WO2023184654A1

WO2023184654A1 - Air ring type air blower

Info

Publication number: WO2023184654A1
Application number: PCT/CN2022/092131
Authority: WO
Inventors: 林仙根
Original assignee: 林仙根
Priority date: 2022-03-28
Filing date: 2022-05-11
Publication date: 2023-10-05
Also published as: CN114576179B; CN114576179A

Abstract

An air ring type air blower comprises a pump housing (1), an anti-vibration base (2), an air inlet pipe (3), an air outlet pipe (4), a motor (6), a cooling grate (33) and a cooler (5). The cooling grate (33) consists of multiple grating bars (331). Cavities (332) are embedded in the grating bars (331). Water inlets and water outlets of the cavities (332) are connected to the cooler (5). The cooler (5) pumps cold water into the water inlets, water flows in the cavities (332) and is heated to become hot water, and then the hot water enters the cooler (5) through the water outlets. Repeated cooling circulations performed by the cooler (5) enables water to take away heat on the surface of the grating bars (331) such that the cooling grate (33) reduces the temperature inside a pipe body, thereby preventing rising temperature inside the pump from causing problems that compromise the service life of the fan, such as reduced fan efficiency, dry bearing lubrication and changes in the working state.

Description

A gas ring blower

Technical field

The invention belongs to the technical field of blower manufacturing, specifically a gas ring blower.

Background technique

The gas ring blower is also called a vortex air pump, a high-pressure blower and a side flow blower. It is a ventilation air source with both suction and blowing functions. The gas that passes through is water-free and oil-free, and has low noise, high efficiency and high performance. Characteristics, widely used in water treatment gas explosion, air dust removal or atomization dryer and other fields.

When the existing gas ring blower is started, the motor drives the impeller to rotate in the pump casing through the rotor. Due to the centrifugal force, the air between the impeller blades accelerates in a spiral shape, and the air outside the pump casing is driven into the pump casing. The air duct is sucked into the pump casing, and the sucked air is squeezed into the side groove, and the air will be compressed in the side channel. The temperature of the air will increase during the compression process. Therefore, the higher the wind pressure of the air ring blower, the higher the air pressure. , the greater the heat generated, the temperature inside the pump body will rise, resulting in reduced fan efficiency, dry lubrication of the bearings and changes in working status, thus affecting the service life of the fan;

Therefore, in order to ensure the normal use of the air ring blower, in the existing technology, technicians have also mastered some reasons and solutions for the high temperature of the air ring blower. The details are as follows: 1. The air inlet temperature is too high - Reduce the air inlet temperature; 2. Dry lubrication of the bearings - replace the bearings; 3. Reduced fan efficiency - clear the dust from the blade path or replace the pump head; 4. Change of working status - adjust the working status; 5. Increase of ambient temperature - increase ambient ventilation and heat dissipation ;

When the ambient temperature increases, the solution of increasing ambient ventilation and heat dissipation is effective when the air ring blower is in a closed environment. However, when the ambient temperature is already high, the air The temperature will increase. For example, in hot summer or areas with high temperatures all year round, this solution is no longer applicable. Moreover, when the ambient temperature is already high, the temperature of the air sucked into the intake pipe increases, which will cause the pump to The temperature inside the body will further increase, further affecting the service life of the fan;

Based on this, the present invention designs a gas ring blower to solve the above existing technical problems.

Contents of the invention

In order to make up for the shortcomings, when the existing air ring blower is used in hot summer or in areas with high temperatures all year round, when the ambient temperature is already high, the temperature of the air sucked into the air inlet pipe increases, which will increase the temperature inside the pump body. It will further increase, thereby further affecting the service life of the fan. The present invention proposes a gas ring blower.

The technical solution adopted by the present invention to solve the technical problem is: a gas ring blower according to the present invention. The blower includes a pump casing, an anti-seismic base, an air inlet duct, an air outlet duct and a motor. The bottom of the pump casing and The bottom of the anti-seismic base is threaded, and the air inlet duct and the air outlet duct are installed on the upper surface of the anti-seismic base and are threadedly connected to the bottom side of the pump housing. The air inlet duct includes:

Pipe body, the pipe body is threadedly connected to the bottom side of the pump housing through a flange;

A circular ring, the circular ring is located in the middle of the pipe body and is fixedly connected to the inner wall of the pipe;

A cooling grille whose sides are fixed inside the ring to reduce the air temperature inside the tube body;

A controller that controls the internal operation of the blower.

Preferably, the cooling grille is composed of a plurality of grille bars. There are cavities inside the grille bars, and the cavities inside the grille bars are connected with each other, and the end of the cavity is connected to the external cooling system. device is connected.

Preferably, extension pieces are fixedly connected to the connecting points of the grating strips.

Preferably, a circular hole is provided on the surface of the extension piece.

Preferably, the side of the grille bars close to the air inlet is set in a streamline shape.

Preferably, the cross-sectional shape of the end of the extension piece close to the air inlet is tapered.

Preferably, the extension piece, ring, grating strip and ring are all made of copper material.

Preferably, a connecting block is fixed on the outside of the circular ring, the connecting blocks are distributed circumferentially around the center of the circular ring, and the circular ring and the inner wall of the tube are fixedly connected through the connecting block.

Preferably, the connecting block is made of chromium material.

Preferably, the outer ring of the grille bars is evenly provided with grooves, and the grooves do not penetrate the internal cavity of the grille bars.

The beneficial effects of the present invention are as follows:

1. A gas ring blower according to the present invention is provided with a cooling grille, a cavity and a cooler. The cooling grille is composed of a plurality of grille bars, and a cavity is provided inside the grille bar. Both the water inlet and the water outlet are connected to the cooler, and the water circulates back and forth through the cooler to take away the heat on the surface of the grille strips, so that the cooling grille reduces the temperature inside the tube body.

2. An air ring type blower according to the present invention, by arranging the extension piece and the grille strips, when part of the air heat comes into contact with the surface of the extension piece, the heat will move along the extension piece to the surface of the grille strips, and the grille will There is a cavity inside the grille, and then the heat is absorbed by the water in the cavity and moves to the outside of the pipe body with the flow of water, thereby increasing the range of the grille strips for cooling the air in the pipe body through the extension piece.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Figure 1 is a perspective view of the air ring blower in the present invention;

Figure 2 is a perspective view of the interior of the air inlet duct of the present invention;

Figure 3 is a cross-sectional view of the interior of the ring in Figure 2;

Figure 4 is a cross-sectional view of the structure of the grille bars in Figure 2;

In the picture: 1. Pump casing; 2. Anti-seismic base; 3. Air inlet pipe; 31. Pipe body; 32. Ring; 321. Connecting block; 33. Cooling grille; 331. Grille bars; 332. Cavity ; 333. Extension piece; 334. Round hole; 335. Groove; 4. Air outlet duct; 5. Cooler; 6. Motor.

Detailed ways

In order to make the purpose, technical means and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

By providing an air ring blower, the embodiment of the present invention solves the problem that when the existing air ring blower is used in hot summer or in areas with high temperatures all year round, when the ambient temperature is already high, the temperature of the air sucked into the air inlet pipe increases. Increase will further increase the temperature inside the pump body, further affecting the service life of the fan;

The technical solutions in the embodiments of the present invention are to solve the above technical problems. The general idea is as follows:

By providing the cooling grille 33, when the air moves inside the tube body 31, the air will come into contact with the surface of the cooling grille 33, causing the cooling grille 33 to absorb the heat in the air, because the cooling grille 33 is composed of multiple cells. It consists of grating 331, and a cavity 332 is provided inside the grating 331. When the controller controls the startup of the cooler 5, the cooler 5 pumps cold water into the cavity 332 through the water inlet. As the cold water flows in the cavity 332 The cold water flows inside, causing the cold water to absorb the heat on the surface of the grill bars 331. The heat will heat up the cold water to form hotter water, and the hotter water enters the inside of the cooler 5 through the water outlet, and the cooler 5 performs the heating on the hotter water. Cool down and pump it into the water inlet again. This cycle makes the cold water take away the heat on the surface of the grille bar 331, so that even if the application is used in a place with a high external ambient temperature, the application can pass the air inlet provided on the blower. Pipe 3, when the outside air enters the inside of the blower through the air inlet pipe 3, the air inlet pipe 3 cools down the air entering from the outside, thereby solving to a certain extent the problem of high temperature inside the pump body due to the high temperature when the air inlet pipe 3 enters the air. The temperature rises, which in turn leads to reduced fan efficiency, dry lubrication of the bearings and changes in working status, thus affecting the service life of the blower;

In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation modes.

As shown in Figures 1 to 4, a gas ring blower according to the present invention includes a pump housing 1, an anti-seismic base 2, an air inlet pipe 3, an air outlet pipe 4 and a motor 6. The pump housing 1 The bottom is threadedly connected to the bottom of the anti-seismic base 2, and the air inlet pipe 3 and the air outlet pipe 4 are installed on the upper surface of the anti-seismic base 2 and are threadedly connected to the bottom side of the pump housing 1. The air inlet pipe 3 3 includes:

Pipe body 31, the pipe body 31 is threadedly connected to the bottom side of the pump housing 1 through a flange;

Ring 32, the ring 32 is located in the middle of the tube body 31 and is fixedly connected to the inner wall of the tube body 31;

Cooling grille 33, the sides of the cooling grille 33 are fixed inside the ring 32 to reduce the air temperature inside the tube body 31;

A controller for controlling the internal operation of the blower;

As an embodiment of the present invention, as shown in Figures 2 to 4, the cooling grille 33 is composed of a plurality of grille bars 331, and a cavity 332 is provided inside the grille bars 331. The cavities 332 inside the grid 331 are connected to each other, and the end of the cavity 332 is connected to the external cooler 5;

When the existing air ring blower is started, the controller controls the motor 6 to drive the impeller to rotate in the pump casing 1 through the rotor, so that the air between the impeller blades accelerates and rotates in a spiral shape, and the pump casing 1 The air outside is sucked into the pump casing 1 through the tube body 31, and the inhaled air is squeezed into the side groove. The air will be compressed in the side channel, and the air will dissipate heat during the compression process, and the heat dissipated will make the tube The temperature inside the body 31 rises; in the prior art, the inside of the blower is ventilated and cooled by increasing ambient ventilation and heat dissipation to solve the problem of high ambient temperature inside the blower; but when the external ambient temperature is already high, such as In hot summer or areas with high temperatures all year round, the temperature of the outside air entering the blower itself is relatively high. Even after the outside air enters the inside of the blower, the temperature will still rise, making this solution no longer applicable;

In the present invention, by providing the cooling grille 33, the ring 32 is fixedly connected to the inner wall of the tube body 31. Since the edge of the cooling grille 33 is fixedly connected to the inside of the ring 32, when the air moves inside the tube body 31, the air It will be in contact with the surface of the cooling grille 33, so that the cooling grille 33 can absorb the heat in the air, because the cooling grille 33 is composed of a plurality of grille bars 331, and a cavity 332 is provided inside the grille bars 331, located at The end of the cavity 332 on the upper part of the pipe body 31 is a water inlet, and the end of the cavity 332 located on the side of the pipe body 31 is a water outlet. Both the water inlet and the water outlet are connected to the cooler 5. When the controller controls the cooling When the cooler 5 is started, the cooler 5 pumps cold water into the cavity 332 through the water inlet. As the cold water flows in the cavity 332, the cold water absorbs the heat on the surface of the grill bars 331. The heat will heat up the cold water to form a hotter water. of water, and the hotter water will enter the inside of the cooler 5 through the water outlet. The cooler 5 will cool down the hotter water and pump it into the water inlet again. This cycle will cause the cold water to be taken away from the surface of the grille bar 331. Therefore, the water in the cavity 332 indirectly contacts the air through the cooling grille 33 , so that the cooling grille 33 lowers the temperature in the air, thereby lowering the temperature in the tube body 31 .

In the present invention, the cooling grille 33 is provided in the tube body 31 and the cold water circulates and reciprocates in the cavity 332 to reduce the temperature inside the tube body 31, so that even if the blower is used in hot summer or the temperature is high all year round, In areas where the blower is in the process of ventilation and heat dissipation, when the air with a higher outside temperature enters the inside of the blower through the air inlet duct 3, the air inlet duct 3 cools the air with a higher outside temperature, so that the air entering through the air inlet duct 3 The temperature of the outside air inside the blower is reduced, thereby preventing the temperature inside the pump body from rising, resulting in reduced fan efficiency, dry lubrication of the bearings, and changes in working conditions, thereby affecting the service life of the fan.

As an embodiment of the present invention, as shown in Figure 2 and Figure 4, an extension piece 333 is fixedly connected to the connection between the grille bars 331;

As an embodiment of the present invention, as shown in Figure 2 and Figure 4, a circular hole 334 is provided on the surface of the extension piece 333;

During operation, when the cooling grille 33 is located inside the tube body 31, with the flow of water in the cavity 332, the cold water takes away the heat on the surface of the grille bars 331, thereby cooling the temperature inside the tube body 31. The extending piece 333 is fixedly connected to the surface of the grating 331, and the cavity 332 is opened inside the grating 331, and the grating 331 is in contact with the extending piece 333, so that the temperature of the cold water in the cavity 332 will move along the grating 331. The surface diffuses to the extension piece 333. When part of the air heat comes into contact with the surface of the extension piece 333, the heat will move along the extension piece 333 to the surface of the grille bar 331, and then the heat will be absorbed by the water in the cavity 332 and along with the water. The flow moves to the outside of the tube body 31, and then increases the range of the grille bars 331 to cool the air in the tube body 31 through the extension piece 333; at the same time, because the round hole 334 is provided on the surface of the extension piece 333, the surface of the extension piece 333 is in contact with the round hole. The inner walls of 334 are all in contact with the air, so the arrangement of the circular holes 334 increases the contact area between the extension piece 333 and the air in the tube body 31;

Compared with the prior art method of cooling through ventilation and heat dissipation, the present invention allows the outside air to enter the inside of the blower through the air inlet duct 3. The air with higher external temperature in the air inlet pipe 3 is cooled down, so that the temperature of the external air entering the inside of the blower becomes lower, so that the invention can be used in hot summer or areas with high temperatures all year round; the temperature inside the pump body will rise. , leading to reduced fan efficiency, dry bearing lubrication and changes in working status, thereby reducing the probability of problems affecting the service life of the blower.

As an embodiment of the present invention, as shown in Figure 4, the shape of the grille bars 331 is set in a streamline shape on the side close to the air inlet;

As an embodiment of the present invention, as shown in Figure 4, the cross-sectional shape of the end of the extension piece 333 close to the air inlet is set to be tapered;

During operation, when the air flows inside the tube body 31, the air will first contact the end of the extension piece 333. Since the cross-sectional shape of the end of the extension piece 333 is tapered, the tapered end causes the air to split, and the flow splits. The air behind moves along the inclined surface of the tapered end to the surface of the extension piece 333, thereby reducing the area of contact between the end and the air and reducing the resistance of the end to the flowing air; at the same time, when the air contacts the surface of the grille bar 331 When the grille bar 331 is close to the air inlet pipe 3, the side of the grille bar 331 is set to be streamlined, thereby increasing the smoothness of the air sliding on the surface of the grille bar 331 and reducing the resistance of the grille bar 331 surface to the air. , thereby reducing the impact of parts such as the ring 32 and the cooling grille 33 in the tube body 31 on the efficiency of air entering the pump housing;

In the present invention, the shape of the grille bars 331 is streamlined on the side close to the air inlet, and the cross-sectional shape of the end of the extension piece 333 close to the air inlet is set to a tapered shape, thereby reducing the number of ends of the extension piece 333 and the grille strips 331 The area of the surface in contact with the air reduces the resistance of the extension piece 333 and the grille bar 331 to the flowing air, further enhancing the cooling efficiency of the air inlet duct 3 on the outside air.

As an embodiment of the present invention, as shown in Figure 2, the extension piece 333, the ring 32, the grille bar 331 and the ring 32 are all made of copper material;

During operation, when the cooling grille 33 cools down the air inside the tube body 31, the grille bars 331, the extension pieces 333 and the ring 32 are made of copper material. Since the copper material has excellent thermal conductivity, Therefore, the heat on the extension piece 333 can be quickly transferred to the grille bars 331, and then the heat on the grille bars 331 can be quickly transferred to the water flow in the cavity 332. Since the cold water inside the cavity 332 is in a flowing state, The temperature of the grille bars 331 can be transferred to the water flow flowing inside the cavity 332, so that the heat on the grille bars 331 and the extension piece 333 can be quickly taken away by the water flow flowing inside the cavity 332, thereby increasing the internal temperature of the blower. The efficiency of heat dissipation;

In the present invention, the extension piece 333, the annular ring 32, the grid strips 331 and the annular ring 32 are all made of copper material. Since the copper material has excellent thermal conductivity, the temperature of the grating strips 331 and the extension piece 333 is accelerated. The water flow in the cavity 332 is carried away, thereby speeding up the efficiency of the air inlet pipe 3 in cooling the outside air, thus preventing the temperature inside the blower from rising.

As an embodiment of the present invention, as shown in Figure 2 and Figure 3, a connecting block 321 is fixed on the outside of the ring 32, and the connecting blocks 321 are distributed circumferentially around the center of the ring 32. , and the ring 32 and the inner wall of the tube body 31 are fixedly connected through the connecting block 321;

During operation, through the arrangement of the connecting block 321, there is a gap between the outside of the ring 32 and the inner wall of the tube body 31, thereby increasing the contact area between the ring 32 and the air. In the invention, the ring 32 is made of copper, and the copper material has good thermal conductivity. High, thereby improving the heat absorption effect of the ring 32 in the air, and then the heat is taken away through the water in the cavity 332, further reducing the heat of the air in the air intake pipe 3.

As an embodiment of the present invention, as shown in Figure 2 and Figure 3, the connecting block 321 is made of chromium material;

During operation, in the grille bars 331 , the cold water in the cavity 332 absorbs heat to form hotter water, and during the flow of the hotter water, the heat emitted by the hotter water may be diffused on the surface of the ring 32 , and the outer side of the ring 32 is connected to the inner wall of the pipe body 31 through the connecting block 321. Therefore, the connecting block 321 is made of a material with poor thermal conductivity, such as chromium material, to reduce the heat on the surface of the ring 32 from diffusing to the inner wall of the pipe body 31 through the connecting block 321. on, causing the temperature of the inner wall of the pipe body 31 to rise.

As an embodiment of the present invention, as shown in Figure 3 and Figure 4, grooves 335 are evenly formed on the outer ring of the grille bar 331, and the grooves 335 are not connected with the internal cavity of the grille bar 331. penetrate; penetrate

During operation, by providing grooves 335 inside the grille bars 331, when the outside world is in a hot and high temperature area, when the outside air enters the inside of the tube body 31 through the ring 32, the outside air interacts with the grille bars 331 located inside the ring. When the grooves 335 are provided on the grille bars 331, the contact area between the outer ring of the grille bars 331 and the outside air increases, so that the grille bars 331 have a cooling effect on the air that enters the tube body 2 through the ring 32. Improve; and when the grooves 335 are provided on the surface of the grille bars 331, the wall thickness between the area where the grooves 335 are partially formed on the grille bars 331 and the cavity 332 becomes thinner, thereby causing the grille bars 331 to carry the external air After absorbing the heat, the heat can be transferred to the water flow flowing in the cavity 332 more quickly, thereby improving the cooling efficiency of the air inside the air inlet duct 3 by the grille bars 331.

The specific workflow is as follows:

When working, plug in the power and start the air ring blower switch, so that the controller controls the motor 6 to drive the impeller to rotate in the pump casing 1 through the rotor. Under the action of centrifugal force, the air between the impeller blades is accelerated in a spiral shape. Rotate, and suck the air outside the pump housing 1 into the pump housing 1 through the tube body 31; when the air flows inside the tube body 31, the air will contact the surface of the cooling grille 33, and the controller controls the start of the cooler 5 , the cooling grille 33 is composed of a plurality of grille bars 331, and a cavity 332 is provided inside the grille bar 331. The end of the cavity 332 located at the upper part of the pipe body 31 is a water inlet, and the cavity 332 located at the side of the pipe body 31 The end of the cavity 332 is a water outlet, and both the water inlet and the water outlet are connected to the cooler 5. The cooler 5 pumps cold water into the cavity 332 through the water inlet. As the cold water flows in the cavity 332, the cold water absorbs the cells. The heat on the surface of the grate 331 will heat up the cold water to form hotter water, and the hotter water will enter the inside of the cooler 5 through the water outlet. The cooler 5 will cool down the hotter water and pump it into the inlet again. At the nozzle, such a reciprocating cycle causes the cold water to take away the heat on the surface of the grille bars 331, thereby causing the cooling grille 33 to lower the temperature in the air, thereby lowering the temperature inside the tube body 31.

The above-mentioned front, back, left, right, up and down are based on the observation angle of the person. The side of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in Figure 1. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying. The devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

A gas ring blower, which includes a pump casing (1), an anti-seismic base (2), an air inlet pipe (3), an air outlet pipe (4) and a motor (6). The bottom of the pump casing (1) is connected to The bottom of the anti-seismic base (2) is threaded, and the air inlet pipe (3) and the air outlet pipe (4) are installed on the upper surface of the anti-seismic base (2) and are connected to the bottom side of the pump housing (1) Threaded connection, characterized in that the air inlet pipe (3) includes:

Pipe body (31), the pipe body (31) is threadedly connected to the bottom side of the pump housing (1) through a flange;

Ring (32), the ring (32) is located in the middle of the tube body (31) and is fixedly connected to the inner wall of the tube body (31);

Cooling grille (33), the sides of the cooling grille (33) are fixed inside the ring (32) to reduce the air temperature inside the tube body (31);

A controller that controls the internal operation of the blower.
An air ring blower according to claim 1, characterized in that: the cooling grille (33) is composed of a plurality of grille bars (331), and a cavity is provided inside the grille bar (331). (332), and the cavities (332) inside the grill bars (331) are connected to each other, and the end of the cavity (332) is connected to the external cooler (5).
An air ring blower according to claim 2, characterized in that: extension pieces (333) are fixedly connected to the joints of the grille bars (331).
An air ring blower according to claim 3, characterized in that: a circular hole (334) is provided on the surface of the extension piece (333).
An air ring blower according to claim 3, characterized in that the shape of the grille bars (331) is set in a streamline shape on the side close to the air inlet.
An air ring blower according to claim 5, characterized in that the cross-sectional shape of the end of the extension piece (333) close to the air inlet is tapered.
An air ring blower according to claim 6, characterized in that: the extension piece (333), the ring (32), the grille strip (331) and the ring (32) are all made of copper. .
An air ring blower according to claim 1, characterized in that: a connecting block (321) is fixedly connected to the outside of the circular ring (32), and the connecting block (321) surrounds the circular ring (32). ) are distributed circumferentially in the center, and the ring (32) and the inner wall of the tube body (31) are fixedly connected through the connecting block (321).
An air ring blower according to claim 8, characterized in that: the connecting block (321) is made of chromium material.
An air ring blower according to claim 2, characterized in that: the outer ring of the grille bars (331) is evenly provided with grooves (335), and the grooves (335) are not in contact with the grille bars (331). 331) The internal cavity is connected.