KR100581748B1 - Fluid Supply Equipments with the Function of Self-priming and Mixing and the Aerators with using the equipments - Google Patents

Abstract

The present invention relates to a fluid supply device which is provided with a fluid self-suction function and a stirring function, and an aeration device used for aquaculture and wastewater treatment. In particular, the present invention is provided with one device having a self-suction function and a stirring function capable of operating on a fluid such as gas, liquid, and self-suction, mixing and stirring the gas, liquid or fine powder, and supplying a fluid such as a pump and a blower. As the stirring device for mixing and stirring the device and the fluid is integrally formed, the device configuration is simple and the short circuit can be prevented to increase the reaction efficiency and the self-suction function that can be applied to the reaction of 6 kinds of water phase combinations. While providing a fluid supply device with a mixing function,

By supplying and agitating air in the water by using the fluid supply device, dissolved oxygen is increased, there is no secondary pollution such as noise vibration and droplet scattering, and the calorific value of the device is transferred to the reaction solution, and the self-suction function and stirring It is possible to provide an aeration device with a function and an intermittent aeration function.

Fluid transfer device, ejector, aeration device, intermittent aeration

Description

Fluid Supply Equipment with the Function of Self-priming and Mixing and the Aerators with using the equipments}

1 to 7 are cross-sectional views of the first to seventh embodiments of the hollow shaft and the rotor blade constituting the fluid supply device according to the present invention,

8 is a cross-sectional view of various forms of the rotor blade constituting the fluid supply device according to the present invention;

9 to 13 are conceptual views of the first to fifth embodiments of the aeration device using a fluid supply device according to the present invention.

* Description of the symbols for the main parts of the drawings *

1: rotor blade 2: hollow shaft

3: hollow cone plate 4,4a-4e: fluid supply port

5: drive motor 6: drive shaft

7,7a: air supply pipe 8: air supply valve

9,9a: air chamber 11: casing

12: water supply port 13: abandoned water supply port

14,14a: fluid guide means 15,15a: nozzle

16: primary fluid inlet 17: mixed fluid outlet

18: swirl flow prevention plate 19: water intake

The present invention operates in a primary fluid such as a gas or a liquid to inhale and stir a secondary fluid such as a gas or a liquid or a fine powder substance to the inside of the primary fluid and stir to perform a self-suction function and stirring. The present invention relates to a fluid supply device having a function and an underwater aeration device using the same.

The fluid supply device is used in a reaction in which three kinds of combinations of water phases, which operate in a gas-containing reactor, inhale and stir fine particles of gas, liquid or solid, and behave like fluids, react. The combination of water phases operating in a reactor containing liquid to suck and stir gas, liquid, or fine powder is applied to the three types of reactions, so that it can be applied to a total of six types of reaction forms.

Hereinafter, a gas or a liquid that causes a negative pressure to be formed by the operation of the fluid supply device is collectively referred to as a primary fluid, and a gas, a liquid, and a fine powder sucked and supplied by a negative pressure formed by the primary fluid are secondary fluids. Named as.

A reaction type in which a liquid is added to the liquid and stirred may include, for example, an agglomeration reaction, a redox reaction or a neutralization reaction in which a liquid coagulant, a redox agent or an acid alkali is added to the waste water and mixed.

In the reaction mode in which fine powder is added to the liquid and stirred, powder activated carbon and zeolite fine powder are added to the waste water to adsorb organic substances, color causing substances, and NH ₃ , and the powder is dissolved or reacted in the liquid in food production and chemical processes. There are a variety of processes.

In addition, the reaction type for stirring by injecting liquid or fine powder into the gas is a gas washing tower, an exhaust gas desulfurization device, etc. The conventional method is to spray liquid or fine powder on the gas flowing into the reaction tower by the blower Since the gas-liquid contact is not made well, the amount of fluid flowing out in an unreacted state may increase.

The reaction of injecting and stirring a gas into a liquid includes a step of dissolving a gaseous nonmetal oxide such as SO ₂ and NO ₂ in water to produce an inorganic acid.

However, the conventional reactors used for this reaction are complicated and uneconomical in the construction of the device because the reactor and the chemical supply pump are separately installed in the reactor. In particular, in the reaction by slow stirring, the injection of the chemical and the stirring are performed separately, and thus a short circuit may occur in which the unreacted fluid and the chemical flow out.

The most common and most commonly used form of reaction for gas feeding liquids is the aeration system for feeding DO in fish farms, lakes and biological sewage treatment plants and stirring to suspend microbial growth.

However, the conventional abandonment devices have low power efficiency, noise and vibration are generated as described below, and the configuration of the device is complicated and thus uneconomical.

In the conventional method, the surface aeration type aeration device rotates on the surface of the water, so that the reaction liquid is scattered into the atmosphere, and noise is generated, causing secondary pollution. Processing efficiency is lowered.

Conventional aeration type aeration device is composed of a blower, a blower pipe, a diffuser (diffuser), because a building such as a blower is expensive, the facility cost and power costs are uneconomical and complicated maintenance. In particular, the blower generates noise and vibration, and most of the heat generated by the motor and the heat of the air are released into the atmosphere, and thus, the blower does not contribute to the rise in temperature of the reaction tank and is wasted.

There is a problem similar to that of the aeration type aeration device in a combination apparatus of a conventional aeration apparatus and a blower in which the diffuser is replaced with an aquarator. In particular, the conventional method for aquatic apparatus is to pressurize the air through the lower opening of the cylindrical container, the conical container or the cylindrical container installed in the rotor blades themselves, the conical container installed on the lower portion of the three-dimensional rotary blade installed rotary shaft Structure. Since the air flowing out of the cylindrical, conical vessel rotating with the rotor blades is dispersed by a radial jet stream generated by the rotation of the rotor blades, aeration and agitation are performed, so that bubbles are not finely dispersed and a large amount of air is supplied. Abandoned power efficiency is low because it leaks out in the form of air bubbles and rises to the surface immediately.

The conventional air-suction type underwater aeration device does not provide sufficient negative pressure for self-absorption, and thus cannot be used in a reaction vessel having a low air absorption depth and a deep water depth.

Conventional pump ejector aeration device has no droplets scattering, silent operation is quiet, all the heat generated from the motor is transferred to the water body, the water temperature rises, it is advantageous for the microbial culture, intermittent aeration by installation and operation of automatic valve Function can also be secured.

However, the conventional pump ejector generates a flow of water using the pump and transfers it to the ejector through the pipe, so the power loss is large in the pump and the pipe. In addition, unlike agitators that directly stir the reaction solution by a rotor blade during aeration, there is a problem in that the stirring power efficiency is low because the reaction solution is indirectly stirred by the jet stream.

The conventional axial flow type aeration device such as Air-O ₂ has a configuration in which a negative pressure is formed at the end of the hollow shaft by the flow of water generated by the driving of the rotary blade and the axial type rotary blade is installed at the end of the hollow shaft.

Such a axial flow type aeration device is a kind of pump ejector composed of an axial flow pump and a hollow shaft in which the casing is removed, and there is no lifting loss in the piping because the pipe that is transferred from the pump to the ejector is omitted, but around the ejector by the axial flow rotor. Power loss is excessively generated in the process of forming a stream of water.

Accordingly, the present invention has been made to solve the above-mentioned problems, firstly, it operates in primary fluids such as gas and liquid to inhale secondary fluids, and is capable of mixing and stirring primary and secondary fluids. It is equipped with a stirring function and provides a fluid supply device that can be applied to the reaction type of the combination of six kinds of water, but a second fluid supply device such as a pump, a blower and a stirring device for mixing and stirring the first and second fluids integrally It provides a fluid supply device equipped with a self-suction function and a stirring function that can increase the reaction efficiency by the simple device configuration and short-circuit prevention, and secondly supply air to the water by using the fluid supply device It provides aeration device to increase dissolved oxygen by stirring, but there is no secondary pollution such as noise vibration and droplet scattering, and all the calorific value of the device is delivered to the reaction liquid, It is an object of the present invention to provide an aeration device equipped with a semi-function and intermittent aeration function.

In order to achieve the above object, the present invention uses an ejector method having many advantages in the conventional fluid supply apparatus, but moves the ejector itself in the primary fluid, which is a gas or liquid, to the fluid supply port of the ejector. The secondary fluid such as gas, liquid or fine powder is sucked into the fluid supply port by the negative pressure, and the sucked secondary fluid is mixed with the primary fluid by the vortex generated as the ejector moves. It was improved to be stirred.

Hereinafter, in order to help understanding the fluid transfer device according to the present invention, primary and secondary fluids are water and air, respectively, and a configuration and an operation process will be described by exemplifying a pump ejector in which the fluid transfer means is composed of a pump.

In the conventional pump ejector, the water flow, ie, the kinetic energy and the pressure energy, is formed by the pump, and the formed water flow is pumped through the pipe to the ejector. It was ejected to the side, periphery or central portion of the fluid supply port, and the secondary fluid air was sucked by using the negative pressure formed in the air supply port by the jet stream.                         

Therefore, the conventional pump ejector has a high power consumption because a lot of energy loss occurs in the process of forming the water flow in the pump and the pumping through the pipe.

However, in the present invention, the ejector itself is moved in the water without supplying the water flow to the pump. Moving the ejector in a stationary body of water has the same effect as moving the stream of water to the stationary ejector at the same speed as the ejector's moving speed, and is more power than forming and feeding water by separate pumps and piping. Since the losses are reduced, the aeration power efficiency can be improved.

In the case of forming a water flow using a pump and supplying a water flow rate of 10 m / sec to the ejector through a pipe, the motor power efficiency of almost all pumps is 50% or less, so 50% of the power energy supplied from the pump is used. Less than is converted into fluid energy by water flow and more than 50% of the power is wasted, excessive power is consumed because the loss of fluid energy due to head loss occurs in the process of transferring the ejector through the pipe.

On the other hand, in the present invention, it is practically impossible to move the ejector itself in the water, which is the primary fluid, and infinitely linear movement of the ejector in water, so that the ejector is circularly operated at a predetermined circumferential speed by using a rotating shaft provided with a drive unit. .

For example, in order to ensure that the linear velocity of the ejector in circular motion is 10 m / sec, the ejector is connected to a hollow shaft having a diameter of 80 mm connected to a rotating shaft of a driving motor having a rotational speed of 570 rpm with a hollow tube having an arm length of 127 mm and the rotating shaft. Rotating can satisfy the linear velocity of 10m / sec. Thus, moving the ejector itself at the same relative speed of 10 m / sec by circular motion reduces power and provides a simpler configuration than supplying 10 m / sec of water flow to the nozzle of the ejector by using a pump and a pipe.

In order to supply the secondary fluid air to the ejector rotating in water, the secondary fluid supply port must be in communication with the atmosphere or other air supply source, so that the empty space through which the air can communicate by the hollow shaft and the hollow tube This is to be provided.

As such, the secondary fluid may be self-sustained and agitated by the ejector rotating in the primary fluid according to the present invention. The ejector may be configured in the form of a rotor blade provided with an air supply port. Therefore, the fluid supply apparatus according to the present invention is provided with one or more rotary blades provided with a space inside the hollow shaft that is provided with a space therein, which one side is open, the rotor blade is provided with one or more fluid supply port, One open side of the hollow shaft and the fluid supply port is in communication with each other through the space inside the hollow shaft and the rotor blades, one open side of the hollow shaft is in communication with the atmosphere or other secondary fluid source and the other side and the drive shaft of the drive motor It is a connected configuration.

When the rotor blade rotates in the primary fluid by the drive motor, a negative pressure is formed in the fluid supply port so that the secondary fluid is sucked in. The secondary fluid sucked through the hollow shaft and the space inside the rotor blade is passed through the fluid supply port. It is supplied into the vehicle fluid.

In addition, the mixing and stirring of the primary fluid and the secondary fluid by the stirring force generated by the rotation of the rotor blades.

Here, by installing a fluid guide means for increasing the flow rate and the flow rate to the fluid supply port side in the rotary blades, a large flow rate is concentrated by the fluid guide means and accelerated at a high flow rate to the fluid supply port side Therefore, it is possible to increase the suction and air supply capacity of the secondary fluid.

In addition, by installing a fluid transfer means for supplying a secondary fluid, such as a blower, a pump, and forced transfer of the secondary fluid to the open side of the hollow shaft, the secondary fluid to be pumped to the secondary fluid to be absorbed is added to the secondary It is possible to increase the supply capacity of the fluid.

In addition, a plurality of grooves may be dug on the surface of the rotor blade or raised protrusions to form a turbulent layer on the rotor blade surface, thereby improving reaction speed and efficiency.

Hereinafter, embodiments of the fluid supply device and the aeration device according to the present invention by the accompanying drawings will be described in detail.

1 is a cross-sectional view of a hollow shaft and a rotor blade first embodiment for the configuration of a fluid supply device according to the present invention.

One or more hollow shafts (2) open at one or more hollow rotor blades (1) are installed inside, one end of the rotor blades (1) is provided with at least one fluid supply port (4), The interior of the hollow shaft (2) and the fluid supply port (4) is a structure in communication with each other through the space inside the rotor blade (1).

Connect one open side of the hollow shaft (2), the rotor blade (1) is installed so as to communicate with the supply source of the secondary fluid, and one open side or any other side of the hollow shaft and the drive shaft of the drive motor [not shown] When the rotor blade 1 is rotated in the primary fluid, the tip of the rotor blade 1 has a circular motion inside the primary fluid, and the rotor blade 1 has the same velocity as the linear velocity of the tip. Since the effect of ejecting the primary fluid toward the tip is generated, a negative pressure is generated in the fluid supply port 4 provided at the tip of the rotor blade 1 and the secondary fluid is sucked in.

In this way, by rotating the rotary blade (1) in the primary fluid and using a negative pressure generated at the tip thereof, the secondary fluid such as gas or liquid is sucked into the hollow shaft (2) and the space inside the rotary blade (1), Through the fluid supply port 4 can be mixed and stirred by supplying the inside of the primary fluid in which the rotary blade (1) operates, the secondary fluid is sucked by the negative pressure formed in accordance with the movement of the primary fluid The process is the same as the ejector.

When one open side [not shown] of the hollow shaft (2) is in communication with the atmosphere as a secondary fluid supply source, and the rotor blade (1) is installed in a reactor containing water as a secondary fluid and rotated, the fluid supply port ( By the negative pressure generated in 4) the external air is self-priming (Self Priming), it is possible to realize the aeration device in which the self-sustained aeration and agitation is stirred by the rotor blade (1). In addition, even when the air is forced through the open one side of the hollow shaft (2) by using a blower, since the negative pressure generated in the fluid supply port (4) is added, the air supply pressure and power is reduced and the air flow is increased The device can be realized.

Figure 2 is a cross-sectional view of the hollow shaft and the rotor blade second embodiment for the configuration of the fluid supply apparatus according to the present invention.

When an object moves in the fluid, negative pressure is formed on the rear of the object.If the rotor blades rotate in the primary fluid, negative pressure is also generated on the rear of the rotor blade, and this negative pressure wastes power inefficiently in the fluid machinery such as blowers and pumps. Sometimes. In this embodiment, at least one fluid supply port 4a is formed at the rear of the rotor blade 1 so that the secondary fluid can be additionally supplied using the negative pressure generated at the rear of the rotor blade.

When the hollow shaft 2 and the rotor blade 1 rotate in the primary fluid, the fluid supply port 4 provided at the front end of the rotor blade 1 and the fluid supply port 4a provided at the rear of the rotor blade 1 are provided. The secondary fluid can be sucked through. Since the secondary fluid supplied through the fluid supply port 4a cancels the negative pressure generated on the rear surface of the rotor blade 1 by the primary fluid, power consumption due to negative pressure may be reduced.

In this embodiment, the negative pressure generated on the rear surface of the rotary blade 1 can also be used for suction of the secondary fluid, so that the rotary blade can be supplied to the fluid supply through the fluid supply port 4 provided at the tip of the rotary blade 1. (1) Since the secondary fluid supply through the fluid supply port 4a on the rear side is added, the power efficiency is improved.

3 is a cross-sectional view of a hollow shaft and a rotor blade third embodiment for the configuration of a fluid supply device according to the present invention.

In this embodiment, the fluid supply port 4a is provided in the rear surface of the rotor blade 1, and the tip of the rotor blade 1 is sealed.

This embodiment is provided with a fluid supply port 4a at the rear of the rotor blade having a small linear speed and a fluid supply port at the tip of the rotor blade having a large linear speed. It is advantageous to

Since the supply of all the necessary secondary fluids from the fluid supply port 4a provided on the rear of the rotor blade 1 is completed, the rotor blades 1 to the end after the fluid supply port 4a which do not need a space therein are It is possible to construct thinly and lightly mechanically with a single layer board.

Figure 4 is a cross-sectional view of the hollow shaft and the rotor blade fourth embodiment for the configuration of the fluid supply apparatus according to the present invention.

In this embodiment, the rotor blade 1 is mechanically formed in a single plate by installing the rotor blade of the conventional method in which the fluid supply port and the internal space are not provided on the hollow shaft 2 having the fluid supply ports 4b and 4c on the side. It can be advantageously configured and is suitable for the case where the self-sustaining head is small because the linear velocity of the fluid supply ports 4b and 4c is small.

When the secondary fluid is supplied to one side opening of the hollow shaft 2, the secondary fluid flows out through the fluid supply ports 4b and 4c provided on the side of the hollow shaft 2 which rotates at a high speed. One-stage dispersion is achieved, and two-stage dispersion is achieved by colliding with the rotor blade 1 again, thereby improving reaction speed and efficiency.

In addition, by forming a groove or a projection on the front of the rotor blade (1) so that the supplied secondary fluid can be more finely dispersed to form a fine turbulent layer, the reaction speed and efficiency can be improved, the first to second Also in the third embodiment [Figs. 2 to 4], as in this embodiment, when the fluid supply port is formed in the hollow shaft, the secondary fluid supply can be increased. In addition, the fluid supply ports (4b, 4c) may be composed of a fluid supply port (4b) of the form directly perforated on the hollow shaft, or may be composed of a fluid supply port (4c) of the shape of a curved pipe for the self-absorption by connecting elbows. have.

The conventional type underwater bubble device is configured to pressurize air through the lower opening of a cylindrical or conical container installed in a lower part of a cylindrical rotary shaft having two to four rotary blades installed therein or a cylindrical or conical container having a rotary blade installed therein. . As the rotor blade rotates, the air flowing out from the vessel-type diffuser is blown out and dispersed radially by a jet of water, which causes aeration and agitation, so that bubbles are not finely dispersed and a large amount of air is supplied. As it floats in the form of air bubbles, the aeration power efficiency is low.

It is provided with a plurality of fluid supply ports (4b, 4c) on the side of the diffuser in the form of a cylindrical or conical container installed in the lower portion of the vertical rotary shaft of the conventional hydrofoil apparatus or provided with a rotorcraft, and converted to a rotorcraft according to this embodiment. In addition, since air is also supplied from the fluid supply ports 4b and 4c in addition to the air supply by the diffuser, the aeration power efficiency and the aeration capacity can be increased.

5 is a conceptual diagram of a hollow shaft and a rotor blade fifth embodiment for the configuration of a fluid supply device according to the present invention.

A fluid guide means 14 in the form of a viscous tube having a large opening and a small opening at both ends is installed at the tip of the rotor blade 1, and the fluid supply port 4d and the reduced portion of the fluid guide means 14 are provided. The nozzle 15 of an annular ring type is formed between them, and the opening having a large diameter in the fluid guide means 14 is constituted by a primary fluid inlet 16, and the fluid guide means ( The opening having a small diameter in 14) is composed of a mixed fluid outlet 17 through which a fluid mixed with a primary fluid and a secondary fluid flows out.

When the hollow shaft 2 and the rotor blade 1 rotate in the primary fluid, the primary fluid is introduced through the fluid inlet 16 located in front of the fluid guide means 14, and the fluid guide means ( The flow rate of the primary fluid introduced into 14) is increased while passing through the cross-section that is attenuated, and the primary fluid is concentrated to the annular nozzle 15 and ejected at a high speed.

The secondary fluid is sucked from the fluid supply port 4d having a central portion by the negative pressure generated as the primary fluid is ejected from the nozzle 15, and the mixed fluid in which the primary fluid and the secondary fluid are mixed is It is a structure ejected through the mixed fluid outlet 16 of a rear end.

Thus, the fluid guide means 14 can increase the flow rate and flow rate of the primary fluid to the fluid supply port (4d) to increase the secondary fluid suction capacity, the fluid supply port (2) is sucked in the secondary fluid ( This embodiment in which 4d) is located in the center and the nozzle 15 into which the primary fluid is ejected is annularly constructed is identical in structure and operation to a conventional annular ejector.

The rotor blade (1) is composed of a hollow tube, but by forming a streamline like an aircraft wing can reduce the resistance of the primary fluid, the flow direction of the fluid in accordance with the installation angle of the streamlined rotor blade (1) and the rotary shaft (2) And stirring power can be adjusted.

The primary fluid inlet 16 is preferably provided with a swirl flow preventing plate 18 so that efficiency is not lowered by swirl flow.

6 is a conceptual diagram of a hollow shaft and a rotor blade sixth embodiment for the configuration of a fluid supply device according to the present invention.

The fluid guide means 14a is formed by overlapping two axle tubes with a large opening and a small opening, and the primary fluid inlet 16 is sealed between the large opening and the opening at the front and leaving one opening. And a space in which the secondary fluid flows between the two axle tubes, and the small openings of the axle tubes constitute the nozzles 15a through which the primary fluid is ejected, The opening constitutes a mixed fluid outlet 17 through which the mixed fluid mixed with the primary and secondary fluids flows out, and the annular opening formed between the nozzle 15a and the mixed fluid outlet 17 is a secondary fluid. It consists of a fluid supply port (4e) is sucked.

When the hollow shaft 2 and the rotor blade 1 rotate in the primary fluid, the primary fluid is introduced through the primary fluid inlet 16 located in front of the fluid guide means 14, the fluid induction The primary fluid introduced into the water source 14 passes through the cross-section that is attenuated, and the flow velocity is increased, and the primary fluid is concentrated at the central circular nozzle 15a and ejected at a high speed. The secondary fluid is sucked in the annular fluid supply port 4e by the negative pressure generated as the primary fluid is ejected from the nozzle 15a, and the mixed fluid in which the primary and secondary fluids are mixed is mixed at the rear end. It is the structure which is ejected through the fluid outlet 16. FIG.

In this embodiment, the nozzle 15a in which the primary fluid is ejected is located in the center and the fluid supply port 4e in which the secondary fluid is sucked is formed in an annular annular shape. And action is the same.

7 is a conceptual diagram of a seventh embodiment of a hollow shaft and a rotor blade for a fluid supply device according to the present invention.

In this embodiment, the rotor blade 1 is not directly connected to the hollow shaft, and the hollow shaft 2 is directly connected to the hollow disc 3 having a space therein, and the rotor blade 1 is attached to the disc 3. Installed, the open side of the fluid supply port (4) and the hollow shaft (2) is a structure in communication with each other through the space inside the disc (3) and the rotor blade (2).

This embodiment is similar to the rotational difference of the centrifugal pump, so it is suitable for forming a centrifugal fluid flow and operates in the primary fluid to operate the hollow shaft (2), the hollow park plate (3), the rotor blade (2) and the fluid supply port ( The process of mixing and reacting by inhaling the secondary fluid through 4) is similar to other embodiments.

In pumps that transfer water with high specific gravity and viscosity, mechanical problems are caused by erosion and vibration of the rotor and casing due to cavitation, especially in pumps with large suction heads and high rotational speeds. It is becoming.

When a water flow inlet 19 is formed in a combination device of the rotor blade 1 and the disc 3 of the fluid transfer device according to this embodiment and used as a rotation difference of the pump, the water flow introduced through the water flow inlet 19 is The cavitation phenomenon in which a fine air pocket is generated is prevented because the negative pressure generated at the rear of the rotor blade 1 is discharged from the fluid supply port 4a at the rear of the rotor blade 1. When the embodiment is applied to a pump, the hollow shaft 2 is preferably configured as a general shaft.

8 is a cross-sectional view of a rotor blade of various embodiments for the configuration of the fluid supply apparatus according to the present invention.

The rotor blades of this embodiment are hollow rotors, the outer rotor rotors of which are in the form of flat plates commonly used in fluid machines, or whose cross section is composed of circular, elliptical, streamlined pipes (PIPE).

Fig. (A) is a cross-sectional view of a plate-shaped rotary blade whose interior is empty, and the plate-shaped rotary blade can be configured in various forms, such as centrifugal flow type, quadrilateral flow type, and axial flow type.

Figure (B) relates to the rotor blades spaced at regular intervals so as to communicate at least one circular hollow tube in communication with the interior of the hollow shaft, Figure (C) is an embodiment in which the cross section of the rotor blades in a streamlined hollow tube to reduce fluid resistance to be. The rotor blades of Figs. (B) and (C) are suitable as rotor blades mainly for the supply of secondary fluid without requiring a large stirring force.

Fig. (D) is composed of a rotary blade by overlapping a plurality of pipes having a circular cross section so as to be in close contact with each other, and can realize a structurally stable rotary blade using a lightweight member.

Figure (E) is composed of a plate in combination with one or more pipes, the stirring force can be strengthened than the rotor blades of Figure (B) by the plate, the outer portion of the plate is the primary fluid guided to the fluid supply port side It is desirable to bend it as much as possible.

Fig. (F) is a rotary blade formed by installing a circular tube inside a U-shaped cross section to collect the water flow as the rotor blade rotates, concentrating on the opening formed at the end of the circular hollow tube, that is, the fluid supply port, to increase the fluid suction capacity. It is sectional drawing of the Example to make. The shape of the fluid supply port and the plate is preferably configured in a parabolic form to favor concentration of water flow.

In the embodiments of (A) to (F), the rotor blade may be configured in a form that is advantageous to rotate in the primary fluid, such as parabolic, elliptical, and the end portion in the embodiment of (B) to (F) It can be configured in the form of curved pipe such as elbow, so that it is advantageous to form the negative pressure in the fluid supply port when rotating in the primary fluid.

9 is a conceptual diagram of a first embodiment of an aeration device using a fluid supply device according to the present invention.

In this embodiment, the drive shaft 6 of the drive motor 5 is directly connected to the opening side of the hollow shaft 2 on which the rotor blade 1 with the fluid supply port 4 is installed, and the opening of the hollow shaft 2. Air is supplied through a space between the side and the drive shaft 6.

In this embodiment, as the drive shaft 6 and the hollow shaft 2 rotate, the resistance increases at the connecting portion (not shown) connecting the drive shaft 6 and the hollow shaft 2, as shown in the cross-sectional view. When the drive shaft 6 is extended to the lower end of the hollow shaft 2 and connected, there is a problem that the drive shaft 2 is long and the weight is increased.

The space around the drive shaft 6 between the opening side of the hollow shaft 2 and the drive motor 5 is sealed with an air chamber 9, and the air chamber 9 is provided with an air supply valve 8. By interlocking the air supply pipes 7, the intermittent aeration device can be alternately repeated between the aeration and aeration conditions in which the air is supplied and the aeration and aeration conditions in which the air supply is stopped by opening and closing the air supply valve 8. have.

10 is a conceptual diagram of a second embodiment of an aeration device using a fluid supply device according to the present invention.

This embodiment is to solve the problem that the length of the drive shaft is increased or the resistance is increased at the connection portion between the hollow shaft and the drive shaft, as in the embodiment of Figure 9, the drive shaft 6 itself of the drive motor 5 It consists of and is directly connected to the hollow shaft (2) provided with a rotary blade (1).

An air chamber 9, an air supply pipe 7, and an air supply valve 8 may be installed on the driving motor 5 to form an intermittent aeration device.

11 is a conceptual diagram of a third embodiment of an aeration device using a fluid supply device according to the present invention.

In this embodiment, the open side of the hollow shaft (2) is in communication with the atmosphere, and the drive shaft (6) of the drive motor (5) is connected to the closed side of the hollow shaft (2) so that the air suction resistance is configured to be reduced. will be. The drive motor 5 of this embodiment must be composed of a submersible motor, exposing the hollow shaft (2) to communicate with the atmosphere constitutes a self-absorbing aeration device, which is in communication with the atmosphere of the hollow shaft (2) It can be configured as an intermittent aeration device by providing an air chamber 9, an air supply pipe 7, and an air supply valve 8 in the portion.

12 is a conceptual diagram of a fourth embodiment of an aeration device using a fluid supply device according to the present invention.

In this embodiment, the drive shaft 6 of the drive motor 5 is directly connected to the upper part of the hollow shaft 2, and the air chamber 9a is installed on the other open side of the lower part of the hollow shaft 2, The air chamber 9a communicates with the air supply pipe 7a so that air is supplied from the outside to the inside of the hollow shaft through the air supply pipes 7 and 7a and the air chamber 9.

Here, the air supply pipe 7a connecting the lower air chamber 9a and the upper air chamber 9 so as to communicate with each other is provided with a plurality of small-diameter pipes to structurally and stably support the lower air chamber 9a. It is desirable to configure and install firmly.

The plurality of small diameter air supply pipe (7a) is composed of a single large diameter pipe and the connection portion of the air chamber (9a) and large diameter air supply pipe can be installed a detachable device (not shown) to facilitate the lifting and detachment of the device and The construction of the intermittent aeration device by the air supply valve 8 is the same as in the other embodiments.

13 is a conceptual diagram of a fifth embodiment of the aeration device using a fluid supply device according to the present invention.

This embodiment relates to an agitation and aeration device for supplying air to the inside of the hollow shaft (2) having a rotor blade (1) according to the present invention, the rotor blade (1) and the hollow shaft (2) is a water supply 12 and the aeration water supply port 13 is provided inside the casing 11 to induce agitated water flow, the installation depth is installed at a relatively deep depth of 4 ~ 6m, the air supply pipe (7) It is a configuration that can be fed to the blower through the blower or a) by aspirating the air to give up and stirred.

The aeration device of the first to fifth embodiments is provided with a network around it that can smoothly flow the flow of water without colliding with a fluid carrier or the like charged in the reactor, or the flow of water flows in a certain direction. Various types of casings may be provided.

The fluid supply device according to the present invention has a simple device configuration because the stirring means and the chemical supply means are integrated, and the facility and operating costs are economical. It can then be applied to the various types of reactions listed below, and short circuits can be reduced in which fluids and chemicals are leaked unreacted.

-Reactor for supplying and agitating a reactive gas such as O ₃ gas or Cl ₂ gas to the liquid

-Aggregation process, adsorption process, food processing process, chemical reaction process for supplying liquid or fine powder to liquid and stirring

Adsorption reaction process of adsorbing organic matter, color-causing substance, NH ₃ by adding powdered activated carbon or zeolite fine powder to waste water by supplying fine powder to liquid and stirring

-Agglomeration reaction, redox reaction, neutralization reaction, etc., by mixing a liquid coagulant, an oxidation reducing agent, or an acid alkali into the waste water.

-Gas cleaning tower, exhaust gas desulfurization facility, chemical process to supply and mix gas, liquid or fine powder to gas

In particular, the aeration device according to the present invention using the fluid transfer device is provided with an air-suction function and a stirring function, the secondary pollution such as noise and droplet splashing does not occur, and the blower and the blower operation building is omitted, so It can reduce construction cost, easy maintenance, and can easily realize the intermittent aeration method to remove nitrogen and phosphorus, and it has excellent aeration power efficiency.

Claims (10)

One or more rotary blades having a space therein are provided in the hollow shaft having a space provided therein and one side is opened, and the one or more fluid supply ports are formed in the rotary blades, and one open side of the hollow shaft and the The fluid supply port is in communication with each other through the space inside the hollow shaft and the rotor blade, one open side of the hollow shaft is in communication with the supply source of the other fluid or fine powder, and one side of the hollow shaft is connected to the drive shaft of the drive motor, Fluid supply device having a self-suction function and a stirring function, characterized in that the fluid is installed to operate in the reactor filled. The fluid supply apparatus according to claim 1, wherein the rotor blade is provided with a fluid inducing means for increasing the flow rate and the flow rate moving toward the fluid supply port. According to claim 1, wherein the hollow shaft is provided with a hollow disk having a space therein, the rotor blades are installed on the disc, the one side of the hollow shaft and the fluid supply port is the rotor blade and the disc Fluid supply device having a self-suction function and a stirring function, characterized in that configured to communicate with each other through the interior space. The fluid supply apparatus according to claim 1, wherein the rotor blade comprises one or more tubes whose cross sections are formed in a circular or streamlined shape. The fluid supply apparatus according to claim 1, wherein the rotor blade is configured by combining at least one pipe and a plate whose cross section is circular or streamlined. The fluid supply apparatus according to claim 1, wherein the hollow shaft is provided with a fluid supply port. According to claim 1, The rotor blade is installed in the hollow shaft is a fluid supply device having a self-suction function and a stirring function, characterized in that the inside of the rotor is sealed and composed of a single layer. The aeration device is installed and operated in water, and the open side of the hollow shaft is in communication with the atmosphere. The aeration device according to claim 8, wherein an air supply pipe having an automatic valve is installed at one open side of the hollow shaft to form an intermittent aeration device. The method of claim 8, wherein the open one side of the hollow shaft is connected to communicate with the discharge port of the blower for pumping air by the air supply pipe.

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