CN213663179U

CN213663179U - High-efficiency water-gas mixing device

Info

Publication number: CN213663179U
Application number: CN202021751875.2U
Authority: CN
Inventors: 李卓颖; 林水木; 李森墉
Original assignee: Huancheng Technology Co ltd
Current assignee: Huancheng Technology Co ltd
Priority date: 2019-08-28
Filing date: 2020-08-20
Publication date: 2021-07-13
Anticipated expiration: 2030-08-20
Also published as: TWI768236B; TW202108234A

Abstract

The utility model discloses a high efficiency aqueous vapor mixing arrangement, including the pumping, it is the bilayer formula to have a scroll casing, this scroll casing inside is equipped with a double-deck impeller, and the inside upper strata of scroll casing forms an air-blower, lower floor and forms a water pump, has an isolation carousel that can lead air and rivers to flow between two-layer, and the downside is adorned respectively on isolation carousel to the blade of air-blower and water pump. The upper layer and the lower layer of the pump are both provided with a flow guide design of a scroll shell and are both connected and provided with a text pipe; the front section of the venturi tube is respectively connected with a fan to push air and water flow pushed by a water pump, and the blades of the water pump rotate to push the water flow to be guided to an outlet through a volute casing of the water pump. The utility model discloses utensil power saving and good water, gas mixing effect, because of making water, the gas that oxygen content is high promote under the surface of water, gas pressure must be greater than water pressure gas generally and just can deliver to this degree of depth, in other words just need great air-blower power consumptive. The venturi tube provides suction to compensate the deficiency of the air pressure of the small fan, so that electricity can be saved and the effect of water-air mixing is achieved.

Description

High-efficiency water-gas mixing device

Technical Field

The utility model relates to a water and gas mixing arrangement especially relates to a high efficiency water and gas mixing arrangement.

Background

In aquaculture industry, environmental protection industrial wastewater treatment plants and some chemical plants, some places need to achieve good mixing reaction of gas and liquid; therefore, a gas-liquid mixer is initiated.

Firstly, in the water wheel commonly used in aquaculture industry, a motor is mainly used for driving blades on the water surface, the blades can splash water into the air and thin the water after rotating, and when the splashed water falls back to the water pool, water drops are contacted with the air, so that oxygen in the air is absorbed, the function of aeration is achieved, and the water wheel is used for breathing raised fish.

Another device is an air-entraining reaction tank with a traction sleeve as shown in taiwan patent No. 316496, in which two sets of blades are installed, and when the blades are rotated by a motor, the blades not only make the bubbles fine, but also generate a swirling flow, so as to increase the fineness of the bubbles and increase the reaction time between the gas and the liquid.

The pump has two layers, the upper layer is water pump and the lower layer is air pump, and the motor drives the impeller to push the water and air from the cavity via its rotating centrifugal force to generate water flow to activate water in the pond.

As can be seen from the above, the conventional inflator has the following disadvantages:

firstly, the waterwheel in the aquaculture industry has the following defects:

1. only the water in the shallow water region is absorbed into the oxygen in the air;

2. the waterwheel can turn over when encountering typhoon;

3. the efficiency is low;

4. the structural device is complex and is easy to break down; the speed reducer needs a power motor, a speed reducer with a large speed reduction ratio and a plurality of groups of blade devices, and the service life of the general speed reducer is short (about 3 months service life).

Secondly, although the reaction tank type device has good efficiency, the reaction tank type device also has the following defects:

1. the apparatus is complicated and expensive. It not only needs a trough body, two groups of blades, a power motor and a speed reducer, but also needs an air pump;

2. relatively consume the electric energy;

3. only the liquid in the tank is allowed to react with the gas.

Thirdly, the pool water aeration and oxygenation device can effectively mix water and air, but the following defects exist:

1. when the water is sucked in by the pump, the water flow above the water inlet of the pump generates a vortex flow, and when the vortex flow exists, the water level at the middle inlet of the pump is concave, especially when the rotating speed is high and the flow rate is large. This depression of the inlet level reduces the pressure of the pump inlet water flow and thus reduces the efficiency of the pump.

2. The air inlet of the pump is arranged below the pump, the upper layer and the lower layer are also lack of effective isolation, and the air of the lower layer naturally enters the water pump of the upper layer based on the principle of buoyancy. Because the air and the water enter the water pump at the same time, the efficiency of the water pump is greatly reduced, the distance of water flow spraying is greatly reduced, and the range of aeration and oxygenation is reduced.

3. When the device is directly used in a seawater farm, since seawater is corrosive, moisture easily invades a motor bearing when the motor is operated, thereby causing a reduction in the service life of the motor.

In addition, the prior art provides a dual-layer high-efficiency water/gas mixing device similar to taiwan patent publication No. 595316 and a high-efficiency water/gas mixing device similar to taiwan patent publication No. 595315, which do not have the venturi water/gas mixing design, so that the water/gas mixing efficiency is insufficient; moreover, 595316 employs a double-layer impeller with a separation platform to prevent air from mixing into the water pump, the double-layer impeller is designed in a planar manner, the separation design will not mix the water and the air finely, and the venturi is not provided, so the efficiency of water and air mixing is still greatly limited, which is not in line with the current requirement.

In view of the above, we have made intensive studies on the mixing of water and gas, and have developed and improved a novel water-gas mixing device to solve the above problems, and have made the present invention through various experiments and modifications.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve aforementioned problem, for reaching aforementioned mesh, the utility model provides a high efficiency aqueous vapor mixing arrangement, it includes a pumping, and it is a bilayer formula to have a volute, this volute is inside to be equipped with a double-deck impeller, and the inside upper strata of volute forms an air-blower, lower floor and forms a water pump, has an isolation carousel that can guide air and rivers to flow between two-layer, and the downside is adorned respectively on isolation carousel to the blade of air-blower and water pump. The upper layer and the lower layer of the pump are both provided with a flow guide design of a scroll shell and are both connected and provided with a text pipe; the front section of the venturi tube is respectively connected with a fan to push air and water flow pushed by a water pump, the blades of the water pump rotate to push the water flow to be guided to an outlet through a volute of the water pump, the water flow is fast in speed, suction is generated at the inner contraction position of the venturi tube to attract air flow at the outlet of an air blower, water pushed by the water pump and air pushed by the fan enter the rear section of the venturi tube together to be mixed to generate a good water-gas mixing effect, and the jet flow of the water drives mixed water gas to flow forwards under the water surface.

The utility model discloses utensil power saving and good water, gas mixing effect, because of making water, the gas that oxygen content is high promote under the surface of water, gas pressure must be greater than water pressure gas generally speaking and can send to this degree of depth in other words just need great air-blower power consumptive. The venturi tube provides suction to compensate the deficiency of the air pressure of the small fan, so that electricity can be saved and the effect of water-air mixing is achieved.

According to the high-efficiency water-gas mixing device, the upper surface and the lower surface of the isolation turntable are provided with the inclined planes, so that water flow and air can be guided more easily, and the output pump can be more smooth; the blade is a fan fin above the isolation turntable, a water pump fin below the isolation turntable, and the isolation turntable is also provided with at least one hole which penetrates through the isolation turntable from top to bottom, and the holes are gradually enlarged from top to bottom, so that part of water flow of the water pump can enter the air blower through the holes, the water flow can be atomized in the air blower, and the mixed gas after water and air are mixed is more delicate; the fan wing panel and the water pump wing panel are arranged at the non-inclined plane of the isolation turntable.

According to the high-efficiency water-gas mixing device, the fan wing is arranged at the position close to the outer edge above the isolation turntable, and the water pump wing is arranged at the position close to the center below the isolation turntable, so that the rotation radius of the fan wing is larger, and the rotation radius of the water pump wing is smaller, so that water flow can be pressurized by air in the gas-liquid mixing pipe, and the uniform water-gas mixing in the gas-liquid mixing pipe is facilitated and then sprayed out.

According to the above-mentioned high efficiency water-gas mixing device, the gas-liquid mixing pipe has a mixing flow channel, the mixing flow channel is further provided with a separating plate at the front section of the gas-liquid mixing pipe to form an upper venturi and a lower venturi, the venturi comprises the upper venturi and the lower venturi, and the mixing flow channel is tapered at the rear section of the gas-liquid mixing pipe to form the inner contraction part; the upper venturi is communicated with the blower, the lower venturi is communicated with the water pump, the upper venturi and the lower venturi are arranged in a gradually reducing mode relative to one end of the pump, and the tail end of the rear section of the gas-liquid mixing pipe is provided with the output port.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

Fig. 3 is a schematic top view of the double-layer impeller of the present invention.

Fig. 4 is a schematic bottom view of the double-layer impeller of the present invention.

FIG. 5 is a cross-sectional view of the device shown in FIG. 1 at position A-A and showing the operation state thereof.

FIG. 6 is a cross-sectional view at a position B-B of FIG. 1.

Wherein: 1. the device comprises a pump 11, a scroll casing, 12, a double-layer impeller 121, an isolation rotary disc 122, blades 1221, a fan fin 1222, a water pump fin 123, an inclined plane 124, a hole 13, a blower 14, a water pump 15, an air inlet pipe 16, a rotating shaft 17, a water inlet 2, a gas-liquid mixing pipe 21, an inner contraction part 22, an output port 23, a mixing flow channel 24, a partition plate 25, an upper venturi tube 26, a lower venturi tube 3 and a water pool.

Detailed Description

In view of the technical solutions of the present invention, the following detailed description will be given with reference to the accompanying drawings, so as to provide further understanding and identify the present invention.

Referring first to fig. 1 to 4, the present invention provides a high efficiency water-gas mixing device, which comprises: a pump 1, which adopts a double-layer design and is provided with a scroll casing 11, a double-layer impeller 12 is arranged in the scroll casing 11, an air blower 13 is formed at the upper layer in the scroll casing 11, a water pump 14 is formed at the lower layer, an isolation turntable 121 capable of guiding air and water to flow is arranged between the upper layer and the lower layer of the double-layer impeller 12, the air blower 13 and the water pump 14 are respectively provided with a plurality of blades 122 and are respectively and correspondingly arranged at the upper side and the lower side of the isolation turntable 121; the upper and lower layers of the pump 1 are provided with the volute 11 to have the flow guiding function, the upper layer of the pump 1 is provided with an upper-level pipe 25, the lower layer is provided with a lower-level pipe 26, the volute 11 is provided with a gas-liquid mixing pipe 2 at one side of the periphery, the gas-liquid mixing pipe 2 comprises the upper-level pipe 25 and the lower-level pipe 26, and air and water are respectively guided to the gas-liquid mixing pipe 2 through the volute; the front section of the gas-liquid mixing pipe 2 receives air pushed by the blower 13 and water flow pushed by the water pump 14, the rear section of the gas-liquid mixing pipe 2 is provided with an inward contraction part 21, and the tail end of the gas-liquid mixing pipe forms an output port 22, the blades 122 of the water pump 14 rotate to push the water flow to be guided to the rear section of the gas-liquid mixing pipe 2 through the volute 11, the flow speed is fast, the inward contraction part 21 is arranged to generate suction force, so that air flow of the blower 13 is sucked, the water flow pushed by the water pump 14 and the air pushed by the blower 13 enter the rear section of the gas-liquid mixing pipe 2 together, good water and gas mixing effect is generated through mixing, and the jet flow of the water drives mixed water gas to flow forwards under the water surface.

In one embodiment, in order to make the water flow and air easier to be guided and the output pump 1 smoother, as shown in fig. 3 and 4, the upper and lower surfaces of the isolation turntable 121 have inclined planes 123, wherein the blades 122 are fan blades 1221 above the isolation turntable 121 and water pump blades 1222 below the isolation turntable 121; in order to facilitate the formation of the fan blades 1221 and the water pump blades 1222 and effectively achieve the purpose of drawing air and water, in one embodiment, the fan blades 1221 and the water pump blades 1222 are disposed at the non-inclined surface 123 of the isolation turntable 121.

In another preferred embodiment, as shown in fig. 3 to 5, the isolation turntable is further provided with at least one hole 124 penetrating up and down, which may be one or more, and the holes 124 are arranged to be gradually enlarged from top to bottom, so that part of the water flow of the water pump 14 can enter the blower 13 through the hole 124, and the water flow can be atomized in the blower 13, so that the mixed gas after water and air are mixed is finer; in another embodiment, since the water flow must be pressurized to effectively output the jet, in order to increase the pressurization of the blower 13 to the water flow, it is preferable to dispose the fan blades 1221 near the outer edge above the isolation turntable, and the water pump 14 is mainly aimed at drawing the water flow in the water tank 3 and controlling the flow rate of the water flow pressurized by the blower 13, so that the water pump blades 1222 are disposed near the center below the isolation turntable.

Therefore, as shown in fig. 5, the present invention can be installed in a water tank 3 by means of a frame or a floating body (not shown), and it can be known that an air inlet pipe 15 can be installed above the pump 1, and the air inlet pipe 15 is located above the water surface of the water tank 3, so that the air blower 13 can draw the external air through the air inlet pipe 15; as for the operation of the blower 13 and the water pump 14, as shown in fig. 5, a motor (not shown) is provided to drive a rotating shaft 16, the rotating shaft 16 is connected to and drives the dual-layer impeller 12 to rotate, so that the air is rotated by the fan blades 1221 and enters the blower 13 through the air inlet pipe 15, the pump 1 is provided with a water inlet 17 below the water pump 14, the water flow is rotated by the water pump blades 1222 and enters the water pump 14 through the water inlet 17, when the water flow enters the water pump 14, a part of the trace water can enter the blower 13 through the holes 124 to be atomized, and the air of the blower 13 and the water flow of the water pump 14 are matched with the scroll design of the scroll casing 11 to increase the flow rate and are guided into the gas-liquid mixing pipe 2 to be output as described above.

In order to improve the efficiency of gas-liquid mixing, in a preferred embodiment, as shown in fig. 6, the gas-liquid mixing pipe 2 has a mixing channel 23, the mixing channel 23 is configured like a venturi, so that a separating plate 24 is further disposed at one end of the mixing channel 23 connected to the pump 1 to form the upper venturi 25 and the lower venturi 26, and the mixing channel 23 is tapered at the rear section of the gas-liquid mixing pipe 2 to form the inner tapered portion 21; the upper venturi 25 is communicated with the blower 13, the lower venturi 26 is communicated with the water pump 14, the upper venturi 25 and the lower venturi 26 are arranged in a tapered manner at one end corresponding to the pump 1, and the rear end of the gas-liquid mixing pipe 2 is provided with the output port 22; when air enters the upper venturi 25 and water enters the lower venturi 26, the air is accelerated due to the tapered structure, and the water and the air are mixed due to the venturi effect and then accelerated to be discharged out of the output port 22 by matching with the arrangement of the inner contraction part 21, so that the effect of gas-liquid mixing is achieved, the air is mixed into the water, the dissolved oxygen of the water tank 3 is increased, and a good living environment of aquatic organisms can be provided.

The above description is only a few preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all equivalent changes and modifications made in the claims and descriptions of the present invention should still fall within the scope covered by the present invention.

Claims

1. A high efficiency water-gas mixing device, comprising: a pump, it is a double-deck type, and have a scroll shell, there is a double-deck impeller in the interior of the scroll shell, the upper strata in the interior of scroll shell form a blower, the lower floor forms a water pump, the double-deck impeller has a separation rotary table that can lead air and water to flow between upper and lower floor, the blower and the water pump have multiple blades separately, and install on the upper and lower sides of the separation rotary table correspondingly separately; the upper and lower layers of the pump are provided with the volute to have the flow guiding function, the upper layer of the pump is provided with an upper context pipe, and the lower layer of the pump is provided with a lower context pipe; the scroll casing is provided with a gas-liquid mixing pipe at one side of the periphery, the gas-liquid mixing pipe comprises the upper and lower venturi pipes, so that air and water are respectively guided to the gas-liquid mixing pipe through the scroll casing; the front section of the gas-liquid mixing pipe receives air pushed by the air blower and water flow pushed by the water pump respectively, the rear section of the gas-liquid mixing pipe is internally provided with an inward contraction part, an output port is formed at the tail end, and blades of the water pump rotate to push the water flow to be guided to the gas-liquid mixing pipe through the volute.

2. The high efficiency water gas mixing device of claim 1, wherein the upper and lower surfaces of the isolation turntable have inclined surfaces, and the blades are fan blades above the isolation turntable and water pump blades below the isolation turntable.

3. The high efficiency water-gas mixing device according to claim 2, wherein the isolation turntable further comprises at least one hole extending vertically therethrough, and the hole is gradually enlarged from top to bottom.

4. The high efficiency water-gas mixing device according to claim 2, wherein said fan fin is located near the outer edge above the isolation turntable, and said water pump fin is located near the center below the isolation turntable.

5. The high efficiency water-gas mixing device according to claim 2, wherein said fan fins and said water pump fins are provided at the non-inclined surface of said isolating turntable.

6. The high efficiency water gas mixing device as claimed in any one of claims 1 to 5, wherein the gas-liquid mixing pipe has a mixing channel, the mixing channel is further provided with a separating plate at the front section of the gas-liquid mixing pipe to form the upper venturi and the lower venturi, and the mixing channel is tapered at the rear section of the gas-liquid mixing pipe to form the inner tapered section; the upper venturi is communicated with the blower, the lower venturi is communicated with the water pump, the upper venturi and the lower venturi are arranged in a gradually reducing mode relative to one end of the pump, and the tail end of the rear section of the gas-liquid mixing pipe is provided with the output port.