CN212982596U

CN212982596U - High-efficiency jet aeration device

Info

Publication number: CN212982596U
Application number: CN202021849080.5U
Authority: CN
Inventors: 韩颖; 张建国; 王闯; 徐冬磊; 浦燕新; 徐倩; 杨晔; 谢苏峰
Original assignee: Welly Environmental Technology Group Co ltd
Current assignee: Welly Environmental Technology Group Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-16
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a high-efficient efflux aeration equipment, be used for letting in gaseous main trachea and the main water pipe that is used for letting in liquid including horizontal, main trachea independently set up at the top of main water pipe, the both ends of main trachea and main water pipe have the ring flange respectively, main trachea is equipped with a plurality of bronchus that communicate with each other and the overhanging downward sloping along the length direction interval, main water pipe be equipped with along length direction and correspond overhanging injection pipe, the injection pipe include with main communicating a plurality of bronchus sections of water pipe and be used for gas-liquid mixture and the nozzle section of reducing gradually, and each bronchus is connected with the bronchus section rear side that corresponds and is communicated with each other. The utility model has the advantages of simple structure, flexible and convenient field installation, low cost, improved jet aeration efficiency and capability of meeting different sewage treatment systems.

Description

High-efficiency jet aeration device

Technical Field

The utility model relates to a high-efficient efflux aeration equipment belongs to sewage treatment technical field.

Background

The aerator is necessary equipment for aeration and oxygenation of water supply and drainage, and the current aeration modes mainly comprise mechanical aeration, blast aeration and jet aeration. Jet aeration is used as a third aeration mode after blast aeration and mechanical aeration, and is widely applied to engineering by the advantages of simple structure, high aeration efficiency, low capital investment and the like.

Jet aeration is a system that utilizes a jet aerator to direct a stream of gas or gas-liquid mixture into an aeration basin to increase the oxygen content of the liquid. The existing aerator consists of an aeration base and an aeration arm, wherein the aeration base comprises an air cavity and a water cavity, the air cavity is provided with an air inlet, the bottom end of the water cavity is provided with a water inlet, the water cavity is connected with a circulating water system, the air cavity is connected with a blower system, the water cavity and the air cavity are separated by a partition plate, a liquid phase enters a mixing cavity of an aeration arm main body, gas is sucked from a side pipe air inlet, the gas phase and the liquid phase are in contact mixing in the mixing cavity and carry out gas-liquid mass transfer, and finally, the gas-liquid phase is sprayed out through. However, the existing aeration base needs to be internally provided with a partition plate to separate gas phase and liquid phase inside the aeration base, and the structure has the advantage of small volume, but the internal structure is complex, so that the manufacturing cost is increased, and the later maintenance is not facilitated. Furthermore, in the use process, the structure has limited aeration and oxygenation area, so a plurality of aerators are arranged at the bottom of the tank or the bottom of the tank in the application, a plurality of corresponding air pipe connecting pipes and water pipe connecting pipes are required to be arranged to be connected with the corresponding aerators, and the field installation is complicated.

Disclosure of Invention

The utility model aims at providing a simple structure, the flexible convenience of on-the-spot installation, it is with low costs, can improve the high-efficient efflux aeration equipment of efflux aeration efficiency.

The utility model discloses a technical scheme who reaches above-mentioned purpose is: a high-efficient efflux aeration equipment which characterized in that: the gas-liquid mixing and reducing device comprises a main gas pipe and a main water pipe, wherein the main gas pipe is transversely used for introducing gas, the main water pipe is used for introducing liquid, the main gas pipe is independently arranged at the top of the main water pipe, flange plates are respectively arranged at two ends of the main gas pipe and the main water pipe, the main gas pipe is provided with a plurality of branch gas pipes which are communicated with each other and extend downwards and incline at intervals along the length direction, the main water pipe is provided with a corresponding extending jet pipe along the length direction, the jet pipe comprises a plurality of branch water pipe sections which are communicated with the main water pipe and a nozzle section which is used for gas-liquid mixing and reducing gradually, and each branch gas pipe is connected with the rear side of.

The utility model discloses high-efficient efflux aeration equipment adopts independent main trachea and main water pipe to transversely put main trachea at main water pipe top, through setting up the injection union coupling that corresponds on a plurality of bronchus of main trachea outside and main water pipe, make the gas-liquid double-phase mix and discharge at the injection pipe, simple structure, and can reduce manufacturing cost and use cost by a wide margin. The utility model discloses be equipped with the ring flange at main trachea and main water pipe both ends, convenient and tuber pipe flange and inlet tube flange joint, the on-the-spot installation is swiftly convenient, consequently can be according to the quantity of this efflux aeration equipment of sewage treatment volume multiplicable, can form the modularization and produce and use. The utility model discloses set up a plurality of bronchus and injection pipe along length direction in main gas and main water pipe, can adjust the density of bronchus and injection pipe in a flexible way, increase substantially the efflux aeration rate, and improve efflux aeration efficiency, can promote sewage treatment efficiency, satisfy different sewage treatment systems. The utility model discloses the feed liquor department of bronchus section is equipped with the spinning disk subassembly, can increase the torrent kinetic energy and the two looks intertillage degree of liquid phase through the spinning disk blade, further improves mass transfer efficiency and the power efficiency of oxygen in the liquid phase.

Drawings

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the high-efficiency jet aeration device of the utility model.

FIG. 2 is a schematic sectional view A-A of FIG. 1.

Fig. 3 is a schematic view of the three-dimensional structure of the high-efficiency jet aeration device of the utility model.

Fig. 4 is an enlarged schematic view of fig. 3 at I.

Wherein: 1-flange plate, 2-flange support piece, 3-main trachea, 4-main water pipe, 5-bronchus, 6-injection pipe, 6-1-bronchus section, 6-2-nozzle section, 7-stabilizer blade, 8-supporting shoe, 9-spinning disk subassembly, 9-1-base ring, 9-2-swirl vane.

Detailed Description

See fig. 1 ~ 3 shown, the utility model discloses a high-efficient efflux aeration equipment, including horizontal main trachea 3 that is used for letting in gas and the main water pipe 4 that is used for letting in liquid, main trachea 3 independently sets up at main water pipe 4 tops, and main trachea 3 and main water pipe 4's both ends are fixed with ring flange 1 respectively, because main trachea 3 and main water pipe 4 independently set up, can adopt current tubular product to make, can reduce substantially the cost of manufacture, the utility model discloses main trachea 3 can adopt carbon steel, stainless steel or other composite metal material with main water pipe 4 and ring flange 1. See fig. 1 and 2, the utility model discloses distance H between the central axis of main trachea 3 and the central axis of main water pipe 4 is 500 ~ 1000mm, if this distance H is at 600 ~ 800mm, can adjust the central distance between main trachea 3 and main water pipe 4 according to the degree of depth of sewage aeration tank or sewage aeration tank. The utility model discloses main trachea 3 and main water pipe 4 can adopt the pipe, and the pipe diameter of main trachea 3 and the pipe diameter proportion of main water pipe 4 are at 1: 1.2-2, if the diameter ratio of the main gas pipe 3 to the main water pipe 4 is 1: 1.4-1.8, and the pipe diameter ratio of the main air pipe 3 and the main water pipe 4 can be adjusted according to the sewage treatment capacity and the volume of the aeration tank.

See fig. 1 ~ 3 shown, the utility model discloses ring flange 1 includes the last drill way of being connected with main trachea 3 and the lower drill way of being connected with main water pipe 4, the both ends correspondence of main trachea 3 and main water pipe 4 is fixed outside the last drill way and the lower drill way of ring flange 1 separately, and the equipartition has a plurality of flange support piece 2 between ring flange 1 and main trachea 3 and the main water pipe 4, with main trachea 3 and main water pipe 4 set up on ring flange 1 last drill way and lower drill way department and welded fastening, on main trachea 3 and the main water pipe 4 periphery of a plurality of flange support piece 2 equipartition welding on ring flange 1, fix main trachea 3 and main water pipe 4 on ring flange 1. The utility model discloses be equipped with a plurality of supporting shoes 8 along length between main gas line 3 and main water pipe 4, main gas line 3 is fixed on main water pipe 4 through a plurality of supporting shoes 8, and the bottom of main water pipe 4 is equipped with a plurality of stabilizer blades 7 along length direction, stabilizer blade 7 is L shape, and the bottom surface of stabilizer blade 7 is used for being connected with effluent water sump or sewage tank, each stabilizer blade 7 passes through bolted connection or welds in the bottom of effluent water sump or sewage tank, or each stabilizer blade 7 passes through the support to be fixed in the bottom of effluent water sump or sewage tank, the convenience is installed jet aeration equipment in effluent water sump and sewage tank. The utility model discloses one of them ring flange 1 passes through fastener and tuber pipe flange and advances water pipe flange joint, introduces corresponding main trachea 3 respectively with liquid in with main water pipe 4, if single section length satisfies the demands, another ring flange 1 is connected with the blind flange through the fastener, when main trachea 3 and main water pipe 4's single section length unsatisfied demands, another ring flange 1 is connected with the ring flange of another section main trachea and main water pipe, consequently can be according to the volume in sewage treatment capacity and aeration tank, nimble adjustment the utility model discloses an aeration equipment's quantity satisfies the demand in different sewage treatment places.

As shown in the figures 1 and 3, the main air pipe 3 of the present invention is provided with a plurality of branch air pipes 5 which are communicated with each other and extend downwards and incline downwards along the length direction at intervals, the branch air pipes 5 are connected with the main air pipe 3 by welding or screw threads, and the inclination angle alpha between the central line of the branch air pipes 5 and the central horizontal plane of the main air pipe 3 is 30-60 degrees, such as 35-50 degrees. As shown in figures 1 and 3, the utility model discloses main water pipe 4 is equipped with corresponding overhanging injection pipe 6-1 along length direction, injection pipe 6-1 includes a plurality of branch water pipe sections 6-1 that communicate with each other with main water pipe 4 and nozzle section 6-2 of reducing gradually, each branch gas pipe 5 is connected with the rear side of corresponding branch water pipe section 6-1 and is communicated with each other, injection pipe 6-1 adopts welding or screw thread and is linked to each other with main water pipe 4, this branch water pipe section 6-1 is the constant diameter structure, the gas in main water pipe 3 lets in corresponding injection pipe 6-1 through each branch gas pipe 5, because the cross section of admitting air is reduced, can strengthen gas to the pulsation impact and the momentum transfer of liquid phase, make two-phase of gas-liquid can lead to the blowout after mixing rapidly in nozzle section 6-2 intracavity, improve mass transfer efficiency and the power efficiency of oxygen in the liquid phase.

See fig. 1, the utility model discloses distance L between two adjacent trachea 5 of main trachea 3 is at 500 ~ 1000mm, if this distance L is at 600 ~ 800mm, can set up its density according to the volume of sewage treatment capacity and aeration tank, the utility model discloses bronchus 5 sets up the unilateral at main trachea 3, or see fig. 1, 3 and show, the utility model discloses bronchus 5 sets up in the both sides of main trachea 3 at main trachea 3 symmetry, or sets up the multiple side along its peripheral symmetry, can be at a plurality of injection pipes 6-1 of 4 length direction of main trachea and circumference setting, and increase substantially aeration oxygenation efficiency, satisfy different sewage treatment system. As shown in the figures 1 and 2, the utility model discloses injection pipe 6-1 level setting or the setting of having a down dip, the contained angle between the central line of injection pipe 6-1 and the central horizontal plane of main water pipe 4 when having a down dip is at 5 ~ 45, and this contained angle is at 15 ~ 30, and the contained angle beta between the central line of bronchus 5 and the central line of injection pipe 6-1 is at 30 ~ 70, and this contained angle beta is at 40 ~ 60.

As shown in figures 3 and 4, the utility model discloses main water pipe 4 is equipped with spinning disk subassembly 9 with the communicating department of branch water pipe section 6-1, spinning disk subassembly 9 includes base ring 9-1 and along central symmetry and to nozzle segment 6-2 one side inclined at least three whirl blade 9-2, see figure 4 and show, can adopt four whirl blades 9-2 of symmetry, and the angle of inclination between each whirl blade 9-2 and the branch water pipe section 6-1 cross-section is at 10 ~ 30, base ring 9-1 welding or draw-in groove are in branch water pipe section 6-1 water inlet department, further improve the degree of turbulence that the liquid phase got into injection pipe 6-1 through whirl blade 9-2, make the double-phase mixture of gas-liquid and better accomplish the oxygenating process in the liquid phase.

Claims

1. A high-efficient efflux aeration equipment which characterized in that: the gas-liquid separation device comprises a main gas pipe (3) and a main water pipe (4), wherein the main gas pipe (3) is transversely used for introducing gas, the main water pipe (4) is used for introducing liquid, the main gas pipe (3) is independently arranged at the top of the main water pipe (4), flange plates (1) are respectively arranged at two ends of the main gas pipe (3) and the main water pipe (4), the main gas pipe (3) is provided with a plurality of branch gas pipes (5) which are communicated with each other and extend outwards and incline downwards along the length direction at intervals, the main water pipe (4) is provided with corresponding extending jet pipes (6) along the length direction, each jet pipe (6) comprises a plurality of branch gas pipe sections (6-1) which are communicated with the main water pipe (4) and nozzle sections (6-2) with gradually reduced diameters, and each branch gas pipe (5) is connected with the rear side of the corresponding branch.

2. A high efficiency jet aeration device according to claim 1, wherein: the liquid inlet of the branch water pipe section (6-1) is provided with a swirl vane assembly (9), the swirl vane assembly (9) comprises a base ring (9-1) and at least three swirl vanes (9-2) which are symmetrical along the center and inclined towards one side of the nozzle section (6-2), and the inclination angle between the cross section of each swirl vane (9-2) and the cross section of the branch water pipe section (6-1) is 10-30 degrees.

3. A high efficiency jet aeration device according to claim 2, wherein: the base ring (9-1) is welded or the clamping groove is arranged at the liquid inlet of the branch pipe section (6-1).

4. A high efficiency jet aeration device according to claim 1, wherein: ring flange (1) including the last drill way of being connected with main trachea (3) and the lower drill way of being connected with main water pipe (4), the both ends correspondence of main trachea (3) and main water pipe (4) is fixed outside the last drill way and the lower drill way of ring flange (1) separately, the equipartition has a plurality of flange support piece (2) between ring flange (1) and main trachea (3) and main water pipe (4), and one of them ring flange (1) is connected with tuber pipe flange and inlet tube flange through the fastener, another ring flange (1) is connected with the blind flange through fastener and is connected or is connected with the ring flange of another section main trachea and main water pipe.

5. A high efficiency jet aeration device according to claim 1, wherein: the ratio of the pipe diameter of the main air pipe (3) to the pipe diameter of the main water pipe (4) is 1: 1.2 to 2.

6. A high efficiency jet aeration device according to claim 1, wherein: the distance H between the central axis of the main air pipe (3) and the central axis of the main water pipe (4) is 500-1000 mm.

7. A high efficiency jet aeration device according to claim 1, wherein: the distance L between two adjacent branch air pipes (5) of the main air pipe (3) is 500-1000 mm, and the branch air pipes (5) are arranged on one side of the main air pipe (3) or symmetrically arranged on two sides of the main air pipe (3).

8. A high efficiency jet aeration device according to claim 1, wherein: the injection pipes (6) are horizontally arranged or arranged in a declining manner, and the included angle between the central line of the injection pipe (6) and the central horizontal plane of the main water pipe (4) is 5-45 degrees when the injection pipe (6) declines.

9. A high efficiency jet aeration device according to claim 1, wherein: the inclination angle alpha between the central line of the branch air pipe (5) and the central horizontal plane of the main air pipe (3) is 30-60 degrees, and the included angle beta between the central line of the branch air pipe (5) and the central line of the jet pipe (6) is 30-70 degrees.

10. A high efficiency jet aeration device according to claim 1, wherein: the main air pipe (3) is fixed on the main water pipe (4) through a plurality of supporting blocks (8); and the bottom of the main water pipe (4) is provided with a plurality of support legs (7) along the length direction, the support legs (7) are L-shaped, and the bottom surfaces of the support legs (7) are used for being connected with a sewage pool or a sewage tank.