CN218596220U - Pneumatic integrated jet aeration device - Google Patents

Abstract

The utility model relates to a pneumatic integrated jet aeration device, which solves the technical problems of low oxygen utilization rate and high equipment energy consumption in the jet aeration device, and is provided with an air chamber, a connector, a pump chamber and a Venturi ejector, wherein the air chamber is connected with the pump chamber through the connector, the air chamber is provided with an air outlet, an air inlet and a turbine, the pump chamber is provided with an outlet pipe, a water inlet and an impeller, and the Venturi ejector is respectively communicated with the air outlet of the air chamber and the outlet pipe of the pump chamber; a driving shaft is arranged in the connecting body, and the turbine and the impeller are connected with the driving shaft respectively and rotate synchronously. The utility model can be widely applied to the field of sewage treatment.

Description

Pneumatic integrated jet aeration device

Technical Field

The utility model relates to a sewage treatment field especially relates to a pnematic integration efflux aeration equipment.

Background

Aeration is one of the most central processes in sewage treatment, especially biochemical treatment processes. The aeration is also the precondition for repairing various water bodies such as urban black and odorous riverways, eutrophic lakes, reservoirs, estuarine and seacoasts and the like. The common aeration device adopts an air aeration method, and because the oxygen content in the air is only about 21 percent, the saturated solubility of the oxygen in the clear water at the temperature of 20 ℃ is only 9.1mg/L. Therefore, the common technical method adopting air aeration can show the defects of low oxygen aeration energy efficiency and high aeration energy consumption.

Conventional aeration such as disc type micropore aeration, tubular aeration, rotational flow aeration, surface aeration and the like not only has low oxygen transfer efficiency, but also can not enable activated sludge to be fully contacted and fused with oxygen, and although the conventional jet aeration can enable the oxygen to be stirred and contacted with sewage components, the conventional jet aeration needs to be simultaneously provided with an air blower and a special jet water pump, so that the energy consumption is higher, the one-time investment is larger, and the control of the operation cost of a water plant is not facilitated.

2 parts of hydrogen and 1 part of oxygen are generated in the water electrolysis process, the hydrogen is stored for chemical synthesis or industrial smelting and other purposes, but the generated high-pressure high-purity oxygen is not recycled but is directly discharged to the air, so that the waste of resources is caused.

Disclosure of Invention

The utility model discloses a solve among the current jet aeration equipment technical problem that oxygen utilization ratio is low, equipment energy consumption is high, provide a high-pressure pure oxygen or bottled high-pressure liquid oxygen that rational utilization electrolysis water hydrogen manufacturing produced to dissolve the oxygen behind the high-pressure energy release and form the pnematic integration jet aeration equipment of oxygen boosting sewage among the sewage.

The utility model provides a pneumatic integrated jet aeration device, which is provided with an air chamber, a connector, a pump cavity and a venturi ejector, wherein the air chamber is connected with the pump cavity through the connector, the air chamber is provided with an air outlet, an air inlet and a turbine, the pump cavity is provided with a water outlet pipe, a water inlet and an impeller, and the venturi ejector is respectively communicated with the air outlet of the air chamber and the water outlet pipe of the pump cavity; a driving shaft is arranged in the connecting body, and the turbine and the impeller are connected with the driving shaft respectively and rotate synchronously.

Preferably, the air chamber is provided with an upper flange cover connected through a threaded fastener, the upper flange cover is fixedly provided with the air inlet, and the air inlet obliquely penetrates through the upper flange cover.

Preferably, the pump cavity is provided with a lower flange water inlet grid connected by a threaded fastener, the lower flange water inlet grid being provided with the water inlet.

Preferably, the turbine is mounted on the upper end of the driving shaft through a compression bolt; the impeller is installed at the lower end of the driving shaft through a compression bolt.

Preferably, the exhaust port is provided with a flange and an exhaust port flange pipe, the water outlet pipe is provided with a flange, and the exhaust port flange pipe is connected with the air inlet of the venturi ejector through the flange; the water outlet pipe is connected with the liquid suction port of the Venturi ejector through a flange.

Preferably, the connector is of a double-flange structure, an upper pressure plate flange is arranged in the air chamber, a lower pressure plate flange is arranged in the pump cavity, the upper pressure plate flange and the lower pressure plate flange are respectively connected with the double flanges of the connector, and the air chamber and the pump cavity are connected and fixed through the connector to form a whole.

Preferably, a thrust bearing and an oil seal are further arranged inside the connecting body; the thrust bearing is used for positioning the position of the driving shaft and ensuring that the driving shaft rotates freely; and the oil seal is fixed with the lower pressure plate flange through the upper pressure plate flange and seals the installation space of the thrust bearing.

The utility model has the advantages that:

the utility model realizes the non-power consumption water supply by converting the wind energy into the kinetic energy, removes the special water pump for jet flow in the traditional jet aerator process, reduces the operation energy consumption and the investment cost of jet flow aeration, and indirectly reduces the carbon emission of a sewage treatment plant; the utility model combines the turbine and the impeller, compared with the traditional jet aerator, the utility model reduces the installation space and saves the occupied area; and the installation is simple and convenient, and the complicated water inlet and outlet pipeline arrangement of a special jet flow water pump is not needed.

The utility model discloses the accessory substance oxygen that can adopt electrolysis water hydrogen manufacturing technology to produce carries out high pressure aeration as the air supply, has solved electrolysis water hydrogen manufacturing technology oxygen and has not utilized the problem of direct emission, has indirectly reduced the manufacturing cost of electrolysis water hydrogen manufacturing.

The utility model discloses air chamber, pump chamber and connector adopt many flange joint, compare in traditional casting structure, conveniently change parts such as turbine, impeller, bearing, provide the condition of facilitating for the maintenance of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the connector of the present invention.

Description of the symbols of the drawings:

1. a pure oxygen inlet; 2. an exhaust port flange pipe; 3. a water inlet; 4. a water outlet pipe; 5. an air chamber; 6. a turbine; 7. a pump chamber; 8. an impeller; 9. a linker; 10. a thrust bearing; 11. oil sealing; 12. an upper platen flange; 13. a lower platen flange; 14. a drive shaft; 15. an upper flange cover; 16. a lower flange water inlet grid; 17. an air inlet; 18. a liquid suction port; 19. an ejection port.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, so that those skilled in the art can implement the present invention.

Example (b): as shown in fig. 1-2, the utility model is provided with an air chamber 5, a connecting body 9 and a pump cavity 7; the air chamber 5 is provided with an air chamber shell, an upper flange cover 15, a turbine 6 and an upper pressure plate flange 12; the pump cavity 7 is provided with a pump cavity shell, a lower flange water inlet grid 16, an impeller 8 and a lower pressure plate flange 13; the air chamber 5 is of a shell structure, the upper part of the air chamber is provided with a connecting flange which has the same size as the upper flange cover 15, the upper flange cover 15 is provided with a pure oxygen inlet 1, penetrates through the upper flange cover 15 through a pipeline at a certain inclination angle (15-75 degrees) for welding, and is fixedly connected with the connecting flange of the air chamber shell through bolts; the pump cavity 7 is a round cavity structure, and the upper part of the pump cavity is provided with a water outlet pipe 4; the lower part of the pump cavity shell is provided with a connecting flange with the same size as the lower flange water inlet grid 16 and is connected with the lower flange water inlet grid 16 through bolts, and the lower flange water inlet grid 16 is provided with a water inlet 3; the air chamber 5 is connected with the pump cavity 7 through a connecting body 9; the connector 9 is of a double-flange structure, and a thrust bearing 10, a driving shaft 14 and an oil seal 11 are arranged inside the connector; the thrust bearing 10 positions the driving shaft 14, ensures that the driving shaft 14 can rotate freely, and the oil seal 11 is fixed with the lower pressure plate flange 13 through the upper pressure plate flange 12 to seal the installation space of the thrust bearing 10, prevent gas or water from entering and prolong the service life of the driving shaft 14 and the thrust bearing 10; the upper pressure plate flange 12 and the lower pressure plate flange 13 are respectively connected with the connecting body 9 through double flanges, and the air chamber 5 and the pump cavity 7 are connected and fixed through the connecting body to form a whole; the turbine 6 is arranged at the upper end of the driving shaft 14 through a compression bolt; the impeller 8 is arranged at the lower end of the driving shaft 14 through a compression bolt; the turbine 6 and the impeller 8 synchronously rotate through a driving shaft 14; the flange pipe 2 of the exhaust port on the air chamber 5 is connected with the air inlet 17 of the Venturi ejector through a flange, and the water outlet pipe 4 on the pump cavity 7 is connected with the liquid suction port 18 of the Venturi ejector through a flange.

The water electrolysis hydrogen production process generates 2 parts of hydrogen and 1 part of oxygen, the pressure of pure oxygen generated by water electrolysis hydrogen production is 1.0-1.6 MPa, at the moment, high-pressure pure oxygen (or bottled liquid oxygen) generated by water electrolysis hydrogen production directly enters the gas chamber 5 through the pure oxygen inlet 1, the turbine 6 in the gas chamber 5 is acted by high-pressure gas, the energy released by the high-pressure gas is converted into the kinetic energy of the turbine 6, the driving shaft 14 is positioned and fixed through the thrust bearing 10, the turbine 6 and the impeller 8 are respectively arranged at two ends, so the kinetic energy of the turbine 6 is transmitted to the impeller 8 through the driving shaft 14, and at the moment, the turbine 6 and the impeller 8 coaxially and synchronously rotate. Pure oxygen releasing a part of energy enters the Venturi ejector from the exhaust port flange pipe 2 at the lower part of the air chamber 5 for secondary work to form ejection; the kinetic energy of the rotation of the impeller 8 is transferred to the sewage, so that the sewage is sprayed out of the water outlet pipe 4 at the upper part of the pump cavity 7 into the Venturi ejector; pure oxygen gas and sewage get into venturi ejector jet orifice 19 after mixing in the venturi ejector, form efflux aeration effect in the sewage treatment pond, jet out pure oxygen and sewage jointly, increase sewage treatment pond oxygen dissolved volume, stir the sewage bottom of the pool simultaneously.

The jet aeration process completed by the embodiment of the utility model makes full use of the high-pressure pure oxygen generated by the water electrolysis hydrogen production process, and reduces the cost of water electrolysis hydrogen production because of the reasonable utilization of oxygen; compared with a jet aeration mode of a traditional air blower and a jet special pump, the jet special pump device is removed, energy consumption is reduced, and carbon emission is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.

Claims (7)

1. A pneumatic integrated jet aeration device is characterized by comprising an air chamber, a connector, a pump cavity and a Venturi ejector, wherein the air chamber is connected with the pump cavity through the connector, the air chamber is provided with an air exhaust port, an air inlet and a turbine, the pump cavity is provided with a water outlet pipe, a water inlet and an impeller, and the Venturi ejector is respectively communicated with the air exhaust port of the air chamber and the water outlet pipe of the pump cavity; a driving shaft is arranged in the connecting body, and the turbine and the impeller are connected with the driving shaft respectively and rotate synchronously.

2. The pneumatic integrated jet aeration device of claim 1, wherein the air chamber is provided with an upper flange cover connected by a threaded fastener, the upper flange cover is fixedly provided with the air inlet, and the air inlet obliquely penetrates through the upper flange cover.

3. The pneumatic integrated jet aeration device of claim 1, wherein the pump chamber is provided with a lower flange water intake grate attached by threaded fasteners, the lower flange water intake grate being provided with the water inlet.

4. The pneumatic integrated jet aeration device according to claim 1, wherein the turbine is mounted on the upper end of the driving shaft by a compression bolt; the impeller is installed at the lower end of the driving shaft through a compression bolt.

5. The pneumatic integrated jet aeration device according to claim 1, wherein the exhaust port is provided with a flange and an exhaust port flange pipe, the water outlet pipe is provided with a flange, and the exhaust port flange pipe is connected with the air inlet of the venturi ejector through the flange; the water outlet pipe is connected with the liquid suction port of the Venturi ejector through a flange.

6. The pneumatic integrated jet aeration device according to any one of claims 1 to 5, wherein the connecting body is of a double-flange structure, an upper pressure plate flange is arranged in the air chamber, a lower pressure plate flange is arranged in the pump cavity, the upper pressure plate flange and the lower pressure plate flange are respectively connected with the double flanges of the connecting body, and the air chamber and the pump cavity are connected and fixed into a whole through the connecting body.

7. The pneumatic integrated jet aeration device according to claim 6, wherein a thrust bearing and an oil seal are further arranged inside the connector; the thrust bearing is used for positioning the position of the driving shaft and ensuring that the driving shaft rotates freely; and the oil seal is fixed with the lower pressure plate flange through the upper pressure plate flange and seals the installation space of the thrust bearing.

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