CN212246293U - River course sewage is with novel air supporting processing apparatus - Google Patents
River course sewage is with novel air supporting processing apparatus Download PDFInfo
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- CN212246293U CN212246293U CN202020815025.8U CN202020815025U CN212246293U CN 212246293 U CN212246293 U CN 212246293U CN 202020815025 U CN202020815025 U CN 202020815025U CN 212246293 U CN212246293 U CN 212246293U
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Abstract
The utility model relates to the technical field of sewage treatment equipment, in particular to a novel air floatation treatment device for river sewage, which comprises a mounting bottom plate anchored at the bottom of a river, a dam foundation and a rubber dam bag, wherein an air flow channel, a water flow channel and a gas-liquid mixing cavity are arranged in the dam foundation, the air flow channel is communicated with an air pump, the gas-liquid mixing cavity is provided with an air inlet, a water inlet and a jet outlet, the air flow channel is communicated with the air inlet, and the water flow channel is communicated with the water inlet and the rubber dam bag; the dam body capable of storing water is formed by the dam foundation and the rubber dam bag, labor is saved, the construction period is shortened, the height of the rubber dam bag is adjustable, and the adaptability is strong; the air flow and the water flow are mixed in the gas-liquid mixing cavity in the dam foundation and then ejected out of the jet flow outlet for air floatation treatment, so that the defect that the traditional floating island type air floatation equipment needs to be fixed by a cable is overcome.
Description
Technical Field
The utility model relates to a sewage treatment device technical field, concretely relates to river course sewage is with novel air supporting processing apparatus.
Background
With the increase of population and the rapid development of urban construction, a large amount of domestic sewage and industrial wastewater containing nutrient substances are discharged into a river channel, so that the water environment of the river channel is polluted, the ecological system of the river channel is damaged, the sewage of the river channel must be treated, the aeration is carried out by utilizing air floatation equipment as an important step in sewage treatment, the existing air floatation devices are complex to install, and some air floatation devices cannot be applied to the river channel at all. For example, blast aeration, surface aerator, etc., which are commonly used in sewage treatment plants, cannot be installed in the river at all. The vertical circulation aerator installed on the buoy is relatively simple and reasonable, the aerator is placed in the buoy, the buoy is placed in the river channel, and the buoy is fixed by the cable. However, the fixing and mounting mode has certain problems, and once the cable is broken by utilizing the cable for fixing, the air floatation equipment can be flushed away, so that unnecessary economic loss is brought; on the other hand, the water depth of some river channels is shallow, and the aeration treatment can be carried out only by additionally building a dam or excavating an aeration tank.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a river course sewage is with novel air supporting processing apparatus, be applicable to the river course that the depth of water is shallow, the pollution degree is higher.
The utility model discloses a river course sewage is with novel air supporting processing apparatus, including anchor in mounting plate, dam foundation and the rubber dam bag of river course bottom, the dam foundation is fixed to be located on the mounting plate, the rubber dam bag is located on the dam foundation, just rubber dam bag intercommunication has the water pump that is used for the water injection, be equipped with air flow channel, rivers passageway and gas-liquid mixing chamber in the dam foundation, air flow channel intercommunication has the air pump, the gas-liquid mixing chamber is equipped with air inlet, water inlet and efflux export, air flow channel with the air inlet intercommunication, rivers passageway intercommunication the water inlet with the rubber dam bag, the efflux export sets up towards the upper reaches in river course.
Furthermore, a scum filter screen is arranged on the dam foundation corresponding to the upstream of the rubber dam bag, the scum filter screen comprises a framework and a mesh surface, and the lower part of the framework is hinged to the side wall of the dam foundation.
Further, still include gas-liquid mixing device, gas-liquid mixing device is including stretching into the pivot of gas-liquid mixing intracavity, be equipped with the impeller that is used for the gas-liquid stirring in the pivot, the pivot is kept away from the one end of impeller is connected with the driving source.
Further, the gas-liquid mixing chamber is a plurality of, and arbitrary all is equipped with in the gas-liquid mixing chamber the impeller, it is same the pivot runs through a plurality of the gas-liquid mixing chamber, and drives a plurality of the impeller rotates.
Further, the air inlet, the water inlet and the jet flow outlet are all provided with one-way valves.
The utility model has the advantages that: the utility model discloses a novel air floatation treatment device for river sewage, which utilizes a dam foundation and a rubber dam bag to form a dam body capable of storing water, can keep the river clean without taking earth and building a weir, saves labor force and shortens construction period, and has adjustable height of the rubber dam bag and strong adaptability; the air flow and the water flow are mixed in the gas-liquid mixing cavity in the dam foundation and then ejected out of the jet flow outlet for air floatation treatment, so that the defect that the traditional floating island type air floatation equipment needs to be fixed by a cable is overcome.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the dam foundation of the present invention.
Description of reference numerals: the mounting base plate 1, the dam foundation 2, the airflow channel 201, the water flow channel 202, the gas-liquid mixing cavity 203, the air pump 204, the air inlet 205, the water inlet 206, the jet flow outlet 207, the rotating shaft 208, the impeller 209, the driving source 210, the rubber dam bag 3 and the scum filter screen 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the novel air floatation treatment device for river sewage in this embodiment includes an installation bottom plate 1 anchored at the bottom of a river, a dam foundation 2 and a rubber dam bag 3, the dam foundation 2 is fixed on the installation bottom plate 1, the rubber dam bag 3 is arranged on the dam foundation 2, the rubber dam bag 3 is communicated with a water pump for water injection, an air flow channel 201, a water flow channel 202 and a gas-liquid mixing chamber 203 are arranged in the dam foundation 2, the air flow channel 201 is communicated with an air pump 204, the gas-liquid mixing chamber 203 is provided with an air inlet 205, a water inlet 206 and a jet outlet 207, the air flow channel 201 is communicated with the air inlet 205, the water flow channel 202 is communicated with the water inlet 206 and the rubber dam bag 3, and the jet outlet 207 is arranged towards the upstream of the river.
In the actual implementation process, the mounting baseplate 1 is anchored at the bottom of a river channel by using the prior art such as a positioning pile, water is injected into the rubber dam bag 3 by a water pump, and a certain water pressure is maintained, so that the rubber dam bag 3 can be supported and intercepted by the water flow, part of water in the rubber dam bag 3 flows through the water flow channel 202 to enter the gas-liquid mixing chamber 203, is preliminarily mixed with gas entering the gas-liquid mixing chamber 203 from the gas flow channel 201, and then is ejected from the jet flow outlet 207 to perform air floatation treatment on the water flow intercepted by the rubber dam bag 3, and it can be understood that the gas pressure at the gas inlet 205 and the water pressure at the water inlet 206 are both greater than the water pressure outside the jet flow outlet 207, so that the gas-liquid.
In this embodiment, a scum filter screen 4 is arranged on the dam foundation 2 corresponding to the upstream of the rubber dam bag 3, the scum filter screen 4 comprises a framework and a screen surface, and the lower part of the framework is hinged to the side wall of the dam foundation 2; it can be understood that the upper edge of the scum filter screen 4 exceeds the water surface, and the rubber dam bag 3 after water injection can support the scum filter screen 4.
In this embodiment, in order to improve the gas-liquid mixing effect, a gas-liquid mixing device is arranged in the gas-liquid mixing chamber 203, the gas-liquid mixing device includes a rotating shaft 208 extending into the gas-liquid mixing chamber 203, an impeller 209 for gas-liquid stirring is arranged on the rotating shaft 208, and a driving source 210 is connected to one end of the rotating shaft 208, which is far away from the impeller 209, wherein the air inlet direction of the air inlet 205 and the water inlet direction of the water inlet 206 are arranged along the normal direction of the rotation plane of the impeller 209, the water inlet direction of the jet outlet 207 is perpendicular to the normal of the rotation plane of the impeller 209, and when the impeller 209 rotates, the gas-liquid mixture is pressurized under the action of centrifugal force and is ejected from the jet outlet 207.
In this embodiment, in order to improve the air flotation efficiency, the number of the gas-liquid mixing cavities 203 is multiple, the impeller 209 is disposed in any one of the gas-liquid mixing cavities 203, and the same rotating shaft 208 penetrates through the multiple gas-liquid mixing cavities 203 and drives the multiple impellers 209 to rotate.
In this embodiment, in order to ensure that the gas-liquid mixture does not flow backwards, the gas inlet 205, the water inlet 206 and the jet outlet 207 are all provided with a one-way valve.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The utility model provides a river course sewage is with novel air supporting processing apparatus which characterized in that: including anchor in mounting plate, dam foundation and the rubber dam bag of river course bottom, the dam foundation is fixed to be located on the mounting plate, the rubber dam bag is located on the dam foundation, just rubber dam bag intercommunication has the water pump that is used for the water injection, be equipped with airflow channel, rivers passageway and gas-liquid mixing chamber in the dam foundation, airflow channel intercommunication has the air pump, gas-liquid mixing chamber is equipped with air inlet, water inlet and efflux export, airflow channel with the air inlet intercommunication, rivers passageway intercommunication the water inlet with the rubber dam bag, the efflux export sets up towards the upper reaches in river course.
2. The novel air-flotation treatment device for the river sewage according to claim 1, characterized in that: the floating slag filtering net is arranged on the dam foundation corresponding to the upstream of the rubber dam bag and comprises a framework and a net surface, and the lower part of the framework is hinged to the side wall of the dam foundation.
3. The novel air-flotation treatment device for the river sewage according to claim 1, characterized in that: still include gas-liquid mixing device, gas-liquid mixing device is including stretching into the pivot of gas-liquid mixing intracavity, be equipped with the impeller that is used for the gas-liquid stirring in the pivot, the pivot is kept away from the one end of impeller is connected with the driving source.
4. The novel air-flotation treatment device for the river sewage according to claim 3, characterized in that: the gas-liquid mixing chamber is a plurality of, and arbitrary all is equipped with in the gas-liquid mixing chamber the impeller, is same the pivot runs through a plurality of the gas-liquid mixing chamber, and drives a plurality ofly the impeller rotates.
5. The novel air floatation treatment device for the river sewage according to any one of claims 1 to 4, characterized in that: and the air inlet, the water inlet and the jet flow outlet are all provided with one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020815025.8U CN212246293U (en) | 2020-05-16 | 2020-05-16 | River course sewage is with novel air supporting processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020815025.8U CN212246293U (en) | 2020-05-16 | 2020-05-16 | River course sewage is with novel air supporting processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212246293U true CN212246293U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020815025.8U Active CN212246293U (en) | 2020-05-16 | 2020-05-16 | River course sewage is with novel air supporting processing apparatus |
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|---|---|
| CN (1) | CN212246293U (en) |
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2020
- 2020-05-16 CN CN202020815025.8U patent/CN212246293U/en active Active
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