CN213112949U - Side ditch type integrated oxidation ditch equipment - Google Patents
Side ditch type integrated oxidation ditch equipment Download PDFInfo
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- CN213112949U CN213112949U CN202021453681.4U CN202021453681U CN213112949U CN 213112949 U CN213112949 U CN 213112949U CN 202021453681 U CN202021453681 U CN 202021453681U CN 213112949 U CN213112949 U CN 213112949U
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- oxidation ditch
- depositing reservoir
- ditch
- oxidation
- mud
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Abstract
The utility model discloses a side ditch formula integration oxidation ditch equipment, including depositing reservoir and oxidation ditch, oxidation ditch limit wall upper end is provided with opening channel and is linked together on the depositing reservoir, depositing reservoir limit wall passes through the hole intercommunication with oxidation ditch limit wall lower extreme, the bottom of depositing reservoir sets up to the hang plate, oxidation ditch limit wall bottom is provided with its underwater impeller that promotes rivers direction and oxidation ditch flow direction unanimity, be provided with in the depositing reservoir and drive the mud that subsides and scrape the mud machine along the bridge type that the hang plate removed to hole one side, one side that opening channel was kept away from to the depositing reservoir sets up out water overflow weir, it is provided with the delivery port to go out water overflow weir bottom. The utility model discloses well utilization removes bridge type mud scraper, under water impeller and clarification tank structure and realizes the mud backward flow with the interpass hole clearance of oxidation ditch jointly, has improved the intensity and the efficiency of mud backward flow.
Description
Technical Field
The utility model relates to a biological method sewage treatment technical field, in particular to side ditch formula integration oxidation ditch equipment.
Background
An oxidation ditch, also called an oxidation ditch or a circulating aeration tank, is an activated sludge method with an elliptical or circular runway shape on the plane. The method has the advantages of simple flow, convenient management, good treatment effect and the like, and is adopted in a plurality of engineering projects, but the most important problem of the oxidation ditch is large occupied area.
Starting from the problem, in recent decades and with the continuous development of technology, an integrated oxidation ditch process for building a secondary sedimentation tank and an oxidation ditch in the same structure appears, and compared with the traditional oxidation ditch process, the process omits a sludge backflow system, so that the occupied area is reduced, the cost is saved, and better economic benefit is obtained. However, when the water volume of sewage treatment on a larger scale is faced, a large amount of sludge can be generated, when the sludge backflow is insufficient and untimely, a channel between oxidation ditches of the clarification tank can be blocked, the sludge is deposited at the bottom of the water and is adsorbed with gas to float upwards after anaerobic digestion, the floating sludge is broken, the structure is loose and not compact, the floating sludge enters a water outlet along with water flow, and the quality of outlet water is reduced. Therefore, the problem of sufficient and timely backflow of sludge is solved when an integrated oxidation ditch suitable for large-scale sewage treatment is researched.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a side ditch formula integration oxidation ditch equipment, it strengthens mud abundant, in time backward flow through optimizing the structure to make it can be applied to the higher design flow condition, realize the possibility that the facility was handled on a large scale.
In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a side ditch formula integration oxidation ditch equipment, including depositing reservoir and oxidation ditch, oxidation ditch boundary wall upper end is provided with opening passageway and is linked together with the depositing reservoir upper end, the depositing reservoir boundary wall passes through the hole intercommunication with oxidation ditch boundary wall lower extreme, the bottom of depositing reservoir sets up to the hang plate, oxidation ditch boundary wall bottom is provided with its underwater impeller that promotes rivers direction and oxidation ditch rivers direction unanimity, be provided with the bridge type mud scraper that drives the mud that subsides to move to hole one side along the hang plate in the depositing reservoir, one side that opening passageway was kept away from to the depositing reservoir sets up out water overflow weir, it is provided with the delivery port to go out water overflow weir bottom. The bottom pores are used as a mixed liquid circulation and sludge backflow channel, and the mixed liquid enters the clarification tank from the bottom pores; the sludge enters the oxidation ditch from the bottom hole.
In a preferable embodiment, the aeration rotary brush is arranged at a position of the oxidation ditch close to the water inlet area, the horizontal shaft of the aeration rotary brush is positioned above the water level of the oxidation ditch, and part of bristles of the aeration rotary brush is positioned below the water level of the oxidation ditch.
In a preferred embodiment, the clarification tank is provided with a vertical baffle at the position of the open channel.
In a preferred embodiment, the effluent overflow weir is a triangular weir.
As a preferred embodiment, the height of the clarification tank is the same as that of the oxidation ditch, and the length and the width of the clarification tank are adjusted according to the quality and the quantity of inlet and outlet water and the length of the oxidation ditch.
Adopt above-mentioned technical scheme the beneficial effects of the utility model are that:
1. the utility model discloses well utilization removes bridge type mud scraper, under water impeller and clarification tank structure and realizes the mud backward flow with the interpass hole clearance of oxidation ditch jointly, has improved the intensity and the efficiency of mud backward flow.
2. The length of the clarification tank can be increased along with the increase of the length of the oxidation ditch, and the matching performance of the treatment capacity of the circulating oxidation ditch and the clarification tank is improved.
3. The utility model discloses need not to establish in addition two heavy ponds, the investment is economized, the operation is maintained simply, the play water quality of water is good, the large-scale treatment of beasts and birds sewage of specially adapted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic plan view of an oxidation ditch according to the present invention;
fig. 2 is a schematic side sectional view of the clarification tank of the present invention.
In the figure: 1-aeration waterwheel; 2-underwater impeller; 3-oxidizing the side wall of the ditch; 4-an open channel; 5-the side wall of the clarification tank; 6-pores; 7-vertical baffles; 8-inclined floor; 9-bridge type mud scraper; 10-an effluent overflow weir; 11-water outlet.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It is right to combine the attached drawing the utility model discloses it is right to combine the figure, make the better implementation of the technical field's of affiliated skill personnel the utility model discloses, the embodiment of the utility model relates to a side ditch formula integration oxidation ditch equipment, including depositing reservoir and oxidation ditch, 3 upper ends of oxidation ditch boundary wall are provided with opening channel 4 and are linked together on the depositing reservoir, and depositing reservoir boundary wall 5 passes through hole 6 intercommunication with 3 lower extremes of oxidation ditch boundary wall, and the bottom of depositing reservoir sets up to hang plate 8, and 3 bottoms of oxidation ditch boundary wall are provided with its underwater impeller 2 that promotes rivers direction and oxidation ditch water direction unanimity, are provided with the bridge type mud scraper 9 that drives the mud that subsides and remove to hole 6 one side along hang plate 8 in the depositing reservoir, and one side that opening channel 4 was kept away from to the depositing reservoir sets up overflow weir 10, and play water overflow weir 10 is the triangle weir, and play water overflow weir 10. The bottom hole 6 is used as a mixed liquid circulation and sludge backflow channel, and the mixed liquid enters the clarification tank from the bottom hole 6; the sludge enters the oxidation ditch from the bottom hole 6.
The position of the oxidation ditch close to the water inlet area is provided with the aeration rotary brush, the horizontal shaft of the aeration rotary brush is positioned above the water level of the oxidation ditch, and part of bristles of the aeration rotary brush is positioned below the water level of the oxidation ditch; a vertical baffle is arranged at the position of the clarification tank, which is positioned at the opening channel 4; the height of the clarification tank is the same as that of the oxidation ditch, and the length and the width of the clarification tank are adjusted according to the quality and the quantity of inlet and outlet water and the length of the oxidation ditch.
The working principle is as follows: organic matters, total nitrogen, ammonia nitrogen and total suspended solids in the livestock and poultry sewage are removed under the action of activated sludge of the oxidation ditch, and solid-liquid separation is carried out through a single-side sedimentation and clarification tank to achieve the sewage purification effect; the high-efficiency and timely backflow of the sludge is realized through the pressure difference formed by the flowing of the mixed liquid in the bridge type mud scraper 9 and the oxidation ditch and the operation of the underwater flow pusher 2.
The operation method and the process flow are as follows: firstly, sewage enters an oxidation ditch filled with activated sludge from a water inlet area, is fully mixed with the activated sludge through an aeration rotary brush and circularly flows along the oxidation ditch under the driving of the rotation of the aeration rotary brush; part of the mixed liquid enters the clarification tank from an opening channel 4 between the oxidation ditch and the clarification tank for solid-liquid separation; the separated supernatant is discharged through a water outlet overflow weir 10; the separated sludge is pushed by a bridge type mud scraper 9 to move to one side of a pore 6 at the bottom, and then the pressure difference is formed by the flowing of the mixed liquid of the oxidation ditch and the operation of an underwater flow pusher 2 arranged at the bottom of the oxidation ditch, so that the efficient backflow of the sludge is realized together.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (5)
1. The utility model provides a side ditch formula integration oxidation ditch equipment, includes depositing reservoir and oxidation ditch, its characterized in that: the oxidation ditch boundary wall upper end is provided with the opening passageway and is linked together with the depositing reservoir upper end, the depositing reservoir boundary wall passes through the hole intercommunication with oxidation ditch boundary wall lower extreme, the bottom of depositing reservoir sets up to the hang plate, oxidation ditch boundary wall bottom is provided with its underwater impeller that promotes the rivers direction and oxidation ditch rivers direction unanimity, be provided with the bridge type mud scraper that drives the mud that subsides and remove to hole one side along the hang plate in the depositing reservoir, one side that the opening passageway was kept away from to the depositing reservoir sets up out water overflow weir, it is provided with the delivery port to go out water overflow weir bottom.
2. The side-trench integrated oxidation trench device of claim 1, wherein: the position of the oxidation ditch close to the water inlet area is provided with an aeration rotary brush, the horizontal shaft of the aeration rotary brush is positioned above the water level of the oxidation ditch, and part of bristles of the aeration rotary brush is positioned below the water level of the oxidation ditch.
3. The side-trench integrated oxidation trench device of claim 1, wherein: the position of the clarification tank at the opening channel is provided with a vertical baffle.
4. The side channel integrated oxidation channel apparatus of claim 1, wherein: the effluent overflow weir is a triangular weir.
5. The side-trench integrated oxidation trench device of claim 1, wherein: the height of the clarification tank is the same as that of the oxidation ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021453681.4U CN213112949U (en) | 2020-07-21 | 2020-07-21 | Side ditch type integrated oxidation ditch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021453681.4U CN213112949U (en) | 2020-07-21 | 2020-07-21 | Side ditch type integrated oxidation ditch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213112949U true CN213112949U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021453681.4U Active CN213112949U (en) | 2020-07-21 | 2020-07-21 | Side ditch type integrated oxidation ditch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213112949U (en) |
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2020
- 2020-07-21 CN CN202021453681.4U patent/CN213112949U/en active Active
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