CN219314718U

CN219314718U - Sewage treatment device difficult to block

Info

Publication number: CN219314718U
Application number: CN202223531782.0U
Authority: CN
Inventors: 孙振松; 张明; 柴建华; 裴晗; 王鹏
Original assignee: Zhengzhou Railway Equipment Manufacturing Co ltd
Current assignee: Zhengzhou Railway Equipment Manufacturing Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-07
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a sewage treatment device which is not easy to block, comprising an oxidation ditch tank body, wherein an anaerobic zone, an aeration zone, an air lifting zone and a sedimentation zone are arranged in the oxidation ditch tank body, a water inlet is arranged on the anaerobic zone, a mud outlet and a water outlet are arranged on the sedimentation zone, the anaerobic zone, the aeration zone, the air lifting zone and the sedimentation zone are separated by a baffle plate, a grid for blocking filler is arranged in the anaerobic zone, an aeration component is arranged in the aeration zone, the aeration component comprises an aeration bracket and a baffle plate arranged on the aeration bracket, a separation net is arranged at the top or the bottom of the baffle plate, the aeration zone is divided into an ascending chamber and a descending chamber which are alternately arranged by the baffle plate, the ascending chamber is communicated with the descending chamber by the separation net, and an aeration pipe arranged on the aeration bracket is arranged at the bottom of the ascending chamber. According to the utility model, the aeration bracket is added, the filler is intercepted through the separation net, and meanwhile, S-shaped ascending and descending water flow is formed through the aeration device, so that the water flow mobility is better.

Description

Sewage treatment device difficult to block

Technical Field

The utility model relates to the field of sewage treatment equipment, in particular to a sewage treatment device which is not easy to block.

Background

The high-concentration sewage and wastewater of the railway passenger train has the characteristics of high organic matters, high suspended matters, high ammonia nitrogen, high phosphorus, low carbon nitrogen ratio and the like, and has the characteristics of high water quality and water quantity fluctuation, high treatment difficulty and high operation cost.

Compared with the traditional activated sludge method, the oxidation ditch technology has the characteristics of simple process flow, convenient operation and management, stable treatment effect, good effluent quality and the like, is a mature water treatment technology which is applied to sewage treatment, and occupies a quite high application proportion in water treatment. The traditional activated sludge process and the MBBR process are combined to form an activated sludge process and sludge membrane composite process, the advantages of the activated sludge process and the MBBR process are fully combined, and organic pollutants in sewage can be effectively removed by adding a suspension carrier into an oxidation ditch, so that the nitrification and denitrification effects are enhanced, and the aim of synchronous denitrification and dephosphorization is fulfilled. There is an urgent need for a railway wastewater treatment device, and CN102134124a discloses an integrated oxidation ditch, wherein the filler has fluidity, and the problem of local filler accumulation is easy to occur.

Disclosure of Invention

The utility model aims to provide a sewage treatment device which is not easy to block.

The utility model has the innovation points that the aeration bracket is added, the filler is intercepted by the barrier net, and meanwhile, S-shaped ascending and descending water flow is formed by the aeration device, so that the water flow mobility is better.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a difficult sewage treatment plant who blocks up, including oxidation ditch cell body, be equipped with the anaerobism district in the oxidation ditch cell body, the aeration zone, the air lift district, the sedimentation zone, be equipped with the water inlet on the anaerobism district, be equipped with out mud mouth and delivery port on the sedimentation zone, the anaerobism district, the aeration zone, air lift district, separate through the baffle between the sedimentation zone, be equipped with the opening that overflows usefulness on the baffle, the anaerobism district, the aeration zone, the sedimentation zone communicates in proper order and forms a hydrologic cycle, the packing has been arranged in anaerobism district and the aeration zone, the anaerobism district is equipped with the impeller, be equipped with air lifting device on the air lift district, its characterized in that, be equipped with the aeration component in the aeration zone, the baffle of arranging on the aeration support, baffle top or bottom are equipped with the barrier net, be separated into the ascending room and the descending room of alternate arrangement by the baffle in the aeration zone, ascending room and descending room are equipped with the aeration pipe of arranging on the aeration support through the barrier net intercommunication.

The sewage sequentially enters the anaerobic zone, the air lifting zone, the aeration zone and the sedimentation zone, S-shaped plug flow is formed up and down in the aeration zone, the airflow of the aeration pipe is used for pushing water flow, the fluidity of the water body is good, the water circulation in the oxidation ditch tank body consumes less energy, the filler can not be accumulated and blocked, and the water quality is high.

Preferably, a baffle plate with an opening at the bottom is arranged in the sedimentation zone to divide the sedimentation zone into a sedimentation chamber and an inclined tube sedimentation chamber, and an inclined tube group is arranged in the inclined tube sedimentation chamber. Settling in the settling chamber, and settling by the inclined tube group to improve the quality of the effluent.

Preferably, the inclined tube group is arranged with an upper group and a lower group, and the inclined tube diameter of the lower inclined tube group is larger than that of the upper inclined tube group. The sedimentation is carried out step by step through the inclined tube, and the sedimentation effect is better.

Preferably, a plurality of slots into which the grids are inserted are arranged in the anaerobic zone. The grid can avoid packing accumulation, and is convenient to install and detach.

Preferably, the aeration bracket is provided with a plurality of lifting holes. The aeration assembly is convenient to install.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the aeration bracket is added, the filler is intercepted through the separation net, and meanwhile, S-shaped ascending and descending water flow is formed through the aeration device, so that the water flow mobility is better.

2. The utility model carries out step-by-step sedimentation through the inclined tube, and the sedimentation effect is better.

3. According to the utility model, the filling material accumulation can be avoided by adding the grille, and the grille is convenient to install and detach.

Drawings

Fig. 1 is a top view of the present utility model.

Fig. 2 is an expanded view of the present utility model.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Example 1: as shown in figures 1 and 2, the sewage treatment device which is not easy to block comprises an oxidation ditch tank body 1, wherein an anaerobic zone 2, an aeration zone 3, an air lifting zone 4 and a sedimentation zone 5 are arranged in the oxidation ditch tank body 1, a water inlet 6 is arranged on the anaerobic zone 2, a mud outlet 7 and a water outlet 8 are arranged on the sedimentation zone 5, the anaerobic zone 2, the aeration zone 3, the air lifting zone 4 and the sedimentation zone 5 are separated by a baffle 9, an opening 9.1 for overflow is arranged on the baffle 9, the anaerobic zone 2, the air lifting zone 4, the aeration zone 3 and the sedimentation zone 5 are sequentially communicated to form a water circulation, a filler 6 is arranged in the anaerobic zone 2 and the aeration zone 3, a pusher 10 is arranged in the anaerobic zone 2, an air lifting device 11 is arranged on the air lifting zone 4, a grid 13 for blocking the filler 6 is arranged in the anaerobic zone 2, a plurality of slots 2.1 for inserting the grid 13 are arranged in the anaerobic zone 2, the sedimentation zone 5 is internally provided with a baffle plate 9 with an opening at the bottom, the sedimentation zone 5 is divided into a sedimentation chamber 5.1 and an inclined tube sedimentation chamber 5.2, an inclined tube group 14 is arranged in the inclined tube sedimentation chamber 5.2, an upper inclined tube group 14 and a lower inclined tube group 14 are arranged in the inclined tube group, the inclined tube diameter of the lower inclined tube group 14 is larger than that of the upper inclined tube group 14, an aeration assembly 12 is arranged in the aeration zone 3, the aeration assembly 12 comprises an aeration bracket 12.1 and a baffle plate 12.2 arranged on the aeration bracket 12.1, the top or the bottom of the baffle plate 12.2 is provided with a separation net 12.3, the aeration zone 3 is divided into ascending chambers 12.4 and descending chambers 12.5 which are alternately arranged by the baffle plate 12.2, the ascending chambers 12.4 and the descending chambers 12.5 are communicated through the separation net 12.3, the bottom of the ascending chambers 12.4 is provided with an aeration tube 12.6 arranged on the aeration bracket 12.1, and a plurality of lifting holes are arranged on the aeration bracket 12.1.

During operation, sewage flows into the anaerobic zone 2 from the water inlet 6, enters the air lifting zone 4 after dephosphorization in the anaerobic zone 2, then enters the aeration zone 3, in the aeration zone 3, the aeration pipe 12.6 of the rising chamber 12.4 is aerated to form rising flow, the falling chamber 12.5 is freely fallen to form falling flow, water flow alternately ascends and descends through the separation net 12.3, the water flow enters the sedimentation zone 5, firstly, is settled in the sedimentation chamber 5.1, then is settled in the inclined tube sedimentation chamber 5.2 through the inclined tube group 14, sludge flows out from the sludge outlet 7, part of water flows back to the anaerobic zone 2, and part of water flows out from the water outlet 8.

The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a difficult sewage treatment plant who blocks up, including oxidation ditch cell body, be equipped with the anaerobism district in the oxidation ditch cell body, the aeration zone, the air lift district, the sedimentation zone, be equipped with the water inlet on the anaerobism district, be equipped with out mud mouth and delivery port on the sedimentation zone, the anaerobism district, the aeration zone, air lift district, separate through the baffle between the sedimentation zone, be equipped with the opening that overflows usefulness on the baffle, the anaerobism district, the aeration zone, the sedimentation zone communicates in proper order and forms a hydrologic cycle, the packing has been arranged in anaerobism district and the aeration zone, the anaerobism district is equipped with the impeller, be equipped with air lifting device on the air lift district, its characterized in that, be equipped with the aeration component in the aeration zone, the baffle of arranging on the aeration support, baffle top or bottom are equipped with the barrier net, be separated into the ascending room and the descending room of alternate arrangement by the baffle in the aeration zone, ascending room and descending room are equipped with the aeration pipe of arranging on the aeration support through the barrier net intercommunication.

2. The sewage treatment device which is not easy to be blocked according to claim 1, wherein a baffle plate with an opening at the bottom is arranged in the sedimentation zone to divide the sedimentation zone into a sedimentation chamber and an inclined tube sedimentation chamber, and an inclined tube group is arranged in the inclined tube sedimentation chamber.

3. The sewage treatment apparatus of claim 2, wherein the inclined tube group is arranged with an upper and a lower groups, and the inclined tube diameter of the lower inclined tube group is larger than that of the upper inclined tube group.

4. The sewage treatment apparatus of claim 1, wherein a plurality of slots into which the gratings are inserted are provided in the anaerobic zone.

5. The sewage treatment device which is not easy to block according to claim 1, wherein the aeration bracket is provided with a plurality of lifting holes.