CN214880502U

CN214880502U - Ammonia nitrogen wastewater degradation device

Info

Publication number: CN214880502U
Application number: CN202120285986.7U
Authority: CN
Inventors: 沙德宏; 季乐; 吴佳; 许良城
Original assignee: JIANGSU HEHAI SUPPLY AND DRAINAGE WHOLE SET EQUIPMENT CO Ltd
Current assignee: JIANGSU HEHAI SUPPLY AND DRAINAGE WHOLE SET EQUIPMENT CO Ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-26
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to an ammonia nitrogen wastewater degradation ware, which comprises a housin, the inlet tube, go out the water takeover, the degradation part, the inlet tube inserts the casing by the top, the degradation part sets up in the casing from top to bottom, it connects out by the casing bottom to go out the water takeover, set up the clearance liquid stream groove from top to bottom in the casing of degradation part top, the water knockout drum, go up the water distributor, the degradation part is including the more than one degradation device that sets gradually from top to bottom, the bottom of every degradation device is equipped with the oxygenator, set up middle water knockout drum between two adjacent degradation devices, the water knockout drum sets up down in the casing of next degradation device below from top to bottom, empty cleaner, the water takeover is gone out in the casing of water cleaner below. The device has the advantages of simple structure, small occupied area, low use cost and high degradation rate.

Description

Ammonia nitrogen wastewater degradation device

Technical Field

The utility model relates to a water environment improvement field, concretely relates to ammonia nitrogen waste water degradation ware.

Background

Ammonia nitrogen wastewater is one of the main factors causing eutrophication of water bodies, the national requirements on the discharge index of the ammonia nitrogen wastewater are getting stricter in recent years, and the discharge index of the ammonia nitrogen wastewater is not more than 2.0 mg/l (class V) in the current surface water environmental quality standard (GB 3838-2002) of China. A plurality of scientific research units and workers carry out extensive research on the aspect of ammonia nitrogen wastewater treatment, the scope of the research relates to various treatment processes of a biological method, a physical and chemical method and a chemical method, the existing ammonia nitrogen wastewater treatment technologies comprise a biological denitrification method, an ammonia stripping method, a breakpoint chlorination method, a chemical precipitation method, an ion exchange method, a liquid membrane method, a soil irrigation method and the like, although the ammonia nitrogen wastewater treatment methods are many, the ammonia nitrogen wastewater treatment technologies have respective advantages and disadvantages, although the ammonia nitrogen wastewater treatment technologies can basically reach the specified discharge standard, some process technologies have the problems of long flow, large floor area, high treatment cost and the like, and some process technologies bring secondary pollution while treating ammonia nitrogen in wastewater. At present, no equipment and method for treating ammonia nitrogen wastewater, which can be efficient, economic and stable, exist.

Disclosure of Invention

In order to solve the problems of long flow, large occupied area, high treatment cost and the like in the existing ammonia nitrogen wastewater degradation technology, the invention provides the ammonia nitrogen wastewater degradation device which is simple in structure, small in occupied area, low in use cost and high in degradation rate.

The utility model adopts the technical proposal that: the utility model provides an ammonia nitrogen wastewater degradation ware, includes casing, inlet tube, play water takeover, degradation part, and the inlet tube inserts the casing by the top, and degradation part sets up in the casing from top to bottom, and it connects out its characterized in that by the casing bottom to go out the water takeover: the upper part and the lower part of the shell above the degradation part are provided with a cleaning liquid flow groove, a water separator and an upper water distributor, the degradation device comprises more than one degradation device which is sequentially arranged from top to bottom, the bottom of each degradation device is provided with an oxygenator, a middle water distributor is arranged between two adjacent degradation devices, the lower part and the upper part of the shell below the lowest degradation device are provided with a lower water distributor, an air cleaner and a water cleaner, and a water outlet connecting pipe is connected in the shell below the water cleaner.

Furthermore, the water outlet connecting pipe is connected out from the position where the bottom is raised above the water separator.

Furthermore, an internal circulation connecting pipe and a drain port are externally connected to the shell below the water purifier.

Furthermore, a manhole and an inspection connecting pipe are arranged on the side wall of the shell corresponding to each degradation device.

Furthermore, a ladder stand is arranged on the inner wall of the side wall of the shell corresponding to each degradation device.

Furthermore, the air cleaner, the water cleaner and the oxygenator are of tubular structures with a plurality of holes which are upward and/or sideward, and are all connected with the outside of the side wall of the shell body to form interfaces or connecting pipes.

Furthermore, a manhole is arranged on the side wall of the shell below the lowest degradation device.

Furthermore, a sampling connecting pipe is arranged on the side wall of the shell between the oxygenator of the first degradation device and the middle water distributor below the oxygenator.

Furthermore, the cleaning fluid flow groove is of an upper opening groove-shaped structure and is connected out of the side wall of the shell, and a connector or a connecting pipe is arranged on the outer side of the side wall of the shell.

Furthermore, the degradation device comprises a biological synthetic material framework and biological degradation units, wherein the biological degradation units are uniformly distributed on the biological synthetic material framework.

When the device is used, ammonia nitrogen wastewater is sent to a water inlet pipe, enters a water separator, flows out of an upper water distributor through uniformly distributed outlet holes on the water separator, flows through a degradation device uniformly in a shell through the upper water distributor, in the ammonia nitrogen degradation process, oxygen is connected with the ammonia nitrogen wastewater flowing through an interface on the side wall of the shell through an oxygenator for oxygen diffusion, continuously supplements energy required by the degradation of the ammonia nitrogen wastewater, and water after ammonia nitrogen is sequentially degraded by a plurality of lower oxygenators of the degradation device and a lower middle water distributor and removed uniformly flows out of a lower water distributor, enters a water outlet connecting pipe and is finally discharged from the water outlet connecting pipe.

After a certain period of operation, when the activity of the biodegradation unit of the degradation device is reduced, the surface of the degradation device needs to be cleaned, air is firstly used for connecting the air cleaner through the air cleaner connecting pipe, impurities accumulated on the surface of the degradation device are swept by the air, the impurities are separated from the surface of the degradation device and then connected with the water cleaner through the water cleaner connecting pipe, and cleaning liquid after being cleaned by the water coming out of the water cleaner overflows to the cleaning liquid flow groove and is discharged to a subsequent treatment process through the cleaning liquid discharge port.

The sampling connecting pipe arranged in the middle of the shell can extract internal water sample analysis according to operation requirements, and operation indexes can be adjusted conveniently in time.

The drain port, the inspection connecting pipe, the manhole and the internal ladder stand on the shell are convenient for daily or regular maintenance and overhaul.

The inner circulation connecting pipe arranged on the shell is mainly used for self-circulation of water inside the equipment after the external water supply is stopped by means of the external pump source, so that the degradation performance in the equipment is not influenced.

After the technical scheme is adopted, the invention has the beneficial effects that:

1. the oxygenator is arranged below the degradation device in the shell, the ammonia nitrogen wastewater and the oxygen form convection, the ammonia nitrogen wastewater and the oxygen are uniformly contacted, the oxygenation is sufficient, the degradation of the ammonia nitrogen wastewater is stable and efficient, and the phenomenon of uneven or insufficient oxygenation is overcome.

2. Ammonia nitrogen wastewater enters from the top through the water inlet pipe, flows by gravity, does not need power, and reduces the operation energy consumption.

4. Ammonia nitrogen wastewater enters from a water inlet pipe at the top of the equipment, is discharged from the upper part of a water outlet connecting pipe at the side surface after degradation, does not worry about the emptying of water in the equipment during operation, does not need artificial adjustment, and is simple and convenient to operate.

5. The degradation device is a combination of a plurality of biodegradation units, when ammonia nitrogen wastewater flows through, ammonia nitrogen in the ammonia nitrogen wastewater is rapidly degraded by activated organisms, no medicament is required to be added, and no secondary pollution is caused.

6. The operation cycle is long, the frequency of use of the air cleaner and the water cleaner is low, the energy consumption is low, and the cleaned sundries are less.

Drawings

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

FIG. 2 is a top view of FIG. 1;

fig. 3 is a left side view of fig. 1.

In the figure: the device comprises a shell 1, a water inlet pipe 2, a water separator 3, an upper water distributor 4, a first oxygenator 5, a middle water distributor 6, a second oxygenator 7, a lower water distributor 8, an air cleaner 9, a water cleaner 10, a water outlet connecting pipe 11, a water outlet connecting pipe 12, a cleaning liquid flowing groove 13, a cleaning liquid discharging port 14, a first oxygenator connecting pipe 15, a second oxygenator connecting pipe 16, an air cleaner connecting pipe 17, a water cleaner connecting pipe 18, an internal circulation connecting pipe 19, a discharging port 20, a sampling connecting pipe 21, a first inspection connecting pipe 22, a second inspection connecting pipe 23, a first manhole 24, a second manhole 25, a third manhole 26, an internal ladder 27 and a degradation device 28.

Detailed Description

The invention is further illustrated by the following figures and examples.

Fig. 1, 2 and 3 show: an ammonia nitrogen wastewater degradation device comprises a shell 1, a water inlet pipe 2, a water separator 3, an upper water distributor 4, a first oxygenator 5, a middle water distributor 6, a second oxygenator 7, a lower water distributor 8, an air cleaner 9, a water cleaner 10, a water outlet connecting pipe 11, a water outlet connecting pipe 12, a cleaning liquid flow groove 13, a cleaning liquid discharge port 14, a first oxygenator connecting pipe 15, a second oxygenator connecting pipe 16, an air cleaner connecting pipe 17, a water cleaner connecting pipe 18, an internal circulation connecting pipe 19, a discharge port 20, a sampling connecting pipe 21, a first inspection connecting pipe 22, a second inspection connecting pipe 23, a first manhole 24, a second manhole 25, a third manhole 26, an internal ladder 27 and a degradation device 28. The water inlet pipe 2 is connected into the shell 1 from the top, two degradation devices 28 of the degradation part are arranged in the shell 1 from top to bottom, a cleaning liquid flow groove 13, a water separator 3 and an upper water distributor 4 are arranged in the shell above the degradation part from top to bottom, the cleaning liquid flow groove 13 is of an upper opening groove-shaped structure and is connected out of the side wall of the shell and provided with a cleaning liquid discharge port 14, a header pipe of the water separator 3 vertically enters water and is horizontally provided with a plurality of branch pipes which are uniformly distributed downwards to form a hole for water separation, and a flat plate with uniform distribution holes at the stern of the upper water distributor 14 is used for downward water distribution; the bottoms of the upper degradation device 28 and the lower degradation device 28 are respectively provided with a first oxygenator 5 and a second oxygenator 7, the first oxygenator 5 and the second oxygenator 7 are externally connected with a first oxygenator connecting pipe 15 of the shell, a second oxygenator connecting pipe 16, a middle water distributor 6 is arranged between the two degradation devices, a lower water distributor 8, an air cleaner 9 and a water cleaner 10 are arranged in the shell below the lower degradation device from top to bottom, a water outlet connecting pipe 12 is connected in the shell below the water cleaner 10, and the water outlet connecting pipe is connected out from the position of the water separator which is raised from the bottom; the shell under the water cleaner is externally connected with an internal circulation connecting pipe 19 and a drain port 20.

In order to facilitate maintenance and monitoring, a first manhole 24, a second manhole 25 and a third manhole 26 are respectively arranged on the two degradation devices and the side wall of the shell at the lower part of the two degradation devices, and a first inspection connecting pipe 22 and a second inspection connecting pipe 23 are arranged on the side wall corresponding to the two degradation devices. A sampling connecting pipe 21 is arranged on the side wall of the shell between the oxygenator of the first degradation device and the middle water distributor below the oxygenator. Meanwhile, an inner ladder stand 27 is arranged on the inner wall of the side wall of the shell corresponding to each degradation device.

In the embodiment, the first oxygenator and the second oxygenator are formed by installing oxygen diffusion nozzles which are uniformly distributed upwards on a square pipeline and are connected with the first oxygenator connecting pipe and the second oxygenator connecting pipe on the side wall of the shell; the air cleaner 9 comprises a plurality of pipelines, air holes are horizontally and uniformly distributed on two side surfaces of each pipeline, and an air cleaner connecting pipe 17 is connected to the side wall of the shell and is arranged below the lower water distributor; the water cleaner 10 comprises a plurality of pipelines, water holes are horizontally and uniformly distributed on two side surfaces of each pipeline, and water cleaner connecting pipes 18 are connected to the side wall of the shell and are arranged below the air cleaner. The tubular structure is a conventional structure for air and water supply, and is not described in detail in the present embodiment and the accompanying drawings.

In this embodiment, the degradation device 28 includes a framework of a bio-synthetic material and biodegradable units uniformly distributed on the framework of the bio-synthetic material. This type of biodegradation device belongs to the prior art and will not be described in detail in this embodiment.

On the basis of the embodiment, four corners of the shell can be in arc transition, the equipment has no dead angle, and the largest sectional area can be obtained in the same occupied area, so that the degradation capacity of the equipment on the ammonia nitrogen wastewater is maximized. And all the holes and the connecting pipes on the shell are arranged on the same side surface, so that the occupied space for pipeline installation is reduced, and the occupied area is correspondingly reduced.

Claims

1. The utility model provides an ammonia nitrogen wastewater degradation ware, includes casing, inlet tube, play water takeover, degradation part, and the inlet tube inserts the casing by the top, and degradation part sets up in the casing from top to bottom, and it connects out its characterized in that by the casing bottom to go out the water takeover: the upper part and the lower part of the shell above the degradation part are provided with a cleaning liquid flow groove, a water separator and an upper water distributor, the degradation part comprises more than one degradation device which is sequentially arranged from top to bottom, the bottom of each degradation device is provided with an oxygenator, a middle water distributor is arranged between two adjacent degradation devices, the lower part and the upper part of the shell below the lowest degradation device are provided with a lower water distributor, an air cleaner and a water cleaner, and a water outlet connecting pipe is connected in the shell below the water cleaner.

2. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: the water outlet connecting pipe is connected out from the position where the bottom is raised higher than the water separator.

3. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: the shell below the water cleaner is externally connected with an internal circulation connecting pipe and a drain port.

4. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: and a manhole and an inspection connecting pipe are arranged on the side wall of the shell corresponding to each degradation device.

5. The ammonia nitrogen wastewater degradation device of claim 1 or 2, which is characterized in that: and a ladder stand is arranged on the inner wall of the side wall of the shell corresponding to each degradation device.

6. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: the air cleaner, the water cleaner and the oxygenator are of tubular structures with a plurality of holes which are upward and/or sideward, and are all connected with the outside of the side wall of the shell to form interfaces or connecting pipes.

7. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: and a manhole is arranged on the side wall of the shell below the lowest degradation device.

8. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: a sampling connecting pipe is arranged on the side wall of the shell between the oxygenator of the first degradation device and the middle water distributor below the oxygenator.

9. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: the cleaning liquid flow groove is of an upper opening groove-shaped structure and is connected out of the side wall of the shell, and a connector or a connecting pipe is arranged on the outer side of the side wall of the shell.

10. The ammonia nitrogen wastewater degradation device of claim 1, which is characterized in that: the degradation device comprises a biological synthetic material framework and biological degradation units, wherein the biological degradation units are uniformly distributed on the biological synthetic material framework.