CN211644771U

CN211644771U - Tropical rural domestic sewage treatment device

Info

Publication number: CN211644771U
Application number: CN201922062491.3U
Authority: CN
Inventors: 董力力; 王建; 姜清松; 陆明锋
Original assignee: Hainan Dongda Environmental Protection Engineering Equipment Co ltd
Current assignee: Hainan Dongda Environmental Protection Engineering Equipment Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-10-09
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a sewage treatment device, in particular to a household sewage treatment device for tropical rural areas; the anaerobic and anoxic synchronous nitrogen and phosphorus removal tank comprises a tank body, wherein the tank body is isolated into a pre-anoxic zone, an anaerobic zone, an anoxic zone, an aerobic zone and a precipitation zone by a first partition plate, a second partition plate, a third partition plate, a fourth partition plate and a fifth partition plate, the front end and the rear end of the tank body are respectively provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the pre-anoxic zone, the pre-anoxic zone is communicated with the anaerobic zone, the anaerobic zone is communicated with the anoxic zone, the anoxic zone is communicated with the aerobic zone, the aerobic zone is communicated with the precipitation zone, and the precipitation zone is communicated with the water outlet pipe; under the condition of anaerobic (anoxic) and aerobic alternate operation, filamentous bacteria can not be greatly proliferated, filamentous expansion of sludge is not easy to occur, the sludge contains high phosphorus, and the fertilizer efficiency is higher; the operation does not need to input medicaments, the whole process usually only needs to maintain the electric power of the aeration blower, and the cost is low.

Description

Tropical rural domestic sewage treatment device

Technical Field

The utility model relates to a sewage treatment ware, especially a rural domestic sewage treatment ware in tropical zone.

Background

Domestic sewage treatment ware extensively applies to rural family, and current three format septic tank (domestic sewage treatment ware), the treater casing is interior to be divided into equalizing basin, anaerobism pond, sedimentation tank by the baffle in proper order, connects the purification tank by the connecting pipe, like the picture 1 of the utility model patent of the publication number of granting for CN 202558741U. For another example, the utility model with publication number CN 204298214U is granted.

The long-term anaerobic fermentation leads filamentous bacteria in the sludge to be propagated in a large quantity and the sludge to be easy to generate filamentous expansion.

Disclosure of Invention

The utility model provides a domestic sewage treatment ware that possesses anaerobic treatment, aerobic treatment and deposit to the not enough of prior art, its power consumption is less, does not set up any heater block, the filamentous expanded emergence of reducible mud.

The technical scheme of the utility model is that:

the utility model provides a tropical rural domestic sewage treatment ware, it includes the jar body, separates into pre-anoxic zone, anaerobic zone, anoxic zone, aerobic zone and settling zone through first baffle, second baffle, third baffle, fourth baffle and fifth baffle in the jar body, jar body front and back end is provided with inlet tube and outlet pipe respectively, and the inlet tube communicates pre-anoxic zone, and pre-anoxic zone communicates anaerobic zone, and anaerobic zone communicates anoxic zone, and anoxic zone communicates aerobic zone, and aerobic zone communicates settling zone, and settling zone communicates the outlet pipe, and wherein anaerobic zone intussuseption is filled with the anaerobism biological filler, and anoxic zone intussuseption is filled with the anaerobism biological filler, and aerobic zone is filled with the aerobe biological filler.

1. The anaerobic reaction has the main functions of releasing phosphorus and ammoniating partial organic matters;

2. anoxic reaction, the primary function is denitrification;

3. aerobic reaction, which is equivalent to an aeration tank, the reaction unit is multifunctional, and BOD removal, nitrification, phosphorus absorption and the like are carried out at the reaction unit;

4. and precipitating to separate sludge and water, and discharging supernatant as treated water.

Specifically, third baffle and fifth baffle parallel arrangement, the perpendicular welding of second baffle is in the middle part of the third baffle, and first baffle and fourth baffle are the front end and connect a jar body front end inner wall, and the front end of rear end welding second baffle, the interstitial space between first baffle and the fourth baffle is anoxic zone in advance, installs the grid on the first baffle and on the position of intercommunication anaerobic zone for filter great foreign matter.

Specifically, the second partition plate is provided with a reserved port communicated with the anaerobic zone and the anoxic zone, the third partition plate is provided with a reserved port communicated with the anoxic zone and the aerobic zone, and the fifth partition plate is provided with a reserved port communicated with the aerobic zone and the settling zone.

It is specific, jar body top surface has seted up first inspection socket on the position that just corresponds first baffle, second baffle and fourth baffle intersection, is convenient for look over the sewage condition in three district simultaneously, jar body top surface has seted up the second inspection socket on the position that just corresponds the aerobic zone, and two inspection sockets all are provided with the apron.

Specifically, install the aeration air-blower on jar body top surface and the position that corresponds the aerobic zone, the air outlet of aeration air-blower stretches into the aerobic zone in the jar body. Used for blowing air into the aerobic zone and improving the activity of the aerobic biological filler.

In a modified embodiment, a lift pump is installed at the bottom of the settling zone and is communicated with the anaerobic zone through a pipeline to realize sludge backflow; the bottom of the aerobic zone is provided with a circulating pump (also can use a lift pump), and the circulating pump is communicated with the anoxic zone through a pipeline to realize the backflow of mixed liquid.

The utility model has the advantages that: the simple synchronous nitrogen and phosphorus removal process is realized through pre-anoxic, anaerobic, anoxic and aerobic treatment; under the condition of anaerobic (anoxic) and aerobic alternate operation, filamentous bacteria can not proliferate in large quantity, sludge filamentous expansion is not easy to occur, and the SVI value is generally less than 100; the sludge contains high phosphorus and has higher fertilizer efficiency; the operation does not need to input medicaments, the whole process usually only needs to maintain the electric power of the aeration blower, and the cost is low.

Drawings

Fig. 1 is a schematic structural view (top view) of the present invention.

In the figure, 1, a tank body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a pre-anoxic zone; 5. an anaerobic zone; 6. an anoxic zone; 7. an aerobic zone; 8. a settling zone; 41. a first separator; 42. a grid; 43. a second separator; 51. anaerobic biological filler; 52. a first inspection opening; 53. a third partition plate; 61. anoxic biological fillers; 62. a fourth separator; 71. aerobic biological filler; 72. an aeration blower; 73. a fifth partition plate; 74. and a second inspection opening.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

example 1

As shown in fig. 1, the domestic sewage treatment device for tropical rural areas comprises a tank body 1, wherein the tank body 1 is internally partitioned into a pre-anoxic zone 4, an anaerobic zone 5, an anoxic zone 6, an aerobic zone 7 and a settling zone 8 by a first partition plate 41, a second partition plate 43, a third partition plate 53, a fourth partition plate 62 and a fifth partition plate 73, the front end and the rear end of the tank body 1 are respectively provided with a water inlet pipe 2 and a water outlet pipe 3, the water inlet pipe 2 is communicated with the pre-anoxic zone 4, the pre-anoxic zone 4 is communicated with the anaerobic zone 5, the anaerobic zone 5 is communicated with the anoxic zone 6, the anoxic zone 6 is communicated with the aerobic zone 7, the aerobic zone 7 is communicated with the settling zone 8, the settling zone 8 is communicated with the water outlet pipe 3, wherein the anaerobic zone 5 is filled with anaerobic biological filler 51, the anoxic zone 6 is filled with anaerobic biological filler 61, and the aerobic zone 7 is filled with aerobic biological.

Third baffle 53 and fifth baffle 73 parallel arrangement, second baffle 43 vertical welding is in third baffle 53 middle part, and first baffle 41 and fourth baffle 62 are the front end and connect jar body 1 front end inner wall, and the front end of rear end welding second baffle 43, and the interstitial space between first baffle 41 and the fourth baffle 62 is anoxic zone 4 in advance, installs grid 42 on first baffle 41 and on the position of intercommunication anaerobic zone 5 for filter great foreign matter.

The second partition plate 43 is provided with a reserved port communicated with the anaerobic zone 5 and the anoxic zone 6, the third partition plate 53 is provided with a reserved port communicated with the anoxic zone 6 and the aerobic zone 7, and the fifth partition plate 73 is provided with a reserved port communicated with the aerobic zone 7 and the sedimentation zone 8.

First inspection opening 52 has been seted up on the position of jar body 1 top surface and corresponding first baffle 41, second baffle 43 and fourth baffle 62 intersection, is convenient for look over the sewage condition in three district simultaneously, jar body 1 top surface has been seted up second inspection opening 74 on the position of corresponding aerobic zone 7, and two inspection openings all are provided with the apron.

An aeration blower 72 is arranged on the top surface of the tank body 1 and at a position corresponding to the aerobic zone 7, and an air outlet of the aeration blower 72 extends into the aerobic zone 7 in the tank body 1. For blowing air into the aerobic zone 7 to increase the activity of the aerobic bio-filler 71.

Example 2

A lifting pump is arranged at the bottom of the settling zone and is communicated with the anaerobic zone through a pipeline to realize sludge backflow; the bottom of the aerobic zone is provided with a circulating pump (also can use a lift pump), and the circulating pump is communicated with the anoxic zone through a pipeline to realize the backflow of mixed liquid.

The other structure is the same as embodiment 1.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. A household domestic sewage treatment device for tropical rural areas comprises a tank body and is characterized in that the tank body is isolated into a pre-anoxic zone, an anaerobic zone, an anoxic zone, an aerobic zone and a precipitation zone through a first partition plate, a second partition plate, a third partition plate, a fourth partition plate and a fifth partition plate, the front end and the rear end of the tank body are respectively provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the pre-anoxic zone, the pre-anoxic zone is communicated with the anaerobic zone, the anaerobic zone is communicated with the anoxic zone, the anoxic zone is communicated with the aerobic zone, the aerobic zone is communicated with the precipitation zone, the precipitation zone is communicated with the water outlet pipe, anaerobic biological fillers are filled in the anaerobic zone, anoxic biological fillers are filled in the anoxic zone, and aerobic biological fillers are filled in the aerobic zone.

2. The treater of domestic sewage in tropical rural area according to claim 1, characterized in that: third baffle and fifth baffle parallel arrangement, second baffle vertical welding are in the middle part of the third baffle, and first baffle and fourth baffle are the front end and connect a jar body front end inner wall, and the front end of rear end welding second baffle, the clearance space between first baffle and the fourth baffle be the anoxic zone in advance, install the grid on the first baffle and on the position of intercommunication anaerobic zone.

3. The treater of domestic sewage in tropical rural area according to claim 2, characterized in that: the second partition plate is provided with a reserved port communicated with the anaerobic zone and the anoxic zone, the third partition plate is provided with a reserved port communicated with the anoxic zone and the aerobic zone, and the fifth partition plate is provided with a reserved port communicated with the aerobic zone and the sedimentation zone.

4. A processor of domestic sewage in tropical rural areas according to claim 3, characterized in that: jar body top surface has seted up first inspection mouth on the position that just corresponds first baffle, second baffle and fourth baffle intersection, jar body top surface has seted up the second inspection mouth on the position that just corresponds the aerobic zone, and two inspection mouths all are provided with the apron.

5. The treater of domestic sewage in tropical rural area according to claim 4, characterized in that: the aeration blower is arranged on the top surface of the tank body and corresponds to the aerobic zone, and the air outlet of the aeration blower extends into the aerobic zone in the tank body.

6. The treater of domestic sewage in tropical rural area according to claim 5, characterized in that: the anaerobic treatment device is characterized in that a lifting pump is installed at the bottom of the settling zone and communicated with the anaerobic zone through a pipeline, and a circulating pump is arranged at the bottom of the aerobic zone and communicated with the anoxic zone through a pipeline.