CN209940719U

CN209940719U - Landfill leachate oxidation treatment device

Info

Publication number: CN209940719U
Application number: CN201920276694.XU
Authority: CN
Inventors: 陆朝阳; 方艳芬; 戚祖恩; 刘金荣; 丁正芳
Original assignee: Wuhan Water Environment Polytron Technologies Inc; China Three Gorges University CTGU
Current assignee: Wuhan Water Environment Polytron Technologies Inc; China Three Gorges University CTGU
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-01-14
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a landfill leachate oxidation treatment device, which comprises a bracket and a motor, fixed mounting has the decoloration case on the support, the inside fixed mounting of decoloration case has the sepiolite filter screen, there is the oxidation jar bottom of decoloration case through the pipeline intercommunication, be provided with the lid on the oxidation jar, the lid rotates through sealed bearing and is connected with the stirring rake, the inside of oxidation jar is provided with micropore aeration pipe, one side intercommunication that the one end of micropore aeration pipe runs through the oxidation jar has the intake pipe, the one end intercommunication of intake pipe has ozone generator, there is the ultrasonic wave board that shakes in the inside of oxidation jar through connecting rod fixed mounting. The utility model discloses a this landfill leachate oxidation treatment device can decolor landfill leachate to can collect the result that produces after the oxidation treatment and avoid causing harm to the environment after discharging, can improve filtration liquid oxidation treatment efficiency simultaneously.

Description

Landfill leachate oxidation treatment device

Technical Field

The utility model belongs to the technical field of landfill leachate handles, concretely relates to landfill leachate oxidation treatment device.

Background

With the increase of urban population and the acceleration of urban construction in China, the matched domestic garbage treatment facilities for urban construction are bound to be kept up. By the end of 2014, more than 1500 urban domestic garbage landfill sites and more than 300 garbage incineration power plants are built in China, and a large amount of high-concentration organic leachate generated by both incineration plants and landfill sites is required to be treated and is required to be matched with the same amount of garbage leachate treatment facilities. In addition, the traditional landfill leachate treatment technology in China cannot meet the actual requirement along with the improvement of the national pollutant discharge standard; especially, the landfill leachate concentrated solution generated by nanofiltration and reverse osmosis in the traditional technology is not well solved at present, and a new environmental pollution problem is brought. Compared with the degree of domestic sewage treatment in cities in China, the degree of treatment of landfill leachate wastewater in China is relatively low, and although the scale is small, the market demand is large.

When the existing landfill leachate oxidation treatment device is used, leachate cannot be decolorized in advance, sewage after oxidation treatment is directly discharged without standing and filtering, products generated by oxidation treatment can flow into the outside, secondary pollution is caused, and the oxidation treatment process is relatively slow and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landfill leachate oxidation treatment device, through this landfill leachate oxidation treatment device, can carry out the decoloration to landfill leachate to can collect the result that produces after the oxidation treatment and avoid discharging the back and cause harm to the environment, can improve filtration liquid oxidation treatment efficiency simultaneously, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a landfill leachate oxidation treatment device, includes support and motor, fixed mounting has the case that takes off the colour on the support, the inside fixed mounting that takes off the colour case has the sepiolite filter screen, the bottom of the case that takes off the colour has the oxidation tank through the pipeline intercommunication, be provided with the lid on the oxidation tank, the lid rotates through sealed bearing and is connected with the stirring rake, the upper end fixed mounting of stirring rake is in the axis of rotation of motor, the motor passes through protection casing fixed mounting on the support, the inside of oxidation tank is provided with the micropore aeration pipe, one side intercommunication that the oxidation tank was run through to the one end of micropore aeration pipe has the intake pipe, the one end intercommunication of intake pipe has ozone generator, the inside of oxidation tank has the ultrasonic wave board that shakes through connecting rod fixed mounting, be provided with the ultrasonic generator who shakes the board with the ultrasonic wave and.

Preferably, the bottom of the oxidation tank is communicated with a drain pipe, and a valve is arranged on the drain pipe.

Preferably, a check valve is arranged on the air inlet pipe.

Preferably, one end of the drain pipe is communicated with a standing pool, and a water quality detection probe connected with a water quality detector is arranged in the standing pool.

Preferably, a filter screen is arranged at the water outlet of the standing pool.

Preferably, the wiring mouth that the ultrasonic wave shakes the board runs through in the inside wall of oxidation tank, the ultrasonic wave shakes the board and is provided with two sets ofly, and two sets of the ultrasonic wave shakes the board and is located the both sides of oxidation tank inner wall respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the leachate can be decolorized by using a sepiolite filter screen, and the oxidized leachate can be kept stand and precipitated by using a standing pool and matching with the filter screen, so that the leachate after oxidation treatment is prevented from carrying degradation products to be discharged and causing harm to the environment;

2. through motor and supersonic generator's cooperation use, can make stirring rake and ultrasonic wave shake the board and stir and vibrate the filtration liquid in to the oxidation tank and accelerate the reaction with ozone to can exterminate bacterium and virus, improve the treatment effeciency.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a side view of an oxidation canister of the present invention;

fig. 3 is a top view of the utility model of the decoloring box.

In the figure: the device comprises a support 1, a motor 2, a decolorizing box 3, a sepiolite filter screen 4, an oxidation tank 5, a cover 6, a stirring paddle 7, a protective cover 8, a microporous aeration pipe 9, an air inlet pipe 10, an ozone generator 11, an ultrasonic vibrating plate 12, an ultrasonic generator 13, a water outlet pipe 14, a valve 15, a check valve 16, a standing pool 17, a water quality detector 18 and a filter screen 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

Referring to fig. 1-3, the present invention provides a technical solution:

an oxidation treatment device for landfill leachate comprises a bracket 1 and a motor 2, wherein a decolorizing tank 3 is fixedly arranged on the bracket 1, a sepiolite filter screen 4 is fixedly arranged in the decolorizing box 3, the bottom of the decolorizing box 3 is communicated with an oxidation tank 5 through a pipeline, a cover body 6 is arranged on the oxidation tank 5, the cover body 6 is rotationally connected with a stirring paddle 7 through a sealed bearing, the upper end of the stirring paddle 7 is fixedly arranged on the rotating shaft of the motor 2, the motor 2 is fixedly arranged on the bracket 1 through the protective cover 8, a microporous aeration pipe 9 is arranged in the oxidation tank 5, one end of the microporous aeration pipe 9 penetrates through one side of the oxidation tank 5 and is communicated with an air inlet pipe 10, one end of the air inlet pipe 10 is communicated with an ozone generator 11, an ultrasonic vibration plate 12 is fixedly arranged in the oxidation tank 5 through a connecting rod, and an ultrasonic generator 13 connected with the ultrasonic vibration plate 12 is arranged on the support 1.

Furthermore, the bottom of the oxidation tank 5 is communicated with a drain pipe 14, and a valve 15 is arranged on the drain pipe 14, so that the normal operation of the oxidation process can be ensured.

Further, the air inlet pipe 10 is provided with a check valve 16, so that backflow of waste water can be avoided.

Further, the one end intercommunication of drain pipe 14 has the pond 17 of stewing, the inside of the pond 17 of stewing is provided with the water quality testing probe 18 of being connected with water quality testing appearance, can stew and detect the waste water after the oxidation to guarantee to discharge after reaching standard.

Further, a filter screen 19 is arranged at a drainage port of the standing pool 17, so that oxidized products can be prevented from being filtered, and the oxidized products and oxidized waste water are prevented from being discharged together.

Further, the wiring mouth of the ultrasonic wave board 12 that shakes runs through in the inside wall of oxidation tank 5, the ultrasonic wave board 12 that shakes is provided with two sets ofly, and two sets of the ultrasonic wave board 12 that shakes is located the both sides of 5 inner walls of oxidation tank respectively, can accelerate the degradation of ozone to filtration liquid for reaction rate.

The structure principle is as follows: the leachate can be decolorized by using the sepiolite filter screen 4, and the oxidized leachate can be kept stand and precipitated by using the standing tank 17 and matching with the filter screen 19, so that the leachate after oxidation treatment is prevented from carrying degradation products to be discharged and causing harm to the environment;

through the cooperation use of motor 2 and supersonic generator 13, can make stirring rake 7 and ultrasonic wave shake board 12 and stir and vibrate the infiltration liquid in to oxidation tank 5 and accelerate the reaction with ozone to can exterminate bacterium and virus, improve the treatment effeciency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a landfill leachate oxidation treatment device, includes support (1) and motor (2), its characterized in that: the device is characterized in that a decolorizing box (3) is fixedly mounted on a support (1), a sepiolite filter screen (4) is fixedly mounted inside the decolorizing box (3), the bottom of the decolorizing box (3) is communicated with an oxidation tank (5) through a pipeline, a cover body (6) is arranged on the oxidation tank (5), the cover body (6) is rotatably connected with a stirring paddle (7) through a sealed bearing, the upper end of the stirring paddle (7) is fixedly mounted on a rotating shaft of a motor (2), the motor (2) is fixedly mounted on the support (1) through a protective cover (8), a microporous aeration pipe (9) is arranged inside the oxidation tank (5), one end of the microporous aeration pipe (9) penetrates through one side of the oxidation tank (5) and is communicated with an air inlet pipe (10), one end of the air inlet pipe (10) is communicated with an ozone generator (11), and an ultrasonic vibration plate (12) is fixedly mounted inside the oxidation tank (5) through a connecting rod, the bracket (1) is provided with an ultrasonic generator (13) connected with the ultrasonic vibration plate (12).

2. An apparatus for the oxidative treatment of landfill leachate according to claim 1, wherein: the bottom of the oxidation tank (5) is communicated with a drain pipe (14), and a valve (15) is arranged on the drain pipe (14).

3. An apparatus for the oxidative treatment of landfill leachate according to claim 1, wherein: the air inlet pipe (10) is provided with a one-way valve (16).

4. An apparatus for the oxidative treatment of landfill leachate according to claim 2, wherein: one end of the drain pipe (14) is communicated with a standing pool (17), and a water quality detection probe (18) connected with a water quality detector is arranged in the standing pool (17).

5. An apparatus for the oxidative treatment of landfill leachate according to claim 4, wherein: and a filter screen (19) is arranged at the water outlet of the standing pool (17).

6. An apparatus for the oxidative treatment of landfill leachate according to claim 1, wherein: the wiring mouth that the ultrasonic wave shakes board (12) runs through in the inside wall of oxidation tank (5), the ultrasonic wave shakes board (12) and is provided with two sets ofly, and two sets of the ultrasonic wave shakes board (12) and is located the both sides of oxidation tank (5) inner wall respectively.