CN216472583U - Landfill leachate pretreatment device - Google Patents

Abstract

The application provides landfill leachate preprocessing device belongs to sewage treatment technical field. This landfill leachate preprocessing device includes filtering component and preprocessing subassembly, filtering component includes box, filter screen, electric putter, scraper blade, curb plate and feeder hopper, the filter screen slope set up in the box, preprocessing subassembly includes stirring frame, motor, ozone generator, air duct and drain pipe, through setting up box, filter screen, electric putter, scraper blade, curb plate and feeder hopper, can filter the landfill leachate who lets in, and filtrating gets into the bottom in the box, is left on the filter screen, utilizes electric putter to promote the curb plate with donkey miscellaneous from the curb plate department opening of box one side and releases, through setting up stirring frame, motor, ozone generator, air duct and drain pipe, can let in the sampling and carry out the oxidation sterilization to filtrating to utilize the stirring frame to stir and make filtrating and ozone intensive mixing oxidation.

Description

Landfill leachate pretreatment device

technical field

The present application relates to the field of sewage treatment, in particular, to a landfill leachate pretreatment device.

Background technique

The treatment of landfill leachate has always been a very difficult problem in the design, operation and management of landfills. Leachate is the product of the gravity flow of liquid in the landfill. Landfill leachate is a kind of high-concentration organic wastewater with complex components. Direct discharge into the environment after treatment will cause serious environmental pollution. Therefore, in order to protect the environment, it is essential to treat the leachate. Before electrolytic oxidation of the landfill leachate, pretreatment is an important part of the treatment process. ring.

The existing landfill leachate treatment device is difficult to effectively treat the waste contained in the leachate. However, the direct treatment of landfill leachate with high ammonia nitrogen concentration, complex composition and large water quality changes will increase the difficulty of treatment and pollute the environment.

Utility model content

In order to make up for the above deficiencies, the present application provides a landfill leachate pretreatment device, which aims to improve the problems mentioned in the above background art.

The embodiments of the present application provide a landfill leachate pretreatment device including a filter assembly and a pretreatment assembly.

The filter assembly includes a box body, a filter screen, an electric push rod, a scraper, a side plate and a feeding hopper. The filter screen is obliquely arranged in the box body, and the electric push rod is installed on one side of the box body. , the scraper is arranged on the movable end of the electric push rod, the scraper is attached to the filter screen, the side plate is rotatably arranged on one side of the box body, and the feeding hopper is communicated and arranged on the top of the box.

The pretreatment assembly includes a stirring frame, a motor, an ozone generator, an air duct and a drainage pipe, the stirring frame is rotatably arranged at the bottom of the box body, the motor is installed at the bottom of the box body, and the output end of the motor The transmission is connected to the stirring frame, the ozone generator is installed on the outside of the box body, one end of the air guide pipe is connected to the ozone generator, and the other end of the air guide pipe is connected to the bottom of one side of the box body, The drain pipe is communicated and arranged at the bottom of the box.

In the above implementation process, by setting the box body, filter screen, electric push rod, scraper, side plate and feeding hopper, the incoming landfill leachate can be filtered, and the filtrate enters the bottom of the box body and is retained on the filter screen. , use the electric push rod to push the scraper to push the donkey out from the opening of the side plate on one side of the box. By setting up a stirring frame, a motor, an ozone generator, an air duct and a drain pipe, the filtrate can be sampled for oxidation and sterilization treatment. , and use a stirring frame to stir the filtrate and ozone to fully mix and oxidize.

In a specific embodiment, the stirring frame includes a rotating shaft and a stirring paddle, the rotating shaft is rotatably arranged in the stirring frame, and the stirring paddle is arranged on the surface of the rotating shaft.

In the above implementation process, by starting the motor, the motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring paddle to stir the filtrate to fully mix with the ozone.

In a specific embodiment, a gas treatment assembly is also included, the gas treatment assembly includes an air extractor, an air intake pipe and an air filter box, the air extractor is installed on the top of the box body, and the air intake pipe is arranged At the top of the box body, the air intake pipe is connected to the air intake end of the air extractor, the air filter box is installed on the top of the box body, the air outlet end of the air extractor is connected to the air filter box, and the air filter box is connected to the air filter box. An air outlet pipe is communicated and arranged on one side of the air filter box.

In a specific embodiment, an activated carbon mesh is arranged in the air filter box, and the activated carbon mesh is located between the intake end of the air extractor and the air outlet pipe.

In the above implementation process, the peculiar smell in the gas in the landfill leachate treatment process is treated and discharged, thereby reducing air pollution and improving practicability.

In a specific embodiment, one end of the air inlet pipe extends into the box body and is communicated with a gas collecting hood.

In the above implementation process, by setting the gas collecting hood, it is beneficial to suction gas.

In a specific embodiment, a reinforcement rod is provided outside the box body, and the electric push rod is fixedly connected to one side of the reinforcement rod.

In the above implementation process, by setting the reinforcement rod, the electric push rod installed obliquely can be reinforced.

In a specific embodiment, a groove plate is arranged on the outside of the box body, and the ozone generator is arranged in the groove plate.

In a specific embodiment, a valve is provided in communication with the air conduit, and a solenoid valve is provided at one end of the drain pipe.

In the above realization process, it is used to control the introduction of ozone and the discharge of filtrate.

In a specific embodiment, a reinforcing rib is provided on the outer side of the motor, and the reinforcing rib is fixedly connected to the box body.

In the above implementation process, the firmness of the motor installation is enhanced by setting the reinforcing ribs.

In a specific embodiment, the bottom of the box body is provided with a support leg, and the bottom of the support leg is provided with a cushion block.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a landfill leachate pretreatment device provided by an embodiment of the present application;

2 is a schematic structural diagram of a filter assembly provided by an embodiment of the present application;

3 is a schematic structural diagram of a preprocessing component provided by an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a gas processing assembly provided by an embodiment of the present application.

In the figure: 100-filter assembly; 110-box body; 112-reinforced rod; 113-groove plate; 120-filter screen; 130-electric push rod; 140-scraper; 150-side plate; 160-feed hopper; 170-support leg; 200-pretreatment assembly; 210-stirring frame; 211-rotating shaft; 212-stirring paddle; 220-motor; 221-strengthening rib; 240-ozone generator; 250-air duct; 260-drain pipe; 261-solenoid valve; 300-gas treatment components; 310-extractor; 320-intake pipe; 321-gas collecting hood; 330-air filter box; 331-activated carbon mesh; 340-outlet pipe.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments This is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Referring to FIGS. 1-4 , the present application provides a landfill leachate pretreatment device including a filter assembly 100 and a pretreatment assembly 200 .

Please refer to FIG. 1 , the filter assembly 100 includes a box body 110 , a filter screen 120 , an electric push rod 130 , a scraper 140 , a side plate 150 and a feeding hopper 160 , the filter screen 120 is disposed in the box body 110 obliquely, and the filter screen 120 is bolted Connected or welded to the box body 110, the electric push rod 130 is installed on one side of the box body 110, the electric push rod 130 is bolted or welded to the box body 110, the scraper 140 is arranged on the movable end of the electric push rod 130, and the scraper 140 is fitted The filter screen 120 and the side plate 150 are rotatably arranged on one side of the box body 110. A waste discharge port is provided on the side of the box body 110 for rotating and installing the side plate 150. When the filter residue is discharged, the side plate 150 can be opened by turning and opening the waste discharge port. For discharge, the side plate 150 and the box body 110 are also connected by locks, and the feeding hopper 160 is communicated and arranged on the top of the box body 110. Specifically, the bottom of the box body 110 is provided with support legs 170, and the box body 110 is bolted or welded with supports The legs 170 and the bottom of the supporting legs 170 are provided with cushion blocks.

In this embodiment, a reinforcement rod 112 is provided on the outside of the box body 110 , the box body 110 is integrally formed with the reinforcement rod 112 , and the electric push rod 130 is fixedly connected to one side of the reinforcement rod 112 . Putter 130.

1, 2 and 3, the pretreatment assembly 200 includes a stirring frame 210, a motor 220, an ozone generator 240, an air duct 250 and a drain pipe 260. The stirring frame 210 is rotatably disposed at the bottom of the box body 110, and the motor 220 is installed on the At the bottom of the box body 110, the motor 220 is bolted or welded to the box body 110, the output end of the motor 220 is driven and connected to the stirring frame 210, and the ozone generator 240 is installed on the outer side of the box body 110. Specifically, the outer side of the box body 110 is provided with a groove plate 113 , the box body 110 is bolted or welded with the groove plate 113, the ozone generator 240 is arranged in the groove plate 113, one end of the air guide pipe 250 is connected to the ozone generator 240, and the other end of the air guide pipe 250 is connected to the bottom of one side of the box body 110, and drains the water. The pipe 260 is connected to the bottom of the box 110. It should be noted that the air guide pipe 250 is connected with a valve, and one end of the drain pipe 260 is provided with a solenoid valve 261 for controlling the introduction of ozone and the discharge of filtrate.

In this embodiment, the stirring frame 210 includes a rotating shaft 211 and a stirring paddle 212 , the rotating shaft 211 is rotatably arranged in the stirring frame 210 , the stirring paddle 212 is arranged on the surface of the rotating shaft 211 , and the stirring paddle 212 is bolted or welded to the rotating shaft 211 . , the motor 220 drives the rotating shaft 211 to rotate, and the rotating shaft 211 drives the stirring paddle 212 to stir the filtrate to fully mix with ozone.

In this embodiment, a reinforcing rib 221 is provided outside the motor 220 , the reinforcing rib 221 is fixedly connected to the box body 110 , and the reinforcing rib 221 is bolted or welded to the box body 110 .

1 and 4 , the landfill leachate pretreatment device further includes a gas treatment assembly 300 . The gas treatment assembly 300 includes an air extractor 310 , an air intake pipe 320 and an air filter box 330 , and the air extractor 310 is installed on the top of the box body 110 . , the air extractor 310 is bolted or welded to the box body 110, the air intake pipe 320 is arranged on the top of the box body 110, the air intake pipe 320 is bolted or screwed to the box body 110, and the air intake pipe 320 is connected to the air intake end of the air extractor 310, The air filter box 330 is installed on the top of the box body 110, the air filter box 330 is bolted or welded to the box body 110, the air outlet end of the air extractor 310 is connected to the air filter box 330, and an air outlet pipe 340 is connected to one side of the air filter box 330. Yes, the air filter box 330 is provided with an activated carbon mesh 331, and the activated carbon mesh 331 is located between the intake end of the air extractor 310 and the air outlet pipe 340. , the peculiar smell in the gas in the landfill leachate treatment process is treated and discharged, reducing air pollution and improving practicability.

In this embodiment, one end of the air inlet pipe 320 extends into the box body 110 and is provided with a gas collecting cover 321 in communication with each other. By setting the gas collecting cover 321, it is beneficial to suction gas.

The working principle of the landfill leachate pretreatment device: when in use, the landfill leachate is poured into the box body 110 through the feeding hopper 160 , the filter residue in the landfill leachate is filtered by the filter screen 120 , and the filtrate enters the filtrate and enters the box body 110 At the bottom, the motor 220 and the ozone generator 240 are started at the same time, and the ozone generator 240 injects ozone into the bottom filtrate in the box 110 through the air guide 250, thereby oxidizing the substances in the landfill leachate and reducing the environmental pollution caused by subsequent discharges. Rotate and open the side plate 150, the filter residue on the filter screen 120 can be activated by the electric push rod 130, the electric push rod 130 pushes the scraper 140 to move, the scraper 140 discharges the filter residue through the waste discharge port at the side plate 150, and the motor 220 drives the rotating shaft 211 rotates, and the rotating shaft 211 drives the stirring paddle 212 to stir the filtrate to fully mix with ozone to enhance the oxidation effect of the landfill leachate. At the same time, the air extractor 310 can be started, and the air extractor 310 can suck the box 110 through the air collecting cover 321 and the air intake pipe 320. The odorous gas inside is sent into the air filter box 330, and the odorous gas is discharged through the activated carbon mesh 331 to remove odors, thereby reducing air pollution and improving practicability.

It should be noted that the specific models and specifications of the electric push rod 130, the motor 220, the ozone generator 240, the solenoid valve 261 and the air extractor 310 need to be selected and determined according to the actual specifications of the device. It is the prior art in the field, so it will not be described in detail.

The power supply of the electric push rod 130 , the motor 220 , the ozone generator 240 , the solenoid valve 261 and the air extractor 310 and their principles are clear to those skilled in the art, and will not be described in detail here.

The above descriptions are merely examples of the present application, and are not intended to limit the protection scope of the present application. For those skilled in the art, various modifications and changes may be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (10)

1. Landfill leachate pretreatment device, characterized in that, comprising A filter assembly (100), the filter assembly (100) comprising a box body (110), a filter screen (120), an electric push rod (130), a scraper (140), a side plate (150) and a feeding hopper (160) ), the filter screen (120) is obliquely arranged in the box body (110), the electric push rod (130) is installed on one side of the box body (110), and the scraper (140) is arranged on the side of the box body (110). The movable end of the electric push rod (130), the scraper (140) is attached to the filter screen (120), the side plate (150) is rotatably arranged on one side of the box (110), the The feeding hopper (160) is communicated and arranged on the top of the box body (110); A pretreatment assembly (200), the pretreatment assembly (200) comprising a stirring frame (210), a motor (220), an ozone generator (240), an air duct (250) and a drainage pipe (260), the stirring frame (210) is rotatably arranged on the inner bottom of the box body (110), the motor (220) is mounted on the bottom of the box body (110), and the output end of the motor (220) is drivingly connected to the stirring frame (210) ), the ozone generator (240) is installed on the outside of the box (110), one end of the air duct (250) is communicated with the ozone generator (240), and the other end of the air duct (250) is communicated and set At the bottom of one side of the box body (110), the drain pipe (260) is communicated and arranged at the bottom of the box body (110). 2 . The landfill leachate pretreatment device according to claim 1 , wherein the stirring frame ( 210 ) comprises a rotating shaft ( 211 ) and a stirring paddle ( 212 ), and the rotating shaft ( 211 ) is rotatably arranged on the In the stirring frame (210), the stirring paddle (212) is arranged on the surface of the rotating shaft (211). 3 . The landfill leachate pretreatment device according to claim 1 , further comprising a gas treatment assembly ( 300 ), the gas treatment assembly ( 300 ) comprising an air extractor ( 310 ) and an air intake pipe ( 320 ). 4 . and an air filter box (330), the air extractor (310) is installed on the top of the box body (110), the air intake pipe (320) is arranged on the inner top of the box body (110), and the air intake pipe (320) communicates with the intake end of the air extractor (310), the air filter box (330) is installed on the top of the box (110), and the air outlet end of the air extractor (310) communicates with the air filter A box (330), and an air outlet pipe (340) is communicated with one side of the air filter box (330). 4. The landfill leachate pretreatment device according to claim 3, wherein an activated carbon mesh (331) is arranged in the air filter box (330), and the activated carbon mesh (331) is located in the air extractor (310) between the air inlet end and the air outlet pipe (340). 5 . The landfill leachate pretreatment device according to claim 3 , wherein one end of the air inlet pipe ( 320 ) extends into the box body ( 110 ) and is connected with a gas collecting hood ( 321 ). 6 . 6. The landfill leachate pretreatment device according to claim 1, wherein a reinforcement rod (112) is provided on the outside of the box body (110), and the electric push rod (130) is fixedly connected to the reinforcement Rod (112) side. 7 . The landfill leachate pretreatment device according to claim 1 , wherein a groove plate ( 113 ) is provided on the outside of the box body ( 110 ), and the ozone generator ( 240 ) is provided on the groove plate. 8 . (113). 8 . The landfill leachate pretreatment device according to claim 1 , wherein a valve is provided in communication with the air guide pipe ( 250 ), and a solenoid valve ( 261 ) is provided at one end of the drain pipe ( 260 ). 9 . 9 . The landfill leachate pretreatment device according to claim 1 , wherein a reinforcing rib ( 221 ) is provided outside the motor ( 220 ), and the reinforcing rib ( 221 ) is fixedly connected to the box body ( 9 . 110). 10 . The landfill leachate pretreatment device according to claim 1 , wherein, the bottom of the box body ( 110 ) is provided with support legs ( 170 ), and the bottom of the support legs ( 170 ) is provided with pads. 11 .

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