CN211394126U

CN211394126U - Landfill leachate treatment facility

Info

Publication number: CN211394126U
Application number: CN201922492539.4U
Authority: CN
Inventors: 王雪敏; 肖青青; 陈�光
Original assignee: Fujian Aojie Water Treatment Engineering Co ltd
Current assignee: Fujian Aojie Water Treatment Engineering Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-01
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a garbage leachate treatment device, which comprises a dosing tank, a sedimentation tank and a collection tank which are arranged in sequence, the dosing tank is provided with a water inlet pipe and a water delivery pipe communicated with the sedimentation tank, one side of the sedimentation tank, which is far away from the dosing tank, is provided with a water delivery pipe communicated with the collection tank, one end of the water delivery pipe is positioned in the collection tank, and is provided with a filter element for further filtering the wastewater, a honeycomb inclined plate is arranged in the sedimentation tank, a wheel drum is rotatably connected above the sedimentation tank, and a motor for driving the wheel drum to rotate, wherein the side wall of the wheel drum can be partially immersed in the wastewater, one side of the wheel drum, which is close to the water supply pipe, is provided with a scraper blade with the length direction parallel to the axis of the wheel drum, scraper blade one side can be contradicted in the wheel drum surface, the scraper blade is kept away from wheel drum one side and is equipped with the baffle that upwards extends, scraper blade one end is equipped with the oil guide plate that supplies the grease to flow away. The utility model discloses have the effect of getting rid of the grease in landfill leachate.

Description

Landfill leachate treatment facility

Technical Field

The utility model belongs to the technical field of the refuse treatment technique and specifically relates to a landfill leachate treatment facility is related to.

Background

At present, domestic garbage is mainly treated by a landfill method, but landfill generates a large amount of landfill leachate, the landfill leachate is sewage with complex components, and if the landfill leachate is directly discharged into the environment without treatment, serious environmental pollution can be caused. Therefore, the treatment of landfill leachate is a very important step.

Patent document with current publication number CN206828258U discloses a landfill leachate processing system, including agitator, sedimentation tank and oxidation reactor, the medicament stirs evenly in the agitator, then sewage discharges and deposits in the sedimentation tank, the bottom of sedimentation tank is equipped with precipitate clearance mouth, the inside of sedimentation tank is equipped with floats out liquid device, water after the sediment flows into oxidation reactor from the hose, ventilate oxidation reactor through the fan, improve the oxygen content of oxidation reactor normal water, promote oxidation reaction and take out some substances.

The above prior art solutions have the following drawbacks; because the landfill leachate also contains more grease wastewater, grease floats on the surface of the wastewater in the treatment process, and the scheme is inconvenient for cleaning grease substances floating on the surface of the wastewater.

Disclosure of Invention

Not enough to prior art exists, one of the purposes of the utility model is to provide a landfill leachate treatment facility has the effect of getting rid of the grease in the landfill leachate.

The above object of the present invention can be achieved by the following technical solutions:

a landfill leachate treatment facility comprises a dosing tank, a sedimentation tank and a collecting tank which are sequentially arranged, wherein the dosing tank is provided with a water inlet pipe, the side wall of the dosing tank is provided with a gas pipe, one end of the gas pipe is positioned in the dosing tank and is provided with a gas vent, the other end of the gas pipe extends out of the outer wall of the dosing tank and is connected with a gas pump, the dosing tank is provided with a water pipe communicated with the sedimentation tank, the bottom of the sedimentation tank is provided with a mud outlet assembly, one side of the sedimentation tank, which is far away from the dosing tank, is provided with a water supply pipe communicated with the collecting tank, one end of the water supply pipe is positioned in the collecting tank and is provided with a filter piece for further filtering wastewater, a honeycomb inclined plate is arranged in the sedimentation tank, a wheel drum is rotationally connected above the sedimentation tank and drives a motor to rotate, the axis direction of the wheel drum is perpendicular to the flow direction of the, the wheel drum is close to water supply pipe one side and is equipped with the scraper blade that length direction is on a parallel with the wheel drum axis, scraper blade one side can be contradicted in the wheel drum surface, the scraper blade is kept away from wheel drum one side and is equipped with the baffle that upwards extends, scraper blade one end is equipped with the oil guide plate that supplies the grease to flow away.

Through adopting above-mentioned technical scheme, landfill leachate enters into from the inlet tube and adds the medicine pond in, through adding water treatment medicament in to adding the medicine pond for harmful substance forms the colloid gradually in the waste water, the volume grow can take place to subside under the action of gravity gradually, the air pump lets in the air through the gas-supply pipe in to adding the medicine pond, the effect of vortex can be played to waste water to the bubble that improves oxygen content and production in the waste water, improve the homogeneity of medicament in adding the medicine pond mixture, and grease class material floats on the liquid level along with the bubble easily. The waste water of having mixed the medicament flows into the sedimentation tank from the raceway in, take place to subside in the sedimentation tank, be equipped with the honeycomb swash plate in the sedimentation tank, help the colloid to deposit, the sedimentation tank upper end is rotated and is connected with the wheel drum, the axial lead direction perpendicular to rivers of wheel drum go into the direction of flow pipe, the wheel drum can submerge in waste water, the grease that rotates wheel drum waste water surface is at the wheel drum surface with the adhesion, the scraper blade is contradicted in the wheel drum surface, scrape down the grease on wheel drum surface, thereby get rid of most grease in the waste water, flow pipe one end is equipped with and filters the piece, further handle waste water.

The present invention may be further configured in a preferred embodiment as: the mud discharging assembly comprises a mud discharging pipe arranged at the bottom of the sedimentation tank and a mud pumping pump arranged on the mud discharging pipe.

Through adopting above-mentioned technical scheme, take out the deposit of sedimentation tank bottom through the mud pump, it is convenient to clear up.

The present invention may be further configured in a preferred embodiment as: the bottom of the sedimentation tank is of an inverted trapezoidal structure.

Through adopting above-mentioned technical scheme, the bottom of sedimentation tank sets up to falling the trapezium structure, and the precipitate is concentrated in the sedimentation tank bottom, conveniently carries out the precipitate clearance.

The present invention may be further configured in a preferred embodiment as: the inner wall of the sedimentation tank is horizontally provided with grid-shaped supporting rods, the honeycomb inclined plate is arranged on the supporting rods, the inner wall of the sedimentation tank is further provided with a plurality of anti-floating rods, and the anti-floating rods are abutted to the upper end of the honeycomb inclined plate.

Through adopting above-mentioned technical scheme, the honeycomb swash plate is installed on the bracing piece, and honeycomb swash plate upper end is equipped with prevents the float bar, avoids the honeycomb swash plate to take place to float in the course of the work.

The present invention may be further configured in a preferred embodiment as: filter a terminal installation section of thick bamboo of water supply pipe including locating, an installation section of thick bamboo is used for placing the active carbon for inside hollow structure, and has seted up the hole of permeating water on the installation section of thick bamboo lateral wall.

Through adopting above-mentioned technical scheme, the water supply pipe end is equipped with the installation section of thick bamboo, can be used for placing the active carbon in the installation section of thick bamboo, further filters the absorption to the water that the sedimentation tank came out.

The present invention may be further configured in a preferred embodiment as: the mounting device is characterized in that a first flange plate is arranged above the mounting cylinder, a second flange plate is arranged at one end, close to the mounting cylinder, of the water feeding pipe, and a bolt used for mounting the mounting cylinder on the water feeding pipe is arranged between the first flange plate and the second flange plate.

By adopting the technical scheme, the mounting cylinder is mounted on the water supply pipe by a flange method, and is convenient to mount and dismount.

The present invention may be further configured in a preferred embodiment as: the inlet tube is located and is equipped with the porous cartridge filter in area with medicine pond one end.

Through adopting above-mentioned technical scheme, the cartridge filter can carry out the coarse filtration to the water that gets into in the medicine pond first, gets rid of some bulky impurity.

To sum up, the utility model discloses a following at least one useful technological effect:

1. be equipped with the wheel drum on the sedimentation tank, the wheel drum rotates and can takes away the grease that floats in waste water surface, and one side of scraper blade can be contradicted in the wheel drum, scrapes the grease that has on the wheel drum surface and falls off, is equipped with on the flow pipe and filters, further filters waste water, improves the getting rid of to grease class material.

2. The bottom of sedimentation tank sets up to falling the trapezium structure, is favorable to the precipitate to deposit in the sedimentation tank bottom, clears up through going out the mud subassembly.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an assembly view of the honeycomb inclined plate and the sedimentation tank in this embodiment.

Fig. 3 is an enlarged schematic view at a in fig. 1.

Description of reference numerals: 1. a medicine adding pool; 2. a sedimentation tank; 3. a collection tank; 4. a water inlet pipe; 5. a gas delivery pipe; 6. air holes are formed; 7. an air pump; 8. a water delivery pipe; 9. a mud discharging assembly; 91. a mud outlet pipe; 92. a mud pump; 10. a water supply pipe; 11. a filter member; 111. mounting the cylinder; 112. water permeable holes; 12. a honeycomb sloping plate; 13. a wheel drum; 14. a motor; 15. a squeegee; 16. a baffle plate; 17. an oil guide plate; 18. a support bar; 19. an anti-floating rod; 20. a first flange plate; 21. a second flange plate; 22. a bolt; 23. and (3) a filter cartridge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, for the utility model discloses a landfill leachate treatment device, including the pond 1 that adds that sets gradually, sedimentation tank 2 and collecting pit 3, be equipped with inlet tube 4 on the pond 1 that adds medicine, landfill leachate that needs to handle enters into from inlet tube 4 and adds in the medicine pond 1, it adds water treatment agent to be used for in the medicine pond 1, it is equipped with raceway 8 to add between medicine pond 1 and the sedimentation tank 2, landfill leachate that has mixed water treatment agent will flow into in sedimentation tank 2, and under the effect of water treatment agent, the aquatic material constantly condenses to form the colloid and takes place to subside, be equipped with the delivery pipe 10 that communicates in collecting pit 3 on the sedimentation tank 2, water after the sediment will flow into collecting pit 3 from delivery pipe 10, wait for processing technology on next step.

As shown in fig. 1 and 2, add and be equipped with gas-supply pipe 5 on the medicine pond 1, 5 one ends of gas-supply pipe are located with medicine pond 1 bottom, the other end extends to add medicine pond 1 outside, and gas-supply pipe 5 is located with medicine pond 1 outer one end and is connected with air pump 7, gas-supply pipe 5 is located and is equipped with bleeder vent 6 on the part of adding medicine pond 1, can blow to adding medicine pond 1 through air pump 7, thereby produce the bubble, let in some tiny suspended oil globules and the solid particle that the air made aquatic on attaching to the bubble in aqueous, float to the surface of water formation dross along with the bubble together, and the water treatment medicament adds in adding medicine pond 1, can promote the homogeneity of water treatment medicament mixing in adding medicine pond 1 under the effect of ventilating. Preferably, one end of the water inlet pipe 4 positioned in the dosing tank 1 is provided with a filter cylinder 23 with multiple holes for filtering large-particle impurities in some water.

As shown in fig. 1 and 2, add landfill leachate that mixes good water treatment medicament in the medicine pond 1 and flow into sedimentation tank 2 through raceway 8 in, landfill leachate will take place the flocculation and subside in sedimentation tank 2, under the effect of water treatment medicament, form the colloid easily in the landfill leachate, and the continuous grow of volume, deposit in sedimentation tank 2 bottom under the action of gravity, be equipped with honeycomb swash plate 12 in the sedimentation tank 2, under the effect of honeycomb swash plate 12, flocculate or blockked by honeycomb swash plate 12 can not the come-up, or sink along honeycomb swash plate 12 lateral wall, improve the effect of sediment. The sedimentation tank 2 is internally provided with grid-shaped support rods 18, the honeycomb sloping plate 12 is arranged on the support rods 18, and a plurality of anti-floating rods 19 are also arranged in the sedimentation tank 2 to prevent the honeycomb sloping plate 12 from floating in water, and the anti-floating rods 19 are abutted against the upper end of the honeycomb sloping plate 12. The mud discharging component 9 is installed at the bottom of the sedimentation tank 2 and used for discharging sediments at the bottom of the sedimentation tank 2, the mud discharging component 9 comprises a mud discharging pipe 91 installed at the bottom of the sedimentation tank 2 and a mud pumping pump 92 arranged on the mud discharging pipe 91, and the sediments in the sedimentation tank 2 can be pumped out by starting the mud pumping pump 92. Further, in order to clean the sediments conveniently, the bottom of the sedimentation tank 2 is of an inverted trapezoidal structure.

As shown in fig. 1 and 2, a wheel drum 13 is rotatably connected to the upper end of the sedimentation tank 2, a motor 14 for driving the wheel drum 13 to rotate is arranged on the sedimentation tank 2, the axial line of the wheel drum 13 is perpendicular to the flowing direction of the water flowing into the water supply pipe 10, a part of the wheel drum 13 can be immersed in the wastewater and rotate clockwise, so that grease on the surface of the wastewater can be adhered to the surface of the wheel drum 13, a scraper 15 is arranged on one side of the sedimentation tank 2 close to the water supply pipe 10, the length direction of the scraper 15 is parallel to the axial line of the wheel drum 13, and one side edge of the scraper 15 can be abutted against the surface of the wheel drum 13, so that the grease on the surface of the wheel drum 13 can be scraped off by the scraper 15, an upwardly extending baffle 16 is fixed on one side of the scraper 15 far from the wheel drum 13, and an oil guide plate 17 is arranged at one end of the scraper 15, so that the scraped-off grease can, the oil guide plate 17 is connected to one end of the scraping plate 15, and the two ends of the oil guide plate 17 are also provided with the baffle plates 16, so that grease is prevented from flowing away at will, and in order to improve the effect, the scraping plate 15 can incline towards the collecting tank 3, so that the grease can flow on the scraping plate 15 conveniently.

As shown in fig. 1 and 3, the one end that water supply pipe 10 is located collecting pit 3 is installed and is carried out filterable filter piece 11 to water, it includes installation section of thick bamboo 111 to filter piece 11, installation section of thick bamboo 111 is inside hollow structure, can place adsorbing material such as active carbon in the installation section of thick bamboo 111, this embodiment chooses for use active carbon, the hole 112 of permeating water has been seted up to the lateral wall of installation section of thick bamboo 111, active carbon can further carry out adsorption filtration to water, the upper end of installation section of thick bamboo 111 is equipped with first ring flange 20, second ring flange 21 is installed to the end of water supply pipe 10, and be equipped with between first ring flange 20 and the second ring flange 21 and be used for installing the bolt 22 on water supply pipe 10 with installation section of thick bamboo 111, thereby.

The implementation principle of the embodiment is as follows: landfill leachate filters some big impurity of granule at first through cartridge filter 23, handle the medicament through adding water in adding medicine pond 1, and stir the water that adds medicine pond 1 under the effect of air pump 7, make the medicament at aquatic misce bene, landfill leachate who mixes the medicament passes through raceway 8 and flows into sedimentation tank 2 and deposit, the precipitate that deposits can be cleared up through play mud subassembly 9, the water after the sediment further filters through filtering piece 11, wait process on next step in collecting pit 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a landfill leachate treatment facility which characterized in that: including dosing tank (1), sedimentation tank (2) and collecting pit (3) that set gradually, dosing tank (1) is equipped with inlet tube (4), be equipped with gas-supply pipe (5) on dosing tank (1) lateral wall, gas-supply pipe (5) one end is located dosing tank (1) and has seted up bleeder vent (6), and the other end extends dosing tank (1) outer wall and is connected with air pump (7), dosing tank (1) is equipped with raceway (8) that communicate sedimentation tank (2), sedimentation tank (2) bottom is equipped with mud subassembly (9), sedimentation tank (2) keep away from dosing tank (1) one side and are equipped with flow pipe (10) that communicate collecting pit (3), flow pipe (10) one end is located collecting pit (3), and installs filter piece (11) that further filters water, be equipped with honeycomb swash plate (12) in sedimentation tank (2), sedimentation tank (2) top is rotated and is connected with wheel drum (13) to and drive wheel drum (13) pivoted motor (14), wheel drum (13) axis direction perpendicular to rivers go into the flow direction of flow pipe (10), and clockwise rotation, wheel drum (13) lateral wall can submerge partly in the waste water, wheel drum (13) are close to flow pipe (10) one side and are equipped with length direction and are on a parallel with scraper blade (15) of wheel drum (13) axis, scraper blade (15) one side can be contradicted in wheel drum (13) surface, scraper blade (15) are kept away from wheel drum (13) one side and are equipped with baffle (16) that upwards extend, scraper blade (15) one end is equipped with oil deflector (17) that the confession grease flows away.

2. The landfill leachate treatment plant of claim 1, wherein: go out mud subassembly (9) including locating play mud pipe (91) of sedimentation tank (2) bottom, still including locating mud pump (92) on play mud pipe (91).

3. The landfill leachate treatment plant of claim 2, wherein: the bottom of the sedimentation tank (2) is of an inverted trapezoidal structure.

4. The landfill leachate treatment plant of claim 3, wherein: the inner wall of the sedimentation tank (2) is horizontally provided with grid-shaped supporting rods (18), the honeycomb inclined plate (12) is arranged on the supporting rods (18), the inner wall of the sedimentation tank (2) is further provided with a plurality of anti-floating rods (19), and the anti-floating rods (19) are abutted to the upper end of the honeycomb inclined plate (12).

5. The landfill leachate treatment plant of claim 4, wherein: filter piece (11) including locating water supply pipe (10) terminal installation section of thick bamboo (111), installation section of thick bamboo (111) are used for placing the active carbon for inside hollow structure, and have seted up hole (112) of permeating water on installation section of thick bamboo (111) lateral wall.

6. The landfill leachate treatment plant of claim 5, wherein: the mounting structure is characterized in that a first flange plate (20) is arranged above the mounting cylinder (111), a second flange plate (21) is arranged at one end, close to the mounting cylinder (111), of the water feeding pipe (10), and a bolt (22) used for mounting the mounting cylinder (111) on the water feeding pipe (10) is arranged between the first flange plate (20) and the second flange plate (21).

7. The landfill leachate treatment plant of claim 6, wherein: the water inlet pipe (4) is positioned at one end of the dosing pool (1) and is provided with a filter cartridge (23) with a plurality of holes.