CN210855584U

CN210855584U - Landfill leachate concentration treatment device

Info

Publication number: CN210855584U
Application number: CN201921496414.2U
Authority: CN
Inventors: 肖明
Original assignee: Shandong Zhonghai Xinke Environmental Technology Co ltd
Current assignee: Shandong Zhonghai Xinke Environmental Technology Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-26
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a landfill leachate concentration treatment device, which mainly relates to the technical field of landfill treatment, and comprises a landfill tank, a high-pressure water pump, a filtrate tank, a quartz stone filter layer, a water filtering bottom plate, a water collecting tank and a filter screen, wherein the filter screen is connected with an external medicament spraying device, an aeration device is arranged between the filter screen and the water filtering bottom plate, the high-pressure water pump is arranged above a recharge pipe, the right side of the landfill tank is provided with a fixed rod, the right end of the fixed rod is fixedly provided with a fixed ring for fixing the recharge pipe, an inner well is arranged below the water collecting tank, an outer well is fixed on the outer side of the inner well, a percolation liquid is arranged between the inner well and the outer well, the outer side of the outer well is fixedly provided with a drainage pipe, the right side of the drainage pipe is provided with a self-priming pump, the filtrate tank is arranged on the right side of the self-, the filtrate tank is connected with the inner well through a circulating pipeline, and the inner well is connected with a PH adjusting device through a pipeline.

Description

Landfill leachate concentration treatment device

Technical Field

The utility model relates to a landfill treatment technical field specifically is a landfill leachate concentrated treatment device.

Background

The landfill is still the most main method for solving the domestic garbage to go out in most cities in China, 356 domestic garbage landfill sites are provided in the whole country at the end of 2005, and 85% of the domestic garbage is subjected to landfill treatment. The landfill technology has the characteristics of simple operation and capability of treating all kinds of garbage. But the occupied area is large, and serious secondary pollution exists, for example, the garbage leachate pollutes underground water and soil, and odor generated by garbage stacking seriously influences the air quality around the site.

The landfill leachate is sewage filtered by anaerobic fermentation, rainfall scouring and surface water or underground water soaking of the garbage in the landfill process, the atmospheric precipitation in the same area in the same year is extremely uneven, and a leachate regulating tank is required to be arranged in the landfill to stabilize the treatment scale and the water quality of a leachate treatment station. The regulating tank is a structure which is arranged in front of the leachate treatment system and has the functions of homogenization and regulation or the function of sewage pretreatment. Before entering the regulating tank, the recovery and aggregation of the landfill leachate are problems which need to be solved urgently in the prior art.

Disclosure of Invention

In view of the defects in the prior art, the invention provides a landfill leachate concentration treatment device

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a landfill leachate concentrated treatment device which characterized in that: the garbage landfill tank comprises a garbage landfill tank, a high-pressure water pump and a filtrate tank, wherein a quartz stone filter layer is arranged at the bottom of the garbage landfill tank, a water filter base plate is arranged below the quartz stone filter layer, water filter holes are formed in the water filter base plate, a water collecting tank is arranged below the water filter base plate, a filter screen is fixed above the inner part of the water collecting tank, the filter screen is connected with an external medicament spraying device, a reagent of the medicament spraying device is uniformly sprayed on the filter screen through a pipe network, an aeration device is arranged between the filter screen and the water filter base plate and is connected with an external ozone generating device through the pipe network, the high-pressure water pump is arranged above a recharge pipe, a fixed rod is arranged on the right side of the garbage landfill tank, a fixed ring is fixed at the right end of the fixed rod and is used for fixing the recharge pipe, an inner well is arranged below the water collecting tank, and an, be provided with the leachate membrane between interior well and the outer well, the outside of outer well is fixed with the drainage tube, and the right side of drainage tube installs the self priming pump, the filtrate case sets up in the right side of self priming pump, and the filtrate incasement is arranged in to the recharge pipe, the filtrate case passes through reflux unit with the interior well and is connected, the interior well passes through pipe connection PH adjusting device.

As a further improvement of the invention, the inside of the water filtering bottom plate is equidistantly distributed with water filtering holes, and the sizes of the water filtering holes are the same.

As a further improvement of the invention, the ozone generating device is formed by connecting a liquid oxygen supply device and an ozone generator.

Compared with the prior art, the invention has the beneficial effects that: the device has compact structure, and the equipment arrangement can be optimized according to the field; the water distribution is more reasonable, and the water flow is uniform; the reaction contact is sufficient, the contact area between ozone and the medicine and the sewage is increased, and the reaction is carried out by two parts, so that the layout is more reasonable; the removal efficiency is high, and the total removal rate of organic matters and inorganic matters which are difficult to degrade can reach more than 90 percent; can be operated intermittently or continuously, and is convenient for pretreatment or subsequent process facilities.

Drawings

The invention will be further described with reference to the following drawings and detailed description:

FIG. 1 is a schematic structural view of a landfill leachate concentration treatment apparatus of the present invention;

in the figure: 1 rubbish landfill case, 2 quartz stone filter layer, 3 drainage bottom plates, 4 drainage holes, 5 water catch bowl, 6 filter screens, 7 high pressure water pump, 8 recharge pipe, 9 dead levers, 10 solid fixed rings, 11 inner well, 12 infiltration liquid membranes, 13 outer well, 14 drainage tubes, 15 self priming pumps, 16 filtrate case, 17 aeration equipment, 18 ozone generating device, 19 reflux unit, 20PH adjusting device, 21 medicament sprinkler.

Detailed Description

For better understanding of the technical solutions and advantages of the present invention, the following detailed description of the present invention is provided with specific embodiments, it should be understood that the specific embodiments described herein are only for understanding the present invention and are not intended to limit the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative efforts will fall within the protection scope of the present invention.

FIG. 1 is a schematic structural diagram of a landfill leachate concentration treatment device of the present invention, which comprises a landfill tank 1, a high pressure water pump 7 and a filtrate tank 16, wherein the bottom of the landfill tank 1 is provided with a quartz stone filter layer 2, a water filter base plate 3 is installed below the quartz stone filter layer 2, water filter holes 4 are arranged inside the water filter base plate 3, the water filter holes 4 are distributed at equal intervals, the diameters of the water filter holes 4 are the same, a water collection tank 5 is installed below the water filter base plate 3, a filter screen 6 is fixed above the water collection tank 5, the filter screen 6 is connected with an external chemical spraying device 21, a reagent of the chemical spraying device 21 is uniformly sprayed on the filter screen 6 through a pipe network, an aeration device 17 is arranged between the filter screen 6 and the water filter base plate 3, the aeration device 17 is connected with an external ozone generation device through a pipe network, the high pressure water pump 7 is installed above a recharge pipe 8, dead lever 9 is installed on landfill case 1's right side, and the right-hand member of dead lever 9 is fixed with solid fixed ring 10 for fixed recharge tube 8, well 11 in the below of water catch bowl 5 is installed, and the outside of well 11 is fixed with outer well 13, be provided with infiltration liquid film 12 between well 11 and the outer well 13, the outside of outer well 13 is fixed with drainage tube 14, and drainage tube 14's right side installs self priming pump 15, filtrate case 16 sets up in self priming pump 15's right side, and filtrate case 16 is arranged in to recharge tube 8, filtrate case 16 is connected through reflux unit 19 with well 11, well 11 passes through pipe connection PH adjusting device.

The ozone generating device 18 is formed by connecting a liquid oxygen supply device and an ozone generator.

The bottom of the garbage burying box 1 is provided with a quartz filtering layer 2 which has good water permeability and air permeability and is convenient for infiltration of leachate, a water filtering base plate 3 has preliminary filtering effect, a water filtering hole 4 is convenient for infiltration of the leachate into a water collecting tank below, the leachate enters an aeration device 17 for oxidative degradation and is subjected to oxidative decomposition under the action of ozone, most of substances which are difficult to degrade are degraded into substances which can be further degraded, and then enter a filter screen 6, a medicament spraying device 21 sprays medicament, sewage is in contact with the reagent to further degrade most of the substances, the filter screen 6 can prevent larger silt or gravel and the like from passing through the filter screen to enter the water collecting tank 5, the water collecting tank 5 is in a funnel-shaped structure so that the leachate can flow into an inner well in a concentrated mode 11, a leachate membrane 12 enables the leachate to naturally infiltrate to form membrane filtration concentrated solution and infiltrate into an outer well 13, and a drainage tube 14 is convenient for introducing the leachate in the outer, the fixed rod 9 is used for fixing the position of the recharging pipe, so that the recharging pipe is fixed stably and prevented from moving, degraded mixed water enters the inner well 11, clear water enters the outer well 13 after passing through a percolate film under the action of physical precipitation and drug precipitation, and substances which are not fully degraded at the bottom of the percolate tank 16 flow back to the inner well 11 through the backflow device 19; the water distribution is more reasonable, and the water flow is uniform; the reaction contact is sufficient, the contact area between ozone and the medicine and the sewage is increased, and the reaction is carried out by two parts, so that the layout is more reasonable; the removal efficiency is high, and the total removal rate of organic matters and inorganic matters which are difficult to degrade can reach more than 95 percent; can be operated intermittently or continuously, and is convenient for pretreatment or subsequent process facilities.

It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a landfill leachate concentrated treatment device which characterized in that: comprises a garbage burying box (1), a high-pressure water pump (7) and a filtrate box (16), wherein a quartz stone filter layer (2) is arranged at the bottom of the garbage burying box (1), a water filtering bottom plate (3) is arranged below the quartz stone filter layer (2), water filtering holes (4) are formed in the water filtering bottom plate (3), a water collecting tank (5) is arranged below the water filtering bottom plate (3), a filter screen (6) is fixed above the inside of the water collecting tank (5), the filter screen (6) is connected with an external medicament spraying device (21), a reagent of the medicament spraying device (21) is uniformly sprayed on the filter screen (6) through a pipe network, an aeration device (17) is arranged between the filter screen (6) and the water filtering bottom plate (3), the aeration device (17) is connected with an external ozone generating device through the pipe network, the high-pressure water pump (7) is arranged above a recharge pipe (8), dead lever (9) are installed on the right side of rubbish landfill case (1), and the right-hand member of dead lever (9) is fixed with solid fixed ring (10) for fixed recharge pipe (8), interior well (11) are installed to the below of water catch bowl (5), and the outside of interior well (11) is fixed with outer well (13), be provided with filtration liquid film (12) between interior well (11) and outer well (13), the outside of outer well (13) is fixed with drainage tube (14), and self priming pump (15) are installed on the right side of drainage tube (14), filtrate case (16) set up in the right side of self priming pump (15), and filtrate case (16) are arranged in recharge pipe (8), filtrate case (16) are connected through reflux unit (19) with interior well (11), interior well (11) pass through tube coupling PH adjusting device.

2. The landfill leachate concentration treatment device according to claim 1, wherein: the inside equidistance of drainage bottom plate (3) distributes has drainage hole (4), and the chi footpath is the same between drainage hole (4).

3. The landfill leachate concentration treatment device according to claim 1, wherein: the ozone generating device (18) is formed by connecting a liquid oxygen supply device and an ozone generator.