CN214880669U

CN214880669U - Landfill leachate treatment facility

Info

Publication number: CN214880669U
Application number: CN202121390846.2U
Authority: CN
Inventors: 权芳敏; 王建波; 赵强强
Original assignee: Henan Huanda Environmental Protection Technology Co ltd
Current assignee: Henan Huanda Environmental Protection Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-26
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a landfill leachate treatment facility, including the base, the last surface mounting of base has DTRO membrane group, and the upper surface of base is equipped with the box, and the one end of box is equipped with the feed liquor pipe, and the one end that the feed liquor pipe is close to the box is equipped with the solenoid valve, and the top of feed liquor pipe is equipped with out oil pipe, and it is linked together with the inside of box to go out oil pipe, and the liquid level measurement appearance is installed on the top of box, and the bottom of box is equipped with the pipe, and the one end that the box was kept away from to the pipe is equipped with the pump body, and the output of the pump body is equipped with the shunt tubes. The utility model discloses when landfill leachate gets into the box through the feed liquor pipe in, because of the density of greasy dirt is less, make the greasy dirt float in the superiors, when the liquid level that liquid level measuring apparatu detected landfill leachate was less than the feed liquor pipe, pump body stop work, when landfill leachate liquid level in the box was in the middle part in the box, the pump body restarts to reach the effect that prevents that the greasy dirt among the landfill leachate from getting into in the DTRO membrane group.

Description

Landfill leachate treatment facility

Technical Field

The utility model relates to a refuse treatment technical field specifically is a landfill leachate treatment facility.

Background

The landfill leachate is high-concentration organic wastewater which is derived from water contained in garbage in a garbage landfill, rain, snow and water entering the landfill and other water, deducts the saturated water holding capacity of the garbage and a soil covering layer and is formed by passing through the garbage layer and the soil covering layer; the direct discharge of landfill leachate can cause serious environmental pollution, and the combined treatment of the landfill leachate and municipal sewage is a better scheme, but a landfill site is generally far away from a sewage plant, so that a treatment device is needed for treating the landfill leachate.

The DTRO membrane (disc tube type reverse osmosis membrane) is a form of reverse osmosis, is a membrane component specially used for treating high-concentration sewage, and is also one of the modes of treating landfill leachate, but the oil resistance of the DTRO membrane is poor, and oil stains often exist in the landfill leachate, and when the landfill leachate is treated, the oil stains can enter the DTRO membrane, so that the normal work of the DTRO membrane is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landfill leachate treatment facility gets into the problem in the DTRO membrane with solving the greasy dirt.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a landfill leachate treatment facility, includes the base, the last surface mounting of base has DTRO membrane group, the upper surface of base is equipped with the box, the one end of box is equipped with the feed liquor pipe, the feed liquor pipe is close to the one end of box is equipped with the solenoid valve, the top of feed liquor pipe is equipped with out oil pipe, go out oil pipe with the inside of box is linked together, liquid level measuring apparatu is installed on the top of box, the bottom of box is equipped with the pipe, the pipe is kept away from the one end of box is equipped with the pump body, the output of the pump body is equipped with the shunt tubes, the shunt tubes with the input of DTRO membrane group is connected, liquid level measuring apparatu respectively with solenoid valve and pump body electric connection.

Preferably, a one-way air valve is arranged at one side, located on the liquid level measuring instrument, of the top end of the box body.

Preferably, the end of the conduit adjacent the pump body is inclined downwardly.

Preferably, one end of the oil outlet pipe close to the box body is higher than one end of the oil outlet pipe far away from the box body.

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

1. the utility model discloses a box, feed liquor pipe, the solenoid valve, go out oil pipe, the liquid level measurement appearance, join in marriage between pipe and the pump body, when landfill leachate enters the box through the feed liquor pipe, because the density of greasy dirt is less, make the greasy dirt float in the superiors, when landfill leachate in the box is more, the greasy dirt of superiors passes out oil pipe discharge box, when liquid level measurement appearance detects that the liquid level of landfill leachate is close to going out oil pipe, the solenoid valve is closed, stop to inputing landfill leachate in the box, the pump body continues to work at this moment, when the liquid level of landfill leachate is at the middle part in the box, the solenoid valve is opened, make landfill leachate continue to enter the box, when liquid level measurement appearance detects that the liquid level of landfill leachate is less than the feed liquor pipe, the pump body stops work, when the landfill leachate liquid level in the box is at the middle part in the box, the pump body starts once more, thereby reach the effect that prevents that the greasy dirt in the landfill leachate from getting into in the DTRO membrane group, simultaneously, prevent that the box internal greasy dirt from piling up too much.

2. The utility model discloses a setting of pipe, under the condition that does not have liquid in service equipment or box and the pipe for the first time, the greasy dirt can get into the pipe along with landfill leachate, because of the pipe is close to the one end downward sloping of the pump body, makes the greasy dirt in the pipe along inclined plane rebound and enter the box in, reaches and prevents that the inside greasy dirt of piling up of pipe and get into the effect in the DTRO membrane group through the shunt tubes.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front schematic view of the present invention.

In the figure: 1. a base; 2. a DTRO membrane group; 3. a box body; 4. a liquid inlet pipe; 5. an electromagnetic valve; 6. an oil outlet pipe; 7. a liquid level gauge; 8. a conduit; 9. a pump body; 10. a shunt tube; 11. a one-way air valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides an embodiment: a landfill leachate treatment facility comprises a base 1, the upper surface of the base 1 is provided with a DTRO membrane group 2, the bottom end of the DTRO membrane group 2 is provided with a purified water pipe and a concentrated liquid pipe, the upper surface of the base 1 is provided with a box body 3, one end of the box body 3 is provided with a liquid inlet pipe 4, one end of the liquid inlet pipe 4 close to the box body 3 is provided with an electromagnetic valve 5, an oil outlet pipe 6 is arranged above the liquid inlet pipe 4, the oil outlet pipe 6 is communicated with the inside of the box body 3, the top end of the box body 3 is provided with a liquid level measuring instrument 7, the liquid level measuring instrument 7 is a ZGJD-T intelligent oil and water dual-level measuring instrument, the bottom end of the box body 3 is provided with a guide pipe 8, one end of the guide pipe 8 far away from the box body 3 is provided with a pump body 9, when landfill leachate enters the box body 3 through the liquid inlet pipe 4, the density of oil stains is smaller, the oil stain floats on the uppermost layer, when the landfill leachate in the box body 3 is more, the oil stain on the uppermost layer is discharged out of the box body 3 through the oil outlet pipe 6, when the liquid level measuring instrument 7 detects that the liquid level of the landfill leachate is close to the oil outlet pipe 6, the electromagnetic valve 5 is closed, the input of the landfill leachate into the box body 3 is stopped, at the moment, the pump body 9 continues to work, when the liquid level of the landfill leachate is positioned in the middle of the box body 3, the electromagnetic valve 5 is opened, the landfill leachate continues to enter the box body 3, when the liquid level measuring instrument 7 detects that the liquid level of the landfill leachate is lower than the liquid inlet pipe 4, the pump body 9 stops working, when the liquid level of the landfill leachate in the box body 3 is positioned in the middle of the box body 3, the pump body 9 is restarted, so that the effect of preventing the oil stain in the landfill leachate from entering the DTRO membrane group 2 is achieved, meanwhile, the oil stain accumulation in the box body 3 is prevented from being too much, the output end of the pump body 9 is provided with a shunt pipe 10, the shunt tube 10 is connected with the input end of the DTRO membrane group 2, and the liquid level measuring instrument 7 is respectively electrically connected with the electromagnetic valve 5 and the pump body 9.

One side that the top of box 3 is located liquid level measurement appearance 7 is equipped with one-way pneumatic valve 11, and through the setting of one-way pneumatic valve 11, make external air pass through one-way pneumatic valve 11 and get into in the box 3, reach the effect that increases the box 3 internal gas pressure, prevent that the box 3 internal gas pressure from crossing the greasy dirt backward flow that makes in the oil pipe 6 excessively.

Pipe 8 is close to the one end downward sloping of the pump body 9, through the setting of pipe 8, does not have under the condition of liquid in primary use equipment or box 3 and pipe 8, and the greasy dirt can get into pipe 8 along with landfill leachate, because of the pipe 8 is close to the one end downward sloping of the pump body 9, makes the greasy dirt in the pipe 8 along the inclined plane upward movement and get into in the box 3, reaches and prevents that pipe 8 is inside to pile up the greasy dirt and get into the effect in the DTRO membrane group 2 through shunt tubes 10.

The end of the oil outlet pipe 6 close to the box body 3 is higher than the end of the oil outlet pipe 6 far away from the box body 3, so that oil stain in the oil outlet pipe 6 is prevented from flowing back.

When the garbage percolate pump is used, when garbage percolate enters the box body 3 through the liquid inlet pipe 4, because the density of oil stain is small, the oil stain floats on the uppermost layer, the pump body 9 is started, the garbage percolate in the box body 3 enters the DTRO membrane group 2 through the shunt pipe 10 for treatment, when the garbage percolate in the box body 3 is large, the oil stain on the uppermost layer is discharged out of the box body 3 through the oil outlet pipe 6, when the liquid level measuring instrument 7 detects that the liquid level of the garbage percolate is close to the oil outlet pipe 6, the electromagnetic valve 5 is closed, the garbage percolate is stopped being input into the box body 3, at the moment, the pump body 9 continues to work, when the liquid level of the garbage percolate is positioned in the middle part of the box body 3, the electromagnetic valve 5 is opened, the garbage percolate continues to enter the box body 3, when the liquid level measuring instrument 7 detects that the liquid level of the garbage percolate is lower than the liquid inlet pipe 4, the pump body 9 stops working, when the liquid level of the garbage percolate in the box body 3 is positioned in the middle part of the box body 3, the pump body 9 is activated again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a landfill leachate treatment facility, includes base (1), the last surface mounting of base (1) has DTRO membrane group (2), its characterized in that: the upper surface of base (1) is equipped with box (3), the one end of box (3) is equipped with feed liquor pipe (4), feed liquor pipe (4) are close to the one end of box (3) is equipped with solenoid valve (5), the top of feed liquor pipe (4) is equipped with out oil pipe (6), go out oil pipe (6) with the inside of box (3) is linked together, liquid level measurement appearance (7) are installed on the top of box (3), the bottom of box (3) is equipped with pipe (8), keep away from pipe (8) the one end of box (3) is equipped with the pump body (9), the output of the pump body (9) is equipped with shunt tubes (10), shunt tubes (10) with the input of DTRO membrane group (2) is connected, liquid level measurement appearance (7) respectively with solenoid valve (5) and pump body (9) electric connection.

2. The landfill leachate treatment plant of claim 1, wherein: and a one-way air valve (11) is arranged at one side of the top end of the box body (3) positioned on the liquid level measuring instrument (7).

3. The landfill leachate treatment plant of any one of claims 1 to 2, wherein: one end of the guide pipe (8) close to the pump body (9) is inclined downwards.

4. The landfill leachate treatment plant of any one of claims 1 to 2, wherein: the oil outlet pipe (6) is close to one end of the box body (3) and is higher than one end, far away from the box body (3), of the oil outlet pipe (6).