CN211080350U

CN211080350U - Leachate sewage pool dredging system

Info

Publication number: CN211080350U
Application number: CN201921655253.7U
Authority: CN
Inventors: 顾利星; 张炜; 徐正鸣; 苏柳燕
Original assignee: Wuxi Industrial Waste Safe Disposal Co ltd
Current assignee: Wuxi Industrial Waste Safe Disposal Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-24
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a leachate sewage tank dredging system, which is provided with a sewage tank; the sewage pool is covered with an HDPE film, and one side of the sewage pool is provided with a pump room; the method is characterized in that: a plurality of floating openings are respectively formed in four corners of the surface of the HDPE film; HDPE pipelines are welded at the edges of the floating openings, and floating covers larger than the pipe frames are covered above the floating openings; the floating cover is welded on the HDPE pipeline through a welding machine. The utility model discloses both can effectively clear up effluent water sump deposit mud, do not influence the membrane again and cover, keep the seal performance.

Description

Leachate sewage pool dredging system

Technical Field

The utility model relates to a sewage treatment field, in particular to filtration liquid effluent water sump desilting system.

Background

In the actual operation of the leachate sewage tank, a certain amount of anaerobic sludge is generated due to the anaerobic reaction of leachate, the sludge is deposited at the bottom of the sewage tank and needs to be cleared regularly, and the normal operation of a sewage lift pump and the regulation and storage capacity of the sewage tank are ensured. According to the standard requirement, the surface of the sewage pool adopts a film covering system made of 2mm HDPE film, so as to prevent the mixing of rainwater, reduce the generation amount of percolate, effectively prevent the diffusion of percolate odor, but cause serious influence on the dredging of the sewage pool.

At present, a percolate adjusting tank adopting a film covering mode is not subjected to timely dredging basically, if the whole film covering system is removed during dredging, construction can be carried out, the cost of one film covering system is about 100 ten thousand, the cost of the traditional method is high, and the loss is too large.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, providing a filtration liquid effluent water sump desilting system that both can effectively clear up effluent water sump deposit mud, do not influence the membrane again.

Realize the utility model discloses the technical scheme of purpose is: a leachate effluent water sump desilting system, have effluent water sump; the sewage pool is covered with an HDPE film, and one side of the sewage pool is provided with a pump room; a plurality of floating openings are respectively formed in four corners of the surface of the HDPE film; HDPE pipelines are welded at the edges of the floating openings, and floating covers larger than the pipe frames are covered above the floating openings; the floating cover is welded on the HDPE pipeline through a welding machine.

According to the technical scheme, the bottom of the sewage pool is provided with a slope from west to east.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model is provided with floating ports with the size of 6m × 3m at four corners on the surface of the HDPE film, four HDPE pipelines with corresponding sizes are prefabricated into a rectangular pipe frame, thereby ensuring that the HDPE pipe frame is watertight and generates enough working buoyancy;

(2) the utility model uses HDPE film as a floating cover which is larger than the size of the pipe frame and is used for covering the floating opening, in order to prevent the wind influence and the influence of the self gravity of the film on the condition that the film can not be effectively covered, when the desilting is needed, the floating cover can be directly cut off by a knife for cleaning, and the film is welded after the cleaning is finished; therefore, rainwater can be prevented from entering the sewage pool, and the floating port can synchronously lift along with the liquid level of the sewage pool;

(3) the utility model discloses both can effectively clear up effluent water sump deposit mud, do not influence the membrane again and cover, keep the seal performance.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

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

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged schematic view of a point a in fig. 1.

Detailed Description

(example 1)

Referring to fig. 1, 2 and 3, the utility model discloses a sewage tank 1 has, sewage tank 1 coats and is stamped HDPE film 2, one side of sewage tank 1 is equipped with pump house 3, the position of pump house 3 is equipped with the slush pump, be used for taking out the sediment of sewage tank 1 bottom, the bottom of sewage tank 1 has 5% slope from west to east, four angles on HDPE film 2 surface are opened respectively and are had a size of 6m × 3 m's unsteady mouth 4, unsteady mouth 4 edge portion HDPE film 2 is welded through the welding machine has HDPE pipe 5, guarantee not leaking water, and produce sufficient work buoyancy, rely on the buoyancy of HDPE pipe to prop up the HDPE film, the top of unsteady mouth 4 is covered with the unsteady lid 6 that is greater than pipe frame 5, be used for covering unsteady mouth 4, unsteady lid 6 welds on HDPE pipe 5 through the welding machine, form a complete closing cap.

The utility model discloses a theory of operation does: during dredging, after the liquid level of the percolate sewage pool is reduced, the floating covers 6 of the four floating ports 4 are opened. Constructors can stand on the HDPE film 2 pedestrian channel, namely the HDPE pipeline 5, wash sludge at the bottom of the pool with high-pressure water from the port 1#, pump the diluted sludge to the tank car for transportation by using a slurry pump; the sludge at the bottom of the pool is then flushed with high-pressure water from port # 2 in the same way, and pumped into the tank truck at port # 1 for transport. The bottom of the tank has a gradient of 5% from west to east, then the tank is flushed to the port 1# from the port 3# and the port 4# by high-pressure water, and the diluted sludge is pumped into a tank for external transportation to finish the desilting work.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A leachate effluent water sump desilting system, have effluent water sump; the sewage pool is covered with an HDPE film, and one side of the sewage pool is provided with a pump room; the method is characterized in that: a plurality of floating openings are respectively formed in four corners of the surface of the HDPE film; HDPE pipelines are welded at the edges of the floating openings, and floating covers larger than the pipe frames are covered above the floating openings; the floating cover is welded on the HDPE pipeline through a welding machine.

2. The leachate lagoon dredging system of claim 1, wherein: the bottom of the sewage pool is provided with a slope from west to east.