CN212864328U

CN212864328U - Landfill leachate advanced treatment device

Info

Publication number: CN212864328U
Application number: CN202021487670.8U
Authority: CN
Inventors: 补淑惠; 王辉; 廖张兵; 唐烨; 王敏
Original assignee: Sichuan Yuzhiquan Environmental Technology Co ltd
Current assignee: Sichuan Yuzhiquan Environmental Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-02
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a landfill leachate advanced treatment device, which comprises a mounting frame, a pipeline, a water pump and a plurality of reverse osmosis tanks, wherein the mounting frame is composed of a base and a stand column, the stand column is vertically welded on the base, the plurality of reverse osmosis tanks are parallelly arranged on the stand column, the plurality of reverse osmosis tanks are positioned on the same vertical plane, the pipeline comprises a water inlet pipe and a water outlet pipe, the water pump is arranged on the water inlet pipe and is communicated with the water inlet pipe, the water inlet pipe is communicated with the side part of the reverse osmosis tank, the water outlet pipe is communicated with the end part of, the water outlet device comprises a water outlet barrel, an upper end cover and a plurality of membranes, wherein the membranes are arranged in a shell in a stacked mode, one end of a pull rod penetrates through the membranes and is connected with the bottom of the shell, the upper end cover is movably connected with the other end of the pull rod, a sealing ring is clamped between the upper end cover and the inner wall of the shell, and the water outlet barrel is arranged on the upper end cover and is communicated with the shell.

Description

Landfill leachate advanced treatment device

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a landfill leachate treatment device.

Background

With the acceleration of the urbanization process in China, the garbage disposal problem is more and more emphasized in various cities. The landfill leachate is used as waste water generated in the process of garbage treatment, seriously influences the living environment of cities, and is a difficult point of garbage treatment at present.

Landfill leachate is high-concentration organic wastewater with extremely strong pollution, and causes great pollution to the surrounding environment, a landfill bottom soil layer and underground water. At present, the garbage treatment mode adopted internationally is a landfill mode, and a large amount of garbage landfill generates a large amount of secondary pollutants, namely garbage leachate. The landfill leachate is high-concentration organic wastewater, the water quality and the components of the landfill leachate are complex, the landfill leachate has high BOD4 and COD concentration, high metal content, large water quality and water quantity change, high ammonia nitrogen content, imbalance of proportion of microbial nutrient elements and the like.

SUMMERY OF THE UTILITY MODEL

On the basis, the garbage leachate advanced treatment device is needed to be provided aiming at the condition that the existing garbage leachate is difficult to treat, heavy metals, bacteria and other objects in the filtrate are isolated by the reverse osmosis tank, so that the filtrate with higher concentration is changed into the filtrate with low concentration, and the device has small floor area and is convenient to install.

A landfill leachate advanced treatment device comprises a mounting rack, a pipeline, a water pump and a plurality of reverse osmosis tanks, wherein the mounting rack is composed of a base and a stand column, the stand column is vertically welded on the base, the reverse osmosis tanks are parallelly installed on the stand column, the reverse osmosis tanks are positioned on the same vertical plane, the pipeline comprises a water inlet pipe and a water outlet pipe, the water pump is installed on the water inlet pipe and is communicated with the water inlet pipe, the water inlet pipe is communicated with a water inlet of the reverse osmosis tank, the water outlet pipe is communicated with a water outlet of the reverse osmosis tank, the reverse osmosis tank comprises a shell, a pull rod, a sealing ring, a water outlet barrel, an upper end cover and a plurality of membranes, the shell is in a cylindrical shape with an opening at one end, the upper end cover is matched with the opening of the shell, one end of the pull, the pull rod positioned in the shell is provided with a plurality of diaphragms along the axis direction, a sealing ring is arranged between the upper end cover and the shell, and the water outlet barrel is arranged on the upper end cover and communicated with the shell.

Preferably, a shaft bushing is further arranged at the joint of the pull rod and the upper end cover.

Preferably, the bottom of the shell is provided with a limiting hole matched with the pull rod, and the pull rod is detachably connected in the limiting hole matched with the pull rod.

Preferably, the water inlet pipe also comprises a granular activated carbon filter, and the granular activated carbon filter is mounted on the water inlet pipe.

Preferably, the treatment device further comprises a controller and an electromagnetic valve, wherein the controller is installed on the stand column, the electromagnetic valve is installed on a water inlet pipe between the granular activated carbon filter and the reverse osmosis tank, a first signal output end of the controller is connected with a signal input end of the water pump, and a second signal output end of the controller is connected with a signal input end of the electromagnetic valve.

The utility model has the advantages that:

1. the reverse osmosis tanks are used for filtering filtrate, the reverse osmosis tanks are horizontally arranged on the support, pressure is provided by the water pumps for filtering, the circulation speed of the filtrate in the reverse osmosis tanks is higher, and the treatment efficiency of the filtrate is improved; the reverse osmosis tanks are arranged in parallel, so that the whole occupied area is small, and the carrying is convenient;

2. a sealing ring and a shaft bushing are arranged at the end part of the shell to prevent filtrate from flowing out of the gap between the upper end cover and the pull rod as well as the shell;

3. install granular activated carbon filter and controller additional, use granular activated carbon filter to filter the great particulate matter of diameter, avoid the particulate matter stifled along with filtrating gets into in the casing, block up the diaphragm, lead to the reverse osmosis jar to be difficult to the clearance.

Drawings

FIG. 1 is a schematic perspective view of an advanced landfill leachate treatment apparatus according to an embodiment;

FIG. 2 is a schematic front view of a landfill leachate advanced treatment device;

FIG. 3 is a schematic diagram of a reverse osmosis tank structure;

fig. 4 is a schematic diagram of a control signal flow structure.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, a landfill leachate advanced treatment device comprises an installation frame 1, a pipeline 2, a water pump 3 and a plurality of reverse osmosis tanks 4, wherein the installation frame 1 is composed of a base 12 and a stand column 11, the stand column 11 is vertically welded on the base 12, the reverse osmosis tanks 4 are parallelly installed on the stand column 11, the reverse osmosis tanks 4 are located on the same vertical plane, the pipeline 2 comprises a water inlet pipe 21 and a water outlet pipe 22, the water pump 3 is installed on the water inlet pipe 21 and communicated with the water inlet pipe 21, the water inlet pipe 21 is communicated with a water inlet of the reverse osmosis tank 4, the water outlet pipe 22 is communicated with a water outlet of the reverse osmosis tank 4, the reverse osmosis tank 4 comprises a shell 41, a pull rod 42, a sealing ring 43, a water outlet cylinder 44, an upper end cover 45 and a plurality of membranes 46, the shell is, the upper end cover is matched with the opening of the shell, one end of the pull rod penetrates through the upper end cover and is movably connected with the bottom of the cylinder body of the shell, a plurality of membranes are arranged on the pull rod in the shell along the axial direction of the pull rod, a sealing ring 4 is arranged between the upper end cover and the shell, and the water outlet barrel 44 is installed on the upper end cover 45 and is communicated with the shell 41. Specifically, in this embodiment, the base 12 and the column 11 are made of stainless steel, three reverse osmosis tanks are horizontally installed on the column 11, one end of each reverse osmosis tank 4 is communicated with the water inlet pipe 21 and the water outlet pipe 22 of the pipeline 2, sewage enters the reverse osmosis tanks 4 after being pressurized by the water pumps 3 installed on the base 12, is filtered, and is changed into low-concentration sewage by using membranes with micron-level pore diameters, so that a large amount of impurities mixed into the sewage, such as industrial pollutants, heavy metals, bacteria, viruses and the like, are completely isolated, and the physical and chemical indexes and the sanitary standards of emission regulations are achieved. With reverse osmosis tank 4 horizontal installation to with water pump 3 integration on base 12, whole device area is less, is fit for installing in the corner of work, saves the inside usable floor area of mill. Furthermore, the reverse osmosis tank 4 comprises a housing 41, a pull rod 42, a sealing ring 43, a water outlet barrel 44, an upper end cover 45 and a plurality of membranes 46, after sewage enters the housing 41 from the water inlet pipe 21, the sewage passes through the laminated membranes 46 under the action of the water pump 3, and flows back to one end of the water outlet barrel 44 after reaching the other side of the housing, and sewage is discharged through the water outlet barrel 44. Meanwhile, in order to prevent the leakage of the sewage when the sewage enters and exits from the housing 41, the sealing ring 43 is arranged at the joint of the upper end cover 45 and the housing 41, so that the whole sealing performance of the reverse osmosis tank 4 can be improved and the leakage can be prevented.

In another embodiment, as shown in fig. a, a shaft bushing 47 is further disposed at a connection position of the pull rod 42 and the upper end cover 45, a limit hole 411 matched with the pull rod is disposed at the bottom of the housing 41, and the pull rod 42 is detachably connected in the limit hole 411 matched with the pull rod. Specifically, in order to further improve the sealing performance of the entire housing 41, the upper end cover 45 is provided with a shaft bushing 47 to prevent the sewage from leaking along the tie rod 42. Furthermore, the bottom of the housing 41 is provided with a limiting hole 411 matched with the pull rod, so that the pull rod 42 is prevented from penetrating through the housing 41, and the overall sealing performance of the housing 41 is reduced.

In another embodiment, as shown in fig. 1-2, the device further comprises a granular activated carbon filter 5, wherein the granular activated carbon filter 5 is mounted on the water inlet pipe 21. Specifically, use granular activated carbon filter 5 to filter the sewage that gets into reverse osmosis tank 4 through inlet tube 21, avoid sewage to carry great particulate matter and get into reverse osmosis tank 4 for diaphragm 46 blocks up, and the workman must improve diaphragm 46's cleaning frequency, just can guarantee diaphragm 46's filtration performance.

In another embodiment, as shown in fig. 1 to 4, the device further comprises a controller 6 and an electromagnetic valve 7, the controller 6 is installed on the upright post 11, the electromagnetic valve 7 is installed on a water inlet pipe 21 between the granular activated carbon filter 5 and the reverse osmosis tank 4, and the controller 6 is electrically connected to the water pump 3 and the electromagnetic valve 7 respectively. Specifically, the controller 6 is used for controlling the opening and closing of the electromagnetic valve 7 and controlling the flow of the sewage in the pipeline 2, the whole device is integrally designed, no additional control system is needed, and the operation is very convenient.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a landfill leachate advanced treatment unit which characterized in that: comprises a mounting rack, a pipeline, a water pump and a plurality of reverse osmosis tanks, wherein the mounting rack is composed of a base and a stand column, the stand column is vertically welded on the base, the reverse osmosis tanks are parallelly mounted on the stand column and are positioned on the same vertical plane, the pipeline comprises a water inlet pipe and a water outlet pipe, the water pump is mounted on the water inlet pipe and is communicated with the water inlet pipe, the water inlet pipe is communicated with the water inlet of the reverse osmosis tank, the water outlet pipe is communicated with the water outlet of the reverse osmosis tank, the reverse osmosis tank comprises a shell, a pull rod, a sealing ring, a water outlet barrel, an upper end cover and a plurality of membranes, the shell is in a cylinder with one end opened, the upper end cover is matched with the opening of the shell, one end of the pull rod penetrates through the upper end cover and is movably connected with the bottom of the shell, the, and a sealing ring is arranged between the upper end cover and the shell, and the water outlet barrel is arranged on the upper end cover and is communicated with the shell.

2. The advanced treatment device for landfill leachate of claim 1, wherein: and a shaft bushing is further arranged at the joint of the pull rod and the upper end cover.

3. The advanced treatment device for landfill leachate of claim 2, wherein: the bottom of the shell is provided with a limiting hole matched with the pull rod, and the pull rod is rotatably arranged in the limiting hole.

4. The advanced landfill leachate treatment plant of claim 1 or 3, wherein: the water inlet pipe is characterized by further comprising a granular activated carbon filter, and the granular activated carbon filter is arranged on the water inlet pipe.

5. The advanced treatment device for landfill leachate of claim 4, wherein: the processing device further comprises a controller and an electromagnetic valve, wherein the controller is installed on the stand column, the electromagnetic valve is installed on a water inlet pipe between the granular activated carbon filter and the reverse osmosis tank, a first signal output end of the controller is connected with a signal input end of the water pump, and a second signal output end of the controller is connected with a signal input end of the electromagnetic valve.