CN202881023U - Efficient landfill leachate treatment device - Google Patents

Efficient landfill leachate treatment device Download PDF

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Publication number
CN202881023U
CN202881023U CN 201220610091 CN201220610091U CN202881023U CN 202881023 U CN202881023 U CN 202881023U CN 201220610091 CN201220610091 CN 201220610091 CN 201220610091 U CN201220610091 U CN 201220610091U CN 202881023 U CN202881023 U CN 202881023U
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Prior art keywords
reverse osmosis
self
tube reverse
treatment device
disc tube
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CN 201220610091
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Chinese (zh)
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冯锦
王静
朱辉
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NANJING CLP ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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NANJING CLP ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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Abstract

The utility model discloses an efficient landfill leachate treatment device. The device comprises a 100mum self-cleaning screen filter (1), a 10mum self-cleaning screen filter (2), a high-pressure pump (3), a disc-tube reverse osmosis device (4), a scale inhibitor dosing device (5), an acid dosing device (6), a degassing device (7), a main pipeline (8) and a disc-tube reverse osmosis washing device (9), wherein the 100mum self-cleaning screen filter (1), the 10mum self-cleaning screen filter (2), the high-pressure pump (3), the disc-tube reverse osmosis device (4) and the degassing device (7) are sequentially connected to the main pipeline (8) in series, the scale inhibitor dosing device (5) and the acid dosing device (6) are connected with the main pipeline (8) at an inlet of the 100mum self-cleaning screen filter (1) through a dosing pipeline, and the disc-tube reverse osmosis washing device (9) is connected with the disc-tube reverse osmosis device (4) in parallel through a pipeline.

Description

A kind of percolate high-efficient treatment device
Technical field
The utility model is applied to percolate and the high concentrated organic wastewater process field of refuse landfill, garbage burning factory and garbage transfer station.
Background technology
Increase along with China's urban population, the raising of the expansion of city size and resident living level, the output of China's domestic waste sharply increases, the domestic waste annual production of current China has reached more than 1.6 hundred million ton, and the speed increase with annual 8%-10%, principle according to China's refuse treatment " innoxious; minimizing; resource utilization ", sanitary landfill and burning are the economical and effective methods that is widely used at present garbage treatment, in the garbage treatment process, because rainwater and surface water infiltrate landfill yard, add biological chemistry and the chemical degradation effect of rubbish, produced a kind of liquid that contains high-enriched organics, i.e. percolate.Percolate contains organism and mainly comprises low-molecular-weight fatty acid, the fulvic acid class material of middle molecular weight and Humus high molecular carbohydrate, chemical oxygen demand COD is between 2000-40000mg/l, ammonia nitrogen is between 900-2800mg/l, ss suspended solid is about 1800mg/l, pH value is between 4-9, percolate also contains some carcinogenic cancer material and heavy metals of urging, the pollutents such as virus, if do not processed, percolate will be to underground water on every side, surface water and soil produce serious pollution, to peripheral resident's healthy generation serious threat.If percolate just is not directly used in field irrigation or enters rivers and lakes through processing completely, hydrobiont and farm crop are polluted, and by food chain and ecotope human health is produced serious harm.
Traditional biochemical treatment or the physical chemistry treatment process of the many employings of the Refuse Leachate Treatment Plant that present China has built up, but percolate is subject to the impact of the factors such as component of refuse, land-fill method, hydrogeological conditions, weather, composition is very complicated, the selection of garbage leachate treatment process singly will not satisfied water quality characteristic and the processing requirements of recent percolate, also will take into account leachate quality feature and processing requirements after change long term, traditional treatment process is difficult to satisfy above-mentioned requirements.
The utility model content
The utility model purpose is: adaptable, the simple and reliable process of a cover, the garbage leachate treatment device that treatment effect is good are provided.
A cover percolate high-efficient treatment device of the present utility model, comprise 100 μ m self-cleaning net type filters, 10 μ m self-cleaning net type filters, high-pressure pump, the disc tube reverse osmosis (dt-ro) device, the Scale inhibitors chemicals dosing plant, the acid chemicals dosing plant, de-gassing vessel, main pipe line, the disc tube reverse osmosis (dt-ro) washing unit, the PLC Controlling System, described 100 μ m self-cleaning net type filters, 10 μ m self-cleaning net type filters, high-pressure pump, disc tube reverse osmosis (dt-ro) device and de-gassing vessel are serially connected on the described main pipe line successively, and described Scale inhibitors chemicals dosing plant and sour chemicals dosing plant are connected on the main pipe line of 100 μ m self-cleaning net type filters by drug feeding pipeline.Disc tube reverse osmosis (dt-ro) washing unit (9) is by the pipeline disc tube reverse osmosis (dt-ro) device (4) that is connected in parallel.
Described 100 μ m self-cleaning net type filters (1) are electronic full-automatic filter, filtering accuracy is not limited to described 100 μ m, when filter screen inside and outside differential pressure (△ P) when reaching preset value, and being provided with the automatic cleaning process that PLC Controlling System (10) connects and control electronic full-automatic filter, the water processed of this process strainer does not interrupt.、
Described 10 μ m self-cleaning net type filters (2) are electronic full-automatic filter, filtering accuracy is not limited to described 10 μ m, when filter screen inside and outside differential pressure (△ P) when reaching preset value, be provided with the automatic cleaning process that PLC Controlling System (10) connects and control electronic full-automatic filter, the water processed of this process strainer does not interrupt.
Described high-pressure pump (3) is the high-pressure pump of variable frequency control, imports and exports and establishes manual isolating door.
Described Scale inhibitors chemicals dosing plant (5) comprises Scale inhibitors volume pump (being not limited to 1), Scale inhibitors batch meter (being not limited to 1), whipping appts, drug feeding pipeline and annex etc.
Described sour chemicals dosing plant (6) comprises sour volume pump (being not limited to 1), sour batch meter (being not limited to 1), drug feeding pipeline and annex etc.
The sour volume pump of described sour chemicals dosing plant (6) connects variable-frequency motor and drives operation, realizes automatically regulating according to online PH table meter, and control disc tube reverse osmosis (dt-ro) device water inlet pH value is between 6.0-6.5.
Described disc tube reverse osmosis (dt-ro) washing unit (9) comprises flushing water pump and cleans water tank that when disc tube reverse osmosis (dt-ro) device operation pressure reduction (△ P) output alarm signal when reaching preset value, prompting the operations staff in time clean.
Described disc tube reverse osmosis (dt-ro) washing unit (9) flushing water pump uses as wash-water pump simultaneously, when system stops transport or hinder shutdown for some reason, the disc tube reverse osmosis (dt-ro) device is washed.
Described de-gassing vessel of the present utility model comprises degassing tower, degassed blower fan, produces the pond.
The beneficial effects of the utility model are: the percolate high-efficient treatment device has the following advantages:
1, high efficiency, modularization;
2, floor space is little, installation and maintenance are simple, level of automation is high;
3, strong adaptability, effluent quality is good.
Description of drawings
Fig. 1 is a cover percolate high-efficient treatment device schema of the present utility model.
Embodiment
Below in conjunction with accompanying drawing enforcement of the present utility model is described further.
Referring to Fig. 1, a cover percolate high-efficient treatment device of the present utility model, comprise 100 μ m self-cleaning net type filters (1), 10 μ m self-cleaning net type filters (2), high-pressure pump (3), disc tube reverse osmosis (dt-ro) device (4), Scale inhibitors chemicals dosing plant (5), acid chemicals dosing plant (6), de-gassing vessel (7), main pipe line (8), disc tube reverse osmosis (dt-ro) washing unit (9), PLC Controlling System (10), described 100 μ m self-cleaning net type filters (1), 10 μ m self-cleaning net type filters (2), high-pressure pump (3), disc tube reverse osmosis (dt-ro) device (4) and de-gassing vessel (7) are serially connected on the described main pipe line (8) successively, and described Scale inhibitors chemicals dosing plant (5) and sour chemicals dosing plant (6) are connected on the main pipe line (8) of 100 μ m self-cleaning net type filter (1) imports by drug feeding pipeline.
During the work of this device, the percolate water inlet is regulated pH value between 6.0-6.5 by acid adding first, and add an amount of Scale inhibitors, then enter respectively 100 μ m self-cleaning net type filters (1) and 10 μ m self-cleaning net type filters (2), remove particle diameter greater than 100 μ m and the particle diameter suspended substance greater than 10 μ m, enter disc tube reverse osmosis (dt-ro) device (4) by high-pressure pump (3) again, produce water by de-gassing vessel (7) but after qualified discharge, concentrated solution can recharge to refuse landfill.
The acid chemicals dosing plant: automatically regulate chemical feeding quantity according to online PH table meter, control disc tube reverse osmosis (dt-ro) device water inlet pH value is between 6.0-6.5.It is because sour environment can suppress the insoluble inorganic salt in the generation of disc tube reverse osmosis (dt-ro) film surface precipitation that acid adding is regulated pH value, prolongs the work-ing life of disc tube reverse osmosis (dt-ro) film.The information such as the working order of acid volume pump, the liquid level of sour batch meter, water outlet PH all can be presented on the control interface.
Scale inhibitors chemicals dosing plant: the insoluble inorganic salt of Scale inhibitors in can disperse water, stop the insoluble inorganic salt in precipitation, the fouling on disc tube reverse osmosis (dt-ro) film surface.The information such as liquid level of the working order of Scale inhibitors volume pump, Scale inhibitors batch meter all can be presented on the control interface.
Self-cleaning net type filter: self-cleaning net type filter is electronic full-automatic filter, and filtering accuracy is 100 μ m and 10 μ m, be used for to remove particle diameter greater than 100 μ m and the particle diameter suspended substance greater than 10 μ m.When filter screen inside and outside differential pressure (△ P) when reaching preset value, cleaning process starts automatically, and the water processed of this process strainer does not interrupt.The information such as the working order of self-cleaning net type filter, filter screen inside and outside differential pressure (△ P) all can be presented on the control interface.
The disc tube reverse osmosis (dt-ro) device: the disc tube reverse osmosis (dt-ro) film utilizes the principle of reverse osmosis technology, namely under extraneous pressure-acting, water molecules is by semi-permeable membranes (disc tube reverse osmosis (dt-ro) film), all the other most pollution substances comprise that metal ion, small-molecule substance, bacteriophage etc. are trapped, thereby realize the purification to percolate.The disc tube reverse osmosis (dt-ro) device arranges that inflow temperature, flow, electricity are led, pressure reduction (△ P), produce water power and lead, produce the on-line monitoring instrument such as discharge, and monitor data all can be presented on the control interface.
The disc tube reverse osmosis (dt-ro) washing unit: for safeguarding the performance of disc tube reverse osmosis (dt-ro) film, need regularly the disc tube reverse osmosis (dt-ro) film to be carried out matting, cleaning is divided into pickling and alkali cleaning.Pickling mainly is to remove inorganic pollutant, and alkali cleaning mainly is to remove organic pollutant.When disc tube reverse osmosis (dt-ro) device operation pressure reduction (△ P) output alarm when reaching preset value, prompting the operations staff in time clean.Flushing water pump doubles as wash-water pump simultaneously; when system stops transport or hinder shutdown for some reason; the disc tube reverse osmosis (dt-ro) device is washed, and the flushing water source is that disc tube reverse osmosis (dt-ro) produces water or clear water, and the main purpose of flushing is to prevent that the Landfill Leachate Pollution thing is at the film surface deposition.
The PLC Controlling System: 100 μ m self-cleaning net type filters (1), 10 μ m self-cleaning net type filters (2), high-pressure pump (3), disc tube reverse osmosis (dt-ro) device (4), Scale inhibitors chemicals dosing plant (5), sour chemicals dosing plant (6), de-gassing vessel (7) connect the PLC Controlling System by control cables.On PLC control interface, operator can see facilities and the working order of each equipment and instrument in the system, when operator click certain equipment, can open a new window, show the details of this equipment.

Claims (10)

1. percolate high-efficient treatment device, it is characterized in that comprising 100 μ m self-cleaning net type filters (1), 10 μ m self-cleaning net type filters (2), high-pressure pump (3), disc tube reverse osmosis (dt-ro) device (4), Scale inhibitors chemicals dosing plant (5), acid chemicals dosing plant (6), de-gassing vessel (7), main pipe line (8), disc tube reverse osmosis (dt-ro) washing unit (9), described 100 μ m self-cleaning net type filters (1), 10 μ m self-cleaning net type filters (2), high-pressure pump (3), disc tube reverse osmosis (dt-ro) device (4) and de-gassing vessel (7) are serially connected on the described main pipe line (8) successively, described Scale inhibitors chemicals dosing plant (5) and sour chemicals dosing plant (6) are connected to by drug feeding pipeline on the main pipe line (8) of 100 μ m self-cleaning net type filter (1) imports, and disc tube reverse osmosis (dt-ro) washing unit (9) is by the pipeline disc tube reverse osmosis (dt-ro) device (4) that is connected in parallel.
2. percolate high-efficient treatment device according to claim 1, it is characterized in that described 100 μ m self-cleaning net type filters (1) are electronic full-automatic filter, and be provided with the automatic cleaning that PLC Controlling System (10) connects and control electronic full-automatic filter.
3. percolate high-efficient treatment device according to claim 1, it is characterized in that described 10 μ m self-cleaning net type filters (2) are electronic full-automatic filter, be provided with the automatic cleaning that PLC Controlling System (10) connects and control electronic full-automatic filter.
4. percolate high-efficient treatment device according to claim 1 is characterized in that described high-pressure pump (3) is the high-pressure pump of variable frequency control, imports and exports to be provided with manual isolating door.
5. percolate high-efficient treatment device according to claim 1 is characterized in that described Scale inhibitors chemicals dosing plant (5) comprises Scale inhibitors volume pump, Scale inhibitors batch meter, whipping appts and drug feeding pipeline.
6. percolate high-efficient treatment device according to claim 1 is characterized in that described sour chemicals dosing plant (6) comprises sour volume pump, sour batch meter and drug feeding pipeline.
7. percolate high-efficient treatment device according to claim 6 is characterized in that the sour volume pump of described sour chemicals dosing plant (6) connects variable-frequency motor and drives operation.
8. percolate high-efficient treatment device according to claim 1 is characterized in that described disc tube reverse osmosis (dt-ro) washing unit (9) comprises flushing water pump and cleans water tank, output alarm signal when disc tube reverse osmosis (dt-ro) device operation pressure reduction reaches preset value.
9. percolate high-efficient treatment device according to claim 1 is characterized in that described disc tube reverse osmosis (dt-ro) washing unit (9) flushing water pump uses as wash-water pump simultaneously.
10. percolate high-efficient treatment device according to claim 1 is characterized in that: described de-gassing vessel (7) comprises degassing tower, degassed blower fan and produces the pond.
CN 201220610091 2012-11-16 2012-11-16 Efficient landfill leachate treatment device Active CN202881023U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693778A (en) * 2013-12-16 2014-04-02 南京中电环保工程有限公司 Membrane treatment method and apparatus for underground wastewater
CN103864240A (en) * 2014-01-07 2014-06-18 杭州深瑞水务有限公司 Pipe network type garbage leachate processing device
CN107908212A (en) * 2017-11-24 2018-04-13 吉林新金尔科技有限公司 A kind of automation control system of film processing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693778A (en) * 2013-12-16 2014-04-02 南京中电环保工程有限公司 Membrane treatment method and apparatus for underground wastewater
CN103864240A (en) * 2014-01-07 2014-06-18 杭州深瑞水务有限公司 Pipe network type garbage leachate processing device
CN103864240B (en) * 2014-01-07 2016-01-27 杭州深瑞水务有限公司 A kind of ductwork type treating refuse penetrating fluid equipment
CN107908212A (en) * 2017-11-24 2018-04-13 吉林新金尔科技有限公司 A kind of automation control system of film processing system

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