CN104556549A - Device and method for treating domestic sewage - Google Patents
Device and method for treating domestic sewage Download PDFInfo
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- CN104556549A CN104556549A CN201310525183.4A CN201310525183A CN104556549A CN 104556549 A CN104556549 A CN 104556549A CN 201310525183 A CN201310525183 A CN 201310525183A CN 104556549 A CN104556549 A CN 104556549A
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Abstract
The invention discloses a device and a method for treating domestic sewage. The device comprises an anaerobic treatment unit, an aeration unit and a clean water accommodating unit, wherein the anaerobic treatment unit is communicated with the aeration unit and a water inlet; the device for treating domestic sewage comprises an air pressure supply unit, a vacuum generating unit and an air-water separation unit, wherein the air pressure supply unit is respectively communicated with the anaerobic treatment unit, the aeration unit and the air-water separation unit and is used for providing power for a liquid discharge aeration unit in the anaerobic treatment unit, providing power for a liquid discharge clean water accommodating unit in the air-water separation unit and providing air for the aeration unit. By arranging the air pressure supply unit which is used for providing powder for raw water in the anaerobic treatment unit and the air-water separation unit and simultaneously providing oxygen for the aeration unit, the cost and maintenance difficulty are greatly reduced; and by arranging the anaerobic treatment unit which integrates the function of a septic tank, the cost is reduced.
Description
Technical field
The present invention relates to one way of life waste disposal plant and method.
Background technology
The reuse of current water mainly concentrates on Treated sewage reusing field, comprises distributing and centralized Treated sewage reusing treatment process and device.Less for life sewage treatment and reuse device.In city, sanitary sewage is mainly collected by municipal wastewater pipeline, is transported to sewage work and focuses on, and is then disposed to outside body of water environment.This mode is that most cities adopts, but due to the series of problems such as processing load and cost, China's treatment rate of domestic sewage is still in low-level relatively, and the sewage of discharge causes larger environmental pollution.In addition, compare the rural area of dispersion or the suburban area of town and country combination in inhabitation, sanitary sewage focuses on and is difficult to especially realize under the level of economic development that China is current, and sanitary sewage non-processor is discharged, the environmental disruption degree aggravation brought.
At present, the waste disposal plant of miniaturization often needs preposition septic tank to carry out mediation sewage, adds floor space and adds cost.On the other hand, also the waste disposal plant had utilizes gravity to make drainage flow thus carries out various purification, the shortcoming of such setting is the natural flow due to sewage, some reaction of sewage is made also not terminate completely namely to enter next step (namely reacting insufficient), in addition, owing to make use of gravity water conservancy diversion, make waste disposal plant various piece must the section of existence difference, so, make difficulty of construction larger.Also the waste disposal plant had utilizes power set to be arranged at each reaction tank respectively for the flowing of former water and provides power, but such setting is difficult to safeguard and cost is also very high.
Summary of the invention
The technical problem to be solved in the present invention be in order to overcome in prior art arrange respectively power set in each reaction tank cause high cost and be difficult to safeguard, preposition septic tank increases the defect of floor space, there is provided a kind of floor space little, sewage treatment unit and the method being easy to maintenance with low cost.
The present invention solves above-mentioned technical problem by following technical proposals:
One way of life waste disposal plant, include an anaerobic treatment unit, an aeration unit, a clear water accomodating unit, described anaerobic treatment unit is communicated with a water-in with described aeration unit, its feature is, described sewage treatment unit includes: an air pressure providing unit, a vacuum generating unit, a gas-water separation unit;
Described air pressure providing unit is communicated with described gas-water separation unit with described anaerobic treatment unit, described aeration unit respectively, for providing power for the liquid in described anaerobic treatment unit enters described aeration unit, there is provided power for the liquid in described gas-water separation unit enters described clear water accomodating unit, and provide air for described aeration unit.That is, only need an air pressure providing unit can provide the power of liquid-flow to anaerobic treatment unit, gas-water separation unit, and to aeration unit oxygen supply.
Preferably, described vacuum generating unit is communicated with described gas-water separation unit with described aeration unit, for by the Liquid extracting in described aeration unit to described gas-water separation unit; Herein, gas-water separation unit is set, is a kind of comparatively easy water treatment mode, can reduces costs.
Described gas-water separation unit is also communicated with described clear water accomodating unit, for carrying out gas-water separation to liquid and injecting described clear water accomodating unit by processing the clear water obtained;
Described clear water accomodating unit is communicated with a water outlet, and described clear water accomodating unit includes one for clear water to be exported to the clear water take-off equipment of described water outlet from described clear water accomodating unit.
Preferably, described vacuum generating unit is a vacuum pump, is provided with a membrane module in described aeration unit, and described membrane module is communicated with described vacuum pump with described gas-water separation unit by one first pipeline.That is, in aeration unit through the first tunicle component filters of the sanitary sewage of aerobic reaction and then extracted to gas-water separation unit by vacuum pump.
Preferably, described air pressure providing unit is communicated with described gas-water separation unit with described anaerobic treatment unit, described aeration unit respectively by three pipelines, and described three pipelines are provided with switch.
Preferably, described air pressure providing unit is a pneumatic pump, described pneumatic pump is communicated with one first tee ball valve, described first tee ball valve is also communicated with one second tee ball valve and described anaerobic treatment unit, described second tee ball valve is also communicated with described aeration unit and described gas-water separation unit, and described first tee ball valve and described second tee ball valve are for switching described pneumatic pump and described anaerobic treatment unit, being communicated with between described aeration unit and described gas-water separation unit.That is, connected relation can be adjusted arbitrarily, pneumatic pump is communicated with anaerobic treatment unit, gas-water separation unit, aeration unit in different occasions respectively.
Preferably, described clear water take-off equipment is a submersible pump.
Preferably, described sewage treatment unit also includes a PLC, and described PLC is electrically connected with described submersible pump, described pneumatic pump, described vacuum pump, described first tee ball valve and described second tee ball valve;
Described PLC opens and closes and the switching controlling described first tee ball valve and described second tee ball valve for controlling described pneumatic pump, vacuum pump and described submersible pump.
Preferably, be respectively arranged with one for monitoring the water level sensor of the water level of liquid in described clear water accomodating unit and described aeration unit, described PLC is also for monitoring according to described water level sensor the opening and closing that the water level obtained controls described pneumatic pump and described submersible pump.
Preferably, described anaerobic treatment unit is communicated with by a second pipe with described aeration unit;
Described aeration unit is being provided with one first float(ing)valve with described second pipe connectivity part, and described first float(ing)valve is used for water level in described aeration unit and opens lower than during first designated water level, and described anaerobic treatment unit is communicated with described aeration unit; Herein, set-up mode as described above, can make water level in aeration unit keep constant, aerobic reaction can be carried out fully.
Described clear water accomodating unit and described gas-water separation unit are by one the 3rd pipeline communication, described clear water accomodating unit is being provided with one second float(ing)valve with described 3rd pipeline communication place, described second float(ing)valve is used for water level in described clear water accomodating unit and opens lower than during second designated water level, and described gas-water separation unit is communicated with described clear water accomodating unit.Herein, set-up mode as described above, can make water level in clear water accomodating unit keep constant.
Preferably, described water outlet is provided with a hydraulic pressure sensor; , hydraulic pressure sensor being set for monitoring water outlet pressure herein, starting submersible pump during hypotony and applying pressure.
Described PLC is electrically connected with described hydraulic pressure sensor, and the liquid pressure of described PLC also for recording according to described hydraulic pressure sensor controls the opening and closing of described submersible pump.
The present invention also provides one way of life sewage water treatment method, and its feature is, it utilizes sewage treatment unit as above, and described domestic sewage processing method includes following steps:
S1, sanitary sewage is injected described anaerobic treatment unit;
S2, described anaerobic treatment unit are in harmonious proportion described sanitary sewage;
S3, described sanitary sewage carry out anaerobic hydrolysis and anaerobic digestion in described anaerobic treatment unit;
S4, air is pressed into described anaerobic treatment unit makes described sanitary sewage be disposed to described aeration unit;
S5, by aeration unit described in air Injection, described aeration unit is made to obtain oxygen needed for biological degradation;
S6, biological degradation is carried out to the sanitary sewage in described aeration unit;
S7, carry out gas-water separation to draw clear water by the sanitary sewage in aeration unit described in vacuum drawn to described gas-water separation unit;
S8, described clear water is disposed to described clear water accomodating unit;
S9, by described clear water accomodating unit clear water extract out recycle.
Preferably, described step S7 is:
Also continued for one second time by the sanitary sewage in aeration unit described in vacuum drawn to described gas-water separation unit every a very first time.
Preferably, also include between described step S6 and described step S7:
While using described domestic sewage processing method to process sanitary sewage, maintain the water level of liquid in described aeration unit and described clear water accomodating unit respectively higher than one first water level and one second water level.Herein, water level can make membrane module keep invading steeping in liquid higher than the first water level and the second water level, makes the membrane module life-span longer.
Preferably, while using described domestic sewage processing method to process sanitary sewage, maintain the water level of liquid in described aeration unit and described clear water accomodating unit respectively between one first water level region and between one second water level region.Make water level be maintained between the first water level region herein and can while protective membrane assembly, make water level be unlikely to too high in the second water level region.
Preferably, described anaerobic treatment unit, described aeration unit, described clear water accomodating unit are all embedded in underground.That is, reacting environment is all embedded in underground, greatly can save ground space like this.
Positive progressive effect of the present invention is: by arrange an air pressure providing unit as power set for the former water extraction in anaerobic treatment unit and gas-water separation unit for while power for aeration unit provides oxygen, cost and maintenance difficulties are reduced greatly; By arranging the integrated septic tank function of anaerobic treatment unit, reduce cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sewage treatment unit of present pre-ferred embodiments.
Fig. 2 is the structural representation of the electric control box of the sewage treatment unit of present pre-ferred embodiments.
Fig. 3 is the schema of the domestic sewage processing method of present pre-ferred embodiments.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
Fig. 1 is the structural representation of the sewage treatment unit of present pre-ferred embodiments, Fig. 2 is the structural representation of the electric control box of the sewage treatment unit of the present embodiment, as shown in Fig. 1 ~ 2, the sewage treatment unit that the present embodiment relates to includes: anaerobic treatment unit 1, aeration unit 2, clear water accomodating unit 4, pneumatic pump 14, vacuum pump 10, air water separator; Anaerobic treatment unit 1 is communicated with water-in 16 with aeration unit 2.Wherein, vacuum pump 10, pneumatic pump 14 and air water separator concentrated setting are in electric control box 8.
Pneumatic pump 14 is communicated with air water separator with anaerobic treatment unit 1, aeration unit 2 respectively, for providing power for the liquid in anaerobic treatment unit 1 enters aeration unit 2, there is provided power for the liquid in air water separator enters clear water accomodating unit 4, and provide air for aeration unit 2.
Vacuum pump 10 is communicated with air water separator with aeration unit 2, for by the Liquid extracting in aeration unit 2 to air water separator;
Air water separator is also communicated with clear water accomodating unit 4, for carrying out gas-water separation to liquid and will processing the clear water injected clear water accomodating unit 4 obtained;
Clear water accomodating unit 4 is communicated with water outlet 12, and clear water accomodating unit 4 includes the submersible pump 5 for clear water to be exported to water outlet 12 from clear water accomodating unit 4.
Be provided with membrane module 3 in aeration unit 2, membrane module 3 is communicated with vacuum pump 10 with air water separator by pipeline 17.
Pneumatic pump 14 is communicated with the first tee ball valve, first tee ball valve is also communicated with the second tee ball valve and anaerobic treatment unit 1, second tee ball valve is also communicated with aeration unit 2 and air water separator, and the first tee ball valve and the second tee ball valve are for switching pneumatic pump 14 and anaerobic treatment unit 1, being communicated with between aeration unit 2 and air water separator.
The sewage treatment unit that the present embodiment relates to also includes: PLC 11, and PLC 11 is electrically connected with submersible pump 5, pneumatic pump 14, vacuum pump 10, first tee ball valve and the second tee ball valve respectively.PLC 11 is also arranged in electric control box 8.
PLC 11 is for controlling pneumatic pump 14 and submersible pump 5 opens and closes and controls the switching of the first tee ball valve and the second tee ball valve.
Anaerobic treatment unit 1 is communicated with by pipeline 15 with aeration unit 2; One first water level sensor and one second water level sensor is provided with in aeration unit 2, PLC 11 in aeration unit 2 water level higher than corresponding to the first water level sensor during water level, control to stop pneumatic pump 14 toward exerting pressure in anaerobic treatment unit 1 (namely stopping injecting sanitary sewage toward aeration unit 2 in), in aeration unit 2, water level is lower than the extraction of the liquid corresponding to the second water level sensor during water level in stopping vacuum pump 10 pairs of aeration units 2.
Clear water accomodating unit 4 is communicated with by pipeline 18 with air water separator, one the 3rd water level sensor and one the 4th water level sensor is provided with in clear water accomodating unit 4, PLC 11 in clear water accomodating unit 4 water level higher than corresponding to the 3rd water level sensor during water level, control to stop pneumatic pump 14 toward exerting pressure in air water separator (namely stopping toward injected clear water in clear water accomodating unit 4), in clear water accomodating unit 4 water level lower than corresponding to the 4th water level sensor during water level stopping submersible pump 5 discharge the clear water in clear water accomodating unit 4.
Water outlet 12 is provided with one for measuring the hydraulic pressure sensor of liquid pressure;
PLC 11 is electrically connected with hydraulic pressure sensor, and the liquid pressure of PLC 11 also for recording according to hydraulic pressure sensor controls the opening and closing of submersible pump 5.
Fig. 3 is the schema of the domestic sewage processing method of the present embodiment, and as shown in Figure 3, the domestic sewage processing method that the present embodiment relates to includes following steps:
Step 100, sanitary sewage is injected anaerobic treatment unit 1;
Step 200, anaerobic treatment unit 1 are in harmonious proportion sanitary sewage;
Step 300, sanitary sewage carry out anaerobic hydrolysis and anaerobic digestion in anaerobic treatment unit 1;
Step 400, air periodic is pressed into anaerobic treatment unit 1 makes sanitary sewage be disposed to aeration unit 2;
Step 500, by air Injection aeration unit 2, aeration unit 2 is made to obtain oxygen needed for biological degradation;
Step 600, biological degradation is carried out to the sanitary sewage in aeration unit 2;
Step 700, every a very first time (being set as 2 minutes herein) by the sanitary sewage in vacuum drawn aeration unit 2 to air water separator and continue one second time (being set as 5 minutes herein).
Step 800, clear water is disposed to clear water accomodating unit 4;
Step 900, by clear water accomodating unit 4 clear water extract out recycle.
In addition, anaerobic treatment unit 1, aeration unit 2, clear water accomodating unit 4 are all embedded in underground.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art is under the prerequisite not deviating from principle of the present invention and essence, numerous variations can be made to these embodiments, such as, air pressure providing unit does not pass through tee ball valve, and by three pipelines respectively with anaerobic treatment unit, aeration unit is communicated with gas-water separation unit, and arrange switch by PLC control its be communicated with or close, or, do not use water level sensor, but use the sensor on water positions such as float(ing)valve to carry out monitoring the connection or the closedown that are controlled pipeline again by PLC, or use a water level sensor to replace two water level sensors, but these change and amendment all falls into protection scope of the present invention.
Claims (15)
1. one way of life waste disposal plant, include an anaerobic treatment unit, an aeration unit, a clear water accomodating unit, described anaerobic treatment unit is communicated with a water-in with described aeration unit, it is characterized in that, described sewage treatment unit includes: an air pressure providing unit, a vacuum generating unit, a gas-water separation unit;
Described air pressure providing unit is communicated with described gas-water separation unit with described anaerobic treatment unit, described aeration unit respectively, for providing power for the liquid in described anaerobic treatment unit enters described aeration unit, there is provided power for the liquid in described gas-water separation unit enters described clear water accomodating unit, and provide air for described aeration unit.
2. sewage treatment unit as claimed in claim 1, it is characterized in that, described vacuum generating unit is communicated with described gas-water separation unit with described aeration unit, for by the extremely described gas-water separation unit of the Liquid extracting in described aeration unit;
Described gas-water separation unit is also communicated with described clear water accomodating unit, for carrying out gas-water separation to liquid and injecting described clear water accomodating unit by processing the clear water obtained;
Described clear water accomodating unit is communicated with a water outlet, and described clear water accomodating unit includes one for clear water to be exported to the clear water take-off equipment of described water outlet from described clear water accomodating unit.
3. sewage treatment unit as claimed in claim 2, it is characterized in that, described vacuum generating unit is a vacuum pump, is provided with a membrane module in described aeration unit, and described membrane module is communicated with described vacuum pump with described gas-water separation unit by one first pipeline.
4. sewage treatment unit as claimed in claim 3, it is characterized in that, described air pressure providing unit is communicated with described gas-water separation unit with described anaerobic treatment unit, described aeration unit respectively by three pipelines, and described three pipelines are provided with switch.
5. sewage treatment unit as claimed in claim 3, it is characterized in that, described air pressure providing unit is a pneumatic pump, described pneumatic pump is communicated with one first tee ball valve, described first tee ball valve is also communicated with one second tee ball valve and described anaerobic treatment unit, described second tee ball valve is also communicated with described aeration unit and described gas-water separation unit, and described first tee ball valve and described second tee ball valve are for switching described pneumatic pump and described anaerobic treatment unit, being communicated with between described aeration unit and described gas-water separation unit.
6. sewage treatment unit as claimed in claim 5, it is characterized in that, described clear water take-off equipment is a submersible pump.
7. sewage treatment unit as claimed in claim 6, it is characterized in that: described sewage treatment unit also includes a PLC, described PLC is electrically connected with described submersible pump, described pneumatic pump, described vacuum pump, described first tee ball valve and described second tee ball valve;
Described PLC opens and closes and the switching controlling described first tee ball valve and described second tee ball valve for controlling described pneumatic pump, vacuum pump and described submersible pump.
8. sewage treatment unit as claimed in claim 7, it is characterized in that, be respectively arranged with the water level sensor of at least one water level for monitoring liquid in described clear water accomodating unit and described aeration unit, described PLC is also for monitoring according to described water level sensor the opening and closing that the water level obtained controls described pneumatic pump and described submersible pump.
9. sewage treatment unit as claimed in claim 7, is characterized in that: described anaerobic treatment unit is communicated with by a second pipe with described aeration unit;
Described aeration unit is being provided with one first float(ing)valve with described second pipe connectivity part, and described first float(ing)valve is used for water level in described aeration unit and opens lower than during first designated water level, and described anaerobic treatment unit is communicated with described aeration unit;
Described clear water accomodating unit and described gas-water separation unit are by one the 3rd pipeline communication, described clear water accomodating unit is being provided with one second float(ing)valve with described 3rd pipeline communication place, described second float(ing)valve is used for water level in described clear water accomodating unit and opens lower than during second designated water level, and described gas-water separation unit is communicated with described clear water accomodating unit.
10. the sewage treatment unit as described in any one of claim 7 ~ 9, is characterized in that: described water outlet is provided with a hydraulic pressure sensor;
Described PLC is electrically connected with described hydraulic pressure sensor, and the liquid pressure of described PLC also for recording according to described hydraulic pressure sensor controls the opening and closing of described submersible pump.
11. one way of life sewage water treatment methods, is characterized in that, it utilizes the sewage treatment unit according to any one of claim 1 ~ 10 to realize, and described domestic sewage processing method includes following steps:
S1, sanitary sewage is injected described anaerobic treatment unit;
S2, described anaerobic treatment unit are in harmonious proportion described sanitary sewage;
S3, described sanitary sewage carry out anaerobic hydrolysis and anaerobic digestion in described anaerobic treatment unit;
S4, air is pressed into described anaerobic treatment unit makes described sanitary sewage be disposed to described aeration unit; S5, by aeration unit described in air Injection, described aeration unit is made to obtain oxygen needed for biological degradation;
S6, biological degradation is carried out to the sanitary sewage in described aeration unit;
S7, carry out gas-water separation to draw clear water by the sanitary sewage in aeration unit described in vacuum drawn to described gas-water separation unit;
S8, described clear water is disposed to described clear water accomodating unit;
S9, by described clear water accomodating unit clear water extract out recycle.
12. domestic sewage processing methods as claimed in claim 11, it is characterized in that, described step S7 is:
Also continued for one second time by the sanitary sewage in aeration unit described in vacuum drawn to described gas-water separation unit every a very first time.
13. domestic sewage processing methods as claimed in claim 12, it is characterized in that, while using described domestic sewage processing method to process sanitary sewage, maintain the water level of liquid in described aeration unit and described clear water accomodating unit respectively higher than one first water level and one second water level.
14. domestic sewage processing methods as claimed in claim 13, it is characterized in that, while using described domestic sewage processing method to process sanitary sewage, maintain the water level of liquid in described aeration unit and described clear water accomodating unit respectively between one first water level region and between one second water level region.
15. domestic sewage processing methods as claimed in claim 14, is characterized in that, described anaerobic treatment unit, described aeration unit, described clear water accomodating unit are all embedded in underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525183.4A CN104556549A (en) | 2013-10-29 | 2013-10-29 | Device and method for treating domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525183.4A CN104556549A (en) | 2013-10-29 | 2013-10-29 | Device and method for treating domestic sewage |
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| Publication Number | Publication Date |
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| CN104556549A true CN104556549A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310525183.4A Pending CN104556549A (en) | 2013-10-29 | 2013-10-29 | Device and method for treating domestic sewage |
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| CN (1) | CN104556549A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6456199A (en) * | 1987-08-25 | 1989-03-03 | Komatsu Mfg Co Ltd | Apparatus for treating waste water |
| CN2659883Y (en) * | 2003-09-24 | 2004-12-01 | 东南大学 | Domestic sewage treatment plant |
| CN102531272A (en) * | 2010-12-31 | 2012-07-04 | 苏州嘉净环保科技股份有限公司 | Integrated device for treating decentralized domestic sewage |
-
2013
- 2013-10-29 CN CN201310525183.4A patent/CN104556549A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6456199A (en) * | 1987-08-25 | 1989-03-03 | Komatsu Mfg Co Ltd | Apparatus for treating waste water |
| CN2659883Y (en) * | 2003-09-24 | 2004-12-01 | 东南大学 | Domestic sewage treatment plant |
| CN102531272A (en) * | 2010-12-31 | 2012-07-04 | 苏州嘉净环保科技股份有限公司 | Integrated device for treating decentralized domestic sewage |
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Application publication date: 20150429 |