CN102976564B - Continuous rural domestic waste water treating device - Google Patents

Abstract

The invention discloses a continuous rural domestic waste water treating device, wherein the inner space of a rectangular shell is divided into an anaerobic zone, an anoxic zone, an aerobic zone and a biological filtering zone; the biological filtering zone is arranged at the upper part in the aerobic zone; biological stuffing is suspended in the aerobic zone; active carbon is filled in the biological filtering zone; a first float is arranged on the liquid level in the anoxic zone; one end of a first pump is connected to the middle lower part of the anoxic zone, while the other end of the first pump extends between the housing wall of the aerobic zone and the housing wall of the biological filtering zone from the top of the aerobic zone; the pipe end extending between the two housing walls comprises a venturi tube; the opening of the venturi tube is downwards; a baffle plate is arranged right under the opening; a flow guide plate is arranged right under the baffle plate, and put on a second floating ball floating on the liquid level of the aerobic zone; a second float further floats on the liquid level of the aerobic zone; and a second pump is arranged between the aerobic zone and the biological filtering zone. The continuous rural domestic waste water treating device integrates the anaerobic zone, the anoxic zone, the aerobic zone and the biological filtering zone into a whole, thus being small in floor area, high in treating rate and high in automation degree.

Description

A kind of domestic sewage in rural areas by using waste water apparatus for continous treatment

Technical field

The present invention relates to wastewater treatment equipment, relate in particular to domestic sewage in rural areas by using waste water is carried out to processed continuously device.

Background technology

Current, most of sanitary sewages in China rural area directly discharge, and cause river, pool to pollute, and not only affect villager's living environment, and serious threat peasant healthy.And at present, rural area ubiquity infrastructure construction is weak, water exhaust system and the problems such as sewage disposal construction is perfect not.Rural Areas at Present sewage disposal mainly contains two kinds of techniques, and a kind of is membrane bioreactor (MBR) technique, and another kind is artificial wetland process.Membrane bioreactor is the combination of membrane separation technique and active sludge biological technology, and its efficient solid-liquid separation makes effluent quality good, and suspended substance and turbidity, can direct reuses after sanitary sewage disposal close to zero.Sewage, first through septic tank anaerobic digestion, reduces organic loading.But also there are a lot of shortcomings, the price comparison that is mainly reflected in film is high, membrane pollution problem is not solved, as the structure of the obstruction of physical property, chemical and biological pollution, thereby cause, the replacement cycle is short, operation expense is high, and the biochemical function that is exactly in addition MBR does not change Biological essence.Artificial wetland process is that domestic sewage in rural areas by using is after septic tank is processed, supernatant liquor enters inlet well by the pipeline that catchments, through grid, flow into settling tank, through the supernatant liquor of precipitation, with pump, raise into one-level artificial swamp, then enter again secondary artificial swamp, the effluent recycling of secondary artificial swamp is to clean water basin, can be for greening, irrigate, also can overflow near swag, but this technique need to have larger soil and corresponding temperature, such as in winter, this technique has great limitation in the use.

Summary of the invention

The object of the invention is for overcoming the deficiencies in the prior art, a kind of domestic sewage in rural areas by using waste water apparatus for continous treatment is provided, required energy consumption is little in operational process, cost is low, level of automation is high for this device, without manual operation and pollution-free.

The technical solution used in the present invention is: comprise a rectangle housing, in rectangle housing, be separated with anaerobic zone, aerobic area, aerobic zone, biofiltration district four parts, next door, anaerobic zone is aerobic area, aerobic zone is L-type, from the bottom of anaerobic zone and aerobic area, extend to the side of aerobic area, top in aerobic zone is biofiltration district, is hung with biologic packing material in aerobic zone, and biofiltration is filled with gac in district; Between anaerobic zone and aerobic area, have outlet conduit to be connected, place the first buoy on the liquid level in aerobic area, the first buoy connects auto-switch by the first lever; Middle and lower part, the other end that first pump one end is connected in aerobic area by pipeline by pipeline between the housing wall of Shen aerobic zone, top, aerobic zone and the housing wall in biofiltration district, and this pipeline end of stretching between two described housing walls comprises a Venturi tube and a blast main that is connected Venturi tube Zhai district, and the blast main the other end reaches outside housing; The opening of Venturi tube downward, the positive bottom of this opening is provided with baffle plate, the positive bottom of baffle plate arranges height lower than the flow deflector of bottom, biofiltration district, and inner walls, the other end of flexible connection aerobic zone, flow deflector one end taken and be placed on the second ball float swimming on the liquid level of aerobic zone; Also floating on the liquid level of aerobic zone have the second buoy, and the second buoy connects Auto-delay switch by the second lever; Between aerobic zone and biofiltration district, the second pump is set, the top in the outlet pipeline Shen biofiltration district of the second pump.

The invention has the beneficial effects as follows:

1, present device be integrate anaerobism, the waste disposal plant of the oxygen of holding concurrently, aerobic, biofiltration chamber, this occupation area of equipment is little, processing rate is high, treating processes investment expense little, simple to operate is low, level of automation is high.

2, in aerobic zone, do not need aerating apparatus, reduce the cost of sewage disposal.

3, all process full automatic control, have liquid level control pump switch, without manual operation.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

In figure: I. anaerobic zone; II. aerobic area; III. aerobic zone; Ⅳ. biofiltration district;

1. housing; 2. inlet channel; 3. outlet conduit; 4. mud discharging mouth; 5. buoy; 6. auto-switch; 7. lever; 8. pump; 9. pipeline; 10. Venturi tube; 11. blast mains; 12. baffle plates; 13. flow deflectors; 14. ball floats; 15. biologic packing materials; 16. buoys; 17. Auto-delay switches; 18. levers; 19. pumps; 20. pipelines; 21. gacs; 22. outlets.

Embodiment

As shown in Figure 1, treatment facility comprises a rectangle housing 1, rectangle housing 1 is interior is divided into four parts with partition wall, it is respectively anaerobic zone I, aerobic area II, aerobic zone III, these four parts of biofiltration district IV, sewage enters into anaerobic zone I from inlet channel 2 from I top, anaerobic zone, anaerobic zone I has lid to be semi-closed state, in I Gai Sige district, anaerobic zone, shared volume is maximum, retention time of sewage is the longest, I next door, anaerobic zone is aerobic area II, between the II of ⅠHe aerobic area, anaerobic zone, with a partition wall, separate, aerobic zone III is L-type, from the bottom of ⅠHe aerobic area, anaerobic zone II, extend to the side of aerobic area II, upper position in the III of aerobic zone is divided into Yi Ge biofiltration district IV.

Between the II of ⅠHe aerobic area, anaerobic zone, there is outlet conduit 3 to be connected, the middle and lower part of outlet conduit 3 partition wall between the II of ⅠHe aerobic area, anaerobic zone, be beneficial to sludge settling and do not flow to aerobic area II in anaerobic zone I, waste water can be from I automatic stream aerobic area, anaerobic zone II.In anaerobic zone I, have a mud discharging mouth 4, mud can be discharged from mud discharging mouth 4.On liquid level in the II of aerobic area, place buoy 5, buoy 5 connects auto-switch 6 by lever 7, and when water level reach a certain height, buoy 5 drives lever 7 to connect auto-switch 6.

Between the III of ⅡHe aerobic zone, aerobic area, pump 8 is set, pump 8 one end are connected in the middle and lower part of aerobic area II by pipeline 9, and the other end is communicated with in III top, aerobic zone by pipeline 9.Pipeline 9 in the III of aerobic zone is stretched between the housing wall of aerobic zone III and the housing wall of biofiltration district IV, and pipeline 9 these ends that are positioned at aerobic zone III comprise a Venturi tube 10 and a blast main 11 being connected with Venturi tube 10, one end of blast main 11 is connected to Venturi tube 10Zhai district, blast main 11 the other ends reach outside housing 1, and slightly higher than the upper end of housing 1.The opening of Venturi tube 10 downward, arranges baffle plate 12 in the positive bottom of Venturi tube 10, and the positive bottom of baffle plate 12 arranges flow deflector 13.The bottom level of the height of baffle plate 12 and biofiltration district IV is suitable, the height of flow deflector 13 is lower than the bottom of biofiltration district IV, baffle plate 12 can be fixed in the inner walls of aerobic zone III, flow deflector 13 one end are movably connected in the inner walls of aerobic zone III, flow deflector 13 the other ends are taken and are placed on ball float 14, and ball float 14 swims on the liquid level of aerobic zone III.Floating buoy 16 also on the liquid level of aerobic zone III; buoy 16 connects Auto-delay switches 17 by lever 18; liquid level of aerobic zone III connects Auto-delay switches 17 by buoy 16 to be controlled, and when water level reach a certain height, buoy 16 drives levers 18 to connect Auto-delay switches 17.In the III of aerobic zone, hang biologic packing material 15, for attached growth of microorganisms.Between ⅢHe biofiltration district, aerobic zone IV, pump 19 is set, the inhalent siphon road 20 of pump 19 extends the innermost end of aerobic zone III, to avoid generation dead angle, aerobic zone, has also avoided aerobic reactor zone current short circuit simultaneously, has increased current flow process.The top of the outlet pipeline 20Shen biofiltration district IV of pump 19.In biofiltration district IV, be filled with gac 21, gac 21 surface growths have microorganism.

When sewage enters into anaerobic zone I from inlet channel 2, ejector priming 8, by pipeline 9 by water discharged to aerobic zone III, when pump 8 is squeezed into aerobic zone III by water, in Venturi tube 10, produce negative pressure, by blast main 11, air is brought in water, increase oxygen in water concentration, when because aerobic area II water level declines, buoy 5 drives lever 7 to disconnect after auto-switch 6, pipeline 9 can form siphon, pump 8 continues waste water to introduce aerobic zone III from aerobic area II, when water is from Venturi tube 10 flows out, run into baffle plate 12, after clashing on baffle plate 12, water increases dissolved oxygen concentration, after baffle plate 12, flow to again flow deflector 13, water flows to the part away from aerobic area II by flow deflector 13, avoid producing processing dead angle.When aerobic zone, III water level reach a certain height; buoy 16 drives levers 18 to connect Auto-delay switches 17; ejector priming 19; ejector priming 19; by pipeline 20 by water discharged to biofiltration district IV, current are from IV upper end, biofiltration district is drenched, gac 21 surface growths have microorganism; after the biological treatment by biologic packing material 15 surface attachment, overflow is from exporting 22 discharges.

Claims (3)

1. A continuous treatment device for rural domestic sewage and wastewater, comprising a rectangular shell (1), characterized in that: the rectangular shell (1) is separated by an anaerobic zone (I), a facultative zone (II), an aerobic zone zone (Ⅲ), biofiltration zone (IV), the anaerobic zone (Ⅰ) is next to the facultative zone (II), and the aerobic zone (Ⅲ) is L-shaped, from the anaerobic zone (Ⅰ) and the facultative zone The bottom of (II) extends to the side of the facultative zone (II), the upper part of the aerobic zone (III) is the biofiltration zone (IV), and the aerobic zone (III) is suspended with biological fillers (15). The filter area (IV) is filled with activated carbon (21); The anaerobic zone (I) and the facultative zone (II) are connected by an outlet pipe (3), and the first buoy (5) is placed on the liquid surface in the anaerobic zone (II), and the first buoy (5) passes through the second A lever (7) is connected with the automatic switch (6); One end of the first pump (8) is connected to the middle and lower part of the aerobic zone (II) through a pipeline, and the other end extends from the top of the aerobic zone (III) to the shell wall and biological filter of the aerobic zone (III) through a pipeline zone (IV) between the housing walls, and the end of this line extending between the two said housing walls contains a venturi tube (10) and an air connection to the narrowest zone of the venturi tube (10). The other end of the tube (11) and the air tube (11) extends out of the housing (1); the opening of the Venturi tube (10) faces downward, and a baffle (12) is provided directly below the opening, and the baffle (12) A deflector (13) whose height is lower than the bottom of the biofiltration zone (IV) is set at the lower part of the biofiltration zone (IV). One end of the deflector (13) is movably connected to the inner wall of the shell of the aerobic zone (III), and the other end is placed on a floating surface. On the floating ball (14) on the liquid surface of the oxygen area (Ⅲ); on the liquid surface of the aerobic area (Ⅲ), there is also a second buoy (16) floating on the liquid surface, and the second buoy (16) is connected by a second lever (18) Automatic time-delay switch (17); a second pump (19) is set between the aerobic zone (Ⅲ) and the biological filter zone (IV), and the outlet pipe of the second pump (19) extends in the biological filter zone (IV) top. 2. A continuous treatment device for rural domestic sewage and wastewater according to claim 1, characterized in that: the sewage enters the anaerobic zone (I) from the top of the anaerobic zone (I) from the water inlet pipe (2), and the anaerobic zone (I) The area (I) is covered with a cover, which is in a semi-closed state, and the anaerobic area (I) occupies the largest volume among the four parts. 3. A continuous treatment device for rural domestic sewage and wastewater according to claim 1, characterized in that: the outlet pipe (3) is located in the middle and lower part between the anaerobic zone (I) and the facultative zone (II), and the anaerobic Zone (I) is provided with a mud outlet (4).

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