CN2351430Y

CN2351430Y - Living sewage treatment apparatus

Info

Publication number: CN2351430Y
Application number: CN98207561U
Authority: CN
Inventors: 金胜哲
Original assignee: Individual
Current assignee: Jin Shengzhe
Priority date: 1998-07-29
Filing date: 1998-07-29
Publication date: 1999-12-01
Anticipated expiration: 2008-07-29

Abstract

The utility model relates to a living sewage treatment apparatus, which is characterized in that the utility model comprises a precipitation separation part, a contact aeration part, a disinfecting flow discharge part, a back flushing pipeline and a casing, wherein, the precipitation separation part comprises a water inlet pipe, a first precipitation separation tank, a second precipitation separation tank, a filter tank and a flow regulator. The contact aeration part comprises a first contact aeration tank, a second contact aeration tank, an air blower and a diversion oxygen supply tube. The disinfection flow discharge part comprises a settling tank, a disinfection tank and a flow discharge pipe. The utility model can make the high biological purification of the living sewage, and the after-treatment water can be recovered to use. The utility model has the advantages of simple structure, low cost, wide applicability, being good for water resource saving, environmental protection, etc.

Description

Sewage treatment unit

The utility model relates to the sewage disposal device technology.

People will discharge the sanitary sewage such as lavatory water, laundry water, bathing water etc. in daily life inevitably.Along with growth in the living standard, people are water flushing lavatory, and along with the popularizing of household electrical appliance, a lot of families are all using washing machine to do washing, and a lot of families also all have bathtub or shower.That is to say that along with growth in the living standard, the water consumption that people use is in daily life increasing significantly.The increase of water consumption has brought the increase of water amount of blowdown.It is reported that the sewage quantity of being discharged is nearly 0.2 cubic metre for each person every day, wherein contained biochemical oxygen demand BOD is 40g (a dung urine for 13g, other is 27g).The sewage of these discharges has only few part to handle the back discharging through sewage work, and is most unprocessed and directly discharge.These sewage are polluting rivers,lakes and seas, have brought lake, the red algae in coastal waters and the minimizing of aquatic animal, and drinking water quality descends, environmental pollution and ecological balance damage.People healthy just is being subjected to serious harm and threat, and the propagation of transmissible disease is also unavoidable.It is reported that the ratio that sanitary sewage accounts for polluted water weighs more than 60%, the main task of therefore administering water pollution is purifying domestic sewage.But building sewage work needs large quantities of human and material resources, financial resources and time, even build, also far is unable to catch up with the rate of growth of residential building, and all builds sewage work in middle samll cities and towns and rural area, then impossible especially.

The purpose of this utility model is the solution at the problems referred to above, and a kind of small-sized sewage treatment unit is provided, and can use for family or unit, and its washing, purifying domestic sewage such as flush the toilet are handled the back discharging, or partly even whole harmless reuse or utilization.

The purpose of this utility model is following realization: design a small-sized sewage treatment unit, it is included in the housing (17) partly (1), contact aeration (2) and the sterilization part (3) of releasing partly of the precipitate and separate that is communicated with successively, described precipitate and separate partly (1) comprises the first precipitate and separate groove (4), the second precipitate and separate groove (5) and the filter vat (6) that is communicated with successively, and inhalent siphon (15) that leads to the first precipitate and separate groove (4) and the flow regulator (11) that is contained in filter vat (6) water outlet place; Described contact aeration partly (2) comprises the first contact aeration groove (7), the second contact aeration groove (8) that is communicated with successively and adorns within it counter-flushing pipeline (18) and diversion oxygen supply tube (13) respectively, and the external fan (12) that is connected with described diversion oxygen supply tube (13) by the road, described counter-flushing pipeline (18) also links to each other with first precipitate and separate groove (4) pipeline; Described sterilization is released partly, and (3) comprise settling bath (9), disinfection trough (10) that is communicated with successively and the Outlet Pipe (16) that leads to disinfection trough (10).

The utility model is simple in structure, and is with low cost, but suitability for industrialized production is convenient to install and use especially suitable family, subsection and rural area use.The utility model is also very desirable to the effect of sewage disposal.According to test, the BOD clearance in the water of releasing of the present utility model can reach (5ppm is following) more than 97.5%; COD (chemical oxygen demand (COD)) clearance can reach about 75%; Ammonia nitrogen removal frank also can reach about 75%; Clearance to contained negative ion interfacial agent (MBAS) in the synthetic detergent powder then can reach more than 97%; Phosphorus contained in the water also had higher removal ability.But the treated water secondary utilizes again through the utility model institute, for example, be used for again flushing the toilet, washed, water field etc.Therefore, the utility model improves water pollution and stops ecological degeneration significant not only to purifying a large amount of sanitary sewages, and to filling part protection and effectively utilizing the water resources of worsening shortages significant.

Below in conjunction with embodiment and accompanying drawing thereof in detail the utility model is described in detail:

Fig. 1 is that structure of the present utility model is formed schematic block diagram;

Fig. 2 is an one-piece construction schematic perspective view of the present utility model (after opening loam cake);

Fig. 3 is plan structure and counter-flushing pipeline 18 synoptic diagram (after opening loam cake) of a kind of embodiment of the utility model;

Fig. 4 is the A-A cross-sectional schematic of the utility model Fig. 3;

Fig. 5 is the B-B cross-sectional schematic of the utility model Fig. 3;

Fig. 6 is the perspective view of the contacted filter material 14 of circular cone column casing shape of the present utility model;

Fig. 7 faces shape figure for the utility model Fig. 6's;

Fig. 8 is the plan view shape figure of the utility model Fig. 6;

Fig. 9 is the plan view shape figure of the contacted filter material 14 of another kind of circular cone column casing shape described in the utility model, and the circular cone barrel of the contacted filter material 14 of circular cone column casing shape promptly shown in Figure 6 is constant, is smooth surface, and the section of cylindrical tube shape part is a gear-like.

The utility model embodiment specifically comprises following each of leading to successively partly (referring to Fig. 1,2): primary treatment partly, it is the precipitate and separate part, comprise the inhalent siphon 15 that leads to the first precipitate and separate groove 4, first, second precipitate and

separate groove

4,5 and filter vat 6 of being communicated with successively, and the flow regulator 11 that is contained in filter vat 6 water outlet places; Secondary treatment partly, it is the contact aeration part, comprise successively first, second

contact aeration groove

7,8 that is communicated with and dress counter-flushing pipeline 18 and diversion oxygen supply tube 13 within it respectively, and the external fan 12 that is connected with described diversion oxygen supply tube 13 by the road, described counter-flushing pipeline 18 also links to each other with the first precipitate and separate groove, 4 pipelines; Described sterilization is released partly and 3 to be comprised settling bath 9, disinfection trough 10 that is communicated with successively and the Outlet Pipe 16 that leads to disinfection trough 10.Described each part all reasonably is arranged among the housing 17.

Major function of the present utility model and decontamination process following (referring to Fig. 1,2): sanitary sewage enters the first precipitate and separate groove 4 through inhalent siphon 15, the at first precipitated separation of various fouls in the sewage, the dirt that precipitates (back claims mud) will be decomposed digestion the Anaerobic Bacteria of trench bottom by existence, make sludge quantity reduce.Top sewage in the first precipitate and separate groove 4 will flow in the second precipitate and separate groove 5, and the sewage that flows into the second precipitate and separate groove 5 will flow in the filter vat 6 through after the precipitate and separate (principle is the same) once more.Sewage by after first filtration the (decomposing digestion), flows in the first contact aeration groove 7 through flow regulator 11 (designing for the effect stability that keeps treating water) in this groove quantitatively, promptly enters secondary treatment partly.In this part, diversion oxygen supply tube 13 air blowing oxygen supply in the first contact aeration groove 7 and the second contact aeration groove 8 that fan 12 passes through separately.Air blowing makes sewage also be circulated in a large amount of oxygen containing whiles.At this moment, can produce the Gradient distribution of DO (oxygen content) in the groove, also be that the oxygen content of sewage from the bottom to top thickened by rare in the groove, the various bacteriums (anaerobic, half anaerobic, aerobic, half aerobic or the like) that adapt to this environment carry out complicated biological decomposition digestion to sewage, make sewage be purified processing.The sewage that is purified processing in the first contact aeration groove 7 flows in the second contact aeration groove 8, again after above-mentioned secondary-cleaned is handled, flows into sterilization and releases in the settling bath 9 of part 3.Water quality in the settling bath 9 will reach below the BOD5ppm.The clear water of post precipitation flows in the disinfection trough 10 (pumping up water) through after the small-sized vessel (hanging over the passage place of two grooves) of disinfectant are housed.The clear water that flows into disinfection trough 10 (pumping up water) has reached discharging or purification standard, can release or wipe ground water, flushing supply, field water the secondary reuse or the utilization of water etc.

In order to improve or strengthen decontamination effect improving, further feature of the present utility model be in filter vat 6 and first, second

contact aeration groove

7,8 the design filling contacted filter material 14 (referring to Fig. 2).It will help perching and growth and breeding of the required various bacteriums of purifying treatment.The material of contacted filter material 14 is a polypropylene, and the packing fraction in putting groove is 75～85%, and is preferred 80%, places and do not make particular requirement.The specific design that contacted filter material 14 embodiment provide is: be shaped as circular cone column casing shape (referring to Fig. 6～8), its wall thickness is 0.3mm, and the suitable for reading of circular cone tube part is φ 22mm, and end opening is φ 33.5mm, and height is 43mm; The diameter of cylindrical drum part is φ 33.5mm (joining with circular cone column casing end opening), and height is 30mm.The cylindrical drum part can adopt smooth surface (cross section as shown in Figure 8 is circular), also can adopt gear-like cross section (as shown in Figure 9), also is wavy surface, and is long-pending to increase surface in contact, and the breeding of perching that more benefits biological bacteria is grown.Although what embodiment provided contact percolation equipment 14 is shaped as circular cone column casing shape, but its general application is not so limited, and that is to say that it can also be other shape, as shape cylindric, coniform or that other is complicated, in order to the delay of different microorganisms with perch.

The size of embodiment of the present utility model can adopt following parameter: precipitate and separate (primary treatment) partly 1 volume is pressed 0.2 cubic metre of consideration of one day sewer of a people, and the retention fate can be considered more than 3 days; Contact aeration partly 2 volume can be considered more than 3 days by one day sewer of a people 0.2 cubic metre of consideration, retention fate.Shown in Fig. 3-5 is can be for the structural shape synoptic diagram of the present utility model of 5～20 people use.The specific design size can be with reference to table one.

The utility model carries out the novel sewage treatment unit of biological purifying treatment as a kind of to sanitary sewage, can be made into different sizes such as large, medium and small type with reference to above-mentioned design variable.5～20 humans are little

Type, 30～50 humans are medium-sized, and 50 people are above to be large-scale, and large-scale plant can be accomplished to use for 500 people.Packaged unit can use for one or several family; middle-scale device can be used for small-sized residential building or Public toilets, restaurant, movie theatre, small-scale meeting-place, small-scale specialized hospital etc. locate on a small scale, and large-scale plant then can be used as the usefulness of large-scale residence building group or large-scale public place sewage disposal.Their concrete size, those of ordinary skill is not difficult to provide, and structural shape also can be made non-intrinsically safe and suitably change.For example, the used the utility model device in a family can consider to remove filter vat 6, to save cost, reduces volume; In, large-scale plant then can consider to increase a secondary filtration groove or/and a contact aeration groove, to guarantee decontamination effect improving.(table one) unit: rice

	5 people's grooves	8 people's grooves	10 people's grooves	15 people's grooves	20 people's grooves
	5 people's grooves	8 people's grooves	10 people's grooves	15 people's grooves	20 people's grooves	A	0.6	0.86	1.0	1.4	1.8
B	0.5	0.7	0.84	1.23	1.53	A	0.6	0.86	1.0	1.4	1.8
B	0.5	0.7	0.84	1.23	1.53	C	0.83	1.33	1.58	2.25	2.86
D	0.25	0.25	0.3	0.3	0.35	C	0.83	1.33	1.58	2.25	2.86
D	0.25	0.25	0.3	0.3	0.35	E	0.7	0.7	0.8	0.9	1.0
F	2.0	2.0	2.0	2.0	2.0	E	0.7	0.7	0.8	0.9	1.0
F	2.0	2.0	2.0	2.0	2.0	G	0.26	0.26	0.26	0.26	0.26
H	1.65	1.65	1.65	1.65	1.65	G	0.26	0.26	0.26	0.26	0.26
H	1.65	1.65	1.65	1.65	1.65	I	0.9	0.9	0.95	1.0	1.05
J	0.9	0.9	0.95	1.0	1.05	I	0.9	0.9	0.95	1.0	1.05
J	0.9	0.9	0.95	1.0	1.05	K	1.8	1.8	1.9	2.0	2.1

The utility model has also designed counter-flushing pipeline 18 especially, and it is arranged on (referring to Fig. 3-5) among first and second contact aeration groove 7,8.Its purpose is regularly place groove and interior contacted filter material 14 thereof to be cleaned, in order to the quality of effectively carrying out and guaranteeing to purify waste water of biopurification process.The water of back flushing can be in connecting pipeline be sent the first precipitate and separate groove 4 to, again purifying treatment.

The utility model also can design a foldback pump (not drawing among the figure) in order to reduce the nitrogen content in the water of releasing in the second contact aeration groove 8, will be returned in the first precipitate and separate groove 4 through the clear water some that purifies, to reach the purpose of denitrogenation.

The utility model housing 17 and each groove useable glass steel are made (little, medium cell), but monoblock type also can be made into piecing assembly; Also available reinforced concrete prefabricated, but need do WATER REPELLENT.The loam cake of housing 17 can be easy to open, and is beneficial to maintenance and cleaning.

Claims

1. sewage treatment unit, it is characterized in that it is included in the housing (17) partly (1), contact aeration (2) and the sterilization part (3) of releasing partly of the precipitate and separate that is communicated with successively, described precipitate and separate partly (1) comprises the first precipitate and separate groove (4), the second precipitate and separate groove (5) and the filter vat (6) that is communicated with successively, and inhalent siphon (15) that leads to the first precipitate and separate groove (4) and the flow regulator (11) that is contained in filter vat (6) water outlet place; Described contact aeration partly (2) comprises the first contact aeration groove (7), the second contact aeration groove (8) that is communicated with successively and adorns within it counter-flushing pipeline (18) and diversion oxygen supply tube (13) respectively, and the external fan (12) that is connected with described diversion oxygen supply tube (13) by the road, described counter-flushing pipeline (18) also links to each other with first precipitate and separate groove (4) pipeline; Described sterilization is released partly, and (3) comprise settling bath (9), disinfection trough (10) that is communicated with successively and the Outlet Pipe (16) that leads to disinfection trough (10).

2. waste disposal plant according to claim 1 is characterized in that in the filter vat (6), is filled with contacted filter material (14) respectively in the first contact aeration groove (7) neutralization, the second contact aeration groove (8).

3. waste disposal plant according to claim 2 is characterized in that described contacted filter material (14) is a circular cone column casing shape.

4. waste disposal plant according to claim 3 is characterized in that the cylindrical drum part section of the described contacted filter material of circular cone column casing shape (14) is a gear-like.

5. according to claim 2,3 or 4 described waste disposal plants, it is characterized in that the packing fraction of described contacted filter material (14) in described each groove is 80%.

6. according to claim 1,2,3 or 4 described waste disposal plants, it is characterized in that housing (17) and each groove useable glass steel make.