CN1121351C - Small-scale efficient sewage treatment installation - Google Patents
Small-scale efficient sewage treatment installation Download PDFInfo
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- CN1121351C CN1121351C CN98104107A CN98104107A CN1121351C CN 1121351 C CN1121351 C CN 1121351C CN 98104107 A CN98104107 A CN 98104107A CN 98104107 A CN98104107 A CN 98104107A CN 1121351 C CN1121351 C CN 1121351C
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- sewage
- anaerobism groove
- anaerobism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The present invention relates to a small-scale efficient sewage treating device for composite processing of fecaluria discharged by households and domestic sewage, particularly to a small-scale efficient sewage treating device which is used for decomposing and processing organic substances in domestic sewage of common households by anaerobic microbes and aerobic microbes, and untreated organic substances are finally treated through a circulation chamber.
Description
Technical field
The present invention relates to a kind of small-scale efficient sewage treatment installation that fecaluria that general family discharged and living miscellaneous wastewater are carried out Combined Processing.The present invention be more particularly directed to following small-scale efficient sewage treatment installation, this equipment carries out disaggregating treatment by the anaerobic and aerobic microorganism to the organism in the general family domestic sewage, by circular chamber untreated organism is finally handled.
Background technology
At present, constantly develop in economy, under the situation that urban population is constantly concentrated, fecaluria that daily life must be discharged and living miscellaneous wastewater are the major causes that causes urban river and less stream to pollute, the living-hygienic situation that does not particularly possess the small and medium-sized cities of water drain and following water processing establishment and rural area, fishing village constantly worsens, in the water reservoir that agricultural water adopted, have 33% because of water pollution loses the utility value of water, agriculture production reduces.
In general, be to utilize the sewer line of relative family draining source sealing to the most rational processing mode of domestic sewage, make above-mentioned sewage flow to the sewage-farm, thereby can realize handling fully, but will be prerequisite with sewer line perfect, that popularize for this reason.Because concerning the popularizing of present pipeline, because of urban expansions causes buildings intensive, because of urban transport problems etc. causes the laying expense of pipeline to increase gradually, being equipped with perfect tubing system still is the very remote thing of part.
Make a general survey of foreign sanitary sewage disposal situation, for US and European, the assorted draining of fecaluria that family discharges and family flows directly into the processing field of water drain end together by sewer line, pending like this problem is less, and for Asian countries such as the very little Korea S of sewer line popularity, China, Taiwan and Japan, practical situation are only fecaluria to be handled by purification tank.
People know, for Japan, adopt the purification tank of the contact aeration chamber that anaerobic filter bed with 30 hour residence time and residence time be 7.5 hours, can make the clearance of BOD reach 90%.In addition, bibliographical information is arranged, opposite with the organic situation in the discharge water of removing by home-use treatment facility more than 90%, in the occasion that adopts purification tank separately, only can remove 16% organism (with reference to " the water と sewage " of starting publication in 1988, the rice of being delivered on Vol.10, the No.4 gloomy long-drawn-out flat and pine weigh a husband paper " the small-scale combination treatment purification tank that possesses anaerobic condition " and the article " domestic small combination treatment purification tank " among clear and " the ジ Network リ Application カ ロ グ " that started publication in 63 years).
Therefore, in order to prevent water pollution, following technology is developed in absolute demand, and this technology refers to about fecaluria and living miscellaneous wastewater being carried out the domestic sewage treatment device of Combined Processing.For these reasons, the present inventor has developed following small-scale efficient sewage treatment installation, and this equipment can be removed organism and nutritive substance simultaneously, so that the sanitary sewage of family's discharging is handled fully.
Summary of the invention
The object of the present invention is to provide a kind of small-scale efficient sewage treatment installation, this equipment can be by the breeding and the Decomposition of anaerobion and aerobic microbiological, with the organic matter removal that contains in the sanitary sewage, can remove nitrogen and phosphorus in the nutritive substance by nitration treatment and denitrification reaction, dephosphorisation reaction.
For this reason, domestic sewage treatment device of the present invention comprises: the 1st anaerobism groove (2), the 1st anaerobism groove (2) comprises sewage inlet (20), the 1st anaerobism groove is used to admit the sewage that flows into by sewage inlet, make precipitate contained in the sewage, organism in throw out and the sewage is carried out anaerobic digestion, and make them that denitrification reaction take place; The 2nd anaerobism groove (3), the 2nd anaerobism groove (3) have makes sewage go into inlet (13) in it from the 1st anaerobism concentrated flow, and the 2nd anaerobism groove is used to admit the sewage that is flowed into, and makes the contamination precipitation in the sewage, and it is carried out anaerobic digestion, and makes it that denitrification reaction take place; Contact aeration chamber (4), this contact aeration chamber (4) comprises the inlet (22) that sewage is gone into from the 2nd anaerobism concentrated flow, air fed mechanism (23) in the sewage that flows into by this inlet (22), admit aerobic microbiological, make the contacted mechanism of this aerobic microbiological and sewage (16), this contact aeration chamber (4) is used for sewage is contacted with aerobic microbiological, and this sewage is carried out aerobic sigestion; Settling chamber (5), this settling chamber (5) has the border of relative contact solarization air cell (4), and its bottom is formed with the separates walls (11) of opening (24), and this settling chamber (5) are used for admitting the opening (24) by separates walls (11), the sewage that flows into from the contact aeration chamber, and the throw out in the separation sewage; Mud e Foerderanlage (17), this mud e Foerderanlage (17) bottom of (5) extend towards the top of the 1st anaerobism groove (2) from the settling chamber, and at least a portion in the above-mentioned throw out in settling chamber (5) is flowed to the 1st anaerobism groove (2); Carry the inlet (18) of sewage in the settling chamber (5); Circular chamber (6), this circular chamber is positioned at the top of the 1st anaerobism groove (2) and/or the 2nd anaerobism groove (3), its inside is provided with filter element (26), by being attached to the microorganism on the filter element (26), carrying the sewage of coming from inlet (18), the organism that is untreated in the sewage is decomposed, and other parts.Domestic sewage treatment device of the present invention abbreviates " sewage disposal device " as.
Description of drawings
With reference to the accompanying drawings the present invention is further described below.
Fig. 1 is the orthographic plan of small-scale efficient sewage treatment installation of the present invention.
Fig. 2 is the vertical planning drawing of small-scale efficient sewage treatment installation of the present invention.
Fig. 3 is the skeleton view that is arranged at the contact filter element in the small-scale efficient sewage treatment installation of the present invention solarization air cell.
Fig. 4 is the skeleton view of mud e Foerderanlage, and the mud that this mud e Foerderanlage is used for being deposited in final settling chamber flows to the anaerobism groove, thereby realizes denitrogenation, adopts air to carry mud in this device.
Embodiment
Fig. 1 is the orthographic plan of sewage disposal device of the present invention, and Fig. 2 is the vertical planning drawing of sewage disposal device of the present invention.As depicted in figs. 1 and 2, sewage disposal device 1 of the present invention is made of 2 anaerobism grooves 2,3, contact aeration chamber 4, final settling chamber 5 and circular chamber 6., by anaerobion organism is decomposed simultaneously impurity contained in the sanitary sewage and precipitable solid deposits, removal by the 1st anaerobism groove 2 with a certain size.Owing to flow into the inflow velocity of the pending thing in the 1st anaerobism groove 2, the problem that throw out is floated once more is provided with unhurried current parts 7 in order to prevent.For contained Impurity removal in the sewage that will flow into unhurried current parts 7 in advance, in unhurried current parts 7, be provided with the impurity filter screen of pulling down easily 8.In addition, in the 1st anaerobism groove 2,, make the mud generation denitrification reaction of coming, thereby stink is removed from settling chamber's conveying by the mud e Foerderanlage 17 that will describe by the back.
Pending thing by the 1st anaerobism groove 2 passes through the transfer lime 12 that is arranged on the anaerobism groove separates walls 9, again by the 2nd anaerobism groove inlet 13, and flows in the 2nd anaerobism groove 3.The pending thing that flows in the 2nd anaerobism groove 3 is carried out anaerobic digestion once more, denitrification reaction takes place simultaneously.In certain scale, such as the sewage disposal device of 50 humans, be provided with underwater air formula transferpump 14, so that the water quality of violent mobile water inlet is kept evenly, and the flow of entry is kept evenly.In transferpump, be provided with the water level switch (not shown), so that at available depth is that move at 100% place, and be 30% place at available depth, abort actions, at available depth is 100% place, produces the overflow port 28 of overflow when being provided with above flooding velocity.The capacity of the 1st anaerobism groove 2 and the 2nd anaerobism groove 3 is such, and the capacity of the 1st anaerobism groove 2 is 1 day a sewage quantity, and the capacity of the 2nd anaerobism groove 3 is the sewage quantity of half a day.Pending thing by the 2nd anaerobism groove 3 passes through transferpump 14, or flows into the contact aeration chambers with the spontaneous current flowing mode by overflow port 28.
The effect of the air that blasts by gas blower 23, the pending thing that flows in the contact aeration chamber 4 has kept oxygen condition, be attached to porous contact percolation parts 16 lip-deep aerobic microbiologicals in the contact aeration chamber 4 organism contained in the pending thing is decomposed, thereby realize nitration treatment.The air of supplying with contact aeration chamber 4 is the micro bubble shape by means of the effect of the diffuser tube 14 that be arranged in parallel with contact aeration chamber 4.At this moment, this bubble is more little, and then oxygen supply effect is good more.Because the effect of increasing of above-mentioned bubble, micro bubble can form mobile in the inside of solarization air cell 4, thereby keeps mixing fully of oxygen and pending thing.In addition, owing to adopt extended aeration process can prolong residence time of solarization air cell 4 inside, thus can be so that the mud generation reaches minimum mode moves.
Be easy to attached microbial on the contact percolation parts 16, preferably it is not for to the mobile mode that impacts of solarization air cell 4, be platy structure shown in Figure 3, and with diffuser tube 14 configuration that meets at right angles, it with the polyurethane raw material, thickness is the flexible plate-like filter element of 2～3cm, all has extraordinary effect aspect microorganic adhesion ability and weather resistance and the economic dispatch.Best, be used for pending thing is flowed to the height of outlet of solarization air cell's 4 transfer limes greater than the height of the pending thing in the solarization air cell 4 from the 2nd anaerobism groove 3.Why doing like this is in order to prevent because the shaking and rise of the depth of water place that causes of aerating apparatus in the solarization air cell 4, and the microorganism in the solarization air cell 4 is towards anaerobism groove 3 reversed flow.
The pending thing of process contact aeration groove 4 flows to settling chamber 5 by being positioned at the opening 24 at place, settling chamber's separates walls 11 bottoms.5 bottoms, final settling chamber horizontal plane relatively tilt 60 °, so that successfully make solid matter and microorganism precipitation, and sedimentary microorganism are flowed to solarization air cell 4.In addition, owing to through after a while microbial reproduction, be arranged on the contact percolation parts 16 in the contact aeration chamber 4 and can produce the microorganism obscission, the microorganism that comes off flows into final settling chamber 5.The microorganism that comes off that is flowed into flows to the 1st anaerobism groove 2 with sedimentary mud by mud e Foerderanlage 17.This mud e Foerderanlage 17 is according to following principle, and this principle refers to owing to the effect of increasing of the air of supplying with by air bell 15 mud be risen in the air upcast 30, along vertically moving.
Owing to can regulate the aerobic microbiological amount in contacting in the solarization air cell easily by this mud e Foerderanlage 17, mud e Foerderanlage by 5 bottoms extension towards the settling chamber, can carry mud efficiently, like this can be under the situation of the mud of not removing solarization air cell 4 inside, carry out anaerobic digestion by the anaerobism groove, reduce sludge quantity, remove mud afterwards again.The occasion of the treatment facility of using below 50 people, e Foerderanlage can only be provided with one, and can be provided with 2 for the treatment facility of using more than 50 people, successfully realizes carrying so that realize.By means of the denitrogenation of the organism in the pending thing that flows into anaerobic state as the denitrification microorganism of food, from the mud that flows to the 1st anaerobism groove 2, produced nitrogen, be discharged in the atmosphere afterwards.In addition, mud e Foerderanlage 17 is carried the microorganism of contact percolation element falling from solarization air cell 4 expeditiously, thereby can prevent water quality deterioration, and owing to realize denitrogenation, also can remove nutritive substance as a rule, and removes stink.
Pending thing through settling chamber 5 flows in the circular chamber 6 by circular chamber inlet 18.Pending thing in flowing into circular chamber 6 by the circular chamber 6 that is full of filter element 26 in, can precipitate and filter, and be attached to the lip-deep microbiological degradation of filter element untreated organism at this moment, and get rid of.Because the mobilization in the circular chamber 6 has produced in filter element and flowed, microorganism is difficult to be attached on the filter element, and filter element meeting secund in order to prevent this situation, is provided with filter element flow baffles 19 between filter element 26.
Pending thing through circular chamber 6 finally is discharged into the outside.It is tabular that contact percolation parts 16 of the present invention are porous, and microorganism is easy to attached to it, as long as the filter element price is lower, weather resistance is good, can adopt any filter element, but can find, the vinyl chloride resin goods, or polyvinyl resin goods etc. have good effect.
Access opening 22 is set, so that the stink that stink that anaerobism groove 2,3 produces and nitrogen, contact aeration chamber 4 and settling chamber 5 are produced passes through the removal of microorganisms carried, residual air etc. are discharged to after the outside by venting port 21, often the state of sewage disposal device 1 and the microorganism state in the aerator tank are checked, successfully treatment facility and circulation groove are cleared up.
Embodiment
Making has the domestic sewage treatment device of the present invention of said structure, and this equipment of table 1 expression is from the operating result in January, 1996～1997 year February.The given numerical value of table 1 is the mean value of whole experimental session, and water inlet is the sewage of discharging from the apartment according to directly taking, and carries out with 1/100 times that spissated mode makes, and injects this sewage.Discharge water outlet 1～2 time in 1 week, and it is analyzed according to standard manner.
Table 1 unit: mg/l
| The mensuration project | Water inlet | Water outlet | Reduced rate or clearance (%) |
| BOD | 254 | 7.5 | 97.0 |
| COD | 346 | 36 | 89.6 |
| S | 150 | 6.8 | 95.5 |
| TKN | 62 | 16 | 74.2 |
| T-P | 14 | 6.6 | 52.9 |
According to above-mentioned breadboard experiment, can draw following satisfactory result, the average BOD clearance of sewage disposal device of the present invention is more than 97%, the COD clearance also is 90%, be respectively 74% and 53% as the TKN of nutritive substance and the clearance of T-P, this is very high, and the BOD of water outlet is no more than 10mg/l.
Because sewage disposal device of the present invention can be eliminated the shock load of solarization air cell by transferpump, thereby can be to difference in time, the efficient domestic sewage ground that flow and variation water quality are bigger is handled.In addition, because sewage disposal device of the present invention not only can be to fecaluria, but also can handle living miscellaneous wastewater, can reduce the environmental pollution degree greatly like this, because be provided with the tabular contact percolation parts that polyurethane is done in solarization air cell, microorganism can be attached to it well like this, microorganism can keep certain concentration in solarization air cell, can resist overburden like this, organic removal efficient is also higher.In addition,, when carrying mud, can not produce the situation of obstruction fully, and mud carries effect better owing to be provided with the air type mud e Foerderanlage that extends towards the bottom, settling chamber.In addition, also have following advantage, promptly can simultaneously organism and nutritive substance be removed by the anaerobism groove.
Claims (8)
1. sewage disposal device is characterized in that this equipment comprises:
The 1st anaerobism groove (2), the 1st anaerobism groove (2) comprises sewage inlet (20), and the 1st anaerobism groove is used to admit the sewage that flows into by sewage inlet, makes precipitate contained in the sewage, organism in throw out and the sewage is carried out anaerobic digestion, and make them that denitrification reaction take place;
The 2nd anaerobism groove (3), the 2nd anaerobism groove (3) have to make dirty goes into inlet (13) in it from the 1st anaerobism concentrated flow, and the 2nd anaerobism groove is used to admit the sewage that is flowed into, and makes the contamination precipitation in the sewage, and it is carried out anaerobic digestion, and makes it that denitrification reaction take place;
Contact aeration chamber (4), this contact aeration chamber (4) comprises inlet (22) that sewage is gone into from the 2nd anaerobism concentrated flow, air fed mechanism (23) to the sewage that flows into by this inlet (22), admit aerobic microbiological, make the contacted mechanism of this aerobic microbiological and sewage, this contact aeration chamber (4) is used for sewage is contacted with aerobic microbiological, and this sewage is carried out aerobic sigestion;
Settling chamber (5), this settling chamber (5) has the border of relative contact solarization air cell (4), the separates walls (11) that its bottom is formed with opening (24), this settling chamber (5) is used for admitting the opening (24) by separates walls (11), the sewage that flows into from the contact aeration chamber, and the throw out in the sewage separated;
Mud e Foerderanlage (17), this mud e Foerderanlage (17) bottom of (5) extend towards the top of the 1st anaerobism groove (2) from the settling chamber, and at least a portion in above-mentioned throw out in settling chamber (5) is flowed to the 1st anaerobism groove (2);
Carry the inlet (18) of the sewage in the settling chamber (5);
Circular chamber (6), this circular chamber is positioned at the top of the 1st anaerobism groove (2) and/or the 2nd anaerobism groove (3), its inside is provided with filter element (26), by being attached to the microorganism on the filter element (26), carrying the sewage of coming, the organism that is untreated in the sewage is decomposed from inlet (18).
2. equipment according to claim 1 is characterized in that this equipment also comprises transferpump (14), and this transferpump is used to make sewage to flow towards the contact aeration chamber from the 2nd anaerobism groove.
3. equipment according to claim 1, it is characterized in that above-mentioned mud e Foerderanlage (17) comprises diffuser tube (15) and air upcast (30), the air admission air upcast (30) that injects by diffuser tube (15) also rises therein, mud is entered in the air upcast (30) and produces and moves.
4. equipment according to claim 1 is characterized in that in sewage air fed mechanism by gas blower (23), and the diffuser tube (15) that makes the air of being supplied be fine shape bubble constitutes.
5. equipment according to claim 1 is characterized in that admitting the mechanism of aerobic microbiological to be made of the contact percolation parts (16) more than 1.
6. equipment according to claim 5 is characterized in that the porous tabular filter element of tabular filter element for being formed by polyurethane.
7. equipment according to claim 1 is characterized in that the bottom surface of settling chamber (5) contacts the bottom surface inclination of solarization air cell (4) relatively.
8. equipment according to claim 1, the sewage capacity that it is characterized in that the 2nd anaerobism groove is equivalent to half of the 1st anaerobism tankage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98104107A CN1121351C (en) | 1998-01-09 | 1998-01-09 | Small-scale efficient sewage treatment installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98104107A CN1121351C (en) | 1998-01-09 | 1998-01-09 | Small-scale efficient sewage treatment installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1222490A CN1222490A (en) | 1999-07-14 |
| CN1121351C true CN1121351C (en) | 2003-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98104107A Expired - Fee Related CN1121351C (en) | 1998-01-09 | 1998-01-09 | Small-scale efficient sewage treatment installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121351C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100418893C (en) * | 2005-06-09 | 2008-09-17 | 浙江德安新技术发展有限公司 | Domestic sewage treating device |
| CN1321074C (en) * | 2005-12-09 | 2007-06-13 | 宁波工程学院 | Novel active sludge process with reduced excess sludge |
| KR100989414B1 (en) * | 2010-03-15 | 2010-10-26 | 대송환경개발(주) | Equipment for the treatment of waste liquid using water-purifier tank |
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1998
- 1998-01-09 CN CN98104107A patent/CN1121351C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1222490A (en) | 1999-07-14 |
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