CN1251826A - Equipment and process for clarifying daily-life sewage - Google Patents
Equipment and process for clarifying daily-life sewage Download PDFInfo
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- CN1251826A CN1251826A CN98121805A CN98121805A CN1251826A CN 1251826 A CN1251826 A CN 1251826A CN 98121805 A CN98121805 A CN 98121805A CN 98121805 A CN98121805 A CN 98121805A CN 1251826 A CN1251826 A CN 1251826A
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Abstract
An equipment and process for clarifying daily-life sewage features use of three-stage fermentation. For stage-one fermenting pool, its pool body is divided into multiple chambers by longitudinal and transverse partitions and the inclined tubes are used to guide stream and scavenge surface slime. For the stage-2 and -3 fermenting pools, internal and external sleeved cylinders are used. The circular floated substance is arranged in internal cylinder for breaking surface slime, or micro porous material is filled in it for filtering and decolouring. Its advantages are making the sewage flows in waves rolling mode to break surface slime, decreasing deposit, improving living environment of anaerobic microbe and promoting degradation and digestion of organic substances, resulting in higher clarifying effect.
Description
The invention belongs to the sanitary sewage disposal technical field, be specifically related to a kind of equipment and technology of purifying domestic sewage.
Prior art adopts the normal temperature anaerobic fermentation technology to sanitary sewage disposal more.Several forms below main now the employing:
1. do not extract biogas with anaerobically fermenting, focus on the technology of intensive filtration, this structure sewage residence time is 24 hours, does not have descum and shifts the measure that activates end slag, certainly will be because of the accumulation of scum silica frost, sediment, enlarge the occupy-place of sweathouse gradually, reduce its degraded digestive function, the solid substance of discharge increases gradually, add the big filter load, reduce the filter rate, cause the effect of administering sewage to descend day by day, will cause operation to be obstructed when serious.And the biogas that anaerobically fermenting certainly leads to is not because of taking, if arrange in the air atmosphere pollution; Row is underground if loose, because of biogas Containing Sulfur radon about 3%, sulfonium ion will become hidden danger in underground accumulation.
2. front end anaerobically fermenting, the technology of rear end aeration.This structure is still because front end is failed descum and promote the degraded digestion of sediment, so that accumulation, because of the expansion of its occupy-place reduces the function of fermenting gradually.And increasing solid substance enters aerating apparatus, and the aeration load is increased thereupon, and corresponding reduction aeration effect causes aeration tank mud accumulation, need to do to handle again, and aeration power consumption and diffusion foul smell, atmosphere is got dirty, and also will grow mosquito.
3. settle the technology of wadding between anaerobically fermenting, be intended to more all distribute organism of fermentation, the harder material of employing is also arranged, but all can not stop the generation of scum silica frost, the function of no descum, and sweathouse short-circuit flow row can not guarantee the organic residence time.So, inaccessible high-level emission effect and long-term effect.
4. the applicant once applied for a patent " treatment facility of lower concentration liquid dung " (patent No.: 85102278.2), it mainly acts on was automatic broken scum silica frost, had strengthened solid retention time on the basis of solid-liquid separation, thereby had promoted organic degraded digestion.But 2 deficiencies are arranged: the one,, residence time is longer, needs 72 hours, so that the device of building is bigger, and required vacant lot is more relatively, local not enough adaptation that this is few to main building periphery vacant lot; The 2nd,, water outlet does not reach the primary standard of GB8978-88.Require the high cities and towns of standard incompatible to sewage discharge.
The objective of the invention is to above-mentioned many deficiencies at the prior art existence, a kind of purifying domestic sewage equipment and technology are provided, adopt multistage fermentation vat structure, fermentation vat adopts partition, inclined tube water conservancy diversion in length and breadth, sweeping dreg and with the broken scum silica frost of floating thing filler, filter particulates is removed look, to improve decontamination effect improving.
Technical scheme of the present invention is as follows:
Normal temperature anaerobic fermentation mainly relies on action of microorganisms.It is organic solid substance that the microorganism in common fermentation pond cuts body, solid substance is deposited in the bottom because of gravity more, if it is dull in the bottom, cause the microbial metabolites accumulation, nutriment supply-demand imbalance, microbial activity just reduce, and in go up water layer and lack microbial profile, cause the degraded digestive function of fermentation vat low, wastewater treatment efficiency is poor.
The present invention has designed the fermentation vat of special construction, and adopts secondary or three grade fermemtation structure, and is specific as follows:
Purifying domestic sewage equipment, comprise one grade fermemtation pond and second order fermentation pond, fermentation vat is made up of pond body, lid, entery and delivery port, body inside, pond, one grade fermemtation pond vertically, is laterally cut by dividing plate and is divided into a plurality of chambers, establish inclined tube on the dividing plate between the chamber, be communicated with each chamber successively, brush all is installed in each chamber.Behind the one grade fermemtation, through between a backwater, connect the second order fermentation pond, the second order fermentation pond is the inner and outer sleeves formula, cut by dividing plate between the inside and outside tube and be divided into a plurality of chambers, establish inclined tube on the dividing plate between the chamber, be communicated with each chamber successively, and have only last chamber of flow direction to be communicated with inner core through the water hole at inner core center, circular or cylindrical floating thing are housed in the inner core by outer tube bottom.
The water outlet in second order fermentation pond also can connect the three grade fermemtation pond after connecting between a backwater, and the three grade fermemtation pond also is the inner and outer sleeves formula, and outer tube bottom is communicated with inner core through the water hole at inner core center, fills difficult rotten many micropores in the inner core and filler except that the look effect is arranged.Can establish a water distribution ring between the inner and outer sleeves in three grade fermemtation pond, the water distribution ring bottom is communicated with water-in.Entire equipment also is provided with the water-in and water-out passage of each sweathouse of by-pass flow pipe coupling.
Adopt the setting of said structure, the present invention carries out sewage disposal according to following processing step:
1. fence sand setting: the sewage of discharging earlier with heavy inorganics of fence resistance and excessive tangible material, is entered then
2. one grade fermemtation pond is carried out in length and breadth multistage to sewage and is held back, and through the water conservancy diversion inclined tube current is stirred up and down, and by advance, backwater drives the brush that overhangs in the water, makes that the dregs of society gain an upper hand, thereby broken scum silica frost, microbe inoculation promotes degraded digestion; Water outlet enters through between a backwater again
3. the inside and outside sleeve structure is adopted in the second order fermentation pond, and outer water vertically flows to inner core by hydraulic pressure from outer tube bottom, and the floating thing that drives in the inner core rotates, and prevents that the bulk scum silica frost from forming, and promotes organic matter degradation digestion in the water; Water outlet enters through between a backwater again
4. three grade fermemtation pond, also adopt the inside and outside sleeve structure, outer water is vertically flow to from outer tube bottom by hydraulic pressure, the difficult corruption of the filling in inner core, many micropores also have the filler except that the look effect to filter, particulate and colloidal solution in the detention water, and fully degraded digests and removes look, and water outlet is derived after between a backwater again.
Effect of the present invention and effect are as follows:
1. the one grade fermemtation pond adopts in length and breadth multistage to hold back, inclined tube road stream, and sweeping dreg: multistage has been held back organic solid substance in length and breadth, and reduces the current short circuit, increases flow process, guarantees the residence time, and it is corresponding less that device is built; Inclined tube road stream forms current and turns over stream up and down; Utilize, backwater drives the brush device, makes that the dregs of society gain an upper hand, impels active sludge constantly to move in full pond.Like this, both can broken scum silica frost, can activate scum silica frost by microbe inoculation again, short its degraded, thus improve its degraded digestive function greatly.Therefore, one grade fermemtation is lived most solid shape rejection to organics in the sewage, carries out the degraded digestion of greater efficiency.
2. the second order fermentation pool structure adopts telescopic mounting, utilizes outer water pressure, causes the vertical of internal layer water to flow.The outer section pipe that adopts is led, and forms and turns over stream up and down.The floating thing of internal layer installing circle or cylindricality is made the active sludge carrier.Water inlet is vertical flows, and orders about floating thing and rotates, and prevents that the bulk scum silica frost from forming, and constantly improves the living environment of anaerobion, and short its more all distribute in full pond, and the enhancement vigor promotes organic degraded to digest.
3. telescopic mounting is also adopted in the three grade fermemtation pond, and inner core is with being stale-proof with difficult rotten many micropores and material except that the look effect being arranged, and layering is completely adorned, with detention particulate and colloidal solution, and the digestion and remove look of degrading, reach the effect of fully purifying waste water.Behind three grade fermemtation, discharge water can reach the primary standard of GB8978-88.
4. after adopting this three grade fermemtation to handle, the viscosity of sewage reduces greatly, especially for ight soil, the design of drainage pipeline drop (can be generally 3%) 1% below thus, this outfall sewer to plains region and the building construction far away apart from water drain designs more favourable.
5. establish the by-pass flow pipe between between each backwater of fermentation vat, convenient for maintaining when certain one-level fermentation vat is keeped in repair, can be handled by the by-pass flow pipe next stage fermentation vat that directly sewage led, do not need a complete set of equipment to shut down when making maintenance, thus not overslaugh sewage emissions and processing.
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is this purifying domestic sewage equipment structure chart;
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment:
As depicted in figs. 1 and 2, a whole set for the treatment of plant is made up of the three grade fermemtation pond, and a catch-basin 3 is arranged before the one grade fermemtation pond 1, uses the fence sand setting, fermentation vats at different levels all establish cover 22, water-in 4 and water outlet 8, water outlet 8 all is connected between backwater 9.Be divided into a plurality of chambers for 6 sections by longitudinal and transverse dividing plate in the 1 pond body 2 of one grade fermemtation pond, the dividing plate 6 between the chamber is provided with inclined tube 5, leads each chamber of energy successively, is fixed with many brushes 7 on the crossbeam 23 in the pond body 2, overhangs to each chamber middle and lower part.Second order fermentation pond 21 is an inner and outer sleeves formula structure, be divided into a plurality of chambers for 6 sections by dividing plate between the inner and outer sleeves 10,11, establish inclined tube 5 on the dividing plate 6, press the order of flow direction, all shut the bottom of preceding several chambers, has only the water hole 13 by inner core center, urceolus 10 bottom of last chamber of flow direction to be communicated with inner cores 11.Circular floating thing 12 is housed in the inner core 11, the mouth of pipe of the inclined tube 5 that I and II fermentation vat 1,21 is provided with should be lower than the liquid level position of the designed maximum gas pressure of pond body, this device air pressure is controlled at the 40-60 centimeter water column and presses and to add three grade fermemtation pond 20 structures and also be the inside and outside sleeve formula, a water distribution ring 15 between the inner and outer sleeves 14,16, water distribution ring 15 bottoms tap into the mouth of a river 4, one prosopyle 18 is arranged at inner core 16 bottoms, so that the water of urceolus 14 vertically flows to inner core 16 by inner core 16 bottoms.Look usefulness is made to filter, removed to the inner core 16 interior thick stick carbon 17 of filling.
This equipment also is provided with by-pass flow pipe 19 and links to each other with the Inlet and outlet water passage of fermentation vats at different levels, and this equipment is can be thoroughly underground in the vacant lot of main building periphery, greenery patches, pipeline etc., can be wide, can be narrow, can be deeply, can be shallow.
This equipment adopts following technology that water is carried out purifying treatment:
The sanitary sewage of discharging flows to catch-basin 3 earlier, fence through catch-basin 3, heavy inorganics of resistance and excessive tangible material, enter one grade fermemtation pond 1 then, sewage is turned over by a chamber through inclined tube 5 and flows to another chamber, make the upper, middle and lower water layer interaction in the pond, the scum silica frost of broken upper water, the dregs of society gain an upper hand to make part in the lower layer of water, and because advance, backwater drives the brush 7 overhang in the water, the dregs of society gain an upper hand in brush 7 drive lower layer of water, makes the solid shape organism in the water carry out efficient degradation digestion.The water outlet in one grade fermemtation pond 1 is through between a backwater 9, enter second order fermentation pond 21, many lattice inclined tube 5 through second order fermentation pond 21 turns over stream again, organism in the further degradation water, and by vertically flowing that inner core 11 water inlets form, the floating thing 12 of circle that orders about inner core 11 rotates, and prevents that the bulk scum silica frost from forming, and constantly improves the living environment of anaerobion.Promote organic degraded digestion.Water after the processing in second order fermentation pond 21, through between a backwater 9, enter three grade fermemtation pond 20 at last, the water inlet in three grade fermemtation pond 20 flows to urceolus 14 bottoms equably by water distribution ring 15, nationality hydraulic pressure vertically flows to inner core 16 by prosopyle, 16 end of inner core 18 again, cross the filtering look through thick stick carbon 17 and flow out, finish whole scavenging process.
Claims (5)
1. purifying domestic sewage equipment, comprise one grade fermemtation pond (1) and second order fermentation pond (21), fermentation vat is made up of pond body (2), lid (23), entery and delivery port (4,8), it is characterized in that inner vertically, laterally being cut by dividing plate (6) of pond, one grade fermemtation pond body (2) is divided into a plurality of chambers, establish inclined tube (5) on the dividing plate between the chamber, be communicated with each chamber successively, brush (7) all is installed in each chamber; One grade fermemtation pond (1) connects between a backwater after (9), connect second order fermentation pond (21) again, the second order fermentation pond is the inner and outer sleeves formula, cut by dividing plate (6) between the inside and outside tube (10,11) and be divided into a plurality of chambers, establish inclined tube (5) on the dividing plate between the chamber, be communicated with each chamber successively, and have only last chamber of flow direction to be communicated with inner core (11) through the water hole (13) at inner core center, floating thing (12) is housed in the inner core (11) by urceolus (10) bottom.
2. purifying domestic sewage equipment according to claim 1, the water outlet (8) that it is characterized in that second order fermentation pond (21) connects between a backwater after (9), also can connect three grade fermemtation pond (20), the three grade fermemtation pond also is the inner and outer sleeves formula, urceolus (14) bottom is communicated with inner core (16) through the water hole (18) at inner core center, fill difficult rotten many micropores in the inner core (16) and filler except that the look effect is arranged, the water outlet (8) of three grade fermemtation pond (20) connects between backwater (9).
3. purifying domestic sewage equipment according to claim 2 is characterized in that can establishing a water distribution ring (15) between the inner and outer sleeves (14,16) of three grade fermemtation pond (20), and the water distribution ring bottom is communicated with pond body water-in (4).
4. purifying domestic sewage equipment according to claim 2 is characterized in that also being provided with the water-in and water-out passage that by-pass flow pipe (19) connects each sweathouse.
5. the technology of utilizing the described purifying domestic sewage setting of claim 1 to purify waste water is characterized in that may further comprise the steps:
1. fence sand setting: to the sewage of discharging earlier with heavy inorganics of fence resistance and excessive tangible material; Enter then
2. one grade fermemtation pond is carried out in length and breadth multistage to sewage and is held back, and through the water conservancy diversion inclined tube current is stirred up and down, and by advance, backwater drives the brush that overhangs in the water, makes that the dregs of society gain an upper hand, thereby broken scum silica frost, microbe inoculation promotes degraded digestion; Water outlet enters through between backwater again
3. the inside and outside sleeve structure is adopted in the second order fermentation pond, and outer water vertically flows to inner core by hydraulic pressure from outer tube bottom, and the floating thing that drives in the inner core rotates, and prevents that the bulk scum silica frost from forming, and promotes organic matter degradation digestion in the water; Water outlet enters through between backwater again
4. three grade fermemtation pond, also adopt the inside and outside sleeve structure, outer water is vertically flow to from outer tube bottom by hydraulic pressure, the difficult corruption of the filling in inner core, many micropores also have the filler except that the look effect to filter, particulate and colloidal solution in the detention water, and fully degraded digests and removes look, and water outlet is derived after between a backwater again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98121805A CN1115305C (en) | 1998-10-20 | 1998-10-20 | Equipment and process for clarifying daily-life sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98121805A CN1115305C (en) | 1998-10-20 | 1998-10-20 | Equipment and process for clarifying daily-life sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1251826A true CN1251826A (en) | 2000-05-03 |
| CN1115305C CN1115305C (en) | 2003-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98121805A Expired - Fee Related CN1115305C (en) | 1998-10-20 | 1998-10-20 | Equipment and process for clarifying daily-life sewage |
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| Country | Link |
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| CN (1) | CN1115305C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250817A (en) * | 2018-09-29 | 2019-01-22 | 成都市农林科学院 | Sanitary sewage purifying biogas generating pit |
-
1998
- 1998-10-20 CN CN98121805A patent/CN1115305C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250817A (en) * | 2018-09-29 | 2019-01-22 | 成都市农林科学院 | Sanitary sewage purifying biogas generating pit |
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| Publication number | Publication date |
|---|---|
| CN1115305C (en) | 2003-07-23 |
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