CN101417847A - Domestic living waste water treater - Google Patents

Domestic living waste water treater Download PDF

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Publication number
CN101417847A
CN101417847A CNA2007101803731A CN200710180373A CN101417847A CN 101417847 A CN101417847 A CN 101417847A CN A2007101803731 A CNA2007101803731 A CN A2007101803731A CN 200710180373 A CN200710180373 A CN 200710180373A CN 101417847 A CN101417847 A CN 101417847A
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China
Prior art keywords
water
waste water
pipe
cyclator
groove
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CNA2007101803731A
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Chinese (zh)
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浜端英男
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Kurita Water Industries Ltd
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Kurita Water Industries Ltd
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Priority to CNA2007101803731A priority Critical patent/CN101417847A/en
Publication of CN101417847A publication Critical patent/CN101417847A/en
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Abstract

The invention provides a domestic wastewater treatment device for treating domestic wastewater and realizing the reuse of the domestic wastewater at low cost, which respectively and independently comprises a first treatment system and a second treatment system, wherein the first treatment system comprises a first biological treatment trough (15), a first coagulating sedimentation device (17), a first filtering device (19) and a first treatment water tank (20); and the second treatment system comprises a second biological treatment device (25), a second coagulating sedimentation device (27), a second filtering device (29) and a second treatment water tank (30). By treating the kitchen wastewater and the bathroom wastewater respectively in the first treatment system and the second treatment system, the device can reuse the water for different purposes.

Description

Domestic living waste water treater
Technical field
The present invention relates to kitchen waste water, from the waste water of toilet, bathroom waste water etc., the domestic living waste water treater of Pai Chuing in daily life particularly relates to the treatment unit of the sanitary wastewater that comprises the biological treating tank that uses the microbiological treatment sanitary wastewater.
Background technology
Generally sanitary wastewater is delivered to down the water treatment field by water drain, the wastewater treatment of removing the dirty material in the sanitary wastewater in following water treatment field.Sanitary wastewater can be divided into kitchen waste water according to its waste water source, waste water of toilet, bathroom waste water, the waste water that washes one's face, washes etc.These various sanitary wastewater majorities utilize same water drain to compile, and in water drain, kitchen waste water or waste water of toilet etc. becomes the blended state.In recent years, developed the kitchen surplus stock that contains moisture headed by the vegetables bits has been expelled in the water drain, the technology of handling with sanitary wastewater (No. the 269614th, Japan's patent).
To concentrate on from the sanitary wastewater of a plurality of families or public institution's discharge under the local situation about handling, the most employing collects in the above-mentioned processing mode of handling in the same water drain with various sanitary wastewaters.On the other hand, mainly play the effect of processing waste water of toilet respectively at the purification tank of each family or the setting of each public institution.Also have motion to point out in this purification tank, with the treatment process (the patent disclosure communique spy of Japan opens flat 8-52483 number) of waste water of toilet and other sanitary wastewater separate treatment.
Yet, in waste water of toilet, comprise the various bacteriums of discharging in the human body, the situation that has pathogenic bacteria is wherein arranged.Because like this, handle the treating water that waste water of toilet obtains in order to utilize again, must carry out disinfection with chlorine etc.But in the treatment facility of reality, chlorine is handled or have the ozonize of more potent fruit than the chlorine processing even carry out, and also is difficult to kill fully these bacteriums.On the other hand, it is many that kitchen waste water contains oil condition, different with waste water of toilet, do not contain harmful bacterium.Therefore, the kitchen waste water sterilization that do not need to carry out height promptly can utilize again.
But in compiling the process of water, under waste water of toilet and other sanitary wastewater blended situations, bacterium mixes in the whole processed waters that obtain with other sanitary wastewaters at waste water of toilet spreads.Because like this, handle the treating water that sanitary wastewater obtains, must from whole treating water, remove fully and degerm, but as mentioned above, need suitable cost and be difficult to complete kill bacteria in order to utilize again.
Utilize described method Japanese kokai publication hei 8-52483 number, the dung urine wastewater treatment portion that waste water of toilet is flowed into is set, waste water of toilet and other wastewater treatments are handled respectively.Here, carbon source is fewer because the waste water of toilet nitrogenous source is many, in independent waste water of toilet, does not need to remove well denitrification.In the purification tank described in the Japanese kokai publication hei 8-52483, will urinate the effusive treating water of wastewater treatment portion from dung and import the water treatment portion with anaerobism groove and aerobic slot and handle.
That is: in Japanese kokai publication hei 8-52483 number described purification tank, because waste water of toilet mixes with other sanitary wastewaters in treating processes, in order to utilize the treating water in purification tank again, must be to the treating water disinfection in whole purification tanks.Therefore, be difficult to accomplish cheaply and safely to utilize again the treating water of sanitary wastewater.
Summary of the invention
The present invention is based on the problems referred to above and proposes, its objective is the treatment unit that a kind of sanitary wastewater will be provided, it can get rid of the doubt that mushroom pollutes surrounding enviroment fully, reduces the cost of the treating water that utilizes sanitary wastewater again, promotes effective utilization of water resources.
In the present invention, utilize different systems that waste water of toilet and kitchen waste water are handled, the temporary transient treating water of in different water tanks, storing separately, so treating water can utilize in multiple use again.More specifically the invention provides following content.
The invention provides a kind of domestic living waste water treater, comprising: the kitchen waste water pipe that an end is connected with the water port of kitchen waste water; First biological treating tank that is connected with the other end of described kitchen waste water pipe; To first cyclator that carries out coagulative precipitation from effusive first biological treatment of water of described first biological treating tank; First supernatant liquor that obtains from described first cyclator is carried out filtering first filtration unit; First of first filtered water that temporary storage obtains from described first filtration unit is handled water tank; The dung urine class waste pipe that compiles waste water of toilet; Second biological treating tank that is connected with described dung urine class waste pipe; To second cyclator that carries out coagulative precipitation from effusive second biological treatment of water of described second biological treating tank; Second supernatant liquor that obtains from described second cyclator is carried out filtering second filtration unit; Second of second filtered water that obtains from described second filtration unit with temporary storage is handled water tank.
Adopt the present invention, can utilize the treating water of sanitary wastewater again, can get rid of the doubt of mushroom diffusion causing pollution.Therefore, can in the purposes that the possibility that contacts with human body is arranged, utilize treating water again.Therefore, can enlarge the purposes of the processing Water reuse that is only limited to the toilet water at present.As a result, can be with the utilization ratio again of the treating water of sanitary wastewater from increasing considerably about 15% to about 40~50%.In addition, according to the present invention, can the low-cost processes sanitary wastewater, so that can utilize again.
Description of drawings
Fig. 1 is the synoptic diagram of the domestic living waste water treater of one embodiment of the present of invention.
Nomenclature
1 domestic living waste water treater
11 first filter screens
12 oily-water seperating equipments
13 first adjust groove
14 first sludge sumps
15 first biological treating tanks
16 first water extracters
17 first cyclators
18 first wastewater troughs
19 first filtration units
20 first handle water tank
21 second filtering nets
22 crushers
23 second adjust groove
24 second sludge sumps
25 second biological treating tanks
26 second water extracters
27 second cyclators
28 second wastewater troughs
29 second filtration units
30 second handle water tank
31 kitchen sink drain
Embodiment
Below utilize accompanying drawing, explain the present invention.Fig. 1 is the synoptic diagram of the domestic living waste water treater 1 of an embodiment of the invention.Treatment unit 1 is made of second treatment system of first treatment system of handling kitchen waste water and processing waste water of toilet.First treatment system is handled kitchen waste water or is not contained other sanitary wastewaters (bathroom waste water, the waste water that washes one's face, washes etc.) of dung urine and the mixed waste water of kitchen waste water.On the other hand, second treatment system is handled waste water of toilet or is not contained other sanitary wastewaters (bathroom waste water, the waste water that washes one's face, washes etc.) of kitchen waste water and the mixed waste water of waste water of toilet.First treatment system and second treatment system have biological treating tank, clarification respectively from the settler of the outflow water of biological treating tank and the processing water tank of filtration unit and temporary storage treating water.Different compile the pipe arrangement that water uses and be connected with the biological treating tank of first treatment system and the biological treating tank of second treatment system respectively, the processing of two systems is carried out under isolating state, does not mix and imports different processing water tanks respectively.In the present embodiment, in first treatment system, handle kitchen waste water especially, in second treatment system, handle waste water of toilet, do not mix kitchen waste water and waste water of toilet and handle respectively.Below specifically describe.
First treatment system has kitchen waste water pipe 31.One end of kitchen waste water pipe 31 is connected with the water port in kitchen, is provided with first filter screen 11 and first halfway and adjusts groove 13.First biological treating tank 15 that constitutes by anaerobism groove 15A and aerobic slot 15B in first backend configuration of adjusting groove 13.Aerobic slot 15B is configured in the back segment of anaerobism groove 15A.The treating water of aerobic slot 15B is sent back to the anaerobism groove 15A by sending pipeline 32 back to from aerobic slot 15B, carries out nitrogen by denitrogenation processing and remove in anaerobism groove 15A.
Back segment at first biological treating tank 15 disposes first cyclator 17 successively, first filtration unit 19 and first is handled water tank 20.First biological treating tank 15 is connected with first cyclator, 17 usefulness 1SS water pipes 33.First cyclator 17 utilizes the first supernatant liquor pipe 35 to be connected with first filtration unit 19.First filtration unit 19 and first is handled water tank 20 and is utilized the first filtration water pipe 37 to be connected.
Kitchen waste water pipe 31 can compile the kitchen waste water that discharge in from a plurality of places (a plurality of kitchens in a plurality of families, public institution or the same family or the same public institution) by making the draining oral-lateral ramose structure in kitchen.In addition, be connected with assorted waste pipe 40 on the kitchen waste water pipe 31, make the assorted waste water of bathroom waste water, wash one's face waste water and washes etc. flow into kitchen waste water pipe 31 from assorted waste pipe 40.These assorted waste water, are handled in first treatment system with the kitchen waste water through oily-water seperating equipment 12 described later by kitchen waste water pipe 31.Kitchen waste water pipe 31 be provided with first filter screen (solids separate mesh) 11 midway, can separate the solids that comprises in the kitchen waste water.Here, also can omit first filter screen 11, crusher also can be set replace first filter screen 11, solids is ground into the mud shape.
Be provided with first at the rear of first filtering net 11 at kitchen waste water pipe 31 midway, and adjust groove 13.Adjust groove 13 by being provided with first, can be corresponding with the flow change.First adjusts groove 13 send the pipe 51 and second profit to send pipe 52 to be connected with oily-water seperating equipment 12 by first profit.Assorted waste water such as bathroom waste water also flow into kitchen waste water pipe 31 at first rear of adjusting groove 13, therefore kitchen waste water with carry out oily water separation before assorted waste water mixes.Therefore, even under kitchen waste water and the assorted waste water blended situation, also can avoid the increase of the processed water yield of oily-water seperating equipment 12, just there is no need to make oily-water seperating equipment 12 to maximize.
The kind of oily-water seperating equipment 12 has no particular limits.In addition, also can oily-water seperating equipment be set between first filter screen 11 and the first adjustment groove 13 replaces sending the pipe 51 and second profit to send pipe 52 to be connected the structure of oily-water seperating equipment 12 by first profit.Adopt the structure of Fig. 1, even under the situation that the change of the flow of processed kitchen waste water is big in first treatment system, the feed rate of the processed water of supplying with to oily-water seperating equipment 12 also can stabilization.In addition, adjust groove (not shown) being provided with of assorted waste pipe 40 midway in this embodiment, absorb the flow change of assorted waste water.But, also the waste pipe 40 of mixing can be connected first leading portion of adjusting groove 13, adjust the flow change that groove absorbs assorted waste water first.On the other hand, oily-water seperating equipment 12 is arranged on kitchen waste water pipe 31 midway, also can omits first profit and send pipe 51 and second profit to send pipe 52, can prevent that simultaneously first adjusts adhering to of oil slick in the groove 13.
The aerobe treatment unit of first biological treating tank 15 under aerobic condition, carrying out a biological disposal upon, the active sludge of the concentration about maintenance 2000~8000mg/L.In addition, provide necessary oxygen, be provided with diffuser T at the groove inner bottom part in order under aerobic condition, dirty material to be carried out biological decomposition.In addition, also can use injector or stirrer etc. to replace diffuser T.
In anaerobism groove 15A and aerobic slot 15B, add support C respectively.By adding support C, can improve the microorganism concn in first biological treating tank 15, and can keep the slow microorganism of rate of propagation.Therefore, 15 miniaturizations of first biological treating tank can be made, the rate of decomposition of the such hardly-degradable substance of tensio-active agent can be improved.In addition, utilize biological food chain, can reduce the amount of the mud that generates by first biological treating tank 15.
Because the processed water of being handled by first treatment system not by bacterial contamination, therefore requires as the agricultural water or landscape water (water spray water etc.) can use this treating water under the situation of water quality highly.In addition, the biological treatment of water that imports first cyclator 17 from 1SS water pipe 33 comprises the outstanding absurd creature (SS) of insoluble based on microorganism mud.Use the first agglutinant adding set, agglutinant is added in the biological treatment of water that contains SS.By adding agglutinant, remove SS, remove dephosphorization and tensio-active agent simultaneously, can access the treating water in the place that is applicable to the such requirement of agricultural water water quality highly.
The first agglutinant adding set is made of the agglutinant storage tank 50 and the first agglutinant injection tube 53.Can use and phosphorus chemistry bonded agglutinant arbitrarily as agglutinant.Specifically, can enumerate poly aluminium chloride, iron(ic) chloride, organic agglutinant such as inorganic agglutinant such as sulfuric acid alumina and nonionic system, negatively charged ion system, positively charged ion system.
Agglutinant injection tube 53 can be connected with pipe 33 with 1SS, also can be connected with first cyclator 17.In the present embodiment, as first cyclator 17, use high speed cyclator (being also referred to as the contact cyclator).Therefore, also can carry out water flowing speed (LV) is high speed processing about 2~3m/hr (hour).
In first cyclator 17, carry out the separated sludge that solid-liquid separation obtains and deliver to first water extracter 16 by first sludge pipe 34.First pollution pipe 34 be provided with first sludge sump 14 midway, temporary storage is by first cyclator, 17 isolating mud.To be discharged to outside the system by the dewatered sludge that first water extracter 16 is discharged sludge dewatering, dehydration filtrate is delivered to first wastewater trough 18 by first filtrate pipe 36.
On the other hand, deliver to first filtration unit 19 by first cyclator, 17 isolating mud and isolating supernatant liquor by the first supernatant liquor pipe 35.Can use as first filtration unit 19 and to carry out the filtration unit that LV is the high-rate fitration about 10~20m/hr.
First filtration unit 19 has filtering material in inside, makes backwashing water flowing with the supernatant liquor reverse direction, suitably cleans filtering layer.By the backwashing wastewater that back flushing produces, deliver to first wastewater trough 18 by the first back flushing water pipe 38.First wastewater trough 18 is adjusted groove 13 by first return line 39 and first and is connected, and backwashing wastewater and dehydration filtrate are handled by first biological treating tank 15.
In the present embodiment and since first sludge pipe 34 be provided with first sludge sump 14 midway, can be adjusted at the sludge quantity of dehydration in first water extracter 16, the generating capacity of control dehydration filtrate.Therefore, can be consistent with the generating capacity or the time of origin of backwashing wastewater, adjust the generating capacity of dehydration filtrate, suitably keep the water-retaining capacity of first wastewater trough 18.As a result, can at any time liquid in the groove of first wastewater trough 18 be supplied with first and adjust groove 13 according to the amount or the water quality of liquid in the groove of the first adjustment groove 13.Like this, be not only first and adjust groove 13,, can absorb the flow or the water quality change of the processed liquid in first treatment system, can carry out stable treated by first sludge sump or first wastewater trough 18 are set.
Second treatment system is disposing biological treating tank successively, cyclator, filtration unit with handle this aspect of water tank on identical with first treatment system.But, in second treatment system, handle waste water of toilet.Therefore, in second treatment system, the toilet drainage mouth is separated as independent system and kitchen water port,, waste water of toilet is delivered to biological treating tank (second biological treating tank) 25 by dung urine class waste pipe 41.
In addition, in the present embodiment, bathroom waste water, the waste water that washes one's face, washes and the waste water (assorted waste water) of following other daily lifes to produce with kitchen waste water, are handled in first treatment system.Sanitary wastewater beyond this kitchen waste water and the waste water of toilet (assorted waste water) can utilize in first and second treatment systems any to handle, and also can be dispensed to two sides and handle.But the part of the treating water after second treatment system is handled will be utilized as the use in toilet water cycle again, can produce therefore that salt concentrates and possibility that the incrustation scale infringement is arranged.Therefore, preferably mix kitchen waste water other sanitary wastewaters (assorted waste water) and waste water of toilet in addition, guarantee the water yield, make that handling the over half for the treatment of water that obtains in second treatment system is released, remaining part is utilized as the use in toilet water cycle again.
Second cyclator 27 that is configured in the back segment of second biological treating tank 25 utilizes 2SS water pipe 43 to be connected with second filtration unit 29; Second cyclator 27 utilizes the second supernatant liquor pipe 45 to be connected with second filtration unit 29.In addition, second filtration unit 29 and the second processing water tank 30 utilize the second filtration water pipe 47 to be connected.
Dung urine class waste pipe 41 compiles the waste water of toilet that (a plurality of waste water of toilet mouths in a plurality of families, public institution or the same family or the same public institution) discharge from a plurality of places.Dung urine class waste pipe 41 be provided with second filtering net 21 and crusher 22 midway so that broken and separate solid thing.Therefore, can separate the solids that contains in the waste water of toilet.In the present embodiment, be provided with crusher 22 at the rear of second filter screen 21, can the broken solids in thinner ground by second filter screen 21.Crusher 22 is located at second filter screen, 21 fronts, and the mesh of second filter screen also can be littler.
At dung urine class waste pipe 41 midway, be provided with second at the rear of second filter screen 21 and adjust groove 23.Adjust groove 23 by being provided with second, can be corresponding with the flow change.
Second biological treating tank 25 is connected in series by anaerobism groove 25A and aerobic slot 25B and constitutes, and aerobic slot 25B is configured in the back segment of anaerobism groove 25A.Send the treating water of aerobic slot 25B back to anaerobism groove 25A from aerobic slot 25B by sending pipe arrangement 32 back to, 25A carries out removing of nitrogen by denitrogenation processing at the anaerobism groove.Wherein, these biological treating tanks also can constitute: the aerobe treatment unit of carrying out a biological disposal upon under aerobic condition.The biological treating tank 15,25 of present embodiment carries out carrying out denitrogenation in anaerobic treatment portion after aerobe handles in the aerobic treatment portion that possesses diffuser T etc., can improve the rate of removing of nitrogen.In the present embodiment, in biological treating tank, add carrier, but also can omit carrier.Particularly,, can improve the maintenance dose of the slow nitrobacteria of rate of propagation, improve the effect of removing of nitrogen if add carrier in aerobic treatment portion.
From second biological treating tank, 25 effusive biological treatment of water with contain SS equally from first biological treating tank, 15 effusive treating water.In second treatment system, before and after the coagulative precipitation in second cyclator 27 is handled, use the second agglutinant adding set and the 3rd agglutinant adding set to add agglutinant.The second agglutinant adding set is made of the agglutinant storage tank 50 and the second agglutinant injection tube 54.The 3rd agglutinant adding set is made of agglutinant storage tank 50 and the 3rd agglutinant injection tube 55.In the present embodiment, with add same agglutinant as the agglutinant that in first treatment system and second treatment system, adds as prerequisite, agglutinant storage tank 50 is that first~the 3rd agglutinant adding set is shared.In addition, the agglutinant kind of being added by each agglutinant adding set also can change, and for example also can add inorganic agglutinant in the first agglutinant adding set and the second agglutinant adding set, and add organic agglutinant at the 3rd agglutinant adding set.
The second agglutinant injection tube 54 can be connected with 2SS water pipe 43, also can be connected with second cyclator 27.The 3rd agglutinant injection tube 55 is connected the second supernatant liquor pipe 45 midway.In second treatment system, utilizing second cyclator 27 to carry out LV is after coagulative precipitation about 1~2m/hr is handled, adding agglutinant again, the SS that comprises in the supernatant liquor is resolved into fine piece, is to carry out aggegation about 5~10m/hr to filter with second filtration unit 29 with LV.
Carry out the separated sludge that solid-liquid separation obtains by second cyclator 27, deliver to second water extracter 26 by second sludge pipe 44.Be provided with second sludge sump 24 midway at second sludge pipe 44.
From the backwashing wastewater that second filtration unit 29 is discharged,, deliver to second wastewater trough 28 by the second back flushing water pipe 48.Second wastewater trough 28 is adjusted groove 23 by second return line 49 and second and is connected, and handles backwashing wastewater and dehydration filtrate in second biological treating tank 25.By this structure, in second treatment system, can absorb the flow or the water quality change of processed liquid, carry out stable treated.
As mentioned above, domestic living waste water treater 1 is made of mutual unmixed different treatment system, and kitchen waste water and waste water of toilet utilize treatment system separately to handle respectively, import different processing water tanks.
Because the bacterium that kitchen waste water is not contained in the human body or body surface exists, be stored in and be located at first in first treatment system of handling kitchen waste water and handle treating water in the water tank 20 and can not sterilize and utilize again.But, also can the treating water of kitchen waste water be carried out disinfection in order to prevent corruption.Particularly, in the present embodiment, handle first treatment system of kitchen waste water and also handle assorted waste water, in this case, preferably the treating water to first treatment system carries out disinfection.Contain the bacterium that gets off from the human body wash in the assorted waste water, but because its concentration is not high, can need not to carry out the sterilization of height and utilize the Herb of Common violet of lower concentration to carry out disinfection, carry out this processing Water reuse.Therefore, though since first treating water of handling water tank 20 do not contain Herb of Common violet or contain its concentration of Herb of Common violet also low, therefore can be as supplementary feed utilization to biological cistern such as plant watering water or fish.
On the other hand, be stored in second and handle treating water in the water tank 30 and also can sterilize and release, utilize again but also can be used as the toilet water.When as toilet water, when utilizing the treating water of dung urine class waste water again, because salt concentrates in water, concentration rate is about 1.5~2.5 times, is the degree that can not produce faults such as scale in pipe arrangement.Thus, utilize different system handles waste water of toilet and kitchen waste water, be stored in respectively in the different processing tankes, can guarantee the security for the treatment of water aspect health of sanitary wastewater, also can improve the utilization ratio again of sanitary wastewater.
Embodiment
As design example, the sanitary wastewater generating capacity that designs each day is 750m 3The domestic living waste water treater of structure shown in Figure 1.Sanitary wastewater comprises kitchen waste water, waste water of toilet, washes, bathroom waste water and other assorted waste water.Kitchen waste water and bathroom waste water and other assorted waste water are handled in first treatment system, and waste water of toilet and washes are handled in second treatment system.
Handle the oil concentration 50~250mg/L that extracts by normal hexane as kitchen waste water, BOD (organism of representing with biochemical oxygen demand) concentration 300~550mg/L, kjeldahl's nitrogen concentration 40~60mg/L, the waste water of the water quality about surfactant concentration 1~3mg/L, treatment capacity is 100m 3/ day.Waste water of toilet is BOD concentration 300~620mg/L, and the water quality about kjeldahl's nitrogen concentration 80~110mg/L, treatment capacity are 280m 3/ day, washes is BOD concentration 30~90mg/L, the water quality about synthetic surfactant concentration 5~10mg/L, treatment capacity are 170m 3/ day, bathroom waste water is BOD concentration 15~35mg/L, the water quality about synthetic surfactant concentration 0.5~2mg/L, treatment capacity are 140m 3About the BOD concentration 10~50mg/L of/day and assorted waste water, treatment capacity is 60m 3/ day.
First adjusts groove uses capacity 50m 3, first filter screen uses the groove of mesh gap 30mm, uses floating separate type oil separator (the capacity 5m of going up as oil separating device 3, handle flow 5m 3/ hr).Anaerobism groove as first biological treating tank uses at capacity 12.5m 3Groove in press filling ratio about 20% the maintenance carrier thermopnore formula active sludge treatment groove.In addition, microorganism concn (MLSS) is 3000~5000mg/L, and the residence time is 3 hours.On the other hand, in aerobic slot, at capacity 177m 3Groove in, press filling ratio 10~20% filling carriers, MLSS concentration is 3000~5000mg/L.The residence time of aerobic slot is 9 hours, is 440m by aeration rate 3/ hr aeration.Is 200% from aerobic slot to the foldback rate of anaerobism groove.
First cyclator utilization contact cyclator averages the high speed coagulative precipitation processing that upflow velocity is 3~4m/hr.Before first cyclator, set, inject poly-sodium-chlor with 100~130mg/L.As first filtration unit, using with particle diameter is the sand of 0.6~0.9mm and smokeless matchmaker as the filtering layer of the filter material pressure type filtration unit as the bed thickness of 1m.Be designed to carry out the high-rate fitration of 10~15m/hr.
Second adjusts groove uses capacity 500m 3, the groove that second filter screen uses mesh to be spaced apart 30mm plays the groove of mode.Anaerobism groove as second biological treating tank uses at capacity 400m 3Groove in keep the thermopnore formula sludge treatment groove of carrier with filling ratio about 20%.In addition, microorganism concn (MLSS) is 3000~5000mg/L, and the residence time of hydrology is 8~10 hours.Aerobic slot is at capacity 190m 3Groove in fill carrier with filling ratio 20%, MLSS concentration is 3000~5000mg/L, is 490m at aeration rate 3Aeration under the/hr, the foldback rate from aerobic slot to the anaerobism groove is 200%.
Second cyclator averages the coagulative precipitation processing that upflow velocity is about 0.5m/hr with the settler of round formula.Before being set in second cyclator, inject poly-sodium-chlor, before second filtration unit, inject poly-sodium-chlor with 5~15mg/L with 50~80mg/L.Using with particle diameter as second filtration unit is the sand of 0.6~0.9mm and the smokeless matchmaker filtering layer as filter material, and the pressure type filtration unit so that the bed thickness of 1m forms carries out the high speed aggegation of 10~15m/hr and filters.
In above-mentioned design illustration, the processed water yield in all domestic living waste water treaters is 750m 3/ day, the BOD concentration of the treating water of handling with first treatment system be about 10mg/L below, SS concentration be about 10~15mg/L below, kjeldahl's nitrogen concentration be about 10~15mg/1 below, full phosphorus concentration is about 0.5mg/L, and surfactant concentration is about 0.5mg/L.The BOD of the treating water of handling with second treatment system is about 15mg/L, and SS concentration is about 15mg/L, and surfactant concentration is about 0.5mg/L.

Claims (3)

1. a domestic living waste water treater is characterized in that, comprising:
The kitchen waste water pipe that one end is connected with the water port of kitchen waste water;
First biological treating tank that is connected with the other end of described kitchen waste water pipe;
To first cyclator that carries out coagulative precipitation from effusive first biological treatment of water of described first biological treating tank;
First supernatant liquor that obtains from described first cyclator is carried out filtering first filtration unit;
First of first filtered water that temporary storage obtains from described first filtration unit is handled water tank;
The dung urine class waste pipe that compiles waste water of toilet;
Second biological treating tank that is connected with described dung urine class waste pipe;
To second cyclator that carries out coagulative precipitation from effusive second biological treatment of water of described second biological treating tank;
Second supernatant liquor that obtains from described second cyclator is carried out filtering second filtration unit; With
Second of second filtered water that temporary storage obtains from described second filtration unit is handled water tank.
2. domestic living waste water treater as claimed in claim 1 is characterized in that, also comprises:
Be arranged on the described kitchen waste water pipe first adjustment groove midway;
To first water extracter that dewaters through the isolating separated sludge of described first cyclator;
First wastewater trough of first dehydration filtrate that temporary storage is discharged from described first water extracter and the backwashing wastewater by described first filtration unit generation of back flushing;
Be arranged on the described dung urine class waste pipe second adjustment groove midway;
To second water extracter that dewaters through the isolating separated sludge of described second cyclator;
Second wastewater trough of second dehydration filtrate that temporary storage is discharged from described second water extracter and the backwashing wastewater by described second filtration unit generation of back flushing;
Liquid in the groove of described first wastewater trough is fed to first return line of the described first adjustment groove; With
Liquid in the groove of described second wastewater trough is fed to second return line of the described second adjustment groove.
3. domestic living waste water treater as claimed in claim 2 is characterized in that, also comprises:
Adjust the oil separating device that groove is connected with described first;
Be arranged on described kitchen waste water pipe first filter screen midway;
Be arranged on described dung urine class waste pipe second filter screen and crusher midway;
Flocculation agent is added into the first flocculation agent adding set in described first biological treatment of water;
Flocculation agent is added into the second flocculation agent adding set in described second biological treatment of water; With
Flocculation agent is added into the 3rd flocculation agent adding set in described second supernatant water,
Described first biological treating tank maintains carrier.
CNA2007101803731A 2007-10-23 2007-10-23 Domestic living waste water treater Pending CN101417847A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102176952A (en) * 2009-09-08 2011-09-07 国立大学法人大阪大学 Flocculation precipitation treatment method
CN102190403A (en) * 2010-03-15 2011-09-21 大松环境开发(株) Waste water treatment device with purifying tank
CN103693817A (en) * 2013-12-31 2014-04-02 王凤蕊 Treatment method and integrated treatment device for kitchen wastes and wastewater
CN105724858A (en) * 2014-12-08 2016-07-06 安徽省味之源生物科技有限公司 Soybean immersion circulating device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102176952A (en) * 2009-09-08 2011-09-07 国立大学法人大阪大学 Flocculation precipitation treatment method
CN102176952B (en) * 2009-09-08 2013-09-18 国立大学法人大阪大学 Flocculation precipitation treatment method
CN102190403A (en) * 2010-03-15 2011-09-21 大松环境开发(株) Waste water treatment device with purifying tank
CN103693817A (en) * 2013-12-31 2014-04-02 王凤蕊 Treatment method and integrated treatment device for kitchen wastes and wastewater
CN103693817B (en) * 2013-12-31 2016-01-27 王凤蕊 A kind of kitchen guarding's rubbish and sewage water treatment method and integrated treating device thereof
CN105724858A (en) * 2014-12-08 2016-07-06 安徽省味之源生物科技有限公司 Soybean immersion circulating device

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Application publication date: 20090429