CN108689495A - A kind of sewage disposal system and method for low sludge yield - Google Patents
A kind of sewage disposal system and method for low sludge yield Download PDFInfo
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- CN108689495A CN108689495A CN201810785150.6A CN201810785150A CN108689495A CN 108689495 A CN108689495 A CN 108689495A CN 201810785150 A CN201810785150 A CN 201810785150A CN 108689495 A CN108689495 A CN 108689495A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- Biodiversity & Conservation Biology (AREA)
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of sewage disposal systems and method of low sludge yield, belong to technical field of waste water processing, the system includes sequentially connected water quality adjustment pond, mixing and absorption pond, primary sedimentation tank, anaerobic hydrolysis acidification tank, aerobic biochemical pool, reflux sedimentation tank and clear water reserviors, the mixing and absorption pond connects the sludge digestion tank that the promising mixing and absorption pond provides digested sludge by sludge pipe, the primary sedimentation tank, the bottom of anaerobic hydrolysis acidification tank and reflux sedimentation tank is connect by sludge pipe with the sludge digestion tank, mud return line is equipped between the aerobic biochemical pool and the reflux sedimentation tank.A small amount of sludge that sewage disposal system is generated, after Normal Temperature Anaerobic Digestion, it follows bad into sewage disposal system, utilize the adsorptivity of digested sludge, flocculant is substituted, and realizes sludge self-digestion within the system, considerably reduces sludge yield, it is basic to realize without argillization sewage disposal, sewage treatment field can be widely applied to.
Description
Technical field
The present invention relates to technical field of waste water processing, and in particular to a kind of sewage disposal system of low sludge yield and side
Method.
Background technology
It is past currently to sanitary sewage, textile printing and dyeing sewage, food processing, the processing of slaughter technics and some trade effluents
Toward the pretreating process for carrying out flocculation sediment using addition flocculant before biochemical treatment, this technique is inevitably generated largely
Sludge.If sludge cannot get appropriate processing, directly transport outward, direct agricultural or nonstandard landfill, pollutant may
Secondary pollution is caused into soil, surface water body and ground water regime, these sludge are piled up arbitrarily and not only break up environment, distribute
Gas, the life of the odor impact mankind and health, while also increasing the cost of sludge subsequent processing.Therefore, how to subtract
The generation of sludge in few sewage disposal process, it has also become the research objective and countries in the world facing of environmentally friendly scientific and technical personnel
Environmental problem.
Invention content
In view of the above technical problems, the present invention provides a kind of sewage disposal system and method for low sludge yield, makes sewage
A small amount of sludge that processing system generates follows after Normal Temperature Anaerobic Digestion and badly enters sewage disposal system, utilize the suction of digested sludge
Attached property substitutes flocculant, and realizes sludge self-digestion within the system, considerably reduces sludge yield, basic to realize
Without argillization sewage disposal (the extra sludge that need to finally discharge is very little compared with traditional handicraft, can be neglected), reduce
Processing cost can be widely applied to sewage treatment field.
To achieve the goals above, the technical solution adopted by the present invention is as follows:
A kind of sewage disposal system of low sludge yield, including it is sequentially connected water quality adjustment pond, mixing and absorption pond, just heavy
Pond, anaerobic hydrolysis acidification tank, aerobic biochemical pool, reflux sedimentation tank and clear water reserviors, the mixing and absorption pond are connected by sludge pipe
The promising mixing and absorption pond provides the sludge digestion tank of digested sludge, and the primary sedimentation tank, anaerobic hydrolysis acidification tank and reflux are heavy
The bottom in shallow lake pond is connect by sludge pipe with the sludge digestion tank, between the aerobic biochemical pool and the reflux sedimentation tank
Equipped with mud return line.
Preferably, the water quality adjustment pond is equipped with grid in the upstream end of sewage.
Preferably, it is equipped with aeration tube in the mixing and absorption pond and the aerobic biochemical pool, the aeration tube is connected with
Air blower.
Preferably, the aeration tube is uniformly distributed the bottom of pond for being set to the mixing and absorption pond and the aerobic biochemical pool.
Preferably, the mud return line is equipped with sludge pump.
Preferably, pH detectors and temperature detector are equipped in the water quality adjustment pond and the sludge digestion tank.
The present invention also provides a kind of sewage water treatment methods of low sludge yield, include the following steps:
(1) sewage adjusts pH subsequently into water quality adjustment pond through grid filtration removal impurity in water quality adjustment pond first
After value and temperature, into mixing and absorption pond;
(2) digested sludge is imported into mixing and absorption pond, digested sludge is the sludge in sludge digestion tank in advance through detesting
Oxygen digestion gained, digested sludge is sufficiently mixed with sewage, the pollutant in digested sludge absorption effluent, and to some of the contaminants into
After row hydrolysis acidification, into primary sedimentation tank;
(3) it is separated by solid-liquid separation due to gravity in primary sedimentation tank, the sewage of separation flows into anaerobic hydrolysis acidification tank, bottom
The sludge of sedimentation is discharged into sludge digestion tank;
(4) in anaerobic hydrolysis acidification tank, the organic matter of indissoluble or macromolecular is resolved into soluble small by anaerobe
Molecular substance, later sewage enter aerobe pond, the sludge of bottom sedimentation is discharged into sludge digestion tank;
(5) sewage in aerobe pond, fully eaten by aerobic microbiological by water pollutant, flows into reflux precipitation later
Pond;
(6) in reflux sedimentation tank, mixed liquor is separated by solid-liquid separation, and the clear water on top flows into clear water reserviors, the sludge of bottom precipitation
A part sends aerobe pond back to, and another part is discharged into sludge digestion tank;
(7) it is discharged into the sludge of sludge digestion tank in above steps, anaerobic digestion is carried out in sludge digestion tank, is made wherein
Organic material decomposition, conversion removal, be again introduced into mixing and absorption pond, recycle.
Preferably, it is 6.8-7.5 to adjust pH in the step (1) in water quality adjustment pond, and temperature is 20-37 DEG C.
Preferably, gas is passed through into mixing and absorption pond by aeration tube in the step (2), is realized under Gas Stirring
Digested sludge is sufficiently mixed with sewage.
Preferably, the condition of anaerobic digestion is 20-38 DEG C of temperature, pH 7 in the step (7).
Beneficial effects of the present invention are shown:
1. the present invention does not add chemical industry medicament, fully rely on microorganism and sewage is handled, that is, utilizes digested sludge
Adsorptivity substitutes the various flocculants of sewerage addition, overall to reduce 99% or more sludge yield, realizes no mud substantially
Change, not only saves dosing cost and sludge subsequent processing expense, reduce labor intensity, avoid remaining flocculant pair
Harmful effect caused by microorganism more avoids destruction of a large amount of sludge storages to environment;
2. digested sludge is imported mixing and absorption pond by the present invention, and is sufficiently mixed with sewage, it ensure that digested sludge to dirt
The adsorption-decomposition function for contaminating object, makes mixing and absorption pond and primary sedimentation tank while being provided with the function of anaerobic hydrolysis acidification tank, reducing should build
The volume of anaerobic hydrolysis acidification tank, saves floor space and investment cost;
3. the sludge of system discharge after anaerobic digestion is decomposed containing a large amount of organic pollutions because making the sludge of discharge subtract
30-50% is measured, and eliminates sludge smell, while the substances such as ammonia nitrogen, phosphorus being made to be converted, is recycled into sewage disposal system
Afterwards, be better achieved microorganism to being absorbed and utilized of organic substance, ammonia nitrogen and phosphorus, decompose, reached dephosphorization, except ammonia nitrogen, go
The purpose of coloration, to improve effluent quality, making that treated, water is more as clear as crystal, the methane gas that this stage generates,
It collects and utilizes.
Description of the drawings
Fig. 1 is a kind of overall flow schematic diagram of the sewage water treatment method of low sludge yield of the present invention.
Specific implementation mode
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
A kind of sewage disposal system of low sludge yield as shown in Figure 1, including sequentially connected water quality adjustment pond, mixing
Adsorption tank, primary sedimentation tank, anaerobic hydrolysis acidification tank, aerobic biochemical pool, reflux sedimentation tank and clear water reserviors, the mixing and absorption pond pass through
Sludge pipe connects the sludge digestion tank that the promising mixing and absorption pond provides digested sludge, the primary sedimentation tank, anaerobic hydrolysis-acidification
Pond and the bottom of reflux sedimentation tank are connect by sludge pipe with the sludge digestion tank, the aerobic biochemical pool and the reflux
Mud return line is equipped between sedimentation basin.
The water quality adjustment pond is equipped with grid in the upstream end of sewage.In the mixing and absorption pond and the aerobic biochemical pool
It is equipped with aeration tube, the aeration tube is connected with air blower.The aeration tube be uniformly distributed be set to the mixing and absorption pond with
The bottom of pond of the aerobic biochemical pool.The mud return line is equipped with sludge pump.The water quality adjustment pond and the sludge digestion
PH detectors and temperature detector are equipped in pond.
Using the sewage water treatment method of above system, include the following steps:
(1) sewage adjusts pH subsequently into water quality adjustment pond through grid filtration removal impurity in water quality adjustment pond first
After value and temperature, into mixing and absorption pond;
(2) digested sludge is imported into mixing and absorption pond, digested sludge is the sludge in sludge digestion tank in advance through detesting
Oxygen digestion gained, digested sludge is sufficiently mixed with sewage, the pollutant in digested sludge absorption effluent, and to some of the contaminants into
After row hydrolysis acidification, into primary sedimentation tank;
(3) it is separated by solid-liquid separation due to gravity in primary sedimentation tank, the sewage of separation flows into anaerobic hydrolysis acidification tank, bottom
The sludge of sedimentation is discharged into sludge digestion tank;
(4) in anaerobic hydrolysis acidification tank, the organic matter of indissoluble or macromolecular is resolved into soluble small by anaerobe
Molecular substance, later sewage enter aerobe pond, the sludge of bottom sedimentation is discharged into sludge digestion tank;
(5) sewage in aerobe pond, fully eaten by aerobic microbiological by water pollutant, flows into reflux precipitation later
Pond;
(6) in reflux sedimentation tank, mixed liquor is separated by solid-liquid separation, and the clear water on top flows into clear water reserviors, the sludge of bottom precipitation
A part sends aerobe pond back to, and another part is discharged into sludge digestion tank;
(7) it is discharged into the sludge of sludge digestion tank in above steps, anaerobic digestion is carried out in sludge digestion tank, is made wherein
Organic material decomposition, conversion removal, be again introduced into mixing and absorption pond, recycle.
With the dyeing and printing sewage (1200-1600m of certain caused by spinning industrial production3/ d) for, specific embodiment is as follows:
(1) sewage is first through grid filtration removal cotton hair, yarn, the impurity such as polybag, subsequently into water quality adjustment pond,
It is 6.8-7.5 to adjust pH value in water quality adjustment pond with dilute sulfuric acid, after being 20-37 DEG C by temperature control device adjusting temperature,
Into mixing and absorption pond;
(2) digested sludge is imported into mixing and absorption pond, digested sludge is the sludge in sludge digestion tank in advance through detesting
Oxygen digestion gained, gas is passed through by aeration tube into mixing and absorption pond, and digested sludge and sewage are fully mixed under Gas Stirring
It closes, the pollutants such as organic matter, dyestuff in digested sludge absorption effluent, and after acidification is hydrolyzed to some of the contaminants, enters
Primary sedimentation tank;
(3) it is separated by solid-liquid separation due to gravity in primary sedimentation tank, the sewage of separation flows into anaerobic hydrolysis acidification tank, bottom
The sludge of sedimentation is discharged into sludge digestion tank;
(4) in anaerobic hydrolysis acidification tank, insoluble organic matter is decomposed into water solubility by a large amount of hydrolytic bacterias, acidification bacterium
Organic matter converts the macromolecular substances of difficult for biological degradation to the small-molecule substance of easily biological-degradable, so as to improve sewage
Biodegradability provides guarantee for aerobic microbiological processing, and sewage enters aerobe pond later, and the sludge of bottom sedimentation is discharged into
Sludge digestion tank;
(5) sewage is in aerobe pond, aerobic microbiological under conditions of dissolved oxygen abundance, with organic pollution,
The substances such as nitrogen, phosphorus are food, carry out own growth and breeding flows into reflux sedimentation tank later to make to purify the sewage;
(6) in reflux sedimentation tank, the cotton-shaped micelle that aerobic microbiological and other solid suspensions are formed is in gravity
Under be separated from water, the clear water on top flows into clear water reserviors, and a sludge part for bottom precipitation sends aerobe pond, another part row back to
Enter sludge digestion tank;
(7) it is discharged into the sludge of sludge digestion tank in above steps, anaerobic digestion is carried out in sludge digestion tank, anaerobism disappears
The condition of change is 20-38 DEG C of temperature, and pH 7, pollutant and microorganism in sludge etc. are decomposed in sludge digestion tank, turn
Change, after being recycled into sewerage, becomes the food of anaerobic and aerobic microorganism, be again introduced into mixing and absorption pond, to reach
Sludge circulation and self is cleared up, realize sewage without argillization or few argillization processing.
Sewage disposal result:Using traditional handicraft, add FeSO4After PAM flocculant flocculation sediments, then add PAC and PAM into
Promoting the circulation of qi is floating, only this two processing unit, produces sludge 20 tons or so (aqueous 75%), effluent qualities daily:COD 120-180mg/L, ammonia
Nitrogen 10-18mg/L, water outlet color is apparent, processing cost:3 yuan/m3Left and right.
And after using this technique instead, nearly 2 years common property sludge less than 100 tons, (realize at without argillization sewage substantially by aqueous 75%)
Reason, effluent quality:COD < 50mg/L, ammonia nitrogen < 1mg/L, colour removal rate is high, and clarity is good, processing cost:1 yuan/m3It is left
It is right.
Above content is only the structure example and explanation to the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
1. a kind of sewage disposal system of low sludge yield, which is characterized in that inhaled including sequentially connected water quality adjustment pond, mixing
Attached pond, primary sedimentation tank, anaerobic hydrolysis acidification tank, aerobic biochemical pool, reflux sedimentation tank and clear water reserviors, the mixing and absorption pond pass through dirt
Mud pipe connects the sludge digestion tank that the promising mixing and absorption pond provides digested sludge, the primary sedimentation tank, anaerobic hydrolysis acidification tank
It is connect with the sludge digestion tank by sludge pipe with the bottom of reflux sedimentation tank, the aerobic biochemical pool and the reflux are heavy
Mud return line is equipped between the pond of shallow lake.
2. a kind of sewage disposal system of low sludge yield according to claim 1, which is characterized in that the water quality adjustment
Pond is equipped with grid in the upstream end of sewage.
3. a kind of sewage disposal system of low sludge yield according to claim 1, which is characterized in that the mixing and absorption
It is equipped with aeration tube in pond and the aerobic biochemical pool, the aeration tube is connected with air blower.
4. a kind of sewage disposal system of low sludge yield according to claim 3, which is characterized in that the aeration tube is equal
Even distribution is set to the bottom of pond in the mixing and absorption pond and the aerobic biochemical pool.
5. a kind of sewage disposal system of low sludge yield according to claim 1, which is characterized in that the sludge reflux
Pipe is equipped with sludge pump.
6. a kind of sewage disposal system of low sludge yield according to claim 1, which is characterized in that the water quality adjustment
It is equipped with pH detectors and temperature detector in pond and the sludge digestion tank.
7. a kind of sewage water treatment method of low sludge yield, which is characterized in that using one described in any one of claim 1-6
The sewage disposal system of the low sludge yield of kind, includes the following steps:
(1) sewage removes impurity through grid filtration first, subsequently into water quality adjustment pond, adjusted in water quality adjustment pond pH value and
After temperature, into mixing and absorption pond;
(2) digested sludge is imported into mixing and absorption pond, digested sludge is that the sludge in advance in sludge digestion tank disappears through anaerobism
Change gained, digested sludge is sufficiently mixed with sewage, the pollutant in digested sludge absorption effluent, and carries out water to some of the contaminants
After solution acidification, into primary sedimentation tank;
(3) it is separated by solid-liquid separation due to gravity in primary sedimentation tank, the sewage of separation flows into anaerobic hydrolysis acidification tank, bottom sedimentation
Sludge be discharged into sludge digestion tank;
(4) in anaerobic hydrolysis acidification tank, the organic matter of indissoluble or macromolecular resolves into soluble small molecule by anaerobe
Substance, later sewage enter aerobe pond, the sludge of bottom sedimentation is discharged into sludge digestion tank;
(5) sewage in aerobe pond, fully eaten by aerobic microbiological by water pollutant, flows into reflux sedimentation tank later;
(6) in reflux sedimentation tank, mixed liquor is separated by solid-liquid separation, and the clear water on top flows into clear water reserviors, one, the sludge of bottom precipitation
Aerobe pond is sent go back to, another part is discharged into sludge digestion tank;
(7) it is discharged into the sludge of sludge digestion tank in above steps, anaerobic digestion is carried out in sludge digestion tank, makes therein to have
Machine substance decomposition, conversion removal, are again introduced into mixing and absorption pond, recycle.
8. a kind of sewage water treatment method of low sludge yield according to claim 7, which is characterized in that the step (1)
It is 6.8-7.5 that pH is adjusted in middle water quality adjustment pond, and temperature is 20-37 DEG C.
9. a kind of sewage water treatment method of low sludge yield according to claim 7, which is characterized in that the step (2)
In gas is passed through into mixing and absorption pond by aeration tube, realize that digested sludge is sufficiently mixed with sewage under Gas Stirring.
10. a kind of sewage water treatment method of low sludge yield according to claim 7, which is characterized in that the step (7)
The condition of middle anaerobic digestion is 20-38 DEG C of temperature, pH 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810785150.6A CN108689495A (en) | 2018-07-17 | 2018-07-17 | A kind of sewage disposal system and method for low sludge yield |
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| CN201810785150.6A CN108689495A (en) | 2018-07-17 | 2018-07-17 | A kind of sewage disposal system and method for low sludge yield |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511780A (en) * | 2021-07-06 | 2021-10-19 | 安徽雪域燕果食品有限公司 | Efficient and environment-friendly food processing sewage treatment system and deacidification method |
| CN114057354A (en) * | 2021-11-09 | 2022-02-18 | 牧旺环境科技(杭州)有限公司 | Biological adsorption process and device |
| CN115299397A (en) * | 2022-09-02 | 2022-11-08 | 无锡市渔元素生态农业科技有限公司 | Novel matrix bed fish-vegetable symbiotic system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002045889A (en) * | 2000-07-31 | 2002-02-12 | Ebara Corp | Treating method and treating device for organic waste water |
| CN101391853A (en) * | 2008-11-03 | 2009-03-25 | 山东邹平开元化工石材有限公司 | Chemical wastewater recovery processing technique and apparatus |
| CN101891343A (en) * | 2010-07-12 | 2010-11-24 | 西安建筑科技大学 | Method for biologically purifying municipal sewage and recovering resources |
| CN101973672A (en) * | 2010-10-18 | 2011-02-16 | 余静 | Zero-energy consumption urban sewage dephosphorization treatment method |
| CN102225825A (en) * | 2011-05-09 | 2011-10-26 | 余静 | Zero-energy-consumption enhanced AB (adsorption-biodegradation) treatment method for urban sewage |
| CN104843866A (en) * | 2015-05-11 | 2015-08-19 | 扬州大学 | Sewage disposal method with low sludge yield and low energy consumption |
| CN208594092U (en) * | 2018-07-17 | 2019-03-12 | 高密天福家纺有限公司 | A kind of sewage disposal system of low sludge yield |
-
2018
- 2018-07-17 CN CN201810785150.6A patent/CN108689495A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002045889A (en) * | 2000-07-31 | 2002-02-12 | Ebara Corp | Treating method and treating device for organic waste water |
| CN101391853A (en) * | 2008-11-03 | 2009-03-25 | 山东邹平开元化工石材有限公司 | Chemical wastewater recovery processing technique and apparatus |
| CN101891343A (en) * | 2010-07-12 | 2010-11-24 | 西安建筑科技大学 | Method for biologically purifying municipal sewage and recovering resources |
| CN101973672A (en) * | 2010-10-18 | 2011-02-16 | 余静 | Zero-energy consumption urban sewage dephosphorization treatment method |
| CN102225825A (en) * | 2011-05-09 | 2011-10-26 | 余静 | Zero-energy-consumption enhanced AB (adsorption-biodegradation) treatment method for urban sewage |
| CN104843866A (en) * | 2015-05-11 | 2015-08-19 | 扬州大学 | Sewage disposal method with low sludge yield and low energy consumption |
| CN208594092U (en) * | 2018-07-17 | 2019-03-12 | 高密天福家纺有限公司 | A kind of sewage disposal system of low sludge yield |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511780A (en) * | 2021-07-06 | 2021-10-19 | 安徽雪域燕果食品有限公司 | Efficient and environment-friendly food processing sewage treatment system and deacidification method |
| CN114057354A (en) * | 2021-11-09 | 2022-02-18 | 牧旺环境科技(杭州)有限公司 | Biological adsorption process and device |
| CN115299397A (en) * | 2022-09-02 | 2022-11-08 | 无锡市渔元素生态农业科技有限公司 | Novel matrix bed fish-vegetable symbiotic system |
| CN115299397B (en) * | 2022-09-02 | 2024-01-12 | 无锡市渔元素生态农业科技有限公司 | Novel matrix bed fish and vegetable symbiotic system |
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