CN105712578A - Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device - Google Patents

Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device Download PDF

Info

Publication number
CN105712578A
CN105712578A CN201610082292.7A CN201610082292A CN105712578A CN 105712578 A CN105712578 A CN 105712578A CN 201610082292 A CN201610082292 A CN 201610082292A CN 105712578 A CN105712578 A CN 105712578A
Authority
CN
China
Prior art keywords
sewage
adsorption filter
pond
ammonia nitrogen
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610082292.7A
Other languages
Chinese (zh)
Inventor
袁冬海
熊瑛
严陈玲
郭旭晶
李俊奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing University of Civil Engineering and Architecture
Original Assignee
Beijing University of Civil Engineering and Architecture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing University of Civil Engineering and Architecture filed Critical Beijing University of Civil Engineering and Architecture
Priority to CN201610082292.7A priority Critical patent/CN105712578A/en
Publication of CN105712578A publication Critical patent/CN105712578A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/06—Treatment of sludge; Devices therefor by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F3/02—Aerobic processes
    • 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
    • C02F3/302—Nitrification and denitrification treatment
    • 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
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae

Abstract

The invention discloses a sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device and application thereof in sewage treatment.The device comprises a concentration basin, a WAR reactor, a heat exchanger, a PACT pool, an ammonia nitrogen aeration biological adsorption filter, a sewage backflow pool, a deep type phosphorus adsorption filter, a land percolation device and a constructed wetland.The concentration basin is connected with the WAR reactor, the WAR reactor is connected with the heat exchanger, the heat exchanger is connected with the PACT pool, the PACT pool is connected with the concentration basin and the ammonia nitrogen aeration biological adsorption filter, the ammonia nitrogen aeration biological adsorption filter is connected with the sewage backflow pool and the deep type phosphorus adsorption filter respectively, the deep type phosphorus adsorption filter is connected with the land percolation device, and the land percolation device is connected with the constructed wetland.The device can remove pollutant in water, energy consumption and cost in the treatment process are greatly reduced, and the resource regeneration process is well completed.

Description

A kind of batch-type absorption aerating filter and land percolation-artificial swamp coupling device
Technical field
The present invention relates to a kind of batch-type absorption aerating filter and land percolation-artificial swamp coupling device, be specifically related to A kind of device of the advanced treatment of wastewater collecting physical absorption, biomembrance process and land system combination.The invention still further relates to this device Application in sewage disposal, i.e. utilizes the method that said apparatus processes sewage.
Background technology
China starts a large amount of municipal sewage plant built from the nineties in last century, and the main stream approach of employing mostly is tradition Activated sludge process such as oxidation ditch, A/O, A2/ O etc., these method energy consumptions are high, and operational management work is complex, and it processes Technique is the most single, it is impossible to successfully managing impact variation and the harsh weather of water quality and quantity, these techniques all can produce mesh simultaneously The activated sludge that front technology is put compared with difficulty.Since entering 21 century, international technical field of sewage is changed constantly, abroad always Gradually having abandoned traditional single-activity sludge, therefore China is also necessary explore and develop science and engineering at the Novel sewage of oneself Skill, the water environment situation severe all the more to adapt to China.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of novel sewage-treatment plant and in sewage disposal Application, i.e. utilizes the method that this device carries out sewage disposal.Specifically, the present invention provide a kind of batch-type absorption aerating filter with Land percolation-artificial swamp coupling device, more specifically, it relates to the physical absorption of a kind of collection, biomembrance process and land system group The device of advanced treatment of wastewater closed, this device can remove the polluter in sewage, the energy being greatly reduced in processing procedure Consumption, cost, preferably complete the process of resource regeneration.
For achieving the above object, a first aspect of the present invention provide a kind of batch-type absorption aerating filter and land percolation- Artificial swamp coupling device, comprising: concentration basin, WAR (Wet Air Regeneration, wet type air regenerate) reactor, Heat exchanger, PACT (Powdered Activated Carbon Treatment, Powdered Activated Carbon processes) pond, the life of ammonia nitrogen aeration Thing adsorption filter, sewage backflow pond, deep type phosphorus adsorption filter, land percolation and artificial swamp；Wherein, described concentration basin connects institute Stating WAR reactor, described WAR reactor connects described heat exchanger, and described heat exchanger connects described PACT pond, and described PACT pond is divided Not connecting described concentration basin and described ammonia nitrogen aeration and biological adsorption filter, described ammonia nitrogen aeration and biological adsorption filter connects institute respectively Stating sewage backflow pond and described deep type phosphorus adsorption filter, described deep type phosphorus adsorption filter connects described land percolation, described soil Diafiltration connects described artificial swamp；
Described concentration basin is for making the excess sludge concentrating and precipitating produced in described PACT pond；
Described WAR reactor is used for making the described excess sludge wet air regeneration of concentrating and precipitating, and after emission treatment Residue；
The mud that activated carbon adheres to, for the charging and discharging heat exchange of described WAR reactor, is oxidized to inorganic by described heat exchanger Thing, again returns to reuse in described PACT pond by the activated carbon having recovered activity；
Mineralized nitrogen, for the organic pollution in sewage is changed into carbon dioxide and water, is become nitric acid by described PACT pond Salt nitrogen, and make heavy metal ion solidification precipitation；
Described ammonia nitrogen aeration and biological adsorption filter is used for adsorbing ammonia nitrogen, and the sewage after having adsorbed ammonia nitrogen enters described sewage Backflow pool, and be nitrate nitrogen by the ammonium oxidation that adsorbed, then make the organic pollution denitrification in nitrate nitrogen and sewage；
Described sewage backflow pond is used for storing sewage, and sewage returns to described ammonia nitrogen aeration and biological adsorption filter；
Described deep type phosphorus adsorption filter is used for dephosphorization, and removes the organic pollution of residual in sewage；
Described land percolation and artificial swamp are for removing organic pollution, nitrogen phosphorus compound and micro-life remaining in sewage Thing.
Preferably, the filler in described PACT pond is activated carbon and red mud molecular sieve, and the thickness of filler is preferably 2-2.5m, The filtering velocity in PACT pond is preferably 6-8m/h.
Preferably, the filler of described ammonia nitrogen aeration and biological adsorption filter is artificial zeolite or natural zeolite, described artificial boiling The particle diameter of stone or natural zeolite is more preferably 2-4mm, and the thickness of filler is preferably 1.5-2.5m, ammonia nitrogen aeration and biological adsorption filter Filtering velocity be preferably 4-8m/h, the mode of intermittent aeration preferably taked by ammonia nitrogen aeration and biological adsorption filter.
Preferably, the filler of described deep type phosphorus adsorption filter uses synthetic filler, preferably selects modified clay pit Thing, the thickness of described filler is preferably at 4-5m, and the filtering velocity of deep type phosphorus adsorption filter is preferably 2-4m/h.
Preferably, the filler of described land percolation and artificial swamp is selected from limestone, gravel and Fu Luoli kieselguhr, described The preferred 10-15mm of particle diameter of filler, the thickness of described filler is 1.0-1.5m, and hydraulic load determines according to engineering practice. Described land percolation-artificial swamp, as compound sewage advanced treatment process, can be designed according to practical situation and combine.
Preferably, the temperature in described WAR reactor is 226～246 DEG C, and pressure is 6～10Mpa, the time of staying be 1～ 2h。
Preferably, the charcoal mud concentration of WAR reactor > 9%, suspended solid amount must not be less than 9%, to provide WAR reactor Stable sludge quantity.
Preferably, described PACT pond, WAR reactor, the outer wall of heat exchanger use heat-insulation layer insulation, reduce thermal loss.
Preferably, after described WAR reactor, heat exchanger run a period of time, dust technology is used to clean the fouling of inwall.
Preferably, the aerator in described PACT pond uses nanometer aeration machine, and air inlet is O2, by nanometer aeration strengthening office Portion's cavitation produces.
A second aspect of the present invention provides above-mentioned batch-type absorption aerating filter and land percolation-artificial swamp coupling device Application in sewage disposal.
A third aspect of the present invention provides one to utilize above-mentioned batch-type absorption aerating filter and land percolation-artificial swamp Coupling device carries out the method for sewage disposal, comprises the steps:
(1) sewage is passed through described PACT pond, dirt organic pollutants is changed into carbon dioxide and water, ammonia nitrogen is turned Chemical conversion nitrate nitrogen, and make heavy metal ion solidification precipitation；
(2) sewage processed through step (1) is passed through described ammonia nitrogen aeration and biological adsorption filter to inhale from described PACT pond Attached ammonia nitrogen, enters sewage described sewage backflow pond afterwards, and is nitrate nitrogen by the ammonium oxidation adsorbed；
(3) sewage is returned to described ammonia nitrogen aeration and biological adsorption filter from described sewage backflow pond, to nitrate nitrogen and Organic pollution in sewage carries out denitrification；
(4) sewage processed through step (3) is passed through the absorption of described deep type phosphorus from described ammonia nitrogen aeration and biological adsorption filter Filter tank is with dephosphorization, and removes the residual organic contaminants in sewage；
(5) sewage is passed sequentially through described land percolation and artificial swamp, to go scrubbing from described deep type phosphorus adsorption filter Remaining organic pollution, nitrogen phosphorus compound and microorganism in water.
In order to sewage carries out the process of full blast continuously, device is made to be continuously in best effort shape State, described method the most also includes the step that coupling device carries out self-regeneration, including:
(6) excess sludge produced in described PACT pond is passed through described concentration basin and carries out concentrating and precipitating；
(7) the described excess sludge of concentrating and precipitating is passed through described WAR reactor and carries out wet air regeneration；
(8) the described excess sludge of wet air regeneration is passed through described heat exchanger, the charging and discharging to described WAR reactor Carry out heat exchange, the mud that activated carbon adheres to is oxidized to inorganic matter, the activated carbon having recovered activity is again returned to described PACT Pond is reused, the residue after direct emission treatment.
The present invention achieves following positive progressive effect: the present invention breaches the thinking of traditional activated sludge process, overcomes Traditional activated sludge process goes the bottleneck problem of COD and ammonia nitrogen simultaneously, takes physical absorption, biomembrance process and artificial swamp phase In conjunction with technology path, the COD in sewage is removed by denitrification, and the NH3-N in sewage is removed by nitrification, is greatly lowered Energy consumption, stable effluent quality, one-level A can be reached, operating cost is only the 1/3 of traditional activated sludge process, have fabulous application Prospect.
Accompanying drawing explanation
Fig. 1 is assembly of the invention schematic diagram.
[description of reference numerals]
1 concentration basin 2 WAR reactor
3 PACT pond 4 ammonia nitrogen aeration and biological adsorption filters
5 sewage backflow ponds 6 surmount pipe
7 deep type phosphorus adsorption filter 8 land percolations
9 artificial swamp 10 heat exchangers
A, B valve
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Accompanying drawing, the present invention is described in further detail.
Embodiment 1
As it is shown in figure 1, the batch-type absorption aerating filter of the present invention and land percolation-artificial swamp coupling device, its bag Include: concentration basin 1, WAR reactor 2, heat exchanger 10, PACT pond 3, ammonia nitrogen aeration and biological adsorption filter 4, sewage backflow pond 5, deep type Phosphorus adsorption filter 7, land percolation 8 and artificial swamp 9；Wherein, described concentration basin 1 connects described WAR reactor 2, and described WAR is anti- Answering device 2 to connect described heat exchanger 10, described heat exchanger 10 connects described PACT pond 3, and described PACT pond 3 connects described concentration respectively Pond 1 and described ammonia nitrogen aeration and biological adsorption filter 4, described ammonia nitrogen aeration and biological adsorption filter 4 connects described sewage backflow respectively Pond 5 and described deep type phosphorus adsorption filter 7, described deep type phosphorus adsorption filter 7 connects described land percolation 8, and described land percolation 8 is even Connect described artificial swamp 9；
Described concentration basin 1 is for making the excess sludge concentrating and precipitating produced in described PACT pond 3；
Described WAR reactor 2 is used for making the described excess sludge wet air regeneration of concentrating and precipitating, and after emission treatment Residue；
The mud that activated carbon adheres to, for the charging and discharging heat exchange of described WAR reactor 2, is oxidized to by described heat exchanger 10 Inorganic matter, again returns to reuse in described PACT pond 3 by the activated carbon having recovered activity；
Mineralized nitrogen, for the organic pollution in sewage is changed into carbon dioxide and water, is become nitre by described PACT pond 3 Hydrochlorate nitrogen, and make heavy metal ion solidification precipitation；
Described ammonia nitrogen aeration and biological adsorption filter 4 is used for adsorbing ammonia nitrogen, and the sewage after having adsorbed ammonia nitrogen enters described dirt Water backflow pool 5, and be nitrate nitrogen by the ammonium oxidation that adsorbed, then make the anti-nitre of the organic pollution in nitrate nitrogen and sewage Change；
Described sewage backflow pond 5 is used for storing sewage, and sewage returns to described ammonia nitrogen aeration and biological adsorption filter 4；
Described deep type phosphorus adsorption filter 7 is for dephosphorization, and removes the organic pollution of residual in sewage；
Described land percolation 8 and described artificial swamp 9 are for removing the organic pollution of remnants, nitrogen phosphorus compound in sewage And microorganism.
In the present embodiment, described ammonia nitrogen aeration and biological adsorption filter 4 and described deep type phosphorus adsorption filter 7 are to surmount pipe 6 Being connected, centre has can be had in the middle of described ammonia nitrogen aeration and biological adsorption filter 4 and described sewage backflow pond 5 with the valve A of folding Can be with the valve B of folding.
In the present embodiment, the filler in described PACT pond 3 is activated carbon and red mud molecular sieve, and the thickness of filler is 2m, The filtering velocity in PACT pond 3 is 6m/h.
The filler of described ammonia nitrogen aeration and biological adsorption filter 4 is artificial zeolite, and the particle diameter of described artificial zeolite is 2mm, fills out The thickness of material is 1.5m, and the filtering velocity of ammonia nitrogen aeration and biological adsorption filter 4 is 4m/h, between ammonia nitrogen aeration and biological adsorption filter 4 is taked The mode of formula of having a rest aeration.
Modified clay mineral selected by the filler of described deep type phosphorus adsorption filter 4, and the thickness of described filler is at 4m, and deep type phosphorus is inhaled The filtering velocity in attached filter tank is 2m/h.
Described land percolation 8 and described artificial swamp 9 can be according to project occupation of land, investment situation and local economy society feelings Condition uses the kinds of processes such as rapid infiltration land, subsurface infiltration, surface current artificial wetland and vertical current constructed wetland to be combined, And use limestone, gravel, Fu Luoli kieselguhr as filler, the particle diameter of filler is 10mm, and the thickness of described filler is 1.0m, Hydraulic load determines according to engineering practice.
Temperature in described WAR reactor 2 is 226 DEG C, and pressure is 6Mpa, and the time of staying is 1h.
The charcoal mud concentration of described WAR reactor 2 > 9%, suspended solid amount must not be less than 9%, to provide WAR reactor 2 steady Fixed sludge quantity.
Described PACT pond 3, WAR reactor 2, the outer wall of heat exchanger 10 use heat-insulation layer insulation, reduce thermal loss.
After described WAR reactor 2, heat exchanger 10 run a period of time, dust technology is used to clean the fouling of inwall.
The aerator in described PACT pond 3 uses nanometer aeration machine, and air inlet is O2, strengthen local cavitation by nanometer aeration Effect produces.
Embodiment 2
Referring also to shown in Fig. 1, the present embodiment provides a kind of batch-type absorption aerating filter and land percolation-artificial swamp Coupling device, comprising: concentration basin 1, WAR reactor 2, heat exchanger 10, PACT pond 3, ammonia nitrogen aeration and biological adsorption filter 4, dirt Water backflow pool 5, deep type phosphorus adsorption filter 7, land percolation 8 and artificial swamp 9；Wherein, to connect described WAR anti-for described concentration basin 1 Answering device 2, described WAR reactor 2 to connect described heat exchanger 10, described heat exchanger 10 connects described PACT pond 3, described PACT pond 3 Connecting described concentration basin 1 and described ammonia nitrogen aeration and biological adsorption filter 4 respectively, described ammonia nitrogen aeration and biological adsorption filter 4 is respectively Connecting described sewage backflow pond 5 and described deep type phosphorus adsorption filter 7, described deep type phosphorus adsorption filter 7 connects described land percolation 8, described land percolation 8 connects described artificial swamp 9；
Described concentration basin 1 is for making the excess sludge concentrating and precipitating produced in described PACT pond 3；
Described WAR reactor 2 is used for making the described excess sludge wet air regeneration of concentrating and precipitating, and after emission treatment Residue；
The mud that activated carbon adheres to, for the charging and discharging heat exchange of described WAR reactor 2, is oxidized to by described heat exchanger 10 Inorganic matter, again returns to reuse in described PACT pond 3 by the activated carbon having recovered activity；
Mineralized nitrogen, for the organic pollution in sewage is changed into carbon dioxide and water, is become nitre by described PACT pond 3 Hydrochlorate nitrogen, and make heavy metal ion solidification precipitation；
Described ammonia nitrogen aeration and biological adsorption filter 4 is used for adsorbing ammonia nitrogen, and the sewage after having adsorbed ammonia nitrogen enters described dirt Water backflow pool 5, and be nitrate nitrogen by the ammonium oxidation that adsorbed, then make the anti-nitre of the organic pollution in nitrate nitrogen and sewage Change；
Described sewage backflow pond 5 is used for storing sewage, and sewage returns to described ammonia nitrogen aeration and biological adsorption filter 4；
Described deep type phosphorus adsorption filter 7 is for dephosphorization, and removes the organic pollution of residual in sewage；
Described land percolation 8 and described artificial swamp 9 are for removing the organic pollution of remnants, nitrogen phosphorus compound in sewage And microorganism.
In the present embodiment, described ammonia nitrogen aeration and biological adsorption filter 4 and described deep type phosphorus adsorption filter 7 are to surmount pipe 6 Being connected, centre has can be had in the middle of described ammonia nitrogen aeration and biological adsorption filter 4 and described sewage backflow pond 5 with the valve A of folding Can be with the valve B of folding.
In the present embodiment, the filler in described PACT pond 3 is activated carbon and red mud molecular sieve, and the thickness of filler is 2.5m, The filtering velocity in PACT pond 3 is 8m/h.
The filler of described ammonia nitrogen aeration and biological adsorption filter 4 is artificial zeolite, and the particle diameter of described artificial zeolite is 4mm, fills out The thickness of material is 2.5m, and the filtering velocity of ammonia nitrogen aeration and biological adsorption filter 4 is 8m/h, between ammonia nitrogen aeration and biological adsorption filter 4 is taked The mode of formula of having a rest aeration.
Modified clay mineral selected by the filler of described deep type phosphorus adsorption filter 4, and the thickness of described filler is at 5m, and deep type phosphorus is inhaled The filtering velocity in attached filter tank is 4m/h.
Described land percolation 8 and described artificial swamp 9 can be according to project occupation of land, investment situation and local economy society feelings Condition uses the kinds of processes such as rapid infiltration land, subsurface infiltration, surface current artificial wetland and vertical current constructed wetland to be combined, And use limestone, gravel, Fu Luoli kieselguhr as filler, the particle diameter of filler is 10mm, and the thickness of described filler is 1.0m, Hydraulic load determines according to engineering practice.
Temperature in described WAR reactor 2 is 246 DEG C, and pressure is 10Mpa, and the time of staying is 2h.
The charcoal mud concentration of described WAR reactor 2 > 9%, suspended solid amount must not be less than 9%, to provide WAR reactor 2 steady Fixed sludge quantity.
Described PACT pond 3, WAR reactor 2, the outer wall of heat exchanger 10 use heat-insulation layer insulation, reduce thermal loss.
After described WAR reactor 2, heat exchanger 10 run a period of time, dust technology is used to clean the fouling of inwall.
The aerator in described PACT pond 3 uses nanometer aeration machine, and air inlet is O2, strengthen local cavitation by nanometer aeration Effect produces.
Embodiment 3
Device described in embodiment 1 is used to carry out sewage disposal.
Sewage takes the mode that batch-type is intake, and flooding time is spaced apart 12h, and sewage enters PACT pond 3, utilizes PACT pond The adsorption of the powder activated carbon in 3 and the biodegradation of biochemical sludge, change into dirt organic pollutants CO2And H2O, mineralized nitrogen becomes nitrate nitrogen, and heavy metal ion solidifies precipitation under the effect of red mud molecular sieve, purifies sewage； The supernatant in PACT pond 3 imports to ammonia nitrogen aeration and biological adsorption filter 4, natural zeolite that ammonia nitrogen is adsorbed on filter tank or manually boil (NH after stone absorption3-N clearance is up to 99%), valve A closes, and valve B opens, and sewage is flowed into sewage backflow pond 5 and stores. Ammonia nitrogen aeration adsorption filter 4 is added nitrobacteria simultaneously, and carries out aeration aerating 6h, then stop aeration.In the process Absorption ammonia nitrogen on filler is oxidized to NO in the presence of nitrifier3-N, the absorbability of filler recovers again.Then will Valve B closes, and valve A opens, and the sewage submersible sewage pump being stored in sewage backflow pond 5 returns ammonia nitrogen aeration adsorption filter 4, with Time add denitrifying bacterium, NO3-N carries out denitrification, the reflux ratio of sewage with the Organic substance in sewage under the effect of denitrifying bacterium Control between 1:3.5-1:4.7.After 6 hours, sewage is flowed into deep type phosphorus adsorption filter 7 by surmounting pipe 6, and phosphorus is gone at this Removing, the Organic substance of part residual is removed at deep type phosphorus adsorption filter 7 simultaneously, and this section of water outlet sequentially enters land percolation 8 and people Work wetland 9 carries out advanced treating, and hydraulic load determines according to engineering practice, remaining a small amount of Organic substance and nitrogen phosphorus in sewage Compound is removed together with escherichia coli.
The excess sludge produced in PACT pond 3, through concentration basin 1 concentrating and precipitating, pumps in WAR reactor 2, reacts at WAR Wet air regeneration is carried out, by the heat exchanger 10 charging and discharging heat exchange to WAR reactor 2, the dirt adhered to by activated carbon in device 2 Mud is oxidized to inorganic matter, and activated carbon is not destroyed, and the activated carbon having recovered activity returns again to reuse in PACT pond 3, WAR Residue after reactor 2 processes directly discharges.
The influent concentration COD 200-500mg/L, NH of sewage3-N 30-100mg/L, TN40-120mg/L TP5-30mg/ L, water outlet COD < 30mg/L, the NH of system3-N < 1.5mg/L, TN < 1.5mg/L, TP < 0.05mg/L, completes the dirt of deep purifying Water can directly discharge.
Through measuring and calculating, for comparing traditional activated sludge process process waste water, the COD in sewage is removed by denitrification, dirty NH in water3-N is removed by nitrification, considerably reduces energy consumption, stable effluent quality, can reach one-level A, and operating cost is only For the 1/3 of traditional activated sludge process, there is fabulous application prospect.
Particular embodiments described above, has been carried out the purpose of the present invention, technical scheme and beneficial effect the most in detail Describe in detail bright it should be understood that the foregoing is only the specific embodiment of the present invention, be not limited to the present invention, all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included in the protection of the present invention Within the scope of.

Claims (10)

1. a batch-type absorption aerating filter and land percolation-artificial swamp coupling device, it is characterised in that comprising: dense Contracting pond, WAR reactor, heat exchanger, PACT pond, ammonia nitrogen aeration and biological adsorption filter, sewage backflow pond, deep type phosphorus adsorption filter, Land percolation and artificial swamp；Wherein, described concentration basin connects described WAR reactor, and described WAR reactor connects described heat exchange Device, described heat exchanger connects described PACT pond, and described PACT pond connects described concentration basin respectively and described ammonia nitrogen aeration and biological is inhaled Attached filter tank, described ammonia nitrogen aeration and biological adsorption filter connects described sewage backflow pond and described deep type phosphorus adsorption filter, institute respectively Stating deep type phosphorus adsorption filter and connect described land percolation, described land percolation connects described artificial swamp；
Described concentration basin is for making the excess sludge concentrating and precipitating produced in described PACT pond；
Described WAR reactor is for making the described excess sludge wet air regeneration of concentrating and precipitating, and the residue after emission treatment；
The mud that activated carbon adheres to, for the charging and discharging heat exchange of described WAR reactor, is oxidized to inorganic matter by described heat exchanger, Again return to described PACT pond is reused by the activated carbon having recovered activity；
Mineralized nitrogen, for the organic pollution in sewage is changed into carbon dioxide and water, is become nitrate by described PACT pond Nitrogen, and make heavy metal ion solidification precipitation；
Described ammonia nitrogen aeration and biological adsorption filter is used for adsorbing ammonia nitrogen, and the sewage after having adsorbed ammonia nitrogen enters described sewage backflow Pond, and be nitrate nitrogen by the ammonium oxidation that adsorbed, then make the organic pollution denitrification in nitrate nitrogen and sewage；
Described sewage backflow pond is used for storing sewage, and sewage returns to described ammonia nitrogen aeration and biological adsorption filter；
Described deep type phosphorus adsorption filter is used for dephosphorization, and removes the organic pollution of residual in sewage；
Described land percolation and artificial swamp are for removing organic pollution, nitrogen phosphorus compound and microorganism remaining in sewage.
Batch-type the most according to claim 1 absorption aerating filter and land percolation-artificial swamp coupling device, its feature Being, the filler in described PACT pond is activated carbon and red mud molecular sieve, the thickness of filler be the filtering velocity in 2-2.5m, PACT pond be 6- 8m/h。
Batch-type the most according to claim 1 absorption aerating filter and land percolation-artificial swamp coupling device, its feature Being, the filler of described ammonia nitrogen aeration and biological adsorption filter is artificial zeolite or natural zeolite, described artificial zeolite or natural boiling The particle diameter of stone is 2-4mm, and the thickness of filler is 1.5-2.5m, and the filtering velocity of ammonia nitrogen aeration and biological adsorption filter is 4-8m/h, ammonia nitrogen The mode of intermittent aeration taked by aeration and biological adsorption filter.
Batch-type the most according to claim 1 absorption aerating filter and land percolation-artificial swamp coupling device, its feature Being, the filler of described deep type phosphorus adsorption filter is modified clay mineral, and the thickness of filler is 4-5m, deep type phosphorus adsorption filter Filtering velocity is 2-4m/h.
Batch-type the most according to claim 1 absorption aerating filter and land percolation-artificial swamp coupling device, its feature Being, the filler of described land percolation and artificial swamp is selected from limestone, gravel and Fu Luoli kieselguhr, and the particle diameter of filler is 10-15mm, the thickness of filler is 1.0-1.5m.
Batch-type the most according to claim 1 absorption aerating filter and land percolation-artificial swamp coupling device, its feature Being, the temperature in described WAR reactor is 226～246 DEG C, and pressure is 6～10Mpa, and the time of staying is 1～2h；Described WAR The charcoal mud concentration of reactor > 9%, suspended solid amount must not be less than 9%；Described PACT pond, WAR reactor, the outer wall of heat exchanger Use heat-insulation layer is incubated, and reduces thermal loss.
Batch-type the most according to claim 1 absorption aerating filter and land percolation-artificial swamp coupling device, its feature It is, after described WAR reactor, heat exchanger run a period of time, uses dust technology to clean the fouling of inwall；Described PACT pond Aerator uses nanometer aeration machine, and air inlet is O2, produced by nanometer aeration strengthening local cavitation effect.
8. the batch-type absorption aerating filter described in any one of claim 1～7 exists with land percolation-artificial swamp coupling device Application in sewage disposal.
9. batch-type absorption aerating filter and the land percolation-artificial swamp coupling that a kind utilizes described in any one of claim 1～7 Locking device carries out the method for sewage disposal, it is characterised in that comprise the steps:
(1) sewage is passed through described PACT pond, dirt organic pollutants is changed into carbon dioxide and water, mineralized nitrogen is become Nitrate nitrogen, and make heavy metal ion solidification precipitation；
(2) sewage processed through step (1) is passed through described ammonia nitrogen aeration and biological adsorption filter to adsorb ammonia from described PACT pond Nitrogen, enters sewage described sewage backflow pond afterwards, and is nitrate nitrogen by the ammonium oxidation adsorbed；
(3) sewage is returned to described ammonia nitrogen aeration and biological adsorption filter from described sewage backflow pond, to nitrate nitrogen and sewage In organic pollution carry out denitrification；
(4) sewage processed through step (3) is passed through described deep type phosphorus adsorption filter from described ammonia nitrogen aeration and biological adsorption filter With dephosphorization, and remove the residual organic contaminants in sewage；
(5) sewage is passed sequentially through described land percolation and artificial swamp, to remove in sewage from described deep type phosphorus adsorption filter Remaining organic pollution, nitrogen phosphorus compound and microorganism.
Method the most according to claim 9, it is characterised in that it also comprises the steps:
(6) excess sludge produced in described PACT pond is passed through described concentration basin and carries out concentrating and precipitating；
(7) the described excess sludge of concentrating and precipitating is passed through described WAR reactor and carries out wet air regeneration；
(8) the described excess sludge of wet air regeneration is passed through described heat exchanger, and the charging and discharging to described WAR reactor are carried out Heat exchange, is oxidized to inorganic matter by the mud that activated carbon adheres to, and is again returned in described PACT pond by the activated carbon having recovered activity Reuse, the residue after direct emission treatment.
CN201610082292.7A 2016-02-05 2016-02-05 Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device Pending CN105712578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610082292.7A CN105712578A (en) 2016-02-05 2016-02-05 Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610082292.7A CN105712578A (en) 2016-02-05 2016-02-05 Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device

Publications (1)

Publication Number Publication Date
CN105712578A true CN105712578A (en) 2016-06-29

Family

ID=56156581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610082292.7A Pending CN105712578A (en) 2016-02-05 2016-02-05 Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device

Country Status (1)

Country Link
CN (1) CN105712578A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203474595U (en) * 2013-09-06 2014-03-12 苏州市瑞华水处理工程有限公司 Device for recycling domestic sewage in colleges and universities
CN104150690A (en) * 2014-07-25 2014-11-19 席北斗 Disinfection sewage treatment integrated device and treatment method
CN104150697A (en) * 2014-07-25 2014-11-19 中国环境科学研究院 Three-level deep rapid purification device and method for heavy metals in underground water
CN204174039U (en) * 2014-03-17 2015-02-25 上海净淼环境科技有限公司 Sequence batch (absorption aerating filter
CN104718022A (en) * 2012-10-26 2015-06-17 西门子能量股份有限公司 Reduced maintenance water treatment apparatus incorporating wet air regeneration

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104718022A (en) * 2012-10-26 2015-06-17 西门子能量股份有限公司 Reduced maintenance water treatment apparatus incorporating wet air regeneration
CN203474595U (en) * 2013-09-06 2014-03-12 苏州市瑞华水处理工程有限公司 Device for recycling domestic sewage in colleges and universities
CN204174039U (en) * 2014-03-17 2015-02-25 上海净淼环境科技有限公司 Sequence batch (absorption aerating filter
CN104150690A (en) * 2014-07-25 2014-11-19 席北斗 Disinfection sewage treatment integrated device and treatment method
CN104150697A (en) * 2014-07-25 2014-11-19 中国环境科学研究院 Three-level deep rapid purification device and method for heavy metals in underground water

Similar Documents

Publication Publication Date Title
CN2799526Y (en) Magnetic lightcatalyzed integral sewage regeneration and utilization device
CN102775029A (en) Advanced municipal wastewater treatment system and method
CN204848564U (en) Handle rural domestic sewage&#39;s domestic type system
CN106587491B (en) A kind of high-speed railway passenger toilet waste collector wastewater reuse approach system and method
CN204174040U (en) A kind of sequence batch (absorption aerating filter device
CN104150691B (en) A kind of compound alternating current wetland molecular sieve biological disk treatment system and method
CN101585607B (en) Preparation method for substrate of vertical-flow constructed wetlands
CN107010782A (en) It is a kind of at the same remove industrial park waste water in hardly degraded organic substance, total cyanogen and total nitrogen method
CN204958524U (en) Biological activity filtering pond water advanced treatment unit
CN102491599B (en) Domestic sewage integrated-treatment method
CN101090868B (en) Magneting photocatalytic compact wastewater reclamation and reuse device
CN202808537U (en) Town sewage deep treatment system
CN204174039U (en) Sequence batch (absorption aerating filter
CN100526236C (en) Process for treating and recovering wastewater of coking
CN105621808A (en) Adsorptive aeration filter tank, artificial wetland and ecological pond coupling device and application thereof
CN201272716Y (en) High-efficiency sewage denitriding apparatus
CN105731723A (en) Coupling device of adsorption and aeration filter tank and soil infiltration-ecological pond and application of coupling device
CN105819617A (en) Biological thickening treatment method and biological thickening device for high-salt organic chemical waste water
CN105712578A (en) Sequencing batch type adsorption aerating filter and land percolation-constructed wetland coupling device
CN108862559A (en) A kind of micro- oxygen environment moving-bed biofilm reaction unit and the method using its processing coal gas wastewater
CN205500907U (en) Sewage treatment system and denitrification biological filter module thereof
CN205687646U (en) High-efficient filter pool device for denitrogenation dephosphorizing
CN1448342A (en) Process for treating cyclic cooling water
CN104961288B (en) The sewage disposal system that ecological oxidation ditch is combined with ecological box wetland
CN105541048A (en) Sequencing batch adsorption aerating filter and slow rate soil infiltration tank coupling device and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160629

RJ01 Rejection of invention patent application after publication