CN2208040Y - Feedback aerobic and anoxic sewage purifying equipment - Google Patents
Feedback aerobic and anoxic sewage purifying equipment Download PDFInfo
- Publication number
- CN2208040Y CN2208040Y CN94238690U CN94238690U CN2208040Y CN 2208040 Y CN2208040 Y CN 2208040Y CN 94238690 U CN94238690 U CN 94238690U CN 94238690 U CN94238690 U CN 94238690U CN 2208040 Y CN2208040 Y CN 2208040Y
- Authority
- CN
- China
- Prior art keywords
- locellus
- aerobic
- anoxic
- sewage
- chamber
- 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.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000746 purification Methods 0.000 claims abstract description 12
- 238000005276 aerator Methods 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 238000001556 precipitation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000006757 chemical reactions by type Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 9
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000003301 hydrolyzing effect Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000003245 working effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 206010002660 Anoxia Diseases 0.000 description 2
- 241000976983 Anoxia Species 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 230000007953 anoxia Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011211 glass fiber reinforced concrete Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Physical Water Treatments (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a feedback aerobic and anoxic sewage biological purification device, which is mainly characterized in that an anoxic chamber is added at the front stage of an aerobic chamber, and the purpose is to strengthen hydrolysis and denitration reaction. In addition, the utility model discloses a unique technologies such as super high specific surface suspension flow formula biofiltration bed, aerator, ultraviolet disinfector and combined material manufacture equipment casing under water, not only purifying effect improves 3-4 times than traditional equipment, and manufacturing cost can reduce about one third moreover. The utility model discloses extensively be applicable to domestic sewage and various organic mill's sewage's processing and environmental protection engineering.
Description
The utility model relates to that a kind of reaction type is aerobic, anoxic method sewage purifier.
In human lives and activity in production, can constantly produce sanitary sewage and industrial sewage.From the sanitary sewage in washroom, bathroom, lavatory, kitchen and industrial sewage from food factory, dairy plant, fur manufacturing factory, slaughterhouse, pollutent wherein can be summed up as three major types: carbohydrate, protein and lipid.This three classes organic compound all is to be made of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), these several fundamental elements of sulphur (S).In the prior art, to the processing of above-mentioned sewage, be to make sewage pass through a fixing cellular-shaped biofiltration bed, cultivate and breed the microorganism that can decompose these pollutents, the vital movement by microorganism resolves into inorganics with organic pollutant, as CO
2, CH
4, H
2, N
2, H
2O, NO
-1 3, SO
-2 4Deng, in general this class degradation production is harmless to water quality, can enter atmosphere and water system, this is the ultimate principle of biopurification.Since conventional fixing cellular-shaped biofiltration bed, its body surface area≤160m
2/ m
3, the microorganic adhesion amount is few in the unit volume, causes existing sewage purifier, and purification efficiency is low, and volume expands, and work-ing life is low.
The purpose of this utility model is to provide a kind of volume few, and cost is low, purification efficiency height, the sewage purifier of long service life.
In order to achieve the above object, the utility model adopts following technical proposals: referring to Fig. 1, in a big housing, press ordering successively by anoxic chamber (A), aerobic room (B), settling chamber (C), sterilized room (D) and mud locker room (E) five most of compositions.This five major part can place single housing respectively, is linked to be a holonomic system by the advection pipe, or places among the big housing altogether, is separated by vertically disposed hollow shelf between each chamber, and the dividing plate space is as the advection passage of each chamber.It is characterized in that the anoxic chamber generally is in series by 2～3 locellus, the bottom of each locellus is equipped with stirrer under water.Aerobic room generally also is in series by 2～3 locellus, and each locellus bottom is provided with underwater aerator, and top is superhigh specific surface area suspension flow dynamic formula biofiltration bed, and the most a locellus bottom is not provided with the sewage feedback pump that sewage is returned to the first anoxic locellus.The settling chamber is in series by two locellus, previous locellus bottom is provided with the mud feedback pump that mud is returned to the first anoxic locellus, locellus bottom, back is provided with the mud Send out pump of mud being delivered to the mud locker room, and the volume at the middle part of two locellus about 3/5 is equipped with superposed type slip inclined tube.Be provided with ultraviolet disinfector in the sterilized room.The mud locker room is located at the sterilized room below.Sewage induction pipe is equipped with in first top, anoxic chamber, and the top of the second precipitation locellus communicates with the outlet conduit in the sterilized room.The sewage of its purification between each chamber be by the advection passage by following flow process mobile: sewage flows into the top of next anoxic locellus from the bottom of a last anoxic locellus, flow to the top of the first aerobic locellus then, flow out from the bottom walk around the top of next aerobic locellus by U type advection passage from the bottom of a last aerobic locellus after, flow into the bottom of settling chamber again from the top of last aerobic locellus, flow to the bottom of second locellus from the top of first precipitation locellus, the clear water after the final purification discharges by the rising pipe that is contained in the sterilized room from the top of the second precipitation locellus.
Basis is novel to be compared with conventional art, and its characteristics are to have set up an anoxic chamber.The indoor not aeration of anoxic, dissolved oxygen approaches other.By sewage feedback pump (10) will be sewage below the most aerobic locellus be returned to first anoxic locellus; By mud feedback pump (14) mud of previous precipitation locellus bottom is returned to the first anoxic locellus; By stirrer (3) under water, the sewage indoor to anoxic carries out continuously stirring.Under anoxia condition, pollutent will produce a series of biological chemistry decomposition coursees, and one of them is a hydrolytic process: solid matter is degraded to deliquescent material in hydrolytic process, and macromolecular substance is degraded to small-molecule substance, and carbohydrate degradation is a lipid acid.In hydrolytic process, can remove quite a few organic pollutant.The removal of organism in the anoxic chamber is the combined reaction process that comprises physics, chemistry and biological chemistry.Except hydrolytic process, also carry out denitrification process: the ammonia nitrogen (NH that refluxes and to come from aerobic room
4) oxidation products NO
3, microorganism can decomposing N O under anoxia condition
3, restore nitrogen (N
2), discharge into the atmosphere, reach the purpose of denitration.
The utility model has adopted the present inventor to apply in 94.4.28 day in aerobic room, and application number is " superhigh specific surface area suspended biological filter bed monomer " technology of 94238613.2.Long-pending 500～the 610m that reaches of this biofiltration sheet surface area per unit volume
2/ m
3, permeability rate height (〉=96%), purification efficiency is more than 3 times of conventional fixed formula honeycomb filter bed.Be more than 20 times of traditional structure work-ing life.With the traditional gas blower aeration of aerator replacement under water, oxygen-transfer efficiency improves more than 30% in aerobic room, and noise reduces about 20 decibels, has cancelled Ventilator Room, airduct, the first-class facility of aeration simultaneously.On the logistics corridor on this aerobic locellus top, the sewage uniform device is housed, sewage is evenly flowed, improve purification efficiency.
The utility model has been made important improvement to the settling chamber, adopt the series connection of two precipitation locellus to use, the volume at its middle part about 3/5 is equipped with superposed type slip inclined tube, inclined tube in every layer all is arranged in parallel by medullary ray symmetry outer incline, about 60 ° of slip inclined tube and sea line angle, best bore is 50～100mm, and the slip inclined tube is divided into 4～6 layers, vertically is formed by stacking.The deposition efficiency of this settling chamber is more than 2 times of traditional settling chamber.
The utility model has been made significant improvement to the disinfection way of conventional purification apparatus, is provided with ultraviolet disinfector in sterilized room, adopts ultraviolet physical disinfection technology, gets and has replaced chemical dispensing disinfection way.Eliminated secondary pollution, can realize automatic sterilization, infrastructure cost and running cost can reduce by 1～2 times, and sterilisation effect can improve about 30 times, can kill worm's ovum and virus simultaneously.
Apparatus casing of the present utility model adopts nonmetallic composite to make garden tubular one-piece construction.Adopt unique injection compounding technology, glass fiber reinforced concrete, polymkeric substance, glass reinforced plastic etc. are made matrix material.This composite material strength height, rigidity is big, and is corrosion-resistant anti-aging, and be more than 20 times of body of conventional steel plates welding work-ing life, and cost but has only 1/3 of steel plate welding body or pure glass steel shell.Because garden tubular one-piece construction has overcome conventional steel plates and has been welded into rectangle, produce and purify the dead angle, under the same conditions, can purely raise the efficiency 20～25%.
During use, sewage to be clean enters from the sewage induction pipe of top, the first anoxic chamber, by the advection passage, flow to the top of the second anoxic locellus from the bottom of the first anoxic locellus, flow to the top of first aerobic room's locellus then, from the sewage uniform device, flow out, again from the bottom of the first aerobic locellus, by U-shaped advection passage, flow out from the bottom of the second aerobic locellus after walking around the top of next aerobic locellus, flow into the bottom of the first precipitation locellus again from the top of the second aerobic locellus, mud avales under the stopping of multilayer slip inclined tube, and more clear water sees through slip inclined tube endoporus, enters the bottom of the second precipitation locellus from top, through the clear water of two locellus post precipitations, discharge by the rising pipe that is contained in the sterilized room from the second precipitation locellus top.The mud of the second precipitation locellus bottom is delivered to the mud locker room by Send out pump.Because sewage and mud feedback pump is all arranged in aerobic room and settling chamber, the mud feedback that had before produced is delivered to the anoxic chamber carry out secondary-cleaned, so the mud that finally stayed in second settling chamber is afterwards just wanted much less than conventional treating plant, so also just alleviate the maintaining workload of this treating plant greatly, the work-ing life of improving equipment greatly.Still the clear liquid on top, mud locker room returns the top of the second aerobic locellus by pipeline.
The utility model compared with prior art, advantage is obvious.It has the purification efficiency height, and noise is low, long service life, low cost and other advantages.
The drawing explanation of accompanying drawing:
Fig. 1 is the structure principle chart of a kind of embodiment of the utility model.
Fig. 2 is the structure principle chart of the utility model underwater aerator.
Fig. 3 is the utility model underwater aerator air-flow distribution schematic diagram in water.
Fig. 4 is the purification function system flowchart of the utility model another embodiment.
Fig. 5 is that the utility model integral device is installed diagrammatic cross-section.
An embodiment of the present utility model is: referring to Fig. 1, housing adopts whole garden tubular construction, and anoxic chamber, aerobic room and settling chamber all adopt two locellus to be in series, and each locellus bottom is equipped with stirrer and underwater aerator under water.Slip inclined tube in the settling chamber is laminated into by four.Among Fig. 1, the 1st, water inlet pipe, the 2nd, manhole, have six, 3 is two stirrers under water, the 4,8,11, the 15th, and the advection passage between each chamber, the 5th, the sewage uniform device, the 6, the 9th, suspension flow dynamic formula biofiltration bed, 7 is two underwater aerators, the 10th, sewage feedback pump, the 12, the 16th, slip inclined tube, the 14th, mud feedback pump, the 17th, the mud Send out pump, the 18th, ultraviolet disinfector, the 19th, rising pipe, the 20th, housing.
Another embodiment of the present utility model is: referring to Fig. 4, adopt to divide a body structure, anoxic chamber, aerobic room, settling chamber, sterilized room and mud locker room are placed among five small shells, get up with the advection pipe coupling between each chamber, become a holonomic system.Wherein 1 is the anoxic chamber, the 2, the 3rd, and aerobic room, the 4, the 5th, settling chamber, the 6th, sterilized room, the 7th, mud locker room.
Fig. 5 is that the utility model integral device is installed diagrammatic cross-section, and wherein 1 is the equalizing tank inhalent siphon, the 2nd, and grid, the 3rd, equalizing tank, the 4th, tearing up property water pump, the 5th, treating plant water inlet pipe, the 6th, treating plant, the 7th, mounting seat, the 8th, manhole.
The utility model embodiment 1:
Making a treatment capacity by accompanying drawing 1 is 5 tons/hour sewage purifier, water inlet BOD
5=280mg/L, ammonia nitrogen (NH
4-N)=and 64mg/L, sewage effective residence time in equipment is 7 hours, and wherein the anoxic chamber stopped 2 hours, and aerobic room stopped 3 hours, and settling chamber's (comprising sterilized room) stopped 2 hours.Water outlet BOD
5=15.5mg/L, clearance are 94%; NH
4-N=5.6mg/L, clearance are 91%.Under similarity condition, use traditional commercially available treating plant, water outlet BOD
5=58.3mg/L, NH
4-N=52mg/L.The utility model is to BOD
5Clearance be 3.7 times of legacy equipment, and also fairly obvious to the removal effect of ammonia nitrogen, legacy equipment can not be removed ammonia nitrogen substantially.
Embodiment 2:
Making a treatment capacity by accompanying drawing 6 is 50 tons/hour sewage purifier, water inlet BOD
5=230mg/L, ammonia nitrogen (NH
4-N)=and 58mg/L, sewage effective residence time in equipment is 7 hours, and wherein the anoxic chamber stopped 2 hours, and aerobic room stopped 3 hours, and settling chamber's (comprising sterilized room) stopped 2 hours.Water outlet BOD
5=14.7mg/L, clearance are 93%, ammonia nitrogen (NH
4-N)=and 4.2mg/L, clearance is 92%.Under similarity condition, adopt traditional commercially available treating plant, water outlet BOD
5=46.7mg/L, ammonia nitrogen (NH
4-N)=52.4mg/L.The utility model is to BOD
5Clearance be 3.1 times of legacy equipment, and to ammonia nitrogen (NH
4) clearance also fairly obvious; Traditional commercially available catalytic oxidation equipment can not be removed ammonia nitrogen substantially.
Claims (5)
1, a kind of reaction type is aerobic, anoxic method sewage purifier, press ordering successively by anoxic chamber (A), aerobic room (B), settling chamber (C), sterilized room (D) and mud locker room (E) five most of compositions, this five major part can place single housing respectively, be linked to be a holonomic system by the advection pipe, or place altogether among the big housing, be separated by vertically disposed hollow shelf between each chamber, the dividing plate space is characterized in that as the advection passage of each chamber the anoxic chamber generally is in series by 2 to 3 locellus, and the bottom of each locellus is equipped with stirrer under water; Aerobic room generally also is in series by 2 to 3 locellus, and each locellus bottom is provided with underwater aerator, and top is superhigh specific surface area suspension flow dynamic formula biofiltration bed, and the most a locellus bottom is not provided with the sewage feedback pump that sewage is returned to the first anoxic locellus; The settling chamber is in series by two locellus, previous locellus bottom is provided with the mud feedback pump that mud is returned to the first anoxic locellus, locellus bottom, back is provided with the mud Send out pump of mud being delivered to the mud locker room, and the volume at the middle part of two locellus about 3/5 is equipped with superposed type slip inclined tube; Be provided with ultraviolet disinfector in the sterilized room; The mud locker room is located at the sterilized room below; Sewage induction pipe is equipped with in first top, anoxic chamber, and the top of the second precipitation locellus communicates with the outlet conduit in the sterilized room.
2, treating plant according to claim 1, the sewage that it is characterized in that its purification between each chamber be by the advection passage by following flow process mobile: sewage flows into the top of next anoxic locellus from the bottom of a last anoxic locellus, flow to the top of the first aerobic locellus then, flow out from the bottom walk around the top of next aerobic locellus by U type advection passage from the bottom of a last aerobic locellus after, flow into the bottom of settling chamber again from the top of last aerobic locellus, flow to the bottom of second locellus from the top of first precipitation locellus, the clear water after the final purification discharges by the rising pipe that is contained in the sterilized room from the top of the second precipitation locellus.
3, treating plant according to claim 1 is characterized in that superposed type slip inclined tube divides 4～6 layers in the settling chamber, vertically builds up; Inclined tube in every layer all is arranged in parallel by medullary ray symmetry outer incline; About 60 ° of slip inclined tube and sea line angle; Slip inclined tube internal diameter is φ 50～100mm.
4, treating plant according to claim 1 is characterized in that on the advection passage on the first aerobic locellus top sewage uniform device being housed.
5, treating plant according to claim 1 is characterized in that apparatus casing adopts nonmetallic composite to make garden tubular one-piece construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94238690U CN2208040Y (en) | 1994-05-11 | 1994-05-11 | Feedback aerobic and anoxic sewage purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94238690U CN2208040Y (en) | 1994-05-11 | 1994-05-11 | Feedback aerobic and anoxic sewage purifying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2208040Y true CN2208040Y (en) | 1995-09-20 |
Family
ID=33846040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94238690U Expired - Fee Related CN2208040Y (en) | 1994-05-11 | 1994-05-11 | Feedback aerobic and anoxic sewage purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2208040Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344559C (en) * | 2003-02-28 | 2007-10-24 | 杭玉君 | Method for cyclically utilizing middle water of public toilet sewage and specialized equipment therefor |
| CN101857344A (en) * | 2010-06-13 | 2010-10-13 | 华南理工大学 | Method for treating domestic sewage by applying light ceramic suspended filler moving bed |
-
1994
- 1994-05-11 CN CN94238690U patent/CN2208040Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344559C (en) * | 2003-02-28 | 2007-10-24 | 杭玉君 | Method for cyclically utilizing middle water of public toilet sewage and specialized equipment therefor |
| CN101857344A (en) * | 2010-06-13 | 2010-10-13 | 华南理工大学 | Method for treating domestic sewage by applying light ceramic suspended filler moving bed |
| CN101857344B (en) * | 2010-06-13 | 2011-12-21 | 华南理工大学 | Method for treating domestic sewage by applying light ceramic suspended filler moving bed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101708919A (en) | Method for treating leachate in refuse landfill site | |
| CN201864644U (en) | Integrated denitrification and dephosphorization sewage treatment pond | |
| CN205773937U (en) | A kind of ozone occurs and processing means | |
| CN100513336C (en) | Water treatment new combined technique with high purification function | |
| CN109368925A (en) | A kind of integrated sewage treating apparatus | |
| CN102040316A (en) | Method for purifying ecological compound sludge water body | |
| CN2208040Y (en) | Feedback aerobic and anoxic sewage purifying equipment | |
| CN211770798U (en) | Hospital sewage treatment process system | |
| CN209481413U (en) | A kind of distributing integrated sewage water purification pot | |
| CN2218176Y (en) | Intermittent sewage purifying equipment by activated sludge process | |
| CN110054349A (en) | A kind of economical dyeing waste water denitrogenation processing system | |
| CN214327476U (en) | Infectious wastewater MBR membrane integration sewage treatment equipment | |
| CN209383621U (en) | A kind of sewage disposal system for town domestic sewage purified treatment | |
| CN114436472A (en) | Movable advanced sewage treatment system based on embedded microorganism construction method | |
| CN113735379A (en) | Domestic sewage treatment is with purifying and disinfecting retrieval and utilization device | |
| CN201268654Y (en) | Ozone disinfection and downflow type aerating biological filter integrated sewage treating device | |
| CN217868525U (en) | Self-refluxing MBR device and system capable of adjusting reflux ratio | |
| CN205874141U (en) | Sewage purification tank | |
| CN211999347U (en) | Improved device of domestic sewage treatment device | |
| CN213623720U (en) | Distributed low-influence sewage treatment device | |
| CN216764616U (en) | Ketazine method synthetic hydrazine hydrate evaporation condensate effluent disposal system | |
| CN215161971U (en) | Rural single household domestic sewage integrated treatment device | |
| CN220078882U (en) | Sewage treatment equipment with front and rear disinfection systems | |
| CN212315855U (en) | Biological deodorization filtering pond device of sewage | |
| CN214244135U (en) | Be applied to emergent medical wastewater treatment's integrated equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |