CN201049910Y - Rotary multi-section anaerobic bioreactor - Google Patents
Rotary multi-section anaerobic bioreactor Download PDFInfo
- Publication number
- CN201049910Y CN201049910Y CNU2007201061830U CN200720106183U CN201049910Y CN 201049910 Y CN201049910 Y CN 201049910Y CN U2007201061830 U CNU2007201061830 U CN U2007201061830U CN 200720106183 U CN200720106183 U CN 200720106183U CN 201049910 Y CN201049910 Y CN 201049910Y
- Authority
- CN
- China
- Prior art keywords
- chamber
- rotary multi
- reactor
- cut
- triphase separator
- 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 - Lifetime
Links
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a rotary multi-slice anaerobic biological reactor which has a reactor body; a water inlet pipe and an air lift reaction chamber are arranged at the lower part of the reactor body; a rotary multi-slice gaskick eliminator is arranged in the air lift reaction chamber; a settling chamber and two hourglass three-phase segregators are arranged at the upper part of the air lift reaction chamber; effluent baffle plates are arranged in the settling chamber. The utility model has the advantages that firstly, the rotary multi-slice gaskick eliminator can effectively eliminate the gaskick phenomena in the operation process of the reactor, relieve the negative effect caused by short flows and ensure the reactor to output water with excellent quality; secondly, the anaerobic active sludge regionalization can be realized and orderly microbial ecology distribution can be maintained in the air lift reaction chamber, anaerobic active sludge self-circulation in sections can be achieved between every two compound slice units of the rotary multi-slice gaskick eliminator, thereby mass transport process and matrix degradation can be strengthened; lastly, the reactor can bear the concentration of highly influent organic matter and has high capacity of impact load resistance.
Description
Technical field
The utility model relates to a kind of rotary multi-cut-piece anaerobic biological reactor.
Background technology
Anaerobic Microbiological Treatment Technology is under anaerobic, utilizes the metabolism of microorganism, and organic pollutant is changed into carbonic acid gas and biogas, thereby makes the process of sewage purification.Handle with aerobe and to compare, anaerobic biological treatment has that power consumption is little, and sludge yield is low, and can reclaim the characteristics of clean energy (biogas), is one of effective means that realizes recycling economy, has a extensive future.
Along with people to anaerobe process understanding deeply and to popularizing that Anaerobic Microbiological Treatment Technology is used, anaerobic biological reactor has also obtained exploitation preferably.So far, anaerobic biological reactor has been developed to the third generation.First-generation anaerobic biological reactor is representative with common anaerobic digester, and its essential characteristic is: reactor is full mixing, does not have the mud circulation, and processing efficiency is lower.S-generation anaerobic biological reactor is representative with upflow anaerobic sludge blanket process (UASB) reactor, and its essential characteristic is: be provided with three phase separation, and the mud recycle, processing efficiency is higher.Third generation anaerobic biological reactor is representative with anaerobic grain sludge expanded bed (EGSB) and anaerobism inner circulation reactor (IC), its essential characteristic is: alleviated the short flow problem of UASB reactor emerged in operation to a certain extent, improved the processing efficiency of reactor.But third generation anaerobic biological reactor also has its inherent defective.For example, EGSB needs liquid return, has not only increased power consumption, and makes reactor be full mixing, and treatment efficiency and effluent quality are difficult to further raising.The IC reactor is prone to gas and emerges in large numbers and resemble and cause short stream before realizing internal recycle, and the operation control ratio is difficulty.
Above-mentioned defective at third generation anaerobic biological reactor, the utility model is attempted to gush eliminator by rotary multi-cut gas is set in reactor, by the cutting action of compound slice unit to anaerobic grain sludge group, elimination anaerobic biological reactor common gas in service emerges in large numbers and resembles, alleviate gas and gush the negative impact that the short stream of initiation causes, realize the anaerobic activated sludge compartmentation, keep orderly microbial ecological to distribute, realize anaerobic activated sludge automated cycle in the section, reinforcing mass transfer process and substrate degradation; By improvement to triphase separator, in reactor, to hold and stay high concentration sludge, the limited reactions device is the back-mixing of section up and down, the treatment efficiency of enhanced reactor; By the effect of triphase separator I chamber, mud gas riser tube, triphase separator II chamber, alleviate the negative impact of short stream due to the ease on the biogas.Evidence, Kai Fa novel anaerobic biological reactor can contain effectively that gas gushes and lacks flow phenomenon, has good anaerobic treatment usefulness, and has very high operation stability in view of the above.
Summary of the invention
The purpose of this utility model provides a kind of rotary multi-cut-piece anaerobic biological reactor.
Rotary multi-cut-piece anaerobic biological reactor has reactor body, in reactor body, be provided with the flow lifting type reaction chamber, the settling chamber, two-stage hourglass shape triphase separator, the reactor body housing divides two parts up and down, the reactor body lower housing is made up of flow lifting type reaction chamber cylinder and increaser, join by flange and reactor body upper housing settling chamber cylinder, be provided with water inlet pipe in the reactor body lower end, the reactor body upper end is provided with the collecting methane pipe, be provided with rotary multi-cut gas in the flow lifting type reaction chamber and gush eliminator, rotary multi-cut gas gushes eliminator to be made up of centibar and a plurality of compound slices unit, the flow lifting type reaction chamber is provided with the settling chamber, be provided with two-stage hourglass shape triphase separator in the settling chamber, two-stage hourglass shape triphase separator is fixed on the reactor body wall by horizontal supporting plate, horizontal supporting plate is provided with the water outlet baffle, the place is provided with rising pipe at the water outlet baffle, be provided with mud backflow seam in two-stage hourglass shape triphase separator lower edge, mud discharging mouth is established a plurality of thief holes at reactor body.
Described rotary multi-cut gas gushes eliminator by being fixed on the centibar, spacing distance is that 5～10 compound slice unit of 50～100mm are formed, be 30 °～50 ° between the neighbouring compound slice unit and stagger, the spacing between the adjacent compound slice unit increases from down to up successively.Rotary multi-cut gas gushes eliminator compound slice unit and is combined by 3～6 sections, is evenly distributed on radially in the circumference, and the long 18～25mm of monolithic section, wide 10～20mm, each section is 45 °～70 ° with the angle of horizontal plane.Rotary multi-cut gas gushes the eliminator centibar by the thin bar construction that has three grooves, and groove is along thin excellent cross section uniform distribution, and the cross section of each groove is triangular in shape, depth of groove 2～5mm.Two-stage hourglass shape triphase separator is provided with triphase separator I chamber, triphase separator II chamber, upper and lower two Room join by mud gas riser tube, angle γ between mud gas riser tube and the triphase separator I chamber reducing pipe is 30 °～50 °, angle β between triphase separator II chamber increaser and the horizontal supporting plate is 40 °～50 °, and gas skirt lower edge, triphase separator I chamber is 4～6: 1～2 to liquid level apart from a and liquid level to the ratio of the distance b of lower edge, triphase separator II chamber.The flow lifting type reaction chamber is cylindric, and aspect ratio is 7～10: 1, the cross-sectional area S of flow lifting type reaction chamber
1With the maximum cross-section area S of settling chamber
2Ratio be 1: 4～6, with the cross-sectional area S of mud gas riser tube
3Ratio be 5～7: 1.Settling chamber's volume is 0.5～1.0: 2.4～2.7 with the ratio that overall reactor is amassed, and the out cylinder increaser becomes 50 °～70 ° with the angle α of datum water level, and mud backflow kerf spacing is 10～15mm.The water outlet baffle is cylindrical, internal diameter 40～70mm, height 40～50mm, liquid level 20～30mm is goed deep in water outlet baffle lower edge, on the water outlet baffle, be higher than liquid level 10～15mm place 1～4 ventilating pit is set, aperture 5～10mm, rising pipe pass settling chamber's out cylinder and water outlet baffle.
Advantage of the present utility model: 1) set rotary multi-cut gas gushes eliminator and can eliminate the gas of reactor generation in service effectively and emerge in large numbers and resemble, and solves the negative effect due to the short stream well, makes reactor have the high-quality water outlet; 2) in the flow lifting type reaction chamber, can realize the anaerobic activated sludge compartmentation, keep orderly microbial ecological to distribute, gush at rotary multi-cut gas between two compound slice unit of eliminator, can realize anaerobic activated sludge automated cycle in the section, thus reinforcing mass transfer process and substrate degradation; 3) putting two-stage hourglass shape triphase separator is made up of I chamber and II chamber two portions, constitute two-stage (I level, II level) three-phase separating system, can realize effective separation of mud, water, gas, the I chamber is provided with gas skirt, can effectively cover the entire reaction chamber cross-section and certain depth is arranged, can collect well by the biogas that escapes on the reaction chamber, avoid mud and the direct outflow reactor of matrix in the air-flow tail washings, can hold in the reactor and stay high sludge concentration, less with the mud that water outlet is run off, make reactor have very high usefulness and fine water outlet; 4) two-stage hourglass shape triphase separator I chamber links to each other with triphase separator II chamber with mud gas riser tube, separate through mud, water, gas, the mud and the water that are brought to triphase separator II chamber can return in the reaction chamber by high potential difference, realize the mud circulation and strengthen substrate degradation, negative impact due to the short stream of alleviation, thereby the steady running of assurance reactor; 5) this reactor has good anaerobic biological treatment performance, can bear high entering organic matter of water concentration, has high volume transformation efficiency and high volume gas producing efficiency, strong capacity of resisting impact load.
Description of drawings
Accompanying drawing is the efficient anaerobe reactor structural representation; Among the figure: water inlet pipe 1, flow lifting type reaction chamber 2, centibar 3, compound slice unit 4, thief hole 5, shore pipe 6, mud backflow seam 7, flange 8, settling chamber 9, triphase separator I chamber 10, mud gas riser tube 11, rising pipe 12, water outlet baffle 13, horizontal supporting plate 14, triphase separator II chamber 15, collecting methane pipe 16.
Embodiment
As shown in drawings, rotary multi-cut-piece anaerobic biological reactor, it is characterized in that: it has reactor body, in reactor body, be provided with flow lifting type reaction chamber 2, settling chamber 9, two-stage hourglass shape triphase separator, the reactor body housing divides two parts up and down, the reactor body lower housing is made up of flow lifting type reaction chamber 2 cylinders and increaser, join by flange 8 and reactor body upper housing settling chamber 9 cylinders, be provided with water inlet pipe 1 in the reactor body lower end, the reactor body upper end is provided with collecting methane pipe 16, be provided with rotary multi-cut gas in the flow lifting type reaction chamber 2 and gush eliminator, rotary multi-cut gas gushes eliminator to be made up of centibar 3 and a plurality of compound slices unit 4, flow lifting type reaction chamber 2 is provided with settling chamber 9, be provided with two-stage hourglass shape triphase separator in the settling chamber 9, two-stage hourglass shape triphase separator is fixed on the reactor body wall by horizontal supporting plate 14, horizontal supporting plate 14 is provided with water outlet baffle 13,13 places are provided with rising pipe 12 at the water outlet baffle, be provided with mud backflow seam 7 in two-stage hourglass shape triphase separator lower edge, mud discharging mouth 6 is established a plurality of thief holes 5 at reactor body.
Described rotary multi-cut gas gushes eliminator by being fixed on the centibar 3, spacing distance is that 5～10 compound slice unit 4 of 50～100mm are formed, being 30 °～50 ° between the neighbouring compound slice unit 4 staggers, enhancing emerges in large numbers the cutting action of elephant to gas, spacing between the adjacent compound slice unit increases from down to up successively, can eliminate gas and emerge in large numbers and resemble.Rotary multi-cut gas gushes eliminator compound slice unit 4 and is combined by 3～6 sections, is evenly distributed on radially in the circumference, and the long 18～25mm of monolithic section, wide 10～20mm, each section is 45 °～70 ° with the angle of horizontal plane.Rotary multi-cut gas gushes eliminator centibar 3 by the thin bar construction that has three grooves, and groove is along thin excellent cross section uniform distribution, and the cross section of each groove is triangular in shape, depth of groove 2～5mm.Two-stage hourglass shape triphase separator is provided with triphase separator I chamber 10, triphase separator II chamber 15, upper and lower two Room join by mud gas riser tube 11, angle γ between mud gas riser tube 11 and triphase separator I chamber 10 reducing pipes is 30 °～50 °, angle β between triphase separator II chamber 15 increasers and the horizontal supporting plate 14 is 40 °～50 °, and 10 gas skirt lower edges, triphase separator I chamber are 4～6: 1～2 to liquid level apart from a and liquid level to the ratio of the distance b of 15 lower edges, triphase separator II chamber.Flow lifting type reaction chamber 2 is cylindric, and aspect ratio is 7～10: 1, the cross-sectional area S of flow lifting type reaction chamber 2
1With the 9 the maximum cross-section area S of settling chamber
2Ratio be 1: 4～6, with the cross-sectional area S of mud gas riser tube 11
3Ratio be 5～7: 1.Settling chamber's 9 volumes are 0.5～1.0: 2.4～2.7 with the ratio that overall reactor is amassed, and the out cylinder increaser becomes 50 °～70 ° with the angle α of datum water level, and mud refluxes and stitches 7 spacings is 10～15mm.Water outlet baffle 13 is cylindrical, internal diameter 40～70mm, height 40～50mm, liquid level 20～30mm is goed deep in water outlet baffle 13 lower edges, on water outlet baffle 13, be higher than liquid level 10～15mm place 1～4 ventilating pit is set, aperture 5～10mm, rising pipe 12 pass settling chamber's 9 out cylinder and water outlet baffle 13.
But efficient anaerobe reactor synthetic glass and steel plate make up.Rotary multi-cut gas gushes eliminator and is positioned at flow lifting type reaction chamber inside, and the settling chamber is positioned at the top of flow lifting type reaction chamber; The two-stage triphase separator is made up of I chamber, II chamber, the I chamber be positioned at the settling chamber among, the II chamber is positioned on the settling chamber, I chamber and II chamber form an entity by the biogas-lift pipe coupling, two portions coupled together about reactor was incited somebody to action by flange, were convenient to installation and removal.Seed sludge adds in the flow lifting type reaction chamber.Waste water is plug flow and enters the flow lifting type reaction chamber by the bottom water inlet pipe, in the flow lifting type reaction chamber, react, produce biogas, biogas carries on the mud and gushes, cut into slices unitary cutting and special construction thereof and the shrinking effect that produces and the effect of centibar groove through multistage composite, and biogas is realized separating with muddy water.Be back to the section bottom with the anaerobic activated sludge after biogas separates through precipitation, thereby elimination gas emerges in large numbers and resembles, negative impact due to the short stream of alleviation, and can realize the anaerobic activated sludge compartmentation, keep orderly microbial ecological to distribute, gush at rotary multi-cut gas between two compound slice unit of eliminator, can realize anaerobic activated sludge automated cycle in the section, thus reinforcing mass transfer process and substrate degradation.Collect by the gas skirt of two-stage hourglass shape triphase separator I chamber with the biogas after the mud-water separation, separate in the indoor realization mud of two-stage hourglass shape triphase separator I, water, the triphasic first step of gas; Contraction and expansionary effect by mud gas riser tube, separate in the indoor realization mud of two-stage hourglass shape triphase separator II, water, the triphasic second stage of gas, separating the back mud mixture returns in the reaction chamber through mud gas riser tube, the circulation of realization mud, keep high sludge concentration, and the reinforcement substrate degradation, the negative impact due to the alleviation weak point flows, thereby the steady running of assurance reactor.Be admixture in the waste water partial section, be plug flow on the whole and flow through the flow lifting type reaction chamber, reflux the seam by-pass flow to the settling region, by the barrier effect of baffle through mud, can reduce mud and run off with water outlet, precipitating sludge relies on gravity to reflux to stitch from mud and returns the flow lifting type reaction chamber.Draw by rising pipe in the cylinder that water outlet surrounds from baffle.The residual active sludge that reactor produces is discharged by shore pipe, and is stable to keep sludge quantity.
Claims (8)
1. rotary multi-cut-piece anaerobic biological reactor, it is characterized in that: it has reactor body, in reactor body, be provided with flow lifting type reaction chamber (2), settling chamber (9), two-stage hourglass shape triphase separator, the reactor body housing divides two parts up and down, the reactor body lower housing is made up of flow lifting type reaction chamber (2) cylinder and increaser, join by flange (8) and reactor body upper housing settling chamber (9) cylinder, be provided with water inlet pipe (1) in the reactor body lower end, the reactor body upper end is provided with collecting methane pipe (16), be provided with rotary multi-cut gas in the flow lifting type reaction chamber (2) and gush eliminator, rotary multi-cut gas gushes eliminator to be made up of centibar (3) and a plurality of compound slices unit (4), flow lifting type reaction chamber (2) is provided with settling chamber (9), be provided with two-stage hourglass shape triphase separator in the settling chamber (9), two-stage hourglass shape triphase separator is fixed on the reactor body wall by horizontal supporting plate (14), horizontal supporting plate (14) is provided with water outlet baffle (13), locate to be provided with rising pipe (12) at water outlet baffle (13), be provided with mud backflow seam (7) in two-stage hourglass shape triphase separator lower edge, mud discharging mouth (6) is established a plurality of thief holes (5) at reactor body.
2. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1, it is characterized in that: it is that 5～10 compound slice unit (4) of 50～100mm are formed by being fixed on centibar (3), spacing distance that described rotary multi-cut gas gushes eliminator, be 30 °～50 ° between the neighbouring compound slice unit (4) and stagger, the spacing between the adjacent compound slice unit increases from down to up successively.
3. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1, it is characterized in that: described rotary multi-cut gas gushes eliminator compound slice unit (4) and is combined by 3～6 sections, be evenly distributed on radially in the circumference, long 18～the 25mm of monolithic section, wide 10～20mm, each section is 45 °～70 ° with the angle of horizontal plane.
4. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1, it is characterized in that: described rotary multi-cut gas gushes eliminator centibar (3) by the thin bar construction that has three grooves, groove is along thin excellent cross section uniform distribution, the cross section of each groove is triangular in shape, depth of groove 2～5mm.
5. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1, it is characterized in that: described two-stage hourglass shape triphase separator is provided with triphase separator I chamber (10), triphase separator II chamber (15), on, two Room join by mud gas riser tube (11) down, angle γ between mud gas riser tube (11) and triphase separator I chamber (10) reducing pipe is 30 °～50 °, angle β between triphase separator II chamber (15) increaser and the horizontal supporting plate (14) is 40 °～50 °, and gas skirt lower edge, triphase separator I chamber (10) is 4～6: 1～2 to liquid level apart from a and liquid level to the ratio of the distance b of lower edge, triphase separator II chamber (15).
6. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1 is characterized in that: described flow lifting type reaction chamber (2) is cylindric, and aspect ratio is 7～10: 1, the cross-sectional area S of flow lifting type reaction chamber (2)
1With the maximum cross-section area S of settling chamber (9)
2Ratio be 1: 4～6, with the cross-sectional area S of mud gas riser tube (11)
3Ratio be 5～7: 1.
7. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1, it is characterized in that: the long-pending ratio of described settling chamber (9) volume and overall reactor is 0.5～1.0: 2.4～2.7, the out cylinder increaser becomes 50 °～70 ° with the angle α of datum water level, and mud refluxes and stitches (7) spacing is 10～15mm.
8. a kind of rotary multi-cut-piece anaerobic biological reactor according to claim 1, it is characterized in that: described water outlet baffle (13) is cylindrical, internal diameter 40～70mm, height 40～50mm, liquid level 20～30mm is goed deep in water outlet baffle (13) lower edge, be higher than liquid level 10～15mm place on water outlet baffle (13) 1～4 ventilating pit is set, aperture 5～10mm, rising pipe (12) pass settling chamber's (9) out cylinder and water outlet baffle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201061830U CN201049910Y (en) | 2007-02-02 | 2007-02-02 | Rotary multi-section anaerobic bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201061830U CN201049910Y (en) | 2007-02-02 | 2007-02-02 | Rotary multi-section anaerobic bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201049910Y true CN201049910Y (en) | 2008-04-23 |
Family
ID=39336392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201061830U Expired - Lifetime CN201049910Y (en) | 2007-02-02 | 2007-02-02 | Rotary multi-section anaerobic bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201049910Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436342C (en) * | 2007-02-02 | 2008-11-26 | 浙江大学 | Rotary multi-cut-piece anaerobic biological reactor |
| CN102616929A (en) * | 2012-03-21 | 2012-08-01 | 天津科技大学 | High-concentration waste water anaerobic fermentation device capable of realizing gas by-pass split-flow |
-
2007
- 2007-02-02 CN CNU2007201061830U patent/CN201049910Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436342C (en) * | 2007-02-02 | 2008-11-26 | 浙江大学 | Rotary multi-cut-piece anaerobic biological reactor |
| CN102616929A (en) * | 2012-03-21 | 2012-08-01 | 天津科技大学 | High-concentration waste water anaerobic fermentation device capable of realizing gas by-pass split-flow |
| CN102616929B (en) * | 2012-03-21 | 2013-09-11 | 天津科技大学 | High-concentration waste water anaerobic fermentation device capable of realizing gas by-pass split-flow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100473616C (en) | Overlay sewage biochemical reactor | |
| CN201395547Y (en) | Sewage treatment device | |
| CN100448787C (en) | Gas-lifting type self-circulating anaerobic bioreactor | |
| CN102897968A (en) | Counter flow type vertical flow artificial wetland system | |
| CN201193209Y (en) | Internal circulating anaerobic reactor | |
| CN204454736U (en) | A kind of high efficiency anaerobic reactor | |
| CN201024124Y (en) | Highly effective anaerobic bioreactor | |
| CN100475716C (en) | Anaerobic bioreacto | |
| CN100436342C (en) | Rotary multi-cut-piece anaerobic biological reactor | |
| CN201433134Y (en) | Improved UASB reactor | |
| CN201049910Y (en) | Rotary multi-section anaerobic bioreactor | |
| CN202046977U (en) | Anaerobic-aerobic integrated reactor | |
| CN114772719B (en) | Efficient anaerobic reactor with multistage fan blades staggered and partitioned and treatment method thereof | |
| CN203582581U (en) | Opposite folded plate reactor | |
| CN102897909A (en) | Self-circulation anaerobic reactor | |
| CN101597121B (en) | Distributed domestic sewage treatment reactor and treatment method thereof | |
| CN204848578U (en) | A hobbing cutter formula agitating unit for unifying sewage treatment device | |
| CN202337712U (en) | Efficient anaerobic bioreactor | |
| CN203820532U (en) | Baffle type sewage treatment bioreactor | |
| CN208980414U (en) | Interior circulation is folded to upflow type anaerobic biological treatment device | |
| CN102001799A (en) | Efficient anaerobic-aerobic combined treatment device for high-concentration organic wastewater | |
| CN202063802U (en) | Device for processing ethylene glycol sewage | |
| CN201850177U (en) | Vortex flow, laminar flow and pulse flow type anaerobic bioreactor | |
| CN101648747A (en) | Anaerobic biochemical reactor | |
| CN201049909Y (en) | Air-lift type self-circulating anaerobic bioreactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |