CN104140171A - Clarified ultrafiltration water processing device - Google Patents
Clarified ultrafiltration water processing device Download PDFInfo
- Publication number
- CN104140171A CN104140171A CN201410381058.5A CN201410381058A CN104140171A CN 104140171 A CN104140171 A CN 104140171A CN 201410381058 A CN201410381058 A CN 201410381058A CN 104140171 A CN104140171 A CN 104140171A
- Authority
- CN
- China
- Prior art keywords
- chamber
- communicated
- flocculation
- mesh
- volume
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 17
- 238000005189 flocculation Methods 0.000 claims abstract description 35
- 230000016615 flocculation Effects 0.000 claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 230000003311 flocculating effect Effects 0.000 claims description 34
- 238000005352 clarification Methods 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 12
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000035484 reaction time Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 5
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 230000008093 supporting effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 241000195493 Cryptophyta Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000011163 secondary particle Substances 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 241001061264 Astragalus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000036982 action potential Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to a clarified ultrafiltration water processing device. A water inlet tube is communicated with a pre-sedimentation chamber with a mud discharging tube, and the pre-sedimentation chamber is arranged below a volume flocculation chamber in a communicated mode. An activated sludge chamber is coaxially arranged outside the volume flocculation chamber, and the volume flocculation chamber is formed by the mode that two or more stages of flocculation chamber cylinders are coaxially connected in a sleeved mode and are communicated in sequence. The bottom of the innermost stage of flocculation chamber cylinder is communicated with the pre-sedimentation chamber, and the end, where two flocculation chamber cylinders are not communicated, of the outermost stage of flocculation chamber cylinder is communicated with the activated sludge chamber. The upper position, where two flocculation chamber cylinders are communicated, of the volume flocculation chamber is provided with a sludge discharging groove with a sludge discharging tube. The end, not communicated with the volume flocculation chamber, of the activated sludge chamber is externally connected with one or more concentrating chambers through one or more flow guiding tubes. A mud discharging chamber with a mud discharging tube is arranged at the bottom inside each concentrating chamber. An ultrafiltration film filter is arranged on the upper portion in each concentrating chamber, and the upper portion of each concentrating chamber is connected with a water outlet tube. The clarified ultrafiltration water processing device can effectively increase reaction volumes, prolong the reaction time, precisely control sludge backflow, and improve the effects of flocculation, sedimentation and filtering and the water processing amount.
Description
Technical field
The present invention relates to water treatment device, is a kind of clarification hyperfiltration water treatment apparatus specifically.
Background technology
Along with current social rapid development of economy, living standards of the people improve constantly, and town and country water consumption increases gradually.But, because causing water pollution situation, a large amount of discharges of industrial and agricultural wastewater are on the rise, and for above-mentioned situation, the various water quality standard that various countries formulate are also increasingly strict.
Utilize contact flocculation principle to remove the settling pond of suspended substance in water, just start in the world application as far back as the thirties in 20th century, become so far one of main clarification precipitation means in water factory's design.China starts to adopt settling pond from early 1960s.Because utilizing the sludge backflow of self, settling pond recycles, and hybrid reaction flocculation and precipitation all complete in a pond, formation floor space is little, reduced investment, thereby in Small Urban water factory of China, use extensively, but the current following problem of pond type ubiquity: reaction chamber volume is little, reaction times is short, sludge backflow amount is difficult to control, the body refuse that makes to reflux contact, throwing out performance are affected, and deposition efficiency is low in addition, thereby poor processing effect, the processing water yield is limited, can not adapt to the increase of cities and towns water requirement and the needs that water quality standard improves.
Summary of the invention
For above-mentioned deficiency of the prior art, the invention provides one simple in structure, effectively augmenting response volume, prolongation reaction times, accurately control sludge backflow, improve the clarification hyperfiltration water treatment apparatus of flocculation, precipitation, filter effect and water treatment amount.
The technical solution used in the present invention is: a kind of clarification hyperfiltration water treatment apparatus, comprise preliminary sedimentation chamber, volume flocculation chamber and active sludge chamber, water inlet pipe is communicated with the preliminary sedimentation chamber with shore pipe, the connection of preliminary sedimentation chamber is arranged at below, volume flocculation chamber, it is outdoor that active sludge chamber is coaxially arranged at volume flocculation, it is characterized in that: described volume flocculation chamber is also communicated with and forms successively by the coaxial socket of the above flocculating chamber of two-stage cylinder, bottom, the flocculating chamber of interior one-level is communicated with preliminary sedimentation chamber, the non-flocculating chamber between two of outermost one-level flocculating chamber is communicated with end and is communicated with active sludge chamber, in upper position flocculating chamber, volume flocculation chamber, connectivity part is provided with the ash pit with scum pipe between two, the non-connection volume flocculation chamber end of active sludge chamber is through the external more than one concentration compartments of more than one thrust-augmenting nozzle, concentration compartments's inner bottom part is provided with the spoil disposal chamber with shore pipe, concentration compartments's internal upper part is provided with ultrafiltration membrane filter, ultrafiltration membrane filter top picks out water pipe.
Further, described ultrafiltration membrane filter bottom is provided with the gas flushing device of external inlet pipe.
Further, described more than one concentration compartments is distributed in that active sludge is outdoor to be enclosed.
Further, in described flocculating chamber, be provided with mesh disturbing flow device, mesh by-pass means is divided into three sections of mesh layers, every section of mesh layer is 2～6 layers, in mesh, flow velocity control is 0.05-0.40m/s, and the size of mesh is 25-55mm, and thickness is 10-45mm, upflow velocity control in flocculating chamber is 0.02-0.15m/s, and the ratio control of the flow velocity in the flow velocity in mesh and flocculating chamber is 1:2-1:8.。
Further, the external backflow pool of described shore pipe, backflow pool is communicated with water inlet pipe through slush pump, backflow shore pipe.
Further, described shore pipe is siphon shore pipe.
Again further, described thrust-augmenting nozzle is connected in middle part, concentration compartments.
Former water, after dosing coagulant, mixes through mixing device, and enters preliminary sedimentation chamber through water inlet pipe from device bottom, and the flow rate of water flow ramp control in water inlet pipe reduces; Indoor at preliminary sedimentation, oarse-grained silt generation sedimentation in current; Current enter successively the multistage flocculating chamber of volume flocculation chamber after the buffering of preliminary sedimentation chamber, ascending current is after mesh disturbing flow device in flocculating chamber, because the inertial effect of action potential conversion produces microvovtex whirlpool, probability of collision between particle is increased, and initiating particle forms flocculation particle through thixotroping repeatedly and is referred to as secondary particle; And the microbubble that gas dissolved water and primary pump cavitation effect produce produces air supporting effect to the partial organic substances in water and part algae because of decompression, alumen ustum, organism and the part algae etc. that make to be lighter than water proportion are removed by air supporting effect; The scum silica frost that air supporting produces is collected rear discharge in good time by top, flocculating chamber connectivity part perimeter rows slag chute under radial contraction flow promotes.Enter equably with the water body flow of secondary particle in the high volumetric concentration active sludge suspension zone of active sludge chamber; After entering high volumetric concentration active sludge suspension zone with the water body of secondary particle, further come in contact flocculation, grow into the flco of certain particle size; Enter concentration compartments by water conservancy diversion again, there is sedimentation concentration in a part, suspension flco in current is under body refuse friction and extruding turning effort therebetween, form the active caking flocculation spheroid of densification, and constantly partial organic substances and the trace toxic heavy metal element in planar water is deposited in spoil disposal chamber, bottom; Part current are rising, and current are through ultrafiltration membrance filter, and because the proportion of flco increases, muddy water is well separated, and the clear water in former water flows out through rising pipe after the header above the body of pond is collected.
In device working process, body refuse divides three parts to get rid of: bottom, volume flocculation chamber silt particle preliminary sedimentation, got rid of by shore pipe in good time; The scum silica frost that air supporting produces enters after ash pit, is got rid of by scum pipe in good time; The unnecessary body refuse in top of body refuse suspension zone, concentrating and precipitating in thrust-augmenting nozzle forces to enter concentration compartments under the effect of water outlet; Mud in concentration compartments is collected to bottom spoil disposal small room under action of gravity, body refuse is stretched in backflow pool and is sent in right amount in water inlet pipe and with former water and mix via slush pump by backflow shore pipe by siphon shore pipe, and residue body refuse in spoil disposal chamber is discharged outside pond through siphon shore pipe in good time, the eliminating of these four kinds of body refuses all can by corresponding automatic control program control, timely and appropriate discovery be got rid of automatically, to save the chemical feeding quantity of technique, the coagulation effect of lifting process.
In this device, the replaceable of ultra-filtration membrane is U-shaped High-rate sedimentation inclined tube or swash plate.
Compared with conventional circulatior clarifier, this high efficiency clarification tank has the following advantages:
(1) compared with original circulatior clarifier, adopt heavy caliber water inlet pipe directly to intake from device bottom, the flow rate of water flow in water inlet gradient tube fades to 0.1～0.3m/s by 0.7～1.3m/s, has saved the head loss of spray jet 5m left and right;
(2) microbubble that gas dissolved water and primary pump cavitation effect produce is because decompression is to the partial organic substances in water and part algae generation air supporting effect, and alumen ustum, organism and the part algae etc. that make to be lighter than water proportion are removed by air supporting;
(3) this install each chamber axially from inside to outside socket arrange, current, along horizontal section to periphery uniformly distributing, there will not be short flow phenomenon in pond, taking into account can sufficient reacting, volume, time and water treatment amount;
(4) body refuse flocculation contact in flocculating chamber, the flocculation particle of contact medium forms best geometrical dimension and density because process mesh disturbing flow device multilayer mesh fleece is solidifying, there is enough settling velocity and the surface-area of stretching, extension, prevent the finely divided and peptization of suspended substance, the slime layer forming has adsorptivity and adhesive activity, can effectively remove partial organic substances and trace toxic heavy metal;
(5) be provided with body refuse concentration compartments, the body refuse of generation is concentrated to greatest extent, has reduced mud subsequent treatment process; Superfluous suspended substance is got rid of equably along the cross section of settling pond effectively, and can carry out automatic or manual adjusting to it;
(6) the mud part producing is back to water inlet pipe, owing to adopting sludge reflux to make to increase and extend with the duration of contact of water into the sludge concentration of water, thereby has reduced amount of consumption of drugs, has improved the coagulation clarification effect of technique.
The dynamic inertia effect of this application of installation fluid; in flocculation process, form the switching process composition efficient flocculating section of gesture, kinetic energy; in materializing procedure due to solid particulate activation adsorption adhesion and shallow pool principle; in system, form efficient adsorption district and solid-liquid displacement zone; and increase membrane filtration system in clear water zone, cancel filter device, effectively augmenting response volume, prolongation reaction times; accurately control sludge backflow, improve flocculation, precipitation, filter effect and water treatment amount.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is Fig. 1 vertical view.
In figure: water inlet pipe 1, preliminary sedimentation chamber 2, one-level flocculating chamber 3, secondary flocculating chamber 4, mesh disturbing flow device 5, ash pit 6, scum pipe 7, active sludge chamber 8, thrust-augmenting nozzle 9, concentration compartments 10, spoil disposal chamber, bottom 11, siphon shore pipe 12, gas flushing device 13, inlet pipe 14, ultrafiltration membrane filter 15, rising pipe 16, backflow pool 17, backflow shore pipe 18.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Shown in Fig. 1,2, a kind of clarification hyperfiltration water treatment apparatus comprises water inlet pipe 1, preliminary sedimentation chamber 2, one-level flocculating chamber 3, secondary flocculating chamber 4, mesh disturbing flow device 5, ash pit 6, scum pipe 7, active sludge chamber 8, thrust-augmenting nozzle 9, concentration compartments 10, spoil disposal chamber, bottom 11, siphon shore pipe 12, gas flushing device 13, inlet pipe 14, ultrafiltration membrane filter 15, rising pipe 16, backflow pool 17 and backflow shore pipe 18.The outer secondary flocculating chamber 4 that is coaxially provided with of one-level flocculating chamber 3, the bottom of one-level flocculating chamber 3 is communicated with the preliminary sedimentation chamber 2 being provided with shore pipe, the external water inlet pipe 1 in preliminary sedimentation chamber 2, 3 upper ends, one-level flocculating chamber are communicated with 4 Qie junctions, upper end, secondary flocculating chamber and are provided with the ash pit 6 with an astragal scum pipe 7, one, in secondary flocculating chamber, be provided with mesh disturbing flow device, mesh by-pass means is divided into three sections of mesh layers, every section of mesh layer is 2～6 layers, in mesh, flow velocity control is 0.05-0.40m/s, the size of mesh is 25-55mm, thickness is 10-45mm, upflow velocity control in flocculating chamber is 0.02-0.15m/s, the ratio control of the flow velocity in the flow velocity in mesh and flocculating chamber is 1:2-1:8.4 lower ends, secondary flocculating chamber are communicated with the active sludge chamber 8 with outer shaft sleeve, in active sludge chamber 8, establish active sludge suspended layer, 4 of the upper ends thrust-augmenting nozzle 9 of active sludge chamber 8 is communicated with in the concentration compartments 10 of coaxial peripheral hardware, 10Nei bottom, concentration compartments is provided with the spoil disposal chamber, bottom 11 with siphon shore pipe 12, concentration compartments's 10 internal upper parts are provided with 4 ultrafiltration membrane filters 15 around the active sludge chamber 8 equal portions of periphery, ultrafiltration membrane filter 15 tops are through header, water leg picks out water pipe 16, ultrafiltration membrane filter 15 bottoms are provided with the gas flushing device 13 of external inlet pipe 14, the external backflow pool 17 of siphon shore pipe 12, backflow pool is through slush pump, backflow shore pipe 18 is communicated with water inlet pipe 1.
Claims (7)
1. a clarification hyperfiltration water treatment apparatus, comprise preliminary sedimentation chamber, volume flocculation chamber and active sludge chamber, water inlet pipe is communicated with the preliminary sedimentation chamber with shore pipe, the connection of preliminary sedimentation chamber is arranged at below, volume flocculation chamber, it is outdoor that active sludge chamber is coaxially arranged at volume flocculation, it is characterized in that: described volume flocculation chamber is also communicated with and forms successively by the coaxial socket of the above flocculating chamber of two-stage cylinder, bottom, the flocculating chamber of interior one-level is communicated with preliminary sedimentation chamber, the non-flocculating chamber between two of outermost one-level flocculating chamber is communicated with end and is communicated with active sludge chamber, in upper position flocculating chamber, volume flocculation chamber, connectivity part is provided with the ash pit with scum pipe between two, the non-connection volume flocculation chamber end of active sludge chamber is through the external more than one concentration compartments of more than one thrust-augmenting nozzle, concentration compartments's inner bottom part is provided with the spoil disposal chamber with shore pipe, concentration compartments's internal upper part is provided with ultrafiltration membrane filter, ultrafiltration membrane filter top picks out water pipe.
2. a kind of clarification hyperfiltration water treatment apparatus according to claim 1, is characterized in that: described ultrafiltration membrane filter bottom is provided with the gas flushing device of external inlet pipe.
3. a kind of clarification hyperfiltration water treatment apparatus according to claim 1, is characterized in that: described more than one concentration compartments is distributed in that active sludge is outdoor to be enclosed.
4. a kind of clarification hyperfiltration water treatment apparatus according to claim 1, it is characterized in that: in described flocculating chamber, be provided with mesh disturbing flow device, mesh by-pass means is divided into three sections of mesh layers, every section of mesh layer is 2～6 layers, in mesh, flow velocity control is 0.05-0.40m/s, and the size of mesh is 25-55mm, and thickness is 10-45mm, upflow velocity control in flocculating chamber is 0.02-0.15m/s, and the ratio control of the flow velocity in the flow velocity in mesh and flocculating chamber is 1:2-1:8.
5. a kind of clarification hyperfiltration water treatment apparatus according to claim 1, is characterized in that: the external backflow pool of described shore pipe, backflow pool is communicated with water inlet pipe through slush pump, backflow shore pipe.
6. one is clarified hyperfiltration water treatment apparatus according to claim 1 or 5, it is characterized in that: described shore pipe is siphon shore pipe.
7. a kind of clarification hyperfiltration water treatment apparatus according to claim 1, is characterized in that: described thrust-augmenting nozzle is connected in middle part, concentration compartments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381058.5A CN104140171A (en) | 2014-08-05 | 2014-08-05 | Clarified ultrafiltration water processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381058.5A CN104140171A (en) | 2014-08-05 | 2014-08-05 | Clarified ultrafiltration water processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104140171A true CN104140171A (en) | 2014-11-12 |
Family
ID=51849526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410381058.5A Pending CN104140171A (en) | 2014-08-05 | 2014-08-05 | Clarified ultrafiltration water processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104140171A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630233Y (en) * | 2003-08-05 | 2004-08-04 | 哈尔滨工业大学环保科技股份有限公司 | Apparatus for producing running water by treating surface water with ultrafiltration circulating sand filtering combination |
| CN101073715A (en) * | 2007-03-29 | 2007-11-21 | 复旦大学 | Apparatus and process for clarifying water efficiently |
| US20080237150A1 (en) * | 2004-03-17 | 2008-10-02 | Alain Chekroun | Sewage Sludge Treatment Method and System |
| CN102976448A (en) * | 2012-10-31 | 2013-03-20 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Immersed ultrafiltration membrane water production testing reactor capable of sidewall concentrated sludge removal |
| CN204111465U (en) * | 2014-08-05 | 2015-01-21 | 江苏睿济鼎诚科技工程有限公司 | A kind of clarification hyperfiltration water treatment apparatus |
-
2014
- 2014-08-05 CN CN201410381058.5A patent/CN104140171A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630233Y (en) * | 2003-08-05 | 2004-08-04 | 哈尔滨工业大学环保科技股份有限公司 | Apparatus for producing running water by treating surface water with ultrafiltration circulating sand filtering combination |
| US20080237150A1 (en) * | 2004-03-17 | 2008-10-02 | Alain Chekroun | Sewage Sludge Treatment Method and System |
| CN101073715A (en) * | 2007-03-29 | 2007-11-21 | 复旦大学 | Apparatus and process for clarifying water efficiently |
| CN102976448A (en) * | 2012-10-31 | 2013-03-20 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Immersed ultrafiltration membrane water production testing reactor capable of sidewall concentrated sludge removal |
| CN204111465U (en) * | 2014-08-05 | 2015-01-21 | 江苏睿济鼎诚科技工程有限公司 | A kind of clarification hyperfiltration water treatment apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 成官文等: "《水污染控制工程实验教学指导书》", 31 January 2013, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105502549B (en) | One kind copolymerization floating depositing pool and process for purifying water | |
| CN102745788B (en) | Automatic integrated coagulation clarification and filtering device | |
| CN101073715A (en) | Apparatus and process for clarifying water efficiently | |
| CN100366549C (en) | A high-efficiency energy-saving water purification process and device | |
| CN203866080U (en) | Circular efficient precipitating device | |
| CN202729869U (en) | Automatic integrated coagulation, clarification and filtration device | |
| CN106430547B (en) | Adjustable two-stage sedimentation tank aerobic granular sludge plant | |
| CN203959896U (en) | Vertical-flow deposition filter | |
| CN201033264Y (en) | A high-efficiency clarified water treatment device | |
| CN103112971B (en) | Coagulation-floatation and co-coagulation solid-liquid separation device and solid-liquid separation method | |
| CN201296713Y (en) | Inner circulating biological aerated filter and retention pond combined treatment system | |
| CN104556474A (en) | Water purification process and device of water supply plant | |
| CN111499144B (en) | River sludge pollution control conditioning device and method | |
| CN204111465U (en) | A kind of clarification hyperfiltration water treatment apparatus | |
| CN205328657U (en) | Copolymerization pond of drifting along | |
| CN201648142U (en) | Multi-functional modularized water purifying device | |
| CN203291633U (en) | Solid-liquid separating device for waste water suspended solids | |
| CN207041986U (en) | A kind of environment protection sewage processing settler | |
| CN106116015B (en) | A cyclone mixed wastewater treatment aerobic reactor | |
| CN201648104U (en) | A sleeve filter device for sewage reuse | |
| CN103880178B (en) | Multistage gas stripping and separating integrated anaerobic treatment device | |
| CN203295249U (en) | Water purification and treatment device | |
| CN104140171A (en) | Clarified ultrafiltration water processing device | |
| CN204824436U (en) | High -efficient advanced wastewater treatment complete set is made up and is put | |
| CN214457495U (en) | Self-maintenance sewage treatment integrated equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141112 |