CN105461040A - Treatment pool for solid-liquid medium separation - Google Patents
Treatment pool for solid-liquid medium separation Download PDFInfo
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- CN105461040A CN105461040A CN201610003217.7A CN201610003217A CN105461040A CN 105461040 A CN105461040 A CN 105461040A CN 201610003217 A CN201610003217 A CN 201610003217A CN 105461040 A CN105461040 A CN 105461040A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a treatment pool for solid-liquid medium separation. A sedimentation treatment unit and an air floatation treatment unit are combined, and synchronous and efficient treatment of secondary mud-water separation and mud discharging and slag discharging is achieved through reasonable treatment technology combined arrangement, coordination of mechanical equipment and compact flow arrangement. While coordinated mud discharging of an air lifting mud discharging device and a sewage discharging pump is achieved in the sedimentation treatment unit, a sewage backflow pool and a sewage backflow pump are arranged compactly, and accordingly treatment efficiency is improved. Water can be treated through switching on and off of valves in a single or combined mode on account of changes of different turbidities in raw water. When turbidity in the raw water is high, the sedimentation and air floatation combined process is used; when turbidity in the raw water is medium or low, the sewage backflow mode is used on the sedimentation portion to improve treatment efficiency, and whether the air floatation pool is bypassed or not is determined according to water quality of sedimentation outlet water; when water quality of the raw water is low, or the water contains lots of particles or algae difficult to sediment, the sedimentation treatment unit can be bypassed to perform air floatation treatment directly.
Description
Technical field
The present invention relates to solid-liquid medium be separated technical field, specifically a kind of be applied in water treatment and industrial solid-liquid separating treatment reach solid-liquid medium be separated treating pond type, also can be applicable to low-temperature and low turbidity and algae-containing water.
Background technology
At present, for high sandy plain water or containing in the process of mud complex industrial solid-liquid separation, specialty also exists understanding prejudice, think that air-float method is not suitable for high sandy plain water, process by means of only single coprecipitation mode.The conventional object adopting the traditional ways such as horizontal sedimentation tank, accelerator, tube settler, centrifugation to reach the separation of solid-liquid medium.Wherein, although the conventional water quality of horizontal sedimentation tank process can reach treat drainage requirement, and convenient management, anti impulsion load, floor space is comparatively large, and spoil disposal solid content is low; Although accelerator floor space is less, the more difficult control of mixed flocculation part body refuse concentration, effluent quality is easily influenced; Though tube settler deposition efficiency is high, because the reason of mud scraped by machinery, pond type large scale development is restricted, and uneven due to water distribution, make effluent quality totally improve difficulty larger; Then there is the shortcomings such as small scale, separating effect be poor in centrifugation.Therefore, need a kind of new pond type simultaneously solving easily heavy particle and floating matter, reduce subsequent disposal load, ensure effluent quality.
Summary of the invention
The object of this invention is to provide a kind of combination to precipitate and pneumatically supported solid-liquid medium separating treatment pond, it can give full play to the advantage of combination process in solid-liquid separation, further raising, to the solid-liquid medium separation efficiency of STOL water, complex industrial water, extraordinary water, high algae-containing water, solves the problem of the aspects such as existing process structures separation efficiency is low, water outlet is uneven, spoil disposal is difficult, effluent quality is unstable, subsequent disposal load is heavier.
In order to achieve the above object, technical scheme of the present invention is to provide a kind of solid-liquid medium separating treatment pond, wherein comprises: precipitation process unit, air-flotation process unit, be communicated with channel between the two;
The mix and blend district of described precipitation process unit, by the interior mixing and blending machine established, mixes the water entered via water inlet pipe in this mix and blend district; The lifting flocculation zone of connection is provided with in both sides, described mix and blend district; The lifting stirrer of setting separately and supporting cylindrical shell are passed through in described lifting flocculation zone, and by the effluent weir via mix and blend district, the water extraction be dispensed in corresponding lifting flocculation zone rises to the main tank body of precipitation process unit;
It is concentrated soil discharging area bottom described main tank body, top is provided with plastic pipe chute district and stainless steel rectangular effluent trough, water in main tank body after precipitation is delivered to stainless steel rectangular effluent trough via plastic pipe chute district and collects, send into the zone of action of described air-flotation process unit again via the channel be communicated with, after fully contacting with the dissolved air water discharged by reliever, enter disengaging zone; The top of described disengaging zone is provided with slag scraper, the body refuse of disengaging zone inner top is scraped the other ash pit discharge arranged to disengaging zone; The bottom of described disengaging zone is provided with some headers, by the outside draining of the total channel of water outlet be connected with header.
Preferably, the concentrated soil discharging area bottom described main tank body is provided with reciprocating mud scraper, is shifted onto by the mud be deposited at the bottom of pond in the other sludge hopper arranged of main tank body; Outwards discharge by arranging mud discharging pump sucking sludge from sludge hopper.
Preferably, the top of described sludge hopper is provided with mud air-lift device further, and the mud in sludge hopper is delivered to air lift mud drainage slot, and then directly to outer discharge or enter in sludge reflux pond;
Returned sluge in sludge reflux pond, by arranging sludge reflux pump, is delivered to the sludge reflux point at water inlet pipe place by described sludge reflux pond, makes returned sluge again enter mix and blend district by water inlet pipe and realizes sludge reflux circular treatment.
Preferably, described water inlet pipe is provided with coagulant dosage point;
On the effluent weir place in described mix and blend district, the water inlet pipe of described sludge reflux pump, be respectively equipped with coagulant aids toss area.
Preferably, described air-flotation process unit is provided with pressurization reflux pump and is connected with the total channel of water outlet, aspirates a part of water and is back in dissolving, and pressurize to dissolving by arranging air compressor system from the total canal of water outlet, make dissolved air water be communicated with the pipeline of reliever by dissolving, flow to reliever.
Preferably, described channel comprises the first pipeline section be connected with precipitation process unit, the second pipeline section be connected with air-flotation process unit; Described channel is provided with gate valve; Gate valve makes the first pipeline section be communicated with the second pipeline section when being in opened condition, by the water outlet of precipitation process unit input air-flotation process unit, carry out precipitation and pneumatically supported combined treatment.
Preferably, the first pipeline section of described channel, further with the super jump-over connection of water outlet; Water outlet with surmount pipe configuration surmount tube valve be in opened condition time, surmount air-flotation process unit, after precipitation process directly by water outlet with surmounting the outside draining of pipe.
Preferably, the second pipeline section of described channel, further with the super jump-over connection of water inlet; Intake with surmount pipe configuration surmount tube valve be in opened condition time, surmounting precipitation process unit, directly carrying out air-flotation process with surmounting pipe to the water delivery of air-flotation process unit by water inlet.
Described solid-liquid medium separating treatment pond is by water inlet pipe, and conveying turbidity is greater than the former water of 100NTU to precipitation process unit, carries out precipitation and pneumatically supported combined treatment to it;
Or, water inlet pipe is passed through in described solid-liquid medium separating treatment pond, the former water of conveying turbidity between 10NTU ~ 100NTU is to precipitation process unit, it is precipitated and sludge reflux circular treatment, and by wherein turbidity lower than the precipitation process unit of 3NTU water outlet directly by water outlet with surmounting tube drainage, and water outlet input air-flotation process unit turbidity being not less than the precipitation process unit of 3NTU carries out air-flotation process;
Or described water inlet pipe passes through water inlet and directly carries the former water being less than 10NTU or contain difficult-to-settle particle or algae to carry out air-flotation process to air-flotation process unit with surmounting pipe.
In sum, a kind of solid-liquid medium separating treatment pond provided by the invention, can be applied to the solid-liquid medium separating treatment of the multiple former water such as STOL, low-temperature and low turbidity, Gao Zao, trade effluent.It mainly comprises precipitation process unit, air-flotation process unit and two-part connected channel.Wherein precipitation process unit central authorities arrange the mix and blend district containing mixing and blending machine, and both sides, mix and blend district are provided with the lifting flocculation zone of connection, and promote in flocculation zone and be provided with lifting stirrer, water inlet pipe is communicated with mix and blend district; Be concentrated soil discharging area bottom treating pond, middle part is plastic pipe chute district, and top is stainless steel rectangular effluent trough.Concentrated soil discharging area is provided with reciprocating mud scraper and gas lifting gear.The side of pond body is provided with mud discharging pump, sludge reflux pond and backflow dredge pump.Water inlet manifold is provided with coagulant dosage point, effluent weir place of mix and blend district establishes coagulant aids toss area.Air-flotation process unit is made up of zone of action, disengaging zone and attached gallery.Reliever is provided with bottom zone of action.Establish some amount header and water outlet channel bottom disengaging zone, slag scraper is established at top, and avris is provided with ash pit.Backflow pressure pump, dissolving and supporting air-compressor set is established in attached gallery.
The present invention is combined by rational separating technology, the collaborative work of mechanical means realizes two-stage medium with compact flow arrangement and is separated and the process of spoil disposal deslagging synchronous high-efficiency.Mix and blend district in precipitation process guarantees the abundant mixing of coagulating agent and polymer coagulant aids and returned sluge and water, and lifting stirrer and supporting stainless steel cylinder achieve the abundant mixing of circulating sludge.Spoil disposal worked in coordination with by air lift mud discharging device and mud discharging pump.Wherein, air lift mud discharging device spoil disposal can be selected to be back to sludge reflux pond, thus realizes inner circulation of sludge.Water outlet after precipitating action enters air-flotation process unit through connected channel and processes further.Enter the water of zone of action by distributing flue and fully react through the recirculation water of reliever, air, making in water, to form water-gas-mud three-phase mixing, after the mud being difficult to sink sticks bubble, form floating flocs float.The body refuse at top scrapes slag at a slow speed by slag scraper in ash pit, realizes mud-water separation, and effluent collection is completed process by some headers by bottom to the total canal of water outlet.The present invention, respectively by precipitation and air supporting effect, for ultra, complex industrial waste water and special waste, can have adaptability widely to the former glassware for drinking water of different sedimentation character.This pond type controls conversion process operating mode by the keying of valve, for the change of turbidity different in former water, adopts single or array mode to process water.When raw water turbidity is higher, adopt precipitation and pneumatically supported combination process; When raw water turbidity medium or lower time, adopt sludge reflux mode to improve processing efficiency at sediment fraction, determine whether surmount air flotation pool according to precipitation effluent quality; When raw water quality is lower or contain more difficult-to-settle particle or algae in water, precipitation process unit can be surmounted, directly carry out air-flotation process.
Accompanying drawing explanation
Fig. 1 is the upper strata floor map of one embodiment of the invention;
Fig. 2 is lower floor's floor map of one embodiment of the invention;
Fig. 3 is the sectional view along the A-A line in Fig. 1;
Fig. 4 is the sectional view along the B-B line in Fig. 1;
Fig. 5 is the sectional view along the C-C line in Fig. 1;
Fig. 6 is the sectional view along the D-D line in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Fig. 1 ~ Fig. 6, the invention provides a kind of solid-liquid medium separating treatment pond, comprise: precipitation process unit 1, air-flotation process unit 23, be communicated with channel 22 between the two.
Wherein, described precipitation process unit 1 is provided with mix and blend district 3, is provided with mixing and blending machine 5 in mix and blend district 3; Both sides, mix and blend district 3 are provided with the lifting flocculation zone 4 of connection, promote in flocculation zone 4 to be provided with to promote stirrer 6 and supporting stainless steel cylinder 7 thereof.Water inlet pipe 10 is directly communicated with mix and blend district 3 from pond external body, and water inlet pipe 10 is provided with coagulant dosage point 38 and sludge reflux point 40.The effluent weir place in mix and blend district 3 is provided with coagulant aids toss area 39.
During use, the former water with returned sluge is added containing coagulant dosage, coagulant aids, enter bottom mix and blend district 3 by water inlet pipe 10, after the abundant mixing of mixing and blending machine 5, be dispensed to the lifting flocculation zone 4 of both sides by effluent weir, through promote stirrer 6 and cylindrical shell 7 promote laggard enter main tank body 2.
Be concentrated soil discharging area bottom main tank body 2, concentrated soil discharging area is provided with reciprocating mud scraper 12, is shifted onto by the mud be deposited at the bottom of pond in the sludge hopper 15 of main tank body 2 side.Mud discharging pump 13 inhales mud and continuous blow-down by suction pipe 14 from sludge hopper 15.Spoil disposal is worked in coordination with mud discharging pump 13, also comprise the mud air-lift device 16 being arranged on sludge hopper 15 top, mud in sludge hopper 15 is delivered to air lift mud drainage slot 17 by mud air-lift device 16, and then by shore pipe 18 directly spoil disposal, or by dredging tube 19, mud is entered in the other sludge reflux pond 20 arranged of main tank body 2.
Side, sludge reflux pond 20 arranges sludge reflux pump 21, the mud in sludge reflux pond 20 is delivered to sludge reflux point 40 through mud return line, to enter water inlet pipe 10, realizes sludge circulation.The water inlet pipe of sludge reflux pump 21 is established coagulant aids toss area 39.
Be provided with plastic pipe chute district 8 above the concentrated soil discharging area of main tank body 2, the precipitation water outlet in main tank body 2 can be collected by the stainless steel rectangular effluent trough 9 be delivered to above plastic pipe chute district 8, then send into air-flotation process unit 23 via channel 22.
Precipitation after collect water, first enter the zone of action 25 of air-flotation process unit 23, arrange bottom zone of action 25 reliever 28 discharge dissolved air water with it fully contact after, enter disengaging zone 26.The body top, pond of disengaging zone 26 is provided with slag scraper 29, is scraped by the body refuse at top to ash pit 27 and discharges.Establish some headers 30 bottom the body of pond, header 30 is connected with the total channel 31 of water outlet.Pressurization reflux pump 32 is set and connects the total channel 31 of water outlet, aspirating a part of water from the total channel of water outlet 31 is back in dissolving 33, and pressurizeed to dissolving 33 by air compressor system 34, then via the pipeline both being communicated with, dissolved air water is flowed to reliever 28 from dissolving 33.
Whether channel 22 is provided with gate valve 35, is used for controlling the first pipeline section of being connected with precipitation process unit 1, and be communicated with between the second pipeline section be connected with air-flotation process unit 23.The first pipeline section be connected with precipitation process unit 1, further with water outlet with surmount pipe 36 and the tube valve 37 that surmounts that configures is connected, the water being used for controlling whether being precipitated by precipitation process unit 1 rear collection is directly outwards discharged by the pipe 36 that surmounts of water outlet.The second pipeline section be connected with air-flotation process unit 23, then further with water inlet with surmount pipe 36 and the tube valve 37 that surmounts that configure is connected, be used for controlling whether water inlet to be directly delivered to air-flotation process unit 23 by the pipe 36 that surmounts of intaking.
By the keying of respective valves in the present invention, process operating mode can be changed flexibly according to actual service condition:
When raw water turbidity is greater than 100NTU, by precipitation process unit 1 and air supporting processing unit 23 combined treatment.Now, the gate valve 35 on channel 22 is opened, and first, second pipeline section is communicated with; The Inlet and outlet water tube valve 37 that surmounts surmounting pipe 6 place is all closed.
When raw water turbidity is between 10NTU ~ 100NTU, when carrying out precipitation process, sludge recirculation system (mud air-lift device 16, sludge reflux pond 20, sludge reflux pump 21 etc.) can be opened, realizing sludge reflux circulation, improving deposition efficiency.When precipitation process unit 1 effluent quality lower than 3NTU or reach effluent quality require time, air-flotation process unit 23 can be surmounted.Now, the gate valve 35 on channel 22 is closed, and intakes to close, not to air-flotation process unit 23 water delivery with the tube valve 37 that surmounts surmounting pipe 36; And the water outlet tube valve 37 that surmounts surmounting pipe 36 is opened, by the water collected after precipitation directly to outer conveying.
When raw water turbidity be less than in 10NTU or water containing more difficult-to-settle particle, algae time, precipitation process unit 1 can be surmounted, directly carry out air-flotation process.Now, the gate valve 35 on channel 22 is closed, and the water outlet tube valve 37 that surmounts surmounting pipe 36 is closed, and water inlet is opened with the tube valve 37 that surmounts surmounting pipe 36, directly water is delivered to air-flotation process unit 23.
In sum, solid-liquid medium separating treatment pond provided by the invention, combine precipitation process unit 1 and air supporting processing unit 23, arranged by the combination of rational treatment technology, synchronous high-efficiency process that the collaborative work of mechanical means and compact flow arrangement realize secondary mud-water separation and spoil disposal deslagging.
In the present invention, reciprocating mud scraper 12, mud discharging pump 13, air lift mud discharging device 16, sludge reflux pond 20 and sludge reflux pump 21 are unified is arranged in precipitation process unit 1, while precipitation process unit 1 realizes air lift mud discharging device and spoil disposal worked in coordination with by mud discharging pump, compact Layout sludge reflux pond and sludge reflux pump, effective raising processing efficiency, is conducive to the reliable spoil disposal under the complicated former regimen condition of reply.
In the present invention, precipitation process unit 1 is connected compact Layout with air supporting processing unit 23 by channel 22, the combination of two kinds of processing modes is achieved in process structures, by gate valve 35, the keying that surmounts pipe 36, surmount tube valve 37 etc., can realize adopting single or collaborative operation scheme flexibly, than other conventional treatment process, there is stronger adaptability.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a solid-liquid medium separating treatment pond, is characterized in that, comprise: precipitation process unit (1), air-flotation process unit (23), is communicated with between the two with channel (22);
The mix and blend district (3) of described precipitation process unit (1), by the interior mixing and blending machine (5) established, to via water inlet pipe (10), the water entered in this mix and blend district (3) mixes; The lifting flocculation zone (4) of connection is provided with in described mix and blend district (3) both sides; Described lifting flocculation zone (4) passes through lifting stirrer (6) and the supporting cylindrical shell (7) of setting separately, and by the effluent weir via mix and blend district (3), the water extraction be dispensed in corresponding lifting flocculation zone (4) rises to the main tank body (2) of precipitation process unit (1);
Described main tank body (2) bottom is concentrated soil discharging area, top is provided with plastic pipe chute district (8) and stainless steel rectangular effluent trough (9), water in main tank body (2) after precipitation is delivered to stainless steel rectangular effluent trough (9) via plastic pipe chute district (8) and collects, send into the zone of action (25) of described air-flotation process unit (23) again via the channel (22) be communicated with, after fully contacting with the dissolved air water discharged by reliever (28), enter disengaging zone (26); The top of described disengaging zone (26) is provided with slag scraper (29), is scraped by the body refuse of disengaging zone (26) inner top to disengaging zone (26) other ash pit (27) discharge arranged; The bottom of described disengaging zone (26) is provided with some headers (30), by the total channel of water outlet (31) the outwards draining be connected with header (30).
2. solid-liquid medium separating treatment pond as claimed in claim 1, is characterized in that,
The concentrated soil discharging area of described main tank body (2) bottom is provided with reciprocating mud scraper (12), is shifted onto by the mud be deposited at the bottom of pond in the other sludge hopper (15) arranged of main tank body (2); Outwards discharge by arranging mud discharging pump (13) sucking sludge from sludge hopper (15).
3. solid-liquid medium separating treatment pond as claimed in claim 2, is characterized in that,
The top of described sludge hopper (15) is provided with mud air-lift device (16) further, and the mud in sludge hopper (15) is delivered to air lift mud drainage slot (17), and then directly to outer discharge or enter in sludge reflux pond (20);
Described sludge reflux pond (20) is by arranging sludge reflux pump (21), returned sluge in sludge reflux pond (20) is delivered to the sludge reflux point (40) at water inlet pipe (10) place, makes returned sluge again enter mix and blend district (3) by water inlet pipe (10) and realize sludge reflux circular treatment.
4. solid-liquid medium separating treatment pond as claimed in claim 3, is characterized in that,
Described water inlet pipe (10) is provided with coagulant dosage point (38);
On the effluent weir place of described mix and blend district (3), the water inlet pipe of described sludge reflux pump (21), be respectively equipped with coagulant aids toss area (39).
5. solid-liquid medium separating treatment pond as claimed in claim 1, is characterized in that,
Described air-flotation process unit (23) is provided with pressurization reflux pump (32) and is connected with the total channel of water outlet (31), aspirating a part of water from the total canal of water outlet (31) is back in dissolving (33), and pressurize to dissolving (33) by arranging air compressor system (34), make dissolved air water be communicated with the pipeline of reliever (28) by dissolving (33), flow to reliever (28).
6., as the solid-liquid medium separating treatment pond in claim 1 ~ 5 as described in any one, it is characterized in that,
Described channel (22) comprises the first pipeline section be connected with precipitation process unit (1), the second pipeline section be connected with air-flotation process unit (23); Described channel (22) is provided with gate valve (35); Gate valve (35) makes the first pipeline section be communicated with the second pipeline section when being in opened condition, by the water outlet of precipitation process unit (1) input air-flotation process unit (23), carries out precipitation and pneumatically supported combined treatment.
7. solid-liquid medium separating treatment pond as claimed in claim 6, is characterized in that,
First pipeline section of described channel (22), manages (36) with water outlet be connected with surmounting further; Water outlet with surmount that pipe (36) configures surmount tube valve (37) be in opened condition time, surmount air-flotation process unit (23), after precipitation process directly by water outlet with surmounting the outside draining of pipe (36).
8. solid-liquid medium separating treatment pond as claimed in claim 7, is characterized in that,
Second pipeline section of described channel (22), manages (36) with water inlet be connected with surmounting further; Intake with surmount that pipe (36) configures surmount tube valve (37) be in opened condition time, surmounting precipitation process unit (1), directly carrying out air-flotation process with surmounting pipe (36) to air-flotation process unit (23) water delivery by intaking.
9. solid-liquid medium separating treatment pond as claimed in claim 8, is characterized in that,
Described solid-liquid medium separating treatment pond is by water inlet pipe (10), and conveying turbidity is greater than the former water of 100NTU to precipitation process unit (1), carries out precipitation and pneumatically supported combined treatment to it;
Or, described solid-liquid medium separating treatment pond is by water inlet pipe (10), the former water of conveying turbidity between 10NTU ~ 100NTU is to precipitation process unit (1), it is precipitated and sludge reflux circular treatment, and by wherein turbidity lower than the precipitation process unit (1) of 3NTU water outlet directly by water outlet with surmounting pipe (36) discharge, and air-flotation process is carried out in water outlet input air-flotation process unit (23) turbidity being not less than the precipitation process unit (1) of 3NTU;
Or described water inlet pipe (10) directly carries the former water being less than 10NTU or contain difficult-to-settle particle or algae to carry out air-flotation process to air-flotation process unit (23) by water inlet with surmounting pipe (36).
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| CN201610003217.7A CN105461040B (en) | 2016-01-04 | 2016-01-04 | A kind of solid-liquid medium separating treatment pond |
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| CN201610003217.7A CN105461040B (en) | 2016-01-04 | 2016-01-04 | A kind of solid-liquid medium separating treatment pond |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3587356A1 (en) * | 2018-06-22 | 2020-01-01 | Tecnoquimica Exterior, S.A.U. (Tecexsa) | System for the treatment of water by means of dissolved air flotation and sedimentation |
| CN114249453A (en) * | 2021-11-29 | 2022-03-29 | 中冶赛迪工程技术股份有限公司 | Coagulation-sedimentation-ultrafiltration integrated device |
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| CN202961998U (en) * | 2012-11-07 | 2013-06-05 | 上海市政工程设计研究总院（集团）有限公司 | Sludge discharge and sludge return system of efficient precipitation tank |
| CN204125273U (en) * | 2014-10-15 | 2015-01-28 | 南京国能环保工程有限公司 | A kind of low-temperature and low turbidity water treatment device |
| CN205472843U (en) * | 2016-01-04 | 2016-08-17 | 上海市政工程设计研究总院（集团）有限公司 | Solid -liquid medium separation processing pond |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3587356A1 (en) * | 2018-06-22 | 2020-01-01 | Tecnoquimica Exterior, S.A.U. (Tecexsa) | System for the treatment of water by means of dissolved air flotation and sedimentation |
| CN114249453A (en) * | 2021-11-29 | 2022-03-29 | 中冶赛迪工程技术股份有限公司 | Coagulation-sedimentation-ultrafiltration integrated device |
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