CN106746013A - A kind of high efficiency clarification tank and ultrafiltration group technology - Google Patents
A kind of high efficiency clarification tank and ultrafiltration group technology Download PDFInfo
- Publication number
- CN106746013A CN106746013A CN201710012900.1A CN201710012900A CN106746013A CN 106746013 A CN106746013 A CN 106746013A CN 201710012900 A CN201710012900 A CN 201710012900A CN 106746013 A CN106746013 A CN 106746013A
- Authority
- CN
- China
- Prior art keywords
- high efficiency
- flocculation zone
- clarification tank
- water
- efficiency clarification
- 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
- 238000005352 clarification Methods 0.000 title claims abstract description 32
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 14
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000005189 flocculation Methods 0.000 claims abstract description 52
- 230000016615 flocculation Effects 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 6
- 238000011112 process operation Methods 0.000 claims abstract description 4
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 abstract description 5
- 235000020188 drinking water Nutrition 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of high efficiency clarification tank, including cylinder, settling section, flocculation zone and filtering area are disposed with along water process operation in the cylinder, hyperfiltration membrane assembly is provided with the filtering area.Meanwhile, the invention also discloses a kind of ultrafiltration group technology that water process is carried out using above-mentioned high efficiency clarification tank.High efficiency clarification tank disclosed in this invention and ultrafiltration group technology, structure is scientific and reasonable with technical flow design, high efficiency clarification tank is combined with ultrafiltration membrane technique, have compressed technological process, during preliminary sedimentation, mixing, flocculation, clarification, filtering combined in into a pond body, reduce and take up an area, reduce investment outlay, substantially increase the quality and efficiency of water process, it is ensured that effluent characteristics meet sanitary standard for drinking water.Meanwhile, water outlet excludes supply user using the height of high efficiency clarification tank from siphon mode, reduces plant equipment, saving energy consumption.
Description
Technical field
The present invention relates to water correction plant and technology field, and in particular to a kind of high efficiency clarification tank and ultrafiltration combination work
Skill.
Background technology
Due to climate, landform, environment, economic dispatch factor influence, the drinking water situation phase of many Urban Areas of China
Work as sternness.The water problems of drinking of the Northwest's urban population seems especially prominent, and cities and towns drinking water safety problem has become more next
It is more sharp, and it is increasingly becoming everybody focus of attention.
Pollution of waterhead is increasingly severe in recent years, and drinking water safety standard can not be met using conventional water treatment process,
So that effluent quality is not up to standard（It is mainly reflected in that several pollutants are exceeded, delivery turbidity can not meet output water≤0.6NTU's
It is required that）.
The content of the invention
To solve problems of the prior art, the invention provides a kind of height that can be effectively treated to raw water
Effect depositing reservoir and ultrafiltration group technology.
The purpose of the present invention is implemented by the following technical programs：
A kind of high efficiency clarification tank, including cylinder, in the cylinder along water process operation be disposed with settling section, flocculation zone with
And filtering area, the settling section is arranged on cylinder center, connect with water inlet pipe, and the flocculation zone is arranged on settling section periphery, logical
Cross guide shell to be connected with settling section, the conical surface is set in the flocculation zone bottom, the settling section is with the flocculation zone by leading
Flow cartridge is connected, and the filtering area is arranged on flocculation zone top, and with flocculation zone insertion, be provided with the filtering area super
Filter membrane component, outlet pipe is provided with and communicated with the hyperfiltration membrane assembly.
Further, the settling section top is provided with the central tube of open at both ends, and the nozzle of the water inlet pipe is arranged on
The inside of the central tube.
Further, the guide shell include straight guide shell and oblique guide shell, the straight guide shell along the settling section outside
Wall is set, and the oblique guide shell is set along the conical surface of the flocculation zone.
Further, in the outer side-lower of the cylinder, it is additionally provided with mud-collecting slot.
Further, discharge pipeline, the discharge pipeline point are provided with the flocculation zone bottom and the settling section bottom
Lian Tong not be arranged between the settling section and the mud-collecting slot and between the flocculation zone and the mud-collecting slot.
Further, in the flocculation zone, the cylinder inboard wall is provided with umbrella shape plate, the umbrella shape plate and the cylinder
Internal wall is at an acute angle.
Further, the conical surface is horizontal by 55 ° of angles.
Further, vacuum pressure transmitter and PLC control unit are provided with the outlet pipe.
A kind of ultrafiltration group technology that water process is carried out using above-mentioned high efficiency clarification tank, is comprised the following steps：
Step one：Raw water eddy flow enters settling section, is flocculated and preliminary sedimentation；
Step 2：Raw water after settling section carries out fluid stable enters flocculation zone, and the cross-section of river of flocculation zone gradually increases, former
Floccule body in water obtains further growth with precipitation in flocculation zone；
Step 3：The flocculation zone water surface constantly rises, and into the filtering area being arranged on above flocculation zone, water is by being arranged on filtering area
Milipore filter complete filtration treatment, and drawn by the outlet pipe that is connected with hyperfiltration membrane assembly.
Further, the outlet pipe is drawn the water after filtering by siphon mode.
The beneficial effects of the invention are as follows：
High efficiency clarification tank disclosed in this invention and ultrafiltration group technology, structure are scientific and reasonable with technical flow design, will be efficient
Depositing reservoir is combined with ultrafiltration membrane technique, have compressed technological process, and preliminary sedimentation, mixing, flocculation, clarification, filtering are combined in into a pond
In body, reduce and take up an area, reduce investment outlay, substantially increase the quality and efficiency of water process, it is ensured that effluent characteristics meet drinking water and defend
Raw standard.Meanwhile, water outlet excludes supply user using the height of high efficiency clarification tank from siphon mode, reduces plant equipment,
Saving energy consumption.
Brief description of the drawings
Fig. 1 is high efficiency clarification tank main view profile disclosed in this invention.
Specific embodiment
With reference to specific embodiment, specific embodiments of the present invention is described in detail.
As shown in figure 1, the invention discloses a kind of high efficiency clarification tank, including cylinder 100, cylinder 100 is cylindric, in institute
State in cylinder 100 and be disposed with settling section 200, flocculation zone 300 and filtering area 400, the settling section along water process operation
200 are arranged on the center of cylinder 100, and the top of the settling section 200 is provided with the central tube 201 of open at both ends, the water inlet pipe 202
Nozzle 203 be arranged on the inside of the central tube 201.Blast pipe 204, the exhaust are additionally provided with the settling section 200
The one end of pipe 204 is arranged in settling section 200, and the other end is arranged on the upper outer of cylinder 100.The flocculation zone 300 is arranged on clear
Between the clear periphery of area 200 and the inwall of cylinder 100, it is connected with settling section 200 by guide shell, is set in the bottom of the flocculation zone 300
The conical surface 301 is set to, in the present embodiment, the conical surface 301 is horizontal by 55 ° of acute angles.In the flocculation zone 300, along the cylinder
The inwall of body 100 is provided with umbrella shape plate 302, and the umbrella shape plate 302 is at an acute angle with the inwall of the cylinder 100.The settling section 200 with
The flocculation zone 300 is connected by guide shell, and the guide shell includes straight guide shell 303 and oblique guide shell 304, the straight water conservancy diversion
Cylinder 303 is set along the outer wall of the settling section 200, and the oblique guide shell 304 is set along the conical surface 301 of the flocculation zone 300.It is described
Filtering area 400 is arranged on the top of the flocculation zone 300, and with the insertion of flocculation zone 300, be provided with the filtering area 400 super
Filter membrane component 402, is provided with and communicated with outlet pipe 403 on the hyperfiltration membrane assembly 402.
In the outer side-lower of the cylinder 100, mud-collecting slot 500 is additionally provided with, in the bottom of the flocculation zone 300 and the clarification
The bottom of area 200 is provided with discharge pipeline 305,205, the discharge pipeline 205,305 be respectively communicated be arranged on clarification/200 with
Between the mud-collecting slot 500 and between the flocculation zone 300 and the mud-collecting slot 500.
Further, vacuum pressure transmitter 405 and PLC control unit 404 are provided with the outlet pipe 403.
It is the invention also discloses a kind of ultrafiltration group technology that water process is carried out using above-mentioned high efficiency clarification tank including following
Step：
Step one：Raw water eddy flow enters settling section 200, is flocculated and preliminary sedimentation；
Step 2：Raw water after settling section 200 carries out fluid stable enters flocculation zone 300, the cross-section of river of flocculation zone 300 by
Cumulative big, the floccule body in raw water obtains further growth with precipitation in flocculation zone 300；
Step 3：The water surface of flocculation zone 300 constantly rises, and into the filtering area 400 for being arranged on the top of flocculation zone 300, water is by setting
The hyperfiltration membrane assembly 402 put in filtering area 400 completes filtration treatment, and the outlet pipe by being connected with hyperfiltration membrane assembly 402
403 draw.
Further, the outlet pipe 403 is drawn the water after filtering by siphon mode.
The specific work process to high efficiency clarification tank disclosed in this invention is introduced below：
By water inlet pipe 202, tangentially eddy flow enters central tube 201 to raw water, flocculate and preliminary sedimentation.Specifically, raw water pass through into
The eccentric necking of the nozzle 203 of water pipe 202 enters central tube 201, and eddy flow state is formed in central tube 201 by flow dynamic, makes
The mutual Collision coagulation of suspended particulate, reaches the effect of flocculation；The raw water for completing eddy flow carries out fluid stable through the top of central tube 201
The flocculation zone 300 for entering between central tube 201 and the inwall of cylinder 100 afterwards, it is interval with the continuous increase of the cross-section of river, stream herein
Speed is tapered into, floccule body further growth, precipitation.
By the abundant floccule body and particle grown up, by the guiding of straight guide shell 303 and oblique guide shell 304, and umbrella shape
The collective effect of plate 304, with the continuous increase of the cross-section of river, flow velocity is tapered into, and particle is in downward gravity and upward water flow
Under backwater effect, superposed layer is formed.And complete suspending clarification process.
Filtering area 400 is set on the top of flocculation zone 300, hyperfiltration membrane assembly 402, ultrafiltration are internally provided with filtering area 400
Membrane module 402 is placed in filtering area by support 401, on hyperfiltration membrane assembly 402, is provided with and communicated with outlet pipe 403, is being gone out
Under the condition of negative pressure that the siphon of water pipe 403 is produced, water completes filtration treatment through hyperfiltration membrane assembly 402.In every outlet pipe
Vacuum pressure transmitter 405 is respectively mounted on 403, to monitor the pollution level of film, once because the reason such as abnormal causes film dirty
Dye, vacuum exceedes a certain setting value（Such as：-35KPa）Afterwards, automatic the sending of PLC control system 404 being arranged on outlet pipe is stopped
Machine signal, is stopped, it is to avoid cause the excess contamination of film；The filter process is using the Physical entrapment effect removal water body of film
In suspension, bacterium etc..Water outlet drains into braiding channel by difference in height using siphon mode after treatment.Meanwhile, it is deposited on clarification
The impurity of the lower section of area 200 and the lower section of flocculation zone 300, sludge are entered in mud-collecting slot 500 by discharge pipeline.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (10)
1. a kind of high efficiency clarification tank, including cylinder, it is characterised in that：It is disposed with along water process operation in the cylinder clear
Clear area, flocculation zone and filtering area, the settling section are arranged on cylinder center, are connected with water inlet pipe, and the flocculation zone is arranged on
Settling section periphery, is connected by guide shell with settling section, and the conical surface is set in the flocculation zone bottom, the settling section with it is described
Flocculation zone is connected by guide shell, and the filtering area is arranged on flocculation zone top, and with flocculation zone insertion, in the filtering
Hyperfiltration membrane assembly is provided with area, outlet pipe is provided with and communicated with the hyperfiltration membrane assembly.
2. a kind of high efficiency clarification tank according to claim 1, it is characterised in that：The settling section top is provided with two ends and opens
The central tube of mouth, the nozzle of the water inlet pipe is arranged on the inside of the central tube.
3. a kind of high efficiency clarification tank according to claim 1, it is characterised in that：The guide shell include straight guide shell with it is oblique
Guide shell, the straight guide shell is set along the settling section outer wall, and the oblique guide shell is set along the conical surface of the flocculation zone.
4. a kind of high efficiency clarification tank according to claim 1, it is characterised in that：In the outer side-lower of the cylinder, also set up
There is mud-collecting slot.
5. a kind of high efficiency clarification tank according to claim 4, it is characterised in that：In the flocculation zone bottom and the clarification
Area bottom is provided with discharge pipeline, and the discharge pipeline is respectively communicated with and is arranged between the settling section and the mud-collecting slot and institute
State between flocculation zone and the mud-collecting slot.
6. a kind of high efficiency clarification tank according to claim 1, it is characterised in that：In the flocculation zone, along the cylinder
Inwall is provided with umbrella shape plate, and the umbrella shape plate is at an acute angle with the cylinder inboard wall.
7. a kind of high efficiency clarification tank according to claim 1, it is characterised in that：The conical surface is horizontal by 55 ° of angles.
8. a kind of high efficiency clarification tank according to claim 1, it is characterised in that：Vacuum pressure is provided with the outlet pipe
Power transmitter and PLC control unit.
9. the high efficiency clarification tank in a kind of 1-8 using claim described in any one carries out the ultrafiltration group technology of water process,
It is characterized in that：Comprise the following steps：
Step one：Raw water eddy flow enters settling section, is flocculated and preliminary sedimentation；
Step 2：Raw water after settling section carries out fluid stable enters flocculation zone, and the cross-section of river of flocculation zone gradually increases, former
Floccule body in water obtains further growth with precipitation in flocculation zone；
Step 3：The flocculation zone water surface constantly rises, and into the filtering area being arranged on above flocculation zone, water is by being arranged on filtering area
Milipore filter complete filtration treatment, and drawn by the outlet pipe that is connected with hyperfiltration membrane assembly.
10. a kind of ultrafiltration group technology according to claim 9, it is characterised in that：The outlet pipe passes through siphon mode
Water after filtering is drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012900.1A CN106746013A (en) | 2017-01-09 | 2017-01-09 | A kind of high efficiency clarification tank and ultrafiltration group technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012900.1A CN106746013A (en) | 2017-01-09 | 2017-01-09 | A kind of high efficiency clarification tank and ultrafiltration group technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106746013A true CN106746013A (en) | 2017-05-31 |
Family
ID=58951146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012900.1A Pending CN106746013A (en) | 2017-01-09 | 2017-01-09 | A kind of high efficiency clarification tank and ultrafiltration group technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106746013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225337A (en) * | 2020-11-20 | 2021-01-15 | 甘肃朗乾环境科学研究有限公司 | High-turbidity surface water precipitation ultrafiltration treatment equipment |
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Application publication date: 20170531 |