CN104609676B - Device for quickly improving water quality of urban water body - Google Patents
Device for quickly improving water quality of urban water body Download PDFInfo
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- CN104609676B CN104609676B CN201510078947.9A CN201510078947A CN104609676B CN 104609676 B CN104609676 B CN 104609676B CN 201510078947 A CN201510078947 A CN 201510078947A CN 104609676 B CN104609676 B CN 104609676B
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Abstract
The invention discloses a device for quickly improving the water quality of an urban water body. The device comprises a coagulation reactor, an inclined tube sedimentation tank, a laminating filter and a biological active carbon tank, wherein the coagulation reactor is connected with a raw water inlet tube, so that suspended matter coagulation, macromolecular organic substance coagulation and adsorption for a phosphor element in water are performed on wastewater to form a polluted flocculating constituent; the inclined tube sedimentation tank is connected with a water outlet of the coagulation reactor, so that solid-liquid separation of the polluted flocculating constituent is formed in the coagulation reactor; the laminating filter is connected with a water outlet of the inclined tube sedimentation tank, so that fine suspended substances which are not separated in the inclined tube sedimentation tank are held; the biological active carbon tank is connected with a water outlet of the laminating filter for reducing residual organic substances and the nitrogen element by utilizing the adsorption effect of the active carbon and the microbial metabolism effect; the water outlet of the laminating filter is connected with a landscape water body. The device can be used for quickly improving the water quality of the urban water body, is free of interferences of environmental factor, high in automation degree, low in treatment cost and capable of achieving a purpose of improving the water quality of the landscape water body within a circulating period. The device can realize a skid-mounted design, so that the utilization rate is greatly increased.
Description
Technical field
The invention belongs to technical field of waste water processing, it is related to city appearance water body water pollutant and controls, particularly to one kind
Urban water-body water quality quickly improves device.
Background technology
In recent years, with economic fast development, sewage treatment project is relatively backward compared with urban development speed, and water pollution is asked
Topic increasingly highlights, and especially has the rivers and lakes of landscape function, due to its poor fluidity, self-purification capacity is low, leads to water body rich
Nutrient laden is serious.Body eutrophication refers to that the nutriments such as nitrogen phosphorus excessively enter in natural water body, and algae in the water causing
Deng phytoplankton undue growth, in turn result in dissolved oxygen in water body and decline, aquatile mortality, sensory properties decline etc. one
Series makes the phenomenon that water ecological environment deteriorates.
Landscape water body the practical problem such as is required to be limited by its construction problem, landscape, has a lot of sewage disposal technologies not
Can effectively implement, mostly adopt restoration of the ecosystem.In recent years, biological floating bed technology is fast-developing, and it mainly relies on water in floating bed
The catharsis of plant, traditional biological floating bed be to become variously-shaped by having buoyant combination of materials, carry water plant,
Using Eutrophication materials such as the flourishing Root Absorption Water phosphorus of water plant, simultaneously huge root system provides for microorganism
One living environment depending on, thus purifying water, improves water body self-purification ability.Research and practice have shown that, in eutrophic water
In body repair process, biological floating bed can repair water ecology to a certain extent.However, biological floating bed technology also has it intrinsic
Defect: be planted in the plant in floating bed more and be fixed in soil, plant and water body are isolated by buoyant material and soil, root system of plant
The water yield of contact is few, and hydraulic detention time is longer, and root system effect is restricted significantly；Plant can only absorb the nitrogen in water
Phosphorus, can not be converted and be discharged in the air, need timing to gather in, complex operation；And plant is in the decline of non-acoustic detection joint
It is an important restriction factor.
Content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of urban water-body water quality quickly changes
Kind device, is had to nutritive salt such as the organic pollutions in urban water-body and n, p using means such as physical chemistry, biochemistries
The reduction of effect, to improve the water quality of urban water-body, provides good landscape aquatic ecological environment for city dweller.
To achieve these goals, the technical solution used in the present invention is:
A kind of urban water-body water quality quickly improves device, comprising:
Coagulation reactor, connects raw water water inlet pipe, waste water complete wherein suspension cohesion, larger molecular organicses coagulation and
The absorption of P elements in water, forms pollution flco；
Tube settler, connects the delivery port of coagulation reactor, and waste water carries out formation in coagulation reactor wherein
The separation of solid and liquid of pollution flco；
Laminated filter, connects the delivery port of tube settler, and retention fails detached thin in tube settler
Little suspension；
Biologically active canister, connects the delivery port of laminated filter, using suction-operated and the microorganism generation of activated carbon
Thank to effect, realize the reduction of remaining organic matter and nitrogen wherein, the delivery port of biologically active canister is with landscape water body even
Connect.
Preferably, the dosing system that the present invention be may also include intermediate water tank and connected coagulation reactor by dosing pipe
System, after laminated filter filters, a water outlet part enters medicine system by pipeline, and remaining water outlet enters biologically active
Canister；The process water of bioactive canister is partly into intermediate water tank, and remaining enters landscape water body, described inclined tube
The sludge outlet of sedimentation basin connects sludge treating system,
Described medicine system is divided into aluminium polychloride mixing adding equipment and polyacrylamide mixing adding equipment, wherein
Polyacrylamide adding equipment connects coagulation reactor and sludge treating system simultaneously.
With Stacked sludge dewatering machine as core, disposal ability is 0.5m to described sludge treating system3/h.
Preferably, the present invention may also include the automatic control system run for all devices in control device, wherein
Automatic control system is connected with such as lower component:
It is set in turn in the water sprayer 1 on described raw water water inlet pipe and pipe-line mixer 2, one of pipe-line mixer 2 enters
Mouthful with the outlet of water sprayer 1, another entrance connection medicine system, the outlet of pipe-line mixer 2 is connected to coagulating
Device；
It is set in turn in force (forcing) pump 3 on pipeline between described tube settler and laminated filter, fax pressure
Table 1 and electronic valve group one；
It is arranged at the fax pressure gauge group of described laminated filter end；
It is set in turn in electronic valve group two and the motor-driven valve on pipeline between described laminated filter and medicine system
5 14；
It is arranged at the motor-driven valve 6 11 on described biologically active canister outlet pipeline；
And the ultrasonic level gage 12 that is arranged on described intermediate water tank and be arranged at intermediate water tank and lamination
Backwashing pump 13 on pipeline between filter outlet；
Described laminated filter is made up of two filter element parallel connections, and filtering accuracy is 1～3 μm, described electronic valve group
One includes motor-driven valve 1 and the motor-driven valve 26 being separately positioned on two filter element entrances, and described fax pressure gauge group includes point
It is not arranged on fax pressure gauge 27 and the fax pressure gauge 38 of two filter element ends, described electronic valve group two is included respectively
It is arranged on motor-driven valve 39 and the motor-driven valve 4 10 of two filtration unit outlet；
Described motor-driven valve 1, the switch of motor-driven valve 26, motor-driven valve 39 and motor-driven valve 4 10 are by fax pressure gauge 27 and
Fax pressure gauge 38 is controlled with the pressure reduction of fax pressure gauge 1, and the operating of described backwashing pump 13 and motor-driven valve 1, electronic
Valve 26, motor-driven valve 39 and motor-driven valve 4 10 and fax pressure gauge 27 and fax pressure gauge 38 are with fax pressure gauge 1 in fact
Existing coordinated signals: when the pressure reduction of fax pressure gauge 27 and fax pressure gauge 1 is more than 0.3mpa, automatic control system is sent out
Go out instruction and close motor-driven valve 1 and motor-driven valve 39, open motor-driven valve 26 and motor-driven valve 4 10 simultaneously；Or, when fax pressure
When the pressure reduction of table 38 and fax pressure gauge 1 is more than 0.3mpa, automatic control system sends instruction and closes motor-driven valve 26 He
Motor-driven valve 4 10, opens motor-driven valve 1 and motor-driven valve 39 simultaneously；Meanwhile, automatic control system sends instruction unpack backwash
Pump 13 carries out backwash to the filter element of obstruction, and the time continues 3min, and the filter element after backwash enters stand-by state.
Described automatic control system controls the keying of motor-driven valve 6 11 according to the Monitoring Data of ultrasonic level gage 12, with
Ensure that in intermediate water tank, reservoir storage reaches 1m3, meet the needs of backwash laminated filter.
Described water sprayer 1 is drawn air into and is mixed increase dissolved oxygen in water with water, is subsequent bio activity carbon treatment process
There is provided necessary condition, its inspiratory capacity is 2:1 with the gas-water ratio of water inlet.
In described coagulation reactor, hydraulic detention time is 20min, and gt value is 20000～25000, flocculant used
For aluminium polychloride and PAMC；Coagulation reactor top is provided with bubble release area, time of staying 3min.
The charcoal bed thickness of described biologically active canister is 1500mm, and empty bed filtering velocity is 12～18m/s, and granularity of activated carbon is
40～60 mesh.
Compared with prior art, the present invention can quickly improve urban water-body water quality, is not subject to the environmental factors such as season, weather
Impact；And plant automation degree is high, easy and simple to handle, without staff on duty；Processing cost is low；Can be according to urban water-body scale
Prepare the processing meanss quantity adapting to therewith, to reach the target of cycle period Study of Platycladus orientalis-Robinia pseudoacacia water quality improvement；Apparatus of the present invention
Achievable skid-mounted type design, utilization ratio of device can be greatly improved.
Brief description
Fig. 1 is present configuration schematic diagram.
Specific embodiment
Describe embodiments of the present invention with reference to the accompanying drawings and examples in detail.
As shown in figure 1, a kind of urban water-body water quality quickly improves device, specifically include the coagulating connecing raw water water inlet pipe
Device, its water outlet accesses tube settler, and the precipitation water going out tube settler enters laminated filter by elevator pump pressurization
, after laminated filter filters, a water outlet part enters medicine system by pipeline, and remaining all enters biologically active canister
, medicament puts into coagulation reactor by dosing pipe by medicine system, a process water part for bioactive canister
Enter intermediate water tank, remaining is discharged into landscape water body；The heavy mud in the bottom of tube settler drains into sludge treating system, its
In, medicine system is divided into aluminium polychloride mixing adding equipment and polyacrylamide mixing adding equipment, wherein polyacrylamide
Amine adding equipment connects coagulation reactor and sludge treating system simultaneously, and in device, all devices run by automatic control system
Control.
Automatic control system is connected with such as lower component:
Be set in turn in the water sprayer 1 on raw water water inlet pipe and pipe-line mixer 2, an entrance of pipe-line mixer 2 with
The outlet of water sprayer 1, another entrance connects medicine system, and the outlet of pipe-line mixer 2 is connected to coagulation reactor；
It is set in turn in force (forcing) pump 3 on pipeline between tube settler and laminated filter, fax pressure gauge 1
With electronic valve group one；
It is arranged at the fax pressure gauge group of laminated filter end；
It is set in turn in the electronic valve group two on pipeline between laminated filter and medicine system and motor-driven valve 5 14；
It is arranged at the motor-driven valve 6 11 on biologically active canister outlet pipeline；
And the ultrasonic level gage 12 that is arranged on intermediate water tank and be arranged at intermediate water tank and laminated filtering
Backwashing pump 13 on pipeline between device outlet.
And laminated filter is made up of two filter element parallel connections, standby each other, filtering accuracy is 1～3 μm.Now,
Electronic valve group one includes motor-driven valve 1 and the motor-driven valve 26 being separately positioned on two filter element entrances, fax pressure gauge group bag
Include the fax pressure gauge 27 being separately positioned on two filter element ends and fax pressure gauge 38, electronic valve group two is included respectively
It is arranged on motor-driven valve 39 and the motor-driven valve 4 10 of two filtration unit outlet；
Motor-driven valve 1, the switch of motor-driven valve 26, motor-driven valve 39 and motor-driven valve 4 10 are by fax pressure gauge 27 and fax
Pressure gauge 38 is controlled with the pressure reduction of fax pressure gauge 1, and the operating of backwashing pump 13 and motor-driven valve 1, motor-driven valve 26, electricity
Dynamic valve 39 and motor-driven valve 4 10 and fax pressure gauge 27 and fax pressure gauge 38 and fax pressure gauge 1 realization linkage control
System: when the pressure reduction of fax pressure gauge 27 and fax pressure gauge 1 is more than 0.3mpa, automatic control system sends instruction and closes
Close motor-driven valve 1 and motor-driven valve 39, open motor-driven valve 26 and motor-driven valve 4 10 simultaneously；Or, when fax pressure gauge 38 and electricity
When the pressure reduction passing pressure gauge 1 is more than 0.3mpa, automatic control system sends instruction and closes motor-driven valve 26 and motor-driven valve four
10, open motor-driven valve 1 and motor-driven valve 39 simultaneously；Meanwhile, automatic control system sends instruction unpack backwashing pump 13 to
The filter element blocking carries out backwash, and the time continues 3min, and the filter element after backwash enters stand-by state.
Intermediate water tank volume is 1m3Or 1m3More than, automatic control system is according to the monitoring of ultrasonic level gage 12
The keying of Data Control motor-driven valve 6 11, to ensure that in intermediate water tank, reservoir storage reaches 1m3, meet backwash laminated filter
Needs.
The operating procedure that a kind of present invention urban water-body water quality quickly improves device is as follows:
Step one, prepares flocculant, flocculation aid in medicine system, and flocculant is aluminium polychloride, prepares quality dense
Spend for 10%；Flocculation aid is polyacrylamide, and preparing mass concentration is 3 ‰, by true to the coagulation beaker experiments of raw water water sample
Determine added amount of chemical.Medicine system is divided into aluminium polychloride mixing adding equipment and polyacrylamide mixing adding equipment, its
Middle polyacrylamide adding equipment connects coagulation reactor and sludge treating system simultaneously.
Water sprayer 1 is sent into by elevator pump in the pending water source of urban water-body by step 2, relies on swabbing action to make air
Dissolve in water, increasing its dissolved oxygen provides oxygen for follow-up BAC process, and its inspiratory capacity with the gas-water ratio of water inlet is
2:1；Subsequently, aluminium polychloride mixing adding equipment adds the flocculant (in terms of the dry weight of aluminium polychloride) of 50ppm in water,
Medicament is made fully to react in pipe-line mixer 2 with accessing pending water.
Step 3, mixed waste water enters the bubble release area at coagulation reactor top, stops 3min not molten to eliminate
The impact to subsequent reactions for the air of solution, subsequent polyacrylamide mixing adding equipment adds the flocculation aid of 2ppm to carry out in water
Aggregation；In 20min, gt value is 20000～25000 to coagulating time control.
Step 4, the waste water gravity flow after coagulating enters tube settler and carries out separation of solid and liquid, the time of staying
For 0.5 hour, this process simultaneously can be with part P elements in Adsorption water；Tube settler base sludge is by hydrostatic pressure
It is delivered to sludge treating system, processed is carried out by Stacked sludge dewatering machine, abjection water drains into device top to be carried out again
Process.
Step 5, the water that processes through separation of solid and liquid is filtered remnants' by intermediate booster pump feeding laminated filter
Tiny particles content.
Step 6, the water outlet processing through laminated filter, entrance biologically active canister is cut down molten in water further
Solution property organic matter and nitrogen nutrition salt.The charcoal bed thickness of biologically active canister is 1500mm, and empty bed filtering velocity is 14m/s, activity
Carbon granule degree is 40～60 mesh.
Whole device can pass through the control realization automatic running to each pressure gauge, valve and pump for the automatic control system.
After above-mentioned process, the index such as water outlet tn, tp, coliform count meets " water environment quality standard "
(gb3838-2012) three class water quality indexs in, the water quality index such as codmn, bod5 is better than case Ⅱ waters water quality index, and
Only 0.1 yuan/ton of processing cost.
Claims (8)
1. a kind of urban water-body water quality quickly improves device it is characterised in that including:
Coagulation reactor (), connects raw water water inlet pipe, and waste water completes suspension cohesion, larger molecular organicses coagulation and water wherein
The absorption of middle P elements, forms pollution flco；
Tube settler (), connects the delivery port of coagulation reactor (), and waste water carries out being formed in coagulation reactor () wherein
Pollution flco separation of solid and liquid；
Laminated filter (), connects the delivery port of tube settler (), and retention fails detached in tube settler ()
Fine suspension；
Biologically active canister (), connects the delivery port of laminated filter (), using suction-operated and the microorganism generation of activated carbon
Thank to effect, realize reduction, the delivery port of biologically active canister () and the landscape water body of remaining organic matter and nitrogen wherein
Connect；
Intermediate water tank ()；
Medicine system (), connects coagulation reactor () by dosing pipe, and after laminated filter () filters, water outlet is a part of
Medicine system () is entered by pipeline, remaining water outlet enters biologically active canister ()；The place of bioactive canister ()
Reason water is partly into intermediate water tank (), and remaining enters landscape water body, and the sludge outlet of described tube settler () connects
Sludge treating system ()；
Automatic control system (), wherein automatic control system () are connected with such as lower component:
It is set in turn in the water sprayer (1) on described raw water water inlet pipe and pipe-line mixer (2), one of pipe-line mixer (2)
Entrance and the outlet of water sprayer (1), another entrance connects medicine system (), and the outlet of pipe-line mixer (2) is connected to
Coagulation reactor ()；
It is set in turn in force (forcing) pump (3) on pipeline between described tube settler () and laminated filter (), fax pressure
Power table one (4) and electronic valve group one；
It is arranged at the fax pressure gauge group of described laminated filter () end；
It is set in turn in the electronic valve group two on pipeline between described laminated filter () and medicine system () and motor-driven valve
Five (14)；
It is arranged at the motor-driven valve six (11) on described biologically active canister () outlet pipeline；
And the ultrasonic level gage (12) that is arranged on described intermediate water tank () and be arranged at intermediate water tank () with folded
Backwashing pump (13) on pipeline between piece filter () outlet.
2. urban water-body water quality quickly improves device it is characterised in that described medicine system () is divided according to claim 1
For aluminium polychloride mixing adding equipment and polyacrylamide mixing adding equipment, wherein polyacrylamide adding equipment connects simultaneously
Coagulation reactor () and sludge treating system ().
3. urban water-body water quality quickly improves device it is characterised in that described sludge treating system according to claim 1
(), with Stacked sludge dewatering machine as core, disposal ability is 0.5m3/h.
4. urban water-body water quality quickly improves device it is characterised in that described laminated filter () according to claim 1
It is made up of two filter element parallel connections, filtering accuracy is 1～3 μm, and described electronic valve group one includes being separately positioned on two filtrations
The motor-driven valve one (5) of unit entrance and motor-driven valve two (6), described fax pressure gauge group includes being separately positioned on two filter elements
The fax pressure gauge two (7) of end and fax pressure gauge three (8), described electronic valve group two includes being separately positioned on two filtration lists
The motor-driven valve three (9) of unit's outlet and motor-driven valve four (10)；
Described motor-driven valve one (5), the switch of motor-driven valve two (6), motor-driven valve three (9) and motor-driven valve four (10) are by fax pressure gauge two
(7) control with the pressure reduction of fax pressure gauge one (4) with fax pressure gauge three (8), and the operating of described backwashing pump (13) and electricity
Dynamic valve one (5), motor-driven valve two (6), motor-driven valve three (9) and motor-driven valve four (10) and fax pressure gauge two (7) and fax pressure
Coordinated signals realized by table three (8) and fax pressure gauge one (4): when the pressure reduction of fax pressure gauge two (7) and fax pressure gauge one (4)
During more than 0.3mpa, automatic control system () sends instruction and closes motor-driven valve one (5) and motor-driven valve three (9), opens electricity simultaneously
Dynamic valve two (6) and motor-driven valve four (10)；Or, when the pressure reduction of fax pressure gauge three (8) and fax pressure gauge one (4) exceedes
During 0.3mpa, automatic control system () sends instruction and closes motor-driven valve two (6) and motor-driven valve four (10), opens motor-driven valve simultaneously
One (5) and motor-driven valve three (9)；Meanwhile, automatic control system () sends the mistake to obstruction for the instruction unpack backwashing pump (13)
Filter unit carries out backwash, and the time continues 3min, and the filter element after backwash enters stand-by state.
5. urban water-body water quality quickly improves device it is characterised in that described automatic control system according to claim 1
() controls the keying of motor-driven valve six (11) according to the Monitoring Data of ultrasonic level gage (12), to ensure retaining in intermediate water tank
Amount reaches 1m3, meet the needs of backwash laminated filter ().
6. urban water-body water quality quickly improves device it is characterised in that described water sprayer (1) is by sky according to claim 1
Aspiration enter mix with water in water increase dissolved oxygen, for subsequent bio activity carbon treatment process provide necessary condition, its inspiratory capacity with
The gas-water ratio of water inlet is 2:1.
7. urban water-body water quality quickly improves device it is characterised in that described coagulation reactor () according to claim 1
Middle hydraulic detention time is 20min, and gt value is 20000～25000, and flocculant used is aluminium polychloride and cation poly- third
Acrylamide；Coagulation reactor top is provided with bubble release area, time of staying 3min.
8. urban water-body water quality quickly improves device it is characterised in that described biologically active canister according to claim 1
The charcoal bed thickness of () is 1500mm, and empty bed filtering velocity is 12～18m/s, and granularity of activated carbon is 40～60 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510078947.9A CN104609676B (en) | 2015-02-13 | 2015-02-13 | Device for quickly improving water quality of urban water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078947.9A CN104609676B (en) | 2015-02-13 | 2015-02-13 | Device for quickly improving water quality of urban water body |
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| CN104609676B true CN104609676B (en) | 2017-01-25 |
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| CN107445269A (en) * | 2017-09-08 | 2017-12-08 | 王娜 | A kind of water quality ensuring equipment based on Mechanical Driven pulse clarifying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06114394A (en) * | 1992-10-08 | 1994-04-26 | Kubota Corp | Water treatment method |
| CN2313920Y (en) * | 1997-08-27 | 1999-04-14 | 中国人民解放军南京军区航务军事代表办事处 | Container style water purifying supplier |
| CN101381126A (en) * | 2008-10-23 | 2009-03-11 | 陆惠民 | Brackish water desalination device |
| CN101817613B (en) * | 2010-03-16 | 2011-09-28 | 王甫华 | Purifier and method for performing advanced treatment on secondarily-polluted drinking water |
| CN102329053A (en) * | 2011-09-06 | 2012-01-25 | 同济大学 | Combined set for treating micro-polluted source water in counties and towns |
| CN102515432A (en) * | 2011-12-14 | 2012-06-27 | 北京工业大学 | Method for removing microcystin and odor substances in high-algae source water |
| CN102674629B (en) * | 2012-05-09 | 2013-12-18 | 昆明理工大学 | Pollution control method for urban suburb eutrophication water body |
| CN203065284U (en) * | 2013-01-10 | 2013-07-17 | 潍坊海洁环保设备有限公司 | Integrated water purification system for drinking water |
| CN203360186U (en) * | 2013-07-29 | 2013-12-25 | 潍坊沃华水处理设备有限公司 | Rainwater recycling device |
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