CN105948334A - Plug flow type heavy metal wastewater treatment method and complete equipment thereof - Google Patents
Plug flow type heavy metal wastewater treatment method and complete equipment thereof Download PDFInfo
- Publication number
- CN105948334A CN105948334A CN201610562268.3A CN201610562268A CN105948334A CN 105948334 A CN105948334 A CN 105948334A CN 201610562268 A CN201610562268 A CN 201610562268A CN 105948334 A CN105948334 A CN 105948334A
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- flow type
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- waste water
- type process
- metal waste
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Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- 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)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a plug flow type heavy metal wastewater treatment method and complete equipment thereof. A water inlet valve (2) is arranged at one end of a box (1), a water outlet valve (7) is arranged at the other end of the box (1), a plurality of sets of partition plates (11) are arranged in the box (1) and partition the interior of the box (1) into a plurality of reaction intervals (12) connected in series, adjustment agent addition holes (3), a pH instrument probe (8) and a sludge discharge/emergency valve (4) are arranged in each reaction interval (12), and a flow meter (5) is arranged at each adjustment agent addition hole (3). According to the plug flow type heavy metal wastewater treatment method and the complete equipment thereof, the PH is adjusted stage by stage, a reaction is performed stage by stage, the influence of precipitate on an agent is avoided, and the cost is lowered while the effect is achieved; the process is simple, the treatment effect is good, operation and management are convenient, and the treatment cost is low.
Description
Technical field
The present invention relates to a kind of method of wastewater treatment, particularly relate to a kind of pulling flow type heavy metal
Method of wastewater treatment.The one-tenth that the invention still further relates to realize the waste water process containing various heavy is sheathed
Standby.
Background technology
Science and technology is a double-edged sword, and since 20th century, science and technology fast development, promotes economy
Development, improve the living standard of the people, but, meanwhile, the mankind have also paid disastrously
The cost of weight.Heavy metal wastewater thereby drenches immersion, ore dressing plant tail essentially from mine drainage, waste-rock yard
Ore deposit draining, non-ferrous metals smelting works' dedusting draining, Non-ferrous Metals Processing Factory's acid washing water, Electroplate Factory
Plating piece washings, steel plant's pickling draining, and electrolysis, pesticide, medicine, paint, pigment
Deng the waste water of industry, the kind of heavy metal ions in wastewater, content and existing forms thereof are with difference
Produce kind and different, widely different.
Heavy metal pickling waste water affects Fish and aquatic organism growth, hinders fish production.Heavy metal
Waste water enters soil, and plant heavy metal of body progressively accumulates, and causes plant root suppressed, blade
Move back green jaundice.Growth and development of plants can be caused to be obstructed even dead, cause agricultural, the forestry underproduction.
Process for treating heavy-metal waste water mainly have electrolysis, bioanalysis, membrane separation process, absorption method,
Ion exchange, chemical precipitation method etc..The present invention is similar to chemical precipitation method.
Traditional chemical precipitation method includes neutralization precipitation method, sulphide precipitation and the barium salt sedimentation method
Neutralization precipitation method Application comparison is extensive at present.Neutralization precipitation method is to alkalescence by wastewater pH regulation,
Metal ion in waste water reacts with precipitant, is converted into insoluble solid precipitation, common metal
It is precipitated out from solution with the form of hydroxide.Conventional precipitant has Calx, hydroxide
Sodium etc..The existing sedimentation method add alkali and disposably adjust pH, are unfavorable for the heavy metal wastewater thereby of complicated component
Process, also can cause the waste of alkali.Heavy metal ion and OH-Whether ion generates the hydrogen of indissoluble
Oxide precipitation, depends on concentration and the OH of heavy metal ion in solution-Concentration.
PH is disposably adjusted in place, then by traditional sewage chemical processing method typically exactly
Dosing, carries out reaction precipitation, reaches wastewater treatment efficiency.Traditional chemical precipitation method is not examined
Considering Optimal pH and the response time removing all kinds of pollution factors, treatment effect is undesirable.
Summary of the invention
First technical problem to be solved by this invention is to provide that a kind of flow process is simple, processes
Pulling flow type process for treating heavy-metal waste water effective, that operation management is convenient, processing cost is cheap.
Second technical problem to be solved by this invention is to provide one and realizes this pulling flow type weight
The complete set of equipments of metallic wastewater processing method.
In order to solve above-mentioned first technical problem, the pulling flow type heavy metal that the present invention provides is given up
Method for treating water, adjusts pH, the most stage by stage dosing stage by stage, carries out reaction precipitation stage by stage,
Reach wastewater treatment efficiency.
In order to solve above-mentioned second technical problem, what the present invention provided realizes a pulling flow type huge sum of money
Belonging to the complete set of equipments of method of wastewater treatment, one end of casing is provided with inlet valve, and the other end is provided with
Flowing water Valve, is provided with in described casing and organizes dividing plate more, and the dividing plate described in many groups is by described
It is partitioned into the reaction interval of multiple series connection in casing, in each described reaction interval, is provided with regulation
Medicine feeding hole, pH instrument probe and spoil disposal/emergency valve, each described regulation medicine feeding hole is provided with stream
Gauge.
Adjacent described dividing plate is crisscross arranged up and down.
Described regulation medicine feeding hole is located at the porch of each described reaction interval.
The bottom of each described reaction interval is provided with V-shaped groove, and described spoil disposal/emergency valve sets
Bottom at described V-shaped groove.
Described v-gutter lean angle 60 degree.
Described flowing water Valve is three-way valve, and entrance point connects with described casing, an outlet
End connects discharge end, and another port of export connects sewage regulating reservoir.
The bottom of described casing is provided with heelpiece.
The top of described casing is provided with manhole.
Described pH instrument probe is arranged on the top of described casing.
Use pulling flow type process for treating heavy-metal waste water and the complete set of equipments thereof of technique scheme,
PH is disposably adjusted in place by traditional sewage chemical processing method typically exactly, then dosing,
Carry out reaction precipitation, reach wastewater treatment efficiency.Traditional chemical precipitation method does not accounts for removing
The optimal PH of all kinds of pollution factors and response time.The present invention uses and adjusts pH stage by stage,
Carry out stage by stage reacting the impact avoiding precipitate to medicament, also save while reaching effect
Cost.This reactor arranges adjustment hole number, and corresponding reactive tank according to the water yield, water quality.
Adjusting pH stage by stage, carrying out reaction stage by stage is to utilize various metal hydroxides in difference
The characteristic of Precipitation under pH value condition, segment processing metal hydroxides.The method processes
It is simple that heavy metal wastewater thereby has flow process, high treating effect, and operation management is convenient, and processing cost is low
Honest and clean feature.
In sum, the present invention be that a kind of flow process is simple, high treating effect, operation management just
The pulling flow type process for treating heavy-metal waste water sharp, processing cost is cheap and complete set of equipments thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation front view of the complete set of equipments of the present invention.
Fig. 2 is the structural representation top view of the complete set of equipments of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
See Fig. 1 and Fig. 2, the pulling flow type process for treating heavy-metal waste water that the present invention provides, point
Stage adjusts pH, the most stage by stage dosing, carries out reaction precipitation stage by stage, reaches sewage disposal
Effect.
The complete set of equipments realizing pulling flow type process for treating heavy-metal waste water that the present invention provides, case
One end of body 1 is provided with inlet valve 2, and the other end is provided with flowing water Valve 7, sets in casing 1
There are many group dividing plates 11, many group dividing plates 11 will to be partitioned into the reaction interval of multiple series connection in casing 1
12, it is provided with regulation medicine feeding hole 3, pH instrument probe 8 and spoil disposal/emergent in each reaction interval 12
Valve 4, each regulation medicine feeding hole 3 is provided with effusion meter 5.
Specifically, adjacent dividing plate about 11 is crisscross arranged.
Preferably, regulation medicine feeding hole 3 is located at the porch of each reaction interval 12.
Further, the bottom of each reaction interval 12 is provided with V-shaped groove 6, spoil disposal/emergency valve
4 bottoms being located at V-shaped groove 6.60 degree of V-shaped groove 6 angle of inclination.
Flowing water Valve 7 is three-way valve, and entrance point connects with casing 1, and a port of export connects row
Putting end, another port of export connects sewage regulating reservoir.
The bottom of casing 1 is provided with heelpiece 10.
The top of casing 1 is provided with manhole 9.
PH instrument probe 8 is arranged on the top of casing 1.
See Fig. 1 and Fig. 2, the present invention and the process of traditional sewage chemical to have any different, traditional
PH is disposably adjusted in place by sewage chemical processing method typically exactly, and then dosing is carried out
Reaction precipitation, reaches wastewater treatment efficiency.Traditional chemical precipitation method does not accounts for removing all kinds of
The Optimal pH of pollution factor and response time.The present invention uses and adjusts pH, sublevel stage by stage
Duan Jinhang reaction avoids the precipitate impact on medicament, also saves into while reaching effect
This.This complete set of equipments arranges according to the water yield, water quality and regulates medicine feeding hole 3 number, and accordingly
Reaction interval 12.
Every section of reaction interval 12 arranges the number of regulation medicine feeding hole 3, regulation according to water quality situation
Medicine feeding hole 3 is arranged on the porch of each section of reaction interval 12, beneficially regulator and water
It is sufficiently mixed.Regulation medicine feeding hole 3 is provided with effusion meter 5, can control to adjust agent flux size.
Water (flow) direction is big waveform, reduces the flow velocity of water, also improves mixing efficiency simultaneously,
Effect of settling strengthens.V-shaped groove 6, the angle of inclination of V-shaped groove 6 it is provided with bottom reaction interval 12
60 degree, the beneficially precipitation of mud.
Flowing water Valve 7 is threeway, and sewage reaches standard after treatment and just can get rid of, if water outlet water
Matter does not reaches standard, then flow to sewage regulating reservoir, process again.
Spoil disposal/emergency valve 4, water outlet it is provided with bottom the precipitation zone of every section of reaction interval 12
When mud is arranged at the bottom of valve 7, mud can be discharged from spoil disposal/emergency valve 4.Need maintenance or
Person is in an emergency and is, can open spoil disposal/emergency valve 4 draining.
PH instrument probe 8 is arranged on the top of casing 1, uses sealing ring to seal, convenient
The maintenance of pH instrument probe 8.PH instrument probe 8 may detect the pH of fixing point, and then automatically adjusts
The amount of joint PH regulator.
It is provided with heelpiece 10 bottom casing 1, facilitates the handling of casing 1.
Claims (10)
1. a pulling flow type process for treating heavy-metal waste water, is characterized in that: adjust pH stage by stage,
Dosing the most stage by stage, carries out reaction precipitation stage by stage, reaches wastewater treatment efficiency.
2. the one-tenth realizing pulling flow type process for treating heavy-metal waste water described in claim 1 is sheathed
Standby, it is characterized in that: one end of casing (1) is provided with inlet valve (2), and the other end is provided with outlet valve
Door (7), is provided with in described casing (1) and organizes dividing plate (11) more, the dividing plate (11) described in many groups
The reaction interval (12) of multiple series connection will be partitioned in described casing (1), each described anti-
Regulation medicine feeding hole (3), pH instrument probe (8) and spoil disposal/emergency valve (4) should be provided with in interval (12),
Each described regulation medicine feeding hole (3) is provided with effusion meter (5).
The one-tenth realizing pulling flow type process for treating heavy-metal waste water the most according to claim 2
Complete equipment, is characterized in that: adjacent described dividing plate (11) is crisscross arranged up and down.
4. according to realizing pulling flow type process for treating heavy-metal waste water described in Claims 2 or 3
Complete set of equipments, it is characterized in that: described regulation medicine feeding hole (3) is located at each described reaction
The porch of interval (12).
5. according to realizing pulling flow type process for treating heavy-metal waste water described in Claims 2 or 3
Complete set of equipments, it is characterized in that: the bottom of each described reaction interval (12) is provided with V-shaped groove
(6), described spoil disposal/emergency valve (4) is located at the bottom of described V-shaped groove (6).
The one-tenth realizing pulling flow type process for treating heavy-metal waste water the most according to claim 5
Complete equipment, is characterized in that: 60 degree of the angle of inclination of described V-shaped groove (6).
7. according to realizing pulling flow type process for treating heavy-metal waste water described in Claims 2 or 3
Complete set of equipments, it is characterized in that: described flowing water Valve (7) is three-way valve, entrance point and institute
Casing (1) connection stated, a port of export connects discharge end, and another port of export connects sewage and adjusts
Joint pond.
8. according to realizing pulling flow type process for treating heavy-metal waste water described in Claims 2 or 3
Complete set of equipments, it is characterized in that: the bottom of described casing (1) is provided with heelpiece (10).
9. according to realizing pulling flow type process for treating heavy-metal waste water described in Claims 2 or 3
Complete set of equipments, it is characterized in that: the top of described casing (1) is provided with manhole (9).
10. according to realizing pulling flow type process for treating heavy-metal waste water described in Claims 2 or 3
Complete set of equipments, it is characterized in that: described pH instrument probe (8) is arranged on described casing (1)
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610562268.3A CN105948334A (en) | 2016-07-15 | 2016-07-15 | Plug flow type heavy metal wastewater treatment method and complete equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610562268.3A CN105948334A (en) | 2016-07-15 | 2016-07-15 | Plug flow type heavy metal wastewater treatment method and complete equipment thereof |
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| CN105948334A true CN105948334A (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610562268.3A Pending CN105948334A (en) | 2016-07-15 | 2016-07-15 | Plug flow type heavy metal wastewater treatment method and complete equipment thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115806336A (en) * | 2022-12-01 | 2023-03-17 | 中国市政工程华北设计研究总院有限公司 | High-efficient dephosphorization system of honeycomb type step |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115806336A (en) * | 2022-12-01 | 2023-03-17 | 中国市政工程华北设计研究总院有限公司 | High-efficient dephosphorization system of honeycomb type step |
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Application publication date: 20160921 |
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