CN205740581U - A kind of processing means of chlor-alkali industry mercury-containing waste water - Google Patents
A kind of processing means of chlor-alkali industry mercury-containing waste water Download PDFInfo
- Publication number
- CN205740581U CN205740581U CN201620654262.4U CN201620654262U CN205740581U CN 205740581 U CN205740581 U CN 205740581U CN 201620654262 U CN201620654262 U CN 201620654262U CN 205740581 U CN205740581 U CN 205740581U
- Authority
- CN
- China
- Prior art keywords
- waste water
- tank
- pond
- chlor
- containing waste
- 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.)
- Active
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
This utility model relates to the processing means of a kind of chlor-alkali industry mercury-containing waste water.Arrange grid pond, regulating reservoir, first class reaction pot, secondary response tank, sedimentation tank, sterilization pool, sludge-tank are sequentially connected in series, and also set up nano zero valence iron and prepare pond, and described nano zero valence iron is prepared pond and is connected with first class reaction pot, secondary response tank respectively by pipeline；Pond prepared by coagulant, tank filter connects sterilization pool by pipe-line mixer；Tank filter follow-up connection storage pool.This utility model uses " materialization " to process technique, efficiently removes the heavy metal Hg in waste water, and stably reaching standard discharges；There is good anti impulsion load ability, to adapt to the change of the water yield, water quality；Use centralized Control, automatic operating, it is easy to management；Can economical and efficient mercury-containing waste water is processed up to standard, accomplish energy-conservation, lower consumption, reduce discharging.
Description
Technical field
This utility model belongs to industrial waste water treatment, is specifically related to the process of a kind of chlor-alkali industry mercury-containing waste water
Device.
Background technology
Chlor-alkali industry is the chemical production field that China is important, and its product almost relates to each of national economy and people's lives
Individual field, but its production process exists the chemical products relevant with hydrargyrum, and owing to management and the use of hydrargyrum are not good at, oneself is to outside
Environment causes mercury pollution, and the health and natural, ecological to the people causes the biggest harm.Such as: use hydrargyrum soda processes raw
Produce in chlor-alkali process, because of the restriction of production technology, substantial amounts of mercury-containing waste water and mercurous brine sludge can be produced.Although China is in " ten
During five " eliminate hydrargyrum soda processes, but the wastewater problem of hydrargyrum soda processes discharge yet suffers from, and its harm can not be ignored.
Use chemical precipitation, coagulation, ion to exchange at present, adsorb, reduce and the method such as membrance separation processes the hydrargyrum in waste water.
But, these method operating costs are high, clearance is relatively low or easily causes secondary pollution, in the urgent need to developing the new of Mercury in Wastewater
Treatment technology.
Chinese patent (201110154924.3) " a kind of method processing high chlorine mercury containing waste water in chlor-alkali industry and system thereof "
Disclose a kind of method processing high chlorine mercury containing waste water in chlor-alkali industry and system thereof, including, include wastewater collection pond, dosing system
System, intake pump, retort, preseparator, header tank, ultrafiltration feed pump, ultrafiltration system, the pipeline of the aforementioned each unit of connection, profit
Adsorb with the macromolecule intercalating agent rich in amino and carboxyl and the heavy metal Hg in waste water removed by ultrafilter membrane.This patent is directed to
Chlor-alkali industry acetylene method produces the high chlorine mercury-containing waste water administering method that vinyl chloride produces, and its technological core is macromolecule intercalating agent
Absorption, relatively costly, and the problem that there is secondary pollution.
Chinese patent (201110262596.9) " mercury-containing waste water treatment methods of a kind of chemically based sedimentation method " discloses
The mercury-containing waste water treatment method of a kind of chemically based sedimentation method, including hydrargyrum process, prepared by precipitant, hydrargyrum flocculant for treating is prepared, just
Secondary chemical precipitation process and degree of depth chemical precipitation.This patented technology core is hydrargyrum precipitant and the preparation of hydrargyrum flocculant and use,
The preparation of hydrargyrum precipitant employs SO4 2-、NH4H2PO4、CO(NH2)2、CH3CH2OH and sulfate reduction strain, hydrargyrum flocculant is
Ferrous sulfate aqueous solution.Its hydrargyrum precipitant preparation process employs multiple chemical drugs, and preparation flow is complicated, uses operation
Inconvenience, the problem that there is secondary pollution.
Chinese patent (201210521138.7) " a kind of by the method for mercury-containing waste water in two-step method process PVC production "
Disclose a kind of by the method for mercury-containing waste water in two-step method process PVC production.This patented technology core is precipitant, flocculation
Agent is to Mercury in Wastewater adsorption precipitation, and follow-up board-like kieselguhr filters removes remaining suspension thing.Precipitant is calcium chloride, hydroxide
Calcium, calcium acetate, alkali metal sulphide, metal acid sulfide, (NH4)2S ；Flocculant is aluminium polychlorid and polyacrylamide
Amine.Its hydrargyrum precipitant preparation process employs multiple chemical drugs, and preparation flow is complicated, use operation inconvenience, have two
The problem of secondary pollution.
Chinese patent (201220182636.9) " device of a kind of full automatic treatment chlor-alkali industry mercury-containing waste water " discloses
A kind of device of full automatic treatment chlor-alkali industry mercury-containing waste water, including: wastewater storage tank, clean water tank, membranous system and medicine system.Should
Patented technology core is dosing (acid-alkali accommodation, precipitant, aluminium polychlorid), and membranous system filters.This plant running cost is high, and
Process mercury-containing waste water overall efficiency relatively low.
Summary of the invention
For existing treatment technology above shortcomings, the purpose of this utility model is to provide a kind of clearance height, place
Manage the processing means of the chlor-alkali industry mercury-containing waste water of low cost, non-secondary pollution.
Technical solution of the present utility model is: the processing means of a kind of chlor-alkali industry mercury-containing waste water, arrange grid pond,
Regulating reservoir, first class reaction pot, secondary response tank, sedimentation tank, sterilization pool, sludge-tank are sequentially connected in series, and also set up nano zero-valence iron
Standby pond, described nano zero valence iron is prepared pond and is connected with first class reaction pot, secondary response tank respectively by pipeline.
Further, the processing means of a kind of chlor-alkali industry mercury-containing waste water be additionally provided with coagulant prepare pond, pot type filter
Device, pond prepared by described coagulant, tank filter connects sterilization pool by pipe-line mixer.
Further, the processing means of a kind of chlor-alkali industry mercury-containing waste water is additionally provided with disinfectant and prepares pond, described sterilization
Agent is prepared pond and is connected with sterilization pool by pipeline.
Further, described tank filter follow-up connection storage pool.
Further, described first class reaction pot, secondary response pot bottom are equipped with action of forced stirring equipment.
Further, the built-in pressure detector of described tank filter, backwash filter module, filtration system bears pressure
Reach to would automatically turn on during threshold values backwash filter module, it is achieved filter and backwash high level automatization.
Further, inside described tank filter, it is provided with water-locator and modified active carbon filterbed, in main removal waste water
Float and other subparticles.
Further, described modified active carbon filterbed dress is sulfur loading active carbon.
Further, described sedimentation tank is vertical sedimentation basin, is provided with taper and sinks bucket at the bottom of pond, and Chi Ding is provided with overflow
Weir, suspended substance sedimentation enters pond base cone shape and sinks in bucket, and primary water flows out from pond surrounding peripherally downflow weir.
Further, described action of forced stirring equipment is diving mixer.
Described regulating reservoir is provided with top cover, uses glass reinforced plastic movable cover plate, has that enclosed type is good, corrosion-resistant, ageing-resistant, makes
By features such as life-span length, economic benefit height.
In this utility model, nano zero valence iron removes heavy metal in waste water hydrargyrum mainly two kinds of mechanism: one is that oxidoreduction is made
With, hydrargyrum in waste water can with 0 ,+1 ,+2 valence exist, the hydrargyrum of high-valence state can be reduced to Elemental Mercury and remove by nano zero valence iron；
Two is absorption, coagulation or co-precipitation, and nano zero valence iron is easily converted to divalent/trivalent compound in water, and these are high
The iron compound of valence state and Zero-valent Iron heavy metal hydrargyrum have certain absorption, coagulation or co-precipitation, and then remove waste water
In heavy metal Hg.
Wherein, Zero-valent Iron is as follows with the redox reaction mechanism of heavy metal Hg:
。
In this utility model, in tank filter, the middle modified activated carbon used is sulfur loading active carbon, the suction of sulfur loading active carbon
Attached performance is significantly better than normal activated carbon.
Sulfur loading active carbon removes heavy metal in waste water hydrargyrum mainly two kinds of mechanism: one is the physical absorption work of activated carbon itself
With, gap structure heavy metal hydrargyrum flourishing in activated carbon has stronger absorption property；Two is the change of sulfenyl in sulfur loading active carbon
Learn adsorption, sulfur loading active carbon void has a lot of S-C chemical bond, and sulfenyl and heavy metal Hg are to occur chemistry anti-
Answering, its reaction mechanism is as follows:
。
Chlor-alkali industry mercury-containing waste water treatment method, comprises the steps:
Step 1: chlor-alkali industry mercury-containing waste water enters regulating reservoir after mechanical grille, waste water regulating reservoir obtain all with
Regulation processes；
Step 2: regulating reservoir water outlet pumps into first class reaction pot, secondary response tank successively, two-stage reaction tank is used in conjunction removal waste water
In heavy metal Hg and float；
Step 3: secondary response tank water outlet enters sedimentation tank, and mud is precipitated at sedimentation tank, and precipitating sludge pumps into mud
Pond, after precipitation, waste water enters sterilization pool sterilization；
Step 4: after sterilization, waste water and coagulant are prepared the coagulant prepared in pond and be sufficiently mixed in pipe-line mixer, enters
In tank filter, filtering the float and other subparticles removed in waste water, after filtration, clear water entrance storage pool stores up temporarily
Deposit, last outer row.
The mud periodic cleaning outward transport of described sludge-tank accumulation.
In described sterilization pool, disinfectant is sodium hypochlorite.
The beneficial effects of the utility model are as follows:
(1) using " materialization " to process technique, efficiently remove the heavy metal Hg in waste water, stably reaching standard discharges；
(2) there is good anti impulsion load ability, to adapt to the change of the water yield, water quality；
(3) centralized Control, automatic operating are used, it is easy to management；
(4) advanced reliable, the automaticity height of technique, management is safeguarded simple, low energy consumption, low fault, it is possible to economical and efficient
Mercury-containing waste water is processed up to standard, accomplish energy-conservation, lower consumption, reduce discharging.
Accompanying drawing explanation
Fig. 1 is a kind of chlor-alkali industry mercury-containing waste water processing means structural representation.
In figure: 1-grid pond；2-regulating reservoir；3-first class reaction pot；4-secondary response tank；5-sedimentation tank；6-sterilization pool；7-
Sludge-tank；8-nano zero valence iron prepares pond；Pond prepared by 9-coagulant；10-disinfectant prepares pond；11-tank filter；12-stores up
Deposit pond；13-pipe-line mixer；14,15,16-valves；17,18,19-dosing pumps；20,21,22-pumps.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
Such as Fig. 1, a kind of device processing chlor-alkali industry mercury-containing waste water, it is adaptable to process chlor-alkali industry mercurous, containing float
Waste water.
The processing means of a kind of chlor-alkali industry mercury-containing waste water, arranges grid pond 1, regulating reservoir 2, first class reaction pot 3, two grades instead
Answer tank 4, sedimentation tank 5, sterilization pool 6, sludge-tank 7 to be sequentially connected in series, also set up nano zero valence iron and prepare pond 8, described nano zero valence iron
Preparation pond 8 is connected with first class reaction pot 3, secondary response tank 4 respectively by pipeline, is provided with valve 14, meter connecting on pipeline
Amount pump 17.
Pond 9 prepared by coagulant, tank filter 11 connects sterilization pool 6 by pipe-line mixer 13, sets on pipeline connecting
It is equipped with valve 15, dosing pump 18.
Disinfectant is prepared pond 10 and is connected with sterilization pool 6 by pipeline, is provided with valve 16, dosing pump connecting on pipeline
19。
Pump 21 is set in the bottom of sedimentation tank 5, pump 22 is set in the bottom of sterilization pool 6, in tank filter 11 and storage
On the connection pipeline in pond 12, pump 20 is set.
Tank filter 11 follow-up connection storage pool 12, is arranged on the tank filter 11 connection pipeline with storage pool 12
Pump 20.
Chlor-alkali industry mercury-containing waste water processing means enters regulating reservoir 2 after grid pond 1 is filtered, and controls to adjust pH value position, pond
Between 6-9.
Regulating reservoir 2 water outlet sequentially enters first class reaction pot 3, secondary response tank 4.
It is that 3:1-15:1 controls chemical feeding quantity according to the mol ratio of nano zero valence iron with Mercury in Wastewater, slowly notes in retort
Entering Nanoscale Iron confection, nano zero valence iron and waste water use diving mixer action of forced stirring, nano zero valence iron oxidation also
Under former, absorption, coagulation or co-precipitation, remove the heavy metal Hg in waste water；Secondary response tank 4 water outlet is from flowing into sedimentation tank 5.
Sedimentation tank 5 is vertical sedimentation basin, and utilization is gravity settling separation principle；Waste water stream after precipitation in sedimentation tank 5
Entering in sterilization pool 6, excess sludge is entered in sludge-tank 7 by sludge pump 21 after precipitating in sedimentation tank 5；After sterilization, waste water passes through
It is sufficiently mixed with coagulant during pipe-line mixer 13, subsequently in tank filter 11, tank filter 11 backwash water outlet
Being back in sedimentation tank 5, tank filter 11 water outlet enters storage pool 12 and stores temporarily, last outer row.
Chlor-alkali industry mercury-containing waste water processing means Design Treatment water yield scope of the present utility model is 0-800m3/ d, design
Value is 500 m3/d.Design influent quality be total mercury 10 mg/L:, pH:6-9, SS:200 mg/L, design effluent quality be total
Hydrargyrum: 0.02mg/L, pH:6-9, SS:20 mg/L.
Claims (10)
1. a processing means for chlor-alkali industry mercury-containing waste water, arrange grid pond (1), regulating reservoir (2), first class reaction pot (3), two
Order reaction tank (4), sedimentation tank (5), sterilization pool (6), sludge-tank (7) are sequentially connected in series, it is characterised in that also set up nano zero valence iron
Preparation pond (8), described nano zero valence iron prepares pond (8) by pipeline respectively with first class reaction pot (3), secondary response tank (4) even
Connect.
The processing means of a kind of chlor-alkali industry mercury-containing waste water the most according to claim 1, it is characterised in that be additionally provided with mixed
Pond (9), tank filter (11) are prepared in solidifying agent, and pond (9) prepared by described coagulant, tank filter (11) passes through pipe-line mixer
(13) sterilization pool (6) is connected.
The processing means of a kind of chlor-alkali industry mercury-containing waste water the most according to claim 1, it is characterised in that be additionally provided with and disappear
Toxic agent prepares pond (10), and described disinfectant is prepared pond (10) and is connected with sterilization pool (6) by pipeline.
The processing means of a kind of chlor-alkali industry mercury-containing waste water the most according to claim 2, it is characterised in that described pot type mistake
Filter (11) follow-up connection storage pool (12).
The processing means of a kind of chlor-alkali industry mercury-containing waste water the most according to claim 1, it is characterised in that described one-level is anti-
Answer tank (3), secondary response tank (4) bottom equipped with action of forced stirring equipment.
A kind of processing means processing chlor-alkali industry mercury-containing waste water the most according to claim 2, it is characterised in that described tank
Formula filter (11) built-in pressure detector, backwash filter module.
A kind of processing means processing chlor-alkali industry mercury-containing waste water the most according to claim 2, it is characterised in that described tank
Formula filter (11) is internal is provided with water-locator and modified active carbon filterbed.
A kind of processing means processing chlor-alkali industry mercury-containing waste water the most according to claim 7, it is characterised in that modified alive
Property carbon filterbed dress be sulfur loading active carbon.
A kind of processing means processing chlor-alkali industry mercury-containing waste water the most according to claim 1, it is characterised in that described heavy
Pond, shallow lake (5) is vertical sedimentation basin, is provided with taper and sinks bucket at the bottom of pond, and Chi Ding is provided with downflow weir.
A kind of processing means processing chlor-alkali industry mercury-containing waste water the most according to claim 5, it is characterised in that described by force
Mixing plant processed is diving mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620654262.4U CN205740581U (en) | 2016-06-28 | 2016-06-28 | A kind of processing means of chlor-alkali industry mercury-containing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620654262.4U CN205740581U (en) | 2016-06-28 | 2016-06-28 | A kind of processing means of chlor-alkali industry mercury-containing waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205740581U true CN205740581U (en) | 2016-11-30 |
Family
ID=57382908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620654262.4U Active CN205740581U (en) | 2016-06-28 | 2016-06-28 | A kind of processing means of chlor-alkali industry mercury-containing waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205740581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948329A (en) * | 2016-06-28 | 2016-09-21 | 中钢集团天澄环保科技股份有限公司 | Treatment device and method for mercury-containing wastewater in chlor-alkali industry |
| CN111228711A (en) * | 2020-01-15 | 2020-06-05 | 扬州杰嘉工业固废处置有限公司 | Method for stabilizing and curing mercury-containing waste salt slag by using petrochemical waste alkali slag |
-
2016
- 2016-06-28 CN CN201620654262.4U patent/CN205740581U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948329A (en) * | 2016-06-28 | 2016-09-21 | 中钢集团天澄环保科技股份有限公司 | Treatment device and method for mercury-containing wastewater in chlor-alkali industry |
| CN111228711A (en) * | 2020-01-15 | 2020-06-05 | 扬州杰嘉工业固废处置有限公司 | Method for stabilizing and curing mercury-containing waste salt slag by using petrochemical waste alkali slag |
| CN111228711B (en) * | 2020-01-15 | 2021-08-06 | 扬州杰嘉工业固废处置有限公司 | Method for stabilizing and curing mercury-containing waste salt slag by using petrochemical waste alkali slag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102010086B (en) | Method for treating mercury-containing wastewater with three-section continuous process | |
| CN102826686B (en) | Double-membrane treatment method of iron and steel industrial wastewater | |
| CN101844844B (en) | Device for treating high-concentration electroplating wastewater and application thereof | |
| CN101781045B (en) | Recycling and treating method for mine water containing suspended substances | |
| CN204824453U (en) | Desulfurization pretreatment of water device that gives up | |
| CN211215583U (en) | Porous sand filter suitable for mine water | |
| CN206635175U (en) | A kind of electroplating waste processing equipment | |
| CN103172199A (en) | Method for treating hydrofluoric acid wastewater | |
| CN204185333U (en) | Integration advanced treatment system | |
| CN109264939A (en) | The processing method and system of Lithium Battery Industry production waste water | |
| CN106517578B (en) | Heavy metal wastewater treatment method for breaking complex by using granular sludge and ceramic membrane | |
| CN210528699U (en) | Landfill leachate treatment system with biochemical effluent softening function | |
| CN205740581U (en) | A kind of processing means of chlor-alkali industry mercury-containing waste water | |
| CN204097291U (en) | A kind of Laboratory Waste Water Treatment system | |
| CN101580318A (en) | Beneficiation wastewater treatment method circularly used for ceramic filter | |
| CN208684599U (en) | A kind of double-layer integrally water purification apparatus | |
| CN105948329A (en) | Treatment device and method for mercury-containing wastewater in chlor-alkali industry | |
| CN215886630U (en) | Defluorination device for high-salinity wastewater | |
| CN206553338U (en) | A kind of zero-emission water treatment facilities | |
| CN205258153U (en) | Air supporting and filtration integrated device | |
| CN206089273U (en) | Multi -stage filtration formula sewage treatment device | |
| CN215559437U (en) | Wastewater treatment system | |
| CN108483715A (en) | A kind of processing method of Electroplating Wastewater, nickel | |
| CN205528261U (en) | Stainless steel pickling wastewater treatment device | |
| CN109761383B (en) | Recycling and treating method and recycling and treating system for heavy metal wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |