CN205616731U - Integrated advanced treatment unit who contains formaldehyde, methyl alcohol waste water - Google Patents
Integrated advanced treatment unit who contains formaldehyde, methyl alcohol waste water Download PDFInfo
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- CN205616731U CN205616731U CN201620355941.1U CN201620355941U CN205616731U CN 205616731 U CN205616731 U CN 205616731U CN 201620355941 U CN201620355941 U CN 201620355941U CN 205616731 U CN205616731 U CN 205616731U
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Abstract
The utility model relates to a waste water treatment technology field, concretely relates to integrated advanced treatment unit who contains formaldehyde, methyl alcohol waste water. Does processing apparatus include equalizing basin, fenton oxidation pond, neutralization pond, hydrolysis -acidification pool, one -level contact oxidation tank, one -level sedimentation tank, ozone oxidation pond, second grade contact oxidation tank, muddy the congealing of following the sewage flow direction and setting gradually flocculation reaction tank, second grade sedimentation tank, middle pond, activated carbon filter and clean water basin are still including the sludge impoundment of storing one -level sedimentation tank and second grade sedimentation tank blowdown mud. This device working costs is low, the system moves safe and reliable, can guarantee out water stabilization of water quality discharge to reach standard.
Description
Technical field
This utility model relates to technical field of waste water processing, be specifically related to a kind of containing formaldehyde, the one of methanol waste water
Body advanced treatment apparatus.
Background technology
Formaldehyde, as a kind of important raw material of industry, is widely used in the necks such as paint, coating, medicine and chemical industry
Territory.Owing to it has stronger bio-toxicity, the process of formaldehyde-containing wastewater by strict supervision, its waste water
The exploitation for the treatment of technology is also paid much attention to by industry.
Sewage containing formaldehyde, methanol fires essentially from formaldehyde plant, dimethoxym ethane device, metaformaldehyde and alcohol ether
Material device:
Formaldehyde plant: from flue gas washing tower and air scrubber, average water yield 3m3/ h, maximum amount of water 6m3/ h,
Major pollutants are SS:200mg/l；
Dimethoxym ethane device: essentially from waste water at the bottom of dimethoxym ethane reaction tower tower, waste component diethylene glycol 50mg/L,
Methanol 100mg/L, formaldehyde 200mg/L, dimethoxymethane 20mg/L, poly-triethylene glycol 20mg/L, first
Acid 100mg/L, sulfonic acid 10mg/L.Average water yield 3.9m3/ h, maximum amount of water 4.8m3/h；
Metaformaldehyde device: the brine waste of discharge is at salt-containing waste water treating device (evaporative crystallization) desalination
After reason, waste water drains into Sewage Disposal, and the water quality to Sewage Disposal is: formaldehyde 100mg/L, methanol 100mg/L,
Sodium formate 1000mg/L.Average water yield 4m3/ h, maximum amount of water 4.8m3/h。
The processing method of current industrial formaldehyde-containing wastewater mainly has Fenton process, photocatalytic oxidation, wet type oxygen
Change method, biological treatment and lime method etc., but there is techniques below problem in these methods: and (1) system is run
Instability, processes effluent quality and often there will be situation the most up to standard, it is impossible to stable emissions；(2) dosage is big,
Severe reaction conditions, often, operating cost is high for sewage lifting；(3) equipment requirements is high, runs dumb,
Cost of investment is high.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of operating cost is low, system runs safety can
The integrated advanced treating containing formaldehyde, methanol waste water leaning on, ensure that stable effluent quality qualified discharge fills
Put.
For realizing above-mentioned technical purpose, the technical scheme that this utility model employing is following:
Containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, include regulation successively along drainage flow direction
Pond, Fenton oxidation pond, neutralization pond, hydrolysis acidification pool, one-level contact-oxidation pool, first stage precipitation tank, ozone
Oxidation pond, two-stage biological contact oxidation pond, coagulation-flocculation tank, second-level settling pond, intermediate pool, activated carbon
Filter and clear water reserviors, also include storing first stage precipitation tank and the sludge-tank of second-level settling pond institute blowdown mud.
As preferably, described one-level contact-oxidation pool top is provided with one-level solid-liquid separator and one-level gas-liquid is divided
From device, waste water enters bottom one-level contact-oxidation pool, and during catalytic oxidation, gas-liquid-solid flows up, warp
After crossing the separation of one-level solid-liquid separator, solid-liquid is partially separated internal reflux and is entered in pond, gas-carrying portion liquid
Ascending into one-level gas-liquid separator, after liquid is separated, internal reflux enters in pond, by liquid at Gravitative Loads
The internal reflux of lower generation improves the haptoreaction effect in oxidation pond, improves reaction efficiency and processes the degree of depth, with
Time safe and reliable, energy-conservation.
As preferably, top, described two-stage biological contact oxidation pond is provided with two grades of solid-liquid separators and two grades of gas-liquids are divided
From device, waste water enters bottom two-stage biological contact oxidation pond, and during catalytic oxidation, gas-liquid-solid flows up, warp
After crossing two grades of solid-liquid separators separation, solid-liquid is partially separated internal reflux and is entered in pond, gas-carrying portion liquid
Ascending into two grades of gas-liquid separators, after liquid is separated, internal reflux enters in pond；Same principle, passes through liquid
The internal reflux produced under Gravitative Loads improves the haptoreaction effect in oxidation pond, improves reaction efficiency and place
The reason degree of depth, the most safe and reliable, energy-conservation.
As preferably, described first stage precipitation tank and second-level settling pond are rectangular sedimentation tank.
Wherein, oriented described Fenton oxidation pond is set in described regulating reservoir and promotes the elevator pump of conveying sewage.Institute
Oriented described active carbon filter is set in stating intermediate pool and promotes the elevator pump of conveying sewage.
It addition, also include filter press, between described filter press and described sludge-tank, it is provided with screw rod
Pump.
Compared with prior art, this utility model has the following beneficial effect:
(1) treatment tank uses half buried Reinforced Concrete Structure, and technological process is simple, and system uses gravity flow to set
Meter, reduces sewage lifting number of times as far as possible, and easy to operate, equipment failure rate is low, and operating cost is low；
(2) motility that device design consideration system is run, can be 50～110% properly functioning under load, protects
Card system stable operation, safe and reliable, energy-conservation, continuous, long-term operation；
(3) by one-level contact-oxidation pool and twice internal reflux in two-stage biological contact oxidation pond, not only it is beneficial to improve
Haptoreaction efficiency in pond, the beneficially advanced treating of waste water, and realize backflow by liquid deadweight, it is beneficial to
Save the energy, reduce operating cost；
(4) automaticity is high, and stable effluent quality qualified discharge, dosage is few, and operating cost is low (little
In 2 yuan/ton of sewage).
Accompanying drawing explanation
The following drawings is only intended in schematically illustrating this utility model and explaining, does not limit this practicality new
The scope of type.Wherein:
Fig. 1 is the structural representation of this utility model embodiment processing means；
Fig. 2 is the process flow diagram of this utility model embodiment processing method.
In figure: 1-regulating reservoir；2-elevator pump；3-Fenton oxidation pond；4-hydrolysis acidification pool；5-one-level contacts
Oxidation pond；6-first stage precipitation tank；7-ozone oxidation pond；8-two-stage biological contact oxidation pond；9-coagulation-flocculation reaction
Pond；10-second-level settling pond；11-sludge-tank；12-intermediate pool；13-vertical centrifugal pump；14-activated carbon mistake
Filter；15-clear water reserviors；16-screw pump；17-filter press；18-one-level solid-liquid separator；19-one-level
Gas-liquid separator；Bis-grades of solid-liquid separators of 20-；Bis-grades of gas-liquid separators of 21-.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.In the following detailed description,
Only by the way of explanation, describe some one exemplary embodiment of the present utility model.Undoubtedly, this area
One of skill will recognize that, in the case of without departing from spirit and scope of the present utility model, Ke Yiyong
Described embodiment is modified by various different modes.Therefore, accompanying drawing and description are inherently said
Bright property rather than be used for limiting scope of the claims.
Refer to Fig. 1 and Fig. 2, containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, along drainage flow
Direction include successively regulating reservoir 1, Fenton oxidation pond 3, neutralization pond (for illustrating in Fig. 1), hydrolysis acidification pool 4,
One-level contact-oxidation pool 5, first stage precipitation tank 6, ozone oxidation pond 7, two-stage biological contact oxidation pond 8, coagulation-wadding
Solidifying reaction tank 9, second-level settling pond 10, intermediate pool 12, active carbon filter 14 and clear water reserviors 15, with
And store first stage precipitation tank 6 and the sludge-tank 11 of 10 blowdown mud of second-level settling pond.It addition, also include sheet frame
Pressure filter 17, is provided with screw pump 16 between described filter press 17 and described sludge-tank 11.
In order to improve haptoreaction efficiency, described one-level contact-oxidation pool 5 top is provided with one-level solid-liquid separation
Device 18 and one-level gas-liquid separator 19；Top, described two-stage biological contact oxidation pond 8 is provided with two grades of solid-liquid separators
20 and two grades of gas-liquid separators 21.
Use the method for wastewater treatment of said apparatus, comprise the steps:
A. sewage first flow automatically entrance regulating reservoir 1, regulating pondage, water quality, it is ensured that aftertreatment systems can be steady
Determine, run continuously, the time of staying 6～8 hours；
Sewage elevator pump 2 after the most conditioned process is promoted to Fenton oxidation pond 3, throw in Fenton oxidation pond 3
Adding appropriate hydrogen peroxide, ferrous sulfate, regulation pH value is to 2～4, by relatively strong for toxicity and the formaldehyde of difficult for biological degradation
Being nontoxic and the Organic substance of easily biological-degradable Deng oxidation operation, hydrogen peroxide adds simplicity, and flow process is simple, behaviour
Making reliable and stable, oxidisability is strong, does not produce secondary pollution, Fenton oxidation pond response time 1～2 hours；Fragrant
Oxidation pond 3 water outlet enters neutralization pond, adds appropriate bases (sodium hydroxide) in neutralization pond, regulation pH value to 6～
9, the neutralization pond time of staying is 0.5 hour；
C. neutralization pond water outlet enters hydrolysis acidification pool 4, supplements nitrogen and phosphorus element, makes macromolecule, difficult degradation
Organic substance is decomposed into little molecule, degradable Organic substance, hydrolysis acidification pool 4 built-in combined bio filler,
Promoting the apposition growth of microorganism, the hydrolysis acidification pool time of staying is 8 hours；
D. hydrolysis acidification pool 4 water outlet enters one-level contact-oxidation pool 5, the built-in combination type of one-level contact-oxidation pool 5
Biologic packing material, uses spiral-flow type aerator to carry out aeration, and coefficient of oxygen utilization is high, and service life is long；Utilize attachment
Aerobic bacteria decomposing organic matter on filler, makes Organic substance become carbon dioxide and water；It addition, described one-level
Contact-oxidation pool 5 top is provided with one-level solid-liquid separator 18 and one-level gas-liquid separator 19, and waste water is from one-level
Entering bottom contact-oxidation pool 5, during catalytic oxidation, gas-liquid-solid flows up, through one-level solid-liquid separation
After device 18 separates, solid-liquid is partially separated internal reflux and is entered in pond, and gas-carrying portion liquid ascends into one-level
Gas-liquid separator 19, after liquid is separated, internal reflux enters in pond, in being produced under Gravitative Loads by liquid
Backflow is beneficial to improve the haptoreaction effect in oxidation pond, is beneficial to improve reaction efficiency and process the degree of depth, simultaneously
Safe and reliable, energy-conservation；The one-level contact-oxidation pool time of staying is 8 hours, gas-water ratio >=8:1；
E. one-level contact-oxidation pool 5 water outlet gravity flow entrance first stage precipitation tank 6 carries out one-level solid-liquid separation；Precipitation
Load is 2m3/m2.h, and the time of staying is 1.5～2 hours；
F. first stage precipitation tank 6 water outlet gravity flow enters ozone oxidation pond 7, and the time of staying is 1.5～2 hours, ozone
Adding concentration is 25～50mg/L；
G. water outlet gravity flow in ozone oxidation pond 7 enters two-stage biological contact oxidation pond 8, built-in group of two-stage biological contact oxidation pond 8
Box-like biologic packing material, uses spiral-flow type aerator to carry out aeration, makes remaining Organic substance become carbon dioxide and water；
Equally, top, described two-stage biological contact oxidation pond 8 is provided with two grades of solid-liquid separators 20 and two grades of gas-liquid separators
21, waste water enters bottom two-stage biological contact oxidation pond 8, and during catalytic oxidation, gas-liquid-solid flows up, warp
After crossing two grades of solid-liquid separators 20 separation, solid-liquid is partially separated internal reflux and is entered in pond, gas-carrying portion liquid
Body ascends into two grades of gas-liquid separators 21, and after liquid is separated, internal reflux enters in pond；Same principle, passes through
The internal reflux that liquid produces under Gravitative Loads is beneficial to improve the haptoreaction effect in oxidation pond, is beneficial to improve
Reaction efficiency, further raising processes the degree of depth, and safe and reliable, energy-conservation；Two-stage biological contact oxidation pond stops
Time is 8 hours, gas-water ratio >=8:1；
H. two-stage biological contact oxidation pond 8 water outlet enters coagulation-flocculation tank 9, flocculates by adding PAC, PAM
Reaction, further organics removal and float, about 0.5 hour response time；Enter second-level settling pond 10
Carrying out two grades of solid-liquid separation, sedimentation time 2～4 hours, precipitating sludge drains into sludge-tank 11, and water outlet is from flowing to
Enter intermediate pool 12；
I., after intermediate pool 12 sewage stops 0.5～1 hour, it is promoted to activated carbon mistake with vertical centrifugal pump 13
Filter 14, the polluter that exceeds standard is filtered by employing active carbon filter 14, adsorption deeply processes；Guarantee
Produce water qualified discharge；Filter timing or according to pressure reduction backwash, activated carbon used vapour regeneration or the most more
Change；The rate of filtration is 8m/h；
J. intermediate pool 12 water outlet gravity flow enters clear water reserviors 15, and the time of staying is 3～4 hours；On-line monitoring goes out
Water water quality situation, it is ensured that standard water discharge is discharged, if the most up to standard, then be back to regulating reservoir and again process；Clear water
Pond also provides the recoil water consumption of active carbon filter；
K. sludge-tank 11 dischargeable capacity is 40～50 cubic metres, and the mud that settlement on storage pond is discharged, supernatant returns
Flowing to regulating reservoir 1, mud enters filter press 17 through screw pump 16 pressurization and carries out filter-press dehydration, and dry mud is fixed
Phase outward transport is disposed, and pressing filtering liquid is back to regulating reservoir 1.
In this utility model, the said equipment such as active carbon filter, screw pump, filter press etc. are this
The known common equipment of technical field, concrete structure is not described in detail in this.
This process system has the following characteristics that (1) treatment tank uses half buried Reinforced Concrete Structure, technique stream
Journey reduces sewage lifting number of times simply, as far as possible, easy to operate；(2) device design consideration system is run
Motility, can be 50～110% properly functioning under load, it is ensured that system stable operation, safe and reliable, energy-conservation,
Continuously, long-term operation；(3) automaticity is high, stable effluent quality can qualified discharge, dosage
Few, operating cost low (less than 2 yuan/ton of sewage).
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to this practicality new
The scope of type.Any those skilled in the art, in the premise without departing from design of the present utility model and principle
Lower done equivalent variations and amendment, all should belong to the scope of this utility model protection.
Claims (7)
1. containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, it is characterised in that: along drainage flow side
To including that regulating reservoir (1), Fenton oxidation pond (3), neutralization pond, hydrolysis acidification pool (4), one-level connect successively
Touch oxidation pond (5), first stage precipitation tank (6), ozone oxidation pond (7), two-stage biological contact oxidation pond (8), mix
Solidifying-flocculation tank (9), second-level settling pond (10), intermediate pool (12), active carbon filter (14)
With clear water reserviors (15), also include storing first stage precipitation tank (6) and second-level settling pond (10) institute blowdown mud
Sludge-tank (11).
2. as claimed in claim 1 containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, its feature
It is: described one-level contact-oxidation pool (5) top is provided with one-level solid-liquid separator (18) and one-level gas-liquid
Separator (19).
3. as claimed in claim 1 containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, its feature
It is: described two-stage biological contact oxidation pond (8) top is provided with two grades of solid-liquid separators (20) and two grades of gas-liquids
Separator (21).
4. as claimed in claim 1 containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, its feature
It is: described regulating reservoir (1) arranges oriented described Fenton oxidation pond (3) and promotes the elevator pump of conveying sewage
(2)。
5. as claimed in claim 1 containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, its feature
It is: described intermediate pool (12) arranges oriented described active carbon filter (14) and promotes conveying sewage
Elevator pump.
6. as claimed in claim 1 containing formaldehyde, the integrated advanced treatment apparatus of methanol waste water, its feature
Be: also include filter press (17), described filter press (17) and described sludge-tank (11) it
Between be provided with screw pump (16).
7. the dress of the integrated advanced treating containing formaldehyde, methanol waste water as described in any one of claim 1 to 6
Put, it is characterised in that: described first stage precipitation tank (6) and second-level settling pond (10) are rectangular sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620355941.1U CN205616731U (en) | 2016-04-25 | 2016-04-25 | Integrated advanced treatment unit who contains formaldehyde, methyl alcohol waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620355941.1U CN205616731U (en) | 2016-04-25 | 2016-04-25 | Integrated advanced treatment unit who contains formaldehyde, methyl alcohol waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205616731U true CN205616731U (en) | 2016-10-05 |
Family
ID=57027286
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620355941.1U Expired - Fee Related CN205616731U (en) | 2016-04-25 | 2016-04-25 | Integrated advanced treatment unit who contains formaldehyde, methyl alcohol waste water |
Country Status (1)
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| CN (1) | CN205616731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698850A (en) * | 2017-01-19 | 2017-05-24 | 广州市海珥玛植物油脂有限公司 | Treatment device and treatment method of epoxy plasticizer waste water |
| CN107739127A (en) * | 2017-10-19 | 2018-02-27 | 浙江海牛环境科技股份有限公司 | A kind of method that alkaline sewage is handled using halophilic microorganism |
-
2016
- 2016-04-25 CN CN201620355941.1U patent/CN205616731U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698850A (en) * | 2017-01-19 | 2017-05-24 | 广州市海珥玛植物油脂有限公司 | Treatment device and treatment method of epoxy plasticizer waste water |
| CN107739127A (en) * | 2017-10-19 | 2018-02-27 | 浙江海牛环境科技股份有限公司 | A kind of method that alkaline sewage is handled using halophilic microorganism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20210425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |