CN206204065U - A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus - Google Patents

A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus Download PDF

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CN206204065U
CN206204065U CN201621184923.8U CN201621184923U CN206204065U CN 206204065 U CN206204065 U CN 206204065U CN 201621184923 U CN201621184923 U CN 201621184923U CN 206204065 U CN206204065 U CN 206204065U
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iron
wastewater
chemical industry
advanced treatment
new low
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叶昌良
薛玉雷
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Beijing Gshj Environmental Protection Engineering Technology Co Ltd
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Beijing Gshj Environmental Protection Engineering Technology Co Ltd
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Abstract

The utility model provides a kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus, including passes sequentially through intermediate pool, iron-carbon micro-electrolysis reactor, aeration oxidation pool, flocculation tank, tube settler, ultraviolet reaction tank and clear water reserviors that aqueduct links together.PH online detection instruments, throwing dispensing equipment, automatic control equipment pooled applications are realized reacting iron carbon the precise control of PH by this patent, improve the efficiency of iron carbon reaction;Fe is removed by adding alkali, oxidation, flocculation sediment2+, it is lowered into the interference of turbidity and follow-up the COD detection of UV reactors;Air dissolved pump provides oxygen for UV reactions, while playing stirring homogenizing water quality;Waffle slab catalyst removes COD with uviol lamp collective effect depth, green, efficient.Structure of the present utility model and process efficient reliability, operation and easy maintenance, it is adaptable to the COD advanced treatings of difficult degradation wastewater from chemical industry.

Description

A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus
Technical field
The utility model is related to a kind of chemical wastewater treatment device, especially a kind of simple and reliable for structure, designs ingenious, work Make the new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of efficiency high.
Background technology
Current country chemical industrial park enters that the universal smaller, product scope of scope of the enterprise is narrow, technology content is not high, due to life Production. art level is not high, and waste water recycling device operation simply even lacks, and causes wastewater from chemical industry following characteristics:Water-quality constituents is answered It is miscellaneous, it is often solvent material and cyclic structure compound;Poisonous and harmful substance is more, such as halogen compounds, nitro compound;B/ Than low, biodegradability is poor, bio-refractory for C;Chroma in waste water is high.
More to the processing method of low biodegradability wastewater from chemical industry both at home and abroad, general handling process is:Pretreatment-raw Change treatment-advanced treating.Because B/C is than low, complicated component, there is the stronger suppression property made to microbial activity, biochemical treatment Limitation, could will further reduce COD concentration in waste water by advanced treating, and conventional further treatment technique is mainly sweet smell , iron-carbon micro-electrolysis, photochemical catalytic oxidation.
Fenton technology has the advantages that process is simple, reaction speed are fast, can produce flocculation, but chemical feeding quantity is big, work Intensity is big;Sludge output is more, high cost;The corrosivity for the treatment of agent is big, and cement can all be corroded.Iron-carbon micro-electrolysis technology should Wide with scope, processing cost is low, easy to operate, but it is low to there is filler utilization rate, easily hardened to produce passivation;Reaction condition is (main If PH) bad control;The low shortcoming for the treatment of effect.The reaction condition of photocatalysis oxidation technique is simple, and the reaction time is short;Reaction Efficiently, thoroughly (product is CO2、H2O, acid, inorganic salts etc.);Consumption of chemical agent is few, it is to avoid secondary pollution;Cost of investment is low Advantage.But exist (turbidity is very low) high to the water quality requirement intake;The efficiency of catalyst is not universal high, and light source selection does not conform to Reason, the shortcomings of cause operating cost high.
Utility model content
To solve the above problems, the utility model provides a kind of simple structure, designs ingenious, high working efficiency new Low biodegradability wastewater from chemical industry COD advanced treatment apparatus.
Realize a kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of the utility model purpose, including according to The secondary intermediate pool linked together by aqueduct, iron-carbon micro-electrolysis reactor, aeration oxidation pool, flocculation tank, tiltedly Pipe sedimentation basin, ultraviolet reaction tank and clear water reserviors.
A number elevator pump is installed on the aqueduct between the intermediate pool and iron-carbon micro-electrolysis reactor;
An online PH meter and concentrated sulfuric acid adding set, the iron carbon are provided with above the iron-carbon micro-electrolysis reactor The inside of micro-electrolysis reactor is filled with iron carbon filler, and the bottom of the iron-carbon micro-electrolysis reactor is provided with iron-carbon micro-electrolysis bottom Portion's aerator, cushion is provided with the middle part of the iron-carbon micro-electrolysis reactor;
The side wall of the aeration oxidation pool is provided with air blower, the air blower connection iron-carbon micro-electrolysis bottom aeration dress Put;
It is connected with by pipe-line mixer on aqueduct between the iron-carbon micro-electrolysis reactor and aeration oxidation pool Alkali lye dosing apparatus;
No. two PH meters and hydrogen peroxide throwing device, the bottom of the aeration oxidation pool are provided with above the aeration oxidation pool Portion is provided with the aeration head being connected with air blower;
The top of the flocculation tank is provided with agitator and polyacrylamide dosing apparatus;
The side wall that being delivered in the tube settler has tube settler filler, the tube settler is provided with spoil disposal Pump;
Air dissolved pump is provided with aqueduct between the tube settler and ultraviolet reaction tank;
The bottom of the ultraviolet reaction tank is provided with the dissolved air release being connected with air dissolved pump, the ultraviolet reaction tank Be internally provided with waffle slab catalyst, be provided with quartz burner in the middle part of the ultraviolet reaction tank;
The bottom of the clear water reserviors is provided with backwashing pump, and the backwashing pump connects iron carbon back washing device.
A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus described in this patent, each part is connected simultaneously PLC control cabinet is simultaneously uniformly controlled operation by it, and waste water is entered intermediate pool, squeezed into by an elevator pump after conventional pretreatment The bottom of iron-carbon micro-electrolysis reactor, concentrated sulfuric acid adding set is respectively in bottom of pond and stage casing acid adding regulation PH, an online PH meter Monitor in real time pH value, controls the dosage of sulfuric acid, conveys air by air blower and aeration head and stirs;The reaction water outlet of iron carbon is led to Cross alkali lye dosing apparatus and add alkali, such as lime or caustic soda to pipe-line mixer, make the Fe of iron carbon water outlet2+It is changed into Fe (OH)2, alkali lye throwing Dosage counts the data point reuse of feedback by No. 2 online PH, and in aeration oxidation pool by hydrogen peroxide throwing device, addition hydrogen peroxide will Fe(OH)2It is oxidized to Fe (OH)3, by experiment calmly, the aeration head of air blower and aeration oxidation pool is passed through air oxidation and stirs chemical feeding quantity Mix;Waste water after oxidation enters flocculation tank, and polyacrylamide dosing apparatus add polyacrylamide, and agitator is carried out at a slow speed Stirring contributes to flco to be formed;Water after flocculation enters tube settler, and the mud for precipitating is delivered to sludge by sludge pump Processing system, the water after precipitation is oxygen-enriched by air dissolved pump, is intake in bottom of pond dissolved air release into ultraviolet reaction tank, ultraviolet Line fluorescent tube and waffle slab catalyst are lower generation redox reaction removal COD jointly;Light-catalysed water outlet enters outside clear water reserviors Row or reuse.
The iron-carbon micro-electrolysis reactor need to periodically carry out combined water and air backwash, and air purge is supplied by air blower, in iron carbon The bottom section of micro-electrolysis reactor and stage casing are aerated;Washing is supplied water by the backwashing pump installed in clear water reserviors and iron carbon back washing device, Conveniently just washed and backwash, the frequency of backwash and time adjust according to influent quality.
This patent realizes to iron carbon reaction PH's PH online detection instruments, throwing dispensing equipment, automatic control equipment pooled applications Precise control, improves the efficiency of iron carbon reaction;Fe is removed by adding alkali, oxidation, flocculation sediment2+, it is lowered into UV reactors Turbidity and the interference of follow-up COD detections;Air dissolved pump provides oxygen for UV reactions, while playing stirring homogenizing water quality;Waffle slab is urged Agent removes COD with uviol lamp collective effect depth, green, efficient.Structure of the present utility model and process efficient reliability, operation And easy maintenance, it is adaptable to the COD advanced treatings of difficult degradation wastewater from chemical industry.
Brief description of the drawings
Fig. 1 is a kind of structural representation of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of the present utility model Figure.
Specific embodiment
As shown in figure 1, the new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind of the present utility model, including Pass sequentially through intermediate pool 1, iron-carbon micro-electrolysis reactor 2, aeration oxidation pool 3, flocculation reaction that aqueduct 8 links together Pond 4, tube settler 5, ultraviolet reaction tank 6 and clear water reserviors 7.
A number elevator pump 9 is installed on the aqueduct 8 between the intermediate pool 1 and iron-carbon micro-electrolysis reactor 2;
The top of the iron-carbon micro-electrolysis reactor 2 is provided with an online PH and counts 13 and concentrated sulfuric acid adding set 14, institute The inside of iron-carbon micro-electrolysis reactor 2 is stated filled with iron carbon filler 10, the bottom of the iron-carbon micro-electrolysis reactor 2 is provided with iron Carbon micro-electrolysis bottom aerator 12, the middle part of the iron-carbon micro-electrolysis reactor 2 is provided with cushion 11;
The side wall of the aeration oxidation pool 3 is provided with air blower 15, and the connection iron-carbon micro-electrolysis of the air blower 15 bottom exposes Device of air 12;
Connected by pipe-line mixer 16 on aqueduct 8 between the iron-carbon micro-electrolysis reactor 2 and aeration oxidation pool 3 It is connected to alkali lye dosing apparatus 17;
The top of the aeration oxidation pool 3 is provided with No. two PH and counts 18 and hydrogen peroxide throwing device 19, the aerating oxidation The bottom in pond 3 is provided with the aeration head 20 being connected with air blower 15;
The top of the flocculation tank 4 is provided with agitator 21 and polyacrylamide dosing apparatus 22;
The side wall that being delivered in the tube settler 5 has tube settler filler 24, the tube settler 5 is provided with row Dredge pump 23;
Air dissolved pump 25 is provided with aqueduct 8 between the tube settler 5 and ultraviolet reaction tank 6;
The bottom of the ultraviolet reaction tank 6 is provided with the dissolved air release 26 being connected with air dissolved pump 25, the ultraviolet Reaction tank 6 is internally provided with waffle slab catalyst 28, and the middle part of the ultraviolet reaction tank 6 is provided with quartz burner 27;
The bottom of the clear water reserviors 7 is provided with backwashing pump 29, the connection iron carbon of the backwashing pump 29 back washing device 30.
A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus described in this patent, each part is connected simultaneously PLC control cabinet 31 is simultaneously uniformly controlled operation by it.
Waste water enters intermediate pool after conventional pretreatment, and the bottom of iron-carbon micro-electrolysis reactor is squeezed into by an elevator pump Portion, concentrated sulfuric acid adding set in bottom of pond and stage casing acid adding regulation PH, an online PH meters monitor in real time pH value, controls sulfuric acid respectively Dosage, air is conveyed by air blower and aeration head and is stirred;The reaction water outlet of iron carbon is by alkali lye dosing apparatus to pipeline Blender adds alkali, such as lime or caustic soda, makes the Fe of iron carbon water outlet2+It is changed into Fe (OH)2, alkali lye dosage is by No. 2 online PH meters The data point reuse of feedback, in aeration oxidation pool by hydrogen peroxide throwing device, adds hydrogen peroxide by Fe (OH)2It is oxidized to Fe (OH)3, by experiment calmly, the aeration head of air blower and aeration oxidation pool is passed through air oxidation and stirs chemical feeding quantity;It is useless after oxidation Water enters flocculation tank, and polyacrylamide dosing apparatus add polyacrylamide, and agitator carries out low rate mixing contributes to wadding Body is formed;Water after flocculation enters tube settler, and the mud for precipitating is delivered to sludge treating system by sludge pump, precipitation Water afterwards is oxygen-enriched by air dissolved pump, is intake in bottom of pond dissolved air release into ultraviolet reaction tank, in quartz burner and grid Plate catalyst is lower generation redox reaction removal COD jointly;Light-catalysed water outlet enters row or reuse outside clear water reserviors.
The iron-carbon micro-electrolysis reactor need to periodically carry out combined water and air backwash, and air purge is supplied by air blower, in iron carbon The bottom section of micro-electrolysis reactor and stage casing are aerated;Washing is supplied water by the backwashing pump installed in clear water reserviors and iron carbon back washing device, Conveniently just washed and backwash, the frequency of backwash and time adjust according to influent quality.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality New scope is defined, under the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff couple Various modifications and improvement that technical solutions of the utility model are made, all should fall into the guarantor that claims of the present utility model determine In the range of shield.

Claims (11)

1. a kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus, it is characterised in that including passing sequentially through water-supply-pipe It is intermediate pool that road links together, iron-carbon micro-electrolysis reactor, aeration oxidation pool, flocculation tank, tube settler, ultraviolet Line reaction tank and clear water reserviors.
2. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In being provided with an elevator pump on the aqueduct between the intermediate pool and iron-carbon micro-electrolysis reactor.
3. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In being provided with an online PH meter and concentrated sulfuric acid adding set, the micro- electricity of iron carbon above the iron-carbon micro-electrolysis reactor The inside for solving reactor is filled with iron carbon filler, and the bottom of the iron-carbon micro-electrolysis reactor is provided with the exposure of iron-carbon micro-electrolysis bottom Device of air, cushion is provided with the middle part of the iron-carbon micro-electrolysis reactor.
4. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In the side wall of the aeration oxidation pool is provided with air blower, the air blower connection iron-carbon micro-electrolysis bottom aerator.
5. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In, on the aqueduct between the iron-carbon micro-electrolysis reactor and aeration oxidation pool by pipe-line mixer be connected with alkali lye throw With device.
6. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In, No. two PH meters and hydrogen peroxide throwing device are provided with above the aeration oxidation pool, the bottom of the aeration oxidation pool sets It is equipped with the aeration head being connected with air blower.
7. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In the top of the flocculation tank is provided with agitator and polyacrylamide dosing apparatus.
8. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In the side wall that being delivered in the tube settler has tube settler filler, the tube settler is provided with sludge pump.
9. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In being provided with air dissolved pump on the aqueduct between the tube settler and ultraviolet reaction tank.
10. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists The bottom of, the ultraviolet reaction tank is provided with the dissolved air release being connected with air dissolved pump, the ultraviolet reaction tank it is interior Portion is provided with waffle slab catalyst, and quartz burner is provided with the middle part of the ultraviolet reaction tank.
The 11. new low biodegradability wastewater from chemical industry COD advanced treatment apparatus of one kind according to claim 1, its feature exists In the bottom of the clear water reserviors is provided with backwashing pump, and the backwashing pump connects iron carbon back washing device.
CN201621184923.8U 2016-10-28 2016-10-28 A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus Active CN206204065U (en)

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CN201621184923.8U CN206204065U (en) 2016-10-28 2016-10-28 A kind of new low biodegradability wastewater from chemical industry COD advanced treatment apparatus

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107399799A (en) * 2017-07-28 2017-11-28 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 A kind of method for eliminating fracturing outlet liquid measure COD disturbing factors
CN109179811A (en) * 2018-10-17 2019-01-11 四川凯沃环保科技有限公司 A kind of advanced synergistic oxidation reaction unit of industrial wastewater and technique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107399799A (en) * 2017-07-28 2017-11-28 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 A kind of method for eliminating fracturing outlet liquid measure COD disturbing factors
CN109179811A (en) * 2018-10-17 2019-01-11 四川凯沃环保科技有限公司 A kind of advanced synergistic oxidation reaction unit of industrial wastewater and technique

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