CN105776711B - A kind of industrial wastewater recycling and zero discharge system - Google Patents

A kind of industrial wastewater recycling and zero discharge system Download PDF

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CN105776711B
CN105776711B CN201610304882.XA CN201610304882A CN105776711B CN 105776711 B CN105776711 B CN 105776711B CN 201610304882 A CN201610304882 A CN 201610304882A CN 105776711 B CN105776711 B CN 105776711B
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waste water
mvr
salinity waste
pipeline
salinity
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CN105776711A (en
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李明
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李明
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/20Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/26Treatment of water, waste water, or sewage by extraction
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/34Organic compounds containing oxygen
    • C02F2101/345Phenols
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/007Modular design
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The present invention relates to a kind of industrial wastewater recycling and zero discharge systems, including:Pretreatment unit, recycling treatment unit, film upgrading unit, MVR are concentrated by evaporation unit, burn clean unit, MVR sub-primes crystalline element and automatic control and Internet of Things remote monitoring diagnostic administrative unit.Wherein pretreatment unit includes degreasing unit, filter device, stripping device and extraction equipment, recycling treatment unit includes acid absorption, organic matter absorption and ionic adsorption device, film upgrading unit includes advanced oxidation device, ultrafiltration apparatus and reverse osmosis unit, and it includes Low-salinity waste water MVR vaporising devices and high salinity waste water MVR vaporising devices that MVR, which is concentrated by evaporation unit,.This system can avoid the defect that high COD oil-containings with high salt industrial wastewaters containing acid and heavy metal etc. are difficult to biochemical treatment, valuable constituent sub-prime Resource recoveryization can be utilized and reliably realized zero-emission, the operation management for being conducive to project using Internet of Things remote monitoring diagnostic technology is safeguarded.

Description

A kind of industrial wastewater recycling and zero discharge system
Technical field
The present invention relates to a kind of industrial wastewater recycling and zero discharge systems, especially a kind of to be examined by Internet of Things remote monitoring The industrial wastewater materializing strategy recycling and zero discharge system of disconnected management, belongs to resource and environment filed.
Background technology
Current industrial wastewater pretreatment process is long, complex process, and investment and operating cost are high, and treatment effect is not enough managed Think;Current industrial wastewater No Assets treatment process or recycling treatment are insufficient, waste resource, and processing cost is high;Mesh Film concentration investment and operating cost after preceding industrial wastewater biochemistry is high, seriously polluted, it is difficult to permanent stable operation;Current work Industry waste water such as coal chemical industrial waste water is mainly using the group technology of biochemical plus depth processing after materialized pretreatment, long flow path, energy consumption With processing cost height, effect is unstable, and the waste water evaporation concentration equipment after film concentration mainly uses titanium alloy material heat exchanger, divides Vapour compression machine is centrifuged from device and single-stage high-speed, heat exchange area is small, compressor Wen Sheng and high energy consumption, and investment and operating cost are high It is high;Crystallizer mainly uses titanium alloy material heat exchanger, crystallizer and single-stage high-speed to centrifuge vapour compression machine, cost and energy consumption The COD of height, concentration is difficult to biochemical and oxidation, influences the crystallization of salt and the purity of crystal salt;Current industrial wastewater system empty The early warning of network remote monitoring and diagnosis and fault pre-alarming measure, failure is safeguarded and judges that repair is difficult to accurately and timely.
Invention content
For long, the complex process that solves existing industrial wastewater pretreatment process, investment and operating cost are high, treatment effect Not ideal enough problem, the present invention provides a kind of industrial wastewater recycling and zero discharge systems, including pretreatment unit;Pretreatment Unit includes degreasing unit, elevator pump, filter device, stripping device and extraction equipment;The water outlet of degreasing unit passes through promotion Pump line road is connected to the water inlet of filter device, and the water outlet of filter device is connected to the water inlet of stripping device by pipeline, Stripping device water outlet is connected to the water inlet of extraction equipment.It is simple using above-mentioned pretreating process flow, processing effect can be improved Fruit reduces investment and operating cost, creates favorable conditions for subsequent treatment process.
It is insufficient for current industrial wastewater No Assets treatment process or recycling treatment, resource is wasted, is handled Problem of high cost, as a further limited solution of the present invention, this system further include recycling treatment unit;Recycling treatment Unit includes sour adsorbent equipment, organic matter adsorbent equipment and ionic adsorption device;The water outlet of extraction equipment is connected by pipeline To the water inlet of sour adsorbent equipment, the water outlet of sour adsorbent equipment is connected to the water inlet of organic matter adsorbent equipment by pipeline, The water outlet of organic matter adsorbent equipment is connected to the water inlet of ionic adsorption device by pipeline.It, can using above-mentioned treatment process The valuable resource in waste water is recycled, processing cost is reduced, creates favorable conditions for subsequent treatment process.
It is invested for the film concentration after current industrial wastewater biochemistry and operating cost is high, it is seriously polluted, it is difficult to permanent steady Surely the problem of running, as a further limited solution of the present invention, this system further include film upgrading unit;Film upgrading unit includes Advanced oxidation device, ultrafiltration apparatus and reverse osmosis unit;The water outlet of ionic adsorption device is connected to advanced oxidation by pipeline The water inlet of device, the water outlet of advanced oxidation device are connected to the water inlet of ultrafiltration apparatus by pipeline, and ultrafiltration apparatus goes out The mouth of a river is connected to the water inlet of reverse osmosis unit by pipeline.Using above-mentioned Low-salinity film concentration technology, it is not necessarily to biochemical treatment, is thrown Money is low with operating cost, and contamination resistance is strong, stable, can reduce subsequent treatment process water and investment.
Biochemical plus depth is handled after mainly using materialized pretreatment such as coal chemical industrial waste water for current industrial wastewater Group technology, long flow path, energy consumption and processing cost are high, and effect is unstable, and the waste water evaporation concentration equipment after film concentration is mainly adopted Vapour compression machine is centrifuged with titanium alloy material heat exchanger, separator and single-stage high-speed, heat exchange area is small, compressor Wen Sheng and energy consumption The problems such as height, investment and operating cost are high, as a further limited solution of the present invention, this system further include that MVR evaporations are dense Contracting unit;It includes Low-salinity waste water MVR vaporising devices, high salinity waste water MVR vaporising devices, Low-salinity that MVR, which is concentrated by evaporation unit, Waste water MVR concentrates circulating pump and with high salinity waste water MVR secondary crystallization heat exchangers, Low-salinity waste water MVR vaporising devices include Low-salinity waste water MVR vapor seperators, Low-salinity waste water MVR single-stage radial compressors and Low-salinity waste water MVR evaporating heat exchangers, High salinity waste water MVR vaporising devices include high salinity waste water MVR vapor seperators, high salinity waste water MVR two stage centrifugal compressors With high salinity waste water MVR evaporating heat exchangers;Low-salinity waste water MVR evaporating heat exchangers and high salinity waste water MVR evaporating heat exchangers are equal For doughnut heat exchanger, Low-salinity waste water MVR vapor seperators and high salinity waste water MVR vapor seperators are fiberglass point From device;The concentrated water of reverse osmosis unit is exported is connected to high salinity waste water MVR secondary crystallizations by reverse osmosis concentrated water circulating pump pipeline The water outlet of the water inlet of heat exchanger, high salinity waste water MVR secondary crystallization heat exchangers is connected to Low-salinity waste water MVR by pipeline The water outlet of the water inlet of evaporating heat exchanger, Low-salinity waste water MVR evaporating heat exchangers is connected to Low-salinity waste water MVR by pipeline The liquid outlet of the water inlet of vapor seperator, Low-salinity waste water MVR vapor seperators is recycled by Low-salinity waste water MVR concentrates Pump line road is connected to the inlet of high salinity waste water MVR evaporating heat exchangers, the indirect steam of Low-salinity waste water MVR vapor seperators Outlet is connected to the air intake of Low-salinity waste water MVR single-stage radial compressors, Low-salinity waste water MVR one-stage centrifugal pressures by pipeline The venthole of contracting machine is connected to the air intake of Low-salinity waste water MVR evaporating heat exchangers by pipeline, and high salinity waste water MVR evaporations are changed The liquid outlet of hot device is connected to the inlet of high salinity waste water MVR vapor seperators, high salinity waste water MVR evaporations point by pipeline Indirect steam outlet from device is connected to the air intake of high salinity waste water MVR two stage centrifugal compressors by pipeline, and high salinity is useless The venthole of water MVR two stage centrifugal compressors is connected to the air intake of high salinity waste water MVR evaporating heat exchangers by pipeline.Using Above-mentioned MVR evaporating and concentrating process, eliminates biochemical processing process, and treatment effect is reliable and stable, and evaporation concentration equipment uses non-gold Belong to material, corrosion-resistant fouling performance is good, manufactures material and technological requirement is low, and safety in operation is good, invests, energy low with operation energy consumption It creates favorable conditions for subsequent treatment process, reduces subsequent treatment process water and investment.
Mainly unstable using biochemical effects after materialized pretreatment, the knot for current industrial wastewater such as coal chemical industrial waste water The COD concentrated before brilliant is difficult to biochemical and oxidation, influence salt crystallization and crystal salt purity the problem of, as the present invention into one Limits scheme is walked, this system further includes burning clean unit;It is to burn purification furnace to burn clean unit;High salinity waste water MVR steams The liquid outlet for sending out separator is connected to the inlet for burning purification furnace by high salinity waste water MVR concentrate circulating pump pipelines.It adopts With this process concentrate after high-concentration waste water, can exhaustive oxidation decompose COD, effect stability is reliable, after being conducive to salinity Continuous crystallization and purification and recycling.
Mainly titanium alloy material heat exchanger, crystallizer and single-stage high-speed is used to centrifuge vapour pressure for current crystallizer The problem of contracting machine, cost of investment and high energy consumption, as a further limited solution of the present invention, this system further include MVR sub-prime knots Brilliant unit;MVR sub-prime crystalline elements include high salinity waste water MVR crystallizers, high salinity waste water MVR crystallizations heat exchanger, high salinity Waste water MVR multistage centrifugal compressors, high salinity waste water MVR secondary crystallizations device, high salinity waste water MVR condensers, high salinity waste water MVR secondary crystallizations vacuum pump, secondary crystallization salt separator, secondary crystallization thickener, secondary crystallization salt slurry circulating pump, crystal salt Separator, crystallization thickener, crystallization salt slurry circulating pump and burning purification dissolving salt water circulating pump;High salinity waste water MVR crystallizations Heat exchanger and high salinity waste water MVR secondary crystallization heat exchangers are graphite heat exchanger, high salinity waste water MVR crystallizers and high salinity Waste water MVR secondary crystallization devices are fiberglass crystallizer;The liquid outlet for burning purification furnace purifies dissolving brine recycling by burning Pump line road is connected to the inlet of high salinity waste water MVR crystallization heat exchangers, and the liquid outlet of high salinity waste water MVR crystallization heat exchangers is logical Piping is connected to the inlet of high salinity waste water MVR crystallizers, and the indirect steam outlet of high salinity waste water MVR crystallizers passes through Pipeline is connected to the air intake of high salinity waste water MVR multistage centrifugal compressors, and high salinity waste water MVR multistage centrifugal compressors go out Steam ports is connected to the air intake that high salinity waste water MVR crystallizes heat exchanger, the liquid outlet of high salinity waste water MVR crystallizers by pipeline The inlet of crystallization thickener is connected to by crystallizing salt slurry circulating pump pipeline, the discharge port for crystallizing thickener is connected by pipeline To crystal salt separator, crystallize the liquid outlet of thickener by pipeline be connected to high salinity waste water MVR secondary crystallization devices into The liquid outlet of liquid mouth, high salinity waste water MVR secondary crystallization devices is connected to secondary crystallization by secondary crystallization salt slurry circulating pump pipeline The discharge port of the inlet of thickener, secondary crystallization thickener is connected to secondary crystallization salt separator, secondary knot by pipeline The liquid outlet of brilliant thickener is connected to the inlet that high salinity waste water MVR crystallizes heat exchanger, high salinity waste water MVR bis- by pipeline The indirect steam outlet of secondary crystallizer is connected to the air intake of high salinity waste water MVR secondary crystallization heat exchangers, MVR bis- by pipeline The venthole of secondary crystallization heat exchanger is connected to the air intake of high salinity waste water MVR condensers by pipeline, and high salinity waste water MVR is solidifying The venthole of vapour device is connected to high salinity waste water MVR secondary crystallization vacuum pumps by pipeline.Using above-mentioned sub-prime crystallization processes, steam It sends out crystallizer and uses non-metallic material, corrosion-resistant fouling performance is good, manufacture material, technological requirement and low, the operational safety of investment Property it is good, carnallite sub-prime can be crystallized recycling, reduce harm to environment and harmless treatment expense.
For current industrial wastewater system empty network remote monitoring and diagnosis and fault pre-alarming measure, the early warning of failure is tieed up Shield and judge repair the problem of being difficult to accurately and timely, as a further limited solution of the present invention, this system further include automatic control and Internet of Things remote monitoring diagnostic administrative unit;Automatic control and Internet of Things remote monitoring diagnostic administrative unit include automatic control cabinet, remote Pass thermometer, distance-transmission pressure gauge, chromacoder and remote monitoring terminal;Teletransmission thermometer is mounted on Low-salinity waste water MVR On the inlet pipeline of vapor seperator, distance-transmission pressure gauge is mounted on high salinity waste water MVR vapor seperators;Remote monitoring terminal For remote management center computer or mobile monitoring terminal;Ultrafiltration apparatus, reverse osmosis unit, Low-salinity waste water MVR one-stage centrifugals It is compressor, high salinity waste water MVR two stage centrifugals compressor, high salinity waste water MVR multistage centrifugal compressors, elevator pump, reverse osmosis Concentrated water circulating pump, secondary crystallization salt slurry circulating pump, crystallization salt slurry circulating pump, burns high salinity waste water MVR secondary crystallizations vacuum pump Purification dissolving salt water circulating pump, high salinity waste water MVR concentrates circulating pump, Low-salinity waste water MVR concentrates circulating pump, teletransmission temperature Degree meter and distance-transmission pressure gauge are electrically connected with automatic control cabinet, and chromacoder is to teletransmission thermometer and distance-transmission pressure gauge Parameter is transmitted through the network to remote monitoring terminal so as to remote monitoring diagnostic management after carrying out signal conversion.It is remote using Internet of Things Range monitoring diagnoses administrative skill, is conducive to the long-range operation monitoring of system, and repair is safeguarded and judged in the early warning of failure.
The beneficial effects of the present invention are:(1)This system realizes the money of industrial wastewater using single materialization group technology Source and zero-emission avoid long flow path, energy consumption and the processing cost of biochemical plus depth processing group technology after materialized pretreatment Height, effect is unstable, is difficult to reach the defect of abundant recycling and real zero-emission;(2)Using the materialized pretreatment of this system Technique can be improved treatment effect, reduction investment and operating cost and provide condition for subsequent treatment process;(3)Using this system Recycling treatment process, the valuable resource in recoverable waste water reduce processing cost, item are provided for subsequent treatment process Part;(4)In Low-salinity using the film concentration technology of this system, investment is low with operating cost, and contamination resistance is strong, and operation is steady It is fixed, subsequent treatment process water and investment can be reduced;(5)Using the MVR evaporating and concentrating process of this system, the corrosion-resistant fouling of equipment Performance is good, manufactures material and technological requirement is low, and safety in operation is good, and investment is low with operation energy consumption, can be that subsequent treatment process is created Advantage is made, subsequent treatment process water and investment are reduced;(6)Using the sub-prime crystallization processes of this system, equipment is corrosion-resistant Fouling performance is good, and manufacture material, technological requirement and investment are low, and safety in operation is good, and COD is decomposed by burning exhaustive oxidation, no The crystallization of salt and the purity of crystal salt can be influenced, the recycling of salt is conducive to, reduces processing cost;(7)Using this system Internet of Things remote monitoring diagnostic administrative skill, the early warning of failure safeguards and judges that repair is easy to accomplish accurately and timely.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention.
In figure:1, degreasing unit, 2, filter device, 3, stripping device, 4, extraction equipment, 5, sour adsorbent equipment, 6, organic Object adsorbent equipment, 7, ionic adsorption device, 8, advanced oxidation device, 9, ultrafiltration apparatus, 10, reverse osmosis unit, 11, Low-salinity it is useless Water MVR vapor seperators, 12, teletransmission thermometer, 13, Low-salinity waste water MVR single-stage radial compressors, 14, distance-transmission pressure gauge, 15, high salinity waste water MVR vapor seperators, 16, high salinity waste water MVR two stage centrifugal compressors, 17, burn purification furnace, 18, high Salinity waste water MVR crystallizers, 19, high salinity waste water MVR heat exchangers, 20, high salinity waste water MVR multistage centrifugal compressors, 21, high Salinity waste water MVR secondary crystallization devices, 22, high salinity waste water MVR secondary heat exchangers, 23, high salinity waste water MVR condensers, 24, carry Rise pump, 25, automatic control cabinet, 26, remote monitoring terminal, 27, chromacoder, 28, reverse osmosis concentrated water-circulating pump, 29, high Salinity waste water MVR secondary crystallization vacuum pumps, 30, secondary crystallization salt separator, 31, secondary crystallization thickener, 32, secondary crystallization Salt slurry circulating pump, 33, crystal salt separator, 34, crystallization thickener, 35, crystallization salt slurry circulating pump, 36, burn purification dissolving Salt water circulating pump, 37, high salinity waste water MVR concentrate circulating pumps, 38, high salinity waste water MVR evaporating heat exchangers, 39, Low-salinity Waste water MVR concentrate circulating pumps, 40, Low-salinity waste water MVR evaporating heat exchangers.
Specific implementation mode
As shown in Figure 1, a kind of industrial wastewater recycling and zero discharge system of the present invention, including degreasing unit 1, filtering Device 2, stripping device 3, extraction equipment 4, sour adsorbent equipment 5, organic matter adsorbent equipment 6, ionic adsorption device 7, advanced oxidation Device 8, ultrafiltration apparatus 9, reverse osmosis unit 10, Low-salinity waste water MVR vapor seperators 11, teletransmission thermometer 12, Low-salinity are useless Water MVR single-stage radial compressors 13, distance-transmission pressure gauge 14, high salinity waste water MVR vapor seperators 15, high salinity waste water MVR are bis- Grade centrifugal compressor 16, burn purification furnace 17, high salinity waste water MVR crystallizers 18, high salinity waste water MVR crystallization heat exchanger 19, High salinity waste water MVR multistage centrifugal compressors 20, high salinity waste water MVR secondary crystallizations device 21, high salinity waste water MVR secondary crystallizations Heat exchanger 22, high salinity waste water MVR condensers 23, elevator pump 24, automatic control cabinet 25, remote monitoring terminal 26, signal conversion Device 27, reverse osmosis concentrated water-circulating pump 28, high salinity waste water MVR secondary crystallizations vacuum pump 29, secondary crystallization salt separator 30, Secondary crystallization thickener 31, secondary crystallization salt slurry circulating pump 32, crystal salt separator 33, crystallization thickener 34, crystallization salt slurry Circulating pump 35 burns purification dissolving salt water circulating pump 36, high salinity waste water MVR concentrates circulating pump 37, high salinity waste water MVR steamings Send out heat exchanger 38, Low-salinity waste water MVR concentrates circulating pump 39 and Low-salinity waste water MVR evaporating heat exchangers 40.
The water outlet of degreasing unit 1 is connected to the water inlet of filter device 2 by 24 pipeline of elevator pump, filter device 2 Water outlet is connected to the water inlet of stripping device 3 by pipeline, and 3 water outlet of stripping device is connected to the water inlet of extraction equipment 4, The water outlet of extraction equipment 4 is connected to 5 water inlet of sour adsorbent equipment of recycling treatment unit, sour adsorbent equipment 5 by pipeline Water outlet the water inlet of organic matter adsorbent equipment 6 is connected to by pipeline, the water outlet of organic matter adsorbent equipment 6 passes through pipeline It is connected to the water inlet of ionic adsorption device 7, the water outlet of ionic adsorption device 7 is connected to advanced oxidation device 8 by pipeline Water inlet, the water outlet of advanced oxidation device 8 is connected to the water inlet of ultrafiltration apparatus 9, the water outlet of ultrafiltration apparatus 9 by pipeline Mouth is connected to the water inlet of reverse osmosis unit 10 by pipeline, and the concentrated water outlet of reverse osmosis unit 10 is recycled by reverse osmosis concentrated water Pump the water inlet that 28 pipelines are connected to high salinity waste water MVR secondary crystallizations heat exchanger 22, the heat exchange of high salinity waste water MVR secondary crystallizations The water outlet of device 22 is connected to the water inlet of Low-salinity waste water MVR evaporating heat exchangers 40, the MVR evaporations of Low-salinity waste water by pipeline The water outlet of heat exchanger 40 is connected to the water inlet of Low-salinity waste water MVR vapor seperators 11, teletransmission thermometer 12 by pipeline On the inlet pipeline of Low-salinity waste water MVR vapor seperators 11, the liquid outlet of Low-salinity waste water MVR vapor seperators 11 The inlet of high salinity waste water MVR evaporating heat exchangers 38 is connected to by 39 pipeline of Low-salinity waste water MVR concentrates circulating pump, it is low The indirect steam outlet of salinity waste water MVR vapor seperators 11 is connected to the compression of Low-salinity waste water MVR one-stage centrifugals by pipeline The venthole of the air intake of machine 13, Low-salinity waste water MVR single-stage radial compressors 13 is connected to Low-salinity waste water MVR by pipeline The air intake of evaporating heat exchanger 40, the liquid outlet of high salinity waste water MVR evaporating heat exchangers 38 are connected to high salinity by pipeline and give up The indirect steam outlet of the inlet of water MVR vapor seperators 15, high salinity waste water MVR vapor seperators 15 is connected by pipeline To the air intake of high salinity waste water MVR two stage centrifugals compressor 16, the venthole of high salinity waste water MVR two stage centrifugals compressor 16 The air intake of high salinity waste water MVR evaporating heat exchangers 38 is connected to by pipeline, high salinity waste water MVR vapor seperators 15 go out Liquid mouth is connected to the inlet for burning clean unit 17, teletransmission pressure by 37 pipeline of high salinity waste water MVR concentrates circulating pump Table 14 is mounted on high salinity waste water MVR vapor seperators 15, burns the liquid outlet of clean unit 17 by burning purification dissolving 36 pipeline of salt water circulating pump is connected to the inlet of high salinity waste water MVR crystallization heat exchangers 19, high salinity waste water MVR crystallization heat exchange The liquid outlet of device 19 is connected to the inlet of high salinity waste water MVR crystallizers 18, high salinity waste water MVR crystallizers 18 by pipeline Indirect steam outlet the air intakes of high salinity waste water MVR multistage centrifugal compressors 20, high salinity waste water are connected to by pipeline The venthole of MVR multistage centrifugal compressors 20 is connected to the air intake that high salinity waste water MVR crystallizes heat exchanger 19 by pipeline, high The liquid outlet of salinity waste water MVR crystallizers 18 is connected to the feed liquor of crystallization thickener 34 by crystallizing 35 pipeline of salt slurry circulating pump Mouthful, the discharge port for crystallizing thickener 34 is connected to crystal salt separator 33 by pipeline, and the liquid outlet of crystallization thickener 34 is logical Piping is connected to the inlet of high salinity waste water MVR secondary crystallizations device 21, and high salinity waste water MVR secondary crystallizations device 21 goes out liquid Mouth is connected to the inlet of secondary crystallization thickener 31, secondary crystallization thickener 31 by 32 pipeline of secondary crystallization salt slurry circulating pump Discharge port secondary crystallization salt separator 30 is connected to by pipeline, the liquid outlet of secondary crystallization thickener 31 is connected by pipeline It is connected to the inlet of high salinity waste water MVR crystallization heat exchangers 19, the indirect steam outlet of high salinity waste water MVR secondary crystallizations device 21 The air intake of high salinity waste water MVR secondary crystallizations heat exchanger 22 is connected to by pipeline, MVR secondary crystallizations heat exchanger 22 goes out vapour Mouth is connected to the air intake of high salinity waste water MVR condensers 23 by pipeline, and the venthole of high salinity waste water MVR condensers 23 is logical Piping is connected to high salinity waste water MVR secondary crystallizations vacuum pump 29;Ultrafiltration apparatus 9, reverse osmosis unit 10, Low-salinity waste water MVR single-stage radial compressors 13, high salinity waste water MVR two stage centrifugals compressor 16, high salinity waste water MVR multistage centrifugal compressors 20, elevator pump 24, reverse osmosis concentrated water-circulating pump 28, high salinity waste water MVR secondary crystallizations vacuum pump 29, secondary crystallization salt slurry cycle Pump 32, crystallization salt slurry circulating pump 35 burn purification dissolving salt water circulating pump 36, are high salinity waste water MVR concentrates circulating pump 37, low Salinity waste water MVR concentrates circulating pump 39, teletransmission thermometer 12 and distance-transmission pressure gauge 14 are electrically connected with automatic control cabinet 25. Chromacoder 27 is transmitted through the network to after carrying out signal conversion to the parameter of teletransmission thermometer 12 and distance-transmission pressure gauge 14 Remote monitoring terminal 26 is so as to remote monitoring diagnostic management.
Wherein, Low-salinity waste water MVR evaporating heat exchangers 40 and high salinity waste water MVR evaporating heat exchangers 38 are doughnut Heat exchanger, Low-salinity waste water MVR vapor seperators 11 and high salinity waste water MVR vapor seperators 15 are fiberglass separator; High salinity waste water MVR crystallization heat exchangers 19 and high salinity waste water MVR secondary crystallizations heat exchanger 22 are graphite heat exchanger, high salinity Waste water MVR crystallizers 18 and high salinity waste water MVR secondary crystallizations device 21 are fiberglass crystallizer.
At work, waste water enters industrial wastewater recycling and zero discharge system of the present invention after water quality and quantity is adjusted Degreasing unit 1, which removes, to enter filter device 2 through elevator pump 24 after oil slick, dispersed oil and part oil emulsion, remove suspended matter and Oil emulsion enters stripping device 3 and removes ammonia nitrogen, subsequently into 4 separating phenols substance of extraction equipment, through treated waste water Enter organic matter adsorbent equipment 6 after removing acidity into sour adsorbent equipment 5 and remove resourcebility organic matter, is inhaled subsequently into ion Adsorption device 7 removes valuable metal ions.For the lower waste water of COD concentration, it is introduced into advanced oxidation device 8 and removes COD, through super Filter and enter 10 initial concentration of reverse osmosis unit after device 9, the water outlet of reverse osmosis unit 10 can reuse, concentrated water enters Low-salinity waste water MVR vaporising devices further concentrate, effluent reuse to production line, and concentrated water enters high salinity waste water MVR vaporising devices and concentrates again, goes out To production line, the concentrated water containing carnallite enters 18 evaporative crystallization of high salinity waste water MVR crystallizers, is isolated in higher temperature for water reuse Enter 21 Crystallization Separation another kind salinity of secondary crystallization device after one of which salinity, to reach the mesh that carnallite purifies recycling 's.For the higher waste water of COD concentration, Low-salinity waste water MVR vaporising devices and high salinity waste water MVR evaporation dresses can be directly entered Concentration is set, concentrated water, which enters, burns the burning removal of clean unit 17 COD, enters high salinity waste water after remaining carnallite dissolving It is another to enter 21 Crystallization Separation of secondary crystallization device after higher temperature isolates one of which salinity for 18 evaporative crystallization of MVR crystallizers A kind of salinity substitutes the biochemical plus depth treatment process for being difficult to stable operation to achieve the purpose that carnallite purifies recycling.
Automatic control cabinet 25 receives the parameter signal of teletransmission thermometer 12 and distance-transmission pressure gauge 14, and to ultrafiltration apparatus 9, anti- Permeability apparatus 10, Low-salinity waste water MVR single-stage radial compressors 13, high salinity waste water MVR two stage centrifugals compressor 16, high salinity Waste water MVR multistage centrifugal compressors 20, elevator pump 24, reverse osmosis concentrated water-circulating pump 28, high salinity waste water MVR secondary crystallization vacuum Pump 29, high salinity waste water MVR crystallizations vacuum pump 33, crystallization salt slurry circulating pump 36, burns purification at secondary crystallization salt slurry circulating pump 32 Dissolve salt water circulating pump 37, high salinity waste water MVR concentrates circulating pump 38 and Low-salinity waste water MVR concentrates circulating pump 39 Operation carries out automatically controlling, and coordinates each equipment work well, chromacoder 26 is to teletransmission thermometer 12, distance-transmission pressure gauge 14 Parameter carry out signal conversion after be transmitted through the network to remote monitoring terminal 27 in order to remote monitoring diagnostic management.

Claims (4)

1. a kind of industrial wastewater recycling and zero discharge system, it is characterised in that:Including pretreatment unit;Pretreatment unit includes removing Oily device (1), elevator pump (24), filter device (2), stripping device (3) and extraction equipment (4);The water outlet of degreasing unit (1) The water inlet of filter device (2) is connected to by elevator pump (24) pipeline, the water outlet of filter device (2) is connected to by pipeline The water inlet of stripping device (3), stripping device (3) water outlet are connected to the water inlet of extraction equipment (4);
It further include recycling treatment unit;Recycling treatment unit include sour adsorbent equipment (5), organic matter adsorbent equipment (6) and Ionic adsorption device (7);The water outlet of extraction equipment (4) is connected to the water inlet of sour adsorbent equipment (5), acid absorption by pipeline The water outlet of device (5) is connected to the water inlet of organic matter adsorbent equipment (6) by pipeline, and organic matter adsorbent equipment (6) go out The mouth of a river is connected to the water inlet of ionic adsorption device (7) by pipeline;
It further include film upgrading unit;Film upgrading unit includes advanced oxidation device (8), ultrafiltration apparatus (9) and reverse osmosis unit (10);The water outlet of ionic adsorption device (7) is connected to the water inlet of advanced oxidation device (8), advanced oxidation dress by pipeline The water outlet for setting (8) is connected to the water inlet of ultrafiltration apparatus (9) by pipeline, and the water outlet of ultrafiltration apparatus (9) is connected by pipeline It is connected to the water inlet of reverse osmosis unit (10);
Further include that MVR is concentrated by evaporation unit;It includes Low-salinity waste water MVR vaporising devices, high salinity waste water that MVR, which is concentrated by evaporation unit, MVR vaporising devices, Low-salinity waste water MVR concentrates circulating pump (39) and high salinity waste water MVR secondary crystallizations heat exchanger (22);It is low Salinity waste water MVR vaporising devices include Low-salinity waste water MVR vapor seperators (11), the compression of Low-salinity waste water MVR one-stage centrifugals Machine (13) and Low-salinity waste water MVR evaporating heat exchangers (40);High salinity waste water MVR vaporising devices include that high salinity waste water MVR steams Send out separator (15), high salinity waste water MVR two stage centrifugals compressor (16) and high salinity waste water MVR evaporating heat exchangers (38);It is low Salinity waste water MVR evaporating heat exchangers (40) and high salinity waste water MVR evaporating heat exchangers (38) are doughnut heat exchanger, less salt It is fiberglass separator to spend waste water MVR vapor seperators (11) and high salinity waste water MVR vapor seperators (15);Reverse osmosis dress The concentrated water outlet for setting (10) is connected to high salinity waste water MVR secondary crystallization heat exchangers by reverse osmosis concentrated water-circulating pump (28) pipeline (22) water outlet of water inlet, high salinity waste water MVR secondary crystallizations heat exchanger (22) is connected to Low-salinity waste water by pipeline The water inlet of MVR evaporating heat exchangers (40), the water outlets of Low-salinity waste water MVR evaporating heat exchangers (40) are connected to low by pipeline The liquid outlet of the water inlet of salinity waste water MVR vapor seperators (11), Low-salinity waste water MVR vapor seperators (11) passes through less salt Degree waste water MVR concentrates circulating pump (39) pipeline is connected to the inlet of high salinity waste water MVR evaporating heat exchangers (38), Low-salinity The indirect steam of waste water MVR vapor seperators (11) is exported is connected to Low-salinity waste water MVR single-stage radial compressors by pipeline (13) venthole of air intake, Low-salinity waste water MVR single-stage radial compressors (13) is connected to Low-salinity waste water by pipeline The air intake of MVR evaporating heat exchangers (40), the liquid outlets of high salinity waste water MVR evaporating heat exchangers (38) are connected supreme by pipeline The indirect steam outlet of the inlet of salinity waste water MVR vapor seperators (15), high salinity waste water MVR vapor seperators (15) is logical Piping is connected to the air intake of high salinity waste water MVR two stage centrifugals compressor (16), the compression of high salinity waste water MVR two stage centrifugals The venthole of machine (16) is connected to the air intake of high salinity waste water MVR evaporating heat exchangers (38) by pipeline.
2. a kind of industrial wastewater recycling and zero discharge system according to claim 1, it is characterised in that:Further include burning only Change unit;It is to burn purification furnace (17) to burn clean unit;The liquid outlet of high salinity waste water MVR vapor seperators (15) passes through height Salinity waste water MVR concentrates circulating pump (37) pipeline is connected to the inlet for burning purification furnace (17).
3. a kind of industrial wastewater recycling and zero discharge system according to claim 2, it is characterised in that:It further include MVR points Matter crystalline element;MVR sub-prime crystalline elements include high salinity waste water MVR crystallizers (18), high salinity waste water MVR crystallization heat exchangers (19), high salinity waste water MVR multistage centrifugal compressors (20), high salinity waste water MVR secondary crystallizations device (21), high salinity waste water MVR condensers (23), high salinity waste water MVR secondary crystallizations vacuum pump (29), secondary crystallization salt separator (30), secondary crystallization Thickener (31), secondary crystallization salt slurry circulating pump (32), crystal salt separator (33), crystallization thickener (34), crystallization salt slurry Circulating pump (35) and burning purification dissolving salt water circulating pump (36);High salinity waste water MVR crystallization heat exchangers (19) and high salinity are useless Water MVR secondary crystallizations heat exchanger (22) is graphite heat exchanger, high salinity waste water MVR crystallizers (18) and high salinity waste water MVR Secondary crystallization device (21) is fiberglass crystallizer;The liquid outlet for burning purification furnace (17) purifies dissolving brine recycling by burning Pump (36) pipeline is connected to the inlet of high salinity waste water MVR crystallization heat exchangers (19), and high salinity waste water MVR crystallizes heat exchanger (19) liquid outlet is connected to the inlet of high salinity waste water MVR crystallizers (18), high salinity waste water MVR crystallizers by pipeline (18) indirect steam outlet is connected to the air intake of high salinity waste water MVR multistage centrifugal compressors (20) by pipeline, with high salt The venthole of degree waste water MVR multistage centrifugal compressors (20) is connected to high salinity waste water MVR by pipeline and crystallizes heat exchanger (19) Air intake, the liquid outlets of high salinity waste water MVR crystallizers (18) is connected to crystallization by crystallizing salt slurry circulating pump (35) pipeline The discharge port of the inlet of thickener (34), crystallization thickener (34) is connected to crystal salt separator (33) by pipeline, ties The liquid outlet of brilliant thickener (34) is connected to the inlet of high salinity waste water MVR secondary crystallizations device (21), high salinity by pipeline The liquid outlet of waste water MVR secondary crystallizations device (21) is connected to secondary crystallization stiff by secondary crystallization salt slurry circulating pump (32) pipeline The discharge port of the inlet of device (31), secondary crystallization thickener (31) is connected to secondary crystallization salt separator by pipeline (30), the liquid outlet of secondary crystallization thickener (31) by pipeline be connected to high salinity waste water MVR crystallize heat exchanger (19) into Liquid mouth, the indirect steam of high salinity waste water MVR secondary crystallizations device (21) is exported is connected to high salinity waste water MVR bis- times by pipeline The air intake of heat exchanger (22) is crystallized, the venthole of MVR secondary crystallizations heat exchanger (22) is connected to high salinity waste water by pipeline The venthole of the air intake of MVR condensers (23), high salinity waste water MVR condensers (23) is connected to high salinity waste water by pipeline MVR secondary crystallizations vacuum pump (29).
4. a kind of industrial wastewater recycling and zero discharge system according to claim 3, it is characterised in that:Further include automatic control and Internet of Things remote monitoring diagnostic administrative unit;Automatic control and Internet of Things remote monitoring diagnostic administrative unit include automatic control cabinet (25), teletransmission thermometer (12), distance-transmission pressure gauge (14), chromacoder (27) and remote monitoring terminal (26);Teletransmission temperature Degree meter (12) is mounted on the inlet pipeline of Low-salinity waste water MVR vapor seperators (11), and distance-transmission pressure gauge (14) is mounted on height On salinity waste water MVR vapor seperators (15);Remote monitoring terminal (26) is that remote management center computer or mobile monitor are whole End;Ultrafiltration apparatus (9), reverse osmosis unit (10), Low-salinity waste water MVR single-stage radial compressors (13), high salinity waste water MVR are bis- Grade centrifugal compressor (16), high salinity waste water MVR multistage centrifugal compressors (20), elevator pump (24), reverse osmosis concentrated water-circulating pump (28), high salinity waste water MVR secondary crystallizations vacuum pump (29), secondary crystallization salt slurry circulating pump (32), crystallization salt slurry circulating pump (35), it is dense that purification dissolving salt water circulating pump (36), high salinity waste water MVR concentrates circulating pump (37), Low-salinity waste water MVR are burned Contracting liquid circulating pump (39), teletransmission thermometer (12) and distance-transmission pressure gauge (14) are electrically connected with automatic control cabinet (25), signal Conversion equipment (27) passes through network transmission after carrying out signal conversion to the parameter of teletransmission thermometer (12) and distance-transmission pressure gauge (14) To remote monitoring terminal (26).
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