CN102285734A - Comprehensive treatment device of low-concentration wastewater - Google Patents
Comprehensive treatment device of low-concentration wastewater Download PDFInfo
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- CN102285734A CN102285734A CN 201110150413 CN201110150413A CN102285734A CN 102285734 A CN102285734 A CN 102285734A CN 201110150413 CN201110150413 CN 201110150413 CN 201110150413 A CN201110150413 A CN 201110150413A CN 102285734 A CN102285734 A CN 102285734A
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Abstract
The invention relates to a comprehensive treatment device of low-concentration wastewater. The comprehensive treatment device of low-concentration wastewater at least comprises a wastewater pre-treatment tank, a medium-and low-pressure reverse osmosis membrane treatment tank with operation pressure of 1-4 MPa, a high-pressure reverse osmosis membrane treatment tank with operation pressure of 7-20 MPa and an electrochemical treatment tank, wherein a municipal or industrial wastewater pipeline is connected to the inlet of the wastewater pre-treatment tank; the wastewater outlet of the wastewater pre-treatment tank is connected with the inlet of the medium-and low-pressure reverse osmosis membrane treatment tank through a pipeline; the purified water outlet of the medium-and low-pressure reverse osmosis membrane treatment tank is connected with a municipal or industrial reclaimed water pipeline; the wastewater outlet of the medium-and low-pressure reverse osmosis membrane treatment tank is separately connected with the inlet of the electrochemical treatment tank and the inlet of the high-pressure reverse osmosis membrane treatment tank; and the first wastewater outlet of the high-pressure reverse osmosis membrane treatment tank is connected with the inlet of the electrochemical treatment tank. The comprehensive treatment device of low-concentration wastewater provided by the invention can be used for treating wastewater at low cost and high efficiency to maximally reduce the water environmental pollution.
Description
Technical field
The present invention relates to a kind of waste disposal plant, especially a kind of low concentration wastewater Integrated Processing Unit.
Background technology
The common water yield of productive life low concentration wastewater is big, pollutant load is low, possesses reusable economy, be divided into the sanitary sewage that focuses on via city domestic sewage treatment plant, or the industrial sewage treatment plant comprehensive trade effluent from production technique handled, comprehensive trade effluent comes from such as chemical enterprises such as oil recovery, oil refining, petrochemical industry, electric power, metallurgy, automobile, shipbuilding, plating, printed circuit board (PCB), dyeing and weaving and pharmacy, plastics, chemical fibres.Usually specific conductivity is in 1-10 milli Siemens/cm, chemical oxygen demand (COD)＜1000 mg/litre, the sewage of ammonia nitrogen＜100 mg/litre, the productive life waste water that pollution concentration is lower enters biochemical treatment factory and office reason effluent standard usually, biochemical processing process mainly is divided into three ranks, and the processing emphasis is an one-level: reinforced deposition; Secondary: strengthen decarburization; Three grades: denitrogenation dephosphorizing.What generally adopt now is tertiary treatment technology on one-level secondary basis.
The main difficult point of tertiary treatment technology is denitrogenation, because the denitrogenation in the ordinary student metallization processes realizes by nitrated-denitrification, nitration processes need expend a large amount of oxygen the ammonia-state nitrogen in the waste water is oxidized to nitric nitrogen by nitrobacteria, under anaerobic state, be nitrogen with nitrate-nitrogen reduction then by denitrifying bacterium, owing under good oxygen condition, consumed a large amount of carbon sources, and often face carbon source at the denitrification state, the basicity deficiency, can't provide enough nutrient reduction nitrogen for denitrifying bacterium, three grades of biochemical process of great majority need add carbon source (being generally methyl alcohol), and basicity is replenished.This contradiction makes that the tertiary treatment technical process is long, and efficient is low, expends a large amount of energy.
Three grades of qualified discharge water can reuse, can be directly used in greening as middle water, spray, water coolant also can be used for more high-grade productive life water for high-grade water by conventional membrane process purification, but adopt conventional membrane technique to face a contradiction, the waste water water yield that is exactly the purification generation is big, and the concentration height often becomes another source of pollution, to pollute required investment very big and administer this part, offset the economic benefit that the water recycling is brought.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of low concentration wastewater Integrated Processing Unit, to reduce or to avoid problem noted earlier.
Specifically, the invention provides a kind of low concentration wastewater Integrated Processing Unit, described low concentration wastewater Integrated Processing Unit comprises the Wastewater Pretreatment pond at least, the mesolow reverse osmosis membrane processing jar that working pressure is the 1-4 MPa, a high pressure reverse osmosis membrane processing jar and the electrochemical processing cell that working pressure is the 7-20 MPa, wherein, municipal administration or trade effluent pipeline insert the inlet in described Wastewater Pretreatment pond, the wastewater outlet in described Wastewater Pretreatment pond is connected by the inlet of pipeline with described mesolow reverse osmosis membrane processing jar, the treated water outlet of described mesolow reverse osmosis membrane processing jar connects municipal administration or industrial intermediate water pipeline, and the wastewater outlet of described mesolow reverse osmosis membrane processing jar connects the inlet of described electrochemical processing cell and the inlet of described high pressure reverse osmosis membrane processing jar respectively.
Preferably, described low concentration wastewater Integrated Processing Unit further comprises the condensing crystal jar, and the inlet of described condensing crystal jar is connected with second wastewater outlet of described high pressure reverse osmosis membrane processing jar.
Preferably, first wastewater outlet of described high pressure reverse osmosis membrane processing jar connects the inlet of described electrochemical processing cell, and the wastewater outlet of described electrochemical processing cell connects described condensing crystal jar.
Preferably, described low concentration wastewater Integrated Processing Unit further comprises sludge treatment mechanism, the sludge outlet in described Wastewater Pretreatment pond is connected with described sludge treatment mechanism, and the wastewater outlet of described sludge treatment mechanism inserts the inlet in described Wastewater Pretreatment pond by pipeline.
Preferably, described low concentration wastewater Integrated Processing Unit further comprises steam boiler, described Wastewater Pretreatment pond further comprises a biochemistry pool that generates described methane waste product, and the methane waste product outlet of the methane waste product outlet in described Wastewater Pretreatment pond and described sludge treatment mechanism is respectively by the pipe connection roasting kiln of described steam boiler extremely.
Preferably, the vapour outlet of described steam boiler by pipe connection to described condensing crystal jar.
Preferably, described low concentration wastewater Integrated Processing Unit further comprises thermal power generation mechanism, and the methane waste product outlet of outlet of the methane waste product in described Wastewater Pretreatment pond and described sludge treatment mechanism is respectively by the extremely described thermal power generation of pipe connection mechanism.
A kind of low concentration wastewater Integrated Processing Unit provided by the invention, after the low concentration wastewater processing that productive life produced, it can be purified recovery more than 90%, remaining concentrated waste water can directly be handled qualified discharge, also can generate the solid state crystallization security landfill, the excess sludge that produces in the described low concentration wastewater Integrated Processing Unit working process can be treated to solid and come security landfill, thereby can realize zero release.
In addition, the methane gas that generates in described low concentration wastewater Integrated Processing Unit working process also can be used for taking place the driving heat source of steam as crystallizer, also can be used for generating, has effectively saved the demand of described low concentration wastewater Integrated Processing Unit to the energy.
Described low concentration wastewater Integrated Processing Unit has solved the handling problem of conventional three grades of wastewater treatment denitrogenation difficult problems and the dense water of conventional membrane sepn reuse technology, by with water source, thermal source, comprehensive utilization of energy, reach low-cost high-efficiency and handle waste water, reduce the target of water environment pollution to greatest extent.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein,
Fig. 1 shows is structural representation according to the low concentration wastewater Integrated Processing Unit of a specific embodiment of the present invention;
Fig. 2 has shown an improved embodiment on the basis of Fig. 1;
Fig. 3 has shown an improved embodiment on the basis of Fig. 2;
Fig. 4 has shown an improved embodiment on the basis of Fig. 3.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label, and the arrow among the figure is used to represent the throughput direction of ducted gas, liquid or solidliquid mixture.
Fig. 1 shows is structural representation according to the low concentration wastewater Integrated Processing Unit of a specific embodiment of the present invention; Low concentration wastewater Integrated Processing Unit 1 as shown in the figure can be used for the low concentration wastewater of municipal administration or 2 discharges of trade effluent pipeline is handled, and the middle water of producing purposes such as can being directly used in cleaning, water coolant flows to municipal administration or industrial intermediate water pipeline 3.Described low concentration wastewater Integrated Processing Unit 1 comprises Wastewater Pretreatment pond 11 at least, the mesolow reverse osmosis membrane processing jar 128 that working pressure is the 1-4 MPa, a high pressure reverse osmosis membrane processing jar 129 and the electrochemical processing cell 13 that working pressure is the 7-20 MPa, wherein, municipal administration or trade effluent pipeline 2 insert the inlet 111 in described Wastewater Pretreatment pond 11, the wastewater outlet 112 in described Wastewater Pretreatment pond 11 is connected by the inlet of pipeline with described mesolow reverse osmosis membrane processing jar 128, the treated water outlet of described mesolow reverse osmosis membrane processing jar 128 connects municipal administration or industrial intermediate water pipeline 3, and the wastewater outlet of described mesolow reverse osmosis membrane processing jar 128 connects the inlet 131 of described electrochemical processing cell 13 and the inlet of described high pressure reverse osmosis membrane processing jar 129 respectively.
Can comprise thickness barrier, settling tank and biochemistry pool etc. in the described Wastewater Pretreatment pond 11, be mainly used in low concentration wastewater is carried out pre-treatment, for example, can carry out the de-carbon biochemical treatment, remove chemical oxygen demand (COD) and suspended substance in the low concentration wastewater by Wastewater Pretreatment pond 11.After the low concentration wastewater inlet 111 of low concentration wastewater in municipal administration or the trade effluent pipeline 2 by described Wastewater Pretreatment pond 11 enters described Wastewater Pretreatment pond 11, can pass through coarse rack, fine fack deslagging and eddy current settling pit sediment outflow, so just can remove solids and oils such as the rubbish that influences biochemical treatment in the sewage and sand grains, pollutents such as sand class are in the only more remaining waste water of deleterious, invisible organic pollutants after processing; Can remove the suspended matter that is deposited in the described low concentration wastewater by settling tank afterwards; Can also utilize the microbiological deterioration organic pollutant by biochemistry pool, make organic pollutant by the saprophytic bacteria metabolism, be converted into organic acid, be methane and carbonic acid gas by anaerobic methanogen degraded organic acid then, to dispose all kinds of pollution substances in the sewage, further described low concentration wastewater is carried out carbon removal treatment.
Discharge via wastewater outlet 112 through the waste water after 11 processing of described Wastewater Pretreatment pond, go into described mesolow reverse osmosis membrane processing jar 128 by pipe-line transportation, utilization is under the effect that is higher than solution osmotic pressure, and other materials can not see through the principle of semi-permeable membranes, and these materials and water sepn are come.Therefore the membrane pore size of the reverse osmosis membrane of described mesolow reverse osmosis membrane processing jar 128 is very little, can remove dissolved salts in the water, colloid, microorganism, organism etc. effectively.Working pressure is that the mesolow reverse osmosis membrane processing jar 128 of 1-4 MPa adopts conventional mesolow reverse osmosis membrane technology, can make through the waste water after 11 processing of described Wastewater Pretreatment pond and be cleaned with the 90% above rate of recovery, water body after the purification is for can be used as water coolant, rinse water, the middle water of high quality purposes such as boiler feed water enters municipal administration or industrial intermediate water pipeline 3 via the treated water outlet of described mesolow reverse osmosis membrane processing jar 128.
Handle the concentrated waste water of residue that the back generates through described mesolow reverse osmosis membrane processing jar 128, can carry to described electrochemical processing cell 13, handle back up to standard discharging via first wastewater outlet 1281 of described mesolow reverse osmosis membrane processing jar 128.
Locality method rule are when saltiness has requirement in the waste discharge, working pressure is that the high pressure reverse osmosis membrane processing jar 129 of 7-20 MPa can further purify the concentrated waste water of residue of handling the back generation through described mesolow reverse osmosis membrane processing jar 128, purifying waste water of described high pressure reverse osmosis membrane processing jar 129 can enter municipal administration or industrial intermediate water pipeline 3, all the other waste water are concentrated by high pressure, make the highly enriched waste water after the processing become the high-salt wastewater of specific conductivity more than 100 milli Siemens/cm, reach zero liquid discharge thereby be beneficial to follow-up solidification treatment.
Used reverse osmosis membrane can adopt existing commercially available product among the present invention, and its structure and principle are known, no longer describes in detail.The technology contents relevant with reverse osmosis membrane can be with reference to US 5,250,185 A or US6, the description among 537,456 B2.
Membrane module in the above-mentioned reverse-osmosis treated jar can be selected the tubular fibre (HF) or the coiled reverse osmosis membrane (TFC) of standard for use, also can select butterfly tubular type reverse osmosis membrane (DTRO) etc. for use.
Further import electrochemical processing cell 13 through the residue waste water that described mesolow reverse osmosis membrane processing jar 128 generates.Described electrochemical processing cell 13 can use the amounts of residual contamination do in the described residue waste water of the strong oxidizer oxidation that can produce a large amount of hydroxy radical qiaos, hydroxy radical qiao can the direct oxidation organism, generate carbonic acid gas and water, its reaction formula is: (HO)+and organism → CO2+H2O+H-+e-, this reaction can also indirect reaction generate hydrogen peroxide, the synchronous degradation of contaminant of strong oxidizers such as ozone simultaneously.Described electrochemical processing cell 13 can also comprise a chemical dephosphorization device, is used for degrading concentrating the phosphorus element content of waste water, can be up to standard after finally making waste water processed, and drain into municipal drainage pipeline 4 via the water port 132 of described electrochemical processing cell 13.Used electrochemical process for treating is a general knowledge known in this field among the present invention, no longer describes in detail at this.The technology contents relevant with electrochemical process for treating can be with reference to US 5,399, the description among 247 A.
Fig. 2 has shown an improved embodiment on the basis of Fig. 1, as shown in Figure 2, on basis embodiment illustrated in fig. 1, low concentration wastewater Integrated Processing Unit 1 shown in Figure 2 further comprises condensing crystal jar 14, and the inlet 141 of described condensing crystal jar 14 is connected with second wastewater outlet 1292 of described high pressure reverse osmosis membrane processing jar 129.
That is to say, on Fig. 1 basis, after described high pressure reverse osmosis membrane processing jar 129 processing, if the high-salt wastewater of the specific conductivity of producing more than 100 milli Siemens/cm reaches the crystallization treatment standard, then can select as shown in Figure 2, residue after described high pressure reverse osmosis membrane processing jar 129 is handled concentrates waste water and discharges by second wastewater outlet 1292, enters described condensing crystal jar 14 via the inlet 141 of pipeline by described condensing crystal jar 14 and further handles.
Described condensing crystal jar 14 concentrates the waste water evaporative crystallization with described residue, can will enter municipal administration or industrial intermediate water pipeline 3 after the cooling of the moisture evaporation in the waste water, handle the remaining solid matter in back and can carry out landfill, thereby can reduce pollution to greatest extent, realize the zero release of waste water for environment.Described condensing crystal jar 14 can comprise a pump feed evaporator, it utilizes recycle pump that concentrated waste water is circulated, the concentrated circulation velocity of waste water in heating tube within 1-3 meter per second scope, avoided formation fouling of ebullient fluid or generation crystallization on hot face usually.When circulation thickened waste current over-heat-exchanger, be heated, when the pressure of separator reduces, partly evaporate then, thereby thickened waste is water-cooled to the boiling temperature under should pressure.In crystallization was used, crystal can be by regulating circulation flow rate and adopting special separator designs to separate from circulation crystal mud.
In a preferred embodiment, first wastewater outlet 1291 of described high pressure reverse osmosis membrane processing jar 129 connects the inlet 131 of described electrochemical processing cell 13, and the wastewater outlet 133 of described electrochemical processing cell 13 connects described condensing crystal jar 14.Described wastewater outlet 133 is by the inlet 141 of the described condensing crystal jar 14 of pipe connection.
If do not reach the crystallization standard via the waste water after described high pressure reverse osmosis membrane processing jar 129 processing, then can enter described electrochemical processing cell 13 from first wastewater outlet 1291 of described high pressure reverse osmosis membrane processing jar 129, reach after the crystallization standard inlet 141 that enters described condensing crystal jar 14 by described wastewater outlet 133 through electrochemical treatment and carry out evaporation process, in addition, failing to handle the waste water that reaches emission standard in the described electrochemical processing cell 13 also can be transported to described condensing crystal jar 14 and carry out evaporation process, thereby can will enter municipal administration or industrial intermediate water pipeline 3 after the cooling of the moisture evaporation in the waste water, handle the remaining solid matter in back and can carry out landfill, thereby can reduce pollution to greatest extent, realize the zero release of waste water for environment.
Embodiment illustrated in fig. 2 and key distinction Fig. 1 is, in Fig. 1, through the waste liquid qualified discharge after can directly entering electrochemical processing cell 13 decomposing pollutant after the reverse osmosis concentration after 11 processing of described Wastewater Pretreatment pond.And among Fig. 2, the waste liquid after handle in Wastewater Pretreatment pond 11 reaches the crystallization standard just can directly enter crystallizer 14 after reverse osmosis concentration; If do not reach the crystallization standard, can be earlier handle entering crystallizer 14 again after reaching the crystallization standard by electrochemical processing cell 13, produce solid and be used for landfill, realize wastewater zero discharge.
Rest part embodiment illustrated in fig. 2 and embodiment illustrated in fig. 1 identical is given unnecessary details no longer one by one at this.
Fig. 3 has shown an improved embodiment on the basis of Fig. 2, as shown in Figure 3, on basis embodiment illustrated in fig. 2, low concentration wastewater Integrated Processing Unit 1 shown in Figure 3 further comprises sludge treatment mechanism 15, the sludge outlet 113 in described Wastewater Pretreatment pond 11 is connected with described sludge treatment mechanism 15, and the wastewater outlet 152 of described sludge treatment mechanism 15 inserts the inlet in described Wastewater Pretreatment pond 11 by pipeline.
The mud that described Wastewater Pretreatment pond 11 produces at wastewater treatment process, sludge outlet 113 by described Wastewater Pretreatment pond 11 is via the inlet 151 of pipe-line transportation to described sludge treatment device 15, and enters described sludge treatment device 15 and carry out further processed.Described sludge treatment device 15 can comprise a mesophilic digestion pond, in described mesophilic digestion pond, under the situation of starvation, organism in the mud is before this by the saprophytic bacteria metabolism, be converted into organic acid, anaerobic methanogen degraded organic acid is methane and carbonic acid gas then, and the temperature of whole process is controlled at 33～35 ℃ and carries out, so just can the organism in the mud be converted into than stable material by utilizing action of microorganisms.
Described sludge treatment device 15 can also comprise a mechanical dehydration device, and described mechanical dehydration device can further reduce the water content of mud, and the dewatered sludge after the dehydration can further be handled by modes such as solid landfills.
In a preferred embodiment, the wastewater outlet 152 of described sludge treatment mechanism 15 inserts the inlet 111 in described Wastewater Pretreatment pond 11 by pipeline.Described sludge treatment device 15 can insert the low concentration wastewater inlet 111 in described Wastewater Pretreatment pond 11 by pipeline via the wastewater outlet 152 of described sludge treatment device 15 at the waste water that mud is carried out produce in the processed process, thereby can further handle waste water.
Rest part embodiment illustrated in fig. 3 and embodiment illustrated in fig. 2 identical is given unnecessary details no longer one by one at this.
Fig. 4 has shown an improved embodiment on the basis of Fig. 3, as shown in Figure 4, on basis embodiment illustrated in fig. 3, in the low concentration wastewater Integrated Processing Unit 1 shown in Figure 4, described low concentration wastewater Integrated Processing Unit 1 further comprises steam boiler 16, and described Wastewater Pretreatment pond 11 further comprises a biochemistry pool that generates described methane waste product.The methane waste product outlet 153 of the methane waste product in described Wastewater Pretreatment pond 11 outlet 114 and described sludge treatment mechanism 15 is respectively by the roasting kiln of pipe connection to described steam boiler 16.
Described Wastewater Pretreatment pond 11 further comprises a biochemistry pool that generates described methane waste product.Described biochemistry pool utilizes the microbiological deterioration organic pollutant, make organic pollutant by the saprophytic bacteria metabolism, being converted into organic acid, be methane and carbonic acid gas by anaerobic methanogen degraded organic acid then, thereby the organic pollution materials in disposing sewage generates methane simultaneously.
The article " discovery of low dissolved axygen sludge slight expansion Energy saving theory and method, proposition and theoretical basis " that can deliver at 2008 " environmental science " 29 volumes 12 phases (3342-3347) with reference to Peng Yongzhen etc. about the correlation technique content of biochemistry pool or Wang Lei etc. roll up the article " hypoxemia catalytic oxidation/little aeration artificial wetland process purifying contaminated river " that 5 phases (22-26) deliver at " Chinese water supply and drainage " 24.
The methane waste product that produces in the course of the work for described Wastewater Pretreatment pond 11 and described sludge treatment device 15, can be via the methane waste product outlet 153 of outlet 114 of the methane waste product in described Wastewater Pretreatment pond 11 and described sludge treatment device 15 respectively by pipe connection to described steam boiler 16, first methane inlet, 161 and second methane inlet 162 by described steam boiler 16, enter the roasting kiln of described steam boiler 16, acting as a fuel provides heat to described steam boiler 16 after burning, makes described steam boiler 16 produce the steam of 1-5.4 MPa.
In a preferred embodiment, the vapour outlet 163 of described steam boiler 16 by pipe connection to described condensing crystal jar 14, the steam of 1-5.4 MPa is carried to described condensing crystal jar 14 in steam-in 142 via described condensing crystal jar 14, as the driving heat source of condensing crystal jar.
Rest part embodiment illustrated in fig. 4 and embodiment illustrated in fig. 3 identical is given unnecessary details no longer one by one at this.
In another specific embodiment, described low concentration wastewater Integrated Processing Unit 1 further comprises thermal power generation mechanism, the methane waste product outlet 153 of outlet 114 of the methane waste product in described Wastewater Pretreatment pond 11 and described sludge treatment device 15 respectively by pipe connection to described thermal power generation mechanism, for described thermal power generation mechanism provides methane to act as a fuel.
A kind of low concentration wastewater Integrated Processing Unit provided by the invention, after the low concentration wastewater processing that productive life produced, it can be purified recovery more than 90%, remaining concentrated waste water can directly be handled qualified discharge, also can generate the solid state crystallization security landfill, the excess sludge that produces in the described low concentration wastewater Integrated Processing Unit working process can be treated to solid and come security landfill, thereby can realize zero release.
In addition, the methane gas that generates in described low concentration wastewater Integrated Processing Unit working process also can be used for taking place the driving heat source of steam as crystallizer, also can be used for generating, has effectively saved the demand of described low concentration wastewater Integrated Processing Unit to the energy.
Described low concentration wastewater Integrated Processing Unit has solved the handling problem of conventional three grades of wastewater treatment denitrogenation difficult problems and the dense water of conventional membrane sepn reuse technology, by with water source, thermal source, comprehensive utilization of energy, reach low-cost high-efficiency and handle waste water, reduce the target of water environment pollution to greatest extent.
Though it will be appreciated by those skilled in the art that the present invention is that mode according to a plurality of embodiment is described, and is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the specification sheets; those skilled in the art should make specification sheets as a wholely to be understood, and regard technical scheme related among each embodiment as the mode that can be combined into different embodiment mutually understand protection scope of the present invention.
The above only is the schematic embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations, the modification of being done under the prerequisite that does not break away from design of the present invention and principle and combining all should belong to the scope of protection of the invention.
Claims (7)
1. low concentration wastewater Integrated Processing Unit, it is characterized in that, described low concentration wastewater Integrated Processing Unit comprises the Wastewater Pretreatment pond at least, the mesolow reverse osmosis membrane processing jar that working pressure is the 1-4 MPa, a high pressure reverse osmosis membrane processing jar and the electrochemical processing cell that working pressure is the 7-20 MPa, wherein, municipal administration or trade effluent pipeline insert the inlet in described Wastewater Pretreatment pond, the wastewater outlet in described Wastewater Pretreatment pond is connected by the inlet of pipeline with described mesolow reverse osmosis membrane processing jar, the treated water outlet of described mesolow reverse osmosis membrane processing jar connects municipal administration or industrial intermediate water pipeline, and the wastewater outlet of described mesolow reverse osmosis membrane processing jar connects the inlet of described electrochemical processing cell and the inlet of described high pressure reverse osmosis membrane processing jar respectively.
2. low concentration wastewater Integrated Processing Unit according to claim 1, it is characterized in that, described low concentration wastewater Integrated Processing Unit further comprises the condensing crystal jar, and the inlet of described condensing crystal jar is connected with second wastewater outlet of described high pressure reverse osmosis membrane processing jar.
3. low concentration wastewater Integrated Processing Unit according to claim 2, it is characterized in that, first wastewater outlet of described high pressure reverse osmosis membrane processing jar connects the inlet of described electrochemical processing cell, and the wastewater outlet of described electrochemical processing cell connects described condensing crystal jar.
4. low concentration wastewater Integrated Processing Unit according to claim 3 is characterized in that, described low concentration wastewater Integrated Processing Unit further comprises sludge treatment mechanism, and the sludge outlet in described Wastewater Pretreatment pond is connected with described sludge treatment mechanism.
5. low concentration wastewater Integrated Processing Unit according to claim 4, it is characterized in that, described low concentration wastewater Integrated Processing Unit further comprises steam boiler, described Wastewater Pretreatment pond further comprises a biochemistry pool that generates described methane waste product, and the methane waste product outlet of the methane waste product outlet in described Wastewater Pretreatment pond and described sludge treatment mechanism is respectively by the pipe connection roasting kiln of described steam boiler extremely.
6. low concentration wastewater Integrated Processing Unit according to claim 5 is characterized in that, the vapour outlet of described steam boiler by pipe connection to described condensing crystal jar.
7. low concentration wastewater Integrated Processing Unit according to claim 6, it is characterized in that, described low concentration wastewater Integrated Processing Unit further comprises thermal power generation mechanism, and the methane waste product outlet of outlet of the methane waste product in described Wastewater Pretreatment pond and described sludge treatment mechanism is respectively by the extremely described thermal power generation of pipe connection mechanism.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103466893A (en) * | 2013-09-22 | 2013-12-25 | 金晨光 | Sewage recycling comprehensive treatment system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537456B2 (en) * | 1996-08-12 | 2003-03-25 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
| CN1491900A (en) * | 2003-08-27 | 2004-04-28 | 兖矿鲁南化工科技发展有限公司 | Method for treating waste water containing low concentration ammonium chloride |
| CN101024533A (en) * | 2007-02-01 | 2007-08-29 | 天津大学 | Method of diaphragm separation electrolyzing integrated treatment of wate, water containing heavy metal copper |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6537456B2 (en) * | 1996-08-12 | 2003-03-25 | Debasish Mukhopadhyay | Method and apparatus for high efficiency reverse osmosis operation |
| CN1491900A (en) * | 2003-08-27 | 2004-04-28 | 兖矿鲁南化工科技发展有限公司 | Method for treating waste water containing low concentration ammonium chloride |
| CN101024533A (en) * | 2007-02-01 | 2007-08-29 | 天津大学 | Method of diaphragm separation electrolyzing integrated treatment of wate, water containing heavy metal copper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466893A (en) * | 2013-09-22 | 2013-12-25 | 金晨光 | Sewage recycling comprehensive treatment system |
| CN103466893B (en) * | 2013-09-22 | 2014-10-08 | 金晨光 | Sewage recycling comprehensive treatment system |
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