CN202449955U - Integrated treatment device for landfill leachate - Google Patents
Integrated treatment device for landfill leachate Download PDFInfo
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- CN202449955U CN202449955U CN201120538030XU CN201120538030U CN202449955U CN 202449955 U CN202449955 U CN 202449955U CN 201120538030X U CN201120538030X U CN 201120538030XU CN 201120538030 U CN201120538030 U CN 201120538030U CN 202449955 U CN202449955 U CN 202449955U
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Abstract
The utility model provides an integrated treatment device for landfill leachate. The device comprise a computer for controlling the whole treatment process, and a pretreatment unit, a biological reaction unit, an electrolysis unit and a membrane treating unit which are sequentially communicated through pumps, a conveying pipeline, settling ponds and adjustment ponds; wherein the biological reaction unit comprises a sequencing batch anaerobic bioreactor for performing anaerobic reaction on the leachate and a sequencing batch bioreactor for removing organic matter and ammonia nitrogen from the leachate; and the electrolysis unit is one or combination of an electrolysis reactor and an electric Fenton reactor. The sequencing batch anaerobic bioreactor, the sequencing batch bioreactor, the electrolysis reactor and the electric Fenton reactor are combined together, and a biological-physicochemical process is adopted, so that the integrated treatment device is good in effect of treating the landfill leachate, solves the problem that the content of pollutant in the leachate cannot be reduced to be below the discharge standard by a single process, and is economic and practical.
Description
Technical field
The utility model belongs to technical field of sewage, particularly a kind of integrated treating device of percolate.
Background technology
At present, sanitary landfill is a kind of domestic waste ultimate disposal mode that the whole world is accepted extensively and used, but the percolate that landfill produces is the most important source of pollution of underground water.Contain considerable toxic substance in the percolate, and dense, just becoming grave danger of environment.The treatment process of present percolate is recharged method, biological process and physico-chemical process three major types; Above method all has advantage separately; But great deal of research results shows; Arbitrary independent technology can't make the pollutent in the percolate be reduced to below the emission standard; Especially after carrying out strict more pollution control criterion (State Standard of the People's Republic of China's consumer waste filling and embedding pollutes control criterion GB16889-2008 and replaces GB16889-1997), researching and developing all practicable technically and economically biology-materialization integrated technique has been the main flow that percolate is handled.
The utility model content
To the problem that background technology exists, the utility model provides a kind of integrated treating device of percolate.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of integrated treating device of percolate comprises the computingmachine of control entire treatment process and the pretreatment unit that is communicated with successively through pump, transport pipe, settling tank, equalizing tank, biological respinse unit, electrolysis cells, film processing unit; Wherein, the biological respinse unit comprises sequence batch (anaerobic biological reactor that percolate is carried out anaerobic reaction and the sequence bioreactor of removing organism and ammonia nitrogen in the percolate.
Described electrolysis cells is a kind of or its combination in electrolysis reactor, the Fenton reactor drum.
Described sequence batch (anaerobic biological reactor is an encloses container, and production well is left at the top, the set inside whipping device.
Described sequence bioreactor set inside micropore aeration pipe and whipping device are reserved with DO, pH, ORP on-line monitoring probe hole position.
Described equalizing tank is processed by acid resisting material or the liner acid resisting material, and its set inside has whipping device, and is reserved with pH on-line monitoring probe hole position.
Described electrolysis cells comprises by acid resisting material to be processed or liner acid resisting material and be provided with the formula of the seething electrolyzer of bipolar plates circuit.
Described electrolysis cells is an electrolysis reactor, and the anode of installing in the electrolysis reactor is for analysing chlorine insoluble electrode plate, and negative electrode is the insoluble electrode plate.
Described electrolysis cells is the Fenton reactor drum, and the anode of installing in the Fenton reactor drum is the anode that is applicable to Fenton system, and negative electrode is the insoluble electrode plate.
Pretreatment unit is realized the solid matter in the percolate, suspended substance and colloidalmaterial and the filtration that is partly dissolved organic matter; Can remove mikrobe in the water, pathogenic bacteria and virus effectively; Can remove in the sewage 90～95% phosphorus; Reduce delivery turbidity, colourity, heavy metal ion and some other pollutents, finally reduce the processing load of aftertreatment device; The removal to high-enriched organics and ammonia nitrogen is realized in the biological respinse unit; Regulate through settling tank deposition and equalizing tank successively then; Be difficult to biodegradable organism and residue ammonia nitrogen through existing in the percolate after the above art breading, carry out advanced treatment through electrolysis cells again; Further reduce the COD, colourity etc. of water outlet at last through the film processing unit.
Compared with prior art; The utility model adopts biology-materialization integrated technique; Integrate sequence batch (anaerobic biological reactor, sequence bioreactor, electrolysis reactor and Fenton reactor drum; Utilize the reduction process cost of sequence batch (anaerobic biological reactor, sequence bioreactor, utilize the advantage of hardly degraded organic substance in electrolysis reactor and the Fenton reactor drum ability oxidation percolate, effectively the treating refuse percolate; Make it reach pollutent and be reduced to below the emission standard, economical and practical.
Description of drawings
Fig. 1 is the processing technological flow figure of the utility model.
Fig. 2 is the entity synoptic diagram of the utility model.
Wherein, 1-air pump, 2-percolate storage tank, 3-constant flow pump, 4-grid, 5-coagulating agent storage tank; 6-coagulant aids storage tank, 7-coagulation reactor, 8-inclined-plate clarifying basin, 9,16,25-equalizing tank, 10-valve, 11-sequence batch (anaerobic biological reactor; 12-online pH probe, 13-online ORP (redox potential) probe, 14-online DO (dissolved oxygen) probe, 15-sequence bioreactor, 17-sulfuric acid hold-up vessel; 18-sodium-chlor hold-up vessel, 19-electrolysis reactor, 20-battery lead plate, 21-ydrogen peroxide 50 hold-up vessel, 22-ferrous sulfate hold-up vessel; 23-sodium hydroxide hold-up vessel, 24-vertical sedimentation basin, 26-topping-up pump, 27-hyperfiltration membrane assembly, 28-ultrafiltration clear liquid storage tank; The 29-variable frequency pump, 30-nanofiltration security personnel strainer, 31-nanofiltration membrane component, 32-nanofiltration clear liquid storage tank, 33-Fenton reactor drum.
Embodiment
Below in conjunction with embodiment shown in the drawings the utility model is described further.
Shown in accompanying drawing, the utility model comprises the computingmachine of control entire treatment process and the pretreatment unit that is communicated with successively through pump, transport pipe, settling tank, equalizing tank, biological respinse unit, electrolysis cells, film processing unit; Wherein, the biological respinse unit comprises sequence batch (anaerobic biological reactor that percolate is carried out anaerobic reaction and the sequence bioreactor of removing organism and ammonia nitrogen in the percolate.Electrolysis cells is the two the combination of electrolysis reactor and Fenton reactor drum in the present embodiment.The sequence batch (anaerobic biological reactor is an encloses container, and production well is left at the top, the set inside whipping device.Sequence bioreactor set inside micropore aeration pipe and whipping device are reserved with on-line monitoring probe hole positions such as DO, pH, ORP.Settling tank is vertical sedimentation basin and inclined-plate clarifying basin.Equalizing tank is processed by acid resisting material or the liner acid resisting material, and its set inside has whipping device, and is reserved with pH on-line monitoring probe hole position; Electrolysis cells comprises by acid resisting material to be processed or liner acid resisting material and be provided with the formula of the seething electrolyzer of bipolar plates circuit; The anode of installing in the electrolysis reactor is for analysing chlorine insoluble electrode plate, and negative electrode is the insoluble electrode plate; The anode of installing in the Fenton reactor drum is the anode that is applicable to Fenton system, and negative electrode is the insoluble electrode plate.
Shown in accompanying drawing 2, wherein, 1-7 is pretreatment unit, and 11-15 is biological reaction member, and 18-23,33 is electrolysis cells, and 26-32 is the film processing unit; At first percolate is introduced into percolate filtrate tank 2, opens air pump 1 on computers,, agitator motor, gases such as volatile substances in the stripping percolate and hydrogen sulfide, carbonic acid gas, ammonia; Open constant flow pump 3 then on computers, regulate suitable flow and flow through grid 4; The grid water outlet is opened the agitator motor in the coagulation reactor 7 on computers, and is adjusted to suitable rotating speed from flowing to coagulation reactor 7; Wherein the first lattice agitator motor rotating speed is higher, realizes the rapid mixing of coagulating agent and percolate; The second lattice agitator motor rotating speed is low slightly, realizes the mixing of coagulant aids and alumen ustum; The 3rd lattice rotating speed is minimum, realizes growing up and avoiding flocs unit broken of flocs unit.Coagulating agent and coagulant aids pass through artificial supplementation; Through the percolate of post precipitation, from flowing to equalizing tank 9, open equalizing tank 9 agitator motors by inclined-plate clarifying basin 8 overflow weirs.
Percolate in the equalizing tank 9 pumps into sequence batch (anaerobic biological reactor 11 through constant flow pump; The Inlet and outlet water of sequence batch (anaerobic biological reactor 11 is by corresponding solenoid control, and the operation in each stage is through PLC control; Percolate passes through reaction, deposition, water outlet stage successively in sequence batch (anaerobic biological reactor 11, flow to sequence bioreactor 15 certainly; During 11 water outlets of sequence batch (anaerobic biological reactor, just sequence bioreactor 15 water inlets; The working procedure of setting sequence bioreactor 15 is aeration, anoxia stirring, deposition, water outlet; During aeration, system's generation nitration reaction, air pump is opened automatically, and agitator motor stops automatically; During anoxia stirring, system's generation anti-nitration reaction, air pump cuts out automatically, and agitator motor is opened automatically.Sequence bioreactor 15 is provided with on-line monitoring probes such as DO, pH, ORP, gathers automatically to computingmachine, for the usefulness of more reasonably controlling the operation of sequence bioreactor in the future.During water outlet, supernatant is from flowing to equalizing tank 16; After percolate got into equalizing tank 16, constant flow pump was opened automatically, pumps the vitriol oil in the sulfuric acid hold-up vessel 17.When the pH value that monitors when the on-line monitoring pH in the equalizing tank 16 probe reached preset value, constant flow pump was closed automatically; When sulfuric acid pumps into, open air pump, the CO2 that stripping produces.
Percolate is promoted to electrolysis reactor 19 through constant flow pump, when electrolysis reactor 19 is full of, opens the constant flow pump of sodium-chlor hold-up vessel 18, and sodium-chlor is pumped into electrolysis reactor 19; Open the air pump of electrolysis reactor 19, and the unlatching direct supply begins electrolysis.Electrolysis reactor 19 water outlets flow to Fenton reactor drum 33 certainly through overflow weir; When Fenton reactor drum 33 is full of, begin the ferrous sulfate in ydrogen peroxide 50 in the ydrogen peroxide 50 hold-up vessel 21 and the ferrous sulfate hold-up vessel 22 is pumped into Fenton reactor drum 33, open air pump simultaneously, and direct supply begins Fenton reaction 33; 33 water outlets of Fenton reactor drum flow to vertical sedimentation basin 24 certainly through overflow weir; During the 33 beginning water outlets of Fenton reactor drum, beginning is pumped sodium hydroxide in sodium hydroxide hold-up vessel 23; When the pH value that monitors when the on-line monitoring pH in the equalizing tank 25 probe reached preset value, the constant flow pump of sodium hydroxide hold-up vessel 23 was closed automatically; After closing, if the pH value that on-line monitoring pH probe monitors is lower than preset value, the constant flow pump of sodium hydroxide hold-up vessel 23 is opened automatically.Vertical sedimentation basin 24 water outlets flow to equalizing tank 25 certainly through overflow weir.
After water level in the equalizing tank 25 reaches certain altitude, open topping-up pump 26, control pressure begins ultrafiltration.
After water level in the ultrafiltration clear liquid storage tank 28 reaches certain altitude, open variable frequency pump 29, control pressure begins nanofiltration.At last the percolate of handling well is discharged, the entire treatment process is accomplished.
Claims (8)
1. the integrated treating device of a percolate is characterized in that: comprise the computingmachine of control entire treatment process and the pretreatment unit that is communicated with successively through pump, transport pipe, settling tank, equalizing tank, biological respinse unit, electrolysis cells, film processing unit; Wherein, the biological respinse unit comprises sequence batch (anaerobic biological reactor that percolate is carried out anaerobic reaction and the sequence bioreactor of removing organism and ammonia nitrogen in the percolate.
2. the integrated treating device of a kind of percolate according to claim 1, it is characterized in that: described electrolysis cells is a kind of or its combination in electrolysis reactor, the Fenton reactor drum.
3. the integrated treating device of a kind of percolate according to claim 1, it is characterized in that: described sequence batch (anaerobic biological reactor is an encloses container, and production well is left at the top, the set inside whipping device.
4. the integrated treating device of a kind of percolate according to claim 1, it is characterized in that: described sequence bioreactor set inside micropore aeration pipe and whipping device are reserved with DO, pH, ORP on-line monitoring probe hole position.
5. the integrated treating device of a kind of percolate according to claim 1, it is characterized in that: described equalizing tank is processed by acid resisting material or the liner acid resisting material, and its set inside has whipping device, and is reserved with pH on-line monitoring probe hole position.
6. the integrated treating device of a kind of percolate according to claim 1 and 2 is characterized in that: described electrolysis cells comprises by acid resisting material to be processed or liner acid resisting material and be provided with the formula of the seething electrolyzer of bipolar plates circuit.
7. the integrated treating device of a kind of percolate according to claim 2, it is characterized in that: described electrolysis cells is an electrolysis reactor, and the anode of installing in the electrolysis reactor is for analysing chlorine insoluble electrode plate, and negative electrode is the insoluble electrode plate.
8. the integrated treating device of a kind of percolate according to claim 2; It is characterized in that: described electrolysis cells is the Fenton reactor drum; The anode of installing in the Fenton reactor drum is the anode that is applicable to Fenton system, and negative electrode is the insoluble electrode plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120538030XU CN202449955U (en) | 2011-12-21 | 2011-12-21 | Integrated treatment device for landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120538030XU CN202449955U (en) | 2011-12-21 | 2011-12-21 | Integrated treatment device for landfill leachate |
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| Publication Number | Publication Date |
|---|---|
| CN202449955U true CN202449955U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120538030XU Expired - Fee Related CN202449955U (en) | 2011-12-21 | 2011-12-21 | Integrated treatment device for landfill leachate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923828A (en) * | 2012-11-13 | 2013-02-13 | 太原理工大学 | Treatment facility of landfill leachate and treatment method thereof |
| CN107986556A (en) * | 2017-11-17 | 2018-05-04 | 浙江海洋大学 | A kind for the treatment of process of high salt concentration low-carbon waste water |
| CN110668637A (en) * | 2019-09-18 | 2020-01-10 | 海绵城市投资有限公司 | Pit and pond wastewater treatment method and device |
-
2011
- 2011-12-21 CN CN201120538030XU patent/CN202449955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923828A (en) * | 2012-11-13 | 2013-02-13 | 太原理工大学 | Treatment facility of landfill leachate and treatment method thereof |
| CN107986556A (en) * | 2017-11-17 | 2018-05-04 | 浙江海洋大学 | A kind for the treatment of process of high salt concentration low-carbon waste water |
| CN110668637A (en) * | 2019-09-18 | 2020-01-10 | 海绵城市投资有限公司 | Pit and pond wastewater treatment method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20121221 |