CN202688120U - Landfill leachate and concentrated solution treatment device - Google Patents
Landfill leachate and concentrated solution treatment device Download PDFInfo
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- CN202688120U CN202688120U CN 201220210269 CN201220210269U CN202688120U CN 202688120 U CN202688120 U CN 202688120U CN 201220210269 CN201220210269 CN 201220210269 CN 201220210269 U CN201220210269 U CN 201220210269U CN 202688120 U CN202688120 U CN 202688120U
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Abstract
The utility model relates to the field of landfill leachate treatment, and provides a landfill leachate and concentrated solution treatment device. The landfill leachate and concentrated solution treatment device comprises a treatment container A and a treatment container B which are connected by a pipe. A gypsum induction treatment unit, a coagulating sedimentation treatment unit, an acidity and alkalinity adjustment treatment unit and a catalytic oxidation treatment unit are integrated on the treatment container A. The treatment container B conducts deep treatment on the yielding water of the treatment container A, and a deironing treatment unit and a reverse osmosis treatment unit are integrated on the treatment container B. The landfill leachate and concentrated solution treatment device has the advantages of being reasonable in design, compact in structure, convenient and fast to construct and produce, and high in landfill leachate and concentrated solution treatment efficiency.
Description
Technical field
The rubbish percolation liquid membrane system that the utility model relates to urban refuse sanitary landfill, waste incineration method power station, garbage transfer station etc. processes rear concentrated solution process field, is specifically related to the concentrated liquid processing device of a kind of percolate.
Background technology
Can produce concentrated solution after the filter of percolate process sodium, the reverse osmosis system advanced treatment.Contain the organism that is difficult to remove in the MBR biochemical system in the concentrated solution, multiple poisonous and hazardous inorganics and organism have the characteristics such as Pollutant levels height, complicated component, change very be unstable.The main method of processing at present both at home and abroad concentrated solution has following several: return spray or recharge; Evaporation, oven dry; Ion-exchange or charcoal absorption treatment process; Catalytic oxidation (Fenton reagent method)
Returning spray or recharging is that concentrated solution a kind of often has treatment process, can make the partial organic substances degraded by recharging, but film is processed dissolved salts very fast accumulation of meeting in this circulation that recharging of concentrated solution can make in the percolate, thereby cause osmotic pressure to increase, the purification efficiency of film processing system and the water outlet rate of recovery are reduced gradually.
Evaporation process has solved the drawback that the concentrated solution infinite reflux brings.But the evaporation technology Main Problems is the etching problem that expense is high and the vaporizer generation is serious.
Ion exchange resin can play inrichment to the organism in the concentrated solution, but how the organism in the regeneration waste liquid after the regeneration is processed and concentrated solution in heavy metal to process be again a difficult problem.After charcoal absorption was saturated, the regeneration cost of gac was very high, had finally caused abandoning of it.
Fenton reagent is H
2O
2And Fe
3+A kind of strong oxidizer that is mixed to get, the application in wastewater treatment is just more and more paid close attention in recent ten years.
Use Fenton agent treated concentrated solution cost can be very high separately, and organic mineralization degree is not high, and more effective method is that Fenton reagent and other materialization treatment technologies are joined together to process concentrated solution.Thereby make whole concentrated solution treatment system more stable, more efficient.
The utility model content
Technical problem to be solved in the utility model provides the rear concentrated solution treatment unit that produces of a kind of rubbish percolation liquid membrane system's processing, and it has concentrated solution processing efficiency height, and the characteristics that the construction startup is fast, occupation of land is few are installed.
For realizing above-mentioned technical problem, the utility model provides a kind of percolate to concentrate liquid processing device, it is characterized in that, comprise that gypsum induces processing unit, elementary coagulating sedimentation processing unit, the acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, two-stage coagulation precipitation process unit, the concentrated liquid of the described percolate described gypsum of flowing through is sequentially induced processing unit, elementary coagulating sedimentation processing unit, acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, two-stage coagulation precipitation process unit, and the two-stage coagulation precipitation process is discharged treatment solution behind the unit; Described gypsum is induced processing unit, and elementary coagulating sedimentation processing unit, catalytic oxidation treatment unit are connected sludge pipe and connect sewer catch basin with two-stage coagulation precipitation process unit.
Further, the utility model also comprises iron processing unit and reverse-osmosis treated unit, after the treatment solution of discharging from described two-stage coagulation precipitation process unit enters described iron processing unit processes, enters described reverse-osmosis treated unit again.
More optimal, the utility model also comprises A collection dress processing casing, described gypsum is induced processing unit, elementary coagulating sedimentation processing unit, the acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, and the integrated A collection dress that is installed in two-stage coagulation precipitation process unit is processed in the casing.
Same optimization, the utility model also comprises B collection dress processing casing, the integrated B collection dress that is installed in described iron processing unit and reverse-osmosis treated unit is processed in the casing.Described A collection dress is processed casing and is connected B collection dress processing casing by pipeline.
Concentrated solution treatment unit described in the utility model possesses reasonable in design, compact construction, and integrated level is high, and floor space is little, is convenient to Fast Construction and goes into operation, and is reliable, the advantage that the concentrated solution processing efficiency is high.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Fig. 1 is the overall structure block diagram of the utility model concentrated solution treatment unit.
Fig. 2 is the two dimensional structure synoptic diagram that A collection dress is processed casing.
Fig. 3 is the two dimensional structure synoptic diagram that B collection dress is processed casing.
Embodiment
As shown in Figure 1, dotted line frame A is depicted as the A collection dress processing casing of the utility model concentrated solution treatment unit among the figure, comprise that gypsum induces processing unit, elementary coagulating sedimentation processing unit, the acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, two-stage coagulation precipitation process unit.Dotted line frame B is depicted as the B collection dress of the utility model concentrated solution treatment unit and processes casing, comprises iron processing unit and reverse-osmosis treated unit.
Process the structural representation of casing in conjunction with A collection dress shown in Figure 2.Concentrated solution at first enters A collection dress from entrance 1 and processes the gypsum of casing and induce processing unit M1, gypsum induces processing unit to comprise inductor throwing device 2, induce to gypsum by inductor throwing device 2 and to add gypsum in the processing unit, and by stirrer 5,6 stirrings, make the particle of various ions formation suspension foulings in the concentrated solution.Induce the concentrated solution of processing to enter elementary coagulating sedimentation unit M2 through gypsum, arrow is depicted as liquid flow direction among the figure. Coagulant dosage device 3,4 by elementary coagulating sedimentation unit M2 is to the processing unit dosing coagulant, by coagulation the particle of suspension fouling and part heavy metal and part COD, BOD pollutent are precipitated, then collect water outlet by the effluent weir of elementary coagulating sedimentation unit, directly the water outlet of collecting is flowed into acidity adjustment unit M3 certainly by a short tube, acidity adjustment unit M3 comprises sour throwing device 9, in concentrated solution, add acid solution by this device 9, under the effect of submersible water impeller 8, regulate pH value to the 3-4.Concentrated solution after the adjusting acidity enters catalyzed oxidation district M4 through the mouth of pipe 11 gravity flows, and the catalyzed oxidation district comprises catalyzer (Fe
2+) throwing device 12, oxygenant (H
2O
2) throwing device 13, acid solution throwing device 14.Concentrated solution is under acidic conditions, and by the hardly degraded organic substance in the acting in conjunction oxygenolysis concentrated solution of catalyzer and oxygenant, COD, BOD and total nitrogen major part are removed in the concentrated solution.Catalytic oxidation treatment unit M4 is the significant element that concentrated solution is processed, oxygenant H
2O
2With catalyst Fe
2+Consist of oxidation system, be called again Fenton reagent, at Fe
2+H under the katalysis of ion
2O
2Decomposition activation energy lower (34.9kJ/too1), can decompose and produce hydroxyl from basic OH.Compare with other oxygenant, hydroxyl radical free radical has higher oxidizing electrode current potential, thereby has very strong oxidation susceptibility, captures hydrogen by its attack organic molecule, larger molecular organics is degraded to small organic molecule or mineralising is CO
2And H
2The inorganicss such as O.
Concentrated solution is behind catalytic oxidation treatment unit M4, water outlet enters basicity regulon M5 by short tube 15, this unit comprises alkali lye throwing device 16, adds alkali lye in the concentrated solution after the catalytic oxidation treatment, regulates the solution PH value to neutral under the stirring of submersible water impeller 17.Basicity regulon M5 processes water outlet and flows into two-stage coagulation precipitation unit M6 by short tube, and stirrer 20,21 and coagulant dosage device 18,19 is arranged in this unit M6, by coagulant dosage device 18,19 water dosing coagulant always, precipitates chemical sludge.In addition, gypsum induces the bottom of unit, elementary coagulating sedimentation unit, catalytic oxidation unit, two-stage coagulation precipitation unit all to connect sewer catch basin by sludge pipe 23, and the mud in the sewer catch basin finally enters and transports the landfill district to after sludge treating system is processed.
The concentrated solution of processing through the two-stage coagulation precipitation unit enters the iron-removing unit N1 that B collection dress is processed casing through the mouth of pipe 22 gravity flows.As shown in Figure 3, iron-removing unit comprises collection well and deironing filter.Gravity flow enters the concentrated solution of collecting well and pumps into the deironing filter processing by in-line pump.Deironing filter has adopted the iron removal by oxidation principle, utilizes in the air oxygen with Fe in the water
2+Ion-oxygen changes into water-fast Fe
3+, the natural manganese sand filler in the combined filtering device is removed Fe and Mn in the water again, to reduce Fe
2+The pollution of the follow-up reverse osmosis membrane of ion pair.After filtering certain water yield, utilize backwash mode with filtering layer in impurity trapped, go out strainer, recover the inceptive filtering function.
Water outlet after iron-removing unit N1 processes enters feed water by reverse osmosis case N5, then promotes the reverse-osmosis treated unit by water pump N4 and is further processed, and the reverse-osmosis treated unit adopts Tao Shi FILMTEC membrane element, is spiral wound configuration.It is comprised of leafy film bag, each leaf film bag by the positive opposing diaphragm of two films, place two between diaphragm the product water runner and the latticed inlet conduit of turbulent flow that is placed on the film surface form, these film bag three limits stick with glue the agent sealing, and the 4th limit is opened on the porose product water collection pipe.With other component structure, such as tubular type, board-likely compare with the tubular fibre formula, have that current are evenly distributed, the anti-pollution degree high, replacement charge is low, exterior line is simple, be easy to that clean and maintenance is maintained and many advantages such as design freedom is large.But the water outlet qualified discharge after the reverse-osmosis treated cell processing, isolated concentrated solution waste liquid enters the waste liquid storage pool, recharges equalizing tank.
Through the practice operation testing identity, concentrated solution treatment unit of the present utility model is reliable, and integrated level is high, and floor space is little, and energy consumption is low, can guarantee that effluent quality is up to standard.
Should be noted that; the exemplary illustration that this embodiment is just done the utility model and do not limit its protection domain; those skilled in the art can also make to the utility model the change of some unsubstantialities; so long as the improvement of carrying out without creative work and to this patent, all within the protection domain of this patent.
Claims (5)
1. a percolate concentrates liquid processing device, it is characterized in that, comprise that gypsum induces processing unit, elementary coagulating sedimentation processing unit, the acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, and two-stage coagulation precipitation process unit, the concentrated liquid of the described percolate described gypsum of flowing through is sequentially induced processing unit, elementary coagulating sedimentation processing unit, the acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, two-stage coagulation precipitation process unit, the two-stage coagulation precipitation process is discharged treatment solution behind the unit; Described gypsum is induced processing unit, and elementary coagulating sedimentation processing unit, catalytic oxidation treatment unit are connected sludge pipe and connect sewer catch basin with two-stage coagulation precipitation process unit.
2. percolate according to claim 1 concentrates liquid processing device, it is characterized in that, also comprise iron processing unit and reverse-osmosis treated unit, after the treatment solution of discharging from described two-stage coagulation precipitation process unit enters described iron processing unit processes, enter again described reverse-osmosis treated unit.
3. percolate according to claim 1 concentrates liquid processing device, it is characterized in that, also comprise A collection dress processing casing, described gypsum is induced processing unit, elementary coagulating sedimentation processing unit, acidity adjustment processing unit, catalytic oxidation treatment unit, basicity is regulated processing unit, and the integrated A collection dress that is installed in two-stage coagulation precipitation process unit is processed in the casing.
4. the concentrated liquid processing device of percolate according to claim 2 is characterized in that, also comprises B collection dress processing casing, and the integrated B collection dress that is installed in described iron processing unit and reverse-osmosis treated unit is processed in the casing.
5. percolate according to claim 2 concentrates liquid processing device, it is characterized in that, comprise that also A collection dress is processed casing and B collection dress is processed casing, described A collection dress is processed casing and is connected B collection dress processing casing by pipeline, described gypsum is induced processing unit, elementary coagulating sedimentation processing unit, the acidity adjustment processing unit, the catalytic oxidation treatment unit, basicity is regulated processing unit, the integrated A collection dress that is installed in two-stage coagulation precipitation process unit is processed in the casing, and the integrated B collection dress that is installed in described iron processing unit and reverse-osmosis treated unit is processed in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210269 CN202688120U (en) | 2012-05-10 | 2012-05-10 | Landfill leachate and concentrated solution treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220210269 CN202688120U (en) | 2012-05-10 | 2012-05-10 | Landfill leachate and concentrated solution treatment device |
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|---|---|
| CN202688120U true CN202688120U (en) | 2013-01-23 |
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| CN 201220210269 Expired - Fee Related CN202688120U (en) | 2012-05-10 | 2012-05-10 | Landfill leachate and concentrated solution treatment device |
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|---|---|
| CN (1) | CN202688120U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671565A (en) * | 2015-01-19 | 2015-06-03 | 浙江博世华环保科技有限公司 | Treatment method of industrial refuse landfill percolate |
| CN105000736A (en) * | 2015-07-07 | 2015-10-28 | 武汉天源环保股份有限公司 | Process method for nanofiltration concentrated liquor reduction of landfill leachate |
| CN108947006A (en) * | 2018-07-20 | 2018-12-07 | 江苏力祺环保科技有限公司 | A kind of sewage water treatment method |
-
2012
- 2012-05-10 CN CN 201220210269 patent/CN202688120U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671565A (en) * | 2015-01-19 | 2015-06-03 | 浙江博世华环保科技有限公司 | Treatment method of industrial refuse landfill percolate |
| CN105000736A (en) * | 2015-07-07 | 2015-10-28 | 武汉天源环保股份有限公司 | Process method for nanofiltration concentrated liquor reduction of landfill leachate |
| CN108947006A (en) * | 2018-07-20 | 2018-12-07 | 江苏力祺环保科技有限公司 | A kind of sewage water treatment method |
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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: 20130123 Termination date: 20130510 |