CN203269686U - Heavy metal waste liquid modularization program control treatment apparatus - Google Patents
Heavy metal waste liquid modularization program control treatment apparatus Download PDFInfo
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- CN203269686U CN203269686U CN 201220744340 CN201220744340U CN203269686U CN 203269686 U CN203269686 U CN 203269686U CN 201220744340 CN201220744340 CN 201220744340 CN 201220744340 U CN201220744340 U CN 201220744340U CN 203269686 U CN203269686 U CN 203269686U
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Abstract
The utility model provides a heavy metal waste liquid modularization program control treatment apparatus, wherein problems of large occupation area, long process, complex operation, complex control and substandard effluent quality of the existing heavy metal waste liquid treatment apparatus are solved with the heavy metal waste liquid modularization program control treatment apparatus of the utility model. The heavy metal waste liquid modularization program control treatment apparatus comprises a pretreatment system, a comprehensive reaction system, a buffer system, a solid-liquid separation system, an observation system, an agent feeding system and a modularization program control system, wherein a heavy metal waste liquid enters the apparatus, and then is subjected to batch treatments according parameters set by the modularization program control apparatus, water intake, agent feeding, water exit and online detection are automatedly controlled, and the effluent meets the national emission standard. The heavy metal waste liquid modularization program control treatment apparatus has characteristics of small occupation area, simple process, strong applicability, easy operation, easy control, low operation cost, good treatment effect, wide application range, and easy promotion use in projects.
Description
Technical field
The utility model relates to a kind of integrated automatic processing device of water treatment field, the specifically treatment system of a heavy metal waste liquid.
Background technology
In water treatment field, the waste liquid that contains heavy metal ion can discharge after must being processed the pollution of environment and very harmful to the mankind.In heavy metal waste liquid treatment method, the chemical Treatment waste liquid amount is large, process range wide, technique is more ripe, is fit to process high-concentration waste liquid.Yet existing classical chemical precipitation method-hydroxide precipitation method is processed and is contained the heavy metal ion waste liquid, to add basic solution to form heavy metal oxide hard to tolerate in the heavy metal waste liquid to remove heavy metal ion, because the pH value of waste liquid after processing is too high, alkalescence is too large, the upper strata stillness of night must move on to neutralization tank and could discharge, and step is more loaded down with trivial details, operational difficulty, and traditional chemical precipitation method effluent quality is bad, is difficult to steady running.Sulphide precipitation is to make heavy metal ion generate the metallic sulfide precipitation of indissoluble with the sulfonium ion reaction, is isolated removal, and this method is compared with hydroxide precipitation method, sediment weight is few, and easily dehydration, be conducive to the recovery of metal, but sulfide precipitation is more tiny, is difficult to sedimentation.Reduction precipitation method is with reductive agent, the heavy metal ion in the heavy metal waste liquid to be reduced to metal simple-substance or the lower metal ion of valence state, first metal filtration is collected, and then add milk of lime in treatment solution, make the heavy metal ion of reduction-state collect with the form precipitation of oxyhydroxide.The flocfloatation precipitator method make little colloidal solid bad stability in the heavy metal waste liquid by adding flocculation agent, assemble forming the macrobead colloidalmaterial, finally precipitate by action of gravity.But all there is effluent quality problem not up to standard in independent these methods of using.If above-mentioned number of chemical method synthesis is applied in the heavy metal liquid waste treatment system, can significantly improve heavy metal liquid waste disposal efficient, improve effluent quality.
Traditional chemical hydroxide precipitation method principle implements because existing heavy metal liquid waste treating apparatus is based on, thereby this system floor space is large, and technical process is long, complicated operation, control loaded down with trivial details, the problem that effluent quality is not up to standard.If can integrating the number of chemical precipitator method, liquid waste treating apparatus processes the heavy metal waste liquid, and by modularization stored program controlled automatic operation treating processes, not only can significantly dwindle the floor space of liquid waste treatment system, easy flow process, shorten the treatment time short, and can improve heavy metal liquid waste disposal effect, convenient operation is realized automatic integratedization.
Summary of the invention
The utility model provides the heavy metal liquid waste treating apparatus, has solved heavy metal process for treating waste liquor long flow path in prior art, and occupation area of equipment is large, complicated operation, control loaded down with trivial details, the problem that effluent quality is not up to standard.
The technical solution adopted in the utility model is:
The one program control treatment unit of heavy metal species waste liquid modularization comprises:
Pretreatment system, comprise the pretreatment tank intake pump and in be provided with the pretreatment tank of filtration unit, described pretreatment tank import exports with described pre-treatment intake pump and is connected by pipeline;
The combined reaction system, comprise combined reaction groove intake pump and the combined reaction groove that is provided with on-line determination device and whipping appts, the import of described combined reaction groove intake pump is connected with the outlet of pretreatment tank, and described combined reaction groove intake pump outlet is connected with the import of described combined reaction groove;
caching system, comprise buffer memory groove intake pump, the buffer memory groove, the buffer memory groove goes out water pump, electric three-way regulating valves and sludge pump, wherein, the import of described buffer memory groove intake pump is connected with described combined reaction groove outlet, the import of described buffer memory groove is connected with described buffer memory groove intake pump outlet, the outlet of described buffer memory groove goes out unit fixed on water pump suction and is connected the sludge pump import and is connected with described buffer memory groove respectively, the buffer memory groove goes out the road import that exit of pump connects described electric three-way regulating valves, one way outlet of described electric three-way regulating valves connects the import of described combined reaction groove, another way outlet of described electric three-way regulating valves is received on the pipeline that described sludge pump has been installed,
Solid-liquid separation system comprises that solid-liquid separation tank and solid-liquid separation tank go out water pump, and described solid-liquid separation tank import goes out exit of pump with described buffer memory groove and is connected, and described solid-liquid separation tank outlet is connected with the import that described solid-liquid separation tank goes out water pump;
Recording geometry comprises and observes groove and ion on-line measuring device that the import of described observation groove is connected with described solid-liquid separation tank water outlet pump outlet;
Medicine system comprises several medicament storage tanks, and it connects with corresponding several dosing pumps, and described dosing pump outlet is connected with the import of described combined reaction groove;
Be used for controlling described pretreatment system, combined reaction system, caching system, solid-liquid separation system, recording geometry and medicine system and automatically complete the modularization stored program controlled of heavy metal liquid waste disposal, it is connected with medicine system with described pretreatment system, combined reaction system, caching system, solid-liquid separation system, recording geometry.
Further, the program control treatment unit of heavy metal waste liquid modularization described in the utility model, described modularization stored program controlled comprises:
The first control module is used for controlling the heavy metal waste liquid and enters described pretreatment tank, by the filtration unit of establishing in described, described heavy metal waste liquid is carried out coarse filtration; The heavy metal waste liquid of described combined reaction groove intake pump after with described coarse filtration is pumped into described combined reaction groove;
The second control module, the medicament that is used for controlling the medicament storage tank that described dosing pump will be corresponding with described dosing pump is pumped in described combined reaction groove;
The 3rd control module, be used for controlling the heavy metal waste liquid that described buffer memory groove intake pump will react after end and be pumped into described buffer memory groove, control electric three-way regulating valves and described buffer memory groove and go out water pump with the described combined reaction groove of the supernatant liquor suction in described buffer memory groove, control electric three-way regulating valves and described buffer memory groove go out water pump with the supernatant liquor suction in described buffer memory groove to described solid-liquid separation tank, control described sludge pump with in muddy water mixed solution in described buffer memory groove and mud suction solid-liquid separation tank;
The 4th control module is used for controlling described solid-liquid separation tank and goes out water pump the water outlet of described solid-liquid separation tank is pumped into described observation groove.
Further, the program control treatment unit of heavy metal waste liquid modularization described in the utility model is characterized in that, the described on-line determination device that is placed in the combined reaction groove is temperature measuring apparatus, oxidation reduction potential determination device and pH pH-value determination pH device;
Further, the program control treatment unit of heavy metal waste liquid modularization described in the utility model is characterized in that, also comprises under meter, is arranged on the pipeline between described pretreatment tank intake pump and described pretreatment tank;
Further, the program control treatment unit of heavy metal waste liquid modularization described in the utility model is characterized in that, also comprises: be used for the panel board (27) that display process parameter and control device are processed, it is connected with described modularization stored program controlled (7);
Further, the program control treatment unit of described heavy metal waste liquid modularization is characterized in that described dosing pump is volume pump;
Further, the program control treatment unit of heavy metal waste liquid modularization described in the utility model is characterized in that, the filtration unit in described pretreatment system is grid, filtering net, strainer or other filtration unit;
Further, treatment unit described in the utility model is characterized in that, described several medicament storage tanks can be laid in respectively dilution clear water, acid solution, alkali lye, oxygenant, reductive agent, flocculation agent, precipitation agent, neutralizing agent or other salts solutions;
Further, treatment unit described in the utility model, described chemical feeding quantity is controlled by the parameter of on-line measuring device on-line determination feedback.
The beneficial effects of the utility model are:
1. floor space is little, flow process is simple, and a combined reaction groove only is set, and has saved a plurality of reactive tanks that arrange in traditional heavy metal liquid waste disposal, save the associate members such as pipeline and pump, the cost of reducing investment outlay reduces to process workshop section, saves the fluid transport time, shorten working time, solve the series of problems such as pipeline leakage, obstruction, can better control liquid waste disposal process, be easy to promotion and implementation in engineering.And can carry out number of chemical precipitator method precipitation of heavy metals ion in combined reaction groove described in the utility model, treatment effect is good, high efficiency, can be applied to electronics, printing, metallurgy, plating, battery manufacture, chemical industry heavy metal liquid waste disposal, and the processing that contains the dangerous discard solutions such as the spent acid solution of heavy metal ion or waste lye.
2. heavy metal liquid waste treating apparatus described in the utility model, easy and simple to handle, easy to control, be equipped be used to controlling described pretreatment system, the combined reaction system, caching system, solid-liquid separation system, recording geometry and medicine system are completed the modularization stored program controlled of heavy metal liquid waste disposal automatically, can automatically control intake pump according to the parameter of setting, go out water pump, dosing pump, stir etc., the parameter of setting is according to temperature measuring apparatus, oxidation reduction potential determination device and pH determinator on-line determination feedack are adjusted, thereby realize automatic integratedization treating processes, treatment time is short, step simplifies the operation.
3. heavy metal liquid waste treating apparatus described in the utility model, arrange a pretreatment tank that is provided with filtration unit, can the effectively catching foreign material, and the charging agitator that arranges in pretreatment tank can prevent the strainer fast blocking, accelerates waste liquid and passes through strainer.
4. heavy metal liquid waste treating apparatus described in the utility model, be provided with a buffer memory groove, can avoid in existing liquid waste disposal mode, because the particulate matter throw out that long-time precipitation causes in settling tank in waste liquid after processing hardens, guarantee the normal operation of mud subsequent disposal.Dashpot is set water pump and electric three-way regulating valves, overdose of medicine agent in supernatant liquor can be back in described combined reaction groove, improve treatment effect, reduce the usage quantity of medicament, reflux ratio is 0.1% ~ 20%; A solid-liquid separation tank is set, guarantees that effluent quality is up to standard and optimize effluent quality.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the treatment unit schematic diagram of the utility model one heavy metal species waste liquid.
In figure:
1. pretreatment tank; 2. combined reaction groove; 3. buffer memory groove; 4. solid-liquid separation tank; 5. observation groove; 6. liquid storage tank; 7. modularization stored program controlled; 8. charging whipping appts; 9. discharging whipping appts; 10. whipping appts; 11. pretreatment tank intake pump; 12. combined reaction groove intake pump; 13. buffer memory groove intake pump; 14. the buffer memory groove goes out water pump; 15 dosing pumps; 16. sludge pump; 17. solid-liquid separation tank goes out water pump; 18. temperature measuring apparatus; 19. pH pH-value determination pH device; 20. oxidation reduction potential determination device; 21. metal ion on-line measuring device; 22. hydrogen ion on-line measuring device; 23. temperature measuring equipment; 24. filtration unit; 25. under meter; 26. electric three-way regulating valves; 27. panel board.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in the figure, the treatment unit of the utility model heavy metal waste liquid comprises:
Pretreatment tank intake pump 11, in be provided with the pretreatment tank 1 of filtration unit 24, combined reaction groove intake pump 12, be provided with the combined reaction groove 2 of on-line determination device and whipping appts 10, buffer memory groove intake pump 13, buffer memory groove 3, the buffer memory groove goes out water pump 14, electric three-way regulating valves 26, sludge pump 24, the solid-liquid separation tank 4, the solid-liquid separation tank that are provided with ion on-line determination device go out water pump 17, be provided with the observation groove 5 of ion on-line measuring device, several medicament storage tanks 6, several dosing pumps 15 corresponding with medicament storage tank 6, modularization stored program controlled 7.
Described pretreatment tank 1 import is connected by pipeline with described pre-treatment intake pump 11 outlets; The import of described combined reaction groove intake pump 12 is connected with the outlet of pretreatment tank 1; Described combined reaction groove intake pump 12 outlets are connected with described combined reaction groove 2 imports; The import of described buffer memory groove intake pump 13 is connected with described combined reaction groove 2 outlets; The import of described buffer memory groove 3 is connected with described buffer memory groove intake pump 13 outlets; The outlet of described buffer memory groove 3 goes out water pump 14 imports and is connected sludge pump 24 imports and is connected with described buffer memory groove respectively; The buffer memory groove goes out the road import that water pump 14 outlets connect described electric three-way regulating valves; One way outlet of described electric three-way regulating valves 26 connects described combined reaction groove 2 imports; Another way outlet of electric three-way regulating valves 26 is received on the pipeline that described sludge pump 24 has been installed; Described solid-liquid separation tank 4 imports go out water pump 14 outlets with described buffer memory groove and are connected; Described solid-liquid separation tank 4 outlets go out water pump 17 imports with described solid-liquid separation tank and are connected; The outlet that described solid-liquid separation tank goes out water pump 17 is connected with the import of described observation groove 5; Described dosing pump 15 outlets are connected with described combined reaction groove 2 imports.
Described pretreatment tank intake pump 11, combined reaction groove intake pump 12, whipping appts 10, buffer memory groove intake pump 13, the buffer memory groove goes out water pump 14, electric three-way regulating valves 26, sludge pump 24, solid-liquid separation tank go out water pump 17, and dosing pump 15 is connected with modularization stored program controlled 7 by the power set cable; The described on-line measuring device that is placed in the combined reaction groove is connected with modularization stored program controlled 7 by the proofing unit cable with the described ion on-line measuring device that is placed in solid-liquid separation tank, and modularization stored program controlled 7 is used for controlling described pretreatment system, combined reaction system, caching system, solid-liquid separation system, recording geometry and medicine system and automatically completes the heavy metal liquid waste disposal.
Heavy metal liquid waste treating apparatus described in the utility model, a combined reaction groove 2 that is built-in with whipping appts 10 only is set, has saved a plurality of reactive tanks that arrange in traditional heavy metal liquid waste disposal, save the associate members such as pipeline and pump, the cost of reducing investment outlay, reduce to process workshop section, save the fluid transport time, shorten working time, solve the series of problems such as pipeline leakage, obstruction, floor space is little, and flow process is simple, and is easy and simple to handle.And can carry out number of chemical precipitator method precipitation of heavy metals ion in combined reaction groove 2 described in the utility model, treatment effect is good, high efficiency, can be applied to electronics, printing, metallurgy, plating, battery manufacture, chemical industry heavy metal liquid waste disposal, and the processing that contains the dangerous discard solutions such as the spent acid solution of heavy metal ion or waste lye.heavy metal liquid waste treating apparatus described in the utility model, be equipped be used to controlling described pretreatment tank intake pump 11, combined reaction groove intake pump 12, buffer memory groove intake pump 13, the buffer memory groove goes out water pump 14, electric three-way regulating valves 26, sludge pump 24, solid-liquid separation tank goes out water pump 17, the on-line measuring device of dosing pump 15 and setting and combined reaction groove is completed the modularization stored program controlled 7 of heavy metal liquid waste disposal automatically, can automatically control intake pump according to the parameter of setting, go out water pump, dosing pump, stir etc., the parameter of setting is adjusted according to the on-line determination proofing unit feedack that is placed in the combined reaction groove, thereby realize automatic integratedization treating processes, treatment time is short, simplified operation steps, can be better control liquid waste disposal process, be easy to promotion and implementation in engineering.Heavy metal liquid waste treating apparatus described in the utility model arranges a pretreatment tank 1 that is built-in with filtration unit 24, can the effectively catching foreign material, and speed up processing.Be provided with several medicament storage tanks 6, can increase or reduce medicament kind according to the character of heavy metal waste liquid, change the order of chemicals treatment, thereby improve the application flexibility of this heavy metal liquid waste treating apparatus, improve processing efficiency.In addition, heavy metal liquid waste treating apparatus described in the utility model is provided with a buffer memory groove 3, can avoid in existing liquid waste disposal mode, because the particulate matter throw out that long-time precipitation causes in settling tank in waste liquid after processing hardens, guarantee the normal operation of mud subsequent disposal.Dashpot is set water pump 14 and electric three-way regulating valves 26, overdose of medicine agent in supernatant liquor can be back in described combined reaction groove 2, improve treatment effect, reduce the usage quantity of medicament, reflux ratio is 0.1% ~ 20%; A solid-liquid separation tank 5 that is provided with the ion on-line measuring device is set, for detection of the various ionic concns of water outlet, guarantees that effluent quality is up to standard and optimize effluent quality.
In heavy metal liquid waste treating apparatus described in the utility model, described modularization stored program controlled 7 comprises four control modules, is used for the open and close that parameters such as pH value, ORP value, temperature according to default time of module, waste liquid are completed pump in the heavy metal liquid waste disposal, whipping appts and electric three-way regulating valves 26 equal power devices automatically.Acting as of described four control modules:
The first control module, be used for controlling the heavy metal waste liquid and enter described pretreatment tank 1, by the filtration unit of establishing in described, described heavy metal waste liquid is carried out coarse filtration, control described combined reaction groove intake pump 12 the heavy metal waste liquid after described coarse filtration is pumped into described combined reaction groove 2;
The second control module, the medicament that is used for controlling the medicament storage tank 6 that described dosing pump 15 will be corresponding with described dosing pump is pumped in described combined reaction groove 2;
The 3rd control module, be used for controlling the heavy metal waste liquid that described buffer memory groove intake pump 13 will react after end and be pumped into described buffer memory groove 3, control electric three-way regulating valves 26 and described buffer memory groove and go out water pump 14 with the described combined reaction groove 2 of the supernatant liquor suction in described buffer memory groove, control electric three-way regulating valves 26 and described buffer memory groove go out water pump 14 with the supernatant liquor suction in described buffer memory groove to described solid-liquid separation tank, control described sludge pump 16 with in muddy water mixed solution in described buffer memory groove 3 and mud suction solid-liquid separation tank 4;
The 4th control module is used for controlling described solid-liquid separation tank and goes out water pump 17 water outlet of described solid-liquid separation tank 4 is pumped into described observation groove 5.
In heavy metal liquid waste treating apparatus described in the utility model, the described on-line determination device that is built in the combined reaction groove is temperature measuring apparatus 18, oxidation reduction potential determination device 19 and pH pH-value determination pH device 20, also can also comprise the ion measurement device, the information that is used for the described combined reaction groove of on-line determination feeds back to the modularization stored program controlled and makes it automatically control intake pump, go out water pump, dosing pump, stirring.
In heavy metal liquid waste treating apparatus described in the utility model, be built in observation groove 5 on-line measuring devices and can comprise metal ion on-line measuring device 21 and hydrogen ion on-Line Monitor Device 22, for detection of the concentration of heavy metal ion of water outlet.
Preferably, heavy metal liquid waste treating apparatus described in the utility model, described temperature measuring apparatus 18, pH pH-value determination pH device 19, oxidation reduction potential determination device 20, metal ion on-line measuring device 21 and hydrogen ion on-Line Monitor Device 22 be the top dress all.
Heavy metal liquid waste treating apparatus described in the utility model can also comprise: under meter 25, the batch processed flooding quantity for showing the heavy metal waste liquid is arranged on the pipeline between described pre-treatment intake pump 11 and described pretreatment tank 1.
Heavy metal liquid waste treating apparatus described in the utility model comprises that also for 27 of display process parameter and control device processing, the convenient treating processes of observing is controlled processing parameter, and described panel board 27 is connected with modularization stored program controlled 7.
Heavy metal liquid waste treating apparatus described in the utility model, the described filtration unit 24 that is placed in pretreatment tank, can be for being grid, filtering net, strainer or other filtration unit, can the effectively catching foreign material, the described charging whipping appts 8 that is arranged in pretreatment tank, can prevent the filtration unit fast blocking, accelerate waste liquid and pass through filtration unit; The discharging whipping appts 9 that arranges in pretreatment tank, the waste liquid after can preventing from filtering forms precipitation; In pretreatment tank, temperature measuring equipment 23 can also be set, be used for the monitoring pretreatment temperature, prevent that in preprocessing process, heat release causes excess Temperature.
Preferably, heavy metal liquid waste treating apparatus described in the utility model, described dosing pump 17 is volume pump, is used for the usage quantity of metered doses of medicament.
Preferably, heavy metal liquid waste treating apparatus described in the utility model, described filtration unit 24 is movably, for convenience detach, cleaning.
Preferably, heavy metal liquid waste treating apparatus described in the utility model, the stirring velocity of described whipping appts 10 is adjustable, is easy to control speed of response.
Further, heavy metal liquid waste treating apparatus described in the utility model, the equipment that described pretreatment tank, combined reaction groove, medicament storage tank, buffer memory groove, solid-liquid separation tank etc. contact with the heavy metal waste liquid, all process with high temperature resistant, corrosion resistant material, or carried out high temperature resistant, corrosion-resistance treatment.
The utility model is used the treatment unit that described heavy metal liquid waste treatment system is processed the heavy metal waste liquid, described several medicament storage tanks can be laid in respectively dilution clear water, acid solution, alkali lye, oxygenant, reductive agent, flocculation agent, precipitation agent, neutralizing agent or other salts solutions, and the clear water of clear water storage tank can be the supernatant liquor of this integrated automatic processing device water outlet up to standard.Described chemical feeding quantity is controlled by the parameter of on-line measuring device on-line determination feedback.
Further, treatment unit described in the utility model, described chemical feeding quantity is controlled by the parameter of on-line measuring device on-line determination feedback.
Further, treatment unit described in the utility model, described heavy metal waste liquid also can be the dangerous discard solutions such as the spent acid solution that contains heavy metal ion, waste lye, cyanide bearing waste solution, emulsified waste liquid.
Wherein, preferably, the redox potential value after the reduction reaction that described modularization stored program controlled is set be 0mv ~-500mv, the redox potential value after described oxidizing reaction be 0mv ~-300mv.
Further, the utility model is used the treatment unit that described heavy metal liquid waste treatment system is processed the heavy metal waste liquid, described batch processed wastewater flow rate 〉=0.01m
3
Below enumerate several examples effect of the present utility model is described, but claim scope of the present utility model is not limited only to this.
Embodiment 1:
Certain danger wastes is disposed the heavy metal waste liquid at center, and wherein Hazardous wastes is the HW21 chromate waste water, contains concentration of heavy metal ion higher.Process through heavy metal waste liquid modularization program-controlled equipment of the present utility model, store respectively acid solution, reductive agent, oxygenant, alkali lye, oxygenant, reductive agent, flocculation agent etc. in the dosing storage tank, the batch processed volume is 1m
3, treatment effect is as shown in table 1.
Table 1 heavy metal liquid waste disposal effect
| Project | Unit | Water inlet | Water outlet |
| pH | —— | ≤1 | 6-9 |
| COD | mg/L | ≤1000 | ≤600 |
| Total chromium | mg/L | ≤1000 | ≤1.5 |
| Sexavalent chrome | mg/L | ≤1000 | ≤0.5 |
| Total copper | mg/L | ≤1000 | ≤1.0 |
| Total cadmium | mg/L | ≤1000 | ≤0.1 |
| Total zinc | mg/L | ≤1000 | ≤5.0 |
| Total plumbous | mg/L | ≤1000 | ≤1.0 |
| Total nickel | mg/L | ≤1000 | ≤1.0 |
Embodiment 2:
Certain danger wastes is disposed the heavy metal waste liquid at center, and wherein Hazardous wastes is the HW34 spent acid solution, contains concentration of heavy metal ion higher.Process through heavy metal waste liquid modularization program-controlled equipment of the present utility model, store respectively acid solution, alkali lye, oxygenant, reductive agent, oxygenant, reductive agent, flocculation agent in the dosing storage tank, the batch processed volume is 5m
3, treatment effect is as shown in table 2.
Table 2 heavy metal liquid waste disposal effect
| Project | Unit | Water inlet | Water outlet |
| Acid concentration | —— | ≤ 30%(is in HCl) | PH is 6-9 |
| COD | mg/L | ≤1000 | ≤600 |
| Total chromium | mg/L | ≤1000 | ≤1.5 |
| Total plumbous | mg/L | ≤1000 | ≤1.0 |
| Total cadmium | mg/L | ≤1000 | ≤0.1 |
| Total mercury | mg/L | ≤1000 | ≤0.05 |
| Total nickel | mg/L | ≤1000 | ≤1.0 |
| Total arsenic | mg/L | ≤1000 | ≤0.5 |
| Total zinc | mg/L | ≤1000 | ≤5.0 |
| Total copper | mg/L | ≤1000 | ≤1.0 |
Embodiment 3:
Certain danger wastes is disposed the heavy metal waste liquid at center, and wherein Hazardous wastes is the HW17 surface treatment waste, contains concentration of heavy metal ion higher.Process through heavy metal waste liquid modularization program-controlled equipment of the present utility model, the batch processed volume is 12m
3, treatment effect is as shown in table 3.
Table 3 heavy metal liquid waste disposal effect
| Project | Unit | Water inlet | Water outlet |
| pH | —— | ≥1 | 6~9 |
| COD | mg/L | ≤1000 | ≤600 |
| Total silver | mg/L | ≤1000 | ≤0.5 |
| Total mercury | mg/L | ≤1000 | ≤0.05 |
| Total chromium | mg/L | ≤1000 | ≤1.5 |
| Total copper | mg/L | ≤1000 | ≤1.0 |
| Total cadmium | mg/L | ≤1000 | ≤0.1 |
| Total zinc | mg/L | ≤1000 | ≤5.0 |
| Total arsenic | mg/L | ≤1000 | 0.5 |
| Total plumbous | mg/L | ≤1000 | 1.0 |
| Total nickel | mg/L | ≤1000 | 1.0 |
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (1)
1. a program control treatment unit of heavy metal species waste liquid modularization, is characterized in that, comprising:
Pretreatment system, comprise pretreatment tank intake pump (11) and in be provided with the pretreatment tank (1) of filtration unit (24), described pretreatment tank (1) import is connected by pipeline with described pre-treatment intake pump (11) outlet;
The combined reaction system, comprise combined reaction groove intake pump (12) and be provided with the on-line determination device and the combined reaction groove of whipping appts (10) (2), the import of described combined reaction groove intake pump (12) is connected with the outlet of pretreatment tank (1), and described combined reaction groove intake pump (12) outlet is connected with described combined reaction groove (2) import;
caching system, comprise buffer memory groove intake pump (13), buffer memory groove (3), the buffer memory groove goes out water pump (14), electric three-way regulating valves (26) and sludge pump (24), wherein, the import of described buffer memory groove intake pump (13) is connected with described combined reaction groove (2) outlet, the import of described buffer memory groove (3) is connected with described buffer memory groove intake pump (13) outlet, the outlet of described buffer memory groove (3) goes out water pump (14) import and is connected sludge pump (24) import and is connected with described buffer memory groove respectively, the buffer memory groove goes out the road import that water pump (14) outlet connects described electric three-way regulating valves, one way outlet of described electric three-way regulating valves (26) connects described combined reaction groove (2) import, another way outlet of described electric three-way regulating valves (26) is received on the pipeline that described sludge pump (24) have been installed,
Solid-liquid separation system, comprise that solid-liquid separation tank (4) and solid-liquid separation tank go out water pump (17), described solid-liquid separation tank (4) import goes out water pump (14) outlet with described buffer memory groove and is connected, and described solid-liquid separation tank (4) outlet is connected with the import that described solid-liquid separation tank goes out water pump (17);
Recording geometry comprises and observes groove (5) and ion on-line measuring device that the import of described observation groove (5) is connected with the outlet that described solid-liquid separation tank goes out water pump (17);
Medicine system comprises several medicament storage tanks (6), and it connects with corresponding several dosing pumps (15), and described dosing pump (15) outlet is connected with described combined reaction groove (2) import;
Be used for controlling described pretreatment system, combined reaction system, caching system, solid-liquid separation system, recording geometry and medicine system and automatically complete the modularization stored program controlled (7) of heavy metal liquid waste disposal, it is connected with medicine system with described pretreatment system, combined reaction system, caching system, solid-liquid separation system, recording geometry.
2. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, described modularization stored program controlled (7) comprising:
The first control module, be used for controlling the heavy metal waste liquid and enter described pretreatment tank (1), by the filtration unit of establishing in described, described heavy metal waste liquid is carried out coarse filtration, control the heavy metal waste liquid of described combined reaction groove intake pump (12) after with described coarse filtration and be pumped into described combined reaction groove (2);
The second control module, the medicament that is used for controlling the medicament storage tank (6) that described dosing pump (15) will be corresponding with described dosing pump is pumped in described combined reaction groove (2);
the 3rd control module, be used for controlling the heavy metal waste liquid that described buffer memory groove intake pump (13) will react after end and be pumped into described buffer memory groove (3), control electric three-way regulating valves (26) and described buffer memory groove and go out water pump (14) with the described combined reaction groove of the supernatant liquor suction in described buffer memory groove (2), control electric three-way regulating valves (26) and described buffer memory groove and go out water pump (14) with the supernatant liquor suction in described buffer memory groove extremely in described solid-liquid separation tank, control described sludge pump (16) with in muddy water mixed solution in described buffer memory groove (3) and mud suction solid-liquid separation tank (4),
The 4th control module is used for controlling described solid-liquid separation tank and goes out water pump (17) water outlet of described solid-liquid separation tank (4) is pumped into described observation groove (5).
3. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, it is characterized in that, the described on-line determination device that is placed in the combined reaction groove is temperature measuring apparatus (18), oxidation reduction potential determination device (19) and pH pH-value determination pH device (20).
4. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, is characterized in that, also comprises: under meter (25) is arranged on the pipeline between described pretreatment tank intake pump (11) and described pretreatment tank (1).
5. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, is characterized in that, also comprises: be used for the panel board (27) that display process parameter and control device are processed, it is connected with described modularization stored program controlled (7).
6. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, is characterized in that, the filtration unit in described pretreatment system (24) is grid, or filtering net, or strainer.
7. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, it is characterized in that, described several medicament storage tanks (6) can be laid in respectively dilution clear water, acid solution, alkali lye, oxygenant, reductive agent, flocculation agent, precipitation agent, neutralizing agent.
8. the program control treatment unit of heavy metal waste liquid modularization according to claim 1, is characterized in that, the described on-line measuring device determination data that is placed in the combined reaction groove feeds back to the modularization stored program controlled, and be used for controlling the operation of dosing pump.
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| CN 201220744340 CN203269686U (en) | 2012-12-31 | 2012-12-31 | Heavy metal waste liquid modularization program control treatment apparatus |
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| CN 201220744340 CN203269686U (en) | 2012-12-31 | 2012-12-31 | Heavy metal waste liquid modularization program control treatment apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910446A (en) * | 2012-12-31 | 2014-07-09 | 北京清大国华环保科技有限公司 | Method and device for modular programmed treatment of heavy metal waste liquid |
| CN106007083A (en) * | 2016-07-06 | 2016-10-12 | 崔金星 | Treatment device and method for waste liquid generated from COD value determination |
| WO2018148870A1 (en) * | 2017-02-14 | 2018-08-23 | 深圳市能源环保有限公司 | In-line heavy metal detection and solid waste dehazardization method |
| CN108554162A (en) * | 2018-04-24 | 2018-09-21 | 张燕 | A kind of process for producing a variety of biological deodorants using Domestic Waste Leachate |
-
2012
- 2012-12-31 CN CN 201220744340 patent/CN203269686U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910446A (en) * | 2012-12-31 | 2014-07-09 | 北京清大国华环保科技有限公司 | Method and device for modular programmed treatment of heavy metal waste liquid |
| CN106007083A (en) * | 2016-07-06 | 2016-10-12 | 崔金星 | Treatment device and method for waste liquid generated from COD value determination |
| WO2018148870A1 (en) * | 2017-02-14 | 2018-08-23 | 深圳市能源环保有限公司 | In-line heavy metal detection and solid waste dehazardization method |
| CN108554162A (en) * | 2018-04-24 | 2018-09-21 | 张燕 | A kind of process for producing a variety of biological deodorants using Domestic Waste Leachate |
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