CN204097248U - Heavy metal-polluted acid Waste Water Treatment - Google Patents
Heavy metal-polluted acid Waste Water Treatment Download PDFInfo
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- CN204097248U CN204097248U CN201420648054.4U CN201420648054U CN204097248U CN 204097248 U CN204097248 U CN 204097248U CN 201420648054 U CN201420648054 U CN 201420648054U CN 204097248 U CN204097248 U CN 204097248U
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- reactive tank
- chemicals dosing
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Abstract
The utility model provides a kind of heavy metal-polluted acid Waste Water Treatment, comprise the dirt acid equalizing tank connected successively, first milk of lime reactive tank, first chamber-type press filter, first reactive tank, first efficient thickening pond, comprehensive wastewater equalizing tank, second milk of lime reactive tank, second chamber-type press filter, second reactive tank, 3rd reactive tank, second efficient thickening pond, descaling and antiscaling instrument, 4th reactive tank, 5th reactive tank, inclined-plate clarifying basin, air flotation pool, intermediate pool, pump, zeolite filter, active carbon adsorber, active carbon adsorber is connected to discharge supervision pond and reuse pool.The treatment effect of native system process heavy metal acid water is better, by Hhigh-efficient thickener and chamber-type press filter, the sand setting produced in treating processes and mud are processed, prevent mud from producing secondary pollution to environment, obtain clear water with process to rinse active carbon adsorber and zeolite adsorber, the sewage of flushing is disposed in comprehensive wastewater equalizing tank and again processes.
Description
Technical field
The utility model belongs to the Waste Water Treatment of field of Environment Protection, more specifically relates to a kind of heavy metal-polluted acid Waste Water Treatment.
Background technology
Sewage composition H in dirty acid
2sO4 be 2.38g/L, Hg be 0.14g/L, F be 0.03g/L, Cl be 3.3g/L, Cd is 1.85mg/L, Zn up to 158g/L, As is 4.99mg/L, belongs to high containing H
2sO4 measures, and As, Hg, Pb, Cd in the water quality of high heavy metal content, particularly sewage are that toxic substance is very harmful to the environment mankind, is that the national first kind requires treated substance.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of and avoids the good heavy metal-polluted acid Waste Water Treatment of the treatment effect of secondary pollution.
In order to reach above-mentioned technique effect, the technical solution of the utility model is as follows:
Heavy metal-polluted acid Waste Water Treatment, comprises the dirt acid equalizing tank connected successively, first milk of lime reactive tank, first chamber-type press filter, first reactive tank, first efficient thickening pond, comprehensive wastewater equalizing tank, second milk of lime reactive tank, second chamber-type press filter, second reactive tank, 3rd reactive tank, second efficient thickening pond, descaling and antiscaling instrument, 4th reactive tank, 5th reactive tank, inclined-plate clarifying basin, air flotation pool, intermediate pool, pump, zeolite filter, active carbon adsorber, active carbon adsorber is connected to discharge supervision pond and reuse pool, discharge supervision pond connects magnetic flow meter, reuse pool is connected with frequency conversion water supply facility, vacuum primingpump is provided with between dirty sour equalizing tank and milk of lime reactive tank, first efficient thickening pond is connected with the first chamber-type press filter by the first underflow pump, first chamber-type press filter is connected with the first efficient thickening pond, second efficient thickening pond is connected with the second chamber-type press filter by the second underflow pump, second chamber-type press filter is connected with the second efficient thickening pond, inclined-plate clarifying basin and air flotation pool are connected with sludge thickener, sludge thickener is connected with three-box type pressure filter, discharge supervision pond is connected with active carbon adsorber and zeolite filter respectively by recoil pump, and backwashing pump and zeolite filter are connected with comprehensive wastewater equalizing tank respectively.
In some embodiments, first reactive tank is provided with two covers, be connected to lime chemicals dosing plant and alkali chemicals dosing plant successively, second reactive tank is connected with lime chemicals dosing plant, 3rd reactive tank is provided with three covers, be connected to sour chemicals dosing plant, alkali chemicals dosing plant and polyacrylamide chemicals dosing plant successively, 4th reactive tank is provided with two covers, be connected to lime chemicals dosing plant and sour chemicals dosing plant successively, 5th reactive tank is provided with two covers, is connected to polyacrylamide chemicals dosing plant and alkali chemicals dosing plant successively.
In some embodiments, air flotation pool is connected with polyacrylamide chemicals dosing plant and polymerize aluminum chloride chemicals dosing plant.
In some embodiments, reuse pool is connected with sour chemicals dosing plant.
In some embodiments, the first reactive tank, the second reactive tank, the 3rd reactive tank, the 4th reactive tank and the 5th reactive tank are connected to pH auto-controlling apparatus.
In some embodiments, agitator is connected in the first reactive tank, the second reactive tank, the 3rd reactive tank, the 4th reactive tank and the 5th reactive tank.
In some embodiments, be provided with natural crystal in zeolite filter, the specific surface area of natural crystal is 500 ~ 1000m
2/ kg.
Its beneficial effect is: the treatment effect of native system process heavy metal acid water is better, by Hhigh-efficient thickener and chamber-type press filter, the sand setting produced in treating processes and mud are processed, prevent mud from producing secondary pollution to environment, obtain clear water with process to rinse active carbon adsorber and zeolite adsorber, the sewage of flushing is disposed in comprehensive wastewater equalizing tank and again processes.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of the utility model one embodiment heavy metal-polluted acid Waste Water Treatment.
Embodiment
As shown in Figure 1, the utility model provides a kind of heavy metal-polluted acid Waste Water Treatment, comprises the dirt acid equalizing tank 1 connected successively, first milk of lime reactive tank 2, first chamber-type press filter 3, first reactive tank 4, first efficient thickening pond 5, comprehensive wastewater equalizing tank 6, second milk of lime reactive tank 7, second chamber-type press filter 8, second reactive tank 9, 3rd reactive tank 10, second efficient thickening pond 11, descaling and antiscaling instrument 12, 4th reactive tank 13, 5th reactive tank 14, inclined-plate clarifying basin 15, air flotation pool 16, intermediate pool 17, zeolite filter 18 and active carbon adsorber 19, active carbon adsorber 19 is connected to discharge supervision pond 20 and reuse pool 21, discharge supervision pond 20 connects magnetic flow meter 201, reuse pool 21 is connected with frequency conversion water supply facility 211, vacuum primingpump is provided with between dirty sour equalizing tank 1 and milk of lime reactive tank, first efficient thickening pond 5 is connected with three-box type pressure filter 52 by the first underflow pump 51, three-box type pressure filter 52 is connected with the first efficient thickening pond 5, second efficient thickening pond 11 is connected with the 4th chamber-type press filter 112 by the second underflow pump 111,4th chamber-type press filter 112 is connected with the second efficient thickening pond 11, inclined-plate clarifying basin 15 and air flotation pool 16 are connected with sludge thickener 156, sludge thickener 156 is connected with the 5th chamber-type press filter 157, discharge supervision pond 20 is connected with active carbon adsorber 19 and zeolite filter 18 respectively by recoil pump 22.
First reactive tank 4 is provided with two covers, be connected to lime chemicals dosing plant and alkali chemicals dosing plant successively, second reactive tank 9 is connected with lime chemicals dosing plant, 3rd reactive tank 10 is provided with three covers, be connected to sour chemicals dosing plant, alkali chemicals dosing plant and polyacrylamide chemicals dosing plant successively, the 4th reactive tank 13 is provided with two covers, is connected to lime chemicals dosing plant and sour chemicals dosing plant successively, 5th reactive tank 14 is provided with two covers, is connected to polyacrylamide chemicals dosing plant and alkali chemicals dosing plant successively.Air flotation pool 16 is connected with polyacrylamide chemicals dosing plant and polymerize aluminum chloride chemicals dosing plant.Reuse pool 21 is connected with sour chemicals dosing plant.First reactive tank 4, second reactive tank 9, the 3rd reactive tank 10, the 4th reactive tank 13 and the 5th reactive tank 14 are connected to pH auto-controlling apparatus.Agitator is connected in first reactive tank 4, second reactive tank 9, the 3rd reactive tank 10, the 4th reactive tank 13 and the 5th reactive tank 14.Be provided with natural crystal in zeolite filter 18, the specific surface area of natural crystal is 500 ~ 1000m
2/ kg.
Acid water in dirty sour equalizing tank 1 is inhaled in the first milk of lime reactive tank 2 by vacuum primingpump, in the first milk of lime reactive tank 2, to acid water feeding lime, pre-treatment is carried out to it, sulfuric acid in lime and acid water forms calcium sulfate precipitation, be promoted to the first chamber-type press filter 3 through the pretreated waste water of the first milk of lime reactive tank 2 by vacuum primingpump and carry out mud-water separation, by the first chamber-type press filter 3, dirty acid waste liquid is entered in the first reactive tank 4 again, feeding lime and sodium hydroxide in the first reactive tanks 4 is overlapped respectively to two successively by lime chemicals dosing plant and alkali chemicals dosing plant, sulfuric acid in acid water and arsenic form calcium sulfate and iron arsenite precipitation respectively, mercury in acid water forms hydroxide floc under weak base condition, make mercury Precipitation.
Mixture in first reactive tank 4 is transported in the first efficient thickening pond 5, entered in comprehensive wastewater equalizing tank 6 after mixture is carried out gravity settling separation by the first efficient thickening pond 5, the gypsum of its beds of precipitation pumps in three-box type pressure filter 52 by the second underflow pump 51, transported outward by automobile by obtaining mud after three-box type pressure filter 52 press filtration, the gypsum of generation can be sold.
Comprehensive wastewater equalizing tank 6 is concrete structure, the material of liner is glass reinforced plastic, prevent from being corroded by acid water, be again transported to second milk of lime reactive tank 7 in after the acid water inputted and the acid water of zinc hydrometallurgy abundant mixing placement for some time in comprehensive wastewater equalizing tank 6 is stable by the first efficient thickening pond 5.
In the second milk of lime reactive tank 7, add lime by lime chemicals dosing plant and carry out pre-treatment to it, in lime and acid water, sulfuric acid forms calcium sulfate precipitation.
Be promoted to the second chamber-type press filter 8 through the pretreated waste liquid of the second milk of lime reactive tank 7 by vacuum primingpump and carry out mud-water separation, by the second chamber-type press filter 8, dirty acid waste liquid is entered in the second reactive tank 9 again, by lime chemicals dosing plant to feeding lime in the second reactive tank 9, again the dirty acid waste liquid mixture in the second reactive tank 9 is delivered in the 3rd reactive tank 10, by sour chemicals dosing plant, alkali chemicals dosing plant and polyacrylamide chemicals dosing plant are to adding acid successively in three cover the 3rd reactive tanks 10 respectively, alkali and polyacrylamide, make the lead in the acid water in the 3rd reactive tank 10, zinc, cadmium and copper become oxyhydroxide flocculent precipitate and separate out, acid water produces heavy metal flocculent precipitate and is transported in the second efficient thickening pond 11 and carries out separating treatment after the second reactive tank 9 and the process of the 3rd reactive tank 10.
Waste liquid after mixture is carried out gravity settling separation by the second efficient thickening pond 11 enters the 4th reactive tank 13 and the 5th reactive tank 14 by descaling and antiscaling instrument 12, the gypsum of its beds of precipitation pumps in the 4th chamber-type press filter 112 by the second underflow pump 111, transported outward by automobile by obtaining mud after the 4th chamber-type press filter 112 press filtration, the gypsum of generation can be sold.
The 4th reactive tank 13 feeding lime and acid are overlapped respectively to two successively by lime chemicals dosing plant and sour chemicals dosing plant, polyacrylamide and sodium hydroxide is added respectively in the 5th reactive tank 14 successively by polyacrylamide chemicals dosing plant and alkali chemicals dosing plant, to remove the mercury of fluorine in acid water and remnants, in the 4th reactive tank 13 and the 5th reactive tank 14, add lime, the fluorine in lime and acid water forms calcium fluoride precipitate.
Dirty acid waste liquid in 5th reactive tank 14 is directly discharged to be put in inclined-plate clarifying basin 15, heavy metal hydroxide in dirty acid waste liquid, fluorochemical and the precipitated removal in inclined-plate clarifying basin 15 of other other suspended solidss, after inclined-plate clarifying basin 15 processes, acid water is discharged in air flotation pool 16; Air flotation pool 16 carries out advanced treatment to dirty acid waste liquid, and sets up coagulation end in air flotation pool 16 front end and add polymerize aluminum chloride and polyacrylamide, removes the heavy metal in dirty acid waste liquid further.Clear water in air flotation pool 16 flows into intermediate pool 17, and the throw out in air flotation pool 16 and inclined-plate clarifying basin 15 is discharged in sludge thickener 156, obtain mud drain into the 5th chamber-type press filter 157 press filtration after sludge thickener 156 processes after to be transported outward by automobile, the gypsum generated can be sold, and the 5th chamber-type press filter 157 obtains filtrate and drained back in comprehensive wastewater equalizing tank 6 and again process.
Air flotation pool 16 water outlet to intermediate pool, for zeolite filter 18 provides water source.
In order to prevent still having the residual of the heavy metal of trace after chemical precipitation, air-flotation process, in zeolite filter 18 pairs of clear water, heavy metal has good Adsorption effect.
Active carbon adsorber 19 is safeguardss of native system, and the gac in active carbon adsorber 19 has good adsorption to heavy metal ion such as arsenic, mercury, lead, cadmiums, and the organic impurity simultaneously also in adsorbable water and colourity, guarantee the water quality reaching standard of discharge water.
Obtaining clear water 90% through process is transported in meeting millpond, and 10% is disposed in discharge supervision pond 20.Enter in reuse pool 21 and its pH value is adjusted to about 8.5, guarantee that water pH value is up to standard, the clear water in reuse pool 21 is exported by frequency conversion water supply facility 211, can be used for plant area's greening etc.; Clear water in discharge supervision pond 20 is inflated activity cover adsorber and zeolite filter 18 by recoil pump 22.
The treatment effect of native system process heavy metal acid water is better, by Hhigh-efficient thickener and chamber-type press filter, the sand setting produced in treating processes and mud are processed, prevent mud from producing secondary pollution to environment, obtain clear water with process to rinse active carbon adsorber 19 and zeolite adsorber, the sewage of flushing is disposed in comprehensive wastewater equalizing tank 6 and again processes.
The above is only the preferred implementation of the utility model heavy metal-polluted acid Waste Water Treatment; for those skilled in the art; under the prerequisite not paying creative work, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. heavy metal-polluted acid Waste Water Treatment, is characterized in that, comprises the dirt acid equalizing tank connected successively, first milk of lime reactive tank, first chamber-type press filter, first reactive tank, first efficient thickening pond, comprehensive wastewater equalizing tank, second milk of lime reactive tank, second chamber-type press filter, second reactive tank, 3rd reactive tank, second efficient thickening pond, descaling and antiscaling instrument, 4th reactive tank, 5th reactive tank, inclined-plate clarifying basin, air flotation pool, intermediate pool, pump, zeolite filter, active carbon adsorber, described active carbon adsorber is connected to discharge supervision pond and reuse pool, described discharge supervision pond connects magnetic flow meter, described reuse pool is connected with frequency conversion water supply facility, vacuum primingpump is provided with between the sour equalizing tank of described dirt and milk of lime reactive tank, described first efficient thickening pond is connected with the first chamber-type press filter by the first underflow pump, described first chamber-type press filter is connected with the described first efficient thickening pond, described second efficient thickening pond is connected with the second chamber-type press filter by the second underflow pump, described second chamber-type press filter is connected with the described second efficient thickening pond, described inclined-plate clarifying basin and air flotation pool are connected with sludge thickener, described sludge thickener is connected with three-box type pressure filter, described discharge supervision pond is connected with active carbon adsorber and zeolite filter respectively by recoil pump, described backwashing pump and zeolite filter are connected with comprehensive wastewater equalizing tank respectively.
2. heavy metal-polluted acid Waste Water Treatment according to claim 1, it is characterized in that, described first reactive tank is provided with two covers, be connected to lime chemicals dosing plant and alkali chemicals dosing plant successively, described second reactive tank is connected with lime chemicals dosing plant, described 3rd reactive tank is provided with three covers, be connected to sour chemicals dosing plant successively, alkali chemicals dosing plant and polyacrylamide chemicals dosing plant, described 4th reactive tank is provided with two covers, be connected to lime chemicals dosing plant and sour chemicals dosing plant successively, described 5th reactive tank is provided with two covers, be connected to polyacrylamide chemicals dosing plant and alkali chemicals dosing plant successively.
3. heavy metal-polluted acid Waste Water Treatment according to claim 1, is characterized in that, described air flotation pool is connected with polyacrylamide chemicals dosing plant and polymerize aluminum chloride chemicals dosing plant.
4. heavy metal-polluted acid Waste Water Treatment according to claim 1, is characterized in that, described reuse pool is connected with sour chemicals dosing plant.
5. heavy metal-polluted acid Waste Water Treatment according to claim 1, is characterized in that, described first reactive tank, the second reactive tank, the 3rd reactive tank, the 4th reactive tank and the 5th reactive tank are connected to pH auto-controlling apparatus.
6. heavy metal-polluted acid Waste Water Treatment according to claim 1, is characterized in that, is connected to agitator in described first reactive tank, the second reactive tank, the 3rd reactive tank, the 4th reactive tank and the 5th reactive tank.
7. heavy metal-polluted acid Waste Water Treatment according to claim 1, is characterized in that, is provided with natural crystal in described zeolite filter, and the specific surface area of described natural crystal is 500 ~ 1000m
2/ kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648054.4U CN204097248U (en) | 2014-11-03 | 2014-11-03 | Heavy metal-polluted acid Waste Water Treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648054.4U CN204097248U (en) | 2014-11-03 | 2014-11-03 | Heavy metal-polluted acid Waste Water Treatment |
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| Publication Number | Publication Date |
|---|---|
| CN204097248U true CN204097248U (en) | 2015-01-14 |
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|---|---|---|---|
| CN201420648054.4U Expired - Fee Related CN204097248U (en) | 2014-11-03 | 2014-11-03 | Heavy metal-polluted acid Waste Water Treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621725A (en) * | 2014-11-03 | 2016-06-01 | 江苏巨达环保科技有限公司 | Heavy metal pollution acid wastewater treatment system |
-
2014
- 2014-11-03 CN CN201420648054.4U patent/CN204097248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621725A (en) * | 2014-11-03 | 2016-06-01 | 江苏巨达环保科技有限公司 | Heavy metal pollution acid wastewater treatment system |
| CN105621725B (en) * | 2014-11-03 | 2018-08-17 | 江苏巨达环保科技有限公司 | Heavy metal-polluted acid waste water treatment system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20161103 |