CN208603898U - A kind of graphite waste water treatment system - Google Patents
A kind of graphite waste water treatment system Download PDFInfo
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- CN208603898U CN208603898U CN201821005427.0U CN201821005427U CN208603898U CN 208603898 U CN208603898 U CN 208603898U CN 201821005427 U CN201821005427 U CN 201821005427U CN 208603898 U CN208603898 U CN 208603898U
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Abstract
The utility model discloses a kind of graphite waste water treatment systems, including the primary sedimentation device, secondary precipitation device and Multistage filtering device being sequentially connected；Primary sedimentation device includes the neutralization reaction pond being sequentially connected, filter press；Secondary precipitation device includes the aeration tank being sequentially connected and secondary sedimentation tank, and aeration tank water inlet is connected with filter press water outlet, aeration tank water inlet also Zhi Lianyou soda acid and PAM chemicals feeder；Multistage filtering device includes the manganese sand filter being connected with secondary sedimentation tank, and the manganese sand filter water outlet is connected with ultrafilter；Ultrafilter is connected with osmosis filtration component.The utility model can successively be precipitated twice filtration treatment to waste water, finally utilize the ion isolation characteristic of each reverse osmosis filter, the salinity in waste water can effectively be removed, demineralized water can utilize again, realize wastewater zero discharge, secondary pollution is avoided, is widely portable in the processing of graphite waste water.
Description
Technical field
The utility model relates to technical field of waste water processing, and in particular to a kind of graphite waste water treatment system.
Background technique
With the fast development of the industries such as Chinese metallurgy, chemical industry, machinery, medical instrument, nuclear energy, automobile, aerospace, stone
The demand of ink and carbon product constantly increases, and China's graphite and carbon product industry will continue to keep quickly to increase in future
It is long.According to statistics, 2006-2011, China's graphite and carbon product industry income from sales annual compound growth rate are 36.56%.
And graphite can cause certain pollution during the manufacturing to environment, mainly include water pollution and atmospheric dust
Pollution；Wherein water pollution is mainly the soda waste water of blackshop generation, Ore Leaching waste water, washes sour waste water, aquadag object, vehicle
Between clean waste water.These graphite waste water are mainly characterized by: including acid and alkali substance and a small amount of metal ion, not only concentration in waste water
High and ingredient is complex, and harmfulness is bigger, belongs to a kind of industrial pollutants of national strict control, this kind of waste water pair
The ecological environment of surrounding causes serious influence.
Existing graphite waste water treatment process is that waste water is carried out to precipitating neutralization, oxidation filtering mostly, then direct emission, this
Although kind of a processing mode can reduce contamination index, due to needing required amount larger chemical agent, the yield of sludge can be made and bearing
Lotus increases, and the high concentration salt water contained in waste water also will cause secondary pollution.
Utility model content
It for the defects in the prior art, can the purpose of the utility model is to provide a kind of graphite waste water treatment system
The waste water discharged in graphite production process is effectively treated.
The technical solution adopted in the utility model is a kind of graphite waste water treatment system, primary heavy including what is be sequentially connected
Shallow lake device, secondary precipitation device and Multistage filtering device；
The primary sedimentation device includes the neutralization reaction pond being sequentially connected, filter press, the neutralization reaction pond Zhi Lianyou
Lime chemicals feeder；The secondary precipitation device includes the aeration tank being sequentially connected and secondary sedimentation tank, the aeration tank water inlet
It is connected with filter press water outlet, the aeration tank water inlet also Zhi Lianyou soda acid and PAM chemicals feeder；The Multistage filtering device
Including the manganese sand filter being connected with secondary sedimentation tank, the manganese sand filter water outlet is connected with ultrafilter；It is described super
Filtration filter is connected with osmosis filtration component, and the osmosis filtration component includes being sequentially connected the first-stage reverse osmosis filtering connect
The water outlet of device, two-pass reverse osmosis filter and three-level reverse osmosis filter, the three-level reverse osmosis filter is connected with evaporation
Device.
In the technical program, primary sedimentation device, the secondary precipitation device of graphite waste water treatment system can be successive to waste water
Filtration treatment is precipitated twice, and filtered waste water can finally be carried out at multistage filtering process by Multistage filtering device twice
Reason, and realize high efficiente callback, to reduce the wasting of resources.
Specifically, primary sedimentation device neutralization reaction pond can be neutralized, after graphite waste water flows into primary sedimentation basin,
Lime can be added in lime chemicals feeder into graphite waste water, and lime is rear after sufficiently reacting with graphite waste water to generate gypsum, in
It is flowed into filter press with the graphite waste water of reaction, the mixture in graphite waste water is pressed into mud cake under the action of filter press,
It realizes and is separated by solid-liquid separation, reduce the insolubles content in graphite waste water.
Secondary precipitation processing is then carried out by the filtered graphite waste water of filter press, graphite waste water is after filter press outflow
It introduces in aeration tank, under the aeration effect of aeration tank, the Mn contained in graphite waste water can be made2+、 Fe3+Oxidation forms insoluble
Object, the graphite waste water after forming insoluble matter, which is discharged into secondary sedimentation tank, carries out secondary precipitation, and soda acid and PAM chemicals feeder can be to aerations
Acid alkaline matter is added in pond to be reacted, PAM, that is, polyacrylamide, the polyacrylamide in aeration tank is added as flocculation
Agent, the suspended matter in the polymerizable graphite waste water of flocculant, it is ensured that suspended matter in graphite waste water can flocculation sedimentation, further decrease
Insoluble matter in graphite waste water.
Graphite waste water after secondary precipitation, which is introduced into Multistage filtering device, carries out multistage filtering, with secondary sedimentation tank phase
Manganese sand filter even can remove remaining iron ion, manganese ion in waste water, microorganism, glue in the removable water of ultrafilter
Body and partial organic substances then successively pass through first-stage reverse osmosis filter, two-pass reverse osmosis filter and three-level osmosis filtration
Device carries out reverse osmosis desalination filtering, and salt water separation, filtered desalination are carried out in the reverse osmosis membrane of each reverse osmosis filter
Water recoverable, haline water are then introduced into evaporator and are evaporated, so that the crystallization of forming salt, realizes wastewater zero discharge, removes
The purpose that salt water utilizes again.
Further, the neutralization reaction pond water inlet is connected with the conditioning tank for adjusting waste water.
In this way, conditioning tank can be used for stablizing graphite waste water, graphite waste water can be introduced first in conditioning tank, can be from inflow after stablizing
In neutralization reaction pond.
Further, the blender of stirring waste water is equipped in the neutralization reaction pond.
In this way, blender can continuously stir the graphite waste water in neutralization reaction pond, make graphite waste water and lime chemicals feeder
The lime of addition is sufficiently mixed, it is ensured that neutralization reaction is complete, while can ensure that neutralization reaction product under the action of blender
It does not precipitate, is filtered all to flow into filter press.
Further, the secondary sedimentation tank is connected by return pipe with neutralization reaction pond.
In this way, in secondary sedimentation tank the graphite waste water of not yet fully reacting can back flow back into neutralization reaction pond carry out it is secondary
Reaction improves the treatment effect to graphite waste water.
Further, intermediate pool, the water inlet of the intermediate pool are equipped between the secondary sedimentation tank and manganese sand filter
Mouth is connected with secondary sedimentation tank water outlet, and the water outlet of intermediate pool is connected by booster pump I with the water inlet of manganese sand filter.
In this way, the graphite waste water after secondary sedimentation tank precipitates can pass first into intermediate pool, graphite waste water is introduced
It is introduced into manganese sand filter after intermediate pool by booster pump I, there is manganese sand catalyst, in catalyst action in manganese sand filter
The iron ion of dissolved state or manganese ion can be oxidized into down compound not soluble in water.
Further, the water outlet of the ultrafilter is connected with ultrafiltration water tank, and the water outlet of the ultrafiltration water tank passes through
Cartridge filter is connected with the water inlet of first-stage reverse osmosis filter.
In this way, graphite waste water can introduce in ultrafiltration water tank after ultra-filtration filters in ultrafilter, in ultrafiltration water tank
Water introduces in first-stage reverse osmosis filter after cartridge filter filters and carries out osmosis filtration.
Further, lead between the first-stage reverse osmosis filter, two-pass reverse osmosis filter and three-level reverse osmosis filter
High-pressure pump is crossed to be connected.
In this way, filtered water can be pumped into addition next reverse osmosis transmission by high-pressure pump in reverse osmosis filters at different levels
In filter, filter effect is improved.
Further, it is connected between the water outlet of the ultrafiltration water tank and the water inlet of cartridge filter by booster pump II.
In this way, water in ultrafiltration water tank can be flowed into cartridge filter by booster pump II, booster pump II can increase into
Enter the hydraulic pressure in cartridge filter, improves filter effect.
Further, the water outlet of the three-level reverse osmosis filter also passes through return pipe II and is connected with ultrafiltration water tank.
In this way, the water in three-level reverse osmosis filter can also back flow back into ultrafiltration water tank by return pipe II carries out secondary counter
Permeation filtration improves desalination effect.
Further, the ultrafilter and manganese sand filter are respectively connected with backwashing pump, the water inlet of the backwashing pump with
Ultrafiltration water tank is connected.
In this way, backwashing pump can clean ultrafilter and manganese sand filter, water used is cleaned from ultrafiltration water tank, is made
It obtained drainage and is directly used in cleaning ultrafilter and manganese sand filter, ultrafilter and manganese sand filter not only can be improved
Filter effect, there are also significantly saved water resource.
The beneficial effects of the utility model are: graphite waste water treatment system provided by the utility model can be successive to waste water
Filtration treatment is precipitated twice, effectively removes the various sediments in graphite waste water, finally utilizes each reverse osmosis filter
Ion isolation characteristic, can effectively remove the salinity in waste water, demineralized water can utilize again, and high concentration salt water can pass through
The mode of evaporation crystallizes, to realize wastewater zero discharge, avoids secondary pollution, compared with conventional processes, has place
Manage the advantages that effect is good, without secondary pollution, demineralized water utilizes again, the degree of automation is good.Development of modern industry is more in line with to want
It asks, can be widely used in the processing of graphite waste water.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the process flow diagram of the utility model.
Fig. 2 is the osmosis filtration component connection schematic diagram of the utility model.
1- conditioning tank, 2- neutralization reaction pond, 3- lime chemicals feeder, 4- soda acid and PAM chemicals feeder, 5- filter press, 6- aeration
Pond, 7- secondary sedimentation tank, 8- intermediate pool, 9- manganese sand filter, 10- ultrafilter, 11- ultrafiltration water tank, 12- are reverse osmosis
Filter assemblies, 1201- first-stage reverse osmosis filter, 1202- two-pass reverse osmosis filter, 1203- three-level reverse osmosis filter,
13- evaporator, 14- high-pressure pump, 15- return pipe II, 16- cartridge filter.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.In the description of the present application, it is to be understood that the instructions such as term " on ", "lower", "top", "bottom"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
As depicted in figs. 1 and 2, a kind of graphite waste water treatment system provided by the present embodiment, including be sequentially connected one
Secondary settler, secondary precipitation device and Multistage filtering device；The primary sedimentation device of graphite waste water treatment system, secondary precipitation
Device can successively be precipitated twice filtration treatment to waste water, and filtered waste water can finally be filled process by multistage filtering twice
It sets and carries out multistage filtering processing, and realize high efficiente callback, to reduce the wasting of resources.
As shown in Figure 1, primary sedimentation device includes the neutralization reaction pond 2 being sequentially connected, filter press 5, neutralization reaction pond 2
It is connected with lime chemicals feeder 3；Primary sedimentation device neutralization reaction pond 2 can be neutralized, and graphite waste water flows into primary sedimentation basin
Afterwards, lime can be added in lime chemicals feeder 3 into graphite waste water, and lime is rear after sufficiently reacting with graphite waste water to generate gypsum, warp
The graphite waste water for crossing neutralization reaction flows into filter press 5, is pressed into the mixture in graphite waste water under the action of filter press 5
Mud cake is realized and is separated by solid-liquid separation, and reduces the insolubles content in graphite waste water, filter press 5 and lime chemicals feeder 3 belong to water process skill
Existing technical equipment in art can choose specific model and specification according to the actual situation when in use.
As shown in Figure 1, secondary precipitation device includes the aeration tank 6 being sequentially connected and secondary sedimentation tank 7, aeration tank 6 intakes
Mouth is connected with 5 water outlet of filter press, 6 water inlet of aeration tank also Zhi Lianyou soda acid and PAM chemicals feeder 4；After the filtering of filter press 5
Graphite waste water then carry out secondary precipitation processing, graphite waste water introduces in aeration tank 6 after the outflow of filter press 5, in aeration tank 6
Aeration effect under, the Mn contained in graphite waste water can be made2+、Fe3+Oxidation forms insoluble matter, and the graphite after forming insoluble matter is useless
Water, which is discharged into secondary sedimentation tank 7, carries out secondary precipitation, and acid basic species can be added in soda acid and PAM chemicals feeder 4 into aeration tank 6
Matter is reacted, PAM, that is, polyacrylamide, and the polyacrylamide in aeration tank 6 is added as flocculant, the polymerizable stone of flocculant
Suspended matter in black waste water, it is ensured that suspended matter in graphite waste water can flocculation sedimentation, further decrease insoluble in graphite waste water
Object.
As depicted in figs. 1 and 2, Multistage filtering device includes the manganese sand filter 9 being connected with secondary sedimentation tank 7, manganese sand mistake
9 water outlet of filter is connected with ultrafilter 10；Ultrafilter 10 is connected with osmosis filtration component 12, osmosis filtration group
Part 12 includes being sequentially connected the first-stage reverse osmosis filter 1201, two-pass reverse osmosis filter 1202 and three-level osmosis filtration connect
Device 1203, three-level reverse osmosis filter 1203 are also connected with evaporator 13.Graphite waste water after secondary precipitation introduces multistage
Multistage filtering is carried out in filter device, the manganese sand filter 9 being connected with secondary sedimentation tank 7 can remove in waste water remaining iron from
Son, manganese ion, ultrafilter 10 can remove microorganism, colloid and partial organic substances in water, then successively anti-by level-one
Percolating filter 1201, two-pass reverse osmosis filter 1202 and three-level reverse osmosis filter 1203 carry out reverse osmosis desalination filtering,
Salt water separation is carried out in the reverse osmosis membrane of each reverse osmosis filter, filtered demineralized water recoverable, haline water is then
It is introduced into evaporator 13 and is evaporated, so that the crystallization of forming salt, realizes the purpose that wastewater zero discharge, demineralized water utilize again,
In the present embodiment, manganese sand filter 9, ultrafilter 10 and reverse osmosis filter are all made of the common rule in water treatment field
Lattice and model can choose different specification and model according to actual needs.
As shown in Figure 1,2 water inlet of neutralization reaction pond is connected with the conditioning tank 1 for adjusting waste water.Conditioning tank 1 can be used for stablizing
Graphite waste water, graphite waste water can first introduce in conditioning tank 1, can be from inflow neutralization reaction pond 2 after stablizing.
As shown in Figure 1, being equipped with the blender of stirring waste water in neutralization reaction pond 2.It is anti-that blender can continuously stir neutralization
The graphite waste water in pond 2 is answered, the lime that graphite waste water is added with lime chemicals feeder 3 is sufficiently mixed, it is ensured that neutralization reaction is complete,
It can ensure that neutralization reaction product does not precipitate under the action of blender simultaneously, be filtered all to flow into filter press 5.
As shown in Figure 1, secondary sedimentation tank 7 is connected by return pipe with neutralization reaction pond 2.It is not yet anti-in secondary sedimentation tank 7
It answers complete graphite waste water that can back flow back into and carries out secondary response in neutralization reaction pond 2, improve the treatment effect to graphite waste water.
As shown in Figure 1, being equipped with intermediate pool 8, the water inlet of intermediate pool 8 between secondary sedimentation tank 7 and manganese sand filter 9
It is connected with 7 water outlet of secondary sedimentation tank, the water outlet of intermediate pool 8 passes through the water inlet phase of booster pump I and manganese sand filter 9
Even.Graphite waste water after the precipitating of secondary sedimentation tank 7 can pass first into intermediate pool 8, and graphite waste water introduces intermediate pool 8
It is introduced into manganese sand filter 9 by booster pump I afterwards, there is manganese sand catalyst in manganese sand filter 9, under the action of catalyst may be used
The iron ion of dissolved state or manganese ion are oxidized into compound not soluble in water.
As shown in Figure 1, the water outlet of ultrafilter 10 is connected with ultrafiltration water tank 11, the water outlet of ultrafiltration water tank 11 passes through
Cartridge filter 16 is connected with the water inlet of first-stage reverse osmosis filter 1201.Graphite waste water can be by super in ultrafilter 10
It is introduced in ultrafiltration water tank 11 after filtration filter, the water in ultrafiltration water tank 11 introduces first-stage reverse osmosis after the filtering of cartridge filter 16
Osmosis filtration is carried out in filter 1201.
As depicted in figs. 1 and 2, first-stage reverse osmosis filter 1201, two-pass reverse osmosis filter 1202 and three-level are reverse osmosis
It is connected between filter 1203 by high-pressure pump 14.Filtered water can be pumped by high-pressure pump 14 in reverse osmosis filters at different levels
Enter in other next reverse osmosis filter, improves filter effect.
As shown in Figure 1, passing through booster pump II phase between the water outlet of ultrafiltration water tank 11 and the water inlet of cartridge filter 16
Even.Water in ultrafiltration water tank 11 can be flowed into cartridge filter 16 by booster pump II, and booster pump II can increase into security personnel
Hydraulic pressure in filter 16 improves filter effect.
As depicted in figs. 1 and 2, the water outlet of three-level reverse osmosis filter 1203 also passes through return pipe II15 and ultrafiltration water
Case 11 is connected.Water in three-level reverse osmosis filter 1203 can also be back flowed back into ultrafiltration water tank 11 by return pipe II15 and carry out two
Secondary osmosis filtration improves desalination effect.
As shown in Figure 1, ultrafilter 10 and manganese sand filter 9 are respectively connected with backwashing pump, the water inlet of backwashing pump and super
Water filtering tank 11 is connected.Backwashing pump can clean ultrafilter 10 and manganese sand filter 9, clean water used from ultrafiltration water tank
11, so that crossing drainage is directly used in cleaning ultrafilter 10 and manganese sand filter 9, ultrafilter 10 and manganese not only can be improved
The filter effect of sand filter 9, there are also significantly saved water resource.
To sum up, the features such as the utility model has high treating effect, and processing cost is low.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should manage
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution should all cover in the claim of the utility model and the range of specification.
Claims (10)
1. a kind of graphite waste water treatment system, it is characterised in that: including primary sedimentation device, the secondary precipitation device being sequentially connected
And Multistage filtering device；
The primary sedimentation device includes the neutralization reaction pond (2) being sequentially connected, filter press (5), neutralization reaction pond (2) branch
It is connected with lime chemicals feeder (3)；
The secondary precipitation device includes the aeration tank (6) being sequentially connected and secondary sedimentation tank (7), aeration tank (6) water inlet
Mouth is connected with filter press (5) water outlet, aeration tank (6) water inlet also Zhi Lianyou soda acid and PAM chemicals feeder (4)；
The Multistage filtering device includes the manganese sand filter (9) being connected with secondary sedimentation tank (7), the manganese sand filter (9)
Water outlet is connected with ultrafilter (10)；
The ultrafilter (10) is connected with osmosis filtration component (12), and the osmosis filtration component (12) includes successively
First-stage reverse osmosis filter (1201), two-pass reverse osmosis filter (1202) and the three-level reverse osmosis filter being connected
(1203), the water outlet of the three-level reverse osmosis filter (1203) is connected with evaporator (13).
2. graphite waste water treatment system according to claim 1, it is characterised in that:
Neutralization reaction pond (2) water inlet is connected with the conditioning tank (1) for adjusting waste water.
3. graphite waste water treatment system according to claim 1, it is characterised in that:
The blender of stirring waste water is equipped in the neutralization reaction pond (2).
4. graphite waste water treatment system according to claim 1, it is characterised in that:
The secondary sedimentation tank (7) is connected by return pipe with neutralization reaction pond (2).
5. graphite waste water treatment system according to claim 1, it is characterised in that:
Intermediate pool (8) are equipped between the secondary sedimentation tank (7) and manganese sand filter (9), the water inlet of the intermediate pool (8)
Mouthful be connected with secondary sedimentation tank (7) water outlet, the water outlet of intermediate pool (8) pass through booster pump I and manganese sand filter (9) into
The mouth of a river is connected.
6. graphite waste water treatment system according to claim 1, it is characterised in that:
The water outlet of the ultrafilter (10) is connected with ultrafiltration water tank (11), and the water outlet of the ultrafiltration water tank (11) is logical
Cartridge filter (16) is crossed to be connected with the water inlet of first-stage reverse osmosis filter (1201).
7. graphite waste water treatment system according to claim 1, it is characterised in that:
The first-stage reverse osmosis filter (1201), two-pass reverse osmosis filter (1202) and three-level reverse osmosis filter (1203)
Between by high-pressure pump (14) be connected.
8. graphite waste water treatment system according to claim 6, it is characterised in that:
It is connected between the water outlet of the ultrafiltration water tank (11) and the water inlet of cartridge filter (16) by booster pump II.
9. graphite waste water treatment system according to claim 1, it is characterised in that:
The water outlet of the three-level reverse osmosis filter (1203) also passes through return pipe II (15) and is connected with ultrafiltration water tank (11).
10. graphite waste water treatment system according to claim 1, it is characterised in that:
The ultrafilter (10) and manganese sand filter (9) are respectively connected with backwashing pump, the water inlet of the backwashing pump and ultrafiltration
Water tank (11) is connected.
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| CN201821005427.0U CN208603898U (en) | 2018-06-27 | 2018-06-27 | A kind of graphite waste water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821005427.0U CN208603898U (en) | 2018-06-27 | 2018-06-27 | A kind of graphite waste water treatment system |
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| CN208603898U true CN208603898U (en) | 2019-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045093A (en) * | 2021-03-19 | 2021-06-29 | 黔南民族师范学院 | Treatment method of graphite product production wastewater |
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2018
- 2018-06-27 CN CN201821005427.0U patent/CN208603898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045093A (en) * | 2021-03-19 | 2021-06-29 | 黔南民族师范学院 | Treatment method of graphite product production wastewater |
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Address after: 101105 no.2-79, Juhe 6th Street, Jufuyuan national industry development base, Tongzhou District, Beijing Patentee after: Rate Hydrogen Technology (Beijing) Co.,Ltd. Address before: 101105 no.2-79, Juhe 6th Street, Jufuyuan national industry development base, Tongzhou District, Beijing Patentee before: RIGHTLEDER (BEIJING) ENVIRONMENT TECHNOLOGY CO.,LTD. |