CN207347180U - A kind of system comprehensively utilized to Aluminum sludge - Google Patents
A kind of system comprehensively utilized to Aluminum sludge Download PDFInfo
- Publication number
- CN207347180U CN207347180U CN201721299118.4U CN201721299118U CN207347180U CN 207347180 U CN207347180 U CN 207347180U CN 201721299118 U CN201721299118 U CN 201721299118U CN 207347180 U CN207347180 U CN 207347180U
- Authority
- CN
- China
- Prior art keywords
- solid
- equipment
- separating liquid
- export
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a kind of system comprehensively utilized to Aluminum sludge.The system of the utility model includes：Dissolving device；The port of export connection of first equipment for separating liquid from solid, its input end and dissolving device；Calcium retracting device, it includes the reaction unit set gradually and the second equipment for separating liquid from solid, and the input end of reaction unit is connected with the port of export of the first equipment for separating liquid from solid；Iron removal device, it includes the oxidation unit set gradually and cation-exchange chromatography device, and the input end of oxidation unit is connected with the port of export of the second equipment for separating liquid from solid；Alum recovery device, it includes neutralization device, the 3rd equipment for separating liquid from solid, wash mill and the drying device set gradually, and the input end for neutralizing device is connected with the port of export of cation-exchange chromatography device.When being comprehensively utilized using the system of the utility model to Aluminum sludge, the rate of recovery of aluminium is high, and the purity for recycling product is high, has significant economy, environmental and social benefits.
Description
Technical field
It the utility model is related to a kind of Aluminum sludge treating system, and in particular to a kind of that Aluminum sludge is comprehensively utilized
System.
Background technology
Aluminum sludge is the industrial emissions produced in aluminium section bar process, its component and property are sufficiently complex, mainly
Component includes Al (OH)3、Al2O3, other components further include calcium, iron, potassium, sodium etc..At present, major part aluminium section bar plant in China's is to aluminium
The processing mode of industry sludge is filled after being directly neutralized using quick lime, and which can cause largely have economic valency
The aluminium resource waste of value, and high landfill expense had not only exacerbated the environmental protection pressure of enterprise, but also environmental pressure is brought, additionally
Processing cost additionally is increased, so that the protection of ecological environment and the sustainable use of resource can not be taken into account.
The rich aluminium component characteristic of Aluminum sludge shows that it has higher recycling potentiality, is such as subject to reasonably exploitation profit
With, it can not only realize that the recycling of aluminium recycles, while environmental pollution is reduced, greatly reduce the environmental protection of aluminium enterprise
Burden.However, existing Aluminum recycling sludge processing system is mostly not fine enough, it is low not only result in the rate of recovery of aluminium, in addition
Usually also contain the impurity such as calcium, iron in obtained aluminum-containing products, thus greatly reduce the utility value of aluminum-containing products.Therefore,
Especially expect that a kind of aluminium recovery is high and recycles the high system comprehensively utilized to Aluminum sludge of product purity.
Utility model content
The utility model provides a kind of system comprehensively utilized to Aluminum sludge, using the system to Aluminum sludge into
During row comprehensive utilization, the rate of recovery of aluminium is high, recycles the purity height of product in addition, has significant economy, environmental and social benefits.
The utility model provides a kind of system comprehensively utilized to Aluminum sludge, including：
Dissolving device；
First equipment for separating liquid from solid, its input end are connected with the port of export of the dissolving device；
Calcium retracting device, it includes the reaction unit set gradually and the second equipment for separating liquid from solid, the reaction unit
Input end is connected with the port of export of first equipment for separating liquid from solid；
Iron removal device, it includes the oxidation unit set gradually and cation-exchange chromatography device, the oxidation unit
Input end be connected with the port of export of second equipment for separating liquid from solid；
Alum recovery device, it includes neutralization device, the 3rd equipment for separating liquid from solid, wash mill and the dry dress set gradually
Put, the input end for neutralizing device is connected with the port of export of the cation-exchange chromatography device.
Further, the system of the utility model further includes breaker, the breaker and the dissolving device
The import of Aluminum sludge connects；Breaker is used to carry out break process to Aluminum sludge, so as to be conducive to the components such as calcium, aluminium from aluminium
Completely disengaged in industry sludge.
Further, the breaker is bruisher or crusher；Wherein, bruisher be used for by Aluminum sludge smash to pieces to
Puffy；There are the larger solid sludges of block hardness in Aluminum sludge, can be crushed using crusher.
In the utility model, dissolving device is used to carry out dissolution to Aluminum sludge so as to form the dissolution containing calcium and aluminium
Liquid；Wherein, Aluminum sludge is the industrial emissions produced in aluminium section bar process, it is not limited strictly, Aluminum sludge
Moisture content can be 60-70wt%, aluminium content can be more than 5wt%, and calcium content can be more than 5wt%.
Specifically, concentration can be used to carry out dissolution to Aluminum sludge for the water soluble alkali solution of 2-3mol/L；Wherein, it is right
The specific species of water soluble alkali solution does not limit strictly, such as can be NaOH solution etc..The concentration pair of water soluble alkali solution
The recycling of aluminium, which has, to be significantly affected, and during the excessive concentration of water soluble alkali solution, may influence cation exchange resin to Fe3+'s
Absorption property, so as to reduce the purity of aluminum hydroxide product；When the concentration of water soluble alkali solution is too low, the component such as calcium, aluminium can not
Complete dissolution, can reduce its rate of recovery.The concentration of suitable water soluble alkali solution should be arranged to 2-3mol/L, the concentration range
It can either make the complete dissolution of the components such as calcium, aluminium, ensure the rate of recovery of the components such as calcium, aluminium, while aluminum hydroxide product will not be reduced
Purity.
Further, the dissolving device has mixing component；Mixing component is easy to carry out dissolution under agitation, from
And be conducive to the release of the component such as calcium, aluminium in Aluminum sludge.
In addition, the dosage of water soluble alkali solution does not limit strictly during to dissolution, as long as Aluminum sludge can be submerged；
Specifically, the water soluble alkali solution that 15-25L can be added per 10kg Aluminums sludge carries out dissolution.In addition, stirring speed during dissolution
Degree can be 150-200r/min, be further 180-200r/min；The temperature of dissolution can be room temperature；The time of dissolution can be with
It is further 25-30min for 20-30min.
In the utility model, the first equipment for separating liquid from solid is used to carry out separation of solid and liquid to the dissolution fluid so as to be contained
There is the filtrate of calcium and aluminium；Specifically, the first equipment for separating liquid from solid is used to separate except the solids in dissolution fluid, suspended matter etc.,
Usual manner can be used to carry out separation of solid and liquid, such as filtering, centrifugation etc..
In one embodiment, the first equipment for separating liquid from solid is filter press.
Further, the filter press is polypropylene plate and frame filter press；The polypropylene plate and frame filter press can avoid alkalescence
Dissolution fluid its filter medium is damaged.
Further, the aperture of the filter medium of the filter press is 600-700 mesh.Aluminium is returned in the aperture of filter medium
Receive to have and significantly affect, when the aperture of filter medium is too small, dissolution fluid is not easy to filter, so as to influence the actual behaviour of separation of solid and liquid
Make；When the aperture of filter medium is excessive, partial suspended thing can be entered in filtrate so as to be adversely affected to subsequent treatment, into
And reduce the purity of product；The aperture of suitable filter medium should be arranged to 600-700 mesh, which advantageously ensures that
Product purity, while the practical operation of separation of solid and liquid is not influenced.
In the utility model, calcium retracting device is used to recycle the calcium in above-mentioned first filtrate so as to obtain calcium carbonate production
Product；Specifically, the calcium that reaction unit is used to make in the first filtrate and the soluble carbonate salt reaction generation calcium carbonate added, second
Equipment for separating liquid from solid is used to carry out separation of solid and liquid to reaction product so as to recycle calcium carbonate product, and above-mentioned reaction unit and second are consolidated
Liquid separating apparatus all can be this area conventional equipment.
In one embodiment, second equipment for separating liquid from solid is plate and frame filter press；Plate and frame filter press can be well
Separation of solid and liquid is carried out to reaction product, consequently facilitating recycling obtains calcium carbonate product.
In the utility model, iron removal device is used to remove the iron in the second filtrate；Specifically, oxidation unit is used to incite somebody to action
Fe in second filtrate2+It is oxidized to Fe3+, cation-exchange chromatography device is for adsorbing Fe3+Removed so as to reach in the second filtrate
Iron purpose.
Relative to directly being handled the second filtrate using cation-exchange chromatography device, first using oxidation unit by the
Fe in two filtrates2+It is oxidized to Fe3+, then handled again using cation-exchange chromatography device, can be preferably to second
Iron in filtrate is removed, so as to be conducive to improve the purity of aluminum-containing products.
Oxidant does not limit strictly used by oxidation unit, preferably environment-friendly type oxidant, such as hydrogen peroxide etc.,
The mass content of hydrogen peroxide can be 30% or so.In addition, the time of the dosage and oxidation to oxidant does not limit strictly, only
It can make Fe2+It is completely oxidized to Fe3+；Specifically, the hydrogen peroxide that 80-150mL can be added per kg Aluminums sludge carries out
Oxidation, the time that can control oxidation in addition is 2-5min.
Further, the cation-exchange chromatography device is filled with cation exchange resin；To cation exchange resin
Do not limit strictly, as long as Fe can be adsorbed3+So that it be removed from the second filtrate, for example, can using D001 sun from
Sub-exchange resin, it is to Fe3+Acted on good Adsorption.
In the utility model, alum recovery device is used to recycle aluminium from the treatment fluid so as to obtain aluminum-containing products, its
In, the neutralization that device is used for strong acid solution (i.e. neutralizer) and the treatment fluid is neutralized, so as to form Al (OH)3Precipitation；3rd
Equipment for separating liquid from solid is used to carry out separation of solid and liquid to the mixed liquor after neutralization, so as to collect Al (OH)3Precipitation；Wash mill is used for
To Al (OH)3Precipitation is washed；Drying device is used for the Al (OH) after washing3Precipitation is dried, so as to obtain Al
(OH)3Product (i.e. aluminum-containing products).Above-mentioned each device all can be this area conventional equipment,
Further, the 3rd equipment for separating liquid from solid is plate and frame filter press, and the drying device is baking oven.
The specific species of the strong acid solution used to neutralizing device does not limit strictly, such as can be HCl solution etc.；It is special
It is not that the concentration of HCl solution is unsuitable excessive, otherwise can cause Al (OH)3So as to reduce its rate of recovery, suitable concentration is for dissolving
2-3mol/L。
Significantly affected in addition, the amount (i.e. the whole pH value of system) for adding strong acid solution has the rate of recovery of aluminium, suitable
PH value range should be arranged to 8.0-8.2；The pH value range can make Al (OH)3Fully precipitation, is conducive to improve the recycling of aluminium
Rate.
The system of the utility model can make the components such as calcium in Aluminum sludge, aluminium from Aluminum by setting dissolving device
Spin off in sludge, consequently facilitating follow-up separation and recycling；The system of the utility model is by setting iron removal device, energy
It is enough that iron is removed, so as to improve the purity of recycling product；The system of the utility model by set calcium retracting device and
Alum recovery device, can recycle the calcium in Aluminum sludge and aluminium, it is achieved thereby that the recycling of Aluminum sludge.On
The system of stating can solve Aluminum sludge in the prior art and recycle that difficult, minimizing is difficult, the purity of recycling aluminium hydroxide is low, impurity
The problems such as content is high, technical step is cumbersome, dosing is big, personnel depaly is more, when handling Aluminum sludge, the rate of recovery of aluminium can
Up to more than 98%, the purity of obtained aluminum hydroxide product reaches more than 99%, has good economy, environment and society's effect
Benefit.
Brief description of the drawings
Fig. 1 is the structure diagram of the system comprehensively utilized to Aluminum sludge of one embodiment of the utility model；
Fig. 2 is to Aluminum sludge using one embodiment of the utility model to the system that Aluminum sludge is comprehensively utilized
The process flow chart comprehensively utilized.
Description of reference numerals：
1：Dissolving device；2：First equipment for separating liquid from solid；3：Reaction unit；4：Second equipment for separating liquid from solid；5：Oxidation dress
Put；6：Cation-exchange chromatography device；7：Neutralize device；8：3rd equipment for separating liquid from solid；9：Wash mill；10：Drying device；
11：Breaker.
Embodiment
To make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the attached of the utility model
Figure and embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
It is the utility model part of the embodiment to apply example, instead of all the embodiments.Based on the embodiment in the utility model, ability
Domain those of ordinary skill all other embodiments obtained without making creative work, it is new to belong to this practicality
The scope of type protection.
As shown in Figure 1, the system comprehensively utilized to Aluminum sludge of the utility model, including：Dissolving device 1；The
One equipment for separating liquid from solid 2, its input end are connected with the port of export of dissolving device 1；Calcium retracting device, it includes setting gradually anti-
3 and second equipment for separating liquid from solid 4 of device is answered, the input end of reaction unit 3 is connected with the port of export of the first equipment for separating liquid from solid 2；
Iron removal device, it includes the oxidation unit 5 set gradually and cation-exchange chromatography device 6, the input end of oxidation unit 5 with
The port of export connection of second equipment for separating liquid from solid 4；Alum recovery device, it includes neutralization device 7, the 3rd solid-liquid point set gradually
From device 8, wash mill 9 and drying device 10, the input end of device 7 and the port of export of cation-exchange chromatography device 6 are neutralized
Connection.
The system of the utility model can be used for comprehensively utilizing Aluminum sludge；Wherein, Aluminum sludge is that aluminium section bar adds
The industrial emissions produced during work, do not limit it strictly.Specifically, the moisture content of Aluminum sludge can be 60-
70wt%, aluminium content can be more than 5wt%, and calcium content can be more than 5wt%.
Further, said system can also include breaker 11, the port of export and the dissolving device 1 of breaker 11
Input end connects；Breaker 11 is used to carry out break process to Aluminum sludge, so that it is dirty from Aluminum to be conducive to the components such as calcium, aluminium
Completely disengaged in mud.
The utility model does not limit breaker 11 strictly, can be bruisher or crusher；Wherein, bruisher can
For smashing to pieces Aluminum sludge to puffy, and there are the larger solid sludges of block hardness in Aluminum sludge, can use broken
Broken machine is crushed.
In the utility model, dissolving device 1 is used to carry out dissolution to Aluminum sludge so as to form the dissolution containing calcium, aluminium
Liquid；Its concrete structure is not limited strictly, can be the conventional equipment of this area.Particularly, dissolving device 1 can have and stir
Component is mixed, consequently facilitating carrying out dissolution under agitation, is conducive to the release of the component such as calcium, aluminium, iron in Aluminum sludge.
In the utility model, concentration can be used to be carried out for the water soluble alkali solution of 2-3mol/L to Aluminum sludge molten
Go out；Wherein, the specific species of water soluble alkali solution is not limited strictly, such as can is NaOH solution etc..Soluble alkali soluble
Recycling of the concentration of liquid on aluminium, which has, to be significantly affected, and during the excessive concentration of water soluble alkali solution, may influence cation exchange
Resin is to Fe3+Absorption property, so as to reduce the purity of aluminum hydroxide product；When the concentration of water soluble alkali solution is too low, calcium, aluminium
Deng component can not complete dissolution, its rate of recovery can be reduced.The concentration of suitable water soluble alkali solution should be arranged to 2-3mol/L,
The concentration range can either make the complete dissolution of the components such as calcium, aluminium, ensure the rate of recovery of the components such as calcium, aluminium, while will not reduce hydrogen
The purity of alumina product.
In addition, the dosage of water soluble alkali solution does not limit strictly during to dissolution, as long as Aluminum sludge can be submerged；
Specifically, the water soluble alkali solution that 15-25L can be added per 10kg Aluminums sludge carries out dissolution.In addition, stirring speed during dissolution
Degree can be 150-200r/min, be further 180-200r/min；The temperature of dissolution can be room temperature；The time of dissolution can be with
It is further 25-30min for 20-30min.
It is understood that after carrying out dissolution to Aluminum sludge using the NaOH solution of 2-3mol/L, in Aluminum sludge
Aluminium is with sodium metaaluminate (NaAlO2) form be present in dissolution fluid.
In the utility model, the first equipment for separating liquid from solid 2 is used to carry out separation of solid and liquid to dissolution fluid so as to be contained
First filtrate of calcium, aluminium；It is not limited strictly, can be the equipment for separating liquid from solid of this area routine.Specifically, first is solid
Liquid separating apparatus 2 is used to separate except the solids in dissolution fluid, suspended matter etc., usual manner can be used to carry out solid-liquid point
From, such as filtering, centrifugation etc..
In one embodiment, the first equipment for separating liquid from solid 2 can be filter press；Specifically, filter press can be poly- third
Alkene plate and frame filter press；The polypropylene plate and frame filter press can avoid the dissolution fluid of alkalescence from damaging its filter medium.
Further, the aperture of the filter medium of filter press is 600-700 mesh.Recycling tool of the aperture of filter medium to aluminium
Have a significant impact, when the aperture of filter medium is too small, dissolution fluid is not easy to filter, so as to influence the practical operation of separation of solid and liquid；Cross
When the aperture of filter medium is excessive, partial suspended thing can be entered in filtrate so as to be adversely affected to subsequent treatment, and then is dropped
The purity of low product；The aperture of suitable filter medium should be arranged to 600-700 mesh, which advantageously ensures that product
Purity, while the practical operation of separation of solid and liquid is not influenced.
In the utility model, calcium retracting device is used to recycle the calcium in above-mentioned first filtrate so as to obtain calcium carbonate production
Product；Specifically, the calcium that reaction unit 3 is used to make in the first filtrate and the carbonate reaction generation calcium carbonate added, the second solid-liquid
Separator 4 is used to carry out separation of solid and liquid to reaction product so as to recycle calcium carbonate product, above-mentioned 3 and second solid-liquid of reaction unit
Separator 4 all can be this area conventional equipment.
When recycling calcium, soluble carbonate salt is not limited strictly, such as can be sodium carbonate etc., soluble carbonate salt
Concentration can be 8-12mol/L.In addition, the temperature of above-mentioned reaction can be room temperature, the time of above-mentioned reaction can be 15-
30min。
In one embodiment, the second equipment for separating liquid from solid 4 can be plate and frame filter press, it well can produce reaction
Thing carries out separation of solid and liquid, consequently facilitating recycling obtains calcium carbonate product.
In the utility model, iron removal device is used to remove the iron in the second filtrate；Specifically, oxidation unit 5 is used for
By the Fe in the second filtrate2+It is oxidized to Fe3+, cation-exchange chromatography device 6 is for adsorbing Fe3+So as to reach the filter of removal second
The purpose of iron in liquid.
The utility model to oxidation unit used by oxidant do not limit strictly, be preferably environment-friendly type oxidant, example
Such as hydrogen peroxide, the mass content of hydrogen peroxide can be 30% or so.In addition, the time of the dosage and oxidation to oxidant is not made
Stringent limitation, as long as Fe can be made2+It is completely oxidized to Fe3+；Specifically, 80-150mL can be added per kg Aluminums sludge
Hydrogen peroxide aoxidized, the time that can control oxidation in addition is 2-5min.
Further, cation-exchange chromatography device 6 is filled with cation exchange resin；Cation exchange resin is not made
Stringent limitation, as long as Fe can be adsorbed3+So as to which it be removed from the second filtrate, such as D001 cations can be used to hand over
Resin is changed, it is to Fe3+Acted on good Adsorption.
In the utility model, alum recovery device is used to recycle aluminium from treatment fluid so as to obtain aluminum-containing products, wherein, in
It is used for the neutralization of strong acid solution (i.e. neutralizer) and treatment fluid with device 7, so as to form Al (OH)3Precipitation；3rd separation of solid and liquid
Device 8 is used to carry out separation of solid and liquid to the mixed liquor after neutralization, so as to collect Al (OH)3Precipitation；Wash mill 9 is used for Al
(OH)3Precipitation is washed；Drying device 10 is used for the Al (OH) after washing3Precipitation is dried, so as to obtain Al (OH)3
Product (i.e. aluminum-containing products).Above-mentioned each device all can be this area conventional equipment.
In one embodiment, the 3rd equipment for separating liquid from solid 8 can be plate and frame filter press etc., and drying device 10 can be to dry
Case etc..
The specific species for the strong acid solution that the utility model is used to neutralizing device does not limit strictly, such as can be
HCl solution etc.；Particularly, the concentration of HCl solution is unsuitable excessive, otherwise can cause Al (OH)3Dissolve so as to reduce its rate of recovery,
Suitable concentration is 2-3mol/L.
Significantly affected in addition, the amount (i.e. the whole pH value of system) for adding strong acid solution has the rate of recovery of aluminium, suitable
PH value range should be arranged to 8.0-8.2；The pH value range can make Al (OH)3Fully precipitation, is conducive to improve the recycling of aluminium
Rate.
The system of the utility model can make the components such as calcium in Aluminum sludge, aluminium from Aluminum by setting dissolving device
Spin off in sludge, consequently facilitating follow-up separation and recycling；The system of the utility model is by setting iron removal device, energy
It is enough that iron is removed, so as to improve the purity of recycling product；The system of the utility model by set calcium retracting device and
Alum recovery device, can recycle the calcium in Aluminum sludge and aluminium, it is achieved thereby that the recycling of Aluminum sludge.On
The system of stating can solve Aluminum sludge in the prior art and recycle that difficult, minimizing is difficult, the purity of recycling aluminium hydroxide is low, impurity
The problems such as content is high, technical step is cumbersome, dosing is big, personnel depaly is more, when handling Aluminum sludge, the rate of recovery of aluminium can
Up to more than 98%, the purity of obtained aluminum hydroxide product reaches more than 99%, has good economy, environment and society's effect
Benefit.
With reference to shown in Fig. 2, Aluminum sludge is comprehensively utilized using said system, may include steps of：
1st, dissolution
Aluminum sludge comes from aluminium section bar plant sewage sediment, its moisture content is 60-70wt%, and aluminium content is left for 5.5wt%
The right side, calcium content are 5wt% or so, and iron content is 0.06wt% or so.
First, Aluminum sludge is smashed to pieces to puffy using breaker 11, as there is block hardness larger in Aluminum sludge
Solid sludges when, crushed using breaker 11.
Then, the Aluminum sludge disintegrating slag after 10kg is crushed is sent to dissolving device 1, and 2mol/L is added into dissolving device 1
Sodium hydroxide solution 20L, make sodium hydroxide solution submerge Aluminum sludge；Then, in the stirring speed of room temperature condition, 180r/min
The lower dissolution 30min of degree, obtains the dissolution fluid containing calcium and aluminium.
2nd, separation of solid and liquid
Above-mentioned dissolution fluid subsequently enters the first equipment for separating liquid from solid 2, and the first equipment for separating liquid from solid 2 carries out above-mentioned dissolution fluid
Press filtration, the aperture of the filter medium of the first equipment for separating liquid from solid 2 is 600 mesh, collects filtrate (being known as the first filtrate) and filter respectively
Slag.
First filtrate subsequently enters the recycling that calcium is carried out in calcium retracting device, containing calcium and a small amount of aluminium in filter residue, its
Recycled after the outflow of the first equipment for separating liquid from solid 2 available for ceramic process industry.
3rd, calcium recycles
Above-mentioned first filtrate is sent to reaction unit 3, sodium carbonate liquor is added into reaction unit 3 and is reacted, first
Calcium in filtrate generates calcium carbonate with the sodium carbonate reaction added.
Then, reaction product subsequently enters the second equipment for separating liquid from solid 4 and carries out separation of solid and liquid, obtains calcium carbonate and the second filter
Liquid.
4th, iron removaling is gone
Above-mentioned second filtrate subsequently enters oxidation unit 5, and the hydrogen peroxide that mass content is 30% is added into oxidation unit 5
120mL, stands and aoxidizes 5min, the Fe in the second filtrate2+It is oxidized to Fe3+。
Then, oxidation product enters cation-exchange chromatography device 6, loaded in cation-exchange chromatography device 6 sun from
Fe in sub-exchange resin adsorption and oxidation product3+So that it is removed from the second filtrate, the treatment fluid after collection processing.
5th, aluminium is recycled
Above-mentioned treatment fluid is sent to device 7 is neutralized, the HCl solution of 2mol/L is added in device 7 to the pH of system to neutralizing
Value reaches 8.0 or so, and treatment fluid generates Al (OH) with HCl solution reaction3。
Then, press filtration is carried out using the second equipment for separating liquid from solid 8, collects filter cake, it is repeatedly washed using wash mill 9
Filter, then be dried in 106 DEG C of drying device 10, obtain white aluminum-containing products.
After testing, the rate of recovery of aluminium is 98%, and the content of aluminium hydroxide is 99.5wt% in aluminum-containing products；In addition, collect
And merge whole waste liquids；After testing, Al in waste liquid3+Content is about 10ppm, Ca2+Content is about 35ppm, Fe3+Content is about
5ppm, waste liquid are neutral solution, and concentration of metal ions is low, easy to directly discharge or further recycle.
When being comprehensively utilized using the system of the utility model to Aluminum sludge, the filter residue of generation can be used for preparing brick
Block, cement further increase the utilization rate of Aluminum sludge for building material industry or ceramic process industry；In addition, row
It is low to go out the metal ion in solution concentration of system, Al3+Content is less than 20ppm, Ca2+Content is less than 50ppm, Fe3+Content is 5-
10ppm, by simple process i.e. can reach discharge standard or Treated sewage reusing, not generation environment pollute, have good economy,
Environmental and social benefits.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. system comprehensively utilized to Aluminum sludge, it is characterised in that including：Dissolving device；First equipment for separating liquid from solid, its input end are connected with the port of export of the dissolving device；Calcium retracting device, it includes the reaction unit set gradually and the second equipment for separating liquid from solid, the import of the reaction unit End is connected with the port of export of first equipment for separating liquid from solid；Iron removal device, it includes the oxidation unit set gradually and cation-exchange chromatography device, the oxidation unit into Mouth end is connected with the port of export of second equipment for separating liquid from solid；Alum recovery device, it includes neutralization device, the 3rd equipment for separating liquid from solid, wash mill and the drying device set gradually, The input end for neutralizing device is connected with the port of export of the cation-exchange chromatography device.
- 2. system according to claim 1, it is characterised in that further include breaker, the port of export of the breaker It is connected with the input end of the dissolving device.
- 3. system according to claim 2, it is characterised in that the breaker is bruisher or crusher.
- 4. system according to claim 1, it is characterised in that the dissolving device has mixing component.
- 5. system according to claim 1, it is characterised in that first equipment for separating liquid from solid is filter press.
- 6. system according to claim 5, it is characterised in that the filter press is polypropylene plate and frame filter press.
- 7. system according to claim 5, it is characterised in that the aperture of the filter medium of the filter press is 600-700 Mesh.
- 8. system according to claim 1, it is characterised in that second equipment for separating liquid from solid is plate and frame filter press.
- 9. system according to claim 1, it is characterised in that the cation-exchange chromatography device is filled with cation friendship Change resin.
- 10. system according to claim 1, it is characterised in that the 3rd equipment for separating liquid from solid is plate and frame filter press, institute It is baking oven to state drying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299118.4U CN207347180U (en) | 2017-10-10 | 2017-10-10 | A kind of system comprehensively utilized to Aluminum sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299118.4U CN207347180U (en) | 2017-10-10 | 2017-10-10 | A kind of system comprehensively utilized to Aluminum sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347180U true CN207347180U (en) | 2018-05-11 |
Family
ID=62357630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721299118.4U Active CN207347180U (en) | 2017-10-10 | 2017-10-10 | A kind of system comprehensively utilized to Aluminum sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207347180U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650419A (en) * | 2017-10-10 | 2019-04-19 | 广东科达洁能股份有限公司 | The method and system that a kind of pair of Aluminum sludge is comprehensively utilized |
| CN110066080A (en) * | 2019-04-03 | 2019-07-30 | 广东兴发环境科技有限公司 | Sludge recycles technique in a kind of processing of aluminum profile |
| CN109650419B (en) * | 2017-10-10 | 2024-07-02 | 广东科达洁能股份有限公司 | Method and system for comprehensively utilizing aluminum industry sludge |
-
2017
- 2017-10-10 CN CN201721299118.4U patent/CN207347180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650419A (en) * | 2017-10-10 | 2019-04-19 | 广东科达洁能股份有限公司 | The method and system that a kind of pair of Aluminum sludge is comprehensively utilized |
| CN109650419B (en) * | 2017-10-10 | 2024-07-02 | 广东科达洁能股份有限公司 | Method and system for comprehensively utilizing aluminum industry sludge |
| CN110066080A (en) * | 2019-04-03 | 2019-07-30 | 广东兴发环境科技有限公司 | Sludge recycles technique in a kind of processing of aluminum profile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101209873B (en) | Method for separating and recovering chromium from waste residue containing hexavalent chromium | |
| CN104649286A (en) | Method for producing sodium metaborate and sodium perborate from boronic concentrate | |
| CN103058253A (en) | Method for preparing gypsum by free sulfuric acid in titanium dioxide wastewater | |
| CN109078962A (en) | Combined treatment method of arsenic-containing acidic wastewater, red mud and carbide slag | |
| CN103408204A (en) | Method for performing dealkalization on Bayer process red mud by using fluorgypsum | |
| CN106745016A (en) | A kind of method of separation and concentration lithium, aluminium, silicon from flyash | |
| CN103031443A (en) | Method of dealkalizing red mud and recovering aluminum and iron | |
| CN106145164A (en) | The method preparing lithium carbonate from lepidolite | |
| CN100418877C (en) | Ultra-high purity purifying technique for native graphite | |
| CN105502426A (en) | Method for preparing water glass through extracting silicon oxide from chrysotile tailings by strong-base roasting method | |
| CN207347180U (en) | A kind of system comprehensively utilized to Aluminum sludge | |
| CN106365189A (en) | Comprehensive utilization method of silicon residue soil | |
| CN103466713A (en) | Method for preparing manganese sulfate monohydrate with low-grade manganese ore through primary crystallization by high-pressure method | |
| CN104071954A (en) | Method of treating high-iron red mud by alkaline process for deep dealkalization and iron enrichment | |
| CN105036803A (en) | Method for preparing gilvous occlusion pigment from cadmium-containing waste acid solution generated in acid pickling process | |
| WO2024051103A1 (en) | Phosphogypsum recovery method | |
| CN114314778A (en) | Method for producing water purifying agent and white carbon black by roasting-free and reinforced acid leaching coal gangue | |
| CN107337216A (en) | A kind of method that potassium feldspar hydro-thermal alkaline process prepares potassium hydroxide | |
| CN101538058A (en) | Low-temperature low-pressure hydro chemical method for recovering aluminum oxide and sodium oxide from red mud | |
| CN107399888A (en) | The recovery method of aluminium in a kind of aluminium section bar plant sludge | |
| CN207405051U (en) | A kind of system that calcium and aluminium are recycled in the sludge from Aluminum | |
| CN111689509B (en) | Device and method for preparing micro-powder calcium carbonate by using carbide slag | |
| CN115571922A (en) | Process for recovering sodium carbonate and magnetic iron oxide from red mud by using carbon dioxide | |
| CN115305574A (en) | Method for rapidly preparing crystal whisker by using phosphogypsum and saline water | |
| CN208265987U (en) | A kind of Aluminum sludge treating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |