CN104505554B - A kind of method of comprehensive utilization of waste and old lead acid accumulator - Google Patents
A kind of method of comprehensive utilization of waste and old lead acid accumulator Download PDFInfo
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- CN104505554B CN104505554B CN201410733658.3A CN201410733658A CN104505554B CN 104505554 B CN104505554 B CN 104505554B CN 201410733658 A CN201410733658 A CN 201410733658A CN 104505554 B CN104505554 B CN 104505554B
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- China
- Prior art keywords
- lead
- acid
- acid accumulator
- waste
- accumulator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Abstract
The invention discloses the method for comprehensive utilization of a kind of waste and old lead acid accumulator, it is that waste and old lead acid accumulator is discharged spent acid, this spent acid is used for Sulphuric acid, fine grinding again after then carrying out lead-acid accumulator twice crushing, then sort, the material calcining that will obtain, the superfine lead powder obtained is mixed with industrial crude Hydrocerussitum (Ceruse), adds water and sulphuric acid, after being uniformly mixed, obtaining active substance slip, this active substance slip is for the negative plate cream of lead-acid accumulator.After the present invention is by carrying out lead-acid accumulator twice crushing, carry out fine grinding again, the recycling of follow-up lead can be effectively facilitated, leaded material is used for preparing the active substance slip of the negative plate cream being used for lead-acid accumulator, the metallic elements such as lead, hydrargyrum, cadmium, chromium and manganese contained in lead-acid accumulator are utilized, improve economic benefit, and avoid above-mentioned metal discharge and cause environmental pollution in environment.
Description
Technical field
The present invention relates to scrap concrete technical field, it particularly relates to a kind of waste and old lead acid
The method of comprehensive utilization of accumulator.
Background technology
Waste and old lead acid accumulator is first-class by positive/negative plate, dividing plate, housing, electrolyte and wiring pile
Composition, containing lead and compound thereof in waste and old lead battery, possibly together with hydrargyrum, cadmium, chromium and
The electrolyte solutions such as the metals such as manganese and acid, once enter human body, can insulting nervous system,
Hemopoietic function and kidney etc., the heavy metal that the lead-acid accumulator arbitrarily thrown is decomposed is containing poisonous useless
Liquid, can destroy ecological balance, be detrimental to health.China has produced 300,000 tons of scrap lead acid every year
Accumulator, usual waste and old lead acid accumulator reclaim produce lead mud, main component be lead sulfate,
Lead oxide, Lead oxide brown and sulphuric acid, may separate out monomer lead by thermal decomposition, but lead sulfate
Decomposition temperature be up to more than 900 degree, catabolite vulcanized lead is also required to enter at relatively high temperatures
Line replacement, the method not only results in environmental pollution, and energy consumption is high, and the response rate of lead is relatively low,
It is about 80%.China's current waste lead storage battery utilization obstacle can be summarized as following side
Face: 1, recycling channel is unordered；2, treatment technology falls behind；3, energy consumption level is high；4, reclaim
Utilization rate is low.
Summary of the invention
In view of this, it is an object of the invention to provide and a kind of reclaim lead from waste and old lead acid accumulator
Method, with solve the energy consumption that prior art exists when waste and old lead acid accumulator reclaims lead high,
The response rate is low and causes environmental pollution and the deficiency that exists.
The present invention solves above-mentioned technical problem by the following technical programs:
The method of comprehensive utilization of a kind of waste and old lead acid accumulator, comprises the following steps:
(1) the waste and old lead acid accumulator bear of band shell is discharged spent acid, this spent acid is used
Accumulator tank is collected and is sent into Sulphuric acid workshop Sulphuric acid, and lead-acid accumulator punch press then carries out the
Primary fragmentation, then crush further with alligator, then use ball mill fine grinding；
(2) the lead-acid accumulator special tower gravity classifier after step (1) being processed enters
Row sorting, it is thus achieved that light material, middle pledge material and heavier feeds；
(3) by the light material of acquisition and heavier feeds in step (2) at 500-600 DEG C
Under the conditions of calcine 3-4h, it is thus achieved that superfine lead powder；
(4) superfine lead powder that step (3) obtains is mixed with industrial crude Hydrocerussitum (Ceruse), add water
And sulphuric acid, after being uniformly mixed, it is thus achieved that active substance slip, wherein, superfine lead powder, work
The mass ratio of industry lead bullion powder, water and sulphuric acid is 10:35-45:60-65:37-39.
In described step (1), the most broken granularity is 200-300mm, breaks further
Broken rear granularity is 60-100mm, and after fine grinding, granularity is 10-15mm.
Described light material is the mixture such as epoxy resin particle, fiber and plastics, middle pledge
Material is lead and metal, and heavier feeds is lead, lead oxide, Lead oxide brown and lead sulfate
Mixture.
In described step (3), superfine lead powder is the mixture of lead and lead oxide.
Described active substance slip is for the negative plate cream of lead-acid accumulator.
The beneficial effects of the present invention is: the present invention is by carrying out twice crushing by lead-acid accumulator
After, then carry out fine grinding, the recycling of follow-up lead can be effectively facilitated, leaded material is used for
Preparation, for the active substance slip of the negative plate cream of lead-acid accumulator, significantly improves lead
Recovery utilization rate, and by metal units such as hydrargyrum, cadmium, chromium and manganese contained in lead-acid accumulator
Element is utilized, and improves economic benefit, and avoids above-mentioned metal discharge in environment
Cause environmental pollution.
Detailed description of the invention
Those skilled in the art understands for convenience, is the present invention below in conjunction with embodiment
Further description.Embodiment is only the illustration to this invention, not to the present invention
Limiting, the step not making in embodiment to illustrate is all prior art, does not do at this and retouches in detail
State.
Embodiment one
The method of comprehensive utilization of a kind of waste and old lead acid accumulator, comprises the following steps:
(1) the waste and old lead acid accumulator bear of band shell is discharged spent acid, this spent acid is used
Accumulator tank is collected and is sent into Sulphuric acid workshop Sulphuric acid, and lead-acid accumulator punch press then carries out the
Primary fragmentation to granularity is 200mm, then is crushed to granularity with alligator further and is
60mm, then to be finely ground to granularity with ball mill be 10mm；
(2) the lead-acid accumulator special tower gravity classifier after step (1) being processed enters
Row sorting, it is thus achieved that light material, middle pledge material and heavier feeds, described light material is ring
The mixture such as epoxy resins particle, fiber and plastics, middle pledge material is lead and metal, weight
Pledge material is the mixture of lead, lead oxide, Lead oxide brown and lead sulfate；
(3) by the light material that obtains in step (2) and heavier feeds the condition of 500 DEG C
Lower calcining 4h, it is thus achieved that superfine lead powder, described superfine lead powder is the mixture of lead and lead oxide；
(4) superfine lead powder that step (3) obtains is mixed with industrial crude Hydrocerussitum (Ceruse), add water
And sulphuric acid, after being uniformly mixed, it is thus achieved that active substance slip, described active substance slip is used
In the negative plate cream of lead-acid accumulator, wherein, superfine lead powder, industrial crude Hydrocerussitum (Ceruse), water and sulfur
The mass ratio of acid is 10:35:60:37.
Embodiment two
The method of comprehensive utilization of a kind of waste and old lead acid accumulator, comprises the following steps:
(1) the waste and old lead acid accumulator bear of band shell is discharged spent acid, this spent acid is used
Accumulator tank is collected and is sent into Sulphuric acid workshop Sulphuric acid, and lead-acid accumulator punch press then carries out the
Primary fragmentation to granularity is 300mm, then is crushed to granularity with alligator further and is
100mm, then to be finely ground to granularity with ball mill be 15mm；
(2) the lead-acid accumulator special tower gravity classifier after step (1) being processed enters
Row sorting, it is thus achieved that light material, middle pledge material and heavier feeds, described light material is ring
The mixture such as epoxy resins particle, fiber and plastics, middle pledge material is lead and metal, weight
Pledge material is the mixture of lead, lead oxide, Lead oxide brown and lead sulfate；
(3) by the light material that obtains in step (2) and heavier feeds the condition of 600 DEG C
Lower calcining 3h, it is thus achieved that superfine lead powder, described superfine lead powder is the mixture of lead and lead oxide；
(4) superfine lead powder that step (3) obtains is mixed with industrial crude Hydrocerussitum (Ceruse), add water
And sulphuric acid, after being uniformly mixed, it is thus achieved that active substance slip, described active substance slip is used
In the negative plate cream of lead-acid accumulator, wherein, superfine lead powder, industrial crude Hydrocerussitum (Ceruse), water and sulfur
The mass ratio of acid is 10:45:65:39.
Embodiment three
The method of comprehensive utilization of a kind of waste and old lead acid accumulator, comprises the following steps:
(1) the waste and old lead acid accumulator bear of band shell is discharged spent acid, this spent acid is used
Accumulator tank is collected and is sent into Sulphuric acid workshop Sulphuric acid, and lead-acid accumulator punch press then carries out the
Primary fragmentation to granularity is 250mm, then is crushed to granularity with alligator further and is
80mm, then to be finely ground to granularity with ball mill be 12mm；
(2) the lead-acid accumulator special tower gravity classifier after step (1) being processed enters
Row sorting, it is thus achieved that light material, middle pledge material and heavier feeds, described light material is ring
The mixture such as epoxy resins particle, fiber and plastics, middle pledge material is lead and metal, weight
Pledge material is the mixture of lead, lead oxide, Lead oxide brown and lead sulfate；
(3) by the light material that obtains in step (2) and heavier feeds the condition of 550 DEG C
Lower calcining 3.5h, it is thus achieved that superfine lead powder, described superfine lead powder is the mixture of lead and lead oxide；
(4) superfine lead powder that step (3) obtains is mixed with industrial crude Hydrocerussitum (Ceruse), add water
And sulphuric acid, after being uniformly mixed, it is thus achieved that active substance slip, described active substance slip is used
In the negative plate cream of lead-acid accumulator, wherein, superfine lead powder, industrial crude Hydrocerussitum (Ceruse), water and sulfur
The mass ratio of acid is 10:40:62:38.
Claims (5)
1. the method for comprehensive utilization of a waste and old lead acid accumulator, it is characterised in that include with
Lower step:
(1) the waste and old lead acid accumulator bear of band shell is discharged spent acid, this spent acid is used
Accumulator tank is collected and is sent into Sulphuric acid workshop Sulphuric acid, and lead-acid accumulator punch press then carries out the
Primary fragmentation, then crush further with alligator, then use ball mill fine grinding；
(2) the lead-acid accumulator special tower gravity classifier after step (1) being processed enters
Row sorting, it is thus achieved that light material, middle pledge material and heavier feeds；
(3) by the light material of acquisition and heavier feeds in step (2) at 500-600 DEG C
Under the conditions of calcine 3-4h, it is thus achieved that superfine lead powder；
(4) superfine lead powder that step (3) obtains is mixed with industrial crude Hydrocerussitum (Ceruse), add water
And sulphuric acid, after being uniformly mixed, it is thus achieved that active substance slip, wherein, superfine lead powder, work
The mass ratio of industry lead bullion powder, water and sulphuric acid is 10:35-45:60-65:37-39.
2. the method for comprehensive utilization of waste and old lead acid accumulator as claimed in claim 1, it is special
Levying and be, in described step (1), the most broken granularity is 200-300mm, enters one
After step is broken, granularity is 60-100mm, and after fine grinding, granularity is 10-15mm.
3. the method for comprehensive utilization of waste and old lead acid accumulator as claimed in claim 1, it is special
Levying and be, described light material is the mixture of epoxy resin particle, fiber and plastics, in
Pledge material is lead and metal, and heavier feeds is lead, lead oxide, Lead oxide brown and sulphuric acid
The mixture of lead.
4. the method for comprehensive utilization of waste and old lead acid accumulator as claimed in claim 1, it is special
Levying and be, in described step (3), superfine lead powder is the mixture of lead and lead oxide.
5. the method for comprehensive utilization of waste and old lead acid accumulator as claimed in claim 1, it is special
Levying and be, described active substance slip is for the negative plate cream of lead-acid accumulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410733658.3A CN104505554B (en) | 2014-12-04 | 2014-12-04 | A kind of method of comprehensive utilization of waste and old lead acid accumulator |
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| CN201410733658.3A CN104505554B (en) | 2014-12-04 | 2014-12-04 | A kind of method of comprehensive utilization of waste and old lead acid accumulator |
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| CN104505554A CN104505554A (en) | 2015-04-08 |
| CN104505554B true CN104505554B (en) | 2016-08-17 |
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| CN104953192A (en) * | 2015-06-12 | 2015-09-30 | 河北师范大学 | Preparation method of Pb-containing lead-acid battery negative electrode additive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170203A (en) * | 2007-11-20 | 2008-04-30 | 浙江工业大学 | A crash selection method for thrown lead acid accumulator and special tower gravity selector |
| CN103184340A (en) * | 2011-12-31 | 2013-07-03 | 深圳市雄韬电源科技股份有限公司 | Method for recovering lead plaster of negative pole of disused lead acid storage battery and application of recovered lead plaster |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVA20070007A1 (en) * | 2007-01-17 | 2008-07-18 | Millbrook Lead Recycling Techn | RECOVERY OF THE LEAD OF HIGH-PURITY CARBONATE UNIFORM PASTEL RECOVERY FROM THE CRUSHING OF EXHAUSTED LEAD ACCUMULATORS |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170203A (en) * | 2007-11-20 | 2008-04-30 | 浙江工业大学 | A crash selection method for thrown lead acid accumulator and special tower gravity selector |
| CN103184340A (en) * | 2011-12-31 | 2013-07-03 | 深圳市雄韬电源科技股份有限公司 | Method for recovering lead plaster of negative pole of disused lead acid storage battery and application of recovered lead plaster |
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Granted publication date: 20160817 Termination date: 20191204 |