CN105846005B - The broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator - Google Patents

The broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator Download PDF

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Publication number
CN105846005B
CN105846005B CN201610173266.5A CN201610173266A CN105846005B CN 105846005 B CN105846005 B CN 105846005B CN 201610173266 A CN201610173266 A CN 201610173266A CN 105846005 B CN105846005 B CN 105846005B
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China
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lead
grid
mud
battery
hydroseparator
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CN201610173266.5A
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Chinese (zh)
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CN105846005A (en
Inventor
朱保义
沈岑宽
任永刚
吴国庆
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安徽华铂再生资源科技有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

Abstract

A kind of broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator, the working principle of the system is exactly: being crushed using reaction type hammer mill to used and scrapped battery, broken material is cleaned using vibrating screen and isolates lead plaster, according to the physical characteristic of battery fragment material (specific gravity of several materials is different), it is combined using the buoyancy of water with compressed air and material is separated, various materials are finally transported to by different storehouses using screw conveyor and are stacked.

Description

The broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator

Technical field

The present invention relates to lead-acid battery recovery technology fields, and in particular to a kind of waste and old lead acid accumulator is broken apart primary Property energy-saving reclaiming process.

Background technique

Undesirable due to urban traffic conditions at present, the citizen for buying electric bicycle are more and more, general electronic Bicycle all uses one group 3 pieces or 4 pieces of lead-acid batteries, and weight is about between 12 to 16 kilograms.Lead-acid battery is mainly by lead, sulphur Acid and other metals of part and plastics composition.Such battery is pressed average life 1 year, so there is a large amount of lead-acid battery every year It scraps, quantity is big troubling, and the unordered management of lead-acid battery has become a serious social concern.Pedlars purchase back Manual disassembling itself and acid pickle is outwelled on the spot after waste lead acid battery, the lead grill under dismantling is sold off.And There is also a large amount of lead powder (lead mud) in lead-acid battery, there are also the plastic products of recoverable, these materials are not classified Recycling is a kind of waste of resource, and lead can also cause heavy metal poisoning, do harm to huamn body.

But current recovery process falls behind, and what is generallyd use is co-grinding absorption method, and the rate of recovery is low, and at high cost, many can Recycling substance is not recovered and discharges, row after especially some harmful substance such as lead etc. are often also only diluted without recycling It puts, both resulted in waste of resources, also pollute the environment.

Summary of the invention

Technical problem to be solved by the present invention lies in provide a kind of good separating effect, the waste and old lead acid of high degree of automation The broken apart disposable energy-saving reclaiming process of battery.

The technical problems to be solved by the invention are realized using following technical scheme:

A kind of broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator, comprising the following steps:

(1) feeding

Waste and old lead acid accumulator in raw material melt pit grabs the feed bin being sent to above batcher through six valve hydraulic grab cranes It is interior, oscillating feeder below feed bin (delivery rate being determined by changing the frequency of motor, to guarantee uniform feeding) Battery is delivered on belt conveyor, electric magnetic iron remover and metal detector is equipped in the top of conveyer belt, for removing The magnetic metal being mingled in battery transmission process is removed, to guarantee the normal work of crusher and extend the service life of tup;

(2) it is crushed

Waste and old lead acid accumulator is delivered in crusher and is crushed by belt conveyor, there is four groups totally 20 in crusher Tup beats battery, grinding, when battery fragment be less than grinder hammerhead below grid section hole when (aperture: 80mm × 50mm) will be fallen down from grid section hole fall into primary vibration sieve cleaned and separated;

(3) it cleans and separates

The cleaning and separation of material are completed in primary vibration sieves, and five groups are equipped with above the sieve plate of primary vibration sieve Totally 18 spray heads respectively wash away battery fragment, and the lead mud (screenings) to get off is rinsed from battery fragment and passes through sieve plate The strip-shaped hole of upper 0.5mm wide enters lead mud precipitation machine, and the material on sieve plate is once purged during vibration moves ahead to enter water Power separator;

The oversize for rinsing out lead mud mainly has polypropylene plastics, heavy plastics (separator paper) and lead grid, sieves through primary vibration Enter hydroseparator after cleaning, since polypropylene relatively lighter (specific gravity slightly 0.9) is swum on the water surface by waterpower point is arranged in The turnover panel of panel turnover mechanism from device top toggles it to the polypropylene screw conveyor connecting with hydroseparator upper outlet and sends out System is stacked;

The bottom that the biggish material of specific gravity (lead grid and heavy plastics) sinks to hydroseparator, through being mounted on hydroseparator The promotion spiral of bottom pushes bottom sides outlet, the heavy plastics sunk together with lead grid and impurity to, in air-flow and water flow Under the action of (we it will be recalled that on blanking pipe be equipped with 4 compressed air inlet ports) float from the side of hydroseparator Face outlet enters in secondary vibration sieve through return pipe to be separated again;

And lead grid continues to sink and enters level-one lead grid screw conveyor along feeder pipe, level-one lead grid screw conveyor is by lead Grid are transported to hydrodynamic force separator (being called intermediate separator) herein, separate halfway heavy plastics and impurity in air-flow and water The double action float downward of stream enters secondary vibration sieve through return pipe and is separated again;The object to come is conveyed by two return pipes (mainly heavy plastics) are expected after secondary vibration sieve (sieve plate pore size 3.5mm x 3.5mm) cleans again, less than sieve plate hole Material enters the lead mud precipitation machine under sieve, and the material heavy plastics and preceding working procedure on sieve plate separate halfway polypropylene through two Grade vibrating screen is transported to heavy plastics screw conveyor (being called second separator, water static separator), and polypropylene floats on the surface, Two grade polypropylene screw conveyors are toggled it to through secondary separation turnover panel, and is delivered to level-one through two grade polypropylene screw conveyors and gathers Propylene screw conveyor, transmitting system together after converging with the polypropylene that hydroseparator is separated;

The screw conveyor transmitting system that the bottom that heavy plastics deposit to heavy plastics screw conveyor is mounted on lower part gives To stack;

Lead grid into hydrodynamic force separator deposits to the bottom of hydrodynamic force separator and enters second level lead grid screw conveyor, And it is stacked through second level lead grid screw conveyor transmitting system;

(4) filters pressing and storage of lead plaster

Lead mud is sent to lead mud agitator tank by lead mud precipitation machine, is in suspension after the lead mud in lead mud agitator tank is agitated State is pumped to lead mud filters pressing through lead plaster delivery pump after lead plaster grind slurries quality, specific gravity, liquid level reach certain condition in agitator tank Machine carries out filters pressing, and filter liquor is separated with lead plaster, is finally press-filtered out lead plaster filter cake, is stored into lead plaster melt pit, after filters pressing Water content in paste is generally 1 12 to 15 or so.

It is added with flocculant in lead mud precipitation machine, the effect for adding flocculant is to promote to enter inside lead mud precipitation machine Lead mud is quickly agglomerating, and precipitating is gone down rapidly, is easily installed the drag conveyor in lead mud precipitation machine lower part and lead mud is delivered to lead Mud agitator tank.

The additional amount of flocculant carries out calculating addition by the weight of broken lead-acid accumulator, and refuse battery per ton adds 60-80 Gram flocculant.

Adding proportion must be determined according to the quality of flocculant.Because additive amount is also closely related with the quality of flocculant, Flocculant in the market has different producers, different prices, and quality also has quality certainly, if flocculant poor quality You add more again also useless.Final discriminant approach is exactly the lead tolerance and clean journey in lead mud precipitation machine in recirculated water Degree.

The collection and washing of acid gas (being called acid mist)

In the broken apart system work of this set waste and old lead acid accumulator, due to the electrolyte in battery, in some works Sequence can generate acid gas, and this acid gas emits, and will production environment and surrounding enviroment be polluted and be damaged, in this set system In mainly have belt porch head, crusher room, hydroseparator, second separator (heavy plastics screw conveyor) lead mud precipitation machine On scraper plate tail portion, lead mud agitator tank top, filter press room, system is designed with acid gas collection port at these positions, collection Acid gas enters gas scrubbing tower through pipeline and is washed, and the gas after washing is up to standard leads to 20m's high by centrifugal type draught fan Row is into atmosphere after purifying chimney purification.

It is provided with filtering Nomex in the purification chimney, gas filtration agent is impregnated on the filtering Nomex, to acid Pernicious gas in gas is filtered, and is discharged after up to standard;The gas filtration agent is made of the component of following weight: deionization Water 300g, nano-ceramic powder 50g, anionic starch 30g, AKD lotion 30g, aroma-producing yeasts powder 40g, nano silicone diatomaceous earth 80g, Hindered amine light stabilizer 10g, dibutyl phthalate 30g, hydroxypropyl-β-cyclodextrin 15g, nano-silicon nitride 35g, hydroxypropyl first Base cellulose 15g, tealeaves alkaloid 8g, waterborne conductive aquadag 15g.

To further increase the physicochemical property that the terylene filters Nomex, Nomex need to be after gas filtration agent dipping again Drying and processing, the speed that Nomex passes through gas filtration agent maceration extract are 0.5~2m/min, and drying is carried out using three-stage warm area Drying, temperature requirement: the temperature of the first warm area is 110-120 DEG C, the time 15 minutes;The temperature of second warm area is 95-110 DEG C, Time is 10 minutes;90-95 DEG C of the temperature of third warm area, time are 15 minutes.Terylene made from this method filters Nomex tool There is good gas purifying effect, is particularly suitable for lead and smelts the tail gas generated, so that the tail gas after discharge is without any pollutant, it is right Atmosphere environmental protection, to no damage to human body.

The beneficial effects of the present invention are:

(1) compared with other more advanced waste and old lead acid accumulator recycling both at home and abroad, present device, technical software and factory Low, the capital expenditure province of rent, identical production scale investment can save 40%~70%.

(2) compared with waste and old lead acid accumulator recycling more advanced both at home and abroad, since capital expenditure of the present invention saves, depreciation cost With low, simple process is easy to operate, and the rate of recovery is high, therefore production cost is low.

Detailed description of the invention

Fig. 1 is present invention process flow diagram.

Specific embodiment

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Conjunction is specifically illustrating, and the present invention is further explained.

Embodiment 1

As shown in Figure 1, a kind of broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator, comprising the following steps:

(1) feeding

Waste and old lead acid accumulator in raw material melt pit grabs the feed bin being sent to above batcher through six valve hydraulic grab cranes It is interior, oscillating feeder below feed bin (delivery rate being determined by changing the frequency of motor, to guarantee uniform feeding) Battery is delivered on belt conveyor, electric magnetic iron remover and metal detector is equipped in the top of conveyer belt, for removing The magnetic metal being mingled in battery transmission process is removed, to guarantee the normal work of crusher and extend the service life of tup;

(2) it is crushed

Waste and old lead acid accumulator is delivered in crusher and is crushed by belt conveyor, there is four groups totally 20 in crusher Tup beats battery, grinding, when battery fragment be less than grinder hammerhead below grid section hole when (aperture: 80mm × 50mm) will be fallen down from grid section hole fall into primary vibration sieve cleaned and separated;

(3) it cleans and separates

The cleaning and separation of material are completed in primary vibration sieves, and five groups are equipped with above the sieve plate of primary vibration sieve Totally 18 spray heads respectively wash away battery fragment, and the lead mud (screenings) to get off is rinsed from battery fragment and passes through sieve plate The strip-shaped hole of upper 0.5mm wide enters lead mud precipitation machine, and the material on sieve plate is once purged during vibration moves ahead to enter water Power separator;

The oversize for rinsing out lead mud mainly has polypropylene plastics, heavy plastics (separator paper) and lead grid, sieves through primary vibration Enter hydroseparator after cleaning, since polypropylene relatively lighter (specific gravity slightly 0.9) is swum on the water surface by waterpower point is arranged in The turnover panel of panel turnover mechanism from device top toggles it to the polypropylene screw conveyor connecting with hydroseparator upper outlet and sends out System is stacked;

The bottom that the biggish material of specific gravity (lead grid and heavy plastics) sinks to hydroseparator, through being mounted on hydroseparator The promotion spiral of bottom pushes bottom sides outlet, the heavy plastics sunk together with lead grid and impurity to, in air-flow and water flow Under the action of (we it will be recalled that on blanking pipe be equipped with 4 compressed air inlet ports) float from the side of hydroseparator Face outlet enters in secondary vibration sieve through return pipe to be separated again;

And lead grid continues to sink and enters level-one lead grid screw conveyor along feeder pipe, level-one lead grid screw conveyor is by lead Grid are transported to hydrodynamic force separator (being called intermediate separator) herein, separate halfway heavy plastics and impurity in air-flow and water The double action float downward of stream enters secondary vibration sieve through return pipe and is separated again;The object to come is conveyed by two return pipes (mainly heavy plastics) are expected after secondary vibration sieve (sieve plate pore size 3.5mm x 3.5mm) cleans again, less than sieve plate hole Material enters the lead mud precipitation machine under sieve, and the material heavy plastics and preceding working procedure on sieve plate separate halfway polypropylene through two Grade vibrating screen is transported to heavy plastics screw conveyor (being called second separator, water static separator), and polypropylene floats on the surface, Two grade polypropylene screw conveyors are toggled it to through secondary separation turnover panel, and is delivered to level-one through two grade polypropylene screw conveyors and gathers Propylene screw conveyor, transmitting system together after converging with the polypropylene that hydroseparator is separated;

The screw conveyor transmitting system that the bottom that heavy plastics deposit to heavy plastics screw conveyor is mounted on lower part gives To stack;

Lead grid into hydrodynamic force separator deposits to the bottom of hydrodynamic force separator and enters second level lead grid screw conveyor, And it is stacked through second level lead grid screw conveyor transmitting system;

(4) filters pressing and storage of lead plaster

Lead mud is sent to lead mud agitator tank by lead mud precipitation machine, is in suspension after the lead mud in lead mud agitator tank is agitated State is pumped to lead mud filters pressing through lead plaster delivery pump after lead plaster grind slurries quality, specific gravity, liquid level reach certain condition in agitator tank Machine carries out filters pressing, and filter liquor is separated with lead plaster, is finally press-filtered out lead plaster filter cake, is stored into lead plaster melt pit, after filters pressing Water content in paste is generally 1 12 to 15 or so.

It is added with flocculant in lead mud precipitation machine, the effect for adding flocculant is to promote to enter inside lead mud precipitation machine Lead mud is quickly agglomerating, and precipitating is gone down rapidly, is easily installed the drag conveyor in lead mud precipitation machine lower part and lead mud is delivered to lead Mud agitator tank.

The additional amount of flocculant carries out calculating addition by the weight of broken lead-acid accumulator, and refuse battery per ton adds 60-80 Gram flocculant.

Adding proportion must be determined according to the quality of flocculant.Because additive amount is also closely related with the quality of flocculant, Flocculant in the market has different producers, different prices, and quality also has quality certainly, if flocculant poor quality You add more again also useless.Final discriminant approach is exactly the lead tolerance and clean journey in lead mud precipitation machine in recirculated water Degree.

The collection and washing of acid gas (being called acid mist)

In the broken apart system work of this set waste and old lead acid accumulator, due to the electrolyte in battery, in some works Sequence can generate acid gas, and this acid gas emits, and will production environment and surrounding enviroment be polluted and be damaged, in this set system In mainly have belt porch head, crusher room, hydroseparator, second separator (heavy plastics screw conveyor) lead mud precipitation machine On scraper plate tail portion, lead mud agitator tank top, filter press room, system is designed with acid gas collection port at these positions, collection Acid gas enters gas scrubbing tower through pipeline and is washed, and the gas after washing is up to standard leads to 20m's high by centrifugal type draught fan Chimney is discharged in atmosphere.

Inspect periodically recirculated water in system containing acid concentration (PH) value, when recirculated water containing acid concentration reach 15% or more or Recirculated water in person's system very the dirty cleaning for influencing material when, at this moment should reduce recirculated water acidity (using sodium hydroxide or Sodium carbonate is neutralized), otherwise, it can generate foam in lead mud precipitation machine and influence separating effect and contaminated material.(work as production When raw foam, defoaming agent can also be added and handled) the new tap water of periodic replacement, and the acid solution in system is put at sewage Manage reuse after pond is handled.

Such as check that the polypropylene of discovery discharge port, heavy plastics do not wash clean clearly.

The first may be that treating capacity in the unit time is excessive, and material could not obtain sufficiently when by primary vibration sieve Cleaning, at this moment should suitably reduce the feeding coal of batcher;

It may be for second the sieve plate hole plug of one, two vibrating screens, at this moment sieve plate should be cleared up, when necessary replacement sieve Plate;

The third may be that recirculated water in system is very dirty using overlong time, and the tap water that at this moment should more renew will be Dirty water in system is handled.

It such as checks in the lead grid of discovery discharge port and carries heavy plastics secretly, the reason is that both materials could not in hydroseparator It is efficiently separated, at this moment should suitably tune up the air inflow of hydroseparator lower part compressed air.

When system works, monitoring system carries out comprehensive monitoring to equipment operation, when the outlet of discovery oscillating feeder with And at this moment the feed inlet of crusher should be excluded by manually being cleared up when blocking.

Embodiment 2

A kind of broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator, comprising the following steps:

(1) feeding

Waste and old lead acid accumulator in raw material melt pit grabs the feed bin being sent to above batcher through six valve hydraulic grab cranes It is interior, oscillating feeder below feed bin (delivery rate being determined by changing the frequency of motor, to guarantee uniform feeding) Battery is delivered on belt conveyor, electric magnetic iron remover and metal detector is equipped in the top of conveyer belt, for removing The magnetic metal being mingled in battery transmission process is removed, to guarantee the normal work of crusher and extend the service life of tup;

(2) it is crushed

Waste and old lead acid accumulator is delivered in crusher and is crushed by belt conveyor, there is four groups totally 20 in crusher Tup beats battery, grinding, when battery fragment be less than grinder hammerhead below grid section hole when (aperture: 80mm × 50mm) will be fallen down from grid section hole fall into primary vibration sieve cleaned and separated;

(3) it cleans and separates

The cleaning and separation of material are completed in primary vibration sieves, and five groups are equipped with above the sieve plate of primary vibration sieve Totally 18 spray heads respectively wash away battery fragment, and the lead mud (screenings) to get off is rinsed from battery fragment and passes through sieve plate The strip-shaped hole of upper 0.5mm wide enters lead mud precipitation machine, and the material on sieve plate is once purged during vibration moves ahead to enter water Power separator;

The oversize for rinsing out lead mud mainly has polypropylene plastics, heavy plastics (separator paper) and lead grid, sieves through primary vibration Enter hydroseparator after cleaning, since polypropylene relatively lighter (specific gravity slightly 0.9) is swum on the water surface by waterpower point is arranged in The turnover panel of panel turnover mechanism from device top toggles it to the polypropylene screw conveyor connecting with hydroseparator upper outlet and sends out System is stacked;

The bottom that the biggish material of specific gravity (lead grid and heavy plastics) sinks to hydroseparator, through being mounted on hydroseparator The promotion spiral of bottom pushes bottom sides outlet, the heavy plastics sunk together with lead grid and impurity to, in air-flow and water flow Under the action of (we it will be recalled that on blanking pipe be equipped with 4 compressed air inlet ports) float from the side of hydroseparator Face outlet enters in secondary vibration sieve through return pipe to be separated again;

And lead grid continues to sink and enters level-one lead grid screw conveyor along feeder pipe, level-one lead grid screw conveyor is by lead Grid are transported to hydrodynamic force separator (being called intermediate separator) herein, separate halfway heavy plastics and impurity in air-flow and water The double action float downward of stream enters secondary vibration sieve through return pipe and is separated again;The object to come is conveyed by two return pipes (mainly heavy plastics) are expected after secondary vibration sieve (sieve plate pore size 3.5mm x 3.5mm) cleans again, less than sieve plate hole Material enters the lead mud precipitation machine under sieve, and the material heavy plastics and preceding working procedure on sieve plate separate halfway polypropylene through two Grade vibrating screen is transported to heavy plastics screw conveyor (being called second separator, water static separator), and polypropylene floats on the surface, Two grade polypropylene screw conveyors are toggled it to through secondary separation turnover panel, and is delivered to level-one through two grade polypropylene screw conveyors and gathers Propylene screw conveyor, transmitting system together after converging with the polypropylene that hydroseparator is separated;

The screw conveyor transmitting system that the bottom that heavy plastics deposit to heavy plastics screw conveyor is mounted on lower part gives To stack;

Lead grid into hydrodynamic force separator deposits to the bottom of hydrodynamic force separator and enters second level lead grid screw conveyor, And it is stacked through second level lead grid screw conveyor transmitting system;

(4) filters pressing and storage of lead plaster

Lead mud is sent to lead mud agitator tank by lead mud precipitation machine, is in suspension after the lead mud in lead mud agitator tank is agitated State is pumped to lead mud filters pressing through lead plaster delivery pump after lead plaster grind slurries quality, specific gravity, liquid level reach certain condition in agitator tank Machine carries out filters pressing, and filter liquor is separated with lead plaster, is finally press-filtered out lead plaster filter cake, is stored into lead plaster melt pit, after filters pressing Water content in paste is generally 1 12 to 15 or so.

It is added with flocculant in lead mud precipitation machine, the effect for adding flocculant is to promote to enter inside lead mud precipitation machine Lead mud is quickly agglomerating, and precipitating is gone down rapidly, is easily installed the drag conveyor in lead mud precipitation machine lower part and lead mud is delivered to lead Mud agitator tank.

The additional amount of flocculant carries out calculating addition by the weight of broken lead-acid accumulator, and refuse battery per ton adds 60-80 Gram flocculant.

Adding proportion must be determined according to the quality of flocculant.Because additive amount is also closely related with the quality of flocculant, Flocculant in the market has different producers, different prices, and quality also has quality certainly, if flocculant poor quality You add more again also useless.Final discriminant approach is exactly the lead tolerance and clean journey in lead mud precipitation machine in recirculated water Degree.

The collection and washing of acid gas (being called acid mist)

In the broken apart system work of this set waste and old lead acid accumulator, due to the electrolyte in battery, in some works Sequence can generate acid gas, and this acid gas emits, and will production environment and surrounding enviroment be polluted and be damaged, in this set system In mainly have belt porch head, crusher room, hydroseparator, second separator (heavy plastics screw conveyor) lead mud precipitation machine On scraper plate tail portion, lead mud agitator tank top, filter press room, system is designed with acid gas collection port at these positions, collection Acid gas enters gas scrubbing tower through pipeline and is washed, and the gas after washing is up to standard leads to 20m's high by centrifugal type draught fan Row is into atmosphere after purifying chimney purification.

It is provided with filtering Nomex in the purification chimney, gas filtration agent is impregnated on the filtering Nomex, to acid Pernicious gas in gas is filtered, and is discharged after up to standard;The gas filtration agent is made of the component of following weight: deionization Water 500g, nano-ceramic powder 80g, anionic starch 40g, AKD lotion 30g, aroma-producing yeasts powder 60g, nano silicone diatomaceous earth 100g, Hindered amine light stabilizer 10g, dibutyl phthalate 30g, hydroxypropyl-β-cyclodextrin 15g, nano-silicon nitride 35g, hydroxypropyl first Base cellulose 15g, tealeaves alkaloid 8g, waterborne conductive aquadag 15g.

To further increase the physicochemical property that the terylene filters Nomex, Nomex need to be after gas filtration agent dipping again Drying and processing, the speed that Nomex passes through gas filtration agent maceration extract are 0.5~2m/min, and drying is carried out using three-stage warm area Drying, temperature requirement: the temperature of the first warm area is 110-120 DEG C, the time 15 minutes;The temperature of second warm area is 95-110 DEG C, Time is 10 minutes;90-95 DEG C of the temperature of third warm area, time are 15 minutes.Terylene made from this method filters Nomex tool There is good gas purifying effect, is particularly suitable for lead and smelts the tail gas generated, so that the tail gas after discharge is without any pollutant, it is right Atmosphere environmental protection, to no damage to human body.

It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention It is defined by the appending claims and its equivalent thereof.

Claims (1)

1. a kind of broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator, which comprises the following steps:
(1) feeding
Waste and old lead acid accumulator in raw material melt pit is grabbed in the feed bin being sent to above batcher through six valve hydraulic grab cranes, material Oscillating feeder below storehouse is delivered to battery on belt conveyor, is equipped with electric magnetic iron remover in the top of conveyer belt And metal detector, for removing the magnetic metal being mingled in battery transmission process, with guarantee crusher normal work and Extend the service life of tup;
(2) it is crushed
Waste and old lead acid accumulator is delivered in crusher and is crushed by belt conveyor, there is four groups of totally 20 tups in crusher Battery is beaten, grind, when battery fragment be less than grinder hammerhead below grid section hole when will be from grid section hole Fall down fall into primary vibration sieve cleaned and separated;
(3) it cleans and separates
The cleaning and separation of material are completed in primary vibration sieves, and five groups totally 18 are equipped with above the sieve plate of primary vibration sieve A spray head respectively washes away battery fragment, and the lead mud to get off is rinsed from battery fragment and passes through 0.5mm wide on sieve plate Strip-shaped hole enters lead mud precipitation machine, and the material on sieve plate is once purged during vibration moves ahead to enter hydroseparator;
The oversize for rinsing out lead mud mainly has polypropylene plastics, heavy plastics and lead grid, enters water after primary vibration sieve cleaning Power separator is dialled since polypropylene is gentlier swum on the water surface by the turnover panel that the panel turnover mechanism on hydroseparator top is arranged in The polypropylene screw conveyor transmitting system connecting with hydroseparator upper outlet is moved to be stacked;
The biggish lead grid of specific gravity and heavy plastics sink to the bottom of hydroseparator, through the promotion for being mounted on hydroseparator bottom Spiral push to bottom sides outlet, with lead grid together sink heavy plastics and impurity, under the action of air-flow and water flow on The floating side exit from hydroseparator enters in secondary vibration sieve through return pipe to be separated again;
And lead grid continues to sink along feeder pipe into level-one lead grid screw conveyor, level-one lead grid screw conveyor is defeated by lead grid It is sent to hydrodynamic force separator herein, separates halfway heavy plastics and impurity and passed through in air-flow and the double action float downward of water flow Return pipe enters secondary vibration sieve and is separated again;The material to be come by two return pipe conveyings sieves clear again through secondary vibration After washing, the material less than sieve plate hole enters the lead mud precipitation machine under sieve, material heavy plastics and preceding working procedure separation on sieve plate Halfway polypropylene is transported to heavy plastics screw conveyor through secondary vibration sieve, and polypropylene floats on the surface, through secondary separation Turnover panel toggles it to two grade polypropylene screw conveyors, and is delivered to a grade polypropylene spiral transferring through two grade polypropylene screw conveyors Machine is sent, transmitting system together after converging with the polypropylene that hydroseparator is separated;
The screw conveyor transmitting system that the bottom that heavy plastics deposit to heavy plastics screw conveyor is mounted on lower part gives heap It puts;
Lead grid into hydrodynamic force separator deposits to the bottom of hydrodynamic force separator and enters second level lead grid screw conveyor, and passes through Second level lead grid screw conveyor transmitting system is stacked;
(4) filters pressing and storage of lead plaster
Lead mud is sent to lead mud agitator tank by lead mud precipitation machine, is in suspended state after the lead mud in lead mud agitator tank is agitated, when After lead plaster grind slurries quality, specific gravity, liquid level reach certain condition in agitator tank, lead mud filter press is pumped to through lead plaster delivery pump and is carried out Filter liquor is separated with lead plaster, is finally press-filtered out lead plaster filter cake, is stored into lead plaster melt pit by filters pressing, and the lead plaster after filters pressing contains Water is 12%-15%;
Due to the electrolyte in battery, acid gas can be generated in some processes, this acid gas emits, will to production environment and Surrounding enviroment are polluted and are damaged, and mainly have belt porch head, crusher room, hydroseparator, secondary in this set system The top of scraper plate tail portion, lead mud agitator tank on separator lead mud precipitation machine, filter press room, system are designed with acid at these positions Gas collection port, the acid gas of collection enter gas scrubbing tower through pipeline and are washed, and the gas after washing is up to standard is drawn by centrifugal Row is into atmosphere after the purification chimney that blower leads to 20m high purifies;
It is provided with filtering Nomex in the purification chimney, gas filtration agent is impregnated on the filtering Nomex, in acid gas Pernicious gas be filtered, it is up to standard after discharge;The gas filtration agent is made of the component of following weight: deionized water 300g, nano-ceramic powder 50g, anionic starch 30g, AKD lotion 30g, aroma-producing yeasts powder 40g, nano silicone diatomaceous earth 80g, by Hinder amine light stabilizer 10g, dibutyl phthalate 30g, hydroxypropyl-β-cyclodextrin 15g, nano-silicon nitride 35g, hydroxypropyl Cellulose 15g, tealeaves alkaloid 8g, waterborne conductive aquadag 15g;
The filtering Nomex need to drying and processing, Nomex pass through gas filtration agent maceration extract again after gas filtration agent dipping Speed is 0.5~2m/min, and drying is dried using three-stage warm area, temperature requirement: the temperature of the first warm area is 110-120 DEG C, the time 15 minutes;The temperature of second warm area is 95-110 DEG C, and the time is 10 minutes;90-95 DEG C of the temperature of third warm area, when Between be 15 minutes;
It is added with flocculant in lead mud precipitation machine, the effect for adding flocculant is to promote to enter lead mud inside lead mud precipitation machine Quickly agglomerating, precipitating is gone down rapidly, is easily installed the drag conveyor in lead mud precipitation machine lower part lead mud is delivered to lead mud and stir Mix tank;The additional amount of flocculant carries out calculating addition by the weight of broken lead-acid accumulator, and refuse battery per ton adds 60-80 grams of wadding Solidifying agent.
CN201610173266.5A 2016-03-22 2016-03-22 The broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator CN105846005B (en)

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CN106367592B (en) * 2016-08-25 2018-05-01 安徽华铂再生资源科技有限公司 A kind of method of rapid subsidence maintenance-free battery waste diachylon
CN106244821A (en) * 2016-08-25 2016-12-21 安徽华铂再生资源科技有限公司 A kind of method of rapid solution desulfurization lead plaster
CN106636645B (en) * 2016-09-30 2018-04-20 刘振 Regenerate lead plaster clean and effective processing method
CN108199111A (en) * 2018-03-23 2018-06-22 天能电池集团(安徽)有限公司 A kind of battery production waste treatment device and its processing method
CN110813520A (en) * 2019-08-29 2020-02-21 浙江浙矿重工股份有限公司 Multistage independent water circulation flotation method for waste lead-acid storage batteries
CN110586630B (en) * 2019-10-28 2020-12-18 安徽智汇和科技服务有限公司 Garbage rough treatment system

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CN104474823A (en) * 2014-11-27 2015-04-01 界首市东威塑业有限公司 Tail gas environmental protection treatment device in granulating process of modified plastic granules

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