CN212597852U - Explosion-proof type aluminum ash innocent treatment system - Google Patents
Explosion-proof type aluminum ash innocent treatment system Download PDFInfo
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- CN212597852U CN212597852U CN202020486094.9U CN202020486094U CN212597852U CN 212597852 U CN212597852 U CN 212597852U CN 202020486094 U CN202020486094 U CN 202020486094U CN 212597852 U CN212597852 U CN 212597852U
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Abstract
The utility model discloses an explosion-proof aluminum ash innocent treatment system, which is provided with a first reaction tank, a second reaction tank and a third reaction tank, wherein materials enter the first reaction tank at a funnel through a vibrating feeder, a lifter and a measuring bin, waste gas of each reaction tank enters an absorption tower through a pipeline, the pipeline passes through an induced draft fan and a hydrogen remover, and the slurry is subjected to solid-liquid separation through a diaphragm type filter press; this novel explosion-proof type aluminium ash innocent treatment system stable in structure convenient to use can effectively accomplish solid-liquid separation to reasonable processing is easily fired explosive gas and safe in utilization, is fit for using widely.
Description
Technical Field
The utility model relates to an aluminium ash treatment technical field especially relates to an explosion-proof type aluminium ash innocent treatment system.
Background
The aluminum ash is a renewable resource, contains 7-75% of aluminum, and the method for recycling metal aluminum from the aluminum ash in China is roughly divided into two methods: cold process recovery and heat recovery. The heat treatment recovery method mainly aims at primary aluminum ash, the content of the aluminum ash is more than 70%, the aluminum ash is heated by an external heating source, metal aluminum is melted, and the separation of the aluminum and the aluminum ash is realized. The cold treatment recovery method mainly aims at secondary aluminum ash, the aluminum ash treated by the heat treatment recovery method still contains a certain amount of metal aluminum, the cooled metal aluminum forms small particles, the small particles are ground and expanded by utilizing the ductility of the aluminum metal, and then the aluminum in the small particles is screened and recovered. The utilization technology of the secondary aluminum ash mainly comprises the following steps: the method for recovering soluble salt from aluminum ash mainly comprises the steps of dissolving the soluble salt in the aluminum ash at high temperature and high pressure or dissolving the salt in the aluminum ash by adopting an electrodialysis method or a method for controlling the pH value, and then purifying and recovering the salt by filtering, wherein a large amount of waste liquid is generated by the method, and the aluminum ash extracted with the soluble salt can cause pollution if not recovered by other methods. The method can reduce the cost of the alumina, but has complex process, generates harmful gases such as ammonia gas, methane and the like during washing, generates a large amount of waste liquid, and causes harm to the environment if the waste liquid is not properly treated. The generated flammable and explosive gas hydrogen is not subjected to explosion-proof treatment, so that great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem and providing a stable in structure convenient to use can effectively accomplish solid-liquid separation to explosion-proof type aluminium ash innocent treatment system that easy explosive gas and safe in utilization are easily fired in reasonable processing.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: an explosion-proof aluminum ash innocent treatment system comprises a hopper, a first reaction tank, a second reaction tank, a third reaction tank and a circulating water pump, wherein a vibrating feeder is arranged at the bottom of the hopper, the discharge end of the vibrating feeder is connected with a lifter, an explosion-proof dust remover is arranged above the lifter, the lifter is connected with a measuring bin on one side, a bottom feeder is arranged below the measuring bin, a pipeline at one end of the circulating water pump extends into a water storage tank, a pipeline at the other end extends into the first reaction tank, a dosing device is arranged on the first reaction tank, an induced draft fan is arranged on an air draft pipeline of the first reaction tank, the air draft pipeline is connected to a first absorption tower through a first induced draft fan, the second reaction tank is arranged on one side of the first reaction tank, slurry in the first reaction tank is transferred to the second reaction tank through a first transfer pump, and waste gas in the second reaction tank is pumped into a second absorption tower through a second induced draft fan, one side of second reaction tank is equipped with the third reaction tank, the thick liquid of second reaction tank shifts the third reaction tank through the second transfer pump, the waste gas of third reaction tank passes through third draught fan suction third absorption tower, one side top of cistern is equipped with the diaphragm type pressure filter, the cistern passes through the pressure filter feed pump and delivers to the diaphragm type pressure filter with the thick liquid, the outlet pipe of diaphragm type pressure filter inserts in the cistern, the waste gas that the cistern produced is pumped to the fourth absorption tower in through the fourth draught fan.
Preferably, the exhaust pipelines of the first reaction tank, the second reaction tank and the third reaction tank are all provided with a hydrogen remover.
Preferably, all be equipped with the agitator in first reaction tank, second reaction tank and the third reaction tank, wherein the quantity of agitator is one in the first reaction tank, the quantity of agitator is two in second reaction tank and the third reaction tank.
Preferably, the medicament added by the medicine adding device is a calcium-based fluorine fixing agent.
The utility model discloses an explosion-proof aluminum ash innocent treatment system, which is provided with a first reaction tank, a second reaction tank and a third reaction tank, wherein materials enter the first reaction tank at a funnel through a vibrating feeder, a lifter and a measuring bin, waste gas of each reaction tank enters an absorption tower through a pipeline, the pipeline passes through an induced draft fan and a hydrogen remover, and the slurry is subjected to solid-liquid separation through a diaphragm type filter press; this novel explosion-proof type aluminium ash innocent treatment system stable in structure convenient to use can effectively accomplish solid-liquid separation to reasonable processing is easily fired explosive gas and safe in utilization, is fit for using widely.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of an explosion-proof aluminum ash innocent treatment system of the utility model;
wherein, 1, a hopper; 2. a vibrating feeder; 3. a hoist; 4. a metering bin; 5. a bottom feeder; 6. a first reaction tank; 7. a first transfer pump; 8. a second reaction tank; 9. a reservoir; 10. a third reaction tank; 11. a filter press feed pump; 12. a water circulating pump; 13. a diaphragm type filter press; 14. a dosing device; 15. an explosion-proof type dust remover; 16. a first induced draft fan; 17. a first absorption tower; 18. a second induced draft fan; 19. a second absorption tower; 20. a third induced draft fan; 21. a third absorption tower; 22. a fourth induced draft fan; 23. a fourth absorption tower; 24. a hydrogen remover; 25. a second transfer pump.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and merely illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "first", "second", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In a first specific embodiment, please refer to fig. 1, which is a system for harmless treatment of explosion-proof aluminum ash, and includes a hopper 1, a first reaction tank 6, a second reaction tank 8, a third reaction tank 10 and a circulating water pump 12, wherein a vibratory feeder 2 is disposed at the bottom of the hopper 1, a discharge end of the vibratory feeder 2 is connected to a hoist 3, an explosion-proof dust remover 15 is disposed above the hoist 3, the hoist 3 is connected to a measuring bin 4 on one side, a bottom feeder 5 is disposed below the measuring bin 4, a pipe at one end of the circulating water pump 12 extends into a water reservoir 9, a pipe at the other end extends into a first reaction tank 6, a chemical adding device 14 is disposed on the first reaction tank 6, an induced draft fan 16 is disposed on an air draft pipe of the first reaction tank 6, the air draft pipe is connected to a first absorption tower 17 through the first induced draft fan 16, a second reaction tank 8 is disposed on one side of the first reaction tank 6, the slurry of the first reaction tank 6 is transferred to a second reaction tank 8 through a first transfer pump 7, the waste gas of the second reaction tank 8 is pumped into a second absorption tower 19 through a second induced draft fan 18, a third reaction tank 10 is arranged on one side of the second reaction tank 8, the slurry of the second reaction tank 8 is transferred to a third reaction tank 10 through a second transfer pump 25, the waste gas of the third reaction tank 10 is pumped into a third absorption tower 21 through a third induced draft fan 20, a diaphragm type filter press 13 is arranged above one side of a reservoir 9, the reservoir 9 sends the slurry to the diaphragm type filter press 13 through a filter press feed pump 11, a water outlet pipe of the diaphragm type filter press 13 is connected into the reservoir 9, the waste gas generated by the reservoir 9 is pumped into a fourth absorption tower 23 through a fourth induced draft fan 22, and hydrogen removers 24 are arranged on exhaust pipelines of the first reaction tank 6, the second reaction tank 8 and the third reaction tank 10, all be equipped with the agitator in first reaction tank 6, second reaction tank 8 and the third reaction tank 10, wherein the quantity of agitator is one in the first reaction tank 6, the quantity of agitator is two in second reaction tank 8 and the third reaction tank 10, the medicament that charge device 14 added is calcium base fluorine fixing agent.
The process route is as follows: adding water into slag for mixing and pulping to release hydrogen and ammonia gas → absorbing and treating waste gas of an absorption tower → transferring slurry → continuously deaminating a reaction tank → absorbing and treating waste gas of the absorption tower → adding a medicament for harmless treatment → qualified detection → solid-liquid separation.
Wherein, the first reaction tank 6: the aluminum ash powder ground by the ball mill is evenly unloaded to a hopper 1 by a forklift or a ton bag, and is evenly sent to a lifter 3 by a vibrating feeder 2, and the lifter lifts the powder to a metering bin 4 for metering and storage, wherein the amount of the aluminum ash powder is used as the reaction amount. The hopper 1 is provided with a dust collecting port by adopting a sealing structure; injecting a certain amount of water into the first reaction tank 6 by a circulating water pump 12, wherein the weight ratio of the water to the powder is 3-10: 1, starting a stirrer and a bottom feeder 5 of a first reaction tank 6, adding powder into the first reaction tank 6, starting an explosion-proof dust remover 15 at the same time, and carrying out stirring reaction for 30-240 min; first reaction tank 6 is provided with the absorption cover, collects the waste gas that releases in the reaction, maintains the pond and is negative pressure state in, prevents that harmful gas is excessive, and waste gas is absorbed, is washed waste gas by setting up 16 suction first absorption towers 17 at the first draught fan of first absorption tower 17 afterbody. Harmful gases in the waste gas are ammonia gas and hydrogen gas, the ammonia gas is absorbed, and the hydrogen gas and the like are discharged into the atmosphere insoluble in water. The bend of the pipeline is provided with a hydrogen remover 24 to prevent hydrogen from gathering in the pipeline and generating explosion. Inflammable and explosive gas generated in the reaction is quickly absorbed, so that explosion in the first reaction tank 6 is prevented; the first reaction tank 6 reacts for 30-240 min, and then a calcium-based fluorine fixing agent, namely calcium oxide, calcium chloride, calcium hydroxide and the like, is added after passing through the dosing device 14, so that the fluorine ions are solidified.
Second reaction tank 8: and a continuous deamination reaction process, wherein the process is harmless and mainly comprises the step of carrying out the reaction on residual aluminum nitride or aluminum simple substance in the material, carrying out the reaction in a second reaction tank 8, wherein the reaction time is 2-24 hours, and transferring the slurry in the first reaction tank 6 to the second reaction tank 8 by a first transfer pump 7 to carry out continuous deamination reaction. The second reaction tank 8 is provided with two stirrers which stir the slurry all the time to prevent the slurry from precipitating. The stirring time is 2-24 hours. The second reaction tank 8 can stably and continuously generate waste gas in the reaction process, the waste gas contains harmful gases such as acid mist, hydrogen, ammonia gas and the like and explosive gases, and the waste gas is pumped into a second absorption tower 19 through a second induced draft fan 18 to absorb and wash the waste gas; harmful gases in the waste gas are ammonia gas and hydrogen gas, the ammonia gas and acid mist are absorbed, and the hydrogen gas and the like are not dissolved in water and are discharged into the atmosphere. The bend of the pipeline is provided with a hydrogen remover 24 to prevent hydrogen from gathering in the pipeline and generating explosion.
The third reaction tank 10: the continuous deamination reaction process of the reaction tank 10 of the third reaction tank mainly comprises the step of carrying out the reaction on residual aluminum nitride or aluminum simple substance in the material, carrying out the reaction in the third reaction tank 10 for 2-24 hours, and transferring the slurry of the second reaction tank 8 to the third reaction tank 10 by the first transfer pump 7 for continuous deamination reaction after the second reaction tank 8 reacts for 2-24 hours. The third reaction tank 10 is provided with two stirrers for stirring the slurry all the time to prevent the slurry from settling. The stirring time is 2-24 hours. The third reaction tank 10 can stably and continuously generate a small amount of waste gas in the reaction process, and the waste gas contains harmful gases such as hydrogen, ammonia gas and the like and explosive gases. And the waste gas is pumped into the third absorption tower 21 by a third induced draft fan 20 arranged at the tail part of the third absorption tower 21, and the waste gas is absorbed and washed. Harmful gases in the waste gas are ammonia gas and hydrogen gas, the ammonia gas and acid mist are absorbed, and the hydrogen gas and the like are not dissolved in water and are discharged into the atmosphere. The bend of the pipeline is provided with a hydrogen remover 24 to prevent hydrogen from gathering in the pipeline and generating explosion.
A solid-liquid separation step: solid-liquid separation adopts diaphragm type pressure filter 13, and the other pressure filter feed pump 11 that sets up of cistern 9 is sent the thick liquid to diaphragm type pressure filter 13 through this pump, and the thick liquid carries out solid-liquid separation here, and the filter cake is sent to the district of examining by band conveyer, detects qualified other processes of transporting. The filtrate is discharged into a reservoir 9 through a pipeline for cyclic utilization; the filter press and the reservoir can emit waste gas in production, and the waste gas is pumped into a fourth absorption tower 23 through a fourth induced draft fan 22 to absorb and wash the waste gas. Harmful gases in the waste gas are ammonia gas and hydrogen gas, the ammonia gas is absorbed, and the hydrogen gas and the like are discharged into the atmosphere insoluble in water. The bend of the pipeline is provided with a hydrogen remover 24 to prevent hydrogen from gathering in the pipeline and generating explosion.
The utility model discloses an explosion-proof aluminum ash innocent treatment system, which is provided with a first reaction tank, a second reaction tank and a third reaction tank, wherein materials enter the first reaction tank at a funnel through a vibrating feeder, a lifter and a measuring bin, waste gas of each reaction tank enters an absorption tower through a pipeline, the pipeline passes through an induced draft fan and a hydrogen remover, and the slurry is subjected to solid-liquid separation through a diaphragm type filter press; this novel explosion-proof type aluminium ash innocent treatment system stable in structure convenient to use can effectively accomplish solid-liquid separation to reasonable processing is easily fired explosive gas and safe in utilization, is fit for using widely.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (4)
1. The utility model provides an explosion-proof type aluminium ash innocent treatment system, includes hopper (1), first reaction tank (6), second reaction tank (8), third reaction tank (10) and circulating water pump (12), its characterized in that: the bottom of the hopper (1) is provided with a vibrating feeder (2), the discharge end of the vibrating feeder (2) is connected with a lifting machine (3), an explosion-proof dust remover (15) is arranged above the lifting machine (3), the lifting machine (3) is connected with a measuring bin (4) on one side, a bottom feeder (5) is arranged below the measuring bin (4), a pipeline at one end of a circulating water pump (12) extends into a reservoir (9), a pipeline at the other end extends into a first reaction tank (6), a dosing device (14) is arranged on the first reaction tank (6), an induced draft fan (16) is arranged on an air draft pipeline of the first reaction tank (6), the air draft pipeline is connected to a first absorption tower (17) through the first induced draft fan (16), a second reaction tank (8) is arranged on one side of the first reaction tank (6), and the slurry in the first reaction tank (6) is transferred to the second reaction tank (8) through a first transfer pump (7), waste gas of second reaction tank (8) passes through second draught fan (18) suction second absorption tower (19), one side of second reaction tank (8) is equipped with third reaction tank (10), the thick liquid of second reaction tank (8) shifts third reaction tank (10) through second transfer pump (25), the waste gas of third reaction tank (10) passes through third draught fan (20) suction third absorption tower (21), one side top of cistern (9) is equipped with diaphragm pressure filter (13), cistern (9) send the thick liquid to diaphragm pressure filter (13) through feed pressure filter pump (11), the outlet pipe of diaphragm pressure filter (13) inserts in cistern (9), waste gas that cistern (9) produced is taken out to fourth absorption tower (23) through fourth draught fan (22).
2. The explosion-proof aluminum ash harmless treatment system according to claim 1, characterized in that: and the exhaust pipelines of the first reaction tank (6), the second reaction tank (8) and the third reaction tank (10) are all provided with a hydrogen remover (24).
3. An explosion-proof type aluminum ash harmless treatment system according to claim 1 or 2, characterized in that: all be equipped with the agitator in first reaction tank (6), second reaction tank (8) and third reaction tank (10), wherein the quantity of agitator is one in first reaction tank (6), the quantity of agitator is two in second reaction tank (8) and third reaction tank (10).
4. The explosion-proof aluminum ash harmless treatment system according to claim 1, characterized in that: the medicament added by the medicine adding device (14) is a calcium-based fluorine fixing agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020486094.9U CN212597852U (en) | 2020-04-03 | 2020-04-03 | Explosion-proof type aluminum ash innocent treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020486094.9U CN212597852U (en) | 2020-04-03 | 2020-04-03 | Explosion-proof type aluminum ash innocent treatment system |
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| CN212597852U true CN212597852U (en) | 2021-02-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996640A (en) * | 2021-11-05 | 2022-02-01 | 南通大学 | Aluminum ash harmless treatment and resource utilization device and operation method |
| CN115254924A (en) * | 2022-08-04 | 2022-11-01 | 洋耳科技(杭州)有限公司 | Secondary aluminum ash treatment and resource production process and equipment |
| CN115253641A (en) * | 2022-08-04 | 2022-11-01 | 洋耳科技(杭州)有限公司 | Gas collection method in secondary aluminum ash treatment and resource utilization technology |
| CN115351046A (en) * | 2022-09-14 | 2022-11-18 | 瀚蓝环境股份有限公司 | Aluminum ash harmless and recycling treatment system and operation regulation and control method |
-
2020
- 2020-04-03 CN CN202020486094.9U patent/CN212597852U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996640A (en) * | 2021-11-05 | 2022-02-01 | 南通大学 | Aluminum ash harmless treatment and resource utilization device and operation method |
| CN115254924A (en) * | 2022-08-04 | 2022-11-01 | 洋耳科技(杭州)有限公司 | Secondary aluminum ash treatment and resource production process and equipment |
| CN115253641A (en) * | 2022-08-04 | 2022-11-01 | 洋耳科技(杭州)有限公司 | Gas collection method in secondary aluminum ash treatment and resource utilization technology |
| CN115253641B (en) * | 2022-08-04 | 2024-07-09 | 洋耳科技(杭州)有限公司 | Gas collection method in secondary aluminum ash treatment and resource utilization technology |
| CN115351046A (en) * | 2022-09-14 | 2022-11-18 | 瀚蓝环境股份有限公司 | Aluminum ash harmless and recycling treatment system and operation regulation and control method |
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