CN217251528U - Secondary aluminum ash hydrolysis gas solid resource utilization device - Google Patents
Secondary aluminum ash hydrolysis gas solid resource utilization device Download PDFInfo
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- CN217251528U CN217251528U CN202220894882.0U CN202220894882U CN217251528U CN 217251528 U CN217251528 U CN 217251528U CN 202220894882 U CN202220894882 U CN 202220894882U CN 217251528 U CN217251528 U CN 217251528U
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Abstract
The utility model relates to an aluminium ash processing technology field, concretely relates to secondary aluminium ash gas solid utilization device of hydrolysising. An aluminum ash feeding box and a catalyst feeding device of the device are both connected with a deamination primary separator through pipelines, a first gas separator is connected above the deamination primary separator, and the first gas separator is connected with a first ammonia generator through a pipeline; the first ammonia water generator is connected with a first ammonia water storage tank through a pipeline. The deamination primary separator is connected with a deamination secondary separator through a transmission pipe, a second gas separator is arranged above the deamination secondary separator, the second gas separator is connected with a second ammonia water generator through a pipeline, and the second ammonia water generator is connected with a second ammonia water storage tank through a pipeline. This practicality is through hydrolysising the secondary aluminium ash, makes and handles the back to the secondary aluminium ash, and is little to the pollution of environment, and the valuable material that contains in the secondary aluminium ash can resource utilization.
Description
Technical Field
The utility model relates to an aluminium ash processing technology field, concretely relates to secondary aluminium ash gas solid resource utilization device of hydrolysising.
Background
The aluminum ash is waste residue generated in the aluminum industrial production process and is divided into primary aluminum ash and secondary aluminum ash. Except for the difference of aluminum content, the two aluminum ash substances have similar compositions, the environmental hazard characteristics are reactivity, part of the aluminum ash also has leaching toxicity or releases flammable gas when meeting water, and the existing treatment method for secondary aluminum ash mainly comprises harmless treatment and recycling.
When the secondary aluminum ash is treated in the prior art, if the secondary aluminum ash is not completely treated, the secondary aluminum ash is easy to hydrolyze and react, ammonia and hydrogen are released, the atmosphere is polluted, potential safety hazards are formed, and meanwhile, valuable substances contained in the secondary aluminum ash cannot be fully utilized.
Disclosure of Invention
The utility model discloses a solve the unable make full use of valuable material that contains in the secondary aluminium ash among the prior art, the secondary aluminium ash that does not handle completely takes place hydrolysis, release ammonia and hydrogen, cause the problem of pollution and formation potential safety hazard to the atmosphere, provide a secondary aluminium ash gas solid resource utilization device of hydrolysising, hydrolysise secondary aluminium ash, the messenger handles the back to secondary aluminium ash, the valuable material that contains in the secondary aluminium ash can obtain effective utilization, avoided leading to the fact the atmospheric pollution.
In order to realize the purpose, the technical scheme of the utility model is that: a secondary aluminum ash hydrolysis gas solid resource utilization device comprises an aluminum ash loading box and a catalyst loading device, wherein the aluminum ash loading box and the catalyst loading device are both connected with a deamination primary separator through pipelines, a first gas separator is connected above the deamination primary separator, and the first gas separator is connected with a first ammonia water generator through a pipeline; the first ammonia water generator is connected with a first ammonia water storage tank through a pipeline. In the using process, the secondary aluminum ash is conveyed to the deamination primary separator by the aluminum ash feeding box, the catalyst is conveyed to the deamination primary separator by the catalyst feeding device, and in the deamination primary separator, AI and AIN in the secondary aluminum ash react under the action of the catalyst and reaction water.
One side of the deamination primary separator is also connected with a deamination secondary separator through a transmission pipe, and a first mortar pump is arranged on the transmission pipe; a second gas separator is arranged above the secondary deamination separator, and is connected with a second ammonia water generator through a pipeline, and the second ammonia water generator is connected with a second ammonia water storage tank through a pipeline; one side of the deamination secondary separator is connected with the storage tank through an output pipe, and a second mortar pump is further arranged on the output pipe. The secondary aluminum ash after reaction in the deamination primary separator enters the deamination secondary separator to react and decompose for deep deamination under the action of a first mortar pump.
Further, deposit the pond and still be connected with the recovery tube, deposit the pond and be connected with board through the recovery tube and bulldoze the filter, still be provided with the third mortar pump on the recovery tube, deposit the pond and be used for depositing the aluminium mortar after the degree of depth deamination.
Furthermore, the first gas separator is also connected with a first slow release pipeline, the first gas separator is connected with a primary absorption tower through the first slow release pipeline, and the first slow release pipeline is also provided with a gas slow release device. The ammonia gas and hydrogen gas which are not condensed enter a first-stage absorption tower, and hydrochloric acid and the ammonia gas are reacted in the first-stage absorption tower to generate ammonium chloride.
Furthermore, the first ammonia water storage tank is also connected with a second slow release pipeline, and the first ammonia water storage tank is connected with the first slow release pipeline through the second slow release pipeline. And the ammonia water storage tank is used for storing the ammonia water obtained by the reaction.
Furthermore, the second ammonia storage tank is also connected with a connecting pipe, and the second ammonia storage tank is connected with a second slow release pipeline through the connecting pipe.
Furthermore, the primary absorption tower is connected with a secondary absorption tower through a pipeline, and the secondary absorption tower is connected with a hydrogen recovery mechanism through a pipeline. The second-stage absorption tower is used for spraying water to the hydrogen which is not condensed to obtain pure hydrogen, and the hydrogen recovery mechanism is used for recovering the pure hydrogen.
Furthermore, the hydrogen recovery mechanism is connected with a fan through a pipeline, and the fan is connected with a chimney through a pipeline. Under the action of the fan, the ammonia gas and the hydrogen gas which are not condensed enter the primary absorption tower and the secondary absorption tower to react, and the unreacted trace gas is discharged through a chimney.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a hydrolyze the secondary aluminium ash, make valuable gas and the solid that the secondary aluminium ash water liberated obtain resource utilization, the secondary aluminium ash obtains ammonia water, hydrogen and the aluminium ash filter cake that can reuse after a series of reactions, has realized the resource utilization of secondary aluminium ash, has improved economic benefits.
The utility model discloses a first slowly-releasing pipeline and gaseous retarder make first gas separator and one-level absorption tower communicate with each other to and first aqueous ammonia storage tank and second aqueous ammonia storage tank communicate with each other with the one-level absorption tower, prevent because of ammonia and hydrogen among the first gas separator are too much, and do not have the ammonia of condensation in first aqueous ammonia storage tank and the second aqueous ammonia storage tank and produce dangerous consequence, play safety protection's effect.
The utility model provides a deposit the aluminium ash slurry that the pond was used for depositing after the degree of depth deamination, the aluminium ash slurry carries the board to bulldoze the filter under the effect of second mortar pump, and the board bulldozes the filter and makes the solid-liquid separation of aluminium ash slurry, obtains the aluminium ash filter cake that can reuse.
Drawings
Fig. 1 is a schematic structural diagram of the secondary aluminum ash hydrolysis gas solid resource utilization device of the present invention.
The reference numbers in the figures are: the device comprises an aluminum ash loading box 1, a catalyst loading device 2, a deamination primary separator 3, a first gas separator 4, a gas slow-release device 5, a first slow-release pipeline 6, a first ammonia water generator 7, a first mortar pump 8, a first ammonia water storage tank 9, a deamination secondary separator 10, a second gas separator 11, a second ammonia water generator 12, a second mortar pump 13, a second ammonia water storage tank 14, a storage tank 15, a primary absorption tower 16, a plate push-press filter 17, a secondary absorption tower 18, a hydrogen recovery mechanism 19, a fan 20, a chimney 21, a third mortar pump 22, a second slow-release pipeline 23, a connecting pipe 24, a transmission pipe 25, an output pipe 26 and a recovery pipe 28.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1, a secondary aluminum ash hydrolysis gas solid resource utilization device comprises an aluminum ash feeding box 1 and a catalyst feeding device 2, wherein the aluminum ash feeding box 1 and the catalyst feeding device 2 are both connected with a deamination primary separator 3 through pipelines, a feeding valve and a vibration motor are installed in the aluminum ash feeding box 1, a dust hood connected with a dust remover is further arranged above the aluminum ash feeding box 1, a first gas separator 4 is arranged above the deamination primary separator 3 and is communicated with the first gas separator 4, and a water inlet used for inputting reaction water is further formed in the deamination primary separator 3; the deamination primary separator 3 is internally provided with a material distribution mechanism, a sealing mechanism, a speed reducer and a material distribution motor. The first gas separator 4 is connected with a first ammonia water generator 7 through a pipeline; the first ammonia water generator 7 is connected with a first ammonia water storage tank 9 through a pipeline. In the using process, secondary aluminum ash enters the aluminum ash hydrolysis deamination primary separator 3 through the vacuum feeding device, and the catalyst and reaction water are pumped into the aluminum ash hydrolysis deamination primary separator 3 through a water pump.
One side of the deamination primary separator 3 is also connected with a deamination secondary separator 10 through a transmission pipe 25, and a first mortar pump 8 is arranged on the transmission pipe 25; a second gas separator 11 is arranged above the secondary deamination separator 10, the second gas separator 11 is connected with a second ammonia water generator 12 through a pipeline, and the second ammonia water generator 12 is connected with a second ammonia water storage tank 14 through a pipeline; the lower part of the secondary deamination separator 12 is connected with an output pipe 26, the secondary deamination separator 10 is connected with the storage pool 15 through the output pipe 26, and a second mortar pump 13 is further arranged on the output pipe 25. The aluminum mortar reacted in the deamination primary separator 3 enters a deamination secondary separator 10 to be deeply deaminated again under the action of a first mortar pump 8, and the aluminum mortar after deep deamination enters a storage pool 15 under the action of a second mortar pump 13. The first ammonia water generator 7 and the second ammonia water generator are mainly composed of an ammonia water condensation water system and an ammonia water collecting system.
The storage tank 15 is further connected with a recovery pipe 28, the storage tank 15 is connected with a plate pushing and pressing filter 17 through the recovery pipe 28, and a third mortar pump 22 is further arranged on the recovery pipe 28. The aluminum mortar is fed to the plate push filter 17 by the third mortar pump 22, and the plate push filter 17 separates the solid and liquid of the aluminum mortar to obtain a reusable aluminum mortar cake.
The first gas separator 4 is further connected with a first slow release pipeline 6, the first gas separator 4 is connected with a primary absorption tower 16 through the first slow release pipeline 6, a gas slow release device 5 is further arranged on the first slow release pipeline 6, and a vacuum gauge and a pressure gauge are further arranged in the first gas separator 4 and the second gas separator 11. When the gas content in the first gas separator 4 is too high, ammonia gas and hydrogen gas which do not enter the first ammonia water storage tank 9 for condensation enter the first-stage absorption tower 16, and the first-stage absorption tower 16 sprays the ammonia gas through hydrochloric acid, so that the ammonia gas and the hydrochloric acid react to generate ammonium chloride.
The first ammonia water storage tank 9 is also connected with a second slow release pipeline 23, and the first ammonia water storage tank 9 is connected with the first slow release pipeline 6 through the second slow release pipeline 23. Be used for storing the aqueous ammonia in the first aqueous ammonia storage tank 9, when there are ammonia and hydrogen of noncondensation in the top in first aqueous ammonia storage tank 9, ammonia and hydrogen of noncondensation enter into first slowly-releasing pipeline 6 through second slowly-releasing pipeline 23 under the effect of fan 20, and then enter into one-level absorption tower 16 and react with hydrochloric acid and form ammonium chloride.
The second ammonia water storage tank 14 is connected with a connecting pipe 24, and the second ammonia water storage tank 14 is connected with a second slow release pipeline 23 through the connecting pipe 24. Be used for storing the aqueous ammonia in the second aqueous ammonia storage tank 14, when there are the ammonia and the hydrogen of noncondensation in the upper place in the second aqueous ammonia storage tank 14, the ammonia and the hydrogen of noncondensation pass through connecting pipe 24 and get into first slowly-releasing pipeline 6 under the effect of fan 20, and then enter into one-level absorption tower 16 and react with hydrochloric acid and form ammonium chloride. Still install manometer and automatically controlled discharge valve on first aqueous ammonia storage tank 9 and the second aqueous ammonia storage tank 14, first aqueous ammonia storage tank 9 and second aqueous ammonia storage tank 14 still are connected with aqueous ammonia output tube, still install the ammonia pump on the aqueous ammonia output tube.
The primary absorption tower 16 is connected with a secondary absorption tower 18 through a pipeline, and the secondary absorption tower 18 is connected with a hydrogen recovery mechanism 19 through a pipeline. After passing through the primary absorption tower 16, uncondensed hydrogen enters the secondary absorption tower 18 through a pipeline under the action of a fan 20, and the secondary absorption tower 18 sprays water on the hydrogen to obtain pure hydrogen which is then recovered by a hydrogen recovery mechanism 19 through a pipeline. The first-stage absorption tower 16 comprises a tower body, a baffle plate, a chemical pump and the like. The secondary absorption tower 18 is composed of a cylinder, a water pump and the like.
The hydrogen recovery mechanism 19 is connected with a fan 20 through a pipeline, and the fan 20 is connected with a chimney 21 through a pipeline. When the secondary aluminum ash is deaminated, a small amount of unreacted other gases are also generated and discharged to the atmosphere through a chimney 21.
During the use, start fan 20 earlier, then the secondary aluminium ash that is arranged in aluminium ash material loading case 1 under the effect of vacuum loading attachment, get into aluminium ash hydrolysis deamination primary separator 3, catalyst and reaction water in catalyst loading ware 2 get into aluminium ash hydrolysis deamination primary separator 3 under the effect of water pump, take place the reaction with the secondary aluminium ash and generate ammonia, hydrogen and vapor etc. then ammonia, gas such as hydrogen and vapor get into first gas separator 4 and separate, ammonia and hydrogen after the separation get into first aqueous ammonia generator 7 through the pipeline and react and generate the aqueous ammonia, the aqueous ammonia gets into first aqueous ammonia water storage tank 9 through the pipeline.
The ammonia and the hydrogen that are not condensed in the first ammonia generator 7 pass through the first ammonia storage tank 9 under the effect of the fan 20, the second slow release pipeline 23 enters the first-stage absorption tower 16, the first-stage absorption tower 16 sprays hydrochloric acid to the ammonia, the ammonia reacts with the hydrochloric acid to generate ammonium chloride, the hydrogen enters the second-stage absorption tower 18 through a pipeline, the second-stage absorption tower 18 sprays water to the hydrogen to form pure hydrogen, then the pure hydrogen is recycled by the hydrogen recycling mechanism 19 through the pipeline, and other gases which are not recycled by the reaction are discharged to the atmosphere through the chimney 21.
When the amount of ammonia gas, hydrogen gas and other gases in the first gas separator 4 is too much and exceeds a set limit, the ammonia gas, hydrogen gas and other gases enter the primary absorption tower 16 through the first slow release pipeline 6 to react under the action of the gas slow release device 5 and the fan 20, and the gas slow release device 5 and the first slow release pipeline 6 play a role in safety protection.
The aluminium ash thick liquid after deamination primary separator 3 reaction under the effect of first mortar pump 8, enters into aluminium ash hydrolysis deamination secondary separator 10 and carries out the deepening deamination, and the reaction generates gas such as ammonia, hydrogen and vapor in deamination secondary separator 10, then separates in entering second gas separator 11, and the ammonia and the hydrogen after the separation pass through the pipeline and generate the aqueous ammonia in entering second ammonia generator 12, and the aqueous ammonia passes through in the pipeline gets into second ammonia storage tank 14.
The ammonia gas and hydrogen gas which are not condensed in the first ammonia water generator 12 enter the second slow release pipeline 23 through the second ammonia water storage tank 14 and the connecting pipe 24 under the action of the fan 20, and then enter the first-stage absorption tower 16 through the first slow release pipeline 6. The primary absorption tower 16 sprays hydrochloric acid to ammonia gas, the ammonia gas and the hydrochloric acid react to generate ammonium chloride, hydrogen enters the secondary absorption tower 18 through a pipeline, the secondary absorption tower 18 sprays water to the hydrogen gas to form pure hydrogen gas, the pure hydrogen gas is recycled by the hydrogen recovery mechanism 19, and other gases which are not recovered by reaction are discharged to the atmosphere through the chimney 21.
The aluminum mortar reacted in the secondary deamination separator 10 is fed into a storage tank 15 for storage under the action of a second mortar pump 13, and then the aluminum mortar in the storage tank 15 is conveyed to a plate push filter 17 by a third mortar pump 22 for solid-liquid separation to form an aluminum ash filter cake.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, characteristics and principles of the present invention should be included in the claims of the present invention.
Claims (7)
1. A secondary aluminum ash hydrolysis gas solid resource utilization device comprises an aluminum ash feeding box (1) and is characterized by further comprising a catalyst feeding device (2), wherein the aluminum ash feeding box (1) and the catalyst feeding device (2) are both connected with a deamination primary separator (3) through a pipeline, a first gas separator (4) is connected above the deamination primary separator (3), and the first gas separator (4) is connected with a first ammonia water generator (7) through a pipeline; the first ammonia water generator (7) is connected with a first ammonia water storage tank (9) through a pipeline;
one side of the deamination primary separator (3) is also connected with a deamination secondary separator (10) through a transmission pipe (25), and a first mortar pump (8) is arranged on the transmission pipe (25); a second gas separator (11) is arranged above the secondary deamination separator (10), the second gas separator (11) is connected with a second ammonia water generator (12) through a pipeline, and the second ammonia water generator (12) is connected with a second ammonia water storage tank (14) through a pipeline; one side of the deamination secondary separator (10) is connected with the storage pool (15) through an output pipe (26), and a second mortar pump (13) is further arranged on the output pipe (26).
2. The secondary aluminum ash hydrolysis gas solid resource utilization device according to claim 1, wherein the storage tank (15) is further connected with a recovery pipe (28), the storage tank (15) is connected with a plate push filter (17) through the recovery pipe (28), and the recovery pipe (28) is further provided with a third mortar pump (22).
3. The secondary aluminum ash hydrolysis gas solid resource utilization device according to claim 1, wherein the first gas separator (4) is further connected with a first slow release pipeline (6), the first gas separator (4) is connected with a primary absorption tower (16) through the first slow release pipeline (6), and the first slow release pipeline (6) is further provided with a gas slow release device (5).
4. The secondary aluminum ash hydrolysis gas solid resource utilization device according to claim 3, wherein the first ammonia water storage tank (9) is further connected with a second slow release pipeline (23), and the first ammonia water storage tank (9) is connected with the first slow release pipeline (6) through the second slow release pipeline (23).
5. The secondary aluminum ash hydrolysis gas solid resource utilization device according to claim 4, wherein the second ammonia storage tank (14) is further connected with a connecting pipe (24), and the second ammonia storage tank (14) is connected with a second slow release pipeline (23) through the connecting pipe (24).
6. The secondary aluminum ash hydrolysis gas solid resource utilization device according to claim 3, wherein the primary absorption tower (16) is connected with a secondary absorption tower (18) through a pipeline, and the secondary absorption tower (18) is connected with a hydrogen recovery mechanism (19) through a pipeline.
7. The secondary aluminum ash hydrolysis gas solid resource utilization device according to claim 6, wherein the hydrogen recovery mechanism (19) is connected with a fan (20) through a pipeline, and the fan (20) is connected with a chimney (21) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220894882.0U CN217251528U (en) | 2022-04-19 | 2022-04-19 | Secondary aluminum ash hydrolysis gas solid resource utilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220894882.0U CN217251528U (en) | 2022-04-19 | 2022-04-19 | Secondary aluminum ash hydrolysis gas solid resource utilization device |
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| CN217251528U true CN217251528U (en) | 2022-08-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116140339A (en) * | 2023-01-03 | 2023-05-23 | 秦皇岛信能能源设备有限公司 | High-efficiency deamination treatment equipment and method for secondary aluminum ash |
-
2022
- 2022-04-19 CN CN202220894882.0U patent/CN217251528U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116140339A (en) * | 2023-01-03 | 2023-05-23 | 秦皇岛信能能源设备有限公司 | High-efficiency deamination treatment equipment and method for secondary aluminum ash |
| CN116140339B (en) * | 2023-01-03 | 2023-10-31 | 秦皇岛信能能源设备有限公司 | High-efficiency deamination treatment equipment and method for secondary aluminum ash |
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