CN217888001U

CN217888001U - Novel aluminum ash reaction conveying system

Info

Publication number: CN217888001U
Application number: CN202221913466.7U
Authority: CN
Inventors: 杨正高; 杨幸杰; 刘杰; 邵三勇; 孙会彭
Original assignee: Henan Mingtai Technology Development Co ltd
Current assignee: Henan Mingtai Technology Development Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-25
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a novel aluminum ash reaction conveying system, which comprises a batching tank and three reaction tanks, wherein the reaction tanks are respectively a first reaction tank, a second reaction tank and a third reaction tank; a first conveying pipe is arranged between the batching tank and the first reaction tank to be communicated, a second conveying pipe is arranged between the first reaction tank and the second reaction tank to be communicated, and a third conveying pipe is arranged between the second reaction tank and the third reaction tank to be communicated; hose pumps are respectively arranged on the first conveying pipe, the second conveying pipe and the third conveying pipe; stirring mechanisms are respectively arranged in the first reaction tank, the second reaction tank and the third reaction tank and comprise stirring motors and stirring shafts, and the stirring shafts are respectively provided with large blades and small blades from top to bottom. The utility model discloses a establish ties between the retort and adopt at the uniform velocity continuous feeding, solved the reaction and produced the foam volume, the problem of the violent change of reaction gas pressure makes safe, stable, the continuous going on of reaction.

Description

Novel aluminum ash reaction conveying system

Technical Field

The utility model relates to an aluminium ash innocent treatment technical field especially relates to a novel aluminium ash reaction conveying system.

Background

The harmless process of the hazardous waste of the aluminum ash comprises the steps of removing impurities such as nitrides, fluorides, salts and the like in the secondary aluminum ash in the modes of acid leaching, alkali leaching, washing and the like to obtain harmless aluminum ash, and then safely burying the harmless aluminum ash.

When the aluminum ash reacts with water for harmless treatment, the reaction process of the aluminum ash and the water is as follows: the reaction is slow at the beginning, and a small amount of gas is generated; along with the reaction, the temperature is gradually increased, the reaction is violent, and a large amount of gas is generated; then the reaction is slowed down, the amount of generated gas gradually decreases, and no gas is generated until the reaction is stopped at last, and the whole process takes about 5 hours.

The original one retort that adopts of my factory, aluminium ash and water add to a retort and react promptly, and reaction foam production volume, gas pressure are very unstable. Later, the mixture is added into three reaction tanks which are connected in parallel, as shown in the attached figure 1, the feeding time is averagely staggered, the gas pressure peak value is averagely staggered as much as possible, the problems are improved, but fluctuation still exists, and the requirements of safe and stable continuous production cannot be met.

Have rabbling mechanism in the retort simultaneously, the rabbling mechanism operation makes retort internal liquid effort upwards, is unfavorable for liquid discharge, and retort middle part and below still are provided with braced frame and support rabbling mechanism, and the rabbling mechanism operation can produce slight rocking of the jar body moreover. Therefore, a novel aluminum ash reaction conveying system is provided.

Disclosure of Invention

The utility model discloses a solve retort parallel layout and still have the problem that the reaction produced the foam volume, the violent change of reaction gas pressure, provide a neotype aluminium ash reaction conveying system, change to the tandem system, adopt at the uniform velocity feeding to make aluminium ash reaction safe, stable, continuous going on.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel aluminum ash reaction conveying system comprises a batching tank and three reaction tanks, wherein the reaction tanks are respectively a reaction tank I, a reaction tank II and a reaction tank III which are sequentially communicated, so that the sufficient reaction of aluminum ash can be ensured;

a first conveying pipe is arranged between the batching tank and the first reaction tank to be communicated, a second conveying pipe is arranged between the first reaction tank and the second reaction tank to be communicated, and a third conveying pipe is arranged between the second reaction tank and the third reaction tank to be communicated;

the first conveying pipe, the second conveying pipe and the third conveying pipe are respectively provided with a hose pump for providing a power source for conveying;

an air outlet pipe is communicated among the first reaction tank, the second reaction tank and the third reaction tank and is used for discharging reaction gas;

the stirring mechanism is arranged in the first reaction tank, the second reaction tank and the third reaction tank respectively and comprises a stirring motor and a stirring shaft, the stirring shaft is provided with a large blade and a small blade from top to bottom respectively, and the uniform and thorough reaction of aluminum ash is improved.

Further, conveyer pipe one-tenth intercommunication batching jar bottom and retort first top, conveyer pipe two intercommunication retort first bottom and retort two tops, conveyer pipe three intercommunication retort two bottoms and retort three tops.

Further, the stirring motor is arranged at the top of the reaction tank and connected with the stirring shaft, and the stirring shaft is vertically arranged in the reaction tank.

Further, still be provided with middle part braced frame in the retort, middle part braced frame cover is established on the (mixing) shaft, and rotates with the (mixing) shaft and be connected, improves the rotatory stability of (mixing) shaft.

Furthermore, big paddle and little paddle are laid in the retort below, little paddle is close to the bottom export of retort, makes things convenient for liquid output.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model has reasonable structural design, three reaction tanks are connected in series and feed at a constant speed, and the time from the inlet of the first reaction tank to the outlet of the last reaction tank is kept for 6 hours by adjusting the flow rate of each hose pump and the material level of each reaction tank, so that the aluminum ash slurry is fully reacted; the uniform speed continuous feeding solves the problems of foam quantity generated by reaction and violent change of reaction gas pressure. Through the ground paste material level in the control batching jar, air gets into the retort in the isolated batching jar, stops in the retort combustible gas and air mixture and explodes the risk, makes reaction safety, stable, continuous going on.

The utility model adds two hose pumps on the basis of the original hose pump, thereby improving the staying reaction time of the aluminum ash slurry in the reaction tank; the arranged small blades are positioned at the outlet of the reaction tank, so that the center of the acting force of the liquid flows downwards, and the aluminum ash slurry is convenient to output; get rid of the braced frame of original rabbling mechanism lower part, the liquid outflow of also being convenient for, big paddle cooperation paddle is little simultaneously stirred fully, and the retort does not take place to rock.

Drawings

FIG. 1 is a schematic diagram of a parallel connection of existing reaction tanks.

Fig. 2 is a schematic diagram of the overall structure of the novel aluminum ash reaction conveying system of the present invention.

Fig. 3 is a schematic view of a reaction tank of the novel aluminum ash reaction conveying system of the present invention.

The reference numbers in the figures are: 1 is the batching jar, 2 is retort one, 3 is retort two, 4 is retort three, 5 is conveyer pipe one, 6 is conveyer pipe two, 7 is conveyer pipe three, 8 is the hose pump, 9 is agitator motor, 10 is the (mixing) shaft, 11 is big paddle, 12 is little paddle, 13 is middle part braced frame, 14 is braced frame, 15 is the retort, 16 is rabbling mechanism, 17 is the outlet duct.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 2~ 3, a novel aluminium ash reaction conveying system, including batching jar 1 and retort 15, intercommunication between batching jar 1 and the retort 15, batching jar 1 is used for the interpolation of aluminium ash and water to collect, the stirring is control bottom material level after the ground paste and discharges immediately, and batching jar 1 coils outward has low temperature water coil pipe, reduces batching jar 1 interior ground paste temperature, and the reaction of aluminium ash and water does not go on in batching jar 1.

In this embodiment, the number of the reaction tanks 15 is three, the three reaction tanks 15 are respectively a first reaction tank 2, a second reaction tank 3, and a third reaction tank 4, and the first reaction tank 2, the second reaction tank 3, and the third reaction tank 4 are sequentially communicated.

When the batching tank 1 is communicated with the three reaction tanks 15, a first conveying pipe 5 is arranged between the batching tank 1 and the first reaction tank 2 for communication, and the first conveying pipe 5 is communicated with the bottom of the batching tank 1 and the top of the first reaction tank 2;

a second conveying pipe 6 is arranged between the first reaction tank 2 and the second reaction tank 3 to be communicated, and the second conveying pipe 6 is communicated with the bottom of the first reaction tank 2 and the top of the second reaction tank 3;

be provided with conveyer pipe three 7 between retort two 3 and the retort three 4 with the intercommunication, conveyer pipe three 7 intercommunication retort two 3 bottoms and retort three 4 tops, and then form the series connection intercommunication overall arrangement between batching jar 1, retort one 2, retort two 3 and the retort three 4. A vacuum filter is also communicated behind the third reaction tank 4.

In order to facilitate the conveying of the aluminum ash slurry, the first conveying pipe 5, the second conveying pipe 6 and the third conveying pipe 7 are respectively provided with a hose pump 8 for providing conveying power for the aluminum ash slurry. Wherein, the first delivery pipe 5, the second delivery pipe 6 and the third delivery pipe 7 all adopt stainless steel pipes.

An air outlet pipe 17 is communicated among the first reaction tank 2, the second reaction tank 3 and the third reaction tank 4, and gas generated when the aluminum ash reacts with water is discharged from the air outlet pipe 17.

In order to realize the stirring of the aluminum ash slurry, stirring mechanisms 16 are respectively arranged in the first reaction tank 2, the second reaction tank 3 and the third reaction tank 4, and each stirring mechanism 16 comprises a stirring motor 9 and a stirring shaft 10.

The stirring motor 9 is arranged at the top of the reaction tank 15, namely the stirring motor 9 is arranged at the top of the first reaction tank 2, the second reaction tank 3 and the third reaction tank 4. Stirring motor 9 is connected (mixing) shaft 10, and then can drive (mixing) shaft 10 rotatory, and (mixing) shaft 10 is vertical to be laid in retort 15, and (mixing) shaft 10 is laid in retort one 2, retort two 3 and retort three 4's inside promptly.

Big paddle 11 and little paddle 12 are provided with respectively about (mixing) shaft 10, and big paddle 11 and little paddle 12 are laid in retort 15 below, and little paddle 12 is close to the export in retort 15 bottom, the output of the aluminium ash ground paste of being convenient for.

In order to realize the stable rotation of the stirring shaft 10, a middle supporting frame 13 is further arranged in the reaction tank 15, and the middle supporting frame 13 is sleeved on the stirring shaft 10 and is rotatably connected with the stirring shaft 10 to ensure the stable rotation of the stirring shaft 10.

The utility model discloses the principle does: establish ties between retort 2, retort two 3 and the retort three 4, aluminium ash and water add to batching jar 1 in, and the air can be difficult for getting into batching jar 1 when adding, and batching jar 1 stirs formation aluminium ash ground paste to both, and then separates batching jar 1 interior air admission retort when carrying, stops in the retort combustible gas and air mixture explosion risk.

Aluminum ash and water entering the batching tank 1 immediately enter the first reaction tank 2 at a constant speed under the action of the hose pump 8 on the first conveying pipe 5, the formed aluminum ash slurry enters the second reaction tank 3 at a constant speed under the action of the hose pump 8 on the second conveying pipe 6 after reaching a certain material level, enters the third reaction tank 4 at a constant speed under the action of the hose pump 8 on the third conveying pipe 7 after reaching a certain material level, and enters the vacuum filter for filtering after reaching a certain material level, wherein gas in each reaction tank is discharged through the gas outlet pipe 17. By adjusting the flow rate of each hose pump 8 and the material level of each reaction tank 15, the time from the first reaction tank 2 to the third reaction tank 4 of the aluminum ash slurry is kept at 6 hours, so that the materials are fully reacted, and the safe, stable and continuous reaction is ensured.

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

1. A novel aluminum ash reaction conveying system comprises a batching tank (1) and three reaction tanks (15), and is characterized in that the reaction tanks (15) are three, and the reaction tanks (15) are respectively a reaction tank I (2), a reaction tank II (3) and a reaction tank III (4) which are sequentially communicated;

a first conveying pipe (5) is arranged between the batching tank (1) and the first reaction tank (2) to be communicated, a second conveying pipe (6) is arranged between the first reaction tank (2) and the second reaction tank (3) to be communicated, and a third conveying pipe (7) is arranged between the second reaction tank (3) and the third reaction tank (4) to be communicated;

the first conveying pipe (5), the second conveying pipe (6) and the third conveying pipe (7) are respectively provided with a hose pump (8);

an air outlet pipe (17) is communicated among the first reaction tank (2), the second reaction tank (3) and the third reaction tank (4);

be provided with rabbling mechanism (16) in retort one (2), retort two (3) and retort three (4) respectively, rabbling mechanism (16) are including agitator motor (9) and (mixing) shaft (10), (mixing) shaft (10) are provided with big paddle (11) and little paddle (12) from top to bottom respectively.

2. The novel aluminum ash reaction conveying system according to claim 1, wherein the first conveying pipe (5) is communicated with the bottom of the batching tank (1) and the top of the first reaction tank (2), the second conveying pipe (6) is communicated with the bottom of the first reaction tank (2) and the top of the second reaction tank (3), and the third conveying pipe (7) is communicated with the bottom of the second reaction tank (3) and the top of the third reaction tank (4).

3. The novel aluminum ash reaction conveying system according to claim 1, wherein the stirring motor (9) is arranged at the top of the reaction tank (15), the stirring motor (9) is connected with the stirring shaft (10), and the stirring shaft (10) is vertically arranged in the reaction tank (15).

4. The novel aluminum ash reaction conveying system according to claim 1, wherein a middle supporting frame (13) is further arranged in the reaction tank (15), and the middle supporting frame (13) is sleeved on the stirring shaft (10) and is rotatably connected with the stirring shaft (10).

5. The novel aluminum ash reaction conveying system as claimed in claim 1, characterized in that the large paddle (11) and the small paddle (12) are arranged in the reaction tank (15) at the lower part, and the small paddle (12) is close to the outlet at the bottom of the reaction tank (15).