CN211595055U - Environment-friendly aluminum trichloride sublimation collection device - Google Patents
Environment-friendly aluminum trichloride sublimation collection device Download PDFInfo
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- CN211595055U CN211595055U CN201922309673.6U CN201922309673U CN211595055U CN 211595055 U CN211595055 U CN 211595055U CN 201922309673 U CN201922309673 U CN 201922309673U CN 211595055 U CN211595055 U CN 211595055U
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Abstract
The invention relates to an environment-friendly aluminum trichloride sublimation collecting device, and belongs to environment-friendly collecting equipment in chemical production. The technical scheme is as follows: collect the cover and be trapezoidal platform structure including collecting the cover and connecting the flue gas pipeline who collects the gas outlet mouth at cover top, gas outlet sets up on the trapezoidal top face of collecting the cover, collects the trapezoidal platform downside of cover and for collecting mouth and lid on chlorination reaction furnace, collects trompil and set up the embedded module of wedge on the trompil on the trapezoidal side of cover, and the embedded module of wedge alternates ceramic tube and lets in and collect in the cover and extend to the high temperature melting metal aluminium liquid of chlorination reaction furnace. Has the advantages that: the problem of damaged part and whole maintenance before has been solved, extension overall life. Adopt monoblock steel sheet welding to form, there is not the leakage point, solved aluminium trichloride flue gas and excessive chlorine and leaked the problem of polluted environment outward. The chlorine ceramic tube is installed by adopting a wedge-shaped embedded module with wide outside and narrow inside, so that the ceramic tube can be rapidly replaced when damaged.
Description
Technical Field
The invention relates to an environment-friendly aluminum trichloride sublimation collecting device, and belongs to environment-friendly collecting equipment in chemical production.
Background
The production of the aluminum trichloride is that gaseous aluminum trichloride is generated by the reaction of chlorine and high-temperature molten metal aluminum liquid in a chlorination reaction furnace, then the gaseous aluminum trichloride enters a trap with lower relative temperature, is desublimated into aluminum trichloride solid particles attached to the outer wall of the trap, and then the solid particles of the aluminum trichloride fall off to a lower collecting hopper by applying vibration to the trap, and the aluminum trichloride is discharged and sold after being packaged. The traditional collection system is that a collection cover is built by refractory bricks on a chlorination reaction furnace, and collection is carried out through the collection cover.
In the existing production process, the collection cover built by the refractory bricks for the chlorination reaction furnace is used at a high temperature for a long time, cracks can appear, aluminum trichloride smoke and excessive chlorine gas easily permeate brick seams to overflow from crack seams, and therefore the environment is polluted. In addition, when the reaction furnace is overhauled, the cover body of the collecting cover is built by adopting refractory bricks, and the refractory bricks are supported in a mode of building pillars at the bottom of the reaction furnace, so that the whole collecting cover can be detached and damaged during overhauling, and the reaction furnace can be damaged at a high probability and cannot be reused, and resources are wasted. Moreover, the collection cover newly built on the reaction furnace can be used only after being baked for 3-4 days, and the production efficiency is low.
Disclosure of Invention
The invention provides an environment-friendly aluminum trichloride sublimation collecting device, which solves the problem of cracks of a collecting device for aluminum trichloride smoke and excessive chlorine.
In order to achieve the purpose, the invention adopts the technical scheme that:
environment-friendly aluminium trichloride sublimation collection device collects the cover and connects the flue gas pipeline who collects the gas outlet mouth at cover top including collecting the cover, collects the cover and be trapezoidal platform structure, gas outlet sets up on the trapezoidal bench top face of collecting the cover, collects the trapezoidal platform downside of cover for collecting mouthful and cover on chlorination reaction furnace, collects trompil on the trapezoidal side of cover and sets up the embedded module of wedge on the trompil, and the embedded module of wedge alternates ceramic tube and lets in and collect in the cover and extend to chlorination reaction furnace's high temperature melting metal aluminium liquid.
Preferably, a downward sealing baffle is arranged around the collecting opening of the collecting cover.
Further preferably, the collecting cover and/or the sealing baffle are welded by steel plates to form an outer shell, and then the steel outer shell is integrally cast and formed by using refractory cement.
Preferably, the refractory cement attachment anchor points are welded inside the steel shell.
Preferably, the trapezoidal structure of the collecting cover is provided with a wedge-shaped embedded module, the horizontal inclined included angle of the side surface of the wedge-shaped embedded module is 30-45 degrees, and the horizontal inclined included angles of the other three side surfaces are equal.
Preferably, the lower ends of the side surface of the collecting cover provided with the wedge-shaped embedded module and the other opposite side surface are respectively provided with a horizontal steel bracket, and the steel brackets are fixed on the collecting cover.
Preferably, the two sides of the sealing baffle plate at the lower part of the symmetrical side surface of the collecting cover are simultaneously poured and covered with refractory cement, and the contact surface of the sealing baffle plate and the refractory cement is provided with a refractory cement attachment anchor point.
The invention has the advantages that: the problem of damaged part and whole maintenance before has been solved, extension overall life. The device is formed by welding a whole steel plate, has no leakage point, and fundamentally solves the problem that the aluminum trichloride smoke and excessive chlorine leak to pollute the environment. The chlorine-introducing ceramic pipe is not built in an integral structure any more, but is installed by adopting a wedge-shaped embedded module with wide outside and narrow inside, so that the ceramic pipe is quickly replaced when damaged. The device is integrally formed, can be prefabricated and baked in advance, can be put into production and use in time after being overhauled, shortens commissioning time and improves production efficiency. The device is formed by welding steel plates, has high strength and can be repeatedly used.
Drawings
Figure 1 is a perspective view of the present invention,
figure 2 is a side cut-away view of the invention first,
figure 3 is a side cut structural view of the present invention two,
figure 4 is a block diagram of the invention after installation,
1 flue gas pipeline 2 collects cover 3 wedge embedded module 4 steel support 5 sealing baffle 6 fire-resistant cement layer 7 fire-resistant cement and adheres to anchor point 8 shell 9 ceramic tube 10 chlorination reaction furnace.
Detailed Description
In the following description of the specific structure of the present invention,
the environment-friendly aluminum trichloride sublimation collecting device has the structure shown in figures 1-4, and comprises a collecting cover 2 and a flue gas pipeline 1 connected with a gas outlet at the top of the collecting cover 2, wherein the collecting cover 2 is in a trapezoidal hollow structure,
the gas outlet is arranged on the top surface of the trapezoid table top of the collecting cover 2, the lower part of the collecting cover 2 is a gas collecting port, and the collecting port of the collecting cover 2 is covered on the chlorination reaction furnace 10.
The trapezoidal side surface of the collecting cover 2 is provided with a hole, the hole is provided with a wedge-shaped embedded module 3, the wedge-shaped embedded module 3 is inserted into a ceramic tube 9 and is introduced into the collecting cover 2 and extends into the high-temperature molten metal aluminum liquid of the chlorination reaction furnace 10.
As shown in fig. 2, the trapezoidal structure of the collecting hood 2 has a side horizontal inclined included angle of 30-45 degrees with the wedge-shaped embedded module 3, and the horizontal inclined included angles of the other three sides are equal.
The side of collecting cover 2 that is equipped with wedge embedded module 3 sets up horizontally steel bracket 4 respectively with another relative side lower extreme, and steel bracket 4 is fixed in and collects on the cover 2, collects the cover both ends and adopts the steel bracket to erect the mode on chlorination reaction furnace 10 oven and support, collects the collection mouth a week of cover 2 and sets up decurrent seal baffle 5, and seal baffle 5 guarantees to collect and does not leak the sealed between cover and the chlorination reaction furnace 10.
Collect cover 2 and sealed 5 by steel sheet welding make shell 8, weld refractory cement in steel shell 8 inside and adhere to anchor point 7, then use refractory cement at the inside integrated casting of steel shell 8 shaping. The refractory cement is high temperature resistant and corrosion resistant. The refractory cement after solidification is fixed with the shell by the refractory cement attachment anchor points 7, and the separation of the refractory cement and the shell is avoided.
The two sides of the sealing baffle 5 at the lower part of the symmetrical side surface of the collecting cover 2 are simultaneously provided with the refractory cement attachment anchor points 7 and poured and covered with the refractory cement, so that the damage of the steel plate shell caused by the contact with the chlorination reaction furnace 10 is avoided. The thickness of the steel plate of the shell is 8mm, and the thickness of the refractory cement and the steel plate shell is 40mm together.
The working principle of the invention is as follows: the device is placed on a chlorination reaction furnace 10, the liquid level of high-temperature molten metal aluminum liquid is in the middle position of the sealing baffle, and the liquid level is higher than the lower edge of the sealing baffle to prevent aluminum trichloride smoke and excessive chlorine from leaking outwards. Chlorine gas is introduced into the high-temperature molten metal aluminum liquid in the collecting cover through a ceramic tube arranged in the wedge-shaped embedded module. The chlorine reacts with molten metal aluminum liquid to generate gaseous aluminum trichloride, and then the gaseous aluminum trichloride rises above the liquid level along with excessive chlorine bubbles, enters the collecting cover and further enters the next equipment catcher along the flue gas pipeline.
The invention changes the original installation mode that the reaction furnace and the collecting cover are integrally built by refractory bricks into the mode that the collecting cover integrally formed by steel plates and refractory cement is assembled with the reaction furnace separately. The invention changes the original support mode that the collection cover adopts refractory bricks to build a support column at the bottom of the reaction furnace into the support mode that steel brackets are erected at the two ends of the collection cover on the furnace wall of the reaction furnace. The original integrally-built chlorine-introducing ceramic pipe is changed into a wedge-shaped module embedded installation mode, so that the ceramic pipe which is easy to lose is convenient to replace.
Claims (7)
1. The utility model provides an environment-friendly aluminium trichloride sublimation collection device, characterized by, collects cover (2) and connects gas discharge port's of collecting cover (2) top flue gas pipeline (1) including collecting cover (2), collects cover (2) and is trapezoidal platform structure, gas discharge port sets up on the trapezoidal bench top face of collecting cover (2), collects the trapezoidal platform downside of cover (2) and covers on chlorination reaction furnace (10) for collecting the mouth, collects trompil on the trapezoidal side of cover (2) and sets up embedded module of wedge (3) on the trompil, and embedded module of wedge (3) alternates ceramic pipe (9) and lets in and collect in cover (2) and extend to chlorination reaction furnace (10).
2. The environment-friendly aluminum trichloride sublimation collecting device as claimed in claim 1, wherein a downward sealing baffle (5) is arranged around the collecting port of the collecting cover (2).
3. The environment-friendly aluminum trichloride sublimation collecting device according to claim 1 or 2, wherein the collecting cover (2) and/or the sealing baffle (5) is formed by welding steel plates to form the outer shell (8), and then pouring refractory cement into the steel outer shell (8) in an integral manner.
4. The environment-friendly aluminum trichloride sublimation collecting device as claimed in claim 3, wherein a refractory cement attachment anchor point (7) is welded inside the steel housing (8).
5. The environment-friendly aluminum trichloride sublimation collecting device as claimed in claim 4, wherein the trapezoidal structure of the collecting cover (2) is provided with a wedge-shaped embedded module (3) having a side surface inclined horizontally at an included angle of 30-45 degrees, and the other three side surfaces inclined horizontally at an included angle equal to each other.
6. The environment-friendly aluminum trichloride sublimation collecting device according to claim 5, wherein the lower ends of the side surface of the collecting cover (2) provided with the wedge-shaped embedded module (3) and the other opposite side surface are respectively provided with a horizontal steel bracket (4), and the steel bracket (4) is fixed on the collecting cover (2).
7. The environment-friendly aluminum trichloride sublimation collecting device as claimed in claim 6, wherein the two sides of the sealing baffle (5) at the lower part of the symmetrical side surface of the collecting cover (2) are simultaneously poured and covered with refractory cement, and the contact surface of the sealing baffle and the refractory cement is provided with refractory cement attachment anchor points (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309673.6U CN211595055U (en) | 2019-12-20 | 2019-12-20 | Environment-friendly aluminum trichloride sublimation collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309673.6U CN211595055U (en) | 2019-12-20 | 2019-12-20 | Environment-friendly aluminum trichloride sublimation collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211595055U true CN211595055U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922309673.6U Active CN211595055U (en) | 2019-12-20 | 2019-12-20 | Environment-friendly aluminum trichloride sublimation collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211595055U (en) |
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- 2019-12-20 CN CN201922309673.6U patent/CN211595055U/en active Active
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