CN215713432U - Electrolytic aluminum gas collection device capable of improving gas collection amount - Google Patents
Electrolytic aluminum gas collection device capable of improving gas collection amount Download PDFInfo
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- CN215713432U CN215713432U CN202122270445.XU CN202122270445U CN215713432U CN 215713432 U CN215713432 U CN 215713432U CN 202122270445 U CN202122270445 U CN 202122270445U CN 215713432 U CN215713432 U CN 215713432U
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Abstract
The utility model discloses an electrolytic aluminum gas collection device capable of improving gas collection capacity, which comprises a base, wherein a sealing ring is arranged between the base and a tank cover plate, an observation window is arranged on the tank cover plate, an electrolytic tank is arranged on the upper surface of the base, a branch pipe is arranged above one side of the electrolytic tank and connected onto smoke pipes, the two smoke pipes are respectively connected with a confluence smoke pipe, the other ends of the confluence smoke pipes are connected onto a main flue, the main flue is arranged on one side of a purifying casing, an overhaul port is arranged at the center of the other side of the purifying casing, a fixed rod is fixed inside the purifying casing, a filter bag is arranged between the fixed rods, a filter screen is arranged at the lower end of the purifying casing, a smoke exhaust pipe is arranged outside the filter screen, a suction fan is arranged in the smoke exhaust pipe, and a smoke exhaust port is arranged at one end of the smoke exhaust pipe. This electrolytic aluminum gas collection device that can improve gas collection volume improves the leakproofness of the device to improve the entrapment efficiency of fluorine-containing flue gas, discharge after the purification flue gas.
Description
Technical Field
The utility model relates to the technical field of electrolytic aluminum, in particular to an electrolytic aluminum gas collecting device capable of improving gas collection amount.
Background
Fluoride salt is one of indispensable components of electrolytic aluminum in the production process of electrolytic aluminum, the high temperature generated in the reaction in an electrolytic cell causes the fluoride salt and water to generate hydrolysis reaction, a large amount of hydrogen fluoride gas is generated, the hydrogen fluoride gas is a main pollutant generated in the electrolytic aluminum process, and the fluorine-containing flue gas discharged from the electrolytic cell has great harm to human health, the workshop environment and the quality of the surrounding atmosphere, so that the state stipulates strict discharge standards, and the flue gas can be discharged after being treated.
At present, when most domestic enterprises treat and collect fluorine-containing flue gas discharged by electrolytic cells, a common gas collecting device is adopted, the fluorine-containing flue gas collecting efficiency is low, and the fluorine hydride gas in clean gas cannot be completely purified, so that the emission exceeds the standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrolytic aluminum gas collecting device capable of improving the gas collecting amount, so as to solve the problems that the trapping efficiency of fluorine-containing flue gas is low, hydrogen fluoride gas in clean gas cannot be completely purified, and untreated fluorine-containing gas is easy to leak due to damaged shell.
In order to achieve the purpose, the utility model provides the following technical scheme: an electrolytic aluminum gas collection device capable of improving gas collection amount comprises a base, a sealing ring is fixed on the upper surface of the base, a groove cover plate is installed on the upper surface of the sealing ring, and an observation window is arranged in the middle of one side of the groove cover plate;
the electrolytic bath is a device for electrolyzing aluminum, the electrolytic bath is arranged on the upper surface of the base, the electrolytic bath is arranged in the sealing ring, one end of the branch pipe is arranged above one side of 4 electrolytic baths, one end of the branch pipe is arranged above one side of the other 3 electrolytic baths, the branch pipe connected with the 4 electrolytic baths is connected to the first smoke pipe, the branch pipe connected with the 3 electrolytic baths is connected to the second smoke pipe, the same end of the first smoke pipe and the second smoke pipe is connected with the first confluence smoke pipe and the second confluence smoke pipe, the middle parts of the first confluence smoke pipe and the second confluence smoke pipe penetrate through one side of the cover plate of the bath, the same ends of the first confluence smoke pipe and the second confluence smoke pipe are connected to one side of the main flue, and the joint of the first confluence smoke pipe and the second confluence smoke pipe and the main flue is provided with a flow valve;
the purification device comprises a purification shell, a main flue and an access hole, wherein one side of the purification shell is provided with one end of the main flue, the center of the other side of the purification shell is provided with the access hole, fixed rods are fixedly arranged on the upper surface and the lower surface in the purification shell, a filter bag is arranged between the fixed rods, a filter screen is arranged at the oblique lower end of one side of the purification shell, and the filter screen is arranged below the access hole;
the smoke exhaust pipe is used for exhausting smoke, the smoke exhaust pipe is installed outside the filter screen, a suction fan is arranged in the smoke exhaust pipe, a smoke exhaust port is installed at one end of the smoke exhaust pipe, and a support is fixedly installed on the smoke exhaust pipe and the smoke exhaust port.
By adopting the technical scheme, the sealing performance of the device is improved, the trapping efficiency of the fluorine-containing flue gas is improved, the air collection amount is improved, and the purity of finally discharged air is high.
Preferably, the length of the observation window is longer than the distance between the electrolytic cell connected with the first confluence smoke pipe and the electrolytic cell connected with the second smoke pipe, and the width of the observation window is half of the height of the side surface of the cover plate of the cell.
By adopting the technical scheme, whether the running state of the device has problems or not can be effectively observed when the smoke is collected.
Preferably, the branch pipe is composed of a flue, a regulating valve and a height meter, one end of the flue is connected to the first smoke pipe, the other end of the flue is installed on one side of the electrolytic bath, the regulating valve is arranged at the joint of the flue and the electrolytic bath, and the height meter is installed on the inner wall of the upper portion of the flue.
By adopting the technical scheme, whether the negative pressure in the flue and the second flue is stable or not can be observed, the flue gas can be conveniently collected, and the introduction amount of the flue gas can be adjusted.
Preferably, the flue is connected by two pipes of the same size to be obtuse angle between two pipes, the altimeter is half-round plate-shaped, and the laminating is installed in the upper tube inner wall of flue.
By adopting the technical scheme, the flue gas can be conveniently and efficiently collected, and the introduction amount of the flue gas can be adjusted.
Preferably, a plurality of exhaust holes are formed in the two sides of the first smoke pipe and the second smoke pipe, and the length of the second smoke pipe is smaller than that of the first smoke pipe.
By adopting the technical scheme, the electrolytic cell is convenient to distribute, the capacity in the flue is changed, and the gas collection efficiency is improved.
Preferably, the filler in the filter bag is alumina solid, the filter bag is uniformly placed in the middle of the interior of the purifying casing, and the area of the filter bag is consistent with that of the purifying casing.
By adopting the technical scheme, the hydrogen fluoride gas in the gas can be effectively adsorbed, and the flue gas purification is completed.
Compared with the prior art, the utility model has the beneficial effects that: this can improve electrolytic aluminum gas collection device of gas collection volume:
1. the device is provided with a layer of sealing ring between the tank cover plate and the base, so that the problem that fluorine-containing flue gas leaks out of the device due to the damage of the electrolytic tank in the gas collection process of the device to cause the environmental pollution of a workshop is prevented, a transparent observation window is arranged on one side of the tank cover plate, the gas collection process can be directly observed, and if the problem occurs in the process, the problem can be found in time;
2. the device adopts an upper flue gas collection method, each electrolytic cell is connected with a flue, whether the flue gas of the electrolytic cell is collected or not can be selected through a regulating valve, the introduction amount of the flue gas can also be selected, and a height meter is arranged in the flue, so that the negative pressure in the flue can be directly observed;
3. the device installs a purifier behind the flue, adsorbs the hydrogen fluoride gas in the flue gas through the filter bag among the purifier, is provided with a filter screen in purifier's exit, can filter other impurity in the gas after detaching hydrogen fluoride gas, accomplishes whole purification, discharges through the exhaust port.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of a flue mounting structure of the present invention.
In the figure: 1. a base; 2. a seal ring; 3. a slot cover plate; 4. an observation window; 5. an electrolytic cell; 6. a branch pipe; 6-1, flue; 6-2, adjusting a valve; 6-3, an altimeter; 7. a first smoke tube; 8. a second smoke tube; 9. an exhaust hole; 10. a converging smoke pipe I; 11. a converging smoke pipe II; 12. a flow valve; 13. a main flue; 14. a purifying housing; 15. an access hole; 16. fixing the rod; 17. a filter bag; 18. a filter screen; 19. a smoke exhaust pipe; 20. a suction fan; 21. a smoke outlet; 22. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an electrolytic aluminum gas collection device capable of improving gas collection capacity comprises a base 1, a sealing ring 2, a tank cover plate 3, an observation window 4, an electrolytic tank 5, a branch pipe 6, a flue 6-1, a regulating valve 6-2, a height meter 6-3, a first smoke pipe 7, a second smoke pipe 8, an exhaust hole 9, a confluence smoke pipe 10, a confluence smoke pipe two 11, a flow valve 12, a total flue 13, a purifying casing 14, an access hole 15, a fixing rod 16, a filter bag 17, a filter screen 18, a smoke exhaust pipe 19, a suction fan 20, a smoke exhaust port 21 and a support 22.
The device comprises a base 1, a sealing ring 2, a groove cover plate 3, an observation window 4, a second smoke pipe 8 and a flow collecting smoke pipe I10, wherein the sealing ring 2 is fixed on the upper surface of the base 1, the groove cover plate 3 is installed on the upper surface of the sealing ring 2, the observation window 4 is arranged in the middle of one side of the groove cover plate 3, the length of the observation window 4 is longer than the distance between the electrolysis bath 5 connected with the flow collecting smoke pipe I10 and the electrolysis bath 5 connected with the second smoke pipe 8, and the width of the observation window 4 is half of the height of the side surface of the groove cover plate 3;
when the device is in operation, whether the whole gas collection process has problems can be observed through the observation window 4, if the problems are found, the device can be closed in time, and gas leakage and safety accidents are prevented;
the electrolytic bath 5 is a device for electrolyzing aluminum, the electrolytic bath 5 is arranged on the upper surface of the base 1, the electrolytic bath 5 is arranged in the sealing ring 2, one end of a branch pipe 6 is arranged above one side of 4 electrolytic baths 5, the branch pipe 6 is composed of a flue 6-1, a regulating valve 6-2 and a height gauge 6-3, one end of the flue 6-1 is connected with a first smoke pipe 7, the other end of the flue 6-1 is arranged on one side of the electrolytic bath 5, the regulating valve 6-2 is arranged at the joint of the flue 6-1 and the electrolytic baths 5, the height gauge 6-3 is arranged on the inner wall of the upper part of the flue 6-1, the flue 6-1 is connected by two pipes with the same size, an obtuse angle is formed between the two pipes, the height gauge 6-3 is in the shape of a semicircular plate and is attached to the inner wall of the upper pipe of the flue 6-1, in addition, one end of a branch pipe 6 is arranged above one side of each of the 3 electrolytic cells 5, the branch pipe 6 connected with the 4 electrolytic cells 5 is connected to a first smoke pipe 7, the branch pipe 6 connected with the 3 electrolytic cells 5 is connected to a second smoke pipe 8, the same end of the first smoke pipe 7 and the same end of the second smoke pipe 8 are connected with a first confluence smoke pipe 10 and a second confluence smoke pipe 11, the middle parts of the first confluence smoke pipe 10 and the second confluence smoke pipe 11 penetrate through one side of the tank cover plate 3, the same end of the first confluence smoke pipe 10 and the second confluence smoke pipe 11 is connected to one side of a main flue 13, and a flow valve 12 is arranged at the connection part of the first confluence smoke pipe 10, the second confluence smoke pipe 11 and the main flue 13;
when gas collection is needed, firstly opening the regulating valve 6-2, then enabling the flue gas to pass through the branch pipe 6, enabling the flue gas in the branch pipe 6 to enter the first smoke pipe 7 and the second smoke pipe 8, then enabling the flue gas to enter the first conflux smoke pipe 10 and the second conflux smoke pipe 11 through the first smoke pipe 7 and the second smoke pipe 8, then opening the flow valve 12, enabling the flue gas in the first conflux smoke pipe 10 and the second conflux smoke pipe 11 to enter the main flue 13 together, completing the gas collection, and when the gas collection is not needed, only closing the regulating valve 6-2 and the flow valve 12;
a purification casing 14 which is a main body of the purification device, wherein one side of the purification casing 14 is provided with one end of a main flue 13, the center of the other side of the purification casing 14 is provided with an access hole 15, fixing rods 16 are fixedly arranged on the upper surface and the lower surface in the purification casing 14, filter bags 17 are arranged between the fixing rods 16, fillers in the filter bags 17 are alumina solids, the filter bags 17 are uniformly arranged in the middle of the inside of the purification casing 14, the areas of the filter bags 17 are consistent with the areas of the purification casing 14, a filter screen 18 is arranged at the oblique lower end of one side of the purification casing 14, and the filter screen 18 is arranged below the access hole 15;
the operation of the purification device is that the flue gas in the main flue 13 flows into the purification shell 14, the filter bag 17 in the purification shell 14 can automatically adsorb the hydrogen fluoride gas in the flue gas, and the rest gas can filter other impurities through the filter screen 18 at the outlet of the purification device, so that the whole purification process is completed;
the smoke exhaust pipe 19 is used for exhausting smoke, the smoke exhaust pipe 19 is installed outside the filter screen 18, a suction fan 20 is arranged in the smoke exhaust pipe 19, one end of the smoke exhaust pipe 19 is provided with a smoke exhaust port 21, and a support 22 is fixedly installed on the smoke exhaust pipe 19 and the smoke exhaust port 21;
the suction fan 20 in the smoke exhaust pipe 19 sucks out the purified gas, and the gas passes through the smoke exhaust pipe 19 and is exhausted through the smoke exhaust port 21.
The working principle is as follows: when the electrolytic aluminum gas collection device capable of improving the gas collection amount is used, a layer of sealing ring 2 is arranged between a groove cover plate 3 and a base 1, leakage of fluorine-containing smoke gas is prevented, and workshop environmental pollution is caused, a transparent observation window 4 is arranged on one side of the groove cover plate 3, and the gas collection process can be observed, and an upper flue gas collection method adopted by the device can select whether to collect the smoke gas of the electrolytic groove 5 or not through an adjusting valve, the introduction amount of the smoke gas can also be selected, a height gauge 6-3 is arranged in a flue 6-1, the negative pressure in the flue can be observed, the device is provided with a purification device, the hydrogen fluoride gas can be removed, a filter screen 18 at the outlet of the purification device can filter other impurities, purification is completed, and the whole practicability is increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An electrolytic aluminum gas collecting device capable of improving the gas collecting amount, comprising:
the device comprises a base (1) for supporting, wherein a sealing ring (2) is fixed on the upper surface of the base (1), a groove cover plate (3) is installed on the upper surface of the sealing ring (2), and an observation window (4) is arranged in the middle of one side of the groove cover plate (3);
the electrolytic bath (5) is a device for electrolyzing aluminum, the electrolytic bath (5) is arranged on the upper surface of the base (1), the electrolytic bath (5) is arranged in the sealing ring (2), one end of the branch pipe (6) is arranged above one side of 4 electrolytic baths (5), one end of the branch pipe (6) is arranged above one side of the other 3 electrolytic baths (5), the branch pipe (6) for connecting 4 electrolytic baths (5) is connected to the first smoke pipe (7), the branch pipe (6) for connecting 3 electrolytic baths (5) is connected to the second smoke pipe (8), the same end of the first smoke pipe (7) and the second smoke pipe (8) is connected with the first converging smoke pipe (10) and the second converging smoke pipe (11), the middle parts of the first converging smoke pipe (10) and the second converging smoke pipe (11) penetrate through one side of the cover plate (3), and the same end of the first converging smoke pipe (10) and the second converging smoke pipe (11) is connected to one side of the main flue (13), a flow valve (12) is installed at the connecting part of the confluence smoke pipe I (10) and the confluence smoke pipe II (11) and the main flue (13);
the purification device comprises a purification machine shell (14) which is a main body of the purification device, wherein one end of a main flue (13) is installed on one side of the purification machine shell (14), an access hole (15) is installed in the center of the other side of the purification machine shell (14), fixing rods (16) are installed and fixed on the upper surface and the lower surface in the purification machine shell (14), a filter bag (17) is installed between the fixing rods (16), a filter screen (18) is installed at the oblique lower end of one side of the purification machine shell (14), and the filter screen (18) is arranged below the access hole (15);
a pipe (19) of discharging fume, it is used for discharging fume, discharge fume pipe (19) are installed outside filter screen (18), and are provided with suction fan (20) in discharging fume pipe (19), discharge fume port (21) are installed to the one end of discharging fume pipe (19), and discharge fume and install on pipe (19) and discharge fume port (21) and be fixed with support (22).
2. An electrolytic aluminum gas collecting device capable of improving the gas collecting amount according to claim 1, wherein: the length of the observation window (4) is longer than the distance between the electrolytic cell (5) connected with the confluence smoke pipe I (10) and the electrolytic cell (5) of the second smoke pipe (8), and the height of the observation window (4) is half of the height of the side surface of the cover plate (3).
3. An electrolytic aluminum gas collecting device capable of improving the gas collecting amount according to claim 1, wherein: the branch pipe (6) is composed of a flue (6-1), a regulating valve (6-2) and a height meter (6-3), one end of the flue (6-1) is connected to the first smoke pipe (7), the other end of the flue (6-1) is installed on one side of the electrolytic cell (5), the regulating valve (6-2) is arranged at the joint of the flue (6-1) and the electrolytic cell (5), and the height meter (6-3) is installed on the inner wall of the upper portion of the flue (6-1).
4. An electrolytic aluminum gas collecting device capable of improving the gas collecting amount according to claim 3, wherein: the flue (6-1) is connected by two pipes with the same size, an obtuse angle is formed between the two pipes, and the height gauge (6-3) is in a semicircular plate shape and is attached to the inner wall of the upper pipe of the flue (6-1).
5. An electrolytic aluminum gas collecting device capable of improving the gas collecting amount according to claim 1, wherein: the two sides of the first smoke pipe (7) and the second smoke pipe (8) are both provided with a plurality of exhaust holes (9), and the length of the second smoke pipe (8) is smaller than that of the first smoke pipe (7).
6. An electrolytic aluminum gas collecting device capable of improving the gas collecting amount according to claim 1, wherein: the filler in the filter bag (17) is alumina solid, the filter bag (17) is uniformly arranged in the middle of the interior of the purifying machine shell (14), and the area of the filter bag (17) is consistent with that of the purifying machine shell (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270445.XU CN215713432U (en) | 2021-09-18 | 2021-09-18 | Electrolytic aluminum gas collection device capable of improving gas collection amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270445.XU CN215713432U (en) | 2021-09-18 | 2021-09-18 | Electrolytic aluminum gas collection device capable of improving gas collection amount |
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| Publication Number | Publication Date |
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| CN215713432U true CN215713432U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122270445.XU Active CN215713432U (en) | 2021-09-18 | 2021-09-18 | Electrolytic aluminum gas collection device capable of improving gas collection amount |
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2021
- 2021-09-18 CN CN202122270445.XU patent/CN215713432U/en active Active
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