CN213388928U - Tombarthite electrolysis trough waste gas recovery device - Google Patents
Tombarthite electrolysis trough waste gas recovery device Download PDFInfo
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- CN213388928U CN213388928U CN202021577274.4U CN202021577274U CN213388928U CN 213388928 U CN213388928 U CN 213388928U CN 202021577274 U CN202021577274 U CN 202021577274U CN 213388928 U CN213388928 U CN 213388928U
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Abstract
The utility model discloses a collection of waste gas convenient to tombarthite electrolysis produces can purify waste gas simultaneously, reduces environmental pollution's tombarthite electrolysis trough waste gas recovery device. The waste gas recovery device of the rare earth electrolytic cell comprises a spray filter and a gas collecting hood arranged outside the electrolytic cell; a filtering tank is arranged on one side of the gas-collecting hood; the waste gas is collected by the gas-collecting hood and then passes through the filtering tank and the spray filter in sequence. The waste gas recovery device of the rare earth electrolytic cell is convenient for collecting and purifying waste gas, can improve the electrolytic environment, and is environment-friendly and pollution-free.
Description
Technical Field
The utility model relates to a processing of waste gas in the rare earth electrolysis process, in particular to a waste gas recovery device of a rare earth electrolysis bath.
Background
It is known that: rare earth is a general name of seventeen metal elements including lanthanide elements, scandium and yttrium in a chemical periodic table. There are 250 kinds of rare-earth ores in nature.
Rare earth metal or fluoride and silicide are added into the steel, which can play the roles of refining, desulfurizing, neutralizing low-melting-point harmful impurities and can improve the processing performance of the steel; the rare earth silicon-iron alloy and the rare earth silicon-magnesium alloy are used as nodulizers to produce the rare earth nodular cast iron, and the nodular cast iron is particularly suitable for producing complex nodular iron pieces with special requirements and is widely used in the machinery manufacturing industries of automobiles, tractors, diesel engines and the like; the rare earth metal is added into the nonferrous alloy of magnesium, aluminum, copper, zinc, nickel and the like, so that the physical and chemical properties of the alloy can be improved, and the room temperature and high temperature mechanical properties of the alloy can be improved.
The molten salt electrolysis method is one of the main domestic methods for producing mixed and single rare earth metals and alloys. In the process of rare earth electrolysis, a rare earth metal electrolytic furnace is required, and an electrolytic graphite tank is arranged in the rare earth metal electrolytic furnace. In the process of electrolysis, the raw materials are put into an electrolytic graphite tank for electrolysis; certain polluted waste gas is generated by electrolysis; because the existing rare earth metal electrolytic furnace is open, the operating environment of rare earth chloride electrolysis is poor, and the requirement of environmental protection cannot be met; and is inconvenient for collecting and treating waste gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a tombarthite electrolysis trough waste gas recovery device is provided to waste gas's collection convenient to tombarthite electrolysis produces can purify waste gas simultaneously, reduces environmental pollution.
The utility model provides a technical scheme that its technical problem adopted is: a rare earth electrolytic cell waste gas recovery device comprises a spray filter and a gas collecting hood arranged outside an electrolytic cell; a clapboard is arranged at the upper part of the gas-collecting hood; the two ends of the partition plate are respectively provided with a first exhaust fan;
a second exhaust fan is arranged at the middle position of the top of the gas-collecting hood; a channel is arranged between the clapboard and the top of the gas-collecting hood; a second air filter is arranged in the channel;
a filtering tank is arranged on one side of the gas-collecting hood; a buffer cavity is arranged on the filtering tank; an exhaust cavity communicated with the filter tank is arranged above one end of the filter tank;
the buffer cavity is communicated with the second exhaust fan; the central position of the bottom of the filter tank is provided with an air distribution device; the buffer cavity is communicated with the gas distribution device through a conduit;
a circulating pump is arranged on one side of the filtering tank; the circulating pump is communicated with the bottom of the filtering tank; a two-position three-way valve is arranged on a pipeline for communicating the circulating pump with the filter tank;
the circulating pump is provided with a main water outlet pipe; a side pipe is arranged on the main water outlet pipe; one end of the water outlet main pipe is communicated with the second spray head; the side pipe is communicated with the first spray head;
a first spray head is arranged at the middle position of the top of the filtering tank; a second spray head is arranged in the exhaust cavity; an exhaust pipe is arranged on one side of the exhaust cavity; the exhaust pipe is positioned above the second spray head; the bottom of the filter tank is provided with an openable waste liquid discharge pipe;
the exhaust pipe is communicated with the air inlet of the spray filter; the air outlet of the spray filter is provided with a third exhaust fan; the spray filter is provided with a liquid discharge pipe and a liquid inlet pipe.
Further, a first flow regulating valve is arranged on the side pipe; and a second flow regulating valve is arranged at one end of the water outlet main pipe connected with the second spray head.
Furthermore, a vent pipe is arranged at the bottom of the gas collecting hood; an air filter is arranged on the breather pipe.
The utility model has the advantages that: the waste gas recovery device of the rare earth electrolytic cell of the utility model is characterized in that the gas collecting hood is arranged outside the electrolytic cell; a clapboard is arranged above the gas-collecting hood, exhaust fans are arranged at two ends of the clapboard, and the exhaust fans are arranged at the top of the gas-collecting hood, so that the waste gas flows in a square shape and flows upwards from the outer side of the electrolytic cell; the air filtering device is used for filtering in the channel above the partition plate, so that dust in the waste gas is filtered; then the waste gas passes through the air exhauster, the suction reaches the filtering ponds, realizes the filtration of harmful chemical substance in the waste gas through the filtering ponds, finally realizes further purification through spraying the filter again to reduce the pollution of exhaust emission to the environment, improve the electrolysis environment simultaneously.
To sum up, a tombarthite electrolysis trough waste gas recovery device, the collection and the purification treatment of waste gas of can being convenient for can improve the electrolysis environment, the environmental protection is pollution-free.
Drawings
FIG. 1 is a schematic structural diagram of a waste gas recovery device of a rare earth electrolytic cell in an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the rare earth electrolytic cell waste gas recovery device of the present invention comprises a spray filter 17 and a gas collecting hood 2 installed outside an electrolytic cell 1; the upper part of the gas-collecting hood 2 is provided with a clapboard 3; two ends of the partition plate 3 are respectively provided with a first exhaust fan 4;
a second exhaust fan 6 is arranged at the middle position of the top of the gas-collecting hood 2; a channel is arranged between the separator 3 and the top of the gas-collecting hood 2; a second air filter 5 is arranged in the channel;
a filtering tank 7 is arranged on one side of the gas-collecting hood 2; a buffer cavity 13 is arranged on the filtering tank 7; an exhaust cavity 8 communicated with the filtering tank 7 is arranged above one end of the filtering tank 7;
the buffer cavity 13 is communicated with the second exhaust fan 6; an air distribution device 10 is arranged at the central position of the bottom of the filtering tank 7; the buffer cavity 13 is communicated with the gas distribution device 10 through a conduit 22;
a circulating pump 11 is arranged on one side of the filtering tank 7; the circulating pump 11 is communicated with the bottom of the filtering tank 7; a two-position three-way valve 23 is arranged on a pipeline for communicating the circulating pump 11 with the filtering tank 7;
the circulating pump 11 is provided with a main water outlet pipe 12; a side pipe 14 is arranged on the main water outlet pipe 12; one end of the main water outlet pipe 12 is communicated with a second spray head 15; the side pipe 14 is communicated with the first spray head 9;
a first spray head 9 is arranged at the middle position of the top of the filtering tank 7; a second spray head 15 is arranged in the exhaust cavity 8; an exhaust pipe is arranged on one side of the exhaust cavity 8; the exhaust pipe is positioned above the second spray head 15; the bottom of the filter tank 7 is provided with an openable waste liquid discharge pipe 16;
the exhaust pipe is communicated with the air inlet of the spray filter 17; the air outlet of the spray filter 17 is provided with a third exhaust fan 18; the spray filter 17 has a drain 20 and an inlet 19.
In the application process: firstly, the collection of waste gas is realized through the gas-collecting hood 2; the waste gas is pumped into the channel above the partition board 3 from two sides above the electrolytic bath 1 by the first exhaust fan 4, and primary filtration is realized by the second air filter 5 in the channel, and the specific second air filter 5 adopts an activated carbon filter. Pumping the filtered waste gas into a filtering pool through a second exhaust fan 6, and adding a filtering solvent into the filtering pool; a two-position three-way valve 23 connected with the circulating pump 11 is connected with a filtering solvent supply pipe; and the two-position three-way valve 23 is rotated to communicate the filtered solvent feed pipe with the circulation pump 11, thereby realizing liquid feeding; after the liquid adding is finished, the knob two-position three-way valve 23 enables the filtering tank 7 to be communicated with the circulating pump 11, so that the recycling of the filtering solution is convenient to realize. Waste gas is discharged from the bottom of the filtering tank through the gas distribution device 10 and filtered by filtering liquid, the filtering tank 7 is also internally provided with a spray head, and filtering mist is formed in the filtering tank 7 through the spray head, so that the filtering effect on the waste gas is improved; then the water is discharged to a spray filter 17 through an exhaust pipe of the exhaust cavity for secondary filtration; and finally discharging.
To sum up, a tombarthite electrolysis trough waste gas recovery device, the collection and the purification treatment of waste gas of can being convenient for can improve the electrolysis environment, the environmental protection is pollution-free.
In order to adjust the spraying amount of the first spraying head 9 and the second spraying head 15, a first flow adjusting valve is further arranged on the side pipe 14; and a second flow regulating valve is arranged at one end of the main water outlet pipe 12 connected with the second spray head 15.
In order to ensure the balance of the air pressure outside the electrolytic cell 1, a vent pipe is further arranged at the bottom of the gas-collecting hood 2; an air filter 21 is arranged on the vent pipe.
Claims (3)
1. The utility model provides a tombarthite electrolysis trough waste gas recovery device which characterized in that: comprises a spray filter (17) and a gas-collecting hood (2) arranged outside an electrolytic bath (1); a clapboard (3) is arranged at the upper part of the gas-collecting hood (2); two ends of the partition plate (3) are respectively provided with a first exhaust fan (4);
a second exhaust fan (6) is arranged in the middle of the top of the gas-collecting hood (2); a channel is arranged between the clapboard (3) and the top of the gas-collecting hood (2); a second air filter (5) is arranged in the channel;
a filtering tank (7) is arranged on one side of the gas-collecting hood (2); a buffer cavity (13) is arranged on the filtering tank (7); an exhaust cavity (8) communicated with the filtering tank (7) is arranged above one end of the filtering tank (7);
the buffer cavity (13) is communicated with the second exhaust fan (6); an air distribution device (10) is arranged at the central position of the bottom of the filtering tank (7); the buffer cavity (13) is communicated with the gas distribution device (10) through a guide pipe (22);
a circulating pump (11) is arranged on one side of the filtering tank (7); the circulating pump (11) is communicated with the bottom of the filtering tank (7); a two-position three-way valve (23) is arranged on a pipeline for communicating the circulating pump (11) with the filtering tank (7);
the circulating pump (11) is provided with a main water outlet pipe (12); a side pipe (14) is arranged on the main water outlet pipe (12); one end of the main water outlet pipe (12) is communicated with a second spray head (15); the side pipe (14) is communicated with the first spray head (9);
a first spray head (9) is arranged in the middle of the top of the filtering tank (7); a second spray head (15) is arranged in the exhaust cavity (8); an exhaust pipe is arranged on one side of the exhaust cavity (8); the exhaust pipe is positioned above the second spray head (15); the bottom of the filter tank (7) is provided with a waste liquid discharge pipe (16) which can be opened and closed;
the exhaust pipe is communicated with an air inlet of the spray filter (17); an air outlet of the spray filter (17) is provided with a third exhaust fan (18); the spray filter (17) has a drain (20) and a liquid inlet (19).
2. The rare earth electrolysis cell exhaust gas recovery device according to claim 1, wherein: a first flow regulating valve is arranged on the side pipe (14); and a second flow regulating valve is arranged at one end of the main water outlet pipe (12) connected with the second spray head (15).
3. The rare earth electrolysis cell exhaust gas recovery device according to claim 2, wherein: a vent pipe is arranged at the bottom of the gas collecting hood (2); an air filter (21) is arranged on the vent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577274.4U CN213388928U (en) | 2020-08-03 | 2020-08-03 | Tombarthite electrolysis trough waste gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577274.4U CN213388928U (en) | 2020-08-03 | 2020-08-03 | Tombarthite electrolysis trough waste gas recovery device |
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| Publication Number | Publication Date |
|---|---|
| CN213388928U true CN213388928U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021577274.4U Active CN213388928U (en) | 2020-08-03 | 2020-08-03 | Tombarthite electrolysis trough waste gas recovery device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577959A (en) * | 2021-06-23 | 2021-11-02 | 内蒙古煌晟科技有限公司 | Rare earth metal electrolysis exhaust gas purification device |
| CN115074781A (en) * | 2022-06-21 | 2022-09-20 | 东北大学 | Bottom cathode rare earth electrolytic cell |
-
2020
- 2020-08-03 CN CN202021577274.4U patent/CN213388928U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577959A (en) * | 2021-06-23 | 2021-11-02 | 内蒙古煌晟科技有限公司 | Rare earth metal electrolysis exhaust gas purification device |
| CN115074781A (en) * | 2022-06-21 | 2022-09-20 | 东北大学 | Bottom cathode rare earth electrolytic cell |
| CN115074781B (en) * | 2022-06-21 | 2024-03-15 | 东北大学 | Bottom cathode rare earth electrolytic tank |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rare earth electrolytic cell waste gas recovery device Effective date of registration: 20220824 Granted publication date: 20210608 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: Chengdu bangruichuangda Technology Co.,Ltd. Registration number: Y2022980013140 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230607 Granted publication date: 20210608 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: Chengdu bangruichuangda Technology Co.,Ltd. Registration number: Y2022980013140 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rare earth electrolytic cell waste gas recovery device Effective date of registration: 20230614 Granted publication date: 20210608 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: Chengdu bangruichuangda Technology Co.,Ltd. Registration number: Y2023980043678 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |