CN215086111U - Tail gas absorption device - Google Patents
Tail gas absorption device Download PDFInfo
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- CN215086111U CN215086111U CN202120396379.8U CN202120396379U CN215086111U CN 215086111 U CN215086111 U CN 215086111U CN 202120396379 U CN202120396379 U CN 202120396379U CN 215086111 U CN215086111 U CN 215086111U
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- separator
- washing tower
- way pipe
- port
- tank
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Abstract
The application discloses the utility model discloses a tail gas absorbing device. Belong to exhaust-gas treatment technical field, the device can wholly handle the toxic gas of hydrogen fluoride and silicon tetrafluoride, and then generates the aqueous hydrogen fluoride that has industrial value, and simple structure, convenient to use. Comprises a three-way pipe, a washing tower, a separator, an alkali liquor circulating tank, a draught fan and a gas storage pipeline; the three-way pipe is connected to the top end of the washing tower, the alkali liquor circulating tank is connected to the bottom end of the washing tower, the separator is arranged on the right side of the washing tower and is communicated with the lower end of the washing tower, the gas storage pipeline is connected to the top end of the separator, and a draught fan is arranged between the gas storage pipeline and the separator.
Description
Technical Field
The utility model belongs to the technical field of the exhaust-gas treatment technique and specifically relates to a tail gas absorbing device.
Background
When lithium battery new materials such as lithium carbonate and the like are produced by a sulfuric acid method, the waste gas contains toxic gas of hydrogen fluoride and silicon tetrafluoride; the emission of the gas can be realized only after relevant treatment reaches the standard.
The prior art of treating fluorine-containing waste gas is to remove the fluorine-containing waste gas by absorption, adsorption and other methods. The fluorine-containing waste gas refers to gas containing hydrogen fluoride and silicon tetrafluoride and is mainly derived from industrial production processes. Not only the cost of treating the waste gas is high, but also the treatment effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve present exhaust-gas treatment and have above-mentioned not enough, provide one kind can the whole toxic gas who handles hydrogen fluoride and silicon tetrafluoride, and then generate the hydrous hydrogen fluoride that has industrial value, and simple structure, convenient to use's a tail gas absorbing device.
The technical problem is solved by the following technical scheme:
a tail gas absorption device comprises a three-way pipe, a washing tower, a separator, an alkali liquor circulating tank, a draught fan and a gas storage pipeline; the three-way pipe is connected to the top end of the washing tower, the alkali liquor circulating tank is connected to the bottom end of the washing tower, the separator is arranged on the right side of the washing tower and is communicated with the lower end of the washing tower, the gas storage pipeline is connected to the top end of the separator, and a draught fan is arranged between the gas storage pipeline and the separator.
As a further aspect of the present invention: the washing tower is provided with a waste inlet, a feed back port, an exhaust port and a liquid discharge port, the three-way pipe is connected to the top end of the washing tower through the waste inlet, the exhaust port is communicated and connected to the upper end of the separator, the feed back port is communicated and connected to the lower end of the separator, and the liquid discharge port is communicated and connected to the alkali liquor circulation tank.
As a further aspect of the present invention: an alkali liquor storage tank is arranged between the separator and the washing tower, the feed back port is communicated and connected with the alkali liquor storage tank, and the alkali liquor storage tank is communicated and connected with the bottom end of the separator.
As a further aspect of the present invention: and a circulating pump is arranged on the alkali liquor circulating tank, one end of the circulating pump is communicated and connected with the alkali liquor circulating tank, and the other end of the circulating pump is communicated and connected with the three-way pipe.
As a further aspect of the present invention: the three-way pipe is provided with a feeding port and a circulating material port, and the circulating pump is connected to the three-way pipe through the circulating material port.
The utility model discloses can reach following effect:
the utility model provides a tail gas absorbing device, compared with the prior art, the beneficial effects of the utility model are that: can integrally treat the toxic gas of hydrogen fluoride and silicon tetrafluoride, further generate aqueous hydrogen fluoride with industrial value, and has simple structure and convenient use.
Drawings
Fig. 1 is a schematic view of an overall structure of an exhaust gas absorption device according to an embodiment of the present invention.
The figures are numbered: the device comprises a three-way pipe 1, a washing tower 2, a separator 3, an alkali liquor circulating tank 4, a draught fan 5, a gas storage pipeline 6, a waste inlet 21, a feed back port 22, an exhaust port 23, a liquid discharge port 24, an alkali liquor storage tank 31, a circulating pump 41, a feeding port 11 and a circulating material port 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment, a tail gas absorption device is shown in fig. 1 and comprises a three-way pipe 1, a washing tower 2, a separator 3, an alkali liquor circulation tank 4, an induced draft fan 5 and a gas storage pipeline 6; the three-way pipe 1 is connected to the top end of the washing tower 2, the alkali liquor circulating tank 4 is connected to the bottom end of the washing tower 2, the separator 3 is arranged on the right side of the washing tower 2 and is communicated with the lower end of the washing tower 2, the gas storage pipeline 6 is connected to the top end of the separator 3, and a draught fan 5 is arranged between the gas storage pipeline 6 and the separator 3.
The washing tower 2 is provided with a waste inlet 21, a feed back port 22, an exhaust port 23 and a liquid discharge port 24, the three-way pipe 1 is connected to the top end of the washing tower 2 through the waste inlet 21, the exhaust port 23 is connected to the upper end of the separator 3 in a communicating manner, the feed back port 22 is connected to the lower end of the separator 3 in a communicating manner, and the liquid discharge port 24 is connected to the alkali liquor circulation tank 4 in a communicating manner.
And a circulating pump 41 is arranged on the alkali liquor circulating tank 4, one end of the circulating pump 41 is communicated and connected with the alkali liquor circulating tank 4, and the other end of the circulating pump 41 is communicated and connected with the three-way pipe 1. The three-way pipe 1 is provided with a feeding port 11 and a circulating material port 12, and the circulating pump 41 is connected to the three-way pipe 1 through the circulating material port 12.
The utility model discloses theory of operation of embodiment: waste gas enters the washing tower 2 from the three-way pipe 1, hydrogen fluoride and silicon tetrafluoride washed by the washing tower 2 enter the separator from the exhaust port, the separator 3 separates hydrogen fluoride and silicon tetrafluoride gas, hydrogen fluoride enters the gas storage pipeline under the action of the draught fan, and silicon tetrafluoride is prepared into fluosilicic acid which enters the alkali liquor storage tank 31 and enters the washing tower 2 through the material returning port 22.
In the embodiment, the medium in the washing tower 2 is mainly fluosilicic acid, the medium in the alkali liquor storage tank 31 is mainly fluosilicic acid, and the medium in the alkali liquor circulating tank 4 is mainly fluosilicic acid and coil brine.
The utility model provides a tail gas absorbing device can the whole toxic gas of handling hydrogen fluoride and silicon tetrafluoride, and then generates the aqueous hydrogen fluoride that has industrial value, and simple structure, convenient to use, the reliability is high.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A tail gas absorption device is characterized by comprising a three-way pipe, a washing tower, a separator, an alkali liquor circulating tank, a draught fan and a gas storage pipeline;
the three-way pipe is connected to the top end of the washing tower, the alkali liquor circulating tank is connected to the bottom end of the washing tower, the separator is arranged on the right side of the washing tower and is communicated with the lower end of the washing tower, the gas storage pipeline is connected to the top end of the separator, and a draught fan is arranged between the gas storage pipeline and the separator.
2. The tail gas absorption device according to claim 1, wherein the scrubbing tower is provided with a waste inlet, a feed back port, an exhaust port and a liquid discharge port, the three-way pipe is connected to the top end of the scrubbing tower through the waste inlet, the exhaust port is connected to the upper end of the separator in a communicating manner, the feed back port is connected to the lower end of the separator in a communicating manner, and the liquid discharge port is connected to the lye circulation tank in a communicating manner.
3. The tail gas absorbing device according to claim 2, wherein an alkali liquid storage tank is arranged between the separator and the washing tower, the feed back port is connected to the alkali liquid storage tank in a communicating manner, and the alkali liquid storage tank is connected to the bottom end of the separator in a communicating manner.
4. The tail gas absorption device according to claim 1, wherein a circulation pump is disposed on the lye circulation tank, one end of the circulation pump is connected to the lye circulation tank, and the other end of the circulation pump is connected to the three-way pipe.
5. The tail gas absorption device according to claim 4, wherein the three-way pipe is provided with a feeding port and a circulating port, and the circulating pump is connected to the three-way pipe through the circulating port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120396379.8U CN215086111U (en) | 2021-02-23 | 2021-02-23 | Tail gas absorption device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120396379.8U CN215086111U (en) | 2021-02-23 | 2021-02-23 | Tail gas absorption device |
Publications (1)
Publication Number | Publication Date |
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CN215086111U true CN215086111U (en) | 2021-12-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120396379.8U Active CN215086111U (en) | 2021-02-23 | 2021-02-23 | Tail gas absorption device |
Country Status (1)
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CN (1) | CN215086111U (en) |
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2021
- 2021-02-23 CN CN202120396379.8U patent/CN215086111U/en active Active
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