CN211393847U - Hydrogen chloride gas purifier - Google Patents
Hydrogen chloride gas purifier Download PDFInfo
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- CN211393847U CN211393847U CN201922202071.0U CN201922202071U CN211393847U CN 211393847 U CN211393847 U CN 211393847U CN 201922202071 U CN201922202071 U CN 201922202071U CN 211393847 U CN211393847 U CN 211393847U
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- oil separation
- hydrogen chloride
- air bag
- chloride gas
- tower
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Abstract
The utility model discloses a hydrogen chloride gas purification device, which comprises an oil separation tower internally provided with oil separation materials, wherein an air inlet of the oil separation tower is communicated with a first air bag for storing unpurified hydrogen chloride gas, an air outlet of the oil separation tower is communicated with a second air bag, and the air outlet of the second air bag is connected with a resin adsorption tower; a first flow regulating valve is arranged between the first air bag and the oil separation tower, and a second flow regulating valve is arranged between the second air bag and the resin adsorption tower. The utility model discloses the cost is low, moves simply, and is effectual.
Description
Technical Field
The utility model relates to a hydrogen chloride gas purification device.
Background
In recent years, with the development of large-scale production expansion of MDI, TDI and other chlorine-related products and the development of chlor-alkali industry, the yield of byproduct hydrochloric acid is continuously increased, the yield of byproduct hydrochloric acid is over 70 percent of the national yield of hydrochloric acid in 2017, and the annual yield is over 400 ten thousand tons. The problem of digestion and utilization of a large amount of byproduct hydrochloric acid becomes a common problem restricting the development of a plurality of industries such as chlor-alkali, polyurethane, pesticide, pharmaceutical chemicals and the like. Since 2015, under the background that the downstream pharmaceutical, papermaking and chemical industries are stopped and stopped due to the environmental protection pressure and the requirement of hydrochloric acid is wholly reduced, the problem of difficult treatment of byproduct hydrochloric acid is more and more obvious. The national emission requirement on industrial production is higher and higher, the chemical industry is in the important stage of transformation and upgrading, the most important is independent innovation of commonness, key and important technology, and the cyclic utilization of byproduct hydrochloric acid becomes the key of the development of the chemical industry in China. The purification of the byproduct hydrogen chloride at present mainly adopts a method of pressurized cooling purification and HCL rectification. The method has high energy consumption, expensive equipment and complex operation, and is not suitable for production of small and medium-sized enterprises.
Disclosure of Invention
An object of the utility model is to provide a hydrogen chloride gas purifier who moves simply, effectual.
The technical solution of the utility model is that:
a hydrogen chloride gas purification device is characterized in that: the device comprises an oil separation tower internally provided with an oil separation material, wherein an air inlet of the oil separation tower is communicated with a first air bag for storing unpurified hydrogen chloride gas, an air outlet of the oil separation tower is communicated with a second air bag, and the air outlet of the second air bag is connected with a resin adsorption tower; a first flow regulating valve is arranged between the first air bag and the oil separation tower, and a second flow regulating valve is arranged between the second air bag and the resin adsorption tower.
The resin is macroporous resin.
The utility model discloses the cost is low, moves simply, and is effectual.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
A hydrogen chloride gas purification apparatus comprises an oil separation column 1 filled with an oil separation material (e.g., a pervaporation membrane) capable of preventing the passage of organic components but allowing the passage of inorganic components. The gas inlet of the oil separation tower is communicated with a first gas bag 2 for storing unpurified hydrogen chloride gas, the gas outlet of the oil separation tower is communicated with a second gas bag 3, and the gas outlet of the second gas bag is connected with a resin adsorption tower 4; a first flow regulating valve 5 is arranged between the first air pocket and the oil separation tower, and a second flow regulating valve 6 is arranged between the second air pocket and the resin adsorption tower. The resin is macroporous resin.
The unpurified hydrogen chloride gas is stored in a first gas bag. And controlling the flow rate of the gas entering the oil separation tower by controlling the first flow regulating valve. And storing the treated gas into a second gas bag, and controlling the flow rate of the gas entering the resin adsorption tower by controlling a second flow regulating valve. The treated gas directly enters a water absorption tank or is used as hydrogen chloride compressed gas after water is removed.
The oil separation tower enables more than 98% of organic components in the hydrogen chloride gas to be intercepted by the oil separation material, and the accumulated organic components flow into the bottom receiving tank under the action of gravity. The resin adsorption tower further adsorbs organic matters in the hydrogen chloride, so that the content of the organic matters in the hydrogen chloride is lower than 20 ppm. The hydrogen chloride at the outlet can be used as compressed gas or absorbed by water to prepare analytically pure hydrochloric acid.
Claims (2)
1. A hydrogen chloride gas purification device is characterized in that: the device comprises an oil separation tower internally provided with an oil separation material, wherein an air inlet of the oil separation tower is communicated with a first air bag for storing unpurified hydrogen chloride gas, an air outlet of the oil separation tower is communicated with a second air bag, and the air outlet of the second air bag is connected with a resin adsorption tower; a first flow regulating valve is arranged between the first air bag and the oil separation tower, and a second flow regulating valve is arranged between the second air bag and the resin adsorption tower.
2. The hydrogen chloride gas purification apparatus according to claim 1, wherein: the resin is macroporous resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202071.0U CN211393847U (en) | 2019-12-11 | 2019-12-11 | Hydrogen chloride gas purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202071.0U CN211393847U (en) | 2019-12-11 | 2019-12-11 | Hydrogen chloride gas purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211393847U true CN211393847U (en) | 2020-09-01 |
Family
ID=72208364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922202071.0U Active CN211393847U (en) | 2019-12-11 | 2019-12-11 | Hydrogen chloride gas purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211393847U (en) |
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2019
- 2019-12-11 CN CN201922202071.0U patent/CN211393847U/en active Active
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