CN210021622U - Carbon dioxide desulfurization drying equipment - Google Patents
Carbon dioxide desulfurization drying equipment Download PDFInfo
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- CN210021622U CN210021622U CN201920643522.1U CN201920643522U CN210021622U CN 210021622 U CN210021622 U CN 210021622U CN 201920643522 U CN201920643522 U CN 201920643522U CN 210021622 U CN210021622 U CN 210021622U
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Abstract
The utility model belongs to the technical field of carbon dioxide sweetener technique and specifically relates to a carbon dioxide desulfurization drying equipment, it includes: the utility model discloses a set up detection device and monitor the tail gas after desulfurization adsorption tower A and desulfurization adsorption tower B desulfurization absorption, when detecting out unqualified desulfurization tail gas, at first adsorb the tail gas that does not reach standard alternately, realize the secondary desulfurization, avoid not reaching standard tail gas directly to get into in the rear end technology, then heat the adsorbent, make it release sulphide gas, further use chemistry neutralization method to remove sulphide, make sulphide can recycle, improve economic benefits; and the shutdown operation is not needed in the secondary desulfurization and the adsorbent regeneration process, so that the production continuity is ensured.
Description
Technical Field
The utility model belongs to the technical field of carbon dioxide sweetener technique and specifically relates to a carbon dioxide desulfurization drying equipment.
Background
A large amount of sulfides such as hydrogen sulfide, carbonyl sulfide, sulfur dioxide and carbon disulfide exist in the carbon dioxide tail gas, so that the sulfides in the sulfur-containing tail gas need to be removed to enable the concentration of the sulfides to be lower than 0.1ppm so as to obtain the high-purity carbon dioxide tail gas, and the removed sulfides are effectively treated, but the existing desulfurization device does not monitor the concentration of the sulfides in the desulfurized carbon dioxide tail gas and carry out secondary treatment on the carbon dioxide tail gas which does not reach the standard, and equipment does not stop in the treatment process of the tail gas which does not reach the standard, so that the high purity and continuous production in the carbon dioxide cannot be ensured.
Disclosure of Invention
The utility model provides a carbon dioxide tail gas after the desulfurization monitors, will not reach the desulfurized carbon dioxide desulfurization drying equipment of tail gas secondary of standard.
The technical scheme of the utility model is that: a carbon dioxide desulfurization drying apparatus comprising: the device comprises a compressor, a desulfurization adsorption tower, a detection device, a cooler, a desulfurization regeneration tower, a neutralization tank, a centrifugal machine and a solution tank, wherein the desulfurization adsorption tower consists of a desulfurization adsorption tower A and a desulfurization adsorption tower B, the gas outlet end of the compressor is respectively connected with the gas inlet ends of the desulfurization adsorption tower A and the desulfurization adsorption tower B through a gas guide pipe A and a gas guide pipe B, the top of the desulfurization adsorption tower A is provided with a gas outlet pipe A, the gas outlet pipe A is respectively connected with a gas circulation pipe A, a gas outlet branch pipe A and a pipeline for rear end process, the top of the desulfurization adsorption tower B is provided with a gas outlet pipe B, the gas outlet pipe B is respectively connected with a gas circulation pipe B, a gas outlet branch pipe B is connected with a gas guide pipe A, and the gas outlet branch pipe A and the gas outlet branch pipe B are both connected with the gas inlet pipe of the cooler, the end of giving vent to anger of cooler is connected through the inlet end of air duct C with the desulfurization regeneration tower, the play liquid end of desulfurization regeneration tower bottom is connected through the feed liquor end of pipeline with the neutralization groove, the play liquid end of neutralization groove is connected through the feed liquor end of pipeline with the solution tank, the play liquid end of solution tank is connected through the feed liquor end of solution circulating pipe with the desulfurization regeneration tower, there is detection device one side of desulfurization adsorption tower A and desulfurization adsorption tower B all through the support mounting, detection device includes: analysis case and sampling head, the analysis case passes through the exhaust tube and is connected with the sampling head, the sampling head is installed on outlet duct A and outlet duct B's lateral wall and in one end stretched into outlet duct A and outlet duct B, and detection device's structure details see the flue gas desulfurization back detection device that chinese patent discloses, the application number: 201820859424.7.
further, the desulfurization adsorption tower A and the desulfurization adsorption tower B are arranged in parallel.
Furthermore, adsorbents are filled in the desulfurization adsorption tower A and the desulfurization adsorption tower B and used for removing hydrogen sulfide, sulfur dioxide, carbonyl sulfide and carbon disulfide in carbon dioxide tail gas, the adsorbents are coconut shell activated carbon, the adsorbents are spherical particles, and the particle size of the adsorbents is 2-5 mm.
Further, all be provided with the coil pipe in desulfurization adsorption tower A and the desulfurization adsorption tower B, the coil pipe is the heliciform, the coil pipe is electric heating coil for adsorbent in giving the desulfurizing tower heats, thereby releases adsorbed sulphide, makes the adsorbent regeneration, realizes recycling.
Furthermore, a detergent is filled in the desulfurization regeneration tower, and the detergent is limestone slurry.
Furthermore, all be provided with the solenoid valve on air duct A, air duct B, outlet duct A, outlet duct B branch pipe A and the branch pipe B of giving vent to anger, all be provided with gas circulating pump on gas circulating pipe A and the gas circulating pipe B, all be provided with the circulating pump on the solution circulating pipe.
The utility model discloses a theory of operation and use:
after sulfur-containing carbon dioxide tail gas is subjected to sulfide removal through a desulfurization adsorption tower, the tail gas reaching the standard enters a rear-end process, when the tail gas works, whether an adsorbent in the desulfurization adsorption tower is saturated or not is monitored according to a detection device, when the detection device on the desulfurization adsorption tower A monitors that gas does not reach the standard, the adsorbent in the adsorption tower is judged to be saturated through adsorption, a gas circulating pump is started, electromagnetic valves of a gas outlet pipe A and a gas guide pipe A are closed, the gas in the desulfurization adsorption tower A is pumped into a desulfurization adsorption tower B through a gas circulating pipe A to perform secondary desulfurization on the gas, the gas is discharged after reaching the standard, then the electromagnetic valves of the gas guide pipe A and a gas outlet branch pipe A are started, meanwhile, a heating coil is started to heat the adsorbent, so that sulfide adsorbed in the adsorbent is released, the gas of the sulfide enters a cooler through the gas outlet branch pipe A, and the sulfide, the process is characterized in that the process is washed by washing liquid in upward operation, wherein partial sulfide is dissolved in the washing liquid and is led out from the bottom of the tower to a neutralization tank for reaction to generate solid calcium sulfate, then the calcium sulfate in the washing liquid is separated by a centrifugal machine, the separated washing liquid is conveyed to the top of a desulfurization regeneration tower by a circulating pump to be continuously sprayed, washed and desulfurized, the solid calcium sulfate can be packaged and sold, gas which reaches the emission standard after washing is directly discharged from the top of the desulfurization regeneration tower, after the regeneration of an adsorbent in the desulfurization adsorption tower A is finished, a coil pipe stops heating, corresponding electromagnetic valves are closed and opened, the desulfurization work is recovered, the regeneration process of the desulfurization adsorption tower B is consistent with that of the desulfurization adsorption tower A, only the opened and closed electromagnetic valves are different, when the adsorbent in the desulfurization adsorption tower A is regenerated, the desulfurization adsorption tower B works normally, and vice.
The utility model has the advantages that: the utility model discloses a set up detection device and monitor the tail gas after desulfurization absorption of desulfurization adsorption tower A and desulfurization adsorption tower B, when detecting out unqualified desulfurization tail gas, adsorb the tail gas that does not reach standard alternately at first, realize the secondary desulfurization, avoid the tail gas that does not reach standard to directly get into in the rear end technology, then heat the adsorbent, make it release sulphide gas, further use chemistry neutralization method to get rid of the sulphide again, make the sulphide can retrieve the cycle and use, improve economic benefits; and the shutdown operation is not needed in the secondary desulfurization and the adsorbent regeneration process, so that the production continuity is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a compressor; 2. a desulfurization adsorption tower; 3. a detection device; 4. a cooler; 5. a desulfurization regeneration tower; 6. a neutralization tank; 7. a centrifuge; 8. a solution tank; 9. an air duct A; 10. an air duct B; 11. an air outlet pipe A; 12. a gas circulation pipe A; 13. an air outlet branch pipe A; 14. an air outlet pipe B; 15. a gas circulation pipe B; 16. an air outlet branch pipe B; 17. a gas-guide tube C; 18. a solution circulation pipe; 19. a support; 20. a coil pipe; 21. an electromagnetic valve; 22. a circulation pump; 201. a desulfurization adsorption tower A; 202. a desulfurization adsorption tower B; 301. an analysis box; 302. a sampling head.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, a carbon dioxide desulfurization drying apparatus includes: the system comprises a compressor 1, a desulfurization adsorption tower 2, a detection device 3, a cooler 4, a desulfurization regeneration tower 5, a neutralization tank 6, a centrifuge 7 and a solution tank 8, wherein the desulfurization adsorption tower 2 consists of a desulfurization adsorption tower A201 and a desulfurization adsorption tower B202, the gas outlet end of the compressor 1 is respectively connected with the gas inlet ends of the desulfurization adsorption tower A201 and the desulfurization adsorption tower B202 through a gas guide pipe A9 and a gas guide pipe B10, the top of the desulfurization adsorption tower A201 is provided with a gas outlet pipe A11, the gas outlet pipe A11 is respectively connected with a gas circulation pipe A12, a gas outlet branch pipe A13 and a rear-end process pipeline, the top of the desulfurization adsorption tower B202 is provided with a gas outlet pipe B14, the gas outlet pipe B14 is respectively connected with a gas circulation pipe B15, a gas outlet branch pipe B16 and a rear-end process pipeline, the gas circulation pipe A12 is connected with the gas guide pipe B10, the gas circulation pipe B15 is connected with the gas guide pipe A9, the gas outlet branch pipe A13 and the, the end of giving vent to anger of cooler 4 is connected with the inlet end of desulfurization regenerator column 5 through air duct C17, the play liquid end of desulfurization regenerator column 5 bottom is connected with the feed liquor end of neutralization groove 6 through the pipeline, the play liquid end of neutralization groove 6 is connected with the feed liquor end of solution tank 8 through the pipeline, the play liquid end of solution tank 8 is connected with the feed liquor end of desulfurization regenerator column 5 through solution circulating pipe 18, detection device 3 is all installed through support 19 to the one side of desulfurization adsorption tower A201 and desulfurization adsorption tower B202, detection device 3 includes: the analysis box 301 is connected with the sampling head 302 through an exhaust pipe, and the sampling head 302 is arranged on the side walls of the air outlet pipe A11 and the air outlet pipe B14, and one end of the sampling head 302 extends into the air outlet pipe A11 and the air outlet pipe B14.
The desulfurization adsorption tower A201 and the desulfurization adsorption tower B202 are arranged in parallel.
And adsorbents are filled in the desulfurization adsorption tower A201 and the desulfurization adsorption tower B202, the adsorbents are spherical particles, and the particle size of the adsorbents is 5 mm.
All be provided with coil pipe 20 in desulfurization adsorption tower A201 and the desulfurization adsorption tower B202, coil pipe 20 is the heliciform, coil pipe 20 is electric heating coil.
And a detergent is filled in the desulfurization regeneration tower 5, and the detergent is limestone slurry.
The air guide pipe A9, the air guide pipe B10, the air outlet pipe A11, the air outlet pipe B14, the air outlet branch pipe A13 and the air outlet branch pipe B16 are respectively provided with an electromagnetic valve 21, the air circulation pipe A12 and the air circulation pipe B15 are respectively provided with an air circulation pump 22, and the solution circulation pipe 18 is respectively provided with a solution circulation pump 23.
The desulfurization adsorption tower in this embodiment is an activated carbon adsorption tower produced by the environmental protection technologies ltd, shogao, denayang.
The coil pipe in the embodiment adopts industrial electric heating coil pipes produced by Hongming stainless steel water tank factories in the Xingming city.
The cooler in this embodiment is a gas plate heat exchanger manufactured by guangzhou chen industrial equipment ltd.
The desulfurization regeneration tower in the embodiment adopts a wet alkali washing desulfurization tower produced by Hebei Huaqiang scientific and technological development limited company.
The neutralization tank in the embodiment adopts an acid-base neutralization tank produced by Jiangsu Shengtai anticorrosion equipment Co.
The solution tank in this example is a solution tank produced by glass fiber reinforced plastic, Inc., Guangji, Hebei.
The electromagnetic valve in the embodiment is an acid and alkali resistant electromagnetic valve produced by Kunshan city new herbal source industrial equipment limited company.
The gas circulation pump in this embodiment is a vacuum pump produced by Shanghai full-wind industries, Ltd.
The solution circulating pump in this embodiment is a corrosion-resistant pipeline pump manufactured by shanghai sun pump manufacturing ltd.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (6)
1. A carbon dioxide desulfurization drying equipment which characterized in that: the device comprises a compressor (1), a desulfurization adsorption tower (2), a detection device (3), a cooler (4), a desulfurization regeneration tower (5), a neutralization tank (6), a centrifuge (7) and a solution tank (8), wherein the desulfurization adsorption tower (2) consists of a desulfurization adsorption tower A (201) and a desulfurization adsorption tower B (202), the gas outlet end of the compressor (1) is connected with the gas inlet ends of the desulfurization adsorption tower A (201) and the desulfurization adsorption tower B (202) through a gas guide pipe A (9) and a gas guide pipe B (10) respectively, the top of the desulfurization adsorption tower A (201) is provided with a gas outlet pipe A (11), the gas outlet pipe A (11) is connected with a gas circulation pipe A (12), a gas outlet branch pipe A (13) and a rear-end process pipeline respectively, the top of the desulfurization adsorption tower B (202) is provided with a gas outlet pipe B (14), and the gas outlet pipe B (14) is connected with a gas circulation pipe B (15) respectively, Pipeline connection is used with rear end technology to branch pipe B (16) of giving vent to anger, gas circulation pipe A (12) are connected with air duct B (10), gas circulation pipe B (15) are connected with air duct A (9), branch pipe A (13) of giving vent to anger all with the intake-tube connection of cooler (4) with branch pipe B (16) of giving vent to anger, the end of giving vent to anger of cooler (4) is connected with the inlet end of desulfurization regenerator column (5) through air duct C (17), the play liquid end of desulfurization regenerator column (5) bottom is connected with the inlet end of neutralization groove (6) through the pipeline, the play liquid end of neutralization groove (6) is connected with the inlet end of solution groove (8) through the pipeline, the play liquid end of solution groove (8) is connected with the inlet end of desulfurization regenerator column (5) through solution circulation pipe (18), detection device (3) are all installed through support (19) to one side of desulfurization adsorption column A (201) and desulfurization adsorption column B (202), the detection device (3) comprises: analysis case (301) and sampling head (302), analysis case (301) are connected with sampling head (302) through the exhaust tube, sampling head (302) are installed on the lateral wall of outlet duct A (11) and outlet duct B (14) and one end stretches into in outlet duct A (11) and outlet duct B (14).
2. The carbon dioxide desulfurization drying apparatus according to claim 1, characterized in that: and the desulfurization adsorption tower A (201) and the desulfurization adsorption tower B (202) are arranged in parallel.
3. The carbon dioxide desulfurization drying apparatus according to claim 2, characterized in that: and adsorbents are filled in the desulfurization adsorption tower A (201) and the desulfurization adsorption tower B (202), wherein the adsorbents are spherical particles, and the particle size of the adsorbents is 2-5 mm.
4. The carbon dioxide desulfurization drying apparatus according to claim 3, characterized in that: all be provided with coil pipe (20) in desulfurization adsorption tower A (201) and desulfurization adsorption tower B (202), coil pipe (20) are the heliciform, coil pipe (20) are electric heating coil pipe.
5. The carbon dioxide desulfurization drying apparatus according to claim 4, characterized in that: and a detergent is filled in the desulfurization regeneration tower (5), and the detergent is limestone slurry.
6. The carbon dioxide desulfurization drying apparatus according to claim 5, characterized in that: all be provided with solenoid valve (21) on air duct A (9), air duct B (10), outlet duct A (11), outlet duct B (14), branch pipe A (13) and the branch pipe B (16) of giving vent to anger, be provided with gas circulating pump (22) on gas circulating pipe A (12) and gas circulating pipe B (15), all be provided with solution circulating pump (23) on solution circulating pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643522.1U CN210021622U (en) | 2019-05-03 | 2019-05-03 | Carbon dioxide desulfurization drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920643522.1U CN210021622U (en) | 2019-05-03 | 2019-05-03 | Carbon dioxide desulfurization drying equipment |
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| Publication Number | Publication Date |
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| CN210021622U true CN210021622U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920643522.1U Active CN210021622U (en) | 2019-05-03 | 2019-05-03 | Carbon dioxide desulfurization drying equipment |
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| CN (1) | CN210021622U (en) |
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