CN112569716A - 40000-ton desulfurization device for self-discharging ship - Google Patents
40000-ton desulfurization device for self-discharging ship Download PDFInfo
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- CN112569716A CN112569716A CN202011228984.0A CN202011228984A CN112569716A CN 112569716 A CN112569716 A CN 112569716A CN 202011228984 A CN202011228984 A CN 202011228984A CN 112569716 A CN112569716 A CN 112569716A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/346—Controlling the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
Abstract
The invention discloses a 40000-ton self-discharging marine desulfurization device which comprises a desulfurization tower, wherein a gas inlet is formed in the desulfurization tower, a circulating unit is further arranged on the desulfurization tower, a cooling unit is arranged outside the desulfurization tower, the desulfurization tower comprises a tower wall, at least one spray pipe is arranged at the top of the tower wall, and a neutralization layer is arranged at the bottom of the tower wall. This 40000 ton self-discharging marine desulphurization unit through the cooling unit, can be in lower level for the temperature of flue gas in desulfurizing tower and the tower, promotes oxysulfide's solubility. Through the circulation unit, can supply alkali lye for the neutralization layer to with the intraformational alkaline liquid of neutralization suction shower again, promote oxysulfide's purification efficiency. Through the filter unit, solid particles in the neutralization layer can be effectively removed, and the solid particles are prevented from blocking pipelines and causing pump damage excessively. The cooperation of inside shower of desulfurizing tower and guide board for the distance that the flue gas removed increases, thereby increases the clean time of flue gas, promotes the purification efficiency of flue gas.
Description
Technical Field
The invention relates to the field of ships, in particular to a 40000-ton desulfurization device for a self-discharging ship.
Background
Along with the improvement of awareness of people on environmental protection, the emission requirements of ship navigation are increasingly strict: the sulfur oxide emission amount generated by sailing needs to be less than or equal to 0.5 percent of the sulfur content of the flue gas sulfur oxide content discharged when low-sulfur oil with sulfur content is combusted, and heavy fuel oil with high sulfur content is generally used by ocean-going ships such as 40000 tons of self-discharging ships in order to save cost, so that increasingly strict emission requirements cannot be met.
Therefore, it is necessary to provide a new 40000 ton desulfurization apparatus for dump ships to solve the above problems.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a 40000 ton self-unloading marine desulfurization device which can effectively remove sulfur oxides and solid particles in flue gas, neutralize sulfur oxide wastewater and perform harmless treatment.
In order to achieve the purpose, the invention provides a 40000-ton self-discharging marine desulfurization device which comprises a desulfurization tower, wherein an air inlet is formed in the desulfurization tower, a circulation unit is further arranged on the desulfurization tower, a cooling unit is arranged outside the desulfurization tower, the desulfurization tower comprises a tower wall, at least one spray pipe is arranged at the top of the tower wall, and a neutralization layer is arranged at the bottom of the tower wall.
Further preferred technical scheme is, the cooling unit includes the cooling cover, and the bottom intercommunication of cooling cover has the inlet tube, and the top intercommunication of cooling cover has the outlet pipe, and the valve is passed through at the top of cooling cover and the inside intercommunication of desulfurizing tower.
Further preferred technical scheme is, the desulfurizing tower below is equipped with the filter unit, and the filter unit includes the filter chamber, is equipped with the filter screen that the slope set up in the filter chamber, and filter chamber intercommunication desulfurizing tower and circulation pipeline, filter chamber one side and inlet tube intercommunication, the filter chamber opposite side intercommunication has the waste liquid pipe. Electromagnetic valves are arranged on two sides of the filtering chamber.
The technical scheme is that the circulating pipeline comprises at least one liquid inlet pipe communicated with the spray pipe, a liquid inlet three-way valve is arranged on the liquid inlet pipe, the liquid inlet pipe is communicated with the alkaline liquid tank through the liquid inlet three-way valve, the liquid inlet three-way valve is communicated with the liquid discharge three-way valve, the other two ends of the liquid discharge three-way valve are respectively connected with a waste discharge pipe and a pump, and the pump is communicated with the filter chamber.
Further preferred technical scheme is that at least two atomizing nozzles are connected below the spray pipe.
The further preferred technical scheme is that the neutralization layer comprises alkali liquor, the bottom of the neutralization layer is provided with a pH sensor, and the top of the neutralization layer is provided with a liquid level sensor.
Further preferably, at least one stirring paddle is arranged in the neutralization layer.
Further preferred technical scheme is, crisscross guide board that is provided with on the tower wall, be equipped with the inclined plane on the top of guide board.
Further preferably, the guide plate and the tower wall are coated with high-temperature-resistant and corrosion-resistant coatings. The high-temperature-resistant and corrosion-resistant coating comprises silicon carbide and polytetrafluoroethylene.
The controller is electrically connected with the pH sensor, the liquid level sensor, the electromagnetic valve, the liquid inlet three-way valve and the liquid discharge three-way valve.
The invention has the advantages and beneficial effects that:
1. through the cooling unit, can be in lower level for the temperature of flue gas in desulfurizing tower and the tower, promote oxysulfide's solubility.
2. Through the circulation unit, can supply alkali lye for the neutralization layer to with the intraformational alkaline liquid of neutralization suction shower again, promote oxysulfide's purification efficiency.
3. Through the filter unit, solid particles in the neutralization layer can be effectively removed, and the solid particles are prevented from blocking pipelines and causing pump damage excessively.
4. The cooperation of inside shower of desulfurizing tower and guide board for the distance that the flue gas removed increases, thereby increases the clean time of flue gas, promotes the purification efficiency of flue gas.
Drawings
FIG. 1 is a schematic structural view of a 40000 ton desulfurization apparatus for a dump vessel according to the present invention;
FIG. 2 is a schematic structural view of a desulfurizing tower of a 40000-ton self-discharging marine desulfurizing device according to the present invention;
FIG. 3 is a schematic structural view of a filter unit of the 40000 ton self-dumping ship desulfurization apparatus according to the present invention;
in the figure: 1. the desulfurization tower comprises a desulfurization tower body, 11 parts of a tower wall, 12 parts of a cooling sleeve, 13 parts of a spray pipe, 14 parts of a guide plate, 15 parts of a stirring paddle, 16 parts of a liquid level sensor, 17 parts of a pH sensor, 18 parts of a valve, 2 parts of an air inlet, 3 parts of an water inlet pipe, 4 parts of a water outlet pipe, 5 parts of a liquid inlet pipe, 61 parts of a liquid inlet three-way valve, 62 parts of a liquid discharge three-way valve, 7 parts of an alkaline liquid tank, 8 parts of a filtering unit, 81 parts of a filtering chamber, 82 parts of a filtering screen, 83 parts of a waste liquid.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, a 40000-ton self-discharging desulfurization device for ships comprises a desulfurization tower 1, wherein a gas inlet 2 is arranged on the desulfurization tower 1, a circulation unit is further arranged on the desulfurization tower 1, a cooling unit is arranged outside the desulfurization tower 1, the desulfurization tower 1 comprises a tower wall 11, at least one spray pipe 13 is arranged at the top of the tower wall 11, and a neutralization layer is arranged at the bottom of the tower wall 11.
Further preferred technical scheme is, the cooling unit includes cooling cover 12, and the bottom intercommunication of cooling cover 12 has inlet tube 3, and the top intercommunication of cooling cover 12 has outlet pipe 4, and the top of cooling cover 12 is passed through valve 18 and is communicated with desulfurizing tower 1 is inside.
As shown in fig. 3, a filtering unit 8 is arranged below the desulfurizing tower 1, the filtering unit 8 includes a filtering chamber 81, a filtering net 82 is obliquely arranged in the filtering chamber 81, the filtering chamber 81 is communicated with the desulfurizing tower 1 and the circulation pipeline, one side of the filtering chamber 81 is communicated with the water inlet pipe 3, and the other side of the filtering chamber 81 is communicated with the waste liquid pipe 83. Electromagnetic valves are arranged on two sides of the filtering chamber 81. When the solid particles on the filter screen 82 are excessive, the electromagnetic valve is opened, water enters from the water inlet pipe 3, the solid particles on the filter screen 82 are washed away from the waste liquid pipe 83, and the regeneration of the filter screen 82 is realized.
Further preferred technical scheme is, circulation pipeline includes at least one feed liquor pipe 5 with shower 13 intercommunication, is equipped with liquid inlet three-way valve 61 on the feed liquor pipe 5, and feed liquor pipe 5 passes through liquid inlet three-way valve 61 and communicates with lye tank 7, and liquid inlet three-way valve 61 communicates with flowing back three-way valve 62, and the other both ends of flowing back three-way valve 62 are connected with waste discharge pipe 10 and pump 9 respectively, and pump 9 communicates with filter chamber 81.
Further preferred technical scheme is that at least two atomizing nozzles are connected below the spray pipe 13.
Further preferred technical scheme is that the neutralization layer comprises alkali liquor, the bottom of the neutralization layer is provided with a pH sensor 17, and the top of the neutralization layer is provided with a liquid level sensor 16.
The pH sensor 17 detects the pH value of the neutralization layer, whether alkali liquor needs to be supplemented from the alkali liquor tank 7 is determined, the liquid level sensor 16 detects the liquid level height of the neutralization layer, when the liquid level height is low, the controller control valve 18 is opened, so that water in the cooling jacket enters the desulfurizing tower 1, or the electromagnetic valve is opened, so that water in the water inlet pipe 3 enters the circulating pipeline through the filtering unit 8.
Further preferably, at least one stirring paddle 15 is arranged in the neutralization layer.
Further preferably, the tower wall 11 is provided with guide plates 14 in a staggered manner, and the tops of the guide plates 14 are provided with inclined surfaces.
Further preferably, the guide plate 14 and the tower wall 11 are coated with high temperature and corrosion resistant coatings. The high-temperature-resistant and corrosion-resistant coating comprises silicon carbide and polytetrafluoroethylene.
The controller is electrically connected with the pH sensor 17, the liquid level sensor 16, the electromagnetic valve, the valve 18, the liquid inlet three-way valve 61 and the liquid discharge three-way valve 62.
The working principle of the 40000-ton desulfurization device for the self-discharging ship is as follows: flue gas enters the desulfurizing tower 1 from the air inlet 2 and moves along a flow passage separated by the guide plate 14, at the moment, the spray pipe 13 sprays seawater added with alkali liquor, the flue gas is discharged after being desulfurized and dedusted by the seawater, cold seawater is introduced into the water inlet pipe 3, the temperature of the desulfurizing tower 1 is not overhigh, the absorption efficiency of sulfur oxide is ensured, the seawater absorbing the sulfur oxide flows into a neutralization layer at the bottom of the desulfurizing tower 1, the stirring paddle works to fully neutralize the alkali liquor and the sulfur oxide and simultaneously mix dust in the neutralization water, then the neutralization water is recycled after passing through the filtering unit by the pump 9, when the solid particles on the filtering net 82 are excessive, the electromagnetic valve is opened, water enters from the water inlet pipe 3 to flush the solid particles on the filtering net 82 away from the waste liquid pipe 83, the regeneration of the filtering net 82 is realized, the pH value of the neutralization layer is detected by the pH sensor 17, whether the alkali liquor needs to be supplemented from the alkali liquor tank, the liquid level sensor 16 detects the liquid level height of the neutralization layer, and when the liquid level height is lower, the controller control valve 18 is opened, so that the water in the cooling jacket enters the desulfurizing tower 1, or the electromagnetic valve is opened, so that the water in the water inlet pipe 3 enters the circulating pipeline through the filtering unit 8.
This 40000 ton desulfurization device for self-discharging ship's advantage and beneficial effect lie in:
1. through the cooling unit, can be in lower level for the temperature of desulfurizing tower 1 and interior flue gas of tower, promote oxysulfide's solubility.
2. Through the circulation unit, alkali liquor can be supplemented for the neutralization layer, and alkaline liquid in the neutralization layer is pumped into the spray pipe 13 again, so that the purification efficiency of sulfur oxides is improved.
3. Through the filter unit 8, solid particles in the neutralization layer can be effectively removed, and the solid particles are prevented from blocking pipelines and damaging the pump 9 too much.
4. The cooperation of the spray pipe 13 and the guide plate 14 inside the desulfurizing tower 1 increases the distance that the flue gas moves, thereby increasing the purifying time of the flue gas and improving the purifying efficiency of the flue gas.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a 40000 ton self-discharging marine desulphurization unit, its characterized in that includes the desulfurizing tower, is equipped with the air inlet on the desulfurizing tower, still is equipped with the circulation unit on the desulfurizing tower, and the desulfurizing tower outside is equipped with the cooling unit, the desulfurizing tower includes the tower wall, and tower wall top is equipped with at least one shower, and tower wall bottom is the neutralization layer.
2. The 40000-ton self-discharging marine desulfurization device of claim 1, wherein the cooling unit comprises a cooling jacket, the bottom of the cooling jacket is communicated with a water inlet pipe, the top of the cooling jacket is communicated with a water outlet pipe, and the top of the cooling jacket is communicated with the inside of the desulfurization tower through a valve.
3. A 40000 ton self-discharging marine desulfurization device as recited in claim 1, wherein said desulfurization tower is provided with a filtering unit under, said filtering unit comprises a filtering chamber, a filtering screen is obliquely arranged in said filtering chamber, said filtering chamber is connected to said desulfurization tower and said circulating pipeline, one side of said filtering chamber is connected to said water inlet pipe, and the other side of said filtering chamber is connected to said waste liquid pipe.
4. A 40000 ton self-discharging marine desulfurization device, according to claim 3, wherein said circulation pipeline comprises at least one liquid inlet pipe connected to said spray pipe, said liquid inlet pipe is provided with a liquid inlet three-way valve, said liquid inlet pipe is connected to said alkaline liquid tank through said liquid inlet three-way valve, said liquid inlet three-way valve is connected to said liquid outlet three-way valve, said liquid outlet three-way valve is connected to a waste discharge pipe and a pump at the other two ends of said liquid outlet three-way valve, said pump is connected to said filter chamber.
5. The desulfurization device of claim 1, wherein at least two atomizing nozzles are connected below said spray pipe.
6. The desulfurization device for a 40000 ton self-discharging ship as recited in claim 1, wherein said neutralization layer comprises lye, a pH sensor is disposed at the bottom of the neutralization layer, and a liquid level sensor is disposed at the top of the neutralization layer.
7. The desulfurization unit of claim 5, wherein at least one paddle is disposed in said neutralization layer.
8. The 40000-ton desulfurization device for self-discharging ships according to claim 1, wherein the tower wall is provided with guide plates in a staggered manner, and the tops of the guide plates are provided with inclined surfaces.
9. The desulfurization device for the 40000-ton self-discharging ship as recited in claim 8, wherein the guide plate and the tower wall are coated with a high-temperature-resistant and corrosion-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228984.0A CN112569716A (en) | 2020-11-06 | 2020-11-06 | 40000-ton desulfurization device for self-discharging ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228984.0A CN112569716A (en) | 2020-11-06 | 2020-11-06 | 40000-ton desulfurization device for self-discharging ship |
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| Publication Number | Publication Date |
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| CN112569716A true CN112569716A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011228984.0A Pending CN112569716A (en) | 2020-11-06 | 2020-11-06 | 40000-ton desulfurization device for self-discharging ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116943350A (en) * | 2023-07-24 | 2023-10-27 | 江苏国强环保集团有限公司 | Dry desulfurization system for treating low-temperature flue gas and process thereof |
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| WO2017096692A1 (en) * | 2015-12-09 | 2017-06-15 | 深圳广昌达环境科学有限公司 | Fuel gas denitration and desulfurization washing system and denitration and desulfurization method |
| CN208166896U (en) * | 2018-03-13 | 2018-11-30 | 南通回力橡胶有限公司 | A kind of reclaimed rubber desulfurized vacuum pumping acquisition means |
| CN211487165U (en) * | 2020-01-06 | 2020-09-15 | 成都市彭州铭众化工有限公司 | A waste gas spray column for production of leather chemical product |
| CN211612244U (en) * | 2020-01-16 | 2020-10-02 | 山东三和维信生物科技有限公司 | Boiler flue gas desulfurization device |
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2020
- 2020-11-06 CN CN202011228984.0A patent/CN112569716A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017096692A1 (en) * | 2015-12-09 | 2017-06-15 | 深圳广昌达环境科学有限公司 | Fuel gas denitration and desulfurization washing system and denitration and desulfurization method |
| CN208166896U (en) * | 2018-03-13 | 2018-11-30 | 南通回力橡胶有限公司 | A kind of reclaimed rubber desulfurized vacuum pumping acquisition means |
| CN211487165U (en) * | 2020-01-06 | 2020-09-15 | 成都市彭州铭众化工有限公司 | A waste gas spray column for production of leather chemical product |
| CN211612244U (en) * | 2020-01-16 | 2020-10-02 | 山东三和维信生物科技有限公司 | Boiler flue gas desulfurization device |
Non-Patent Citations (1)
| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116943350A (en) * | 2023-07-24 | 2023-10-27 | 江苏国强环保集团有限公司 | Dry desulfurization system for treating low-temperature flue gas and process thereof |
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