CN102921279A - Gas desulfurization tower with multi-layers of spraying structures - Google Patents
Gas desulfurization tower with multi-layers of spraying structures Download PDFInfo
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- CN102921279A CN102921279A CN2012104121504A CN201210412150A CN102921279A CN 102921279 A CN102921279 A CN 102921279A CN 2012104121504 A CN2012104121504 A CN 2012104121504A CN 201210412150 A CN201210412150 A CN 201210412150A CN 102921279 A CN102921279 A CN 102921279A
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- gas desulfurization
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- desulfurization tower
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Abstract
The invention discloses a gas desulfurization tower with multi-layers of spraying structures. The gas desulfurization tower comprises a drum (1), a lower liquid outlet (2), an intake pipe (3), a lower spraying layer (4), a water-receiving slot (5) fixed on the inner wall of the drum (1), an upper liquid outlet (6) located at the bottom of the water-receiving slot (5), a water baffle (7) supported on the water-receiving slot (5), an upper spraying layer (8), a demister (9) and an exit pipe (10), wherein the lower liquid outlet (2), the intake pipe (3) and the lower spraying layer (4) are sequentially arranged from the bottom to top of the drum (1); and the external diameter of the water baffle (7) is greater than the internal diameter of the water-receiving slot (5). Desulfurizing liquid in the middle of the tower is hardly mixed with desulfurizing base solution at the lower part of the tower via the multi-layers of spraying structures so that a set of gas desulfurization towers can simultaneously reach an ideal desulfurization state. The gas desulfurization tower with multi-layers of spraying structures disclosed by the invention has the advantages of small occupied area, simple structure and small rising resistance during the treatment of gas, so that the desulfurization efficiency is improved, no block of padding occurs, and both cleaning and changing processes are very convenient.
Description
Technical field
The present invention relates to a kind of coal gas desulfurization tower.
Background technology
According to the requirement of the laws and regulations such as the Law on Environmental Protection of the People's Republic of China, " The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution ", various sulfur-bearing coals are made the coal gas for burning, all need to remove the sulphur in the coal gas.Sulphur in the coal gas is deviate from two kinds in hydrogen sulfide before can being divided into the sulfur dioxide deviate from after the burning and burning, because of the burning after exhaust gas volumn more, complex treatment process, coal gas desulfurization adopts the method for deviating from sulfur dioxide before the burning mostly at present, the equipment that this method adopts now normally gets up the device combinations such as eddy flow tower, packed tower or gas-liquid separation tower, the occupation area of equipment of this combining structure is large, the resistance that coal gas is subject to during processing is also larger, filler easily stops up, and cleaned and changed all very difficult.
Summary of the invention
For above-mentioned deficiency, the invention provides that a kind of easy cleaning is changed, floor space is little, the coal gas desulfurization tower with the Multi-layer sprinkling structure that filler stops up can not occur.
The present invention realizes by such technical scheme: with the coal gas desulfurization tower of Multi-layer sprinkling structure, lower leakage fluid dram, air inlet pipe, the lower spraying layer that comprises cylindrical shell, upwards sets gradually from cylinder body bottom, be fixed on the water receiving tank on the cylinder inboard wall and be positioned at the water receiving tank bottom upper leakage fluid dram, be supported on the water fender on the water receiving tank, upper spraying layer, demister and escape pipe, wherein, the external diameter of water fender is greater than the internal diameter of water receiving tank.
Described water fender is obliquely installed from inside to outside, flow to the water receiving tank smoothly thereby can make from upper spraying layer doctor solution out.
Described water receiving tank is welded on the inwall of cylindrical shell, and the base plate of water receiving tank tilts from inside to outside, so that above-mentioned doctor solution is more successfully discharged from leakage fluid dram.
Further be, be provided with the shower nozzle that liquid at the bottom of doctor solution or the desulfurization is atomized into droplet on described upper spraying layer and the lower spraying layer, the liquid-drop diameter of liquid after this shower nozzle atomizing is 0.01 to 0.5 millimeter at the bottom of doctor solution or the desulfurization, thereby with liquid atomizing at the bottom of doctor solution or the desulfurization, make itself and coal gas carry out better heat and mass transfer better; It is worth mentioning that, upper spraying layer and lower spraying layer all can be arranged to one or more layers.
Diameter at the bottom of the doctor solution between 0.2 to 0.3 millimeter or desulfurization the liquid quality greater than to 90% of drop gross mass.
Described demister is detachable piece formula combining structure, thereby can take out from hand-hole easily.
Owing to having adopted said structure, beneficial effect of the present invention is as follows: liquid fully mixes mutually at the bottom of the doctor solution in the middle part of the Multi-layer sprinkling structure makes in the tower and the desulfurization of bottom, during the lower spraying layer of coal gas process, liquid and coal gas carry out conducting heat and mass transfer the first time at the bottom of the desulfurization after the atomizing, remove most of sulfur dioxide in the coal gas, when coal gas passed through spraying layer again, the doctor solution after the atomizing conducted heat with it and mass transfer again, makes desulfurization more thorough; And, the used doctor solution of upper spraying layer is after water fender is collected, flow into the bottom of water receiving tank and discharge from upper leakage fluid dram, liquid is discharged through the lower leakage fluid dram that is positioned at cylinder body bottom at the bottom of the used desulfurization of lower spraying layer, therefore, use this coal gas desulfurization of cover tower can reach simultaneously comparatively desirable desulfurization state, its floor space is little, structure is comparatively simple, resistance that coal gas rises in processing procedure is less, thereby raising desulfuration efficiency, filler can not occur stop up, cleaning and replacing are all very convenient.
Description of drawings
Fig. 1 is the coal gas desulfurization tower structure sketch of Multi-layer sprinkling structure among this case embodiment.
The specific embodiment
In order more to be expressly understood purpose of the present invention, technical scheme and beneficial effect, the present invention is described further below in conjunction with accompanying drawing, but protection scope of the present invention is not limited in following examples.
As shown in Figure 1, coal gas desulfurization tower with the Multi-layer sprinkling structure, comprise cylindrical shell 1, the lower leakage fluid dram 2 that upwards sets gradually from cylindrical shell 1 bottom, air inlet pipe 3, lower spraying layer 4, be fixed on the water receiving tank 5 on cylindrical shell 1 inwall and be positioned at water receiving tank 5 bottoms upper leakage fluid dram 6, be supported on water fender 7, upper spraying layer 8, demister 9 and escape pipe 10 on the water receiving tank 5, wherein, the external diameter of water fender 7 is greater than the internal diameter of water receiving tank 5; Described water fender 7 is obliquely installed from inside to outside; Described water receiving tank 5 is welded on the inwall of cylindrical shell 1, and the base plate of water receiving tank 5 tilts from inside to outside; Be provided with the shower nozzle that liquid at the bottom of doctor solution or the desulfurization is atomized into droplet on described upper spraying layer 8 and the lower spraying layer 4, the liquid-drop diameter of liquid after this shower nozzle atomizing is 0.01 to 0.5 millimeter at the bottom of doctor solution or the desulfurization; Diameter at the bottom of the doctor solution between 0.2 to 0.3 millimeter or desulfurization the liquid quality greater than to 90% of drop gross mass; Described demister 9 is detachable piece formula combining structure.
As shown by arrows in FIG., coal gas enters from the air inlet pipe 3 of cylindrical shell 1 bottom, down pass into liquid at the bottom of the desulfurization in the spraying layer 4, shower nozzle in the lower spraying layer 4 makes it be atomized into droplet, thereby carry out conducting heat and mass transfer the first time with coal gas, remove the most of sulfur dioxide in the coal gas, liquid collects in lower leakage fluid dram 2 and the discharge of cylindrical shell 1 bottom at the bottom of the desulfurization after the use; Coal gas continues to rise under the gas pressure effect, by the gap between water receiving tank 5 and the water fender 7, conduct heat and mass transfer again with by the doctor solution that sprays after spraying layer 8 atomizings, remove remaining sulfur dioxide in the coal gas, doctor solution after the use is after water fender 7 is collected, from the marginal flow of water fender 7 to water receiving tank 5, discharged by the upper leakage fluid dram 6 that is positioned at water receiving tank 5 bottoms again, the fit structure of this water fender 7 and water receiving tank 5, liquid separates fully at the bottom of making above-mentioned doctor solution and desulfurization, further improves the efficient of desulfurization.
Claims (6)
1. with the coal gas desulfurization tower of Multi-layer sprinkling structure, it is characterized in that: lower leakage fluid dram (2), air inlet pipe (3), the lower spraying layer (4) that comprises cylindrical shell (1), upwards sets gradually from cylindrical shell (1) bottom, be fixed on the water receiving tank (5) on cylindrical shell (1) inwall and be positioned at upper leakage fluid dram (6) bottom the water receiving tank (5), be supported on the water fender (7) on the water receiving tank (5), upper spraying layer (8), demister (9) and escape pipe (10), wherein, the external diameter of water fender (7) is greater than the internal diameter of water receiving tank (5).
2. coal gas desulfurization tower as claimed in claim 1, it is characterized in that: described water fender (7) is obliquely installed from inside to outside.
3. coal gas desulfurization tower as claimed in claim 1, it is characterized in that: described water receiving tank (5) is welded on the inwall of cylindrical shell (1), and the base plate of water receiving tank (5) tilts from inside to outside.
4. such as each described coal gas desulfurization tower of claims 1 to 3, it is characterized in that: be provided with the shower nozzle that liquid at the bottom of doctor solution or the desulfurization is atomized into droplet on described upper spraying layer (8) and the lower spraying layer (4), the liquid-drop diameter of liquid after this shower nozzle atomizing is 0.01 to 0.5 millimeter at the bottom of doctor solution or the desulfurization.
5. coal gas desulfurization tower as claimed in claim 4 is characterized in that: diameter at the bottom of the doctor solution between 0.2 to 0.3 millimeter or desulfurization the liquid quality greater than to 90% of drop gross mass.
6. coal gas desulfurization tower as claimed in claim 5 is characterized in that: described demister (9) is detachable piece formula combining structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210412150.4A CN102921279B (en) | 2012-10-25 | 2012-10-25 | Gas desulfurization tower with multi-layers of spraying structures |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210412150.4A CN102921279B (en) | 2012-10-25 | 2012-10-25 | Gas desulfurization tower with multi-layers of spraying structures |
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| CN102921279A true CN102921279A (en) | 2013-02-13 |
| CN102921279B CN102921279B (en) | 2015-01-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762110A (en) * | 2015-03-15 | 2015-07-08 | 辽宁圣赫机械制造成套设备有限公司 | Coking gas desulfuration-regeneration integrated column having multilayer spray structure |
| CN108579376A (en) * | 2017-12-19 | 2018-09-28 | 潍坊友容实业有限公司 | Anticorrosion flue gas desulfurization heat-exchange system suitable for salt-soda soil |
| CN110094880A (en) * | 2019-06-03 | 2019-08-06 | 陕西北方人居环境科技有限公司 | Natural gas condensing boiler flue gas sprays heat recovery system |
| CN110652859A (en) * | 2019-11-08 | 2020-01-07 | 赛郎特容器科技(苏州)有限公司 | Electronic grade special gas neutralizing and washing tower |
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| CN1419953A (en) * | 2001-11-21 | 2003-05-28 | 上海电力学院 | Multi-stage liquid curtain spray washing flue gas desulfurizing deivce |
| CN201949805U (en) * | 2010-12-31 | 2011-08-31 | 西安科源环保设备工程有限公司 | Independent water distribution type dedusting desulfurizer |
| US20120195816A1 (en) * | 2011-02-01 | 2012-08-02 | Sanjay Kumar Dube | Gas treatment process and system |
| CN202410439U (en) * | 2012-02-10 | 2012-09-05 | 安徽金森源环保工程有限公司 | Dust-removing and desulfurization combined tower |
| CN202962251U (en) * | 2012-10-25 | 2013-06-05 | 四川皇龙环保科技有限公司 | Coal gas desulfurization tower with multi-layer spray structure |
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2012
- 2012-10-25 CN CN201210412150.4A patent/CN102921279B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419953A (en) * | 2001-11-21 | 2003-05-28 | 上海电力学院 | Multi-stage liquid curtain spray washing flue gas desulfurizing deivce |
| CN201949805U (en) * | 2010-12-31 | 2011-08-31 | 西安科源环保设备工程有限公司 | Independent water distribution type dedusting desulfurizer |
| US20120195816A1 (en) * | 2011-02-01 | 2012-08-02 | Sanjay Kumar Dube | Gas treatment process and system |
| CN202410439U (en) * | 2012-02-10 | 2012-09-05 | 安徽金森源环保工程有限公司 | Dust-removing and desulfurization combined tower |
| CN202962251U (en) * | 2012-10-25 | 2013-06-05 | 四川皇龙环保科技有限公司 | Coal gas desulfurization tower with multi-layer spray structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762110A (en) * | 2015-03-15 | 2015-07-08 | 辽宁圣赫机械制造成套设备有限公司 | Coking gas desulfuration-regeneration integrated column having multilayer spray structure |
| CN108579376A (en) * | 2017-12-19 | 2018-09-28 | 潍坊友容实业有限公司 | Anticorrosion flue gas desulfurization heat-exchange system suitable for salt-soda soil |
| CN110094880A (en) * | 2019-06-03 | 2019-08-06 | 陕西北方人居环境科技有限公司 | Natural gas condensing boiler flue gas sprays heat recovery system |
| CN110652859A (en) * | 2019-11-08 | 2020-01-07 | 赛郎特容器科技(苏州)有限公司 | Electronic grade special gas neutralizing and washing tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102921279B (en) | 2015-01-28 |
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