CN204529773U - The spray structure of coke gas desulfurization regeneration integrated tower - Google Patents
The spray structure of coke gas desulfurization regeneration integrated tower Download PDFInfo
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- CN204529773U CN204529773U CN201520144012.1U CN201520144012U CN204529773U CN 204529773 U CN204529773 U CN 204529773U CN 201520144012 U CN201520144012 U CN 201520144012U CN 204529773 U CN204529773 U CN 204529773U
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Abstract
The spray structure of the utility model coke gas desulfurization regeneration integrated tower, comprise spray structure sluicing pipe, desulfurization lean solution upper inlet and spray structure, lower spray structure sluicing pipe, desulfurization lean solution lower inlet and spray structure, high-pressure atomization shower nozzle, shower nozzle arm, supporting cup, back up pad, supporting beam, on this spray structure adopts, lower two-layer compound spray structure, in desulfurization regeneration tower desulfurization unit, set gradually as upper spray structure sluicing pipe from top to bottom, desulfurization lean solution upper inlet and spray structure, lower spray structure sluicing pipe, desulfurization lean solution lower inlet and spray structure.Because adopt, the upper position of desulfurization unit and medium position are provided with upper and lower two-layer compound spray structure, make desulfuration efficiency obtain better raising, and upper and lower two-layer spray structure all can be arranged to one or more layers spray structure; And ensure that the overlapping fraction of coverage of desulfurization lean solution at least reaches 170%-250%, and ensure that the spray area of each nozzle has identical spray flux density, to avoid spraying dead angle.
Description
Technical field
The utility model belongs to the technical field of Coal Chemical Industry coking desulfurization, is specifically related to a kind of spray structure of coke gas desulfurization regeneration integrated tower.
Background technology
Current existing iron and steel enterprise will perform more strict Air Pollutant Emission limit value, and the coking production enterprise in iron and steel enterprise is in the urgent need to finding suitable, efficient, economic reduction of discharging Treatment process.Because containing hydrogen sulfide and prussic acid in coke gas, not only severe contamination atmospheric environment, and also when coke gas is as iron and steel enterprise's metallurgical fuel, the objectionable impuritiess such as hydrogen sulfide have had a strong impact on steel product quality.
Although there is employing to be that alkali source carries out the desulfurization regeneration tower of liquid phase catalytic oxidation sulfur removal technology to the cooking gas containing hydrogen sulfide sulfides with ammonia in recent years, also respective independently thionizer and regenerator column is originally about to, the i.e. desulfurization regeneration tower of two single devices integrated desulfurizings and refresh function, make the unit operation integrated level of this tower high, equipment is few, decreases floor space, has saved construction investment, reduce power consumption, alleviate environmental pollution.
But, there is the thorough problem of sweetening effectiveness after the function due to collection desulfurization and regeneration in the desulfurization regeneration tower of prior art.In addition, in current coke gas use the ature of coal of feed coal to have the trend of high sulfur-bearing, the sulphur content in coke gas must be caused to increase, therefore in coke gas sweetening process in the urgent need to adopting efficient desulfurization regeneration equipment.
Utility model content
The object of utility model is: for solving the problem, and the utility model, for the deficiencies in the prior art, provides a kind of spray structure of coke gas desulfurization regeneration integrated tower.
Technical scheme: for achieving the above object, the utility model adopts following technical scheme:
The spray structure of coke gas desulfurization regeneration integrated tower, it is characterized in that the utility model comprises spray structure sluicing pipe, desulfurization lean solution upper inlet and spray structure, lower spray structure sluicing pipe, desulfurization lean solution lower inlet and spray structure, high-pressure atomization shower nozzle, shower nozzle arm, supporting cup, back up pad, supporting beam, on this spray structure adopts, lower two-layer compound spray structure, in desulfurization regeneration tower desulfurization unit, set gradually as upper spray structure sluicing pipe from top to bottom, desulfurization lean solution upper inlet and spray structure, lower spray structure sluicing pipe, desulfurization lean solution lower inlet and spray structure.
Desulfurization lean solution upper inlet and spray structure and desulfurization lean solution lower inlet and spray structure weld on several shower nozzle arms, shower nozzle arm and has been bolted high-pressure atomization shower nozzle, shower nozzle arm adopts supporting beam to support simultaneously, supporting beam adopts the supporting cup be welded on cylindrical shell to support, desulfurization lean solution upper inlet and spray structure are welded with flange, for being connected desulfurization lean solution pipeline with the side that desulfurization lean solution lower inlet and spray structure stretch out cylindrical shell outside, the other end adopts back up pad to support, and back up pad is welded on cylindrical shell.
At desulfurization lean solution upper inlet and spray structure, the bottom of desulfurization lean solution lower inlet and spray structure is provided with several high-pressure atomization shower nozzles in desulfurization regeneration tower radial direction in different radii, multilayer annular configuration, implement the dual composite atomizing of desulfurization lean solution adverse current to coke gas by the nozzle of high-pressure atomization shower nozzle to spray, and on, the shower nozzle of lower two-layer compound spray structure is on desulfurization regeneration tower axis direction, lower space is staggeredly arranged, in staggered, and ensure that the overlapping fraction of coverage of desulfurization lean solution at least reaches 170%-250%, namely the area that under nozzle tip, the spray cone of 0.9m covers is multiplied by the nozzle number of every layer, the area of the desulfurization regeneration tower cross section that can cover 170%-250% should be equaled, and ensure that the spray area of each nozzle has identical spray flux density, to avoid spraying dead angle.
Adopt the technological process of spray structure to coking coal gas desulfurization of coke gas desulfurization regeneration integrated tower as follows:
Coke gas enters desulfurization regeneration tower by gas entry, utilize gas flow distribution device to realize coal gas to be uniformly distributed in whole desulfurization regeneration tower, by 2 layers of packing layer and the gas-liquid distributor again with distributed function, the doctor solution of the atomization sprayed with desulfurization lean solution lower inlet and spray structure carries out first time and conducts heat to mix to contact with the adverse current of mass transfer and wash, under the effect of catalyzer, the hydrogen sulfide etc. in coal gas is absorbed in doctor solution, coke gas is up again by 2 layers of packing layer and the gas-liquid distributor again with distributed function, carry out second time with the doctor solution of the atomization sprayed from desulfurization lean solution upper inlet and spray structure to conduct heat to mix to contact with the adverse current of mass transfer and wash, under the effect of catalyzer, continue the hydrogen sulfide etc. in coal gas to be absorbed in doctor solution, make desulfurization more thorough, the doctor solution back taper circular hole be turned into through middle part at the bottom of tower after rich solution after desulfurization flows into rich solution storage reaction unit after desulfurization, in the up process of coke gas order through 4 layers of packing layer and there is distributed function again 4 grades of desulfurization of gas-liquid distributor after, subsequent processing is sent into by top gas exit after flutterring the water smoke that mist device removes in coal gas.
As optimization: in spray structure described in the utility model, because adopt, the upper position of desulfurization unit and medium position are provided with upper and lower two-layer compound spray structure, desulfuration efficiency is made to obtain better raising, make the hydrogen sulfide content in the coke gas after desulfurization far below below the 20mg/ m3 of prior art, and upper and lower two-layer spray structure all can be arranged to one or more layers spray structure; And ensure that the overlapping fraction of coverage of desulfurization lean solution at least reaches 170%-250%, namely the area that under nozzle tip, the spray cone of 0.9m covers is multiplied by the nozzle number of every layer, the area of the desulfurization regeneration tower cross section that can cover 170%-250% should be equaled, and ensure that the spray area of each nozzle has identical spray flux density, to avoid spraying dead angle.
As further optimization: high-pressure atomization spray nozzle described in the utility model is that average spray particle size is about 100 μm, and the spray particle size of general desulfurization nozzle is about 1000-5000 μm, the specific surface area of mist unit spray liquid is more than 400 times of the latter, just can realize volatilization and be cooled to state of saturation after coke gas enters desulfurization unit in the several seconds; Drastically increase Absorption Desulfurization efficiency, only need the vapour-liquid ratio of 0.1-0.5L/m3 just can realize desulfurization up to standard, original sweet gas liquor ratio also can reduce, and decreases internal circulating load, solves of the prior art due to the not thorough problem of the sweetening effectiveness after collection desulfurization and refresh function.
Accompanying drawing explanation
Fig. 1 is spray structure schematic diagram of the present utility model;
Fig. 2 is desulfurization lean solution lower inlet of the present utility model and spray structure 4 front view;
Fig. 3 is desulfurization lean solution lower inlet of the present utility model and spray structure 4 left view;
Fig. 4 is desulfurization lean solution lower inlet of the present utility model and spray structure 4 vertical view;
Fig. 5 is desulfurization lean solution upper inlet of the present utility model and spray structure 8 front view;
Fig. 6 is desulfurization lean solution upper inlet of the present utility model and spray structure 8 left view;
Fig. 7 is desulfurization lean solution upper inlet of the present utility model and spray structure 8 vertical view.
In figure: spray structure sluicing pipe, 8-desulfurization lean solution upper inlet and spray structure, the upper spray structure sluicing pipe of 9-, 12-shower nozzle arm, 13-supporting cup, 14-back up pad, 15-supporting beam under 4-desulfurization lean solution lower inlet and spray structure, 5-high-pressure atomization shower nozzle, 6-.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but it should be noted that enforcement of the present utility model is not limited to following embodiment.
As shown in Fig. 1-Fig. 7, the spray structure of coke gas desulfurization regeneration integrated tower, comprise spray structure sluicing pipe 9, desulfurization lean solution upper inlet and spray structure 8, lower spray structure sluicing pipe 6, desulfurization lean solution lower inlet and spray structure 4, high-pressure atomization shower nozzle 5, shower nozzle arm 12, supporting cup 13, back up pad 14, supporting beam 15, on this spray structure adopts, lower two-layer compound spray structure, in desulfurization regeneration tower desulfurization unit, set gradually as upper spray structure sluicing pipe 9 from top to bottom, desulfurization lean solution upper inlet and spray structure 8, lower spray structure sluicing pipe 6, desulfurization lean solution lower inlet and spray structure 4.
Desulfurization lean solution upper inlet and spray structure 8 weld on several shower nozzle arms 12, shower nozzle arm 12 and has been bolted high-pressure atomization shower nozzle 5, shower nozzle arm 12 adopts supporting beam 15 to support simultaneously, supporting beam 15 adopts the supporting cup 13 be welded on cylindrical shell 1 to support, the side that desulfurization lean solution upper inlet and spray structure 8 stretch out cylindrical shell 1 outside is welded with flange, for connecting desulfurization lean solution pipeline, the other end adopts back up pad 14 to support, and back up pad 14 is welded on cylindrical shell 1.
Desulfurization lean solution lower inlet and spray structure 4 weld on several shower nozzle arms 12, shower nozzle arm 12 and has been bolted high-pressure atomization shower nozzle 5, shower nozzle arm 12 adopts supporting beam 15 to support simultaneously, supporting beam 15 adopts the supporting cup 13 be welded on cylindrical shell 1 to support, the side that desulfurization lean solution lower inlet and spray structure 4 stretch out cylindrical shell 1 outside is welded with flange, for connecting desulfurization lean solution pipeline, the other end adopts back up pad 14 to support, and back up pad 14 is welded on cylindrical shell 1.
At desulfurization lean solution upper inlet and spray structure 8, the bottom of desulfurization lean solution lower inlet and spray structure 4 is provided with several high-pressure atomization shower nozzles 5 in desulfurization regeneration tower radial direction in different radii, multilayer annular configuration, implement the dual composite atomizing of desulfurization lean solution adverse current to coke gas by the nozzle of high-pressure atomization shower nozzle 5 to spray, and on, the high-pressure atomization shower nozzle (5) of lower two-layer compound spray structure is on desulfurization regeneration tower axis direction, lower space is staggeredly arranged, in staggered, and ensure that the overlapping fraction of coverage of desulfurization lean solution at least reaches 170%-250%, namely the area that under nozzle tip, the spray cone of 0.9m covers is multiplied by the nozzle number of every layer, the area of the desulfurization regeneration tower cross section that can cover 170%-250% should be equaled, and ensure that the spray area of each nozzle has identical spray flux density, to avoid spraying dead angle.
Adopt the technological process of spray structure to coking coal gas desulfurization of coke gas desulfurization regeneration integrated tower as follows:
Coke gas enters desulfurization regeneration tower by gas entry 2, utilize gas flow distribution device to realize coal gas to be uniformly distributed in whole desulfurization regeneration tower, by 2 layers of packing layer and the gas-liquid distributor again with distributed function, the doctor solution of the atomization sprayed with desulfurization lean solution lower inlet and spray structure 4 carries out first time and conducts heat to mix to contact with the adverse current of mass transfer and wash, under the effect of catalyzer, the hydrogen sulfide etc. in coal gas is absorbed in doctor solution, coke gas is up again by 2 layers of packing layer and the gas-liquid distributor again with distributed function, carry out second time with the doctor solution of the atomization sprayed from desulfurization lean solution upper inlet and spray structure 8 to conduct heat to mix to contact with the adverse current of mass transfer and wash, under the effect of catalyzer, continue the hydrogen sulfide etc. in coal gas to be absorbed in doctor solution, make desulfurization more thorough, the doctor solution back taper circular hole be turned into through middle part at the bottom of tower after rich solution after desulfurization flows into rich solution storage reaction unit after desulfurization, in the up process of coal gas order through 4 layers of packing layer and there is distributed function again 4 grades of desulfurization of gas-liquid distributor after, subsequent processing is sent into by gas exit after flutterring the water smoke that mist device removes in coal gas.
Claims (4)
1. the spray structure of coke gas desulfurization regeneration integrated tower, comprise spray structure sluicing pipe (9), desulfurization lean solution upper inlet and spray structure (8), lower spray structure sluicing pipe (6), desulfurization lean solution lower inlet and spray structure (4), high-pressure atomization shower nozzle (5), shower nozzle arm (12), supporting cup (13), back up pad (14), supporting beam (15), it is characterized in that, on this spray structure adopts, lower two-layer compound spray structure, in desulfurization regeneration tower desulfurization unit, set gradually as upper spray structure sluicing pipe (9) from top to bottom, desulfurization lean solution upper inlet and spray structure (8), lower spray structure sluicing pipe (6), desulfurization lean solution lower inlet and spray structure (4).
2. the spray structure of coke gas desulfurization regeneration integrated tower according to claim 1, it is characterized in that: desulfurization lean solution upper inlet and several shower nozzle arms (12) of the upper welding of spray structure (8), shower nozzle arm (12) is bolted high-pressure atomization shower nozzle (5), shower nozzle arm (12) adopts supporting beam (15) to support simultaneously, supporting beam (15) adopts the supporting cup (13) be welded on cylindrical shell (1) to support, the side that desulfurization lean solution upper inlet and spray structure (8) stretch out cylindrical shell (1) outside is welded with flange, for connecting desulfurization lean solution pipeline, the other end adopts back up pad (14) to support, back up pad (14) is welded on cylindrical shell (1).
3. the spray structure of coke gas desulfurization regeneration integrated tower according to claim 1, it is characterized in that: desulfurization lean solution lower inlet and several shower nozzle arms (12) of the upper welding of spray structure (4), shower nozzle arm (12) is bolted high-pressure atomization shower nozzle (5), shower nozzle arm (12) adopts supporting beam (15) to support simultaneously, supporting beam (15) adopts the supporting cup (13) be welded on cylindrical shell (1) to support, the side that desulfurization lean solution lower inlet and spray structure (4) stretch out cylindrical shell (1) outside is welded with flange, for connecting desulfurization lean solution pipeline, the other end adopts back up pad (14) to support, back up pad (14) is welded on cylindrical shell (1).
4. the spray structure of coke gas desulfurization regeneration integrated tower according to claim 1, it is characterized in that: at desulfurization lean solution upper inlet and spray structure (8), the bottom of desulfurization lean solution lower inlet and spray structure (4) is provided with several high-pressure atomization shower nozzles (5) in desulfurization regeneration tower radial direction in different radii, multilayer annular configuration, implement the dual composite atomizing of desulfurization lean solution adverse current to coke gas by the nozzle of high-pressure atomization shower nozzle (5) to spray, and on, the high-pressure atomization shower nozzle (5) of lower two-layer compound spray structure is on desulfurization regeneration tower axis direction, lower space is staggeredly arranged, in staggered.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520144012.1U CN204529773U (en) | 2015-03-15 | 2015-03-15 | The spray structure of coke gas desulfurization regeneration integrated tower |
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| CN201520144012.1U CN204529773U (en) | 2015-03-15 | 2015-03-15 | The spray structure of coke gas desulfurization regeneration integrated tower |
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| CN204529773U true CN204529773U (en) | 2015-08-05 |
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| CN201520144012.1U Expired - Fee Related CN204529773U (en) | 2015-03-15 | 2015-03-15 | The spray structure of coke gas desulfurization regeneration integrated tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636011A (en) * | 2018-05-24 | 2018-10-12 | 董国良 | A kind of delayed coking emptying tower spray system |
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2015
- 2015-03-15 CN CN201520144012.1U patent/CN204529773U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636011A (en) * | 2018-05-24 | 2018-10-12 | 董国良 | A kind of delayed coking emptying tower spray system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160315 |