CN203944281U - Flue gas desulfur device - Google Patents

Flue gas desulfur device Download PDF

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Publication number
CN203944281U
CN203944281U CN201420375305.6U CN201420375305U CN203944281U CN 203944281 U CN203944281 U CN 203944281U CN 201420375305 U CN201420375305 U CN 201420375305U CN 203944281 U CN203944281 U CN 203944281U
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China
Prior art keywords
gas
elemental sulfur
ball
phase
flue gas
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Expired - Fee Related
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CN201420375305.6U
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Chinese (zh)
Inventor
孙悦
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孙悦
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Priority to CN201420375305.6U priority Critical patent/CN203944281U/en
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Publication of CN203944281U publication Critical patent/CN203944281U/en
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Abstract

The utility model discloses a kind of flue gas desulfur device, tie up on traditional tubulent contact tower basis and improve and design and produce, its main innovation part is: change the liquid collecting room in traditional structure into elemental sulfur expansion chamber, change air chamber into gas-phase reaction chamber, the air inlet of air chamber changes two into by one, adopts natural pumice ball as rapid ball.Use the utility model to carry out flue gas desulfurization, can adopt H 2the gas phase absorbents such as S substitute solid, liquid phase absorbent, with SO 2in tower body, realize gas-gas phase and gas and liquid phase two-stage reaction, desulfuration efficiency is high; Natural pumice ball substitutes common rapid ball, acidproof, alkaline-resisting, heat-resisting, anti-wear performance is superior, and material is cheap and easy to get, has significantly reduced the cost of equipment operation sulfur removal technology; Desulfurization product is elemental sulfur, and selling market is extensive.For some, discharge SO simultaneously 2and H 2the enterprise of the waste gas such as S, application the utility model also can be realized the treatment of wastes with processes of wastes against one another, a tower is controlled two useless objects.

Description

Flue gas desulfur device
Technical field
The utility model belongs to off-gas recovery treating apparatus, relates in particular to a kind of flue gas desulfur device.
Background technology
SO 2 from fume is the main pernicious gas that causes atmosphere pollution, its primary pollution source is industrial coal, non-ferrous metal metallurgy and petroleum refining industry, if it is directly entered to atmosphere, by the serious harm mankind's living environment, therefore before discharge, must be administered.Tubulent contact tower, as a kind of novel flue gas desulfurization device, is widely applied in industrial waste gas purifying field.Tradition tubulent contact tower is mainly comprised of six parts, is respectively from bottom to top
<1> liquid collecting room: be positioned at tower body bottom (or joining) outward, for collecting SO 2absorption liquid.
<2> air chamber: be positioned on liquid collecting room, its effect is to realize gas uniform with stable.
<3> supports column plate: be positioned at tower body middle part, have Process on plate, for uniform distribution air-flow and the rapid ball of support.
The rapid ball of <4> and rapid ball layer: be positioned at and support on column plate; Rapid ball is the filler in tower body, is the hollow rapid ball with certain particle size, density, diameter, and its material generally adopts plastics, polyesters, and minority enterprise makes rapid ball with foamed ceramic float stone (being artificial float stone); The fluidized-bed consisting of rapid ball and nozzles spray absorption liquid is out rapid ball layer.
<5> absorption liquid nozzle: be used for spraying, supply with absorption liquid.
<6> demister: be positioned at tower body top, the water smoke of carrying secretly for removing flue gas.
Compare with similar flue gas desulfurization device, tubulent contact tower has the features such as the unimpeded nothing of gas passage is stopped up, tower resistance is little, power absorption process fast, absorption liquid saturation degree is high, strong adaptability.However, it still exists many deficiencies: <1> to be not suitable for adopting gaseous substance to make absorbent; <2> plastics, the rapid ball acid and alkali resistance of polyesters, heat, mill poor performance, the rapid ball of foamed ceramic float stone is expensive, and equipment operating cost is high; <3> desulfurization product (gypsum, calcium sulfite, ammonium sulfite, ammonium sulfate, sodium sulfite, sodium sulphate, ammoniacal liquor etc.) lacks selling market, and even serious accumulation forms secondary pollution.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of economical and practical, combination property is superior, desulfuration efficiency is high flue gas desulfur device.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: flue gas desulfur device, comprise tubulent contact tower body, tubulent contact tower body bottom is the gentle phase reaction chamber of elemental sulfur expansion chamber, elemental sulfur expansion chamber is positioned under gas-phase reaction chamber, and exhaust gas entrance and gas phase absorbent entrance are established in gas-phase reaction chamber; Tubulent contact tower body middle part is rapid ball layer, and rapid ball adopts natural pumice ball.
Elemental sulfur expansion chamber is connected by pipeline through filter, circulating pump with absorption liquid nozzle.
The problem existing for traditional tubulent contact tower, inventor improves on its basis and has designed and produced a kind of flue gas desulfur device, relative existing equipment, the main innovation part of this device is:
<1> changes the liquid collecting room in traditional tubulent contact tower structure into elemental sulfur expansion chamber, mainly as sedimentation elemental sulfur;
<2> changes the air chamber in traditional tubulent contact tower structure into gas-phase reaction chamber, mainly as SO 2carry out the space of oxidation reaction with gas phase absorbents such as hydrogen sulfide, natural gas, ethanes; The air inlet of air chamber changes two into by one, and exhaust gas entrance is used for blasting sulphur-containing exhaust gas, and gas phase absorbent entrance is used for blasting gas phase absorbent;
<3> adopts natural pumice ball as rapid ball.
Use the utility model to carry out flue gas desulfurization, can adopt H 2the gas phase absorbents such as S substitute solid, liquid phase absorbent, with SO 2in tower body, realize gas-gas phase and gas and liquid phase two-stage reaction, desulfuration efficiency is high; Natural pumice ball substitutes common rapid ball, acidproof, alkaline-resisting, heat-resisting, anti-wear performance is superior, and material is cheap and easy to get, has significantly reduced the cost of equipment operation sulfur removal technology; Desulfurization product is elemental sulfur, and selling market is extensive.For some, discharge SO simultaneously 2and H 2the enterprise of the waste gas such as S (as oil plant), application the utility model also can be realized the treatment of wastes with processes of wastes against one another, a tower is controlled two useless objects.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model flue gas desulfur device, in figure: 1 pure qi (oxygen) floss hole, 2 demisters, 3 tubulent contact tower bodies, 4 circulating pumps, 5 filters, 6 rapid ball layers, 7 exhaust gas entrances, 8 gas-phase reaction chambers, 9 elemental sulfur expansion chambers, 10 gas phase absorbent entrances.
Fig. 2 is the simulation test device structural representation of the utility model flue gas desulfur device, in figure: 1SO 2generating means, 2H 2s generating means, 3 simulation gas-phase reaction chambers, the rapid ball layer of 4 simulation.
The specific embodiment
As shown in Figure 1, the utility model flue gas desulfur device, comprises tubulent contact tower body 3, and tubulent contact tower body bottom is the gentle phase reaction chamber 8 of elemental sulfur expansion chamber 9, elemental sulfur expansion chamber is positioned under gas-phase reaction chamber, and exhaust gas entrance 7 and gas phase absorbent entrance 10 are established in gas-phase reaction chamber; Tubulent contact tower body middle part is rapid ball layer 6, and rapid ball adopts natural pumice ball; Tubulent contact tower body top is provided with absorption liquid nozzle and demister 2; Tubulent contact tower body top is pure qi (oxygen) floss hole 1.Wherein, elemental sulfur expansion chamber is connected by pipeline through filter 5, circulating pump 4 with absorption liquid nozzle.
Operation principle and process
<1> adopts blower fan by SO 2and H 2the waste gas such as S blast gas-phase reaction chamber from exhaust gas entrance and the gas phase absorbent entrance of tubulent contact tower body respectively, utilize SO 2weak oxide oxidation H 2s, the elemental sulfur of generation falls after rise in elemental sulfur expansion chamber;
<2> is due to the indoor gas pressure of gas-phase reaction, SO 2and H 2s mix waste gas moves upward, during through rapid ball layer, and SO 2, H 2s is dissolved in the water, and the turbulence rotation by rapid ball under certain gas speed and collision mutually, form fluidized-bed, makes SO in the aqueous solution 2with H 2the materials such as S fully contact and carry out chemical reaction, thereby complete flue gas desulfurization course, and the elemental sulfur of generation falls after rise to elemental sulfur expansion chamber with absorption liquid;
Purge gas after <3> desulfurization is stressed to affect and continues to move upward, and (heats) emptying after demister is deviate from water smoke;
Slip in <4> elemental sulfur expansion chamber is filtered, and filter cake is elemental sulfur product, and filtrate is sprayed in circulating pump is delivered to tower.
For at laboratory proofing the utility model, inventor has designed a set of simulation test device, as shown in Figure 2.
Simulated test step and result:
<1> utilizes SO 2generating means 1 produces SO 2gas (Na 2sO 3+ H 2sO 4(rare)-SO 2+ Na 2sO 4+ H 2o);
<2> utilizes H 2s generating means 2 produces H 2s gas (Na 2s+H 2sO4 (rare)-Na 2sO 4+ H 2s);
The SO that <3> produces 2and H 2s enters simulation gas-phase reaction chamber 3 simultaneously, mixes the promoting the circulation of qi-gas-phase reaction of going forward side by side;
<4> introduces the rapid ball layer 4 of simulation, SO by mist 2and H 2s is dissolved in the water, and by means of aqueous medium, carries out chemical reaction, generates elemental sulfur and is deposited on container bottom.
By test, 2min obtains 2.7 grams of dry product elemental sulfurs altogether.

Claims (2)

1. a flue gas desulfur device, comprises tubulent contact tower body, it is characterized in that: described tubulent contact tower body bottom is the gentle phase reaction chamber of elemental sulfur expansion chamber, and elemental sulfur expansion chamber is positioned under gas-phase reaction chamber, and exhaust gas entrance and gas phase absorbent entrance are established in gas-phase reaction chamber; Rapid ball in described tubulent contact tower body structure adopts natural pumice ball.
2. flue gas desulfur device according to claim 1, is characterized in that: described elemental sulfur expansion chamber is connected by pipeline through filter, circulating pump with absorption liquid nozzle.
CN201420375305.6U 2014-07-08 2014-07-08 Flue gas desulfur device Expired - Fee Related CN203944281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420375305.6U CN203944281U (en) 2014-07-08 2014-07-08 Flue gas desulfur device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420375305.6U CN203944281U (en) 2014-07-08 2014-07-08 Flue gas desulfur device

Publications (1)

Publication Number Publication Date
CN203944281U true CN203944281U (en) 2014-11-19

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CN201420375305.6U Expired - Fee Related CN203944281U (en) 2014-07-08 2014-07-08 Flue gas desulfur device

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CN (1) CN203944281U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529580A (en) * 2017-09-21 2019-03-29 中国石油化工股份有限公司 The process unit and process of sulfur dioxide and hydrogen sulfide liquid phase reactor desulfurization
CN113209785A (en) * 2021-04-02 2021-08-06 宁波泽瑞环保科技有限公司 High-efficient sulphur is retrieved and tail gas processing apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529580A (en) * 2017-09-21 2019-03-29 中国石油化工股份有限公司 The process unit and process of sulfur dioxide and hydrogen sulfide liquid phase reactor desulfurization
CN109529580B (en) * 2017-09-21 2021-07-09 中国石油化工股份有限公司 Process device and process method for desulfurizing sulfur dioxide and hydrogen sulfide through liquid-phase reaction
CN113209785A (en) * 2021-04-02 2021-08-06 宁波泽瑞环保科技有限公司 High-efficient sulphur is retrieved and tail gas processing apparatus

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141119

Termination date: 20150708

EXPY Termination of patent right or utility model