CN104815547A - Phosphate concentrate desulfurization system - Google Patents
Phosphate concentrate desulfurization system Download PDFInfo
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- CN104815547A CN104815547A CN201510164407.2A CN201510164407A CN104815547A CN 104815547 A CN104815547 A CN 104815547A CN 201510164407 A CN201510164407 A CN 201510164407A CN 104815547 A CN104815547 A CN 104815547A
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- desulfurizing tower
- desulfurizing
- tower
- spraying layer
- towers
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Abstract
The present invention discloses a phosphate concentrate desulfurization system, which is characterized by comprising two sets of desulfurization towers, wherein the two sets of the desulfurization towers comprise the desulfurization tower A (1) and the desulfurization tower B (2), share a circulation groove (3), and are symmetrically arranged on both sides of the circulation groove (3), and the circulation groove (3) is positioned on the central axis line on the south side of a chimney. The phosphate concentrate desulfurization system of the present invention has the following beneficial effects that: the three layers of the spraying layers are designed, such that the spraying load can be reduced and the spraying amount can be reduced under the premise of assurance of the desulfurization efficiency so as to reduce the power of the circulation pump and achieve the energy source saving effect; and when the one set of the flue gas operates while the other set of the flue gas is in the stopping state, only the one circulation pump can be started, such that the energy consumption can be reduced during the operation, the automation degree of the desulfurization system is high, and the system operation stability is high. In addition, the material selection and the process technology are reasonable, and the reliable corrosion resistance measures on the corrosive media, the equipment contacting the corrosive media, and the pipelines contacting the corrosive media in the system are ensured so as to ensure the long-period and reliable operation of the system.
Description
Technical field
The present invention relates to sulphur compound, specifically phosphorus concentrate desulfurizer.
Background technology
Existing desulfur technology existence is invested greatly, operating cost is high, and pipeline is perishable, and technological process is complicated, and operation operation is numerous and diverse, if can produce the problems such as another kind of emission equally to condition control is bad.Phosphorus concentrate sulfur removal technology utilizes phosphorus concentrate slurries as desulfurizing agent, utilizes the SO in alkali metal oxide in slurries and alkali metal salt and flue gas
2reaction, reaches desulfurized effect.Flow process is succinct, and stable, operating cost is low, desulfurizing agent recoverable, and non-secondary pollution has good desulfurized effect.Inventor, through overtesting, provides a kind of phosphorus concentrate desulphurization system in conjunction with actual production.
Summary of the invention
The object of the present invention is to provide a kind of phosphorus concentrate desulphurization system, to make full use of the existing place of company and existing public utility, guarantee that the e-quipment and pipe contacted with wear medium, corrosive medium in system has reliable anti-corrosion measure, to guarantee system energy long period reliability service simultaneously.
Technical scheme of the present invention: described phosphorus concentrate desulphurization system comprises 2 cover desulfurizing towers, i.e. desulfurizing tower A, desulfurizing tower B; Described two cover desulfurizing towers share a circulating slot, and two cover desulfurizing towers are arranged symmetrically in circulating slot both sides, and circulating slot is positioned on axis, chimney southern side.
The flue gas system of described desulfurizing tower system is by gas approach A, and gas approach B enters desulfurizing tower A, desulfurizing tower B respectively, and A, B two-way sulfuric acid tail gas flue gas is relatively independent, and the exhanst gas outlet A of desulfurizing tower A, the exhanst gas outlet B of desulfurizing tower B out import former flue afterwards.
The gas approach of described two cover desulfurizing towers is equipped with pretreatment spraying layer, and pretreatment spraying layer is supplied by pipeline washing pump; Be equipped with tertiary circulation type spraying layer in two cover desulfurizing towers, every grade of ring-like spraying layer pipeline is provided with branched shower nozzle, and every layer of shower nozzle and lower layer sprayer head and the mutual wrong certain angle of levels shower nozzle, to ensure that sprayed slurry covers whole tower body, realize the SO in flue gas
2efficient absorption, clean flue gas enters chimney after removing fine particle and droplet by demister; Absorb SO
2rich solution enter circulating slot by chute bottom desulfurizing tower, by circulating pump and pipeline washing pump, slurries are sent to desulfurizing tower again from circulating slot and participate in desulphurization reaction.
Described desulfurizing tower tower body bottom is provided with phosphorus concentrate slurry outlet, and tower body top arranges agitator motor and drives one or more layers propeller-blade by axle, and described propeller-blade is arranged on the bottom of tower body, ensures that concentrate slurry mixes, unlikely blocking pipe and pump; Spraying layer nozzle in described desulfurizing tower tower adopts Atomizing Spray Nozzle, and nozzle material adopts carborundum gold doping emery;
The mist eliminator flushing hydromining ceramic filter filtrate of described desulfurizing tower, for ensureing developing result, requires that filtrate water must not contain solid particle.
Described desulfurizing tower A, desulfurizing tower B be an a corresponding circulating pump A and circulating pump B and pipeline washing pump A and pipeline washing pump B separately, and the type selecting flow of described circulating pump, pipeline washing pump is 1.1 times of design discharge.
Described desulfurizing tower system have employed anticorrosive coat, is respectively: the internal sparger pipe of described desulfurizing tower adopts steel lining earthenware, manages outer wall liner presulfurization butyl rubber; Adopt lining brick anticorrosion below described desulfurizing tower inwall spraying layer, more than spraying layer serve as a contrast glass flake anticorrosion.The exiting flue gas pipe of described desulfurizing tower adopts glass-lined steel scale; Described phosphorus concentrate slurries pipeline adopts 16Mn material pipeline, returns ore pulp pipe and adopts steel skeleton composite; Described circulating slot adopts line with rubber, and it is anticorrosion that below 1m adds lining brick.
Owing to adopting glass flake anticorrosion in tower, for preventing temperature exceeding standard from damaging glass flake, gas approach configuration temperature transmitter, the outlet of desulfurizing tower spraying layer also configures temperature transmitter.
Beneficial effect of the present invention:
1, be designed with three layers of spraying layer, under the prerequisite ensureing desulfuration efficiency, spray load can be reduced, reduce spray flux, thus reduce the power of circulating pump, reach the effect of economize energy;
2, the selection of pipe flow speed is scientific and reasonable, reduces the resistance of pipeline.
3, make full use of the existing place of company and existing public utility, save construction investment.
4, double tower scheme is when a set of flue gas runs another set of flue gas shut down condition, and only can start a circulating pump, reduce energy consumption during operation, desulphurization system automaticity is high, and system run all right is high.
5, desulfurizing agent of the present invention adopts existing well-off phosphorus concentrate slurries in factory, SO after desulfurization
2concentration≤400 mg/Nm
3.
6, the selection of material and technology reasonable, guarantee that the e-quipment and pipe contacted with wear medium, corrosive medium in system has reliable anti-corrosion measure, to guarantee system energy long period reliability service.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of desulfurizing tower A;
In figure: 1-desulfurizing tower A; 2-desulfurizing tower B; 3-circulating slot; 4-circulating slot agitator; 5-gas approach A, 6-gas approach B; 7-exhanst gas outlet A; 8-exhanst gas outlet B; 9-demister; 10-pretreatment spraying layer; 11-tertiary circulation type spraying layer, 12-shower nozzle; 13-ore slurry pump; 14-circulating pump A; 15-circulating pump B; 16-pipeline washing pump A; 17-pipeline washing pump B.
Detailed description of the invention
Described phosphorus concentrate desulphurization system comprises 2 cover desulfurizing towers, i.e. desulfurizing tower A1, desulfurizing tower B2; Described two cover desulfurizing towers share circulating slot 3, a two cover desulfurizing tower and are arranged symmetrically in circulating slot 3 both sides, and circulating slot 3 is positioned on axis, chimney southern side.
The flue gas system of described desulfurizing tower system is by gas approach A5, gas approach B6 enters desulfurizing tower A1, desulfurizing tower B2 respectively, A, B two-way sulfuric acid tail gas flue gas is relatively independent, and the exhanst gas outlet A7 of desulfurizing tower A1, the exhanst gas outlet B8 of desulfurizing tower B2 out import former flue afterwards.
Described desulfurizing tower A1, desulfurizing tower B2 be an a corresponding circulating pump A14 and circulating pump B15 and pipeline washing pump A16 and pipeline washing pump B17 separately, and the type selecting flow of described circulating pump, pipeline washing pump is 1.1 times of design discharge.
The gas approach of described two cover desulfurizing towers is equipped with pretreatment spraying layer 10, and pretreatment spraying layer 10 is supplied by pipeline washing pump; Be equipped with tertiary circulation type spraying layer 11 in two cover desulfurizing towers, every grade of ring-like spraying layer pipeline is provided with branched shower nozzle 12, and every layer of shower nozzle 12 and lower layer sprayer head and wrong 30 degree mutually, levels shower nozzle, to ensure that sprayed slurry covers whole tower body, realize the SO in flue gas
2efficient absorption, clean flue gas enters chimney after removing fine particle and droplet by demister; Absorb SO
2rich solution enter circulating slot 3 by chute bottom desulfurizing tower, by circulating pump and pipeline washing pump, slurries are sent to desulfurizing tower again from circulating slot and participate in desulphurization reaction.
Described desulfurizing tower tower body bottom is provided with phosphorus concentrate slurry outlet, and tower body top arranges agitator motor and drives one or more layers propeller-blade by axle, and described propeller-blade is arranged on the bottom of tower body, ensures that concentrate slurry mixes, unlikely blocking pipe and pump; Spraying layer nozzle in described desulfurizing tower tower adopts Atomizing Spray Nozzle, and nozzle material adopts carborundum gold doping emery.
Demister 9 flushing water of described desulfurizing tower adopts ceramic filter filtrate, for ensureing developing result, requires that filtrate water must not contain solid particle.
Described desulfurizing tower system have employed anticorrosive coat, is respectively: the internal sparger pipe of described desulfurizing tower adopts steel lining earthenware, manages outer wall liner presulfurization butyl rubber; Adopt lining brick anticorrosion below described desulfurizing tower inwall spraying layer, more than spraying layer serve as a contrast glass flake anticorrosion.The exiting flue gas pipe of described desulfurizing tower adopts glass-lined steel scale; Described phosphorus concentrate slurries pipeline adopts 16Mn material pipeline, returns ore pulp pipe and adopts steel skeleton composite; Described circulating slot adopts line with rubber, and it is anticorrosion that below 1m adds lining brick.
Owing to adopting glass flake anticorrosion in tower, for preventing temperature exceeding standard from damaging glass flake, gas approach configuration temperature transmitter, the outlet of desulfurizing tower spraying layer also configures temperature transmitter.
Claims (8)
1. a phosphorus concentrate desulphurization system, is characterized in that it comprises two cover desulfurizing towers, i.e. desulfurizing tower A(1), desulfurizing tower B(2); Described two cover desulfurizing towers share a circulating slot (3), and two cover desulfurizing towers are arranged symmetrically in circulating slot (3) both sides, and circulating slot (3) is positioned on axis, chimney southern side.
2. phosphorus concentrate desulphurization system according to claim 1, it is characterized in that described desulfurizing tower A(1), desulfurizing tower B(2) flue gas relatively independent, the flue gas of system is by gas approach A(5), gas approach B(6) enter desulfurizing tower A(1 respectively), desulfurizing tower B(2), desulfurizing tower A(1) exhanst gas outlet A(7), desulfurizing tower B(2) exhanst gas outlet B(8) out import former flue afterwards.
3. phosphorus concentrate desulphurization system according to claim 1, it is characterized in that described desulfurizing tower A(1), desulfurizing tower B(2) respective corresponding one or more circulating pump A(14) and circulating pump B(15) and one or more pipeline washing pump A(16) and pipeline washing pump B(17), the type selecting flow of described circulating pump, pipeline washing pump is 1.1 times of design discharge.
4. phosphorus concentrate desulphurization system according to claim 1, it is characterized in that the gas approach place of described two cover desulfurizing towers is equipped with pretreatment spraying layer (10), pretreatment spraying layer (10) is supplied by pipeline washing pump; Tertiary circulation type spraying layer (11) is equipped with in two cover desulfurizing towers, every grade of ring-like spraying layer pipeline is provided with branched shower nozzle (12), every layer of shower nozzle and lower layer sprayer head and the mutual wrong 20-40 degree of levels shower nozzle, to ensure that sprayed slurry covers whole tower body, realize the SO in flue gas
2efficient absorption, clean flue gas enters chimney after removing fine particle and droplet by demister; Absorb SO
2rich solution enter circulating slot by chute bottom desulfurizing tower, by circulating pump and pipeline washing pump, slurries are sent to desulfurizing tower again from circulating slot and participate in desulphurization reaction.
5. phosphorus concentrate desulphurization system according to claim 1, it is characterized in that described two cover desulfurizing tower tower body bottoms are equipped with phosphorus concentrate slurry outlet, tower body top arranges agitator motor and drives one or more layers propeller-blade by axle, described propeller-blade is arranged on the bottom of tower body, ensure that concentrate slurry mixes, unlikely blocking pipe and pump; Spraying layer nozzle in described desulfurizing tower tower adopts Atomizing Spray Nozzle, and nozzle material adopts carborundum gold doping emery.
6. phosphorus concentrate desulphurization system according to claim 1, it is characterized in that demister (9) flushing water of described two cover desulfurizing towers adopts ceramic filter filtrate, filtrate water must not contain solid particle.
7. phosphorus concentrate desulphurization system according to claim 1, is characterized in that described two cover desulfurizing towers all have employed anticorrosive coat, is respectively: the internal sparger pipe of described desulfurizing tower adopts steel lining earthenware, manages outer wall liner presulfurization butyl rubber; Adopt lining brick anticorrosion below described desulfurizing tower inwall spraying layer, more than spraying layer serve as a contrast glass flake anticorrosion;
The exiting flue gas pipe of described desulfurizing tower adopts glass-lined steel scale; Described phosphorus concentrate slurries pipeline adopts 16Mn material pipeline, returns ore pulp pipe and adopts steel skeleton composite; Described circulating slot (3) adopts line with rubber, and it is anticorrosion that below 1m adds lining brick.
8. phosphorus concentrate desulphurization system according to claim 7, it is characterized in that the gas approach of described two cover desulfurizing towers all configures temperature transmitter, the outlet of desulfurizing tower spraying layer also configures temperature transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164407.2A CN104815547A (en) | 2015-04-09 | 2015-04-09 | Phosphate concentrate desulfurization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164407.2A CN104815547A (en) | 2015-04-09 | 2015-04-09 | Phosphate concentrate desulfurization system |
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| CN104815547A true CN104815547A (en) | 2015-08-05 |
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| CN201510164407.2A Pending CN104815547A (en) | 2015-04-09 | 2015-04-09 | Phosphate concentrate desulfurization system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3396662B2 (en) * | 2000-10-05 | 2003-04-14 | 川崎重工業株式会社 | Wet lime gypsum method desulfurization method and apparatus |
| CN102688685A (en) * | 2012-06-19 | 2012-09-26 | 上海汉卓能源科技有限公司 | Flue gas desulfurization system and method |
| CN202893175U (en) * | 2012-11-27 | 2013-04-24 | 李世明 | Flue gas desulfurization and denitrification integrated device of sintering machine |
| CN103191637A (en) * | 2013-04-23 | 2013-07-10 | 瓮福（集团）有限责任公司 | Industrial exhaust gas desulfurizer |
| CN203108407U (en) * | 2013-03-20 | 2013-08-07 | 瓮福（集团）有限责任公司 | Device for removing low-concentration sulfur dioxide from phosphate concentrate |
| CN104174282A (en) * | 2014-09-05 | 2014-12-03 | 中电投远达环保工程有限公司 | Two-stage high-speed desulfurization system and process |
| CN204543980U (en) * | 2015-04-09 | 2015-08-12 | 瓮福（集团）有限责任公司 | A kind of desulfurizing tower system |
-
2015
- 2015-04-09 CN CN201510164407.2A patent/CN104815547A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3396662B2 (en) * | 2000-10-05 | 2003-04-14 | 川崎重工業株式会社 | Wet lime gypsum method desulfurization method and apparatus |
| CN102688685A (en) * | 2012-06-19 | 2012-09-26 | 上海汉卓能源科技有限公司 | Flue gas desulfurization system and method |
| CN202893175U (en) * | 2012-11-27 | 2013-04-24 | 李世明 | Flue gas desulfurization and denitrification integrated device of sintering machine |
| CN203108407U (en) * | 2013-03-20 | 2013-08-07 | 瓮福（集团）有限责任公司 | Device for removing low-concentration sulfur dioxide from phosphate concentrate |
| CN103191637A (en) * | 2013-04-23 | 2013-07-10 | 瓮福（集团）有限责任公司 | Industrial exhaust gas desulfurizer |
| CN104174282A (en) * | 2014-09-05 | 2014-12-03 | 中电投远达环保工程有限公司 | Two-stage high-speed desulfurization system and process |
| CN204543980U (en) * | 2015-04-09 | 2015-08-12 | 瓮福（集团）有限责任公司 | A kind of desulfurizing tower system |
Non-Patent Citations (1)
| Title |
|---|
| 王开岳: "《天然气净化工艺—脱硫脱碳、脱水、硫磺回收及尾气处理》", 31 July 2005, 石油工业出版社 * |
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Application publication date: 20150805 |