CN204973572U - Dry process desulfurization system - Google Patents

Dry process desulfurization system Download PDF

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Publication number
CN204973572U
CN204973572U CN201520774003.0U CN201520774003U CN204973572U CN 204973572 U CN204973572 U CN 204973572U CN 201520774003 U CN201520774003 U CN 201520774003U CN 204973572 U CN204973572 U CN 204973572U
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CN
China
Prior art keywords
communicates
conversion zone
intake stack
dry method
mixing chamber
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Withdrawn - After Issue
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CN201520774003.0U
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Chinese (zh)
Inventor
朱汉卿
郑军
崔慧
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Yancheng Fu Shi Machinery Manufacturing Co Ltd
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Yancheng Fu Shi Machinery Manufacturing Co Ltd
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Priority to CN201520774003.0U priority Critical patent/CN204973572U/en
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Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model relates to a dry process desulfurization system, flue gas inlet communicates with each other with the mixing chamber, the flue gas inlet upper end communicates with each other with the desulfurizer feed inlet, desulfurizer feed inlet upper end is equipped with the machine of breaing up, be equipped with the agitator in the mixing chamber, the mixing chamber upper end communicates with each other with the conversion zone, the conversion zone top is equipped with a plurality of oxygen governing valve, the oxygen governing valve links to each other with the oxygenation device, the conversion zone lower extreme communicates with each other with conveying equipment, conveying equipment communicates with each other with the lifting machine through first swift current material chute, the lifting machine upper end communicates with each other through second swift current material chute and sorting facilities upper end, sorting facilities one end communicates with each other with the intake stack, and the other end communicates with each other through dust collector intake stack and cloth screen, the intake stack communicates with each other with the middle part of lifting machine, the cloth screen links to each other with the draught fan through clean flue gas pipeline, the utility model discloses a dry process desulfurization system, its simple structure can utilize the carbide slag to carry out the dry desulfurization, and the desulfurization is efficient, still can not lead to the fact the polluted environment when having carried out salvaging to the carbide slag.

Description

A kind of dry method desulfuration system
Technical field
The utility model belongs to flue gas desulfurization device field, particularly relates to a kind of dry method desulfuration system.
Background technology
Current domestic desulfurization by dry method mainly contains spray drying process, active carbon adsorption, electron ray radiation method, filling corona method, charged dry sorbent injection method, in-furnace calcium spraying afterbody humidification method, flue gas circulating fluidized bed technology and in-furnace calcium spraying circulating fluidized bed technique, but above-mentioned desulfurization by dry method is all adopt lime stone as desulfurizing agent, although investment cost is not high, all ubiquity that desulfuration efficiency is on the low side, sorbent utilization is low and desulfurizing byproduct can cause the problem of secondary pollution.
The main component of carbide slag is calcium hydroxide, and its surface area is large, and particle diameter is little, by force desulphurizing activated, be good SO2 absorbent, and carbide slag is calcium carbide and water reacts and the waste residue of discharging, domestic have the carbide slag of tens million of tons to stack every year, not only take a large amount of soil, and contaminated environment, if carbide slag can be utilized as desulfurizing agent and coordinate suitable desulfurizer to carry out dry desulfurization, then can not only improve desulfuration efficiency, and twice laid can be carried out to carbide slag, solve problem of environmental pollution.
Utility model content
The utility model object provides one that carbide slag can be utilized as desulfurizing agent to overcome the deficiencies in the prior art, carries out twice laid, and solve the dry method desulfuration system of problem of environmental pollution while improving desulfuration efficiency to carbide slag.
For achieving the above object, the technical solution adopted in the utility model is: a kind of dry method desulfuration system, comprises gas approach, mixing chamber, desulfurizing agent charging aperture, beater, agitator, conversion zone, oxygen regulating valve, oxygen-increasing device, conveying equipment, first slip material skewed slot, elevator, second slips material skewed slot, screening installation, intake stack, dust-precipitator intake stack, bagroom, neat stress pipeline and air-introduced machine; Described gas approach communicates with mixing chamber; Described gas approach upper end communicates with desulfurizing agent charging aperture; Described desulfurizing agent charging aperture upper end is provided with beater; Agitator is provided with in described mixing chamber; Described mixing chamber upper end communicates with conversion zone; Several oxygen regulating valves are provided with above described conversion zone; Described oxygen regulating valve is connected with oxygen-increasing device; Described conversion zone lower end communicates with conveying equipment; Described conveying equipment slips by first expects that skewed slot communicates with elevator; Described elevator upper end slips by second expects that skewed slot communicates with screening installation upper end; Described screening installation one end communicates with intake stack, and the other end is communicated with bagroom by dust-precipitator intake stack; Described intake stack communicates with the middle part of elevator; Described bagroom is connected with air-introduced machine by neat stress pipeline.
Preferably, described screening installation lower end is provided with by-product impurity discharge valve; Described bagroom lower end is provided with byproduct finished product discharge valve.
Preferably, described desulfurizing agent charging aperture one end is also provided with heater.
Preferably, described conversion zone is made up of multiple bend pipe UNICOM.
Preferably, the angle between described desulfurizing agent charging aperture and gas approach is 50 °-60 °.
Preferably, the quantity of described oxygen regulating valve is two.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages: the dry method desulfuration system of the utility model scheme, conversion zone is bend pipe structure, extend the time of staying of flue gas in desulfurizer, desulfurizing agent is fully contacted with flue gas, substantially increases the utilization rate of desulfuration efficiency and desulfurizing agent.The desulphurization system of the utility model scheme by the magazins' layout in desulfurizing byproduct, can improve the quality of desulfurated plaster, solves the problem of desulfurizing byproduct secondary pollution.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further.
Accompanying drawing 1 is the structural representation of the utility model dry method desulfuration system.
Wherein: 1, gas approach; 2, mixing chamber; 3, desulfurizing agent charging aperture; 4, beater; 5, agitator; 6, conversion zone; 7, oxygen regulating valve; 8, oxygen-increasing device; 9, conveying equipment; 10, first material skewed slot is slipped; 11, elevator; 12, second material skewed slot is slipped; 13, screening installation; 14, dust-precipitator intake stack; 15, bagroom; 16, neat stress pipe; 17, air-introduced machine; 18, heater; 19, by-product impurity discharge valve; 20, byproduct finished product discharge valve; 21, intake stack.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Described in the utility model a kind of dry method desulfuration system as shown in Figure 1, comprises gas approach 1, mixing chamber 2, desulfurizing agent charging aperture 3, beater 4, agitator 5, conversion zone 6, oxygen regulating valve 7, oxygen-increasing device 8, conveying equipment 9, first slips material skewed slot 10, elevator 11, second slips material skewed slot 12, screening installation 13, intake stack 21, dust-precipitator intake stack 14, bagroom 15, neat stress pipeline 16 and air-introduced machine 17; Described gas approach 1 communicates with mixing chamber 2; Described gas approach 1 upper end communicates with desulfurizing agent charging aperture 3; Described desulfurizing agent charging aperture 3 upper end is provided with beater 4; Agitator 5 is provided with in described mixing chamber 2; Described mixing chamber 2 upper end communicates with conversion zone 6; Several oxygen regulating valves 7 are provided with above described conversion zone 6; Described oxygen regulating valve 7 is connected with oxygen-increasing device 8; Described conversion zone 6 lower end communicates with conveying equipment 9; Described conveying equipment 9 slips by first expects that skewed slot 10 communicates with elevator 11; Described elevator 11 upper end slips by second expects that skewed slot 12 communicates with screening installation 13 upper end; Described screening installation 13 one end communicates with intake stack 21, and the other end is communicated with bagroom 15 by dust-precipitator intake stack 14; Described intake stack 21 communicates with the middle part of elevator 11; Described bagroom 14 is connected with air-introduced machine 17 by neat stress pipeline 16; Described screening installation 13 lower end is provided with by-product impurity discharge valve 19; Described bagroom 15 lower end is provided with byproduct finished product discharge valve 20; Described desulfurizing agent charging aperture 3 one end is also provided with heater 18; Described conversion zone 6 is made up of multiple bend pipe UNICOM; Angle between described desulfurizing agent charging aperture 3 and gas approach 1 is 50 °-60 °; The quantity of described oxygen regulating valve 7 is two or more.
Wherein desulfurizing agent can adopt moisture content about 20% dry carbide slag, also can be the wet carbide slag that moisture content reaches 40%, select during the dry carbide slag of moisture content about 20% can not start heater when desulfurizing agent, desulfurizing agent starts heater when selecting moisture content to reach the wet carbide slag of 40%, and heater can adopt electrical heating or Steam Heating.
embodiment onemake desulfurizing agent for the carbide slag of 40% water content, the utility model is described in further detail.
The carbide slag of 40% water content is moist sticky lumpy material, enters beater 4 and is slipped in desulfurizing agent charging aperture 3 by breaing up after blade cuts becomes granule of high-speed rotation; Because carbide slag moisture content is higher, open the heater 18 of desulfurizing agent charging aperture 3 bottom, the portion of water in evaporation carbide slag, makes the non-caked tube wall at desulfurizing agent charging aperture of carbide slag; Then the landing of carbide slag particle enters in the pipeline of gas approach 1; mixing chamber 2 and sulfur-containing smoke gas premixed is entered under the following current of sulfur-containing smoke gas promotes; sulfur dioxide in flue gas and carbide slag contained humidity react and generate sulfurous acid; carbide slag particle and the flue gas containing sulfurous acid are under the effect of agitator 5; produce fierce turbulence and mix; both fully contact mixing, carry out preliminary desulphurization reaction.
Then carbide slag particle enters into conversion zone 6 with flue gas, opens oxygen-increasing device 8, is inputted in conversion zone by oxygen by oxygen regulating valve 7, thus calcium sulfite particles oxidation is generated calcium sulfate particle; A large amount of desulfurizing byproducts is also created in sweetening process, wherein oarse-grained desulfurizing byproduct falls under gravity in the conveying equipment 9 below conversion zone 6, export from conveying equipment 9 and slip material skewed slot 10 along first and enter elevator 11, then slip after material skewed slot 12 along second after rising to certain altitude by elevator 11 and enter in screening installation 13 and carry out sorting; The granule of another part and powdery desulfurizing byproduct enter the intake stack 21 of screening installation 13 under the effect of air-introduced machine 17 gravitation, the granule sub-elected and powdery desulfurizing byproduct draw off 19 from the byproduct finished product discharge valve of screening installation 13 bottom, desulfuration byproduct impurity enters dust-precipitator intake stack 14 with flue gas from the air outlet on screening installation 13 top, the desulfuration byproduct impurity collected through bagroom 15 is discharged from by-product impurity discharge valve 20, and the flue gas after purification drains into air from neat stress pipe 16 road through air-introduced machine 17.
The dry method desulfuration system of the utility model scheme, conversion zone is bend pipe structure, extends the time of staying of flue gas in desulfurizer, desulfurizing agent is fully contacted with flue gas, substantially increase the utilization rate of desulfuration efficiency and desulfurizing agent.The desulphurization system of the utility model scheme by the magazins' layout in desulfurizing byproduct, can improve the quality of desulfurated plaster, solves the problem of desulfurizing byproduct secondary pollution.
Below be only embody rule example of the present utility model, protection domain of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.

Claims (8)

1. a dry method desulfuration system, is characterized in that: comprise gas approach, mixing chamber, desulfurizing agent charging aperture, beater, agitator, conversion zone, oxygen regulating valve, oxygen-increasing device, conveying equipment, first slip material skewed slot, elevator, second slips material skewed slot, screening installation, intake stack, dust-precipitator intake stack, bagroom, neat stress pipeline and air-introduced machine; Described gas approach communicates with mixing chamber; Described gas approach upper end communicates with desulfurizing agent charging aperture; Described desulfurizing agent charging aperture upper end is provided with beater; Agitator is provided with in described mixing chamber; Described mixing chamber upper end communicates with conversion zone; Several oxygen regulating valves are provided with above described conversion zone; Described oxygen regulating valve is connected with oxygen-increasing device; Described conversion zone lower end communicates with conveying equipment; Described conveying equipment slips by first expects that skewed slot communicates with elevator; Described elevator upper end slips by second expects that skewed slot communicates with screening installation upper end; Described screening installation one end communicates with intake stack, and the other end is communicated with bagroom by dust-precipitator intake stack; Described intake stack communicates with the middle part of elevator; Described bagroom is connected with air-introduced machine by neat stress pipeline.
2. dry method desulfuration system according to claim 1, is characterized in that: described screening installation lower end is provided with by-product impurity discharge valve; Described bagroom lower end is provided with byproduct finished product discharge valve.
3. dry method desulfuration system according to claim 2, is characterized in that: described desulfurizing agent charging aperture one end is also provided with heater.
4. the dry method desulfuration system according to claim 1 or 3, is characterized in that: described conversion zone is made up of multiple bend pipe UNICOM.
5. dry method desulfuration system according to claim 4, is characterized in that: the angle between described desulfurizing agent charging aperture and gas approach is 50 °-60 °.
6. according to the dry method desulfuration system in claim 1,2,3 described in any one, it is characterized in that: the quantity of described oxygen regulating valve is two or more.
7. dry method desulfuration system according to claim 4, is characterized in that: the quantity of described oxygen regulating valve is two or more.
8. dry method desulfuration system according to claim 5, is characterized in that: the quantity of described oxygen regulating valve is two or more.
CN201520774003.0U 2015-10-08 2015-10-08 Dry process desulfurization system Withdrawn - After Issue CN204973572U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520774003.0U CN204973572U (en) 2015-10-08 2015-10-08 Dry process desulfurization system

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Application Number Priority Date Filing Date Title
CN201520774003.0U CN204973572U (en) 2015-10-08 2015-10-08 Dry process desulfurization system

Publications (1)

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CN204973572U true CN204973572U (en) 2016-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111589260A (en) * 2020-03-16 2020-08-28 重庆三峰环境集团股份有限公司 Waste incineration flue gas near-zero emission treatment system and process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111589260A (en) * 2020-03-16 2020-08-28 重庆三峰环境集团股份有限公司 Waste incineration flue gas near-zero emission treatment system and process
CN111589260B (en) * 2020-03-16 2024-01-23 重庆三峰环境集团股份有限公司 Near-zero emission treatment system and process for waste incineration flue gas

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AV01 Patent right actively abandoned

Granted publication date: 20160120

Effective date of abandoning: 20160824

C25 Abandonment of patent right or utility model to avoid double patenting