CN204933142U - A kind of pipeline pretreatment unit of desulphurization system - Google Patents

A kind of pipeline pretreatment unit of desulphurization system Download PDF

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Publication number
CN204933142U
CN204933142U CN201520706024.9U CN201520706024U CN204933142U CN 204933142 U CN204933142 U CN 204933142U CN 201520706024 U CN201520706024 U CN 201520706024U CN 204933142 U CN204933142 U CN 204933142U
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Prior art keywords
spraying mechanism
flue
pretreatment unit
liquid
desulphurization system
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CN201520706024.9U
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Chinese (zh)
Inventor
高立东
张大锴
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Suzhou Zhongmai New Energy Technology Co.,Ltd.
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Suzhou Mai Wo Ingegneria Ambientale Srl
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Abstract

The utility model discloses a kind of pipeline pretreatment unit of desulphurization system, it comprises spraying mechanism, described spraying mechanism is arranged in the flue that is communicated with the gas approach of desulphurization plant, and the liquid that described spraying mechanism sprays can contact with each other with the flue gas flowed through in described flue, the liquid course that wherein said spraying mechanism sprays is intersected mutually with the course of described flue gas, or the Liquid inject direction of described spraying mechanism is identical with the flow direction of described flue gas or contrary.The utility model, by installing shower nozzle spraying mechanism additional in the flue before the gas approach of desulphurization plant, makes gas-liquid two-phase, in flue, heat and mass occur, and absorbs the SO in flue gas 2and dust, can reduce flue-gas temperature, the resistance of ducting is fallen very little, thus without the need to increasing smoke power simultaneously.

Description

A kind of pipeline pretreatment unit of desulphurization system
Technical field
The utility model relates to a kind of desulphurization system, particularly a kind of pipeline pretreatment unit of desulphurization system.
Background technology
Containing a large amount of SO in the industrial smokes such as the equipment such as coal-burning boiler, calcining furnace flue gas, sulfuric acid industry, metallurgy industry 2, the particulate such as dust.According to environmental requirement, often need the process such as desulphurization and denitration or dedusting.Particularly present Chinese Ministry of Environmental Protection etc. are proposed higher requirement to fume treatment etc.
Traditional flue gas desulfurization mainly contains the wet desulphurizations such as alkaline process, ammonia process, calcium method, and the absorption tower device that adopts carries out desulfurization operations more.High gravity desulfurization machine is a kind of efficient novel separation equipment, there is the advantages such as removal efficiency is high, equipment size is little, start-stop car is fast, but industrial smoke temperature is general higher, at 120 ~ 150 DEG C, even more than 200 DEG C, simultaneously containing more dust, these all can have influence on desulfurized effect below, as the impact on equipment, pollute doctor solution and blocking desulphurization plant etc.
Summary of the invention
Main purpose of the present utility model is the pipeline pretreatment unit providing a kind of desulphurization system, thus overcomes deficiency of the prior art.
For realizing aforementioned invention object, the technical solution adopted in the utility model comprises:
A pipeline pretreatment unit for desulphurization system, it comprises spraying mechanism, and described spraying mechanism is arranged in the flue that is communicated with the gas approach of desulphurization plant, and the liquid that described spraying mechanism sprays can contact with each other with the flue gas flowed through in described flue.
As one of comparatively preferred embodiment, the liquid course that described spraying mechanism sprays is intersected mutually with the course of described flue gas, and angle is between the two greater than 0 ° and be less than or equal to 90 °.
Further, described flue gas flows in the horizontal direction, and the Liquid inject direction of described spraying mechanism is from the top down and/or from bottom to top.
As one of comparatively preferred embodiment, described flue gas vertically flows, the Liquid inject direction of described spraying mechanism is identical with the flow direction of described flue gas or contrary, and the course of the liquid course of described spraying mechanism injection and described flue gas on the same line.
As one of comparatively preferred embodiment, described spraying mechanism is arranged in the flue that is directly communicated with the gas approach of desulphurization plant.
Further, described spraying mechanism is arranged on described flue top and/or bottom.
As one of comparatively preferred embodiment, described flue bottom is provided with liquid collection portion, and described liquid collection portion is communicated with the flue external world.
As one of comparatively preferred embodiment, described liquid collection portion is communicated with the circulating slot of desulphurization plant.
As one of comparatively preferred embodiment, described spraying mechanism is communicated with circulation doctor solution supply arrangement and/or fresh water (FW) supply arrangement.
Further, described desulphurization plant adopts desulfurizing tower or high gravity desulfurization machine, is especially preferably high gravity desulfurization machine.
Compared with prior art, advantage of the present utility model comprises: by installing shower nozzle spraying mechanism additional in the flue before the gas approach of desulphurization plant (such as high gravity desulfurization machine), make gas-liquid two-phase, in flue, heat and mass occur, absorb the SO in flue gas 2and dust, can reduce flue-gas temperature, the resistance of ducting is fallen very little, thus without the need to increasing smoke power simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of pipeline pretreatment unit in the utility model one embodiment;
Fig. 2 is the structural representation of pipeline pretreatment unit in another embodiment of the utility model;
Fig. 3 is the structural representation of pipeline pretreatment unit in the another embodiment of the utility model;
Description of reference numerals: flue 1, spraying mechanism 2, liquid 3, flue gas 4, liquid outlet 5.
Detailed description of the invention
As previously mentioned, in view of many defects of prior art, inventor, through research deep for a long time and a large amount of practice, is proposed the technical solution of the utility model, is illustrated as follows in conjunction with some embodiments and accompanying drawing to the technical solution of the utility model.
The simple pipeline pretreatment unit of the one that the utility model relates to (also known as pipeline pre-absorber device) comprises the shower nozzle spray equipment in gas approach flue the last period being arranged on desulphurization plant (such as desulfurizing tower or high gravity desulfurization machine), in order to make gas-liquid two-phase, in flue, heat and mass occur, absorb the SO in flue gas 2and dust, reduce flue-gas temperature simultaneously.
Wherein, the gas-liquid two-phase way of contact can be cross-flow, also can be adverse current, can be even following current etc.
Refer to Fig. 1, among an embodiment, the spraying mechanism 2 of this pipeline pretreatment unit is arranged on flue 1 top be communicated with the gas approach of high gravity desulfurization machine (not shown), flue gas 4 flows in the horizontal direction in flue, and spraying mechanism is from the top down to flue gas ejecting liquid 3, liquid to collect in the liquid collection portion of flue bottom because of Action of Gravity Field and flows out from liquid outlet 5 afterwards.
Or spraying mechanism also can be arranged on flue bottom, and from bottom to top to flue gas ejecting liquid, liquid is because collecting and flow out in the liquid collection portion of Action of Gravity Field in flue bottom afterwards.
Refer to Fig. 2, in yet another embodiment, the spraying mechanism 2 of this pipeline pretreatment unit is arranged on flue 1 top and bottom that are communicated with the gas approach of high gravity desulfurization machine (not shown), flue gas 4 flows from bottom to top in flue, and the spraying mechanism on top is from the top down to flue gas ejecting liquid 3, the spraying mechanism of bottom is from bottom to top to flue gas ejecting liquid 3, and liquid to collect in the liquid collection portion of flue bottom because of Action of Gravity Field and flows out from liquid outlet afterwards.
Or, refer to Fig. 3, in yet another embodiment, the spraying mechanism 2 of this pipeline pretreatment unit is arranged on flue 1 top and bottom that are communicated with the gas approach of high gravity desulfurization machine (not shown), flue gas 4 flows from the top down in flue, and the spraying mechanism on top is from the top down to flue gas ejecting liquid 3, the spraying mechanism of bottom is from bottom to top to flue gas ejecting liquid 3, and liquid to collect in the liquid collection portion of flue bottom because of Action of Gravity Field and flows out from liquid outlet afterwards.
Wherein, pretreated liquid can also directly enter hypergravity machine skin, and is mixed into circulating slot.
Wherein, the liquid of spraying mechanism spray can be circulation doctor solution or fresh water (FW).
The above is only part preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some variations in detail, these variations in detail also should be considered as protection domain of the present utility model.

Claims (10)

1. the pipeline pretreatment unit of a desulphurization system, it is characterized in that comprising spraying mechanism, described spraying mechanism is arranged in the flue that is communicated with the gas approach of desulphurization plant, and the liquid that described spraying mechanism sprays can contact with each other with the flue gas flowed through in described flue.
2. the pipeline pretreatment unit of desulphurization system according to claim 1, is characterized in that the liquid course that described spraying mechanism sprays is intersected mutually with the course of described flue gas, and angle is between the two greater than 0 ° and is less than or equal to 90 °.
3. the pipeline pretreatment unit of desulphurization system according to claim 2, is characterized in that described flue gas flows in the horizontal direction, and the Liquid inject direction of described spraying mechanism is from the top down and/or from bottom to top.
4. the pipeline pretreatment unit of desulphurization system according to claim 1, it is characterized in that described flue gas vertically flows, the Liquid inject direction of described spraying mechanism is identical with the flow direction of described flue gas or contrary, and the course of the liquid course of described spraying mechanism injection and described flue gas on the same line.
5. the pipeline pretreatment unit of desulphurization system according to claim 1, is characterized in that described spraying mechanism is arranged in the flue that is directly communicated with the gas approach of desulphurization plant.
6. the pipeline pretreatment unit of desulphurization system according to claim 1 or 5, is characterized in that described spraying mechanism is arranged on described flue top and/or bottom.
7. the pipeline pretreatment unit of desulphurization system according to claim 1, is characterized in that described flue bottom is provided with liquid collection portion, and described liquid collection portion is communicated with the flue external world.
8. the pipeline pretreatment unit of desulphurization system according to claim 7, is characterized in that described liquid collection portion is communicated with the circulating slot of desulphurization plant.
9. the pipeline pretreatment unit of desulphurization system according to claim 1, is characterized in that described spraying mechanism is communicated with circulation doctor solution supply arrangement and/or fresh water (FW) supply arrangement.
10. the pipeline pretreatment unit of desulphurization system according to claim 1, is characterized in that described desulphurization plant adopts desulfurizing tower or high gravity desulfurization machine.
CN201520706024.9U 2015-09-14 2015-09-14 A kind of pipeline pretreatment unit of desulphurization system Active CN204933142U (en)

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CN204933142U true CN204933142U (en) 2016-01-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111701399A (en) * 2020-07-31 2020-09-25 中国石油化工股份有限公司 Method for treating volatile organic compounds of petrochemical enterprises
CN112175679A (en) * 2020-09-30 2021-01-05 河北煜剑节能技术有限公司 Pipeline spraying desulfurization device and desulfurization method
CN114471111A (en) * 2020-10-23 2022-05-13 中国石油化工股份有限公司 Claus hydrogenation tail gas wet oxidation pre-desulfurization device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111701399A (en) * 2020-07-31 2020-09-25 中国石油化工股份有限公司 Method for treating volatile organic compounds of petrochemical enterprises
CN112175679A (en) * 2020-09-30 2021-01-05 河北煜剑节能技术有限公司 Pipeline spraying desulfurization device and desulfurization method
CN114471111A (en) * 2020-10-23 2022-05-13 中国石油化工股份有限公司 Claus hydrogenation tail gas wet oxidation pre-desulfurization device and method

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Address after: 215000 room 2405, floor 24, building 1, Lingyu Business Plaza, No. 66, qinglonggang Road, high speed railway new town, Xiangcheng District, Suzhou, Jiangsu Province

Patentee after: Suzhou Zhongmai New Energy Technology Co.,Ltd.

Address before: 215000 Anmin Road, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province

Patentee before: SUZHOU MOEWE ENVIRONMENTAL ENGINEERING Co.,Ltd.