CN103480245A - Equipment for preparing liquid sulfur dioxide by utilizing sulfur dioxide flue gas - Google Patents
Equipment for preparing liquid sulfur dioxide by utilizing sulfur dioxide flue gas Download PDFInfo
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- CN103480245A CN103480245A CN201310468092.1A CN201310468092A CN103480245A CN 103480245 A CN103480245 A CN 103480245A CN 201310468092 A CN201310468092 A CN 201310468092A CN 103480245 A CN103480245 A CN 103480245A
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- sulfur dioxide
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- flue gas
- equipment
- desorption apparatus
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Abstract
The invention provides equipment for preparing liquid sulfur dioxide by utilizing sulfur dioxide flue gas. The equipment comprises an absorption device, a desorption device, a gas cooling device, a drying device and a compressor device. The absorption device comprises a low-concentration sulfur dioxide flue gas inlet and an exhaust gas outlet, and a sulfur dioxide absorbent is arranged in the absorption device. The desorption device comprises a sulfur dioxide gas outlet and is connected to the absorption device. The gas cooling device is connected with the sulfur dioxide gas outlet. The drying device and the cooling device are connected. The compressor device and the drying device are connected. The equipment can effectively treat sulfur dioxide in the flue gas, has wide scope of application to sulfur dioxide, solves the problem of secondary pollution of desulphurization products in the prior art, and at the same time realizes cycling usage of sulfur resource and effectively avoids waste of sulfur resource.
Description
Technical field
The present invention relates to chemical field, particularly, the present invention relates to utilize sulfur dioxide flue gas to prepare the equipment of sulfur dioxide liquid.
Background technology
Sulfur dioxide is Air Pollutant Discharge, in coal, oil and natural gas combustion process, sulfide ore roasting, smelting process all can have a large amount of sulfur dioxide flue gas to produce.Wherein, the Industrial Boiler of coal-burning power plant, non-ferrous metals smelting works, oil plant, sulfuric acid plant and coal and oil, stove etc. are SO
2main emission source.But China's sulphur resource scarcity and simultaneously endure SO to the fullest extent
2how the puzzlement of polluting, removing SO
2the time this part sulphur resource is recycled is the problem of paying close attention in the industry always.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, one object of the present invention is to propose a kind of equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid, utilize the effectively sulfur dioxide in recovered flue gas of this equipment, and wider to the sulfur dioxide scope of application in flue gas, not only can be applied to the high concentration sulfur dioxide flue gas, applicable equally to low concentration sulphur dioxide flue gas, realized the technique that low concentration sulphur dioxide flue gas is produced sulfur dioxide liquid, avoid secondary pollution simultaneously, avoided again the waste of sulphur resource.
According to an aspect of the present invention, the present invention proposes a kind of equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid, according to one embodiment of present invention, this equipment comprises: absorption plant, described absorption plant has low concentration sulphur dioxide flue gas entrance, exhanst gas outlet, and is provided with the sulfur dioxide absorbent in described absorption plant; Desorption apparatus, described desorption apparatus has the sulfur dioxide gas outlet, and described desorption apparatus is connected with described absorption plant, gas quench system, described gas quench system is connected with the sulfur dioxide gas outlet, drying device, and described drying device is connected with described cooling device, and compression set, described compression set is connected with described drying device.Utilize the effectively sulfur dioxide in recovered flue gas of this equipment, solved the secondary pollution problem of desulfurization product of the prior art, effectively protected again the sulphur resource simultaneously.
In addition, equipment according to the above embodiment of the present invention can also have following additional technical characterictic:
According to embodiments of the invention, the said equipment further comprises heat exchanger, and described heat exchanger is arranged between described absorption plant and described desorption apparatus, and heat exchanger has the absorbent entrance and exit.Can change the temperature of absorbent thus, in order to further improve the absorption efficiency of absorption plant and the analyzing efficiency of desorption apparatus.
According to embodiments of the invention, described desorption apparatus further comprises: reboiler, and described reboiler is connected with described desorption apparatus, and described reboiler has steam inlet.Can further heat desulfurizing agent thus, in order to improve the efficiency that desulfurizing agent is resolved sulfur dioxide.
According to embodiments of the invention, described desorption apparatus further comprises: the regeneration gas separator, described regeneration gas separator is arranged between described desorption apparatus and described gas quench system, and with described sulfur dioxide gas outlet, with described gas quench system, is connected respectively.Can further from sulfur dioxide gas, isolate highly purified sulfur dioxide thus.
According to embodiments of the invention, the said equipment further comprises: the sulfur dioxide liquid storage tank, described sulfur dioxide liquid storage tank is connected with described compression set.
According to embodiments of the invention, the said equipment further comprises: tail gas funnel, described tail gas funnel is connected with described exhanst gas outlet.Thus can be by flue gas to high altitude discharge.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 utilizes sulfur dioxide flue gas to prepare the structural representation of the equipment of sulfur dioxide liquid according to an embodiment of the invention.
The specific embodiment
Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only mean that the First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1, the equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid of the embodiment of the present invention is described in detail.
In certain embodiments, the equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid comprises: absorption plant 100, desorption apparatus 200, gas quench system 300, drying device 400 and compression set 500.
The above-mentioned purpose of utilizing equipment that sulfur dioxide flue gas prepares sulfur dioxide liquid can reach recycling sulphur resource of the present invention, compared with prior art, the secondary pollution problem of having avoided conventional process sulfur dioxide to cause, realized to greatest extent again the regeneration of sulphur resource simultaneously and recycled.
According to a particular embodiment of the invention, as shown in Figure 1, absorption plant 100 has low concentration sulphur dioxide flue gas entrance 101, exhanst gas outlet 102, and is provided with sulfur dioxide absorbent (not shown) in absorption plant 100; Desorption apparatus 200 has sulfur dioxide gas outlet 201, and desorption apparatus 200 is connected with absorption plant 100, gas quench system 300 is connected with sulfur dioxide gas outlet 201, and drying device 400 is connected with cooling device 300, and compression set 500 is connected with drying device 400.
According to one embodiment of present invention, the said equipment further comprises heat exchanger 110, and heat exchanger 110 is arranged between absorption plant 100 and desorption apparatus 200, and heat exchanger 110 has the absorbent entrance and exit.Can change the temperature of absorbent thus, in order to improve the absorption efficiency of absorption plant 100 and the analyzing efficiency of desorption apparatus 200.
According to embodiments of the invention, desorption apparatus 200 can further include: reboiler 210, and reboiler 210 is connected with desorption apparatus 200, and reboiler 210 has steam inlet 211.Thus by the steam in reboiler 210 can heating absorption the absorbent of sulfur dioxide, in order to make the absorbent fast resolving go out absorbed sulfur dioxide.
According to another embodiment of the invention, desorption apparatus 200 can further include: regeneration gas separator 220, regeneration gas separator 220 is arranged between desorption apparatus 200 and gas quench system 300, and with sulfur dioxide gas outlet 201, with gas quench system 300, be connected respectively, in order to obtain highly purified sulfur dioxide gas.
According to still a further embodiment, the said equipment can further include: sulfur dioxide liquid storage tank 600, sulfur dioxide liquid storage tank 600 is connected with compression set 500.
According to one embodiment of present invention, the said equipment can further include: tail gas funnel 120, tail gas funnel 120 is connected with exhanst gas outlet 102, so as by flue gas to high altitude discharge.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can be changed above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (6)
1. an equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid, is characterized in that, comprising:
Absorption plant, described absorption plant has low concentration sulphur dioxide flue gas entrance, exhanst gas outlet, and is provided with the sulfur dioxide absorbent in described absorption plant;
Desorption apparatus, described desorption apparatus has sulfur dioxide gas outlet, and described desorption apparatus is connected with described absorption plant,
Gas quench system, described gas quench system is connected with the sulfur dioxide gas outlet,
Drying device, described drying device is connected with described cooling device, and
Compression set, described compression set is connected with described drying device.
2. the equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid according to claim 1, is characterized in that, further comprises heat exchanger, and described heat exchanger is arranged between described absorption plant and described desorption apparatus.
3. the equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid according to claim 1 and 2, is characterized in that, described desorption apparatus further comprises:
Reboiler, described reboiler is connected with described desorption apparatus, and described reboiler has steam inlet.
4. according to the described equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid of any one in claim 1-3, it is characterized in that, described desorption apparatus further comprises:
The regeneration gas separator, described regeneration gas separator is arranged between described desorption apparatus and described gas quench system, and with described sulfur dioxide gas outlet, with described gas quench system, is connected respectively.
5. according to the described equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid of any one in claim 1-4, it is characterized in that, further comprise:
The sulfur dioxide liquid storage tank, described sulfur dioxide liquid storage tank is connected with described compression set.
6. according to the described equipment that utilizes sulfur dioxide flue gas to prepare sulfur dioxide liquid of any one in claim 1-5, it is characterized in that, further comprise:
Tail gas funnel, described tail gas funnel is connected with described exhanst gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468092.1A CN103480245A (en) | 2013-10-09 | 2013-10-09 | Equipment for preparing liquid sulfur dioxide by utilizing sulfur dioxide flue gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468092.1A CN103480245A (en) | 2013-10-09 | 2013-10-09 | Equipment for preparing liquid sulfur dioxide by utilizing sulfur dioxide flue gas |
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| CN103480245A true CN103480245A (en) | 2014-01-01 |
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| CN201310468092.1A Pending CN103480245A (en) | 2013-10-09 | 2013-10-09 | Equipment for preparing liquid sulfur dioxide by utilizing sulfur dioxide flue gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386653A (en) * | 2014-10-24 | 2015-03-04 | 云南亚太环境工程设计研究有限公司 | Method for producing liquid sulfur dioxide by using sulfur-containing flue gas |
| CN113694676A (en) * | 2021-07-23 | 2021-11-26 | 河北光兴半导体技术有限公司 | Waste gas treatment equipment and glass production system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262850A (en) * | 1999-03-23 | 2000-09-26 | Chiyoda Corp | Flue-gas desulfurization method and system therefor |
| CN202785647U (en) * | 2012-06-20 | 2013-03-13 | 重庆三圣特种建材股份有限公司 | Production system of liquid sulfur dioxide |
| CN203494369U (en) * | 2013-10-09 | 2014-03-26 | 中国恩菲工程技术有限公司 | Device for preparing liquid sulfur dioxide by using sulfur dioxide flue gas |
-
2013
- 2013-10-09 CN CN201310468092.1A patent/CN103480245A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000262850A (en) * | 1999-03-23 | 2000-09-26 | Chiyoda Corp | Flue-gas desulfurization method and system therefor |
| CN202785647U (en) * | 2012-06-20 | 2013-03-13 | 重庆三圣特种建材股份有限公司 | Production system of liquid sulfur dioxide |
| CN203494369U (en) * | 2013-10-09 | 2014-03-26 | 中国恩菲工程技术有限公司 | Device for preparing liquid sulfur dioxide by using sulfur dioxide flue gas |
Non-Patent Citations (2)
| Title |
|---|
| 单玉才: "硫磺在空气中燃烧制液体SO2工艺探讨及三废处理", 《安徽化工》, vol. 33, no. 2, 30 April 2007 (2007-04-30), pages 44 - 45 * |
| 纪罗军: "我国液体二氧化硫的生产现状与前景", 《硫酸工业》, no. 3, 30 June 2007 (2007-06-30) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386653A (en) * | 2014-10-24 | 2015-03-04 | 云南亚太环境工程设计研究有限公司 | Method for producing liquid sulfur dioxide by using sulfur-containing flue gas |
| CN113694676A (en) * | 2021-07-23 | 2021-11-26 | 河北光兴半导体技术有限公司 | Waste gas treatment equipment and glass production system |
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Application publication date: 20140101 |