CN115043381A - Sulfur saturated mother liquor regeneration and recycling device and operation method thereof - Google Patents
Sulfur saturated mother liquor regeneration and recycling device and operation method thereof Download PDFInfo
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- CN115043381A CN115043381A CN202210765301.8A CN202210765301A CN115043381A CN 115043381 A CN115043381 A CN 115043381A CN 202210765301 A CN202210765301 A CN 202210765301A CN 115043381 A CN115043381 A CN 115043381A
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- sulfur
- mother liquor
- stabilizer
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- solvent
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/12—Insoluble sulfur (mu-sulfur)
Abstract
The invention discloses a device for regenerating and recycling sulfur saturated mother liquor and an operation method thereof. The device comprises a sulfur saturated mother liquor regeneration system and a recycling system of regenerated products. The sulfur saturated mother liquor regeneration system comprises a sulfur saturated mother liquor tank, a sulfur saturated mother liquor metering tank, a sulfur saturated mother liquor regeneration kettle, a liquid sulfur metering tank, a nitrogen filter-pressing tank and a liquid sulfur delivery pump; the recycling system of the regenerated product comprises a 1# solvent-stabilizer collecting condenser, a 1# solvent-stabilizer metering tank, a solvent-stabilizer storage tank, a 2# recovered solvent-stabilizer condenser and a 2# recovered solvent-stabilizer collecting metering tank. The solvent, the stabilizer and the soluble sulfur separated by the sulfur saturated mother liquor regeneration device become part of raw material sources capable of continuously running after being processed by the recycling device, and the processing device can complete respective system independent circulation of 3 raw materials.
Description
Technical Field
The invention relates to a construction and operation method of a sulfur saturated mother liquor regeneration and recycling device in the production process of insoluble sulfur (IS90), belongs to the technical field of configuration operation of insoluble sulfur (IS90) production equipment, also belongs to the technical field of environmental protection of insoluble sulfur (IS90) production enterprises, and particularly relates to a polymerization reaction in which a soluble liquid sulfur, which IS a byproduct after the regeneration of the sulfur saturated mother liquor, returns to a production system again to continuously participate in the production of the insoluble sulfur (IS 90).
Background
In the production technology of insoluble sulfur (IS90), no matter the process IS a water process or a solvent process, or a low-temperature process or a high-temperature process, the soluble sulfur and the stabilizer recovered from the regeneration of the sulfur saturated mother liquor can not be completely recycled by a production system.
Most enterprises in China can only effectively separate out carbon disulfide serving as a solvent, and the soluble sulfur and the stabilizer cannot meet the separation requirement, so that most enterprises treat the recovered soluble sulfur as waste materials.
The main reason that the recovered soluble sulfur cannot be recycled is that various impurities are mixed in the production process, and some domestic enterprises try to recycle the sulfur, but the recycling is failed, and the basic reason is that the recovered sulfur has complex components and is difficult to effectively separate the soluble sulfur from the stabilizer.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a sulfur saturated mother liquor regeneration and recycling device and an operation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
a sulfur saturated mother liquor regeneration and cyclic utilization device comprises a sulfur saturated mother liquor regeneration system and a cyclic utilization system of a regenerated product; wherein:
the sulfur saturated mother liquor regeneration system comprises a sulfur saturated mother liquor tank, a sulfur saturated mother liquor metering tank, a sulfur saturated mother liquor regeneration kettle, a liquid sulfur metering tank, a nitrogen filter-pressing tank and a liquid sulfur delivery pump which are connected in sequence;
the recycling system of the regenerated product comprises a sulfur saturated mother liquor tank, a sulfur saturated mother liquor metering tank, a sulfur saturated mother liquor regeneration kettle, a 1# solvent-stabilizer collecting condenser, a 1# solvent-stabilizer metering tank, a solvent-stabilizer storage tank, a 2# recovered solvent-stabilizer condenser and a 2# recovered solvent-stabilizer collecting metering tank, wherein the sulfur saturated mother liquor tank, the sulfur saturated mother liquor metering tank, the sulfur saturated mother liquor regeneration kettle, the 1# solvent-stabilizer collecting condenser, the 1# solvent-stabilizer metering tank, the solvent-stabilizer storage tank, the 2# recovered solvent-stabilizer condenser and the 2# recovered solvent-stabilizer collecting metering tank are connected in sequence.
Further, the sulfur mother liquor in the sulfur saturated mother liquor tank comes from the quenching tank.
Further, the solvent-stabilizer in the solvent-stabilizer storage tank goes to the quenching tank.
Further, the sulfur in the nitrogen filter-pressing tank is delivered to the raw material tank through a liquid sulfur delivery pump.
An operation method of a sulfur saturated mother liquor regeneration and recycling device comprises the following steps:
collecting the sulfur saturated mother liquor to be regenerated into a sulfur saturated mother liquor tank, lifting the sulfur saturated mother liquor to a sulfur saturated mother liquor metering tank through a liquid pump, and adding the sulfur saturated mother liquor into a sulfur saturated mother liquor regeneration kettle after metering;
condensing the vaporized solvent and the stabilizer by a No. 1 solvent-stabilizer condenser to form a liquid, collecting the liquid in a No. 1 solvent-stabilizer metering tank, and putting the liquid in a solvent-stabilizer storage tank after metering;
feeding the kettle residual liquid-soluble liquid sulfur in a sulfur saturated mother liquor regeneration kettle into a liquid sulfur metering tank, separating superheated solvent and over-heat stabilizer steam brought out by the soluble sulfur, condensing the over-heat stabilizer steam through a No. 2 recovered solvent-stabilizer condenser, collecting the condensed over-heat stabilizer steam in a No. 2 recovered solvent-stabilizer collecting metering tank for enrichment and metering, and finally discharging the condensed over-heat stabilizer steam into a solvent-stabilizer storage tank for recycling; metering the residual liquid-soluble sulfur in a liquid sulfur metering tank, feeding the residual liquid-soluble sulfur into a nitrogen filter-pressing tank to remove mechanical impurities, conveying the filter-pressed and impurity-removed liquid sulfur to a sulfur raw material metering tank by using a liquid sulfur conveying pump, and feeding the liquid sulfur into an insoluble sulfur production circulating system according to the proportion requirement.
Compared with the prior art, the invention has the beneficial effects that:
the solvent, the stabilizer and the soluble sulfur separated by the sulfur saturated mother liquor regeneration device become part of raw material sources which can continuously run after being processed by the recycling device, and the processing device can complete respective system independent circulation of 3 raw materials.
The residual liquid-soluble sulfur in the sulfur saturated mother liquid regeneration kettle device adopts a secondary separation and recovery mode, can properly treat the superheated solvent and the stabilizer steam brought out from the device, and can avoid the occurrence of burning or explosion accidents in the process of recovering the sulfur.
Drawings
FIG. 1 is a block functional partition diagram of the apparatus of the present invention;
FIG. 2 is a schematic diagram of the structure of the device of the present invention.
The reference numerals are explained below:
01. a sulfur saturated mother liquor tank; 02. a solvent-stabilizer reservoir; 03. a nitrogen pressure filtration tank; 04. a liquid sulfur delivery pump; 05. a liquid sulfur metering tank; 06. a recovered solvent-stabilizer collection metering tank 2 #; 07. 2# recovery solvent-stabilizer condenser; 08. a sulfur saturated mother liquor metering tank; 09. a sulfur saturated mother liquor regeneration kettle; 10. 1# solvent-stabilizer condenser; 11. 1# solvent-stabilizer metering tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the sulfur saturated mother liquor regeneration and recycling device of the present embodiment can be divided into a sulfur saturated mother liquor regeneration system a and a recycled product recycling system B according to different functions. The regeneration and recycling device composed of the sulfur saturated mother liquor regeneration system A and the recycled product recycling system B IS mainly used for recycling soluble sulfur waste residues and other solid wastes generated in the whole insoluble sulfur (IS90) production industry, and reduces the harm of a waste stacking site and a waste storage process to the environment, so that the resource utilization rate IS effectively improved, and the purposes of saving resources, protecting the environment and reducing the cost are further realized. Wherein:
as shown in fig. 2, the sulfur saturated mother liquor regeneration system a comprises a sulfur saturated mother liquor tank 01, a sulfur saturated mother liquor metering tank 08, a sulfur saturated mother liquor regeneration kettle 09, a liquid sulfur metering tank 05, a nitrogen filter-pressing tank 03 and a liquid sulfur delivery pump 04 which are connected in sequence. The sulfur mother liquor in the sulfur saturated mother liquor tank 01 comes from the quenching tank, and the sulfur in the nitrogen filter-pressing tank 03 is delivered to the raw material tank through the liquid sulfur delivery pump 04.
As shown in fig. 2, the recycling system B of the recycled product includes a sulfur saturated mother liquor tank 01, a sulfur saturated mother liquor metering tank 08, a sulfur saturated mother liquor regeneration kettle 09, a 1# solvent-stabilizer collection condenser 10, a 1# solvent-stabilizer metering tank 11, a solvent-stabilizer storage tank 02, a 2# recovered solvent-stabilizer condenser 07 connected between the liquid sulfur metering tank 05 and the solvent-stabilizer storage tank 02, and a 2# recovered solvent-stabilizer collection metering tank 06 connected in sequence. The solvent-stabilizer in the solvent-stabilizer storage tank 02 goes to a quenching tank.
The operation method of the device for regenerating and recycling the sulfur saturated mother liquor comprises the following steps:
in the production process, the sulfur saturated mother liquor to be regenerated is collected in a sulfur saturated mother liquor tank 01, is lifted to a sulfur saturated mother liquor metering tank 08 through a liquid pump, and is added into a sulfur saturated mother liquor regeneration kettle 09 after being metered. Heating treatment with steam:
the vaporized solvent and the stabilizer are condensed by a No. 1 solvent-stabilizer condenser 10 to become liquid, and are collected in a No. 1 solvent-stabilizer metering tank 11, and the liquid is put into a solvent-stabilizer storage tank 02 after being metered;
and (3) feeding the kettle residual liquid-soluble liquid sulfur in the sulfur saturated mother liquor regeneration kettle 09 into a liquid sulfur metering tank 05 and separating superheated solvent and superheated stabilizer steam brought out by the soluble sulfur. Wherein: after heat stabilizer steam is condensed by a No. 2 recovered solvent-stabilizer condenser 07, the heat stabilizer steam is collected in a No. 2 recovered solvent-stabilizer collection metering tank 06 for enrichment and metering, and finally discharged into a solvent-stabilizer storage tank 02 for recycling; and after metering the residual liquid-soluble sulfur in the regeneration kettle by a liquid sulfur metering tank 05, feeding the residual liquid-soluble sulfur into a nitrogen filter-pressing tank 03 to remove mechanical impurities, and feeding the filter-pressed and impurity-removed liquid sulfur into a sulfur raw material metering tank by a liquid sulfur conveying pump 04 and feeding the liquid sulfur into an insoluble sulfur (IS90) production circulating system according to the proportion requirement.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A device for regenerating and recycling sulfur saturated mother liquor is characterized by comprising a sulfur saturated mother liquor regeneration system and a recycling system of a regenerated product; wherein:
the sulfur saturated mother liquor regeneration system comprises a sulfur saturated mother liquor tank, a sulfur saturated mother liquor metering tank, a sulfur saturated mother liquor regeneration kettle, a liquid sulfur metering tank, a nitrogen filter-pressing tank and a liquid sulfur delivery pump which are connected in sequence;
the recycling system of the regenerated product comprises a sulfur saturated mother liquor tank, a sulfur saturated mother liquor metering tank, a sulfur saturated mother liquor regeneration kettle, a 1# solvent-stabilizer collection condenser, a 1# solvent-stabilizer metering tank, a solvent-stabilizer storage tank, a 2# recovered solvent-stabilizer condenser and a 2# recovered solvent-stabilizer collection metering tank, wherein the sulfur saturated mother liquor tank, the sulfur saturated mother liquor metering tank, the sulfur saturated mother liquor regeneration kettle, the 1# solvent-stabilizer collection condenser, the 1# solvent-stabilizer metering tank, the solvent-stabilizer storage tank, the 2# recovered solvent-stabilizer condenser and the 2# recovered solvent-stabilizer collection metering tank are sequentially connected.
2. The apparatus as claimed in claim 1, wherein the sulfur mother liquor in the sulfur saturation mother liquor tank is from the quenching tank.
3. The apparatus according to claim 1, wherein the solvent-stabilizer in the solvent-stabilizer storage tank is fed to the quenching tank.
4. The apparatus according to claim 1, wherein the sulfur in the nitrogen filter-pressing tank is pumped to the raw material tank by a liquid sulfur pump.
5. An operation method of a sulfur saturated mother liquor regeneration and recycling device is characterized by comprising the following steps:
collecting the sulfur saturated mother liquor to be regenerated into a sulfur saturated mother liquor tank, lifting the sulfur saturated mother liquor to a sulfur saturated mother liquor metering tank through a liquid pump, and adding the sulfur saturated mother liquor into a sulfur saturated mother liquor regeneration kettle after metering;
condensing the vaporized solvent and the stabilizer by a No. 1 solvent-stabilizer condenser to form a liquid, collecting the liquid in a No. 1 solvent-stabilizer metering tank, and putting the liquid in a solvent-stabilizer storage tank after metering;
feeding the kettle residual liquid-soluble liquid sulfur in a sulfur saturated mother liquor regeneration kettle into a liquid sulfur metering tank, separating superheated solvent and over-heat stabilizer steam brought out by the soluble sulfur, condensing the over-heat stabilizer steam through a No. 2 recovered solvent-stabilizer condenser, collecting the condensed over-heat stabilizer steam in a No. 2 recovered solvent-stabilizer collecting metering tank for enrichment and metering, and finally discharging the condensed over-heat stabilizer steam into a solvent-stabilizer storage tank for recycling; and the residual liquid-soluble sulfur in the regeneration kettle is measured by a liquid sulfur measuring tank, enters a nitrogen filter-pressing tank to remove mechanical impurities, and the liquid sulfur after filter-pressing and impurity removal is conveyed to a sulfur raw material measuring tank by a liquid sulfur conveying pump and enters an insoluble sulfur production circulating system according to the proportion requirement.
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| JP2007216177A (en) * | 2006-02-17 | 2007-08-30 | Sansho Reiki Seisakusho:Kk | Solvent continuously-recovering-and-regenerating apparatus, its operation method and production method of solvent using solvent continuously-recovering-and-regenerating apparatus |
| CN101654225A (en) * | 2009-09-14 | 2010-02-24 | 杭州电子科技大学 | Method for continuously recovering sulfur from sulfur foam |
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| CN106744708A (en) * | 2017-03-06 | 2017-05-31 | 杨松 | A kind of application method for preparing insoluble sulfur process unit |
| CN109835873A (en) * | 2019-03-27 | 2019-06-04 | 淮北师范大学 | The device and method for producing sulphur from sulfur-bearing waste residue |
| CN113247866A (en) * | 2021-05-18 | 2021-08-13 | 山东阳谷华泰化工股份有限公司 | Extraction method and equipment for insoluble sulfur |
| CN113860268A (en) * | 2021-11-18 | 2021-12-31 | 常州工学院 | Insoluble sulfur continuous production screening tank and processing method thereof |
-
2022
- 2022-07-01 CN CN202210765301.8A patent/CN115043381B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007216177A (en) * | 2006-02-17 | 2007-08-30 | Sansho Reiki Seisakusho:Kk | Solvent continuously-recovering-and-regenerating apparatus, its operation method and production method of solvent using solvent continuously-recovering-and-regenerating apparatus |
| CN101654225A (en) * | 2009-09-14 | 2010-02-24 | 杭州电子科技大学 | Method for continuously recovering sulfur from sulfur foam |
| CN104555942A (en) * | 2013-10-12 | 2015-04-29 | 江苏宏泰橡胶助剂有限公司 | Preparation device of high-quality insoluble sulphur |
| CN106582499A (en) * | 2017-03-06 | 2017-04-26 | 杨松 | Usage method of processing device for preparing volatile organic compound exhaust gas activated adsorbent |
| CN106744708A (en) * | 2017-03-06 | 2017-05-31 | 杨松 | A kind of application method for preparing insoluble sulfur process unit |
| CN109835873A (en) * | 2019-03-27 | 2019-06-04 | 淮北师范大学 | The device and method for producing sulphur from sulfur-bearing waste residue |
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| CN113860268A (en) * | 2021-11-18 | 2021-12-31 | 常州工学院 | Insoluble sulfur continuous production screening tank and processing method thereof |
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