CN205170407U - Purification anhydrous lithium chloride's composite set among mixtures of follow sodium chloride and lithium chloride - Google Patents
Purification anhydrous lithium chloride's composite set among mixtures of follow sodium chloride and lithium chloride Download PDFInfo
- Publication number
- CN205170407U CN205170407U CN201520530485.5U CN201520530485U CN205170407U CN 205170407 U CN205170407 U CN 205170407U CN 201520530485 U CN201520530485 U CN 201520530485U CN 205170407 U CN205170407 U CN 205170407U
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- Prior art keywords
- lithium chloride
- moisture eliminator
- whizzer
- composite set
- chloride
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- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 title claims abstract description 94
- 239000000203 mixture Substances 0.000 title claims abstract description 26
- 238000000746 purification Methods 0.000 title abstract description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title abstract 4
- 239000002131 composite material Substances 0.000 title abstract 4
- 239000011780 sodium chloride Substances 0.000 title abstract 2
- 239000002904 solvent Substances 0.000 claims abstract description 41
- 238000002425 crystallisation Methods 0.000 claims abstract description 10
- 230000008025 crystallization Effects 0.000 claims abstract description 10
- 238000004090 dissolution Methods 0.000 claims description 19
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 17
- 239000002151 riboflavin Substances 0.000 claims description 6
- 239000004149 tartrazine Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 22
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 5
- 238000005119 centrifugation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 229920000265 Polyparaphenylene Polymers 0.000 description 7
- -1 polyphenylene Polymers 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- 230000019086 sulfide ion homeostasis Effects 0.000 description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a purification anhydrous lithium chloride's composite set among mixtures of follow sodium chloride and lithium chloride, it includes and dissolves buffer tank (V -101), centrifugal separator (M -101), evaporated crystallizer (V -103) and desicator (D -101) through what the pipeline communicate in proper order, wherein it has colvent inlet (1) and mixtures entry (2) on the buffer tank (V -101) to dissolve, insoluble matter export (3) has on the centrifugal separator (M -101), anhydrous lithium chloride export (4) has on the desicator (D -101). The utility model discloses a process flow such as composite set can realize dissolving, centrifugation, evaporation crystallization, drying to realize continuous operation, the device operates simple accurate, and does not use outer solubilizer, and no waste liquid discharge is the novel composite set of a high -efficient environmental protection.
Description
Technical field
The utility model belongs to field of chemical equipment, is specifically related to a kind of combination unit of anhydrous chlorides of rase lithium catalyst of purifying from the mixture of sodium-chlor and lithium chloride.
Background technology
Lithium chloride, as the catalyzer in polyphenylene sulfide (PPS) production process, has high using value.In polyphenylene sulphide production process process, the character of lithium chloride itself does not change, therefore this technique liquid and waste slag produced in mixture containing sodium-chlor and lithium chloride, recycling can be carried out by the continuous processing of combination unit to lithium chloride.In related production technical process in the past, lithium chloride is mixed in waste residue and directly processes, and causes the loss of economic benefit.The production technique of current purification Lithium chloride (anhydrous) takes interval unit operation mode substantially, and this kind of technique is mainly divided into following components: lithium chloride stock liquid removal of impurities filtration, condensing crystal, centrifugally operated, dry cooling and liquid waste disposal etc.This production technique has the problems such as operation is discontinuous, energy consumption is high, the lithium chloride rate of recovery is low and occupation area of equipment is large.
Therefore, this area is in the urgent need to a kind of novel compositions device of Lithium chloride (anhydrous) of purifying from the mixture of sodium-chlor and lithium chloride.
Utility model content
The purpose of this utility model is to provide a kind of novel combination unit, to purify Lithium chloride (anhydrous) from the mixture of sodium-chlor and lithium chloride.This combination unit needs can realize operate continuously and high-efficiency environment friendly.
The utility model relates to a kind of combination unit of Lithium chloride (anhydrous) of purifying from the mixture of sodium-chlor and lithium chloride, and it comprises the dissolving surge tank V-101, whizzer M-101, evaporative crystallizer V-103 and the moisture eliminator D-101 that are communicated with successively by pipeline; Wherein said dissolving surge tank V-101 have colvent inlet 1 and mixture entrance 2; Described whizzer M-101 has insolubles outlet 3, described moisture eliminator D-101 has Lithium chloride (anhydrous) outlet 4.
In the preferred embodiment of the utility model, described whizzer M-101, described moisture eliminator D-101 and/or described evaporative crystallizer V-103 also has solvent outlet respectively, and respectively by described solvent outlet and dissolution with solvents groove V-102 pipeline connection, wherein between described moisture eliminator D-101 and described dissolution with solvents groove V-102, also there is dry condenser E-102, between described evaporative crystallizer V-103 and described dissolution with solvents groove V-102, also there is evaporative crystallization condenser E-101.
Wherein, if when getting rid of after described whizzer M-101 is centrifugal that in the upper solution of lower floor's insolubles, lithium chloride concentration is not high, this upper solution can be transported in described dissolution with solvents groove V-102 by the solvent outlet on described whizzer M-101 and carry out recycled solvent or the solvent in described dissolution with solvents groove V-102 passed into again the enrichment carrying out lithium chloride in described dissolving surge tank V-101.
In the preferred embodiment of the utility model, described whizzer M-101 is horizontal screw centrifuge.
In the preferred embodiment of the utility model, described moisture eliminator D-101 is rake type dryer.
Device operating process of the present utility model is as follows:
First make to enter in described dissolving surge tank V-101 from the liquid and waste slag produced of polyphenylene sulphide production process by described mixture entrance 2, a small amount of N-Methyl pyrrolidone (NMP) solvent is entered in described dissolving surge tank V-101 by described colvent inlet 1, obtains mixed liquor.Wherein from the liquid and waste slag produced mixture be mainly containing sodium-chlor and lithium chloride of polyphenylene sulphide production process, be called for short lithium chloride crude product.Due to nmp solvent to the solubleness of lithium chloride far above sodium-chlor, therefore in this process, utilize nmp solvent to the different solubilities of two kinds of salt, the lithium chloride in waste residue is as often as possible dissolved in nmp solvent, in the process, can by stirring accelerate dissolution.Then above-mentioned mixed liquor is made to enter in described whizzer M-101, through centrifugal, be that the insolubles of sodium-chlor is directly discharged via described insolubles outlet 3 by main component, the clear liquid being rich in lithium chloride is made to enter described evaporative crystallizer V-103, purified by evaporative crystallization, make material enter described moisture eliminator D-101 further subsequently, described moisture eliminator D-101 uses thermal oil thermostatically heating, Heating temperature is high, and refining effect is good; Can obtain the Lithium chloride (anhydrous) product of purity more than 90% after drying, the rate of recovery can reach 95%.Wherein said insolubles can be purified further, obtains sodium-chlor byproduct.In the entire system, described whizzer M-101 is mainly utilized to remove sodium-chlor, described evaporative crystallizer V-103 purification lithium chloride, described moisture eliminator D-101 depth drying lithium chloride; Whole technical process under reduced pressure operates, and makes the separation refinement more of component.
Preferably, in whole technological process, through the centrifugal liquid composition obtained in described whizzer M-101, or the gaseous state nmp solvent produced in described evaporative crystallizer V-103 is through the condensation of described evaporative crystallization condenser E-101, or the gaseous state nmp solvent produced in described moisture eliminator D-101 all can enter in described dissolution with solvents groove V-102 through the condensation of described dry condenser E-102, nmp solvent in described dissolution with solvents groove V-102 recycles getting back in polyphenylene thioether PPS production technique or enters described dissolving surge tank V-101 from described colvent inlet 1 as the initial solvent used that needs.
Combination unit of the present utility model has the following advantages:
1, combination unit of the present utility model is by technical process such as mixed dissolution, centrifugal, evaporative crystallization, drying, can realize operate continuously, and make the separation of product more efficient, the purity of acquisition lithium chloride is higher; And operation of equipment is simple and easy to do, and do not use plus solvent, discharging without waste liquid, is a kind of novel compositions device of high-efficiency environment friendly.
2, this combination unit can use the solvent NMP in polyphenylene sulphide production process, and whole process does not introduce new impurity, and realizes recycling of NMP, effectively reduces process cost, creates good environment protecting and economic benefit.
Accompanying drawing explanation
Fig. 1 is the novel compositions device schematic diagram of Lithium chloride (anhydrous) of purifying from the mixture of sodium-chlor and lithium chloride of the present utility model.
Wherein each Reference numeral has following implication:
V-101: dissolve surge tank; V-102: dissolution with solvents groove; V-103: evaporative crystallizer; M-101: whizzer; D-101: moisture eliminator; E-101: evaporative crystallization condenser; E-102: dry condenser;
1: colvent inlet; 2: mixture entrance; 3: insolubles exports; 4: Lithium chloride (anhydrous) exports.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is explained in further detail, should be appreciated that embodiment is only illustrative, and not restrictive.
Embodiment 1
The combination unit of Lithium chloride (anhydrous) of purifying from the mixture of sodium-chlor and lithium chloride as shown in Figure 1, it comprises the dissolving surge tank V-101, whizzer M-101, evaporative crystallizer V-103 and the moisture eliminator D-101 that are communicated with successively by pipeline; Wherein said dissolving surge tank V-101 have colvent inlet 1 and mixture entrance 2; Described whizzer M-101 has insolubles outlet 3, described moisture eliminator D-101 has Lithium chloride (anhydrous) outlet 4.Described whizzer M-101, described moisture eliminator D-101 and/or described evaporative crystallizer V-103 also has solvent outlet respectively, and respectively by described solvent outlet and dissolution with solvents groove V-102 pipeline connection, wherein between described moisture eliminator D-101 and described dissolution with solvents groove V-102, also there is dry condenser E-102, between described evaporative crystallizer V-103 and described dissolution with solvents groove V-102, also there is evaporative crystallization condenser E-101.Wherein, described whizzer M-101 is horizontal screw centrifuge; Described moisture eliminator D-101 is rake type dryer.
This combination unit operating process is as follows:
First make to enter in described dissolving surge tank V-101 from the liquid and waste slag produced of polyphenylene sulphide production process by described mixture entrance 2, a small amount of N-Methyl pyrrolidone (NMP) solvent is entered in described dissolving surge tank V-101 by described colvent inlet 1, obtains mixed liquor.In the process, by stirring accelerate dissolution.Then above-mentioned mixed liquor is made to enter in described whizzer M-101, through centrifugal, be that the insolubles of sodium-chlor is directly discharged via described insolubles outlet 3 by main component, the clear liquid being rich in lithium chloride is made to enter described evaporative crystallizer V-103, purified by evaporative crystallization, make material enter described moisture eliminator D-101 further subsequently, described moisture eliminator D-101 uses thermal oil thermostatically heating, Heating temperature is high, and refining effect is good; Obtain the Lithium chloride (anhydrous) product of purity 95% after drying, the rate of recovery reaches 95%.Wherein described insolubles is purified further, obtain sodium-chlor byproduct.Whole technical process under reduced pressure operates.
In whole technological process, through the centrifugal liquid composition obtained in described whizzer M-101, the gaseous state nmp solvent produced in described evaporative crystallizer V-103 is through the condensation of described evaporative crystallization condenser E-101, the gaseous state nmp solvent produced in described moisture eliminator D-101 all enters in described dissolution with solvents groove V-102 through the condensation of described dry condenser E-102, nmp solvent in described dissolution with solvents groove V-102 recycles getting back in polyphenylene thioether PPS production technique or enters described dissolving surge tank V-101 from described colvent inlet 1 as the initial solvent used that needs.
The novel compositions device of the Lithium chloride (anhydrous) of purifying from the mixture of sodium-chlor and lithium chloride that the utility model proposes, be described by preferred embodiment, the part wherein do not addressed in detail is the common practise of those skilled in the art.Protection domain of the present utility model is as the criterion with the content of claim, all based on technology of the present utility model enlightenment or similar replacement and change, is all deemed to be included in the utility model spirit, scope and content.
Claims (4)
1. the combination unit of Lithium chloride (anhydrous) of purifying from the mixture of sodium-chlor and lithium chloride, it is characterized in that, it comprises the dissolving surge tank (V-101), whizzer (M-101), evaporative crystallizer (V-103) and the moisture eliminator (D-101) that are communicated with successively by pipeline; Wherein said dissolving surge tank (V-101) have colvent inlet (1) and mixture entrance (2); Described whizzer (M-101) has insolubles outlet (3), described moisture eliminator (D-101) has Lithium chloride (anhydrous) outlet (4).
2. combination unit according to claim 1, it is characterized in that, described whizzer (M-101), described moisture eliminator (D-101) and/or described evaporative crystallizer (V-103) also has solvent outlet respectively, and respectively by described solvent outlet and dissolution with solvents groove (V-102) pipeline connection, wherein between described moisture eliminator (D-101) and described dissolution with solvents groove (V-102), also there is dry condenser (E-102), also there is evaporative crystallization condenser (E-101) between described evaporative crystallizer (V-103) and described dissolution with solvents groove (V-102).
3. combination unit according to claim 1 and 2, is characterized in that, described whizzer (M-101) is horizontal screw centrifuge.
4. combination unit according to claim 1 and 2, is characterized in that, described moisture eliminator (D-101) is rake type dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530485.5U CN205170407U (en) | 2015-07-21 | 2015-07-21 | Purification anhydrous lithium chloride's composite set among mixtures of follow sodium chloride and lithium chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530485.5U CN205170407U (en) | 2015-07-21 | 2015-07-21 | Purification anhydrous lithium chloride's composite set among mixtures of follow sodium chloride and lithium chloride |
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| Publication Number | Publication Date |
|---|---|
| CN205170407U true CN205170407U (en) | 2016-04-20 |
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| CN201520530485.5U Active CN205170407U (en) | 2015-07-21 | 2015-07-21 | Purification anhydrous lithium chloride's composite set among mixtures of follow sodium chloride and lithium chloride |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186006A (en) * | 2016-07-27 | 2016-12-07 | 浙江鸿浩科技有限公司 | A kind of purifying lithium chloride method |
| CN114590825A (en) * | 2022-02-28 | 2022-06-07 | 湖北金泉新材料有限公司 | Purification method and purification equipment for sodium-containing lithium chloride |
-
2015
- 2015-07-21 CN CN201520530485.5U patent/CN205170407U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186006A (en) * | 2016-07-27 | 2016-12-07 | 浙江鸿浩科技有限公司 | A kind of purifying lithium chloride method |
| CN106186006B (en) * | 2016-07-27 | 2017-08-25 | 浙江鸿浩科技有限公司 | A kind of purifying lithium chloride method |
| CN114590825A (en) * | 2022-02-28 | 2022-06-07 | 湖北金泉新材料有限公司 | Purification method and purification equipment for sodium-containing lithium chloride |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231220 Address after: 434499 No. 9 Zhongshan Road, Fuchang Town, Honghu City, Jingzhou City, Hubei Province Patentee after: Hubei Shangde Energy Equipment Engineering Co.,Ltd. Address before: 433226 Zhonghua Road, Fuchang Town, Honghu City, Jingzhou City, Hubei Province Patentee before: HUBEI RUIBANG PETROCHEMICAL EQUIPMENT TECHNOLOGY Co.,Ltd. |