CN202220084U - Production equipment directly extracting sodium sulphate by acid bath - Google Patents
Production equipment directly extracting sodium sulphate by acid bath Download PDFInfo
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- CN202220084U CN202220084U CN2011203034656U CN201120303465U CN202220084U CN 202220084 U CN202220084 U CN 202220084U CN 2011203034656 U CN2011203034656 U CN 2011203034656U CN 201120303465 U CN201120303465 U CN 201120303465U CN 202220084 U CN202220084 U CN 202220084U
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- preheater
- acid bath
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- sodium sulfate
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Abstract
The utility model discloses production equipment directly extracting sodium sulphate by acid bath. The production equipment comprises a primary preheater, a secondary preheater, a heater, a one-effect evaporator and a two-effect evaporator, wherein a steam outlet of the one-effect evaporator is communicated with a steam inlet of the secondary preheater, a steam outlet of the secondary preheater is communicated with a steam inlet of the primary preheater, a steam outlet of the primary preheater and a steam outlet of the two-effect evaporator are both communicated with a condenser, a crystallizer is communicated at a discharge port of the two-effect evaporator, a crystal discharge part at the bottom of the crystallizer is communicated with a concentrator through a salt slurry pump, a discharge port of the concentrator is communicated with a dehydrator, the top part of the crystallizer is communicated with an inlet of a cycling pump through a liquid discharge pipe, an outlet of the cycling pump is communicated with a feeding port of the primary preheater, and an acid bath tank is communicated with the liquid discharge pipe through an acid conveying pump. The equipment is simple in structure, convenient to maintain, low in energy consumption and occupies small area.
Description
Technical field
The utility model relates to a kind of equipment that utilizes acid bath to produce Sodium sulfate anhydrous.min(99).
Background technology
In production process of viscose fiber, be transported to spinning machinery to viscose glue, cellulose xanthate is met the acid back and is produced fiber, and this process is commonly referred to spinning.In the spinning process, acid-base neutralisation forms a large amount of sodium sulfate can influence spinning quality, must sodium sulfate be separated from acid bath.At present; The way of taking to utilize acid bath to produce Sodium sulfate anhydrous.min(99) (SODIUM SULPHATE ANHYDROUS 99PCT) realizes the separation of sodium sulfate from acid bath, and current production devices comprises devices such as evaporation, crystallization, saltcake separation, roasting, Sodium sulfate anhydrous.min(99) separate again, oven dry, that is to say that sodium chloride crystal and Sodium sulfate anhydrous.min(99) are prepared as two cover independent device; Account for that area is big, the table of equipment cover is many and cost is high; Technological operation is numerous and diverse, power consumption high (water, electricity, vapour), and consume a large amount of low-temperature cooling waters.
Summary of the invention
The technical problem that the utility model will solve is to above-mentioned defective, provides a kind of compact construction, acid bath that energy consumption is low directly to extract the production unit of Sodium sulfate anhydrous.min(99).
In order to solve the problems of the technologies described above; The utility model provides a kind of acid bath with following structure directly to extract the production unit of Sodium sulfate anhydrous.min(99); Comprise one-level preheater, secondary preheater, well heater, 1st effective evaporator and the 2nd effect evaporator of serial connection successively, the vapour outlet of 1st effective evaporator is communicated with the steam-in of secondary preheater, and the vapour outlet of secondary preheater is communicated with the steam-in of one-level preheater; The vapour outlet of one-level preheater and 2nd effect evaporator all is communicated with condensing surface; Be communicated with mold on the discharge port of 2nd effect evaporator, the row of mold bottom is communicated with the enrichment device through brine pump for brilliant mouthful, and the discharge gate of enrichment device is communicated with water extracter; The liquid discharge pipe that passes through at mold top is communicated with the inlet of recycle pump, and outlet of circulating pump is communicated with the feeding mouth of one-level preheater, and the acid bath pond is communicated with liquid discharge pipe through sending sour pump.
Be connected with vacuum pump on the said condensing surface.
Said condenser overhead is connected with steam condenser through vapor jet pump.
Said production unit also comprises the oven dry storing device, is provided with feeding device between oven dry storing device and the water extracter.
Said oven dry storing device comprises the drying tower that is connected with hot air apparatus, is connected with tornado dust collector on the discharge port of drying tower, is connected with feed bin in the grit outlet of tornado dust collector.
The production unit of this structure combines evaporation, crystallization, roasting three covering devices, and that the equipment that makes has is simple in structure, easy to maintenance, floor space is few, and low advantage consumes energy.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further to specify:
Fig. 1 is the structural principle synoptic diagram of the utility model.
Embodiment
The production unit of Sodium sulfate anhydrous.min(99) is directly extracted in acid bath as shown in Figure 1; Comprise one-level preheater 1, secondary preheater 2, well heater 3,1st effective evaporator 4 and the 2nd effect evaporator 5 of serial connection successively; The vapour outlet of 1st effective evaporator 4 is communicated with the steam-in of secondary preheater 2; The vapour outlet of secondary preheater 2 is communicated with the steam-in of one-level preheater 1, and the vapour outlet of one-level preheater 1 and 2nd effect evaporator 5 all is communicated with condensing surface 6.Be communicated with vacuum pump 14 on the condensing surface 6; Condensing surface 6 tops are connected with steam condenser 16 through vapor jet pump 15; The water-in of condensing surface 6 and steam condenser 16 is communicated with water cooling pond 21 through pipeline and water pump 20, and the water port of condensing surface 6 and steam condenser 16 is communicated with pond 22 through pipeline.Be communicated with mold 7 on the discharge port of 2nd effect evaporator 5, the row of mold 7 bottoms passes through the brilliant pipe 24 of row for brilliant mouthful and is communicated with enrichment device 9 with brine pump 8, and the discharge gate of enrichment device 9 is communicated with the opening for feed of water extracter 10.Be communicated with one-level gas-liquid separator 23, secondary gas-liquid separator 24 and three grades of gas-liquid separators 25 of serial connection successively on the water outlet of water extracter 10; Be connected with roots blower 26 on the air outlet of three grades of gas-liquid separators 25, the water port of one-level gas-liquid separator 23 and secondary gas-liquid separator 24 is communicated with acid bath groove 27 through pipeline.The liquid discharge pipe 11 that passes through at mold 7 tops is communicated with the inlet of recycle pump 12, and the outlet of recycle pump 12 is communicated with the feeding mouth of one-level preheater 1, and liquid discharge pipe 11 is communicated with acid bath pond 28 through sending sour pump 13.The riser of enrichment device 9 is communicated with acid bath groove 27 through pipeline, and on brilliant pipe 24 of row and the liquid discharge pipe 11, and the bottom of one-level preheater 1, secondary preheater 2 and well heater 3 respectively is provided with the evacuated tube 29 that is communicated with acid bath groove 27.The condensate drain outlet of well heater 3 is communicated with secondary preheater 2 bottoms, and the condensate drain outlet of secondary preheater 2 is communicated with one-level preheater 1 bottom, and the condensate drain outlet of one-level preheater 1 is communicated with water cooling pond 21 through delivery pipe 30.
The production unit that Sodium sulfate anhydrous.min(99) is directly extracted in the acid bath of this structure also comprises the oven dry storing device, is provided with feeding device between oven dry storing device and the water extracter 10.The oven dry storing device comprises the drying tower 17 that is connected with hot air apparatus, is connected with tornado dust collector 18 on the discharge port of drying tower 17, is communicated with wet dust catcher 34 on tornado dust collector 18 air outlets, is connected with feed bin 19 in the grit outlet of tornado dust collector.Feeding device is a helical screw feeder 31, and hot air apparatus is made up of well heater 32 and gas blower 33.
The working process of production unit that Sodium sulfate anhydrous.min(99) is directly extracted in the acid bath of said structure is following: the acid bath in the acid bath pond 28 is by sending sour pump 13 and recycle pump 12 to carry; Through one-level preheater 1, secondary preheater 2 and 3 three grades of heating of well heater, get into 1st effective evaporator 4 more successively and carry out evaporation concentration with 2nd effect evaporator 5; The hot steam that the heat energy utilization 1st effective evaporator 4 of one-level preheater 1 and secondary preheater 2 produces; Residual heat steam drains into condensing surface 6 through the vapour outlet of one-level preheater 1; The hot steam that 2nd effect evaporator 5 produces also drains into condensing surface 6; The hot steam that gets in the condensing surface 6 is mixed with the water of condensation of being sent in the condensing surface 6 by water pump 20; Drain in the pond 22 with water of condensation after forming water, the uncooled hot steam in the condensing surface 6 is delivered to further condensation in the steam condenser 16 by vapor jet pump 15, and water of condensation also drains in the pond 22.The effect that vacuum pump 14 is set is to make the condensing surface 6 inner negative pressure that form, and is beneficial to the entering of hot steam.Acid bath in the 2nd effect evaporator 5 flows into mold 7, and crystal growth becomes the SODIUM SULPHATE ANHYDROUS 99PCT particle, and the SODIUM SULPHATE ANHYDROUS 99PCT solids precipitation continues enrichment and grows up in the bottom of mold 7 in brine pump 8 is squeezed into enrichment device 9.After flowing to liquid discharge pipe 11 and acid bath mixes, the clear liquid on mold 7 tops delivers to one-level preheater 1 by recycle pump 12 again.SODIUM SULPHATE ANHYDROUS 99PCT particle in the enrichment device 9 drains into water extracter 10, after brilliant liquid separates, just makes Sodium sulfate anhydrous.min(99).Water extracter 10 isolated water carry out gas-liquid separation through one-level gas-liquid separator 23, secondary gas-liquid separator 24 and three grades of gas-liquid separators 25, and isolated water flows into acid bath groove 27, and isolated gas is discharged by roots blower 26.Water extracter 10 isolated Sodium sulfate anhydrous.min(99) are separated by tornado dust collector 18 after helical screw feeder 31 is delivered to drying tower 17 dryings, and tornado dust collector 18 isolated Sodium sulfate anhydrous.min(99) flow into feed bin 19, and tornado dust collector 18 isolated gases are through wet dust catcher 34 dischargings.The effect of evacuated tube 29 is when equipment stops to produce, and the acid bath in one-level preheater 1, secondary preheater 2 and the well heater 3 is drained in the acid bath groove 27.The well heater 3 interior steam condensates that produce flow into secondary preheater 2, and the steam condensates that in secondary preheater 2, produce flow in the one-level preheater 1, after refluxing with the one-level preheater 1 interior steam condensate that produces, flow into water cooling ponds 21 through delivery pipe 30 again.
Claims (5)
1. the production unit of Sodium sulfate anhydrous.min(99) is directly extracted in acid bath; It is characterized in that comprising one-level preheater (1), secondary preheater (2), well heater (3), 1st effective evaporator (4) and the 2nd effect evaporator (5) of serial connection successively; The vapour outlet of 1st effective evaporator (4) is communicated with the steam-in of secondary preheater (2); The vapour outlet of secondary preheater (2) is communicated with the steam-in of one-level preheater (1); The vapour outlet of one-level preheater (1) and 2nd effect evaporator (5) all is communicated with condensing surface (6); Be communicated with mold (7) on the discharge port of 2nd effect evaporator (5), the row of mold (7) bottom is communicated with enrichment device (9) through brine pump (8) for brilliant mouthful, and the discharge gate of enrichment device (9) is communicated with water extracter (10); The liquid discharge pipe (11) that passes through at mold (7) top is communicated with the inlet of recycle pump (12), and the outlet of recycle pump (12) is communicated with the feeding mouth of one-level preheater (1), and the acid bath pond is communicated with liquid discharge pipe (11) through sending sour pump (13).
2. the production unit of Sodium sulfate anhydrous.min(99) is directly extracted in acid bath as claimed in claim 1, it is characterized in that being connected with on the said condensing surface (6) vacuum pump (14).
3. the production unit of Sodium sulfate anhydrous.min(99) is directly extracted in acid bath as claimed in claim 1, it is characterized in that said condensing surface (6) top is connected with steam condenser (16) through vapor jet pump (15).
4. directly extract the production unit of Sodium sulfate anhydrous.min(99) like claim 1,2 or 3 described acid baths, it is characterized in that said production unit also comprises the oven dry storing device, be provided with feeding device between oven dry storing device and the water extracter (10).
5. the production unit of Sodium sulfate anhydrous.min(99) is directly extracted in acid bath as claimed in claim 4; It is characterized in that said oven dry storing device comprises the drying tower (17) that is connected with hot air apparatus; Be connected with tornado dust collector (18) on the discharge port of drying tower (17), be connected with feed bin (19) in the grit outlet of tornado dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203034656U CN202220084U (en) | 2011-08-19 | 2011-08-19 | Production equipment directly extracting sodium sulphate by acid bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203034656U CN202220084U (en) | 2011-08-19 | 2011-08-19 | Production equipment directly extracting sodium sulphate by acid bath |
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| Publication Number | Publication Date |
|---|---|
| CN202220084U true CN202220084U (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203034656U Expired - Fee Related CN202220084U (en) | 2011-08-19 | 2011-08-19 | Production equipment directly extracting sodium sulphate by acid bath |
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| CN (1) | CN202220084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510166A (en) * | 2012-06-20 | 2014-01-15 | 杭州奥通科技有限公司 | High wet modulus viscose fiber coagulating bath processing assembly line |
| CN113403710A (en) * | 2021-07-22 | 2021-09-17 | 上海神农节能环保科技股份有限公司 | Treatment method and device suitable for removing sodium sulfate from viscose fiber acid bath |
| CN115253545A (en) * | 2022-07-26 | 2022-11-01 | 唐山三友集团兴达化纤有限公司 | Method and system for recycling dust removal water in viscose staple fiber production process |
-
2011
- 2011-08-19 CN CN2011203034656U patent/CN202220084U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510166A (en) * | 2012-06-20 | 2014-01-15 | 杭州奥通科技有限公司 | High wet modulus viscose fiber coagulating bath processing assembly line |
| CN103510166B (en) * | 2012-06-20 | 2016-01-20 | 杭州奥通科技有限公司 | Koplon coagulating bath process streamline |
| CN113403710A (en) * | 2021-07-22 | 2021-09-17 | 上海神农节能环保科技股份有限公司 | Treatment method and device suitable for removing sodium sulfate from viscose fiber acid bath |
| CN115253545A (en) * | 2022-07-26 | 2022-11-01 | 唐山三友集团兴达化纤有限公司 | Method and system for recycling dust removal water in viscose staple fiber production process |
| CN115253545B (en) * | 2022-07-26 | 2023-10-10 | 唐山三友集团兴达化纤有限公司 | Method and system for recycling dedusting water in viscose staple fiber production process |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20140819 |
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| EXPY | Termination of patent right or utility model |