CN203513299U - High-efficiency salt-sodium nitrate co-production device - Google Patents
High-efficiency salt-sodium nitrate co-production device Download PDFInfo
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- CN203513299U CN203513299U CN201320379455.XU CN201320379455U CN203513299U CN 203513299 U CN203513299 U CN 203513299U CN 201320379455 U CN201320379455 U CN 201320379455U CN 203513299 U CN203513299 U CN 203513299U
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- evaporating pot
- preheater
- evaporation tank
- salt
- effect evaporating
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Abstract
The utility model relates to a high-efficiency salt-sodium nitrate co-production device. The high-efficiency salt-sodium nitrate co-production device consists of a salt production system, a first preheating system, a second preheating system and a sodium nitrate production system, wherein the salt production system comprises an I-effect evaporation tank, an II-effect evaporation tank, an III-effect evaporation tank, an IV-effect evaporation tank and a V-effect evaporation tank, which are sequentially connected with one another through a pipeline, the I-effect evaporation tank to the V-effect evaporation tank are respectively connected with a salt slurry bucket through pipelines, and the salt slurry bucket is connected with a salt centrifugal drying device through a pipeline; the first preheating system comprises a first preheater and is connected with a salt making preheating tank through a pipeline; the second preheating system comprises a second preheater, a third preheater and a fourth preheater, which are sequentially connected with one another through a pipeline; the sodium nitrate production system comprises a sodium nitrate evaporation tank, a first flash evaporation tank, a second flash evaporation tank and a third flash evaporation tank, which are sequentially connected with one another through a pipeline, the sodium nitrate evaporation tank is connected with a sodium nitrate slurry bucket through a pipeline, the sodium nitrate slurry bucket is connected with a sodium nitrate centrifugal drying device through a pipeline, and the third flash evaporation tank is connected with the V-effect evaporation tank through a pipeline. By adopting the high-efficiency salt-sodium nitrate co-production device, the flash evaporation intensity is reduced, the production period is effectively prolonged, the heat energy utilization rate is increased, and the productivity of the system is increased.
Description
Technical field
The utility model relates to the equipment of using in salt producing craft, particularly a kind of efficient sal prunella combination preparing device.
Background technology
Sal prunella combination preparing device is that the salt in raw brine and nitre are separated in process of production, makes respectively the production unit of salt, nitre product.
In sodium sulphate type bittern enterprise, generally adopt thermal cycling method joint production process of salt and salt-cake, its principle is: at NaCl-Na
2sO
4-H
2o is altogether in saturated system, the rising of the solubility with temperature of NaCl and increase Na
2sO
4contrary, i.e. the rising of solubility with temperature and reducing, according to this rule, first evaporates raw brine at a lower temperature, when NaCl separates out in a large number, and Na
2sO
4concentrated, worked as Na
2sO
4concentration reaches or approaches when saturated salt-making mother liquor pre-heating temperature elevation, Na
2sO
4along with diminishing of solubleness, separate out, and NaCl because raising, solubility with temperature increases, and becomes unsaturated component.Transpiring moisture can make Na
2sO
4continue to separate out, when NaCl concentration reaches or approaches when saturated, will nitre mother liquor processed cooling, decompression and flash distillation, can make again NaCl supersaturation separate out, Na
2sO
4get back concentrated, salt-making mother liquor returns to intensification again, recycles NaCl and Na
2sO
4therefore can obtain separation.
In prior art, sal prunella combination preparing device generally adopts the flash distillation of two-stage flash evaporation tank nitre mother liquor processed, causes secondary flash evaporation tank and the end effect evaporating pot temperature difference larger, has increased flash distillation intensity, heat energy utilization rate variance.
Utility model content
The purpose of this utility model is overcome the above-mentioned deficiency of prior art and a kind of efficient sal prunella combination preparing device is provided, and this device has reduced flash distillation intensity, has effectively extended the production cycle, has improved heat utilization rate, has increased the production capacity of system.
The technical solution of the utility model is: a kind of efficient sal prunella combination preparing device, by salt making system, the first pre-heating system, the second pre-heating system and nitre system processed, formed, described salt making system comprises I effect evaporating pot, II effect evaporating pot, III effect evaporating pot, IV effect evaporating pot, the V effect evaporating pot connecting successively by pipeline, I effect evaporating pot all connects salt slurry bucket by the road to V effect evaporating pot, and salt slurry bucket connects salt centrifugal drying equipment by the road; Described the first pre-heating system comprises the first preheater, connects by the road salt manufacturing preheating can, and salt manufacturing preheating can connects I effect evaporating pot by the road; Described the second pre-heating system comprises the second preheater, the 3rd preheater and the 4th preheater connecting successively by pipeline, the second preheater is connected with V effect evaporating pot pipeline, described nitre system processed comprises nitre evaporating pot, nitre evaporating pot connects the 4th preheater by the road, nitre evaporating pot is connected by pipeline successively with nitre slurry bucket, pin centrifugal drying equipment, nitre evaporating pot also connects the first flash evaporation tank by the road, the first flash evaporation tank, the second flash evaporation tank and the 3rd flash evaporation tank are connected by pipeline successively, and the 3rd flash evaporation tank connects V effect evaporating pot by the road.
Further, the steam outlet of described I effect evaporating pot, II effect evaporating pot, III effect evaporating pot, IV effect evaporating pot is all communicated with the steam ports that enters of salt manufacturing preheating can, I effect evaporating pot is also respectively communicated with the steam ports that enters of next effect evaporating pot to the steam outlet of IV effect evaporating pot, and the V effect steam outlet of evaporating pot and the steam ports that enters of condenser are communicated with.
Further, the steam outlet of described the 3rd flash evaporation tank, the second flash evaporation tank, the first flash evaporation tank and nitre evaporating pot is communicated with the steam ports that enters of the first preheater, the second preheater, the 3rd preheater and the 4th preheater respectively.
Further, described the first preheater, the second preheater, the 3rd preheater and the 4th preheater are tubular preheater.
The utility model compared with prior art has following features: adopt three grades of flash distillations to reduce secondary flash evaporation tank and the end effect evaporating pot temperature difference, reduced flash distillation intensity, reduced the energy dissipation of end effect evaporating pot, slowed down two-stage flash and because intensity is excessive, caused shwoot tank skin easy to form bulk salt crust, thereby extended manufacture cycle; 2. the first preheater of setting up, its thermal source comes from the secondary steam of third stage flash evaporation tank output, has saved the pre-heating temperature elevation energy of salt manufacturing preheating can, has increased the production capacity of system.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model apparatus structure schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, detailed structure of the present utility model is further described.
With reference to accompanying drawing 1: a kind of efficient sal prunella combination preparing device, by salt making system, the first pre-heating system, the second pre-heating system and nitre system processed, formed, described salt making system comprises I effect evaporating pot 1, II effect evaporating pot 2, III effect evaporating pot 3, IV effect evaporating pot 4, the V effect evaporating pot 5 connecting successively by pipeline, I effect evaporating pot 1 all connects salt slurry bucket 6 by the road to V effect evaporating pot 5, and salt slurry bucket 6 connects salt centrifugal drying equipment 7 by the road; Described the first pre-heating system comprises the first preheater 9, connects by the road salt manufacturing preheating can 8, and salt manufacturing preheating can 8 connects I effect evaporating pot 1 by the road; Described the second pre-heating system comprises that the second preheater 10, the 3rd preheater 11 and the 4th preheater 12, the second preheaters 10 that by pipeline, connect are successively connected with V effect evaporating pot 5 pipelines; Described nitre system processed comprises nitre evaporating pot 13, nitre evaporating pot 13 connects the 4th preheater 12 by the road, nitre evaporating pot 13 is connected by pipeline successively with nitre slurry bucket 17, pin centrifugal drying equipment 18, nitre evaporating pot 13 also connects the first flash evaporation tank 14 by the road, the first flash evaporation tank 14, the second flash evaporation tank 15 are connected by pipeline successively with the 3rd flash evaporation tank 16, and the 3rd flash evaporation tank 16 connects V effect evaporating pot 5 by the road.
The steam outlet of I effect evaporating pot 1, II effect evaporating pot 2, III effect evaporating pot 3, IV effect evaporating pot 4 is all communicated with the steam ports that enters of salt manufacturing preheating can 8, I effect evaporating pot 1 is also respectively communicated with the steam ports that enters of next effect evaporating pot to the steam outlet of IV effect evaporating pot 4, and the V effect steam outlet of evaporating pot 5 and the steam ports that enters of condenser 19 are communicated with; The first preheater 9, the second preheater 10, the 3rd preheater 11 and the 4th preheater 12 are tubular preheater; The steam outlet of the 3rd flash evaporation tank 16, the second flash evaporation tank 15, the first flash evaporation tank 14 and nitre evaporating pot 13 is communicated with the steam ports that enters of the first preheater 9, the second preheater 10, the 3rd preheater 11 and the 4th preheater 12 respectively.
Working process of the present utility model: concrete steps are as follows:
1) raw brine is carried out to secondary steam for preheating through the first preheater 9 and salt manufacturing preheating can 8 successively, after preheating, enter successively I effect evaporating pot 1 and separate out salt slurry to 5 evaporations of V effect evaporating pot, the salt slurry that every effect evaporating pot is separated out drains into salt slurry bucket, the salt-making mother liquor that every effect evaporating pot produces is by turning under effect, finally be collected to V effect evaporating pot 5 and further evaporate, separate out salt slurry, obtain salt-making mother liquor, salt slurry is delivered to salt slurry bucket 6, then by pump delivery to salt centrifugal drying equipment;
2) salt-making mother liquor carries out three grades of secondary steam for preheatings through the second preheater 10, the 3rd preheater 11 and the 4th preheater 12 successively;
3) salt-making mother liquor after three grades of preheatings enters nitre evaporating pot 13, separates out nitre slurry after high temperature evaporation crystallization, delivers to nitre slurry bucket 17, then by pump delivery to salt centrifugal drying equipment;
4) the nitre mother liquor processed that nitre evaporating pot 13 is exported is circulated to V effect evaporating pot 5 successively and again evaporates salt manufacturing after the first flash evaporation tank 14, the second flash evaporation tank 15 and 16 3 grades of shwoots coolings of the 3rd flash evaporation tank, realizes sal prunella coproduction.
Claims (4)
1. an efficient sal prunella combination preparing device, by salt making system, the first pre-heating system, the second pre-heating system and nitre system processed, formed, described salt making system comprises I effect evaporating pot, II effect evaporating pot, III effect evaporating pot, IV effect evaporating pot, the V effect evaporating pot connecting successively by pipeline, I effect evaporating pot all connects salt slurry bucket by the road to V effect evaporating pot, and salt slurry bucket connects salt centrifugal drying equipment by the road; Described the first pre-heating system comprises the first preheater, connects by the road salt manufacturing preheating can, and salt manufacturing preheating can connects I effect evaporating pot by the road; Described the second pre-heating system comprises the second preheater, the 3rd preheater and the 4th preheater connecting successively by pipeline, the second preheater is connected with V effect evaporating pot pipeline, described nitre system processed comprises nitre evaporating pot, nitre evaporating pot connects the 4th preheater by the road, nitre evaporating pot is connected by pipeline successively with nitre slurry bucket, pin centrifugal drying equipment, it is characterized in that: nitre evaporating pot also connects the first flash evaporation tank by the road, the first flash evaporation tank, the second flash evaporation tank and the 3rd flash evaporation tank are connected by pipeline successively, and the 3rd flash evaporation tank connects V effect evaporating pot by the road.
2. a kind of efficient sal prunella combination preparing device as claimed in claim 1, it is characterized in that: the steam outlet of described I effect evaporating pot, II effect evaporating pot, III effect evaporating pot, IV effect evaporating pot is all communicated with the steam ports that enters of salt manufacturing preheating can, I effect evaporating pot is also respectively communicated with the steam ports that enters of next effect evaporating pot to the steam outlet of IV effect evaporating pot, and the V effect steam outlet of evaporating pot and the steam ports that enters of condenser are communicated with.
3. a kind of efficient sal prunella combination preparing device as claimed in claim 1 or 2, is characterized in that: the steam outlet of described the 3rd flash evaporation tank, the second flash evaporation tank, the first flash evaporation tank and nitre evaporating pot is communicated with the steam ports that enters of the first preheater, the second preheater, the 3rd preheater and the 4th preheater respectively.
4. a kind of efficient sal prunella combination preparing device as claimed in claim 1 or 2, is characterized in that: described the first preheater, the second preheater, the 3rd preheater and the 4th preheater are tubular preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320379455.XU CN203513299U (en) | 2013-06-28 | 2013-06-28 | High-efficiency salt-sodium nitrate co-production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320379455.XU CN203513299U (en) | 2013-06-28 | 2013-06-28 | High-efficiency salt-sodium nitrate co-production device |
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| Publication Number | Publication Date |
|---|---|
| CN203513299U true CN203513299U (en) | 2014-04-02 |
Family
ID=50372258
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320379455.XU Expired - Lifetime CN203513299U (en) | 2013-06-28 | 2013-06-28 | High-efficiency salt-sodium nitrate co-production device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386712A (en) * | 2014-10-21 | 2015-03-04 | 中盐东兴盐化股份有限公司 | Separating method for co-production of salt and glauber's salt |
| CN114044529A (en) * | 2021-11-15 | 2022-02-15 | 四川西秦盐化科技有限公司 | Salt and saltpeter co-production process |
-
2013
- 2013-06-28 CN CN201320379455.XU patent/CN203513299U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386712A (en) * | 2014-10-21 | 2015-03-04 | 中盐东兴盐化股份有限公司 | Separating method for co-production of salt and glauber's salt |
| CN114044529A (en) * | 2021-11-15 | 2022-02-15 | 四川西秦盐化科技有限公司 | Salt and saltpeter co-production process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |