CN219646726U - Alkali preparation equipment for alkali preparation mother liquor - Google Patents
Alkali preparation equipment for alkali preparation mother liquor Download PDFInfo
- Publication number
- CN219646726U CN219646726U CN202320123946.1U CN202320123946U CN219646726U CN 219646726 U CN219646726 U CN 219646726U CN 202320123946 U CN202320123946 U CN 202320123946U CN 219646726 U CN219646726 U CN 219646726U
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- CN
- China
- Prior art keywords
- water pump
- communicated
- alkali
- mother liquor
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003513 alkali Substances 0.000 title claims abstract description 51
- 239000012452 mother liquor Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000001704 evaporation Methods 0.000 claims abstract description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000008020 evaporation Effects 0.000 claims abstract description 15
- 238000007738 vacuum evaporation Methods 0.000 claims description 20
- 238000011049 filling Methods 0.000 abstract description 10
- 238000002425 crystallisation Methods 0.000 abstract description 8
- 230000008025 crystallization Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000001354 calcination Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical class N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- -1 ammonium ions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000001816 cooling Methods 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
- 238000004090 dissolution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of alkali preparation equipment, in particular to alkali preparation equipment for alkali preparation mother liquor; the utility model discloses alkali preparation equipment for alkali preparation mother liquor, which comprises a fourth water pump, wherein the left side of the fourth water pump is provided with a reaction mechanism and an evaporation mechanism, the reaction mechanism comprises a reaction tank, the left side of the reaction tank is respectively communicated with water outlets of a first water pump and a second water pump, a water inlet of the first water pump is communicated with a hydrochloric acid filling tank, a water inlet of the second water pump is communicated with a mother liquor filling tank, the evaporation mechanism is positioned on the right side of the reaction tank and is matched with the reaction tank, alkali outlet components are stable, the filtering water absorption amount is small, the heavy alkali crystallization particles are large, the water content is low, the calcination steam consumption is first, the cost is saved, and the problems of mother liquor balance, energy consumption and ammonia salt raw material consumption in the calcination process and the like in the traditional alkali preparation process and coarse manufacturing particles are solved; the automatic degree is greatly improved, and the technology has the advantages of simple structure, flexible use and good universality.
Description
Technical Field
The utility model relates to the technical field of alkali preparation equipment, in particular to alkali preparation equipment for alkali preparation mother liquor.
Background
The quality of the re-alkali crystallization determines the salt content of the soda product of the combined alkali preparation, the balance of mother liquor, the energy consumption in the calcination process, the consumption of the ammonia salt raw material and the like, so that the re-alkali crystallization with coarse particles and the energy consumption in separation and washing is the primary task and aim of the carbonation process, the re-alkali crystallization fine crystal of the non-cooling tower change gas alkali preparation process is more, the equivalent weight of filtered washing water is larger, the balance of mother liquor is difficult, and the technical innovation is carried out on the basis of the existing alkali preparation mother liquor alkali preparation equipment aiming at the conditions.
Disclosure of Invention
The utility model aims to provide alkali preparation equipment for alkali preparation mother liquor, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an alkali preparation equipment of system alkali mother liquor, includes the fourth water pump, the left side of fourth water pump is provided with reaction mechanism and evaporating mechanism, reaction mechanism includes the retort, the left side of retort communicates respectively has the delivery port of first water pump and second water pump, the water inlet intercommunication of first water pump has hydrochloric acid filling case, the water inlet intercommunication of second water pump has the mother liquor filling case, evaporating mechanism is located the right side of retort and cooperatees with the retort.
Preferably, the evaporation mechanism comprises a triple-effect vacuum evaporation tower, wherein an air outlet hole of the triple-effect vacuum evaporation tower is communicated with a cooler, a water outlet pipe is communicated with the rear side of the cooler, a third water pump is communicated with a water inlet of the triple-effect vacuum evaporation tower, a filter is communicated with a water inlet of the third water pump, and the filter is communicated with a water outlet of the reaction tank.
Preferably, the water outlet of the fourth water pump is communicated with the water outlet of the triple-effect vacuum evaporation tower, the water outlet of the fourth water pump is communicated with a flash evaporator, and the bottom of the flash evaporator is communicated with a DTB crystallizer.
Preferably, the water outlet of the first water pump is communicated with a first pipeline, the water outlet of the second water pump is communicated with a second pipeline, and the first pipeline and the second pipeline are both communicated with the reaction tank.
Preferably, a third pipeline is communicated between the reaction tank and the filter, and a fourth pipeline is communicated between the third water pump and the triple-effect vacuum evaporation tower.
Preferably, a fifth pipeline is communicated between the three-effect vacuum evaporation tower and a fourth water pump, and a sixth pipeline is communicated between the fourth water pump and the flash evaporator.
Compared with the prior art, the utility model has the following beneficial effects:
the alkali producing equipment of the alkali producing mother liquor has stable alkali producing component, less filtering and water absorbing amount, large re-alkali crystallization particle, low water content, first calcining steam consumption, low cost saving, and solves the problems of mother liquor balance, energy consumption, ammonia salt raw material consumption and the like in the conventional alkali producing process, and coarse manufacturing particles;
the automatic degree is greatly improved, and the technology has the advantages of simple structure, flexible use and good universality.
Drawings
FIG. 1 is a schematic structural diagram of an alkali-making equipment for making alkali from an alkali-making mother liquor;
FIG. 2 is a rear side view of the present utility model of an apparatus for producing alkali from an alkali-producing mother liquor;
fig. 3 is a top view of an alkali-making equipment for making alkali from an alkali-making mother liquor.
In the figure: 1. hydrochloric acid filling box; 11. a first water pump; 12. a mother liquor filling box; 13. a second water pump; 14. a reaction tank; 2. a triple-effect vacuum evaporation tower; 21. a third water pump; 22. a filter; 23. a cooler; 24. a water outlet pipe; 3. a fourth water pump; 31. a DTB crystallizer; 32. a flash evaporator.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an alkali-making equipment for alkali-making mother liquor comprises a fourth water pump 3, a reaction mechanism and an evaporation mechanism are fixedly arranged on the left side of the fourth water pump 3, the reaction mechanism comprises a reaction tank 14, the left side of the reaction tank 14 is respectively communicated with water outlets of a first water pump 11 and a second water pump 13, a water inlet of the first water pump 11 is communicated with a hydrochloric acid filling box 1, a water inlet of the second water pump 13 is communicated with a mother liquor filling box 12, the evaporation mechanism is positioned on the right side of the reaction tank 14 and matched with the reaction tank 14, the evaporation mechanism comprises a three-effect vacuum evaporation tower 2, an air outlet of the three-effect vacuum evaporation tower 2 is communicated with a cooler 23, a water outlet 24 is communicated with the rear side of the cooler 23, a water inlet of the three-effect vacuum evaporation tower 2 is communicated with a third water pump 21, a water inlet of the third water pump 21 is communicated with a filter 22, the filter 22 is communicated with a water outlet of the reaction tank 14, the fourth water pump 3 is communicated with a water outlet of the three-effect vacuum evaporation tower 2, a water outlet of the fourth water pump 3 is communicated with a flash evaporator 32, the bottom of the flash evaporator 32 is communicated with a DTB crystallizer 11, a water outlet of the third water pump 2 is communicated with a third water pump 2, a third water pump pipeline 31 is communicated with a third water pump pipeline 2, a third water pump pipeline 2 is communicated with a third water pump pipeline 2, a third water pipeline 2 is communicated with a third water pump pipeline 2 is communicated with a third pipeline 2, and a third water pipeline 2 is communicated with a third pipeline 2, and a third pipeline is communicated with a third pipeline 2.
Working principle: the method comprises the steps of inputting hydrochloric acid in a hydrochloric acid filling box 1 into a reaction tank 14 by a first water pump 11, inputting alkali making mother liquor in a mother liquor filling box 12 into the reaction tank 14, completing an acidification reaction on the alkali making mother liquor by hydrochloric acid, converting free ammonium ions in the alkali making mother liquor into solid ammonium, separating out carbon dioxide gas at the same time, isolating the solid ammonium by a filter 22, sequentially conveying the degassed alkali making filtration mother liquor into a triple effect vacuum evaporation tower 2 in a countercurrent feeding mode by a third water pump 21, enabling the alkali making filtration mother liquor to enter a first-effect heating chamber in the triple effect vacuum evaporation tower 2, enabling secondary steam generated by the first-effect evaporation to enter a second-effect heating chamber, enabling the secondary steam generated by the second-effect evaporation to enter a triple-effect heating chamber, enabling the triple-effect steam generated by the triple-effect steam to enter a cooler 23, then condensing into water, discharging the triple-effect heating chamber, increasing the concentration of liquid after vacuum evaporation, according to the dissolution performance of ammonium chloride and sodium chloride, settling sodium chloride in a triple effect evaporation tower 2, pumping out the salt leg of the triple effect evaporation tower by a triple effect evaporation tower 2 in a reverse flow mode, enabling the salt leg of the triple effect evaporation tower to enter a fourth water pump 3 ℃ to reach a temperature point, enabling the triple effect evaporation tower to enter a crystallization tower to be in a low-temperature state of 35 ℃, and enabling the triple effect evaporation tower to be cooled by a crystallization tower to be in a low temperature state of 35 ℃, and a product, namely, and a product is dehydrated under a condition of water phase of DTB, and a low-temperature condition of DTB, respectively, and a product is cooled by a low-temperature crystallization tower, and a low temperature is cooled in a low temperature condition, and a low-temperature product.
Claims (6)
1. The equipment for preparing the alkali from the alkali-preparing mother liquor comprises a fourth water pump (3), and is characterized in that: the left side of fourth water pump (3) is provided with reaction mechanism and evaporating mechanism, reaction mechanism includes retort (14), the left side of retort (14) is linked together respectively and is had the delivery port of first water pump (11) and second water pump (13), the water inlet intercommunication of first water pump (11) has hydrochloric acid to fill case (1), the water inlet intercommunication of second water pump (13) has mother liquor to fill case (12), evaporating mechanism is located the right side of retort (14) and cooperatees with retort (14).
2. The alkali preparation device of the alkali preparation mother liquor according to claim 1, which is characterized in that: the evaporation mechanism comprises a triple-effect vacuum evaporation tower (2), a cooler (23) is communicated with an air outlet hole of the triple-effect vacuum evaporation tower (2), a water outlet pipe (24) is communicated with the rear side of the cooler (23), a third water pump (21) is communicated with a water inlet of the triple-effect vacuum evaporation tower (2), a filter (22) is communicated with a water inlet of the third water pump (21), and the filter (22) is communicated with a water outlet of the reaction tank (14).
3. The alkali preparation device of the alkali preparation mother liquor according to claim 1, which is characterized in that: the water outlet of the fourth water pump (3) is communicated with the water outlet of the triple-effect vacuum evaporation tower (2), a flash evaporator (32) is communicated with the water outlet of the fourth water pump (3), and a DTB crystallizer (31) is communicated with the bottom of the flash evaporator (32).
4. The alkali preparation device of the alkali preparation mother liquor according to claim 1, which is characterized in that: the water outlet of the first water pump (11) is communicated with a first pipeline, the water outlet of the second water pump (13) is communicated with a second pipeline, and the first pipeline and the second pipeline are both communicated with the reaction tank (14).
5. The alkali preparation device of the alkali preparation mother liquor according to claim 2, which is characterized in that: a third pipeline is communicated between the reaction tank (14) and the filter (22), and a fourth pipeline is communicated between the third water pump (21) and the triple-effect vacuum evaporation tower (2).
6. A device for producing alkali from an alkali-producing mother liquor according to claim 3, wherein: a fifth pipeline is communicated between the triple-effect vacuum evaporation tower (2) and the fourth water pump (3), and a sixth pipeline is communicated between the fourth water pump (3) and the flash evaporator (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123946.1U CN219646726U (en) | 2023-01-18 | 2023-01-18 | Alkali preparation equipment for alkali preparation mother liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123946.1U CN219646726U (en) | 2023-01-18 | 2023-01-18 | Alkali preparation equipment for alkali preparation mother liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219646726U true CN219646726U (en) | 2023-09-08 |
Family
ID=87859986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320123946.1U Active CN219646726U (en) | 2023-01-18 | 2023-01-18 | Alkali preparation equipment for alkali preparation mother liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219646726U (en) |
-
2023
- 2023-01-18 CN CN202320123946.1U patent/CN219646726U/en active Active
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