DE450911C - Crystallizing cradle - Google Patents
Crystallizing cradleInfo
- Publication number
- DE450911C DE450911C DEI28429D DEI0028429D DE450911C DE 450911 C DE450911 C DE 450911C DE I28429 D DEI28429 D DE I28429D DE I0028429 D DEI0028429 D DE I0028429D DE 450911 C DE450911 C DE 450911C
- Authority
- DE
- Germany
- Prior art keywords
- cradle
- crystallizing
- crystals
- crystallization
- lye
- 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.)
- Expired
Links
- 238000005303 weighing Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000004133 Sodium thiosulphate Substances 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Saccharide Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Kristallisierwiege.Crystallizing cradle.
Die Kristallisation in wiegender Bewegung stößt auf große Schwierigkeiten, sobald es sich darum handelt, größere Kristalle aus Lösungen zu gewinnen, in denen die Kristalle ein bedeutend größeres spezifisches Gewicht haben als die gesättigte Mutterlauge. Diese Kristallisation wird praktisch deshalb auch nur dort angewandt, wo die Kristalle verha.knismäßig leicht in der Lauge in Schwebe gehalten werden können, wie dies für Zucker, Ferrocyankallum, Natriumthiosulfat und ähnliche Stoffe zutrifft. The crystallization in rocking motion encounters great difficulties, as soon as it is a question of obtaining larger crystals from solutions in which the crystals have a significantly greater specific gravity than the saturated one Mother liquor. This crystallization is practically only used there where the crystals are relatively easily held in suspension in the lye like this for sugar, Ferrocyankallum, sodium thiosulphate and similar substances applies.
Es wurde nun eine Kristallisierwiege gefunden, die auch für sich sehr leicht absetzende Kristalle verwendbar ist. Das Neue und Eigenartige dieser Kristallisierwiege besteht darin, daß der Wiegeboden eine nach oben gewölbte Form besitzt. Eine Ausführungsform einer derartigen Kristallisierwiege ist in der Zeichnung dargestellt. Aus ihr geht hervor (s. Abb. I und 2), daß bei tichtiger Neigung die Kristalle der einen Seite auf die Wölbung geschwemmt (s. Abb. 2), dort ausgebreitet und nachher bei der entgegen. gesetzten Neigung zurückgespült werden, wobei sie in ausgiebige Berührung mit der übersättigen Lauge kommen. A crystallizing cradle has now been found, which is also for itself very easily settling crystals can be used. The new and peculiarity of this Crystallization cradle consists in the fact that the weighing base has an upwardly curved shape owns. An embodiment of such a crystallizing cradle is shown in the drawing shown. From it it can be seen (see Fig. I and 2) that with proper inclination the Crystals on one side washed onto the bulge (see Fig. 2), spread out there and afterwards at the opposite. set inclination to be backwashed, taking them come into extensive contact with the oversaturated lye.
Es ist so gelungen, beispielsweise Raliumbichromat, Bariumchlorid und andere Salze in besonders günstiger Form zu erhalten. It has succeeded, for example ralium dichromate, barium chloride and to obtain other salts in a particularly favorable form.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI28429D DE450911C (en) | 1926-06-30 | 1926-06-30 | Crystallizing cradle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI28429D DE450911C (en) | 1926-06-30 | 1926-06-30 | Crystallizing cradle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE450911C true DE450911C (en) | 1927-10-12 |
Family
ID=7187021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEI28429D Expired DE450911C (en) | 1926-06-30 | 1926-06-30 | Crystallizing cradle |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE450911C (en) |
-
1926
- 1926-06-30 DE DEI28429D patent/DE450911C/en not_active Expired
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