CN218793974U - Laboratory-level 1L plate type step-by-step crystallizer - Google Patents

Abstract

The utility model discloses a laboratory level 1L plate-type fractional crystallization ware relates to a fixed bed reactor. Including the upper cover plate, the shell body, the support, the heat preservation, interior box, the heat transfer plate, its characterized in that: the heat transfer plate is characterized in that a supporting plate is arranged on the shell and connected with the support, a threaded hole is formed in the upper cover plate, the upper cover plate is located right above the shell and connected with the shell through the threaded hole, a heat insulation layer is arranged in the outer shell, an inner box body is arranged in the heat insulation layer, a water area is formed between the heat insulation layer and the inner box body, and the heat transfer plate is located inside the inner box body. The utility model discloses a design of equipment size to reach the standard that the laboratory used, and through being equipped with modes such as waters and heat preservation, avoided because of the adverse effect that the volume reduction brought, solved the difficult problem of laboratory research fractional crystallization.

Description

Laboratory-level 1L plate type step-by-step crystallizer

Technical Field

The utility model relates to a purification splitter field of chemical industry, medicine product specifically is a laboratory level 1L board-like fractional crystallization ware.

Background

Crystallization is a typical chemical unit operation, and is a process in which solid substances are precipitated from steam, solution or melt in a crystal state, and the crystallization plays an important role in the separation and purification process of products, and a large number of crystalline substances such as chemical products and intermediate products are separated or purified by using a crystallization method. The crystallization process needs to be completed in a crystallizer, most crystallizers applied in the current industrial production are specially customized large-scale equipment, the equipment has a complex structure and a plurality of matched devices, the design of the equipment is mostly based on experience or is amplified by pilot plant equipment, and the equipment is not suitable for researching the crystallization process in a laboratory.

Therefore, a laboratory grade 1L plate type fractional crystallizer is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory level 1L board-like fractional step crystallizer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: including the upper cover plate, the shell body, the support, the heat preservation, interior box, the heat transfer plate, its characterized in that: the heat transfer plate is characterized in that a supporting plate is arranged on the shell and connected with the support, a threaded hole is formed in the upper cover plate, the upper cover plate is located right above the shell and connected with the shell through the threaded hole, a heat insulation layer is arranged in the outer shell, an inner box body is arranged in the heat insulation layer, a water area is formed between the heat insulation layer and the inner box body, and the heat transfer plate is located inside the inner box body.

Preferably, the upper cover plate is provided with a feed inlet, a medium outlet, a thermometer port and an exhaust port.

Preferably, the front of the shell is provided with a water inlet and a water outlet, and the lower part of the shell is provided with a discharge opening.

Preferably, the heat transfer plates are formed by welding two stainless steel plates, a flow channel is formed in the plates through bulging, and each heat transfer plate is provided with two pipe orifices which are respectively connected with the medium inlet and the medium outlet.

Compared with the prior art, the utility model provides a pair of plate-type fractional crystallization ware of laboratory level 1L has following beneficial effect:

1. the method adopts a step-by-step melting crystallization mode, realizes material separation and purification by utilizing the difference of freezing points between the materials to be separated, and has the characteristics of low operation temperature, low energy consumption, high product purity, environmental protection and the like.

2. The heat transfer plate is adopted for heat transfer, and the heat exchange efficiency is higher compared with that of the traditional tube nest.

3. The volume of the equipment is very small, the volume of the inner box body is 1L, and the volume of the whole equipment is not more than 0.1m ³ The device is suitable for laboratory environment, is provided with a support and is convenient to operate.

4. The heat preservation has been increased, and traditional industrial equipment is bulky, and ambient temperature's influence can be ignored, and experimental facilities is because the volume is very little, and ambient temperature can give a great influence to heat transfer for crystallization temperature is not controlled well, has consequently increased the heat preservation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention

In the figure: 1. a feed inlet; 2. a discharge opening; 3. a media inlet; 4. a media outlet; 5. a thermometer port; 6. an exhaust port; 7. a water inlet of a water area; 8. a water outlet of a water area; 9. an upper cover plate; 10. a housing; 11. a support; 12. a support plate; 13. a threaded hole; 14. a heat-insulating layer; 15. an inner box body; 16 heat transfer plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1: referring to fig. 1-2, a laboratory-grade 1L plate-type fractional crystallizer includes an upper cover plate 9, an outer shell 10, a support 11, a heat insulating layer 14, an inner box 15, and heat transfer plates 16, and is characterized in that: there is the backup pad 12 on the casing 10, the backup pad 12 is connected with support 11, there is screw hole 13 on the upper cover plate 9, the upper cover plate 9 is located directly over the casing 10, connects through screw hole 13 casing 10, there is heat preservation 14 in the shell body 10, there is interior box 15 in the heat preservation 14, be the waters in the middle of heat preservation 14 and interior box 15, heat transfer plate 16 is located inside interior box 15.

The upper cover plate 9 is provided with a feed inlet 1, a medium inlet 3, a medium outlet 4, a thermometer port 5 and an exhaust port 6.

The front of the shell 10 is provided with a water area water inlet 7 and a water area water outlet 8, and a discharge opening 2 is arranged below the shell.

The heat transfer plate 16 is formed by welding two stainless steel plates, a flow channel is formed in the plate through bulging, and two pipe orifices are arranged on each heat transfer plate 16 and are respectively connected with the medium inlet 3 and the medium outlet 4.

The gas vent 6 is used for the emission of noncondensable gas, support 11 can provide a convenient operational environment, heat preservation 14 is used for the heat preservation of heat transfer in-process, avoids ambient temperature to produce the influence.

During the experiment, firstly, the material in a molten state is introduced from the feeding port 1, then, the cooling medium is introduced from the medium inlet 3 and the water area water inlet 7, the heat of the material is absorbed through the inner box body 15 and the heat transfer plate 16, so that the temperature of the material is reduced, partial components begin to crystallize, the cooling medium is discharged from the medium outlet 4 and the water area water outlet 8, the temperature in the box body can be observed through a thermometer arranged on the thermometer port 5, the temperature in the box body is controlled by adjusting the temperature and the flow of the cooling medium, all the crystals of the target product are separated out, then, the discharging port 2 is opened, and the residual liquid is discharged from the discharging port 2.

Then, a heating medium is introduced from the medium inlet 3 and the water inlet 7 of the water area, so that the internal crystallization product is melted again, and the melted product is discharged from the discharge opening 2 and collected, thus obtaining the high-purity target product.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a laboratory level 1L plate-type fractional crystallization ware, includes upper cover plate (9), shell body (10), support (11), heat preservation (14), interior box (15), heat transfer plate (16), its characterized in that: there is backup pad (12) on casing (10), backup pad (12) are connected with support (11), threaded hole (13) are gone up in upper cover plate (9), directly over upper cover plate (9) are located casing (10), are connected through threaded hole (13) casing (10), there is heat preservation (14) in shell body (10), there is interior box (15) in heat preservation (14), be the waters in the middle of heat preservation (14) and interior box (15), heat transfer plate (16) are located inside interior box (15).

2. The laboratory grade 1L plate-type fractional crystallizer of claim 1, wherein: the upper cover plate (9) is provided with a feed inlet (1), a medium inlet (3), a medium outlet (4), a thermometer port (5) and an exhaust port (6).

3. The laboratory grade 1L plate-type fractional crystallizer of claim 1, wherein: the front surface of the shell (10) is provided with a water area water inlet (7) and a water area water outlet (8), and a discharge opening (2) is arranged below the shell.

4. The laboratory grade 1L plate-type fractional crystallizer of claim 1, wherein: the heat transfer plates (16) are formed by welding two stainless steel plates, flow channels are formed in the plates through bulging, and each heat transfer plate (16) is provided with two pipe orifices which are respectively connected with the medium inlet (3) and the medium outlet (4).

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