High-precision crystallizer

Abstract

The utility model discloses a high-precision crystallizer which comprises an evaporative crystallization chamber, a lower circulating pipe and a feed liquid inlet are arranged at the bottom of the evaporative crystallization chamber, a middle circulating pipe is arranged at one end of the lower circulating pipe through a circulating pump, and a heating chamber is arranged at one end of the middle circulating pipe. The upper end of the heating chamber is communicated with the middle of the evaporative crystallization chamber through an upper circulating pipe, a discharging port is further formed in the bottom of the evaporative crystallization chamber, a secondary steam outlet is further formed in the top of the evaporative crystallization chamber, and a heating rod and a temperature sensor are arranged on the inner wall of the evaporative crystallization chamber. According to the utility model, the heating rod and the temperature sensor are arranged on the inner wall of the evaporative crystallization chamber, and the heating rod and the temperature sensor are electrically connected with the controller outside the evaporative crystallization chamber; the interior of the evaporative crystallization chamber can be heated and subjected to temperature control treatment, and the crystallization efficiency is prevented from being affected when the temperature in the evaporative crystallization chamber is low.

Description

Technical Field

[0001] The utility model relates to the technical field of crystallizers, in particular to a high-precision crystallizer. Background Art

[0002] Crystals are solids formed by the arrangement of atoms, ions or molecules in a certain spatial order. They are also called crystals. They are usually generated from pure substances and have a fixed melting point and optical rotation. Crystallization is the process in which a hot saturated solution is cooled and the solute becomes supersaturated due to the decrease in solubility, so that the solute precipitates in the form of crystals. A crystallizer is required for crystallization when processing compounds.

[0003] A continuous crystallizer with application number 201922045403.9 in the prior art belongs to the field of crystal preparation technology. It includes a crystallizer, a circulation system, a heat exchanger, a condenser and a centrifuge; the arrangement and connection relationship between them are as follows: the upper part of the crystallizer is connected to the condenser, the side of the crystallizer is provided with a circulating liquid outlet, the bottom of the crystallizer is provided with a slurry outlet and a circulating condensed water outlet, the centrifuge is located below the crystallizer, and the slurry inlet at the top of the centrifuge is connected to the slurry outlet through a pipeline; the problem of poor comprehensive utilization of condensed water in the continuous crystallizer is solved, but it is not convenient to install the battery pack in the shell, and the stability of the installation is low, and it is inconvenient to disassemble and use. Utility Model Content

[0004] The utility model aims to provide a high-precision crystallizer to solve the problems in the prior art that it is inconvenient to install a battery pack in a housing, the installation and fixation stability is low, and it is inconvenient to disassemble and use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision crystallizer, comprising an evaporation crystallization chamber, a lower circulation pipe and a liquid inlet are provided at the bottom of the evaporation crystallization chamber, a middle circulation pipe is provided at one end of the lower circulation pipe through a circulation pump, a heating chamber is provided at one end of the middle circulation pipe, the upper end of the heating chamber is connected with the middle of the evaporation crystallization chamber through an upper circulation pipe, a discharge port is also provided at the bottom of the evaporation crystallization chamber, a secondary steam outlet is also provided at the top of the evaporation crystallization chamber, a heating rod and a temperature sensor are provided on the inner wall of the evaporation crystallization chamber, and the heating rod and the temperature sensor are both electrically connected to a controller outside the evaporation crystallization chamber.

[0006] Furthermore, the heating rod is embedded in the inner wall of the evaporation crystallization chamber, and a plurality of heating rods are arranged in a ring array.

[0007] Furthermore, a first steam heating jacket is provided outside the heating chamber, a second steam heating jacket is provided outside the middle circulation pipe, and a steam transmission pipe is connected between the first steam heating jacket and the second steam heating jacket.

[0008] Furthermore, a steam inlet is provided at one end of the first steam heating jacket, and a steam outlet and a condensed water outlet are provided on the outer side of one end of the second steam heating jacket.

[0009] Furthermore, a heat-insulating layer is provided on the outer side of the evaporation and crystallization chamber, and the heat-insulating layer is made of a polystyrene foam layer or a glass wool layer.

[0010] Furthermore, there are multiple temperature sensors, and the multiple temperature sensors are evenly distributed at the bottom, middle and top of the evaporation and crystallization chamber.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model provides a heating rod and a temperature sensor on the inner wall of the evaporation crystallization chamber, and the heating rod and the temperature sensor are electrically connected to the controller outside the evaporation crystallization chamber. The heating rod is embedded in the inner wall of the evaporation crystallization chamber, and a plurality of heating rods are provided in a circular array, so that the interior of the evaporation crystallization chamber can be heated and temperature-controlled, and the heating uniformity is strong, which prevents the crystallization efficiency from being affected when the temperature in the evaporation crystallization chamber is low.

[0013] 2. The utility model provides a first steam heating jacket on the outside of the heating chamber, a second steam heating jacket on the outside of the middle circulation pipe, and a steam transmission pipe is connected between the first steam heating jacket and the second steam heating jacket, so that steam is transmitted to the second steam heating jacket to preheat the outside of the middle circulation pipe, which is beneficial to improve the rate and uniformity of subsequent heating of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a top view of the inner wall structure of the evaporation crystallization chamber of the utility model;

[0017] Figure 3 This is a structural cross-sectional view of point A of the present utility model.

[0018] In the figure: 1. Evaporation and crystallization chamber; 2. Lower circulation pipe; 3. Liquid inlet; 4. Circulation pump; 5. Middle circulation pipe; 6. Heating chamber; 7. First steam heating jacket; 8. Upper circulation pipe; 9. Controller; 10. Discharge port; 11. Secondary steam outlet; 12. Second steam heating jacket; 13. Steam inlet; 14. Steam outlet; 15. Steam pipe; 16. Heating rod; 17. Insulation layer; 18. Temperature sensor. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3 In an embodiment of the utility model, a high-precision crystallizer includes an evaporation crystallization chamber 1, a lower circulation pipe 2 and a liquid inlet 3 are provided at the bottom of the evaporation crystallization chamber 1, a middle circulation pipe 5 is provided at one end of the lower circulation pipe 2 through a circulation pump 4, a heating chamber 6 is provided at one end of the middle circulation pipe 5, and the upper end of the heating chamber 6 is connected to the middle of the evaporation crystallization chamber 1 through an upper circulation pipe 8. A discharge port 10 is also provided at the bottom of the evaporation crystallization chamber 1, and a secondary steam outlet 11 is also provided at the top of the evaporation crystallization chamber 1. A heating rod 16 and a temperature sensor 18 are provided on the inner wall of the evaporation crystallization chamber 1, and a plurality of temperature sensors 18 are provided, and Multiple temperature sensors 18 are evenly distributed at the bottom, middle and top of the evaporation crystallization chamber 1, so that multi-point temperature detection processing can be performed on the inside of the evaporation crystallization chamber 1, which is beneficial to improving the accuracy of temperature control, and the heating rod 16 and the temperature sensor 18 are electrically connected to the controller 9 outside the evaporation crystallization chamber 1. The heating rod 16 is embedded in the inner wall of the evaporation crystallization chamber 1, and multiple heating rods 16 are arranged in a ring array, so that the inside of the evaporation crystallization chamber 1 can be heated and temperature-controlled, and the heating uniformity is strong, preventing the crystallization efficiency from being affected when the temperature in the evaporation crystallization chamber is low.

[0021] like Figure 1 As shown, in order to increase the rate of material heating, a first steam heating jacket 7 is provided on the outside of the heating chamber 6, a second steam heating jacket 12 is provided on the outside of the middle circulation pipe 5, and a steam pipe 15 is connected between the first steam heating jacket 7 and the second steam heating jacket 12. A steam inlet 13 is provided at one end of the first steam heating jacket 7, and a steam outlet 14 and a condensate outlet are provided on the outside of one end of the second steam heating jacket 12, so that steam transported into the second steam heating jacket 12 can pre-heat the outside of the middle circulation pipe 5, which is beneficial to improving the rate and uniformity of subsequent heating of the material.

[0022] like Figure 3 As shown, in order to reduce heat loss, an insulation layer 17 is provided on the outside of the evaporation crystallization chamber 1, and the insulation layer 17 is made of a polystyrene foam layer or a glass wool layer, so that the outside of the evaporation crystallization chamber 1 can be insulated to reduce heat loss and facilitate energy saving.

[0023] The working principle and use process of the utility model are as follows: when in use, the heating rod 16 and the temperature sensor 18 are provided on the inner wall of the evaporation crystallization chamber 1, and the heating rod 16 and the temperature sensor 18 are electrically connected to the controller 9 outside the evaporation crystallization chamber 1, and a plurality of heating rods 16 are provided in a ring array, so that the inside of the evaporation crystallization chamber 1 can be heated and temperature-controlled, and the heating uniformity is strong, preventing the crystallization efficiency from being affected when the temperature in the evaporation crystallization chamber 1 is low.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-precision crystallizer, comprising an evaporation crystallization chamber (1), characterized in that: The bottom of the evaporation crystallization chamber (1) is provided with a lower circulation pipe (2) and a liquid inlet (3); one end of the lower circulation pipe (2) is provided with a middle circulation pipe (5) via a circulation pump (4); one end of the middle circulation pipe (5) is provided with a heating chamber (6); the upper end of the heating chamber (6) is connected to the middle of the evaporation crystallization chamber (1) via an upper circulation pipe (8); a heating rod (16) and a temperature sensor (18) are provided on the inner wall of the evaporation crystallization chamber (1); and the heating rod (16) and the temperature sensor (18) are both electrically connected to a controller (9) outside the evaporation crystallization chamber (1).

2. A high-precision crystallizer according to claim 1, characterized in that: The heating rod (16) is embedded in the inner wall of the evaporation crystallization chamber (1), and a plurality of the heating rods (16) are arranged in a ring array.

3. A high-precision crystallizer according to claim 1, characterized in that: A first steam heating jacket (7) is provided outside the heating chamber (6), a second steam heating jacket (12) is provided outside the middle circulation pipe (5), and a steam transmission pipe (15) is connected between the first steam heating jacket (7) and the second steam heating jacket (12).

4. A high-precision crystallizer according to claim 3, characterized in that: A steam inlet (13) is provided at one end of the first steam heating jacket (7), and a steam outlet (14) and a condensed water outlet are provided on the outer side of one end of the second steam heating jacket (12).

5. A high-precision crystallizer according to claim 2, characterized in that: A heat-insulating layer (17) is provided on the outside of the evaporation and crystallization chamber (1), and the heat-insulating layer (17) is a polystyrene foam layer or a glass wool layer.

6. A high-precision crystallizer according to claim 1, characterized in that: A plurality of temperature sensors (18) are provided, and the plurality of temperature sensors (18) are evenly distributed at the bottom, middle and top of the evaporation and crystallization chamber (1).

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