Continuous freezing crystallization system

Abstract

The utility model relates to the technical field of freezing crystallizers, in particular to a continuous freezing crystallization system which comprises a base, an outer tank and an inner cylinder, a circular groove is formed in the base, the inner cylinder is fixedly connected to the inner side wall of the circular groove, the outer tank is connected to the outer side wall of the inner cylinder in a sleeved mode, a rotating component is installed on the base, and the rotating component is connected with the outer tank. The rotating component comprises a crankshaft, a hinge plate, a fixing block and a rack plate, insections are formed in the outer surface of the bottom end of the outer tank, the fixing block is fixedly connected to the base, and the rack plate is slidably connected to the side wall of the fixing block. Therefore, the two exhaust cavities can quickly and uniformly disperse cold air on the outer surface of the inner cylinder, and a better crystallization effect on substances in the inner cylinder is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of frozen crystallizer, especially to a continuous frozen crystallization system. BACKGROUND

[0002] In the production process of industrial salt, frozen crystallization is mainly aimed at the substances with significant solubility change under cold and hot conditions, and the high-temperature concentrated brine is continuously sent into the crystallizer, the temperature of the material is rapidly reduced, and the material is crystallized.

[0003] In the prior art, when cooling, the liquid in the crystallizer is cooled by using cold liquid or gas, the solubility is changed to make the crystals precipitate from the liquid, and when the cold gas cools the liquid in the crystallizer through the pipeline, the pipeline is mostly fixed on one side of the crystallizer, so that the cooling gas or liquid cannot be quickly dispersed to the surrounding of the entire crystallizer, and the internal liquid is cooled and crystallized, thus the crystallization efficiency is reduced. UTILITY MODEL CONTENT

[0004] The utility model discloses a continuous frozen crystallization system, which can solve the problem that the cooling gas or liquid cannot be quickly dispersed to the surrounding of the entire crystallizer when the cold gas cools the liquid in the crystallizer through the pipeline, and the internal liquid is cooled and crystallized, thus the crystallization efficiency is reduced.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A continuous frozen crystallization system, comprising a base, an outer tank and an inner cylinder, a circular groove is formed on the base, the inner cylinder is fixedly connected to the inner side wall of the circular groove, and the outer tank is sleeved on the outer side wall of the inner cylinder.

[0007] A rotating part is installed on the base, the rotating part comprises a crankshaft, a hinged plate, a fixed block and a rack plate, a tooth pattern is formed on the outer surface of the bottom end of the outer tank, the fixed block is fixedly connected to the base, the rack plate is slidably connected to the side wall of the fixed block, the rack plate is engagedly connected with the tooth pattern on the outer tank, one end of the crankshaft is rotatably connected to the base, and the crankshaft and one end of the rack plate are hingedly connected through the hinged plate.

[0008] Preferably, the rotating part further comprises a rotating rod, a horizontal plate and an upper cover, the upper cover is installed on the upper end of the inner cylinder, one end of the rotating rod is fixedly connected with the end of the crankshaft away from the base, one end of the horizontal plate is rotatably connected to the rotating rod, and the other end is fixedly connected with the upper cover.

[0009] Preferably, a cavity is sleeved on the rotating rod, the cavity is connected with the base, and two pistons are slidingly connected in the cavity.

[0010] Preferably, two threads are formed in the rotating rod, the two threads are in the cavity, the two pistons are threadedly connected on the rotating rod, and an air inlet hole is formed in the cavity.

[0011] Preferably, two exhaust cavities are fixedly connected on the outer tank, the two exhaust cavities are connected in communication through a connecting pipe, and one-way valves are respectively installed on the air inlet hole and the connecting pipe.

[0012] Preferably, a rotating shaft is rotatably connected on the horizontal plate, an installation plate is fixedly connected on the rotating shaft, scraper plates are respectively fixedly connected at two ends of the installation plate, and the scraper plates are slidingly connected with the inner side wall of the inner cylinder.

[0013] Compared with the prior art, the continuous freezing crystallization system has the advantages that:

[0014] 1. External cold air is filled into the outer tank through the cavity, the connecting pipe and the exhaust cavities, and the two exhaust cavities are symmetrically arranged on the two sides of the outer tank, so that the cold air can be quickly and uniformly distributed on the outer surface of the inner cylinder during the process of filling the cold air into the outer tank, and the crystallization effect of the material in the inner cylinder is better.

[0015] 2. Meanwhile, the rotating shaft can be driven to rotate through the transmission belt during the rotation of the rotating rod, the installation plate and the scraper plates can be driven to rotate through the rotating shaft, and the scraper plates can scrape off the objects attached to the inner side wall of the inner cylinder during the rotation, so that the crystallization is better, and the discharge of the material in the inner cylinder is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front structure schematic view of the continuous freezing crystallization system according to the present application;

[0017] Figure 2 It is a cavity internal structure schematic view of the continuous freezing crystallization system according to the present application;

[0018] Figure 3 It is Figure 1 It is a local enlarged view of A in the figure;

[0019] Figure 4 It is a scraper plate structure schematic view of the continuous freezing crystallization system according to the present application.

[0020] In the figure: 1 outer tank, 2 inner cylinder, 3 cross plate, 4 upper cover, 5 rotating shaft, 6 transmission belt, 7 rotating rod, 8 cavity, 9 connecting pipe, 10 exhaust cavity, 11 base, 12 piston, 13 rack plate, 14 fixed block, 15 hinged plate, 16 crankshaft, 17 mounting plate, 18 scraper. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the utility model are only for the convenience of clear description, rather than to limit the scope of the utility model that can be implemented. The change or adjustment of the relative relationship is also regarded as the scope of the utility model that can be implemented without substantial change of the technical content.

[0023] Referring to Figures 1-4 A continuous freezing and crystallization system, comprising a base 11, an outer tank 1 and an inner cylinder 2, the outer tank 1 and the inner cylinder 2 are sealingly arranged, a circular groove is formed on the base 11, the inner cylinder 2 is fixedly connected to the inner side wall of the circular groove, and the outer tank 1 is sleeved on the outer side wall of the inner cylinder 2.

[0024] A rotating part is installed on the base 11, the rotating part comprises a crankshaft 16, a hinged plate 15, a fixed block 14 and a rack plate 13, a tooth pattern is formed on the outer surface of the bottom end of the outer tank 1, the fixed block 14 is fixedly connected to the base 11, the rack plate 13 is slidingly connected to the side wall of the fixed block 14, the rack plate 13 is in meshing connection with the tooth pattern on the outer tank 1, and the rack plate 13 can drive the outer tank 1 to rotate when the rack plate 13 rotates, one end of the crankshaft 16 is rotatably connected to the base 11, and the crankshaft 16 is hinged between one end of the rack plate 13 through the hinged plate 15, the rotating part further comprises a rotating rod 7, a cross plate 3 and an upper cover 4, the upper cover 4 is installed on the upper end of the inner cylinder 2 and can close the upper end of the inner cylinder 2, one end of the rotating rod 7 is fixedly connected to the end of the crankshaft 16 away from the base 11, one end of the cross plate 3 is rotatably connected to the rotating rod 7, and the other end is fixedly connected to the upper cover 4, the rotating shaft 5 is rotatably connected to the cross plate 3, the mounting plate 17 is fixedly connected to the rotating shaft 5, the scraper 18 is fixedly connected to the two ends of the mounting plate 17, and the scraper 18 is slidingly connected to the inner side wall of the inner cylinder 2.

[0025] The cavity 8 is sleeved on the rotating rod 7, and the cavity 8 is connected with the base 11; the cavity 8 is fixedly connected with the base 11, so that the rotating rod 7 can only drive the piston 12 to rotate when the rotating rod 7 rotates; the cavity 8 is slidably connected with two pistons 12; two threads are formed in the rotating rod 7, and the two threads are located in the cavity 8; the two pistons 12 are threadedly connected with the rotating rod 7; an air inlet hole is formed in the cavity 8 and is in communication with an external cold gas storage tank; the outer tank 1 is fixedly connected with two exhaust cavities 10; the two exhaust cavities 10 are in communication with the cavity 8 through a connecting pipe 9; and the air inlet hole and the connecting pipe 9 are respectively provided with a one-way valve.

[0026] In the utility model, in use, first the rotating rod 7 is connected with external servo motor far from the crankshaft 16, external servo motor drives rotating rod 7 and crankshaft 16 to rotate, the crankshaft 16 can drive rack plate 13 to present horizontal reciprocating movement through hinged plate 15 when rotating, because rack plate 13 is connected with the bottom of outer tank 1 through the meshing of thread, so can drive outer tank 1 to reciprocate positively and negatively when rack plate 13 moves, and two pistons 12 move centrally when rotating rod 7 rotates, one-way valve on air inlet hole closes, one-way valve on connecting pipe 9 opens, two pistons 12 can extrude cold gas in cavity 8 to enter exhaust cavity 10 through connecting pipe 9, and cold gas is discharged into the space between outer tank 1 and inner cylinder 2 through exhaust cavity 10, and the object in inner cylinder 2 is cooled and crystallized, when two pistons 12 move away from each other, one-way valve on air inlet hole opens, one-way valve on connecting pipe 9 closes, and external cold gas is sucked into cavity 8 through air inlet hole, so reciprocating, can continuously fill external cold gas into outer tank 1 through cavity 8, connecting pipe 9 and exhaust cavity 10, because two exhaust cavities 10 are symmetrically arranged on the two sides of outer tank 1, and external cold gas is filled in outer tank 1 through two exhaust cavities 10, and outer tank 1 reciprocates continuously, so that two exhaust cavities 10 can quickly and evenly distribute cold gas on the outer surface of inner cylinder 2, and the object in inner cylinder 2 has better crystallization effect.

[0027] Meanwhile, rotating rod 7 can drive rotating shaft 5 to rotate through transmission belt 6 when rotating, rotating shaft 5 can drive mounting plate 17 and scraper 18 to rotate, and scraper 18 can scrape the object adhered to the inner wall of inner cylinder 2 when rotating, which is beneficial to better crystallization and discharge of the object in inner cylinder 2.

[0028] In the utility model, unless otherwise clearly defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense.

[0029] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A continuous freeze crystallization system comprising a base (11), an outer tank (1) and an inner cylinder (2), characterized in that, The base (11) is provided with a circular groove, and the inner cylinder (2) is fixedly connected to the inner side wall of the circular groove. The base (11) is provided with a rotating part, which comprises a crankshaft (16), a hinged plate (15), a fixed block (14) and a rack plate (13). The outer tank (1) is provided with a tooth pattern on the outer surface of the bottom end. The fixed block (14) is fixedly connected to the base (11), and the rack plate (13) is slidingly connected to the side wall of the fixed block (14). The rack plate (13) is engagedly connected to the tooth pattern on the outer tank (1). One end of the crankshaft (16) is rotatably connected to the base (11), and the crankshaft (16) is hingedly connected to one end of the rack plate (13) through the hinged plate (15).

2. A continuous freeze crystallization system as claimed in claim 1, characterized in that The rotating part further comprises a rotating rod (7), a cross plate (3) and an upper cover (4). The upper cover (4) is installed on the upper end of the inner cylinder (2). One end of the rotating rod (7) is fixedly connected to the end of the crankshaft (16) away from the base (11). One end of the cross plate (3) is rotatably connected to the rotating rod (7), and the other end is fixedly connected to the upper cover (4).

3. A continuous freeze crystallization system as claimed in claim 2, wherein, The rotating rod (7) is provided with a cavity (8) sleeved thereon. The cavity (8) is connected to the base (11), and two pistons (12) are slidingly connected in the cavity (8).

4. A continuous freeze crystallization system as claimed in claim 3, wherein, The rotating rod (7) is provided with two threads, both of which are in the cavity (8). The two pistons (12) are threadedly connected to the rotating rod (7), and the cavity (8) is provided with an air inlet hole.

5. A continuous freeze crystallization system as claimed in claim 4, wherein, The outer tank (1) is fixedly connected with two exhaust cavities (10). The two exhaust cavities (10) are connected in communication with the cavity (8) through a connecting pipe (9). The air inlet hole and the connecting pipe (9) are respectively provided with a one-way valve.

6. The continuous freeze crystallization system of claim 2, wherein, The cross plate (3) is rotatably connected with a rotating shaft (5). The rotating shaft (5) is fixedly connected with a mounting plate (17). The mounting plate (17) is fixedly connected with two scraping plates (18) at both ends. The scraping plates (18) are slidingly connected with the inner side wall of the inner cylinder (2).

Images