Low-temperature evaporative crystallization equipment

Abstract

The invention relates to the technical field of evaporative crystallization, and discloses low-temperature evaporative crystallization equipment which comprises a support frame, the crystallizing tank is fixedly connected to the top surface of the support frame; and an operation assembly is fixedly connected in the crystallizing tank. According to the low-temperature evaporative crystallization equipment, a motor is started to operate, a rotating rod mounting shaft rotates, the mounting shaft drives a scraping rod to rotate, residual crystal slag on the inner wall of the crystallization tank is removed, and equipment faults caused by accumulation of the crystal slag are reduced; a rotating rod drives a reciprocating screw rod to rotate, so that a sliding block drives an annular block to move, and the annular block drives a conveying rod to move through a fixed rod, so that the crystal slag is pushed to a discharging pipe; when the scraping rod rotates, the scraping rod abuts against the conveying rod to synchronously rotate, and meanwhile, the conveying rod drives the annular block to rotate in the annular groove, so that the conveying rod rotates along with the scraping rod while moving left and right, crystal slag in the crystallizing tank is conveyed while being cleaned by the conveying rod, and the cleaning efficiency of the inner wall of the crystallizing tank is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of evaporative crystallization, in particular to a low-temperature evaporative crystallization equipment. BACKGROUND

[0002] The low-temperature evaporative crystallization equipment is an equipment for evaporating and crystallizing under low-temperature conditions, mainly used for processing heat-sensitive materials and easily crystallized substances. Its working principle is to lower the boiling point of the solution under reduced pressure, thereby realizing low-temperature evaporation and crystallization.

[0003] According to the vacuum low-temperature evaporative crystallization equipment disclosed by Chinese patent CN221014563U, a scraping mechanism is arranged inside the crystallization tank, and the scraping mechanism includes a scraping unit, the scraping unit includes a bearing groove, a first bearing, a rotating shaft, a connecting rod, a scraper and a second bearing, the bearing groove is respectively arranged on the side surface of the left baffle and the right baffle, the first bearing is fixedly installed on the inner wall of the bearing groove, the rotating shaft is fixedly installed on the inner wall of the first bearing, the connecting rod is fixedly installed on one end of the outer surface of the rotating shaft, the scraper is fixedly installed on one side of the end of the connecting rod, and the second bearing is fixedly installed on the inner wall of the bearing groove arranged on the side of the right baffle. The vacuum low-temperature evaporative crystallization equipment can effectively prevent the accumulation of crystals and the failure to remove dirt by setting the scraper and the rotating shaft, which can drive the connecting rod and the scraper to rotate when the rotating shaft rotates with the second gear.

[0004] In the above-mentioned device, the scraper is used to contact the crystals adhering to the inner wall of the crystallization tank to remove the crystals, thereby preventing the crystals from accumulating for a long time and causing dirt to be unable to be removed. However, the removal structure is relatively simple, which can cause the removal time to be relatively long, and the use of the scraper for a long time can increase the wear rate of the scraper and the inner wall of the crystallization tank.

[0005] Therefore, we provide a low-temperature evaporative crystallization equipment. SUMMARY

[0006] The present application aims to provide a low-temperature evaporative crystallization equipment to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a low-temperature evaporative crystallization equipment, comprising: a support frame;

[0008] A crystallization tank fixedly connected to the top surface of the support frame;

[0009] A feed pipe communicated with the top of the crystallization tank;

[0010] A discharge pipe communicated with the bottom of the crystallization tank;

[0011] The operation assembly is fixedly connected inside the crystallization tank; the operation assembly comprises a scraping part fixedly connected inside the crystallization tank, the scraping part is connected with a conveying part, and an anti-blocking part is arranged below the conveying part.

[0012] Preferably, the scraping part comprises a motor fixedly connected inside the support frame, an output end of the motor is fixedly connected with a rotating rod, a right end of the rotating rod penetrates through the left side of the crystallization tank, an outer wall of the rotating rod is fixedly connected with a mounting shaft, an outer wall of the mounting shaft is fixedly connected with a mounting rod, one end of the mounting rod away from the mounting shaft is fixedly connected with a scraping rod, the rotating rod drives the mounting shaft to rotate, the mounting shaft drives the scraping rod to rotate through the mounting rod, thereby removing the residual crystalline slag on the inner wall of the crystallization tank.

[0013] Preferably, the conveying part comprises a reciprocating screw rod fixedly connected to the right end side of the rotating rod, a right end of the reciprocating screw rod is rotatably connected to the right side of the crystallization tank through a bearing, an outer wall of the reciprocating screw rod is threadedly connected with a sliding block, an outer wall of the sliding block is provided with an annular groove, an inner surface of the annular groove is rotatably connected with an annular block, an outer wall of the annular block is fixedly connected with a fixing rod, one end of the fixing rod away from the annular block is fixedly connected with a conveying rod, the reciprocating screw rod is rotated to drive the sliding block to move, the annular block drives the conveying rod to move through the fixing rod, thereby pushing the crystalline slag to the discharge pipe, improving the discharging efficiency of the crystalline slag, and the conveying rod rotates with the scraping rod, so that the conveying rod removes and conveys the crystalline slag in the crystallization tank, improving the cleaning efficiency of the inner wall of the crystallization tank.

[0014] Preferably, the anti-blocking part comprises an extension pipe communicatedly arranged at the bottom end of the discharge pipe, an inner wall of the extension pipe is fixedly connected with a U-shaped rod, an outer wall of the U-shaped rod is slidably connected with a moving block, a bottom of the moving block is fixedly connected with an adjusting spring, one end of the adjusting spring away from the bottom of the moving block is fixedly connected to the inner surface of the U-shaped rod, an inner wall of the moving block is fixedly connected with a cross rod frame, a top of the cross rod frame is fixedly connected with a shaft rod, an outer wall of the shaft rod is fixedly connected with a crushing knife, a top of the shaft rod is fixedly connected with a linkage rod, the linkage rod is repeatedly pressed to drive the crushing knife to move up and down through the shaft rod, so that the crushing knife is repeatedly moved up and down, thereby sufficiently stirring and crushing the crystalline slag, ensuring the smoothness of the crystalline slag discharge, and avoiding the discharge blockage.

[0015] Preferably, the outer side of the scraping rod is in contact with the inner surface of the crystallization tank, one side of the scraping rod is in contact with the front side of the conveying rod, the scraping rod is rotated to remove the residual crystals on the inner wall of the crystallization tank, and the scraping rod is rotated to synchronously rotate the conveying rod.

[0016] Preferably, the two ends of the reciprocating wire rod are fixedly connected with limiting blocks, and the two limiting blocks are symmetrically arranged, the movement of the sliding block is limited by the two limiting blocks, and the sliding block is prevented from being separated from the reciprocating wire rod.

[0017] Preferably, the conveying rod is arranged in contact with the inner surface of the crystallization tank on the side away from the fixed rod, and the right side of the conveying rod is arranged in abutment with the top end of the linkage rod, the linkage rod is extruded by the movement of the conveying rod, the linkage rod drives the crushing knife to move downward through the shaft, the crystalline slag is stirred and crushed, and the discharge is prevented from being blocked.

[0018] Preferably, the top end of the linkage rod penetrates the bottom of the discharge pipe and extends into the interior of the crystallization tank, so that the linkage rod can be pressed by the movement of the conveying rod and move up and down.

[0019] Compared with the prior art, the low-temperature evaporation crystallization equipment has the following beneficial effects:

[0020] 1. The low-temperature evaporation crystallization equipment drives the rotating rod to rotate by starting the motor, drives the mounting shaft to rotate by the rotating rod, drives the scraping rod to rotate by the mounting shaft, thereby removing the crystalline slag remaining on the inner wall of the crystallization tank, reducing the equipment failure caused by the accumulation of crystalline slag, and ensuring the normal operation of the equipment.

[0021] 2. The low-temperature evaporation crystallization equipment drives the reciprocating wire rod to rotate by the rotating rod, drives the sliding block to move left and right by the reciprocating wire rod, drives the fixed rod to move left and right by the annular block, and drives the conveying rod to move left and right by the fixed rod, thereby pushing the crystalline slag to the discharge pipe, and improving the discharge efficiency of the crystalline slag.

[0022] 3. The low-temperature evaporation crystallization equipment, when the scraping rod rotates, the scraping rod abuts the conveying rod to rotate synchronously, and the conveying rod drives the annular block to rotate in the annular groove, thereby making the conveying rod move left and right while rotating with the scraping rod, so that the conveying rod removes and transports the crystalline slag in the crystallization tank, and improves the cleaning efficiency of the inner wall of the crystallization tank.

[0023] 4、The low-temperature evaporation crystallization equipment, through the left and right movement of the conveying rod, and the pressing of the top end of the linkage rod, the linkage rod is stressed to drive the shaft rod to move downward, the shaft rod drives the crushing knife to move downward, thereby the crystal slag is stirred and crushed, at the same time, the shaft rod drives the cross rod frame to move downward, the cross rod frame drives the moving block to move downward, the moving block slides downward on the outer wall of the U-shaped rod, and the adjusting spring is extruded, so that the adjusting spring is compressed, when the conveying rod moves away from the linkage rod, the elasticity of the adjusting spring is used for resetting, at the same time, the adjusting spring drives the moving block to reset and move upward, the moving block drives the cross rod frame to move upward, the cross rod frame drives the shaft rod to move upward, the shaft rod drives the crushing knife to move upward, and the crushing knife is repeatedly moved upward and downward, so that the crystal slag is fully stirred and crushed, the smoothness of the crystal slag discharge is ensured, and the discharge blockage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic view of the present application;

[0025] Figure 2 It is a cut structure schematic view of the present application;

[0026] Figure 3 It is an internal structure schematic view of the crystallization tank of the present application;

[0027] Figure 4 It is a structure schematic view of the scraping part of the present application;

[0028] Figure 5 It is a structure schematic view of the conveying part of the present application;

[0029] Figure 6 It is a structure schematic view of the anti-blocking part of the present application.

[0030] In the figure: support frame 1, crystallization tank 2, feed pipe 3, discharge pipe 4, operation assembly 5, scraping part 51, motor 511, rotating rod 512, mounting shaft 513, mounting rod 514, scraping rod 515, conveying part 52, reciprocating screw rod 521, sliding block 522, annular groove 523, annular block 524, fixed rod 525, conveying rod 526, anti-blocking part 53, extension pipe 531, U-shaped rod 532, moving block 533, adjusting spring 534, cross rod frame 535, shaft rod 536, crushing knife 537, linkage rod 538. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0032] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0033] Example 1: The low-temperature evaporation crystallization equipment provided by the present invention, such as... Figures 1 to 6 As shown: A low-temperature evaporation crystallization device, comprising: a support frame 1;

[0034] Crystallization tank 2 is fixedly connected to the top surface of support frame 1;

[0035] Connect to the feed pipe 3 located at the top of the crystallization tank 2;

[0036] Connect to the discharge pipe 4 located at the bottom of the crystallization tank 2;

[0037] An operating component 5 is fixedly connected inside the crystallization tank 2; the operating component 5 includes a scraping part 51 fixedly connected inside the crystallization tank 2, the scraping part 51 is connected to a conveying part 52, and an anti-clogging part 53 is provided below the conveying part 52.

[0038] The scraping unit 51 includes a motor 511 fixedly connected to the inside of the support frame 1. A rotating rod 512 is fixedly connected to the output end of the motor 511. The right end of the rotating rod 512 passes through the left side of the crystallization tank 2. An installation shaft 513 is fixedly connected to the outer wall of the rotating rod 512. An installation rod 514 is fixedly connected to the outer wall of the installation shaft 513. A scraping rod 515 is fixedly connected to the end of the installation rod 514 away from the installation shaft 513. The rotating rod 512 drives the installation shaft 513 to rotate, and the installation shaft 513 drives the scraping rod 515 to rotate through the installation rod 514, thereby removing the residual crystal slag on the inner wall of the crystallization tank 2.

[0039] In this embodiment, the outer side of the scraper 515 is in contact with the inner surface of the crystallization tank 2, and one side of the scraper 515 is in contact with the front side of the conveyor 526. The scraper 515 is rotated to remove the crystals adhering to the inner wall of the crystallization tank 2. At the same time, the scraper 515 rotates in conjunction with the conveyor 526.

[0040] Example 2: Based on Example 1, the low-temperature evaporation crystallization equipment provided by the present invention, such as... Figures 1 to 6The conveying part 52 includes a reciprocating screw rod 521 fixedly connected to the right end side of the rotating rod 512, the right end of the reciprocating screw rod 521 is rotatably connected to the right side of the crystallization tank 2 through a bearing, the outer wall of the reciprocating screw rod 521 is threadedly connected with a sliding block 522, the outer wall of the sliding block 522 is provided with an annular groove 523, the inner surface of the annular groove 523 is rotatably connected with an annular block 524, the outer wall of the annular block 524 is fixedly connected with a fixed rod 525, one end of the fixed rod 525 away from the annular block 524 is fixedly connected with a conveying rod 526, the sliding block 522 drives the annular block 524 to move by rotating the reciprocating screw rod 521, the annular block 524 drives the conveying rod 526 to move through the fixed rod 525, so that the crystalline slag is pushed to the discharge pipe 4, the discharge efficiency of the crystalline slag is improved, and the conveying rod 526 rotates with the scraping rod 515, so that the conveying rod 526 removes and conveys the crystalline slag in the crystallization tank 2, and the cleaning efficiency of the inner wall of the crystallization tank 2 is improved.

[0041] In the embodiment, the outer walls of the two ends of the reciprocating screw rod 521 are respectively fixedly connected with limiting blocks, the two limiting blocks are symmetrically arranged, the movement of the sliding block 522 is limited by the two limiting blocks, and the sliding block 522 is prevented from being separated from the reciprocating screw rod 521.

[0042] Further, one side of the conveying rod 526 away from the fixed rod 525 is in contact with the inner surface of the crystallization tank 2, and the right side of the lower conveying rod 526 is in contact with the top end of the linkage rod 538, the linkage rod 538 is extruded by the movement of the conveying rod 526, the linkage rod 538 drives the crushing knife 537 to move downward through the shaft rod 5369, the crystalline slag is stirred and crushed, and the discharge is prevented from being blocked.

[0043] Embodiment 3: On the basis of embodiment 1, the low-temperature evaporation crystallization equipment provided by the application comprises a crystallization tank 2, a discharge pipe 4, a conveying part 52 and a scraping part 53. Figures 1 to 6 As shown: the anti-blocking part 53 includes an extension pipe 531 communicatedly arranged at the bottom end of the discharge pipe 4, the inner wall of the extension pipe 531 is fixedly connected with a U-shaped rod 532, the outer wall of the U-shaped rod 532 is slidably connected with a moving block 533, the bottom of the moving block 533 is fixedly connected with an adjusting spring 534, one end of the adjusting spring 534 away from the bottom of the moving block 533 is fixedly connected to the inner surface of the U-shaped rod 532, the inner wall of the moving block 533 is fixedly connected with a cross rod frame 535, the top of the cross rod frame 535 is fixedly connected with a shaft rod 536, the outer wall of the shaft rod 536 is fixedly connected with a crushing knife 537, the top of the shaft rod 536 is fixedly connected with a linkage rod 538, the linkage rod 538 is repeatedly pressed, the linkage rod 538 drives the crushing knife 537 to move up and down through the shaft rod 536, the crushing knife 537 is repeatedly moved upward and downward, so that the crystalline slag is fully stirred and crushed, the smoothness of the crystalline slag discharge is ensured, and the discharge is prevented from being blocked.

[0044] In this embodiment, the top end of the linkage rod 538 penetrates the bottom of the discharge pipe 4 and extends to the inside of the crystallization tank 2, facilitating the pressing of the linkage rod 538 when the conveying rod 526 moves, so that the linkage rod 538 can move up and down.

[0045] In actual operation, when the device is in use, the motor 511 is started to drive the rotating rod 512 to rotate, the rotating rod 512 drives the mounting shaft 513 to rotate, the mounting shaft 513 drives the scraping rod 515 to rotate through the mounting rod 514, thereby removing the residual crystalline slag on the inner wall of the crystallization tank 2, reducing equipment failure caused by crystalline slag accumulation, and ensuring normal operation of the equipment.

[0046] At the same time, the rotating rod 512 drives the reciprocating screw rod 521 to rotate, so that the sliding block 522 drives the annular block 524 to move, the annular block 524 drives the conveying rod 526 to move through the fixed rod 525, thereby pushing the crystalline slag to the discharge pipe 4, when the scraping rod 515 rotates, the scraping rod 515 abuts against the conveying rod 526 to rotate synchronously, and at the same time, the conveying rod 526 drives the annular block 524 to rotate in the annular groove 523, so that the conveying rod 526 moves left and right while rotating with the scraping rod 515, so that the conveying rod 526 removes and conveys the crystalline slag in the crystallization tank 2, improving the cleaning efficiency of the inner wall of the crystallization tank 2.

[0047] Through the left and right movement of the conveying rod 526 and the pressing of the top end of the linkage rod 538, the linkage rod 538 is driven to move downward under the force of the shaft rod 536, the shaft rod 536 drives the breaking knife 537 to move downward, thereby breaking and breaking the crystalline slag, at the same time, the shaft rod 536 drives the cross rod frame 535 to move downward, the moving block 533 moves downward on the outer wall of the U-shaped rod 532, and the adjusting spring 534 is extruded, so that the adjusting spring 534 is compressed, when the conveying rod 526 moves away from the linkage rod 538, the elasticity of the adjusting spring 534 is used for resetting, at the same time, the adjusting spring 534 drives the moving block 533 to reset and move upward, the moving block 533 drives the cross rod frame 535 to move upward, the cross rod frame 535 drives the shaft rod 536 to move upward, and the shaft rod 536 drives the breaking knife 537 to move upward, so as to repeatedly move up and down, thereby fully breaking and breaking the crystalline slag, ensuring the smoothness of the crystalline slag discharge, and avoiding the blockage of the discharge.

[0048] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A low-temperature evaporation crystallization apparatus, comprising: Support frame (1); The crystallizing tank (2) is fixedly connected to the top surface of the support frame (1); Connect to the feed pipe (3) located at the top of the crystallizer (2); Connect to the discharge pipe (4) located at the bottom of the crystallizer (2); The crystallization tank (2) is characterized in that: an operating component (5) is fixedly connected inside the crystallization tank (2); the operating component (5) includes a scraping part (51) fixedly connected inside the crystallization tank (2), the scraping part (51) is connected to a conveying part (52), and an anti-clogging part (53) is provided below the conveying part (52).

2. The low-temperature evaporation crystallization equipment according to claim 1, characterized in that: The scraping part (51) includes a motor (511) fixedly connected to the inside of the support frame (1). The output end of the motor (511) is fixedly connected to a rotating rod (512). The right end of the rotating rod (512) passes through the left side of the crystallizing tank (2). The outer wall of the rotating rod (512) is fixedly connected to an installation shaft (513). The outer wall of the installation shaft (513) is fixedly connected to an installation rod (514). The end of the installation rod (514) away from the installation shaft (513) is fixedly connected to a scraping rod (515).

3. The low-temperature evaporation crystallization equipment according to claim 1, characterized in that: The conveying unit (52) includes a reciprocating screw (521) fixedly connected to the right side of the rotating rod (512). The right end of the reciprocating screw (521) is rotatably connected to the right side of the crystallizing tank (2) via a bearing. A sliding block (522) is threadedly connected to the outer wall of the reciprocating screw (521). An annular groove (523) is provided on the outer wall of the sliding block (522). An annular block (524) is rotatably connected to the inner surface of the annular groove (523). A fixing rod (525) is fixedly connected to the outer wall of the annular block (524). A conveying rod (526) is fixedly connected to the end of the fixing rod (525) away from the annular block (524).

4. The low-temperature evaporation crystallization equipment according to claim 1, characterized in that: The anti-clogging part (53) includes an extension pipe (531) connected to the bottom end of the discharge pipe (4). A U-shaped rod (532) is fixedly connected to the inner wall of the extension pipe (531). A moving block (533) is slidably connected to the outer wall of the U-shaped rod (532). An adjusting spring (534) is fixedly connected to the bottom of the moving block (533). One end of the adjusting spring (534) away from the bottom of the moving block (533) is fixedly connected to the inner surface of the U-shaped rod (532). A cross rod frame (535) is fixedly connected to the inner wall of the moving block (533). A shaft rod (536) is fixedly connected to the top of the cross rod frame (535). A crushing blade (537) is fixedly connected to the outer wall of the shaft rod (536). A linkage rod (538) is fixedly connected to the top of the shaft rod (536).

5. The low-temperature evaporation crystallization equipment according to claim 2, characterized in that: The outer side of the scraper (515) is in contact with the inner surface of the crystallization tank (2), and one side of the scraper (515) is in contact with the front side of the conveying rod (526).

6. The low-temperature evaporation crystallization equipment according to claim 3, characterized in that: Limiting blocks are fixedly connected to the outer walls of both ends of the reciprocating lead screw (521), and the two limiting blocks are symmetrically arranged.

7. The low-temperature evaporation crystallization equipment according to claim 3, characterized in that: The side of the conveying rod (526) away from the fixed rod (525) is in contact with the inner surface of the crystallization tank (2), and the right side of the lower conveying rod (526) is in contact with the top of the linkage rod (538).

8. The low-temperature evaporation crystallization equipment according to claim 4, characterized in that: The top end of the linkage rod (538) passes through the bottom of the discharge pipe (4) and extends into the interior of the crystallizer (2).

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