Low-temperature evaporation and concentration equipment

Abstract

The utility model discloses low-temperature evaporation and concentration equipment which comprises a vacuum tank, a heating rod is arranged in the vacuum tank, a mounting chassis is slidably sleeved in a mounting hole, a fixed plate is fixedly connected in the vacuum tank, and the end part of the outer wall of the heating rod is slidably sleeved with a limiting seat. A locking assembly for fixing the mounting base plate is arranged at the bottom of the vacuum tank, the fixing lantern ring is fixedly connected to the bottom of the vacuum tank, the outer wall of the fixing lantern ring is fixedly sleeved with the first limiting lantern ring, and the outer wall of the mounting base plate is fixedly sleeved with the second limiting lantern ring. The first limiting lantern ring and the second limiting lantern ring are sleeved with the locking piece through the fixing assembly. The vacuum tank, the heating rod, the mounting base plate, the fixing plate, the limiting seat and the locking assembly are used in a matched mode, the mounting base plate can be directly taken down by taking down the locking piece, and the heating rod is taken out, so that the convenience of cleaning and maintaining the heating rod is improved.

Description

Technical Field

[0001] The utility model relates to the field of concentration equipment, in particular to low-temperature evaporation concentration equipment. Background Art

[0002] Low-temperature evaporation and concentration equipment is a device used to concentrate solutes in liquids. Low-temperature evaporation and concentration equipment usually consists of an evaporator, a condenser, a cooling system and a control system.

[0003] The evaporator is a component used to heat the liquid to the evaporation temperature and evaporate it into water vapor. The evaporator is usually composed of a vacuum tank and a heating rod. The heating rod is installed inside the vacuum tank, so that the heating rod is powered on to heat the liquid inside the vacuum tank.

[0004] The heating rod is usually directly fixed inside the vacuum tank. After the heating rod has been working for a period of time, the solution inside the vacuum tank will produce crystals that will adhere to the outside of the heating rod, thereby affecting the working efficiency of the heating rod. The heating rod needs to be disassembled, cleaned and maintained regularly. However, since the heating rod is usually directly fixed inside the vacuum tank, it is not convenient to directly disassemble and maintain the heating rod. Utility Model Content

[0005] The purpose of the utility model is to provide a low-temperature evaporation and concentration device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a low-temperature evaporation and concentration device, comprising a vacuum tank, wherein a heating rod is arranged inside the vacuum tank;

[0007] The bottom of the vacuum tank is provided with a mounting hole, the interior of the mounting hole is slidably sleeved with a mounting chassis, the interior of the vacuum tank is fixedly connected with a fixing plate, the fixing plate and the opposite side of the mounting chassis are fixedly connected with a limiting seat, the end of the outer wall of the heating rod is slidably sleeved with the limiting seat, and the bottom of the vacuum tank is provided with a locking component for fixing the mounting chassis, and the locking component includes:

[0008] A fixed collar, the fixed collar being fixedly connected to the bottom of the vacuum tank;

[0009] a first limiting collar and a second limiting collar, wherein the first limiting collar is fixedly sleeved on the outer wall of the fixing collar, and the second limiting collar is fixedly sleeved on the outer wall of the mounting chassis;

[0010] A locking member and a fixing assembly, wherein the locking member is sleeved on the outside of the first limiting collar and the second limiting collar through the fixing assembly.

[0011] Preferably, the fixing assembly comprises:

[0012] A first fixing block and a second fixing block, wherein the side of the first fixing block and the side of the second fixing block are both fixedly connected to the locking member;

[0013] A connecting screw, a positioning assembly and a locking nut, wherein the connecting screw is installed on one side of the first fixing block through the positioning assembly, a through hole matching the connecting screw is opened on one side of the second fixing block, and the locking nut is threadedly sleeved on the outer wall of the connecting screw.

[0014] Preferably, the positioning component comprises:

[0015] A connecting column, the end of which is fixedly connected to the connecting screw;

[0016] A fixed shell and a positioning plate, one side of the fixed shell is fixedly connected to the first fixed block, the outer wall of the positioning plate is slidably inserted and sleeved with the fixed shell and the first fixed block, and one side of the connecting column is provided with a positioning groove matching the positioning plate.

[0017] Preferably, a connecting hole is opened on the front side of the first fixing block, the outer wall of the connecting column is slidably sleeved with the inner cavity of the connecting hole, and one end of the outer wall of the positioning plate is slidably engaged with the inner cavity of the positioning groove.

[0018] Preferably, a connecting block is symmetrically fixedly connected to the outer wall of the positioning plate, the connecting block is slidably sleeved with the interior of the fixed shell, and a limiting spring is provided on the side of the connecting block away from the first fixed block.

[0019] Preferably, a guide rod is symmetrically fixedly connected to the interior of the fixed shell, the outer wall of the guide rod is slidably inserted and sleeved with the connecting block, the outer wall of the guide rod is slidably sleeved with the limit spring, and one end of the positioning plate passes through the fixed shell and is fixedly connected to a handle.

[0020] Technical effects and advantages of the utility model:

[0021] The utility model utilizes the coordinated use of a vacuum tank, a heating rod, a mounting chassis, a fixing plate, a limiting seat and a locking assembly. The locking assembly includes a fixing ring, a first limiting ring, a second limiting ring, a fixing assembly and a locking piece. Under the action of the fixing assembly, the locking piece locks the first limiting ring and the second limiting ring, so that the mounting chassis can be stably installed on the bottom of the vacuum tank. By removing the locking piece, the mounting chassis can be directly removed and the heating rod can be taken out, thereby improving the convenience of cleaning and maintenance of the heating rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the internal structure of the front side of the utility model.

[0023] Figure 2 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0024] Figure 3 It is a schematic diagram of the overall structure of the locking member of the utility model.

[0025] Figure 4 It is a schematic diagram of the internal structure of the first fixing block of the utility model from above.

[0026] In the figure: 1. vacuum tank; 2. heating rod; 3. mounting chassis; 4. fixing plate; 5. limiting seat; 6. locking assembly; 61. fixing ring; 62. first limiting ring; 63. second limiting ring; 64. fixing assembly; 641. first fixing block; 642. second fixing block; 643. connecting screw; 644. positioning assembly; 6441. connecting column; 6442. fixing shell; 6443. positioning plate; 6444. connecting block; 6445. guide rod; 6446. limiting spring; 6447. handle; 645. locking nut; 65. locking piece. DETAILED DESCRIPTION

[0027] 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.

[0028] The utility model provides Figure 1-4 A low-temperature evaporation and concentration device is shown, comprising a vacuum tank 1, a heating rod 2 is arranged inside the vacuum tank 1, a mounting hole is opened at the bottom of the vacuum tank 1, a mounting chassis 3 is slidably sleeved inside the mounting hole, a fixing plate 4 is fixedly connected inside the vacuum tank 1, and a limiting seat 5 is fixedly connected to the fixing plate 4 and the opposite side of the mounting chassis 3, the limiting seat 5 can improve the stability of the installation of the heating rod 2, the end of the outer wall of the heating rod 2 is slidably sleeved with the limiting seat 5, a locking component 6 is arranged at the bottom of the vacuum tank 1 for fixing the mounting chassis 3, and the locking state of the locking component 6 on the mounting chassis 3 is released, so that the heating rod 2 can be directly taken out, and a power cord for supplying power to the heating rod 2 is fixedly inserted and connected to the mounting chassis 3, and the power cord and the mounting chassis 3 are sealed by heat-resistant sealant to ensure the sealing of the vacuum tank 1.

[0029] In particular, the locking assembly 6 includes a fixing ring 61, a first limiting ring 62, a second limiting ring 63, a locking piece 65 and a fixing assembly 64. The fixing ring 61 is fixedly connected to the bottom of the vacuum tank 1, the first limiting ring 62 is fixedly sleeved on the outer wall of the fixing ring 61, and the second limiting ring 63 is fixedly sleeved on the outer wall of the mounting chassis 3. The locking piece 65 is sleeved on the outside of the first limiting ring 62 and the second limiting ring 63 through the fixing assembly 64. The cross-section of the inner cavity of the locking piece 65 is V-shaped, and the opposite sides of the first limiting ring 62 and the second limiting ring 63 both have an inclined surface matching the inner wall of the locking piece 65. Therefore, by tightening the locking piece 65, the mounting chassis 3 and the fixing ring 61 can be kept in a tightly fitted state, and a sealing leather pad is provided between the mounting chassis 3 and the fixing ring 61.

[0030] Furthermore, the fixing assembly 64 includes a first fixing block 641, a second fixing block 642, a connecting screw 643, a positioning assembly 644 and a locking nut 645. The sides of the first fixing block 641 and the sides of the second fixing block 642 are fixedly connected to the locking piece 65. The connecting screw 643 is installed on one side of the first fixing block 641 through the positioning assembly 644. A through hole matching the connecting screw 643 is opened on one side of the second fixing block 642. The locking nut 645 is threadedly sleeved on the outer wall of the connecting screw 643, and the locking nut 645 is located on the side of the second fixing block 642 away from the first fixing block 641. Therefore, by rotating the locking nut 645 to reduce the distance between the first fixing block 641 and the second fixing block 642, the notch of the locking piece 65 can be reduced, so that the locking piece 65 is tightly wrapped around the outside of the first limiting ring 62 and the second limiting ring 63.

[0031] In particular, the positioning assembly 644 includes a connecting column 6441, a fixed shell 6442 and a positioning plate 6443. The end of the connecting column 6441 is fixedly connected to the connecting screw 643, one side of the fixed shell 6442 is fixedly connected to the first fixed block 641, the outer wall of the positioning plate 6443 is slidably inserted and sleeved with the fixed shell 6442 and the first fixed block 641, one side of the connecting column 6441 is provided with a positioning groove matching the positioning plate 6443, the front of the first fixed block 641 is provided with a connecting hole, the outer wall of the connecting column 6441 is slidably sleeved with the inner cavity of the connecting hole, one end of the outer wall of the positioning plate 6443 is slidably engaged with the inner cavity of the positioning groove, and the positioning plate 6443 is slidably engaged with the connecting column 6441, so that the connecting screw 643 can maintain a stably connected state with the first fixed block 641 through the connecting column 6441, the outer wall of the positioning plate 6443 is symmetrically fixedly connected with the connecting block 6444, and the connecting block 6444 is slidably sleeved with the fixed shell The inner part of the body 6442 and the side of the connecting block 6444 facing away from the first fixed block 641 are provided with a limiting spring 6446, and the limiting spring 6446 can give an elastic effect to the positioning plate 6443, so as to improve the stability of the sliding engagement between the positioning plate 6443 and the connecting column 6441. The inner part of the fixed shell 6442 is symmetrically fixedly connected with a guide rod 6445, and the outer wall of the guide rod 6445 is slidably inserted and sleeved with the connecting block 6444, and the outer wall of the guide rod 6445 is slidably sleeved with the limiting spring 6446. One end of the positioning plate 6443 passes through the fixed shell 6442 and is fixedly connected with a handle 6447. When the heating rod 2 needs to be disassembled, the handle 6447 is directly pulled to separate the positioning plate 6443 from the connecting column 6441, so that the connecting column 6441 slides with the first fixed block 641. At this time, the locking piece 65 is directly in a loose state, and then the mounting chassis 3 and the heating rod 2 can be directly removed for cleaning and maintenance.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-temperature evaporation and concentration device, comprising a vacuum tank (1), wherein a heating rod (2) is arranged inside the vacuum tank (1); It is characterized in that The bottom of the vacuum tank (1) is provided with a mounting hole, the interior of the mounting hole is slidably sleeved with a mounting chassis (3), the interior of the vacuum tank (1) is fixedly connected with a fixing plate (4), the opposite sides of the fixing plate (4) and the mounting chassis (3) are fixedly connected with a limiting seat (5), the end of the outer wall of the heating rod (2) is slidably sleeved with the limiting seat (5), and the bottom of the vacuum tank (1) is provided with a locking component (6) for fixing the mounting chassis (3), and the locking component (6) comprises: A fixed collar (61), wherein the fixed collar (61) is fixedly connected to the bottom of the vacuum tank (1); A first limiting collar (62) and a second limiting collar (63), wherein the first limiting collar (62) is fixedly sleeved on the outer wall of the fixing collar (61), and the second limiting collar (63) is fixedly sleeved on the outer wall of the mounting chassis (3); A locking member (65) and a fixing assembly (64), wherein the locking member (65) is sleeved on the outside of the first limiting collar (62) and the second limiting collar (63) through the fixing assembly (64).

2. A low-temperature evaporation and concentration device according to claim 1, characterized in that: The fixing assembly (64) comprises: A first fixing block (641) and a second fixing block (642), wherein the side of the first fixing block (641) and the side of the second fixing block (642) are both fixedly connected to the locking member (65); A connecting screw (643), a positioning assembly (644) and a locking nut (645), wherein the connecting screw (643) is installed on one side of the first fixing block (641) through the positioning assembly (644), a through hole matching the connecting screw (643) is opened on one side of the second fixing block (642), and the locking nut (645) is threadedly sleeved on the outer wall of the connecting screw (643).

3. A low-temperature evaporation and concentration device according to claim 2, characterized in that: The positioning assembly (644) includes: A connecting column (6441), the end of which is fixedly connected to a connecting screw (643); A fixed shell (6442) and a positioning plate (6443), one side of the fixed shell (6442) is fixedly connected to the first fixed block (641), the outer wall of the positioning plate (6443) is slidably inserted and sleeved with the fixed shell (6442) and the first fixed block (641), and one side of the connecting column (6441) is provided with a positioning groove matching the positioning plate (6443).

4. A low-temperature evaporation and concentration device according to claim 3, characterized in that: A connecting hole is provided on the front side of the first fixing block (641), the outer wall of the connecting column (6441) is slidably connected with the inner cavity of the connecting hole, and one end of the outer wall of the positioning plate (6443) is slidably connected with the inner cavity of the positioning groove.

5. The low-temperature evaporation and concentration equipment according to claim 3, characterized in that: The outer wall of the positioning plate (6443) is symmetrically fixedly connected with a connecting block (6444), and the connecting block (6444) is slidably sleeved with the interior of the fixed shell (6442). A limiting spring (6446) is provided on the side of the connecting block (6444) facing away from the first fixed block (641).

6. A low-temperature evaporation and concentration device according to claim 5, characterized in that: The interior of the fixed shell (6442) is symmetrically fixedly connected with a guide rod (6445), the outer wall of the guide rod (6445) is slidably inserted and sleeved with the connecting block (6444), the outer wall of the guide rod (6445) is slidably sleeved with the limit spring (6446), and one end of the positioning plate (6443) passes through the fixed shell (6442) and is fixedly connected with a handle (6447).

Images