Evaporative crystallization device for MVR (Mechanical Vapor Recompression) preparation

Abstract

The utility model discloses an evaporative crystallization device for MVR (Mechanical Vapor Recompression) preparation. The evaporative crystallization device comprises an evaporation tank body, a steam inlet pipe and a steam outlet pipe are fixedly arranged on the right side of the evaporation tank body, a liquid discharge pipe is fixedly arranged at the bottom of the evaporation tank body, a control valve is fixedly mounted on the liquid discharge pipe, and a liquid inlet pipe is fixedly arranged at the top of the evaporation tank body. Water flow is conveyed into the conveying pipe through external conveying equipment, enters the flow dividing box through the water inlet hole for flow dividing and then is sprayed to the inner wall of the evaporation tank body through the spraying pipe, the spraying pipe is pushed to move through reverse thrust of the water flow, the flow dividing box rotates through the connecting assembly, and different positions of the inner wall of the evaporation tank body can be washed; wherein the inner wall of the evaporation tank body is washed through water flow, so that the situation that the interior of the evaporation tank body is scratched by adopting a scraper blade mode is avoided, the evaporation tank body is conveniently protected, and the situation that the service life of the evaporation tank body is affected due to damage of the evaporation tank body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the evaporative crystallization technical field of MVR preparation, especially a kind of evaporative crystallization device of MVR preparation. BACKGROUND

[0002] Metal-organic framework is a kind of crystalline porous material with periodic network structure formed by mutual connection of metal ions or metal clusters and organic ligand through self-assembly, wherein the pore size and channel surface properties of metal-organic framework can be accurately controlled by selecting different metal ions, organic ligand and synthesis method to meet the needs of different applications, and it can be functionally modified to introduce various functional groups, and the current preparation method of metal-organic framework includes in-situ solvothermal method, seed method, microwave method and layering method, wherein the seed method needs to use evaporative crystallization device during preparation.

[0003] And in evaporative crystallization device, during evaporative crystallization, crystallization scale often appears on the inner wall of the equipment, which affects the cleaning of the inner wall of the evaporative crystallization device, in the prior art, application No.

[0004] In the above patent, the inner wall of evaporative crystallization device is cleaned by scraper, and when the scraper is used to remove scale layer on the inner wall of evaporative crystallization device, pressure needs to be applied to the scale layer, so the scraper needs to have certain strength to prevent deformation, therefore, when the scale layer is scraped by scraper, the inner wall of evaporative crystallization device is easily damaged, which causes scratches on the inner wall of evaporative crystallization device, based on the above problems, the present application provides a kind of evaporative crystallization device of MVR preparation. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an evaporative crystallization device for MVR preparation to solve the problems raised in the background art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides an evaporative crystallization device of MVR preparation, including evaporation jar body, the right side fixed setting of evaporation jar body has steam inlet pipe and steam outlet pipe, the bottom fixed setting of evaporation jar body has drain pipe, the fixed mounting of drain pipe has control valve, the top fixed setting of evaporation jar body has liquid inlet pipe, the fixed setting of evaporation jar body inside has liquid distribution tray and hollow evaporator, the top of evaporation jar body is provided with vertical movement subassembly, the inside sliding of evaporation jar body is provided with conveying pipe, the bottom of conveying pipe is provided with connecting assembly, the bottom of conveying pipe is provided with the shunt box of connecting assembly, the surface fixed setting of shunt box has injection pipe.

[0008] Preferably, the vertical movement assembly includes a drive motor fixedly installed on the top of the evaporation tank, the output end of the drive motor is fixedly provided with a driving gear, the surface of the driving gear is engaged with a driven gear, the inside of the driven gear is fixedly provided with an internal threaded pipe, the surface of the internal threaded pipe is installed with a fixed frame through a bearing, the fixed frame is fixedly installed on the top of the evaporation tank, the inside of the internal threaded pipe is threadedly provided with an external threaded pipe, the external threaded pipe is fixedly installed on the outer surface of the conveying pipe, the top end of the external threaded pipe is fixedly provided with a moving plate, the bottom of the moving plate is fixedly provided with a guide rod, the guide rod is slidingly arranged in the inside of the fixed frame.

[0009] Preferably, the connecting assembly includes a connecting shell connected with the conveying pipe through a bearing, the connecting shell is fixedly installed on the top of the shunt box, the top of the conveying pipe is fixedly provided with a sealing plate, the bottom of the sealing plate is fixedly provided with a clamping plate, the outer surface of the clamping plate is fixedly provided with a sealing ring, and the outer surface of the sealing ring is overlapped with the inner wall of the connecting shell.

[0010] Preferably, the number of injection pipes is several, and the several injection pipes are distributed in a circular array, and the injection pipes are made of metal material.

[0011] Preferably, the top of the shunt box is provided with a water inlet hole for connecting the conveying pipe, and the radius of the water inlet hole is the same as the inner diameter of the conveying pipe.

[0012] Preferably, the radius of the driving gear is smaller than the radius of the driven gear, and the driving gear and the driven gear are made of metal material.

[0013] Preferably, the guide rod is in a circular structure, and the guide rod is made of metal material.

[0014] Compared with the prior art, the MVR preparation evaporative crystallization device has the beneficial effects that: the water flow is conveyed to the inside of the conveying pipe through the external conveying equipment, and is split in the split box through the water inlet hole, and is sprayed into the inner wall of the evaporation tank through the spray pipe, the reverse thrust of the water flow drives the spray pipe to move, so that the split box rotates through the connecting assembly, that is, different positions of the inner wall of the evaporation tank can be flushed, wherein the evaporation tank body is flushed through the water flow, which avoids that the evaporation tank body is scratched inside by the scraper, so that the evaporation tank body is protected, and damage of the evaporation tank body is avoided to affect the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model structural isometric drawing is shown in the figure;

[0016] Figure 2 The utility model structure longitudinal section schematic view is shown in the figure;

[0017] Figure 3 The utility model local structure schematic view is shown in the figure;

[0018] Figure 4 The utility model structure is shown in the figure A place structure enlarged view. Figure 2

[0019] In the figure: 1, evaporation tank body;2, steam inlet pipe;3, steam outlet pipe;4, liquid discharge pipe;5, liquid inlet pipe;6, drive motor;7, driving gear;8, driven gear;9, outer thread pipe;10, fixed frame;11, moving plate;12, guide rod;13, conveying pipe;14, connecting shell;15, sealing plate;16, clamping plate;17, sealing ring;18, split box;19, water inlet hole;20, spray pipe;21, liquid distribution disc;22, hollow evaporator;23, inner thread pipe. DETAILED DESCRIPTION

[0020] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Refer to Figures 1-4 ​The utility model provides an evaporative crystallization device of MVR preparation, including evaporative jar body 1, the right side fixed setting of evaporative jar body 1 has steam inlet pipe 2 and steam outlet pipe 3, the bottom fixed setting of evaporative jar body 1 has drain pipe 4, and the control valve is fixedly installed on drain pipe 4, the top fixed setting of evaporative jar body 1 has liquid inlet pipe 5, and the inside fixed setting of evaporative jar body 1 has liquid distribution tray 21 and hollow evaporator 22, and the top of evaporative jar body 1 is provided with vertical movement assembly, and the inside sliding of evaporative jar body 1 is provided with conveying pipe 13, and the bottom end of conveying pipe 13 is provided with connecting assembly, and the bottom end of conveying pipe 13 is provided with shunt box 18 through connecting assembly, and the top of shunt box 18 is provided with water inlet hole 19 for conveying pipe 13 is connected in communication, and the radius of water inlet hole 19 is same with the inside diameter of conveying pipe 13, and the water flow in conveying pipe 13 is convenient to enter the inside of shunt box 18 through water inlet hole 19, so as to be convenient for the water flow to be shunted, and the surface fixed setting of shunt box 18 has jet pipe 20, the number of jet pipe 20 is several, and several jet pipe 20 is circular array type distribution, and jet pipe 20 is made of metal material, and several jet pipe 20 can simultaneously jet the water flow to the different positions of evaporative jar body 1, so that the inside wall of evaporative jar body 1 is more quickly descaled, and connecting assembly includes connecting shell 14, and connecting shell 14 is connected with conveying pipe 13 through bearing, and connecting shell 14 is fixedly installed on the top of shunt box 18, and the top of conveying pipe 13 is fixedly provided with sealing plate 15, and the bottom of sealing plate 15 is fixedly provided with clamping plate 16, and the outer surface of clamping plate 16 is fixedly provided with sealing ring 17, and the outer surface of sealing ring 17 is overlapped with the inner wall of connecting shell 14, when the water flow enters the inside of shunt box 18 through conveying pipe 13 and water inlet hole 19, the water flow is jetted to the inner wall of evaporative jar body 1 through the jet pipe 20 set on the surface of shunt box 18, and the dirt adhered to the inner wall of evaporative jar body 1 is washed away by the water flow, and the water flow jetting reverse thrust will drive jet pipe 20 to drive shunt box 18 to rotate, so that shunt box 18 drives connecting shell 14 to rotate through bearing, so that the jet water flow is washed to the different positions of the inner wall of evaporative jar body 1, and the water flow cleaning will not scratch evaporative jar body 1, reduce the risk of evaporative jar body 1 damage when descaling.

[0022] Specific, vertical moving assembly includes fixedly installed on the evaporation tank body 1 top drive motor 6, drive motor 6 output end fixedly provided with driving gear 7, driving gear 7 surface engagement provided with driven gear 8, the radius of driving gear 7 is less than the radius of driven gear 8, driving gear 7 driven gear 8 rotation, can realize the effect of deceleration, driving gear 7 and driven gear 8 are made of metal material, so that the driving gear 7 and driven gear 8 convex tooth is not prone to fracture, driven gear 8 inside fixedly provided with internal thread pipe 23, the surface of internal thread pipe 23 is mounted with fixed frame 10 through bearing, fixed frame 10 is fixedly installed on the top of evaporation tank body 1, internal thread pipe 23 inside screw provided with external thread pipe 9, external thread pipe 9 fixedly installed on the outer surface of the conveying pipe 13, the top of external thread pipe 9 is fixedly provided with moving plate 11, moving plate 11 bottom fixedly provided with guide rod 12, guide rod 12 is circular structure, guide rod 12 is made of metal material, through the guide rod 12 cooperation moving plate 11 can be guided to the external thread pipe 9, avoid the external thread pipe 9 with internal thread pipe 23 rotation, guide rod 12 slidingly disposed in the inside of fixed frame 10, through the drive motor 6 drive output end driving gear 7 rotation, through the driving gear 7 drive with the meshing setting driven gear 8 rotation, and through the driven gear 8 drive internal thread pipe 23 through bearing in fixed frame 10 inside rotation, so that the external thread pipe 9 drive conveying pipe 13 and moving plate 11 move down, while the moving plate 11 drive guide rod 12 in fixed frame 10 inside sliding, so that the conveying pipe 13 through bearing and connecting shell 14 drive shunt box 18 move down, so that the shunt box 18 drive injection pipe 20 move down, change the height of injection pipe 20, so as to the dirt on the inner wall of evaporation tank body 1 is washed thoroughly.

[0023] The MVR preparation of evaporation crystallization device is connected with 220V mains, and the main control unit can be a computer or other known device for control.

[0024] In use: the raw materials are delivered to the inside of evaporation tank body 1 through liquid inlet pipe 5, and are separated by liquid distribution disc 21, so that the raw materials enter the inside of hollow evaporator 22, steam is delivered to the inside of evaporation tank body 1 through steam inlet pipe 2, and the raw materials in hollow evaporator 22 are heated and evaporated by steam, then the steam is discharged through steam outlet pipe 3, when it is necessary to clean the inner wall of evaporation tank body 1, water flow is delivered to the inside of conveying pipe 13 through external conveying equipment, and enters the inside of shunt box 18 through water inlet hole 19, the water flow is sprayed through the injection pipe 20 provided on the surface of shunt box 18, and is sprayed to the inner wall of evaporation tank body 1, the dirt adhered to the inner wall of evaporation tank body 1 is washed away by the water flow, and the water flow spraying will push the injection pipe 20 to move, the injection pipe 20 drives shunt box 18 to rotate, the shunt box 18 drives connecting shell 14 to rotate through bearing, and the water flow sprays the different positions of the inner wall of evaporation tank body 1.

[0025] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An evaporation crystallization apparatus for MVR preparation, comprising an evaporation tank (1), characterized in that, A steam inlet pipe (2) and a steam outlet pipe (3) are fixedly installed on the right side of the evaporator (1). A drain pipe (4) is fixedly installed at the bottom of the evaporator (1). A control valve is fixedly installed on the drain pipe (4). A liquid inlet pipe (5) is fixedly installed at the top of the evaporator (1). A liquid distribution plate (21) and a hollow evaporator (22) are fixedly installed inside the evaporator (1). A vertical moving component is installed at the top of the evaporator (1). A conveying pipe (13) is slidably installed inside the evaporator (1). A connecting component is installed at the bottom end of the conveying pipe (13). A diversion box (18) is installed at the bottom end of the conveying pipe (13) through the connecting component. A spray pipe (20) is fixedly installed on the surface of the diversion box (18).

2. The evaporation and crystallization apparatus for MVR preparation according to claim 1, characterized in that, The vertical moving assembly includes a drive motor (6) fixedly installed on the top of the evaporator tank (1). A drive gear (7) is fixedly installed at the output end of the drive motor (6). A driven gear (8) is meshed on the surface of the drive gear (7). An internally threaded tube (23) is fixedly installed inside the driven gear (8). A fixing frame (10) is installed on the surface of the internally threaded tube (23) through a bearing. The fixing frame (10) is fixedly installed on the top of the evaporator tank (1). An externally threaded tube (9) is threaded inside the internally threaded tube (23). The externally threaded tube (9) is fixedly installed on the outer surface of the conveying pipe (13). A moving plate (11) is fixedly installed at the top of the externally threaded tube (9). A guide rod (12) is fixedly installed at the bottom of the moving plate (11). The guide rod (12) is slidably installed inside the fixing frame (10).

3. The evaporation and crystallization apparatus for MVR preparation according to claim 1, characterized in that, The connecting assembly includes a connecting housing (14), which is connected to the conveying pipe (13) via a bearing. The connecting housing (14) is fixedly installed on the top of the diversion box (18). A sealing plate (15) is fixedly installed on the top of the conveying pipe (13). A retaining plate (16) is fixedly installed on the bottom of the sealing plate (15). A sealing ring (17) is fixedly installed on the outer surface of the retaining plate (16). The outer surface of the sealing ring (17) overlaps with the inner wall of the connecting housing (14).

4. The evaporation and crystallization apparatus for MVR preparation according to claim 1, characterized in that, The number of the spray pipes (20) is several, and the several spray pipes (20) are arranged in a circular array. The spray pipes (20) are made of metal.

5. The evaporation and crystallization apparatus for MVR preparation according to claim 1, characterized in that, The top of the diversion box (18) is provided with a water inlet hole (19) for connecting to the delivery pipe (13), and the radius of the water inlet hole (19) is the same as the inner diameter of the delivery pipe (13).

6. The evaporation and crystallization apparatus for MVR preparation according to claim 2, characterized in that, The radius of the driving gear (7) is smaller than that of the driven gear (8), and both the driving gear (7) and the driven gear (8) are made of metal.

7. The evaporation and crystallization apparatus for MVR preparation according to claim 2, characterized in that, The guide rod (12) has a circular structure and is made of metal.

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