CN218945063U - Production device for zeolite imidazole metal organic framework nano-material - Google Patents

Abstract

The utility model discloses a production device of zeolite imidazole metal organic framework nano-materials, belonging to the field of porous nano-crystal material preparation technology and matched equipment. The production device comprises a reaction component and a separation component, wherein the reaction component comprises a reaction chamber, the top of the reaction chamber is provided with a stirring paddle, a reaction liquid feed inlet is arranged at the position, close to the top, of the side wall of the reaction chamber, a supernatant liquid discharge outlet is arranged at the position, close to the bottom, of the side wall of the reaction chamber, an opening-closing type bottom plate is arranged at the bottom of the reaction chamber, the separation component comprises a filtering bag type upper discharging centrifugal machine, and the filtering bag type upper discharging centrifugal machine is positioned below the reaction component. The production device integrates the liquid phase stirring and temperature control reaction function, the liquid phase separation function and the centrifugal separation function, has the advantages of simple structure, easy maintenance, strong practicality, powerful functions, accurate and convenient parameter control, and multiple technical advantages.

Description

Production device for zeolite imidazole metal organic framework nano-material

Technical Field

The utility model belongs to the field of porous nano crystal material preparation technology and matched equipment, and in particular relates to a production device of zeolite imidazole metal organic framework nano materials.

Background

The zeolite imidazole metal organic framework nano material (Zeolitic Imidazolate Frameworks, ZIFs) is an inorganic porous crystal material, is widely applied to the fields of catalysis, adsorption, ion exchange and the like due to a regular pore channel structure and high hydrothermal stability, and is a very important molecular sieve material.

The preparation method of the ZIFs material comprises a liquid phase precipitation method, a solvothermal method, an electrochemical method, an auxiliary synthesis method and the like. At present, a liquid phase precipitation method is generally adopted in a preparation process for preparing ZIFs materials in a large scale, namely, organic alcohols such as methanol are adopted as deprotonation solvents, so that metal salts are coordinated with dimethylimidazole, crystal nuclei are formed in a liquid phase, and precipitation is finally formed. The preparation method has the advantages of simple reaction conditions, good product performance and easy mass production. However, when the liquid phase precipitation method is used as a process mode to produce ZIFs in a large scale at present, a special production device is lacked, so that the quality difference of products among production batches is large, and large material liquid loss and environmental dust pollution are caused.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to solve the problem that ZIFs are lack of production devices in mass production by using a liquid phase precipitation method, and provides a production device for zeolite imidazole metal organic framework nano-materials.

The utility model provides a production device of zeolite imidazole metal organic framework nano materials, which comprises a reaction component and a separation component, wherein the reaction component comprises a reaction chamber, a stirring paddle is arranged at the top of the reaction chamber, a reaction liquid feed inlet is arranged at the position, close to the top, of the side wall of the reaction chamber, a supernatant liquid discharge outlet is arranged at the position, close to the bottom, of the side wall of the reaction chamber, an opening-closing type bottom plate is arranged at the bottom of the reaction chamber, the separation component comprises a filter bag type upper discharging centrifuge, and the filter bag type upper discharging centrifuge is positioned below the reaction component. The ZIFs precursor solution can be poured into the reaction part through the reaction solution feed port; through above-mentioned supernatant discharge gate, can separate out the supernatant.

In one embodiment of the utility model, the stirring paddle is connected to the top of the reaction chamber by an electric telescopic rod. Through adjusting electric telescopic rod, the stirring rake can reciprocate to adapt to the reaction liquid of different volumes, make the reaction liquid stir more abundant, and the highest rotational speed of stirring rake is greater than or equal to 600rpm.

In an embodiment of the utility model, the reaction component further includes a temperature control device.

In an embodiment of the present utility model, the temperature control device includes at least one of an electric heating pipe, an electric heating plate, a microwave heating device, and a temperature control jacket, but is not limited to the above. The above examples of the temperature control device may be single, or may be plural, or may be a combination of plural kinds of temperature control devices. The liquid phase reaction temperature in the reaction chamber can be regulated and controlled stably between minus 30 ℃ and 150 ℃ through the temperature control device.

In an embodiment of the present utility model, the temperature control device is a temperature control jacket, the temperature control jacket is disposed closely to a side wall of the reaction chamber, a temperature control liquid outlet is disposed at a position of the temperature control jacket near the top of the reaction chamber, and a temperature control liquid inlet is disposed at a position of the temperature control jacket near the bottom of the reaction chamber. The temperature control liquid enters the temperature control jacket from the temperature control liquid inlet and flows out from the temperature control liquid outlet.

In an embodiment of the utility model, the temperature control jacket has a temperature control liquid inside. The temperature control liquid can be vegetable oil.

In an embodiment of the utility model, the reaction component further includes a temperature sensor, so as to monitor the temperature of the reaction system in the reaction chamber in real time.

In an embodiment of the present utility model, the open-close type bottom plate is movably connected to the side wall of the reaction chamber through 1 hinge, and at least one locking mechanism is further disposed on the open-close type bottom plate. The locking mechanism can be a locking mechanism such as a bolt, a buckle and the like.

In an embodiment of the utility model, a sealing ring is disposed at an edge of the open-close type bottom plate.

Through the arrangement of the open-close type bottom plate, the hinge, the locking mechanism and the sealing ring, the open-close type bottom plate can be closed, so that a closed system is formed by the reaction parts, and the reaction liquid cannot leak out from the bottom during liquid phase reaction; after the liquid phase reaction, the liquid phase reaction can be downwards opened, so that the lower feed liquid and the sediment formed after the reaction enter a filtering bag type upper discharge centrifuge.

In one embodiment of the present utility model, the separation unit further includes a motor and a belt, and the bag-type upper discharge centrifuge is in driving connection with the motor through the belt. The motor can drive the filter bag type loading and unloading centrifugal machine to carry out high-speed centrifugation. The motor can be connected with the filter bag type loading and unloading centrifugal machine through gears and other modes, or the motor is directly connected with the rotating shaft of the filter bag type loading and unloading centrifugal machine. The highest rotating speed of the rotary drum of the filtering bag type loading and unloading centrifugal machine is more than or equal to 4300rpm.

In some embodiments, a support is provided at the bottom of the reaction component to facilitate fixing the reaction component.

Compared with the prior art, the utility model has the following technical effects:

the production device of the zeolite imidazole metal organic framework nano material integrates the functions of liquid phase stirring and temperature control reaction, liquid phase separation and centrifugal separation, has the advantages of simple structure, easy maintenance, strong practicability, powerful functions, accurate and convenient parameter control and multiple technical advantages.

Drawings

Fig. 1 is a production apparatus of a zeolitic imidazolate metal-organic framework nanomaterial according to an embodiment of the present utility model.

The main reference numerals illustrate:

the device comprises a 1-reaction liquid feed inlet, a 2-temperature control liquid outlet, a 3-supernatant liquid discharge outlet, a 4-temperature control liquid inlet, a 5-motor, a 6-driving belt, a 7-filtering bag type upper discharging centrifugal machine, an 8-opening and closing type bottom plate, a 9-temperature control jacket and a 10-stirring paddle.

Detailed Description

The following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As shown in fig. 1, the production device of the zeolite imidazole metal organic framework nano-material according to the preferred embodiment of the utility model comprises a reaction part and a separation part, wherein the reaction part comprises a reaction chamber, the top of the reaction chamber is provided with a stirring paddle 10, the position, close to the top, of the side wall of the reaction chamber is provided with a reaction liquid feed inlet 1, the position, close to the bottom, of the side wall of the reaction chamber is provided with a supernatant liquid discharge outlet 3, the bottom of the reaction chamber is provided with an open-close type bottom plate 8, the separation part comprises a filter bag type upper discharging centrifuge 7, the filter bag type upper discharging centrifuge 7 is positioned below the reaction part, and particularly, the filter bag type upper discharging centrifuge 7 is arranged below an opening of the open-close type bottom plate 8. The stirring paddle 10 is connected with the top of the reaction chamber through an electric telescopic rod, and can move up and down through adjusting the electric telescopic rod, so that the reaction liquid with different volumes is adapted, the reaction liquid is stirred more fully, and the highest rotating speed of the stirring paddle is more than or equal to 600rpm. The reaction component further comprises a temperature control device. The temperature control device may be an electric heating tube, an electric heating plate, a microwave heating device, or the like, and may be a combination of a plurality of or a plurality of temperature control devices. In the production device of the zeolite imidazole metal organic framework nano-material in the preferred embodiment of the utility model, the temperature control device is a temperature control jacket 9, the temperature control jacket 9 is closely attached to the side wall of the reaction chamber, a temperature control liquid outlet 2 is arranged at the position of the temperature control jacket 9 close to the top of the reaction chamber, and a temperature control liquid inlet 4 is arranged at the position of the temperature control jacket 9 close to the bottom of the reaction chamber. The temperature control jacket 9 is internally provided with temperature control liquid. The temperature control liquid enters the temperature control jacket 9 from the temperature control liquid inlet 4 and flows out from the temperature control liquid outlet 2. The reaction unit further comprises a temperature sensor (not shown in the drawings) to facilitate real-time monitoring of the temperature of the reaction system in the reaction chamber. The open-close type bottom plate 8 is movably connected with the side wall of the reaction chamber through 1 hinge, and at least one locking mechanism (not shown in the drawing) is further arranged on the open-close type bottom plate 8. The locking mechanism can be a locking mechanism such as a bolt, a buckle and the like. The edge of the open-close type bottom plate 8 is also provided with a sealing ring (not shown in the drawings). Through the arrangement, the open-close type bottom plate can be closed, so that the reaction part forms a closed system, and the reaction liquid cannot leak out from the bottom during liquid phase reaction; after the liquid phase reaction, the liquid phase reaction can be downwards opened, so that the lower feed liquid and the sediment formed after the reaction enter a filtering bag type upper discharge centrifuge. The separation part further comprises a motor 5 and a driving belt 6, the filtering bag type loading and unloading centrifugal machine 7 is in transmission connection with the motor 5 through the driving belt 6, and the motor 5 drives the filtering bag type loading and unloading centrifugal machine 7 to perform high-speed centrifugation.

When the ZIFs material is produced, ZIFs precursor liquid (10L) enters the reaction chamber through the reaction liquid feed port 1, and the open-close type bottom plate 8 is in a closed state. The temperature of the temperature control liquid and the flow rate thereof are controlled, so that the liquid phase reaction temperature in the reaction part is kept at 60 ℃, the stirring paddle 10 is used for stirring at 400rpm, and the reaction is carried out for 1h at constant temperature. And standing and aging the feed liquid for 24 hours at normal temperature (25 ℃) to ensure that the produced ZIFs products are precipitated at the lowest layer of the reaction liquid, wherein the ZIFs products are precipitated at a position lower than the supernatant liquid discharge port 3 by controlling the consumption of raw materials, and the supernatant liquid discharge port 3 is not blocked. Through supernatant discharge gate 3, separate supernatant after the reaction, only remain lower feed liquid and sediment of the lowest floor, then open-close type bottom plate 8 opens downwards, through solvent washout and gravity effect, carry lower feed liquid and sediment to the filter bag type on-off centrifuge 7, drive belt 6 through motor 5 and make filter bag type on-off centrifuge 7 carry out high-speed centrifugation, the highest rotational speed of rotary drum is more than or equal to 4300rpm. The filtered filtrate is stored in a filtrate collector outside the filter bag type loading and unloading centrifugal machine 7, a filtrate switch (not shown in the drawing) is arranged at the position, close to the bottom, of the filtrate collector, and after a period of filtration, the filtrate switch is turned on to drain the filtrate in the filtrate collector.

In some embodiments, a support is provided at the bottom of the reaction component to facilitate securing the reaction component.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a zeolite imidazole metal organic framework nano-material's apparatus for producing, its characterized in that, apparatus for producing includes reaction unit and separating element, reaction unit includes reaction chamber, the reaction chamber top is equipped with stirring rake (10), the reaction chamber lateral wall is close to the position at top and is equipped with reaction liquid feed inlet (1), the reaction chamber lateral wall is close to the position of bottom and is equipped with supernatant discharge gate (3), the reaction chamber bottom is equipped with open-close type bottom plate (8), separating element includes discharge centrifuge (7) on the filter bag, discharge centrifuge (7) are located on the filter bag reaction unit below.

2. The production device according to claim 1, characterized in that the stirring paddle (10) is connected to the reaction chamber top by means of an electric telescopic rod.

3. The production apparatus according to claim 1, wherein the reaction member further comprises a temperature control device.

4. The apparatus according to claim 3, wherein the temperature control device is at least one selected from the group consisting of an electric heating tube, an electric heating plate, a microwave heating device, and a temperature control jacket.

5. A production device according to claim 3, wherein the temperature control device is a temperature control jacket (9), the temperature control jacket (9) is tightly attached to the side wall of the reaction chamber, a temperature control liquid outlet (2) is arranged at a position, close to the top of the reaction chamber, of the temperature control jacket (9), and a temperature control liquid inlet (4) is arranged at a position, close to the bottom of the reaction chamber, of the temperature control jacket (9).

6. The production device according to claim 5, characterized in that the temperature control jacket (9) has a temperature control liquid inside.

7. A production apparatus according to claim 3, wherein the reaction member further comprises a temperature sensor.

8. The production device according to claim 1, wherein the openable bottom plate (8) is movably connected to the side wall of the reaction chamber through 1 hinge, and at least one locking mechanism is further provided on the openable bottom plate (8).

9. The production device according to claim 1, characterized in that the edges of the open-close base plate (8) are provided with sealing rings.

10. The production device according to claim 1, characterized in that the separating means further comprise a motor (5) and a drive belt (6), the bag-on-discharge centrifuge (7) being in drive connection with the motor (5) via the drive belt (6).

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