Distillation and purification device for preparing trimethyl aluminum

Abstract

The distillation and purification device comprises a supporting base, one side of the top of the supporting base is connected with a supporting rod, the right end of the supporting base is connected with a connecting rod, the right end of the connecting rod is connected with a mounting sleeve, and the lower end of the supporting rod is sleeved with a first supporting frame; the upper end of the supporting rod is sleeved with a second supporting frame, an alcohol lamp is arranged on the other side of the top of the supporting base, and a combustion hole is formed in the position, over the alcohol lamp, of the first supporting frame. According to the utility model, the filter screen is arranged in the distillation flask, and the opening and closing valve is arranged on the distillation flask, so that impurities doped in a trimethylaluminum raw material to be distilled can be filtered by utilizing the mutual matching effect of the filter screen and the opening and closing valve, and the purity of subsequent distillation and purification is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to distillation purification device related equipment technical field, concretely relates to a distillation purification device for preparing trimethylaluminum. BACKGROUND

[0002] Distillation is a commonly used method for separating and purifying liquid mixtures, and it can also be used to determine the boiling point of liquid compounds, so it has certain significance for identifying pure liquid compounds. The commonly used distillation device is assembled by standard grinding mouth instrument, which is composed of a flask, a distillation head, a thermometer, a condenser tube, a receiving tube and a receiving bottle. In the process of preparing trimethylaluminum, distillation purification device will be used.

[0003] The existing distillation purification device for preparing trimethylaluminum cannot filter out the impurities mixed in the trimethylaluminum raw material to be distilled during use, resulting in low purity of subsequent distillation and purification, so there is an urgent need for a distillation purification device for preparing trimethylaluminum to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of distillation purification devices for preparing trimethylaluminum, to solve the problem that the existing distillation purification device for preparing trimethylaluminum is proposed in above background, when using, it cannot filter out the impurities mixed in the trimethylaluminum raw material to be distilled, so as to cause the purity of subsequent distillation and purification is not high.

[0005] To achieve the above object, the technical scheme adopted by the utility model is: a distillation purification device for preparing trimethylaluminum, including support base, the top side of the support base is connected with support rod, the right end of the support base is connected with connecting rod, the right end of the connecting rod is connected with mounting sleeve, the lower end of the support rod is sleeved with first support frame, the upper end of the support rod is sleeved with second support frame, the top other side of the support base is provided with alcohol lamp, the first support frame is opened with combustion hole above alcohol lamp, the second support frame is installed with distillation flask, the bottle mouth of the distillation flask is provided with sealing piston, one side of the distillation flask is connected with condenser tube, the outside middle of the condenser tube is sleeved with rubber fixing block, the rear end of the rubber fixing block is connected with support column, the lower end of the support column is sleeved with mounting sleeve, the bottom of the mounting sleeve is connected with the inside bottom of box body, the left upper end of the condenser tube is provided with water outlet, the right lower end of the condenser tube is provided with water inlet, the inside right side of the box body is provided with conical flask, the right end of the condenser tube is communicated with conical flask through ox horn adapter pipe, the inside top of the distillation flask is provided with filter screen, the neck of the distillation flask is installed with on-off valve, the top of the first support frame is provided with iron screen above combustion hole, the bottom of the iron screen is connected with the upper surface of the first support frame through column on both sides.

[0006] As a preferred technical scheme of the utility model, the opening and closing valve is located directly below the filter screen.

[0007] As a preferred technical scheme of the utility model, the filter screen is arranged obliquely, and is high on the left and low on the right.

[0008] As a preferred technical scheme of the utility model, the opening and closing valve is located above the gas outlet pipeline on the side of the distillation flask.

[0009] As a preferred technical scheme of the utility model, the support column is movably installed in the mounting sleeve.

[0010] As a preferred technical scheme of the utility model, the two columns are respectively located on the left and right sides of the combustion hole.

[0011] Due to the use of the above technical scheme, the application has the beneficial effects compared with the prior art, which are as follows:

[0012] The distillation and purification device for preparing trimethylaluminum has the filter screen arranged in the inside of the distillation flask and the opening and closing valve arranged on the distillation flask, and the mutual cooperation between them can filter the impurities mixed in the trimethylaluminum raw material to be distilled, thereby improving the purity of subsequent distillation and purification. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the utility model or the technical schemes in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the partial structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the overall structure of the utility model; Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0017] Figure 4 It is a top view structure schematic diagram of the iron net of the utility model.

[0018] In the figure: 1, filter screen; 2, on-off valve; 3, support base; 4, alcohol lamp; 5, support rod; 6, first support frame; 7, second support frame; 8, combustion hole; 9, distillation flask; 10, condenser tube; 11, sealing piston; 12, rubber fixing block; 13, support column; 14, mounting sleeve; 15, water outlet; 16, water inlet; 17, horn receiving pipe; 18, conical flask; 19, iron mesh; 20, air outlet pipeline; 21, column; 22, connecting rod. DETAILED DESCRIPTION

[0019] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a 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 the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0020] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0021] In the present application, the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0022] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms may also be used to indicate other meanings, for example, the term "up" may also be used to indicate a certain dependent relationship or connection relationship in some cases. For the person skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0023] In addition, the terms "mounting", "arrangement", "provided with", "connected", "linked", "sleeved" should be broadly understood. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] Embodiment one

[0026] Appendix Figures 1-4 The distillation purification device for preparing trimethylaluminum provided by the utility model, which comprises a supporting base 3, a supporting rod 5 connected to one side of the top of the supporting base 3, a connecting rod 22 connected to the right end of the supporting base 3, an installation sleeve 14 connected to the right end of the connecting rod 22, a first supporting frame 6 sleeved with the lower end of the supporting rod 5, a second supporting frame 7 sleeved with the upper end of the supporting rod 5, an alcohol lamp 4 arranged on the other side of the top of the supporting base 3, a combustion hole 8 arranged on the first supporting frame 6 and located directly above the alcohol lamp 4, a distillation flask 9 installed on the second supporting frame 7, a sealing piston 11 arranged on the bottle mouth of the distillation flask 9, a condenser tube 10 connected to one side of the distillation flask 9, a rubber fixing block 12 sleeved with the outer side of the middle of the condenser tube 10, a supporting stand 13 connected to the rear end of the rubber fixing block 12, the installation sleeve 14 sleeved with the lower end of the supporting stand 13, the bottom of the installation sleeve 14 connected to the inner bottom of the box body, a water outlet 15 arranged on the left upper end of the condenser tube 10, a water inlet 16 arranged on the right lower end of the condenser tube 10, a conical flask 18 arranged on the right side in the box body, the condenser tube 10 communicated with the conical flask 18 through a horn adapter pipe 17 arranged on the right end of the condenser tube 10, a filter screen 1 arranged on the inner top of the distillation flask 9, an on-off valve 2 installed on the bottle neck of the distillation flask 9, an iron mesh 19 arranged on the top of the first supporting frame 6 and located directly above the combustion hole 8, and the bottom of the iron mesh 19 connected to the upper surface of the first supporting frame 6 through two stand columns 21 arranged on both sides of the bottom of the iron mesh 19.

[0027] The on-off valve 2 is located directly below the filter screen 1.

[0028] The filter screen 1 is arranged in an inclined manner and has a left-high right-low shape.

[0029] The on-off valve 2 is located above the side gas outlet pipeline 20 of the distillation flask 9.

[0030] The supporting stand 13 is movably installed in the installation sleeve 14 and can be pulled out upward from the installation sleeve 14.

[0031] Two columns 21 are respectively located on the left and right sides of the combustion hole 8.

[0032] The working principle and use process of the utility model are as follows: firstly, the sealing piston 11 is pulled out of the distillation flask 9, and then the distillation liquid is poured into the distillation flask 9, in the process of pouring into the distillation flask 9, the impurities doped in the trimethyl aluminum raw material to be distilled are filtered out through the filter screen 1, so that the purity of subsequent distillation and purification is improved, then the sealing piston 11 is reset and inserted into the mouth of the distillation flask 9, and the on-off valve 2 is closed, then the alcohol lamp 4 is ignited to heat the distillation flask 9 through the combustion hole 8, so that the generated steam enters the condenser tube 10 for cooling, so that the steam is cooled into liquid, and the liquid cooled by the condenser tube 10 is transported to the conical flask 18 through the horn receiving tube 17 for collection, and the heat source is uniformly distributed through the iron mesh 19 during the heating process, so that local overheating is avoided, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0033] Finally, it should be noted that the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A distillation purification apparatus for the production of trimethylaluminum comprising a support base, characterized in that: The top side of the support base is connected with a support rod, the right end of the support base is connected with a connecting rod, the right end of the connecting rod is connected with a mounting sleeve, the lower end of the support rod is sleeved with a first support frame, the upper end of the support rod is sleeved with a second support frame, the other side of the top of the support base is provided with an alcohol lamp, a combustion hole is arranged on the first support frame and above the alcohol lamp, a distillation bottle is mounted on the second support frame, a sealing piston is arranged on the bottle mouth of the distillation bottle, a condenser tube is connected to one side of the distillation bottle, a rubber fixing block is sleeved on the outer side of the condenser tube, a support column is connected to the rear end of the rubber fixing block, a mounting sleeve is sleeved on the lower end of the support column, the bottom of the mounting sleeve is connected with the inner bottom of the box body, a water outlet is arranged on the upper left end of the condenser tube, a water inlet is arranged on the lower right end of the condenser tube, a conical flask is arranged on the right side of the inner part of the box body, the right end of the condenser tube is communicated with the conical flask through a horn receiving pipe, a filter screen is arranged on the top of the inner part of the distillation bottle, an on-off valve is mounted on the neck of the distillation bottle, an iron mesh is arranged on the top of the first support frame and above the combustion hole, the bottom of the iron mesh is connected with the upper surface of the first support frame through a column on both sides.

2. A distillation purification apparatus for preparing trimethylaluminum according to claim 1, characterized by: The on-off valve is located below the filter screen.

3. A distillation purification apparatus for preparing trimethylaluminum according to claim 1, characterized by: The filter screen is arranged in an inclined manner and is higher on the left and lower on the right.

4. A distillation purification apparatus for preparing trimethylaluminum according to claim 1, characterized by: The on-off valve is located above the side gas outlet pipeline of the distillation bottle.

5. A distillation purification apparatus for preparing trimethylaluminum according to claim 1, characterized by: The support column is movably mounted in the mounting sleeve.

6. A distillation purification apparatus for preparing trimethylaluminum according to claim 1, characterized by: Two columns are respectively located on the left and right sides of the combustion hole.

Images