Glove box for chemical synthesis

Abstract

The invention discloses a glove box for chemical synthesis. The glove box comprises a rack, a box body, a transition bin communicated with the box body, chemical synthesis equipment, a filter, a water oxygen analyzer, a gas purification system and a vacuum system, wherein the water oxygen analyzer, the gas purification system and the vacuum system are located outside the box body. A visual panel and operation gloves are arranged on the side wall of the box body; the chemical synthesis equipment and the filter are positioned in the box body; an inlet of the gas purification system is communicated with the filter, an outlet of the gas purification system is communicated with the box body, and the gas purification system comprises an oxygen removal unit, a water removal unit, an impurity removal unit and a circulating fan; the vacuum system and the water oxygen analyzer are respectively communicated with the box body, the vacuum system is configured to be used for vacuumizing the box body, and the water oxygen analyzer is configured to be used for analyzing the water oxygen content in the box body. According to the glove box for chemical synthesis, water and oxygen analysis and control are rapid and convenient, chemical synthesis experiments under various water-free and oxygen-free conditions can be carried out, and the high-quality requirement of new energy materials is met.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy chemical equipment, and in particular to a glove box for chemical synthesis applied in the field of new energy. Background Art

[0002] As we all know, the glove box is a laboratory equipment that fills high-purity inert gas into the box and circulates and filters out moisture, oxygen, carbon dioxide, and organic gases. It is widely used in the manufacturing industries of lithium-ion batteries and materials, semiconductors, supercapacitors, special lamps, etc.

[0003] However, the existing glove boxes used in the new energy field have the defects of difficult water and oxygen analysis and control, which makes the glove boxes unable to meet the needs of chemical experiments under water-free and oxygen-free conditions.

[0004] Therefore, a glove box for chemical synthesis is needed to overcome one or more of the above-mentioned defects. Summary of the invention

[0005] The object of the present invention is to provide a glove box for chemical synthesis, which makes water and oxygen analysis and control rapid and convenient, so as to meet the needs of chemical synthesis experiments under various anhydrous and oxygen-free conditions.

[0006] To achieve the above-mentioned purpose, the glove box for chemical synthesis of the present invention comprises a frame, a box, a transition chamber, a chemical synthesis device, a filter, and a water oxygen analyzer, a gas purification system and a vacuum system located outside the box. The box is mounted on the frame, the transition chamber is connected to the box, and a visual panel and operating gloves are provided on the side wall of the box. The chemical synthesis device and the filter are located in the box; the inlet of the gas purification system is connected to the filter, and the outlet of the gas purification system is connected to the box. The gas purification system comprises a deoxygenation unit, a dehydration unit, an impurity removal unit, and a circulating fan that sequentially sends the gas filtered by the filter into the deoxygenation unit, the dehydration unit and the impurity removal unit; the vacuum system and the water oxygen analyzer are respectively connected to the box, the vacuum system is configured to evacuate the box, and the water oxygen analyzer is configured to analyze the water oxygen content in the box.

[0007] Compared with the prior art, with the help of a vacuum system, the box is first placed in a vacuum state before the inert gas is introduced into the box; with the design of "the gas purification system includes a deoxygenation unit, a water removal unit, an impurity removal unit and a circulating fan that sequentially sends the gas filtered by the filter into the deoxygenation unit, the water removal unit and the impurity removal unit", the moisture, oxygen and impurities introduced into the box can be quickly and conveniently processed, and the water and oxygen content in the box can be monitored in real time by a water and oxygen analyzer; therefore, the chemical synthesis glove box of the present invention has the advantages of rapid and convenient water and oxygen analysis and control; in addition, with the help of the chemical synthesis equipment located in the box, various chemical synthesis experiments under anhydrous and oxygen-free conditions can be carried out to meet the high quality requirements of new energy materials.

[0008] Preferably, the deoxidation unit is a reduced iron powder filler processor.

[0009] Preferably, the reduced iron powder filling processor comprises porous filling balls, cloth bags filled in the porous filling balls, and reduced iron powder filled in the cloth bags.

[0010] Preferably, the water removal unit is a caustic soda filler processor.

[0011] Preferably, the caustic soda flake filler processor comprises porous filler balls and sodium hydroxide flake caustic soda filled in the porous filler balls.

[0012] Preferably, the impurity removal unit comprises an activated carbon filler processor and a molecular sieve filler processor which are arranged in series with each other.

[0013] Preferably, the activated carbon filler processor and the molecular sieve filler processor both comprise porous filler balls, the porous filler balls of the activated carbon filler processor are filled with activated carbon particles, and the porous filler balls of the molecular sieve filler processor are filled with molecular sieve particles.

[0014] Preferably, the water-oxygen analyzer is mounted on a side wall of the box, and the water-oxygen analyzer comprises a touch screen and an oxygen sensor and a moisture sensor electrically connected to the touch screen.

[0015] Preferably, the chemical synthesis equipment comprises an electronic scale, a thermometer, an operating table, a stirrer, a condenser, a flask and a heating pot, and silicone oil is added into the heating pot.

[0016] Preferably, one end of the transition bin is fixedly connected to the side wall of the box body by means of a flange, and the transition bin is provided with a pressure gauge, a movable storage rack and an operating hand wheel, and the operating hand wheel is configured to open and close the door of the transition bin; an inert gas delivery pipe, a pressure balance pipe, a cooling water inlet pipe and a cooling water outlet pipe are connected to the box body, and the inert gas delivery pipe, the pressure balance pipe, the cooling water inlet pipe and the cooling water outlet pipe are all provided with valve bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a plan view of the glove box for chemical synthesis of the present invention.

[0018] Figure 2 yes Figure 1 A plan view of the chemical synthesis glove box shown at another angle.

[0019] Figure 3 It is a structural diagram of the water oxygen analyzer in the chemical synthesis glove box of the present invention.

[0020] Figure 4 It is a structural diagram of a gas purification system in a chemical synthesis glove box of the present invention.

[0021] Figure 5 It is a structural diagram of the deoxygenation unit of the gas purification system in the chemical synthesis glove box of the present invention.

[0022] Figure 6 A structural diagram of a water removal unit of a gas purification system in a chemical synthesis glove box according to the present invention.

[0023] Figure 7 This is a structural diagram of an activated carbon filler processor in an impurity removal unit in a gas purification system.

[0024] Figure 8 This is a structural diagram of a molecular sieve packing processor in an impurity removal unit in a gas purification system. DETAILED DESCRIPTION

[0025] In order to explain the technical content and structural features of the present invention in detail, further description is given below in combination with the implementation modes and the accompanying drawings.

[0026] See also Figure 1 , Figure 2 and Figure 4 The chemical synthesis glove box 100 of the present invention is applied to the new energy industry and can meet the needs of conducting chemical experiments under anhydrous and oxygen-free conditions. The chemical synthesis glove box 100 includes a frame 10, a box body 20, a transition chamber 30, a chemical synthesis device 40, a filter 50, a water oxygen analyzer 60, a gas purification system 70 and a vacuum system 80 located outside the box body 20; optionally, the combination Figure 1 and Figure 2 As an example, the frame 10 is a square frame. Obviously, according to actual needs, the frame 10 can also be other shapes known in the art. Figure 1 and Figure 2 Limits shown.

[0027] The box 20 is mounted on the frame 10, and the frame 10 provides support for the box 20; Figure 1 and Figure 2 As an example, the box 20 is located directly above the rack 10. In addition, the box 20 is square. Obviously, according to actual needs, the box 20 can also be other shapes known in the art.

[0028] The transition chamber 30 is connected to the box body 20 to facilitate the entry and exit of articles and the replacement operation of inert gas (such as but not limited to high-purity nitrogen); Figure 1 As an example, one end of the transition bin 30 is fixedly connected to the side wall 21 of the box body 20 by means of a flange 90, so as to facilitate the assembly operation of the transition bin 30 and the side wall 20 of the box body 20; obviously, according to actual needs, the assembly method of the transition bin 30 and the side wall 20 of the box body 20 can also be other methods well known in the art, so it is not used in this article. Figure 1 In addition, a visual panel 22 and operating gloves 23 are provided on the side wall 21 of the box body 20 to facilitate quick operation and observation by the operator; Figure 1 As an example, the visible panel 22 is a glass panel, preferably a tempered glass panel, to prevent the visible panel 22 from damaging the operator after it is broken; in addition, the operating gloves 23 are elastic gloves, so that the operator can perform chemical experiments on the chemical synthesis equipment 40 in the box 20 through the operating gloves 23; obviously, according to actual needs, the visible panel 22 and the operating gloves 23 can also be other structures known in the art.

[0029] The chemical synthesis equipment 40 and the filter 50 are located in the housing 20 to meet the need that the chemical synthesis equipment 40 can perform chemical experiments under water-free and oxygen-free conditions; optionally, as an example, the filter 50 is a glass sand core filter to more effectively filter out particles, etc.

[0030] The inlet 71 of the gas purification system 70 is connected to the filter 50, and the outlet 72 of the gas purification system 70 is connected to the box 20; Figure 2 As an example, the gas purification system 70 is located below the box 20 and is mounted on the rack 10. The rack 10 provides support for the gas purification system 70, and the arrangement of the gas purification system 70 on the rack 10 is more reasonable and compact. Obviously, according to actual needs, the installation position of the gas purification system 70 can also be other positions, so it is not shown in the following figure. Figure 2 The limit is shown. Figure 4 As an example, the gas purification system 70 includes a deoxygenation unit 70a, a dehydration unit 70b, an impurity removal unit 70c, and a circulation fan 70d that sequentially sends the gas filtered by the filter 50 into the deoxygenation unit 70a, the dehydration unit 70b, and the impurity removal unit 70c to meet the need of the gas purification system 70 to circulate and purify the gas in the box 20.

[0031] The vacuum system 80 and the water-oxygen analyzer 60 are respectively connected to the box 20, the vacuum system 80 is configured to evacuate the box 20, and the water-oxygen analyzer 60 is configured to analyze the water-oxygen content in the box 20; Figure 1 and Figure 2 As an example, the vacuum system 80 is located below the box 20 and mounted on the rack 10, the water oxygen analyzer 60 is assembled and connected to the side wall 21 of the box 20, and the side wall 21 of the box 20 where the water oxygen analyzer 60 is located and the side wall 21 of the box 20 where the visual panel 22 is located are adjacent to each other. Figure 1 In the embodiment, the side wall 21 of the box body 20 where the visual panel 22 is located is the front side wall, and the side wall 21 of the box body 20 where the water oxygen analyzer 60 is located is the right side wall, so as to facilitate the operation of the operator; obviously, according to actual needs, the side wall 21 of the box body 20 where the visual panel 22 is located and the side wall 21 of the box body 20 where the water oxygen analyzer 60 is located can also be the side walls of the box body 20 in other directions, so it is not necessary to Figure 1 More specifically, as follows:

[0032] like Figure 1 and Figure 2 As shown in FIG. 1 , as an example, a pressure gauge 31, a movable storage rack 32 and an operating hand wheel 33 are provided on the transition chamber 30. The operating hand wheel 33 is configured to open and close a door 34 of the transition chamber 30 to facilitate the entry and exit of articles and the replacement of inert gas. Figure 1 As an example, the transition chamber 30 is further provided with a hydraulic cylinder 35 for hydraulically fastening the chamber door 34 to improve the reliability of the chamber door 34 when it is closed.

[0033] Another example Figure 1 and Figure 2 As shown, as an example, the box body 20 is connected with an inert gas delivery pipe 24, a pressure balance pipe 25, a cooling water inlet pipe 26 and a cooling water outlet pipe 27. A valve body 241 is provided on the inert gas delivery pipe 24, a valve body 251 is provided on the pressure balance pipe 25, a valve body 261 is provided on the cooling water inlet pipe 26, and a valve body 271 is provided on the cooling water outlet pipe 27; therefore, the inert gas delivery pipe 24 is used to meet the need of inputting inert gas into the box body 20; the pressure balance pipe 25 is used to ensure the pressure balance in the box body 20. In addition, the valve bodies 241, 251, 261 and 271 are used to correspondingly close or disconnect the operations of the inert gas delivery pipe 24, the pressure balance pipe 25, the cooling water inlet pipe 26 and the cooling water outlet pipe 27.

[0034] like Figure 3As shown, as an example, the water oxygen analyzer 60 includes a touch screen 61 and an oxygen sensor 62 and a moisture sensor 63 electrically connected to the touch screen 61; therefore, with the help of the oxygen sensor 62, it is used to detect the oxygen content in the box 20 in real time; with the help of the moisture sensor 63, it is used to detect the moisture content in the box 20 in real time; with the help of the touch screen 61, it is used to process the detection information fed back by the oxygen sensor 62 and the moisture sensor 63, and display the processed water and oxygen content. Since the specific structure and working principle of the water oxygen analyzer 60 are well known in the art, they are not repeated here.

[0035] like Figure 1 As shown, as an example, the chemical synthesis equipment 40 includes an electronic scale 41, a thermometer 42, an operating table 43, a stirrer 44, a condenser 45, a flask 46 and a heating pot 47 to meet the needs of operators to perform various chemical experiments. Figure 1 As an example, the operating table 43 is an iron frame table, the stirrer 44 is an electric stirrer, the condenser 45 is a spherical glass condenser, the flask 46 is a three-necked flask, and the heating pot 47 is an electrically heated electromagnetic oil bath pot; correspondingly, silicone oil is added to the heating pot 47; in addition, an L-shaped rack 28 is also provided in the box body 20, and the L-shaped rack 28 is located on the side wall 21 of the box body 20 opposite to the visible panel 22.

[0036] like Figure 5 As shown, as an example, the deoxidation unit 70a is a reduced iron powder filler processor to effectively improve the deoxidation capacity; Figure 5 In the embodiment, as an example, the reduced iron powder filler processor includes a porous filler ball 70a1, a cloth bag 70a2 filled in the porous filler ball 70a1, and reduced iron powder 70a3 filled in the cloth bag 70a2; such a design can effectively increase the filler adsorption area and porosity of the deoxidation unit 70a, thereby more effectively improving the deoxidation capacity. For example, the porous filler ball 70a1 is made of plastic, and the cloth bag 70a2 is a non-woven bag, but it is not limited thereto.

[0037] like Figure 6 As shown, as an example, the water removal unit 70b is a caustic soda filler processor to effectively improve the water removal capacity; optionally, Figure 6 In the embodiment, as an example, the caustic soda filler processor includes a porous filler ball 70b1 and a sodium hydroxide caustic soda flake 70b2 filled in the porous filler ball 70b1; therefore, the porous filler ball 70b1 is used to more effectively increase the filler adsorption area and porosity of the water removal unit 70b; and the sodium hydroxide caustic soda flake 70b2 is used to further improve the water removal capacity. For example, the porous filler ball 70b1 of the water removal unit 70b is made of plastic, but the present invention is not limited thereto.

[0038] Combination Figure 7 and Figure 8 As an example, the impurity removal unit 70c includes an activated carbon filler processor 70c1 and a molecular sieve filler processor 70c2 arranged in series with each other to more effectively improve the impurity removal capability. Figure 7 As an example, the activated carbon filler processor 70c1 includes a porous filler ball 73, and the porous filler ball 73 of the activated carbon filler processor 70c1 is filled with activated carbon particles 731, so that the porous filler ball 73 can be used to more effectively increase the filler adsorption area and porosity of the activated carbon filler processor 70c1; and the activated carbon particles 731 can be used to further improve the purification capacity. Figure 8 In the embodiment, as an example, the molecular sieve filler processor 70c2 includes a porous filler ball 74, and the porous filler ball 74 of the molecular sieve filler processor 70c2 is filled with molecular sieve particles 741; therefore, the porous filler ball 74 is used to more effectively increase the filler adsorption area and porosity of the molecular sieve filler processor 70c2; and the molecular sieve particles 741 are used to further improve the purification capacity. For example, the porous filler ball 73 of the activated carbon filler processor 70c1 and the porous filler ball 74 of the molecular sieve filler processor 70c2 are both made of plastic, but the present invention is not limited thereto.

[0039] Compared with the prior art, with the aid of the vacuum system 80, the box 20 is placed in a vacuum state before an inert gas (such as but not limited to high-purity nitrogen) is introduced into the box 20; with the aid of the design that "the gas purification system 70 includes a deoxygenation unit 70a, a dehydration unit 70b, an impurity removal unit 70c, and a circulating fan 70d that sequentially sends the gas filtered by the filter 50 into the deoxygenation unit 70a, the dehydration unit 70b, and the impurity removal unit 70c", the moisture, oxygen, and impurities introduced into the box 20 can be quickly and conveniently processed, and the water and oxygen content in the box 20 can be monitored in real time by the water and oxygen analyzer 60, thereby ensuring that the chemical synthesis equipment 40 in the box 20 performs experiments when the water and oxygen contents reach the control indicators; therefore, the chemical synthesis glove box 100 of the present invention has the advantages of rapid and convenient water and oxygen analysis and control; in addition, with the aid of the chemical synthesis equipment 40 located in the box 20, various chemical synthesis experiments under anhydrous and oxygen-free conditions can be performed to meet the high quality requirements of new energy materials.

[0040] It is additionally noted that the vacuum system 80 may be a vacuum pump; Figure 1 and Figure 2 As an example, the vacuum pump is connected to the box body 20 via a vacuum pipe 81. In addition, in order to facilitate the wiring operation of the chemical synthesis glove box 100 of the present invention, an electric control box 11 is installed on the frame 10.

[0041] The above disclosure is only a preferred embodiment of the present invention, which cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are all within the scope of the present invention.

Claims

1. A glove box for chemical synthesis, comprising a frame, a box body mounted on the frame, and a transition chamber connected to the box body, wherein a visual panel and operating gloves are provided on the side wall of the box body, characterized in that: The chemical synthesis glove box also includes chemical synthesis equipment, a filter, a water-oxygen analyzer located outside the box, a gas purification system and a vacuum system; the chemical synthesis equipment and the filter are located inside the box; the inlet of the gas purification system is connected to the filter, and the outlet of the gas purification system is connected to the box, the gas purification system includes a deoxygenation unit, a water removal unit, an impurity removal unit and a circulating fan that sequentially sends the gas filtered by the filter into the deoxygenation unit, the water removal unit and the impurity removal unit; the vacuum system and the water-oxygen analyzer are respectively connected to the box, the vacuum system is configured to evacuate the box, and the water-oxygen analyzer is configured to analyze the water-oxygen content in the box.

2. The chemical synthesis glove box according to claim 1, characterized in that: The deoxidation unit is a reduced iron powder filler processor.

3. The chemical synthesis glove box according to claim 2, characterized in that: The reduced iron powder filling processor comprises porous filling balls, cloth bags filled in the porous filling balls, and reduced iron powder filled in the cloth bags.

4. The chemical synthesis glove box according to claim 1, characterized in that: The dewatering unit is a caustic soda flake filler processor.

5. The chemical synthesis glove box according to claim 4, characterized in that: The caustic soda flake filler processor comprises porous filler balls and sodium hydroxide flake caustic soda filled in the porous filler balls.

6. The chemical synthesis glove box according to claim 1, characterized in that: The impurity removal unit comprises an activated carbon filler processor and a molecular sieve filler processor which are arranged in series with each other.

7. The chemical synthesis glove box according to claim 6, characterized in that: The activated carbon filler processor and the molecular sieve filler processor both comprise porous filler balls. The porous filler balls of the activated carbon filler processor are filled with activated carbon particles, and the porous filler balls of the molecular sieve filler processor are filled with molecular sieve particles.

8. The chemical synthesis glove box according to claim 1, characterized in that: The water-oxygen analyzer is mounted on the side wall of the box body, and comprises a touch screen and an oxygen sensor and a moisture sensor electrically connected to the touch screen.

9. The chemical synthesis glove box according to claim 1, characterized in that: The chemical synthesis equipment comprises an electronic scale, a thermometer, an operating table, a stirrer, a condenser, a flask and a heating pot, wherein silicone oil is added into the heating pot.

10. The chemical synthesis glove box according to claim 1, characterized in that: One end of the transition bin is fixedly connected to the side wall of the box body by means of a flange, and the transition bin is provided with a pressure gauge, a movable storage rack and an operating hand wheel, and the operating hand wheel is configured to open and close the door of the transition bin; an inert gas delivery pipe, a pressure balance pipe, a cooling water inlet pipe and a cooling water outlet pipe are connected to the box body, and the inert gas delivery pipe, the pressure balance pipe, the cooling water inlet pipe and the cooling water outlet pipe are all provided with valve bodies.

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