Multifunctional disilane rectification device

Abstract

The utility model discloses a disilane multifunctional rectification device which comprises a main rectification box, a rectification assembly and a recovery assembly, the rectification assembly is fixedly installed in the main rectification box, the recovery assembly is fixedly installed on the outer side of the main rectification box, and disilane is rectified through the rectification assembly. Rectified disilane is recycled through the recycling assembly, so that disilane leakage is avoided, and the rectifying assembly comprises a refrigerator, a refrigerating pipe, a control valve, a filtering box, a filtering net and a material guiding pipe. Disilane rectified for the first time passes through the filter screen and then enters the storage box through the filter box, fine impurities in mixed liquid are intercepted again when the disilane passes through the filter screen, the filtering performance is remarkably improved, the purity of rectified products is guaranteed, and therefore the product quality is guaranteed; and residual flow gas guided out after rectification is collected through the recovery bottle, so that damage caused by exposure of the gas is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of disilane equipment, in particular to a multifunctional disilane distillation device. Background Art

[0002] In the production process of high-purity silane, distillation is a key technology, which directly affects the purity and quality of the product. It is a non-corrosive, slightly toxic gas that is stable to water and acid. It decomposes into silicate and hydrogen when it meets alkali, and decomposes into silane and hydrogen under the action of alkali metals. It can burn in the air to generate silicon oxide and water. During the preparation, the raw silane gas enters the discharge tube through a mass flow meter, and generates a mixed gas containing a certain amount of disilane, methane and hydrogen at an appropriate temperature, frequency and voltage. The mixed gas is absorbed in different cold traps, and impurities are discharged to obtain high-purity disilane, which can be used in the production of solar cells, etc.

[0003] The distillation device in the existing document 202210770174.0 is too simple, and general distillation equipment cannot collect the residual gas after the distillation of disilane is completed, and the disilane after the distillation is completed cannot be filtered and purified again, which will result in the low purity of the distilled disilane. Therefore, the utility model proposes a multifunctional distillation device for disilane to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to propose a multifunctional distillation device for disilane, which uses a filter box to allow the disilane distilled for the first time to pass through a filter screen and then enter a storage box, and intercepts fine impurities in the mixed liquid again when passing through the filter screen, thereby significantly improving the filtering performance and ensuring the purity of the product after distillation, thereby ensuring the product quality. Through the arrangement of an external vacuum pump, a recovery bottle and a connecting pipe, the residual gas discharged after the distillation is collected through the recovery bottle to avoid damage caused by gas exposure.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a multifunctional distillation device for disilane, including a main distillation box, a distillation component and a recovery component, the distillation component is fixedly installed inside the main distillation box, and the recovery component is fixedly installed on the outside of the main distillation box, the disilane is distilled by the distillation component, and the distilled disilane is recovered by the recovery component to avoid leakage of the disilane, the distillation component includes a refrigerator, a refrigeration pipe, a control valve, a filter box, a filter screen and a material guide pipe, a refrigerator is fixedly installed on one side of the main distillation box, the output end of the refrigerator is connected to the refrigeration pipe, a control valve is fixedly installed at the middle position inside the main distillation box, a filter box is fixedly installed at the bottom of the main distillation box, the filter box is arranged below the control valve, a filter screen is fixedly installed inside the filter box, and a material guide pipe is fixedly installed at the bottom of the filter box.

[0006] A further improvement is that the recovery component includes a vacuum pump, a recovery bottle, a connecting pipe and a support frame, the vacuum pump is fixedly installed on one side of the main distillation box, the recovery bottle is fixedly installed on one side of the vacuum pump, one side of the recovery bottle is fixedly connected to the connecting pipe, the support frame is fixedly installed on one side of the main distillation box, the recovery bottle is installed above the support frame, and the vacuum pump is arranged on the surface of the connecting pipe.

[0007] A further improvement is that an air inlet is provided above the control valve, and an air outlet is provided below the control valve.

[0008] A further improvement is that a flow guide pipe is fixedly installed at the bottom of the main distillation box, and multiple groups of storage tanks are fixedly placed on one side of the main distillation box, and the flow guide pipe is interconnected with each group of storage tanks.

[0009] A further improvement is that a reboiler is fixedly installed below the main distillation box.

[0010] A further improvement is that: the guide tube is fixedly mounted with a mounting knob, a mounting opening is opened on the top of the storage tank, and the mounting knob and the mounting opening are adapted to each other.

[0011] A further improvement is that a sealing cover is movably installed on the top of the main distillation box, and a sealing door is fixedly installed on the front of the main distillation box.

[0012] The beneficial effects of the utility model are as follows: the utility model uses the setting of the filter box so that the disilane of the first distillation passes through the filter screen and then enters the storage box, and intercepts the fine impurities in the mixed liquid again when passing through the filter screen, which significantly improves the filtering performance and ensures the purity of the product after distillation, thereby ensuring the product quality; through the setting of the outer vacuum pump, recovery bottle and connecting pipe, the residual gas discharged after the distillation is collected through the recovery bottle to avoid damage caused by gas exposure; the device can quickly and effectively distill and purify substances through efficient distillation technology and the setting of multiple components, greatly improving the efficiency of distillation, and improving the purity and quality of the product by ensuring the uniformity and controllability of the distillation process; the optimized energy management system reduces unnecessary energy consumption and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a front cross-sectional view of the utility model;

[0015] Figure 2 It is a front schematic diagram of the utility model.

[0016] Among them: 1. Main distillation box; 2. Refrigerator; 3. Refrigeration pipe; 4. Control valve; 5. Filter box; 6. Filter screen; 7. Material guide pipe; 8. Vacuum pump; 9. Recovery bottle; 10. Connecting pipe; 11. Support frame; 12. Air inlet; 13. Air outlet; 14. Flow guide pipe; 15. Storage tank; 16. Reboiler; 17. Installation knob; 18. Installation port; 19. Sealing cover; 20. Sealing door. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical, not all of the embodiments. Based on the embodiment in the practical, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical.

[0018] In the description of this utility model, it should be noted that, unless otherwise clearly specified and limited, the terms installation, connection and connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] according to Figure 1 , Figure 2 As shown, the present embodiment provides a multifunctional distillation device for disilane, including a main distillation box 1, a distillation component and a recovery component. The distillation component is fixedly installed inside the main distillation box 1, and the recovery component is fixedly installed outside the main distillation box 1. The disilane is distilled by the distillation component, and the distilled disilane is recovered by the recovery component to prevent leakage of the disilane. The distillation component includes a refrigerator 2, a refrigeration pipe 3, a control valve 4, a filter box 5, a filter screen 6 and a guide pipe 7. The refrigerator 2 is fixedly installed on one side of the main distillation box 1, and the output end of the refrigerator 2 is connected to the refrigeration pipe 3. By driving the refrigerator 2 drives the refrigeration pipe 3 to cool down the interior of the main distillation box 1, and performs low-temperature distillation treatment on the disilane. A control valve 4 is fixedly installed at the middle position inside the main distillation box 1. The gas distilled by driving the control valve 4 is introduced into the bottom of the main distillation box 1. A filter box 5 is fixedly installed at the bottom of the main distillation box 1. The gas enters the filter box 5 for filtering. The filter box 5 is arranged below the control valve 4. A filter screen 6 is fixedly installed inside the filter box 5. A guide pipe 7 is fixedly installed at the bottom of the filter box 5. The filter screen 6 inside the filter box 5 is used to filter the disilane again, thereby improving the distillation purity of the disilane.

[0020] The recovery component includes an exhaust pump 8, a recovery bottle 9, a connecting pipe 10 and a support frame 11. The exhaust pump 8 is fixedly installed on one side of the main distillation box 1, and the residual gas after distillation inside the main distillation box 1 is extracted by driving the exhaust pump 8. The recovery bottle 9 is fixedly installed on one side of the exhaust pump 8, and one side of the recovery bottle 9 is fixedly connected to the connecting pipe 10. The support frame 11 is fixedly installed on one side of the main distillation box 1, and the recovery bottle 9 is installed above the support frame 11. The exhaust pump 8 is set on the surface of the connecting pipe 10, and the recovery bottle 9 is introduced through the connecting pipe 10, and the recovery bottle 9 is fixedly installed on the support frame 11 through the support frame 11.

[0021] An air inlet 12 is provided above the control valve 4 , and the control valve 4 is driven to drive the air inlet 12 to discharge the disilane. An air outlet 13 is provided below the control valve 4 , and the disilane is introduced into the filter box 5 through the air outlet 13 .

[0022] A guide pipe 14 is fixedly installed at the bottom of the main distillation box 1, and multiple groups of storage tanks 15 are fixedly placed on one side of the main distillation box 1. The guide pipe 14 is connected to each group of storage tanks 15. The guide pipe 14 is set to guide the disilane into the storage tank 15 for sealed storage to complete the distillation work.

[0023] A reboiler 16 is fixedly installed below the main distillation tank 1, and the liquid is vaporized again through the reboiler 16. The reboiler 16 is used to increase the temperature and vaporize. The setting of the reboiler 16 provides a certain flow rate of rising steam flow, which will play an important role in the distillation process and ensure the continuity and efficiency of the distillation process.

[0024] The guide tube 14 is fixedly installed with a mounting knob 17, and a mounting opening 18 is opened on the top of the storage tank 15. The mounting knob 17 and the mounting opening 18 are adapted to each other, and the storage tank 15 is fixedly installed and used by setting the mounting knob 17 and the mounting opening 18.

[0025] A sealing cover 19 is movably installed on the top of the main distillation box 1. The sealing cover 19 is used to seal the top of the main distillation box 1 to prevent gas leakage. A sealing door 20 is fixedly installed on the front of the main distillation box 1. The sealing door 20 is used to seal the front. The sealing cover 19 and the sealing door 20 are both detachable to facilitate disassembly of the sealing cover 19 and the sealing door 20 for internal maintenance.

[0026] When the multifunctional distillation device for disilane is used, the distillation component is used to distill the disilane, and the distilled disilane is recovered through the recovery component to prevent leakage of the disilane. The refrigerator 2 is driven to drive the refrigeration pipe 3 to cool the interior of the main distillation box 1, and the disilane is subjected to low-temperature distillation. The distilled gas driven by the control valve 4 is introduced into the bottom of the main distillation box 1 and enters the filter box 5. The disilane is filtered again by the filter screen 6 inside the filter box 5, so that the distillation purity of the disilane is improved. The residual gas after distillation in the main distillation box 1 is extracted by driving the vacuum pump 8, and is introduced into the recovery bottle 9 through the connecting pipe 10. The recovery bottle 9 is fixedly installed on the support frame 11 through the support frame 11, and the air inlet 12 is driven by the control valve 4 to lead out the disilane. The gas inlet 13 introduces disilane into the filter box 5, and the disilane is guided to the storage tank 15 through the setting of the guide tube 14 for sealed storage to complete the distillation work, and the liquid is vaporized again through the reboiler 16. The reboiler 16 is used to heat and vaporize. The setting of the reboiler 16 provides a certain flow of rising steam flow, which will play an important role in the distillation process to ensure the continuity and efficiency of the distillation process. The storage tank 15 is fixedly installed and used by the setting of the mounting knob 17 and the mounting port 18. The top of the main distillation box 1 is sealed by the setting of the sealing cover 19 to prevent gas leakage. The setting of the sealing door 20 facilitates the sealing of the front, and the sealing cover 19 and the sealing door 20 are both detachable, which facilitates the disassembly of the sealing cover 19 and the sealing door 20 for internal maintenance.

[0027] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multifunctional disilane distillation device, comprising a main distillation tank (1), a distillation component and a recovery component, characterized in that: A distillation assembly is fixedly installed inside the main distillation box (1), and a recovery assembly is fixedly installed outside the main distillation box (1). The distillation assembly comprises a refrigerator (2), a refrigeration pipe (3), a control valve (4), a filter box (5), a filter screen (6) and a material guide pipe (7). A refrigerator (2) is fixedly installed on one side of the main distillation box (1), and the output end of the refrigerator (2) is connected to the refrigeration pipe (3). A control valve (4) is fixedly installed inside the main distillation box (1). A filter box (5) is fixedly installed below the main distillation box (1), and the filter box (5) is arranged below the control valve (4). A filter screen (6) is fixedly installed inside the filter box (5), and a material guide pipe (7) is fixedly installed at the bottom of the filter box (5).

2. A multifunctional disilane distillation device according to claim 1, characterized in that: The recovery component comprises an air pump (8), a recovery bottle (9), a connecting pipe (10) and a support frame (11); the air pump (8) is fixedly mounted on one side of the main distillation box (1); the recovery bottle (9) is fixedly mounted on one side of the air pump (8); one side of the recovery bottle (9) is fixedly connected to the connecting pipe (10); the support frame (11) is fixedly mounted on one side of the main distillation box (1); the recovery bottle (9) is mounted above the support frame (11); and the air pump (8) is arranged on the surface of the connecting pipe (10).

3. A multifunctional disilane distillation device according to claim 1, characterized in that: An air inlet (12) is provided above the control valve (4), and an air outlet (13) is provided below the control valve (4).

4. A multifunctional disilane distillation device according to claim 1, characterized in that: A flow guide pipe (14) is fixedly installed at the bottom of the main distillation box (1), and a plurality of groups of storage tanks (15) are fixedly placed on one side of the main distillation box (1), and the flow guide pipe (14) is interconnected with each group of storage tanks (15).

5. A multifunctional disilane distillation device according to claim 1, characterized in that: A reboiler (16) is fixedly installed below the main distillation tank (1).

6. A multifunctional disilane distillation device according to claim 4, characterized in that: The guide tube (14) is fixedly mounted with a mounting knob (17), and a mounting opening (18) is provided on the top of the storage tank (15), and the mounting knob (17) and the mounting opening (18) are adapted to each other.

7. A multifunctional disilane distillation device according to claim 1, characterized in that: A sealing cover (19) is movably mounted on the top of the main distillation box (1), and a sealing door (20) is fixedly mounted on the front of the main distillation box (1).

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