Efficient intelligent condensation recovery device for anhydrous hydrogen fluoride

Abstract

The utility model relates to the technical field of hydrogen fluoride, and discloses an efficient and intelligent anhydrous hydrogen fluoride condensation recovery device which comprises a gas storage bin, the top end of the gas storage bin is fixedly connected with a sucking pump, the sucking end of the sucking pump is fixedly connected with a second gas inlet pipe, and the top end of the second gas inlet pipe is in threaded connection with a filter pipe. The top end of the filter pipe is in threaded connection with a connecting pipe, a supporting piece is fixedly connected to the interior of the filter pipe, a dust filtering net is installed at the top end of the supporting piece, and the exhaust end of the sucking pump is fixedly connected with a first air inlet pipe. According to the technical scheme, the dust filtering net can be firmly supported and installed through the supporting piece and the limiting groove, when recycled gas passes through the filtering pipe, the dust filtering net can filter dust impurities in the gas, the filtering pipe can be rapidly disassembled and assembled in a threaded connection mode, and the dust filtering net is convenient to use. The dust filtering net can be quickly disassembled, assembled, cleaned or replaced, and convenience and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fluoride, in particular to a high-efficiency intelligent condensation recovery device for anhydrous hydrogen fluoride. Background Technique

[0002] White smoke is generated, which is highly soluble in water and can be infinitely miscible with water to form hydrofluoric acid. There are hydrogen bonds between hydrogen fluoride molecules, which can exhibit some abnormal properties, such as a much higher boiling point than other hydrogen halides. Hydrogen fluoride has strong chemical reactivity and can react with many compounds. When hydrogen fluoride is a solute in water, it is a weak acid, while pure hydrogen fluoride is a strong acid. During the preparation process, when it condenses from a gas state to a liquid or crystal state, usually a part of anhydrous hydrogen fluoride gas remains, which is usually recovered by a gas storage tank.

[0003] In the patent document with the published publication number CN213089438U, a high-efficiency intelligent condensation recovery device for anhydrous hydrogen fluoride is disclosed, which relates to the technical field of chemical processing. It includes a gas storage tank, an upper air extraction pump, an upper air extraction pipe, an upper air extraction one-way pipe, a side air extraction pump, a side air extraction pipe, a side air extraction one-way pipe, an air outlet one-way pipe, an air outlet pump, and an air outlet pipe; an upper air extraction pump is arranged on the upper part of the gas storage tank, the upper air extraction pipe is connected to the upper air extraction pump, and an upper air extraction one-way pipe is arranged above the inner part of the gas storage tank corresponding to the position of the upper air extraction pump; after adopting the above technical solution, the beneficial effects are: it can efficiently recover the remaining gas after the condensation of anhydrous hydrogen fluoride, and the whole is a detachable structure with high tightness, which can ensure smooth gas flow, avoid gas backflow in the pipeline, has a short working time required for recovery, high recovery efficiency, and high practicability.

[0004] In the actual use process of the condensation recovery device of the above patent, it is not convenient to filter dust impurities in the gas. Therefore, a high-efficiency intelligent condensation recovery device for anhydrous hydrogen fluoride is needed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-efficiency intelligent condensation recovery device for anhydrous hydrogen fluoride, which solves the problems raised in the background technique.

[0006] An embodiment of the present application provides an efficient intelligent condensation recovery device for anhydrous hydrogen fluoride, which includes a gas storage bin. The top end of the gas storage bin is fixedly connected with an air extraction pump. The air extraction end of the air extraction pump is fixedly connected with a second air inlet pipe. The top end of the second air inlet pipe is threadedly connected with a filter pipe. The top end of the filter pipe is threadedly connected with a connecting pipe. A support member is fixedly connected inside the filter pipe. A dust filter screen is installed at the top end of the support member. The exhaust end of the air extraction pump is fixedly connected with a first air inlet pipe. The first air inlet pipe penetrates into the interior of the gas storage bin. The outer walls on both sides of the gas storage bin are respectively fixedly connected with a discharge pipe and an outlet pipe. A constant temperature base is installed at the bottom end inside the gas storage bin. A temperature control panel is arranged on the front wall of the gas storage bin.

[0007] During use, after anhydrous hydrogen fluoride condenses into crystals or powders in the condensation device, the remaining anhydrous hydrogen fluoride gas can be quickly pumped into the interior of the gas storage bin through the cooperation of the air extraction pump, the first air inlet pipe, the connecting pipe and the second air inlet pipe. The dust filter screen can be firmly installed inside the filter pipe through the support member and the limiting groove. When the recovered gas passes through the filter pipe, the dust filter screen can filter out the dust impurities in the gas. And through the threaded connection method, the filter pipe can be quickly disassembled and assembled, and the dust filter screen can be quickly disassembled, cleaned or replaced, which is convenient and practical. The constant temperature base can keep the temperature inside the gas storage bin stable. When the gas in the gas storage bin needs to be used, the gas can be discharged through the outlet pipe.

[0008] Optionally, a limiting groove is opened at the top end of the support member, and the bottom end of the dust filter screen is clamped inside the limiting groove.

[0009] By adopting the above technical solution, the firmness of the installation of the dust filter screen is further improved.

[0010] Optionally, internal threads are provided on the inner walls at both ends of the filter pipe.

[0011] By adopting the above technical solution, it is beneficial to the quick disassembly and assembly of the filter pipe.

[0012] Optionally, manual valves are installed on both the discharge pipe and the outlet pipe.

[0013] By adopting the above technical solution, it is beneficial to the opening or closing of the discharge pipe and the outlet pipe.

[0014] Optionally, support columns are fixedly connected to the four corners at the bottom end of the gas storage bin.

[0015] By adopting the above technical solution, it is beneficial to stably support the gas storage bin.

[0016] Optionally, a pressure gauge is installed on the outer wall of the gas storage bin on one side of the outlet pipe, and the pressure gauge is located above the outlet pipe.

[0017] By adopting the above technical solution, it is beneficial for the operator to directly observe the pressure value inside the gas storage bin.

[0018] Optionally, a through notch is provided at the middle position of the support member.

[0019] By adopting the above technical solution, it is beneficial for the gas to pass through the support member normally.

[0020] Optionally, the dust filter net is made of stainless steel metal material.

[0021] By adopting the above technical solution, it is beneficial to improve the corrosion resistance and strength of the dust filter net, and extend its service life.

[0022] Compared with the prior art, the beneficial effects of the technical solution of the present application are as follows:

[0023] The technical solution of the present application can firmly support and install the dust filter net through the support member and the limit groove. When the recovered gas passes through the filter pipe, the dust filter net can filter the dust impurities in the gas, and the filter pipe can be quickly disassembled and assembled by means of threaded connection, and the dust filter net can be quickly disassembled, cleaned or replaced, which is convenient and practical. Description of the Drawings

[0024] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes and advantages of the present utility model will become more obvious:

[0025] Figure 1 It is a schematic internal structure diagram of an anhydrous hydrogen fluoride high-efficiency intelligent condensation recovery device of the present utility model;

[0026] Figure 2 It is a schematic external structure diagram of an anhydrous hydrogen fluoride high-efficiency intelligent condensation recovery device of the present utility model;

[0027] Figure 3 It is a schematic cross-sectional structure diagram of a filter pipe of an anhydrous hydrogen fluoride high-efficiency intelligent condensation recovery device of the present utility model;

[0028] Figure 4 It is a schematic assembly structure diagram of a support member and a dust filter net of an anhydrous hydrogen fluoride high-efficiency intelligent condensation recovery device of the present utility model.

[0029] In the figure: 1. First intake pipe; 2. Air extraction pump; 3. Connecting pipe; 4. Filter pipe; 5. Second intake pipe; 6. Gas storage bin; 7. Discharge pipe; 8. Support column; 9. Constant temperature base; 10. Outlet pipe; 11. Manual valve; 12. Pressure gauge; 13. Temperature control board; 14. Limit groove; 15. Internal thread; 16. Support member; 17. Dust filter net. Detailed Embodiments

[0030] Please refer to Figures 1-4 , the present utility model provides a technical solution: an efficient intelligent condensation recovery device for anhydrous hydrogen fluoride, including a gas storage bin 6, a suction pump 2 is fixedly connected to the top end of the gas storage bin 6, a second intake pipe 5 is fixedly connected to the suction end of the suction pump 2, a filter pipe 4 is threadedly connected to the top end of the second intake pipe 5, a connecting pipe 3 is threadedly connected to the top end of the filter pipe 4, a support member 16 is fixedly connected to the inside of the filter pipe 4, a dust filter screen 17 is installed at the top end of the support member 16, a first intake pipe 1 is fixedly connected to the exhaust end of the suction pump 2, the first intake pipe 1 penetrates into the inside of the gas storage bin 6, an air release pipe 7 and an outlet pipe 10 are respectively fixedly connected to the outer walls on both sides of the gas storage bin 6, a constant temperature base 9 is installed at the bottom end inside the gas storage bin 6, and a temperature control panel 13 is arranged on the front wall of the gas storage bin 6.

[0031] In the technical solution of the present utility model, as Figure 4 shown, a limiting groove 14 is opened at the top end of the support member 16, and the bottom end of the dust filter screen 17 is clamped inside the limiting groove 14; further improving the firmness of the installation of the dust filter screen 17.

[0032] In the technical solution of the present utility model, as Figure 3 shown, internal threads 15 are arranged on the inner walls at both ends of the filter pipe 4; which is beneficial to the quick disassembly and assembly of the filter pipe 4.

[0033] In the technical solution of the present utility model, as Figure 1 shown, manual valves 11 are installed on both the air release pipe 7 and the outlet pipe 10; which is beneficial to the opening or closing of the air release pipe 7 and the outlet pipe 10.

[0034] In the technical solution of the present utility model, as Figure 1 shown, support columns 8 are fixedly connected to the four corners at the bottom end of the gas storage bin 6; which is beneficial to the stable support of the gas storage bin 6.

[0035] In the technical solution of the present utility model, as Figure 2 shown, a pressure gauge 12 is installed on the outer wall of the gas storage bin 6 on one side of the outlet pipe 10, and the pressure gauge 12 is located above the outlet pipe 10; which is beneficial for the operator to directly observe the pressure value inside the gas storage bin 6.

[0036] In the technical solution of the present utility model, as Figure 4 shown, a through slot is opened at the middle position of the support member 16; which is beneficial for the gas to normally pass through the support member 16.

[0037] In the technical solution of the present utility model, as Figure 3 shown, the dust filter screen 17 is made of stainless steel metal material; which is beneficial to improve the anti-rust property and strength of the dust filter screen 17 and extend the service life.

[0038] During use, after anhydrous hydrogen fluoride condenses into crystals or powder in the condensation device, the remaining anhydrous hydrogen fluoride gas can be quickly pumped into the interior of the gas storage bin 6 through the air extraction pump 2 in cooperation with the first intake pipe 1, the connecting pipe 3, and the second intake pipe 5. The dust filter net 17 can be stably installed inside the filter pipe 4 through the support member 16 and the limit groove 14. When the recycled gas passes through the filter pipe 4, the dust filter net 17 can filter out the dust impurities in the gas, and the filter pipe 4 can be quickly disassembled and assembled by means of threaded connection, and the dust filter net 17 can be quickly disassembled, cleaned or replaced, which is convenient and practical. The constant temperature base 9 can keep the temperature in the gas storage bin 6 stable. When the gas in the gas storage bin 6 needs to be used, the gas can be discharged through the air outlet pipe 10.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An efficient and intelligent condensation and recovery device for anhydrous hydrogen fluoride, characterized in that: The invention comprises an air storage bin (6), the top of which is fixedly connected to an air pump (2), the air extraction end of the air pump (2) is fixedly connected to a second air inlet pipe (5), the top of the second air inlet pipe (5) is threadedly connected to a filter pipe (4), the top of the filter pipe (4) is threadedly connected to a connecting pipe (3), the inside of the filter pipe (4) is fixedly connected to a support member (16), the top of the support member (16) is provided with a dust filter (17), the exhaust end of the air pump (2) is fixedly connected to a first air inlet pipe (1), the first air inlet pipe (1) is passed through the inside of the air storage bin (6), the outer walls on both sides of the air storage bin (6) are respectively fixedly connected to an air release pipe (7) and an air outlet pipe (10), the bottom of the inside of the air storage bin (6) is provided with a constant temperature base (9), and the front wall of the air storage bin (6) is provided with a temperature control panel (13).

2. The highly efficient and intelligent anhydrous hydrogen fluoride condensation recovery device according to claim 1 is characterized in that: A limiting groove (14) is provided at the top end of the support member (16), and the bottom end of the dust filter (17) is engaged in the interior of the limiting groove (14).

3. The highly efficient and intelligent anhydrous hydrogen fluoride condensation recovery device according to claim 1 is characterized in that: Internal threads (15) are provided on the inner walls at both ends of the filter tube (4).

4. The highly efficient and intelligent anhydrous hydrogen fluoride condensation recovery device according to claim 1, characterized in that: Manual valves (11) are installed on the air release pipe (7) and the air outlet pipe (10).

5. The highly efficient and intelligent condensation and recovery device for anhydrous hydrogen fluoride according to claim 1 is characterized in that: Support columns (8) are fixedly connected to the four corners of the bottom end of the gas storage bin (6).

6. The highly efficient and intelligent condensation and recovery device for anhydrous hydrogen fluoride according to claim 1, characterized in that: A pressure gauge (12) is installed on the outer wall of the gas storage bin (6) located on one side of the gas outlet pipe (10), and the pressure gauge (12) is located above the gas outlet pipe (10).

7. The highly efficient and intelligent anhydrous hydrogen fluoride condensation and recovery device according to claim 1, characterized in that: A through-type notch is provided at the middle position of the support member (16).

8. The highly efficient and intelligent condensation and recovery device for anhydrous hydrogen fluoride according to claim 1, characterized in that: The dust filter (17) is made of stainless steel.

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