Blister level adjustable chlorine drying tower and method of use thereof

Abstract

The application belongs to the technical field of gas drying equipment, and particularly relates to a bubble cap layer adjustable chlorine drying tower, which comprises a drying tank, drying trays arranged in layers in the drying tank, liquid level adjusting mechanisms for lifting of liquid level lifting pipes arranged on the drying trays, condensation and dehumidification mechanisms installed at both ends of the drying tank, circulating mechanisms installed at the upper end of the drying tank for prolonging the contact time of air with the condensation and dehumidification mechanisms, and pressure gauges installed on the drying tank for pressure monitoring. The liquid level adjusting mechanisms for lifting of the liquid level lifting pipes arranged on the drying trays are used to conveniently adjust the liquid above the drying trays, the pressure value above the drying trays is adjusted, the pressure required in the drying tank during drying of chlorine is adjusted, the condensation and dehumidification mechanisms installed at both ends of the drying tank are used to make water vapor in the chlorine liquefy when the water vapor contacts the condensation and dehumidification mechanisms, and thus the chlorine is subjected to double drying.

Description

Technical Field

[0001] This invention belongs to the technical field of gas drying equipment, specifically relating to an adjustable chlorine drying tower with a bubble cap layer and its usage method. Background Technology

[0002] Chlorine is an elemental form of chlorine, with the chemical formula Cl2. Chlorine is one of the main products of the chlor-alkali industry. It can undergo substitution and addition reactions with organic and inorganic substances to produce various chlorides and can also be used as a strong oxidizing agent. The caustic soda process generally adopts the ion-exchange membrane electrolysis method. Electrolysis is a chemical reaction process carried out by means of direct current. When direct current passes through the brine solution in the electrolytic cell, chlorine is generated at the anode. The by-product chlorine needs to be dried before recovery. Chlorine drying towers are commonly used to dry the chlorine.

[0003] However, Chinese patent CN112279218A discloses an adjustable chlorine drying tower with a bubble cap layer, which uses adjusting blocks and plug-in components to adjust the height of the bubble cap plate. However, it is difficult to adjust the liquid level on the drying tower tray and the internal pressure requirement of the chlorine drying tower. This results in excessive chlorine pressure, which can lead to a short contact time between chlorine and concentrated sulfuric acid. Conversely, if the chlorine pressure is too low, it is difficult for the chlorine to push open the drying tower tray and contact the concentrated sulfuric acid. At the same time, since concentrated sulfuric acid releases heat after absorbing water, the dried chlorine will still carry some water vapor, resulting in incomplete chlorine drying. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing an adjustable chlorine drying tower with a bubble cap layer and its usage method. The specific technical solution is as follows:

[0005] An adjustable chlorine drying tower with a bubble cap layer includes a drying tank and drying trays arranged in layers inside the drying tank. The lower end of the drying tank is equipped with a drain pipe and an air injection pipe, and the upper end of the drying tank is equipped with an injection pipe and an exhaust pipe. The drying trays are equipped with a liquid level adjustment mechanism for raising and lowering the liquid level riser pipe. Both ends of the drying tank are equipped with condensation and dehumidification mechanisms. The upper end of the drying tank is also equipped with a circulation mechanism to extend the contact time between the air and the condensation and dehumidification mechanisms. A pressure gauge is installed on the drying tank for pressure monitoring.

[0006] Preferably, the drying tray includes a tray plate fixed inside the drying tank for separation, and a gas distribution pipe fixed on the tray plate. The gas distribution pipe is fitted with a gas distribution cap. A limit rod is fixed on the outer surface of the gas distribution pipe, and the limit rod passes through a hole opened on the edge of the gas distribution cap. A return spring for resetting the gas distribution cap is fitted on the limit rod. A sealing element is provided between the gas distribution pipe and the gas distribution cap. A flow guide hole is opened on the side surface of the gas distribution cap.

[0007] Preferably, the sealing element includes a sealing fluororubber ring installed inside the upper end of the gas distribution cap, and a limiting protrusion ring integrally formed with the sealing fluororubber ring, wherein the limiting protrusion ring is installed in a limiting groove opened at the upper end of the gas distribution cap.

[0008] Preferably, the liquid level regulating mechanism includes an installation hole on the edge of the tray for installing a liquid level riser pipe, a lifting electric rod installed on the lower surface of the tray, the telescopic end of the lifting electric rod being fixed to the lower end of the liquid level riser pipe via a linkage rod, a limiting fluororubber ring installed in the installation hole, a positioning convex ring integrally formed on the outer ring of the limiting fluororubber ring, the positioning convex ring being installed in a positioning groove in the installation hole, and a one-way check valve installed at the bottom of the liquid level riser pipe.

[0009] Preferably, the condensation dehumidification mechanism includes a first condensing element installed at the upper end of the drying tank and a second condensing element installed at the lower end of the drying tank. The first condensing element includes a first condensing tube and a first condensing plate disposed outside the first condensing tube. The second condensing element includes a second condensing tube and a second condensing plate disposed outside the second condensing tube. A first liquid distribution plate and a first liquid collection plate are installed on the outer surface of the upper end of the drying tank, and a second liquid distribution plate and a second liquid collection plate are installed on the outer surface of the lower end of the drying tank. The two ends of the first condensing tube are respectively connected to the first liquid distribution plate and the first liquid collection plate, and the two ends of the second condensing tube are respectively connected to the second liquid distribution plate and the second liquid collection plate. A condensate inlet pipe is installed on the outer surface of the first liquid distribution plate, and a circulation pipe for communication is installed between the first liquid collection plate and the second liquid distribution plate. A condensate recovery pipe is installed on the surface of the second liquid collection plate.

[0010] Preferably, the drying tank is symmetrically provided with a first distribution plate and a second distribution plate, with the first distribution plate located below the drying tower tray and the second distribution plate located above the drying tower tray. The circulation mechanism includes a first air guiding device installed on the upper surface of the second distribution plate to blow air upwards, a guide pipe fixed on the lower surface of the second distribution plate, and a second air guiding device installed on the lower surface of the second distribution plate to blow air downwards.

[0011] Preferably, the first flow guiding device and the second flow guiding device have the same structure. The first flow guiding device includes a duct and a flow guiding fan installed inside the duct. Both ends of the duct are fixed with protective nets for protection.

[0012] A method of using a bubble-layer adjustable chlorine drying tower, the method comprising the following steps:

[0013] Step 1: Aeration and fluid circulation adjustment;

[0014] Step 2, parameter setting: the gas pressure injected into the drying tank through the gas injection pipe is 130 kPa, and the liquid flow rate injected through the liquid injection pipe is 15 m³ / s.

[0015] Step 3, bubble drying: Chlorine gas located at the bottom of the drying tank passes through several layers of drying trays for drying. When chlorine gas passes through the drying trays, the pressure below the drying trays is greater than the pressure above them, causing the chlorine gas to move upward with the gas distribution cap. After moving upward, the gas distribution cap separates from the gas distribution pipe, and the chlorine gas is discharged into concentrated sulfuric acid through the guide hole opened on the outside of the gas distribution cap for drying.

[0016] Step four, condensation and drying: the cold coal liquid is injected into the first distribution plate through the condenser inlet pipe, and the first distribution plate cools the first condenser plate through the first condenser pipe. The refrigerant continues to enter the second distribution plate through the first collection plate and circulation pipe, and the refrigerant inside the second distribution plate cools the second condenser plate through the second condenser pipe. This allows the chlorine gas injected into the drying tank to be cooled twice, at the bottom and top of the drying tank, which facilitates the liquefaction of water vapor upon contact with the cold, thereby reducing the water vapor content in the chlorine gas.

[0017] Preferably, the ventilation and fluid circulation adjustment in step one includes the following steps:

[0018] S1, concentrated sulfuric acid injection: 90% concentrated sulfuric acid is injected into the interior of the drying tank through the injection pipe. The injected concentrated sulfuric acid is separated by several layers of drying trays and then collects at the bottom of the drying tank. The concentrated sulfuric acid collected at the bottom of the drying tank is discharged through the drain pipe.

[0019] S2, Chlorine gas injection: Chlorine gas is injected into the drying tank through the injection pipe. The injected chlorine gas is dried by concentrated sulfuric acid. The chlorine gas is distributed through several drying trays. After being dried by concentrated sulfuric acid, the chlorine gas is dried by a condensation and dehumidification mechanism. The dried gas is discharged through the exhaust pipe.

[0020] S3, pressure value monitoring, while the pressure gauge monitors the pressure value inside the drying tank.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. A liquid level adjustment mechanism is installed on the drying tray for raising and lowering the liquid level riser pipe. This allows for adjustment of the pressure value above the drying tray by adjusting the liquid level, which in turn facilitates the adjustment of the pressure inside the drying tank during chlorine drying. The condensation and dehumidification mechanisms installed at both ends of the drying tank cause water vapor in the chlorine to liquefy upon contact with the condensation and dehumidification mechanisms, thus achieving double drying of the chlorine. The circulation mechanism installed at the top of the drying tank allows the chlorine to circulate at the top of the drying tank, thereby prolonging the contact time between the chlorine and the condensation and dehumidification mechanisms and improving the chlorine drying effect.

[0023] 2. The limiting rod and return spring are designed to limit the displacement of the gas distributor cap, and the return spring is used to reset the gas distributor cap after displacement, thereby increasing the stability of the gas distributor cap moving outside the gas distributor pipe. The sealing component installed between the gas distributor pipe and the gas distributor cap consists of a sealing fluororubber ring, a limiting protrusion ring, and a limiting groove. The liquid-formed limiting protrusion ring of the sealing fluororubber ring is installed in the limiting groove opened at the upper end of the gas distributor cap, so that the gas distributor pipe and the gas distributor cap are sealed by the sealing fluororubber ring when they are close together.

[0024] 3. The liquid level adjustment mechanism consists of a liquid level riser pipe, a mounting hole, a lifting electric rod, a linkage rod, a limiting fluororubber ring, a positioning convex ring, and a positioning groove. The telescopic end of the lifting electric rod is fixed to the liquid level riser pipe through the linkage rod, which facilitates the movement of the liquid level riser pipe within the mounting hole, thereby achieving the purpose of adjusting the liquid level above the drying tray. The limiting fluororubber ring installed in the mounting hole is positioned by the positioning convex ring and the positioning groove, which facilitates the sealing of the liquid level riser pipe within the mounting hole. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the half-section structure of the present invention;

[0027] Figure 3 This is a schematic diagram of a half-section of the drying tray in this invention;

[0028] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0029] Figure 5 This is a schematic diagram of the tower tray and liquid level riser structure in this invention;

[0030] Figure 6 This is a schematic diagram of the first guide fan structure in this invention.

[0031] Reference numerals: 1. Drying tank; 2. Drying tray; 21. Tray plate; 22. Gas distribution pipe; 23. Gas distribution cap; 24. Limiting rod; 25. Return spring; 26. Sealing fluororubber ring; 27. Limiting protrusion ring; 28. Limiting groove; 29. ​​Flow guide hole; 33. Liquid level riser pipe; 34. Mounting hole; 35. Lifting electric rod; 36. Linkage rod; 37. Limiting fluororubber ring; 38. Positioning protrusion ring; 39. Positioning groove; 3. First condenser; 31. First condenser pipe; 32. First condenser plate; 4. Second condenser; 41. Second condenser tube; 42. Second condenser plate; 5. First distributor plate; 6. First collection plate; 7. Second distributor plate; 8. Second collection plate; 9. Condensate inlet pipe; 10. Circulation pipe; 11. Condensate recovery pipe; 12. Drain pipe; 13. Gas injection pipe; 14. Liquid injection pipe; 15. Exhaust pipe; 16. First distribution plate; 17. Second distribution plate; 18. First flow guiding device; 181. Air duct; 182. Flow guiding fan; 183. Protective net; 19. Flow guiding pipe; 20. Second flow guiding device; 30. Pressure gauge. Detailed Implementation

[0032] The technical solutions in the embodiments of the present invention are described below.

[0033] Please see Figure 1-6 The present invention provides a technical solution: an adjustable chlorine drying tower with a bubble cap layer, comprising a drying tank 1 and a drying tray 2 arranged in layers inside the drying tank 1. The lower end of the drying tank 1 is equipped with a drain pipe 12 and an air injection pipe 13, and the upper end of the drying tank 1 is equipped with an injection pipe 14 and an exhaust pipe 15. The drying tray 2 is provided with a liquid level adjustment mechanism for raising and lowering the liquid level riser pipe 33. Both ends of the drying tank 1 are equipped with condensation and dehumidification mechanisms. The upper end of the drying tank 1 is also equipped with a circulation mechanism to extend the contact time between the air and the condensation and dehumidification mechanism. The drying tank 1 is equipped with a pressure gauge 30 for pressure monitoring.

[0034] In this embodiment, a liquid level adjustment mechanism for raising and lowering the liquid level riser pipe 33 is provided on the drying tray 2, which facilitates the adjustment of the pressure value above the drying tray 2 by adjusting the liquid above the drying tray 2. This facilitates the adjustment of the pressure required inside the drying tank 1 during chlorine drying. The condensation and dehumidification mechanisms installed at both ends of the drying tank 1 cause the water vapor in the chlorine to liquefy upon contact with the condensation and dehumidification mechanisms, thus enabling the chlorine to undergo double drying. The circulation mechanism installed at the top of the drying tank 1 allows the chlorine to circulate at the top of the drying tank 1, thereby prolonging the contact time between the chlorine and the condensation and dehumidification mechanisms and improving the chlorine drying effect.

[0035] Specifically, the drying tray 2 includes a tray plate 21 fixed inside the drying tank 1 for separation, and a gas distribution pipe 22 fixed on the tray plate 21. The gas distribution pipe 22 is fitted with a gas distribution cap 23. A limiting rod 24 is fixed on the outer surface of the gas distribution pipe 22 and passes through a hole opened on the edge of the gas distribution cap 23. A return spring 25 for resetting the gas distribution cap 23 is fitted on the outer surface of the limiting rod 24. A sealing element is provided between the gas distribution pipe 22 and the gas distribution cap 23. A guide hole 29 is opened on the side surface of the gas distribution cap 23. The sealing element includes a sealing fluororubber ring 26 installed inside the upper end of the gas distribution cap 23 and a limiting protrusion ring 27 integrally formed with the sealing fluororubber ring 26. The limiting protrusion ring 27 is installed in a limiting groove 28 opened at the upper end of the gas distribution cap 23.

[0036] In this embodiment, the limiting rod 24 and the return spring 25 are provided so that the limiting rod 24 is used to limit the displacement of the gas distribution cap 23, and the return spring 25 is used to reset the gas distribution cap 23 after displacement, thereby increasing the stability of the gas distribution cap 23 moving outside the gas distribution pipe 22. The sealing element installed between the gas distribution pipe 22 and the gas distribution cap 23 consists of a sealing fluororubber ring 26, a limiting protrusion ring 27 and a limiting groove 28. The limiting protrusion ring 27, which is liquid-formed from the sealing fluororubber ring 26, is installed in the limiting groove 28 opened at the upper end of the gas distribution cap 23, so that the gas distribution pipe 22 and the gas distribution cap 23 are sealed by the sealing fluororubber ring 26 when they are close together.

[0037] Specifically, the liquid level regulating mechanism includes mounting holes 34 on the edge of the tray plate 21 for installing the liquid level riser pipe 33. A lifting electric rod 35 is also installed on the lower surface of the tray plate 21. The telescopic end of the lifting electric rod 35 is fixed to the lower end of the liquid level riser pipe 33 through a linkage rod 36. A limiting fluororubber ring 37 is installed in the mounting hole 34. The outer ring of the limiting fluororubber ring 37 is integrally formed with a positioning protrusion ring 38. The positioning protrusion ring 38 is installed in the positioning groove 39 opened in the mounting hole 34. A one-way check valve is installed at the bottom of the liquid level riser pipe 33.

[0038] In this embodiment, a liquid level adjustment mechanism is used, consisting of a liquid level riser pipe 33, a mounting hole 34, a lifting electric rod 35, a linkage rod 36, a limiting fluororubber ring 37, a positioning convex ring 38, and a positioning groove 39. The telescopic end of the lifting electric rod 35 is fixed to the liquid level riser pipe 33 through the linkage rod 36, which facilitates the movement of the liquid level riser pipe 33 within the mounting hole 34, thereby achieving the purpose of adjusting the liquid level above the drying tray 2. The limiting fluororubber ring 37 installed in the mounting hole 34 is positioned by the positioning convex ring 38 and the positioning groove 39, which facilitates the sealing of the liquid level riser pipe 33 within the mounting hole 34 by the limiting fluororubber ring 37.

[0039] Specifically, the condensation dehumidification mechanism includes a first condenser 3 installed at the upper end of the drying tank 1, and a second condenser 4 installed at the lower end of the drying tank 1. The first condenser 3 includes a first condenser tube 31 and a first condenser plate 32 disposed outside the first condenser tube 31. The second condenser 4 includes a second condenser tube 41 and a second condenser plate 42 disposed outside the second condenser tube 41. A first liquid distribution plate 5 and a first liquid collection plate 6 are installed on the outer surface of the upper end of the drying tank 1, and a second liquid distribution plate 7 and a second liquid collection plate 8 are installed on the outer surface of the lower end of the drying tank 1. The first condenser tube 31... The two ends of the first liquid distribution plate 5 and the first liquid collection plate 6 are respectively connected. The two ends of the second condenser 41 are respectively connected to the second liquid distribution plate 7 and the second liquid collection plate 8. A condenser inlet pipe 9 is installed on the outer surface of the first liquid distribution plate 5. A circulation pipe 10 for communication is installed between the first liquid collection plate 6 and the second liquid distribution plate 7. A condenser recovery pipe 11 is installed on the surface of the second liquid collection plate 8. The first distribution plate 16 and the second distribution plate 17 are symmetrically arranged inside the drying tank 1. The first distribution plate 16 is located below the drying tower plate 2, and the second distribution plate 17 is located above the drying tower plate 2.

[0040] In this embodiment, a condensation dehumidification mechanism is constructed, consisting of a first condensing element 3, a second condensing element 4, a first liquid distribution plate 5, a first liquid collection plate 6, a second liquid distribution plate 7, a second liquid collection plate 8, a condensation inlet pipe 9, a circulation pipe 10, and a condensation recovery pipe 11. The first condensing pipe 31 and the first condensing plate 32 constitute the first condensing element 3, and the second condensing pipe 41 and the second condensing plate 42 constitute the second condensing element 4. This facilitates the cooperation of the first condensing plate 32 and the first condensing pipe 31 to increase the contact area between the upper part of the drying tank 1 and the chlorine gas, and the cooperation of the second condensing pipe 41 and the second condensing plate 42 to increase the contact area between the lower part of the drying tank 1 and the chlorine gas. This facilitates the cooling of the chlorine gas so that the water vapor can be liquefied upon contact with the cold air. The first liquid collection plate 6 and the second liquid distribution plate 7 are connected by the circulation pipe 10, which facilitates the transfer of refrigerant from top to bottom.

[0041] Specifically, the circulation mechanism includes a first air guide device 18 installed on the upper surface of the second distribution plate 17 to blow air upwards, a guide pipe 19 fixed on the lower surface of the second distribution plate 17, and a second air guide device 20 installed on the lower surface of the second distribution plate 17 to blow air downwards. The first air guide device 18 and the second air guide device 20 have the same structure. The first air guide device 18 includes an air duct 181 and a guide fan 182 installed inside the air duct 181. Both ends of the air duct 181 are fixed with protective nets 183 for protection.

[0042] A method for using a bubble-layer adjustable chlorine drying tower, the method comprising the following steps:

[0043] Step 1: Aeration and fluid circulation adjustment;

[0044] Step 2, parameter setting: the gas pressure injected into the drying tank 1 by the gas injection pipe 13 is 130 kPa, and the liquid flow rate injected by the liquid injection pipe 14 is 15 m³ / s.

[0045] Step 3, bubble drying: Chlorine gas located at the bottom of drying tank 1 passes through several layers of drying trays 2 for drying. When chlorine gas passes through drying tray 2, the pressure below the drying tray 2 is greater than the pressure above it, causing the chlorine gas to move upward with the gas distribution cap 23. After moving upward, the gas distribution cap 23 separates from the gas distribution pipe 22, and the chlorine gas is discharged into concentrated sulfuric acid through the guide hole 29 opened on the outside of the gas distribution cap 23 for drying.

[0046] Step four, condensation and drying: the cold coal liquid is injected into the first distribution plate 5 through the condenser inlet pipe 9, and the first distribution plate 5 cools the first condenser plate 32 through the first condenser pipe 31. The refrigerant continues to enter the second distribution plate 7 through the first collection plate 6 and the circulation pipe 10. The refrigerant inside the second distribution plate 7 cools the second condenser plate 42 through the second condenser pipe 41, so that the chlorine gas injected into the drying tank 1 is cooled twice at the bottom and top of the drying tank 1, which facilitates the liquefaction of water vapor upon contact with the cold, thereby reducing the water vapor in the chlorine gas.

[0047] Specifically, step one, the ventilation and fluid circulation adjustment, includes the following steps:

[0048] S1, concentrated sulfuric acid injection: 90% concentrated sulfuric acid is injected into the interior of the drying tank 1 through the injection pipe 14. The injected concentrated sulfuric acid is separated by several layers of drying trays 2 and then collects at the bottom of the drying tank 1. The concentrated sulfuric acid collected at the bottom of the drying tank 1 is discharged through the drain pipe 12.

[0049] S2, Chlorine gas injection: Chlorine gas is injected into the drying tank 1 through the gas injection pipe 13. The injected chlorine gas is dried by concentrated sulfuric acid. The chlorine gas is distributed through several drying trays 2. After being dried by concentrated sulfuric acid, the chlorine gas is dried by a condensation and dehumidification mechanism. The dried gas is discharged through the exhaust pipe 15.

[0050] S3, pressure value monitoring, while pressure gauge 30 monitors the pressure value inside drying tank 1.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bubble cap layer-adjustable chlorine drying tower, comprising a drying tank (1) and drying trays (2) arranged in layers in the drying tank (1), a liquid discharge pipe (12) and a gas injection pipe (13) are installed at the lower end of the drying tank (1), a liquid injection pipe (14) and a gas discharge pipe (15) are installed at the upper end of the drying tank (1), characterized in that: The drying tray (2) is provided with a liquid level adjusting mechanism for lifting and lowering of the liquid level lifting pipe (33), both ends of the drying tank (1) are provided with a condensation and dehumidification mechanism, the upper end of the drying tank (1) is further provided with a circulating mechanism for prolonging the contact time of air and the condensation and dehumidification mechanism, and a pressure gauge (30) is installed on the drying tank (1) for pressure monitoring; The drying tray (2) comprises a tray plate (21) fixed in the drying tank (1) for separation, and a gas distribution pipe (22) fixed on the tray plate (21), the gas distribution pipe (22) is sleeved with a gas distribution cap (23), a limiting rod (24) is fixed on the outer surface of the gas distribution pipe (22), the limiting rod (24) penetrates through a hole formed in the edge of the gas distribution cap (23), a reset spring (25) for resetting the gas distribution cap (23) is sleeved on the limiting rod (24), a sealing element is arranged between the gas distribution pipe (22) and the gas distribution cap (23), and a flow guide hole (29) is formed in the side surface of the gas distribution cap (23). The first distribution disc (16) is located below the drying tray (2), the second distribution disc (17) is located above the drying tray (2), the circulating mechanism comprises a first flow guide device (18) installed on the upper surface of the second distribution disc (17) and blowing air upward, a flow guide pipe (19) is fixed to the lower surface of the second distribution disc (17), and a second flow guide device (20) is installed on the lower surface of the second distribution disc (17) and blowing air downward.

2. A bubble cap adjustable chlorine drying tower according to claim 1, characterized in that: The sealing element comprises a sealing fluorine rubber ring (26) installed in the upper end of the gas distribution cap (23), and a limiting convex ring (27) integrally formed with the sealing fluorine rubber ring (26) and installed in a limiting groove (28) formed in the upper end of the gas distribution cap (23).

3. A bubble-cap adjustable chlorine drying tower according to claim 2, characterized in that: The liquid level adjusting mechanism comprises a mounting hole (34) formed in the edge of the tray plate (21) and used for mounting the liquid level lifting pipe (33), a lifting electric rod (35) is further installed on the lower surface of the tray plate (21), the telescopic end of the lifting electric rod (35) is fixed to the lower end of the liquid level lifting pipe (33) through a linkage rod (36), a limiting fluorine rubber ring (37) is installed in the mounting hole (34), a positioning convex ring (38) is integrally formed on the outer ring of the limiting fluorine rubber ring (37) and installed in a positioning groove (39) formed in the mounting hole (34), and a one-way check valve is installed at the bottom of the liquid level lifting pipe (33).

4. The bubble-cap adjustable chlorine drying tower according to claim 1, characterized in that: The condensation dehumidification mechanism comprises a first condensing part (3) installed on the upper end of the drying tank (1), and a second condensing part (4) installed on the lower end of the drying tank (1), the first condensing part (3) comprises a first condensing pipe (31) and a first condensing plate (32) arranged outside the first condensing pipe (31), the second condensing part (4) comprises a second condensing pipe (41) and a second condensing plate (42) arranged outside the second condensing pipe (41), a first liquid distribution disc (5) and a first liquid collecting disc (6) are installed on the outer surface of the upper end of the drying tank (1), a second liquid distribution disc (7) and a second liquid collecting disc (8) are installed on the outer surface of the lower end of the drying tank (1), the two ends of the first condensing pipe (31) are communicated with the first liquid distribution disc (5) and the first liquid collecting disc (6) respectively, the two ends of the second condensing pipe (41) are communicated with the second liquid distribution disc (7) and the second liquid collecting disc (8) respectively, the outer surface of the first liquid distribution disc (5) is provided with a condensing liquid inlet pipe (9), a circulating pipe (10) for communication is arranged between the first liquid collecting disc (6) and the second liquid distribution disc (7), and the surface of the second liquid collecting disc (8) is provided with a condensing recovery pipe (11).

5. A bubble cap adjustable chlorine drying tower as claimed in claim 1, wherein: The first flow guide device (18) and the second flow guide device (20) are the same in structure, the first flow guide device (18) comprises a wind pipe (181) and a flow guide fan (182) installed in the wind pipe (181), and the two ends of the wind pipe (181) are fixedly provided with protective nets (183) for protection.

6. A method for using a bubble-cap layer-adjustable chlorine drying tower, the method comprising using the chlorine drying tower according to any one of claims 1-5, wherein: The use method comprises the following steps: Step one, air and liquid adjustment; Step two, parameter setting, the gas pressure injected into the drying tank (1) by the gas injection pipe (13) is 130kpa, and the flow of the liquid injected by the liquid injection pipe (14) is 15m³ / s; Step three, bubble cap drying, the chlorine gas at the bottom of the drying tank (1) is sequentially dried by the plurality of drying trays (2), when the chlorine gas passes through the drying trays (2), the pressure below the drying trays (2) is greater than that above the drying trays (2), so that the chlorine gas moves upwards with the gas distribution cap (23), the gas distribution cap (23) after moving upwards is separated from the gas distribution pipe (22), and the chlorine gas is discharged into the concentrated sulfuric acid through the flow guide holes (29) formed on the outer side of the gas distribution cap (23) for drying; Step four, condensation drying, the cold liquid is injected into the first liquid distribution disc (5) through the condensing liquid inlet pipe (9), the first liquid distribution disc (5) cools the first condensing plate (32) through the first condensing pipe (31), the coolant continues to enter the second liquid distribution disc (7) through the first liquid collecting disc (6) and the circulating pipe (10), and the coolant in the second liquid distribution disc (7) cools the second condensing plate (42) through the second condensing pipe (41), so that the chlorine gas injected into the drying tank (1) is cooled twice at the bottom and the top of the drying tank (1), the water vapor is easily liquefied after being cooled, and thus the water vapor in the chlorine gas is reduced.

7. A method of using a bubble-cap adjustable chlorine drying tower according to claim 6, characterized in that: The air and liquid adjustment in step one comprises the following steps: S1, concentrated sulfuric acid injection, using 90% concentrated sulfuric acid through the injection pipe (14) into the inside of the drying tank (1), the injected concentrated sulfuric acid is separated by several layers of drying tray (2) and gathered at the bottom of the drying tank (1), the concentrated sulfuric acid gathered at the bottom of the drying tank (1) is discharged by the drain pipe (12); S2, chlorine injection, chlorine is injected into the drying tank (1) through the gas injection pipe (13), the injected chlorine is dried by concentrated sulfuric acid, and the chlorine is distributed by several layers of drying tray (2), and the chlorine dried by concentrated sulfuric acid is dried by the condensation and dehumidification mechanism, and the dried gas is discharged through the exhaust pipe (15); S3, pressure value monitoring, and the pressure gauge (30) monitors the pressure value in the drying tank (1).

Images