Stable double-layer leaked chlorine absorption device

Abstract

The utility model discloses a stable double-layer leaked chlorine absorption device, which relates to the field of harmful gas treatment, and comprises a treatment mechanism, the treatment mechanism comprises a conveying part, a reaction assembly and a recovery part, the reaction assembly comprises a primary dilution part for primarily diluting chlorine gas and a secondary dilution part for secondarily diluting chlorine gas, through the cooperative use of the primary dilution part and the secondary dilution part, the concentration of chlorine in the chlorine storage is rapidly reduced to 5 mg / m < 3 > or below, and the treatment efficiency is high; a reaction solution used by the treatment mechanism is a FeCl2 solution, so that the cost is low, and deterioration is not easily caused; a perforated partition plate, a plurality of spray headers and a filler box are arranged in the secondary dilution part, industrial scrap iron is placed in the perforated partition plate, the industrial scrap iron and FeCl3 are subjected to a reduction reaction, a reaction solution is supplemented into an absorption solution tank, FeCl3 can be recycled as an industrial raw material, and the cost is saved; pall ring packing is placed in the packing box, chlorine in the air is fully absorbed, the treatment time is shortened, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of harmful gas treatment, in particular to a stable double-layer chlorine leakage absorption device. Background Art

[0002] Chlorine is a highly toxic gas. Once inhaled by the human body, it will react chemically with the moisture in the respiratory mucosa to produce hypochlorous acid and hydrochloric acid, causing damage to the upper respiratory mucosa. In addition, chlorine is highly corrosive and can react violently with many metals. Therefore, chlorine leakage accidents often occur, causing serious damage to the environment and soil. This damage not only affects the ecosystem, but also poses a threat to national property and public life safety. Therefore, it is crucial to prevent and control chlorine leakage. Taking effective safety measures and emergency response measures, strengthening the supervision of chlorine storage, transportation and use, and promoting the research and development and application of alternatives are all important measures to reduce the risk of chlorine leakage and protect the environment and human health.

[0003] A Chinese patent with announcement number CN204233961U discloses a chlorine leakage absorption device, including a chlorine reservoir and a chlorine reservoir with a chlorine bottle arranged inside. On one side of the chlorine reservoir, a blower is provided, whose air inlet is connected to the chlorine reservoir, and the air outlet is connected to a solution tank. A reaction tower is arranged above the solution tank, and a corrosion-resistant pump is installed at the bottom. The water outlet of the pump is arranged in the reaction tower. The top of the reaction tower is connected to an exhaust gas recovery pipe, which is connected to the chlorine reservoir.

[0004] Although the above scheme can handle chlorine leakage accidents, the scheme uses an alkaline solution, and the product after the reaction of the alkaline solution and chlorine is easy to clog the device, and the scheme requires multiple additions of the reaction solution, which wastes time, and the scheme affects the safety and stability of the equipment operation. Therefore, the utility model proposes a stable double-layer chlorine leakage absorption device. Utility Model Content

[0005] In view of the above technical problems, the utility model discloses a stable double-layer chlorine leakage absorption device, including a processing mechanism, wherein the processing mechanism includes a conveying part, a reaction component, and a recovery part, and the reaction component includes a primary dilution part for initially diluting the chlorine concentration and a secondary dilution part for secondary dilution of the chlorine concentration. Through the above scheme, the primary dilution part performs an initial dilution on the chlorine, and then the concentration of the chlorine is further reduced through the secondary dilution part, and the product of the chemical reaction in the secondary dilution part is reduced through the reaction component to generate a solution for use in the primary dilution part.

[0006] Furthermore, the secondary dilution section includes an absorption tower, wherein a plurality of stuffing boxes for increasing the contact area are arranged in the middle section of the absorption tower, ball ring stuffing is arranged inside the stuffing box, a plurality of air holes for chlorine to pass through are arranged outside the stuffing box, a preset distance is set between the plurality of stuffing boxes, a spray head is arranged above each stuffing box, and an open partition for reduction reaction is arranged below the stuffing box near the bottom end of the absorption tower. Through the above scheme, the chlorine is fully contacted with the FeCl2 solution sprayed from the spray head through the stuffing box.

[0007] Furthermore, the primary dilution section includes an absorption solution pool, in which a FeCl2 solution with a concentration of 20% is contained for primary dilution, the chemical reaction equation occurring in the absorption solution pool is 2FeCl2+Cl2→2FeCl3, an ultrasonic level meter is fixedly installed on the side wall of the absorption solution pool at one end away from the ground, the ultrasonic level meter is used to control the maximum liquid level and the minimum liquid level of the solution in the absorption solution pool, the absorption solution pool is connected to the bottom end of the absorption tower at one end away from the ground, the absorption solution pool has a water outlet pipe on the left and right sides respectively, the right water outlet pipe is connected to the water inlet end of the corrosion-resistant solution pump, the water outlet end of the corrosion-resistant solution pump is fixedly connected to one end of the corrosion-resistant solution pipe, the corrosion-resistant solution pipe is connected to the spray head for secondary dilution, and through the above scheme, the chlorine is extracted from the chlorine reservoir and then enters the FeCl2 solution in the absorption solution pool for primary dilution.

[0008] Furthermore, the conveying part includes an air pump, a water outlet of the air pump is detachably connected to one end of an air inlet pipe, the other end of the air inlet pipe extends to below the lowest liquid level in the absorption solution pool, a ball valve is detachably installed on the water inlet of the air pump, and one end of a connecting pipe 2 is installed on the ball valve. Through the above scheme, the chlorine in the chlorine tank is extracted by the air pump and conveyed to the absorption solution pool.

[0009] Furthermore, the recovery part includes a recovery liquid pool, which is placed on the ground. An electric valve is fixedly installed on one side of the recovery liquid pool. The electric valve is connected to the absorption solution pool by a pipeline. Through the above scheme, after the liquid level in the absorption solution pool exceeds the maximum liquid level, the solution in the absorption solution pool flows into the recovery liquid pool through the electric valve; after the liquid level in the absorption solution pool is lower than the minimum liquid level, the solution in the recovery liquid pool is transported to the absorption solution pool through the electric valve.

[0010] Furthermore, a layer of cotton and linen cloth is arranged inside the perforated partition, and industrial waste iron filings are placed on the cotton and linen cloth, and the reduction reaction equation occurring inside the perforated partition is: 2FeCl3+Fe→3FeCl2. Through the above scheme, the cotton and linen cloth prevents industrial waste iron filings from being washed into the absorption solution pool.

[0011] Furthermore, the spray head includes a connecting pipe 1, one end of which is connected to the corrosion-resistant solution pipe, and a spray device is fixedly installed on the other end of the connecting pipe 1. Through the above scheme, the FeCl2 solution flows into the connecting pipe 1 through the corrosion-resistant solution pipe, and is sprayed through the spray device, so that the FeCl2 solution fully reacts with the chlorine in contact with the ball ring packing in the packing box, so that the chlorine concentration is further reduced.

[0012] Furthermore, the reaction assembly also includes a dehydration device, which is fixedly installed on the top of the absorption tower. One end of the tail gas recovery pipe is fixedly installed on the dehydration device. Through the above scheme, the dehydration device removes moisture from the chlorine after secondary dilution to ensure dryness in the chlorine tank.

[0013] Furthermore, it also includes a storage component, which includes a chlorine warehouse, a chlorine tank is arranged on the ground inside the chlorine warehouse, a chlorine concentration measuring sensor 2 is fixedly installed on the side wall of the chlorine warehouse away from the chlorine tank, an alarm is arranged above the chlorine concentration measuring sensor 2, a chlorine concentration measuring sensor 1 is fixedly installed on the side wall of the chlorine warehouse close to the chlorine tank, the chlorine concentration measuring sensor 1 is arranged between the chlorine concentration measuring sensor 2 and the alarm, a control box is fixedly installed on the outer wall of the chlorine warehouse, and the other end of the connecting pipe 2 is connected to the chlorine warehouse. Through the above scheme, when chlorine leaks and the chlorine concentration measuring sensor 1 detects that the chlorine concentration in the chlorine warehouse exceeds the standard, the alarm will sound an alarm and start the processing mechanism; when the chlorine concentration in the chlorine warehouse is detected by the chlorine concentration measuring sensor 2 to be reduced to below the standard value, the processing mechanism stops.

[0014] Compared with the prior art, the utility model has the following beneficial effects: (1) the utility model is provided with a treatment mechanism, which includes a primary dilution section and a secondary dilution section. Through the coordinated use of the primary dilution section and the secondary dilution section, the chlorine concentration in the chlorine reservoir 19 is rapidly reduced to below 5 mg / m3, and the treatment efficiency is high; (2) the reaction solution used by the treatment mechanism of the utility model is a FeCl2 solution, which has low cost, is easy to prepare, has low corrosiveness, and is not easy to deteriorate; (3) a perforated partition plate 8 is provided in the secondary dilution section of the utility model, and industrial waste iron filings are placed in the perforated partition plate 8. The industrial waste iron filings are reduced by a reduction reaction with FeCl3 to generate the required FeCl2 solution, which is used to supplement the reaction solution in the absorption solution pool 2. The FeCl3 can also be recovered as an industrial raw material, saving costs; (4) the utility model is provided with a secondary dilution section, and a plurality of spray heads and a stuffing box 7 are provided in the secondary dilution section. Ball ring stuffing is placed in the stuffing box 7, so that the chlorine in the air can be fully absorbed, the treatment time can be accelerated, and the efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the partial structure of the utility model Figure 1 .

[0017] Figure 3 It is a schematic diagram of the partial structure of the utility model Figure 2 .

[0018] Figure numbers: 1-absorption tower; 2-absorption solution pool; 3-recovery liquid pool; 4-air pump; 5-corrosion-resistant solution pump; 6-spraying device; 7-stuffing box; 8-perforated partition; 9-water removal device; 10-intake pipe; 11-corrosion-resistant solution pipe; 12-tail gas recovery pipe; 13-chlorine concentration measurement sensor one; 14-control box; 15-alarm; 16-ultrasonic level meter; 17-electric valve; 18-filling port; 19-chlorine storage; 20-chlorine tank; 21-connecting pipe one; 22-chlorine concentration measurement sensor two; 23-ball valve; 24-connecting pipe two. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more. In the description of the present invention, 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 by specific circumstances.

[0021] Example: Figure 1-Figure 3 As shown, a stable double-layer chlorine leakage absorption device includes a processing mechanism, which includes a conveying part, a reaction component, and a recovery part. The reaction component includes a primary dilution part for initial dilution of chlorine concentration and a secondary dilution part for secondary dilution of chlorine concentration.

[0022] The secondary dilution section includes an absorption tower 1, wherein a plurality of stuffing boxes 7 for increasing the contact area are arranged at the middle section of the absorption tower 1, a ball ring stuffing is arranged inside the stuffing box 7, a plurality of air holes for chlorine to pass through are arranged outside the stuffing box 7, a preset distance is set between the plurality of stuffing boxes 7, a spray head is arranged above each stuffing box 7, the spray head includes a connecting pipe 21, a spray device 6 is fixedly installed on the other end of the connecting pipe 21, an open partition 8 for reduction reaction is arranged below the stuffing box 7 near the bottom end of the absorption tower 1, a stuffing port 18 is arranged on the open partition 8 and each stuffing box 7, industrial waste iron filings in the open partition 8 are supplemented through the stuffing port 18 on the open partition 8, and the ball ring stuffing in the stuffing box 7 is replaced through the stuffing port 18 on the stuffing box 7, a layer of cotton and linen cloth is arranged inside the open partition 8, industrial waste iron filings are placed on the cotton and linen cloth, and the reduction reaction equation occurring in the open partition 8 is: 2FeCl3+Fe→3FeCl2.

[0023] The primary dilution part includes an absorption solution pool 2, in which a FeCl2 solution with a concentration of 20% for primary dilution is contained. The chemical reaction equation occurring in the absorption solution pool 2 is 2FeCl2+Cl2→2FeCl3. An ultrasonic level meter 16 is fixedly installed on the side wall of the absorption solution pool 2 at one end away from the ground. The ultrasonic level meter 16 is used to control the maximum and minimum liquid levels of the solution in the absorption solution pool 2. The end of the absorption solution pool 2 away from the ground is connected to the bottom end of the absorption tower 1. There is a water outlet pipe on the left and right sides of the absorption solution pool 2 respectively. The right water outlet pipe is connected to the water inlet end of the corrosion-resistant solution pump 5. The water outlet end of the corrosion-resistant solution pump 5 is fixedly connected to one end of the corrosion-resistant solution pipe 11. The corrosion-resistant solution pipe 11 is connected to one end of the connecting pipe 21. The reaction component also includes a dewatering device 9, which is fixedly installed on the top of the absorption tower 1, and one end of the exhaust gas recovery pipe 12 is fixedly installed on the dewatering device 9.

[0024] The conveying part includes an air pump 4, the water outlet of the air pump 4 is detachably connected to one end of the air inlet pipe 10, the other end of the air inlet pipe 10 extends to below the lowest liquid level in the absorption solution pool 2, and a ball valve 23 is detachably installed on the water inlet of the air pump 4, and one end of a connecting pipe 24 is installed on the ball valve 23.

[0025] When chlorine leakage is detected, the ball valve 23 is opened, and the air pump 4 is started. The air containing chlorine in the chlorine reservoir 19 is pumped into the absorption solution pool 2 through the air inlet pipe 10 by the air pump 4. The chlorine-containing air is diluted once by the FeCl2 solution in the absorption solution pool 2 to reduce the chlorine concentration. The chlorine reacts with the FeCl2 solution in the absorption solution pool 2 (absorption solution pool 2 FeCl2+Cl2→absorption solution pool 2 FeCl3). The chlorine-containing air after the first dilution enters the absorption tower 1 through the top of the absorption solution pool 2. The corrosion-resistant solution pump 5 is started. The corrosion-resistant solution pump 5 processes the FeCl2 solution and the FeCl3 solution in the absorption solution pool 2 and flows into the plurality of connecting pipes 21 through the corrosion-resistant solution pipe 11. The chlorine-containing air after the first dilution reacts with the filling box 7. The ball ring packing is fully contacted, and the connecting pipe 21 dilutes the air containing chlorine entering the absorption tower 1 for the second time through the spray device 6. The solution sprayed by the spray device 6 fully contacts and reacts with the chlorine-containing air after the first dilution. At this time, the second dilution is completed, and the reaction solution after the second dilution flows into the perforated partition plate 8. The industrial waste iron filings in the perforated partition plate 8 react with the FeCl3 in the solution after the reaction to undergo a reduction reaction 2FeCl3+Fe→3FeCl2. After the reaction, FeCl2 solution is generated, and then flows into the absorption solution pool 2 through the bottom end of the absorption tower 1 to replenish the solution in the absorption solution pool 2; the air after the second dilution is dried by the dehydration device 9, and the dried air enters the chlorine storage 19 through the tail gas recovery pipe 12 to ensure that the room of the chlorine storage 19 is always in a dry state.

[0026] The recovery part includes a recovery liquid pool 3, which is placed on the ground. An electric valve 17 is fixedly installed on one side of the recovery liquid pool 3. The electric valve 17 is connected to the absorption solution pool 2 through a pipeline, and a water pump is installed on the pipeline.

[0027] When the ultrasonic level meter 16 in the absorption solution pool 2 detects that the solution in the absorption solution pool 2 exceeds the maximum liquid level, the electric valve 17 is started, the water pump is started, and the solution in the absorption solution pool 2 is injected into the recovery liquid pool 3, so that the liquid level in the absorption solution pool 2 is restored to the preset liquid level; when the solution in the absorption solution pool 2 exceeds the minimum liquid level, the electric valve 17 is started, the water pump is started, and the water pump is reversed to pump water, and the solution in the recovery liquid pool 3 is injected into the absorption solution pool 2, so that the liquid level in the absorption solution pool 2 is restored to the preset liquid level.

[0028] A stable double-layer chlorine leakage absorption device also includes a storage component, the storage component includes a chlorine storehouse 19, a chlorine tank 20 is arranged on the ground inside the chlorine storehouse 19, a chlorine concentration measuring sensor 22 is fixedly installed on the side wall of the chlorine storehouse 19 away from the chlorine tank 20, an alarm 15 is arranged above the chlorine concentration measuring sensor 22, a chlorine concentration measuring sensor 13 is fixedly installed on the side wall of the chlorine storehouse 19 close to the chlorine tank 20, the chlorine concentration measuring sensor 13 is arranged between the chlorine concentration measuring sensor 22 and the alarm 15, a control box 14 is fixedly installed on the outer wall of the chlorine storehouse 19, and exhaust ventilation equipment is arranged in the chlorine storehouse 19.

[0029] When the chlorine tank 20 in the chlorine storage 19 leaks indoors and the chlorine content in the air measured by the chlorine concentration measuring sensor 13 is ≥5mg / m3, the alarm 15 starts to respond and transmits the signal to the control box 14. The automatic control system in the control box 14 controls the exhaust ventilation equipment in the chlorine storage to stop running and starts the processing mechanism; when the chlorine concentration measuring sensor 22 detects that the chlorine in the air below the chlorine storage 19 does not exceed the standard, the processing mechanism is closed, the alarm 15 stops alarming, and the automatic control system in the control box 14 controls the exhaust ventilation equipment in the chlorine storage to start.

[0030] Working principle: When the chlorine tank 20 in the chlorine storage 19 leaks indoors and the chlorine content in the air measured by the chlorine concentration measuring sensor 13 is ≥5mg / m3, the alarm 15 starts to respond and transmits the signal to the control box 14. The automatic control system in the control box 14 controls the exhaust ventilation equipment in the chlorine storage to stop running, starts the processing mechanism, opens the ball valve 23 through the automatic control system in the control box 14, starts the air pump 4, and pumps the air containing chlorine in the chlorine storage 19 through the air inlet pipe 10 to the absorption solution pool 2 through the air pump 4. The chlorine-containing air is diluted once by the FeCl2 solution in the absorption solution pool 2 to reduce the chlorine concentration. The chlorine reacts with the FeCl2 solution in the absorption solution pool 2. Reaction 2FeCl2+Cl2→2FeCl3, the chlorine-containing air after the first dilution enters the absorption tower 1 through the top of the absorption solution pool 2, the corrosion-resistant solution pump 5 is started by the automatic control system in the control box 14, the corrosion-resistant solution pump 5 processes the FeCl2 solution and the FeCl3 solution in the absorption solution pool 2 and flows into the plurality of connecting pipes 21 through the corrosion-resistant solution pipe 11, the chlorine-containing air after the first dilution is fully contacted with the ball ring filler in the filler box 7, the connecting pipe 21 performs a second dilution on the chlorine-containing air entering the absorption tower 1 through the spray device 6, the solution sprayed by the spray device 6 is fully contacted with the chlorine-containing air after the first dilution to react, and the second dilution is completed. The reaction solution after secondary dilution flows into the perforated partition plate 8, and the industrial waste iron filings in the perforated partition plate 8 react with the FeCl3 in the solution after the reaction to undergo a reduction reaction 2FeCl3+Fe→3FeCl2, and a FeCl2 solution is generated after the reaction, and then flows into the absorption solution pool 2 through the bottom of the absorption tower 1 to replenish the solution in the absorption solution pool 2. When the ultrasonic level meter 16 in the absorption solution pool 2 detects that the solution in the absorption solution pool 2 exceeds the maximum liquid level, the electric valve 17 is started by the automatic control system in the control box 14, and the water pump is started to inject the solution in the absorption solution pool 2 into the recovery liquid pool 3, so that the liquid level in the absorption solution pool 2 is restored to the preset liquid level; when the solution in the absorption solution pool 2 is detected by the ultrasonic level meter 16 ... in the absorption solution pool 2, the solution in the absorption solution pool 2 exceeds the maximum liquid level. When the liquid exceeds the minimum liquid level, the electric valve 17 is started by the automatic control system in the control box 14, and the water pump is started to reversely pump water, and the solution in the recovery liquid pool 3 is injected into the absorption solution pool 2, so that the liquid level in the absorption solution pool 2 is restored to the preset liquid level; the air after secondary dilution is dried by the water removal device 9, and the dried air enters the chlorine storage 19 through the tail gas recovery pipe 12. At this time, a processing cycle is completed, and the chlorine in the chlorine storage 19 room continues to be processed. When the chlorine concentration measurement sensor 22 detects that the chlorine in the air below the chlorine storage 19 does not exceed the standard, the processing mechanism is closed, the alarm 15 stops the alarm, and the automatic control system in the control box 14 controls the exhaust ventilation equipment in the chlorine storage to start.

[0031] Those skilled in the art may make other corresponding changes or deformations to the above-mentioned technical methods and concepts, and all of these changes or deformations should fall within the protection scope of the claims of the present utility model.

Claims

1. A stable double-layer chlorine leakage absorption device, characterized in that: The invention comprises a processing mechanism, wherein the processing mechanism comprises a conveying part, a reaction component, and a recovery part, wherein the reaction component comprises a primary dilution part for initially diluting the concentration of chlorine gas and a secondary dilution part for secondary dilution of the concentration of chlorine gas; The secondary dilution section comprises an absorption tower (1), wherein a plurality of stuffing boxes (7) for increasing the contact area are arranged at the middle section of the absorption tower (1), a ball ring stuffing is arranged inside the stuffing box (7), a plurality of air holes for chlorine gas to pass through are arranged outside the stuffing box (7), a preset distance is set between the plurality of stuffing boxes (7), a spray head is arranged above each stuffing box (7), and an open-hole partition plate (8) for reduction reaction is arranged below the stuffing box (7) near the bottom end of the absorption tower (1); The primary dilution section comprises an absorption solution pool (2), wherein the absorption solution pool (2) contains a FeCl2 solution with a concentration of 20% for primary dilution, wherein the chemical reaction equation occurring in the absorption solution pool (2) is 2FeCl2+Cl2→2FeCl3, wherein an ultrasonic level meter (16) is fixedly installed on the side wall of the absorption solution pool (2) at one end away from the ground, wherein the ultrasonic level meter (16) is used to control the maximum liquid level and the minimum liquid level of the solution in the absorption solution pool (2), wherein the end of the absorption solution pool (2) away from the ground is connected to the bottom end of the absorption tower (1), wherein the absorption solution pool (2) has a water outlet pipe on each of the left and right sides, wherein the right water outlet pipe is connected to the water inlet end of a corrosion-resistant solution pump (5), wherein the water outlet end of the corrosion-resistant solution pump (5) is fixedly connected to one end of a corrosion-resistant solution pipe (11), wherein the corrosion-resistant solution pipe (11) is connected to a spray head for secondary dilution; The conveying part comprises an air pump (4), the water outlet of the air pump (4) is detachably connected to one end of an air inlet pipe (10), the other end of the air inlet pipe (10) extends to below the lowest liquid level in the absorption solution pool (2), a ball valve (23) is detachably mounted on the water inlet of the air pump (4), and one end of a second connecting pipe (24) is mounted on the ball valve (23); The recovery part comprises a recovery liquid pool (3), the recovery liquid pool (3) is placed on the ground, an electric valve (17) is fixedly installed on one side of the recovery liquid pool (3), and the electric valve (17) is connected to the absorption solution pool (2) through a pipeline; The reaction assembly further comprises a water removal device (9), wherein the water removal device (9) is fixedly mounted on the top of the absorption tower (1), and one end of a tail gas recovery pipe (12) is fixedly mounted on the water removal device (9).

2. A stable double-layer chlorine leakage absorption device as claimed in claim 1, characterized in that: A layer of cotton and linen cloth is arranged inside the perforated partition (8), and industrial scrap iron is placed on the cotton and linen cloth. The reduction reaction equation occurring inside the perforated partition (8) is: 2FeCl3+Fe→3FeCl2.

3. A stable double-layer chlorine leakage absorption device as claimed in claim 1, characterized in that: The spray head comprises a connecting pipe (21), one end of which is connected to the corrosion-resistant solution pipe (11), and a spray device (6) is fixedly mounted on the other end of the connecting pipe (21).

4. A stable double-layer chlorine leakage absorption device as claimed in claim 1, characterized in that: The invention also comprises a storage component, wherein the storage component comprises a chlorine reservoir (19), a chlorine tank (20) is arranged on the ground inside the chlorine reservoir (19), a chlorine concentration measuring sensor (22) is fixedly installed on the side wall of the chlorine reservoir (19) away from the chlorine tank (20), an alarm (15) is arranged above the chlorine concentration measuring sensor (22), a chlorine concentration measuring sensor (13) is fixedly installed on the side wall of the chlorine reservoir (19) close to the chlorine tank (20), the chlorine concentration measuring sensor (13) is arranged between the chlorine concentration measuring sensor (22) and the alarm (15), a control box (14) is fixedly installed on the outer wall of the chlorine reservoir (19), and the other end of the connecting pipe (24) is connected to the chlorine reservoir (19).

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