Liquid chlorine gasification system

Abstract

The invention relates to the technical field of liquid chlorine gasification, and provides a liquid chlorine gasification system which comprises a first containing box, the first containing box is provided with a plurality of containing spaces, the containing spaces do not communicate with one another, and the containing spaces are used for containing first heat exchange media; the first pipeline is provided with a first inlet and a first outlet, the first inlet is communicated with the liquid chlorine storage tank, the first outlet is used for discharging chlorine, and the first pipeline sequentially penetrates through the containing spaces; the second pipeline is provided with a second inlet and a second outlet, the second pipeline sequentially penetrates through the multiple containing spaces, and the second pipeline is used for circulating a second heat exchange medium; the second inlet and the first outlet are located on the same side of the first containing box, and the second outlet and the first inlet are located on the same side of the first containing box. By means of the technical scheme, the technical problem that in the prior art, liquid chlorine in a coil pipe is rapidly gasified, and consequently pressure rises sharply is solved.

Description

Technical Field

[0001] Embodiments of the present disclosure relate to the technical field of liquid chlorine gasification, and specifically, to a liquid chlorine gasification system. Background Art

[0002] Chlorine, as a halogen element, is widely used in the fields of water treatment, papermaking and textile, medicine and chemical industry, and metal processing. In the field of medicine and chemical industry, chlorine gas is required in the preparation process of some materials. Currently, chlorine gas is generally transported in a liquid state. After being transported to the manufacturer, it is stored in a special storage tank. When chlorine gas is needed in the workshop, the liquid chlorine in the storage tank is exported, passed through a gasification device, and then transported to the workshop for use.

[0003] In the prior art, a coil-type gasification system is usually adopted. The liquid chlorine is inside the coil, and the heat exchange medium or heating device exchanges heat with the coil outside the coil, and then the coil exchanges heat with the liquid chlorine inside it to gasify the liquid chlorine inside the coil. To prevent leakage caused by long-term use of the coil, the heat exchange medium usually uses an alkaline liquid. Even if there is leaked chlorine gas, it will react with the alkaline liquid to avoid chlorine gas leakage. However, in actual use, at the position of the coil close to the liquid chlorine storage tank, when initially contacting the heat exchange medium, a phenomenon of rapid gasification will occur, resulting in a rapid increase in the pressure at the position of the coil close to the liquid chlorine storage tank, and leakage is likely to occur. Summary of the Invention

[0004] To overcome the above defects, embodiments of the present disclosure provide a liquid chlorine gasification system, which solves the technical problem that the liquid chlorine in the coil in the prior art rapidly gasifies, resulting in a sharp rise in pressure.

[0005] According to one aspect, at least one embodiment of the present disclosure provides a liquid chlorine gasification system, including: A first storage tank, having a plurality of storage spaces that are not communicated with each other, and the storage spaces are used for storing a first heat exchange medium; A first pipeline, having a first inlet and a first outlet, the first inlet is communicated with a liquid chlorine storage tank, and the first outlet is used for discharging chlorine gas. The first pipeline sequentially penetrates through a plurality of the storage spaces, and the first pipeline is configured such that the liquid chlorine exchanges heat with the first heat exchange medium in the plurality of storage spaces in sequence during the process of passing through the first pipeline; A second pipeline, having a second inlet and a second outlet, the second pipeline sequentially penetrates through a plurality of the storage spaces, and the second pipeline is used for circulating a second heat exchange medium. The second pipeline is configured such that the second heat exchange medium exchanges heat with the first heat exchange medium in the plurality of storage spaces in sequence during the process of passing through the second pipeline; The second inlet and the first outlet are located on the same side of the first storage tank, and the second outlet and the first inlet are located on the same side of the first storage tank.

[0006] For example, in a chlorine gasification system provided by at least one embodiment of the present disclosure, the first heat exchange medium is an alkaline solution.

[0007] For example, in a chlorine gasification system provided by at least one embodiment of the present disclosure, it further includes: A rotating shaft rotatably arranged on the first storage tank, the rotating shaft sequentially penetrates through the storage space, and the rotating shaft is rotatably and sealingly connected to the first storage tank; There are several stirring paddles spaced apart on the rotating shaft, and at least one stirring paddle is arranged in each storage space, and the stirring paddle is used to promote the circulation of the first heat exchange medium in the storage space.

[0008] For example, in a chlorine gasification system provided by at least one embodiment of the present disclosure, both the first pipeline and the second pipeline are coiled pipes, and the rotating shaft is located between the first pipeline and the second pipeline.

[0009] For example, in a chlorine gasification system provided by at least one embodiment of the present disclosure, it further includes a heating device, and the heating device includes: A second storage tank communicated with the first outlet, the second storage tank has a chlorine gas discharge port at the top, and the second storage tank is configured such that gaseous chlorine is discharged from the chlorine gas discharge port and liquid chlorine flows to the bottom of the second storage tank; A heating assembly is arranged below the second storage tank, and the heating assembly is used to heat the bottom of the second storage tank.

[0010] For example, in a chlorine gasification system provided by at least one embodiment of the present disclosure, the heating device further includes: A partition plate is inclined in the second storage tank, the partition plate is located between the first outlet and the bottom of the second storage tank, and there is a first gap between the partition plate and an inner wall of the second storage tank, and the partition plate is used to guide the liquid chlorine to the first gap; The second storage tank further has a mixed gas outlet, and the mixed gas outlet is located between the partition plate and the bottom of the second storage tank, and the mixed gas outlet is used to discharge the gas between the partition plate and the bottom of the second storage tank.

[0011] For example, in a chlorine gasification system provided by at least one embodiment of the present disclosure, the discharge temperature of the mixed gas is not lower than 71 °C.

[0012] For example, in a liquid chlorine gasification system provided by at least one embodiment of the present disclosure, the bottom of the second storage tank has a first inclined surface, the high end of the first inclined surface is located below the first gap, and the mixed gas outlet is located between the first inclined surface and the partition plate.

[0013] For example, in a liquid chlorine gasification system provided by at least one embodiment of the present disclosure, the liquid chlorine gasification system further includes: A gaseous chlorine buffer tank, arranged on one side of the heating device, the gaseous chlorine buffer tank is communicated with the chlorine discharge port, and the gaseous chlorine buffer tank is used for storing gaseous chlorine; A mixed gas storage tank, arranged below the heating assembly, the mixed gas storage tank is communicated with the mixed gas outlet, the mixed gas storage tank is used for storing the mixed gas, and the heating assembly heats the mixed gas in the mixed gas storage tank.

[0014] For example, in a liquid chlorine gasification system provided by at least one embodiment of the present disclosure, the second storage tank further has a cleaning port, and the heating device further includes: A sliding plug plate, slidably arranged at the cleaning port, the sliding plug plate is configured such that after the sliding plug plate slides, it seals or opens the cleaning port.

[0015] The beneficial effects of the embodiments of the present disclosure are as follows: In the present disclosure, through the heat exchange method in which the first pipeline sequentially passes through a plurality of non-communicating storage spaces, the pressure change during the gasification of liquid chlorine is more stable, effectively avoiding the sharp rise in pressure caused by rapid gasification, reducing the leakage risk, and improving the safety of the system.

[0016] The heat exchange method in which the first pipeline penetrates through the storage space can make the first pipeline be in the first medium, so that in case of leakage of the first pipeline, chlorine gas can directly diffuse into the air.

[0017] The stable pressure and good heat exchange effect reduce the impact and corrosion on the pipeline and the storage tank, and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following will briefly introduce the drawings required for the description of the embodiments of the present disclosure. Obviously, the following drawings are only some exemplary embodiments of the present disclosure. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the exemplary embodiments of the present disclosure and these drawings.

[0019] Figure 1 is a structural schematic diagram of the present disclosure; Figure 2Schematic cross-sectional structure diagram of the present disclosure; Figure 3 is Figure 2 Schematic enlarged structure diagram at position A in In the figure: 100, the first storage box; 110, the storage space; 200, the first pipeline; 210, the first inlet; 220, the first outlet; 300, the second pipeline; 310, the second inlet; 320, the second outlet; 410, the rotating shaft; 420, the stirring paddle; 500, the heating device; 510, the second storage box; 511, the chlorine discharge port; 520, the heating component; 530, the partition board; 540, the first gap; 512, the mixed gas outlet; 513, the first inclined surface; 600, the gaseous chlorine buffer box; 700, the mixed gas storage box; 514, the cleaning port; 800, the sliding plug plate. Detailed implementation manners

[0020] The present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present disclosure, rather than limiting the present disclosure.

[0021] For the sake of simplicity of the drawings, only the parts related to the disclosure are schematically shown in each figure, and they do not represent their actual structures as products. In addition, for the sake of simplicity and easy understanding of the drawings, in some figures, components with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this article, "one" not only means "only this one", but also means "more than one" situation, and "several" includes "two" and "more than two".

[0022] In this article, 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific situations.

[0023] In this disclosure, unless otherwise clearly specified and defined, the first feature being “on” or “under” the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being “above”, “over” and “on top of” the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being “under”, “beneath” and “underneath” the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0024] In the description of this embodiment, the orientation or positional relationships such as “upper”, “lower”, “left” and “right” are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, 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 thus should not be construed as a limitation to this disclosure.

[0025] In addition, in the description of this application, the terms “first”, “second” etc. are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance.

[0026] As Figures 1 to 2 shown, it shows a liquid chlorine gasification system in an embodiment of this disclosure, which mainly consists of a first storage tank 100, a first pipeline 200, a second pipeline 300 and a liquid chlorine storage tank (external device). The first storage tank 100 is a box structure with multiple independent spaces, and its interior is divided into several storage spaces 110, and these storage spaces 110 are not connected to each other, and its function is to store the first heat exchange medium respectively.

[0027] The first pipeline 200 is a channel for liquid chlorine to flow through. It has a first inlet 210 and a first outlet 220. The first inlet 210 is tightly connected to the liquid chlorine storage tank and is used to introduce liquid chlorine, and the first outlet 220 is used to discharge the gasified chlorine to the subsequent use workshop. The first pipeline 200 sequentially passes through each storage space 110 to ensure that the liquid chlorine can sequentially exchange heat with the first heat exchange medium in different storage spaces 110 during the flow in the pipeline.

[0028] The second pipeline 300 is used for circulating the second heat exchange medium and also has a second inlet 310 and a second outlet 320. It also passes through a number of holding spaces 110 in sequence in a similar manner to the first pipeline 200. During the process of the second heat exchange medium passing through the second pipeline 300, it can sequentially exchange heat with the first heat exchange medium in each holding space 110. Moreover, the second inlet 310 and the first outlet 220 are located on the same side of the first holding tank 100, and the second outlet 320 and the first inlet 210 are located on the same side of the first holding tank 100. This layout is beneficial for the liquid chlorine in the first pipeline 200 to sequentially exchange heat with the first medium with gradually increasing temperature, thereby realizing the staged gasification of the liquid chlorine and avoiding the sudden increase in pressure in the first pipeline 200 caused by the rapid gasification of the liquid chlorine.

[0029] The first holding tank 100 is made of a high-strength and corrosion-resistant metal material, such as stainless steel, to resist the erosion of the first heat exchange medium and the possible trace chlorine gas. The holding spaces 110 are separated by baffles with good sealing performance to ensure that the first heat exchange media in each holding space 110 do not mix with each other. A filling port is provided at the top of each holding space 110 for conveniently replenishing or replacing the first heat exchange medium regularly, and a drain port is provided at the bottom for discharging the used first heat exchange medium.

[0030] The first pipeline 200 is made of a special alloy material with high pressure resistance and corrosion resistance, such as a nickel-based alloy pipeline, to withstand the pressure generated during the gasification of the liquid chlorine and the corrosiveness of the liquid chlorine itself. The inner wall of the pipeline is specially treated to make its surface smooth, reducing the resistance of the liquid chlorine flow and at the same time increasing the heat exchange area between the pipeline and the first heat exchange medium. In order to better monitor the state of the liquid chlorine in the pipeline, pressure sensors and temperature sensors can be installed at intervals on the first pipeline 200 to real-time feedback the pressure and temperature data of the liquid chlorine.

[0031] The second pipeline 300 also uses a corrosion-resistant material, such as a plastic-lined steel pipe, to adapt to the properties of the second heat exchange medium. Its pipe diameter is reasonably designed according to the flow rate and flow velocity of the second heat exchange medium to ensure that the second heat exchange medium can flow stably and uniformly in the pipeline and achieve sufficient heat exchange with the first heat exchange medium. Similar to the first pipeline 200, sensors for monitoring the temperature and pressure of the second heat exchange medium are also installed on the second pipeline 300 to facilitate precise control of the entire heat exchange process.

[0032] When the liquid chlorine gasification system starts to work, liquid chlorine enters the system from the liquid chlorine storage tank through the first inlet 210 of the first pipeline 200. Inside the first pipeline 200, the liquid chlorine first comes into contact with the first heat exchange medium in the storage space 110 near the first inlet 210. At this time, the liquid chlorine begins to absorb heat and gradually gasifies. As the liquid chlorine flows in the first pipeline 200, it exchanges heat with the first heat exchange medium in the subsequent storage spaces 110 in turn, further completing the gasification process, and finally discharging the gasified chlorine from the first outlet 220 for use in the workshop.

[0033] In this process, the second heat exchange medium enters the system from the second inlet 310 of the second pipeline 300. The second heat exchange medium flows in the second pipeline 300 and exchanges heat with the first heat exchange medium in each storage space 110 in turn, transferring the heat it carries to the first heat exchange medium. After absorbing the heat of the second heat exchange medium, the first heat exchange medium continuously provides the heat required for gasifying the liquid chlorine in the first pipeline 200. Since the second inlet 310 and the first outlet 220 are on the same side, and the second outlet 320 and the first inlet 210 are on the same side, it makes the flow direction of the second heat exchange medium and the liquid chlorine in the first storage tank 100 form a countercurrent heat exchange mode. This countercurrent heat exchange mode can improve the heat exchange efficiency, ensure that the liquid chlorine can be gasified in segments throughout the pipeline, and effectively prevent the problem of rapid gasification of the liquid chlorine near the liquid chlorine storage tank resulting in a sharp rise in pressure.

[0034] Through the heat exchange method in which the first pipeline 200 passes through several non - communicating storage spaces 110 in turn, the pressure change of the liquid chlorine during the gasification process is more stable, effectively avoiding the sharp rise in pressure caused by rapid gasification, reducing the leakage risk, and improving the safety of the system.

[0035] The way that the first pipeline 200 penetrates the storage space 110 for heat exchange can make the first pipeline 200 be in the first medium, so that in case of leakage of chlorine gas from the first pipeline 200, it can directly diffuse into the air.

[0036] The stable pressure and good heat exchange effect reduce the impact and corrosion on the pipeline and the storage tank, and extend the service life of the equipment.

[0037] In some examples, the first heat exchange medium is an alkaline solution, and the second heat exchange medium can be ordinary water or heated water. Even if a very small amount of liquid chlorine leaks from the first pipeline 200, the alkaline solution can quickly react chemically with the leaked chlorine gas and neutralize it, further ensuring the safety of the system. For example, the common sodium hydroxide alkaline solution reacts with chlorine gas to produce sodium chloride, sodium hypochlorite and water, thus preventing the leakage of chlorine gas into the environment.

[0038] For example, as Figure 2As shown, it also includes a rotating shaft 410, which is made of a high-strength and corrosion-resistant alloy material, such as a titanium alloy, to adapt to the environment of the alkaline solution in the first containing box 100 and to withstand the stress caused by the rotation of the stirring paddle 420. Both ends of the rotating shaft 410 are rotatably connected to the first containing box 100 through sealed bearings to ensure that the first heat exchange medium in the first containing box 100 will not leak during the rotation of the rotating shaft 410. The sealed bearing adopts a combination of an alkali-resistant rubber sealing ring and a metal sealing ring, which can not only ensure good sealing performance, but also reduce rotational friction. One end of the rotating shaft 410 extends out of the first containing box 100 and is connected to an external drive motor. The drive motor can be a variable frequency motor, which is convenient for adjusting the rotation speed of the rotating shaft 410 according to actual needs.

[0039] The stirring paddle 420 is also made of the same or compatible corrosion-resistant material as the rotating shaft 410. Each stirring paddle 420 is composed of a blade and a connecting shaft, and the connecting shaft is connected to the rotating shaft 410 by a key to ensure that the stirring paddle 420 can rotate synchronously with the rotating shaft 410. The blade is designed to be in a spiral shape, so that the stirring paddle 420 can more effectively promote the first heat exchange medium to circulate in the containing space 110 when rotating. Multiple stirring paddles 420 are distributed at intervals along the rotating shaft 410, and at least one stirring paddle 420 is provided in each containing space 110 to ensure that the first heat exchange medium in each containing space 110 can be fully stirred. In some larger containing spaces 110, two or more stirring paddles 420 may be provided, and the size and blade angle of the stirring paddle 420 can be adaptively adjusted according to the shape and size of the containing space 110 to achieve the best stirring effect.

[0040] The setting of the stirring paddle 420 allows the first heat exchange medium in each containing space 110 to circulate fully, effectively improving the temperature uniformity of the first heat exchange medium. The top of the first containing box 100 can be sealed with glass, which can avoid the waste of alkaline liquid during the stirring process of the stirring paddle 420 on the one hand, and enable the operator to observe from above whether the first pipeline 200 is leaking.

[0041] For example, Figure 1 As shown, the first pipe 200 is closely arranged in a spiral or serpentine shape in each containing space 110 to increase the contact area with the first heat exchange medium as much as possible to improve the heat exchange efficiency. The arrangement of the second pipe 300 in the containing space 110 is similar to that of the first pipe 200, and is also distributed in a spiral or serpentine shape, and the second pipe 300 can be arranged in several forms such as staggered arrangement, vertical spacing arrangement, left and right spacing arrangement, etc. with the first pipe 200.

[0042] The rotating shaft 410 is arranged between the first pipe 200 and the second pipe 300. The shape of the stirring paddle 420 is designed to effectively disturb the first heat exchange medium during rotation, so as to form good convection between the first pipe 200 and the second pipe 300. For example, the stirring paddle 420 can be a turbine structure with inclined blades, which can push the first heat exchange medium to flow upward or downward during rotation, enhancing the heat transfer between the first heat exchange medium and the two coiled pipes.

[0043] For example, as Figures 2 to 3 shown, it further includes a heating device 500. The heating device 500 includes a second storage tank 510, and the second storage tank 510 is made of high-strength and corrosion-resistant metal material, such as stainless steel, to withstand the pressure and chemical properties of chlorine gas inside. Its shape can be a cuboid, a cube, a cylinder, etc. A chlorine gas discharge port 511 is arranged at the top of the second storage tank 510, and the chlorine gas discharge port 511 can be connected to an external negative pressure device, and gaseous chlorine is discharged from the chlorine gas discharge port 511 through negative pressure adsorption, while liquid chlorine falls to the bottom of the second storage tank 510 under the action of gravity.

[0044] The heating component 520 can be an electric heating plate, which has the characteristics of fast heating speed and accurate temperature control, or can also adopt the method of biomass combustion heating. The heating component 520 is installed at the bottom of the second storage tank 510 and is fixed by bolts or welding to ensure close fit with the bottom of the second storage tank 510 to improve the heat transfer efficiency. The heating component 520 exchanges heat with the bottom of the second storage tank 510, so that the bottom of the second storage tank 510 can heat the liquid chlorine located at the bottom of the second storage tank 510, thereby ensuring that the liquid chlorine is completely converted into gaseous chlorine.

[0045] First, the liquid chlorine and gaseous chlorine are separated and then the liquid chlorine is heated, reducing the heating amount and the energy consumption of the heating component 520.

[0046] For example, as Figure 3 shown, the heating device 500 further includes a partition plate 530. The partition plate 530 is inclined and arranged inside the second storage tank 510, between the first outlet 220 and the bottom of the second storage tank 510. A first gap 540 is formed between it and an inner wall of the second storage tank 510. The partition plate 530 is made of the same stainless steel material as the second storage tank 510 and is fixed to the inner wall of the tank by welding or bolts to ensure its stability.

[0047] The liquid chlorine flowing out from the first outlet 220 first falls onto the partition plate 530, then slides down along the partition plate 530 under the action of gravity, and falls to the bottom of the second storage tank 510 from the first gap 540. The partition plate 530 can block the suction force of the negative pressure device at the chlorine gas discharge port 511.

[0048] There may still be a large amount of sodium trichloride in the liquid chlorine that has not been vaporized after passing through the first storage tank 100. Since the boiling point of sodium trichloride is relatively high, it is easy to accumulate in the vaporization device. The heating component 520 can convert all of the sodium trichloride and liquid chlorine into gas by heating to a temperature above the boiling point of sodium trichloride. The presence of the partition 530 can prevent the sodium trichloride that has been heated and vaporized from being discharged through the chlorine discharge port 511, and it is discharged from the mixed gas outlet 512 using the negative pressure device of the gas.

[0049] Heating the liquid chlorine containing sodium trichloride by the heating component 520 can prevent the excessive accumulation of sodium trichloride from causing an explosion, further enhancing the safety of the device.

[0050] In some examples, the discharge temperature of the mixed gas is not lower than 71 °C. 71 degrees Celsius is the boiling point of sodium trichloride, and a temperature above 71 degrees Celsius can ensure the vaporization of sodium trichloride.

[0051] For example, as Figure 3 shown, the bottom of the second storage tank 510 has a first inclined surface 513. The high end of the first inclined surface 513 is located below the first gap 540, and the mixed gas outlet 512 is located between the first inclined surface 513 and the partition 530.

[0052] The liquid chlorine that has fallen through the first gap 540 can flow towards the low end of the first inclined surface 513 under the action of gravity after falling to the high end of the first inclined surface 513. On the one hand, the first inclined surface 513 can enable the liquid chlorine to spread out at the bottom of the second storage tank 510, increasing the contact area between the liquid chlorine and the bottom of the second storage tank 510, thereby enhancing the vaporization efficiency of the liquid chlorine. On the other hand, it is convenient for the operator to clean the inside of the second storage tank 510 when not in use.

[0053] For example, as Figure 1 shown, the liquid chlorine vaporization system further includes a gaseous chlorine buffer tank 600. The gaseous chlorine buffer tank 600 is arranged on one side of the heating device 500. The gaseous chlorine buffer tank 600 is communicated with the chlorine discharge port 511 and is used for storing gaseous chlorine; a mixed gas storage tank 700, which is arranged below the heating component 520. The mixed gas storage tank 700 is communicated with the mixed gas outlet 512 and is used for storing the mixed gas. The heating component 520 heats the mixed gas in the mixed gas storage tank 700.

[0054] After the gaseous chlorine is discharged from the chlorine gas outlet 511, it enters the gaseous chlorine buffer tank 600. The gaseous chlorine buffer tank 600 is connected to the workshop, and through the gaseous chlorine buffer tank 600, the workshop can obtain gaseous chlorine with appropriate pressure and flow rate. Both gaseous chlorine and gaseous sodium trichloride exist in the mixed gas storage tank 700. The operator can select the mixed gas and gaseous chlorine with higher purity for use according to the production requirements. The mixed gas storage tank 700 is located below the heating component 520, which can further improve the heat utilization rate of the heating component 520, enabling the heating component 520 to maintain the temperature of the mixed gas through contact heat transfer and preventing the sodium trichloride in the mixed gas from turning back into liquid and accumulating.

[0055] For example, as Figure 3 shown, the second storage tank 510 also has a cleaning port 514. The heating device 500 further includes a sliding plug plate 800, which is slidably arranged at the cleaning port 514. The sliding plug plate 800 is configured such that after sliding, it seals or opens the cleaning port 514.

[0056] The sliding plug plate 800 is made of the same or compatible corrosion-resistant material as the second storage tank 510. The shape of the sliding plug plate 800 matches that of the cleaning port 514. If the cleaning port 514 is square, the sliding plug plate 800 is also square; if it is circular, the sliding plug plate 800 is circular. The sliding plug plate 800 is connected to the second storage tank 510 through a slide rail or a chute, and the slide rail or chute is installed on the tank wall around the cleaning port 514 to ensure that the sliding plug plate 800 can slide smoothly at the cleaning port 514. To ensure the sealing effect, a chlorine-resistant rubber sealing gasket is installed around the sliding plug plate 800.

[0057] An operation handle is provided on the outer side of the sliding plug plate 800, which is convenient for the operator to manually push and pull the sliding plug plate 800. When it is necessary to clean the inside of the second storage tank 510, the operator holds the handle and pulls the sliding plug plate 800 to open the cleaning port 514; after the cleaning is completed, the sliding plug plate 800 is pushed again to seal the cleaning port 514. In some designs with a higher degree of automation, an electric push rod can also be equipped and connected to the sliding plug plate 800, and the electric push rod can be remotely operated through a control system to realize the automatic opening and closing of the sliding plug plate 800.

[0058] It should be further clarified that when cleaning the second storage tank 510, the overall device needs to be in a shutdown state, and the sliding plug plate 800 should be opened after the negative pressure device has been running for 5 minutes. The operator needs to wear protective clothing during the cleaning process. First, rinse with an alkaline solution, then rinse with clean water, and perform a drying treatment after the cleaning is completed.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure and not to limit them. Although the present disclosure has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present disclosure can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present disclosure, and they should all be covered within the scope of the claims of the present disclosure.

Claims

1. A liquid chlorine gasification system, characterized in that: include: A first containing box (100) having a plurality of containing spaces (110), wherein the containing spaces (110) are not interconnected, and the containing spaces (110) are used to contain a first heat exchange medium; a first pipeline (200) having a first inlet (210) and a first outlet (220), wherein the first inlet (210) is used to communicate with a liquid chlorine storage tank, and the first outlet (220) is used to discharge chlorine gas, the first pipeline (200) sequentially passes through the plurality of containing spaces (110), and the first pipeline (200) is configured such that the liquid chlorine sequentially exchanges heat with the first heat exchange medium in the plurality of containing spaces (110) during the process of passing through the first pipeline (200); a second pipe (300) having a second inlet (310) and a second outlet (320); the second pipe (300) sequentially passes through the plurality of containing spaces (110); the second pipe (300) is used to circulate a second heat exchange medium; the second pipe (300) is configured such that the second heat exchange medium sequentially exchanges heat with the first heat exchange medium in the plurality of containing spaces (110) during the process of passing through the second pipe (300); The second inlet (310) and the first outlet (220) are located on the same side of the first containing box (100), and the second outlet (320) and the first inlet (210) are located on the same side of the first containing box (100), so that the temperature of the second heat exchange medium flowing toward the first inlet (210) is gradually reduced.

2. A liquid chlorine gasification system according to claim 1, characterized in that: The first heat exchange medium is an alkaline solution.

3. A liquid chlorine gasification system according to claim 1, characterized in that: Also includes: a rotating shaft (410) rotatably disposed on the first containing box (100), the rotating shaft (410) sequentially passing through the containing space (110), and the rotating shaft (410) and the first containing box (100) being rotatably sealed and connected; There are a plurality of stirring paddles (420) which are arranged at intervals on the rotating shaft (410), and each of the containing spaces (110) has at least one stirring paddle (420). The stirring paddle (420) is used to promote the flow of the first heat exchange medium in the containing space (110).

4. A liquid chlorine gasification system according to claim 3, characterized in that: The first pipe (200) and the second pipe (300) are both coils, and the rotating shaft (410) is located between the first pipe (200) and the second pipe (300).

5. A liquid chlorine gasification system according to claim 1, characterized in that: It also includes a heating device (500), wherein the heating device (500) includes: a second containing box (510), the second containing box (510) being in communication with the first outlet (220), the second containing box (510) having a chlorine gas outlet (511) at the top, the second containing box (510) being configured such that gaseous chlorine is discharged from the chlorine gas outlet (511) and liquid chlorine flows to the bottom of the second containing box (510); A heating component (520) is disposed below the second containing box (510), and the heating component (520) is used to heat the bottom of the second containing box (510).

6. A liquid chlorine gasification system according to claim 5, characterized in that: The heating device (500) further comprises: a partition (530) arranged obliquely in the second containing box (510); the partition (530) is located between the first outlet (220) and the bottom of the second containing box (510); a first gap (540) is defined between the partition (530) and an inner wall of the second containing box (510); the partition (530) is used to guide the liquid chlorine to the first gap (540); the first gap (540) and the chlorine gas outlet (511) are staggered; The second containing box (510) further comprises a mixed gas outlet (512), wherein the mixed gas outlet (512) is located between the partition plate (530) and the bottom of the second containing box (510), and the mixed gas outlet (512) is used to discharge the gas between the partition plate (530) and the bottom of the second containing box (510).

7. A liquid chlorine gasification system according to claim 6, characterized in that: The discharge temperature of the mixed gas is not less than 71°C.

8. A liquid chlorine gasification system according to claim 6, characterized in that: The second containing box (510) has a first inclined surface (513) at the bottom, the high end of the first inclined surface (513) is located below the first gap (540), and the mixed gas outlet (512) is located between the first inclined surface (513) and the partition (530).

9. A liquid chlorine gasification system according to claim 6, characterized in that: The liquid chlorine gasification system also includes: a gaseous chlorine buffer box (600), arranged on one side of the heating device (500), the gaseous chlorine buffer box (600) being in communication with the chlorine gas discharge port (511), and the gaseous chlorine buffer box (600) being used to store gaseous chlorine; A mixed gas storage box (700) is arranged below the heating component (520). The mixed gas storage box (700) is in communication with the mixed gas outlet (512). The mixed gas storage box (700) is used to store the mixed gas. The heating component (520) heats the mixed gas in the mixed gas storage box (700).

10. A liquid chlorine gasification system according to claim 5, characterized in that: The second storage box (510) further comprises a cleaning port (514), and the heating device (500) further comprises: A sliding plugging plate (800) is slidably disposed at the cleaning port (514), and the sliding plugging plate (800) is configured such that, after sliding, the sliding plugging plate (800) seals or opens the cleaning port (514).

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