A molten salt quenching device

Abstract

The utility model relates to a kind of fused salt quenching device, including shell, heating assembly and to drive workpiece in x direction moves workpiece conveying mechanism, the workpiece conveying mechanism and the heating assembly are all located in the shell, the shell has the quenching cavity of closed arrangement, the quenching cavity is on the moving path of the workpiece, and the quenching cavity is in the heating area of the heating assembly, the shell is also provided with to the salt solution conveying mechanism for conveying salt solution in the quenching cavity.The fused salt quenching device provided in the utility model solves the problem of high manufacturing and maintenance cost of existing fused salt quenching equipment.

Description

Technical Field

[0001] This utility model relates to the field of heat treatment equipment technology, and in particular to a molten salt quenching device. Background Technology

[0002] Currently, for quenching equipment that uses oil as the quenching medium, a lifting platform is generally used to lower the workpiece so that it is immersed in the oil to complete the quenching. However, in the bearing industry, in order to improve bearing performance, molten salt is chosen as the quenching medium to replace the traditional oil. This is because the working temperature of molten salt is above 160℃, which is much higher than that of oil. After the workpiece is rapidly cooled to the bainitic transformation temperature (around 230℃) in molten salt, it is kept at this constant temperature for a long time to complete the bainitic transformation. Bainite has much higher toughness than martensite, which allows the bearing to withstand greater impact loads and has lower internal stress, greatly reducing the risk of deformation and cracking.

[0003] However, because the lifting platform needs to ensure smooth lifting and solve the problem of roller transmission between the upper and lower positions, the structure is relatively complex, resulting in high manufacturing, use and maintenance costs. At the same time, because molten salt has high-temperature oxidizing properties, the high-temperature oxidizing salt solution will accelerate the wear and aging of the moving parts of the lifting platform, which will affect the lifting stability of the lifting platform and require frequent replacement and maintenance of moving parts, further increasing the use and maintenance costs. Utility Model Content

[0004] The main purpose of this invention is to propose a molten salt quenching device, which aims to solve the problem of excessively high manufacturing, use and maintenance costs of existing molten salt quenching equipment.

[0005] To achieve the above objectives, this utility model proposes a molten salt quenching device, comprising a shell, a heating assembly, and a workpiece conveying mechanism for driving the workpiece to move in the x-direction. The workpiece conveying mechanism and the heating assembly are both disposed within the shell. The shell has a closed quenching chamber located on the movement path of the workpiece and within the heating area of ​​the heating assembly. The shell is also provided with a salt solution conveying mechanism for conveying salt solution into the quenching chamber.

[0006] According to some embodiments of the present invention, the salt solution conveying mechanism includes a driving component and a flow channel containing salt solution. One end of the flow channel is connected to the bottom of the quenching chamber, and the other end is provided with the driving component, so that the salt solution flows into the quenching chamber under the drive of the driving component.

[0007] According to some embodiments of the present invention, a salt solution flow path is formed in the flow guiding channel, and at least one flow divider is provided in the flow guiding channel. The flow divider extends along the flow direction of the salt solution to the vicinity of the connection between the flow guiding channel and the quenching chamber, so as to divide the salt solution flow path into multiple flow paths.

[0008] According to some embodiments of the present invention, a flow equalization plate is provided in the flow guide channel to block the flow guide channel. The flow equalization plate is located near the connection between the flow guide channel and the quenching chamber. The flow equalization plate has multiple flow equalization holes, which are distributed in an array.

[0009] According to some embodiments of the present invention, the housing further includes a salt solution storage cavity, the guide channel is disposed in the salt solution storage cavity, and the end of the guide channel near the drive assembly is connected to the salt solution storage cavity. The upper part of the quenching cavity has an overflow port that can communicate with the salt solution storage cavity, so that the salt solution overflowing from the overflow port can flow back into the guide channel through the salt solution storage cavity.

[0010] According to some embodiments of the present invention, the workpiece conveying mechanism includes a plurality of rollers spaced apart in the x-direction, each roller rotating about an axis extending in the y-direction, and each roller having a support surface for supporting the workpiece.

[0011] According to some embodiments of this utility model, the housing is provided with a top plate, two side plates, and two liftable baffles. The two baffles are spaced apart in the x-direction, and the moving path of the baffles is between two adjacent rollers. The two side plates are spaced apart in the y-direction, and each of the two side plates has a through hole for the two ends of the rollers to pass through. The top plate is located above the two side plates and the two baffles. The top plate, the two baffles, and the two side plates enclose the quenching chamber, and the gap between the top plate and the two baffles forms the overflow port.

[0012] According to some embodiments of the present invention, the housing is further provided with two overflow plates, which are respectively connected to two baffles one to one. The moving path of the overflow plate is between two adjacent rollers. The overflow plate and the corresponding baffle form a return channel. The overflow port is connected to the brine storage chamber through the return channel.

[0013] According to some embodiments of the present invention, the housing is further provided with a position detection component electrically connected to the workpiece conveying mechanism via a controller. The position detection component includes two detection parts spaced apart in the x-direction, and the detection areas of the two detection parts are located between the two baffles.

[0014] According to some embodiments of the present invention, a cooling component is further provided in the brine storage chamber, and the cooling component is located on the brine return path.

[0015] This utility model has at least the following beneficial effects: In this invention, the workpiece to be quenched is moved into the quenching chamber of the housing by a workpiece conveying mechanism. Then, the workpiece conveying mechanism stops, leaving the workpiece in the quenching chamber. A salt solution conveying mechanism then delivers salt solution into the quenching chamber. Because the quenching chamber is enclosed, the salt solution accumulates until it completely submerges the workpiece for the quenching process. After quenching, the workpiece conveying mechanism starts, driving the workpiece out of the quenching chamber and moving to the next process. Since the quenching chamber is located within the heating area of ​​the heating assembly, the heating assembly continuously transfers heat to the quenching chamber during the quenching process, maintaining the quenching chamber within a constant temperature range. This ensures the workpiece can complete the bainitic transformation at a constant temperature for an extended period, guaranteeing the quenching quality of the workpiece, and also prevents the molten salt in the quenching chamber from solidifying due to excessively low temperatures. This invention completes quenching by transferring the workpiece to be quenched into the quenching chamber and injecting salt solution into the quenching chamber. Compared with the traditional method of quenching by driving the workpiece down into the quenching liquid through a lifting platform, this method eliminates the moving parts of the lifting platform, simplifies the structure, reduces production and manufacturing costs, and avoids the accelerated wear and aging of the moving parts of the lifting platform by the high-temperature oxidizing salt solution, thereby reducing the cost of use and maintenance. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A front view of a molten salt quenching apparatus provided in an embodiment of this utility model; Figure 2 for Figure 1 A magnified view of part A in the image; Figure 3 for Figure 1 A side view of a molten salt quenching apparatus; Figure 4 for Figure 3 A magnified view of part B in the image; Figure 5 for Figure 1 A top view of the internal structure of the shell at the location of the quenching chamber.

[0018] Explanation of reference numerals in the attached figures: 100-Molten salt quenching device; 1-Shell; 11-Quenching chamber; 111-Overflow port; 12-Salt solution storage chamber; 13-Top plate; 14-Side plate; 15-Baffle; 16-Overflow plate; 2-Heating assembly; 21-Heating section; 3-Workpiece conveying mechanism; 31-Roller; 4-Salt solution conveying mechanism; 41-Drive assembly; 42-Guide channel; 421-First flow section; 422-Second flow section; 423-Elongated hole; 43-Flow divider plate; 44-Flow equalizer plate; 5-Position detection assembly; 51-Detection section; 6-Cooling assembly; 7-Level gauge; 8-Cover; 200-Workpiece. Detailed Implementation

[0019] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0021] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0022] This utility model provides a molten salt quenching device. Figures 1 to 5 This invention provides a specific embodiment of a molten salt quenching device.

[0023] like Figures 1 to 4As shown, this utility model embodiment provides a molten salt quenching device 100, including a housing 1, a heating component 2, and a workpiece conveying mechanism 3 for driving a workpiece 200 to move in the x direction. The workpiece conveying mechanism 3 and the heating component 2 are both disposed inside the housing 1. The housing 1 has a closed quenching chamber 11, which is located on the moving path of the workpiece 200 and is located within the heating area of ​​the heating component 2. The housing 1 is also provided with a salt solution conveying mechanism 4 for conveying salt solution into the quenching chamber 11.

[0024] In this invention, the workpiece 200 to be quenched is moved into the quenching chamber 11 of the housing 1 under the drive of the workpiece conveying mechanism 3. Then, the workpiece conveying mechanism 3 stops operating, allowing the workpiece 200 to remain in the quenching chamber 11. The salt solution conveying mechanism 4 then delivers salt solution into the quenching chamber 11. Since the quenching chamber 11 is enclosed, the salt solution accumulates in the quenching chamber 11 until it completely submerges the workpiece 200 for the quenching process. After quenching, the workpiece conveying mechanism 3 starts operating to drive the workpiece 200 out of the quenching chamber 11 and move to the next process. Because the quenching chamber 11 is located within the heating area of ​​the heating component 2, the heating component 2 continuously transfers heat into the quenching chamber 11 during the quenching process, allowing the quenching chamber 11 to maintain a constant temperature range. This ensures that the workpiece 200 can complete the bainitic transformation at a constant temperature for a long time, guaranteeing the quenching quality of the workpiece 200, and also prevents the molten salt in the quenching chamber 11 from solidifying due to excessively low temperatures. This invention completes quenching by transferring the workpiece 200 to be quenched into the quenching chamber 11 and injecting salt solution into the quenching chamber 11. Compared with the traditional method of quenching by driving the workpiece 200 down into the quenching liquid through a lifting platform, this invention eliminates the moving parts of the lifting platform, simplifies the structure, reduces manufacturing costs, and avoids the accelerated wear and aging of the moving parts of the lifting platform by the high-temperature oxidizing salt solution, thereby reducing the cost of use and maintenance.

[0025] It should be noted that the housing 1 is provided with an inlet and an outlet. The inlet is connected to the heating furnace, and the outlet is covered by a cover 8. When the workpiece 200 to be quenched enters the housing 1 through the inlet, the cover 8 closes the outlet, making the inside of the housing 1 a closed environment. Then, a protective gas is introduced into the housing 1 so that the workpiece 200 can be quenched under a protective atmosphere, which can effectively prevent oxidation of the surface of the workpiece 200 and improve the quenching quality of the workpiece 200.

[0026] Specifically, in some embodiments, such as Figure 3 and Figure 4As shown, the heating assembly 2 includes a plurality of heating sections 21 spaced apart in the x-direction. This arrangement allows the heating assembly 2 to heat the salt solution in the quenching chamber 11 more uniformly.

[0027] The specific structure of the salt solution conveying mechanism 4 is not limited, as long as it ensures that the salt solution conveying mechanism 4 can input the salt solution into the quenching chamber 11. For example, in some embodiments, such as... Figure 1 and Figure 2 As shown, the salt solution conveying mechanism 4 includes a driving component 41 and a guide channel 42 containing the salt solution. One end of the guide channel 42 is connected to the bottom of the quenching chamber 11, and the other end is provided with the driving component 41, so that the salt solution flows into the quenching chamber 11 under the drive of the driving component 41. With this configuration, when quenching is required, the driving component 41 pumps the salt solution in the guide channel 42 into the quenching chamber 11. The salt solution level in the quenching chamber 11 gradually rises until it submerges the workpiece 200 for quenching. After quenching is completed, most of the salt solution in the quenching chamber 11 flows back into the guide channel 42 under the action of gravity for use in the next quenching, thereby improving the utilization rate of the salt solution.

[0028] Specifically, the drive component 41 is a propeller-type agitator, which uses the rotation of its blades to push the salt solution in the guide channel 42 into the quenching chamber 11.

[0029] In some embodiments, such as Figure 1 As shown, the flow channel 42 includes a first flow section 421 and a second flow section 422. The second flow section 422 communicates with the quenching chamber 11 through the first flow section 421. The first flow section 421 gradually expands from its connection point with the second flow section 422 towards the quenching chamber 11. This arrangement causes the flow rate of the salt solution to decrease as it is pumped from the first flow section 421 into the quenching chamber 11, resulting in a more uniform distribution of the salt solution entering the quenching chamber 11 and providing a more uniform cooling environment for the workpiece 200.

[0030] Furthermore, in some embodiments, such as Figure 1As shown, a salt solution flow path is formed within the flow channel 42. At least one flow divider 43 is provided within the flow channel 42. The flow divider 43 extends along the salt solution flow direction to the vicinity of the connection between the flow channel 42 and the quenching chamber 11, thereby dividing the salt solution flow path into multiple branch paths. This arrangement, by dividing the salt solution flow path into multiple parallel and finer branch paths through the flow divider 43, forces the salt solution to flow in a dispersed manner. This helps the salt solution to flow more evenly upwards from the bottom of the quenching chamber 11 when it subsequently enters the quenching chamber 11, resulting in a more uniform distribution of the salt solution entering the quenching chamber 11 and providing a more uniform cooling environment for the workpiece 200.

[0031] Furthermore, in some embodiments, such as Figure 1 and Figure 2 As shown, sliders are connected to both ends of the flow divider 43. The two sliders are movably adjustable on the flow divider 43. Two elongated holes 423 are correspondingly formed on the inner wall of the flow channel 42, and each slider is movably positioned within its corresponding elongated hole 423. This configuration allows adjustment of the slider's position within the elongated hole 423 to change the tilt angle of the flow divider 43, resulting in a more uniform distribution of the brine solution.

[0032] In some embodiments, such as Figure 1 and Figure 2 As shown, a flow equalization plate 44 is provided inside the flow guide channel 42 to block the flow guide channel 42. The flow equalization plate 44 is located near the connection between the flow guide channel 42 and the quenching chamber 11. The flow equalization plate 44 has multiple flow equalization holes arranged in an array. This configuration prevents the salt solution from being directly sprayed into the quenching chamber 11 by blocking the flow guide channel 42 with the flow equalization plate 44. The salt solution can only slowly flow into the quenching chamber 11 through the flow equalization holes on the flow equalization plate 44, resulting in a more uniform distribution of the salt solution entering the quenching chamber 11. This provides a more uniform cooling environment for the workpiece 200, thereby improving the quenching quality.

[0033] To prevent the quenching chamber 11 from continuously overflowing with salt solution and causing an increase in internal hydraulic pressure, in some embodiments, such as... Figure 2 and Figure 4As shown, the housing 1 also includes a salt solution storage chamber 12. A flow channel 42 is located within the salt solution storage chamber 12, and one end of the flow channel 42 near the drive assembly 41 communicates with the salt solution storage chamber 12. The upper part of the quenching chamber 11 has an overflow port 111 that communicates with the salt solution storage chamber 12, allowing salt solution overflowing from the overflow port 111 to flow back into the flow channel 42 via the salt solution storage chamber 12. This configuration ensures that excess salt solution flows out from the overflow port 111, preventing the entire quenching chamber 11 from filling with salt solution. Simultaneously, the overflow port 111 communicates with the flow channel 42 via the salt solution storage chamber 12, allowing excess salt solution to flow back into the flow channel 42 without the need for external replenishment.

[0034] In some embodiments, such as Figure 2 As shown, the housing 1 is equipped with a level gauge 7 for detecting the salt solution level in the quenching chamber 11. The level gauge 7 is electrically connected to the drive assembly 41 through the controller. When the salt solution level in the quenching chamber 11 reaches a predetermined level, the level gauge 7 sends a signal to the controller, which then controls the drive assembly 41 to stop operating.

[0035] In some embodiments, such as Figure 1 As shown, a cooling assembly 6 is also provided in the salt solution storage chamber 12, and the cooling assembly 6 is located on the return path of the salt solution. With this configuration, the salt solution with a higher temperature in the quenching chamber 11 overflows from the overflow port 111 into the salt solution storage chamber 12, and exchanges heat with the cooling assembly 6 to lower its temperature. The salt solution with a lower temperature flows back into the guide channel 42 and is pumped into the quenching chamber 11 by the drive assembly 41, thereby forming a circulation and preventing the temperature of the salt solution in the quenching chamber 11 from continuously rising and affecting the quenching quality.

[0036] The specific structure of the workpiece conveying mechanism 3 is not limited, as long as it ensures that the workpiece conveying mechanism 3 can drive the workpiece 200 to move in the x direction. For example, in some embodiments, such as... Figures 3 to 5 As shown, the workpiece conveying mechanism 3 includes a plurality of rollers 31 spaced apart in the x-direction. Each roller 31 rotates about an axis extending in the y-direction, and each roller 31 has a support surface for supporting the workpiece 200. With this configuration, the workpiece 200 can be moved simply by driving the rollers 31 to rotate. Compared to traditional conveyor belt structures, this design has fewer components and lower usage and maintenance costs.

[0037] Furthermore, in some embodiments, such as Figure 2 and Figure 4As shown, the housing 1 is provided with a top plate 13, two side plates 14 and two liftable baffles 15. The two baffles 15 are spaced apart in the x-direction, and the movement path of the baffles 15 is between two adjacent rollers 31. The two side plates 14 are spaced apart in the y-direction, and each of the two side plates 14 has a through hole for the two ends of the rollers 31 to pass through. The top plate 13 is located above the two side plates 14 and the two baffles 15. The top plate 13, the two baffles 15 and the two side plates 14 enclose the quenching chamber 11. The overflow port 111 is formed in the gap between the top plate 13 and the two baffles 15. With this configuration, since both ends of the roller 31 pass through the through holes of the two side plates 14, and the top plate 13, the two baffles 15, and the two side plates 14 enclose the quenching chamber 11, only a very small amount of salt solution can seep out from the through holes and come into contact with the transmission components that drive the roller 31 to rotate. This avoids the salt solution from accelerating the aging of the transmission components and reduces the cost of use and maintenance. At the same time, the height of the overflow port 111 can be adjusted by driving the baffles 15 to rise and fall.

[0038] Furthermore, in some embodiments, such as Figure 3 and Figure 4 As shown, the housing 1 also includes a position detection component 5 electrically connected to the workpiece conveying mechanism 3 via a controller. The position detection component 5 includes two detection sections 51 spaced apart in the x-direction, with the detection areas of the two detection sections 51 located between the two baffles 15. When the workpiece 200 moves in the x-direction and passes through the detection area of ​​the first detection section 51, the detection section 51 sends a signal to the controller, which then controls the baffle 15 near the outlet to descend. When the workpiece 200 reaches the detection area of ​​the second detection section 51, the controller controls the baffle 15 near the inlet to descend and stops the workpiece conveying mechanism 3, causing the workpiece 200 to remain between the detection areas of the two detection sections 51. At this time, the workpiece 200 is located between the two baffles 15, i.e., within the quenching chamber 11. This arrangement prevents the workpiece 200 from colliding with the baffles 15.

[0039] It should be noted that in some other embodiments, when the workpiece 200 reaches the detection area of ​​the second detection unit 51, the controller controls the roller 31 of the workpiece conveying mechanism 3 to reverse. When the workpiece 200 returns to the detection area of ​​the first detection unit 51, the controller controls the roller 31 of the workpiece conveying mechanism 3 to rotate forward, so that the workpiece 200 can move back and forth between the detection areas of the two detection units 51, which plays a certain role in stirring and makes the temperature distribution of the salt solution in the quenching chamber 11 more uniform during quenching, thereby improving the quenching effect.

[0040] To prevent the brine solution from overflowing from the overflow port 111 and escaping everywhere, in some embodiments, such as Figure 3 and Figure 4 As shown, the housing 1 also includes two overflow plates 16, each corresponding to one of the two baffles 15. The overflow plates 16 move between two adjacent rollers 31, and the overflow plates 16 and corresponding baffles 15 form a return channel. The overflow port 111 communicates with the brine storage chamber 12 through the return channel. This arrangement ensures that after overflowing from the overflow port 111, the brine flows through the return channel into the brine storage chamber 12, preventing the brine from escaping and affecting other components within the housing 1.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A molten salt quenching apparatus, characterized in that, The device includes a housing, a heating assembly, and a workpiece conveying mechanism for driving the workpiece to move in the x-direction. The workpiece conveying mechanism and the heating assembly are both located inside the housing. The housing has a closed quenching chamber located on the movement path of the workpiece and within the heating area of ​​the heating assembly. The housing is also provided with a salt solution conveying mechanism for conveying salt solution into the quenching chamber.

2. The molten salt quenching apparatus as described in claim 1, characterized in that, The salt solution delivery mechanism includes a drive assembly and a flow channel containing the salt solution. One end of the flow channel is connected to the bottom of the quenching chamber, and the other end is provided with the drive assembly, so that the salt solution flows into the quenching chamber under the drive of the drive assembly.

3. The molten salt quenching apparatus as described in claim 2, characterized in that, A salt solution flow path is formed within the flow channel. At least one flow divider is provided within the flow channel. The flow divider extends along the salt solution flow direction to the vicinity of the connection between the flow channel and the quenching chamber, so as to divide the salt solution flow path into multiple flow paths.

4. The molten salt quenching apparatus as described in claim 2, characterized in that, A flow equalization plate is provided in the flow guide channel to block the flow guide channel. The flow equalization plate is located near the connection between the flow guide channel and the quenching chamber. The flow equalization plate has multiple flow equalization holes, which are distributed in an array.

5. The molten salt quenching apparatus as described in claim 2, characterized in that, The housing also has a salt solution storage chamber, and the flow channel is located in the salt solution storage chamber. The end of the flow channel near the drive assembly is connected to the salt solution storage chamber. The upper part of the quenching chamber has an overflow port that can communicate with the salt solution storage chamber, so that the salt solution overflowing from the overflow port can flow back into the flow channel through the salt solution storage chamber.

6. The molten salt quenching apparatus as described in claim 5, characterized in that, The workpiece conveying mechanism includes a plurality of rollers spaced apart in the x-direction, each roller rotating about an axis extending in the y-direction, and each roller having a support surface for supporting the workpiece.

7. The molten salt quenching apparatus as described in claim 6, characterized in that, The housing contains a top plate, two side plates, and two liftable baffles. The two baffles are spaced apart in the x-direction, and their movement path is between two adjacent rollers. The two side plates are spaced apart in the y-direction, and each side plate has a through hole for the two ends of the rollers to pass through. The top plate is located above the two side plates and the two baffles. The top plate, the two baffles, and the two side plates enclose the quenching chamber, and the gap between the top plate and the two baffles forms the overflow port.

8. The molten salt quenching apparatus as described in claim 7, characterized in that, The housing is also provided with two overflow plates, which are respectively connected to two baffles one to one. The moving path of the overflow plate is between two adjacent rollers. The overflow plate and the corresponding baffle form a return channel. The overflow port is connected to the brine storage chamber through the return channel.

9. The molten salt quenching apparatus as described in claim 7, characterized in that, The housing is also provided with a position detection component that is electrically connected to the workpiece conveying mechanism via a controller. The position detection component includes two detection parts arranged at intervals in the x-direction, and the detection areas of the two detection parts are located between the two baffles.

10. The molten salt quenching apparatus as described in claim 5, characterized in that, The brine storage chamber is also equipped with a cooling component, which is located on the brine return path.

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