Adjustable condenser for light gasoline

Abstract

In a controllable condenser for light gasoline, the condenser (1) includes a condenser (1) and a valve piping assembly (3) fitted onto the top of the condenser (1), the condenser (1) includes a condensing pipeline (4) provided inside, the valve piping assembly (3) is provided in close proximity to the condensing pipeline (4), and the valve piping assembly (3) includes a bypass pipe (31) fitted onto the top of the condenser (1) and located inside the condensing pipeline (4), a plurality of bypass outlets (33) extending from the bypass pipe (31) toward the condensing pipeline (4), and a plurality of bypass outlets (33) movably provided inside the bypass pipe (31) A condensing pipeline (4) includes a valve body (32) for controlling the opening and closing of a condensing pipeline (4), and the condensing pipeline (4) includes a condensing pipe (43) provided with a plurality of weirs (44), and the weirs (44) cause condensed water to collect in the condensing pipe (43), so that the condensed liquid phase oil-water mixture can flow on the water surface in the condensing pipe (43), thereby preventing the viscosity of the volatile oil in the oil-water mixture from rapidly increasing at temperatures that are too low, and reducing contact between the light volatile oil in the oil-water mixture and the condensing pipe (43), thereby reducing the loss of light volatile oil adhering to the inner wall of the condensing pipe (43) and improving the yield of volatile oil.

Description

[[Technical Field]]

[0001] Related Application

[0002] The present application claims the priority of the Chinese Patent Application No. 202311084306.5 filed on August 28, 2023, and incorporates the content disclosed in the above patent application as a part of the present application.

[0003] Technical Field The present application relates to the technical field of volatile oil extraction, in particular to an adjustable condensing device for light volatile oil. [[Background Art]]

[0004] Volatile oil, also called essential oil or aroma oil, is mainly derived from aromatic traditional Chinese medicinal herbs, and is particularly obtained from families including Asteraceae (Artemisia argyi, Atractylodes lancea, Atractylodes macrocephala), Apiaceae (Angelica biserrata, Foeniculum vulgare, Bupleurum), Rutaceae (Citrus, Zanthoxylum), Lamiaceae (Mentha, Perilla frutescens), Zingiberaceae (such as Zingiber officinale, Curcuma zedoaria), and is mainly composed of chemical molecules such as terpenes, aldehydes, esters, and alcohols. Most plant essential oils have various biological activities such as anti-inflammatory, antibacterial, anti-allergic, antioxidant, enzyme inhibitory and anti-tumor activities, and are currently widely used in the fields of spices, food industry, pharmacy, medical treatment, cosmetics and agricultural pest control. Pharmacological experiments have shown that volatile oil from traditional Chinese medicine has anti-inflammatory, anti-allergic, antimicrobial, anti-mutation and anti-cancer effects, pest repellent effect, enzyme inhibitory effect, effect on central nervous system, effect on respiratory system, etc. The content of volatile oil in traditional Chinese medicine is generally 0.12% to 10%.

[0005] A condenser is generally used in the chemical industry or pharmaceutical preparation, particularly in the production of volatile oil. The condenser condenses a high-temperature gas-phase oil-water mixture into a liquid-phase oil-water mixture through heat exchange, which is then separated in a subsequent process.

[0006] However, current condensers have a drawback: the length of the condensing tube inside the condenser is constant and long, and as the oil-water mixture passes through the condensing tube and leaves, its temperature drops, which increases the viscosity of the volatile oil in the oil-water mixture. [Overview of the project]

[0007] Based on this, the present application aims to provide an adjustable condenser for light gasoline that at least solves the problem in the prior art where the length of the condensing tube inside the condenser is constant and long, and the viscosity of the gasoline in the oil-water mixture increases as the oil-water mixture passes through the condensing tube and leaves due to a decrease in temperature.

[0008] The adjustable condenser for light gasoline according to the embodiment of this application includes a condenser and a valve piping assembly fitted to the top of the condenser. The condenser includes a condensing pipeline located inside, a valve piping assembly located adjacent to the condensing pipeline, and further includes a coolant inlet located at the bottom of the condenser and extending outward from the condenser body, and a coolant outlet located at the top of the condenser, away from the coolant inlet and extending outward. The valve piping assembly includes a bypass pipe fitted into the top of the condenser and located inside the condensing pipeline, a plurality of bypass outlets extending from the bypass pipe along the axial direction of the condensing pipeline, and a valve body movably provided within the bypass pipe for controlling the opening and closing of the plurality of bypass outlets. The condensing pipeline includes a supply port extending out of the condenser body along the top of the condenser, a discharge port extending out of the condenser body along the bottom of the condenser, a condensing pipe provided between the supply port and the discharge port to connect the supply port and the discharge port, and bypass connection ports extending from the inside of the condensing pipe toward the valve piping assembly and connected to a plurality of bypass outlets, wherein the outer shape of the condensing pipe is designed in the shape of a multi-stage condensing pipe spiral, with each stage of the spiral pipe inclined downward horizontally, and the oil-water mixture that flows into the bypass pipe along the bypass connection ports within the condensing pipe is directly discharged along the discharge port.

[0009] Furthermore, a weir is provided in each stage of the condensing pipe, so that condensed water collects on the higher horizontal side of the weir in each stage of the condensing pipe.

[0010] Furthermore, the weir section is designed with an inverted V-shape.

[0011] Furthermore, the bypass connection port is located at the bottom of the higher side of the weir.

[0012] Furthermore, it further includes a lifting rod provided in close proximity to the condenser.

[0013] Furthermore, by connecting the output end of the lifting rod to the valve body, the valve body can slide along its trajectory within the bypass pipe.

[0014] Furthermore, the condensing pipe is equipped with multiple weirs, and the bottom end of the bypass pipe is connected to the outlet.

[0015] Compared to prior art, this application proposes an adjustable condenser for light gaseous oils. First, the manufacturer can inject coolant into the condenser through a coolant inlet, filling the condenser and pre-cooling the condensing tube located inside. Subsequently, by connecting the supply port to an externally connected raw material discharge port, the oil-water mixture exhibiting a high-temperature gas phase is passed through the condensing tube along the supply port to undergo condensation, converting it into a liquid-phase oil-water mixture. Specifically, in an actual gaseous oil extraction process, before the high-temperature gas phase oil-water mixture enters the condensing pipeline, a large amount of water vapor is first generated and preferentially introduced into the condensing tube via the supply port. The water vapor condenses in the tube to become condensed water, which then passes through the condensing tube. However, the condensed water is blocked by weirs provided in each stage of the condensing tube, causing the condensed water to collect on the higher horizontal side of the weir. When the water accumulated in the uppermost weir exceeds the highest horizontal position of the weir, the water flows along the uppermost condensing pipe into the next condensing pipe, and then collects again in the weir of the next condensing pipe until condensed water has accumulated in all the weirs of the previous condensing pipe. After that, the gaseous oil-water mixture enters the condensing pipe and condenses to become a liquid-phase oil-water mixture. Because the part of the condensing pipe closest to the weir is covered with accumulated water, the liquid-phase oil-water mixture flows along the condensing pipe as if crawling on the water surface, reducing contact between the oil-water mixture and the condensing pipe, improving the yield of volatile oils, resulting in a simpler and more reliable structure, lower operating energy consumption, and a significant reduction of 15% to 80% in yield loss of light volatile oils due to adhesion. Furthermore, as the temperature of the volatile oils in the liquid-phase oil-water mixture decreases, the viscosity of the volatile oils increases, so it is necessary to drain the liquid-phase oil-water mixture in a timely manner. Therefore, the manufacturer adjusts the height of the valve body located between the multi-stage condensing tubes upward until the bypass outlet is opened in the first stage condensing tube where the condensation effect of the liquid phase oil-water mixture is highest. This allows the liquid phase oil-water mixture to flow sequentially along the bypass outlet in the first stage condensing tube where the effect is highest, into the bypass pipe connected to it, and then to the outlet and out. This achieves the objective of adjusting the path of the condensing tubes and avoids a situation where viscosity increases when volatile oils in the liquid phase oil-water mixture are continuously condensed.The higher the valve rise, the shorter the contact time between the liquid phase oil-water mixture and the coolant that is later discharged. This results in a relatively higher temperature and lower viscosity of the volatile oil in the liquid phase oil-water mixture, which can be understood by assuming that the gaseous phase oil-water mixture is completely condensed into the liquid phase oil-water mixture. The following problems in current condensers are effectively solved. Specifically, because the length of the condensing tube inside the condenser is constant and long, the oil-water mixture condenses in the condensing tube for a relatively long time, causing the temperature to drop to a relatively low level. At the same time, the viscosity of the volatile oil tends to increase at low temperatures, and the condensed oil-water mixture is in sufficient contact with the tube wall throughout the entire process. As the volatile oil passes through the relatively long condensing tube, the viscosity of the volatile oil increases, leading to more serious adhesion to the inner wall of the condensing tube. This prevents the volatile oil from being separated and collected later, seriously affecting the yield of volatile oil in herbal medicines. [Brief explanation of the drawing]

[0016] [Figure 1] This is a schematic cross-sectional view of an adjustable condenser for light gasoline according to an embodiment of the present application. [Figure 2] This is a schematic cross-sectional view of a valve piping assembly and a portion of the condensing pipeline in an adjustable condenser for light gasoline according to an embodiment of this application. [Figure 3] This is a schematic diagram of a part of the structure of the condensing pipeline in an adjustable condenser for light gasoline according to an embodiment of this application. [Figure 4] This is a schematic diagram of the established coordinate system according to an embodiment of the present application. [Figure 5] This is a schematic diagram of the cross-sectional coordinate system of the condensing tube during condensation according to an embodiment of this application. [Figure 6] This is a schematic cross-sectional diagram of a condenser tube in a conventional condenser during condensation.

[0017] In embodiments for carrying out the following inventions, this application will be further described with reference to the above drawings. [Explanation of Symbols]

[0018] 1: Condenser; 33: Bypass outlet; 11: Coolant inlet; 4: Condensing line; 12: Coolant outlet; 41: Supply port; 2: Lifting rod; 42: Discharge port; 3: Valve piping assembly; 43: Condensing pipe; 31: Bypass pipe; 44: Weir portion; 32: Valve body; 45: Bypass connection port. MODE FOR CARRYING OUT THE INVENTION

[0019] To facilitate understanding of the present application, the present application is more comprehensively described below with reference to the related drawings. The accompanying drawings show several embodiments of the present application. However, the present application is not limited to the embodiments described herein, and may be implemented in many different forms. On the contrary, these embodiments are provided with the aim of making the disclosure of the present application more thorough and comprehensive.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art. The terms used in the specification of the present application are not intended to limit the present application, but are merely for describing specific embodiments. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] Example

[0022] Referring to Figures 1 to 6, the present invention provides an adjustable condenser for light gasoline according to an embodiment of the present application, comprising a condenser 1 and a valve piping assembly 3 fitted onto the top of the condenser 1, wherein the condenser 1 includes a condensing pipeline 4 provided inside, and the valve piping assembly 3 is provided adjacent to the condensing pipeline 4, and the valve piping assembly 3 includes a bypass pipe 31 fitted onto the top of the condenser 1 and located inside the condensing pipeline 4, a plurality of bypass outlets 33 extending from the bypass pipe 31 in the axial direction of the condensing pipeline 4, and a valve body 32 movably provided within the bypass pipe 31 for controlling the opening and closing of the plurality of bypass outlets 33, wherein the condensing pipeline 4 runs along the top of the condenser 1 The condenser 43 includes a supply port 41 extending to the outside of the main body, an outlet port 42 extending to the outside of the main body of the condenser 1 along the bottom of the condenser 1, a condensing pipe 43 provided between the supply port 41 and the outlet port 42 to connect the supply port 41 and the outlet port 42, and a bypass connection port 45 extending from the inside of the condensing pipe 43 toward the valve piping assembly 3 and connected to a plurality of bypass guide ports 33. The outer shape of the condensing pipe 43 is designed as a spiral of a multi-stage condensing pipe, and each stage of the spiral pipe is inclined downward in the horizontal direction, and the bottom end of the bypass pipe 31 is in communication with the outlet port 42. As a result, the oil-water mixture that flows into the bypass pipe 31 along the bypass connection port 45 within the condensing pipe 43 is directly guided out along the outlet port 42.

[0023] In specific implementation, the manufacturer can first inject coolant into the condenser 1 via the coolant inlet 11, injecting it to fill the condenser 1 and pre-cooling the condensing tube 43 located inside it. In some selectable embodiments, liquid pumps may be further installed at the coolant inlet 11 and the coolant outlet 12, respectively, and a refrigeration device may be externally connected following the liquid pump pipeline to form a pumping circulation of coolant in the condenser 1. Subsequently, by connecting the supply port 41 to the externally connected raw material outlet, the oil-water mixture exhibiting a high-temperature gas phase can be passed through the condensing tube 43 along the supply port 41, undergoing a condensation process to become the final liquid-phase oil-water mixture, which is then discharged via the outlet 42. Furthermore, the condenser 1 further includes a coolant inlet 11 extending outward from the bottom and a coolant outlet 12 extending outward from the top away from the coolant inlet 11. The condensing tube 43 is designed in a spiral shape and has a total of 11 stages, and in some selectable embodiments of this application, the number of stages in the condensing tube 43 is not limited.

[0024] To illustrate with an example, let's assume that the spirally designed condensing tube 43 has a total of 11 stages, as shown in Figure 1 of the specification. However, in actual situations, the number of stages in the condensing tube can be set according to the condensation effect to satisfy the condensation conditions for volatile oil. If the gaseous oil-water mixture is completely liquefied in the 7th stage condensing tube 43 to become a liquid-phase oil-water mixture, then if the condensation path is too long, the temperature of the volatile oil will drop further, the viscosity of the volatile oil will increase, and the volatile oil will adhere to the inner wall of the condensing tube. In contrast, in the embodiment of this application, the manufacturer pulls the valve body 32 upward so that it is sequentially detached from the bypass guide port 33 in the condensing tube 43 from the 11th to the 7th stage at the bottom. This allows the liquid phase oil-water mixture originally retained in the condensing tube 43 from the 11th to the 7th stage to flow into the bypass pipe 31 along the bypass guide port 33 and be discharged from the outlet 42. This shortens the path the oil-water mixture takes through the condensing tube 43, making the liquid guide path of the condensing tube 43 adjustable. Furthermore, the contact area between the volatile oil in the oil-water mixture and the tube wall is reduced, improving the yield of volatile oil.

[0025] In some selectable embodiments of this application, a temperature sensor may be provided at the outlet 42 to obtain the temperature of the currently discharged liquid phase oil-water mixture and observe its current viscosity. If the temperature sensor detects that the temperature of the discharged oil-water mixture is too low, the current valve body 32 can be further moved to the most effective stage of condensing tube 43. The higher the height of the valve body 32 rises, the shorter the contact time between the subsequently discharged liquid phase oil-water mixture and the coolant, resulting in a relatively higher temperature and lower viscosity of the volatile oils in the liquid phase oil-water mixture, which can be understood as presupposing that the gaseous phase oil-water mixture must be completely condensed into the liquid phase oil-water mixture.

[0026] Furthermore, to facilitate adjustment and control of the valve body 32, a lifting rod 2, whose output end is connected to the valve body 32, may be provided on the side closer to the condenser 1, so that the valve body 32 can slide along its trajectory within the bypass pipe 31. In some selectable embodiments of this application, the lifting rod 2 may be an electric lifting rod or a hydraulic lifting rod. The manufacturer may electrically connect the temperature sensor provided at the outlet 42 to the lifting rod 2, where the electrical connection may be wireless or wired. The form of wireless connection includes, but is not limited to, Bluetooth® connection, WiFi, IF radio frequency, and Zigbee, and the form of wired connection includes, but is not limited to, a USB circuit connecting the temperature sensor and the lifting rod 2. Specific control involves acquiring temperature information of the liquid phase oil-water mixture fed back to the outlet 42 using the temperature sensor, analyzing the temperature information using a controller in the temperature sensor, and storing initial control data in the controller. To illustrate with an example, when the temperature of the liquid phase oil-water mixture is 10°C, the height of the corresponding valve body 32 is located at the open position of the bypass outlet 33 in the 9th stage condensing tube 43, and when the temperature of the liquid phase oil-water mixture is 20°C, the height of the corresponding valve body 32 is located at the open position of the bypass outlet 33 in the 7th stage condensing tube 43. The viscosity of the corresponding liquid phase oil-water mixture also differs at the above different temperatures. Here, the controller may be an MCU (Microcontroller Unit) chip, which controls the lifting height of the lifting rod 2 and drives the valve body 32 to adjust its height within the bypass pipe 31. The manufacturer can determine the viscosity of the liquid phase oil-water mixture based on its temperature, and by inputting control parameters via the controller, the lifting rod 2 drives the valve body 32 to adjust its operating height within the bypass pipe 31 in real time based on the feedback temperature, thereby ensuring the quality and yield of the liquid phase oil-water mixture subsequently discharged along the outlet 42, and making it convenient for the manufacturer's operation and use.

[0027] Furthermore, in this embodiment, each stage of the condensing pipe 43 is provided with a weir 44 that protrudes upward, causing condensed water to collect on the higher horizontal side of the weir 44. The outer shape of the weir 44 is designed to be an inverted V shape, and a bypass connection port 45 is provided at the bottom of the higher side of the weir 44.

[0028] Specifically, in the actual gasoline extraction process, water vapor evaporates preferentially before gasoline. Therefore, before the high-temperature gaseous oil-water mixture enters the condensing pipeline 4, a large amount of water vapor is preferentially introduced into the condensing pipe 43 via the supply port 41. The water vapor condenses in the pipe to become condensed water, which then passes through the condensing pipe 43. However, the weirs 44 provided in each stage of the condensing pipe 43 block the condensed water, causing it to collect on the higher horizontal side of the weir 44. When the water accumulated in the uppermost weir 44 exceeds the highest horizontal position of the weir 44, the water flows sequentially into the next stage of the condensing pipe 43. At the same time, the condensed water collects again in the weir 44 of the next stage of the condensing pipe 43 until it has accumulated in the weirs 44 of each stage of the condensing pipe 43, as shown in the hatched area of ​​the condensing pipe 43 at the very top in Figure 2 of the specification. At the same time, when the gaseous oil-water mixture enters the condensing tube 43 and condenses into a liquid-phase oil-water mixture, the area of ​​the condensing tube 43 near the weir 44 is covered with accumulated water. As a result, the liquid-phase oil-water mixture flows along the condensing tube 43 as if crawling on the water surface, causing the condensed liquid-phase oil-water mixture to flow on the water surface within the condensing tube. This prevents the viscosity of the volatile oil in the oil-water mixture from rapidly increasing due to the low temperature, and reduces contact between the light volatile oil in the oil-water mixture and the condensing tube. This reduces the loss due to the light volatile oil adhering to the inner wall of the condensing tube, thereby improving the volatile oil yield. The weir 44 provided in the condensing tube 43 can significantly reduce the yield loss of light volatile oil due to adhesion by 15% to 80%.

[0029] Specifically, the calculation for reducing the adhesion of volatile oil by the weir section 44 is as follows. By setting the radius inside the condensing tube as R (a constant) and constructing a coordinate system as shown in Figure 4, the following equation is obtained.

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[0030] Furthermore, as shown in Figure 6, this is a cross-section of the condensing tube when a normal condenser is condensing, where h1 is the height of the oil-water mixture, and the cross-sectional area of ​​the oil-water mixture is as follows:

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[0031] To further explain, in this application, the volatile oils in the oil-water mixture are all light volatile oils, and their specific characteristic is that their density is less than that of water. Therefore, as described above, the condensed liquid-phase oil-water mixture has the effect of flowing on the water surface in the condensing tube, and later the liquid-phase oil-water mixture can further fuse with the water accumulated in the weir section 44 and circulate normally, flowing along the condensing tube 43 towards the outlet 42. However, as the temperature gradually decreases, the light volatile oils in the condensed liquid-phase oil-water mixture become more viscous and more likely to adhere to the inner wall of the condensing tube 43, leading to a loss of volatile oils in the liquid-phase oil-water mixture and a decrease in the yield of light volatile oils.

[0032] As described above, first, the manufacturer can inject coolant into the condenser 1 via the coolant inlet 11, filling the condenser 1 and performing a pre-cooling treatment on the condensing tube 43 located inside it. Subsequently, by connecting the supply port 41 to the externally connected raw material discharge port, the oil-water mixture exhibiting a high-temperature gas phase can be passed through the condensing tube 43 along the supply port 41 to undergo condensation treatment and be converted into a liquid-phase oil-water mixture. Specifically, in the actual volatile oil extraction process, before the high-temperature gaseous oil-water mixture enters the condensing pipeline 4, a large amount of steam is first generated and preferentially introduced into the condensing pipe 43 via the supply port 41. The steam condenses inside the pipe to become condensed water, which then passes through the condensing pipe 43. However, the condensed water is blocked by weirs 44 provided in each stage of the condensing pipe 43, so the condensed water collects on the higher horizontal side of the weir 44. When the water accumulated in the uppermost weir 44 exceeds the highest horizontal position of the weir 44, the water flows along the uppermost condensing pipe 43 to the next stage of the condensing pipe 43. As the condensed water flows in, it accumulates in the weir 44 of each stage of the condensing tube 43 until it reaches the weir 44 of the next stage of the condensing tube 43. After that, the gaseous oil-water mixture enters the condensing tube 43 and condenses into a liquid-phase oil-water mixture. Because the part of the condensing tube 43 closest to the weir 44 is covered with the accumulated water, the liquid-phase oil-water mixture flows along the condensing tube 43 as if crawling on the water surface. This reduces contact between the oil-water mixture and the condensing tube 43, improving the volatile oil yield, resulting in a simpler and more reliable structure and lower operating energy consumption. Furthermore, as the temperature of the volatile oil in the liquid-phase oil-water mixture decreases, the viscosity of the volatile oil increases, requiring the liquid-phase oil-water mixture to be drained in a timely manner. Therefore, the manufacturer adjusts the height of the valve body 32 located between the multi-stage condensing tubes 43 upwards until the bypass outlet 33 is opened in the first-stage condensing tube 43, which has the highest condensation effect of the liquid-phase oil-water mixture. This allows the liquid-phase oil-water mixture to flow sequentially along the bypass outlet 33 in the first-stage condensing tube 43, which has the highest effect at that time, into the bypass pipe 31 connected to it, and then into the outlet 42 and out, thereby achieving the objective of adjusting the path of the condensing tube 43.

[0033] In this specification, any description referring to terms such as “one embodiment,” “several embodiments,” “example,” “specific example,” or “several examples” means that the specific features, structures, materials, or advantages described with reference to such embodiment or example are included in at least one embodiment or example of this application. In this specification, a general expression for the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or advantages described may be combined in appropriate form in any one or more embodiments or examples.

[0034] The above embodiments illustrate only a few embodiments of this application, and their descriptions are relatively specific and detailed, but this should not be understood as limiting the scope of the claims of this application. Furthermore, those skilled in the art can implement several modifications and improvements without departing from the spirit of the invention, all of which fall within the scope of the rights protected by this application. Therefore, the scope of the claims of this application should be in accordance with the attached claims.

Claims

1. A controllable condenser for light gasoline includes a condenser and a valve piping assembly fitted to the top of the condenser. The condenser includes a condensing pipeline provided inside, the valve piping assembly is provided adjacent to the condensing pipeline, and the condenser further includes a coolant inlet extending outward at the bottom and a coolant outlet extending outward away from the coolant inlet at the top. The valve piping assembly includes a bypass pipe fitted onto the top of the condenser and located inside the condensing pipeline, a plurality of bypass outlets extending from the bypass pipe toward the condensing pipeline, and a valve body movably provided within the bypass pipe for controlling the opening and closing of the plurality of bypass outlets. The condensing pipeline includes a supply port extending along the top of the condenser, a discharge port extending along the bottom of the condenser, a condensing pipe provided between the supply port and the discharge port to connect the supply port and the discharge port, and bypass connection ports extending from the inside of the condensing pipe toward the valve piping assembly and connected to a plurality of bypass guide ports, wherein the outer shape of the condensing pipe is designed in the shape of a multi-stage condensing pipe spiral, and each stage of the spiral pipe is inclined downward horizontally, and the oil-water mixture that flows into the bypass pipe along the bypass connection ports within the condensing pipe is directly guided out along the discharge port. A controllable condenser for light volatile oils, characterized by the following features.

2. Each stage of the condensing pipe is provided with a weir, and the condensed water is arranged to collect on the higher horizontal side of the weir in each stage of the condensing pipe. The adjustable condenser for light gasoline according to feature 1.

3. The aforementioned weir section is designed with an inverted V-shape in its outer form. The adjustable condenser for light gasoline according to feature 2.

4. The bypass connection port is located at the bottom of the higher side of the weir. The adjustable condenser for light gasoline according to feature 3.

5. The lifting rod is further provided adjacent to the condenser. The adjustable condenser for light gasoline according to feature 1.

6. The output end of the lifting rod is connected to the valve body, allowing the valve body to slide along its trajectory within the bypass pipe. The adjustable condenser for light gasoline according to feature 5.

7. The condensing pipe is provided with multiple weirs, and the bottom end of the bypass pipe is in communication with the outlet. The adjustable condenser for light gasoline according to feature 1.

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