Gas-liquid separation device of low-temperature evaporator

Abstract

The gas-liquid separation device comprises a separation box body, the outer surface of the separation box body is fixedly connected with a separation mechanism, the inner wall of the separation mechanism is fixedly connected with a detection mechanism, and the separation mechanism comprises a separation shell fixedly connected to the upper surface of the separation box body. The inner wall of the separation shell is fixedly connected with a fixing frame. The gas-liquid separation device facilitating the low-temperature evaporator belongs to the technical field of gas-liquid separation devices. According to the gas-liquid separation device convenient for the low-temperature evaporator, the centrifugal suction fan is started, negative pressure is generated during operation, the gas filtering speed is remarkably increased, a gas-liquid mixture rapidly passes through the flow equalizing plate, the flow guide plate and other multi-stage separation assemblies under the action of the negative pressure, liquid drops are separated at the position of the flow guide plate and the metal net through inertia, and fine impurities are further intercepted through the filter screen; compared with a traditional separation mode, the device shortens the separation time and improves the separation efficiency of gas and liquid.

Description

Technical Field

[0001] This utility model relates to the technical field of gas-liquid separation devices, specifically a gas-liquid separation device for a low-temperature evaporator. Background Technology

[0002] In industrial production fields such as chemical, pharmaceutical, and food processing, low-temperature evaporators are core equipment for processes such as material concentration and solvent recovery. Based on the boiling point characteristics of substances, they reduce the pressure or temperature of the evaporation environment to allow liquid substances to boil and vaporize under conditions below their conventional boiling point.

[0003] Existing gas-liquid separation devices mostly use a single gravity sedimentation or simple filter method. Gravity sedimentation relies on the natural falling of droplets for separation, and separation is achieved solely by the difference between the droplet's own gravity and the gas flow rate. Under high flow rate conditions, tiny droplets are very easy to escape with the airflow, thus resulting in low gas-liquid separation efficiency.

[0004] Therefore, this utility model provides a gas-liquid separation device for a low-temperature evaporator to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a gas-liquid separation device for a low-temperature evaporator, which solves the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a gas-liquid separation device for a low-temperature evaporator, comprising a separation chamber, a separation mechanism fixedly connected to the outer surface of the separation chamber, a detection mechanism fixedly connected to the inner wall of the separation mechanism, the separation mechanism including a separation shell fixedly connected to the upper surface of the separation chamber, a fixing frame fixedly connected to the inner wall of the separation shell, a metal mesh fixedly connected to the inner wall of the fixing frame, a flow guide plate and a flow equalization plate fixedly connected to the inner wall of the separation chamber, a centrifugal fan fixedly connected to the upper surface of the separation shell, a humidity sensor fixedly connected to the inner wall of the separation shell, a sliding frame slidably connected to the outer surface of the separation shell, a filter screen fixedly connected to the inner wall of the sliding frame, and a control panel fixedly connected to the outer surface of the separation chamber.

[0007] Furthermore, the guide plates are spaced apart on the inner wall of the separation chamber, and the flow equalization plate is located below the guide plates.

[0008] By adopting the above technical solution, the flow equalization plate can easily blow the gas containing moisture evenly onto the outer surface of the flow guide plate.

[0009] Furthermore, the metal mesh is disposed above the guide plate and below the filter screen.

[0010] Using the above technical solution, the moisture-laden gas impacts the outer surface of the guide plate and the metal mesh, which facilitates the interception of moisture. Under the action of gravity, the water droplets fall onto the inner wall of the separation chamber.

[0011] Furthermore, one end of the filter screen is fixedly connected to a mounting plate through the outer surface of the separation housing.

[0012] By adopting the above technical solution, the filter screen can be easily slid out of the housing by pulling the mounting plate, which makes it easy to replace the filter screen.

[0013] Furthermore, the outer surface of the mounting plate is threaded with mounting bolts, which are threaded onto the outer surface of the separate housing.

[0014] By adopting the above technical solution, the mounting plate can be easily positioned by rotating the mounting bolts, thus preventing the mounting plate from separating from the outer casing.

[0015] Furthermore, an air inlet is fixedly connected to the outer surface of the separation chamber, the air inlet being located below the flow equalization plate, and a liquid outlet valve is fixedly connected to the outer surface of the separation chamber, the liquid outlet valve being located below the air inlet.

[0016] Using the above technical solution, the gas and liquid mixture generated by the low-temperature evaporator can be easily injected into the separation chamber through the air inlet, and the liquid in the separation chamber can be easily discharged by activating the liquid outlet valve.

[0017] Beneficial effects

[0018] This invention provides a gas-liquid separation device for a low-temperature evaporator. Compared with the prior art, it has the following advantages:

[0019] 1. This gas-liquid separation device, which facilitates the operation of low-temperature evaporators, generates negative pressure by starting a centrifugal suction fan, which significantly accelerates the gas filtration speed. Under the action of negative pressure, the gas-liquid mixture quickly passes through multi-stage separation components such as flow equalization plates and flow guide plates. At the flow guide plate and metal mesh, liquid droplets are separated by inertia, and the filter screen further intercepts fine impurities. Compared with traditional separation methods, this device shortens the separation time and improves the separation efficiency of gas and liquid.

[0020] 2. This gas-liquid separation device, which facilitates the operation of low-temperature evaporators, provides timely feedback of humidity sensor data through the control panel, enabling intelligent regulation. When the humidity is too high, the combination design of the filter screen, mounting plate, and mounting bolts makes filter screen replacement simple and quick, ensuring continuous and stable operation of the device. Attached Figure Description

[0021] 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 from these drawings without creative effort.

[0022] Figure 1 This is a perspective view of the external structure of this utility model;

[0023] Figure 2 This is a front sectional view of the structure of this utility model;

[0024] Figure 3 This is a side sectional view of the structure of this utility model;

[0025] Figure 4 This is a top sectional view of the structure of this utility model.

[0026] In the diagram: 1. Separation chamber; 2. Separation mechanism; 201. Centrifugal fan; 202. Flow equalization plate; 203. Flow guide plate; 204. Fixing frame; 205. Separation shell; 206. Metal mesh; 3. Detection mechanism; 301. Control panel; 302. Sliding frame; 303. Humidity sensor; 304. Filter screen; 305. Mounting plate; 306. Mounting bolts; 4. Air inlet; 5. Liquid outlet valve. Detailed Implementation

[0027] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0028] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0029] Reference Figures 1 to 4This application provides a gas-liquid separation device for a low-temperature evaporator, including a separation chamber 1. A separation mechanism 2 is fixedly connected to the outer surface of the separation chamber 1, and a detection mechanism 3 is fixedly connected to the inner wall of the separation mechanism 2. The separation mechanism 2 includes a separation shell 205 fixedly connected to the upper surface of the separation chamber 1. A fixing frame 204 is fixedly connected to the inner wall of the separation shell 205, and a metal mesh 206 is fixedly connected to the inner wall of the fixing frame 204. A flow guide plate 203 and a flow equalization plate 202 are fixedly connected to the inner wall of the separation chamber 1, and a centrifugal suction fan 201 is fixedly connected to the upper surface of the separation shell 205.

[0030] Furthermore, the guide plates 203 are spaced apart on the inner wall of the separation chamber 1, and the flow equalization plate 202 is located below the guide plates 203. The metal mesh 206 is located above the guide plates 203 and below the filter screen 304. One end of the filter screen 304 passes through the outer surface of the separation shell 205 and is fixedly connected to the mounting plate 305. The filter screen 304 is made of polytetrafluoroethylene, which hardly reacts with any chemical substances. In the separation scenario of highly corrosive gas-liquid mixtures, it has unparalleled corrosion resistance advantages.

[0031] In this embodiment, a multi-stage separation structure consisting of a flow equalization plate 202, a flow guide plate 203, a metal mesh 206, and a filter screen 304 is employed. The flow equalization plate 202 first evenly distributes the gas-liquid mixture. The flow guide plate 203 and the metal mesh 206 separate and intercept the liquid droplets from the gas in stages through inertial separation and interception. Finally, the filter screen 304 further filters out fine droplets and impurities, ensuring that the humidity of the separated gas meets the standard and providing a pure gas source for subsequent processes. The centrifugal suction fan 201 is started, generating negative pressure during operation, which significantly accelerates the gas filtration speed. Under the action of negative pressure, the gas-liquid mixture quickly passes through the multi-stage separation components such as the flow equalization plate 202 and the flow guide plate 203. The droplets are separated by inertia at the flow guide plate 203 and the metal mesh 206, and the filter screen 304 further intercepts fine impurities. Compared with traditional separation methods, this device shortens the separation time and improves the separation efficiency of gas and liquid.

[0032] Reference Figures 1 to 4 In one aspect of this embodiment, the detection mechanism 3 includes a humidity sensor 303 fixedly connected to the inner wall of the separation housing 205, and a sliding frame 302 is slidably connected to the outer surface of the separation housing 205. A filter screen 304 is fixedly connected to the inner wall of the sliding frame 302, and a control panel 301 is fixedly connected to the outer surface of the separation box 1.

[0033] Furthermore, the outer surface of the mounting plate 305 is threaded with mounting bolts 306, which are threaded onto the outer surface of the separation housing 205. The outer surface of the separation chamber 1 is fixedly connected with an air inlet 4, which is located below the flow equalization plate 202. The outer surface of the separation chamber 1 is also fixedly connected with a liquid outlet valve 5, which is located below the air inlet 4.

[0034] In this embodiment, the control panel 301 provides timely feedback of the data from the humidity sensor 303 to achieve intelligent control. When the humidity is too high, the combination design of the filter screen 304, the mounting plate 305, and the mounting bolts 306 makes the filter screen replacement operation simple and quick, ensuring the continuous and stable operation of the device.

[0035] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0036] Working Principle: When the gas and liquid mixture generated by the low-temperature evaporator is injected into the separation chamber 1 through the air inlet 4, the mixture first reaches below the flow equalization plate 202. The flow equalization plate 202 plays its role in evenly distributing the airflow, guiding the gas containing moisture to the upper guide plate 203. During the upward movement of the mixture, the liquid droplets carried by the gas, upon impacting the outer surface of the guide plate 203, are separated from the airflow due to inertia and drip to the bottom of the separation chamber 1 under the action of gravity. The portion of the gas-liquid mixture that is not intercepted by the guide plate 203 continues to rise, impacting the metal mesh 206 fixed on the fixed frame 204. The metal mesh 206 further intercepts the residual liquid droplets in the gas, causing more droplets to slide down the surface of the metal mesh 206 to the bottom of the separation chamber 1 under the influence of gravity. During the separation process, the centrifugal suction fan 201, installed on the upper surface of the separation shell 205, continuously operates, forming a negative pressure. The gas-liquid mixture flows upward, enhancing the gas-liquid separation effect, and the separated gas is discharged through the separation shell 205. At the same time, the humidity sensor 303 on the inner wall of the separation shell 205 monitors the humidity of the separated gas in real time, and the data is fed back to the control panel 301 on the surface of the separation chamber 1. If abnormal gas humidity is detected, the filter screen 304 can be slid out of the separation shell 205 for replacement by pulling the mounting plate 305 connected to the filter screen 304. After replacement, the mounting plate 305 is fixed to the separation shell 205 by rotating the mounting bolt 306 to ensure normal operation of the device. The liquid accumulated at the bottom of the separation chamber 1 can be discharged by opening the liquid outlet valve 5, completing the entire gas-liquid separation process.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gas-liquid separation device for a low-temperature evaporator, comprising a separation tank (1), characterised in that: The outer surface of the separation box (1) is fixedly connected to a separation mechanism (2), and the inner wall of the separation mechanism (2) is fixedly connected to a detection mechanism (3). The separation mechanism (2) includes a separation shell (205) fixedly connected to the upper surface of the separation box (1), a fixed frame (204) fixedly connected to the inner wall of the separation shell (205), a metal mesh (206) fixedly connected to the inner wall of the fixed frame (204), a flow guide plate (203) and a flow equalization plate (202) fixedly connected to the inner wall of the separation box (1), and a centrifugal fan (201) fixedly connected to the upper surface of the separation shell (205). The detection mechanism (3) includes a humidity sensor (303) fixedly connected to the inner wall of the separation shell (205), and a sliding frame (302) is slidably connected to the outer surface of the separation shell (205). A filter screen (304) is fixedly connected to the inner wall of the sliding frame (302), and a control panel (301) is fixedly connected to the outer surface of the separation box (1).

2. A gas-liquid separation device for a cryogenic evaporator as defined in claim 1, characterized in that: The flow guides (203) are spaced apart on the inner wall of the separation box (1), and the flow equalization plate (202) is located below the flow guides (203).

3. A gas-liquid separation device for a cryogenic evaporator as defined in claim 2, characterized in that: The metal mesh (206) is disposed above the guide plate (203) and below the filter screen (304).

4. The gas-liquid separation device for a low-temperature evaporator according to claim 1, characterized in that: One end of the filter screen (304) passes through the outer surface of the separation shell (205) and is fixedly connected to the mounting plate (305).

5. A gas-liquid separation device for a cryogenic evaporator as claimed in claim 4, characterized in that: The outer surface of the mounting plate (305) is threaded with mounting bolts (306), which are threaded onto the outer surface of the separate housing (205).

6. A gas-liquid separation device for a cryogenic evaporator as claimed in claim 5, characterized in that: An air inlet (4) is fixedly connected to the outer surface of the separation box (1). The air inlet (4) is located below the flow equalization plate (202). A liquid outlet valve (5) is fixedly connected to the outer surface of the separation box (1). The liquid outlet valve (5) is located below the air inlet (4).

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