Anti-blocking guide trapezoidal float valve tray plate

Abstract

The invention relates to the technical field of float valve towers, in particular to an anti-blocking guide trapezoidal float valve tray plate which comprises a plate and a trapezoidal valve deck, a plurality of valve holes are formed in the plate at equal intervals, a first sliding plate is fixedly connected to one side of the bottom face of the valve deck, and a second sliding plate is fixedly connected to the other side of the bottom face of the valve deck. According to the floating valve, the first sliding plate and the second sliding plate on the two sides of the bottom face of the valve cover serve as valve leg supports, the valve cover of the floating valve is erected on a valve hole in a plate through the first sliding plate and the second sliding plate on the two sides, a long-strip-shaped notch is formed between the valve cover and the plate, and the two sides of the valve plate are provided with elastic pieces made of adhesive films; the two sides of the valve cover are connected with the long-strip-shaped side edge plates through the elastic pieces, when the valve cover covers the valve hole, the side edge plates on the two sides can cover the two sides of the valve hole, and therefore impurities in fluid are prevented from being gathered to the joint of the valve cover and the valve hole to cause adhesion of the valve cover and the valve hole, the problem that the edge of the valve cover and the valve hole are tightly attached and bonded is solved, and the service life of the valve cover is prolonged. And meanwhile, the gas phase separation efficiency is greatly improved.

Description

Technical Field

[0001] This invention relates to the field of floating valve tower technology, and in particular to an anti-clogging guide trapezoidal floating valve tower plate. Background Technology

[0002] Existing floating valve trays, as internal components of desorption towers, serve to improve gas-liquid contact within the tower, facilitate installation and use by operators, and guide separation during operation, promoting gas-phase separation and uniform distribution. However, in existing floating valve tray structures, when the floating valve is closed, the valve cover directly covers the opening of the tray. When the mass transfer liquid is a gel-like substance or contains many impurities, during operation, the liquid flows horizontally on the tray, while the gas flows vertically upwards. Solids in the liquid tend to clog the tray, causing the valve cover edge to adhere to the tray or become completely blocked. This results in the floating valve's legs becoming blocked, preventing it from floating upwards, significantly impacting gas-phase separation, causing uneven distribution, and inconvenient operation. Therefore, there is an urgent need for an anti-clogging, guide trapezoidal floating valve tray that prevents the valve cover from sticking to the tray, prevents blocked valve legs from floating upwards, and significantly improves gas-phase separation efficiency.

[0003] A search revealed that patent document CN219502000U provides an anti-clogging guide trapezoidal float valve tray. This patent document describes an anti-clogging guide trapezoidal float valve tray, comprising a tray body with multiple valve holes evenly spaced on its surface. A float valve body is movably installed within each valve hole. The float valve body comprises a valve top cover and valve legs. The valve top cover is trapezoidal, with guide tongue holes on it. Both ends of the valve top cover are bent downwards to form valve legs, which consist of upper, middle, and lower parts. The upper part... The valve leg support has a floating leg in the middle and an opening latch at the bottom. The valve leg support has the same width as the valve top cover and is larger than the valve hole. The width of the floating leg is adapted to the valve hole and is smaller than the width of the valve leg support. The two ends of the floating leg and the valve leg support form a stepped shape that narrows. The valve top cover of the floating valve body is supported on the tray plate body by the valve leg supports at both ends, and a long strip-shaped exhaust port is formed between the valve top cover and the tray plate body. The height of the long strip-shaped exhaust port is 5mm to 15mm. A transverse air outlet is also formed in the middle of the valve leg support.

[0004] However, in practical applications, the following problems exist: impurities will adhere to the surface of the floating leg during long-term use, causing the floating leg to get stuck in the valve hole and resulting in valve hole blockage. Summary of the Invention

[0005] The purpose of this invention is to solve the problem of valve orifice blockage in the prior art, and to propose an anti-blockage guide trapezoidal floating valve tray.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: Design a clog-resistant guide trapezoidal floating valve tray, including a plate and a trapezoidal valve cover. The plate has multiple valve holes at equal intervals. A first sliding plate is fixed to one side of the bottom surface of the valve cover, and a second sliding plate is fixed to the other side of the bottom surface of the valve cover. Two vent holes are spaced apart on the valve cover. A guide plate is fixed to one side of the vent holes. The bottom of the first sliding plate is bent into a locking foot. A slot is opened at the top of the second sliding plate. A baffle is horizontally fixed to the top of the second sliding plate.

[0007] Preferably, the guide plate is inclined.

[0008] Preferably, a plurality of elastic elements are fixedly connected at equal intervals on the upper surface of the cover plate, and side plates are connected to the elastic elements.

[0009] Preferably, a sealing strip is fixedly connected to the bottom of the side plate.

[0010] Preferably, an arc-shaped groove plate is fixedly connected to the bottom of the outer wall of the second slide plate, and a hollow arc-shaped slider is slidably fitted inside the groove plate.

[0011] Preferably, a spring is fixedly connected to the bottom of the groove plate, and the top of the spring is connected to the slider.

[0012] Preferably, the valve cover is disposed on the valve hole.

[0013] The present invention proposes an anti-clogging guide trapezoidal floating valve tray plate, which has the following advantages: The first and second sliding plates on both sides of the bottom surface of the valve cover serve as valve leg supports, allowing the valve cover of the floating valve to be mounted on the valve hole on the plate via the first and second sliding plates. A long, narrow groove is formed between the valve cover and the plate, with a height of 5mm to 15mm, increasing the anti-clogging function of the entire valve body. Elastic members made of adhesive film are used on both sides of the valve plate, and long, narrow side plates are connected to both sides of the valve cover via these elastic members. When the valve cover covers the valve hole, the side plates cover both sides of the valve hole, preventing impurities in the fluid from accumulating at the junction of the valve cover and the valve hole, thus preventing them from sticking together. This not only solves the problem of the valve cover edge sticking tightly to the valve hole but also greatly improves the gas phase separation efficiency.

[0014] When using the extraction tower of this device: When the extraction column is under low load, the float valve cover rests on the tray body, and the rising airflow at the bottom of the tray flows out from the upward guide plate of the float valve cover and enters the upper layer of the tray for gas-liquid mass transfer and heat transfer. The gas flowing out from the two rows of float valve guide plates of the tray flows in opposite directions, as shown in the figure, forming a rotating airflow on the tray, increasing the gas-liquid mass transfer contact area, and improving the separation efficiency of the extraction column. When the load on the extraction column increases, the float valve begins to rise under the action of the bottom airflow. The trapezoidal float valve cover floats upward and leaves the column tray. The exhaust port area on the side of the float valve increases. Part of the rising airflow from the bottom of the column flows out from the upper guide plate of the valve cover, and the other part flows out from the side of the trapezoidal float valve. The outflow direction is parallel to the plane of the column tray, which makes the gas flow direction on the column tray more diversified and further increases the gas-liquid mass transfer area on the column tray, thereby improving the separation efficiency of the extraction column. When the load on the extraction column increases, the arc-shaped protrusion of the first leg of the trapezoidal float valve contacts the plate, and the exhaust port area on the side of the second leg float valve increases to its maximum. More gas flow from the bottom of the column flows out from the side of the trapezoidal float valve, and the outflow direction is parallel to the plane of the tray. This makes the gas flow direction on the tray more diversified and the swirling more intense, further increasing the gas-liquid mass transfer area on the tray, thereby improving the separation efficiency of the extraction column and greatly increasing the operational flexibility of the extraction column. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an anti-clogging guide trapezoidal floating valve tray proposed in this invention.

[0016] Figure 2 This is a schematic diagram of the valve hole structure of an anti-clogging guide trapezoidal floating valve tray plate proposed in this invention.

[0017] Figure 3 This is a schematic diagram of the valve cover structure of an anti-clogging guide trapezoidal float valve tray proposed in this invention. Figure 1 .

[0018] Figure 4 This is a schematic diagram of the valve cover structure of an anti-clogging guide trapezoidal float valve tray proposed in this invention. Figure 2 .

[0019] Figure 5 This is a schematic diagram of the valve cover structure of an anti-clogging guide trapezoidal float valve tray proposed in this invention. Figure 3 .

[0020] In the diagram: 1. Plate; 2. Valve hole; 3. Valve cover; 4. Guide plate; 5. Exhaust hole; 6. Side plate; 7. Sealing strip; 8. First slide plate; 9. Clamping foot; 10. Baffle; 11. Groove; 12. Second slide plate; 13. Groove plate; 14. Slider; 15. Spring. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0022] Reference Figures 1-5As shown, a clog-resistant guide trapezoidal floating valve tray includes a plate 1 and a trapezoidal valve cover 3. The plate 1 has multiple valve holes 2 at equal intervals. The valve cover 3 covers the valve holes 2. A first sliding plate 8 is fixed to one side of the bottom surface of the valve cover 3, and a second sliding plate 12 is fixed to the other side of the bottom surface of the valve cover 3. Two slots 11 are opened at intervals on the valve cover 3. A guide plate 4 is fixed to one side of the slot 11. The guide plate 4 is inclined. The bottom of the first sliding plate 8 is bent into a locking foot 9. The top of the second sliding plate 12 has a slot 11. A baffle 10 is horizontally fixed to the top of the second sliding plate 12.

[0023] Reference Figures 3-5 Multiple elastic elements 301 are fixedly connected at equal intervals on the upper surface of the cover plate 3. A side plate 6 is connected to the elastic element 301. A sealing strip 7 is fixedly connected to the bottom of the side plate 6. An arc-shaped groove plate 13 is fixedly connected to the bottom of the outer wall of the second slide plate 12. A hollow arc-shaped slider 14 is slidably fitted inside the groove plate 13. A spring 15 is fixedly connected to the bottom of the groove plate 13. The top of the spring 15 is connected to the slider 14.

[0024] In the specific implementation of this application, the horizontal slot 11 at the top of the second slide plate 12 is rectangular, and a horizontal baffle 10 is provided at the upper edge of the slot 11. The baffle 10 is coplanar with the valve cover 3 to prevent the gas from running upward during mass transfer. The bottom of the first slide plate 8 is provided with a locking foot 9, which is a limiting plate formed by bending the lower end of the first slide plate 8 outward. The bottom of the outer side of the second slide plate 12 is provided with an integrally formed arc-shaped groove plate 13. A cylindrical slider 14 is vertically slidably fitted inside the groove plate 13. When floating upward, the top of the slider 14 will press against the bottom surface of the valve cover 3 to achieve the purpose of locking.

[0025] This application uses the first sliding plate 8 and the second sliding plate 12 on both sides of the bottom surface of the valve cover 3 as valve leg supports, so that the valve cover 3 of the float valve is mounted on the valve hole 2 of the plate 1 through the first sliding plate 8 and the second sliding plate 12 on both sides, and an elongated groove 11 is formed between the valve cover 3 and the plate 1. The height of the elongated groove 11 is 5mm to 15mm, which increases the anti-clogging function of the entire valve body. The valve plate 3 is connected to the two sides by elastic members 301 made of adhesive film, and the two sides of the valve cover 3 are connected to the elongated side plates 6 through the elastic members 301. When the valve cover 3 covers the valve hole 2, the side plates 6 on both sides will cover the two sides of the valve hole 2, thereby preventing impurities in the fluid from accumulating at the junction of the valve cover 3 and the valve hole 2, causing them to stick together. This not only solves the problem of the valve cover 3 edge sticking to the valve hole 2, but also greatly improves the gas phase separation efficiency.

[0026] In this application, the liquid flows horizontally on plate 1, while the gas below flows vertically upward. The liquid containing solids is prone to clogging. As the liquid flows horizontally through plate 1, the solids will settle on plate 1. Since there is a long strip-shaped groove 11 between valve cover 3 and plate 1, the gas from bottom to top can only flow through the long strip-shaped groove 11. The gas flow has a directional exhaust and solid-pushing effect, so the solids around valve cover 3 cannot accumulate, thus preventing the valve body from floating and achieving the purpose of preventing clogging.

[0027] The float valve is designed in a trapezoidal shape. The valve cover 3 has two through vent holes 5. The vent holes 5 are equipped with two parallel and upwardly inclined guide plates 4. The two sides of the valve cover 3 are respectively connected to downwardly inclined side plates. The two ends of the side plates extend out of the edge of the valve cover 3. After the float valve is installed into the trapezoidal hole of the tray, the lower end of the first slide plate 8 is bent into a locking foot.

[0028] To ensure that the float valve does not corrode during long-term operation, the entire device is made of 304 stainless steel.

[0029] When using the extraction tower of this device:

[0030] When the extraction column is under low load, the float valve cover 3 rests on the tray body. The rising gas flow from the bottom of the tray flows out through the upward-sloping guide plate 4 of the float valve cover 3 and enters the upper layer of the tray for gas-liquid mass and heat transfer. The gas flowing out from the two rows of float valve guide plates of the tray flows in opposite directions. Figure 3 As shown, a rotating airflow is formed on the tray, which increases the gas-liquid mass transfer contact area and improves the separation efficiency of the extraction column.

[0031] When the load on the extraction column increases, the float valve begins to rise under the action of the bottom airflow. The trapezoidal float valve cover 3 floats upward and leaves the column tray. The exhaust port area on the side of the float valve increases. Part of the rising airflow from the bottom of the column flows out from the upper guide plate of the valve cover 3, and the other part flows out from the side of the trapezoidal float valve. The outflow direction is parallel to the plane of the column tray, which makes the gas flow direction on the column tray more diversified and further increases the gas-liquid mass transfer area on the column tray, thereby improving the separation efficiency of the extraction column.

[0032] When the load on the extraction column increases, the arc-shaped protrusion of the first leg of the trapezoidal float valve contacts the plate, and the exhaust port area on the side of the second leg float valve increases to its maximum. More gas flow from the bottom of the column flows out from the side of the trapezoidal float valve, and the outflow direction is parallel to the plane of the tray. This makes the gas flow direction on the tray more diversified and the swirling more intense, further increasing the gas-liquid mass transfer area on the tray, thereby improving the separation efficiency of the extraction column and greatly increasing the operational flexibility of the extraction column.

[0033] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A clog-resistant guide trapezoidal float valve tray, characterized in that, The device includes a plate (1) and a trapezoidal valve cover (3). The plate (1) has multiple valve holes (2) at equal intervals. A first sliding plate (8) is fixed to one side of the bottom surface of the valve cover (3), and a second sliding plate (12) is fixed to the other side of the bottom surface of the valve cover (3). Two exhaust holes (5) are opened at intervals on the valve cover (3). A guide plate (4) is fixed to one side of the exhaust hole (5). The bottom of the first sliding plate (8) is bent into a foot (9). A slot (11) is opened at the top of the second sliding plate (12). A baffle (10) is horizontally fixed to the top of the second sliding plate (12).

2. The anti-clogging guide trapezoidal floating valve tray plate according to claim 1, characterized in that, The guide plate (4) is set at an angle.

3. The anti-clogging guide trapezoidal floating valve tray plate according to claim 2, characterized in that, The cover plate (3) has multiple elastic elements (301) fixed at equal intervals on its upper surface, and the elastic elements (301) are connected to side plates (6).

4. The anti-clogging guide trapezoidal floating valve tray plate according to claim 4, characterized in that, A sealing strip (7) is fixed to the bottom of the side plate (6).

5. The anti-clogging guide trapezoidal floating valve tray plate according to claim 4, characterized in that, The bottom of the outer wall of the second slide plate (12) is fixed with an arc-shaped groove plate (13), and a hollow arc-shaped slider (14) is slidably fitted inside the groove plate (13).

6. The anti-clogging guide trapezoidal floating valve tray plate according to claim 5, characterized in that, A spring (15) is fixed to the bottom of the groove plate (13), and the top of the spring (15) is connected to the slider (14).

7. The anti-clogging guide trapezoidal floating valve tray plate according to claim 1, characterized in that, The valve cover (3) is placed over the valve hole (2).

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