Carbon dioxide high-pressure combined steam valve

Abstract

The utility model discloses a carbon dioxide high-pressure combined steam valve, and relates to the field of valves. The carbon dioxide high-pressure combined steam valve comprises a valve unit, wherein the valve unit comprises a valve body and a valve cover; two communicated transmission cavities are formed in the valve body; a valve rod is movably inserted into the valve deck, and the end of the valve rod extends towards the interior of the transmission cavity and is fixedly provided with a valve clack. The valve cover is connected with an adjusting unit, the adjusting unit comprises an oil cylinder, a mounting frame and a positioning rod, a driving shaft is fixedly mounted at the output end of the oil cylinder, and the driving shaft penetrates through the mounting frame and is fixedly connected with the end part of the valve rod; one end of the positioning rod is fixedly connected to the outer side of the end of the driving shaft, and the other end of the positioning rod is connected with a stroke control assembly. According to the carbon dioxide high-pressure combined steam valve, the moving distance of the driving shaft can be detected and limited through the stroke control assembly, and therefore the moving distance of the valve rod can be controlled more accurately.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a carbon dioxide high-pressure combined steam valve. Background Art

[0002] High-pressure CO2 technology typically involves the storage, transmission, and control of high-pressure CO2. Under high pressure, CO2 can be efficiently compressed and stored for release and use when needed. The combined steam valve is a special valve that combines the main steam valve and the regulating steam valve into one unit. This design simplifies the system structure and improves the accuracy and reliability of valve control.

[0003] During use, the regulating steam valve can adjust the opening inside the main steam valve, thereby achieving the medium delivery rate. When transporting high-pressure carbon dioxide, the internal pressure is relatively high, so the regulating steam valve is required to accurately adjust the opening inside the main steam valve. The existing regulating steam valve has limited adjustment accuracy, which may affect the precise delivery of high-pressure carbon dioxide. Therefore, this application proposes a carbon dioxide high-pressure combined steam valve with high adjustment accuracy. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a carbon dioxide high-pressure combined steam valve, which solves the problem that the existing regulating steam valve has limited adjustment amplitude accuracy, which may affect the accurate delivery of high-pressure carbon dioxide.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A carbon dioxide high-pressure combined steam valve includes a valve unit, the valve unit including:

[0006] A valve body, wherein two interconnected transmission cavities are formed inside the valve body;

[0007] A valve cover, wherein a valve stem is movably inserted into the interior of the valve cover, and an end portion of the valve stem extends toward the interior of the transmission cavity and is fixedly mounted with a valve disc;

[0008] The valve cover is connected to an adjustment unit, and the adjustment unit includes:

[0009] An oil cylinder, wherein a drive shaft is fixedly mounted on the output end of the oil cylinder;

[0010] A mounting bracket, the mounting bracket being fixedly mounted between the valve cover and the oil cylinder, and the drive shaft passing through the mounting bracket and being fixedly connected to the end of the valve stem;

[0011] A positioning rod, one end of which is fixedly connected to the outside of the end of the driving shaft, and the other end of which is connected to a stroke control component.

[0012] Preferably, joint flanges are installed on both side outer walls of the valve body, and the joint flanges are connected to the transmission cavity.

[0013] Preferably, a sealing sleeve is fixedly installed on the inner wall of the transmission cavity, the two ends of the sealing sleeve are uncovered and a plurality of through grooves are provided on the outer ring surface, a sleeve filter is embedded on the outer ring surface of the sealing sleeve, and the valve flap is slidably arranged on the inner wall of the sealing sleeve.

[0014] Preferably, the stroke control component includes:

[0015] A mounting plate, the mounting plate being fixedly connected to an outer side of the mounting frame;

[0016] A displacement sensor, wherein the displacement sensor is fixedly mounted on the outside of the mounting plate, and a sensor probe is provided at one end of the displacement sensor, and the other end of the sensor probe is fixedly connected to the end of the positioning rod;

[0017] Two travel switches are installed on the outside of the mounting plate, and the output ends of the two travel switches are respectively located on both sides of the end of the positioning rod.

[0018] Preferably, a scale is embedded on the outer side of the mounting plate, and the scale is located below the end of the positioning rod.

[0019] The utility model discloses a carbon dioxide high-pressure combined steam valve, which has the following beneficial effects: during use, the carbon dioxide high-pressure combined steam valve utilizes an oil cylinder to drive a valve stem to move linearly through a drive shaft, thereby causing the valve disc at the end of the valve stem to move inside the transmission cavity, thereby conveniently realizing the on-off of the two transmission cavities inside the valve body, and can control the size of the passage in the transmission cavity according to the moving distance, thereby realizing the opening adjustment of the valve unit, and utilizing the stroke control component to detect and limit the moving distance of the drive shaft, thereby being able to more accurately control the moving distance of the valve stem. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic structural diagram of the valve unit of the utility model;

[0023] Figure 3 This is a structural sectional view of the valve unit of the utility model;

[0024] Figure 4 This is a partial structural diagram of the valve unit of the utility model;

[0025] Figure 5 This is a schematic structural diagram of the adjustment unit of the utility model;

[0026] Figure 6 This is a structural diagram of the stroke control component of the utility model.

[0027] In the figure: 1. Valve unit; 11. Valve body; 12. Transmission chamber; 13. Connector flange; 14. Valve cover; 15. Valve stem; 16. Valve disc; 17. Sealing sleeve; 18. Sleeve filter; 2. Adjustment unit; 21. Cylinder; 22. Mounting frame; 23. Drive shaft; 24. Positioning rod; 25. Stroke control assembly; 251. Mounting plate; 252. Displacement sensor; 253. Sensor probe; 254. Travel switch; 255. Scale. DETAILED DESCRIPTION

[0028] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0029] The embodiment of the utility model discloses a carbon dioxide high-pressure combined steam valve.

[0030] According to the attached Figure 1-6 As shown, it includes a valve unit 1, and the valve unit 1 includes:

[0031] The valve body 11 has two interconnected transmission cavities 12 formed therein;

[0032] A valve cover 14 is provided with a valve stem 15 movably inserted therein, and an end portion of the valve stem 15 extends toward the interior of the transmission cavity 12 and is fixedly provided with a valve flap 16;

[0033] The valve cover 14 is connected to the regulating unit 2, which includes:

[0034] The oil cylinder 21 has a drive shaft 23 fixedly mounted on its output end;

[0035] A mounting bracket 22 is fixedly mounted between the valve cover 14 and the oil cylinder 21 , and a drive shaft 23 passes through the mounting bracket 22 and is fixedly connected to the end of the valve stem 15 ;

[0036] The positioning rod 24 has one end fixedly connected to the outside of the end of the driving shaft 23 , and the other end of the positioning rod 24 is connected to the stroke control component 25 .

[0037] During use, the oil cylinder 21 can drive the valve stem 15 to move linearly through the drive shaft 23, so that the valve disc 16 at the end of the valve stem 15 moves inside the transmission cavity 12, which facilitates the opening and closing of the two transmission cavities 12 inside the valve body 11, and can control the size of the passage in the transmission cavity 12 according to the moving distance, thereby realizing the opening adjustment of the valve unit 1, and the travel control component 25 can detect and limit the moving distance of the drive shaft 23, so that the moving distance of the valve stem 15 can be more accurately controlled.

[0038] Furthermore, joint flanges 13 are installed on both side outer walls of the valve body 11 , and the joint flanges 13 are communicated with the transmission cavity 12 , so that the valve body 11 can be conveniently connected to an external carbon dioxide delivery pipe through the provided joint flanges 13 .

[0039] Furthermore, a sealing sleeve 17 is fixedly installed on the inner wall of the transmission cavity 12. The two ends of the sealing sleeve 17 are uncovered and a plurality of through grooves are provided on the outer ring surface. A sleeve filter 18 is embedded in the outer ring surface of the sealing sleeve 17, and the valve flap 16 is slidably set on the inner wall of the sealing sleeve 17.

[0040] By providing the sealing sleeve 17 and the plurality of through grooves, carbon dioxide can be transmitted inside and outside the sealing sleeve 17 through the plurality of through grooves, and the sleeve filter 18 embedded in the outer ring surface of the sealing sleeve 17 can be used to filter the transported gas.

[0041] Specifically disclosed, the stroke control assembly 25 includes:

[0042] A mounting plate 251, the mounting plate 251 is fixedly connected to the outer side of the mounting frame 22;

[0043] The displacement sensor 252 is fixedly mounted on the outside of the mounting plate 251 , and a sensor probe 253 is provided at the end of the displacement sensor 252 , and the other end of the sensor probe 253 is fixedly connected to the end of the positioning rod 24 ;

[0044] By providing the displacement sensor 252 and the sensor probe 253, the sensor probe 253 can be driven to move inside the displacement sensor 252 during the movement of the positioning rod 24, thereby enabling accurate detection of the displacement distance and facilitating control of the movement distance.

[0045] Two travel switches 254 are installed on the outside of the mounting plate 251 , and the output ends of the two travel switches 254 are respectively located on both sides of the end of the positioning rod 24 .

[0046] By setting up two travel switches 254 , the output ends of the two travel switches 254 are rotated to the two sides of the end of the positioning rod 24 respectively, and the moving distance of the positioning rod 24 can be limited according to the distance between the output ends of the two travel switches 254 .

[0047] Furthermore, a scale 255 is embedded on the outer side of the mounting plate 251 , and the scale 255 is located below the end of the positioning rod 24 .

[0048] During use, the oil cylinder 21 can drive the valve stem 15 to move linearly through the drive shaft 23, so that the valve disc 16 at the end of the valve stem 15 moves inside the transmission cavity 12, which facilitates the opening and closing of the two transmission cavities 12 inside the valve body 11, and can control the size of the passage in the transmission cavity 12 according to the moving distance, thereby realizing the opening adjustment of the valve unit 1, and the travel control component 25 can detect and limit the moving distance of the drive shaft 23, so that the moving distance of the valve stem 15 can be more accurately controlled.

[0049] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A carbon dioxide high-pressure combined steam valve, comprising a valve unit (1), characterized in that: The valve unit (1) comprises: A valve body (11), wherein two communicating transmission cavities (12) are provided inside the valve body (11); A valve cover (14), wherein a valve stem (15) is movably inserted into the interior of the valve cover (14), and an end portion of the valve stem (15) extends toward the interior of the transmission cavity (12) and is fixedly mounted with a valve flap (16); The valve cover (14) is connected to an adjustment unit (2), and the adjustment unit (2) comprises: An oil cylinder (21), wherein a drive shaft (23) is fixedly mounted on the output end of the oil cylinder (21); A mounting frame (22), wherein the mounting frame (22) is fixedly mounted between the valve cover (14) and the oil cylinder (21), and a drive shaft (23) passes through the mounting frame (22) and is fixedly connected to the end of the valve stem (15); A positioning rod (24), one end of which is fixedly connected to the outside of the end of the driving shaft (23), and the other end of which is connected to a stroke control component (25).

2. A carbon dioxide high-pressure combined steam valve according to claim 1, characterized in that: Joint flanges (13) are installed on both side outer walls of the valve body (11), and the joint flanges (13) are connected to the transmission cavity (12).

3. The carbon dioxide high-pressure combined steam valve according to claim 1, characterized in that: A sealing sleeve (17) is fixedly mounted on the inner wall of the transmission cavity (12), the two ends of the sealing sleeve (17) are uncovered and a plurality of through grooves are provided on the outer ring surface, a sleeve filter (18) is embedded in the outer ring surface of the sealing sleeve (17), and the valve flap (16) is slidably arranged on the inner wall of the sealing sleeve (17).

4. A carbon dioxide high-pressure combined steam valve according to claim 3, characterized in that: The stroke control component (25) comprises: A mounting plate (251), wherein the mounting plate (251) is fixedly connected to the outside of the mounting frame (22); A displacement sensor (252), wherein the displacement sensor (252) is fixedly mounted on the outside of the mounting plate (251), and a sensor probe (253) is provided at the end of the displacement sensor (252), and the other end of the sensor probe (253) is fixedly connected to the end of the positioning rod (24); Two travel switches (254) are installed on the outside of the mounting plate (251), and the output ends of the two travel switches (254) are respectively located on both sides of the end of the positioning rod (24).

5. A carbon dioxide high-pressure combined steam valve according to claim 4, characterized in that: A scale (255) is embedded on the outer side of the mounting plate (251), and the scale (255) is located below the end of the positioning rod (24).

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