Fluorine-lined angle valve with built-in temperature sensor

Abstract

The utility model relates to a fluorine-lined angle valve with a built-in temperature sensor, which comprises a valve body, a valve seat is mounted on the valve body, a valve core component is arranged in the valve body and the valve seat, the temperature sensor is mounted in the valve core component, and fluorine-lined layers cover the surfaces of the valve core component, the valve seat and the valve body. The valve element assembly comprises a valve element, a valve rod is connected to the lower portion of the valve element, a temperature sensor is installed in the valve element and the valve rod, a double-sealing structure and an anti-rotation structure are arranged between the temperature sensor and the valve element, the valve element and the valve rod are integrally formed, and a probe hole and a wire hole which are communicated are formed in the valve element and the valve rod from top to bottom. The temperature sensor comprises a temperature sensor probe and a temperature sensor wire which are connected, and the temperature sensor probe is located in the probe hole. By means of the temperature sensor arranged in the valve element assembly and the sealing protection structure of the temperature sensor, it can be effectively guaranteed that the temperature of a medium at an outlet in the bottom of the reaction kettle is continuously and accurately measured in the opening and closing process of the valve, and measured data are transmitted.

Description

Technical Field

[0001] The utility model belongs to the technical field of instrument control valves and relates to a fluorine-lined angle valve with a built-in temperature sensor. Background Art

[0002] In the production process of pharmaceutical, food and chemical industries, there are often some pipelines with high requirements for cleanliness. The valves used for such pipelines with high cleanliness requirements usually adopt fluorine-lined valves. In the production process, the temperature inside the reactor needs to be monitored according to the production process to achieve more accurate control of the production process, improve product quality and output, and increase economic benefits.

[0003] At present, most of the methods used to monitor the internal temperature of the reactor are to open a separate hole at the bottom and install a temperature sensor. The disadvantages of this method are that one more possible leakage point is added to the equipment; secondly, only the local area of ​​the temperature sensor probe can be measured, and it is difficult to measure the temperature at the bottom outlet of the reactor. This can easily lead to inadequate temperature control at the bottom of the reactor, increasing the risk of crystallization, material jamming, and wall hanging of the material. Therefore, it is particularly important to monitor the temperature at the bottom outlet of the reactor. Summary of the invention

[0004] The utility model aims to provide a fluorine-lined angle valve with a built-in temperature sensor, which can solve the above-mentioned problems and effectively ensure continuous and accurate measurement of the medium temperature at the bottom outlet of the reactor during the opening and closing of the valve.

[0005] According to the technical solution provided by the utility model: a fluorine-lined angle valve with a built-in temperature sensor includes a valve body, a valve seat is installed on the valve body, a valve core assembly is arranged in the valve body and the valve seat, a temperature sensor is installed in the valve core assembly, and the surface of the valve core assembly, the valve seat and the valve body are all covered with a fluorine-lined layer; the valve core assembly includes a valve core, a valve stem is connected below the valve core, a temperature sensor is installed in the valve core and the valve stem, and a double sealing structure and an anti-rotation structure are arranged between the temperature sensor and the valve core.

[0006] As a further improvement of the utility model, the valve core and the valve stem are integrally formed.

[0007] As a further improvement of the utility model, the valve core and the valve stem are provided with interconnected probe holes and wire holes from top to bottom. The temperature sensor includes a connected temperature sensor probe and a temperature sensor wire. The temperature sensor probe is located in the probe hole, and the temperature sensor wire is located in the wire hole.

[0008] As a further improvement of the utility model, the valve seat is inserted into the reactor, and the temperature sensor probe is located in the reactor; a threaded compression sleeve is sleeved on the outer periphery of the temperature sensor probe, and the threaded compression sleeve is threadedly connected to the valve core.

[0009] As a further improvement of the utility model, the outer periphery of the threaded pressing sleeve is provided with an external thread, and the probe hole is provided with an internal thread matching the external thread.

[0010] As a further improvement of the utility model, the double sealing structure includes a sealing gasket and an O-ring. A compression ring is provided in the middle of the threaded sleeve, the compression ring is tightly attached to the top surface of the valve core, a sealing groove is provided at the bottom of the compression ring, and the sealing gasket is embedded in the sealing groove; the O-ring is embedded in the probe hole, and the inner periphery of the O-ring presses against the outer periphery of the lower part of the threaded sleeve.

[0011] As a further improvement of the present invention, the anti-rotation structure includes an anti-rotation screw, and anti-rotation screw holes are opened on the side of the tightening ring in the middle of the threaded sleeve and the side of the top of the valve core, and the anti-rotation screw is threadedly installed in the anti-rotation screw hole.

[0012] As a further improvement of the utility model, a split ring is laid at the lower end of the probe hole, and the temperature sensor probe is placed on the split ring.

[0013] As a further improvement of the utility model, a disc spring is arranged below the split ring.

[0014] The positive effects of this application are:

[0015] 1. The utility model has a simple structure, convenient disassembly and assembly, easy maintenance and reliable performance.

[0016] 2. The utility model can effectively ensure the continuous and accurate measurement of the medium temperature at the bottom outlet of the reactor during the opening and closing of the valve, and transmit the measurement data, through the temperature sensor built into the valve core assembly and its sealing protection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model.

[0018] Figure 2 yes Figure 1 Enlarged view of part I.

[0019] Figure 3 yes Figure 1 Enlarged view of the threaded sleeve.

[0020] Figure 1-Figure 3 The valve body 1 includes a valve core assembly 1, a valve core 1.8, a valve stem 1.9, a valve seat 2, a valve body 3, etc. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed can also be "included" and "having"; for example, a process, method, system, product or device that can include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text expression.

[0025] like Figure 1 As shown, the utility model is a fluorine-lined angle valve with a built-in temperature sensor, comprising a valve body 3, a valve seat 2 is installed on the valve body 3, a valve core assembly 1 is provided in the valve body 3 and the valve seat 2, a temperature sensor 1.1 is installed in the valve core assembly 1, and the surfaces of the valve core assembly 1, the valve seat 2 and the valve body 3 are all covered with a fluorine-lined layer.

[0026] The valve core assembly 1 comprises a valve core 1.8, a valve stem 1.9 is connected to the lower part of the valve core 1.8, a temperature sensor 1.1 is installed in the valve core 1.8 and the valve stem 1.9, and a double sealing structure and an anti-rotation structure are arranged between the temperature sensor 1.1 and the valve core 1.8.

[0027] The valve core 1.8 and the valve stem 1.9 are integrally formed.

[0028] The valve core 1.8 and the valve stem 1.9 are provided with a probe hole and a wire hole 1.9.3 connected from top to bottom. The temperature sensor 1.1 includes a temperature sensor probe 1.1.1 and a temperature sensor wire 1.1.2 connected to each other. The temperature sensor probe 1.1.1 is located in the probe hole, and the temperature sensor wire 1.1.2 is located in the wire hole 1.9.3.

[0029] The valve seat 2 is inserted into the reactor, and the temperature sensor probe 1.1.1 is located in the reactor. In order to protect the temperature sensor probe 1.1.1 from corrosion in the reactor, a threaded sleeve 1.2 is sleeved on the outer periphery of the temperature sensor probe 1.1.1, and the threaded sleeve 1.2 is threadedly connected to the valve core 1.8.

[0030] The outer periphery of the threaded compression sleeve 1.2 is provided with an external thread, and the probe hole is provided with an internal thread matching the external thread.

[0031] The double sealing structure includes a sealing gasket 1.3 and an O-ring 1.5. A compression ring is provided in the middle of the threaded sleeve 1.2. The compression ring is close to the top surface of the valve core 1.8. A sealing groove is provided at the bottom of the compression ring. The sealing gasket 1.3 is embedded in the sealing groove. The O-ring 1.5 is embedded in the probe hole. The inner circumference of the O-ring 1.5 is against the outer circumference of the lower part of the threaded sleeve 1.2. A double redundant sealing structure of sealing gasket 1.3 and O-ring 1.5 is used between the valve core 1.8 and the threaded sleeve 1.2.

[0032] The anti-rotation structure comprises an anti-rotation screw 1.4. Anti-rotation screw holes are provided on the side of the clamping ring in the middle of the threaded sleeve 1.2 and the side of the top of the valve core 1.8. The anti-rotation screw 1.4 is threadedly installed in the anti-rotation screw hole.

[0033] In order to prevent the temperature sensor probe 1.1.1 from falling into the wire hole 1.9.3 from the probe hole, a split ring 1.6 is laid at the lower end of the probe hole, and the temperature sensor probe 1.1.1 is placed on the split ring 1.6.

[0034] A disc spring 1.7 is arranged below the split ring 1.6 to provide support for the temperature sensor probe 1.1.1 and ensure that the temperature sensor probe 1.1.1 is in contact with the threaded sleeve 1.2.

[0035] The temperature sensor wire 1.1.2 passes through the wire hole 1.9.3 and is connected to the temperature control instrument system.

[0036] The threaded sleeve 1.2 is made of corrosion-resistant metal material, such as titanium alloy.

[0037] The positioning step of the valve seat 2 is inserted into the positioning stop of the valve body 3 .

[0038] The valve core 1.8 forms a sealing pair with the sealing surface of the valve seat 2, and the threaded end of the valve stem 1.9 passes through the stuffing box of the valve body 3.

[0039] The valve body 3 adopts an angle structure, and the dead zone of the valve cavity is small.

[0040] like Figure 3 As shown, the outer circle of the threaded sleeve 1.2 is designed to be flat and square, which is convenient for tightening the thread.

[0041] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A fluorine-lined angle valve with a built-in temperature sensor, comprising a valve body (3), a valve seat (2) mounted on the valve body (3), a valve core assembly (1) disposed in the valve body (3) and the valve seat (2), characterized in that: A temperature sensor (1.1) is installed in the valve core assembly (1), and the surfaces of the valve core assembly (1), the valve seat (2), and the valve body (3) are all covered with a fluorine lining layer; the valve core assembly (1) includes a valve core (1.8), and a valve stem (1.9) is connected below the valve core (1.8); the temperature sensor (1.1) is installed in the valve core (1.8) and the valve stem (1.9), and a double sealing structure and an anti-rotation structure are provided between the temperature sensor (1.1) and the valve core (1.8).

2. The fluorine-lined angle valve with a built-in temperature sensor according to claim 1, characterized in that: The valve core (1.8) and the valve stem (1.9) are integrally formed.

3. The fluorine-lined angle valve with a built-in temperature sensor according to claim 1, characterized in that: The valve core (1.8) and the valve stem (1.9) are provided with a probe hole and a wire hole (1.9.3) connected from top to bottom. The temperature sensor (1.1) includes a temperature sensor probe (1.1.1) and a temperature sensor wire ( 1.1.2), the temperature sensor probe (1.1.1) is located in the probe hole, and the temperature sensor wire (1.1.2) is located in the wire hole (1.9.3).

4. The fluorine-lined angle valve with a built-in temperature sensor according to claim 1, characterized in that: The upper part of the valve seat (2) is inserted into the reactor, and the temperature sensor probe (1.1.1) is located in the reactor; a threaded compression sleeve (1.2) is sleeved on the outer periphery of the temperature sensor probe (1.1.1), and the threaded compression sleeve (1.2) is threadedly connected to the valve core (1.8).

5. The fluorine-lined angle valve with a built-in temperature sensor according to claim 4, characterized in that: The outer periphery of the threaded compression sleeve (1.2) is provided with an external thread, and the probe hole is provided with an internal thread matching the external thread.

6. The fluorine-lined angle valve with a built-in temperature sensor according to claim 1, characterized in that: The double sealing structure comprises a sealing gasket (1.3) and an O-ring (1.5). A compression ring is provided in the middle of the threaded sleeve (1.2), the compression ring is closely attached to the top surface of the valve core (1.8), a sealing groove is provided at the bottom of the compression ring, and the sealing gasket (1.3) is embedded in the sealing groove; the O-ring (1.5) is embedded in the probe hole, and the inner periphery of the O-ring (1.5) abuts against the outer periphery of the lower part of the threaded sleeve (1.2).

7. The fluorine-lined angle valve with a built-in temperature sensor according to claim 1, characterized in that: The anti-rotation structure comprises an anti-rotation screw (1.4), and anti-rotation screw holes are provided on the side of the clamping ring in the middle of the threaded sleeve (1.2) and the side of the top of the valve core (1.8), and the anti-rotation screw (1.4) is threadedly installed in the anti-rotation screw hole.

8. The fluorine-lined angle valve with a built-in temperature sensor according to claim 1, characterized in that: A split ring (1.6) is laid at the lower end of the probe hole, and the temperature sensor probe (1.1.1) is placed on the split ring (1.6).

9. The fluorine-lined angle valve with a built-in temperature sensor according to claim 8, characterized in that: A disc spring (1.7) is arranged below the split ring (1.6).

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