Anti-freezing pressure sampling device
The antifreeze pressure sampling device uses a heat pipe and metal block to maintain temperature equilibrium, preventing pressure gauge freezing and ensuring operational continuity in cold regions.
Patent Information
- Application Number
- CN202421190052.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Pressure gauges in oil and water pipelines and storage tanks in cold regions are prone to freezing due to the solidification of medium within the narrow structure of the pressure gauge mounting seat and cavity, leading to operational disruptions.
An antifreeze pressure sampling device with a heat pipe and a metal heat dissipation limiting block that maintains the temperature of the sampling chamber close to that of the pipeline or storage tank, combined with a pressure relief valve for safe maintenance.
Prevents pressure gauges from freezing by maintaining temperature equilibrium, ensuring operational continuity and facilitating safe maintenance.
Smart Images
Figure CN222280028U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a pressure sampling device for a pressure gauge, in particular to an antifreeze pressure sampling device. Background Art
[0002] Pressure gauges are widely used in oil and water pipelines and storage tanks in oil fields. Due to my country's vast territory, many oil fields are located in high-altitude and cold regions such as the Northeast and Northwest. Pressure gauges installed on open-air pipelines are often frozen in winter. Once the pressure gauge is frozen, it will affect normal oil production operations.
[0003] The oil and water pipelines and storage tanks in the oil field do not freeze because the oil and water in the oil and water pipelines and storage tanks have a certain temperature. The main reason for the pressure gauge to be frozen is that when the medium water or oil in the oil and water pipelines and storage tanks enters the pressure gauge, the medium solidifies due to the low external environment temperature and the narrow structure of the pressure gauge mounting seat and pressure gauge cavity, causing the pressure gauge to be frozen or fail. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide an antifreeze pressure sampling device. After the utility model is applied in the cold winter in the north, the pressure gauge is not easily frozen.
[0005] In order to solve the above technical problems, the utility model provides an antifreeze pressure sampling device, comprising a valve body and a valve stem, wherein the valve body is provided with a valve seat, a medium inlet channel is formed on one side of the valve seat, and a medium outflow channel is formed on the other side, one end of the valve stem is sealed and extends into the valve body, a valve core which can be sealed and matched with the valve seat is formed at the end of the valve stem extending into the valve body, and a handle is arranged on the valve stem located outside the valve body; the utility model also includes a connecting block, a sampling chamber is arranged in the connecting block, a meter seat mounting hole is opened at the top of the connecting block, a pressure guide hole which communicates with the sampling chamber is opened at the center of the meter seat mounting hole, the connecting block is fixedly connected to the valve body, and the medium outflow channel is connected with the sampling chamber in the connecting block; the utility model also includes a heat pipe whose outer diameter is smaller than the inner diameter of the medium inlet channel, one end of the heat pipe extends into the sampling chamber after passing through the medium inlet channel and the heat pipe mounting hole opened on the valve body in sequence, and the other end is located outside the medium inlet channel, and a heat pipe sealing mechanism is arranged in the heat pipe mounting hole.
[0006] As an improvement of the present utility model, a metal heat dissipation limiting block is fixed on the heat pipe extending into the sampling chamber.
[0007] As a further improvement of the utility model, it also includes a pressure relief valve installed on the outer wall of the sampling chamber and communicated with the sampling chamber.
[0008] Furthermore, the heat pipe sealing mechanism arranged in the heat pipe installation hole is composed of a sealing ring located at the bottom and a sealing sleeve for pressing the sealing ring, and the sealing sleeve is threadedly connected to the hole wall of the heat pipe installation hole.
[0009] Furthermore, a sealing gasket is provided in the mounting hole of the meter base.
[0010] The antifreeze pressure sampling device adopts the above structure. When in use, the mounting seat of the pressure gauge is installed in the mounting hole of the gauge seat of the connecting block in the utility model. The sealing gasket in the mounting hole of the gauge seat can ensure that a good sealing fit is formed between the mounting seat of the pressure gauge and the connecting block. When measuring the pressure of oil or water in the oil field's oil or water pipeline or storage tank, the medium enters the channel seal and is inserted into the pipeline or tank body. At this time, the heat pipe in the utility model can extend into the pipeline or tank body.
[0011] The utility model has the following beneficial technical effects: 1. When the medium in the pipeline or storage tank enters the sampling chamber of the connecting block through the medium inlet channel and the medium outlet channel, the heat pipe can simultaneously conduct the temperature of the medium in the pipeline or storage tank to the sampling chamber of the connecting block, so that the temperature in the sampling chamber is close to the temperature in the measured pipeline or storage tank. Since the mounting seat of the pressure gauge is adjacent to the sampling chamber during installation, the temperature of the medium entering the pressure gauge is also close to the temperature of the medium in the pipeline or storage tank, so the pressure gauge is not easy to be frozen; 2. After the metal heat dissipation limit block is fixed on the heat pipe extending into the sampling chamber, on the one hand, the heat pipe can be prevented from falling off the valve body, and on the other hand, the metal heat dissipation limit block can increase the heat dissipation area, so that the temperature in the sampling chamber is closer to the temperature of the measured pipeline or storage tank; 3. After the pressure relief valve is installed on the outer wall of the sampling chamber, the pressure gauge is convenient for safe maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0013] Figure 1 The utility model is a cross-sectional structural schematic diagram of an antifreeze pressure sampling device.
[0014] Figure 2 yes Figure 1 A magnified schematic diagram of the structure at position I.
[0015] Figure 3 It is a schematic cross-sectional structural diagram of the utility model when a pressure gauge is installed on the connecting block. DETAILED DESCRIPTION
[0016] See also Figure 1 , Figure 2The utility model antifreeze pressure sampling device comprises a valve body 1 and a valve stem 2, wherein the valve body is provided with a valve seat 3, a medium inlet channel 4 is formed in one side of the valve seat, and a medium outlet channel 5 is formed in the other side, one end of the valve stem is sealed and extended into the valve body, a valve core 6 which can be sealed and matched with the valve seat is formed at the end of the valve stem extended into the valve body, and a handle 7 is installed on the valve stem located outside the valve body; it also comprises a connecting block 8, a sampling chamber 9 is arranged in the connecting block, a meter seat mounting hole 10 is opened on the top of the connecting block, and the meter seat mounting hole 10 is provided. A pressure-conducting hole 11 communicating with the sampling chamber is provided at the center of the mounting hole. The connecting block is fixedly connected to the valve body 1. The medium outflow channel 5 is connected with the sampling chamber in the connecting block. A heat pipe 12 having an outer diameter smaller than the inner diameter of the medium inlet channel 4 is also provided. One end of the heat pipe passes through the medium inlet channel and the heat pipe mounting hole 13 provided on the valve body in sequence and then extends into the sampling chamber 9. The other end is located outside the medium inlet channel. A heat pipe sealing mechanism is provided in the heat pipe mounting hole. A metal heat dissipation limit block 14 is fixed on the heat pipe extending into the sampling chamber 9. A pressure relief valve 15 is also provided on the outer wall of the sampling chamber 9 and communicated with the sampling chamber. The heat pipe sealing mechanism provided in the heat pipe mounting hole is composed of a sealing ring 16 located at the bottom and a sealing sleeve 17 for pressing the sealing ring. The sealing sleeve is threadedly connected to the hole wall of the heat pipe mounting hole. A sealing gasket 18 is provided in the meter seat mounting hole 10.
[0017] Figure 3 It is a schematic cross-sectional view of the structure when a pressure gauge 20 is installed on the connecting block in the utility model.
[0018] It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solution described in the embodiments of the utility model. Any modification or equivalent replacement of the utility model to achieve the same technical effect is within the protection scope of the utility model.
Claims
1. An antifreeze pressure sampling device, characterized in that: The invention comprises a valve body (1) and a valve stem (2), wherein the valve body is provided with a valve seat (3), a medium inlet channel (4) is formed in one side of the valve seat, and a medium outlet channel (5) is formed in the other side, one end of the valve stem is sealably extended into the valve body, a valve core (6) is formed at the end of the valve stem extended into the valve body and can be sealably matched with the valve seat, and a handle (7) is installed on the valve stem located outside the valve body; and the invention also comprises a connecting block (8), a sampling chamber (9) is arranged in the connecting block, a meter seat mounting hole (10) is opened at the top of the connecting block, and the center of the meter seat mounting hole is A pressure-conducting hole (11) communicating with the sampling chamber is opened at the position, the connection block is fixedly connected to the valve body (1), and the medium outflow channel (5) is connected to the sampling chamber in the connection block; it also includes a heat pipe (12) whose outer diameter is smaller than the inner diameter of the medium inlet channel (4), one end of the heat pipe passes through the medium inlet channel and the heat pipe installation hole (13) opened on the valve body in sequence and then extends into the sampling chamber (9), and the other end is located outside the medium inlet channel, and a heat pipe sealing mechanism is arranged in the heat pipe installation hole.
2. The antifreeze pressure sampling device according to claim 1, characterized in that: A metal heat dissipation limiting block (14) is fixed on the heat pipe extending into the sampling chamber (9).
3. The antifreeze pressure sampling device according to claim 1, characterized in that: It also includes a pressure relief valve (15) mounted on the outer wall of the sampling chamber (9) and communicating with the sampling chamber.
4. The antifreeze pressure sampling device according to claim 1, characterized in that: The heat pipe sealing mechanism arranged in the heat pipe installation hole is composed of a sealing ring (16) located at the bottom and a sealing pressing sleeve (17) used for pressing the sealing ring, and the sealing pressing sleeve is threadedly connected to the hole wall of the heat pipe installation hole.
5. The antifreeze pressure sampling device according to claim 1, characterized in that: A sealing gasket (18) is provided in the meter base mounting hole (10).