Circulation self-balancing skid-mounted structure of non-normal-temperature medium overflowing part
By setting up components such as metering pumps, pressure regulating valves and constant temperature return pipes in the skid-mounted structure, the problem of the external environment affected by the transportation process is solved, and the stable transportation and purity of the medium is achieved.
Patent Information
- Application Number
- CN202422242980.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-12
AI Technical Summary
In chemical companies, very temperature media is easily affected by the external environment during the conveying process in the skid-mounted structure, resulting in unstable transportation.
The circulating self-balancing skid assembly structure is adopted. By setting up components such as metering pumps, pressure regulating valves, temperature transmitters, solenoid valves and constant temperature return pipes on the inlet and outlet pipes, the pressure and temperature of the medium are automatically adjusted to ensure the stability of the medium during the transportation process.
It realizes automatic adjustment of the pressure and temperature of the medium during the transportation process, avoids the impact of changes in the external environment on the medium state, and ensures the stable transportation and purity of the medium.
Smart Images
Figure CN223170364U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of chemical transportation technology, and particularly to a circulating self-balancing skid-mounted structure for the flow-through part of non-ambient-temperature media. Background Art
[0002] High-pressure extraction of non-ambient-temperature liquids is a technology that uses subcritical fluids as extractants. This technology utilizes subcritical fluids in a closed, oxygen-free, and low-pressure pressure vessel. Based on the principle of similar solubility of organic substances, through the molecular diffusion process between the extraction material and the extractant during the soaking process, the fat-soluble components in the solid material are transferred to the liquid extractant, and then the extractant and the target product are separated through the process of vacuum evaporation, ultimately obtaining a new extraction and separation technology for the target product.
[0003] A skid-mounted unit is a form of production equipment that fixes equipment on a chassis for easy movement and installation. During the high-pressure extraction of non-ambient-temperature media in chemical enterprises, it is often necessary to use a skid-mounted unit in cooperation with a metering pump to transport non-ambient-temperature media to a specific container. However, due to the characteristics of some media being very unstable at normal temperature, they are prone to being affected by the external environment and becoming unstable during the movement inside the skid-mounted unit. Utility Model Content
[0004] In order to enable the skid-mounted structure to smoothly transport non-ambient-temperature media during the high-pressure extraction process and achieve a stable transportation effect without being affected by changes in the external environment, the present application provides a circulating self-balancing skid-mounted structure for the flow-through part of non-ambient-temperature media.
[0005] The circulating self-balancing skid-mounted structure for the flow-through part of non-ambient-temperature media provided by the present application adopts the following technical solutions:
[0006] A circulating self-balancing skid-mounted structure for the flow-through part of non-ambient-temperature media includes a chassis, a liquid inlet pipe, and a liquid outlet pipe. Liquid inlet valves and liquid outlet valves are respectively installed at the positions of the ports of the liquid inlet pipe and the liquid outlet pipe that are far away from each other. The ports of the liquid inlet pipe and the liquid outlet pipe that are close to each other are jointly connected to a metering pump for guiding the medium and pressurizing the medium. A pressure transmitter and a temperature transmitter are arranged in the liquid inlet pipe. A reflux chamber is provided in the metering pump, and a pressure regulating valve with one end communicated with the reflux chamber is fixedly installed on the metering pump. The end of the liquid inlet pipe extending into the metering pump is communicated with both the liquid outlet pipe and the reflux chamber, and an electromagnetic valve for controlling the flow direction of the medium is installed at the end of the liquid inlet pipe close to the metering pump. The pressure transmitter, the temperature transmitter, the pressure regulating valve, and the electromagnetic valve are all electrically connected, and the metering pump is connected with a reflux assembly.
[0007] By adopting the above technical solution, when the medium is fed into the skid-mounted structure, it will first enter the reflux chamber inside the metering pump under the drive of the solenoid valve. At this time, under the action of the pressure regulating valve, the medium will be pressurized to the established temperature and pressure. Then it enters the liquid inlet pipe through the reflux assembly, and then passes through the metering pump again. At this time, the solenoid valve is closed, so the medium will be transported by the metering pump to the liquid outlet pipe, realizing the pressure and temperature regulation of the non-constant temperature medium, so that it can be smoothly transported without being affected by the environment. Among them, the main functions of the pressure transmitter and the temperature transmitter are to monitor the medium and transmit the obtained monitoring data to the pressure regulating valve, so that it can regulate the medium in the reflux chamber.
[0008] Optionally, the reflux assembly includes a three-way valve installed on the liquid inlet pipe and a constant-temperature reflux pipe passing through the metering pump and having one end communicated with the reflux chamber. The end of the constant-temperature reflux pipe away from the metering pump is fixedly connected to the three-way valve.
[0009] By adopting the above technical solution, the medium can be smoothly converged and transported to the liquid outlet pipe. And because the constant-temperature reflux pipe is adopted, the pressure and temperature of the medium can be avoided from changing during the medium transportation process. At the same time, the three-way valve can avoid the medium in the liquid inlet pipe from directly entering the constant-temperature reflux pipe, ensuring the effectiveness of the system for regulating the pressure of the non-constant temperature medium.
[0010] Optionally, a supplementary mechanism for pressure compensation of the container for containing the supplied medium is further provided on the liquid inlet pipe. The supplementary mechanism includes a gas-phase reflux pipe communicated with the constant-temperature reflux pipe and an electric valve installed inside the gas-phase reflux pipe. The end of the gas-phase reflux pipe away from the electric valve extends into the container, and a switching valve is provided on the gas-phase reflux pipe between the container and the electric valve.
[0011] By adopting the above technical solution, the medium vaporizes inside the gas-phase reflux pipe, and then is re-discharged into the container through the control of the electric valve, so as to maintain the air pressure inside the container unchanged, and the problem that the liquid inlet inside the liquid inlet pipe is difficult due to the decrease of the internal pressure of the container after a part of the medium is discharged from the container can be avoided.
[0012] Optionally, an air pump for pre-aspirating the air inside the overall skid-mounted structure is provided on the liquid inlet pipe between the liquid inlet valve and the three-way valve.
[0013] By adopting the above technical solution, the air pump, in cooperation with the supplementary mechanism and the three-way valve, can discharge the air inside the overall skid-mounted structure before the medium is transported, so as to create a vacuum environment, thereby ensuring the purity of the medium transportation.
[0014] In summary, the present application includes at least one of the following beneficial technical effects:
[0015] 1. By arranging a pressure regulating structure inside the metering pump and the skid-mounted conveying structure, the present application can regulate the pressure and temperature of the non-ambient-temperature and unstable medium entering the skid-mounted structure, so as to avoid the change of the medium state caused by the change of the external environment;
[0016] 2. The present application can automatically feedback and regulate the pressure and temperature of the medium, preventing delays and operation errors caused by manual operation;
[0017] 3. The present application can supplement the air pressure of the medium container, maintain the stable air pressure inside the container, so that the medium can smoothly enter the liquid inlet pipe;
[0018] 4. The present application can pre-discharge the air inside the skid-mounted structure to keep the purity of the medium. Description of the Drawings
[0019] Figure 1 is a top view schematic diagram of the overall structure of a circulating self-balancing skid-mounted structure for the non-ambient-temperature medium flow-through part of the present application.
[0020] Figure 2 is a partial top view of the connection structure of the liquid inlet pipe part of a circulating self-balancing skid-mounted structure for the non-ambient-temperature medium flow-through part of the present application.
[0021] Description of the reference numerals: 1, chassis; 2, liquid inlet pipe; 21, liquid inlet valve; 22, pressure transmitter valve; 23, temperature transmitter valve; 3, liquid outlet pipe; 31, liquid outlet valve; 4, metering pump; 41, reflux chamber; 42, pressure regulating valve; 5, solenoid valve; 6, reflux assembly; 61, three-way valve; 62, constant-temperature reflux pipe; 7, supplement mechanism; 71, gas-phase reflux pipe; 72, electric valve; 8, air pump. Detailed Description of the Embodiment
[0022] The following is a further detailed description of the present application in conjunction with the attached Figure 1-2 drawings.
[0023] The embodiment of the present application discloses a circulating self-balancing skid-mounted structure for the non-ambient-temperature medium flow-through part.
[0024] Referring to Figure 1 , a circulating self-balancing skid-mounted structure for the non-ambient-temperature medium flow-through part, which includes a chassis ① placed on the ground, a liquid inlet pipe ② and a liquid outlet pipe ③. Among them, the mutually close ends of the liquid inlet pipe ② and the liquid outlet pipe ③ are respectively connected to the two openings of a metering pump ④, and the main function of the metering pump ④ is to convey the medium from the liquid inlet pipe ② to the liquid outlet pipe ③. At the same time, a liquid inlet valve 21 and a liquid outlet valve 31 are respectively fixedly arranged at the positions of the mutually far ends of the liquid inlet pipe ② and the liquid outlet pipe ③ to control the entry and exit of the medium and ensure the airtightness requirements of the overall skid-mounted structure.
[0025] Reference Figure 2 Figure 2 , further, a pressure transmitter and a temperature transmitter are fixedly arranged in the liquid inlet pipe 2 along the extending direction, and a pressure regulating valve 42 electrically connected to both of them is arranged on the metering pump 4. A reflux chamber 41 is formed in the metering pump 4, and one end of the pressure regulating valve 42 extends into the reflux chamber 41. The reflux chamber 41 is also communicated with a reflux assembly 6 facilitating the reflux of the medium. A solenoid valve 5 for controlling the opening and closing of the liquid inlet pipe 2 is fixedly connected between the liquid inlet pipe 2 near the metering pump 4 and the metering pump 4, and the solenoid valve 5 is electrically connected to the pressure regulating valve 42.
[0026] When the temperature transmitter and the pressure transmitter detect that the data of the medium is different from its established data, an electrical signal will be sent to the pressure regulating valve 42. At this time, the pressure regulating valve 42 will drive the solenoid valve 5, so that the medium flowing to the solenoid valve 5 enters the reflux chamber 41. After the pressure of the medium is regulated by the pressure regulating valve 42, the medium will re-enter the liquid inlet pipe 2 through the reflux assembly 6. At this time, the solenoid valve 5 is opened, and the medium will smoothly enter the liquid outlet pipe 3 through the delivery of the metering pump 4.
[0027] In this application, since the pressure regulating valve 42, the pressure transmitter, the temperature transmitter and the solenoid valve 5 are all electrically connected, the self-balanced feedback regulation of non-constant temperature medium can be realized, avoiding the errors caused by manual operation.
[0028] Reference Figure 1 and Figure 2 Figure 2 , specifically, the reflux assembly 6 includes a three-way valve 61 installed on the liquid inlet pipe 2, and a constant temperature reflux pipe 62 with one end passing through the metering pump 4 and communicating with the reflux chamber 41. The end of the constant temperature reflux pipe 62 away from the metering pump 4 is connected to the three-way valve 61. It should be noted that the constant temperature reflux pipe 62 adopted in this application has good airtightness and the characteristics of resisting temperature and pressure, and its material is preferably carbon steel with relatively high cost performance.
[0029] Reference Figure 1 and Figure 2 Figure 2 , a supplementary mechanism 7 for pressure compensation of the container for containing the medium is further arranged on the liquid inlet pipe 2, which mainly includes a gas-phase reflux pipe 71 communicated with the constant temperature reflux pipe 62, and an electric valve 72 installed inside the gas-phase reflux pipe 71. The end of the gas-phase reflux pipe 71 away from the electric valve 72 extends into the container, and a switching valve is arranged at its port position.
[0030] It is worth mentioning that the gas-phase reflux pipe 71 in this application is made of a material that does not resist temperature. Therefore, the medium will be vaporized by the external environment in the gas-phase reflux pipe 71, and then discharged under the control of the electric valve 72 and enter the container to supplement the air pressure of the container.
[0031] ReferenceFigure 1 And Figure 2 Further, an air pump 8 for pre-aspirating the air inside the skid-mounted structure is provided on the liquid inlet pipe 2 between the liquid inlet valve 21 and the three-way valve 61. The main function of setting the air pump 8 is to create a vacuum environment inside the skid-mounted structure, so as to ensure the purity requirements of the medium.
[0032] The implementation principle of the circulation self-balancing skid-mounted structure for the non-constant temperature medium overcurrent part in the embodiment of the present application is as follows:
[0033] First, the air pump 8 provided on the liquid inlet pipe 2 discharges the air inside the skid-mounted structure, and then the liquid inlet pipe 2 is connected to the container and the medium is introduced into the skid-mounted structure. Among them, when the medium flows through the pressure transmitter and the temperature transmitter, the temperature transmitter and the pressure transmitter will monitor the medium, and then send the monitoring data to the pressure regulating valve 42.
[0034] After that, the pressure regulating valve 42 controls the opening or closing of the solenoid valve 5 according to the monitoring data result, so that the medium flows into the liquid outlet pipe 3 or the return cavity 41 of the metering pump 4.
[0035] The medium flowing into the return cavity 41 enters the constant temperature return pipe 62 after being processed by the pressure regulating valve 42, and then returns to the liquid inlet pipe 2 through the three-way valve 61.
[0036] Secondly, a part of the medium flowing into the constant temperature return pipe 62 enters the gas-phase return pipe 71 and is vaporized, and under the control of the electric valve 72, it returns to the container to supplement the pressure of the container, so that the medium can be smoothly discharged from the container.
[0037] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A circulating self-balancing skid-mounted structure for the over-flow part of a cryogenic medium, comprising a chassis (1), a liquid inlet pipe (2) and a liquid outlet pipe (3). Liquid inlet valves (21) and liquid outlet valves (31) are respectively installed at the positions of the ports of the liquid inlet pipe (2) and the liquid outlet pipe (3) that are far away from each other. A metering pump (4) for guiding the medium and boosting the pressure of the medium is commonly connected to the ports of the liquid inlet pipe (2) and the liquid outlet pipe (3) that are close to each other. It is characterized in that: A pressure transmitter and a temperature transmitter are arranged in the liquid inlet pipe (2). A reflux chamber (41) is formed in the metering pump (4), and a pressure regulating valve (42) with one end communicating with the reflux chamber (41) is fixedly installed on the metering pump (4). One end of the liquid inlet pipe (2) extending into the metering pump (4) communicates with both the liquid outlet pipe (3) and the reflux chamber (41), and an electromagnetic valve (5) for controlling the flow direction of the medium is installed at the end of the liquid inlet pipe (2) close to the metering pump (4). The pressure transmitter, the temperature transmitter, the pressure regulating valve (42), and the electromagnetic valve (5) are all electrically connected, and the metering pump (4) is connected with a reflux assembly (6).
2. The self-balancing skid-mounted structure for the circulation of the over-current part of the cryogenic medium according to claim 1, characterized in that: The reflux assembly (6) includes a three-way valve (61) installed on the liquid inlet pipe (2) and a constant-temperature reflux pipe (62) passing through the metering pump (4) and having one end communicating with the reflux chamber (41). The end of the constant-temperature reflux pipe (62) far from the metering pump (4) is fixedly connected to the three-way valve (61).
3. The circulating self-balancing skid-mounted structure of the live medium flow-through part according to claim 2, characterized in that: A supplementary mechanism (7) for pressure compensation of the container for supplying the medium is further arranged on the liquid inlet pipe (2). The supplementary mechanism (7) includes a gas-phase reflux pipe (71) communicating with the constant-temperature reflux pipe (62) and an electric valve (72) installed inside the gas-phase reflux pipe (71). One end of the gas-phase reflux pipe (71) far from the electric valve (72) extends into the container, and a switching valve is arranged on the gas-phase reflux pipe (71) between the container and the electric valve (72).
4. The self-balancing skid-mounted structure for the circulation of the overcurrent part of the cryogenic medium according to claim 3, characterized in that: An air pump (8) for pre-aspirating the internal air of the overall skid-mounted structure is arranged on the liquid inlet pipe (2) between the liquid inlet valve (21) and the three-way valve (61).