Safe storage and conveying device for liquid yellow phosphorus
By introducing heating components and a return circulation system into the liquid yellow phosphorus storage and transportation device, combined with temperature sensors and pressure relief components, the problems of easy solidification of liquid yellow phosphorus and pipeline blockage are solved, achieving efficient heat preservation and safe transportation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-05
- Publication Date
- 2026-03-03
AI Technical Summary
Existing liquid yellow phosphorus storage and transportation devices suffer from poor insulation, easy solidification, and easy pipe blockage, which affects production safety.
A device was designed that includes a vehicle-mounted base, a yellow phosphorus storage tank, a heating component, a main return pipe, and a branch return pipe. Combined with a temperature sensor and a pressure relief component, it enables the circulating flow heating and pressure stabilization management of liquid yellow phosphorus.
It effectively maintains the liquid state of liquid yellow phosphorus, prevents solidification, avoids pipeline blockage, improves insulation performance and safety, and ensures production continuity.
Smart Images
Figure CN223962621U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of phosphorus chemical production technology, specifically relating to a safe storage and transportation device for liquid yellow phosphorus. Background Technology
[0002] Yellow phosphorus is the main raw material for the production of phosphorus pentoxide. In the production process of phosphorus pentoxide, solid yellow phosphorus needs to be melted into liquid yellow phosphorus. The molten liquid yellow phosphorus will spontaneously combust when it comes into contact with oxygen, and the temperature of the molten liquid yellow phosphorus needs to be kept above 50-60℃. In order to improve the safe production of phosphorus pentoxide, the molten liquid yellow phosphorus needs to be strictly stored and transported. In existing technologies, molten liquid yellow phosphorus is stored in insulated tanks. During use, insulated pipelines transport the liquid phosphorus from these tanks to the combustion tower. This type of insulated tank has several drawbacks: First, the tank relies solely on the insulation layer for heating, resulting in poor insulation. If the liquid phosphorus is not transported promptly, it solidifies inside the tank, requiring reheating, which is cumbersome and ineffective. Second, during the transport of liquid phosphorus through insulated pipelines, if the pipeline is long, the phosphorus may cool and solidify on the inner wall of the pipeline. Over time, this solidified phosphorus can clog the pipeline, severely impacting the system's normal operation. Therefore, developing a safe storage and transport device for liquid yellow phosphorus with a reasonable structural design, good insulation, and safe operation is essential. Summary of the Invention
[0003] The purpose of this invention is to provide a safe storage and transportation device for liquid yellow phosphorus that has a reasonable structural design, good heat preservation effect, and safe use.
[0004] The purpose of this utility model is achieved as follows: it includes a vehicle-mounted base and a yellow phosphorus storage tank installed on the vehicle-mounted base. The top of the yellow phosphorus storage tank is respectively provided with a feeding port and a pressure relief port. A top cover is movably installed on the top of the feeding port. A pressure relief component is provided above the pressure relief port. Multiple sets of heating components extending into the yellow phosphorus storage tank are symmetrically installed at both ends of the yellow phosphorus storage tank. A discharge pipe is provided at the bottom of one end of the yellow phosphorus storage tank. A discharge pump and a discharge valve are sequentially provided on the discharge pipe. A return main pipe is provided on the discharge pipe between the discharge pump and the discharge valve. A control valve is provided on the return main pipe. The return main pipe is located above the yellow phosphorus storage tank. The end of the return main pipe is sealed by a sealing plate. Multiple return branch pipes extending into the yellow phosphorus storage tank are provided at equal intervals on the return main pipe. A level gauge and a first temperature sensor are also respectively provided on the yellow phosphorus storage tank.
[0005] The beneficial effects of this device are: Firstly, the device features a primary temperature sensor that monitors the temperature of the liquid yellow phosphorus in the storage tank in real time. The heating element intermittently heats the liquid yellow phosphorus based on the temperature readings, ensuring it remains liquid during long-term storage or transportation and preventing solidification. Simultaneously, the main and branch return pipes continuously circulate the liquid yellow phosphorus within the tank. This circulating liquid phosphorus flows downwards from the top of the tank, creating turbulence and promoting flow. Combined with the heating element, this ensures uniform heating and further improves the tank's insulation. Secondly, the pressure relief port and components ensure stable pressure within the tank. When pressure increases, the pressure relief components release pressure promptly, reducing the risk of explosion and enhancing safety. This device boasts a rational structural design, excellent performance, and is easy to implement and widely adopted. Attached Figure Description
[0006] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0007] Figure 2 This is a schematic diagram of the yellow phosphorus storage tank in the tilted state of this utility model;
[0008] Figure 3 This is a schematic diagram of the pressure relief component in this utility model;
[0009] Figure 4 This is a schematic diagram of the structure of the heating component 4 in this utility model;
[0010] In the diagram: 1-Yellow phosphorus storage tank, 2-Feeding port, 3-Pressure relief port, 31-Sealing plug, 32-Modular rod, 33-Pressure relief box, 34-Fixed seat, 35-Telescopic spring, 36-Modular block, 37-Release port, 4-Heating component, 41-Heat transfer tube, 42-Electric heating tube, 43-Second temperature sensor, 44-Ring plate, 45-Telescopic rod, 46-Buffer plate, 47-Base plate, 48-Buffer spring, 5-Discharge pipe, 6-Main return pipe, 7-Return branch pipe, 8-Level gauge, 9-First temperature sensor, 10-Fixed base plate, 11-Modular base plate, 12-Hinged support, 13-Support rod, 14-Hydraulic cylinder, 15-Modular seat, 16-Saddle support. Detailed Implementation
[0011] The present invention will be further described below with reference to the accompanying drawings, but this description is not intended to limit the present invention in any way. Any changes or improvements made based on the teachings of the present invention shall fall within the protection scope of the present invention.
[0012] like Figures 1-4 As shown, this utility model includes a vehicle-mounted base and a yellow phosphorus storage tank 1 mounted on the vehicle-mounted base. In use, the vehicle-mounted base can be mounted on a transport vehicle, allowing the vehicle to transport the tank to a designated location. Alternatively, a wheel mechanism can be installed on the vehicle-mounted base, and a traction mechanism can be used to move the base to the designated location. The top of the yellow phosphorus storage tank 1 is respectively provided with a feeding port 2 and a pressure relief port 3. A top cover is movably installed on the top of the feeding port 2. A pressure relief assembly is provided above the pressure relief port 3. Multiple sets of heating components 4 extending into the yellow phosphorus storage tank 1 are symmetrically installed at both ends of the tank. A discharge pipe 5 is provided at the bottom of one end of the yellow phosphorus storage tank 1, and a discharge pump is sequentially installed on the discharge pipe 5. A return main pipe 6 is installed on the discharge pipe 5 between the discharge pump and the discharge valve. A control valve is installed on the return main pipe 6. The return main pipe 6 is located above the yellow phosphorus storage tank 1. The end of the return main pipe 6 is sealed by a sealing plate. Multiple return branch pipes 7 extending into the yellow phosphorus storage tank 1 are installed at equal intervals on the return main pipe 6. The yellow phosphorus storage tank 1 is also equipped with a level gauge 8 and a first temperature sensor 9. The level gauge 8 and the first temperature sensor 9 are structures used in the prior art. Finished products can be purchased directly for installation according to the requirements of use. The level gauge is used to detect the liquid level in the yellow phosphorus storage tank 1, and the first temperature sensor 9 is used to monitor the temperature in the yellow phosphorus storage tank 1 in a timely manner.
[0013] The method of using this device is as follows: Liquid yellow phosphorus is injected into the yellow phosphorus storage tank 1 through the feed port 2. When the liquid yellow phosphorus reaches the maximum liquid level, the addition of liquid yellow phosphorus is stopped, and the top cover is closed. During the storage and transportation of liquid yellow phosphorus, the first temperature sensor 9 can monitor the temperature of the liquid yellow phosphorus in the yellow phosphorus storage tank 1 in a timely manner. If the temperature in the yellow phosphorus storage tank 1 is lower than the design value, the heating component can intermittently heat the liquid yellow phosphorus according to the temperature monitored by the first temperature sensor 9 to increase the temperature of the yellow phosphorus storage tank 1, so that the liquid yellow phosphorus can remain in a liquid state during long-term storage or transportation, preventing the yellow phosphorus from solidifying. During this process, the discharge pump and control valve can be opened, and the liquid yellow phosphorus in the yellow phosphorus storage tank 1 will enter the return main pipe 6, and then circulate back to the yellow phosphorus storage tank through the return branch pipe 7. Inside tank 1, the main return pipe 6 and the branch return pipe 7 allow for continuous circulation of the liquid yellow phosphorus within the storage tank 1. The circulating liquid yellow phosphorus flows downwards from the top of the storage tank 1, creating turbulence and promoting its flow. When used in conjunction with the heating components, it provides uniform heating of the liquid yellow phosphorus, further enhancing the insulation effect of the storage tank 1. During this process, the pressure relief port 3 and the pressure relief components ensure stable pressure within the storage tank 1. When the pressure inside the tank increases, the pressure relief components promptly release the pressure, reducing the pressure inside the storage tank 1 and preventing the risk of explosion, thus improving safety. When liquid yellow phosphorus is needed, the control valve is closed and the discharge valve is opened, allowing the liquid yellow phosphorus to be discharged from the discharge pipe 5, making it convenient to use.
[0014] Furthermore, to improve the heating effect, the heating assembly 4 includes a heat transfer tube 41 and an electric heating tube 42. The electric heating tube 42 is a structure used in the prior art, and finished products are purchased directly according to the power required. The heat transfer tube 41 is installed through a support frame on the yellow phosphorus storage tank 1. A tube cap is installed at one end of the heat transfer tube 41 located inside the yellow phosphorus storage tank 1, and a connecting flange is installed at the other end of the heat transfer tube 41 located outside the yellow phosphorus storage tank 1. The electric heating tube 42 is located inside the heat transfer tube 41, and a flange cover is installed at the end of the electric heating tube 42. The flange cover is connected to the connecting flange by fasteners. The heat transfer tube 41 is filled with heat transfer oil, and a second temperature sensor 43 is installed inside the heat transfer tube 41. Temperature sensor 43 is a device used in the prior art, and finished products can be purchased directly according to usage requirements. After the heat transfer oil is heated by electric heating tube 42, the liquid yellow phosphorus is exchanged for heat by heat transfer tube 41. This makes the heat radiation more uniform and can effectively ensure the uniformity of heating. It avoids scaling or corrosion caused by direct contact between electric heating tube 42 and liquid yellow phosphorus. The second temperature sensor 43 installed in heat transfer tube 41 can monitor the temperature in heat transfer tube 41 in real time. When used in conjunction with the first temperature sensor 9, the operator can adjust the power of electric heating tube 41 according to the temperature difference between the two, reduce the energy consumption of electric heating tube 41, and achieve the effect of heat preservation of liquid yellow phosphorus.
[0015] To improve the service life of the electric heating tube 42, multiple sets of buffer components are arranged at equal intervals between the electric heating tube 42 and the heat transfer tube 41. Preferably, each set of buffer components includes a ring plate 44, a telescopic rod 45, and a buffer plate 46. The ring plate 44 is fitted onto the outside of the electric heating tube 42, and multiple base plates 47 are evenly distributed on the ring plate 44. The telescopic rod 45 is installed on the base plate 47, and the buffer plate 46 is installed at the end of the telescopic rod 45 and slides in contact with the inner wall of the heat transfer tube 41. A buffer spring 48 is installed on the telescopic rod 45 between the buffer plate 46 and the base plate 47. The elasticity of the buffer spring 48 and the telescopic rod 45 can limit the electric heating tube 42, improve the connection stability of the electric heating tube 42 in the heat transfer tube 41, reduce the shaking of the electric heating tube 42 during transportation, prevent the shaking from causing breakage, protect the electric heating tube 42, and extend its service life.
[0016] Furthermore, the pressure relief assembly adopts an automatic pressure relief method. The pressure relief assembly includes a sealing plug 31 and a movable rod 32. A pressure relief box 33 is detachably installed on the yellow phosphorus storage tank 1 outside the pressure relief port 3. The sealing plug 31 is movably installed inside the upper end of the pressure relief port 3. There are one or two movable rods 32, and the lower end of each movable rod 32 is fixedly connected to the sealing plug 31. A fixed seat 34 corresponding to the movable rod 32 is installed at the top inside the pressure relief box 33. A telescopic spring 35 is installed inside the fixed seat 34, and a movable block 36 is installed at the end of the telescopic spring 35. The movable block 36 is slidably installed inside the fixed seat 34. A guide hole is installed at the bottom of the fixed seat 34. The upper end of the movable rod 32 passes through the guide hole and is fixedly connected to the movable block 36. Multiple venting ports 37 are evenly distributed on the side wall of the pressure relief box 33. In use, the sealing plug is movably installed on the pressure relief port. When the pressure in the yellow phosphorus storage tank 1 increases, it will push the sealing plug 31 to move upward. The upward movement of the sealing plug 31 will squeeze the movable block 36 and the telescopic spring 35 through the movable rod 32. After the telescopic spring 35 is compressed, the sealing plug 31 will pop out from the pressure relief port 3, and the gas will be discharged from the pressure relief port 3. It will be discharged through the venting port 37 to reduce the pressure in the yellow phosphorus storage tank 1. When the pressure in the yellow phosphorus storage tank 1 stabilizes, the telescopic spring 35 will regain its elasticity, and the sealing plug 31 will spring back to the pressure relief port 3 to seal it.
[0017] To further ensure complete drainage of the liquid yellow phosphorus in the yellow phosphorus storage tank 1, the vehicle-mounted base includes a fixed base plate 10 and a movable base plate 11. A hinged support 12 is mounted at one end of the fixed base plate 10, and one end of the movable base plate 11 is rotatably mounted on the hinged support 12. A support rod 13 is hingedly mounted on the bottom surface of the movable base plate 11 near the discharge pipe 5. A mounting groove is machined on the top surface of the fixed base plate 10, and a hydraulic cylinder 14 is installed within the mounting groove. The hydraulic cylinder 14 is a structure used in existing technology, and finished products are directly purchased according to usage requirements. The number of hydraulic cylinders 14 is reasonably arranged according to the load-bearing capacity of the yellow phosphorus storage tank 1. The movable end of the hydraulic cylinder 14 is rotatably mounted with a movable seat 15. Both ends of the movable seat 15 are slidably connected to the inner wall of the mounting groove. The bottom of the support rod 13 is movably mounted on the movable seat 15. Saddle supports 16 are installed at intervals on the top surface of the movable base plate 11. The yellow phosphorus storage tank 1 is fixedly mounted on the saddle supports 16. When the liquid yellow phosphorus storage level in the yellow phosphorus storage tank 1 is very low, the hydraulic cylinder 14 is activated. The movable end of the hydraulic cylinder 14 drives the movable seat 15 to move. The movement of the movable seat 15 drives the support rod 13 to lift the discharge end of the yellow phosphorus storage tank 1, so that the yellow phosphorus storage tank 1 is tilted and the liquid yellow phosphorus can be completely discharged from the discharge pipe 5.
[0018] To improve the insulation effect of the yellow phosphorus storage tank 1, the yellow phosphorus storage tank 1 adopts a layered structure design, consisting of an inner shell, an insulation layer, and an outer shell from the inside out.
Claims
1. A safe storage and transportation device for liquid yellow phosphorus, characterized in that: The system includes a vehicle-mounted base and a yellow phosphorus storage tank (1) mounted on the vehicle-mounted base. The top of the yellow phosphorus storage tank (1) is provided with a feeding port (2) and a pressure relief port (3). A top cover is movably installed on the top of the feeding port (2). A pressure relief assembly is provided above the pressure relief port (3). Multiple sets of heating assemblies (4) extending into the yellow phosphorus storage tank (1) are symmetrically installed at both ends of the yellow phosphorus storage tank (1). A discharge pipe (5) is provided at the bottom of one end of the yellow phosphorus storage tank (1), and the discharge pipe (5) is sequentially equipped with... There is a discharge pump and a discharge valve. A return pipe (6) is installed on the discharge pipe (5) between the discharge pump and the discharge valve. A control valve is installed on the return pipe (6). The return pipe (6) is located above the yellow phosphorus storage tank (1). The end of the return pipe (6) is sealed by a sealing plate. Multiple return branch pipes (7) extending into the yellow phosphorus storage tank (1) are installed at equal intervals on the return pipe (6). A level gauge (8) and a first temperature sensor (9) are also installed on the yellow phosphorus storage tank (1).
2. The safe storage and transportation device for liquid yellow phosphorus according to claim 1, characterized in that: The heating assembly (4) includes a heat transfer tube (41) and an electric heating tube (42). The heat transfer tube (41) is installed through a support frame on the yellow phosphorus storage tank (1). A tube cap is installed at one end of the heat transfer tube (41) located inside the yellow phosphorus storage tank (1), and a connecting flange is installed at the other end of the heat transfer tube (41) located outside the yellow phosphorus storage tank (1). The electric heating tube (42) is located inside the heat transfer tube (41), and a flange cover is installed at the end of the electric heating tube (42). The flange cover is connected to the connecting flange by fasteners. The heat transfer tube (41) is filled with heat transfer oil, and a second temperature sensor (43) is installed inside the heat transfer tube (41).
3. The safe storage and transportation device for liquid yellow phosphorus according to claim 2, characterized in that: Multiple sets of buffer components are arranged at equal intervals between the electric heating tube (42) and the heat transfer tube (41).
4. The safe storage and transportation device for liquid yellow phosphorus according to claim 3, characterized in that: Each buffer assembly includes a ring plate (44), a telescopic rod (45), and a buffer plate (46). The ring plate (44) is fitted on the outside of the electric heating tube (42). Multiple base plates (47) are evenly distributed on the ring plate (44). The telescopic rod (45) is installed on the base plate (47). The buffer plate (46) is installed at the end of the telescopic rod (45) and slides in contact with the inner wall of the heat transfer tube (41). A buffer spring (48) is installed on the telescopic rod (45) between the buffer plate (46) and the base plate (47).
5. The safe storage and transportation device for liquid yellow phosphorus according to claim 1, characterized in that: The pressure relief assembly includes a sealing plug (31) and a movable rod (32). A pressure relief box (33) is detachably installed on the yellow phosphorus storage tank (1) outside the pressure relief port (3). The sealing plug (31) is movably installed inside the upper end of the pressure relief port (3). There are 1 to 2 movable rods (32). The lower end of the movable rod (32) is fixedly connected to the sealing plug (31). A fixed seat (34) corresponding to the movable rod (32) is installed at the top inside the pressure relief box (33). A telescopic spring (35) is installed inside the fixed seat (34). A movable block (36) is installed at the end of the telescopic spring (35). The movable block (36) is slidably installed inside the fixed seat (34). A guide hole is installed at the bottom of the fixed seat (34). The upper end of the movable rod (32) passes through the guide hole and is fixedly connected to the movable block (36). Multiple vents (37) are evenly distributed on the side wall of the pressure relief box (33).
6. The safe storage and transportation device for liquid yellow phosphorus according to claim 1, characterized in that: The vehicle-mounted base includes a fixed base plate (10) and a movable base plate (11). A hinged support (12) is installed at one end of the fixed base plate (10), and one end of the movable base plate (11) is rotatably installed on the hinged support (12). A support rod (13) is movably hinged on the bottom surface of the movable base plate (11) near the discharge pipe (5). An installation groove is machined on the top surface of the fixed base plate (10), and a hydraulic cylinder (14) is installed in the installation groove. A movable seat (15) is rotatably installed on the movable end of the hydraulic cylinder (14). Both ends of the movable seat (15) are slidably connected to the inner wall of the installation groove. The bottom of the support rod (13) is movably installed on the movable seat (15). Saddle supports (16) are installed at intervals on the top surface of the movable base plate (11), and the yellow phosphorus storage tank (1) is fixedly installed on the saddle supports (16).
7. The safe storage and transportation device for liquid yellow phosphorus according to claim 1, characterized in that: The yellow phosphorus storage tank (1) adopts a layered structure design, consisting of an inner shell, an insulation layer, and an outer shell from the inside out.