Quick-filling type pipeline system of vertical welding heat insulation gas cylinder
By integrating multiple valves into the top of the insulated gas cylinder into a fast-fill pipeline system, the problems of cold air leakage and high operation difficulty of traditional insulated gas cylinders are solved, and a convenient and fast filling process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU JINFAN CRYOGENIC TECH CO LTD
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-17
AI Technical Summary
The dispersed arrangement of multiple valves in traditional three-dimensional insulated gas cylinders leads to problems such as high risk of cold energy leakage, high operational difficulty, and low filling efficiency.
The inlet valve, safety accessories, vent valve, pressurization unit, and outlet valve are integrated into the top distribution head of the insulated gas cylinder to form a fast-charging pipeline system, which simplifies the operation process and optimizes the pipeline structure.
It reduces operational difficulty, decreases the risk of cold leakage, improves filling speed and efficiency, and reduces gas loss.
Smart Images

Figure CN224135683U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of pressure vessel technology, and in particular to a fast-charging pipeline system for a vertical welded insulated gas cylinder. Background Technology
[0002] Traditional three-dimensional insulated gas cylinders have multiple valves arranged in a dispersed manner, resulting in numerous pipeline joints, increasing the risk of cold energy leakage, and causing high gas loss. During the filling process, different valves need to be operated sequentially, increasing the difficulty of operation and affecting the filling efficiency. Summary of the Invention
[0003] In order to solve the problems of easy leakage of cold energy, inconvenient operation and slow filling in the existing technology, the purpose of this application is to provide a fast-filling pipeline system for vertical welded insulated gas cylinders that is easy to operate, quick to fill and reduces filling loss.
[0004] To achieve the above objectives, this application adopts the following technical solution: a fast-charging pipeline system for a vertical welded insulated gas cylinder. The fast-charging pipeline system is installed on the top of the cylinder body. The fast-charging pipeline system includes: a distributor, an inlet valve, a safety accessory, a vent valve, a pressurizing unit, and an outlet valve. The distributor is fixedly installed on the top of the cylinder body and communicates with the interior of the cylinder body. The inlet valve, safety accessory, vent valve, pressurizing unit, and outlet valve are all integrated and installed on the distributor, and are respectively connected to the interior of the cylinder body through the distributor.
[0005] In the above technical solution, it is further preferred that the projection of the dispensing head from top to bottom is circular, and the inlet valve, safety accessory, vent valve, pressurizing unit and outlet valve are distributed at intervals along the circumference of the dispensing head.
[0006] In the above technical solution, it is further preferred that the bottle body has a center line extending in the vertical direction, the center line passing through both the top center and the bottom center of the bottle body, and the axis of the dispensing head coincides with the center line.
[0007] In the above technical solution, a further preferred embodiment includes a support frame, which is supported below the liquid inlet valve and connected to the top of the bottle body.
[0008] In the above technical solution, it is further preferred that the inlet valve is a shut-off valve with a nominal diameter of 25mm.
[0009] In the above technical solution, it is further preferred that the valve stem of the inlet valve is inclined, and the valve stem of the inlet valve forms an inclined angle with the horizontal plane where the upper surface of the dispensing head is located.
[0010] In the above technical solution, it is further preferred that the included angle of inclination is 10°-20°.
[0011] In the above technical solution, it is further preferred that the vent valve is a vent valve with a nominal diameter of 15mm.
[0012] Compared with the prior art, this application achieves the following beneficial effects:
[0013] This application integrates multiple valves of the fast-charging pipeline system on the top of the insulated gas cylinder, reducing the space occupied by the insulated gas cylinder, reducing the difficulty of operation, and optimizing the liquid inlet pipeline, thereby reducing filling losses and achieving rapid filling. Attached Figure Description
[0014] Figure 1 A three-dimensional structural schematic diagram of an insulated gas cylinder provided for an embodiment of this application;
[0015] Figure 2 for Figure 1 A top view of the insulated gas cylinder;
[0016] Figure 3 for Figure 1 A side view of the insulated gas cylinder.
[0017] The components are as follows: 100. Insulated gas cylinder; 10. Fast-charging pipeline system; 1. Distributor; 2. Inlet valve; 21. Inlet port; 22. Outlet port; 23. Valve stem; 3. Safety accessories; 31. Safety valve; 32. Pressure gauge; 4. Vent valve; 5. Pressurization unit; 6. Outlet valve; 7. Support frame; 20. Cylinder body. Detailed Implementation
[0018] To illustrate the technical content, structural features, achieved objectives, and effects of the application in detail, the technical solutions of the embodiments of this application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. In the following description, for illustrative purposes, numerous specific details are set forth to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may also be implemented without these specific details or in one or more equivalent arrangements. Furthermore, the various exemplary embodiments may differ, but are not necessarily exclusive. For example, the specific shape, structure, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.
[0019] This application provides a fast-charging pipeline system for a vertically welded insulated gas cylinder, such as... Figure 1As shown, a fast-charging pipeline system 10 is installed on top of the cylinder body 20 of the insulated gas cylinder 100. This fast-charging pipeline system 10 includes: a distributor 1, an inlet valve 2, a safety accessory 3, a vent valve 4, a pressurization unit 5, and an outlet valve 6. The distributor 1 is fixedly installed on top of the cylinder body 20 and is in fluid communication with the interior of the cylinder body 20. The inlet valve 2, safety accessory 3, vent valve 4, pressurization unit 5, and outlet valve 6 are all integrated onto the distributor 1 and are respectively in fluid communication with the interior of the cylinder body 20 through the distributor 1. The fast-charging pipeline system 10 is integrated on top of the cylinder body 20, allowing operators to centrally operate multiple valves from the top of the cylinder body 20, reducing operational difficulty and minimizing the space occupied by the insulated gas cylinder. Multiple valves are connected to the interior of the cylinder body 20 through the distributor 1, which distributes the flow, simplifying the pipeline structure, reducing the risk of cold leakage, and shortening the filling path, thus reducing filling losses.
[0020] like Figure 1 , 2 As shown, the top-down projection of the dispensing head 1 is circular. The inlet valve 2, safety accessory 3, vent valve 4, pressurizing unit 5, and outlet valve 6 are spaced apart along the circumference of the dispensing head. The cylinder body 20 has a centerline X1 extending vertically, passing through both the top and bottom centers of the cylinder body 20. The axis of the dispensing head 1 coincides with the centerline X1. The dispensing head 1 is located at the center of the top of the cylinder body 20. Multiple valves are spaced apart circumferentially around the dispensing head 1, thereby balancing the circumferential weight of the insulated gas cylinder 100 and improving its stability.
[0021] In this embodiment, the inlet valve 2 is a shut-off valve with a nominal diameter of 25 mm. Because the shut-off valve is relatively heavy, it needs to be supported on top of the bottle body 20 by a support frame 7. The inlet valve 2 has an inlet port 21 connected to an external filling pipe and an outlet port 22 connected to the dispensing head 1 via a pipe. The support frame 7 is connected to the top of the bottle body 20 at the inlet port 21, supporting the inlet valve 2 from below.
[0022] like Figure 1 , 3 As shown, since the valve stem of the shut-off valve is relatively high, the valve stem 23 of the inlet valve 2 is set at an angle. The valve stem 23 of the inlet valve 2 and the horizontal plane W on which the upper surface of the distribution head 1 is located form an angle α. The angle α is 10°-20°. This avoids the valve stem 23 being too high and affecting the storage and transportation of the insulating gas cylinder 100, and also reduces the height difference between the inlet valve 2 and other valves, improving the convenience of use.
[0023] Continue to refer to Figure 1 and Figure 2In the top-down projection, the inlet valve 2 and the pressurization unit 5 are symmetrically arranged, the vent valve 4 and the outlet valve 6 are symmetrically arranged, the vent valve 4 and the inlet valve 2 are at a 90° angle, the outlet valve 6 and the inlet valve 2 are at a 90° angle, and the safety accessory 3 is located between the inlet valve 2 and the vent valve 4.
[0024] The vent valve 4 uses a nominal diameter of 15mm, and the diameters of both the inlet valve 2 and the vent valve 4 are increased compared to traditional insulated gas cylinders. The flow cross-sectional area of the inlet valve 2 in this embodiment is more than six times that of the inlet valve of a traditional insulated gas cylinder, significantly improving liquid flow efficiency. The flow cross-sectional area of the vent valve 4 in this embodiment is more than twice that of the vent valve of a traditional insulated gas cylinder. Since gas cylinder filling generally uses a differential pressure filling method, the large-diameter vent pipe can effectively reduce the pressure inside the cylinder during filling, thereby maintaining a larger pressure difference, increasing the filling speed of the insulated gas cylinder, and reducing gas loss.
[0025] Safety accessory 3 includes a safety valve 31 and a pressure gauge 32. The pressure gauge 32 can directly display the pressure in the fast-charging pipeline system 10. The safety valve 31 is used to automatically release pressure when the pressure in the fast-charging pipeline system 10 exceeds the limit, thereby improving the safety of equipment use.
[0026] When the internal pressure of the bottle 20 is too low, it can cause backflow of filling liquid or backflow of outside air, which will affect the liquid that has already been filled into the bottle 20. The pressurization unit 5 is used to open when the pressure inside the bottle 20 is too low, thereby increasing the pressure inside the bottle 20 and ensuring continuous pressurization of the filling pipeline.
[0027] The liquid outlet valve 6 is opened when the liquid in the bottle body 20 needs to be discharged, and is always closed when the insulated gas cylinder 100 is being filled with liquid.
[0028] The foregoing has shown and described the basic principles, main features, and advantages of this application. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this application. Various changes and modifications can be made without departing from the spirit and scope of this application. The scope of protection claimed by this application is defined by the appended claims, specification, and their equivalents.
Claims
1. A fast-charging pipeline system for a vertically welded insulated gas cylinder, characterized in that, The fast-charging pipeline system is installed on the top of the insulated gas cylinder. The fast-charging pipeline system includes: a distributor, an inlet valve, a safety accessory, a vent valve, a pressurizing unit, and an outlet valve. The distributor is fixedly installed on the top of the cylinder and is connected to the interior of the cylinder. The inlet valve, safety accessory, vent valve, pressurizing unit, and outlet valve are all integrated on the distributor and are connected to the interior of the cylinder through the distributor.
2. The quick fill line system of claim 1, wherein, The top-down projection of the dispensing head is circular, and the inlet valve, safety accessory, vent valve, pressurization unit, and outlet valve are distributed at intervals along the circumference of the dispensing head.
3. The quick fill line system of claim 2, wherein, The bottle body has a center line extending in the vertical direction, which passes through both the top center and the bottom center of the bottle body, and the axis of the dispensing head coincides with the center line.
4. The quick fill line system of claim 1, wherein, It also includes a support frame, which is supported below the inlet valve and connected to the top of the bottle body.
5. The quick fill plumbing system of claim 1, wherein, The inlet valve is a shut-off valve with a nominal diameter of 25mm.
6. The quick fill line system of claim 5, wherein, The valve stem of the inlet valve is inclined, and the valve stem of the inlet valve forms an inclined angle with the horizontal plane where the upper surface of the dispensing head is located.
7. The quick fill line system of claim 6, wherein, The tilt angle is 10°-20°.
8. The quick fill plumbing system of claim 1, wherein, The vent valve is a vent valve with a nominal diameter of 15mm.