Liquid phase pipe structure of low-temperature heat insulation pressure vessel

Abstract

The utility model discloses a low-temperature heat insulation pressure vessel liquid phase pipe structure which comprises a pipeline, a plurality of second pressure plates are fixedly connected to the outer portion of the pipeline, a plurality of springs are fixedly connected to the upper surfaces of the second pressure plates, one end of each spring is fixedly connected with a first pressure plate, and the other end of each spring is fixedly connected with a second pressure plate. Gaps are reserved between the two connected first pressure plates and the two connected second pressure plates, a vacuum layer is arranged in an interlayer of the pipeline, two first fixing rings are fixedly connected to the outer portion of the pipeline, heat insulation pipes are fixedly connected to the upper surfaces of the multiple first pressure plates, and the side faces of the heat insulation pipes are fixedly connected with the side faces of the two first fixing rings. Through mutual cooperation of a first pressure plate, a second pressure plate and a spring, external impact can be effectively prevented, the pipeline can be protected, the pipeline can be protected for multiple times through a vacuum layer and a heat insulation pipe, the temperature change in the pipeline is prevented from being too large, and the influence on internal liquid is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid phase pipes for low temperature heat insulation pressure vessels, in particular to a liquid phase pipe structure for low temperature heat insulation pressure vessels. Background Art

[0002] Liquid phase pipes are mainly used to transport liquids, such as water, oil, acid and alkali, etc., which exist in liquid form in the pipeline, hence the name. This type of pipe is usually made of plastic or metal materials to withstand the pressure and temperature of the liquid.

[0003] The existing liquid phase pipe structure of the low-temperature insulated pressure vessel cannot effectively cope with external shocks and the temperature changes in the pipe are large, which has a great impact on the internal liquid. The practical device can effectively cope with external shocks and can effectively insulate, reducing the impact of temperature changes on the liquid in the pipe. Utility Model Content

[0004] The utility model aims to provide a liquid phase pipe structure of a low temperature insulated pressure vessel, which solves the problem that the external impact cannot be effectively dealt with and the temperature in the pipe changes greatly, thus having a great impact on the internal liquid.

[0005] To achieve the above object, a liquid phase pipe structure of a low temperature insulated pressure vessel is provided, comprising: a pipeline, a plurality of second pressure plates are fixedly connected to the outside of the pipeline, a plurality of springs are fixedly connected to the upper surfaces of the plurality of second pressure plates, one end of the plurality of springs are fixedly connected to the first pressure plate, a gap is left between the two connected first pressure plates and the two connected second pressure plates, and the first pressure plate, the second pressure plate and the spring cooperate with each other to effectively prevent external impact and protect the pipeline;

[0006] A vacuum layer is arranged in the pipe interlayer, and the outside of the pipe is fixedly connected to two first fixing rings, and the upper surfaces of the plurality of first pressure plates are fixedly connected to the insulation pipe, and the side surfaces of the insulation pipe are fixedly connected to the side surfaces of the two first fixing rings. The vacuum layer and the insulation pipe can be used to provide multiple protections for the pipe, thereby enhancing the thermal insulation capacity of the pipe, preventing excessive temperature changes inside the pipe, and reducing the impact on the internal liquid.

[0007] According to the liquid phase pipe structure of a low-temperature insulated pressure vessel, a first connecting pipe and a second connecting pipe are respectively provided at both ends of the pipeline, grooves are provided at both ends of the first connecting pipe and the second connecting pipe, the outside of the first connecting pipe is fixedly connected to two third fixing rings, one side of the first fixing ring is fitted with the side of the third fixing ring, the inside of the first fixing ring and the inside of the third fixing ring are both threaded with screws, and the first connecting pipe can be firmly connected to the pipeline by the screws.

[0008] According to the liquid phase pipe structure of a low-temperature insulated pressure vessel, a thermometer is fixedly connected to the outside of the first connecting pipe, and both side surfaces of the pipe are fixedly connected to bump rings, wherein the outside of one of the bump rings is engaged with a groove provided on the side surface of the first connecting pipe, and the bump ring and the groove cooperate with each other to improve the sealing of the pipe and prevent liquid leakage.

[0009] According to the liquid phase tube structure of a low-temperature insulated pressure vessel, one end of each of the screws extends to the outside of the first fixing ring, and one end of each of the screws is threadedly connected to a nut, and the connection can be reinforced by the nut to make the connection more secure.

[0010] According to the liquid phase pipe structure of a low-temperature insulated pressure vessel, a second connecting pipe is provided at the other end of the pipeline, the outside of the second connecting pipe is fixedly connected to two second fixing rings, the side surface of the first fixing ring is fitted with the side surface of the second fixing ring, the inside of the first fixing ring and the inside of the second fixing ring are both threadedly connected with screws, and the second connecting pipe can be connected to the pipeline by the screws to make the connection firm.

[0011] According to the liquid phase pipe structure of a low-temperature insulated pressure vessel, a valve is arranged on the outside of the second connecting pipe, and the diameter of the flow opening of the first connecting pipe and the diameter of the flow opening of the second connecting pipe are both smaller than the diameter of the flow opening of the pipeline. The flow of liquid inside the pipeline is controlled by the valve, which facilitates the replacement or maintenance of the pipeline.

[0012] According to the liquid phase pipe structure of a low-temperature insulated pressure vessel, the outer portion of another of the protrusion rings is engaged with a groove provided on the side of the second connecting pipe, and the sealing of the connection between the pipeline and the second connecting pipe is enhanced by engaging the protrusion ring with the second connecting pipe.

[0013] The above scheme has the following beneficial effects:

[0014] 1. The external impact force is evenly distributed to the spring through the first pressure plate, and then the spring is used to unload the force. The pressure bearing capacity of the pipeline is increased through the second pressure plate, which can effectively prevent external impact and protect the pipeline.

[0015] 2. The vacuum layer and the insulation pipe can provide multiple protections for the pipeline, reduce the impact of external temperature, prevent excessive temperature changes inside the pipeline, and reduce the impact on the internal liquid.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1This is a three-dimensional diagram of a liquid phase pipe structure of a low-temperature heat-insulating pressure vessel of the utility model;

[0019] Figure 2 This is a cross-sectional view of a liquid phase pipe structure of a low-temperature heat-insulating pressure vessel of the utility model;

[0020] Figure 3 It is a side sectional view of a liquid phase pipe structure pipeline of a low temperature insulation pressure vessel of the utility model;

[0021] Figure 4 It is a side view of a liquid phase pipe structure pipeline of a low-temperature thermal insulation pressure vessel of the utility model.

[0022] Legend:

[0023] 1. Pipeline; 2. Spring; 3. Insulation tube; 4. First fixing ring; 5. First connecting tube; 6. First pressure plate; 7. Second fixing ring; 8. Groove; 9. Second connecting tube; 10. Valve; 11. Thermometer; 12. Screw; 13. Nut; 15. Second pressure plate; 16. Bump ring; 17. Vacuum layer; 18. Third fixing ring. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4 The utility model embodiment provides a liquid phase pipe structure of a low temperature insulated pressure vessel, which comprises: a pipeline 1, a plurality of second pressure plates 15 are fixedly connected to the outside of the pipeline 1, and the pressure bearing capacity of the pipeline 1 is increased by the second pressure plates 15, and a plurality of springs 2 are fixedly connected to the upper surfaces of the plurality of second pressure plates 15, and the springs 2 are used to reduce external impact, and one end of the plurality of springs 2 is fixedly connected to the first pressure plate 6, and a gap is left between the two connected first pressure plates 6 and the two connected second pressure plates 15, so as to facilitate the contraction movement of the springs 2;

[0026] A vacuum layer 17 is provided in the interlayer of the pipeline 1, and two first fixing rings 4 are fixedly connected to the outside of the pipeline 1 to facilitate the connection of the accompanying accessories. The upper surfaces of multiple first pressure plates 6 are fixedly connected to the insulation tube 3. The vacuum layer 17 and the insulation tube 3 are utilized to effectively improve the insulation capacity of the pipeline 1, and the side surfaces of the insulation tube 3 are fixedly connected to the side surfaces of the two first fixing rings 4.

[0027] A first connecting pipe 5 and a second connecting pipe 9 are respectively provided at both ends of the pipeline 1 to facilitate the assembly of the pipeline 1. Grooves 8 are provided at both ends of the first connecting pipe 5 and the second connecting pipe 9. The first connecting pipe 5 is externally fixedly connected to two third fixing rings 18, one of which has a first fixing ring 4 side that fits with the third fixing ring 18 side, and the first fixing ring 4 and the third fixing ring 18 are both threadedly connected with screws 12. The first connecting pipe 5 is externally fixedly connected to a thermometer 11, and the internal temperature can be detected by the thermometer 11 to observe the state of the pipeline 1. Both sides of the pipeline 1 are fixedly connected to bump rings 16, and the outside of one of the bump rings 16 is embedded with the groove 8 provided on the side of the first connecting pipe 5. One end of each of the screws 12 extends to On the outside of the first fixing ring 4, one end of multiple screws 12 are threadedly connected to nuts 13, and the connection is reinforced by nuts 13. A second connecting pipe 9 is provided at the other end of the pipeline 1. The outside of the second connecting pipe 9 is fixedly connected to two second fixing rings 7. The side of another first fixing ring 4 is fitted with the side of the second fixing ring 7. The inside of the first fixing ring 4 and the inside of the second fixing ring 7 are threadedly connected with screws 12. A valve 10 is provided on the outside of the second connecting pipe 9. The diameter of the flow port of the first connecting pipe 5 and the diameter of the flow port of the second connecting pipe 9 are both smaller than the diameter of the flow port of the pipeline 1, which can speed up the liquid flow rate. The outside of another protrusion ring 16 is embedded with the groove 8 set on the side of the second connecting pipe 9 to enhance the sealing of the connection between the pipeline 1 and the second connecting pipe 9.

[0028] Working principle: The first connecting pipe 5 and the second connecting pipe 9 can be connected to the pipeline 1 through the screws 12 and the nuts 13. When the pipeline 1 is subjected to external impact, the external impact force is evenly distributed to the spring 2 through the internal first pressure plate 6, and then the spring 2 is used to unload the force. The pressure-bearing capacity of the pipeline 1 is increased by the second pressure plate 15, which can effectively prevent external impact and protect the pipeline 1. When the pipeline 1 is in use, the pipeline 1 can be multi-insulated by the vacuum layer 17 and the insulation tube 3, which reduces the temperature fluctuation inside the pipeline 1 and the impact on the internal liquid. The internal temperature of the pipeline 1 can be observed by the thermometer 11 to check the pipeline 1, and the internal liquid flow can be controlled by the valve 10.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A liquid phase pipe structure of a low temperature insulated pressure vessel, characterized in that: include: A pipeline (1), wherein the exterior of the pipeline (1) is fixedly connected to a plurality of second pressure plates (15), the upper surfaces of the plurality of second pressure plates (15) are fixedly connected to a plurality of springs (2), one end of the plurality of springs (2) are all fixedly connected to a first pressure plate (6), and a gap is left between two connected first pressure plates (6) and two connected second pressure plates (15); A vacuum layer (17) is provided in the interlayer of the pipeline (1), the outside of the pipeline (1) is fixedly connected to two first fixing rings (4), the upper surfaces of the plurality of first pressure plates (6) are fixedly connected to the insulation pipe (3), and the side surfaces of the insulation pipe (3) are fixedly connected to the side surfaces of the two first fixing rings (4).

2. A low temperature insulated pressure vessel liquid phase pipe structure according to claim 1, characterized in that: A first connecting pipe (5) and a second connecting pipe (9) are respectively provided at both ends of the pipeline (1), and grooves (8) are provided at both ends of the first connecting pipe (5) and the second connecting pipe (9). The first connecting pipe (5) is externally fixedly connected to two third fixing rings (18), wherein a side surface of one of the first fixing rings (4) is in contact with a side surface of the third fixing ring (18), and screws (12) are threadedly connected inside the first fixing ring (4) and inside the third fixing ring (18).

3. A low temperature insulated pressure vessel liquid phase pipe structure according to claim 2, characterized in that: The first connecting tube (5) is fixedly connected to a thermometer (11) on its outside, and both sides of the pipeline (1) are fixedly connected to lug rings (16), wherein the outside of one of the lug rings (16) is engaged with a groove (8) provided on the side of the first connecting tube (5).

4. A liquid phase pipe structure of a cryogenic insulation pressure vessel according to claim 2, characterized in that: One ends of the plurality of screws (12) extend to the outside of the first fixing ring (4), and one ends of the plurality of screws (12) are threadedly connected to the nuts (13).

5. The liquid phase pipe structure of a cryogenic insulation pressure vessel according to claim 1, characterized in that: A second connecting pipe (9) is provided at the other end of the pipeline (1), the second connecting pipe (9) is externally fixedly connected to two second fixing rings (7), the side surface of the first fixing ring (4) is in contact with the side surface of the second fixing ring (7), and the inside of the first fixing ring (4) and the inside of the second fixing ring (7) are both threadedly connected with screws (12).

6. A liquid phase pipe structure for a cryogenically insulated pressure vessel according to claim 2, characterized in that: A valve (10) is provided on the outside of the second connecting pipe (9), and the diameters of the flow openings of the first connecting pipe (5) and the second connecting pipe (9) are both smaller than the diameter of the flow opening of the pipeline (1).

7. The liquid phase pipe structure of a cryogenic insulation pressure vessel according to claim 3, characterized in that: The outside of the other protrusion ring (16) is engaged with a groove (8) arranged on the side of the second connecting pipe (9).

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