Multifunctional dual-mode vulcanization thermotechnical pipeline system capable of maintaining pressure

Abstract

The utility model discloses a multifunctional dual-mode vulcanization thermotechnical pipeline system capable of maintaining pressure. The multifunctional dual-mode vulcanization thermotechnical pipeline system comprises a dual-material pipeline subsystem and a pressure maintaining pipeline subsystem, the double-material sub-pipeline system comprises a left capsule feeding pipeline, a right capsule feeding pipeline, a left capsule discharging pipeline and a right capsule discharging pipeline, the left capsule feeding pipeline comprises a left capsule feeding main pipe, and a left capsule feeding main valve is further arranged in the middle of the left capsule feeding main pipe; the right capsule feeding pipeline comprises a right capsule feeding main pipe, and a right capsule feeding main valve is further arranged on the right capsule feeding main pipe; the left capsule discharging pipeline comprises a left capsule discharging main pipe, and the other end of the left capsule discharging main pipe is connected with the internal extrusion subsystem through a left capsule discharging main pipe valve; the shaping nitrogen supply subsystem comprises a left shaping nitrogen supply pipeline and a right shaping nitrogen supply pipeline, and the pressure maintaining pipeline subsystem comprises a left pressure maintaining selection valve. When the double-mold vulcanizing machine loses pressure and temperature on a single side, a tire on the other side is protected, and the rejection rate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tire vulcanization, in particular to a multifunctional dual-mode vulcanization thermal pipeline system capable of maintaining pressure. Background Art

[0002] The rapid development of tires in recent years has intensified competition in the industry, prompting a growing number of companies to pursue continuous improvements in production efficiency and product quality. However, the tire vulcanization process has long been a bottleneck in the tire industry. Currently, most tire vulcanizers utilize dual-mode vulcanization, with both left and right bladders sharing common piping and curing identical specifications. Vulcanization anomalies on one side can lead to pressure and temperature loss on the other side, resulting in product losses. Traditional single-sided operation, with the main control button pressed on a single side, disables the robot and tire removal arm on that side, affecting operational continuity and reducing production efficiency. Utility Model Content

[0003] The utility model aims to solve the technical problems existing in the prior art, and particularly innovatively proposes a multifunctional dual-mode vulcanization thermal piping system with pressure maintenance, so as to protect the tire on the other side when the dual-mode vulcanizer loses pressure and temperature on one side, thereby reducing the scrap rate.

[0004] In order to achieve the above-mentioned purpose of the present invention, the present invention provides a multifunctional dual-mode vulcanization thermal piping system capable of maintaining pressure, comprising a dual-material piping subsystem and a pressure-maintaining piping subsystem;

[0005] The dual material pipeline subsystem includes a left capsule feeding pipeline, a right capsule feeding pipeline, a left capsule discharging pipeline and a right capsule discharging pipeline. The left capsule feeding pipeline includes a left capsule feeding main pipe. One end of the left capsule feeding main pipe is connected to the left capsule inlet end of the vulcanizer, and the other end is connected to the shaping nitrogen feeding subsystem and the internal pressure inlet subsystem through the left capsule feeding main pipe three-way valve. A left capsule feeding main valve is also provided in the middle of the left capsule feeding main pipe.

[0006] The right capsule feeding pipeline includes a right capsule feeding main pipe, one end of which is connected to the right capsule inlet of the vulcanizer, and the other end is connected to the shaping nitrogen feeding subsystem and the internal pressure feeding subsystem through the three-way valve of the right capsule feeding main pipe. The right capsule feeding main pipe is also provided with a right capsule feeding main valve;

[0007] The left capsule discharge pipeline includes a left capsule discharge main pipe, one end of which is connected to the left capsule outlet of the vulcanizer, and the other end is connected to the internal pressure discharge subsystem through the left capsule discharge main pipe valve; the right capsule discharge pipeline includes a right capsule discharge main pipe, one end of which is connected to the right capsule inlet of the vulcanizer, and the other end is connected to the internal pressure discharge subsystem through the right capsule discharge main pipe valve;

[0008] The shaping nitrogen supply subsystem includes a left shaping nitrogen supply pipeline and a right shaping nitrogen supply pipeline. The left shaping nitrogen three-way valve is connected between the left shaping nitrogen supply pipeline and the second end of the three-way valve of the left capsule supply main pipe, and the right shaping nitrogen three-way valve is connected between the right shaping nitrogen supply pipeline and the second end of the three-way valve of the right capsule supply main pipe.

[0009] The left shaping nitrogen three-way valve, the right shaping nitrogen three-way valve, the left capsule feeding main three-way valve, the left capsule discharging main valve, the right capsule feeding main three-way valve, the right capsule discharging main valve, the right capsule feeding main valve and the left capsule feeding main valve are all pneumatic valves. The pressure maintaining pipeline subsystem includes a left pressure maintaining selection valve. The driving air inlet end of the left shaping nitrogen three-way valve is connected to the third outlet end of the left pressure maintaining selection valve, the driving air inlet end of the left capsule feeding main three-way valve is connected to the second outlet end of the left pressure maintaining selection valve, the left capsule discharging main valve is connected to the first outlet end of the left pressure maintaining selection valve, the driving air inlet end of the left capsule feeding main valve is connected to the left capsule cut-off valve, the gas inlet end of the left pressure maintaining selection valve is connected to one end of the left capsule cut-off valve, the other end of the left capsule cut-off valve is connected to the first end of the pressure maintaining main valve, and is connected to the external air supply system through the second end of the pressure maintaining main valve;

[0010] The driving air inlet end of the right shaping nitrogen three-way valve is connected to the third outlet end of the right pressure-maintaining selection valve, the driving air inlet end of the right capsule feeding main three-way valve is connected to the second outlet end of the right pressure-maintaining selection valve, the driving air inlet end of the right capsule discharge main valve is connected to the first outlet end of the right pressure-maintaining selection valve, the driving air inlet end of the right capsule feeding main valve is connected to the right capsule cut-off valve, the gas inlet end of the right pressure-maintaining selection valve is connected to one end of the right capsule cut-off valve, and the other end of the right capsule cut-off valve is connected to the third end of the pressure-maintaining main valve.

[0011] In the above scheme: the left shaping nitrogen feeding pipeline includes a left shaping nitrogen valve, one end of the left shaping nitrogen valve is connected to the left shaping nitrogen feeding tank, the other end of the left shaping nitrogen valve is connected to one end of the left shaping nitrogen steam filter, the other end of the left shaping nitrogen steam filter is connected to one end of the left shaping nitrogen pneumatic volume accumulator, the other end of the left shaping nitrogen pneumatic volume accumulator is connected to the first end of the left shaping nitrogen three-way valve, and the second end of the left shaping nitrogen three-way valve is connected to the second end of the left capsule feeding main three-way valve;

[0012] The right shaping nitrogen feeding pipeline includes a right shaping nitrogen valve, one end of the right shaping nitrogen valve is connected to the right shaping nitrogen feeding tank, the other end of the right shaping nitrogen valve is connected to one end of the right shaping nitrogen steam filter, the other end of the right shaping nitrogen steam filter is connected to one end of the right shaping nitrogen pneumatic volume accumulator, the other end of the right shaping nitrogen pneumatic volume accumulator is connected to the first end of the right shaping nitrogen three-way valve, and the second end of the right shaping nitrogen three-way valve is connected to the second end of the left capsule feeding main three-way valve and the second end of the right capsule feeding main three-way valve.

[0013] In the above scheme: the internal pressure inlet subsystem includes an internal pressure inlet main pipe, one end of which is connected to the third end of the three-way valve of the left capsule feeding main pipe and the third end of the three-way valve of the right capsule feeding main pipe; the other end of the internal pressure inlet main pipe is used to connect the low-pressure steam pipeline, the high-pressure steam pipeline, the high-pressure nitrogen input pipeline, the main exhaust pipeline and the vacuum pipeline.

[0014] In the above solution: the low-pressure steam input pipeline includes a low-pressure steam valve, a low-pressure steam electric three-way valve and a low-pressure steam check valve which are sequentially connected along the gas flow direction; the low-pressure steam check valve is connected to the other end of the internal pressure inlet main pipe, and the low-pressure steam valve is connected to the low-pressure steam supply pipeline;

[0015] The high-pressure steam pipeline includes a high-pressure steam valve, a high-pressure steam electric three-way valve and a high-pressure steam check valve which are sequentially connected along the gas flow direction. The high-pressure steam check valve is connected to the other end of the internal pressure inlet main pipe, and the high-pressure steam valve is connected to the high-pressure steam supply pipeline;

[0016] The high-pressure nitrogen input pipeline includes a high-pressure nitrogen valve and a high-pressure nitrogen electric three-way valve that are sequentially connected along the gas flow direction. The first end of the high-pressure nitrogen electric three-way valve is connected to the other end of the internal pressure inlet main pipe, and the second end of the high-pressure nitrogen electric three-way valve is connected to one end of the high-pressure nitrogen steam filter. The other end of the high-pressure nitrogen steam filter is connected to one end of the high-pressure nitrogen valve, and the other end of the high-pressure nitrogen valve is connected to the high-pressure nitrogen supply pipeline.

[0017] In the above scheme: the internal pressure outflow subsystem includes an internal pressure outflow main pipe, one end of which is connected to the third end of the three-way valve of the left capsule feeding main pipe and the third end of the three-way valve of the right capsule feeding main pipe; the other end of the internal pressure outflow main pipe is used to connect the high-pressure nitrogen discharge pipeline, the condensate discharge pipeline, and the high-pressure nitrogen recovery pipeline.

[0018] In the above solution: the high-pressure nitrogen discharge pipeline is sequentially connected with a nitrogen discharge steam filter, a nitrogen discharge three-way valve and a nitrogen discharge valve along its gas flow direction, and is connected to the nitrogen discharge system through the nitrogen discharge valve;

[0019] The condensate discharge pipeline is connected to a condensate discharge steam filter, a condensate discharge three-way valve and a condensate discharge valve in sequence along the gas flow direction, and is connected to the nitrogen discharge system through the condensate discharge valve;

[0020] The high-pressure nitrogen recovery pipeline is sequentially connected with a nitrogen recovery steam filter, a nitrogen recovery three-way valve and a nitrogen recovery valve along its gas flow direction, and is connected to the nitrogen recovery system through the nitrogen recovery valve.

[0021] In the above solution, the other end of the internal pressure outlet pipe and the other end of the internal pressure inlet pipe are both connected to a main exhaust pipe and a vacuum pumping pipe.

[0022] In the above solution: the main exhaust pipeline includes a main exhaust electric three-way valve, a main exhaust check valve and a main exhaust valve, the first end of the main exhaust electric three-way valve is connected to the other end of the internal pressure inlet main pipe or the other end of the internal pressure outlet main pipe, the second end of the main exhaust electric three-way valve is connected to one end of the main exhaust check valve, the other end of the main exhaust check valve is connected to one end of the main exhaust valve, and the other end of the main exhaust valve is connected to the main exhaust supply pipeline;

[0023] The vacuum pipeline includes a vacuum electric three-way valve, a vacuum check valve and a vacuum valve. The first end of the vacuum electric three-way valve is connected to the other end of the internal pressure inlet main pipe or the other end of the internal pressure outlet main pipe. The second end of the vacuum electric three-way valve is connected to one end of the vacuum check valve. The other end of the vacuum check valve is connected to one end of the vacuum valve. The other end of the vacuum valve is connected to the vacuum supply pipeline.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows: the left capsule cut-off valve and the right capsule cut-off valve are capable of independently controlling the valves in the material pipeline of the left capsule or the right capsule, and realizing the independent air intake and pressure maintaining functions for the left and right capsules through unilateral closure, which can protect the tire on the other side when the dual-mode vulcanizer loses pressure and temperature on one side, and can also improve the efficiency of pre-expansion of the newly replaced vulcanizing capsule, and independently control the expansion of the capsule without affecting the automatic action of the tire loading and unloading hands on one side. The number of waste products and the expansion time after the capsules are alternated (independent control) are reduced, and the inspection of the capsules is convenient, and the dual-mode waste caused by capsule leakage can be reduced to 20%. While controlling the pressure maintaining and cutting of the unilateral capsule, it does not affect the action continuity of the unilateral manipulator, and while reducing waste products, it improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0026] Figure 1 It is a system diagram of the present utility model. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0028] like Figure 1 As shown, a multifunctional dual-mode vulcanization thermal piping system capable of maintaining pressure includes a dual-material piping subsystem and a pressure-maintaining piping subsystem.

[0029] The dual material pipeline subsystem includes a left capsule feeding pipeline, a right capsule feeding pipeline, a left capsule discharging pipeline and a right capsule discharging pipeline. The left capsule feeding pipeline includes a left capsule feeding main pipe. One end of the left capsule feeding main pipe is connected to the left capsule inlet end of the vulcanizer, and the other end is connected to one end of the left capsule feeding main valve 2a. The other end of the left capsule feeding main valve 2a is connected to the first end of the left capsule feeding main three-way valve 2b. The other end is connected to one end of the left capsule feeding main valve 2a. The other end of the left capsule feeding main valve 2a is connected to the first end of the left capsule feeding main three-way valve 2b. The second end of the left capsule feeding main three-way valve 2b is connected to the shaping nitrogen feeding subsystem, and the third end of the left capsule feeding main three-way valve 2b is connected to the internal pressure inlet subsystem.

[0030] The right capsule feeding pipeline includes a right capsule feeding main pipe, one end of the right capsule feeding main pipe is connected to the right capsule 3 inlet end of the vulcanizer, and the other end is connected to one end of the right capsule feeding main valve 3a, the other end of the right capsule feeding main valve 3a is connected to the first end of the right capsule feeding main three-way valve 3c, the second end of the right capsule feeding main three-way valve 3c is connected to the shaping nitrogen feeding subsystem, and the third end of the right capsule feeding main three-way valve 3c is connected to the internal pressure inlet subsystem.

[0031] The shaping nitrogen feeding subsystem includes a left shaping nitrogen feeding pipeline and a right shaping nitrogen feeding pipeline. The left shaping nitrogen feeding pipeline includes a left shaping nitrogen valve 4d. One end of the left shaping nitrogen valve 4d is connected to the left shaping nitrogen feeding tank, and the other end of the left shaping nitrogen valve 4d is connected to one end of the left shaping nitrogen steam filter 4c. The other end of the left shaping nitrogen steam filter 4c is connected to one end of the left shaping nitrogen pneumatic volume accumulator 4b. The other end of the left shaping nitrogen pneumatic volume accumulator 4b is connected to the first end of the left shaping nitrogen three-way valve 4a. The second end of the left shaping nitrogen three-way valve 4a is connected to the second end of the left capsule feeding main three-way valve 2b.

[0032] The right shaping nitrogen feed pipeline includes a right shaping nitrogen valve 9d, one end of the right shaping nitrogen valve 9d is connected to the right shaping nitrogen feed tank, the other end of the right shaping nitrogen valve 9d is connected to one end of the right shaping nitrogen steam filter 9c, the other end of the right shaping nitrogen steam filter 9c is connected to one end of the right shaping nitrogen pneumatic volume accumulator 9b, the other end of the right shaping nitrogen pneumatic volume accumulator 9b is connected to the first end of the right shaping nitrogen three-way valve 9a, and the second end of the right shaping nitrogen three-way valve 9a is connected to the second end of the right capsule feeding main three-way valve 3c.

[0033] The internal pressure inlet subsystem includes an internal pressure inlet main pipe, one end of which is connected to the third end of the three-way valve 2b of the left capsule feeding main pipe and the third end of the three-way valve 3c of the right capsule feeding main pipe; the other end of the internal pressure inlet main pipe is used to connect the low-pressure steam pipeline, the high-pressure steam pipeline, the high-pressure nitrogen input pipeline, the main exhaust pipeline and the vacuum pipeline.

[0034] The low-pressure steam input pipeline includes a low-pressure steam valve 5c, a low-pressure steam electric three-way valve 5b and a low-pressure steam check valve 5a which are sequentially connected along the gas flow direction. The low-pressure steam check valve 5a is connected to the other end of the internal pressure inlet main pipe, and the low-pressure steam valve 5c is connected to the low-pressure steam supply pipeline.

[0035] The high-pressure steam pipeline includes a high-pressure steam valve 6c, a high-pressure steam electric three-way valve 6b and a high-pressure steam check valve 6a which are sequentially connected along the gas flow direction. The high-pressure steam check valve 6a is connected to the other end of the internal pressure inlet main pipe, and the high-pressure steam valve 6c is connected to the high-pressure steam supply pipeline.

[0036] The high-pressure nitrogen input pipeline includes a high-pressure nitrogen valve 7c and a high-pressure nitrogen electric three-way valve 7a which are sequentially connected along the gas flow direction. The first end of the high-pressure nitrogen electric three-way valve 7a is connected to the other end of the internal pressure inlet main pipe, and the second end of the high-pressure nitrogen electric three-way valve 7a is connected to one end of the high-pressure nitrogen steam filter 7b. The other end of the high-pressure nitrogen steam filter 7b is connected to one end of the high-pressure nitrogen valve 7c, and the other end of the high-pressure nitrogen valve 7c is connected to the high-pressure nitrogen supply pipeline.

[0037] The left capsule discharge pipeline includes a left capsule discharge main pipe. One end of the left capsule discharge main pipe is connected to the outlet of the left capsule 2 of the vulcanizer, and the other end is connected to the first end of the left capsule discharge main pipe valve 2c. The second end of the left capsule discharge main pipe valve 2c is connected to the internal pressure discharge subsystem. The right capsule discharge pipeline includes a right capsule discharge main pipe. One end of the right capsule discharge main pipe is connected to the inlet of the right capsule 3 of the vulcanizer, and the other end is connected to the first end of the right capsule discharge main pipe valve 3b. The second end of the right capsule discharge main pipe valve 3b is connected to the internal pressure discharge subsystem.

[0038] The internal pressure discharge subsystem includes an internal pressure discharge main pipe, one end of which is connected to the third end of the three-way valve 2b on the left capsule feed main pipe and the third end of the three-way valve 3c on the right capsule feed main pipe. The other end of the internal pressure discharge main pipe is connected to the high-pressure nitrogen discharge line, condensate discharge line, high-pressure nitrogen recovery line, main discharge line, and vacuum line.

[0039] The high-pressure nitrogen discharge pipeline is sequentially connected with a nitrogen discharge steam filter 12a, a nitrogen discharge three-way valve 12b and a nitrogen discharge valve 12c along its gas flow direction, and is connected to the nitrogen discharge system through the nitrogen discharge valve 12c.

[0040] The condensate discharge pipeline is sequentially connected with a condensate discharge steam filter 11a, a condensate discharge three-way valve 11b and a condensate discharge valve 11c along the gas flow direction thereof, and is connected with the nitrogen discharge system through the condensate discharge valve 11c.

[0041] The high-pressure nitrogen recovery pipeline is sequentially connected with a nitrogen recovery steam filter 10a, a nitrogen recovery three-way valve 10b and a nitrogen recovery valve 10c along its gas flow direction, and is connected to the nitrogen recovery system through the nitrogen recovery valve 10c.

[0042] The main exhaust pipeline includes a main exhaust electric three-way valve 8a, a main exhaust check valve 8b and a main exhaust valve 8c. The first end of the main exhaust electric three-way valve 8a is connected to the other end of the internal pressure inlet main pipe or the other end of the internal pressure outlet main pipe, the second end of the main exhaust electric three-way valve 8a is connected to one end of the main exhaust check valve 8b, the other end of the main exhaust check valve 8b is connected to one end of the main exhaust valve 8c, and the other end of the main exhaust valve 8c is connected to the main exhaust supply pipeline.

[0043] The vacuum line includes an electric three-way vacuum valve 13a, a vacuum check valve 13b, and a vacuum valve 13c. The first end of the electric three-way vacuum valve 13a is connected to the other end of the internal pressure inlet pipe or the other end of the internal pressure outlet pipe. The second end of the electric three-way vacuum valve 13a is connected to one end of the vacuum check valve 13b. The other end of the vacuum check valve 13b is connected to one end of the vacuum valve 13c. The other end of the vacuum valve 13c is connected to the vacuum supply line. An internal pressure steam filter 3d is also installed on the internal pressure outlet pipe.

[0044] The left shaping nitrogen three-way valve 4a, the right shaping nitrogen three-way valve 9a, the left capsule feeding main three-way valve 2b, the right capsule feeding main three-way valve 3c, the right capsule feeding main valve 3a and the left capsule feeding main valve 2a are all pneumatic valves. The pressure maintaining pipeline subsystem includes the left pressure maintaining selection valve 1d. The driving air inlet end of the left shaping nitrogen three-way valve 4a is connected to the third outlet end of the left pressure maintaining selection valve 1d, the driving air inlet end of the left capsule feeding main three-way valve 2b is connected to the second outlet end of the left pressure maintaining selection valve 1d, the driving air inlet end of the left capsule feeding main valve 2a is connected to the first outlet end of the left pressure maintaining selection valve 1d, the gas inlet end of the left pressure maintaining selection valve 1d is connected to one end of the left capsule cut-off valve 1a, and the other end of the left capsule cut-off valve 1a is connected to the first end of the pressure maintaining main valve 1c, and is connected to the external air supply system through the second end of the pressure maintaining main valve 1c.

[0045] The driving air inlet end of the right shaping nitrogen three-way valve 9a is connected to the third outlet end of the right pressure-maintaining selection valve 1e, the driving air inlet end of the right capsule feeding main three-way valve 3c is connected to the second outlet end of the right pressure-maintaining selection valve 1e, the driving air inlet end of the right capsule feeding main valve 3a is connected to the first outlet end of the right pressure-maintaining selection valve 1e, the gas inlet end of the right pressure-maintaining selection valve 1e is connected to one end of the right capsule cut-off valve, and the other end of the right capsule cut-off valve 1b is connected to the third end of the pressure-maintaining main valve 1c.

Claims

1. A multifunctional dual-mode vulcanization thermal piping system capable of maintaining pressure, characterized by: Including dual material piping subsystem and pressure maintaining piping subsystem; The dual material pipeline subsystem includes a left capsule feeding pipeline, a right capsule feeding pipeline, a left capsule discharging pipeline, and a right capsule discharging pipeline. The left capsule feeding pipeline includes a left capsule feeding main pipe. One end of the left capsule feeding main pipe is connected to the inlet end of the left capsule (2) of the vulcanizer, and the other end is connected to the shaping nitrogen feeding subsystem and the internal pressure feeding subsystem through a left capsule feeding main pipe three-way valve (2b). A left capsule feeding main valve (2a) is also provided in the middle of the left capsule feeding main pipe. The right capsule feeding pipeline comprises a right capsule feeding main pipe, one end of which is connected to the inlet of the right capsule (3) of the vulcanizing machine, and the other end of which is connected to the shaping nitrogen feeding subsystem and the internal pressure feeding subsystem via a three-way valve (3c) of the right capsule feeding main pipe, and a right capsule feeding main valve (3a) is also provided on the right capsule feeding main pipe; The left capsule discharge pipeline comprises a left capsule discharge main pipe, one end of which is connected to the outlet end of the left capsule (2) of the vulcanizer, and the other end is connected to the internal pressure discharge subsystem via a left capsule discharge main pipe valve (2c); the right capsule discharge pipeline comprises a right capsule discharge main pipe, one end of which is connected to the inlet end of the right capsule (3) of the vulcanizer, and the other end is connected to the internal pressure discharge subsystem via a right capsule discharge main pipe valve (3b); The shaping nitrogen supply subsystem comprises a left shaping nitrogen supply pipeline and a right shaping nitrogen supply pipeline, wherein the left shaping nitrogen supply pipeline is connected to the second end of the left capsule supply main three-way valve (2b) via the left shaping nitrogen three-way valve (4a), and the right shaping nitrogen supply pipeline is connected to the second end of the right capsule supply main three-way valve (3c) via the right shaping nitrogen three-way valve (9a); The left shaping nitrogen three-way valve (4a), the right shaping nitrogen three-way valve (9a), the left capsule feeding main three-way valve (2b), the left capsule discharging main valve (2c), the right capsule feeding main three-way valve (3c), the right capsule discharging main valve (3b), the right capsule feeding main valve (3a) and the left capsule feeding main valve (2a) are all pneumatic valves. The pressure-maintaining pipeline subsystem includes a left pressure-maintaining selection valve (1d). The driving air inlet end of the left shaping nitrogen three-way valve (4a) is connected to the third outlet end of the left pressure-maintaining selection valve (1d). The driving air inlet end of the capsule feeding main three-way valve (2b) is connected to the second outlet end of the left pressure-maintaining selection valve (1d); the left capsule discharging main valve (2c) is connected to the first outlet end of the left pressure-maintaining selection valve (1d); the driving air inlet end of the left capsule feeding main valve (2a) is connected to the left capsule cut-off valve (1a); the air inlet end of the left pressure-maintaining selection valve (1d) is connected to one end of the left capsule cut-off valve (1a); the other end of the left capsule cut-off valve (1a) is connected to the first end of the pressure-maintaining main valve (1c); and the second end of the pressure-maintaining main valve (1c) is connected to an external air supply system; The driving air inlet end of the right shaping nitrogen three-way valve (9a) is connected to the third outlet end of the right pressure-maintaining selection valve (1e); the driving air inlet end of the right capsule feeding main three-way valve (3c) is connected to the second outlet end of the right pressure-maintaining selection valve (1e); the driving air inlet end of the right capsule discharging main valve (3b) is connected to the first outlet end of the right pressure-maintaining selection valve (1e); the driving air inlet end of the right capsule feeding main valve (3a) is connected to the right capsule shut-off valve (1b); the air inlet end of the right pressure-maintaining selection valve (1e) is connected to one end of the right capsule shut-off valve (1b); and the other end of the right capsule shut-off valve (1b) is connected to the third end of the pressure-maintaining main valve (1c).

2. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 1, characterized in that: The left-shaped nitrogen feeding pipeline comprises a left-shaped nitrogen valve (4d), one end of the left-shaped nitrogen valve (4d) is connected to the left-shaped nitrogen feeding tank, the other end of the left-shaped nitrogen valve (4d) is connected to one end of the left-shaped nitrogen steam filter (4c), the other end of the left-shaped nitrogen steam filter (4c) is connected to one end of the left-shaped nitrogen pneumatic volume accumulator (4b), the other end of the left-shaped nitrogen pneumatic volume accumulator (4b) is connected to the first end of the left-shaped nitrogen three-way valve (4a), and the second end of the left-shaped nitrogen three-way valve (4a) is connected to the second end of the left capsule feeding main three-way valve (2b); The right shaping nitrogen supply pipeline comprises a right shaping nitrogen valve (9d), one end of the right shaping nitrogen valve (9d) is connected to a right shaping nitrogen supply tank, the other end of the right shaping nitrogen valve (9d) is connected to one end of a right shaping nitrogen steam filter (9c), the other end of the right shaping nitrogen steam filter (9c) is connected to one end of a right shaping nitrogen pneumatic volume accumulator (9b), the other end of the right shaping nitrogen pneumatic volume accumulator (9b) is connected to a first end of a right shaping nitrogen three-way valve (9a), and the second end of the right shaping nitrogen three-way valve (9a) is connected to a second end of a left capsule feeding main three-way valve (2b) and a second end of a right capsule feeding main three-way valve (3c).

3. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 1, characterized in that: The internal pressure inlet subsystem comprises an internal pressure inlet main pipe, one end of which is connected to the third end of the three-way valve (2b) of the left capsule feeding main pipe and the third end of the three-way valve (3c) of the right capsule feeding main pipe; the other end of the internal pressure inlet main pipe is used to connect a low-pressure steam pipeline, a high-pressure steam pipeline, a high-pressure nitrogen input pipeline, a main exhaust pipeline and a vacuum pipeline.

4. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 3, characterized in that: The low-pressure steam input pipeline comprises a low-pressure steam valve (5c), a low-pressure steam electric three-way valve (5b), and a low-pressure steam check valve (5a) which are sequentially connected along the gas flow direction; the low-pressure steam check valve (5a) is connected to the other end of the internal pressure inlet main pipe, and the low-pressure steam valve (5c) is connected to the low-pressure steam supply pipeline; The high-pressure steam pipeline comprises a high-pressure steam valve (6c), a high-pressure steam electric three-way valve (6b), and a high-pressure steam check valve (6a) which are sequentially connected along the gas flow direction; the high-pressure steam check valve (6a) is connected to the other end of the internal pressure inlet main pipe, and the high-pressure steam valve (6c) is connected to the high-pressure steam supply pipeline; The high-pressure nitrogen input pipeline comprises a high-pressure nitrogen valve (7c) and a high-pressure nitrogen electric three-way valve (7a) which are sequentially connected and arranged along the gas flow direction; a first end of the high-pressure nitrogen electric three-way valve (7a) is connected to the other end of the internal pressure inlet main pipe; a second end of the high-pressure nitrogen electric three-way valve (7a) is connected to one end of a high-pressure nitrogen steam filter (7b); the other end of the high-pressure nitrogen steam filter (7b) is connected to one end of the high-pressure nitrogen valve (7c); and the other end of the high-pressure nitrogen valve (7c) is connected to the high-pressure nitrogen supply pipeline.

5. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 3, characterized in that: The internal pressure outlet subsystem comprises an internal pressure outlet main pipe, one end of which is connected to the third end of the three-way valve (2b) of the left capsule feeding main pipe and the third end of the three-way valve (3c) of the right capsule feeding main pipe; the other end of the internal pressure outlet main pipe is used to connect to a high-pressure nitrogen discharge pipeline, a condensate discharge pipeline, and a high-pressure nitrogen recovery pipeline.

6. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 5, characterized in that: The high-pressure nitrogen discharge pipeline is sequentially connected with a nitrogen discharge steam filter (12a), a nitrogen discharge three-way valve (12b), and a nitrogen discharge valve (12c) along the gas flow direction thereof, and is connected to the nitrogen discharge system through the nitrogen discharge valve (12c); The condensate discharge pipeline is sequentially connected with a condensate discharge steam filter (11a), a condensate discharge three-way valve (11b) and a condensate discharge valve (11c) along the gas flow direction thereof, and is connected to a nitrogen discharge system via the condensate discharge valve (11c); The high-pressure nitrogen recovery pipeline is sequentially connected with a nitrogen recovery steam filter (10a), a nitrogen recovery three-way valve (10b), and a nitrogen recovery valve (10c) along the gas flow direction thereof, and is connected with the nitrogen recovery system via the nitrogen recovery valve (10c).

7. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 5, characterized in that: The other end of the internal pressure outlet main pipe and the other end of the internal pressure inlet main pipe are both connected to a main exhaust pipeline and a vacuum pipeline.

8. The multifunctional dual-mode vulcanized thermal piping system capable of maintaining pressure according to claim 7, characterized in that: The main exhaust pipeline comprises a main exhaust electric three-way valve (8a), a main exhaust check valve (8b) and a main exhaust valve (8c); a first end of the main exhaust electric three-way valve (8a) is connected to the other end of the internal pressure inlet main pipe or the other end of the internal pressure outlet main pipe; a second end of the main exhaust electric three-way valve (8a) is connected to one end of the main exhaust check valve (8b); the other end of the main exhaust check valve (8b) is connected to one end of the main exhaust valve (8c); and the other end of the main exhaust valve (8c) is connected to the main exhaust supply pipeline; The vacuum pumping pipeline comprises a vacuum pumping electric three-way valve (13a), a vacuum pumping check valve (13b) and a vacuum pumping valve (13c); a first end of the vacuum pumping electric three-way valve (13a) is connected to the other end of the internal pressure inlet pipe or the other end of the internal pressure outlet pipe; a second end of the vacuum pumping electric three-way valve (13a) is connected to one end of the vacuum pumping check valve (13b); the other end of the vacuum pumping check valve (13b) is connected to one end of the vacuum pumping valve (13c); and the other end of the vacuum pumping valve (13c) is connected to the vacuum pumping supply pipeline.

Images