CN220297625U - Tire total nitrogen vulcanization circulation system - Google Patents
Tire total nitrogen vulcanization circulation system Download PDFInfo
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- CN220297625U CN220297625U CN202321637858.XU CN202321637858U CN220297625U CN 220297625 U CN220297625 U CN 220297625U CN 202321637858 U CN202321637858 U CN 202321637858U CN 220297625 U CN220297625 U CN 220297625U
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- nitrogen
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 320
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 160
- 238000004073 vulcanization Methods 0.000 title claims abstract description 23
- 230000001502 supplementing effect Effects 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model relates to the technical field of tire vulcanization, and provides a tire total nitrogen vulcanization circulating system which comprises a new nitrogen main pipeline, a high-pressure high-temperature circulating loop and a plurality of vulcanizing machines arranged in the high-pressure high-temperature circulating loop. The system adopts nitrogen to heat to the temperature required by the process to replace steam as a heat source to ensure the heat required by the vulcanization process, does not need to arrange a power pit, and reduces the civil engineering cost and the equipment acquisition cost. After the high-temperature and high-pressure nitrogen is utilized by the vulcanizing machines, the discharged high-temperature and high-pressure nitrogen is pressurized by the circulating booster and then is re-conveyed to each vulcanizing machine, so that the recycling of the nitrogen is realized, and the energy conservation and the environmental protection are realized. According to the utility model, the nitrogen temperature of the main loop is detected in real time through the thermal resistor, the on-off state of the air supplementing regulating valve is regulated according to the nitrogen temperature, the condition that the temperature suddenly drops due to heat dissipation of the pipeline caused by insufficient nitrogen flow in the pipeline is avoided, and the operation stability is good.
Description
Technical Field
The utility model relates to the technical field of tire vulcanization, in particular to a tire total nitrogen vulcanization circulation system.
Background
At present, the main vulcanization process of all-steel and semisteel tires adopts a steam heat source to assist nitrogen to provide pressure, the vulcanization process mostly adopts a hot plate type capsule shaping vulcanizing machine to carry out inside-outside pressure bidirectional heat conduction vulcanization on the formed green tire, internal pressure steam is introduced into a capsule in the green tire to supply heat from inside to outside, external pressure steam is introduced into a hot plate of a mounting mold, and the heating mold is used for supplying heat to the green tire from outside to inside.
The steam heat source of the traditional vulcanization process is provided by a boiler, and common types include a coal boiler, a natural gas boiler, a biomass boiler and the like, and the boiler generates a large amount of toxic and harmful gases such as sulfur dioxide, carbon monoxide and the like in the working process, so that the environmental pollution is serious; in addition, the main drainage of the high-pressure steam emission of the existing tire nitrogen vulcanization system is required to be configured into a power station pit, and the civil engineering and equipment acquisition costs are high.
The high-temperature and high-pressure tire total nitrogen vulcanization circulation system can replace steam to be used as a heat source to ensure the heat required by the vulcanization process by heating nitrogen to the temperature required by the process, so that the defects caused by high-pressure steam are avoided.
For most tire enterprises, the quantity of vulcanizing equipment is large, the running and maintenance time of each equipment are not uniform, because the enthalpy value of hot nitrogen is low, the heat dissipation is very fast, and under the condition of less using amount of vulcanizing machine, the temperature suddenly drops due to the fact that the heat dissipation of the pipeline is caused by insufficient nitrogen flow in the pipeline, the process requirement cannot be met, and the design difficulty of the total nitrogen vulcanizing circulation system is increased.
Therefore, how to provide a continuous, stable and real-time nitrogen supply for the multi-vulcanizing device to ensure the temperature and pressure required by the vulcanizing process, and realize the recycling of nitrogen, and the high-temperature and high-pressure tire total nitrogen vulcanizing circulating system becomes a problem to be solved.
Disclosure of Invention
In order to solve the problems existing in the background technology, the utility model provides a tire total nitrogen vulcanization circulation system, which comprises a new nitrogen main pipeline, a high-pressure high-temperature circulation loop and a plurality of vulcanizing machines arranged in the high-pressure high-temperature circulation loop, wherein:
a new nitrogen booster connected with a nitrogen source and a high-pressure nitrogen tank connected with the new nitrogen booster through a pipeline are arranged in the new nitrogen main pipeline;
the vulcanizing machine is provided with a nitrogen inlet, a high-temperature high-pressure nitrogen outlet and a low-pressure medium-temperature nitrogen outlet;
the high-pressure high-temperature circulation loop comprises a main loop connected with a high-pressure nitrogen tank and a plurality of branch loops connected in parallel, and a nitrogen inlet and a high-temperature high-pressure nitrogen outlet of each vulcanizing machine are respectively connected with each branch loop; an air inlet control valve is arranged in a main loop connected with the nitrogen pressing tank;
the main loop is provided with a circulating pressurizing device, an electric heater and a gas supplementing adjusting device, wherein the circulating pressurizing device comprises a nitrogen circulating buffer tank and a nitrogen circulating supercharger and is used for pressurizing nitrogen in the high-pressure high-temperature circulating loop;
the air supplementing adjusting device comprises a thermal resistor and an air supplementing adjusting valve which are arranged in the main loop and is used for measuring the temperature of nitrogen in the main loop and adjusting the opening of the air supplementing adjusting valve to adjust the flow of the nitrogen in the main loop.
Further, the system also comprises a low-pressure medium-temperature circulation pipeline which is respectively connected with the low-pressure medium-temperature nitrogen outlet and the high-pressure nitrogen tank of each vulcanizing machine and used for recycling the low-pressure medium-temperature nitrogen generated by each vulcanizing machine.
Further, a nitrogen recovery buffer tank and a nitrogen recovery cooler are arranged in the low-pressure medium-temperature circulating pipeline.
Further, the system also comprises a normal pressure temperature recovery pipeline, each vulcanizing machine is provided with a normal pressure temperature nitrogen outlet, the normal pressure temperature recovery pipeline is connected with the normal pressure temperature nitrogen outlet of each vulcanizing machine, and a main discharge tank is arranged to recover the normal pressure temperature nitrogen generated by each vulcanizing machine to the main discharge tank.
The beneficial effects achieved by the utility model are as follows:
the utility model provides a complete high-temperature high-pressure tire nitrogen circulation system and a control method, wherein a power pit is not required to be arranged in the system, and the civil engineering cost and the equipment acquisition cost are reduced.
The system adopts nitrogen to heat to the temperature required by the process to replace steam as a heat source to ensure the heat required by the vulcanization process, the nitrogen needs to be recycled and heated and warmed up in time according to the requirements of the vulcanization process, the high-temperature high-pressure tire nitrogen vulcanization circulation system pressurizes the vulcanized nitrogen to the temperature which meets the requirements of the process through the high-temperature high-pressure booster, the vulcanized nitrogen enters the high-pressure nitrogen tank, the parameter fluctuation of the gas is reduced through the high-pressure nitrogen tank, and the gas in the tank enters the vulcanizing machine to provide pressure and heat for vulcanization after being heated by the heater to the temperature required by the vulcanization process. After the high-temperature and high-pressure nitrogen is utilized by the vulcanizing machines, the discharged high-temperature and high-pressure nitrogen is temporarily stored by a nitrogen circulating buffer tank in a main loop of the high-pressure and high-temperature circulating loop, is pressurized to 2.6MPa by a circulating booster, is heated to more than 180 ℃ by a heater and is then re-conveyed to each vulcanizing machine, so that the recycling of the nitrogen is realized, and the energy conservation and the environmental protection are realized.
According to the utility model, the nitrogen temperature of the main loop is detected in real time through the thermal resistor, the on-off state of the air supplementing regulating valve is regulated according to the nitrogen temperature, the condition that the temperature suddenly drops due to heat dissipation of the pipeline caused by insufficient nitrogen flow in the pipeline is avoided, and the operation stability is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Reference numerals in the drawings:
1. a new nitrogen main pipeline; 11. a new nitrogen booster; 12. a high pressure nitrogen tank; 2. a high pressure high temperature circulation loop; 21. an electric heater; 22. a nitrogen circulation buffer tank; 23. a nitrogen recycle booster; 24. an air supply regulating valve; 25. thermal resistance; 3. a low-pressure medium-temperature circulating pipeline; 31. a nitrogen recovery buffer tank; 32. a nitrogen recovery cooler; 33. recovering the supercharger; 4. a normal pressure recovery pipeline with temperature; 41. a main tank row; 5. an intake control valve.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.
Referring to fig. 1, a tire total nitrogen vulcanization circulation system comprises a new nitrogen main pipeline 1, a high-pressure high-temperature circulation loop 2 and a plurality of vulcanizing machines arranged in the high-pressure high-temperature circulation loop 2, wherein a new nitrogen booster 11 connected with a nitrogen source and a high-pressure nitrogen tank 12 connected with the new nitrogen booster 11 through pipelines are arranged in the new nitrogen main pipeline 1; the vulcanizing machine is provided with a nitrogen inlet, a high-temperature high-pressure nitrogen outlet and a low-pressure medium-temperature nitrogen outlet; the high-pressure high-temperature circulation loop 2 comprises a main loop connected with the high-pressure nitrogen tank 12 and a plurality of branch loops connected in parallel, and a nitrogen inlet and a high-temperature high-pressure nitrogen outlet of each vulcanizing machine are respectively connected with each branch loop; an intake control valve 5 is provided in the main circuit connected to the nitrogen pressure tank.
The main circuit is provided with a circulating pressurizing device, an electric heater 21 and a gas supplementing adjusting device, wherein the circulating pressurizing device comprises a nitrogen circulating buffer tank 22 and a nitrogen circulating supercharger 23 and is used for pressurizing nitrogen in the high-pressure high-temperature circulating circuit 2;
the air supplementing adjusting device comprises a thermal resistor 25 and an air supplementing adjusting valve 24 which are arranged in the main loop and are used for measuring the temperature of nitrogen in the main loop and adjusting the opening of the air supplementing adjusting valve 24 to adjust the flow of the nitrogen in the main loop.
The system further comprises a low-pressure medium-temperature circulation pipeline 3, wherein the low-pressure medium-temperature circulation pipeline 3 is respectively connected with a low-pressure medium-temperature nitrogen outlet of each vulcanizing machine and a high-pressure nitrogen tank 12, and is used for recycling low-pressure medium-temperature nitrogen generated by each vulcanizing machine. The low-pressure medium-temperature circulation line 3 is provided with a nitrogen recovery buffer tank 31 and a nitrogen recovery cooler 32.
The system further comprises a normal pressure temperature recovery pipeline 4, each vulcanizing machine is provided with a normal pressure temperature nitrogen outlet, the normal pressure temperature recovery pipeline 4 is connected with the normal pressure temperature nitrogen outlet of each vulcanizing machine, and a main discharge tank 41 is arranged to recover the normal pressure temperature nitrogen generated by each vulcanizing machine to the main discharge tank 41.
In a preferred embodiment, the circulating booster is a high-temperature turbine nitrogen circulating booster 23, and is used for forced closed circulation of nitrogen in the high-pressure high-temperature circulating loop 2.
The working process of the tire total nitrogen vulcanization circulation system is as follows:
s1, nitrogen source nitrogen enters a high-pressure nitrogen tank 12 after being pressurized by a new nitrogen booster 11 in a new nitrogen main pipeline 1, and enters a high-pressure high-temperature circulation loop 2 through the high-pressure nitrogen tank 12 to provide high-temperature high-pressure nitrogen for vulcanizing machines of all branch loops;
s2, after the high-temperature high-pressure nitrogen is utilized by the vulcanizing machine, the discharged high-temperature high-pressure nitrogen is temporarily stored by a nitrogen circulation buffer tank 22 in the main loop of the high-pressure high-temperature circulation loop 2;
s3, pressurizing nitrogen in the nitrogen circulation buffer tank 22 to 2.6MPa through a circulation booster, heating to more than 180 ℃ through a heater, and then conveying the nitrogen to each vulcanizing machine again;
s4, detecting the nitrogen temperature of the main loop in real time by the thermal resistor 25 in the main loop of the high-pressure high-temperature circulation loop 2, wherein the enthalpy value of the hot nitrogen is low, the heat dissipation is fast, and under the condition of less using amount of the vulcanizing machine, in order to avoid the condition that the temperature suddenly drops due to the fact that the heat dissipation of the pipeline is caused by insufficient nitrogen flow in the pipeline, the on-off state of the air supplementing regulating valve 24 is regulated according to the nitrogen temperature:
when the nitrogen temperature is greater than or equal to 180 ℃, the air supplementing regulating valve 24 is closed;
when the temperature of the nitrogen is less than 180 ℃, the air supplementing regulating valve 24 is opened, and part of the nitrogen in the main loop directly returns to the heater without passing through the vulcanizing machine to be reheated to 180 ℃ so that the temperature of the nitrogen in the main loop is not lower than 180 ℃;
s5, temporarily storing low-pressure medium-temperature nitrogen discharged by the vulcanizing machine through a nitrogen recovery buffer tank 31 in the low-pressure medium-temperature circulating pipeline 3;
s6, the nitrogen temporarily stored in the nitrogen recovery buffer tank 31 is cooled by the nitrogen recovery cooler 32, and after being pressurized by the recovery booster 33, enters the high-pressure nitrogen tank 12 to be re-participated in the nitrogen circulation of the high-pressure high-temperature circulation loop 2.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (4)
1. Tire total nitrogen vulcanization circulation system, its characterized in that includes new nitrogen main line (1), high pressure high temperature circulation circuit (2) and installs a plurality of vulcanizers in high pressure high temperature circulation circuit (2), wherein:
a new nitrogen booster (11) connected with a nitrogen source and a high-pressure nitrogen tank (12) connected with the new nitrogen booster (11) through a pipeline are arranged in the new nitrogen main pipeline (1);
the vulcanizing machine is provided with a nitrogen inlet, a high-temperature high-pressure nitrogen outlet and a low-pressure medium-temperature nitrogen outlet;
the high-pressure high-temperature circulation loop (2) comprises a main loop connected with the high-pressure nitrogen tank (12) and a plurality of branch loops connected in parallel, and a nitrogen inlet and a high-temperature high-pressure nitrogen outlet of each vulcanizing machine are respectively connected with each branch loop; an air inlet control valve (5) is arranged in a main loop connected with the nitrogen pressing tank;
the main loop is provided with a circulating pressurizing device, an electric heater (21) and a gas supplementing regulating device, wherein the circulating pressurizing device comprises a nitrogen circulating buffer tank (22) and a nitrogen circulating pressurizing machine (23) and is used for pressurizing nitrogen in the high-pressure high-temperature circulating loop (2);
the air supplementing adjusting device comprises a thermal resistor (25) and an air supplementing adjusting valve (24) which are arranged in the main loop and are used for measuring the temperature of nitrogen in the main loop and adjusting the flow of nitrogen in the main loop.
2. The tire total nitrogen cure cycle system of claim 1 wherein: the low-pressure medium-temperature nitrogen recycling device is characterized by further comprising a low-pressure medium-temperature recycling pipeline (3), wherein the low-pressure medium-temperature recycling pipeline (3) is respectively connected with a low-pressure medium-temperature nitrogen outlet and a high-pressure nitrogen tank (12) of each vulcanizing machine and is used for recycling low-pressure medium-temperature nitrogen generated by each vulcanizing machine.
3. The tire total nitrogen cure cycle system of claim 2 wherein: a nitrogen recovery buffer tank (31) and a nitrogen recovery cooler (32) are arranged in the low-pressure medium-temperature circulating pipeline (3).
4. The tire total nitrogen cure cycle system of claim 1 wherein: the device further comprises a normal pressure temperature recovery pipeline (4), each vulcanizing machine is provided with a normal pressure temperature nitrogen outlet, the normal pressure temperature recovery pipeline (4) is connected with the normal pressure temperature nitrogen outlet of each vulcanizing machine, and a main discharge tank (41) is arranged to recover the normal pressure temperature nitrogen generated by each vulcanizing machine to the main discharge tank (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637858.XU CN220297625U (en) | 2023-06-26 | 2023-06-26 | Tire total nitrogen vulcanization circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637858.XU CN220297625U (en) | 2023-06-26 | 2023-06-26 | Tire total nitrogen vulcanization circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220297625U true CN220297625U (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321637858.XU Active CN220297625U (en) | 2023-06-26 | 2023-06-26 | Tire total nitrogen vulcanization circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220297625U (en) |
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2023
- 2023-06-26 CN CN202321637858.XU patent/CN220297625U/en active Active
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