Hot water supply method for giant tire vulcanization

Abstract

The invention relates to a hot water supply method for giant tire vulcanization, and belongs to the field of tire vulcanization. A water supply pump is arranged below the oxygen hot water tank, deoxygenated hot water in the deoxygenated hot water tank is supplied to the vulcanizing area through a circulating hot water supply main pipe by the water supply pump, and enters the vulcanizing machines through circulating hot water inlet branch pipes of the vulcanizing machines in the vulcanizing area; circulating hot water outlet branch pipes of all the vulcanizing machines in the vulcanizing area are converged to a circulating hot water return header pipe, and circulating hot water returns to the deoxidizing hot water tank through a pressure adjusting device; when hot water circulation of a certain vulcanizing machine is finished and residual hot water needs to be discharged, the residual hot water is firstly discharged to the hot water recovery header pipe for a certain time and then discharged to the zero-pressure recovery header pipe; hot water discharged to a hot water recovery header pipe by each vulcanizing machine in the vulcanizing area directly enters the deoxygenated hot water tank to participate in hot water circulation supply; residual hot water with lower pressure in each vulcanizing machine in the vulcanizing area is discharged to the zero-pressure recovery tank through the zero-pressure recovery header pipe, and enters the deoxygenization hot water tank through the make-up pump and the make-up pipe for liquid level supplementation.

Description

Technical Field

[0001] The invention relates to the field of tire vulcanization, in particular to a hot water supply method for giant tire vulcanization. Background Art

[0002] As we all know, the hot water vulcanizer using hot water vulcanization process needs to discharge the hot water in the capsule before the tire is discharged after the tire is vulcanized. The discharged hot water vaporizes as the pressure decreases, and this vaporization takes away a lot of heat. In order to reduce this heat loss, it is generally discharged to a 5bar tank first, and then the recovered hot water in the 5bar tank is used as a supplement to the deaeration hot water tank, and the hot water with a pressure above 5bar is recovered to recycle the heat carried. However, in the hot water supply method for giant tire vulcanization, the hot water pressure in the deaeration hot water tank is lower than 5bar, so the use of 5bar tank recovery is not as good as direct recovery to the deaeration hot water tank.

[0003] On the other hand, since the capsules filled with hot water in giant tire vulcanizers are generally large in volume, in order to avoid the process of filling hot water into the capsules affecting the pressure of the hot water main and thereby causing internal pressure fluctuations in other vulcanizers, these vulcanizers generally use a primary hot water automatic control valve to initially fill the capsules from the primary hot water main pipeline. Therefore, an independent primary hot water supply system is required. Due to the long vulcanization cycle of giant tires and the small number of vulcanizers, the primary hot water supply system is in an idling state for a long time. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a hot water supply method for vulcanizing a giant tire, which reduces equipment investment, heat loss and operation and maintenance costs.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a hot water supply method for giant tire vulcanization, using a deoxygenated hot water tank, characterized in that a water supply pump is arranged below the deoxygenated hot water tank, and the deoxygenated hot water in the deoxygenated hot water tank is supplied to the vulcanization zone through a circulating hot water supply main pipe by the water supply pump, and enters the vulcanizer through the circulating hot water inlet branch pipes of each vulcanizer in the vulcanization zone; the circulating hot water outlet branch pipes of each vulcanizer in the vulcanization zone are collected to the circulating hot water return main pipe, and the circulating hot water therein is returned to the deoxygenated hot water tank through a pressure regulating device; When a vulcanizer finishes hot water circulation and needs to discharge residual hot water, it is first discharged to the hot water recovery main pipe for a certain period of time, and then discharged to the zero-pressure recovery main pipe; The hot water discharged from each vulcanizing machine in the vulcanizing area to the hot water recovery main pipe directly enters the deaeration hot water tank to participate in the hot water circulation supply; The residual hot water with lower pressure in each vulcanizer in the vulcanization area is discharged to the zero-pressure recovery tank through the zero-pressure recovery main pipe, and enters the deaeration hot water tank through the water supply pump and water supply pipe for liquid level replenishment.

[0006] The beneficial effect of the present invention is that the equipment investment and heat loss are reduced by eliminating the 5 bar hot water recovery device; at the same time, the primary water supply device is eliminated, further reducing the power system investment and operation and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0008] Figure 1 A schematic diagram of the structure of the present invention.

[0009] In the figure, 1. deaerated hot water tank, 2. pressure regulating device, 3. circulating hot water return main pipe, 4. hot water recovery main pipe, 5. zero-pressure recovery main pipe, 6. water supply pipe, 7. zero-pressure recovery tank, 8. water supply pump, 9. water supply pump, 10. circulating hot water supply main pipe. DETAILED DESCRIPTION

[0010] In the figure, the present invention is provided with a deaerator hot water tank 1, and a water supply pump 9 connected with the tank body is arranged below the deaerator hot water tank 1. The water supply pump 9 supplies water to the vulcanization zone through a circulating hot water supply main pipe 10, and is connected to the vulcanizer through the circulating hot water inlet branch pipes of each vulcanizer in the vulcanization zone; the circulating hot water outlet branch pipes of each vulcanizer in the vulcanization zone are collected to the circulating hot water return main pipe 3, and return to the deaerator hot water tank 1 through a pressure regulating device 2; the circulating hot water recovery branch pipes of each vulcanizer in the vulcanization zone are collected to the hot water recovery main pipe 4 through recovery valves and return to the deaerator hot water tank 1; the circulating hot water discharge branch pipes of each vulcanizer in the vulcanization zone are collected to the zero-pressure recovery main pipe 5 through drainage valves and connected to the zero-pressure recovery tank 7, and the water outlet of the zero-pressure recovery tank 7 enters the deaerator hot water tank 1 through a water supply pump 8 and a water supply pipe 6.

[0011] The water supply pump 9 of the present invention supplies the deoxygenated hot water in the deoxygenated hot water tank 1 to the vulcanization area through the circulating hot water supply main pipe 10, and enters the vulcanizer through the circulating hot water inlet branch pipes of each vulcanizer in the vulcanization area; the circulating hot water outlet branch pipes of each vulcanizer in the vulcanization area are collected to the circulating hot water return main pipe 3, and the circulating hot water therein returns to the deoxygenated hot water tank 1 through the pressure regulating device 2; when a certain vulcanizer ends the hot water circulation and needs to discharge the residual hot water, it is first discharged to the hot water recovery main pipe 4 for a certain period of time, and then discharged to the zero-pressure recovery main pipe 5.

[0012] The hot water discharged from each vulcanizer in the vulcanization zone to the hot water recovery main pipe 4 directly enters the deaeration hot water tank 1 to participate in the hot water circulation supply, and all the heat contained is reused. Since the water volume is relatively small, this process will not cause the pressure in the deaeration hot water tank 1 to increase.

[0013] The residual hot water with lower pressure in each vulcanizer in the vulcanization zone is discharged to the zero-pressure recovery tank 7 through the zero-pressure recovery main pipe 5, and can enter the deoxygenated hot water tank 1 through the water supply pump 8 and the water supply pipe 6 to supplement the liquid level.

[0014] A vulcanizer adopting a multi-stage gentle rise in internal pressure technology is set in the vulcanization zone, and there is no need to set a primary hot water supply device in the hot water supply system. The multi-stage gentle rise in internal pressure technology of the vulcanizer can be found in the "Method for regulating the multi-stage gentle rise in internal pressure of a hot water process tire vulcanizer" mentioned in the patent publication number "CN118528587A", which will not be described in detail here.

[0015] Optionally, considering that in the hot water supply system of engineering tires and other hot water vulcanization processes, the pressure of the hot water deaerator is about 8 bar, the solution of directly recovering water to the hot water deaerator can also be adopted. Due to the incompressibility of water, the amount of recovered hot water at 8 bar is not much different from that at 5 bar.

Claims

1. A method for supplying hot water for vulcanizing a giant tire, using a deoxygenated hot water tank, characterized in that: A water supply pump is arranged below the oxygen hot water tank, and the deoxygenated hot water in the deoxygenated hot water tank is supplied to the vulcanization area through the circulating hot water supply main pipe by the water supply pump, and enters the vulcanizer through the circulating hot water inlet branch pipes of each vulcanizer in the vulcanization area; the circulating hot water outlet branch pipes of each vulcanizer in the vulcanization area are collected to the circulating hot water return main pipe, and the circulating hot water therein is returned to the deoxygenated hot water tank through the pressure regulating device; When a vulcanizer finishes hot water circulation and needs to discharge residual hot water, it is first discharged to the hot water recovery main pipe for a certain period of time, and then discharged to the zero-pressure recovery main pipe; The hot water discharged from each vulcanizing machine in the vulcanizing area to the hot water recovery main pipe directly enters the deaeration hot water tank to participate in the hot water circulation supply; The residual hot water with lower pressure in each vulcanizer in the vulcanization area is discharged to the zero-pressure recovery tank through the zero-pressure recovery main pipe, and enters the deaeration hot water tank through the water supply pump and water supply pipe for liquid level replenishment.

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