Water delivery device and vulcanization apparatus

Abstract

The utility model provides a kind of water delivery device and vulcanization equipment, water delivery device includes outer temperature pipeline, water delivery bucket, detection electrode, drain valve and control system, temperature detection module is provided on the outer temperature pipeline;The temperature detection module is located the upstream of the water delivery bucket;The detection electrode of adjustable position is equipped in the water delivery bucket;The control system is configured as: receiving liquid level signal of detection electrode and opening drain valve after time delay when liquid level reaches set value, until closing drain valve when liquid level is below set value;Or, receiving the signal of temperature detection module and opening drain valve after time delay when temperature reaches set value, until closing drain valve when temperature is higher than set value.The water delivery device of the utility model solves the technical problem of low drain efficiency of the pipeline of curing machine.

Description

Technical Field

[0001] This utility model relates to the field of tire manufacturing technology, specifically to a water conveying device and vulcanization equipment. Background Technology

[0002] In existing external temperature piping systems for vulcanizing machines, steam produces condensate after heat exchange within the pipes, leading to a decrease in temperature, an increase in the opening of regulating valves, and an increase in pressure. Therefore, a level-based drainage system is needed to promptly remove the accumulated water. Traditional drainage systems often employ level-sensing-based condensate traps, using condensate tanks in conjunction with high and low level sensors to achieve both rapid and continuous drainage of condensate, thus addressing the issues of poor drainage and steam loss to some extent.

[0003] However, existing technologies still have the following drawbacks: The setting of the liquid level sensing point did not fully consider the impact of the water tank structure, water volume and temperature on the detection accuracy, resulting in inaccurate drainage timing and the waste of steam discharged with water. Temperature measuring points are usually located on the top of the water tank, which are easily affected by the mixture of water and steam, causing temperature detection distortion and thus affecting the control accuracy of the regulating valve. The drainage logic is relatively simple and fails to dynamically adjust the drainage behavior according to actual liquid level changes, resulting in excessive or insufficient drainage frequency, which affects system stability and energy efficiency. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a water conveying device and a vulcanizing equipment to solve the technical problem of low pipeline drainage efficiency of vulcanizing machines in related technologies.

[0005] To achieve the above technical objectives, the present invention adopts the following technical solution: a water conveying device is provided, including an external temperature pipeline, a water conveying tank, a detection electrode, a drain valve, and a control system. A temperature detection module is provided on the external temperature pipeline; the temperature detection module is located upstream of the water conveying tank; an adjustable detection electrode is provided inside the water conveying tank; the control system is configured to: receive the liquid level signal from the detection electrode and open the drain valve after a delay when the liquid level reaches a set value, until the drain valve is closed when the liquid level is lower than the set value; or, receive the signal from the temperature detection module and open the drain valve after a delay when the temperature reaches a set value, until the drain valve is closed when the temperature is higher than the set value.

[0006] Furthermore, the temperature detection module is located above the water delivery tank.

[0007] Furthermore, a heating plate is provided on the external temperature pipeline; the temperature detection module is located below the heating plate.

[0008] Furthermore, the detection electrode has a dual-electrode structure, including a high-position electrode and a low-position electrode, and the distance L1 between the high-position electrode and the low-position electrode is less than 50 mm.

[0009] Furthermore, in the vertical direction, the distance L2 between the high electrode and the drain outlet of the water tank ranges from 80mm to 90mm; and / or, in the vertical direction, the distance L3 between the low electrode and the drain outlet ranges from 40mm to 55mm.

[0010] Furthermore, the drainage logic of the control system is as follows: after detecting the liquid level signal, the drainage valve is opened after a 3-second delay, and the drainage valve is closed immediately after the liquid level signal disappears.

[0011] Furthermore, the volume of the water tank is matched with the amount of condensate generated by the external temperature pipeline, and the electrode position is adjusted according to the size of the water tank and the temperature detected by the temperature detection module.

[0012] Furthermore, the temperature detection module has a temperature measuring point equipped with a thermal resistor, which is located below the hot plate and away from the water tank area.

[0013] The vulcanization equipment of this embodiment includes a water conveying device, which is the water conveying device described above.

[0014] Beneficial effects: This utility model discloses a water conveying device, comprising an external temperature pipeline, a water conveying tank, a detection electrode, a drain valve, and a control system. A temperature detection module is installed on the external temperature pipeline, located upstream of the water conveying tank. An adjustable detection electrode is installed inside the water conveying tank. The control system is configured to: receive a liquid level signal from the detection electrode and, after a delay, open the drain valve when the liquid level reaches a set value, until the drain valve closes when the liquid level falls below the set value; or, receive a signal from the temperature detection module and, after a delay, open the drain valve when the temperature reaches a set value, until the drain valve closes when the temperature exceeds the set value. This utility model's water conveying device solves the technical problem of low drainage efficiency in the pipelines of vulcanizing machines. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the water conveying device used in an embodiment of this utility model; Figure 2 This is a schematic diagram of the structure of the water conveying tank of the water conveying device used in this embodiment of the utility model.

[0016] The above figures include the following reference numerals: 1. External temperature piping; 11. Temperature detection module; 13. Hot plate; 2. Water tank; 21. Drainage outlet; 3. Detection electrode; 31. High-position electrode; 32. Low-position electrode; 4. Drain valve. Detailed Implementation

[0017] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0018] See Figure 1 , Figure 2 According to an embodiment of the present invention, a water conveying device is provided, including an external temperature pipeline 1, a water conveying tank 2, a detection electrode 3, a drain valve 4, and a control system. A temperature detection module 11 is provided on the external temperature pipeline 1. The temperature detection module 11 is located upstream of the water conveying tank 2. An adjustable detection electrode 3 is provided inside the water conveying tank 2. The control system is configured to: receive the liquid level signal from the detection electrode 3 and open the drain valve 4 after a delay when the liquid level reaches a set value, until the drain valve 4 is closed when the liquid level is lower than the set value; or, receive the signal from the temperature detection module 11 and open the drain valve 4 after a delay when the temperature reaches a set value, until the drain valve 4 is closed when the temperature is higher than the set value.

[0019] Specifically, the original temperature measuring point was on water tank 2. Water tank 2 accumulated inside, resulting in high internal moisture content, which affected the accuracy of the resistance temperature detector (RTD) measurement. Furthermore, excessive water accumulation below the RTD measuring rod caused the detected temperature to be too low. The mixing of water and vapor inside water tank 2 also interfered with the detection temperature, leading to excessively large opening of the regulating valve, increased air intake, excessively high internal pressure, increased drainage frequency causing temperature instability, and steam waste. Therefore, the temperature measuring point was moved upstream of water tank 2, improving steam utilization and solving the technical problem of low drainage efficiency in the vulcanizing machine's pipeline in related technologies.

[0020] With the above settings, the system can intelligently select the drainage strategy according to the actual working conditions by controlling the drainage logic through dual signals of liquid level and temperature, avoiding steam waste caused by misjudgment of a single signal, and significantly improving drainage accuracy and energy efficiency.

[0021] See Figure 1In this embodiment of the water supply device, the temperature detection module 11 is located above the water supply tank 2. This avoids interference from water accumulation or a mixture of water and steam in the water supply tank on the temperature detection, improves the accuracy of the temperature signal, and thus enhances the control precision of the regulating valve.

[0022] See Figure 1 In the water supply device of this embodiment, a hot plate 13 is provided on the external temperature pipeline 1; the temperature detection module 11 is located below the hot plate 13. Because it is closer to the hot plate mold, water vapor interference is reduced, temperature detection is more accurate, the opening degree of the regulating valve is controlled more precisely, the temperature measuring point is close to the heat source, reducing detection delay and error, avoiding temperature distortion caused by water vapor mixing, and ensuring that the regulating valve responds more promptly.

[0023] See Figure 2 In the water conveying device of this embodiment, the detection electrode 3 has a dual-electrode structure, including a high-position electrode 31 and a low-position electrode 32, and the distance L1 between the high-position electrode 31 and the low-position electrode 32 is less than 50 mm. In this way, by optimizing the electrode spacing, frequent drainage triggered by liquid level fluctuations is avoided, the frequency of drainage is reduced, and steam loss is reduced.

[0024] In the water conveying device of this embodiment, the distance L2 between the high electrode 31 and the drain outlet 21 of the water conveying tank 2 in the vertical direction ranges from 80mm to 90mm; and / or, the distance L3 between the low electrode 32 and the drain outlet 21 in the vertical direction ranges from 40mm to 55mm.

[0025] With the above settings, the electrode position was optimized through experiments, which not only ensures timely drainage but also avoids excessively high water levels from affecting temperature detection, resulting in more stable system pressure.

[0026] In the water supply device of this embodiment, the drainage logic of the control system is as follows: after detecting a liquid level signal, the drain valve 4 is opened after a 3-second delay, and the drain valve 4 is closed immediately after the liquid level signal disappears. In this way, delayed drainage avoids false triggering, and immediate closure prevents steam leakage, making the drainage behavior more precise and improving steam utilization.

[0027] In the water supply device of this embodiment, the volume of the water supply tank 2 is matched with the amount of condensate generated by the external temperature pipeline 1, and the electrode position is adjusted according to the size of the water supply tank 2 and the temperature detected by the temperature detection module 11.

[0028] With the above settings, the system has good adaptability and adjustability, is suitable for different models of vulcanizing machines, has strong versatility, and is easy to maintain.

[0029] See Figure 1In the water conveying device of this embodiment, the temperature measuring point of the temperature detection module 11 is equipped with a thermal resistor, which is located below the hot plate 13 and away from the water conveying tank 2 area. With the above arrangement, the thermal resistor is located away from the water accumulation area, the temperature measurement is more accurate, frequent drainage caused by false temperature alarms is avoided, and the energy-saving effect is significant.

[0030] The vulcanization equipment of this embodiment includes a water conveying device, which is the water conveying device described above.

[0031] With the above configuration, the vulcanizing equipment has a highly efficient and energy-saving drainage system, reduces overall steam consumption, and operates stably, making it suitable for high-energy-consuming industries such as tire manufacturing.

[0032] Example 1: Based on preliminary measurements of the GH vulcanizing machine's drainage volume and multiple comparisons, the hourly water production was determined. Furthermore, the optimal drainage frequency was determined to be once every two minutes. The original electrode size and position could not meet these requirements, resulting in inaccurate control and wasted steam. Calculations were performed based on the drainage tank size and the existing drainage frequency to confirm the optimal electrode length and position. The electrodes were then extended and adjusted according to actual conditions, and experimental verification was conducted.

[0033] Water tanks G1-13 and H11-13 are 150mm in diameter and 300mm in height. The original positions of the hydrophobic dual electrodes were: the lower electrode 40mm from the drain outlet and the higher electrode 110mm from the drain outlet, a difference of 70mm. The system then monitors the number of times external temperature pipeline drainage occurs. 12-hour test data: Left hot plate: liquid level discharge 23 times, temperature discharge 1152 times, forced discharge 12 times; Right hot plate: 52 times for liquid level discharge, 1098 times for temperature discharge, and 15 times for forced discharge; Mold sleeve: liquid level discharge 19 times, temperature discharge 1252 times, and strong discharge 5 times.

[0034] Theoretically, if the water supply pipeline experiences excessively low temperatures, forcing the water to drain too frequently, and the temperature does not rise after each draining, resulting in multiple drainings in a short period of time, steam will be released, increasing steam consumption.

[0035] The experiment involved lowering the electrode position, eliminating the high-level electrode, and using only the low-level electrode for water detection. The detection height was then 40mm. Because the detection height was too low, the program was reprogrammed, changing the water discharge sequence from 6 seconds after detection to 120 seconds, with monitoring for 12 hours.

[0036] Left hot plate: Liquid level discharge 355 times, temperature discharge 0 times, forced discharge 0 times; Right hot plate: Level discharge 353 times, Temperature discharge 0 times, Forced discharge 0 times; Mold sleeve: Liquid level discharge 349 times, temperature discharge 0 times, forced discharge 0 times.

[0037] Based on the number of times and real-time monitoring, it was found that after the initial water draining, the system would drain water according to the set water detection interval. The water detection signal was always on, and the pressure gauge showed that the pressure was slowly increasing and the temperature was higher than the standard value. Therefore, this location is the fault location.

[0038] Based on factors such as the size of water tank 2, maximum water capacity, and temperature control, it was calculated that the difference between the two should be less than 50mm. When it is less than 50mm, the highest water level is approximately 90mm from the drain outlet, which will not affect the accuracy of temperature measurement and will keep the pressure in the external temperature pipeline within the normal range. Based on the actual situation, the high-level electrode was lowered by 10mm, at which point it was approximately 80mm from the drain outlet. After testing, the temperature and pressure were normal, and the modification was proceeded. (Note: All tests were conducted on the same machine.) 12-hour data measurement: Left hot plate: Liquid level discharge 860 times, temperature discharge 0 times, forced discharge 0 times; Right hot plate: Level discharge 712 times, Temperature discharge 0 times, Forced discharge 0 times; Mold sleeve: Liquid level discharge 684 times, temperature discharge 0 times, forced discharge 0 times.

[0039] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0040] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments, and will not be repeated here.

[0041] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0042] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0043] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A water conveying device, comprising an external temperature pipeline (1), a water conveying tank (2), a detection electrode (3), a drain valve (4), and a control system, characterized in that: A temperature detection module (11) is installed on the external temperature pipeline (1); the temperature detection module (11) is located upstream of the water tank (2); The water tank (2) is equipped with an adjustable detection electrode (3); The control system is configured to: receive the liquid level signal from the detection electrode (3) and open the drain valve (4) after a delay when the liquid level reaches the set value, until the drain valve (4) is closed when the liquid level is lower than the set value; or, receive the signal from the temperature detection module (11) and open the drain valve (4) after a delay when the temperature reaches the set value, until the drain valve (4) is closed when the temperature is higher than the set value.

2. The water conveying device according to claim 1, characterized in that: The temperature detection module (11) is located above the water tank (2).

3. The water conveying device according to claim 1, characterized in that: A heating plate (13) is provided on the external temperature pipeline (1); the temperature detection module (11) is located below the heating plate (13).

4. The water conveying device according to claim 1, characterized in that: The detection electrode (3) has a dual-electrode structure, including a high electrode (31) and a low electrode (32), and the distance L1 between the high electrode (31) and the low electrode (32) is less than 50 mm.

5. The water conveying device according to claim 4, characterized in that: In the vertical direction, the distance L2 between the high electrode (31) and the drain outlet (21) of the water tank (2) ranges from 80mm to 90mm; and / or, in the vertical direction, the distance L3 between the low electrode (32) and the drain outlet (21) ranges from 40mm to 55mm.

6. The water conveying device according to claim 1, characterized in that: The drainage logic of the control system is as follows: after detecting the liquid level signal, the drain valve is opened after a 3-second delay (4), and the drain valve is closed immediately after the liquid level signal disappears (4).

7. The water conveying device according to claim 1, characterized in that: The volume of the water tank (2) is matched with the amount of condensate generated by the external temperature pipeline (1), and the electrode position is adjusted according to the size of the water tank (2) and the temperature detected by the temperature detection module (11).

8. The water conveying device according to claim 1, characterized in that: The temperature detection module (11) is equipped with a thermal resistor at its temperature measurement point. The thermal resistor is located below the hot plate (13) and away from the water tank (2) area.

9. A vulcanization device, comprising a water conveying device, characterized in that: The water conveying device is the water conveying device according to any one of claims 1 to 8.

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