What should I do if there is gas in the heating pipe? Popular topics and solutions on the Internet in the past 10 days
With the arrival of the winter heating season, the issue of heating pipe exhaust has become a hot topic on the Internet recently. Many families encounter problems such as insufficient heating and abnormal noise in the pipes, most of which are related to gas accumulation in the pipes. This article will provide you with structured solutions based on hot content from the entire network in the past 10 days.
1. Popularity list of heating-related topics on the entire network in the past 10 days
| Ranking | Topic keywords | Search volume (10,000) | Main discussion platform |
|---|---|---|---|
| 1 | Solution to heating problem | 58.7 | Douyin/Baidu |
| 2 | The correct way to exhaust pipes | 42.3 | Zhihu/Xiaohongshu |
| 3 | Dealing with abnormal noise from radiator | 35.1 | Station B/Kuaishou |
| 4 | Floor heating exhaust cycle | 28.9 | WeChat public account |
| 5 | Automatic exhaust valve failure | 22.4 | Decoration Forum |
2. Typical symptoms of gas in heating pipes
According to the popular science video posted by heating expert @HVACLaoli on Douyin (123,000 likes), gas accumulation in pipes will cause the following symptoms:
| Symptoms | probability of occurrence | Hazard level |
|---|---|---|
| Some radiators are not hot | 87% | ★☆☆☆☆ |
| The sound of water flow in pipes is obvious | 76% | ★☆☆☆☆ |
| The temperature in the upper part of the radiator is low | 68% | ★★☆☆☆ |
| Automatic exhaust valve keeps dripping water | 45% | ★★★☆☆ |
| System pressure fluctuates greatly | 32% | ★★★★☆ |
3. 5-step exhaust method (compiled by Xiaohongshu’s popular tutorials)
1.Preparation tools: Flat-blade screwdriver, water container, dry towel
2.Close main valve: Avoid system pressure loss during drainage process
3.Exhaust one by one: Starting from the lowest radiator, use a screwdriver to turn the exhaust valve counterclockwise.
4.Watch the water flow: It can be closed when the discharged water is in a continuous column without bubbles.
5.Restore system: Reopen the main valve and check whether there are leaks at each connection.
4. Exhaust points of different heating systems
| System type | Exhaust frequency | special attention |
|---|---|---|
| Old cast iron radiator | 1 time a week | Requires manual exhaust valve operation |
| New steel radiator | 1 time per month | Most are equipped with automatic exhaust valves |
| Floor heating system | 2 times a year | Requires water separator exhaust |
| Wall mounted boiler system | 1 time per quarter | The gas in the boiler needs to be discharged at the same time |
5. Answers to recent popular questions (from highly praised answers on Zhihu)
Q: What should I do if the heater is still not hot after exhausting the air?
A: It may be that the pipe is blocked or the system pressure is insufficient. It is recommended to contact professional maintenance.
Q: Is it normal for the automatic exhaust valve to leak?
A: Slight water leakage is normal. If large amounts of water leakage continue, the valve core needs to be replaced.
Q: Can hot water be released during exhaust but the heater is not hot?
A: There may be dual problems of air blockage and impurity deposition, and the system needs to be thoroughly flushed.
6. Safety precautions
1. It is strictly prohibited to disassemble the exhaust valve while the system is running.
2. The drainage temperature may exceed 70℃, so you need to prevent burns.
3. Exhaust from high-rise residential buildings may affect the balance of the entire building system.
4. It is recommended that old communities operate under the guidance of property management
According to the Baidu Index, the search volume for "heating pipe exhaust" increased by 43% year-on-year, and the number of consultations on related issues peaked at 26,000 times in a single day. Mastering the correct exhaust method can not only improve the heating effect, but also save 10%-15% of energy consumption. It is recommended that users collect the standardized operating procedures mentioned in this article and contact professional HVAC personnel to handle complex problems in a timely manner.
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