1. The difference between the use of solar water heaters without accessories and with accessories:① The commonly used solar water heater without accessories is the most basic water heater. In fine weather, hot water may be used normally, but if the stored hot water runs out on cloudy days, there wil

Solar energy is a very ideal and environmentally friendly energy source. It has many functions. In terms of heating, the solar home heating system is a very good device that can solve the heating problem of the family. However, many people are not very familiar with solar home heating systems. So br

Why has ocean freight rates soared? What is the impact of the surge in sea freight on global inflation?

Gas water heaters and electric water heaters are becoming more and more popular, but solar water heaters are still the choice of many families. Solar energy serves us almost all year round, but it is often overlooked for its safe use and scientific maintenance due to its placement on the roof. In su

The blockade of the Suez Canal has been lifted, and the canal has resumed free passage for some time. The backlog of ships has almost been resolved. Some carriers have restarted accepting new orders. Nevertheless, the situation is still serious. The impact of the Suez Canal blockade on shipping serv

The outbreak of the new crown epidemic in southern China, coupled with the rapid recovery of the world economy and the shortage of containers, has caused soaring transportation costs, which may intensify inflation and lead to a global shortage of goods.

In summer, the weather is hot, and the frequency of using water heaters is also high. Summer is the season of thunderstorms. Is it dangerous to use solar water heaters when it rains? Now that there are many electrical appliances in the house, how to protect against thunderstorms correctly?Lightning

1. Water tank temperature probe.The main function of the water temperature probe on the water tank is to detect the water temperature of the water tank to determine whether the electric heating of the water tank is activated. When the water temperature is lower than the set lower limit temperature,

Gas water heaters and electric water heaters are becoming more and more popular, but solar water heaters are still the choice of many families. Solar energy serves us almost all year round, but it is often overlooked for its safe use and scientific maintenance due to its placement on the roof. In su

1. How to judge whether the solar water heater is full of water?　　　　General solar water heaters are equipped with overflow pipes, which can judge the full state of water according to whether the overflow pipe is draining or not. In addition, it can be equipped with a water level controller, and the

First, let me say that solar thermal is a reliable, low-maintenance technology, but just like anything that wears out or a homeowner will find a problem, the following list of common failures is based on my experience with over 100 solar thermal systems.1 - The pump is running, but the cylinder is n

Safety instructions for using solar water heaters in summer!Gas water heaters and electric water heaters are becoming more and more popular, but solar water heaters are still the choice of many families. Solar energy serves us almost all year round, but it is often overlooked for its safe use and sc

1. Ion exchange method: using a specific cation exchange resin to replace calcium and magnesium ions in the water with sodium ions. Due to the high solubility of sodium salt, the formation of scale caused by the increase in temperature is avoided. The main advantages are: the effect is stable and ac

Nowadays, more and more users of solar water heaters are using solar water heaters, and during the use of solar water heaters, the phenomenon that the water from the solar water heaters is not hot often occurs. So the question is, what causes the water from the solar water heater to not be hot? There are also many reasons why the water from the solar water heater is not hot. Let's take a look at the reasons and the corresponding solutions.

1. How does scale form?Generally speaking. Water containing minerals such as calcium (Ca) and magnesium (Mg) salts is called "hard water". (The hardness of water (also called salinity) refers to the amount of calcium and magnesium salts dissolved in the water. The higher the content, the higher the

On May 20, a fire broke out in the "X-Press Pearl" docked at the port of Colombo.

Many countries have further improved bilateral economic and trade rules in the fields of service trade and investment, creating a good environment for expanding trade and investment cooperation.1. Thailand announced the establishment of a regional comprehensive economic partnership agreement center2

The comprehensive on-time rate index for major global routes continued to decline in April. Nearly 80% of the ships sailed late, causing serious delays in sailing schedules.note! Congestion in the US West port has further intensified, with more than 100 ships waiting in Los Angeles, and the US West

Due to the combined effects of strong shipping demand, port delays and shortage of container equipment, container spot prices continued to rise and reached new highs.

With the repeated epidemics in Europe and the United States, the surge in traffic from Asia to Europe will continue until the third quarter of this year. Congestion in European and American ports will continue to be the main bottleneck in the supply chain, and container prices will continue to rise.