How to calculate the water collector
Among the hot topics on the Internet in the past 10 days, the calculation method and application scenarios of the water sub-collector have aroused extensive discussion. As a key component in HVAC and floor heating systems, the calculation and selection of water manifolds directly affect the operating efficiency of the system. This article will introduce the calculation method of the water collector in detail based on recent hot topics and provide structured data for reference.
1. Basic concepts of water collectors
The water distributor is a distribution device in a floor heating or air conditioning water system. It is mainly used to distribute the water flow from the main pipe to each branch pipe, or to collect the water flow from the branch pipes to the main pipe. Its core function is to balance water flow, regulate flow, and ensure uniform temperature in all parts of the system.
2. Calculation method of sub-water collector
The calculation of the manifold mainly involves parameters such as flow rate, pipe diameter, and pressure loss. The following are the key calculation steps:
| parameters | Calculation formula | Description |
|---|---|---|
| total traffic | Q = ΣQi | The sum of the traffic of each branch |
| Pipe diameter selection | D = √(4Q/πv) | v is the flow velocity, usually 0.5-1.0m/s |
| Pressure loss calculation | ΔP = λ(L/D)(ρv²/2) | λ is the friction coefficient, L is the length of the pipe |
3. Key points for selecting sub-water collectors
According to recent industry hot spots, the selection of water sub-collectors needs to focus on the following factors:
| factors | Recommended value | Things to note |
|---|---|---|
| Material | brass/stainless steel | Strong corrosion resistance |
| number of branches | Route 2-12 | Choose according to actual needs |
| work pressure | ≥0.6MPa | Meet the maximum pressure of the system |
4. Answers to recent hot questions
Combined with the search hot spots in the past 10 days, the following are the sub-water collector issues that users are most concerned about:
1.Does the water manifold require regular maintenance?
Yes, it is recommended to check the tightness and flow balance once a year.
2.How to choose the installation location of the water collector?
It should be installed in a location convenient for operation and maintenance, usually close to the main pipeline.
3.Is a smart water collector worth buying?
According to recent evaluations, smart water collectors can increase energy efficiency by 10%-15%, but the price is higher.
5. Calculation examples of water collectors
Take an 80㎡ floor heating system as an example:
| room | Area(㎡) | Flow (L/h) |
|---|---|---|
| living room | 25 | 125 |
| Bedroom 1 | 15 | 75 |
| Bedroom 2 | 12 | 60 |
| total | 80 | 260 |
According to the calculation, a 4-way sub-water collector can be selected, with the diameter of the main pipe DN25 and the diameter of the branch pipe DN16.
6. Summary
The calculation of the manifold requires comprehensive consideration of factors such as system flow, pipe diameter matching, and pressure loss. Recent industry trends show that intelligent and energy-saving water sub-collectors are gaining more and more attention. It is recommended that users refer to the calculation methods provided in this article when purchasing, and pay attention to the actual evaluation data of the product.
check the details
check the details
en
