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What's the difference between municipal heating and residential heating?
Keywords: the difference between municipal heating and residential heating
Heating in residential quarters
With the diversification of urban heating methods and the reform of heating system, the energy structure is constantly adjusted, and the heating methods in residential quarters tend to be diversified. In the face of numerous heating methods, which heating system is economical and practical, district heating system has become a concern of today's housing. Let's talk about the heating system in residential quarters.
Central heating in coal-fired boiler room
This is a traditional heating method for residential quarters, which is applied to large-scale heating systems. Its advantages are low investment, short time, low technical requirements and short heat transfer circuit. However, the thermal efficiency of the boiler is very low, only about 50%, and it seriously pollutes the environment. At present, many governments have successively introduced the policy of "coal to electricity and coal to gas" to solve the smog problem. Despite these shortcomings, the technology of this heating system is mature and is still widely used in some residential areas.
Gas boiler central heating
Due to the enhancement of environmental awareness, central heating in gas-fired boiler rooms has also been rapidly applied and popularized. The thermal efficiency of gas-fired boilers is about 90%, and no dust is produced during combustion, and the sulfur dioxide produced is much less than that of coal-fired boilers.
Electric boiler heating
The thermal efficiency of the electric boiler is above 95%, with small floor space, no noise in operation, no pollution to the environment and simple adjustment. The operation is also relatively safe and reliable, and the early installation is convenient, but the operation cost is relatively large and resources are wasted.
Ground source heat pump heating
Ground source heat pump heating system is a new type of heating system, which relies on shallow soil or groundwater, and the heating coefficient can reach 3.5 or 4.7 or above. It can provide heating in winter and cooling in summer, and provide domestic hot water all year round. This heating mode has low operating cost and good energy saving and environmental protection effects, but the initial investment is relatively large.
Advantages: Because the heating system is small and located in residential areas, problems can be found and dealt with in time.
Disadvantages: the price is opaque, and the price of central heating in some communities is too high; Some district central heating is not 24-hour heating; Because the heating equipment is in the inner part of the community, there will be some security risks.
Municipal heating
Municipal heating is also called urban central heating. The heating medium is transported by the heat source of urban central heating and distributed to heat users, which is called urban central heating. It is called urban heating, as opposed to individuals or small groups. Simply put, municipal heating means that large heating companies provide collective heating systems to various units or living quarters, thus reducing the floor space, reducing air pollution and saving energy.
Advantages: for users, the central heating technology is mature, safe and reliable, convenient to use and cheap;
All-weather heating, guaranteed temperature, transparent charging and relatively cheap price. Indoor temperature and heating companies have standard requirements. If the temperature is not up to standard, it can also be reported to the relevant units for processing.
Disadvantages: heating time and temperature cannot be controlled by yourself.
Difference between district heating and municipal heating
From the point of view of price
The charging price of residential areas is opaque, and the price of central heating in some residential areas is too high. At present, the price of Xi 'an residential district using its own boiler for heating is not determined by the government, but the cost is determined by the residential district after accounting, and the detailed charges are publicized to the owners. The heating cost of some residential areas in Xi 'an reaches 8 yuan/m2/month. However, the municipal heating fee is transparent and relatively cheap. The municipal heating time in Xi 'an is 1 15 in October to 15 in March of the following year, and there are two charging modes. One is to charge by area, 5.8 yuan per square meter per month. The other is to charge according to the usage flow, which is more flexible to use.
Judging from the heating time
District heating time is not 24-hour heating, while municipal heating time is all-day heating. Municipal heating time cannot be controlled by itself. In case of early cold wave or warm weather, heating cannot be timely or stopped.
From the heating range
Residential heating refers to regional boiler heating, and the heating range is generally small. Municipal central heating is provided by large boilers or cogeneration, and the heat supply is generally more than several million square meters.
Any heating method is not perfect, and its advantages and disadvantages are obvious. As for which heating method buyers choose, it depends on the actual situation of the community and buyers.
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