HVAC, literally, we can understand that HVAC is definitely related to life use, and it is definitely used in our lives. In fact, HVAC engineering refers to a comprehensive system engineering, which includes a variety of systems, including dust removal system, cooling system, ventilation system, smoke control system. Because of its comprehensiveness, each construction period will be long and the technical requirements will be difficult, so each construction step will have a long construction period. In such a long time, if the related engineering management is not good, the quality and experience effect of HVAC will be greatly reduced, thus affecting the quality of HVAC construction projects. Therefore, in order to improve the quality of HVAC engineering, save energy and protect the environment, it is necessary to effectively manage HVAC departments, which requires professional and technical personnel. At the same time, we should make full use of science and technology and adopt energy-saving technology to improve the construction quality of HVAC engineering. 2 Common problems and deficiencies in HVAC engineering construction 2. 1 Engineering design problems Before a project construction, relevant personnel need to have a well-designed and accurate drawing, which is an important basis for a project construction, an important criterion for judging whether a project is scientific or not, and also a long-term and technically difficult project. However, in the real society, there are many different problems in many HVAC construction drawings at present. Without a good drawing, it not only has an important impact on the progress of the whole construction process, but also has a direct impact on HVAC construction projects and quality. It is embodied in the following aspects: First, a drawing without accurate data is also a great challenge for construction workers. If some details are not completely marked or information is left in the construction drawings, the construction personnel can't correctly understand the contents of the drawings, which will directly affect the construction quality. Therefore, we should attach great importance to the drawing and design of drawings, otherwise, it will have a great impact on quality; Second, if the construction drawings are not carried out according to the relevant standards, then the construction unit will do something to cut corners in order to reduce the cost, so the consequence of doing so will inevitably be that the project quality is not up to standard and the final project acceptance is unsuccessful. 2.2 There are many unreasonable problems in project fund management. Without funds, every project cannot be carried out. The so-called clever woman can't cook without rice, and the funds are related to the enthusiasm and smooth progress of a project. Therefore, capital management and quality management are both important parts of HVAC engineering. Many construction units can't carry out the project smoothly due to the shortage of funds in the construction process, so many related project leaders will cut corners to reduce costs, which will inevitably affect the quality of the project. Moreover, in the construction, if there is no specific construction plan, there will be no standard construction plan, which is also quite unfavorable for the use of funds, and it is also a huge trouble for the management of funds, and there will be serious problems in the use of funds. Even after the construction, some units will have the phenomenon of over-expenditure of funds. How to improve the management quality of HVAC engineering In order to ensure the construction quality and efficient construction, it is necessary for relevant departments to strengthen the management of HVAC engineering. This mainly includes management before construction, prevention during construction, management control after construction and other related issues. How? There are several specific requirements in this regard: the first point is about drawings, which are the basis of a project and the basis for carrying out work, so drawings are very important. Therefore, the relevant departments should organize professional and technical personnel to review the design of the drawings to ensure the accuracy of the drawings, and then use them after being reviewed by the relevant departments. And materials used in the construction, quality inspection shall be conducted by relevant technicians to ensure that there are no problems. At the same time, construction personnel should have a clear understanding of relevant mechanical equipment, and construction technicians should have a basic understanding of drawings, and it is best to master them. If during the construction process, it is found that the drawings are not in conformity with the actual situation, and any problems are found, it is necessary to react with and communicate with the relevant technicians who design the drawings, so as to ensure the smooth progress of the construction and try to avoid affecting the progress and quality of the project due to some unnecessary problems. Then there is the second point. After reviewing the drawings, relevant professional and technical personnel should highlight the problems existing in the drawings and make a summary, and then hold a meeting or find relevant experts to provide solutions to the problems. It is necessary to conduct the most rigorous review of the instructions and related materials. At this time, we should have the spirit of finding fault, especially some projects need to adopt new technologies and new technical means. The audit department should ensure that the new technologies and new processes they put forward conform to the specific conditions of construction and integrate theory with practice. In addition, the contents of the reserved holes in HVAC engineering during the Mid-Autumn Festival proposed by construction technicians must be strictly reviewed to see if they meet the requirements and are reasonable. In addition, it is necessary to exclude professional and technical personnel from taking turns to check, so as to avoid the conflict between the pipeline layout and other aspects of the HVAC system. Such serious and strict implementation can reduce the possible shortcomings in construction or solve related problems to a certain extent. 4. Intensify publicity and raise awareness of energy conservation. The energy consumption of HVAC engineering covers many aspects, generally including household appliances, hot water supply, ventilation system, air conditioning system and other energy consumption. Among these kinds of energy consumption, the energy consumption of building air conditioning system and heating system is the largest, accounting for about 50% to 70% of the whole building energy consumption. Therefore, relevant departments should introduce high-quality energy-saving technologies and formulate some energy-saving strategies to reduce the problems of insufficient power supply and excessive energy consumption, improve the sustainable and healthy development of HVAC systems, and have the opportunity to create significant application benefits of energy-saving technologies. 4. 1 Basic connotation of HVAC energy saving There are many kinds of energy consumption in buildings, but the energy consumption of HVAC is the most significant, and in China, the energy consumption of HVAC system is the most significant, and there is a trend of increasing year by year. If the relevant departments can introduce and use high-quality energy-saving technologies, it will be more far-reaching for the energy-saving of HVAC systems, more practical for research and more far-reaching for the use of HVAC systems. With the development of society, energy consumption is increasing, so the standard level of environmental protection and energy saving is getting higher and higher. For the emergence of some new energy-saving technologies, each energy-saving technology has its own advantages and disadvantages. In many energy-saving technical schemes, each scheme has different perspectives and different points of thinking, so the evaluation of each scheme is impossible to be consistent, and even the comments and summaries of each scheme are quite different. 4.2 How to combine the approaches of HVAC energy-saving technology with the opening strategy 4.2. 1 Technical departments related to the later maintenance of HVAC systems should do a good job in the retrospective utilization of heat energy. How can we effectively reduce the energy consumption of construction projects? First of all, the relevant management departments should optimize the maintenance system, reduce the design area, and have sunshade protection measures. Moreover, thermal resistance equipment that can effectively improve the maintenance system should be selected. At the same time, according to the specific actual situation, do a good job in the layout of related equipment. According to the actual regional characteristics, the HVAC engineering system with high quality and concrete thermal insulation function should be designed to better promote the energy consumption of HVAC system, thus reducing the building energy consumption and improving energy saving. Because the energy consumption of HVAC is as high as 50% to 70%, it is a pity that the relevant technicians should recover the condensation heat related to the refrigeration unit. At the same time, the heat exchange system of HVAC should be better and more effectively combined with our daily water consumption. Under the action of refrigerant, the temperature of water will be higher, and then by investing some money and purchasing related facilities, the water will be heated or lowered to the standard suitable for people to take a bath. This is also a good way to recycle and save energy. 4.2.2 Technicians should not only publicize the application of variable frequency speed regulation in energy saving, so that everyone has the awareness of energy saving, but also need technical support. Therefore, the application of variable frequency speed regulation should be regarded as the core technology of energy saving in HVAC system. Due to the different effects of different hot and humid environments on human body, the traditional HVAC air control technology has different comfortableness. Energy consumption is also extremely high, mainly reflected in the consumption of fans and water pump systems. Therefore, in order to save energy, we must use the latest energy-saving technology and related energy-saving measures to optimize and adjust the heat and humidity parameters of HVAC system, increase publicity, raise people's awareness of energy conservation, and further reduce the problem of excessive energy consumption. 4.3 Do a good job in the optimization and application of energy-saving technologies. Relevant technicians should optimize HVAC energy-saving technology in construction to improve the overall energy-saving level. Firstly, the application of cold storage technology is better combined with energy saving to improve the level of energy saving to a greater extent; Secondly, we can also use solar energy-saving technology to achieve the purpose of energy saving. You can also make good use of the circulation control system and actively use solar heat collection technology to apply to HVAC systems. Conclusion In the near future, HVAC system will not only be used in building engineering. HVAC technology will keep pace with the times, conform to the trend of the times and be applied to more and more industries. We believe that in the future, HVAC system will make more and more contributions to the economic development of China.
I believe that after the above introduction, everyone has a certain understanding of the quality control and energy-saving technology of HVAC system engineering management. Welcome to Zhong Da for more information.
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