Six major maladies in biogas production

1, air pollution

At present, many localities are still implementing a one-and-one pool biogas construction model in conjunction with the new socialist countryside movement. However, the new socialist countryside movement is not engaged in the “stinking village movement” and the “toxic village movement”. If it is because of the need to engage in biogas, it will It is not right for the countryside to be filled with stench and gas. However, all the households stressed by the localities have built pools to dig pits that inevitably cause air pollution in rural communities. In some places, even leading visitors are required to visit each person to send a poison-proof perfume mask, but guests can wear it. Masks come and go, and the owner (that is, the local farmer) must wear a mask every day to live here?

2, occupy the homestead

To achieve a household and a pit, the problem is that most of the rural households have limited homes and require the pit pool to be close to the cooking facility, ie, the kitchen. This is to build a pond if the peasants' interior and exterior floors are hardened or semi-hardened. The jars will require the peasants to dig and dig the pits, and even some will have to relocate the walls to renovate the shale trees to build a trench, and how much manpower and resources will be used. Not to mention that the occupied plots are valuable in the eyes of peasants. This is often a peasant. The most reluctant thing. According to the summary of local conditions, the biggest problem in the single-product production promotion of biogas is this. In order to solve this problem of house plots, some farmers have done everything possible to occupy the controversial homesteads behind the houses in front of the houses or the villagers' public use of land. This of course creates another, more serious problem.

3, the impact of stability.

Since the tension in rural housing is limited, it cannot be surmised that the peasants have taken care of everything; after the family digs, the former family wall moves, the left neighbor moves, and the right adjoins the water. This contradicts even the judge’s inconvenience. There are a lot of serious conflict incidents, let alone how many contradictions are buried. This is shocking enough. Therefore, we have no reason not to think about this issue in depth.

4, difficult to manage

Due to the current implementation of one household, each building a pool to produce biogas, most areas of management and maintenance work, such as feeding and discharging, must rely on manual operations to complete the operation. The elderly cannot be young and do not want young people to do it. Manual labor intensity is very high, technical requirements are very high, and there are easy to poison and other unsafe factors, such as biogas poisoning reports from all over the country since summer, and some farm households who do not pay attention to sealing plates on the inlet and outlet according to regulations. Children's livestock pose a potential danger.

5, difficult to use gas.

Once the user has installed a certain type of tank, in the case of a certain amount of production, it cannot be used in many ways, nor can it be arbitrarily adjusted. Today, few people use it. Tomorrow, the guests run out of gas. If gas storage facilities are added, of course, it will cost more money, and some gas storage facilities will have to be the same as those in the pool room. Doesn’t that have to occupy more homestead?

6, low gas production rate.

Biogas production requires a certain temperature, but in most parts of China, the temperature in the pit chambers is insufficient during the period from late autumn to early spring, resulting in little or no gas production. This is the main reason for the abandonment of waste pools in many areas. If a pool is not available for six months in the first half of the year, then the waste statistics will certainly be alarming. Therefore, in the case where this problem has not yet been well resolved, the single-pool mode will promote waste. The bigger.

The above six kinds of unfavorable factors have determined that there are serious problems in implementing the single-pool mode. In fact, since the beginning of this year, some regions have begun to impose strict control on biogas construction and the implementation of the country's relevant incentive policies is precisely due to the objective existence of these problems.

Then, how can we overcome difficulties and seek benefits and avoid disadvantages, how can we better implement the country's new energy policy and serve the building of a new socialist countryside? Is biogas construction engineering the only way to go? This is worthy of everyone's serious consideration and exploration.

In order to solve the problems in the construction of biogas, we conducted a series of in-depth and meticulous research work and improved the solution to the problems in the exploration and practice.

The “large-scale solar energy constant temperature cellar biogas project” proposed and implemented by the Huayuan New Energy Application Technology Institute has overcome many unfavorable factors brought about by the single-use production of biogas, and has avoided various maladies brought by the biogas unit entering the household. . The implementation and implementation of this plan project has provided support and guarantees for the realization of energy-saving and emission-reduction goals and the construction of a wealthy, stable, clean and civilized new socialist countryside.

1. The biogas project is built on the periphery of the farmers' living area. The selection of project locations and the design of the project are based on local scientific data such as geographical topography, hydrology, and meteorology, plus supporting facilities, so the project will not cause pollution of groundwater and air. There will be no "odor" and "poisonous" situation.

2. The location of biogas project is located outside the peasants' living communities. Comprehensive consideration should be given to save the land, etc. The equipment density must be arranged in series. The gas pipelines can be buried deep underground, and the ports can be freely selected and installed without occupying the peasants' land and arable land. Saved land, but also ruled out the various contradictions between farmers because of their own installation and construction.

3. The production and use of the biogas project is connected to only one pipe, and the intelligent control is simple and easy. The scales are charged and counted. Special persons can be contracted to manage and manage the project, avoiding the troubles of households feeding households and households, and the work is easy. Pushing forward is more convenient for the guidance and coordination of government agencies.

4. The biogas project adopts solar cellar chamber technology, which has high gas production rate and large gas volume. It can produce stable production throughout the year. Collective users, with high gas intensity and unlimited usage, can be used for cooking and heating. Therefore, the user does not have to worry about cooking water, lighting, etc., using the last meal did not break down.

5. The biogas project can be built near the cultivation and planting site nearby. The use of the biogas material is easy and accessible. It not only solves the problem of raw materials for biogas production, but also solves the problem of waste disposal in the breeding and breeding sites. This is a win-win situation. In addition, hot water generated by solar energy equipment can be used for collective bathing projects. Since solar energy equipment can be operated at low cost all year round, and the warming of biogas projects has little effect on bathing water, choosing one or two collective bathhouses around the biogas project site and the peasants’ life parks for subsidiary operations is another reason. Solve the problem of peasants' bathing. The three uses of such a project, which integrates waste utilization, biogas supply, and bathing, can be described as threefold.

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