Art Box is a decorative box with artistic style.Art box is an extension of the social needs of a functional package.
Therefore, it not only has the function of packaging but also highlights
some of its functions to a certain extent. The exquisiteness of the
gift box is proportional to the increase of the value of the commodity,
which to a certain extent weakens the value of the use of the commodity.
material:
And promote green packaging, paper is undoubtedly the most appropriate choice, production and processing simple packaging waste recovery rate is also high.
In the protection of goods and general packaging is almost the same, in order to highlight the value of the use of more expensive and beautiful lining to protect the goods, such as silk.
In the circulation is not as convenient as the general packaging, the value of the gift is relatively high, the cost of circulation must be high, such as collision avoidance, deformation-free and so on. In the beautification of goods to attract customers is undoubtedly have a super high influence.
It has decorative use at the same time can store some small items.
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Low winter temperatures are not conducive to the active production of microbes in the biogas digesters. We need to increase the “soldiers†and inputs for the biogas digesters so that they can continue to produce high-efficiency gas as in the summer.
First, increase the pool temperature: Place a plastic sheet on the sun visor of the biogas tank (ie pig pen, chicken house, or burdock), or cover the top of the biogas digester with a plastic film, and extend the plastic film to the surrounding area. - 3 meters, covering the feed inlet, discharge outlet, water pressure outlet and surrounding ground, so as to produce a "greenhouse effect" to speed up the fermentation, add biogas fermentation agent, the use of biogas fermentation agent adsorption heat can also Slightly increase the temperature of the fermentation material in the tank.
Second, the addition of microbial strains: such as the addition of biogas fermentation agent; biogas digester biogas produced by the joint action of biogas, not a single strain of life activities, winter biogas digester gas production is not because or part of the methane Bacteria in this temperature range are infrequent, not violent, so less gas production, biogas fermentation agent contains a variety of bacteria that produce biogas, and can adapt to lower temperatures, so after adding biogas digesters can produce gas or more gas production.
Third, the selection of raw materials: Before and after the use of nitrogen-enriched organic raw materials, fresh pig manure (or fresh cow dung, fresh sheep dung, etc.) is used as the raw material for fermentation to reduce the carbon-nitrogen ratio difference. The reproduction of the methane flora does not use "nitrogen-depleted organic materials" such as dry straw, corn stalks, etc. If the carbon content is too low, part of the straw, etc. may also be added, but it is necessary to accumulate rot ahead of time or use garbanzo straw as a quick rot. Accumulation of rapid rot decays the waxy layer of straw rapidly, decomposing cellulose and lignin into components that are readily utilized by the methanogenic flora.
Fourth, increase the concentration of dry matter: 5 kg of dry matter plus 50 kg of fermentation broth to increase the nutrient content of anaerobic bacteria per unit volume and increase the rate of gas production. Stir the tank a few times and stir it once every day. When stirring, it should be selected at noon on sunny days to increase the chance of contact between raw materials and microorganisms, promote the metabolism of microorganisms, and speed up the production of gas.
Fifth, control the pH: appropriate pH After adding concentrated fermentation broth, pH (acidity and alkalinity) test paper can be used to test its pH. When the pH is less than 7, adjust slowly with 1% lime water, pH value to 7-7.5, to meet the requirements of fermented bacteria, we must master the concentration of lime water, otherwise, it is counterproductive.
Box according to the packaging material points: a paper products, plastic products, metal, bamboo packaging, glass containers and composite materials, the general choice of gift box paper packaging, which is related to China's traditional culture, our hearts have a romantic Feelings, as if this can express the solemn feelings of the heart.
Do you supplement your digester with "force" in winter?
Do you supplement your digester with "force" in winter?