GB/T 4752-2016Operation rules for construction of household anaerobic digesters (English PDF)

3.1

pool type selection should be based on GB/T 4750 technical requirements, combined with the user can provide the type of fermentation raw materials, quantity and population,

Quality of hydrological conditions, climate, build pool material selection is difficult, the level of construction technology and other characteristics, according to local conditions to select the pool type, type and pool volume.

3.2

pool site selection should be able to make the pig, toilet, digesters three Unicom construction, to people, livestock and poultry can flow into the pool; pool and stove

Distance should be within 25m; and try to avoid the rock, tree (bamboo) forest, lane, choose in the leeward sunny, solid soil, low groundwater level, the material

Convenient and difficult to be hit by live loads.

3.3

to develop the construction plan, according to the pool structure design to determine the construction process; ready to build the pool material (see Appendix A, Table A.1 ~ Table A.6); do

Good technical preparation before construction.

4.1 Cement

Preferred for Portland cement can also be used with slag Portland cement, volcanic ash Portland cement or fly ash Portland cement. cement

Of the performance indicators should be consistent with the provisions of GB 175, should choose the cement strength of 32.5 or 42.5R cement. Cement approach should be factory

Certificate or test report, and its varieties, labeling date and other inspection and acceptance. The quality of cement is unknown or the factory more than three months should be

Review the test and use it according to the test results.

4.2 stone

Its maximum particle size shall not exceed one quarter of the minimum dimension of the structural section and shall not exceed the quarter of the minimum distance between the bars three. On the concrete solid plate, the maximum particle size of the stone should not exceed half of the thickness of the board and not more than 40mm. Biogas digesters

With stones, should meet the provisions of JGJ52.