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Mounting method suitable for large area biogas residue pit covering film
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An installation method and technology of covering film, which are applied in the direction of excavation, floating bridge, bridge form, etc., can solve the problems of potential safety hazards, time-consuming and laborious, and achieve the effect of avoiding potential safety hazards.
Inactive Publication Date: 2020-06-26
CHONGQING ENVIRONMENT & SANITATION GRP CO LTD
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[0004] In view of the time-consuming and labor-intensive installation of the covering film of large-area biogas residue pits in the prior art, and the problems of potential safety hazards, the purpose of the present invention is to provide an installation method suitable for covering film of large-area biogas residue pits. Save time and effort, increase safety
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Embodiment 1
[0022] For No. 1 biogas residue pit 1 (length 70m, width 50m, area 3500m 2 ) to install the covering film 3:
[0023] (1) Use wooden strips and iron wires to fix two EPS foam boards with a length of 6m and a width of 1.2m;
[0024] (2) According to the area of No. 1 biogas residue pit 1 is 3500m 2 (Length 70m and width 50m), according to the laying principle, the number of foam boards required is calculated to be 176 pieces;
[0025] (3) all the foam boards are connected into pontoon 2, adopt the limit to build pontoon 2 and lay thick 2mm, long 50m, HDPE film with a width of 6m, if first all build pontoon 2 and then lay HDPE film, build a good block Since there is no object pressing on the upper surface of the floating bridge 2, the position will move, so choose to lay the HDPE film while building the floating bridge 2; in addition, before laying the HDPE film, weld several pieces of HDPE film into a whole piece on the open space;
[0026] (4) After the HDPE film is insta...
Embodiment 2
[0028] For the No. 2 biogas residue pit (a circular structure with a radius of 25m and an area of 1962.5m 2 ) to install the covering film:
[0029] (1) Use wooden strips and iron wires to fix two EPS foam boards with a length of 6m and a width of 1.2m;
[0030] (2) According to the area of No. 2 biogas residue pit 1 1962.5m 2 , according to the laying principle, the number of foam boards required is calculated to be 63 pieces;
[0031] (3) all the foam boards are connected into pontoon 2, adopt the limit to build pontoon 2 and lay thick 2mm, long 50m, HDPE film with a width of 6m, if first all build pontoon 2 and then lay HDPE film, build a good block Since there is no object pressing on the upper surface of the floating bridge 2, the position will move, so choose to lay the HDPE film while building the floating bridge 2; in addition, before laying the HDPE film, weld several pieces of HDPE film into a whole piece on the open space;
[0032] (4) After the HDPE film is ...
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Abstract
The invention provides a mounting method suitable for a large area biogas residue pit covering film. The mounting method comprises the following steps of (1) calculating the number of required foam boards according to the area of a biogas residue pit based on a paving principle; (2) connecting all of the foam boards into a floating bridge, wherein a method for building the floating bridge while paving a covering film is adopted; and (3) after the covering film is mounted, reserving 2 to 3 m of the covering film, and performing anchoring treatment on the periphery of the covering film. The mounting method suitable for the large area biogas residue pit covering film provided by the invention is time-saving and labour-saving; the covering film can be mounted by only pulling the covering filmalong the built floating bridge by a person, a machine or a tool; the floating bridge formed by fixed connecting a plurality of the foam boards can bear the weight of a plurality of persons, so that the problem of a potential safety hazard caused by pulling the covering film by the persons standing on the bracket can be avoided.
Description
technical field [0001] The invention belongs to the technical field of waste biogas residue treatment devices, and in particular relates to an installation method suitable for covering films of large-area biogas residue pits. Background technique [0002] Food waste usually refers to food waste and food residues in household kitchens, public canteens and catering industries. At present, the most basic disposal method for food waste is to ferment the food waste, and the remaining solid matter is biogas residue; and then dispose of the formed food waste biogas residue by landfill. Since the food waste biogas residue is rich in organic matter, humic acid, micronutrient elements, various amino acids, enzymes and beneficial microorganisms, it can play a very good role in improving the soil. [0003] At present, most of the food waste biogas residue landfills first form a biogas residue pit, and then pour the food waste biogas residue into the biogas residue pit. Lay a layer of ...
Claims
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Application Information
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IPC IPC(8): E02D17/02E01D15/14
CPCE01D15/14E02D17/02
Inventor 王云张洪志张勇杨常贵李灿刚蒋波
Owner CHONGQING ENVIRONMENT & SANITATION GRP CO LTD
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