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Method for extracting biogas and corresponding device

A biogas and equipment technology, applied in biochemical equipment and methods, gas production bioreactors, solid waste removal, etc., can solve problems such as high uncertainty in time and space, and achieve the effect of reducing quality changes

Active Publication Date: 2011-06-15
VEOLIA PROPRETE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] However, since this scheme is related to weather forecasting, this scheme cannot perform optimal extraction, which itself has more or less high uncertainties in value, time and space

Method used

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  • Method for extracting biogas and corresponding device
  • Method for extracting biogas and corresponding device
  • Method for extracting biogas and corresponding device

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Embodiment Construction

[0060] refer to figure 1 , the device according to the invention comprises a housing 50 equipped with a first assembly 31A of a first single extraction device, where the wells 311A, 312A, 313A are connected to the line 70A via the control valve 10A. Furthermore, the plant may comprise at least one second assembly 31B of a second single extraction device, where the second well 311B is connected to the line 70B via the control valve 10B.

[0061]As explained further below, each component may comprise a plurality of single extraction devices and the apparatus may comprise a plurality of network mounted components.

[0062] Each single extraction device (hereinafter referred to as a well) includes a suction head 41A, 42A, 43A, 41B for collecting biogas within a housing 50, and each assembly includes a wellhead 20A and 20B, respectively.

[0063] Control valves 10A, 10B are installed between the wellheads 20A, 20B and the corresponding main pipelines 70A, 70B, respectively.

[00...

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Abstract

The invention essentially relates to a method for controlling the extraction of a biogas from a housing (50) equipped with at least one extraction assembly (31A, 31B) connected to a manifold (70A, 70B) via a control valve (10A, 10B), said method comprising the following steps: providing a respective predetermined manifold pressure (Pr) for each manifold (70A, 70B), and opening the control valve (10A, 10B) in a given position. The method is essentially characterised in that it further comprises the following steps: measuring the value of a meteorological parameter outside the housing; calculating a global set point (dPci) of the control valve (0A, 10B) position based on the measured meteorological parameter value, and opening the control valve (10A, 10B) in a given position in response to the global set point (dPci).

Description

technical field [0001] The present invention relates to the field of biogas extraction. [0002] More specifically, according to a first aspect, the invention relates to a method for controlling the extraction of biogas from a housing (50) equipped with at least one extraction assembly (31A, 31B), each extraction assembly being controlled by a corresponding control valve (10A, 10B ) is connected to a corresponding pipeline (70A, 70B) and includes at least one single extraction device (311A, 312A, 313A, 31B), the method comprising the following steps: [0003] - providing a respective predetermined line pressure (Pr) at each line (70A, 70B), and [0004] - opening said control valves (10A, 10B) at a given position. Background technique [0005] Biogas extraction depends on internal parameters of the shell (type of waste, bacteria, air / oxygen amount, age of waste) and external parameters. The distribution of production areas within the housing is different. [0006] The pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B1/00
CPCY02E50/343C12M21/04C12M41/40C12M41/00B09B1/00C12M41/48Y02E50/30
Inventor 托马斯·雷吉尔西里尔·勒蒙纳玛丽·西尔万
Owner VEOLIA PROPRETE
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