Marsh liquid filter

A technology of filter and biogas slurry, which is applied in the direction of fixed filter element filter, filtration and separation, chemical instruments and methods, etc., can solve the problems of biogas slurry viscous slag, and the filter is easy to be blocked, so that it is not easy to block and easy to use The effect of long life and convenient adjustment

Inactive Publication Date: 2009-10-28
INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Vegetables in existing facilities are equipped with drip irrigation systems, but the residue in the biogas slurry can easily block the drip irrigation holes, and the biogas slurry must be filtered before entering the drip irrigation system
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Method used

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  • Marsh liquid filter

Examples

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Embodiment Construction

[0020] Such as figure 1 As shown, the biogas slurry filter includes a biogas slurry chamber 4 and a clear solution room 5 separated by a filter screen 7 and distributed horizontally. The upper end of the biogas slurry room 4 is connected with a biogas slurry inlet pipe 2, and the clear solution room 5 is connected with a filtrate outlet pipe 2, which is characterized in that: the filter screen 7 forms an acute angle with the biogas slurry inlet pipe 2, the biogas slurry inlet pipe 2 is close to and faces the filter screen 7, and the bottom of the biogas slurry chamber 4 is also A slag liquid outlet pipe 1 is connected. The invention adopts a horizontal structure, so that the biogas slurry passes through the oblique impulse force of the biogas slurry inlet pipe to the filter screen and the pressure generated by the difference in diameter between the biogas slurry inlet pipe and the slag liquid outlet pipe can be filtered and the filter screen is washed clean by the biogas slurr...

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Abstract

The invention relates to a marsh liquid filter, belonging to the filter equipment. The marsh liquid filter comprises a marsh liquid chamber and a clear liquid chamber which are divided by a filter net and distributed horizontally; the upper end of the marsh liquid chamber is connected with a marsh liquid inlet pipe; the clear liquid chamber is connected with a filtrate output pipe; the invention is characterized in that the filter net and the marsh liquid inlet pipe form an acute angle; the marsh liquid inlet is close to and faces the filter net; the bottom part of the marsh liquid chamber is also connected with a slag liquid outlet pipe. The filter net of the marsh liquid filter is not blocked and has back washing function; and the filter net is a detachable structure and can be selected according to the size of a drip irrigation hole in a drip irrigation system. The marsh liquid filter has long service life and can conveniently adjust the flow rate in the drip irrigation system after being connected with the drip irrigation system.

Description

technical field [0001] The invention relates to the field of filter equipment, in particular to a biogas slurry filter. Background technique [0002] Biogas slurry is generally used as fertilizer in two ways: root flushing and foliar spraying. Because the biogas slurry is viscous and the slag is too large, it needs to be clarified when spraying, and filtered with gauze to prevent the sprayer from being blocked; when the root is applied, it can only be applied with flood water, and cannot be applied by drip irrigation. The above two methods of application are very labor-intensive, and the amount of fertilization is completely controlled by manpower, and the uniformity of fertilization cannot be guaranteed. [0003] Vegetables in existing facilities are equipped with a drip irrigation system, but the residue in the biogas slurry can easily block the drip irrigation holes, and the biogas slurry must be filtered before entering the drip irrigation system. Existing filters gene...

Claims

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Application Information

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IPC IPC(8): B01D29/03
Inventor 蒋卫杰余宏军
Owner INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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