Blending device

A technology of mixed gas and gas mixer, which is applied in the direction of mixer, mixing method, gas and gas/steam mixing, etc. It can solve the problems of small mixing capacity, low mixing precision, and inability to adjust, and achieve high mixing precision , the effect of strong adaptability

A technology of mixed gas and gas mixer, which is applied in the direction of mixer, mixing method, gas and gas/steam mixing, etc. It can solve the problems of small mixing capacity, low mixing precision, and inability to adjust, and achieve high mixing precision , the effect of strong adaptability

CN102553469AInactive Publication Date: 2012-07-11吴裕仁
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[0008] A coalbed methane device, including a low-concentration coalbed methane pipeline 1, a high-concentration coalbed methane pipeline 2, an air pipeline 3, a gas mixer 4, a controller 5, a mixed gas pipeline 6, an oxygen analyzer 7, a calorific value instrument 8, and a gas One side of the mixer 4 is respectively connected to the low-concentration coalbed methane pipeline 1, the high-concentration coalbed methane pipeline 2, and the air pipeline 3; the other side of the gas mixer 4 is connected to the mixed gas pipeline 6; 1. High-concentration coalbed methane pipeline 2, air pipeline 3, and gas mixer 4 are connected, and gas mixer 4 and controller 5 are connected to oxygen analyzer 7 and calorific value instrument 8 respectively.

[0009] According to the consideration of the pressure of the incoming air pipeline, it is more reasonable to choose the method of boosting first and then mixing. The compressed air is first boosted to 0.5-0.7MPa with an air compressor, and then d...

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Abstract

The invention discloses a blending device. The blending device comprises a low-concentration coal bed gas pipe (1), a high-concentration coal bed gas pipe (2), an air pipe (3), a gas blender (4), a controller (5), a mixed gas pipe (6), an oxygen analyzer (7) and a caloric value meter (8), wherein one side of the gas blender (4) is respectively connected with the low-concentration coal bed gas pipe (1), the high-concentration coal bed gas pipe (2) and the air pipe (3); the other side of the gas blender (4) is connected with the mixed gas pipe (6); the controller (5) is respectively connected with the low-concentration coal bed gas pipe (1), the high-concentration coal bed gas pipe (2), the air pipe (3) and the gas blender (4); and the gas blender (4) and the controller (5) are respectively connected with the oxygen analyzer (7) and the caloric value meter (8). The blending device is high in adaptability and blending precision, and suitable for blending two or more kinds of coal bed gas with different caloric values, and blending two or more kinds of gases.

Description

Technical field: [0001] The invention relates to a novel gas mixing device, in particular to a multi-gas mixing flow-following mixing device. Background technique: [0002] According to some existing coalbed methane and air mixing devices, Venturi injection mixing is generally used. When the concentration of coalbed methane is high, air is added to reduce the concentration of the mixed gas and meet the calorific value requirements. When the concentration of coalbed methane is low, it cannot be adjusted. , can only be dissipated, the blending capacity is small, and the blending accuracy is low. Invention content: [0003] The invention aims to solve the problems in the technology that when the concentration of the coal bed gas is low, it cannot be adjusted, the mixing ability is small, and the mixing precision is low. [0004] The present invention adopts following technical scheme: [0005] A blending device, including a low-concentration coalbed methane pipeline 1, a hi...

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Application Information

Patent Timeline
11 Jul 2012
Publication
CN102553469A
IPC
B01F3/02; B01F15/04; C10L3/10; B01F23/10
Inventors
吴裕仁