Double-vortex smoke washing device

A washing device and flue gas technology, which is applied in the direction of combination device, liquid separation agent, dispersed particle separation, etc., can solve the problems of affecting the effect of desulfurization and dust removal, difficult removal of dust sludge, and reduction of flue gas velocity, etc., to achieve removal Good effect, large specific surface area, low water entrainment in flue gas

A washing device and flue gas technology, which is applied in the direction of combination device, liquid separation agent, dispersed particle separation, etc., can solve the problems of affecting the effect of desulfurization and dust removal, difficult removal of dust sludge, and reduction of flue gas velocity, etc., to achieve removal Good effect, large specific surface area, low water entrainment in flue gas

CN1215896CInactive Publication Date: 2005-08-24张文飞
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  • Double-vortex smoke washing device
  • Double-vortex smoke washing device

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Embodiment Construction

[0013] The technical solutions of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0014] Example. As shown in Fig. 1, the double-vortex flue gas scrubber of this example has a main cylinder 1 with a height of 1600 cm and an inner diameter of 280 cm, and is provided with inlet and outlet flue gas ports 1-1 and 2-2. The vortex device 2 is directly built on the lower part of the main cylinder. There is no gap between the upper plate 2-1 and the main cylinder. The lower plate 2-2 is supported by a number of columns 4. The number and angle of the deflectors and the deflectors The height, width and middle through hole are related to the size of the main cylinder and the flue gas volume of the boiler. As shown in Fig. 2, five alkaline liquid nozzles 1-3 are evenly distributed in two layers on the main cylinder body 1, the angle β between the nozzles and the inner wall of the main cylinder is ...

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Abstract

A dual-vortex fume washing apparatus has a main pipe in which there is a vortex unit. The upper plate of said vortex unit is fixed to the main pipe by its boundary without any gap, and has a central force field barrel on it. A draught tube is arranged on the wall of main pipe above said uppe plate. The distance between the overflow outlet of water sealing unit and the lower plate is not greater than 0.3 m. The high-speed fume flows through two vortex action regions to elongate the contact time between gas, solid and liquid. Its advantages are high effect to remove S and dust, low liquid / gas ratio, and low water content in fume.

Description

technical field [0001] The invention relates to a double-vortex flue gas washing device for capturing sulfur dioxide and smoke particles, especially fine particles, from flue gas. Background technique [0002] At present, the main pollutants in my country's atmosphere are suspended particles of ≤ 10 μm, and the existing dust removal devices have little effect on fine dust with extremely small mass. For this reason, in 2002, the 863 Program of the Ministry of Science and Technology of the People's Republic of China specially compiled various projects in the field of resources and environment for public bidding, including "efficient control technology and equipment for fine particle flue gas in coal-fired power plant boilers" waiting to be tackled. [0003] Chinese patent document CN205759U discloses a "flue gas double-alkali desulfurization and dust removal device", which has a main cylinder, the main cylinder has a flue gas inlet and outlet and an alkaline liquid spout, and ...

Claims

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Application Information

Patent Timeline
24 Aug 2005
Publication
CN1215896C
IPC
B01D47/06; B01D50/00; B01D53/78
Inventors
张文飞; 张天立