CN205886561U

CN205886561U - Ozone flow field injection apparatus

Info

Publication number: CN205886561U
Application number: CN201620723440.4U
Authority: CN
Inventors: 李银娣; 庞凯博
Original assignee: Jiangsu Tian Tian Environmental Protection Engineering Co Ltd
Current assignee: Jiangsu Tian Tian Environmental Protection Engineering Co Ltd
Priority date: 2016-07-11
Filing date: 2016-07-11
Publication date: 2017-01-18
Anticipated expiration: 2026-07-11

Abstract

The utility model discloses an ozone flow field injection apparatus, including house steward, intercommunication the branch pipe and the setting of house steward's a plurality of just equidistant settings that are parallel to each other are in the ascending a plurality of nozzles of branch pipe axle, the branch pipe stretch into in the flue section and perpendicular to flue section is arranged, the nozzle set up along the branch pipe axial equidistantly, the nozzle is located one side towards the flue gas incoming flow of branch pipe, the mutual -Offset of nozzle on the adjacent branch pipe, are the spray direction of nozzle and the contained angle between the flue gas flow direction 100 175 the degree, is distance between the adjacent branch pipe 100mm 200mm, is the interval that adjacent nozzle was gone up to every spinal branch pipe 200mm 300mm, the device makes ozone distribute in the flue evenly, increase substantially ozone oxidation nitrogen oxide's efficiency.

Description

A kind of ozone flow field injection apparatus

Technical field

The utility model belongs to the air contaminant treatment field of discharged from coal-fired boiler, particularly to a kind of injection of ozone flow field Device.

Background technology

no_xImprovement be always the emphasis of world's most countries environmental protection, its produced pollutant even more causes me One of greatest contamination source of state's environmental destruction, has had become as the task of top priority of China's air pollution treatment at present.

For the improvement of nox, mainly adopt denitrating flue gas selective catalytic reduction (abbreviation scr), selectivity both at home and abroad Noncatalytic reduction (abbreviation sncr), wherein, the denitration principle of scr technique is to adopt nh₃(liquefied ammonia, ammoniacal liquor or ureaclastic Ammonia) as reducing agent, it is injected to after dilution in denitration reactor inlet flue, nox when by catalyst layer and in flue gas React n2 and h2o generating non-secondary pollution with fume emission, and sncr technique, compared with scr technique, using nh₃Make Spray in the high-temperature region of burner hearth for reducing agent, without catalyst, both technique denitration efficiencies are high, non-secondary pollution, extensively should For in various combustion apparatus, but both technique cannot realize the deep removal of nitrogen oxides, but also there is the escaping of ammonia.

Patent cn200510061120.3 discloses a kind of ozone oxidation and denitration method of boiler flue gas, using alkali lye as absorption Agent, absorbs the nitrogen oxides through to a certain degree aoxidizing, its main thought is using ozone o₃Nitric oxide is part or all of After being oxidized to nitrogen dioxide, nitrogen peroxide or dinitrogen pentoxide, then using alkali lye to nox adsorption, remove in flue gas Oxynitrides；For oxidizing and denitrating ozone, spraying into of ozone is one of core technology of this technique.

Utility model content

The utility model provides a kind of ozone flow field injection apparatus, so that ozone is evenly distributed in flue, significantly carries The efficiency of high ozone antioxidant nitroxide.

In order to solve the above problems, the utility model be employed technical scheme comprise that a kind of such, ozone flow field injection Device, including house steward, connects some arms being parallel to each other and arranging at equal intervals of described house steward and is arranged on described Some nozzles in pipe axial direction, described arm stretches in flue section and perpendicular to flue section arrangement, described nozzle along Pipe is axially equally spacedly arranged, and nozzle is located at the side to flow towards flue gas of arm, the nozzle mutual dislocation on adjacent arm Arrangement, the angle between the injection direction of nozzle and flow of flue gas direction is in 100-175 degree, and the distance between adjacent arm is 100mm-200mm, on every arm, the spacing of adjacent nozzle is 200mm-300mm；

Preferably, the injection direction of the nozzle and ozone angle between flow direction in arm is in 120 degree, adjacent The distance between pipe is 140mm, and the spacing along the axially adjacent nozzle of arm is 200 mm.

Preferably, arm is arranged at temperature is 50-100 DEG C of flue section.

Beneficial effect: the nozzle mutual dislocation arrangement on adjacent arm of the present utility model is so that injection is more uniform, separately In outer the utility model device the distance between the angle between the injection direction of nozzle and flow of flue gas direction, adjacent arm and On every arm, the spacing of adjacent nozzle is optimized the ozone injection conditions it is determined that optimal to these factors, so that ozone is existed It is evenly distributed in flue, using minimum ozone, reach the efficiency that maximum increases substantially ozone oxidation nitrogen oxides.

Brief description

Fig. 1 is front view of the present utility model；

Fig. 2 is side view of the present utility model.

Specific embodiment

In order to deepen, to understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model to be made further Describe in detail, this embodiment is only used for explaining the utility model, does not constitute the restriction to the utility model protection domain.

Embodiment 1

Referring to Fig. 1 and Fig. 2, a kind of ozone injection apparatus, including house steward 1, connect some of described house steward and be parallel to each other And the arm 2 that arranges and be arranged on some nozzles 3 in described arm 2 axial direction at equal intervals, described nozzle 3 is along arm 2 Axially equally spacedly arrange, the nozzle 3 mutual dislocation arrangement on adjacent arm 2, wherein, described arm 2 stretches in flue section 4 And arrange for 50-100 DEG C of flue section 4 perpendicular to temperature, nozzle 3 is located at the side to flow towards flue gas of arm 2, described spray The injection direction of the mouth 3 and ozone angle between flow direction in arm is in 120 degree, and the distance between adjacent arm 2 is 140mm, the spacing along the axially adjacent nozzle 3 of arm 2 is 200mm.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in the utility model Protection domain within.

Claims

1. a kind of ozone flow field injection apparatus it is characterised in that include house steward, connect some of described house steward be parallel to each other and The arm that arranges at equal intervals and be arranged on some nozzles in described arm axial direction, described arm stretches in flue section and vertical Directly in flue section arrangement, described nozzle is axially equally spacedly arranged along arm, and nozzle is located at flowing towards flue gas of arm Side, the nozzle mutual dislocation arrangement on adjacent arm, the angle between the injection direction of nozzle and flow of flue gas direction is in 100-175 degree, the distance between adjacent arm is 100mm-200mm, and on every arm, the spacing of adjacent nozzle is 200mm- 300mm.

2. a kind of ozone flow field injection apparatus according to claim 1 is it is characterised in that the injection direction of nozzle and ozone Angle between flow direction in arm is in 120 degree, and the distance between adjacent arm is 140mm, along arm axial direction phase The spacing of adjacent nozzle is 200 mm.

3. a kind of ozone flow field injection apparatus according to claim 1 is it is characterised in that it is 50- that arm is arranged at temperature 100 DEG C of flue sections.