CN201735296U

CN201735296U - High-pressure stacking impulse adsorption and degradation garbage tail gas purification plant

Info

Publication number: CN201735296U
Application number: CN2010201893754U
Authority: CN
Inventors: 方天祥; 林智康
Original assignee: FUJIAN SHENGTAIJIAYE ECOLOGICAL TECHNOLOGY Co Ltd
Current assignee: FUJIAN SHENGTAIJIAYE ECOLOGICAL TECHNOLOGY Co Ltd
Priority date: 2010-05-14
Filing date: 2010-05-14
Publication date: 2011-02-09
Anticipated expiration: 2020-05-14

Abstract

The utility model provides a high-pressure stacking impulse adsorption and degradation garbage tail gas purification plant, which adopts the structure as follows: a vortex type filter is communicated with a combustion furnace through a tail gas input pipe, and is also communicated with an air-cooling cooler through a tail gas supply pipe; the air-cooling cooler is communicated with a front purification treatment box through an air volume and air speed adjusting valve; the front purification treatment box is communicated with a main purification treatment box; the main purification treatment box is communicated with a rear purification treatment box; the rear purification treatment box is communicated with a centrifugal fan communicated with an air outlet chimney; a flow equalization screen, an oil-water separation layer, an activated carbon fiber filter screen and a high-polymer filter membrane filtering screen are arranged in the front purification treatment box; a power box and a plasma electric field layer are arranged in the main purification treatment box; and an activated carbon particle purification layer and a catalytic oxidation particle purification layer are arranged in the rear purification treatment box and connected with each other. The purification plant of the utility model has high rate of continuous purifying, and eliminates the foreign odor of tail gas generated by combustion in virtue of filtration, adsorption and degradation, thereby avoiding secondary pollution.

Description

High pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner

Technical field

The utility model is a kind of rubbish exhaust gas cleaner, particularly a kind of high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner.

Background technology

The processing of house refuse at present generally is to adopt landfill method, composting process, analgesic method, bioanalysis, burning method etc., and wherein burning method reaches the purpose of twice laid mainly by the incinerator generating of burning away the refuse.But in the incinerator discharge tail gas, contain a large amount of imperfect combustion products and many harmful substances, as CO2, N2, O2, steam and HCL, HF, SO2, NOX, CO, heavy metal Pb, Hg Ji bioxin etc.; Also have dust, heavy metal contaminants etc., these harmful substances in the tail gas have very big pollution to environment, and are very harmful to health.Present domestic municipal solid waste incinerator is to take to spray active carbon and tail gas is handled in the bag-type dusting measure, and its treatment effect is undesirable; Also there is the SNCR+ of employing charcoal absorption+sack cleaner+wet scrubbing tower process to handle tail gas, though can purify equipment complexity, expense costliness to pollutant; Adopt the wet scrubbing tower to handle tail gas in addition, this method can produce a large amount of waste water, needs to consider in addition waste water handling problem.

Summary of the invention

The purpose of this utility model is to have defectives such as the equipment complex effects is not good in order to overcome existing exhaust gas cleaner, invents a kind of high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner

The purpose of this utility model realizes as follows: described high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner, form by air rotating type filter, wind cooling temperature lowering device, preceding purified treatment case, main purified treatment case, after-purification treatment box and centrifugal blower;

The air rotating type filter is communicated with incinerator by the tail gas input pipe, also be communicated with the wind cooling temperature lowering device by the tail gas ajutage, the wind cooling temperature lowering device is communicated with preceding purified treatment case by air quantity wind speed control valve, preceding purified treatment case is communicated with main purified treatment case, main purified treatment case is communicated with the after-purification treatment box, the after-purification treatment box is communicated with centrifugal blower, and centrifugal blower is communicated with the air-out chimney;

Be provided with equal drift net, water-oil separating layer, NACF screen pack and macromolecular filter membrane screen pack in the preceding purified treatment case, all drift net is connected with the water-oil separating layer, the water-oil separating layer is connected with the NACF screen pack, and the NACF screen pack is connected with the macromolecular filter membrane screen pack;

Be provided with power supply box and plasma electric field layer in the main purified treatment case, power supply box is connected with plasma electric field layer;

Be provided with activated carbon granule purifying layer and catalytic oxidation particulate burning purifying layer in the after-purification treatment box, the activated carbon granule purifying layer is connected with catalytic oxidation particulate burning purifying layer.

Be the runner of screw type in the described air rotating type filter.

Described plasma electric field layer is in series by some groups of electric fields.

The pipeline of the some outsourcing fin of described wind cooling temperature lowering device is formed.

Described tail gas input pipe and tail gas efferent duct are stainless steel tube.

Good effect of the present utility model is as follows: the utility model continues the purifying rate height, by filtering, adsorb, degrading, eliminates the tail gas peculiar smell that produces because of burning, there is not secondary pollution, effect is remarkable, low energy, and windage is little, noise is low, anti-rotten rustless property is strong, and floor space is little, convenient transportation, change and set up conveniently, aesthetic in appearance.

Description of drawings

Fig. 1 is the utility model structure chart

Among the figure: 1 air rotating type filter, 2 wind cooling temperature lowering devices

Purified treatment case 4 main purified treatment casees before 3

5 after-purification treatment boxes, 6 centrifugal blowers

7 tail gas input pipes, 8 tail gas ajutages

9 air quantity wind speed control valves, 10 air-out chimneys

11 equal drift net 12 water-oil separating layers

13 NACF screen packs, 14 macromolecular filter membrane screen packs

15 power supply boxs, 16 plasma electric field layers

17 activated carbon granule purifying layers, 18 catalytic oxidation particulate burning purifying layers

The specific embodiment

As shown in Figure 1, described high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner is made up of air rotating type filter 1, wind cooling temperature lowering device 2, preceding purified treatment case 3, main purified treatment case 4, after-purification treatment box 5 and centrifugal blower 6;

Air rotating type filter 1 is communicated with incinerator by tail gas input pipe 7, also be communicated with wind cooling temperature lowering device 2 by tail gas ajutage 8, wind cooling temperature lowering device 2 is communicated with preceding purified treatment case 3 by air quantity wind speed control valve 9, preceding purified treatment case 3 is communicated with main purified treatment case 4, main purified treatment case 4 is communicated with after-purification treatment box 5, after-purification treatment box 5 is communicated with centrifugal blower 6, and centrifugal blower 6 is communicated with air-out chimney 10;

Be provided with equal drift net 11, water-oil separating layer 12, NACF screen pack 13 and macromolecular filter membrane screen pack 14 in the preceding purified treatment case 3, all drift net 11 is connected with water-oil separating layer 12, water-oil separating layer 12 is connected with NACF screen pack 13, and NACF screen pack 13 is connected with macromolecular filter membrane screen pack 14;

Be provided with power supply box 15 and plasma electric field layer 16 in the main purified treatment case 4, power supply box 15 is connected with plasma electric field layer 16;

Be provided with activated carbon granule purifying layer 17 and catalytic oxidation particulate burning purifying layer 18 in the after-purification treatment box 5, activated carbon granule purifying layer 17 is connected with catalytic oxidation particulate burning purifying layer 18.

Be the runner of screw type in the described air rotating type filter 1.

The pipeline of described wind cooling temperature lowering device 2 some outsourcing fin is formed.

Described tail gas input pipe 7 and tail gas efferent duct 8 are stainless steel tube.

The utility model purification process is as follows:

Garbage incinerating tail gas enters the air rotating type filter by the tail gas input pipe, it in the air rotating type filter runner of screw type, quicken centrifugal action coarse grained spray dust, tobacco tar gas strikes in the groove alive of lower floor in the device, yet gas enters in the wind cooling temperature lowering device by the tail gas ajutage, the wind cooling temperature lowering device is made up of the pipeline of some outsourcing fin, tail gas cooling back temperature is reduced to about 50 ℃ of degree, cooled tail gas enters air quantity wind speed control valve, enter preceding purified treatment case with optimum flow and wind speed, tail gas in preceding purified treatment case by the water-oil separating layer the profit gas of medium grain, spray dust is separated to wall, fall to bottom and outflow in the case by deadweight again, tail gas is again by the NACF screen pack, large particulate matter is blocked in outside the screen pack, and the macromolecule membrane filter screen under connecing will remove fine powder smog dirt, tail gas enters main purified treatment case more then, at this moment, 0.1um following smog dust and harmful poisonous gas, under the high pressure superimposed pulse effect of plasma electric field layer, the anion of some will be discharged, and produce the plasma of a large amount of high concentrations, include a large amount of high energy electrons in the plasma, ion, excited state molecule and free radical, the energy of these active particles is higher than the bond energy of gas molecule, their He dioxin organic matters take place that frequent collision Shi dioxin generation scission of link dissociates and the free radical fragment that forms many short chains, react to each other between these free radical fragments, a part produces the little molecule chlorobenzene class of short chain and degrades, and another part then may form long-chain chlorobenzene class and polymerization.Because the existence of aerobic in the reaction, oxygen molecule and chlorobenzene generic key are separated the free radical fragment of back generation and reacted, they are oxidized to chloride and decompose; Simultaneously, the direct and chlorobenzene quasi-molecule collision of high energy electron is opened the chemical bond of chlorobenzene quasi-molecule, thereby the chlorobenzene type organic is decomposed into harmless molecule; Last tail gas enters the after-purification treatment box again, and the activated carbon granule purifying layer in the after-purification treatment box is to filter to remove trickle gas with foreign flavor, and catalytic oxidation particle filter course to be catalyzed chemical reaction peculiar smell smog reach the purpose of removing peculiar smell.

Claims

1. high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner, it is characterized in that: described high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner, form by air rotating type filter, wind cooling temperature lowering device, preceding purified treatment case, main purified treatment case, after-purification treatment box and centrifugal blower;

2. high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner according to claim 1 is characterized in that: be the runner of screw type in the described air rotating type filter.

3. high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner according to claim 1, it is characterized in that: described plasma electric field layer is in series by some groups of electric fields.

4. high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner according to claim 1 is characterized in that: the pipeline of the some outsourcing fin of described wind cooling temperature lowering device is formed.

5. high pressure superimposed pulse absorption degradation rubbish exhaust gas cleaner according to claim 1, it is characterized in that: described tail gas input pipe and tail gas efferent duct are stainless steel tube.