CN105854579A - Flue gas treatment technology and flue gas treatment equipment for textile printing and dyeing setter - Google Patents

Flue gas treatment technology and flue gas treatment equipment for textile printing and dyeing setter Download PDF

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Publication number
CN105854579A
CN105854579A CN201610307488.1A CN201610307488A CN105854579A CN 105854579 A CN105854579 A CN 105854579A CN 201610307488 A CN201610307488 A CN 201610307488A CN 105854579 A CN105854579 A CN 105854579A
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flue gas
tower
casing
textile printing
gas
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徐永杰
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Huzhou Rongda Environment Technology Co Ltd
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Huzhou Rongda Environment Technology Co Ltd
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Priority to CN201610307488.1A priority Critical patent/CN105854579A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes
    • B01D53/83Solid phase processes with moving reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/60Simultaneously removing sulfur oxides and nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/72Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76Gas phase processes, e.g. by using aerosols
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/40Alkaline earth metal or magnesium compounds
    • B01D2251/404Alkaline earth metal or magnesium compounds of calcium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to a flue gas treatment technology for a textile printing and dyeing setter. The flue gas treatment technology includes mechanical filtration, desulfurization and denitrification, ultraviolet radiation, water spray treatment, condensation dehumidification treatment, electrostatic dust collection and activated carbon adsorption, wherein ultraviolet radiation time is not longer than 2 s, and ultraviolet wavelength is 184.9 nm. The invention further relates to flue gas treatment equipment for the textile printing and dyeing setter. The flue gas treatment equipment comprises a mechanical filtration tank (1), an ultraviolet treatment box (2), a water spray tower (3), a condensation dehumidification tower (5), an electrostatic dust collection tower (6) and an activated carbon adsorption tower (7). The flue gas treatment technology and the flue gas treatment equipment for the textile printing and dyeing setter have the advantages that harmful substances in flue gas can be subjected to thorough harmless treatment, electrostatic dust collection load can be reduced and working efficiency is improved.

Description

A kind of textile printing and dyeing forming machine flue gas treating process and equipment thereof
Technical field
The present invention relates to forming machine cleaner processing technique field, particularly relate to a kind of textile printing and dyeing forming machine cigarette Gas disposal Processes and apparatus.
Background technology
Forming machine is operationally, it will usually produces substantial amounts of waste gas and gives up dirt, and its temperature is high, and seriously polluted, Give up the pollution of dirt to reduce waste gas, the general process using the equipment such as electrostatic depuration to carry out waste gas, so that Expellant gas is clean or that contaminant capacity is considerably less gas, and existing Combined industry oil smoke fume treatment fills Putting, usually use dry method, waste gas is passed through electrostatic depuration main frame after filter, condenser cooling to be carried out Process further.China Patent Publication No.: CN204107257U, the day for announcing is on 01 21st, 2015, Entitled a kind of Combined industry oil smoke filtrating equipment of flue gas of innovation and creation, that application discloses a kind of combination The industry lampblack filtrating equipment of flue gas of formula, it includes exhaust inlet pipe, main filter tube, main filter tube from a left side to The right side is disposed with spray equipment, filter, condenser and demister;This equipment can reduce waste gas further In granule and impurity so that the waste gas impurity entered in electrostatic depuration main frame is substantially reduced.But this dedusting sets Standby early stage dust removing effects is thorough not, and the purification pressure of electrostatic depuration main frame is the biggest, cigarette simultaneously Some harmful substances of other classes contained in gas are not eliminated, such as NOX, SOX, oil gas, volatility Organic substance etc..
Summary of the invention
In place of it is an object of the invention to for the deficiencies in the prior art, overcome existing forming machine cleaner cigarette Gas disposal effect is bad, the problem that dedusting is not thoroughly, electrostatic cleaner pressure is bigger, it is provided that a kind of weaving print Dye forming machine flue gas treating process.
A kind of textile printing and dyeing forming machine flue gas treating process, comprises the following steps, first step: mechanical filter, The bigger oil droplet contained in flue gas and solid particle are blocked and filter;Second step: desulfurization removing nitric, through Flue gas after one step process contacts with desulfurization removing nitric agent, this desulfurization removing nitric agent by injection in the way of with described flue gas Contact;Third step: ultraviolet radiation, this step is carried out with described second step simultaneously, processing procedure The substantial amounts of free radical of middle generation and active atomic also react, and the materials such as NOX, SOX are oxidized to nitrate and sulfur Hydrochlorate thus reach the effect of desulfurization removing nitric;Meanwhile, the liquid in described flue gas and solid state component are in ultraviolet Its carbochain lower of irradiating line progressively ruptures and generates carbon dioxide, water and aldoketones material;4th step: at Water spray Reason, the flue gas after aforementioned second and third step process enters Water spray tower, the thing soluble in water in flue gas Matter, is only absorbed by the water including nitrate, sulfate and aldoketones material;Absorbing liquid recycles through circulating pump, and Periodically discharge, processed by Sewage Plant;5th step: dehumidification by condensation processes, after aforementioned 4th step process Flue gas enter condensing tower, the condensate moisture in flue gas, its moisture content is substantially reduced;6th step: electrostatic removes Dirt, the flue gas after the 5th processes suddenly carries out electrostatic precipitation process, and under the effect of electric field, removing unit partial volume is relatively Little oil droplet and solid particle;7th step: activated carbon adsorption, the flue gas after the 6th step process is through activity Discharging after charcoal absorption, finely ground particle substance and the ozone gas of remnants therein are absorbed;In described third step, The ultraviolet irradiation time is less than or equal to 2s, and the wavelength of described ultraviolet is 184.9nm.
As improvement, desulfurization removing nitric agent component and ratio thereof in described second step be: by weight for calcio Montmorillonite 40-80, calcium oxide 5-40, iron oxides 5-20, carbonate 2.5-20, titanium dioxide 2.5-10.
As improvement, described desulfurization removing nitric agent granularity is between 300-400 mesh.
The beneficial effect of the present embodiment:
(1) flue gas first passes around screen plate after entering purifier carrier, filters off the bigger oil droplet of volume with solid Body granule;Desulfurization removing nitric sprays in mechanism and mixes with flue gas, utilizes ultraviolet to radiate flue gas simultaneously, produces The free radical of raw substantial amounts of activity and active atomic also react, and the materials such as NOX, SOX are oxidized to Nitrate and sulfate thus reach the effect of desulfurization removing nitric;Water spray, removes aforesaid nitrate and sulfate And the material of ozone and aldoketones proceeds in water;Condensation process can reduce the temperature energy simultaneously of flue gas further Enough by the moisture content in the condensate moisture precipitation reduction flue gas in flue gas, it is possible to reduce the work of follow-up electrostatic precipitation Load;Through the less solid particle of electrostatic dust-romoving and some trickle solid matters, complete by bulky grain extremely Little granule and the integrated treatment of gas;Through cellular activated carbon adsorption after, further absorbing light chemical reaction The ozone produced, it is to avoid ozone enters air and endangers surrounding, damages human body.Through above-mentioned place Harmful substance in flue gas can be carried out harmless treatment thoroughly by reason, can reduce the negative of electrostatic precipitation simultaneously Lotus, improves work efficiency.
(2) light application time of ultraviolet is less than or equal to 2s, it is possible to the oxygen molecule in point fast decoupled flue gas produces Free oxygen, and then produce ozone, it is possible to Organic substance is produced Oxidation;The wavelength of ultraviolet is 184.9nm, Can cut off flue gas contains volatile organic matter, inorganic matter, hydrogen sulfide, the strand of the pollutant such as ammonia, This wavelength sends the photon energy that can destroy above-mentioned substance combination energy, and then can play stronger removal pollutant Effect.
(3) materials such as NOX, SOX preferably can be oxidized to nitric acid by the above-mentioned ratio of nitrogen and desulfurization Salt and sulfate, thus improve the effect of desulfurization removing nitric, under this ratio, its removal efficiency can reach more than 90%.
(4) ultraviolet photochemistry district inwall adhered aluminium foil;The reflecting effect of light can be strengthened, and then improve purple The Oxidation of outer linear light.
In place of it is another object of the present invention to for the deficiencies in the prior art, overcome existing forming machine dedusting and set Standby fume treatment effect is bad, the problem that dedusting is not thoroughly, electrostatic cleaner pressure is bigger, it is provided that Yi Zhongli With the textile printing and dyeing forming machine fume treatment auxiliary of textile printing and dyeing forming machine flue gas treating process.
A kind of textile printing and dyeing forming machine fume treatment auxiliary, including mechanical filter casing, UV treatment case, water Spray column, dehumidification by condensation tower, electrostatic precipitation tower and activated carbon adsorber;Described mechanical filter casing includes filtering Casing and set within it and run through the first screen plate of filter box, this first screen plate is provided with supplied gas The filtering holes passed through, the bottom of described filter box is provided with the first gas approach, and top is provided with the first cigarette Gas exports;Described UV treatment case is positioned at the top of described mechanical filter casing, and this UV treatment case includes Casing, to be positioned at box bottom both sides and opening section the second gas approach triangular in shape, above-below direction horizontal Two row's quartz burners and two pieces of symmetrical smoke deflectors, this smoke deflector lays respectively at described second The opening direction side of gas approach, and described casing is horizontally divided into three regions, include respectively first area, Second area and the 3rd region;Described smoke deflector offers and passes through hole for what flue gas passed;Described casing top Portion offers the second exhanst gas outlet, and this second exhanst gas outlet is positioned at the center at described casing top;Flue gas by First gas approach enters and is flowed out by the first exhanst gas outlet after the first filter plate;Flue gas the most translateral Two gas approach enter in described casing, and flue gas is divided into two-way cigarette respectively in the left and right sides of described casing Gas, the respectively first cigarette road and the second cigarette road;This first cigarette road is positioned at first area;This second cigarette road is positioned at Two regions, the first cigarette road and the second cigarette road are discharged after described second exhanst gas outlet collects;Described casing is provided with Spray mouth, comes in contact with described flue gas in desulfurization removing nitric spray sprays into described casing;By the second flue gas The flue gas that outlet is discharged is the most condensed dehumidifying tower dehumidification by condensation after Water spray tower spray processes, after condensed dehumidifying Flue gas process through electrostatic precipitation tower, rear enter described activated carbon tower and carry out adsorption treatment;Described machinery mistake Being additionally provided with dehumidifying plate in filter box body, this dehumidifying plate inner surface is provided with refrigerant pipe, circulation in this refrigerant pipe Having coolant media, after flue gas contacts with refrigerant pipe, the heat in flue gas is absorbed, the surface temperature of dehumidifying plate Being reduced to the moisture surface condensation at described dehumidifying plate, the moist part in flue gas is condensed into the globule and is collected at described On dehumidifying plate.
As a kind of embodiment, the described lower position being opened in described smoke deflector by hole, it is opened The area of mouth is less than the 1/2 of the imposite area of described smoke deflector.
As a kind of embodiment, two pieces about described dehumidifying plate, it are divided into include the first dehumidifying plate and the second dehumidifying Plate, this first dehumidifying plate and the second dehumidifying plate are symmetrically distributed in described filter box, and are positioned at described first mistake The top of filter plate.
Further carrying out mode as one, described first screen plate is arranged in the way of plugging flexible connection On described filter box.
Further carrying out mode as one, described dehumidification by condensation tower is trumpet cooler.
The beneficial effect of the present embodiment:
(1) flue gas first after through mechanical filter casing, UV treatment case, Water spray tower, dehumidification by condensation tower, The processing meanss such as electrostatic precipitation tower and activated carbon adsorber carry out dedusting, disinfection, harmful substance in flue gas, The harmful substance carried in dust and dust is the most processed, and harmless treatment is effective, and thoroughly.
(2) flue gas can be shunted by the opening that smoke deflector is arranged, when the area of opening is less than institute State smoke deflector imposite area 1/2 time, tests prove that, its water conservancy diversion is effective, it is possible to effectively carry The high flue gas time of staying in UV treatment case, it is possible to increase the oxidation processes effect of flue gas;Meanwhile Smoke deflector is the effect that tilting state can play a kind of barrier, and flue gas is carried out with this plate with certain speed Contact, after contact, gas can preferably realize the mixing of flue gas through collision, can effect that further raising processes Rate.
(3) set up the first dehumidifying plate and flue gas can be carried out a certain degree of in original state by the second dehumidifying plate Dehumidifying, reduces the processing pressure in subsequent process.
(4) first screen plates are arranged in filter box in the way of plugging, for convenience detach and cleaning.
(5) dehumidification by condensation tower can reduce gas temperature and humidity, reduces the pressure of follow-up electrostatic precipitation.
Accompanying drawing explanation
For the technical scheme of the clearer explanation embodiment of the present invention, required in embodiment being described below The accompanying drawing used is briefly described, it should be apparent that, drawings discussed below is only some realities of the present invention Execute example, from the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of textile printing and dyeing forming machine flue gas treating process schematic flow sheet.
Fig. 2 is a kind of textile printing and dyeing forming machine fume treatment auxiliary structural representation.
Fig. 3 is the internal structure schematic diagram of mechanical filter casing and UV treatment case.
Fig. 4 is mechanical filter casing and UV treatment case perspective structure schematic diagram.
Fig. 5 is the structural representation of the first screen plate.
Fig. 6 is mechanical filter casing and UV treatment case left view structural representation.
Fig. 7 is the partial enlarged drawing in the A portion in Fig. 3.
Label declaration:
1. mechanical filter casing, 10. filter box, 11. first screen plates, 12. filtering holes, 13. first flue gases Import, 14. first exhanst gas outlets, 15. dehumidifying plates, 150. first dehumidifying plates, 151. second dehumidifying plates, 2. UV treatment case, 20. casings, 201. first areas, 202. second areas, 203. the 3rd regions, 204. Aluminium foil, 21. second gas approach, 22. quartz burners, 23. smoke deflectors, 24. pass through hole, and 25. the Two exhanst gas outlets, 26. first cigarette roads, 27. spray mouths, 28. second cigarette road, 3. Water spray towers, 5. condensation removes Wet tower, 6. electrostatic precipitation tower, 7. activated carbon adsorber.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical scheme in the embodiment of the present invention is clearly and completely illustrated.
Embodiment one
A kind of textile printing and dyeing forming machine flue gas treating process, comprises the following steps, first step: mechanical filter, The bigger oil droplet contained in flue gas and solid particle are blocked and filter;Second step: desulfurization removing nitric, through Flue gas after one step process contacts with desulfurization removing nitric agent, this desulfurization removing nitric agent by injection in the way of with described flue gas Contact;Third step: ultraviolet radiation, this step is carried out with described second step simultaneously, processing procedure The substantial amounts of free radical of middle generation and active atomic also react, and the materials such as NOX, SOX are oxidized to nitrate and sulfur Hydrochlorate thus reach desulfurization removing nitric;Meanwhile, the liquid in described flue gas and solid state component irradiate at ultraviolet Its carbochain lower progressively ruptures and generates carbon dioxide, water and aldoketones material;4th step: Water spray processes, warp Aforementioned second and third step process after flue gas enter Water spray tower, the material soluble in water in flue gas, bag Include nitrate, sulfate and aldoketones material to be only absorbed by the water;Absorbing liquid recycles through circulating pump, and periodically arranges Go out, processed by Sewage Plant;5th step: dehumidification by condensation processes, the flue gas after aforementioned 4th step process Entering condensing tower, the condensate moisture in flue gas, its moisture content is substantially reduced;6th step: electrostatic precipitation, warp Flue gas after 5th rapid process carries out electrostatic precipitation process, the oil that removing unit partial volume is less under the effect of electric field Drip and solid particle;7th step: activated carbon adsorption, the flue gas after the 6th step process is through activated carbon adsorption Rear discharge, finely ground particle substance and the ozone gas of remnants therein are absorbed;In described third step, ultraviolet Irradiation time less than or equal to 2s, and the wavelength of described ultraviolet is 184.9nm.In described second step Desulfurization removing nitric agent component and ratio thereof be: is by weight, calcium-base montmorillonite 40-80, calcium oxide 5-40, ferrum Oxide 5-20, carbonate 2.5-20, titanium dioxide 2.5-10.Described desulfurization removing nitric agent granularity is at 300-400 Between mesh.
Embodiment two
A kind of textile printing and dyeing forming machine fume treatment auxiliary, including mechanical filter casing 1, UV treatment case 2, Water spray tower 3, dehumidification by condensation tower 5, electrostatic precipitation tower 6 and activated carbon adsorber 7;Described mechanical filter case Body 1 includes filter box 10 and sets within it and run through the first screen plate 11 of filter box 10, and this is the years old Being provided with the filtering holes 12 that supplied gas is passed through on one screen plate 11, the bottom of described filter box 10 is provided with First gas approach 13, and top is provided with the first exhanst gas outlet 14;Described UV treatment case 2 is positioned at institute Stating the top of mechanical filter casing 1, this UV treatment case 2 includes casing 20, is positioned at bottom casing 20 two Two row's quartz burners 22 that side and opening section the second gas approach 21 triangular in shape, above-below direction are horizontal The smoke deflector 23 symmetrical with two pieces, this smoke deflector 23 lays respectively at described second gas approach The opening direction side of 21, and described casing 20 is horizontally divided into three regions, include respectively first area 201, Second area 202 and the 3rd region 203;Described smoke deflector 23 offers and passes through hole for what flue gas passed 24;Described casing 20 top offers the second exhanst gas outlet 25, and this second exhanst gas outlet 25 is positioned at described case The center at body 20 top;Flue gas by the first gas approach 13 enter after the first screen plate 11 filters by First exhanst gas outlet 14 flows out;The most translateral second gas approach 21 of flue gas enters in described casing 20, Flue gas is divided into two-way flue gas, the respectively first cigarette road 26 and second respectively in the left and right sides of described casing 20 Cigarette road 28;This first cigarette road 26 is positioned at first area 201;This second cigarette road 28 is positioned at second area 202, First cigarette road 26 and the second cigarette road 28 are discharged after described second exhanst gas outlet 25 collects;Described casing 20 It is provided with spray mouth 27, comes in contact with described flue gas in desulfurization removing nitric spray is sprayed into described casing 20; The flue gas discharged by the second exhanst gas outlet 25 the most condensed dehumidifying tower 5 after Water spray tower 3 spray processes condenses Dehumidifying, the flue gas after condensed dehumidifying processes through electrostatic precipitation tower 6, the described activated carbon adsorber 7 of rear entrance Carry out adsorption treatment;Dehumidifying plate 15, this dehumidifying plate 15 inner surface it is additionally provided with in described mechanical filter casing 1 Being provided with refrigerant pipe, in this refrigerant pipe, circulation has coolant media, after flue gas contacts with refrigerant pipe, and flue gas In heat absorbed, dehumidifying plate 15 surface temperature be reduced to the moisture surface condensation at described dehumidifying plate 15, Moist part in flue gas is condensed into the globule and is collected on described dehumidifying plate 15.
Wherein, the described lower position being opened in described smoke deflector 23 by hole 24, the face of its opening The 1/2 of the long-pending imposite area less than described smoke deflector 23.
Wherein, described dehumidifying plate about 15 is divided into two pieces to include the first dehumidifying plate 150 and the second dehumidifying plate 151, This first dehumidifying plate 150 and the second dehumidifying plate 151 are symmetrically distributed in described filter box 10, and are positioned at institute State the top of the first screen plate 11.
Wherein, described first screen plate 11 is arranged on described filter box 10 in the way of plugging flexible connection On.
Wherein, described dehumidification by condensation tower 5 is trumpet cooler.
Wherein, described casing 20 inwall is provided with aluminium foil 204.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited to In this, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should Should be as the criterion with the protection domain of claims.

Claims (9)

1. a textile printing and dyeing forming machine flue gas treating process, comprises the following steps,
First step: mechanical filter, the bigger oil droplet contained in flue gas and solid particle are blocked and filter;
Second step: desulfurization removing nitric, the flue gas after first step processes contacts with desulfurization removing nitric agent, this desulfurization Denitrifier contacts with described flue gas in the way of injection;
Third step: ultraviolet radiation, this step is carried out with described second step simultaneously, produces in processing procedure Substantial amounts of free radical and active atomic also participate in reaction, and the materials such as NOX, SOX are oxidized to nitrate and sulphuric acid Salt thus reach desulfurization removing nitric;Meanwhile, the liquid in described flue gas and solid state component are under ultraviolet irradiates Its carbochain progressively ruptures and generates carbon dioxide, water and aldoketones material;
4th step: Water spray processes, the flue gas after aforementioned second and third step process enters Water spray tower, Material soluble in water in flue gas, is only absorbed by the water including nitrate, sulfate and aldoketones material;Absorbing liquid Recycle through circulating pump, and periodically discharge, processed by Sewage Plant;
5th step: dehumidification by condensation processes, the flue gas after aforementioned 4th step process enters condensing tower, flue gas In condensate moisture, its moisture content reduce;
6th step: electrostatic precipitation, the flue gas after the 5th processes suddenly carries out electrostatic precipitation process, at electric field Act on the less oil droplet of lower removing unit partial volume and solid particle;
7th step: activated carbon adsorption, the flue gas after the 6th step process discharges after activated carbon adsorption, its In remaining finely ground particle substance and ozone gas absorbed;
In described third step, the ultraviolet irradiation time is less than or equal to 2s, and the wavelength of described ultraviolet is 184.9nm。
2. a kind of textile printing and dyeing forming machine flue gas treating process, it is characterised in that described Desulfurization removing nitric agent component and ratio thereof in second step be: by weight for calcium-base montmorillonite 40-80;Oxidation Calcium 5-40;Iron oxides 5-20;Carbonate 2.5-20;Titanium dioxide 2.5-10.
3. a kind of textile printing and dyeing forming machine flue gas treating process, it is characterised in that described Desulfurization removing nitric agent granularity is between 300-400 mesh.
4. a textile printing and dyeing forming machine fume treatment auxiliary, it is characterised in that include mechanical filter casing (1), UV treatment case (2), Water spray tower (3), dehumidification by condensation tower (5), electrostatic precipitation tower (6) and activity Charcoal adsorption tower (7);Described mechanical filter casing (1) includes filter box (10) and sets within it and pass through Wear first screen plate (11) of filter box (10), this first screen plate (11) is provided with supplied gas and leads to The filtering holes (12) crossed, the bottom of described filter box (10) is provided with the first gas approach (13), and top Portion is provided with the first exhanst gas outlet (14);Described UV treatment case (2) is positioned at described mechanical filter casing (1) Top, this UV treatment case (2) includes casing (20), is positioned at casing (20) two bottom sides and opening Two row's quartz burners (22) that cross section the second gas approach (21) triangular in shape, above-below direction are horizontal and Two pieces of symmetrical smoke deflectors (23), this smoke deflector (23) lays respectively at described second flue gas The opening direction side of import (21), and described casing (20) is horizontally divided into three regions, include respectively First area (201), second area (202) and the 3rd region (203);Described smoke deflector (23) Offer for flue gas pass by hole (24);Described casing (20) top offers the second exhanst gas outlet (25), This second exhanst gas outlet (25) is positioned at the center at described casing (20) top;Flue gas is entered by the first flue gas Mouth (13) enters and is flowed out by the first exhanst gas outlet (14) after the first screen plate (11) filters;Flue gas warp again Second gas approach (21) of both sides enters in described casing (20), and flue gas is at described casing (20) The left and right sides is divided into two-way flue gas, the respectively first cigarette road (26) and the second cigarette road (28) respectively;This is years old One cigarette road (26) is positioned at first area (201);This second cigarette road (28) is positioned at second area (202), the One cigarette road (26) and the second cigarette road (28) are discharged after described second exhanst gas outlet (25) is collected;Described case Body (20) is provided with spray mouth (27), in desulfurization removing nitric spray sprays into described casing (20) and institute State flue gas to come in contact;The flue gas discharged by the second exhanst gas outlet (25) processes through Water spray tower (3) spray After the most condensed dehumidifying tower (5) dehumidification by condensation, the flue gas after condensed dehumidifying through electrostatic precipitation tower (6) process, The described activated carbon adsorber of rear entrance (7) carries out adsorption treatment;Also set up in described mechanical filter casing (1) Having dehumidifying plate (15), this dehumidifying plate (15) inner surface is provided with refrigerant pipe, and in this refrigerant pipe, circulation has Coolant media, after flue gas contacts with refrigerant pipe, the heat in flue gas is absorbed, the surface of dehumidifying plate (15) Temperature is reduced to the moisture surface condensation described dehumidifying plate (15), and the moist part in flue gas is condensed into the globule It is collected on described dehumidifying plate (15).
5. a kind of textile printing and dyeing forming machine fume treatment auxiliary as claimed in claim 4, it is characterised in that: institute Stating the lower position being opened in described smoke deflector (23) by hole (24), the area of its opening does not surpasses Cross described smoke deflector (23) imposite area 1/2.
6. a kind of textile printing and dyeing forming machine fume treatment auxiliary as claimed in claim 4, it is characterised in that: institute Stating dehumidifying plate (15) left and right is divided into two pieces to include the first dehumidifying plate (150) and the second dehumidifying plate (151), should First dehumidifying plate (150) and the second dehumidifying plate (151) are symmetrically distributed in described filter box (10), and It is positioned at the top of described first screen plate (11).
7. a kind of textile printing and dyeing forming machine fume treatment auxiliary as claimed in claim 4, it is characterised in that: institute State the first screen plate (11) to be arranged in the way of plugging flexible connection on described filter box (10).
8. a kind of textile printing and dyeing forming machine fume treatment auxiliary as claimed in claim 4, it is characterised in that: institute Stating dehumidification by condensation tower (5) is trumpet cooler.
9. a kind of textile printing and dyeing forming machine fume treatment auxiliary as claimed in claim 4, it is characterised in that: institute State casing (20) inwall and be provided with aluminium foil (204).
CN201610307488.1A 2016-05-10 2016-05-10 Flue gas treatment technology and flue gas treatment equipment for textile printing and dyeing setter Pending CN105854579A (en)

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