CN106669353A - Waste gas treatment process for printing-dyeing process - Google Patents
Waste gas treatment process for printing-dyeing process Download PDFInfo
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- CN106669353A CN106669353A CN201710069003.4A CN201710069003A CN106669353A CN 106669353 A CN106669353 A CN 106669353A CN 201710069003 A CN201710069003 A CN 201710069003A CN 106669353 A CN106669353 A CN 106669353A
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- waste gas
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- dyeing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/14—Separation 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 by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/14—Separation 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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/32—Separation 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 by electrical effects other than those provided for in group B01D61/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a waste gas treatment process for a printing-dyeing process. According to the waste gas treatment process, waste gas produced by virtue of a shaping machine and a drying machine is sequentially treated and discharged, so that the atmospheric pollution is alleviated, and the environment is protected; waste heat in the waste gas is recycled to generate high-temperature steam, and the high-temperature steam is applied to printing-dyeing processing equipment, so that resources are saved, and the production and processing costs are lowered; and distilled water produced by the condensation of steam is recycled, stored and applied to printing-dyeing processing cleaning equipment, so that the use amount of water resource is further reduced, and the environment is protected.
Description
Technical field
The present invention relates to a kind of textile technology, more particularly to a kind of waste gas treatment process of dyeing and printing process.
Background technology
Textile industry is one of conventional column industry of China, and one of more industry of exporting goods and earning foreign currency, current China
Occupy 15% or so international market share, be textile exporting country maximum in the world.Build through for many years, textile industry base
Originally become that class is more complete, layout relatively rationally, raw material and equipment reach certain level based on domestic, production technology substantially
Industrial department.
The difference such as the processing purposes of raw material, the kind of product and product of the textile industry by processing, be broadly divided into upstream, in
Trip, three class industry of downstream；Middle reaches industry such as refers to spinning, weaves cotton cloth, dyes at the production field；The concrete procedure of processing in the field includes moving back
The flow processs such as volume-margin to seam-singe-yarn-dehydration-dyeing-open-width-sizing-drying.Fabric can be produced during drying with sizing
The substantial amounts of waste gas of life, if these waste gas are directly discharged in air, can cause serious pollution to air.
The content of the invention
It is an object of the invention to provide a kind of waste gas treatment process of dyeing and printing process, is used for by the waste gas treatment process real
Now the waste gas to producing on dyeing and printing process is processed, so as to reduce the pollution caused to air.
The present invention above-mentioned technical purpose technical scheme is that：At a kind of waste gas of dyeing and printing process
Science and engineering skill, including forming machine and dehydrator, comprise the following steps：
S1, batting are filtered：Forming machine is passed in batting defecator for filtering in waste gas with the waste gas on dehydrator
Batting；
S2, atomizing spray：Waste gas after the process of step S1 is passed in atomization box, waste gas is tentatively lowered the temperature and gone
Oil smoke and toxic and harmful in removing exhaust gas；
S3, demisting：Waste gas after the process of step S2 is passed into in demister the moisture for going removing exhaust gas to be contained within；
S4, fume purifying：Waste gas after the process of step S3 is passed into into purifier, is further removed by purifier
The oil smoke that waste gas is contained within；
S5, electrostatic precipitation:Waste gas after the process of step S4 is passed in low-temperature plasma device, waste gas is contained within
The dust having and polluter be further processed；
S6, discharge：The gas that discharge standard is reached after the process of step S5 is directly discharged by smoke exhaust pipe.
By adopting above-mentioned technical proposal, the waste gas produced on forming machine and dehydrator is passed into into batting defecator
In, it is used to filter batting in waste gas by the filter screen arranged in batting defecator.In waste gas and atomization box body after being filtered
Moisture contacted, by water smoke adsorb waste gas in dust granules and oil gas, for settling the dust in waste gas and oil gas.
Waste gas containing moisture enters into demister, the excessive moisture being contained within by demister scavenging；Waste gas enters back into net
When makeup is put, adsorption-condensation oil smoke is used for by the electric field that purifier is produced, oil smoke is further removed.
Waste gas is entered in low-temperature plasma device, by high-field electrode in ionized air, produces substantial amounts of high energy
Electronics, hydroxyl, ozone and oxygen atom, high energy electron do not have selectivity substantially to polluter, and the decomposition of pollutant is mainly by height
The direct bombardment of energy electronics is purged；Meanwhile, high-field electrode in ionized air more the hydroxyl, ozone and the oxygen atom that produce
Deng by-product, Oxidation can be played to contaminant molecule also；Other active groups in air and molecule produced by ionization
Fragment also can produce reaction with contaminant molecule, remove small part polluter, waste gas is further cleared up.After clearing up
Clean gas is discharged from smoke exhaust pipe.
It is further arranged to：Waste gas is first passed into before entering into step S2 in de-waxing apparatus for going removing exhaust gas to be contained within
Waxiness.
By adopting above-mentioned technical proposal, due to the oil property of waxiness itself, in causing waste gas, waxiness is more difficult to reality
Now remove, the waxiness that waste gas is contained within repeatedly is removed by de-waxing apparatus, so as to preferably cleaning effect is played to waste gas
Rate.
It is further arranged to：The oil that will be produced in the wax liquor produced in de-waxing apparatus, the profit of demister generation, atomization box
The profit produced in water and purifier leads to.
By adopting above-mentioned technical proposal, profit wax segregation apparatuss are by way of filtering to de-waxing apparatus, demister, mist
The processed material for changing casing and purifier generation carries out separating treatment so that the process in later stage is convenient.
It is further arranged to：Waste gas after the process of step S1 is connected with hot pipe type exhaust heat boiler by heat-exchange device
Logical, described hot pipe type exhaust heat boiler is respectively communicated with heat setting machine, roller drying machine and steaming box.
The transmission of energy is changed so as to become high by heat-exchange device by adopting the waste gas of above-mentioned technical proposal, high temperature
Warm steam is entered into, and the high-temperature steam of hot pipe type exhaust heat boiler memory storage is passed into heat
Used in forming machine, roller drying machine and steam box, then on the basis of realizing cooling to waste gas, to the waste heat on waste gas
Reclaimed, reduced the waste of energy.
It is further arranged to：Described heat-exchange device includes that the tube bank, water tank and the cover that connect waste gas set the water tank
Cover body, described tube bank is positioned over the inside of the water tank, the described hot pipe type exhaust heat boiler of described cover body connection.
It is passed in tube bank by adopting the waste gas of above-mentioned technical proposal, high temperature, water tank is transferred heat to by tube bank
Intensification interior and that realization is to water tank water flow inside, the current formation steam after temperature is raised are conducted into heat pipe-type used heat by cover body
Stored in boiler.
It is further arranged to：The steaming of described heat setting machine, described roller drying machine and described steaming box generation
Vapour is connected into steam flash withdrawer, the described yarn washing machine of described steam flash withdrawer connection.
Enter into heat setting machine, roller drying machine and steam box and enter to exercise by adopting above-mentioned technical proposal, high-temperature steam
With the high-temperature steam temperature after use is reduced, and the high-temperature steam reduced after temperature is passed into steam flash withdrawer, to steam
The distilled water for condensing into plays a part of storage, and distilled water after storage is passed into yarn washing machine is used, so as to realize water
The recycling of resource.
It is further arranged to：Described batting defecator is filtered for 3 roads, is communicated with below described batting defecator
Storage hair case, the filter screen of the batting defecator are provided with brush roll, brush roll passage Motor drive and are arranged on the batting
Side of the filter screen of defecator close to the batting defecator air intake.
By adopting above-mentioned technical proposal, it is to realize that the batting being contained within to waste gas is preferably cleared up and reduces batting
Drainage screen is penetrated, so as to batting defecator is set to 3 roads, classified filtering is realized to waste gas, so as to reach preferably filtration
Effect, and by brush roll be provided for clear up the batting that adheres on filter screen so that batting can be dropped under gravity
Stored in underlying storage hair groove, so as to ensure the practicality of batting defecator.And brush roll is arranged in place
In filter screen towards exhaust gas flow direction rear so that the presence of brush roll also can play the effect of filtration to batting.
It is further arranged to：On described hot pipe type exhaust heat boiler and the pipeline of the heat setting machine, described heat pipe-type
Wrap on waste heat boiler and the pipeline of the roller drying machine, on pipeline of the described hot pipe type exhaust heat boiler with the steaming box
It is covered with heat-insulation layer.
By adopting above-mentioned technical proposal, temperature leak of the steam in transmitting procedure is reduced by the setting of heat-insulation layer,
Reach more preferable heat insulation effect.
In sum, the invention has the advantages that：After processing to the waste gas that forming machine is produced with dehydrator
Discharge, so as to reduce the pollution caused to air, realizes environmental protection；And the waste heat in waste gas is reclaimed and high temperature is produced
Steam, these high-temperature steams are applied on the process equipment of printing and dyeing, are realized the saving of resource and are reduced production and processing cost；Will
The distilled water produced after steam condensation carries out recovery storage, and the distilled water after recovery is used in dyeing and printing process cleaning equipment
On, the use to water resource is further reduced, environmental protection is realized.
Description of the drawings
Process charts of the Fig. 1 for embodiment.
In figure：1st, forming machine；2nd, dehydrator；3rd, batting defecator；3.1st, filter screen；3.2nd, brush roll；3.3rd, Chu Maoxiang；
4th, atomization box；5th, demister；6th, purifier；7th, low-temperature plasma device；8th, smoke exhaust pipe；9th, de-waxing apparatus；10th, profit wax
Segregation apparatuss；11st, heat-exchange device；11.1, tube bank；11.2, water tank；11.3, cover body；12nd, hot pipe type exhaust heat boiler；13rd, heat
Forming machine；14th, roller drying machine；15th, steaming box；16th, steam flash withdrawer；17th, yarn washing machine；18th, heat-insulation layer.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
A kind of waste gas treatment process of dyeing and printing process, with reference to Fig. 1, including forming machine 1 and dehydrator 2, forming machine 1 and drying
The waste gas produced on machine 2 passes through pipeline communication on batting defecator 3, by the filter screen being arranged in batting defecator 3
3.1 be used to filter waste gas in the batting that is mingled with carry out three road filtrations.Pass through pipeline communication on the outlet air end of batting defecator 3
There is heat-exchange device 11, amount of thermal conduction is changed by heat-exchange device 11 and passes through pipeline communication to hot pipe type exhaust heat boiler 12 pairs
The heat energy produced on heat-exchange device 11 is stored.
The port of export of heat-exchange device 11 has de-waxing apparatus 9 by pipeline communication, and waste gas is carried out through heat-exchange device 11
De-waxing apparatus 9 are transferred to after preliminary cooling to clear up the waxiness that waste gas is contained within.By pipe on the outlet air end of de-waxing apparatus 9
Road connects atomization box 4, and the water smoke produced by 4 atomization shower nozzle of atomization box is coagulated with fluid with the dust granules in waste gas
Knot, enters sedimentation to the dust in waste gas and fluid and lowers the temperature of waste gas again.
The port of export of atomization box 4 will be condensed by demister 5 and contains moisture in waste gas by pipeline communication demister 5.
Logical purifier 6 is connected with by pipeline on the outlet air end of demister 5, purifier 6 forms electric field to the dust that contains in waste gas
Adsorption-condensation is carried out with fluid.There are low-temperature plasma device 7, low temperature etc. by pipeline communication on the outlet air end of purifier 6
7 electricabsorption air of ion body device produces high energy electron, hydroxyl, ozone and oxygen and the pollutant in waste gas is directly bombed, from
And pollute in scavenging dirty.By pipeline communication smoke exhaust pipe 8 on the outlet air end of low-temperature plasma device 7, by clean gas
Body is discharged by smoke exhaust pipe 8.
There is same profit wax point by pipeline communication on de-waxing apparatus 9, atomization box 4, demister 5 and purifier 6
From device 10, the mode that profit wax segregation apparatuss 10 are isolated by filtration is used for the different water of partition density and oil.
It is horizontally spaced in batting defecator 3 to be arranged with three filter screens 3.1, it is used for by three filter screens 3.1 real
Now three roads of waste gas are filtered.Rotate to arrange in batting defecator 3 filter screen 3.1 is contradicted towards 3 air intake of batting defecator
The brush roll 3.2 of side, Motor drive brush roll 3.2 are realized rotating, for realizing the cleaning to batting on filter screen 3.1.Batting
The bottom of defecator 3 is communicated with the storage hair case 3.3 to lower recess, and the batting after being cleared up by brush roll 3.2 drops into Chu Maoxiang
3.3 are stored.
Heat-exchange device 11 include tube bank 11.1, water tank 11.2 and cover set and sealing radiator 11.2 cover body 11.3, pipe
The air intake of beam 11.1 is by being connected by pipeline on the outlet air end of pipeline communication batting defecator 3, the outlet air end of tube bank 11.1
The air intake of logical de-waxing apparatus 9.Tube bank 11.1 is placed on inside water tank 11.2 and is connected by pipeline on the outlet air end of cover body 11.3
Logical hot pipe type exhaust heat boiler 12.Waste gas heating tube bundle 11.1 lifts the temperature on 11.1 surfaces of tube bank, and it is right that 11.1 temperature of tube bank are raised
Water in water tank 11.2 is heated and is produced high-temperature steam, and high-temperature steam is entering into heat pipe-type waste heat boiler by cover body 11.3
Stove 12 is stored.
Hot pipe type exhaust heat boiler 12 has been respectively communicated with heat setting machine 13, roller drying machine 14, steaming box 15 by steel pipe, makes
The high-temperature steam for obtaining 12 memory storage of hot pipe type exhaust heat boiler can be supplied to heat setting machine 13, roller drying machine 14 and steaming box 15 to enter
Exercise and use.Heat-insulation layer 18 is coated with steel pipe, the loss of high-temperature steam heat in transmitting procedure is reduced by heat-insulation layer 18,
Heat-insulation layer 18 can be asbestos layer.Heat setting machine 13, roller drying machine 14 have same steam by pipeline communication with steaming box 15
Flash distillation withdrawer 16, is used to store heat setting machine 13, roller drying machine 14 and steaming box 15 by steam flash withdrawer 16
The distilled water of condensation.There is yarn washing machine 17 by pipeline communication on the water side of steam flash withdrawer 16, for yarn washing machine 17
Clear water is provided.
Scale removal process：
The waste gas produced on forming machine 1 and dehydrator 2 is entered in batting defecator 3, is used to filter in waste gas by filter screen 3.1
The batting for containing, the waste gas after being filtered are entered in tube bank 11.1 and form heat exchange with the current in water tank 11.2.Water tank
11.2 add thermogenetic vapor transmission to be stored to hot pipe type exhaust heat boiler 12, and can be transferred to the baking of heat setting machine 13, cylinder
Dry machine 14 is used with steaming box 15；Making to reduce the steam of temperature carries out condensation recovery in steam flash withdrawer 16,
Water after recovery can be passed into yarn washing machine 17 and be used.
Waste gas from transmission in tube bank 11.1 is entered in de-waxing apparatus 9, and the waxiness that waste gas is contained within is removed,
Waste gas after removal is transmitted into atomization box 4 and water smoke and is condensed, and settles the oil and dust granules of waste gas.Waste gas containing moisture
Transmit into demister 5 and occur on demister 5 to condense the moisture got rid of in waste gas.Through the waste gas of demister 5 transmit into
Purifier 6, by the further adsorption coagulation dust of electric field and fluid, the waste gas after filtration continues to transmit into low temperature plasma
Device 7, impacts pollutant by hydroxyl, ozone and oxygen atom, and so as to complete the filtration to waste gas, the waste gas after filtration is from row
Flow out in smoke pipe 8.
This specific embodiment is only explanation of the invention, and which is not limitation of the present invention, people in the art
Member can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but as long as at this
All protected by Patent Law in the right of invention.
Claims (8)
1. a kind of waste gas treatment process of dyeing and printing process, including forming machine (1) and dehydrator (2), it is characterised in that including following
Step：
S1, batting are filtered：Forming machine (1) is passed in batting defecator (3) for filtering with the waste gas on dehydrator (2)
Batting in waste gas；
S2, atomizing spray：Waste gas after the process of step S1 is passed in atomization box (4), waste gas is tentatively lowered the temperature
And the oil smoke that goes in removing exhaust gas and toxic and harmful；
S3, demisting：Waste gas after the process of step S2 is passed in demister (5) moisture for going removing exhaust gas to be contained within；
S4, fume purifying：Waste gas after the process of step S3 is passed into into purifier (6), enters one by purifier (6)
Step removes the oil smoke that removing exhaust gas are contained within；
S5, electrostatic precipitation:Waste gas after the process of step S4 is passed in low-temperature plasma device (7), in waste gas
The dust having for containing and polluter are further processed；
S6, discharge：The gas that discharge standard is reached after the process of step S5 is directly discharged by smoke exhaust pipe (8).
2. the waste gas treatment process of a kind of dyeing and printing process according to claim 1, it is characterised in that：Waste gas enters into step
De-waxing apparatus (9) in waxiness for go removing exhaust gas be contained within is passed into before S2 first.
3. the waste gas treatment process of a kind of dyeing and printing process according to claim 2, it is characterised in that：By de-waxing apparatus (9)
Produce in profit, the interior profit for producing of atomization box (4) and the purifier (6) that the wax liquor of interior generation, demister (5) are produced
Profit leads to.
4. the waste gas treatment process of a kind of dyeing and printing process according to claim 1, it is characterised in that：Through the process of step S1
Waste gas afterwards is connected with hot pipe type exhaust heat boiler (12) by heat-exchange device (11), described hot pipe type exhaust heat boiler (12) point
Lian Tong not heat setting machine (13), roller drying machine (14) and steaming box (15).
5. the waste gas treatment process of a kind of dyeing and printing process according to claim 4, it is characterised in that：Described heat exchange dress
The cover body (11.3) that (11) set the water tank (11.2) including tube bank (11.1), water tank (11.2) and the cover for connecting waste gas is put,
Described tube bank (11.1) is positioned over the inside of the water tank (11.2), and the described heat pipe-type of described cover body (11.3) connection gives up
Heat boiler (12).
6. the waste gas treatment process of a kind of dyeing and printing process according to claim 4, it is characterised in that：Described heat setting machine
(13), the steam that described roller drying machine (14) and described steaming box (15) are produced is connected into steam flash withdrawer
(16) the described yarn washing machine (17) of, described steam flash withdrawer (16) connection.
7. the waste gas treatment process of a kind of dyeing and printing process according to claim 1, it is characterised in that：Described batting is filtered
Device (3) is filtered for 3 roads, and Chu Maoxiang (3.3), the batting defecator are communicated with below described batting defecator (3)
(3) filter screen (3.1) is provided with brush roll (3.2), brush roll (3.2) passage Motor drive and is arranged on the batting and filters dress
Put the side of the filter screen (3.1) of (3) close to batting defecator (3) air intake.
8. the waste gas treatment process of a kind of dyeing and printing process according to claim 4, it is characterised in that：Described heat pipe-type gives up
On heat boiler (12) and the pipeline of the heat setting machine (13), described hot pipe type exhaust heat boiler (12) and the roller drying machine
(14) heat-insulation layer is coated with the hot pipe type exhaust heat boiler (12) on pipeline, described and the pipeline of the steaming box (15)
(18)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069003.4A CN106669353A (en) | 2017-02-08 | 2017-02-08 | Waste gas treatment process for printing-dyeing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069003.4A CN106669353A (en) | 2017-02-08 | 2017-02-08 | Waste gas treatment process for printing-dyeing process |
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ID=58859534
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404630A (en) * | 2018-03-07 | 2018-08-17 | 重庆庚业新材料科技有限公司 | Waste plastic granulation exhaust treatment system and method |
| CN108585320A (en) * | 2018-05-23 | 2018-09-28 | 佛山新籁工程科技有限公司 | A kind of municipal wastewater is met an urgent need quick treatment box |
| CN109023805A (en) * | 2018-05-30 | 2018-12-18 | 嘉兴星创科技有限公司 | A kind of waste-heat recovery device for forming machine in textile printing and dyeing |
| CN110787583A (en) * | 2019-12-06 | 2020-02-14 | 徐州申恒环境科技有限公司 | Efficient electrostatic workshop oil mist treatment equipment and working mode thereof |
| WO2020103329A1 (en) * | 2018-11-22 | 2020-05-28 | 苏州敬天爱人环境科技有限公司 | Treatment process for atmospheric pollutants |
| CN113082974A (en) * | 2021-03-18 | 2021-07-09 | 山东派力迪环境科技有限公司 | Process method for purifying waste gas of hot air type tentering setting machine |
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| WO2020103329A1 (en) * | 2018-11-22 | 2020-05-28 | 苏州敬天爱人环境科技有限公司 | Treatment process for atmospheric pollutants |
| CN110787583A (en) * | 2019-12-06 | 2020-02-14 | 徐州申恒环境科技有限公司 | Efficient electrostatic workshop oil mist treatment equipment and working mode thereof |
| CN113082974A (en) * | 2021-03-18 | 2021-07-09 | 山东派力迪环境科技有限公司 | Process method for purifying waste gas of hot air type tentering setting machine |
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Application publication date: 20170517 |