CN107694224A - A kind of mineral fibres waste gas processing method - Google Patents
A kind of mineral fibres waste gas processing method Download PDFInfo
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- CN107694224A CN107694224A CN201711066449.8A CN201711066449A CN107694224A CN 107694224 A CN107694224 A CN 107694224A CN 201711066449 A CN201711066449 A CN 201711066449A CN 107694224 A CN107694224 A CN 107694224A
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- Prior art keywords
- waste gas
- molecular sieve
- processing method
- mineral fibres
- cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/06—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of mineral fibres waste gas processing method, is specially：Vapor-water heat exchanger is first passed through after cotton collecting chamber's waste gas removing dust processing, and EGT is down to less than 40 DEG C; enter back into stage high-effective filter; processing is further processed by being desorbed after blower fan and heater to condensate liquid and dust; it is intended to protect adsorbent of molecular sieve below; then air is discharged into after being purified by molecular sieve runner Adsorption Concentration device, waste gas；Molecular sieve runner Adsorption Concentration device divides adsorption zone, desorption and regeneration area and cooling zone, and continuous reliability service can be achieved.Using the above method, dust containing capacity is big, resistance is low, filtration velocity is big, fire-retardant；Purification efficiency is high, and purification efficiency is up to 99%；Package unit movement-less part, safeguard that simply fault rate is low, leave maintenance door, replacing filtering material is simple and convenient, and simple to operate, system whole process is automatically controlled by PLC, and one-key start and chain coordinated signals can be achieved.
Description
Technical field
The present invention relates to a kind of mineral fibres waste gas processing method, belong to environmental technology field.
Background technology
During rock wool is produced, need to melt ore at a temperature of 1400 DEG C first and wire drawing be attached on the net,
Simultaneously in spray phenolic resin on the net, cooled and solidified with blower fan exhausting.Because formaldehyde, phenolic resin etc. are organic in raw materials for production
Thing, therefore cooling, air discharging waste gas belongs to organic exhaust gas.These organic exhaust gas can absorb through respiratory tract, skin and alimentary canal, category low toxicity
Class, such as directly discharged without processing, it will influence the indoor environment of the factory and the living environment of nearby residents.As China passes through
Ji, the development of society, Conventional pollution (particulate matter, SO2、NOxDeng) control is commonly available, but VOC is (following
Abbreviation VOCs) pollution become increasingly conspicuous, have become one of the great environmental problem in current China.VOC is shape
Into ozone, photochemical fog, particulate matter important precursor, most of VOCs be the direct harmful to human of poisonous and harmful substance be good for
Health.Currently, VOCs average annual discharge capacitys in China are big, and pollution source is extensive, are related to numerous necks such as industry, automobile exhaust, food and drink, burning
Domain, particularly more and more prominent in some industries and urban area, there is an urgent need to control for the VOCs pollutions of urban area.
The content of the invention
It is an object of the invention to provide a kind of mineral fibres waste gas processing method, to be preferably directed at waste gas
Reason.
To achieve these goals, technical scheme is as follows.
A kind of mineral fibres waste gas processing method, it is specially：Steam-water heat exchanging is first passed through after cotton collecting chamber's waste gas removing dust processing
EGT is down to less than 40 DEG C by device, enters back into stage high-effective filter, to condensate liquid and dust by being desorbed blower fan and adding
Processing is further processed after hot device, it is intended that protect adsorbent of molecular sieve below, then pass through molecular sieve runner Adsorption Concentration
Device, waste gas are discharged into air after being purified；Molecular sieve runner Adsorption Concentration device divides adsorption zone, desorption and regeneration area and cooling
Area, continuous reliability service can be achieved；Desorption and regeneration area is passed through hot-air and comes out the organic solvent stripping adsorbed in molecular sieve,
It is re-fed into follow-up RCO devices and resolves into innoxious CO2And H2Qualified discharge after O.
Further, in the above method, below 60 DEG C of vapor-water heat exchanger intake air temperature, below 40 DEG C of air outlet temperature, equipment
Material aluminum fin-stock, shell are carbon steel, processing air quantity m3/ h 150000,30 DEG C of cooling water inlet, 40 DEG C of coolant outlet.
Further, stage high-effective filter model VQ-Y-1500, processing total blast volume 150000m3/ h, filter efficiency
＞ 99%, by-pass filtration material primarily efficient filter wool, high efficiency filter in secondary filtration material, three-stage filtration material high efficiency filter.
Further, molecular sieve runner Adsorption Concentration device model VY-ZL-1500, processing air quantity 150000m3/ h, equipment
Resistance 500-800Pa, adsorbing medium molecular sieve, apparatus-form is rotary-type, purification efficiency more than 90%, supporting desorption and regeneration device
RCO, the mode of heating of decomposer are electrical heating or gas heating, supporting explosion-proof desorption blower fan；Electric-control system explanation is using west
The sub- PLC of door.
Further, in the above method, the material of the airduct of use is made using zinc-coated spiral airduct, and pipeline enclosure uses method
Orchid connects, and is sealed between flange with rubber and plastic minuteness；Air velocity duct：According to related specifications, waste gas wind speed takes 10~12m/s in pipeline；System
System base plate：Framework is welded into using channel-section steel, angle steel industry profile；The determination of chimney size, depending on air velocity and row
The concentration for putting harmful substance determines jointly；Wind speed design is between 12-16m/s in chimney；Chimney is manufactured using carbon steel.
Further, in the above method, the cleaning system electrical system of use is using traditional relay-contactor control
Or Controlled by Programmable Controller, if conventional control screen, control voltage uses 220VAC；380V station service electrical systems and motor by
The electrical apparatus release and fuse of breaker are realized with electrothermal relay and protected.
Further, in the above method, the earthed system of use meets the related request of GB, DL and IEC standard, appropriate
Position by embedded earthing pole, its position will not interfere with the ground connection well with manhole, and each earthing pole will be with grounding grids
It is connected, grounding grids can be set as close to equipment；It is independent closure grounded screen in cleaning system region, it is grounded electricity
Hinder for≤4 Ω.
Further, in the above method, 0.4kV power cables use 0.6/1.0kV polythene insulation PVC sheaths
Cable, the conductor of cable use copper conductor, and cable of the section more than 6mm2 is stranded copper cable, and section is less than 16mm2Cable,
The section of its neutral conductor must be identical with the section of phase line；Cable for 24V is KVVP cables, and minimum cross-sectional area of conductor >=
1.5mm2；0.4kV power cables avoid transition joint without transition joint, control cable；Section is more than 16mm20.4kV power electrics
The terminal fitting of cable will use terminal fitting.
In this method, for the service life and adsorption effect of protection activity charcoal, increase in absorbent charcoal adsorber front end
The effect such as tertiary filter, waste gas is intercepted by particles such as dry filter material, dust, collision, absorption accommodates in the material,
So as to reach the purpose of purification.Three-stage filtration material is followed successively by primarily efficient filter wool (G4), medium air filtration cotton (F7) and high efficiency filter
Cotton (F9).
In the present invention, the molecular sieve runner Adsorption Concentration+RCO/RTO VOCs treatment techniques of use, suitable for normal temperature,
The organic waste-gas purification of low concentration, Wind Volume.Be widely used in automobile, shipbuilding, motorcycle, bicycle, household electrical appliance, piano,
The spray paintings such as container, Painting Shop, shoemaking viscose glue, tin graphed sheet tank, chemical plastic, printing-ink, cable, enamel-covered wire etc. it is organic
Exhaust-gas treatment.
Molecular sieve runner is divided into three regions, i.e. adsorption treatment area, renewing zone and cooling zone.Organic exhaust gas is first by dry
Formula filter is pre-processed, pretreated waste gas enter back into molecular sieve runner adsorption zone carry out Adsorption Concentration, using point
For son sieve to the adsorptivity of organic substance by gas purification, the gas after processing can qualified discharge.The renewing zone for having adsorbed VOCs is inverse
To a small amount of hot-air is passed to, organic matter stripping is come out.5~25 times can be concentrated according to specific needs, the organic exhaust gas after concentration
Thermal oxidation technique can be used to decompose and be melted into harmless CO2And H2O.Rear organic matter decomposes the heat discharged to system operation for a period of time
Regenerating molecular sieve can be maintained, that is, reaches regenerative process heat balance, greatly reduces energy consumption.Whole system absorption, regenerated heat oxygen
Change process is realized by PLC and automatically controlled.
The beneficial effect of the invention is：Using the above method, dust containing capacity is big, resistance is low, filtration velocity is big, fire-retardant；Only
Change efficiency high, purification efficiency is up to 99%；Package unit movement-less part, safeguard that simply fault rate is low, leaves maintenance door, change
Filtering material is simple and convenient, simple to operate, and system whole process is automatically controlled by PLC, and one-key start and chain linkage can be achieved
Control.
Embodiment
The embodiment of the present invention is described with reference to embodiment, to be better understood from the present invention.
Embodiment
A kind of mineral fibres waste gas processing method in the present embodiment, it is specially：After cotton collecting chamber's waste gas removing dust processing first
EGT is down to less than 40 DEG C by vapor-water heat exchanger, stage high-effective filter is entered back into, condensate liquid and dust is passed through
Processing is further processed after desorption blower fan and heater, it is intended that protect adsorbent of molecular sieve below, then pass through molecular sieve
Runner Adsorption Concentration device, waste gas are discharged into air after being purified；Molecular sieve runner Adsorption Concentration device divides adsorption zone, desorption again
Raw area and cooling zone, can be achieved continuous reliability service；Desorption and regeneration area be passed through hot-air will adsorb it is organic molten in molecular sieve
Agent stripping comes out, and is re-fed into follow-up RCO devices and resolves into innoxious CO2And H2Qualified discharge after O.
In the above method, below 60 DEG C of vapor-water heat exchanger intake air temperature, below 40 DEG C of air outlet temperature, equipment material aluminium wing
Piece, shell are carbon steel, processing air quantity m3/ h 150000,30 DEG C of cooling water inlet, 40 DEG C of coolant outlet.
Stage high-effective filter model VQ-Y-1500, processing total blast volume 150000m3/ h, filter efficiency ＞ 99%, one
Level filtering material primarily efficient filter wool, high efficiency filter in secondary filtration material, three-stage filtration material high efficiency filter.
Molecular sieve runner Adsorption Concentration device model VY-ZL-1500, processing air quantity 150000m3/ h, equipment resistance 500-
800Pa, adsorbing medium molecular sieve, apparatus-form is rotary-type, purification efficiency more than 90%, supporting desorption and regeneration device RCO, decomposes
The mode of heating of device is electrical heating or gas heating, supporting explosion-proof desorption blower fan；Electric-control system explanation uses SIEMENS PLC.
In the above method, the material of the airduct of use is made using zinc-coated spiral airduct, and pipeline enclosure is connected using flange, method
Your beautiful writings is sealed with rubber and plastic minuteness；Air velocity duct：According to related specifications, waste gas wind speed takes 10~12m/s in pipeline；System fan bottom
Seat：Framework is welded into using channel-section steel, angle steel industry profile；The determination of chimney size, depending on air velocity and discharge nuisance
The concentration of matter determines jointly；Wind speed design is between 12-16m/s in chimney；Chimney is manufactured using carbon steel.
In the above method, the cleaning system electrical system of use is using traditional relay-contactor control or programmable
Controller controls, if conventional control screen, control voltage uses 220VAC；380V station service electrical systems and motor are by the de- of breaker
Detain device and fuse and realize protection with electrothermal relay.
In the above method, the earthed system of use meets the related request of GB, DL and IEC standard, in position will
Embedded earthing pole, its position will not interfere with the ground connection well with manhole, and each earthing pole will be connected with grounding grids, ground connection
Net conductor can be set as close to equipment；It is independent closure grounded screen in cleaning system region, its grounding resistance is≤4
Ω。
In the above method, 0.4kV power cables use 0.6/1.0kV polythene insulation PVC sheath cables, cable
Conductor use copper conductor, cable of the section more than 6mm2 is stranded copper cable, and section is less than 16mm2Cable, its neutral conductor
Section must be identical with the section of phase line；Cable for 24V is KVVP cables, and minimum cross-sectional area of conductor >=1.5mm2；
0.4kV power cables avoid transition joint without transition joint, control cable；Section is more than 16mm20.4kV power cables end
End connector will use terminal fitting.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
- A kind of 1. mineral fibres waste gas processing method, it is characterised in that：Specially：First passed through after cotton collecting chamber's waste gas removing dust processing EGT is down to less than 40 DEG C by vapor-water heat exchanger, enters back into stage high-effective filter, passes through desorption to condensate liquid and dust Processing is further processed after blower fan and heater, it is intended that protect adsorbent of molecular sieve below, then pass through molecular sieve runner Adsorption Concentration device, waste gas are discharged into air after being purified；Molecular sieve runner Adsorption Concentration device divides adsorption zone, desorption and regeneration area And cooling zone, continuous reliability service can be achieved；Desorption and regeneration area is passed through hot-air and blows the organic solvent adsorbed in molecular sieve Take off, be re-fed into follow-up RCO devices and resolve into innoxious CO2And H2Qualified discharge after O.
- 2. mineral fibres waste gas processing method according to claim 1, it is characterised in that：In methods described, steam-water heat exchanging Below 60 DEG C of device intake air temperature, below 40 DEG C of air outlet temperature, equipment material aluminum fin-stock, shell is carbon steel, processing air quantity m3/h 150000,30 DEG C of cooling water inlet, 40 DEG C of coolant outlet.
- 3. mineral fibres waste gas processing method according to claim 1, it is characterised in that：The stage high-effective filters type Number it is VQ-Y-1500, processing total blast volume 150000m3/ h, filter efficiency ＞ 99%, by-pass filtration material primarily efficient filter wool, two level High efficiency filter in filtering material, three-stage filtration material high efficiency filter.
- 4. mineral fibres waste gas processing method according to claim 1, it is characterised in that：The molecular sieve runner absorption is dense Compression apparatus model VY-ZL-1500, processing air quantity 150000m3/ h, equipment resistance 500-800Pa, adsorbing medium molecular sieve, equipment Form is rotary-type, purification efficiency more than 90%, supporting desorption and regeneration device RCO, the mode of heating of decomposer for electrical heating or Gas heating, supporting explosion-proof desorption blower fan；Electric-control system explanation uses SIEMENS PLC.
- 5. mineral fibres waste gas processing method according to claim 1, it is characterised in that：In methods described, the wind of use The material of pipe is made using zinc-coated spiral airduct, and pipeline enclosure is connected using flange, is sealed between flange with rubber and plastic minuteness；Air velocity duct： According to related specifications, waste gas wind speed takes 10~12m/s in pipeline；System fan base：Welded using channel-section steel, angle steel industry profile Into framework；The determination of chimney size, depending on the concentration of air velocity and discharge harmful determines jointly；Wind speed is set in chimney Meter is between 12-16m/s；Chimney is manufactured using carbon steel.
- 6. mineral fibres waste gas processing method according to claim 1, it is characterised in that：In methods described, use it is net Change system electrical system using traditional relay-contactor control or Controlled by Programmable Controller, if conventional control screen, control Voltage processed uses 220VAC；380V station service electrical systems and motor are realized by the electrical apparatus release and fuse of breaker with electrothermal relay Protection.
- 7. mineral fibres waste gas processing method according to claim 1, it is characterised in that：In methods described, use connects Ground system meets the related request of GB, DL and IEC standard, in position will not interfere with embedded earthing pole, its position Ground connection well with manhole, each earthing pole will be connected with grounding grids, and grounding grids can be set as close to equipment； It is independent closure grounded screen in cleaning system region, its grounding resistance is≤4 Ω.
- 8. mineral fibres waste gas processing method according to claim 1, it is characterised in that：In methods described, 0.4kV power Cable uses 0.6/1.0kV polythene insulation PVC sheath cables, and the conductor of cable uses copper conductor, and section is more than 6mm2 Cable be stranded copper cable, section is less than 16mm2Cable, the section of its neutral conductor must be identical with the section of phase line；For 24V cable is KVVP cables, and minimum cross-sectional area of conductor >=1.5mm2；0.4kV power cables control cable without transition joint Avoid transition joint；Section is more than 16mm2The terminal fittings of 0.4kV power cables will use terminal fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066449.8A CN107694224A (en) | 2017-11-02 | 2017-11-02 | A kind of mineral fibres waste gas processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711066449.8A CN107694224A (en) | 2017-11-02 | 2017-11-02 | A kind of mineral fibres waste gas processing method |
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| Publication Number | Publication Date |
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| CN107694224A true CN107694224A (en) | 2018-02-16 |
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ID=61177709
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711066449.8A Pending CN107694224A (en) | 2017-11-02 | 2017-11-02 | A kind of mineral fibres waste gas processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252048A (en) * | 2019-06-28 | 2019-09-20 | 徐娜娜 | A kind of blast furnace tail gas processing unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202569894U (en) * | 2012-06-12 | 2012-12-05 | 中国国际海运集装箱(集团)股份有限公司 | Painting organic waste gas recovery processing device |
| CN103007682A (en) * | 2012-12-03 | 2013-04-03 | 北汽(广州)汽车有限公司 | Waste gas treatment method and system of coating workshop based on concentrated runner and RTO (regenerative thermal oxidizer) |
| CN203183884U (en) * | 2013-03-15 | 2013-09-11 | 湖北吉隆危废处理技术有限公司 | Rotation and heat accumulation type organic waste gas treatment system |
-
2017
- 2017-11-02 CN CN201711066449.8A patent/CN107694224A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202569894U (en) * | 2012-06-12 | 2012-12-05 | 中国国际海运集装箱(集团)股份有限公司 | Painting organic waste gas recovery processing device |
| CN103007682A (en) * | 2012-12-03 | 2013-04-03 | 北汽(广州)汽车有限公司 | Waste gas treatment method and system of coating workshop based on concentrated runner and RTO (regenerative thermal oxidizer) |
| CN203183884U (en) * | 2013-03-15 | 2013-09-11 | 湖北吉隆危废处理技术有限公司 | Rotation and heat accumulation type organic waste gas treatment system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252048A (en) * | 2019-06-28 | 2019-09-20 | 徐娜娜 | A kind of blast furnace tail gas processing unit |
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Application publication date: 20180216 |