CN108355444A - A kind of industry of artificial boards drying exhaust gas treating method and its processing equipment - Google Patents
A kind of industry of artificial boards drying exhaust gas treating method and its processing equipment Download PDFInfo
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- CN108355444A CN108355444A CN201810228949.5A CN201810228949A CN108355444A CN 108355444 A CN108355444 A CN 108355444A CN 201810228949 A CN201810228949 A CN 201810228949A CN 108355444 A CN108355444 A CN 108355444A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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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
- 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
- B01D53/1425—Regeneration of liquid absorbents
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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
- 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
- B01D53/1487—Removing organic compounds
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical Kinetics & Catalysis (AREA)
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- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of industry of artificial boards drying exhaust gas treating method and its processing equipments, it includes the following steps：（a）Directly outer row after pre- spray process, the processing of wet electric precipitation is carried out successively to dry tail gas, collects spray liquid；（b）The spray liquid stratification is obtained into the first supernatant and the first precipitation；（c）After first supernatant liquid filtering, then stratification obtains the second supernatant and the second precipitation；（d）It collects first precipitation and described second to precipitate, part second supernatant is recycled as spray liquid.Reach dedusting dehumidifying taste removal, minimum discharge by using pre- spray process and the processing of wet electric precipitation, can solve the problems, such as that industry of artificial boards dries exhaust pollutant minimum discharge；Using through filtering, press filtration treated waste water, as circulation fluid, the dosage of water is greatly reduced, operating cost is reduced.
Description
Technical field
The invention belongs to industry of artificial boards vent gas treatment fields, are related to a kind of processing method of dry tail gas, and in particular to
A kind of industry of artificial boards drying exhaust gas treating method and its processing equipment.
Background technology
With the continuous social and economic development, air pollution getting worse, the work of people and living environment are worsening,
Therefore requirement of the people for living environment quality is higher and higher.Currently, environmental protection has become the common recognition of people, it is therefore desirable to
The exhaust gas generated to industry purifies, and prevents it to air born pollution.Present artificial liner enterprise substantially belongs to exhaust emissions
Self-discharging does not control exhaust gas component.Main component is fibre dust, formaldehyde, volatility in Wood-based Panel Production tail gas
Organic gas substance（VOC）And foul smell, and Wood-based Panel Production tail gas is large-minded, dustiness is high, temperature is high, can be caused to environment
Detrimental effect.Gas handling techniques currently on the market can not be handled with large-minded, dustiness is high, temperature is high, organic
The industrial tail gas for the features such as object concentration is low.And from external importing technology then because high equipment cost, operating cost are high, to original
The industry of artificial boards for belonging to meagre profit operation is avenged and adds frost again.
Application No. is 201510313937.9 Chinese invention patents to disclose a kind of processing side of industry of artificial boards exhaust gas
Method and its processing equipment, by exhaust gas is imported in scrubbing tower carry out spray process after directly outer row, collect spray liquid, it is clear that this
The directly outer waste gas humidity arranged of sample is larger, it is therefore desirable to larger water usage amount so that operating cost is higher.
Invention content
A kind of industry of artificial boards drying vent gas treatment side is provided the invention aims to overcome the deficiencies in the prior art
Method.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of industry of artificial boards drying exhaust gas treating method,
It includes the following steps：
（a）Directly outer row after pre- spray process, the processing of wet electric precipitation is carried out successively to dry tail gas, collects spray liquid；
（b）The spray liquid stratification is obtained into the first supernatant and the first precipitation；
（c）After first supernatant liquid filtering, then stratification obtains the second supernatant and the second precipitation；
（d）It collects first precipitation and described second to precipitate, part second supernatant is recycled as spray liquid.
Optimally, it further includes：
（e）First precipitation and second precipitation through press filtration are obtained into clear liquid and mud cake, and merge the clear liquid and described the
Two supernatants.
Optimally, step（a）In, the wet electric precipitation is handled using wet electrical dust precipitator.
Optimally, pre- spray is independently of one another 5 ~ 100 μ with the size droplet diameter for spraying generation in the wet electric precipitation
m。
Another object of the present invention is to provide a kind of industry of artificial boards drying tail gas treatment device, it includes：
Spraying and dedusting component, the spraying and dedusting component, which includes bottom, to be had the tower body of water outlet, is set at the top of the tower body
And coupled logical exhaust pipe, be set to the tower body lower sidewall and coupled logical guide pipeline, be mounted on it is described
Wet electrical dust precipitator in tower body, in the tower body and positioned at the spray tube of both sides above and below the wet electrical dust precipitator with
And multigroup pre- spray thrower in the guide pipeline, water return outlet is offered on the guide pipeline；
First sedimentation basin, first sedimentation basin be set to the side of the spraying and dedusting component and by pipeline respectively with it is described
Water outlet is connected with the water return outlet；
Filter assemblies, the filter assemblies are connected with first sedimentation basin；
Second sedimentation basin, second sedimentation basin are connected with the filter assemblies；
Circulatory pool, the circulatory pool be set to the other side of the spraying and dedusting component and by multigroup pump group part respectively with it is described
Pre- spray thrower, the spray tube are connected；The circulatory pool is at least connected with the filter assemblies by drainpipe.
Optimally, it further includes the filter press being connected with second sedimentation basin, the filter press and the circulatory pool
It is connected.
Optimally, the pump group part includes connecting pipe and the water pump in the connecting pipe.
Optimally, the spraying and dedusting component further includes more in the tower body and below the spray tube
Group deflector, the deflector are corresponding with the guide pipeline.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：Wood-based plate row of the present invention
Industry dries exhaust gas treating method, reaches dedusting dehumidifying taste removal, minimum discharge by using pre- spray process and the processing of wet electric precipitation,
It can solve the problems, such as that industry of artificial boards dries exhaust pollutant minimum discharge；Using through filtering, press filtration treated waste water conduct
Circulation fluid greatly reduces the dosage of water, reduces operating cost；Exhaust gas is purified, plant chimney stalk also recycled,
Qualified discharge；Solid waste yield is also less, and mud cake can be fed directly to heating center's burning, realizes the cycle that resource maximally utilizes
It is economical；And the fiber-like suspended matter in production waste water can be effectively filtered out, avoid the blocking of equipment, efficiency of dust collection from making up to 70%
Device really realizes Unmanned operation；Met using the present invention treated discharge gas《Discharge standard of air pollutants》
Limit value as defined in GB16297-1996 can greatly reduce the outer pollution discharging object amount to environment every year, have apparent Environmental Effect
Benefit, and the influence for greatly reducing foul smell etc. to surrounding enviroment；Industry of artificial boards drying tail gas treatment device synthesis of the present invention
Dedusting, demisting（It is wet）, deodorization（VOCs）, maximum feature is while realizing the minimum discharge of particulate matter, to reduce formaldehyde, phenol
The concentration of emission of the volatile organic matters such as class, aerosol, non-methane total hydrocarbons realizes that exhaust gas removes to effectively reduce exhaust gas peculiar smell
The deodorizing integrated comprehensive treatment of dirt；Strong with anti-shock loading, the cycle of operation is long, at low cost, floor space is small, without secondary dirt
Contaminate the advantage generated, can the high dust-laden of efficient process, high temperature, atm number, low concentration industry of artificial boards exhaust gas, treatment effect reaches
90% or more.
Description of the drawings
Attached drawing 1 is the structural schematic diagram that industry of artificial boards of the present invention dries tail gas treatment device.
Specific implementation mode
The preferred embodiment of the invention is described in detail below in conjunction with attached drawing：
Industry of artificial boards as shown in Figure 1 dries tail gas treatment device, includes mainly spraying and dedusting component 1, circulatory pool 2, first
Sedimentation basin 4, filter assemblies 5 and second sedimentation basin 6 etc..
Wherein, spraying and dedusting component 1 includes tower body 11, exhaust pipe 13, guide pipeline 14, wet electrical dust precipitator 16 and pre- spray
Drench device 18 etc.；The bottom of tower body 11 is cone and forms water outlet 12, for exporting the shower water in it；Exhaust pipe 13 is arranged
At the top of tower body 11 and coupled logical, for will treated tail gas discharge；Guide pipeline 14 is arranged in tower body 11
Lower sidewall and be connected with tower body 11, dry tail gas for importing pending industry of artificial boards into tower body 11；Gas-guide tube
Water return outlet 141 is offered on road 14.Wet electrical dust precipitator 16（That is WESP equipment）It in tower body 11 and is located therein, uses
In being dusted processing to tail gas above-mentioned（Go the harmful substances such as dedusting, acid mist, water droplet, aerosol, stink, PM2.5）.Spray
Pipe 17 is mounted in tower body 11, it has twice and is located at the both sides up and down of wet electrical dust precipitator 16, can be to dry tail gas
It is sprayed.Pre- spray thrower 18 has multigroup, their interior and positioned at water return outlet 141 upstream, such mistakes mounted on guide pipeline 14
The shower water of amount can be through this discharge.Reach dedusting dehumidifying taste removal, ultralow row by using pre- spray process, the processing of wet electric precipitation
It puts, and the water very little needed for pre- spray process, industry of artificial boards drying exhaust pollutant minimum discharge, big with water can be solved
The problem of.First sedimentation basin 4 be arranged the side of spraying and dedusting component 1 and by pipeline respectively with water outlet 12 and water return outlet
141 are connected, for accepting the shower water of discharge to save the usage amount of water；Filter assemblies 5 are connected with the first sedimentation basin 4,
To improve the water quality of the first sedimentation basin 4 water outlet；Second sedimentation basin 6 is connected with filter assemblies 5, for accepting filter assemblies 5
It is discharged and further increases water quality.Circulatory pool 2 is arranged in the other side of spraying and dedusting component 1, it by drainpipe 8 at least with mistake
Filter component 5 is connected, the clear liquid for accepting filter assemblies 5；It also by multigroup pump group part 3 respectively with pre- spray thrower 18, spray
Shower pipe 17 is connected, and can the water in circulatory pool 2 be pumped into guide pipeline 14 in this way and tower body 11 is recycled as spray-water
It uses, greatly reduces the dosage of water, reduce operating cost；Exhaust gas is purified, and plant chimney stalk is also recycled, reached
Mark discharge；And can effectively filter out the fiber-like suspended matter in production waste water, avoid the blocking of equipment, efficiency of dust collection up to 70%,
Device is set really to realize Unmanned operation；Discharge gas meets《Discharge standard of air pollutants》GB16297-1996 is provided
Limit value, the outer pollution discharging object amount to environment can be greatly reduced every year, there is apparent environmental benefit, and greatly reduce
The influence to surrounding enviroment such as foul smell.
In the present embodiment, industry of artificial boards drying tail gas treatment device further includes the pressure being connected with the second sedimentation basin 6
Filter 7（Filter press 7 is connected by sludge pipe with the second sedimentation basin 6, and filter press 7 can also pass through sludge with the first sedimentation basin 4
Pipeline is connected）, can be used for carrying out processing to the mud in the second sedimentation basin 6 obtaining clear liquid and filter cake；Filter press 7 also with cycle
Pond 2 is connected to import clear liquid in circulatory pool 2；Solid waste yield in this way is also less, and mud cake can be fed directly to heating center and burn
It burns, realizes the circular economy that resource maximally utilizes.Pump group part 3 is including connecting pipe 31 and in connecting pipe 31
Water pump 32.Spraying and dedusting component 1 further includes being mounted in tower body 11 and being located at spray tube 17（Refer under being located in two groups of spray tubes 17
That group of side）Multigroup deflector 15 of lower section so that deflector 15 is corresponding with guide pipeline 14, can stablize input in this way
Exhaust gas flow improves vent gas treatment effect.
The above-mentioned concrete structure that tail gas treatment device is dried to industry of artificial boards is described, below to its operation principle
（That is, to the method for industry of artificial boards drying vent gas treatment）It is illustrated.
Kind of industry of artificial boards drying tail gas is handled with above-mentioned industry of artificial boards drying tail gas treatment device, it is wrapped
Include following steps：（a）Dry tail gas is imported by guide pipeline 14 through deflector 15 to the wet electrical dust precipitator 16 of tower body 11
Interior, to carry out pre- spray process, the processing of wet electric precipitation successively to dry tail gas, subsequent gas is through the directly outer row of exhaust pipe 13；
And spray liquid is then collected by pipeline（This is because one end of pipeline is connected with water outlet 12 and water return outlet 141 respectively
It is logical）；（b）Since the other end of pipeline is connected with the first sedimentation basin 4, to which the spray liquid of collection is delivered to the first sedimentation basin
In 4, stratification obtains the first supernatant and the first precipitation；（c）First supernatant is imported to the mistake being connected with the first sedimentation basin 4
It filters in component 5, to the first supernatant liquid filtering；It is imported in the second sedimentation basin 6 by pipeline again, reactivation with aeration is first carried out to it to drop
Solution removes organic matter therein, and stratification obtains the second supernatant and the second precipitation；（d）The first precipitation is collected by sludge pipe
With the second precipitation, the second supernatant is delivered to by drainpipe 8 in circulatory pool 2, is used as pre- spray process, the processing of wet electric precipitation
Required shower water.
In the present embodiment, further include to kind of a processing method for industry of artificial boards drying tail gas：（e）By the first precipitation and the
Two precipitations obtain clear liquid and mud cake through press filtration, and merge clear liquid and the second supernatant.Step（a）In, step（a）In, the wet electricity
Dedusting is handled using wet electrical dust precipitator.The size droplet diameter that generation is sprayed in pre- spray and wet electric precipitation is independently of one another
5~100μm.Such as the industry of artificial boards drying tail gas of certain enterprise is after testing, parameter is：Dustiness measured data 300mg/m3、
VOCs 100mg/m3, 5 mg/m of formaldehyde3；After above equipment and using above method processing, outer last person's gas parameter is：Dustiness
Measured data 10mg/m3；VOCs：60mg/m3；Formaldehyde：3 mg/m3。
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of industry of artificial boards dries exhaust gas treating method, which is characterized in that it includes the following steps：
（a）Directly outer row after pre- spray process, the processing of wet electric precipitation is carried out successively to dry tail gas, collects spray liquid；
（b）The spray liquid stratification is obtained into the first supernatant and the first precipitation；
（c）After first supernatant liquid filtering, then stratification obtains the second supernatant and the second precipitation；
（d）It collects first precipitation and described second to precipitate, part second supernatant is recycled as spray liquid.
2. industry of artificial boards according to claim 1 dries exhaust gas treating method, which is characterized in that it further includes：
（e）First precipitation and second precipitation through press filtration are obtained into clear liquid and mud cake, and merge the clear liquid and described the
Two supernatants.
3. industry of artificial boards according to claim 1 dries exhaust gas treating method, it is characterised in that：Step（a）In, it is described
Wet electric precipitation is handled using wet electrical dust precipitator.
4. industry of artificial boards according to claim 1 dries exhaust gas treating method, it is characterised in that：The pre- spray and institute
It states and sprays the size droplet diameter of generation in wet electric precipitation and be independently of one another 5 ~ 100 μm.
5. a kind of industry of artificial boards dries tail gas treatment device, which is characterized in that it includes：
Spraying and dedusting component（1）, the spraying and dedusting component（1）There is water outlet including bottom（12）Tower body（11）, setting
In the tower body（11）Top and coupled logical exhaust pipe（13）, be set to the tower body（11）Lower sidewall and with its phase
The guide pipeline of connection（14）, be mounted on the tower body（11）Interior wet electrical dust precipitator（16）, be mounted on the tower body（11）
It is interior and be located at the wet electrical dust precipitator（16）The spray tube of upper and lower both sides（17）And it is mounted on the guide pipeline（14）It is interior
Multigroup pre- spray thrower（18）, the guide pipeline（14）On offer water return outlet（141）；
First sedimentation basin（4）, first sedimentation basin（4）It is set to the spraying and dedusting component（1）Side and pass through pipeline
Respectively with the water outlet（12）With the water return outlet（141）It is connected；
Filter assemblies（5）, the filter assemblies（5）With first sedimentation basin（4）It is connected；
Second sedimentation basin（6）, second sedimentation basin（6）With the filter assemblies（5）It is connected；
Circulatory pool（2）, the circulatory pool（2）It is set to the spraying and dedusting component（1）The other side and pass through multigroup pump group part
（3）Respectively with the pre- spray thrower（18）, the spray tube（17）It is connected；The circulatory pool（2）Pass through drainpipe（8）At least
With the filter assemblies（5）It is connected.
6. industry of artificial boards according to claim 5 dries tail gas treatment device, it is characterised in that：It further include with it is described
Second sedimentation basin（6）The filter press being connected（7）, the filter press（7）With the circulatory pool（2）It is connected.
7. industry of artificial boards according to claim 5 dries tail gas treatment device, it is characterised in that：The pump group part（3）
Including connecting pipe（31）And it is mounted on the connecting pipe（31）On water pump（32）.
8. industry of artificial boards according to claim 5 dries tail gas treatment device, it is characterised in that：The spraying and dedusting group
Part（1）Further include being mounted on the tower body（11）It is interior and be located at the spray tube（17）Multigroup deflector of lower section（15）, described
Deflector（15）With the guide pipeline（14）It is corresponding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810228949.5A CN108355444A (en) | 2018-03-20 | 2018-03-20 | A kind of industry of artificial boards drying exhaust gas treating method and its processing equipment |
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| CN201810228949.5A CN108355444A (en) | 2018-03-20 | 2018-03-20 | A kind of industry of artificial boards drying exhaust gas treating method and its processing equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437425A (en) * | 2018-12-25 | 2019-03-08 | 哈工大机器人（合肥）国际创新研究院 | The liquid waste treating apparatus of plasma polishing machine, device and method |
| CN109621613A (en) * | 2019-01-11 | 2019-04-16 | 山东名邦环保科技有限公司 | A kind of dry tail gas minimum discharge method of wood-based plate |
| CN109647109A (en) * | 2019-01-11 | 2019-04-19 | 山东名邦环保科技有限公司 | A kind of dry tail gas minimum discharge equipment of wood-based plate |
| CN110252059A (en) * | 2019-06-14 | 2019-09-20 | 苏州市协力环保设备有限公司 | Fiberboard dry waste gas processing system and fiberboard dry waste gas treatment process |
| CN110759589A (en) * | 2019-10-21 | 2020-02-07 | 南京林业大学 | Treatment method for treating sewage-containing wastewater by artificial board fiber drying tail gas |
| CN111111350A (en) * | 2020-01-16 | 2020-05-08 | 广西金科环境工程有限公司 | Dust removal system and dust removal process for dry tail gas in artificial board production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437425A (en) * | 2018-12-25 | 2019-03-08 | 哈工大机器人（合肥）国际创新研究院 | The liquid waste treating apparatus of plasma polishing machine, device and method |
| CN109621613A (en) * | 2019-01-11 | 2019-04-16 | 山东名邦环保科技有限公司 | A kind of dry tail gas minimum discharge method of wood-based plate |
| CN109647109A (en) * | 2019-01-11 | 2019-04-19 | 山东名邦环保科技有限公司 | A kind of dry tail gas minimum discharge equipment of wood-based plate |
| CN110252059A (en) * | 2019-06-14 | 2019-09-20 | 苏州市协力环保设备有限公司 | Fiberboard dry waste gas processing system and fiberboard dry waste gas treatment process |
| CN110252059B (en) * | 2019-06-14 | 2021-08-27 | 苏州市协力环保设备有限公司 | Fiberboard drying waste gas treatment system and fiberboard drying waste gas treatment process |
| CN110759589A (en) * | 2019-10-21 | 2020-02-07 | 南京林业大学 | Treatment method for treating sewage-containing wastewater by artificial board fiber drying tail gas |
| CN111111350A (en) * | 2020-01-16 | 2020-05-08 | 广西金科环境工程有限公司 | Dust removal system and dust removal process for dry tail gas in artificial board production |
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Application publication date: 20180803 |