CN109758854A - A kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal method - Google Patents
A kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal method Download PDFInfo
- Publication number
- CN109758854A CN109758854A CN201910068793.3A CN201910068793A CN109758854A CN 109758854 A CN109758854 A CN 109758854A CN 201910068793 A CN201910068793 A CN 201910068793A CN 109758854 A CN109758854 A CN 109758854A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- dust
- air
- asphalt surface
- flue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Treating Waste Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The present invention relates to a kind of asphalt surface hot reproduction vehicle smog dust pelletizing system, structure includes the flue gas absorbing device being set on asphalt surface hot reproduction vehicle car, heat-exchange device, cooling device, centrifugal induced draft device plasma electrostatic precipitator, active carbon deduster and air-exhausting duct.It is sequentially connected between each device by pipeline, is discharged after the flue gas sucking dust pelletizing system generated during the hot recycling of road surface is carried out cooling and dedusting.A kind of dust removal method is also disclosed in the present invention, by the flue gas generated during the hot recycling of road surface after cooling and centrifugal dust-removing, it is successively passed through plasma electrostatic precipitator and active carbon deduster again, it is few with moisture contained by the flue gas of initial centrifugation dedusting and bulky grain flue dust by cooling, and temperature is lower, is appropriate for plasma electrostatic precipitation, to improve efficiency of dust collection, flue gas can reach discharge standard after activated carbon adsorption is handled, and can be directly discharged in atmosphere.
Description
Technical field
The present invention relates to a kind of smog dust pelletizing system, specifically a kind of asphalt surface hot reproduction vehicle smog deduster
And dust removal method.
Background technique
As China's economy develops rapidly, highway transportation is increasingly heavy, and overload of vehicle phenomenon is serious in addition, and road is split
The pavement diseases such as seam, pit slot, the integrated service for seriously affecting road surface is horizontal, shortens the service life on road surface, to the safety of driving
Property and comfort impact, and bring hidden trouble of traffic.Therefore, it is necessary to carry out repair maintenance to old road surface, and repairing
It needs that the heating of damaged road is made its softening using high temperature in journey, to facilitate road pavement to carry out milling, but asphalt roads is in height
The lower flue gas that can generate a large amount of pollution environment of temperature, needs flue gas being collected dedusting.And country is in terms of air pollution now
Monitoring is increasingly stringenter, and is continued to increase to flue gas emission supervision.
Process needed for hot-in-place recycling for asphalt pavement special operation vehicle can meet asphalt surface hot reproduction construction operation is fitted
In the breakage of dribbing road and road maintenance.Existing hot-in-place recycling for asphalt pavement special operation vehicle is quiet only with plasma
Electro Sorb dedusting, due to flue-gas temperature height, the discharge of electrostatic precipitation effect is poor, and treated exhaust gas can not reach country is wanted
It asks.
Summary of the invention
It is an object of the invention to provide a kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal methods, with solution
The poor problem of certainly existing asphalt surface hot reproduction on-site heat regeneration special-purpose vehicle dust removing effects.
The present invention is implemented as follows: a kind of asphalt surface hot reproduction vehicle smog dust pelletizing system, comprising:
Flue gas absorbing device is set in the heating plate of asphalt surface hot reproduction vehicle bottom, which is provided with air inlet and air draught
Pipe, for collecting and conveying flue gas that heating plate generates during the work time and produced during heating worn pavement
Raw pollution gas and dust；
Heat-exchange device is connected between flue gas absorbing device and cooling device, including several heat-exchange tubes, for liquid liquid
Change gas and pitch is preheated, and flue gas is made tentatively to cool down；
Cooling device is connected between heat-exchange device and centrifugation device, for further being cooled down to flue gas；
Centrifugal induced draft device is connected between cooling device and plasma electrostatic precipitator, including air-introduced machine and be located at air-introduced machine
The flue steering portion of outlet makes condensation vapor for generating negative pressure guidance airflow direction, and by flue gas after cooling centrifugation, greatly
Particle dust precipitating；
Plasma electrostatic precipitator is connected between centrifugal induced draft device and air-exhausting duct, for input flue gas and dust into
Row adsorption cleaning；And
Air-exhausting duct is set to the end of system, for purified gas to be discharged.
Active carbon deduster is additionally provided between the plasma electrostatic precipitator and air-exhausting duct.
The cooling device includes radiator and exhaust fan, and the radiator is set to asphalt surface hot reproduction vehicle car
On side wall, and the position for being provided with radiator on the side wall is provided with ventilation opening, and the exhaust fan is set to asphalt surface hot again
The top of raw vehicle car.
The radiator includes heat-dissipating pipe and radiating fin, and described heat-dissipating pipe one end connect the other end with the heat-exchange tube
The air-introduced machine connection being connect with the centrifugal induced draft device, length direction point of several radiating fins along the heat-dissipating pipe
Cloth.
The flue steering portion is one section of U-tube road, and the one end in U-tube road connect another with the air outlet of the air-introduced machine
End is connect with the entrance of the plasma electrostatic precipitator.
Sewage draining exit is provided in the bottom of the flue steering portion.
A kind of dust removal method using above-mentioned asphalt surface hot reproduction vehicle smog dust pelletizing system, comprising the following steps:
A. pass through the flue gas and heating worn pavement mistake that flue gas absorbing device generates heating plate during the work time
It produced pollution gas and dust absorbing and is delivered to inside dust pelletizing system in journey.
B. the flue gas inside intake system is cooled down by heat-exchange device and cooling device.
C. the flue gas after cooling is centrifuged using centrifugal induced draft device, makes the condensation vapor in flue gas, big
Grain dust precipitating.
D. it will be delivered to plasma electrostatic precipitator with the flue gas after centrifugation by cooling down, electrostatic is carried out to flue gas and is removed
Dirt processing.
E. the flue gas after electrostatic precipitation processes is delivered to active carbon deduster, the molecule in flue gas is carried out
It is discharged after adsorption filtration.
The flue dust for needing periodic cleaning flue steering portion to deposit, and regularly replace the active carbon in active carbon deduster.
The flue gas and dripped in heating breakage that the present invention is generated heating plate by flue gas absorbing device during the work time
It produced pollution gas and dust absorbing and is delivered to inside dust pelletizing system during green road surface, then passes through heat exchange and fill
It sets and cools with cooling device to flue gas progress two-stage, the temperature of flue gas is made to reach the work temperature of plasma electrostatic precipitator
Degree, so that the efficiency of electrostatic precipitation be made to improve.And centrifugal induced draft device is mounted with before electrostatic precipitation, flue gas exists after cooling
Cool down under the centrifugal action of centrifugal induced draft device condensation moisture convergence in pipeline steering portion, it is heavy that bulky grain dust is easily assembled
It forms sediment, makes without steam in the flue gas of electrostatic precipitation section, to reduce the influence to plasma electrostatic precipitator, and in flue gas
Flue dust is substantially little particle, is suitble to the operating condition of plasma electrostatic precipitator.The cigarette being discharged from plasma electrostatic precipitator
Gas also needs the absorption by active carbon deduster, to guarantee to meet discharge standard from the flue gas that air-exhausting duct is discharged.
And the heat for taking full advantage of flue gas, it is pre- thermal evaporation to liquid lng progress, and pitch is preheated,
Not only tentatively cooled down to flue gas, while can be energy saving, reduces cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the A-A direction view of Fig. 1.
Fig. 3 is the B-B direction view of Fig. 1.
In figure: 1, compartment；2, flue gas absorbing device；3, heat-exchange device；4, radiator；5, exhaust fan；6, centrifugal induced draft
Device；7, plasma electrostatic precipitator；8, active carbon deduster；9, air-exhausting duct；6-1, air-introduced machine；6-2, flue steering portion.
Specific embodiment
As shown in Figure 1, Figure 2 and shown in Fig. 3, the present invention includes the flue gas being set on asphalt surface hot reproduction vehicle car 1
Absorption plant 2, heat-exchange device 3, cooling device, 6 plasma electrostatic precipitator 7 of centrifugal induced draft device, active carbon deduster 8 with
And air-exhausting duct 9.It is sequentially connected between each device by pipeline, the flue gas generated during the hot recycling of road surface is sucked into dust pelletizing system
It is discharged after carrying out cooling and dedusting.
Wherein, flue gas absorbing device 2 is set in the heating plate of 1 bottom of asphalt surface hot reproduction vehicle car, in flue gas
It is provided with air inlet on absorption plant 2, and is equipped with the aspiration channel connecting with air inlet, air inlet is opening down, can be by heating plate
The smoke absorption generated in the course of work, a circle enclosure is additionally provided with around heating plate prevents flue gas from the bottom in compartment 1
Evolution.
Heat-exchange device 3 is connected between flue gas absorbing device 2 and cooling device, is set to the bottom in compartment 1, and heat is handed over
Changing device 3 is made of several heat-exchange tubes, and heat-exchange tube one end is connect with aspiration channel, and the heat-dissipating pipe of the other end and cooling device connects
It connects.Heat-exchange device 3 can be installed liquid liquefied for utilizing the heat of the flue gas of absorption on heat-exchange device 3
The preheating device of gas and the preheating device of pitch are gasified liquid lng to use using high-temperature flue gas, and by pitch
Preheating is carried out thus energy consumption needed for reducing heated asphalt.Flue gas is tentatively cooled down by heat-exchange device 3 simultaneously, is reduced
The temperature of flue gas, to can be improved efficiency of dust collection in plasma electrostatic precipitation.
Cooling device, including radiator 4 and exhaust fan 5.Radiator 4 is mounted on the side wall in compartment 1, installs radiator 4
Side wall on be provided with ventilation opening, enable outside air by radiator 4 enter compartment 1, radiator 4 be connected to heat exchange dress
It sets between 3 and centrifugation device.Exhaust fan 5 is mounted on the top in compartment 1, for extracting the air in compartment 1 out, makes compartment
The air-flow of circulation is formed in 1, air-flow is by taking away the heat of radiator 4 when radiator 4, so that smoke secondary be cooled down.It dissipates
Hot device 4 includes heat-dissipating pipe and radiating fin, and heat-dissipating pipe one end is connected with heat-exchange tube, and the other end is filled by pipeline and centrifugal induced draft
The air-introduced machine 6-1 connection for setting 6, is delivered in centrifugal induced draft device 6 after flue gas is cooled.Radiating fin is round thin metal
Several radiating fins are all distributed on every heat-dissipating pipe in piece, and radiating fin is weldingly fixed on heat-dissipating pipe, increases radiator 4
With the contact area of air, improve the radiating efficiency of radiator 4.
Centrifugal induced draft device 6 includes air-introduced machine 6-1 and the flue steering portion 6-2 positioned at the outlet air-introduced machine 6-1, is connected to cold
But between device and plasma electrostatic precipitator 7.Air-introduced machine 6-1 makes flue gas from flue gas for generating negative pressure guidance airflow direction
Absorption plant 2 flows after sucking along pipeline, and is finally discharged from air-exhausting duct 9.Flue steering portion 6-2 is one section of U-tube road, U
One end of shape pipeline connect the other end with the air outlet of the air-introduced machine 6-1 and the entrance of the plasma electrostatic precipitator 7 connects
It connects, enters flue steering portion 6-2 after the flue gas to cool is by the acceleration centrifugation of air-introduced machine 6-1, since flue gas is in U-shaped
180 ° of turning is needed in pipeline, the steam and bulky grain flue dust of cooling condensation condensation can not be realized with air-flow in flue gas quickly turns
It is curved, so that aggregation condenses in the bottom of flue steering portion 6-2, preliminary dedusting is carried out to flue gas, by the moisture in flue gas and greatly
Particle dust is removed.In order to avoid the moisture and soot dust granule that constantly deposit block flue steering portion 6-2, so also in flue
The bottom of steering portion 6-2 has opened up sewage draining exit, needs periodically to carry out blowdown.
Plasma electrostatic precipitator 7 is set on the side wall inside compartment 1, and is connected to centrifugal induced draft device 6 and air draft
Between pipe 9, for the flue gas and dust progress adsorption cleaning to input.Since flue gas is by cooling and centrifugal dust-removing,
Containing seldom moisture and most of flue dust into the flue gas in plasma electrostatic precipitator 7 is little particle flue dust, and plasma is quiet
Electric precipitator 7 is best to the Electrostatic Absorption ability of little particle flue dust under lower temperature and the not situation of moisture, can be most
Good its dustproof function of performance, soot dust granule most in flue gas is adsorbed.
In order to further be dusted to flue gas, active carbon dedusting is also equipped with after plasma electrostatic precipitator 7
Device 8, the flue gas by 8 dedusting of active carbon deduster are practically free of flue dust and other polluters, can reach the gas of country
Body discharge standard.
Air-exhausting duct 9 is connected after active carbon deduster 8, air-exhausting duct 9 stretches out compartment 1, by the flue gas Jing Guo dust removal process
Discharge.
A kind of dust removal method for being directed to above-mentioned asphalt surface hot reproduction vehicle smog dust pelletizing system is also disclosed in the present invention,
The following steps are included:
A. pass through the flue gas and heating worn pavement mistake that flue gas absorbing device 2 generates heating plate during the work time
It produced pollution gas and dust absorbing and is delivered to inside dust pelletizing system in journey.
B. the flue gas inside intake system is cooled down by heat-exchange device 3 and cooling device.
C. the flue gas after cooling is centrifuged using centrifugal induced draft device 6, makes the condensation vapor in flue gas, big
Grain dust precipitating.
D. it will be delivered to plasma electrostatic precipitator 7 with the flue gas after centrifugation by cooling down, electrostatic is carried out to flue gas
Dust removal process.
E. the flue gas after electrostatic precipitation processes is delivered to active carbon deduster 8, to the molecule in flue gas into
It is discharged after row adsorption filtration.
The flue dust for needing periodic cleaning flue steering portion 6-2 to deposit, and regularly replace the activity in active carbon deduster 8
Charcoal.
The flue gas and dripped in heating breakage that the present invention is generated heating plate by flue gas absorbing device 2 during the work time
It produced pollution gas and dust absorbing and is delivered to inside dust pelletizing system during green road surface, then passes through heat exchange and fill
Set 3 and cooling device to flue gas carry out two-stage cool, so that the temperature of flue gas is reached the work temperature of plasma electrostatic precipitator 7
Degree, so that the efficiency of electrostatic precipitation be made to improve.And centrifugal induced draft device 6 is mounted with before electrostatic precipitation, flue gas after cooling
Cool down under the centrifugal action of centrifugal induced draft device 6 condensation moisture convergence in pipeline steering portion, bulky grain dust is easily assembled
Precipitating makes without steam in the flue gas of electrostatic precipitation section, to reduce the influence to plasma electrostatic precipitator 7, and flue gas
In flue dust be substantially little particle, be suitble to plasma electrostatic precipitator 7 operating condition.From 7 row of plasma electrostatic precipitator
Flue gas out also needs the absorption by active carbon deduster 8, to guarantee to meet discharge standard from the flue gas that air-exhausting duct 9 is discharged.
And the heat of flue gas is taken full advantage of, is not only tentatively cooled down to flue gas, while can be energy saving, reduces cost.
Claims (8)
1. a kind of asphalt surface hot reproduction vehicle smog dust pelletizing system characterized by comprising
Flue gas absorbing device is set in the heating plate of asphalt surface hot reproduction vehicle bottom, which is provided with air inlet and air draught
Pipe, for collecting and conveying flue gas that heating plate generates during the work time and produced during heating worn pavement
Raw pollution gas and dust；
Heat-exchange device is connected between flue gas absorbing device and cooling device, including several heat-exchange tubes, for liquid liquid
Change gas and pitch is preheated, and flue gas is made tentatively to cool down；
Cooling device is connected between heat-exchange device and centrifugation device, for further being cooled down to flue gas；
Centrifugal induced draft device is connected between cooling device and plasma electrostatic precipitator, including air-introduced machine and be located at air-introduced machine
The flue steering portion of outlet makes condensation vapor for generating negative pressure guidance airflow direction, and by flue gas after cooling centrifugation, greatly
Particle dust precipitating；
Plasma electrostatic precipitator is connected between centrifugal induced draft device and air-exhausting duct, for input flue gas and dust into
Row adsorption cleaning；And
Air-exhausting duct is set to the end of system, for purified gas to be discharged.
2. asphalt surface hot reproduction vehicle smog dust pelletizing system according to claim 1, which is characterized in that it is described it is equal from
Active carbon deduster is additionally provided between sub- electrostatic precipitator and air-exhausting duct.
3. asphalt surface hot reproduction vehicle smog dust pelletizing system according to claim 1, which is characterized in that the cooling dress
It sets including radiator and exhaust fan, the radiator is set on asphalt surface hot reproduction vehicle car side wall, and in the side wall
On be provided with the position of radiator and be provided with ventilation opening, the exhaust fan is set to the top of asphalt surface hot reproduction vehicle car.
4. asphalt surface hot reproduction vehicle smog dust pelletizing system according to claim 3, which is characterized in that the radiator
Including heat-dissipating pipe and radiating fin, described heat-dissipating pipe one end connect the other end and the centrifugal induced draft device with the heat-exchange tube
The air-introduced machine of connection connects, and several radiating fins are distributed along the length direction of the heat-dissipating pipe.
5. asphalt surface hot reproduction vehicle smog dust pelletizing system according to claim 1, which is characterized in that the flue turns
It is one section of U-tube road to portion, the one end in U-tube road connect the other end and the plasma electrostatic with the air outlet of the air-introduced machine
The entrance of deduster connects.
6. asphalt surface hot reproduction vehicle smog dust pelletizing system according to claim 5, which is characterized in that in the flue
The bottom of steering portion is provided with sewage draining exit.
7. a kind of dust removal method using asphalt surface hot reproduction vehicle smog dust pelletizing system described in claim 1, feature
It is, comprising the following steps:
A. pass through the flue gas and heating worn pavement mistake that flue gas absorbing device generates heating plate during the work time
It produced pollution gas and dust absorbing and is delivered to inside dust pelletizing system in journey；
B. the flue gas inside intake system is cooled down by heat-exchange device and cooling device；
C. the flue gas after cooling is centrifuged using centrifugal induced draft device, makes the condensation vapor in flue gas, bulky grain powder
Dirt precipitating；
D. it will be delivered to plasma electrostatic precipitator with the flue gas after centrifugation by cooling down, flue gas is carried out at electrostatic precipitation
Reason；
E. the flue gas after electrostatic precipitation processes is delivered to active carbon deduster, the molecule in flue gas is adsorbed
Filtering.
8. dust removal method according to claim 7, which is characterized in that the cigarette for needing periodic cleaning flue steering portion to deposit
Dirt, and regularly replace the active carbon in active carbon deduster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068793.3A CN109758854A (en) | 2019-01-24 | 2019-01-24 | A kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068793.3A CN109758854A (en) | 2019-01-24 | 2019-01-24 | A kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109758854A true CN109758854A (en) | 2019-05-17 |
Family
ID=66455207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910068793.3A Pending CN109758854A (en) | 2019-01-24 | 2019-01-24 | A kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109758854A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202546917U (en) * | 2012-04-05 | 2012-11-21 | 王凤来 | Heater using smoke waste heat |
| CN105509492A (en) * | 2015-12-24 | 2016-04-20 | 东北大学设计研究院（有限公司） | System and method for recovering waste heat and CO2 of alumina rotary kiln flue gas |
| CN206768529U (en) * | 2017-05-31 | 2017-12-19 | 河南高远公路养护设备股份有限公司 | Asphalt heater |
| CN108310890A (en) * | 2018-04-18 | 2018-07-24 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of automobile-used smoke eliminating equipment of asphalt roads maintenance |
| CN207685647U (en) * | 2017-12-15 | 2018-08-03 | 河北扶波机械制造有限公司 | Hot-in-place recycling for asphalt pavement special operation vehicle dust pelletizing system |
| CN208187804U (en) * | 2018-04-10 | 2018-12-04 | 谢波 | A kind of air-cooled smoke sampling pretreatment unit of bag-type dust dehumidifying |
-
2019
- 2019-01-24 CN CN201910068793.3A patent/CN109758854A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202546917U (en) * | 2012-04-05 | 2012-11-21 | 王凤来 | Heater using smoke waste heat |
| CN105509492A (en) * | 2015-12-24 | 2016-04-20 | 东北大学设计研究院（有限公司） | System and method for recovering waste heat and CO2 of alumina rotary kiln flue gas |
| CN206768529U (en) * | 2017-05-31 | 2017-12-19 | 河南高远公路养护设备股份有限公司 | Asphalt heater |
| CN207685647U (en) * | 2017-12-15 | 2018-08-03 | 河北扶波机械制造有限公司 | Hot-in-place recycling for asphalt pavement special operation vehicle dust pelletizing system |
| CN208187804U (en) * | 2018-04-10 | 2018-12-04 | 谢波 | A kind of air-cooled smoke sampling pretreatment unit of bag-type dust dehumidifying |
| CN108310890A (en) * | 2018-04-18 | 2018-07-24 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of automobile-used smoke eliminating equipment of asphalt roads maintenance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208282293U (en) | A kind of rotary dehumidifier | |
| CN107198923A (en) | A kind of purification process technique of coke wet quenching steam | |
| US5510087A (en) | Two stage downflow flue gas treatment condensing heat exchanger | |
| CN105536484B (en) | A kind of pollutant pre-corrosion tower based on flue gas condensing | |
| CN206730800U (en) | Improved waste gas adsorption concentration device | |
| CN110215790A (en) | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator | |
| CN102767837A (en) | System for recovering water contained in flue gas and synchronously removing PM2.5 (Particulate Matter) | |
| CN201239671Y (en) | Wind-cooling cyclone separating device | |
| CN105664633A (en) | Integral-type electric bag composite dust remover for purifying coal-fired flue gas and dust removal method | |
| CN110124347A (en) | A kind of energy and water saving type flue gas purification device and method | |
| CN105021051B (en) | A kind of waste heat of cupola furnace utilizes dedusting and desulphurization integrated system | |
| CN109758854A (en) | A kind of asphalt surface hot reproduction vehicle smog dust pelletizing system and dust removal method | |
| CN210765381U (en) | LT dry dedusting system | |
| CN209161961U (en) | A kind of purification-recovery system for damaged tire cracking oil gas | |
| CN205386406U (en) | Pollutant pretreater based on flue gas condensation | |
| JP2601633B2 (en) | Shower tunnel type exhaust purification system with wastewater regeneration capability | |
| CN107725194A (en) | Integrate the gas turbine inlet air processing system that pollutant cleaning filtering cools down with evaporation | |
| CN207871800U (en) | Wet type tertiary treatment system | |
| CN208918631U (en) | High-efficiency environment friendly automobile exhaust gas purifying installation | |
| CN210145785U (en) | Deep dehumidification purification system for wet flue gas | |
| CN107970637A (en) | A kind of absorption tower and condensation receipts water dust removal method that water dust pelletizing system is received with condensation | |
| CN209452037U (en) | A kind of phase transformation electric dust removing system | |
| CN111672261A (en) | CO (carbon monoxide)2Device and method for condensation and impurity removal of production tail gas | |
| CN220609719U (en) | Efficient NMP tail gas recovery device | |
| CN207755920U (en) | A kind of kiln exhaust treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |
|
| RJ01 | Rejection of invention patent application after publication |