CN102518021B - Waste gas treatment apparatus and asphalt mixture heat regeneration equipment - Google Patents
Waste gas treatment apparatus and asphalt mixture heat regeneration equipment Download PDFInfo
- Publication number
- CN102518021B CN102518021B CN201110430229.5A CN201110430229A CN102518021B CN 102518021 B CN102518021 B CN 102518021B CN 201110430229 A CN201110430229 A CN 201110430229A CN 102518021 B CN102518021 B CN 102518021B
- Authority
- CN
- China
- Prior art keywords
- burner
- waste gas
- inner liner
- burner inner
- distribution circuit
- 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.)
- Active
Links
Classifications
-
- 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
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
Abstract
The invention provides a waste gas treatment apparatus of asphalt mixture heat regeneration equipment. The waste gas treatment apparatus is used for treating asphalt smoke produced in heat regeneration of an old asphalt material and comprises at least one combustor and a waste gas eduction pipeline which is used for educing waste gas with asphalt smoke out from an old asphalt material drying roller; the waste gas treatment apparatus further comprises at least one flame tube and at least one waste gas distribution pipeline, the flame tube matches with the combustor, and the waste gas distribution pipeline conveys waste gas educed by the waste gas eduction pipeline into the flame tube. The invention also provides the asphalt mixture heat regeneration equipment.
Description
Technical field
The present invention relates to a kind of emission-control equipment, particularly a kind of emission-control equipment of drying roller.
Background technology
Asphalt mixture heat regeneration is by damaged old asphalt pavement, through milling, dig, form old asphalt mixture after fragmentation, then carries out thermal regeneration.Last again by certain match ratio, and new pitch, the material such as gather materials stir and form new bituminous mixture.In old asphalt material thermal regeneration process, in the time that asphalt temperature is elevated to a certain degree and contacts with steam, just can produce " distillation " effect, produce a large amount of glance coals, claim again " blue cigarette ".This glance coal contains a kind of carcinogen-BaP.Therefore must handle the discharge of glance coal well.In correlation technique, the old asphalt material waste gas that thermal regeneration produces in cylinder directly enters the dust pelletizing system front end of asphalt mixing plant, enters atmosphere after filtration.Which is simple in structure, but harmful waste gas cannot process, and pitch oil smoke in waste gas easily attaches the filter bag of deduster, affects result of use and the life of bag filter of deduster.
Summary of the invention
The present invention aims to provide a kind of improved asphalt mixture heat regeneration equipment and emission-control equipment.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of emission-control equipment of asphalt mixture heat regeneration equipment is provided, the glance coal producing in thermal regeneration process for the treatment of old asphalt material, it comprises that at least one burner and waste gas draws pipeline, and described waste gas is drawn pipeline for the waste gas with glance coal is drawn from old asphalt material drying roller; This emission-control equipment also comprises at least one burner inner liner and at least one waste gas distribution circuit, described at least one burner inner liner coordinates with described at least one burner, and the waste gas that described at least one waste gas distribution circuit goes out described waste gas fairlead pass is delivered in described at least one burner inner liner.
Preferably, described at least one waste gas distribution circuit and described at least one burner inner liner are arranged tangential.
Preferably, described at least one waste gas distribution circuit comprises regulating element, for regulating the flow of the waste gas that enters described at least one burner inner liner.
Preferably, described at least one burner comprises the first burner, described at least one burner inner liner comprises the first burner inner liner coordinating with described the first burner, and described at least one waste gas distribution circuit comprises the first waste gas distribution circuit being connected with described the first burner inner liner; Described the first burner and the corresponding setting of described old asphalt material drying roller, for providing old asphalt material to heat required high-temperature flue gas to described old asphalt material drying roller; Described the first burner inner liner is arranged between described the first burner and described old asphalt material drying roller.
Preferably, described at least one burner comprises the second burner, described at least one burner inner liner comprises the second burner inner liner coordinating with described the second burner, and described at least one waste gas distribution circuit comprises the second waste gas distribution circuit being connected with described the second burner inner liner; Described the second burner and a corresponding setting of new aggregate drying roller, for providing new aggregate to heat required high-temperature flue gas to described new aggregate drying roller; Described the second burner inner liner is arranged between described the second burner and described new aggregate drying roller.
The present invention also provides a kind of asphalt mixture heat regeneration equipment, comprises emission-control equipment in above-mentioned any one.
The present invention also provides a kind of emission-control equipment, and it comprises that at least one burner and waste gas draws pipeline, and described waste gas is drawn pipeline for waste gas is drawn from a drying roller, and described waste gas comprises fuel gas; This emission-control equipment also comprises at least one burner inner liner and at least one waste gas distribution circuit, described at least one burner inner liner coordinates with described at least one burner, and the waste gas that described at least one waste gas distribution circuit goes out described waste gas fairlead pass is delivered in described at least one burner inner liner.
Preferably, described at least one waste gas distribution circuit and described at least one burner inner liner are arranged tangential.
Preferably, described at least one waste gas distribution circuit comprises regulating element, for regulating the size of flow of the waste gas that enters described at least one burner inner liner.
Preferably, described at least one burner comprises the first burner, described at least one burner inner liner comprises the first burner inner liner coordinating with described the first burner, and described at least one waste gas distribution circuit comprises the first waste gas distribution circuit being connected with described the first burner inner liner; The setting corresponding to described drying roller of described the first burner, for providing heating required high-temperature flue gas to described drying roller; Described the first burner inner liner is arranged between described the first burner and described drying roller.
Preferably, described at least one burner comprises the second burner, described at least one burner inner liner comprises the second burner inner liner coordinating with described the second burner, and described at least one waste gas distribution circuit comprises the second waste gas distribution circuit being connected with described the second burner inner liner; The setting corresponding to another drying roller of described the second burner, for providing heating required high-temperature flue gas to described another drying roller; Described the second burner inner liner is arranged between described the second burner and described another drying roller.
Compared with correlation technique, introduce in the burner inner liner of burner and burn due to the waste gas that can will asphalt mixture heat regeneration equipment produce, can effectively reduce or eliminate the fuel gas such as glance coal in waste gas.
Brief description of the drawings
Fig. 1 is the structural representation of the asphalt mixture heat regeneration equipment in some embodiments of the invention.
Fig. 2 is that the A of the emission-control equipment shown in Fig. 1 is to structural representation.
Fig. 3 is the structural representation that the waste gas shown in Fig. 1 is drawn pipeline.
Detailed description of the invention
Below in conjunction with specific embodiment and Figure of description, the present invention is described in further details.
Fig. 1 shows the asphalt mixture heat regeneration equipment 1 in some embodiment of invention, it can comprise the first drying plant 10 for heating old asphalt material, for heating the second drying plant 20 of new aggregate and being delivered to together with exhaust-carrying device 30, the first drying plants 10 that presumptive area processes can be arranged side by side in certain embodiments with the second drying plant 20 for the glance coal that old asphalt material is produced in thermal regeneration process.
The first drying plant 10 can comprise the first drying roller 11, the first burner 13 and the first burner inner liner 15 in certain embodiments.The first burner 13 correspondences are arranged at the head of the first drying roller 11, and for providing old asphalt material to heat required high-temperature flue gas to the first drying roller 11, the temperature of this high-temperature flue gas in certain embodiments can be 500 DEG C of left and right.The first burner inner liner 15 is arranged between the first drying roller 11 and the first burner 13, leads in described the first drying roller 11 in order to the flame that the first burner 13 is produced.
The second drying plant 20 can comprise the second drying roller 21, the second burner 23 and the second burner inner liner 25 in certain embodiments.The second burner 23 correspondences are arranged at the head of the second drying roller 21, and for providing new aggregate to heat required high-temperature flue gas to the second drying roller 21, the temperature of this high-temperature flue gas in certain embodiments can be 1300 DEG C of left and right.The second burner inner liner 25 is arranged between the second drying roller 21 and the second burner 23, leads in described the first drying roller 21 in order to the flame that the second burner 23 is produced.
Exhaust-carrying device 30 can comprise that waste gas draws pipeline 31, the first waste gas distribution circuit 33 and the second waste gas distribution circuit 35 in certain embodiments, and waste gas is drawn pipeline 31 for the waste gas of the first drying roller 11 is drawn; The first waste gas distribution circuit 33 and the second waste gas distribution circuit 35 are drawn pipeline 31 with waste gas and are connected, be delivered to respectively the first burner inner liner 15 and the second burner inner liner 25 for waste gas being drawn to the waste gas that pipeline 31 draws, allow the glance coal in waste gas burn in the first burner inner liner 15 and the second burner inner liner 25, thereby eliminate or reduce the discharge of waste gas medium pitch cigarette.So, exhaust-carrying device 30 and first, second burner 13,23, and emission-control equipment of first, second burner inner liner 15,25 one formations.Understandably, in certain embodiments, also can draw pipeline 31 and draw from waste gas one or more waste gas distribution circuit, waste gas is delivered in one or more burner inner liner and burn.
Together consult again Fig. 2, the first waste gas distribution circuit 33 and the second waste gas distribution circuit 35 also can be arranged tangential with the first burner inner liner 15 and the second burner inner liner 25 respectively in certain embodiments, so that waste gas enters the first burner inner liner 15 and the tangential vortex gas-flow of the rear formation of the second burner inner liner 25, make mixing of flame that waste gas produces with the first burner 13 and the second burner 23 more even, thereby make the glance coal in waste gas be burnt more fully.
In certain embodiments, in the first waste gas distribution circuit 33 and the second waste gas distribution circuit 35, also can be respectively arranged with the first regulating element 330 and the second regulating element 350, be used for respectively according to the flame intensity of the first burner 13 and the second burner 23, adjusting enters the exhaust gas flow of the first burner inner liner 15 and the second burner inner liner 25, makes flame intensity and exhaust gas flow suitable.For example, in the time that the flame intensity in the second burner inner liner 25 is higher than the flame intensity in the first burner inner liner 15, exhaust gas flow in the second waste gas distribution circuit 35 can be tuned up, correspondingly, exhaust gas flow in the first waste gas distribution circuit 33 is turned down, thereby the flame of the second burner inner liner 25 is fully utilized, and there is not the inadequate problem of burning in waste gas in the first burner inner liner 15, so, can improve significantly the exhaust-gas treatment efficiency of whole emission-control equipment.
As shown in Figure 3, waste gas is drawn pipeline 31 and can be comprised in certain embodiments bend pipe 310, the straight tube 312 being connected with bend pipe 310 on the smoke box that is connected in the first drying roller 11 afterbodys and be installed on the air-introduced machine 314 on straight tube 312, straight tube 312, between the first drying plant 10 and the second drying plant 20, and extends to nearby adjacent with the first burner inner liner 15 and the second burner inner liner 25 by bend pipe 310 to head.The first waste gas distribution circuit 33 and the second waste gas distribution circuit 35 are connected in the end of straight tube 312, form a T tube road together with straight tube 312.When air-introduced machine 314 starts, draw waste gas by bend pipe 310 from the first drying roller 11, waste gas is delivered to the first waste gas distribution circuit 33 and the second waste gas distribution circuit 35 of head through straight tube 312.
When asphalt mixture heat regeneration equipment 1 is worked, in the first drying roller 11, load the asphalt material of haveing been friends in the past, the first burner 13 heats old asphalt material to sending into high-temperature flue gas in the first drying roller 11, in the time that the asphalt temperature in old asphalt material is elevated to a certain degree and contacts with steam, because " distillation " effect produces glance coal.Glance coal is drawn pipeline 31 with waste gas by waste gas and is drawn, and then, is transported in the first burner inner liner 15 and the second burner inner liner 25 and burns, and so, can effectively reduce or eliminate the glance coal in waste gas, reaches effect of energy-conservation and environmental protection.
Understandably, above-mentioned emission-control equipment is not limited to and is applied in asphalt mixture heat regeneration equipment 1, and the equipment of the waste gas that other generations comprise fuel gas is all applicable.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the emission-control equipment of an asphalt mixture heat regeneration equipment, the glance coal producing in thermal regeneration process for the treatment of old asphalt material, it comprises that at least one burner and waste gas draws pipeline, described waste gas is drawn pipeline for the waste gas with glance coal is drawn from old asphalt material drying roller, it is characterized in that, also comprise at least one burner inner liner and at least one waste gas distribution circuit, described at least one burner inner liner coordinates with described at least one burner, the waste gas that described at least one waste gas distribution circuit goes out described waste gas fairlead pass is delivered in described at least one burner inner liner, and described at least one waste gas distribution circuit and described at least one burner inner liner are arranged tangential, described at least one burner comprises the first burner, described at least one burner inner liner comprises the first burner inner liner coordinating with described the first burner, described at least one waste gas distribution circuit comprises the first waste gas distribution circuit being connected with described the first burner inner liner, described the first burner and the corresponding setting of described old asphalt material drying roller, for providing old asphalt material to heat required high-temperature flue gas to described old asphalt material drying roller, described the first burner inner liner is arranged between described the first burner and described old asphalt material drying roller, described at least one burner comprises the second burner, described at least one burner inner liner comprises the second burner inner liner coordinating with described the second burner, and described at least one waste gas distribution circuit comprises the second waste gas distribution circuit being connected with described the second burner inner liner, described the second burner and a corresponding setting of new aggregate drying roller, for providing new aggregate to heat required high-temperature flue gas to described new aggregate drying roller, described the second burner inner liner is arranged between described the second burner and described new aggregate drying roller.
2. emission-control equipment according to claim 1, is characterized in that, described at least one waste gas distribution circuit comprises regulating element, for regulating the flow of the waste gas that enters described at least one burner inner liner.
3. emission-control equipment according to claim 1, is characterized in that, described at least one waste gas distribution circuit comprises regulating element, for regulating the flow of the waste gas that enters described at least one burner inner liner.
4. an asphalt mixture heat regeneration equipment, is characterized in that, comprises emission-control equipment described in claim 1-3 any one.
5. an emission-control equipment, it comprises that at least one burner and waste gas draws pipeline, described waste gas is drawn pipeline for waste gas is drawn from a drying roller, described waste gas comprises fuel gas, it is characterized in that, also comprise at least one burner inner liner and at least one waste gas distribution circuit, described at least one burner inner liner coordinates with described at least one burner, the waste gas that described at least one waste gas distribution circuit goes out described waste gas fairlead pass is delivered in described at least one burner inner liner, and described at least one waste gas distribution circuit and described at least one burner inner liner are arranged tangential, described at least one burner comprises the first burner, described at least one burner inner liner comprises the first burner inner liner coordinating with described the first burner respectively, and described at least one waste gas distribution circuit comprises the first waste gas distribution circuit being connected with described the first burner inner liner respectively, the setting corresponding to described drying roller of described the first burner, for providing heating required high-temperature flue gas to described drying roller, described the first burner inner liner is arranged between described the first burner and described drying roller, described at least one burner comprises the second burner, described at least one burner inner liner comprises the second burner inner liner coordinating with described the second burner respectively, and described at least one waste gas distribution circuit comprises the second waste gas distribution circuit being connected with described the second burner inner liner respectively, the setting corresponding to another drying roller of described the second burner, for providing heating required high-temperature flue gas to described another drying roller, described the second burner inner liner is arranged between described the second burner and described another drying roller.
6. emission-control equipment according to claim 5, is characterized in that, described at least one waste gas distribution circuit comprises regulating element, for regulating the size of flow of the waste gas that enters described at least one burner inner liner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430229.5A CN102518021B (en) | 2011-12-20 | 2011-12-20 | Waste gas treatment apparatus and asphalt mixture heat regeneration equipment |
| PCT/CN2012/082116 WO2013091423A1 (en) | 2011-12-20 | 2012-09-27 | Waste gas treatment apparatus and asphalt mixture thermal regeneration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430229.5A CN102518021B (en) | 2011-12-20 | 2011-12-20 | Waste gas treatment apparatus and asphalt mixture heat regeneration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518021A CN102518021A (en) | 2012-06-27 |
| CN102518021B true CN102518021B (en) | 2014-11-26 |
Family
ID=46289065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110430229.5A Active CN102518021B (en) | 2011-12-20 | 2011-12-20 | Waste gas treatment apparatus and asphalt mixture heat regeneration equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102518021B (en) |
| WO (1) | WO2013091423A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518021B (en) * | 2011-12-20 | 2014-11-26 | 中联重科股份有限公司 | Waste gas treatment apparatus and asphalt mixture heat regeneration equipment |
| CN105040555A (en) * | 2015-07-02 | 2015-11-11 | 福建南方路面机械有限公司 | Asphalt regeneration roller and method for preventing materials from being stuck on roller inner wall |
| CN105910118A (en) * | 2016-06-12 | 2016-08-31 | 福建南方路面机械有限公司 | Asphalt thermal regeneration flue gas treatment system and method |
| CN109539286B (en) * | 2018-12-26 | 2024-03-19 | 中冶焦耐(大连)工程技术有限公司 | Purifying treatment process for asphalt smoke in modified asphalt production process |
| CN109621570A (en) * | 2019-01-24 | 2019-04-16 | 福建铁拓机械有限公司 | A kind of asphalt mixture heat regeneration exhaust gas processing device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3147903B2 (en) * | 1993-03-16 | 2001-03-19 | アメリカ合衆国 | Mucosal competitive exclusion flora |
| CN2709502Y (en) * | 2004-01-15 | 2005-07-13 | 凌杰 | Processing device of bitulith regenerated material |
| JP2010090644A (en) * | 2008-10-10 | 2010-04-22 | Nikko Co Ltd | Dryer for regenerating asphalt pavement waste material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035844U (en) * | 1988-07-13 | 1989-04-12 | 交通部公路科学研究所 | Pulverulent-coal burner for agitating bitumen-mixed material |
| JPH0259913A (en) * | 1988-08-26 | 1990-02-28 | Iseki & Co Ltd | Traveling pedal for tractor or the like |
| JPH07103532B2 (en) * | 1989-11-01 | 1995-11-08 | 日工株式会社 | Asphalt plant dryer |
| JPH0959913A (en) * | 1995-08-21 | 1997-03-04 | Nikko Co Ltd | Asphalt-containing material manufacturing equipment |
| JP3909126B2 (en) * | 1997-09-02 | 2007-04-25 | 日工株式会社 | Asphalt compound production equipment |
| CN102518021B (en) * | 2011-12-20 | 2014-11-26 | 中联重科股份有限公司 | Waste gas treatment apparatus and asphalt mixture heat regeneration equipment |
-
2011
- 2011-12-20 CN CN201110430229.5A patent/CN102518021B/en active Active
-
2012
- 2012-09-27 WO PCT/CN2012/082116 patent/WO2013091423A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3147903B2 (en) * | 1993-03-16 | 2001-03-19 | アメリカ合衆国 | Mucosal competitive exclusion flora |
| CN2709502Y (en) * | 2004-01-15 | 2005-07-13 | 凌杰 | Processing device of bitulith regenerated material |
| JP2010090644A (en) * | 2008-10-10 | 2010-04-22 | Nikko Co Ltd | Dryer for regenerating asphalt pavement waste material |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013091423A1 (en) | 2013-06-27 |
| CN102518021A (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518021B (en) | Waste gas treatment apparatus and asphalt mixture heat regeneration equipment | |
| CN104141952B (en) | Extremely low concentration coal mine gas combustion device and method | |
| CN107289444B (en) | A kind of ultralow volatile matter carbon-based fuel and the low NOx of lignite mix the system and method for burning | |
| CN104075332B (en) | For improving the system and method for yellow phosphoric tail gas comprehensive utilization ratio | |
| CN105217916A (en) | A kind of innoxious sludge carbonization treatment process and process system thereof | |
| CN106855243B (en) | Integrated combustion device energy-saving system | |
| CN205295875U (en) | Hot regeneration facility of bituminous mixture | |
| CN109621570A (en) | A kind of asphalt mixture heat regeneration exhaust gas processing device and method | |
| CN102518020A (en) | Hot recycling equipment and burner for asphalt mixture | |
| CN204041138U (en) | A kind of IGCC Poly-generation periodic off-gases recycling system | |
| CN105627336A (en) | Treatment device for pitch smoke | |
| CN107687639A (en) | Energy-saving waste combustion waste-heat recovery device | |
| CN209490591U (en) | A kind of asphalt mixture heat regeneration exhaust gas processing device | |
| KR101613968B1 (en) | steam generating system having ultra high temperature sludge drying apparatus | |
| CN205065746U (en) | Heat accumulation formula waste gas burns device | |
| JP4993585B2 (en) | Cement clinker firing method and cement clinker firing device | |
| CN107490296A (en) | A kind of method and device that hot wind ignition is carried out using high-temperature waste flue gas | |
| CN210287243U (en) | Pulverized coal furnace of power plant | |
| JPS63503240A (en) | Method and apparatus for reducing nitrogen oxide emissions during solid fuel combustion | |
| CN204829834U (en) | A utilize device that is arranged in methanol production from coal steam and tail gas | |
| CN204574838U (en) | A kind of baking flue gas tar controlling device | |
| CN103292317A (en) | Small-and-medium-size industrial boiler capable of replacing coal powder and oil gas | |
| CN107435943A (en) | A kind of combustion control device and its method for controlling combustion of high-efficiency pulverized coal boiler | |
| CN100578087C (en) | Chemical industry device emptying tail gas process heat-recovering system | |
| CN205619348U (en) | Asphalt smoke treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |