CN106196043B - For the efficient coal burner lighted a fire and burn of bituminous mixing plant - Google Patents
For the efficient coal burner lighted a fire and burn of bituminous mixing plant Download PDFInfo
- Publication number
- CN106196043B CN106196043B CN201610781798.7A CN201610781798A CN106196043B CN 106196043 B CN106196043 B CN 106196043B CN 201610781798 A CN201610781798 A CN 201610781798A CN 106196043 B CN106196043 B CN 106196043B
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- Prior art keywords
- air
- burning torch
- burner hearth
- fire
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/21—Burners specially adapted for a particular use
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
For the efficient coal burner lighted a fire and burn of bituminous mixing plant, including stent, furnace body, pipe of delivering coal, blower unit and ignition system, blower unit includes air inducing room, frequency conversion fan and air intake passage, air intake passage side is equipped with a fire clay pouring layer, fire clay pouring layer is equipped with circular air inlet mouth and the first burner hearth air duct, pipe of delivering coal is connected in the middle part of fire clay pouring layer, pipe internal sleeve of delivering coal sets up an office firelock air hose, annular passage is installed, air inducing room is additionally provided with the branch's air hose communicated with burning torch air hose between the burning torch air hose and the end for pipe of delivering coal；Ignition system includes burning torch, air accumulator and fuel pipe, burning torch is set on burning torch air hose end, the cylinder of a connection burning torch is additionally provided in the burning torch air hose, diesel oil is housed in air accumulator, the inlet end of the air accumulator is connect with air compressor machine, and the outlet side of air accumulator connects burning torch by fuel pipe.The present invention fully scattered pulverized coal, burning torch can be lighted easily, improve the efficiency of combustion of coal dust.
Description
Technical field
The present invention relates to a kind of coal burner, refer in particular to a kind of light a fire and burning for the efficient of bituminous mixing plant
Coal burner.
Background technology
Burner is one of most important key core component in bituminous mixing plant, and the working performance of burner directly determines
Bituminous mixing plant converted products quality, production capacity and processing cost and the important evaluation of bituminous mixing plant performance quality referred to
Mark.
Existing bituminous mixing plant coal-fired combusting device needs to adjust flame size, the high failure rate of air door, bavin by air door
During oil drop fire, since coal powder ignition point is higher, need that diesel oil is transported to burning torch and is ignited by diesel pump spray to carry out burner hearth
In coal dust, but diesel pump high failure rate can be generated during the use, gear pump is easy to wear, and service life is short etc. asks
Topic, the burning torch ignited easily are burnt out, and traditional burner hearth is a kind of form, easily generates incomplete combustion, coal dust is easily sticked to
It on cloth bag, is attached on aggregate, finished product material quality is caused to decline, cloth bag service life is short, what the coal dust firing in burner hearth left
The residues such as sulfide are liable to stick on burner hearth, need often to clear up, and are generally required when repairing and grasping by largely dismantling
Inspection can just find specific trouble point, delayed the duration of client, caused the direct economic loss of client.
Invention content
Efficient the present invention is provided to bituminous mixing plant is lighted a fire and the coal burner of burning, and main purpose is gram
High failure rate, the service life that diesel pump oil spout is needed when taking existing bituminous mixing plant coal burner diesel ignition and is generated
The problems such as short, burning torch carbon deposit is burnt out and Combustion Efficiency of Coal Powder is not high.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
For the efficient coal burner lighted a fire and burn of bituminous mixing plant, including stent, furnace body, pipe of delivering coal, air inducing
Device and ignition system, the furnace body include shell and burner hearth, and an air inlet cavity is formed between the shell and burner hearth, described
Blower unit includes air inducing room, frequency conversion fan and air intake passage, and the frequency conversion fan is set in air inducing room, and air inducing room is logical with air inlet
Road connects, and the air intake passage side is equipped with a fire clay pouring layer being connect with the burner hearth feed end, fire clay pouring layer
Equipped with the circular air inlet mouth communicated with the air inlet cavity, it is corresponding with the inboard wall of burner hearth which is additionally provided with one
The first burner hearth air duct, one is also associated in the middle part of the fire clay pouring layer and is delivered coal pipe, the fire clay cast of the pipe end of delivering coal
Layer has the flare openings communicated with inboard wall of burner hearth, is arranged some firelock air hoses inside the pipe of delivering coal, the burning torch wind
Manage and deliver coal pipe end between an annular passage is installed, the air inducing room is additionally provided with one and interlinks with the burning torch air hose
The branch's air hose connect；The ignition system includes burning torch, air accumulator and fuel pipe, and the burning torch is set on the burning torch
Air hose end, is additionally provided with the cylinder of the connection burning torch in the burning torch air hose, equipped with diesel oil, the storage in the air accumulator
The air compressor machine of the inlet end of gas tank and bituminous mixing plant connects, and the outlet side of air accumulator is connected to described by the fuel pipe
Burning torch.
Further, equipped with solenoid valve on the fuel pipe, on the fuel pipe between the solenoid valve and air accumulator
Diesel fuel filter is also equipped with, pressure regulator valve is also equipped on the fuel pipe between the solenoid valve and burning torch.
Further, the liquid level gauge for monitoring diesel oil surplus in air accumulator is housed on the air accumulator lateral wall.
Further, the burner hearth includes small hearth and big burner hearth, wherein, the front end of small hearth is poured into a mould with the fire clay
Layer connection, front end of the rear end then with big burner hearth is fixedly connected, between the inner wall of the outer wall of the small hearth end and big burner hearth front end
Equipped with the second burner hearth air duct.
Further, the big burner hearth end connects a taper necking, and the minimum diameter of the taper necking is big more than described
The internal diameter of burner hearth.
Further, it is surround in the first burner hearth air duct and is disposed with a plurality of first burner hearth air duct blades, described second
Around a plurality of second burner hearth air duct blades are disposed in burner hearth air duct, it is surround in the annular passage and is disposed with a plurality of annulars
Air duct blade, the first burner hearth air duct blade, the second burner hearth air duct blade and annular passage blade are with respective central axis
Left-handed 45 ° of settings.
Further, the burning torch air hose end is equipped with an annular backgauge body, and the annular backgauge body is by interior round steel and outside
Round steel forms.
Further, the front end of the burning torch air hose is connected with an observation tube.
Further, the shell is additionally provided with one by a plurality of roller supportings on a support base on the support base
Drive the decelerating motor of the furnace body rotation.
Further, it is flexible coupling between the air intake passage and the furnace body, the stent is equipped with track, the support
Seat and air intake passage bottom are equipped with the traveling wheel moved on the track.
By the above-mentioned description to structure of the present invention it is found that compared to the prior art, the advantageous effect that the present invention generates is:
1st, air inducing room of the present invention is equipped with frequency conversion fan, can save air door regulating mechanism, efficiently adjusts flame size, igniting system
The diesel oil of air accumulator is delivered in burning torch by system by pressure of the bituminous mixing plant equipped with air compressor machine compressed air, burning torch wind
The cylinder of connection burning torch is equipped in pipe, convenient for adjusting the most suitable ignition location of burning torch, air is passed through in burning torch air hose,
The temperature of burning torch outer surface can be reduced, coal dust can also be made fully to burn and convey its flame to the front end of burner hearth, pipe of delivering coal
The fire clay pouring layer of end has the structure of a flare openings, can fully scattered pulverized coal, it is made easily to light, therefore this hair
The bright high failure rate, the service life that overcome coal burner that diesel pump oil spout is needed to light a fire and is generated are short and coal dust firing is imitated
The problems such as rate is not high.
2nd, the axial wind in burning torch air hose cooperates with the rotary wind that annular passage blade is formed, and makes fuel combustion steady
Determine and abundant, while also ensure to enter the flame in drying roller with, with suitable temperature, being carried during the progress heat exchange of cold aggregate
The combustion utilization efficiency of high fuel.
3rd, burner hearth includes small hearth and big burner hearth, and the incomplete coal dust of port chamber inner combustion can be made to enter in big burner hearth again
It is fully burned, further improves the efficiency of combustion of coal dust.
4th, it is surround in the first burner hearth air duct, the second burner hearth air duct and annular passage and is disposed with air duct blade, and air duct
Blade is with the left-handed 45 ° of settings of respective central axis so that air-flow is curled up into the air-flow formation inside small hearth, big burner hearth,
Pulverized coal flame is maintained to move the stability of burning in the axial direction.
5th, big burner hearth end connects a taper necking, and the minimum diameter of the taper necking is more than the internal diameter of big burner hearth, taper
Necking does not need to cast fire clay or refractory brick, can prevent flame spread, residue is easily blown out, and taper necking is not easy to burn
It is bad.
6th, furnace body rotation can be heated evenly it, and residue is not easy to be attached on inboard wall of burner hearth.
7th, burning torch air hose end is equipped with an annular backgauge body, coal dust can be prevented to be attached on the fire rod of burning torch and lead
Burning torch is caused to be not easy to light, can also make coal dust fully dispersed, it is made easily to burn.
8th, air intake passage and furnace body are flexible coupling, and detachable to detach, air intake passage bottom is additionally provided with traveling wheel, inspection easy to remove
It repaiies.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the flow schematic diagram of coal dust of the present invention and air-flow.
Fig. 3 is the enlarged diagram of A in Fig. 2.
Specific embodiment
Illustrate the specific embodiment of the present invention with reference to the accompanying drawings.In order to fully understand the present invention, it is described below and is permitted
More details, but to those skilled in the art, the present invention can be also realized without these details.For well known component, side
Method and process, are not described in detail below.
For the efficient coal burner lighted a fire and burn of bituminous mixing plant, referring to Figures 1 and 2, including stent 1, stove
Body 10, pipe 20 of delivering coal, blower unit 30 and ignition system 40, furnace body include shell 11 and burner hearth 12, shell 11 and burner hearth 12
Between form an air inlet cavity 13, shell is supported on by a plurality of idler wheels 14 on a support base 2, and support base 2 is set on stent 1
On, the decelerating motor 15 that a driving furnace body rotates is additionally provided on support base 2.
Referring to Figures 1 and 2, above-mentioned blower unit 30 includes air inducing room 31, frequency conversion fan 32 and air intake passage 33, frequency conversion wind
Machine 32 is set in air inducing room 31, and air inducing room 31 is connect with air intake passage 33, is flexible coupling between air intake passage 33 and furnace body 10, stent
1 is equipped with track, and above-mentioned support base 2 and 33 bottom of air intake passage are equipped with the traveling wheel 331 moved in orbit.Air intake passage 33
Side is equipped with a fire clay pouring layer 34 being connect with 12 feed end of burner hearth, and fire clay pouring layer 34 is equipped with entering the wind 13 phase of cavity
Logical circular air inlet mouth 340, the fire clay pouring layer 34 are additionally provided with one and the corresponding first burner hearth air duct 35 of 12 inner wall of burner hearth,
The middle part of fire clay pouring layer 34 is also associated with one and delivers coal pipe 20, and the fire clay pouring layer 34 of 20 end of pipe of delivering coal has one and stove
The flare openings 341 that 12 inner wall of thorax communicates are arranged some firelock air hoses 21 inside pipe 20 of delivering coal, and the burning torch air hose 21 is with sending
One annular passage 22 is installed, the front end of burning torch air hose 21 is connected with an observation tube 23, burning torch between the end of coal pipe 20
21 end of air hose is equipped with an annular backgauge body 24, which is made of interior round steel and outer round steel.Annular backgauge body 24
Coal dust can be prevented to be attached on the fire rod of burning torch and burning torch is caused to be not easy to light, can also make coal dust fully dispersed, make it
Easily burning.Above-mentioned air inducing room 31 is additionally provided with a branch's air hose 36 being connected with burning torch air hose 21.
With reference to Fig. 1, ignition system 40 includes burning torch 41, air accumulator 42 and fuel pipe 43, and burning torch 41 is set on igniting
21 end of rifle air hose, is additionally provided with the cylinder 44 of a connection burning torch 41 in the burning torch air hose 21, equipped with diesel oil in air accumulator 42,
The inlet end of air accumulator 42 and the air compressor machine 3 of bituminous mixing plant connect, and the outlet side of air accumulator 42 is connected by fuel pipe 43
To burning torch 41, the diesel oil in air accumulator 42 is transported on burning torch 41 by the air pressure generated by air compressor machine 3.
With reference to Fig. 1, installed on 42 lateral wall of air accumulator there are one liquid level gauge 421, for monitoring diesel oil in air accumulator 42
Surplus.Whether sprayed on fuel pipe 42 equipped with solenoid valve 422, the solenoid valve 422 for automatically controlling into burning torch 41
Enter diesel oil；Diesel fuel filter 45 is also equipped on fuel pipe 43 between solenoid valve 422 is connected with air accumulator 42, the diesel oil mistake
45 main function of filter is the impurity filtered off in diesel oil, promotes oil quality, reduces device and breaks down rate, increases device and uses
Service life reduces production cost.Solenoid valve 422 be connected with burning torch 41 between fuel pipe 43 on be also equipped with for control enter
The pressure regulator valve 423 of the pressure of middle diesel oil in burning torch 41 can be adjusted by the pressure regulator valve 423 into diesel oil in burning torch 41
Pressure is avoided because excessive or too small into diesel oil in burning torch, and leads to happening for loss of ignition.
With reference to Fig. 2, above-mentioned burner hearth 12 includes small hearth 121 and big burner hearth 122, wherein, the front end of small hearth 121 and fire resisting
Mud pouring layer 34 connects, and front end of the rear end then with big burner hearth 122 is fixedly connected, outer wall and the big burner hearth of 121 end of small hearth
The second burner hearth air duct 16 is equipped between the inner wall of 122 front ends.Big 122 end of burner hearth connects a taper necking 17, the taper necking
17 minimum diameter is more than the internal diameter of big burner hearth 122.Taper necking 17 does not need to cast fire clay or refractory brick, can prevent flame
Diffusion, residue easily blows out, and taper necking not easy burn-out.
It is surround with reference to Fig. 2 and Fig. 3, in above-mentioned first burner hearth air duct 35 and is disposed with a plurality of first burner hearth air duct blades 351,
Around a plurality of second burner hearth air duct blades 161 are disposed in second burner hearth air duct 16, it surround and is disposed with again in annular passage 22
Several annular passage blades 221, the first burner hearth air duct blade 351, the second burner hearth air duct blade 161 and annular passage blade 221
With the left-handed 45 ° of settings of respective central axis so that curl up gas into the air-flow formation inside small hearth 121, big burner hearth 122
Stream maintains pulverized coal flame to move the stability of burning in the axial direction.
In the present invention, the terms such as term " connected ", " connection " should all be interpreted broadly, for example, " connection " can be fixed
It connects or is detachably connected or is integrally connected；" connected " can be directly connected, and can also pass through intermediary
It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be in the present invention
Concrete meaning.
The preferred embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, all utilizations
This design carries out the present invention change of unsubstantiality, should all belong to the behavior for invading the scope of the present invention.
Claims (10)
1. for the efficient coal burner lighted a fire and burn of bituminous mixing plant, including stent, furnace body, pipe of delivering coal, air inducing dress
It puts and ignition system, the furnace body includes shell and burner hearth, an air inlet cavity, feature are formed between the shell and burner hearth
It is：The blower unit includes air inducing room, frequency conversion fan and air intake passage, and the frequency conversion fan is set in air inducing room, air inducing
Room is connect with air intake passage, and the air intake passage side is equipped with a fire clay pouring layer being connect with the burner hearth feed end, resistance to
Chamotte pouring layer is equipped with the circular air inlet mouth communicated with the air inlet cavity, which is additionally provided with one and the burner hearth
The corresponding first burner hearth air duct of inner wall, the fire clay pouring layer middle part are also associated with pipe of delivering coal described in one, pipe end of delivering coal
The fire clay pouring layer at end has the flare openings communicated with inboard wall of burner hearth, and some firelock wind is arranged inside the pipe of delivering coal
Pipe, is equipped with an annular passage, the air inducing room is additionally provided with one and the point between the burning torch air hose and the end for pipe of delivering coal
Branch's air hose that firelock air hose is connected；The ignition system includes burning torch, air accumulator and fuel pipe, the burning torch
The cylinder of the connection burning torch, the air accumulator are additionally provided in the burning torch air hose end, the burning torch air hose
Interior to be connected equipped with diesel oil, the inlet end of the air accumulator and the air compressor machine of bituminous mixing plant, the outlet side of air accumulator passes through the combustion
Oil pipe line is connected to the burning torch.
2. as described in claim 1 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
Equipped with solenoid valve on the fuel pipe, diesel fuel filter is also equipped on the fuel pipe between the solenoid valve and air accumulator,
Pressure regulator valve is also equipped on fuel pipe between the solenoid valve and burning torch.
3. as described in claim 1 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
Liquid level gauge for monitoring diesel oil surplus in air accumulator is housed on the air accumulator lateral wall.
4. as described in claim 1 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
The burner hearth include small hearth and big burner hearth, wherein, the front end of small hearth is connect with the fire clay pouring layer, rear end then with greatly
The front end of burner hearth is fixedly connected, and the second burner hearth air duct is equipped between the inner wall of the outer wall of the small hearth end and big burner hearth front end.
5. as claimed in claim 4 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
The big burner hearth end connects a taper necking, and the minimum diameter of the taper necking is more than the internal diameter of the big burner hearth.
6. as claimed in claim 4 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
Around a plurality of first burner hearth air duct blades are disposed in the first burner hearth air duct, arrangement is surround in the second burner hearth air duct
There are a plurality of second burner hearth air duct blades, surround in the annular passage and be disposed with a plurality of annular passage blades, described first
Burner hearth air duct blade, the second burner hearth air duct blade and annular passage blade are with the left-handed 45 ° of settings of respective central axis.
7. as described in claim 1 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
The burning torch air hose end is equipped with an annular backgauge body, which is made of interior round steel and outer round steel.
8. as described in claim 1 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
The front end of the burning torch air hose is connected with an observation tube.
9. as described in claim 1 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, it is characterised in that：
The shell on a support base, is additionally provided with the driving furnace body rotation by a plurality of roller supportings on the support base
Decelerating motor.
10. as claimed in claim 9 for the efficient coal burner lighted a fire and burn of bituminous mixing plant, feature exists
In：It is flexible coupling between the air intake passage and the furnace body, the stent is equipped with track, the support base and air intake passage bottom
Portion is equipped with the traveling wheel moved on the track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781798.7A CN106196043B (en) | 2016-08-31 | 2016-08-31 | For the efficient coal burner lighted a fire and burn of bituminous mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781798.7A CN106196043B (en) | 2016-08-31 | 2016-08-31 | For the efficient coal burner lighted a fire and burn of bituminous mixing plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106196043A CN106196043A (en) | 2016-12-07 |
| CN106196043B true CN106196043B (en) | 2018-06-29 |
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ID=58087329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610781798.7A Active CN106196043B (en) | 2016-08-31 | 2016-08-31 | For the efficient coal burner lighted a fire and burn of bituminous mixing plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN106196043B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114550B (en) * | 2018-08-27 | 2024-07-26 | 三一汽车制造有限公司 | Combustor, combustion system and asphalt mixing plant |
| CN109114549B (en) * | 2018-08-27 | 2024-07-26 | 三一汽车制造有限公司 | Combustor, combustion system and asphalt mixing plant |
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|---|---|---|---|---|
| EP0139085A1 (en) * | 1983-07-30 | 1985-05-02 | Deutsche Babcock Werke Aktiengesellschaft | Process and burner for the combustion of liquid or gaseous fuels with reduced production of NOx |
| US6790032B1 (en) * | 2003-01-06 | 2004-09-14 | Kuo-Yu Wu | Straight path carbon powder combustion machine |
| CN200968598Y (en) * | 2006-10-25 | 2007-10-31 | 福建南方路面机械有限公司 | Oil/coal dual-purpose combusting device |
| CN203099814U (en) * | 2012-12-18 | 2013-07-31 | 杭州燃油锅炉有限公司 | Pulverized coal burner |
| CN103322556A (en) * | 2013-05-20 | 2013-09-25 | 河南陆德筑机股份有限公司 | Pulverized coal burner |
| CN203628633U (en) * | 2013-12-09 | 2014-06-04 | 郑州市鼎力干燥设备有限公司 | Rotational-flow combustion temperature-preservation-type pulverized coal combustion furnace |
| CN205979756U (en) * | 2016-08-31 | 2017-02-22 | 福建铁拓机械有限公司 | A coal burner that is used for high -efficient of asphalt mixing station to ignite and burning |
-
2016
- 2016-08-31 CN CN201610781798.7A patent/CN106196043B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0139085A1 (en) * | 1983-07-30 | 1985-05-02 | Deutsche Babcock Werke Aktiengesellschaft | Process and burner for the combustion of liquid or gaseous fuels with reduced production of NOx |
| US6790032B1 (en) * | 2003-01-06 | 2004-09-14 | Kuo-Yu Wu | Straight path carbon powder combustion machine |
| CN200968598Y (en) * | 2006-10-25 | 2007-10-31 | 福建南方路面机械有限公司 | Oil/coal dual-purpose combusting device |
| CN203099814U (en) * | 2012-12-18 | 2013-07-31 | 杭州燃油锅炉有限公司 | Pulverized coal burner |
| CN103322556A (en) * | 2013-05-20 | 2013-09-25 | 河南陆德筑机股份有限公司 | Pulverized coal burner |
| CN203628633U (en) * | 2013-12-09 | 2014-06-04 | 郑州市鼎力干燥设备有限公司 | Rotational-flow combustion temperature-preservation-type pulverized coal combustion furnace |
| CN205979756U (en) * | 2016-08-31 | 2017-02-22 | 福建铁拓机械有限公司 | A coal burner that is used for high -efficient of asphalt mixing station to ignite and burning |
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| Publication number | Publication date |
|---|---|
| CN106196043A (en) | 2016-12-07 |
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Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Patentee after: Fujian tietuo Machinery Co., Ltd Address before: 362000 Tong Xi industrial zone, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN TIETUO MACHINERY Co.,Ltd. |
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