CN105135427B - Pulverized coal combustion system - Google Patents
Pulverized coal combustion system Download PDFInfo
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- CN105135427B CN105135427B CN201510554494.2A CN201510554494A CN105135427B CN 105135427 B CN105135427 B CN 105135427B CN 201510554494 A CN201510554494 A CN 201510554494A CN 105135427 B CN105135427 B CN 105135427B
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- air
- coal dust
- barrel
- combustion system
- feed pipe
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Abstract
The invention discloses pulverized coal combustion system, feeding screw and air blast charging line including coal dust material box, the discharging opening bottom for being arranged at coal dust material box, air blast charging line is arranged at the bottom of feeding screw and connects the discharge gate of feeding screw, air blast charging line connects the feed pipe of burner, held in coal dust material box and be mixed with calcium oxide, described burner includes entry mixers, central air hose, inlet shell, stabilizer and igniter.The beneficial effects of the invention are as follows：Make the burning of coal dust close to or up preferable state, coal dust and air can be made sufficiently to mix, make coal dust firing more stable more complete；Environmental protection, energy-conservation, efficient, simple in construction, achievable in-furnace desulfurization, denitration, it is adaptable to the boiler plant such as Industrial Boiler, Industrial Stoves and hot-blast stove.
Description
Technical field
The present invention relates to burner structure technical field, particularly a kind of pulverized coal combustion system.
Background technology
Burner is the core component of combusting coal fines boiler, and the performance of coal powder fired boiler burner can directly affect the heat of boiler
Efficiency and environment protection emission.Coal-burning boiler is widely used, and its combustion system has two kinds, one kind is coal cinder layer combustion, another
It is coal dust suspension combustion to plant, and from the point of view of Theory of Combustion angle, coal dust suspension combustion is preferred compared with coal cinder layer combustion.It has burning
Fully, burning velocity is fast, the advantages of flame kernel temperature is high.According to the policy of the energy-saving and emission-reduction of Theory of Combustion and China, design
The pulverized coal combustion system of new environmental protection and energy saving is necessary.Pulverized coal combustion, development is generating plant pulverized coal boiler earlier, it
Burner have five kinds of forms, single scroll casing type turbulent burner, double volute formula turbulent burner, axial blade formula swirl flow combustion
Device, tangential vane formula turbulent burner and DC burner.Several burners have respective in actual use above
Advantage and disadvantage, are extremely difficult to preferable fired state and environmental emission standard.
The content of the invention
It is an object of the invention to overcome the shortcoming of prior art there is provided one kind to make coal dust and air sufficiently mix, allow
Coal dust firing more stable more complete, environmental protection, energy-conservation, efficient pulverized coal combustion system.
The purpose of the present invention is achieved through the following technical solutions：Pulverized coal combustion system, including coal dust material box, be arranged at
The feeding screw and air blast charging line of the discharging opening bottom of coal dust material box, air blast charging line are arranged at feeding screw
Bottom and connect the discharge gate of feeding screw, air blast charging line is connected in the feed pipe of burner, coal dust material box and contained
Put and be mixed with calcium oxide, described burner includes entry mixers, central air hose, inlet shell, stabilizer and igniter, institute
The entry mixers stated include barrel-type casing, feed pipe and discharge nozzle, and barrel-type casing includes cylindrical sidewall and two capping tubulars
The axial end of side wall both ends open, discharge nozzle is disposed therein on an axial end, and feed pipe is arranged on cylindrical sidewall,
And feed pipe and cylindrical sidewall are tangent, leading perpendicular to axial end is provided with the connecting portion of feed pipe and cylindrical sidewall
Plate is flowed, deflector one end is located at feed pipe and connected in the part of cylindrical sidewall, and the other end of deflector is extended in barrel-type casing
Portion, deflector will be divided into two mutually isolated subchannels inside the inner passage of the feed pipe residing for it and barrel-type casing,
Described deflector is made up of the flat plate section being located in feed pipe and the arc section in barrel-type casing being sequentially connected.It is excellent
Choosing, the axial line of arc section is overlapped with the axial line of the cylindrical sidewall on the outside of arc section；Entered by feed pipe
The air-flow for carrying coal dust and calcium oxide shunted through deflector respectively along barrel-type casing inwall and deflector in two subchannels
Flowing, and mixing of confluxing on rear side of deflector, and it is final discharge mixing arrangement from discharge nozzle, mixed compared to one inlet, eddy flow is strong
Degree is big, and mixture homogeneity is high.
Described inlet shell is included along coal dust conveying pipeline, primary air piping and the secondary air channel set gradually from inside to outside,
It is additionally provided with inlet shell in the blast pipe perpendicular to secondary air channel and primary air piping, blast pipe and is provided with dividing plate, dividing plate will
The secondary air passage and an air intake passage for connecting primary air piping of connection secondary air channel are separated into inside blast pipe, coal dust is defeated
The rear end of expects pipe connects the discharge nozzle of entry mixers, and the rear end of secondary air channel is sealed by the side wall of inlet shell, First air
The rear end of pipe is had before tubaeform air outlet, secondary air channel and coal dust conveying pipeline by bulkhead seal, the front end of a blast pipe
End connect tubaeform air outlet, between coal dust conveying pipeline and primary air piping formed First air air-inlet cavity, secondary air channel with once
First air air-inlet cavity is formed between airduct.
Central air hose is penetrated and after the discharge nozzle of entry mixers is passed from the axial end of one of entry mixers
The front end of coal dust conveying pipeline is extended to, stabilizer is installed on the front end of central air hose, the back-end sealing of central air hose, center
Air inlet is provided with the side wall of airduct rear end, igniter is penetrated from the rear end of central air hose, and is extended to inside stabilizer.
Described stabilizer is included along the conically shaped and cylindrical tube that direction is sequentially coaxially set from front to back, described cone
Shape cylinder is gradually reduced along vertical direction internal diameter, and the outer cover of conically shaped front end is provided with annular endplate, the front end of conically shaped
It is connected, is circumferentially evenly arranged with along taper on the barrel of described conically shaped with annular endplate by circumferential uniform connecting pole
Strip gab is constituted in the extension of cylinder bus and the strip gab for running through barrel, said structure enters in conically shaped outside conically shaped
The passage A in portion, annular endplate, taper drum outer wall and connecting pole, which are constituted, reaches the anterior passage B of conically shaped.Such structure makes
Dense powder, the separation of light powder are obtained, wherein the small, inertia of light powder radial load effect is small, is spun out in outside, passes through passage B and reaches taper
Cylinder is anterior, and dense powder is because radial load effect is big, inertia is big, and the passage A that can be formed by strip gab is reached inside conically shaped.
And the utility model structure is easy to the regulation length of flame, diameter.
The outside of cylindrical tube of the front end sleeve of central air hose loaded on stabilizer, so as to be formed between central air hose and stabilizer
Grafting mounting structure, easy disassembly, the front end of igniter is located at the connecting portion of cylindrical tube and divergent-cone wall, ignition tip
Leading section is fixedly connected by connecting plate with cylindrical tube inwall.
It is preferred that, described central air hose is coaxially disposed with discharge nozzle.
It is preferred that, the internal diameter edge of described discharge nozzle gradually increases from discharge nozzle to barrel-type casing direction, so as to be conducive to
Improve the flow velocity of air-flow.
It is preferred that, the leading section of described discharge nozzle is provided with adpting flange, and the rearward end of coal dust conveying pipeline is provided with company
Acting flange, the leading section of discharge nozzle is fixedly connected with the rearward end of coal dust conveying pipeline by flange and connecting bolt.
It is preferred that, high-pressure atomization shower nozzle is provided with described blast pipe, for spraying denitrfying agent (such as ammonia into burner
Water, urea water etc.).
It is preferred that, the outside of the coal dust conveying pipeline in a described air intake passage is rotatably installed with mixed organization.
It is preferred that, circumferentially it is evenly arranged with and radially extends, for even between described primary air piping and secondary air channel
Connect the connecting plate of primary air piping and secondary air channel.
It is preferred that, the external diameter of stabilizer is less than the internal diameter of secondary air channel, the front end face of stabilizer and the secondary front end being in charge of
Face is respectively positioned at the minimum diameter position of tubaeform air outlet.
The present invention has advantages below：
The burning that the present invention originally makes coal dust can be such that coal dust and air sufficiently mixes, allow close to or up preferable state
Coal dust firing is more stable more complete.Adjusted by double air quantity and swirl strength regulation control recirculating zone stabilization, so can be with
Be conducive to the generation of NO reducing agents in the case of flue gas oxygen content is rational, and devise catalysis restoring function, these reduction
The NO that agent can surround combustion zone oxidation generation makes it be reduced into N2, so as to reduce NOx discharge.As shown by data passes through adjustment
The reasonable wind distribution of this burner, forms fractional combustion, and NOx concentration can be reduced to 200mg/m3Hereinafter, discharge standard is met.This
Burner has spout blockage ratio adjustable function, is applicable to the best combustion of Coal rank, while the after-flame to improving coal dust
Degree serves key effect.
Environmental protection, energy-conservation, efficiently, it is simple in construction, can be achieved in-furnace desulfurization, denitration, it is adaptable to Industrial Boiler, Industrial Stoves and
The boiler plants such as hot-blast stove.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of the burner of the present invention
Fig. 3 is the cross section structure diagram of the burner of the present invention；
Fig. 4 is sectional views of the Fig. 2 along Section A-A；
Fig. 5 is sectional views of the Fig. 2 along section B-B
Fig. 6 is sectional views of the Fig. 2 along C-C sections
Fig. 7 is the structure chart of stabilizer.
In figure, 1- entry mixers, 2- central air hoses, 3- inlet shells, 4- stabilizers, 5- barrel-type casings, 6- feed pipes,
7- discharge nozzles, 8- deflectors, 9- coal dust conveying pipelines, 10- secondary air channels, 11- primary air pipings, 12- blast pipes, 13- dividing plates, 14-
Igniter, 15- conically shapeds, 16- cylindrical tubes, 17- annular endplates, 18- connecting poles, 19- strip gabs, 20- coal dust material boxes,
21- feeding screws, 22- air blast charging lines.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, pulverized coal combustion system, including coal dust material box 20, it is arranged under the discharging opening of coal dust material box 20
The feeding screw 21 and air blast charging line 22 in portion, air blast charging line 22 are arranged at the bottom of feeding screw 21 and connection
The discharge gate of feeding screw 21, air blast charging line 22 connects in the feed pipe 6 of burner, coal dust material box 20 and holds mixing
There is calcium oxide, as shown in Figure 2 and Figure 3, described burner includes entry mixers 1, central air hose 2, inlet shell 3, stabilizer
4 and igniter 14.As shown in Fig. 2, Fig. 3, Fig. 6, described entry mixers 1 include barrel-type casing 5, feed pipe 6 and discharge nozzle
7, barrel-type casing 5 includes the axial end of cylindrical sidewall and two capping cylindrical sidewall both ends opens, and discharge nozzle 7 is disposed therein
On one axial end, feed pipe 6 is arranged on cylindrical sidewall, and feed pipe 6 and cylindrical sidewall are tangent, feed pipe 6 and tubular
A deflector 8 perpendicular to axial end is provided with the connecting portion of side wall, the one end of deflector 8 is located at the connecting cylinder of feed pipe 6
In the part of shape side wall, the other end of deflector 8 is extended to inside barrel-type casing 5, and deflector 8 is by the feed pipe 6 residing for it
It is divided into two mutually isolated subchannels inside inner passage and barrel-type casing 5, described deflector 8 is by the position that is sequentially connected
Constituted in the flat plate section in feed pipe 6 and the section of the arc in barrel-type casing 5.It is preferred that, arc section axial line with
The axial line of cylindrical sidewall on the outside of arc section is overlapped；The gas for carrying coal dust and calcium oxide entered by feed pipe 6
Flow through deflector 8 and shunt and flowed respectively along the inwall of barrel-type casing 5 and deflector 8 in two subchannels, and in the rear side of deflector 8
Conflux mixing, and it is final discharge mixing arrangement from discharge nozzle 7, compared to one inlet mixing, swirl strength is big, and mixture homogeneity is high.
As shown in Fig. 3, Fig. 4, Fig. 5, described inlet shell 3 include along the coal dust conveying pipeline 9 set gradually from inside to outside,
The air intake perpendicular to secondary air channel 10 and primary air piping 11 is additionally provided with primary air piping 11 and secondary air channel 10, inlet shell 3
Be provided with dividing plate 13 in pipe 12, blast pipe 12, dividing plate 13 by be separated into inside blast pipe 12 connection secondary air channel 10 it is secondary enter
Wind passage and an air intake passage for connecting primary air piping 11, the rear end of coal dust conveying pipeline 9 connect the discharge nozzle of entry mixers 1
7, the rear end of secondary air channel 10 is sealed by the side wall of inlet shell 3, and the rear end of primary air piping 11 is sealed by dividing plate 13, once entered
The front end of airduct 12 has tubaeform air outlet, and secondary air channel 10 connects tubaeform air outlet with the front end of coal dust conveying pipeline 9,
First air air-inlet cavity is formed between coal dust conveying pipeline 9 and primary air piping 11, one is formed between secondary air channel 10 and primary air piping 11
Secondary wind air-inlet cavity.
As shown in Figure 2 and Figure 3, central air hose 2 is penetrated from the axial end of one of entry mixers 1 and mixed from charging
The discharge nozzle 7 of device 1 extends to the front end of coal dust conveying pipeline 9 after passing, stabilizer 4 is installed on the front end of central air hose 2, in
It is provided with air inlet on the back-end sealing of heart airduct 2, the side wall of the rear end of central air hose 2, igniter 14 is from the rear end of central air hose 2
Penetrate, and extend to inside stabilizer 4.
As shown in Fig. 3, Fig. 7, described stabilizer 4 is included along the He of conically shaped 15 that direction is sequentially coaxially set from front to back
Cylindrical tube 16, described conically shaped 15 is gradually reduced along vertical direction internal diameter, and the outside of the front end of conically shaped 15 is arranged
There is annular endplate 17, the front end of conically shaped 15 is connected by circumferential uniform connecting pole 18 with annular endplate 17, described taper
Circumferentially it is evenly arranged with and extend along the bus of conically shaped 15 and through the strip gab 19 of barrel, said structure on the barrel of cylinder 15
Middle strip gab 19 constitutes the passage A entered from the outside of conically shaped 15 inside conically shaped 15, annular endplate 17, the outer wall of conically shaped 15
Constituted with connecting pole 18 and reach the anterior passage B of conically shaped 15.Such structure causes dense powder, the separation of light powder, wherein light powder
The small, inertia of radial load effect is small, spins out in outside, reaches the front portion of conically shaped 15 by passage B, dense powder is due to radial direction masterpiece
Big with big, inertia, the passage A that can be formed by strip gab 19 is reached inside conically shaped 15.And the utility model structure
It is easy to the regulation length of flame, diameter.
The outside of cylindrical tube 16 of the front end sleeve of central air hose 2 loaded on stabilizer 4, so that between central air hose and stabilizer
Grafting mounting structure, easy disassembly are formed, the front end of igniter 14 is located at the connection of the body of cylindrical tube 16 and the body of conical tube 15
Portion, the leading section of ignition tip is fixedly connected by connecting plate with the inwall of cylindrical tube 16.
It is preferred that, described central air hose 2 is coaxially disposed with discharge nozzle 7.
It is preferred that, the internal diameter edge of described discharge nozzle 7 gradually increases from discharge nozzle 7 to the direction of barrel-type casing 5, so that favorably
In the flow velocity for improving air-flow.
It is preferred that, the leading section of described discharge nozzle 7 is provided with adpting flange, and the rearward end of coal dust conveying pipeline 9 is provided with
Adpting flange, the leading section of discharge nozzle 7 is fixedly connected with the rearward end of coal dust conveying pipeline 9 by flange and connecting bolt.
It is preferred that, high-pressure atomization shower nozzle is provided with described blast pipe 12, for spraying denitrfying agent, such as ammonia into burner
Water, urea water etc..
It is preferred that, the outside of the coal dust conveying pipeline 9 in a described air intake passage is rotatably installed with mixed organization.
It is preferred that, circumferentially it is evenly arranged between described primary air piping 11 and secondary air channel 10 and radially extends, uses
In the connecting plate of connection primary air piping 11 and secondary air channel 10.
It is preferred that, the external diameter of stabilizer 4 is less than the internal diameter of secondary air channel 10, and the front end face of stabilizer 4 is in charge of with secondary
Front end face is respectively positioned at the minimum diameter position of tubaeform air outlet.
Claims (8)
1. pulverized coal combustion system, it is characterised in that：Including coal dust material box (20), it is arranged at the discharging openings of coal dust material box (20)
The feeding screw (21) and air blast charging line (22) of bottom, air blast charging line (22) are arranged at feeding screw (21)
Bottom and the discharge gate for connecting feeding screw (21), air blast charging line (22) connect the feed pipe (6) of burner, and coal dust is former
Held in hopper (20) and be mixed with calcium oxide, described burner includes entry mixers (1), central air hose (2), inlet shell
(3), stabilizer (4) and igniter (14),
Described entry mixers (1) include barrel-type casing (5), feed pipe (6) and discharge nozzle (7), and barrel-type casing (5) includes cylinder
The axial end of shape side wall and two capping cylindrical sidewall both ends opens, discharge nozzle (7) is disposed therein on an axial end,
Feed pipe (6) is arranged on cylindrical sidewall, and feed pipe (6) and cylindrical sidewall are tangent, the connection of feed pipe (6) and cylindrical sidewall
A deflector (8) perpendicular to axial end is provided with portion, deflector (8) one end is located at feed pipe (6) connection tubular side
In the part of wall, it is internal that the other end of deflector (8) extends to barrel-type casing (5), and deflector (8) is by the feed pipe residing for it
(6) be divided into two mutually isolated subchannels inside inner passage and barrel-type casing (5), described deflector (8) by according to
The flat plate section being located in feed pipe (6) of secondary connection and the arc section in barrel-type casing (5) are constituted；
Inlet shell (3) is included along coal dust conveying pipeline (9), primary air piping (11) and the secondary air channel set gradually from inside to outside
(10) blast pipe (12) perpendicular to secondary air channel (10) and primary air piping (11), blast pipe, are additionally provided with inlet shell (3)
(12) dividing plate (13) is provided with, dividing plate (13) will be separated into the secondary air of connection secondary air channel (10) inside blast pipe (12)
Passage and an air intake passage for connecting primary air piping (11), the rear end of coal dust conveying pipeline (9) connect going out for entry mixers (1)
Expects pipe (7), the rear end of secondary air channel (10) is sealed by the side wall of inlet shell (3), and the rear end of primary air piping (11) is by dividing plate
(13) seal, the front end of a blast pipe (12) has before tubaeform air outlet, secondary air channel (10) and coal dust conveying pipeline (9)
End connects tubaeform air outlet, and First air air-inlet cavity, secondary air channel are formed between coal dust conveying pipeline (9) and primary air piping (11)
(10) First air air-inlet cavity is formed between primary air piping (11)；
Central air hose (2) is penetrated from the axial end of one of entry mixers (1) and from the discharge nozzle of entry mixers (1)
(7) front end of coal dust conveying pipeline (9) is extended to after passing, stabilizer (4) is installed on the front end of central air hose (2), central air hose
(2) air inlet is provided with back-end sealing, the side wall of central air hose (2) rear end, igniter (14) is after central air hose (2)
End is penetrated, and it is internal to extend to stabilizer (4)；
Described stabilizer (4) is included along the conically shaped (15) and cylindrical tube (16) that direction is sequentially coaxially set from front to back,
Described conically shaped (15) is gradually reduced along vertical direction internal diameter, and the outer cover of conically shaped (15) front end is provided with annular end
Plate (17), the front end of conically shaped (15) is connected by circumferential uniform connecting pole (18) with annular endplate (17), described taper
Circumferentially it is evenly arranged with and extend along conically shaped (15) bus and through the strip gab (19) of barrel on the barrel of cylinder (15)；
The outside of cylindrical tube (16) of the front end sleeve of central air hose (2) loaded on stabilizer (4), the front end of igniter (14) is located at
The connecting portion of cylindrical tube (16) body and conical tube (15) body, the leading section of ignition tip passes through connecting plate and cylindrical tube (16)
Inwall is fixedly connected.
2. pulverized coal combustion system according to claim 1, it is characterised in that：The axial line of described arc section is with being located at
The axial line of cylindrical sidewall on the outside of arc section is overlapped.
3. pulverized coal combustion system according to claim 1, it is characterised in that：Described central air hose (2) and discharge nozzle (7)
It is coaxially disposed.
4. pulverized coal combustion system according to claim 1, it is characterised in that：The internal diameter of described discharge nozzle (7) is along from going out
Expects pipe (7) gradually increases to barrel-type casing (5) direction.
5. pulverized coal combustion system according to claim 1, it is characterised in that：The leading section of described discharge nozzle (7) is set
There is adpting flange, the rearward end of coal dust conveying pipeline (9) is provided with adpting flange, leading section and the coal dust conveying pipeline of discharge nozzle (7)
(9) rearward end is fixedly connected by flange and connecting bolt.
6. pulverized coal combustion system according to claim 1, it is characterised in that：High pressure is provided with described blast pipe (12)
Atomizer.
7. pulverized coal combustion system according to claim 1, it is characterised in that：Coal in a described air intake passage
The outside of powder conveying pipeline (9) is rotatably installed with mixed organization.
8. pulverized coal combustion system according to claim 1, it is characterised in that：Described primary air piping (11) and secondary air channel
(10) be circumferentially evenly arranged between radially extend, the connection for connecting primary air piping (11) and secondary air channel (10)
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510554494.2A CN105135427B (en) | 2015-09-01 | 2015-09-01 | Pulverized coal combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510554494.2A CN105135427B (en) | 2015-09-01 | 2015-09-01 | Pulverized coal combustion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105135427A CN105135427A (en) | 2015-12-09 |
| CN105135427B true CN105135427B (en) | 2017-07-11 |
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ID=54720881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510554494.2A Expired - Fee Related CN105135427B (en) | 2015-09-01 | 2015-09-01 | Pulverized coal combustion system |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0006974A2 (en) * | 1978-04-18 | 1980-01-23 | Ruhrkohle Aktiengesellschaft | Burner for pulverised coal |
| CN2869593Y (en) * | 2006-02-14 | 2007-02-14 | 东方日立锅炉有限公司 | Staged-combustion cyclone coal-powder combustor |
| CN201129725Y (en) * | 2007-07-25 | 2008-10-08 | 杜风波 | Double rotary stream flame steady device |
| CN201322295Y (en) * | 2008-07-08 | 2009-10-07 | 东方锅炉（集团）股份有限公司 | Pulverized coal combustion device |
| CN203099814U (en) * | 2012-12-18 | 2013-07-31 | 杭州燃油锅炉有限公司 | Pulverized coal burner |
| CN104100971A (en) * | 2014-07-07 | 2014-10-15 | 清华大学 | Cyclone burner with primary air concentration separation function |
| CN204986995U (en) * | 2015-09-01 | 2016-01-20 | 山东华臻重工有限公司 | Pulverized coal combustion system |
-
2015
- 2015-09-01 CN CN201510554494.2A patent/CN105135427B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0006974A2 (en) * | 1978-04-18 | 1980-01-23 | Ruhrkohle Aktiengesellschaft | Burner for pulverised coal |
| CN2869593Y (en) * | 2006-02-14 | 2007-02-14 | 东方日立锅炉有限公司 | Staged-combustion cyclone coal-powder combustor |
| CN201129725Y (en) * | 2007-07-25 | 2008-10-08 | 杜风波 | Double rotary stream flame steady device |
| CN201322295Y (en) * | 2008-07-08 | 2009-10-07 | 东方锅炉（集团）股份有限公司 | Pulverized coal combustion device |
| CN203099814U (en) * | 2012-12-18 | 2013-07-31 | 杭州燃油锅炉有限公司 | Pulverized coal burner |
| CN104100971A (en) * | 2014-07-07 | 2014-10-15 | 清华大学 | Cyclone burner with primary air concentration separation function |
| CN204986995U (en) * | 2015-09-01 | 2016-01-20 | 山东华臻重工有限公司 | Pulverized coal combustion system |
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| Publication number | Publication date |
|---|---|
| CN105135427A (en) | 2015-12-09 |
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Inventor after: Yu Li Inventor after: Zhang Baoguo Inventor after: Zhang Chongjing Inventor before: Zhang Baoguo Inventor before: Zhang Chongjing |
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Effective date of registration: 20170614 Address after: 264006 Shandong city of Yantai Province Economic and Technological Development Zone longevity Road No. 5 Building No. 1 powervision Applicant after: Shandong Fuhai Tailai Amperex Technology Limited Address before: 265617, Shandong, Yantai Province, Penglai City, No. 11 tide Street Applicant before: Shandong Huazhen Heavy Industry Co., Ltd. |
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