CN207793183U - The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle - Google Patents
The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle Download PDFInfo
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- CN207793183U CN207793183U CN201820133700.1U CN201820133700U CN207793183U CN 207793183 U CN207793183 U CN 207793183U CN 201820133700 U CN201820133700 U CN 201820133700U CN 207793183 U CN207793183 U CN 207793183U
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Abstract
The utility model be adjusted jet angle gasification furnace gasifying agent can rapid-replacement type air nozzle belong to mounted on the external face of circle fluidized-bed gasification furnace, can manually adjust jet angle and jet amount air nozzle at any time.The air jet pipe of air nozzle is sleeved in outer tube, and outer tube adjusts assembly by three sections of round tubes and two and forms, and each assembly that adjusts is fixed and is sealedly connected between two round tubes；The interior empty circle for adjusting assembly is connect with round tube；The adjusting screw rod of two adjusting assemblies projects into " ten " character form structure, two gas nozzle angle regulators of i.e. one adjusting assembly make the upper and lower adjusting position of air jet pipe, another two gas nozzle angle regulator for adjusting assembly makes the left and right adjusting position of air jet pipe.Advantage：The jet angle of air nozzle 360 degree variations into stove manually can be adjusted in the external face of gasification furnace at any time, meet at any time can in manual adjustment furnace body 360 degree of powder fluidized paths changed needs；It can also rapid-replacement type fluidized gasification agent air nozzle.
Description
Technical field
The gasifying agent that the utility model belongs to circle fluidized-bed gasification furnace is injected into air nozzle in stove, more particularly to
One kind being mounted on the external face of circle fluidized-bed gasification furnace, can manually adjust jet angle and jet amount air nozzle at any time.
Background technology
Fluidized bed pulverized coal gasification technique is that current coal gasification field is widely used general coal gasifying process.Using 4-
The small-particle coal of 10mm grain sizes is as gasified raw material, using gasifying agent (air, oxygen, oxygen-enriched air and water vapour) while as stream
Change medium, the gasifying agent of certain pressure is by entering stove air nozzle from bottom to top by fluid bed bed, by controlling gasifying agent
Flow velocity makes fluidized state at the raw material whole in gasification furnace, is carried out at the same time chemical reaction and heat exchange, generates coal gas.
Gasifying agent plays fluidizing agent effect in addition to participating in gasification reaction as raw material, since gasification furnace is rounded,
The same plane of gasification furnace is generally mounted on using branched air nozzle, the size of gasifying agent flow velocity is coal particles stream in gasification furnace
One of an important factor for changing effect is to be realized with valve switch amplitude to control the pressure of gasifying agent with uninterrupted.Jet
The angle of mouth, i.e.,：Air nozzle installs the angle between gasification furnace radial water plane, air nozzle and gasification furnace center angle, more
Branch air nozzle angle one is to property, and above several angles are to the fluidisation of gasifying agent with also with important influence.
Existing air nozzle installation is all first to determine that this angle foundation is according to the angle installation first determined：Gasification furnace
Gasify agent flux, temperature, particulate material coal characteristic parameter are needed, then according to the structure size of gasification furnace, remakes fluidisation experiment
Effect, it is final to determine a preferably design air nozzle angle.Present air nozzle setting angle once it is determined that, then erecting and welding exists
On gasification furnace, jet angle and jet pipe diameter are just fixed from change and change, and replace that air nozzle is pretty troublesome, needs the time
It is long.And during practical gasifier operation, there are many changing factors, first, there is deviation in the processing dimension of gasification furnace, it is branched
Between air nozzle setting angle one to property deviation；Two are different gas volume, gas quality is to the traffic requirement of gasifying agent
Different, third, the temperature of gasifying agent is because of heat transfer effect reason and can have deviation, operating mode flow also can be different, fourth,
Coal particles also will appear deviation because coal type change, process fluctuate its feature.These changing factors and deviation, make gasification furnace
Gasifying agent enter the diameter of stove air nozzle, angle and often do not adapt to actual motion needs, less serious case influences gasification furnace fluid effect,
Gasification reaction effect is bad, causes Coal Gasification inefficient, severe one to deteriorate gasification furnace fluid effect, gasification furnace cannot remain normal
Operation.
Invention content
In order to solve circle fluidized-bed gasification furnace in normal work, gasifying agent air nozzle jet angle is fixed from change
Change, and replaces that air nozzle is pretty troublesome come the operation that changes air jet pipe diameter, needs the problem of long-time blowing out；This practicality
A kind of novel gasification furnace of offer can manually be adjusted gasifying agent air nozzle at any time in normal work in the external face of gasification furnace
Jet angle into stove meets the needs that powder fluidized path in furnace body is adjusted at any time；As long as and of short duration stopping is gasified
Furnaceman makees, and is capable of the air nozzle of quick-replaceable different-diameter air jet pipe, i.e. the utility model provides one kind and can be adjusted at any time jet
Angle, can rapid-replacement type fluidized gasification agent air nozzle.
The structure of the utility model is as follows：
The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle, it is characterised in that：Including outer tube 1
With the air jet pipe 2 being sleeved in outer tube 1；
The structure of outer tube 1：Outer tube 1 with connecting tube 3 there are one that can discharge the housing pipe flange end 4 connecting, outside
The other end of casing 1 is that the outer tube welding ends 6 being connected to mutually is welded with the hole on furnace body shell 5；Outer tube 1 is by three sections of round tubes
7 and two adjust assemblies 8 and form, it is each adjust assembly 8 and fix simultaneously is sealedly connected between two round tubes 7, become round tube
7, adjusting assembly 8, round tube 7, the shell series connection fixed seal connection for adjusting assembly 8, round tube 7, and the combination that interior Kongxiang is logical
Formula pipe structure；
The structure of assembly 8 is adjusted in outer tube 1：The circular square-outside and round-inside short tube 9 of interior sky including a square shell,
Interlayer space between two block baffles 10 of 9 both sides of square-outside and round-inside short tube from Quad Sides to internal circle becomes the guiding of guide plate 11
Slot 12；Square-outside and round-inside short tube 9 has one or two opposite face to be designed with adjusting hole 13 respectively, in adjusting hole 13 clamping have sealed letter pipe
14；Sealed letter pipe 14 is slidably connected with gas nozzle angle regulator；The structure of gas nozzle angle regulator：In square-outside and round-inside short tube
The adjusting of 9 outsides is equipped with adjusting bracket 15 with 13 position of hole, and the fixed upper fixed ring 16 that is equipped with is under in adjusting bracket 15
The outer rim of fixed ring 17, upper fixed ring 16 and lower fixed ring 17 is fixedly connected with adjusting bracket 15, upper fixed ring 16
Adjusting nut 18 is equipped in clearance space between lower fixed ring 17；Piece adjusting screw rod 19 pass through upper fixed ring 16,
Adjusting nut 18, lower fixed ring 17, sealed letter pipe 14, make 19 one end of adjusting screw rod in 1 outside of outer tube, and adjusting screw rod 19 is another
In the inside of outer tube 1, adjusting screw rod 19 is connected with guide plate 11 at 1 the inside end of outer tube for one end, guide plate 11 in outer tube 1
Air jet pipe 2 contact；One adjust assembly 8 in opposite face two gas nozzle angle regulators two guide plates 11 respectively with
Two of 2 a certain diameter of air jet pipe practise physiognomy tube wall contact；The both ends of guide plate 11 are entrapped in 9 liang of side blocks of square-outside and round-inside short tube
Between plate 10 in the guide groove 12 of interlayer space.
Two adjusting assemblies 8 are combined into the universal adjustment structure to air jet pipe 2 on outer tube 1：Two adjust the interior of assembly 8
Empty circle size is identical as 7 size of round tube, and the interior empty circle of two adjusting assemblies 8 is connect with round tube 7；One adjusting assembly
Point-blank, the adjusting screw rod 19 of two adjusting assemblies 8 projects into " ten " font to two adjusting screw rods 19 of 8 opposite face
Two gas nozzle angle regulators of structure, i.e., one adjusting assembly 8 make 2 upper and lower adjusting position of air jet pipe, another adjusts total
Make 2 left and right adjusting position of air jet pipe at 8 two gas nozzle angle regulators.
Be connected with one piece of flexible ring flat-plate 20 in 4 that one end of housing pipe flange end of air jet pipe 2, flexible ring flat-plate 20 it is outer straight
Diameter is identical as the overall diameter at housing pipe flange end 4, and the endoporus of flexible ring flat-plate 20 is fixedly connected with one end of air jet pipe 2；It is flexible
Ring flat-plate 20 is equipped with 21 elastic construction of concave-convex annular circle in different-diameter position；20 edge of flexible ring flat-plate and housing pipe flange end 4
It is connected with.
Preferably, further include a connecting tube 3, the ring flange of connecting tube 3 is adjacent with flexible ring flat-plate 20, becomes connecting tube 3
Ring flange, flexible ring flat-plate 20,4 three of housing pipe flange end be overlapped the structure being connected with.
Preferably, 7 outside of round tube of outer tube 1 is equipped with annular water tank 22, and annular water tank 22 is equipped with water inlet pipe and water outlet
Pipe.
The relationship of existing air nozzle and gasification furnace is：Air nozzle angle secures, air nozzle diameter secures, and secures not
It can be to change and carry out corresponding progress jet angle change, air nozzle diameter must not also be adjusted with gasification furnace real work, make
Gasification furnace cannot be operated in optimum state.
The present invention is a kind of air nozzle of fast changeable different-diameter, gasification furnace can also adjust jet in normal work
The circle fluidized-bed gasification furnace gasifying agent of the ejection gas angle of mouth enters stove air nozzle.
The air nozzle jet angle regulation method of the present invention：First gasify agent flux, temperature, particulate material are needed by gasification furnace
Coal characteristic parameter makees fluidisation experiment effect according to the structure size of gasification furnace, determine one preferably design air nozzle angle with
Air nozzle diameter makes this air nozzle of the utility model by a diameter of foundation determined, then again according to the reason determined
Air nozzle is mounted on the air admission hole of gasification furnace by angle, cold conditions is carried out and is tested with hot fluidisation, adjusting two adjusts total
At 8 four, upper and lower, left and right nut, Field adjustment is optimized to the jet angle of air nozzle, meets best fluidisation shape
State.Realize that gasification furnace air jet pipe in working condition, air nozzle can be adjusted at any time the function of jet angle.
Jet jet pipe replacing options in the air nozzle of the present invention：Since the air jet pipe in air nozzle is with flexible ring flat-plate weldering
One entirety, the outer tube 1 with air nozzle is dismountable, can be first by other suitable ruler when the diameter of air jet pipe is not suitable for
Very little air jet pipe is made with flexible ring flat-plate, and is welded.Again in short-term stop furnace gasization work, remove original air jet pipe with it is soft
Property ring flat-plate component, the air jet pipe of new production and flexible ring board group part are installed.Realize that the diameter of air jet pipe in air nozzle can
With quick-replaceable function.
The suggestion of practical operation：
1, there is deviation in the air nozzle angle that theoretical calculation, experimental simulation determine, and the operating mode of actual motion, cannot reach
Best fluid effect can be adjusted the upper and lower, left and right adjusting screw rod 19 of two adjusting assemblies 8 of air nozzle, reach
To the purpose of the jet angular adjustment of air jet pipe in air nozzle, elimination jet angular deviation brings bad to gasification furnace working condition
Influence；
2, two of air nozzle adjust the adjusting nut of 8 upper and lower, left and right of assembly, to coordinate with adjusting screw rod size, adjust
Direction of rotation and rotating cycle are recorded when section, can be ensured and be adjusted the one of each different section nut adjustments to property；Also it can be sprayed according to every
Gas nozzle physical location on furnace gas is different, changes direction of rotation and the number of turns of same position adjusting nut by a small margin, to single branch
Air nozzle carries out particular trim, meets the best fluidisation requirement of furnace gasization.
3, the multiple diameter that the air nozzle that theoretical calculation, experimental simulation determine may need, and manufacture multiple diameter jet
Pipe is respectively the assembly of an entirety with the weldering of flexible ring flat-plate.When deviation occurs in the operating mode of furnace gas actual motion, in fact it could happen that spray
The jet pipe diameter of gas nozzle is bigger than normal or less than normal, can stop in short-term furnace gasization work, fast quick-detach originally unfavorable air jet pipe with
Flexible ring flat-plate assembly, it would be desirable to air jet pipe changed with flexible ring flat-plate assembly.Realize that the diameter of air jet pipe in air nozzle can be fast
The function that speed is replaced.
The advantages of the utility model：When being worked normally on gasification furnace with the gasifying agent air nozzle of the utility model,
Gasifying agent air nozzle is mounted in the external face of gasification furnace, manually can adjust air nozzle into stove in the external face of gasification furnace at any time
The jet angles of 360 degree of variations, meet at any time can in manual adjustment furnace body 360 degree powder fluidized paths changed needs；And
As long as and of short duration stopping gasification furnace working, and is capable of the air nozzle of quick-replaceable different-diameter air jet pipe, increases or decreases air nozzle
Jet amount, i.e., the utility model be one kind can be adjusted at any time jet angle, can rapid-replacement type fluidized gasification agent air nozzle.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model；
Fig. 2 is the adjusting assembly structure schematic diagram of left and right both direction adjusting nut；
Fig. 3 is the adjusting assembly structure schematic diagram of upper and lower both direction adjusting nut；
Fig. 4 is two and adjusts assembly and outer tube and air jet pipe structural schematic diagram；
In figure, 1 it is outer tube, 2 is air jet pipe, 3 is connecting tube, 4 is housing pipe flange end, 5 is furnace body shell, 6 is
Outer tube welding ends, 7 be round tube, 8 be adjust assembly, 9 be square-outside and round-inside short tube, 10 be baffle, 11 be guide plate, 12 be
Guide groove, 13 be adjusting hole, 14 be sealed letter pipe, 15 be adjusting bracket, 16 be upper fixed ring, 17 be lower fixed ring,
18 it is adjusting nut, 19 be adjusting screw rod, 20 be flexible ring flat-plate, 21 be concave-convex annular circle, 22 is annular water tank.
Specific implementation mode
Embodiment 1, the gasification furnace gasifying agent that jet angle is adjusted can rapid-replacement type air nozzle
Such as Fig. 1,2,3,4, be adjusted jet angle gasification furnace gasifying agent can rapid-replacement type air nozzle, including outer tube
1 and the air jet pipe 2 that is sleeved in outer tube 1；
The structure of outer tube 1：Outer tube 1 with connecting tube 3 there are one that can discharge the housing pipe flange end 4 connecting, outside
The other end of casing 1 is that the outer tube welding ends 6 being connected to mutually is welded with the hole on furnace body shell 5；Outer tube 1 is by three sections of round tubes
7 and two adjust assemblies 8 and form, it is each adjust assembly 8 and fix simultaneously is sealedly connected between two round tubes 7, become round tube
7, adjusting assembly 8, round tube 7, the shell series connection fixed seal connection for adjusting assembly 8, round tube 7, and the combination that interior Kongxiang is logical
Formula pipe structure；
The structure of assembly 8 is adjusted in outer tube 1：The circular square-outside and round-inside short tube 9 of interior sky including a square shell,
Interlayer space between two block baffles 10 of 9 both sides of square-outside and round-inside short tube from Quad Sides to internal circle becomes the guiding of guide plate 11
Slot 12；Square-outside and round-inside short tube 9 has one or two opposite face to be designed with adjusting hole 13 respectively, in adjusting hole 13 clamping have sealed letter pipe
14；Sealed letter pipe 14 is slidably connected with gas nozzle angle regulator；The structure of gas nozzle angle regulator：In square-outside and round-inside short tube
The adjusting of 9 outsides is equipped with adjusting bracket 15 with 13 position of hole, and the fixed upper fixed ring 16 that is equipped with is under in adjusting bracket 15
The outer rim of fixed ring 17, upper fixed ring 16 and lower fixed ring 17 is fixedly connected with adjusting bracket 15, upper fixed ring 16
Adjusting nut 18 is equipped in clearance space between lower fixed ring 17；Piece adjusting screw rod 19 pass through upper fixed ring 16,
Adjusting nut 18, lower fixed ring 17, sealed letter pipe 14, make 19 one end of adjusting screw rod in 1 outside of outer tube, and adjusting screw rod 19 is another
In the inside of outer tube 1, adjusting screw rod 19 is connected with guide plate 11 at 1 the inside end of outer tube for one end, guide plate 11 in outer tube 1
Air jet pipe 2 contact；One adjust assembly 8 in opposite face two gas nozzle angle regulators two guide plates 11 respectively with
Two of 2 a certain diameter of air jet pipe practise physiognomy tube wall contact；The both ends of guide plate 11 are entrapped in 9 liang of side blocks of square-outside and round-inside short tube
Between plate 10 in the guide groove 12 of interlayer space.
Two adjusting assemblies 8 are combined into the universal adjustment structure to air jet pipe 2 on outer tube 1：Two adjust the interior of assembly 8
Empty circle size is identical as 7 size of round tube, and the interior empty circle of two adjusting assemblies 8 is connect with round tube 7；One adjusting assembly
Point-blank, the adjusting screw rod 19 of two adjusting assemblies 8 projects into " ten " font to two adjusting screw rods 19 of 8 opposite face
Two gas nozzle angle regulators of structure, i.e., one adjusting assembly 8 make 2 upper and lower adjusting position of air jet pipe, another adjusts total
Make 2 left and right adjusting position of air jet pipe at 8 two gas nozzle angle regulators；
Be connected with one piece of flexible ring flat-plate 20 in 4 that one end of housing pipe flange end of air jet pipe 2, flexible ring flat-plate 20 it is outer straight
Diameter is identical as the overall diameter at housing pipe flange end 4, and the endoporus of flexible ring flat-plate 20 is fixedly connected with one end of air jet pipe 2；It is flexible
Ring flat-plate 20 is equipped with 21 elastic construction of concave-convex annular circle in different-diameter position；20 edge of flexible ring flat-plate and housing pipe flange end 4
It is connected with.
Further include a connecting tube 3, the ring flange of connecting tube 3 is adjacent with flexible ring flat-plate 20, becomes the flange of connecting tube 3
Disk, flexible ring flat-plate 20,4 three of housing pipe flange end are overlapped the structure being connected with.
7 outside of round tube of outer tube 1 is equipped with annular water tank 22, and annular water tank 22 is equipped with water inlet pipe and outlet pipe.
Claims (3)
1. the gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle, it is characterised in that：Including outer tube (1)
With the air jet pipe (2) being sleeved in outer tube (1)；
The structure of outer tube (1)：There are one can discharge the housing pipe flange end connecting to outer tube (1) with connecting tube (3)
(4), the other end of outer tube (1) is that the outer tube welding ends (6) being connected to mutually is welded with the hole on furnace body shell (5)；Outer tube
(1) it adjusts assembly (8) by three sections of round tubes (7) and two to form, each adjusts assembly (8) and fix and be sealedly connected on two circles
Between shape pipe (7), becomes round tube (7), adjusts assembly (8), round tube (7), the shell string for adjusting assembly (8), round tube (7)
Join fixed seal connection；
The structure of assembly (8) is adjusted in outer tube (1)：The circular square-outside and round-inside short tube of interior sky including a square shell
(9), the interlayer space between two block baffles (10) of square-outside and round-inside short tube (9) both sides from Quad Sides to internal circle becomes guide plate
(11) guide groove (12)；Square-outside and round-inside short tube (9) has one or two opposite face to be designed with adjusting hole (13), adjusting hole respectively
(13) clamping has sealed letter pipe (14) in；Sealed letter pipe (14) is slidably connected with gas nozzle angle regulator；Gas nozzle angular adjustment
The structure of device：Adjusting outside square-outside and round-inside short tube (9) is equipped with adjusting bracket (15) with hole (13) position, in adjusting bracket
(15) fixed in be equipped with upper fixed ring (16) and lower fixed ring (17), upper fixed ring (16) and lower fixed ring (17)
Outer rim be fixedly connected with adjusting bracket (15), set in the clearance space between upper fixed ring (16) and lower fixed ring (17)
There is adjusting nut (18)；A piece adjusting screw rod (19) passes through upper fixed ring (16), adjusting nut (18), lower fixed ring
(17), sealed letter pipe (14) make adjusting screw rod (19) one end outside outer tube (1), and adjusting screw rod (19) other end is in housing
It manages inside (1), adjusting screw rod (19) end inside outer tube (1) is connected with guide plate (11), guide plate (11) and outer tube (1)
Interior air jet pipe (2) contact；One two guide plate for adjusting two gas nozzle angle regulators of opposite face in assembly (8)
(11) it is contacted respectively with two tube walls of practising physiognomy of air jet pipe (2) a certain diameter；The both ends of guide plate (11) are entrapped in foreign side
Between (9) two side shield (10) of inner circle short tube in the guide groove (12) of interlayer space；
Upper two of outer tube (1) adjusts assembly (8) and is combined into the universal adjustment structure to air jet pipe (2)：Two adjust assembly (8)
Interior empty round size it is identical with round tube (7) size, two interior empty circles for adjusting assemblies (8) are connect with round tube (7)；One
It is a adjust assembly (8) opposite face two adjusting screw rods (19) point-blank, two adjust assembly (8) adjusting screw rods
(19) project into " ten " character form structure, i.e., one two gas nozzle angle regulators for adjusting assembly (8) make on air jet pipe (2),
Lower adjusting position, another two gas nozzle angle regulator for adjusting assembly (8) make air jet pipe (2) left and right adjusting position；
It is connected with one piece of flexible ring flat-plate (20) in housing pipe flange end (4) of air jet pipe (2) that one end, flexible ring flat-plate (20)
Overall diameter is identical as the overall diameter at housing pipe flange end (4), and one end of the endoporus and air jet pipe (2) of flexible ring flat-plate (20) is fixed
Connection；Flexible ring flat-plate (20) is equipped with concave-convex annular circle (21) elastic construction in different-diameter position；Flexible ring flat-plate (20) edge with
Housing pipe flange end (4) is connected with.
2. the gasification furnace gasifying agent of adjustable jet angle according to claim 1 can rapid-replacement type air nozzle, it is special
Sign is：Further include a connecting tube (3), the ring flange of connecting tube (3) is adjacent with flexible ring flat-plate (20), becomes connecting tube (3)
Ring flange, flexible ring flat-plate (20), housing pipe flange end (4) three be overlapped the structure being connected with.
3. the gasification furnace gasifying agent of adjustable jet angle according to claim 1 or 2 can rapid-replacement type air nozzle,
It is characterized in that：Annular water tank (22) is equipped with outside the round tube (7) of outer tube (1), annular water tank (22) is equipped with water inlet pipe and goes out
Water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133700.1U CN207793183U (en) | 2018-01-17 | 2018-01-17 | The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133700.1U CN207793183U (en) | 2018-01-17 | 2018-01-17 | The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207793183U true CN207793183U (en) | 2018-08-31 |
Family
ID=63269611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820133700.1U Expired - Fee Related CN207793183U (en) | 2018-01-17 | 2018-01-17 | The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207793183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165313A (en) * | 2018-01-17 | 2018-06-15 | 北京澳柯清洁煤气工程技术有限公司 | The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle |
| CN110465415A (en) * | 2019-09-16 | 2019-11-19 | 上海锅炉厂有限公司 | A kind of telescopic air-flow spout and its design implement method |
-
2018
- 2018-01-17 CN CN201820133700.1U patent/CN207793183U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165313A (en) * | 2018-01-17 | 2018-06-15 | 北京澳柯清洁煤气工程技术有限公司 | The gasification furnace gasifying agent of adjustable jet angle can rapid-replacement type air nozzle |
| CN110465415A (en) * | 2019-09-16 | 2019-11-19 | 上海锅炉厂有限公司 | A kind of telescopic air-flow spout and its design implement method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20210117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |