CN113522550B - Atomizing nozzle for producing coal water slurry - Google Patents

Atomizing nozzle for producing coal water slurry Download PDF

Info

Publication number
CN113522550B
CN113522550B CN202110922237.5A CN202110922237A CN113522550B CN 113522550 B CN113522550 B CN 113522550B CN 202110922237 A CN202110922237 A CN 202110922237A CN 113522550 B CN113522550 B CN 113522550B
Authority
CN
China
Prior art keywords
nozzle
flow
flow channel
water slurry
coal water
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
Application number
CN202110922237.5A
Other languages
Chinese (zh)
Other versions
CN113522550A (en
Inventor
蔡艳华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Lanye Technology Co ltd
Original Assignee
Nanjing Lanye Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Lanye Technology Co ltd filed Critical Nanjing Lanye Technology Co ltd
Priority to CN202110922237.5A priority Critical patent/CN113522550B/en
Publication of CN113522550A publication Critical patent/CN113522550A/en
Application granted granted Critical
Publication of CN113522550B publication Critical patent/CN113522550B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/14Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation
    • B05B3/16Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation driven or controlled by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/04Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/0466Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the central liquid flow towards the peripheral gas flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/04Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/0475Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the peripheral gas flow towards the central liquid flow
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/48Apparatus; Plants
    • C10J3/50Fuel charging devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)

Abstract

The invention relates to the technical field of coal water slurry preparation equipment, and discloses an atomization nozzle for coal water slurry production. The atomizing nozzle for producing the coal water slurry is vertically arranged through the flow guide blocks and divided into two blocks of the vertical arrangement at intervals, so that the direction of changing flow direction in each flow channel is consistent, the flows of oxygen and the coal water slurry in the inner flow channel, the middle flow channel and the outer flow channel firstly strike the lower part of the flow guide blocks to drive the inner nozzle, the middle nozzle and the outer nozzle to swing downwards, then upwards flow and strike the inner wall of each flow channel to drive the inner nozzle, the middle nozzle and the outer nozzle to swing upwards, and the swinging force is transmitted through the bracket, so that the inner nozzle, the middle nozzle and the outer nozzle swing at the same frequency to achieve resonance, the inner nozzle, the middle nozzle and the outer nozzle cannot deviate from left and right sides due to up-down swinging in the use process, and the resonance has the same swing amplitude, the upper side and lower side of swinging of the inner nozzle, the middle nozzle and the outer nozzle cannot deviate, and the service life of a refractory brick cannot be reduced due to the spraying and burning of the nozzle.

Description

Atomizing nozzle for producing coal water slurry
Technical Field
The invention relates to the technical field of coal water slurry preparation equipment, in particular to an atomization nozzle for coal water slurry production.
Background
The water-coal-slurry nozzle is key equipment in the water-coal-slurry pressurized gasification technology, the working effect and the service life of the water-coal-slurry pressurized gasification technology determine the working effect of a gasification furnace, the economic benefit of enterprises is affected, the nozzle works in a high-temperature and high-pressure environment, the structure of the water-coal-slurry nozzle is composed of an inner nozzle, a middle nozzle and an outer nozzle which are coaxially sleeved from inside to outside and provided with a streamline front closing end, the water-coal-slurry nozzle is in a three-flow type inner and outer mixed atomization mode, an outer flow channel and an inner flow channel convey high-pressure oxygen, the middle flow channel conveys high-pressure water-coal-slurry, the inner flow channel oxygen and the middle flow channel are mixed with the outer flow channel after being semi-premixed, and the outer flow channel are uniformly atomized and combusted at a nozzle, and a cooling water cavity is arranged at the outer head of the nozzle to protect the nozzle.
In the use process, the coaxiality of the coal water slurry nozzle is easy to deviate, the formed jet flame can obviously deviate in the direction of narrower annular space, and after long-term operation, erosion and high-temperature radiation are formed on the refractory bricks at one side of the deviation.
Disclosure of Invention
The invention provides an atomization nozzle for producing coal water slurry, which has the advantages of no gap deviation and long service life of refractory bricks, and solves the problems of coaxial deviation of nozzles, deviation of sprayed combustion flame and reduction of the service life of refractory bricks.
The invention provides the following technical scheme: the utility model provides an atomizer for coal water slurry production, includes the interior nozzle, the outside coaxial sleeve of interior nozzle is equipped with well nozzle, the outside coaxial sleeve of well nozzle is equipped with outer nozzle, install the support between interior nozzle and the well nozzle, install another support between well nozzle and the outer nozzle, the inner chamber of interior nozzle forms interior runner, form well runner between well nozzle and the interior nozzle, form outer runner between well nozzle and the outer nozzle, in runner, well runner, the external runner in each fixed mounting have the water conservancy diversion piece, the water conservancy diversion piece is vertical on same vertical line.
Preferably, the flow guide blocks are divided into two blocks which are arranged at intervals, and opposite surfaces of the two flow guide blocks are curved surfaces.
Preferably, the width of the flow guiding block is smaller than the diameter of the corresponding flow channel.
Preferably, the pressurizing block is fixedly mounted on the inner surface of the inner nozzle and positioned on the right side of the flow guiding block, the first flow holes are formed in the inner nozzle and matched with the pressurizing block, and the second flow holes are formed in the upper side and the lower side of the middle nozzle and positioned on the right side of the flow guiding block.
The invention has the following beneficial effects:
1. This atomizer is used in coal slurry production, through the vertical setting of water conservancy diversion piece, and divide into two interval settings, make the direction that changes the flow direction in every runner be unanimous, the lower part of water slurry is first strikeed to the flow of interior runner, well runner, interior oxygen and coal slurry in the outer runner, drive interior nozzle, well nozzle, outer nozzle down swing, the upward flow striking each runner inner wall again, drive interior nozzle, well nozzle, outer nozzle up swing, and drive swing force through the support, make interior nozzle, well nozzle, outer nozzle same-frequency swing, reach resonance, make interior nozzle, well nozzle, outer nozzle in the use, because of the upper and lower swing, can not produce the skew of left and right sides, again because resonance, the swing amplitude is the same, interior nozzle, well nozzle, outer nozzle swing can not take place the upside skew, the nozzle blowout burning can not reduce the life of firebrick, and because of the swing of the nozzle, make blowout burning flame coverage wider, further improve the life of firebrick, the blowout is easier to disperse under the swing, and further increase the velocity of flow, the atomizing effect of nozzle is better.
2. The atomizing nozzle for producing the coal water slurry is provided with the first through-hole, and under the cooperation of the pressurizing block, high-pressure oxygen in the inner runner is pressurized at the first through-hole, so that the high-pressure oxygen can be extruded from the first through-hole, enter the middle runner, increase the air content of the coal water slurry in the middle runner, increase the molecular gap of the high-pressure oxygen, enable the high-pressure oxygen to collide with the coal water slurry when being sprayed, enable the impact of liquid drops to be stronger in the crushing atomization effect of the coal water slurry when being sprayed, and further improve the atomization effect of the nozzle when being sprayed.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention.
In the figure: 1. an inner nozzle; 2. a middle nozzle; 3. an outer nozzle; 4. a bracket; 5. an inner flow passage; 6. a middle runner; 7. an outer flow passage; 8. a flow guiding block; 9. pressurizing the block; 10. a first flow hole; 11. and a second flow hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an atomizer for producing coal water slurry, comprising an inner nozzle 1, a middle nozzle 2 is coaxially sleeved outside the inner nozzle 1, an outer nozzle 3 is coaxially sleeved outside the middle nozzle 2, a bracket 4 is installed between the inner nozzle 1 and the middle nozzle 2, another bracket 4 is installed between the middle nozzle 2 and the outer nozzle 3, an inner runner 5 is formed in an inner cavity of the inner nozzle 1, a middle runner 6 is formed between the middle nozzle 2 and the inner nozzle 1, an outer runner 7 is formed between the middle nozzle 2 and the outer nozzle 3, guide blocks 8 are respectively and fixedly installed in the inner runner 5, the middle runner 6 and the outer runner 7, the guide blocks 8 are vertically installed on the same vertical line, the guide blocks 8 are divided into two blocks of space, opposite surfaces of the two guide blocks 8 are curved surfaces, so that the changed flow directions in each runner are consistent, the flows of oxygen and coal water slurry in the inner runner 5, the middle runner 6 and the outer runner 7 firstly strike the lower part of the guide blocks 8, the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 are driven to swing downwards and then flow upwards to impact the inner wall of each runner, the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 are driven to swing upwards, and the swinging force is transmitted through the bracket 4, so that the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 swing at the same frequency to reach resonance, the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 do not generate left-right side deflection due to vertical swinging in the use process, the upper-lower side deflection does not occur due to resonance when the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 swing, the service life of refractory bricks is not reduced when the nozzles spray out and burn, the coverage range of sprayed burning flame is wider due to the swinging of the nozzles, the service life of the refractory bricks is further prolonged, sprayed liquid is easier to disperse under the swinging, the flow speed is further increased, the atomization effect of the nozzle is better, the width of the flow guiding block 8 is smaller than the diameter of the corresponding flow channel, after the high-pressure oxygen and the water coal slurry strike the flow guiding block 8, the high-pressure oxygen and the water coal slurry can flow through the flow guiding block 8 at high speed from the flow guiding interval and the two sides of the flow guiding block 8, negative pressure is formed on the back surface of the flow guiding block 8, the high-pressure oxygen and the water coal slurry are influenced, the flow direction is changed, the high-pressure oxygen entering from the first circulation hole 10 and the water coal slurry entering from the second circulation hole 11 are impacted and crushed and mixed at different angles, the effect of overcoming the surface tension of the liquid is good at the outlet, the mixed atomization effect is good, the pressurizing block 9 is fixedly arranged on the inner surface of the inner nozzle 1 and positioned on the right side of the flow guiding block 8, the first circulation hole 10 is formed by the inner nozzle 1 and the pressurizing block 9, the upper side and the lower side of the middle nozzle 2 and the right side of the flow guiding block 8 are provided with the second flow guiding hole 11, so that high-pressure oxygen in the inner flow channel 5 is pressed at the first flow guiding hole 10 and can be extruded out of the first flow guiding hole 10, enter the middle flow channel 6, the air content of the water-coal-slurry in the middle flow channel 6 is increased, the molecular gap of the water-coal-slurry is increased, the collision atomization effect is better during ejection, the water-coal-slurry in the middle flow channel 6 is locally pressurized under the flow guiding acceleration of the flow guiding block 8, the water-coal-slurry enters the outer flow channel 7 through the second flow guiding hole 11, the water-coal-slurry is crushed by high-pressure oxygen in the outer flow channel 7, the water-coal-slurry collides with the ejected water-coal-slurry during ejection, compared with the crushing of wind to the surface tension of liquid, the crushing atomization effect of the water-coal-slurry caused by the collision of the liquid drops is stronger, and the atomization effect of the nozzle is further improved.
The working principle of the nozzle of the invention is as follows:
The high-pressure oxygen flows and is conveyed in the inner runner 5 and the outer runner 7, the high-pressure water coal slurry is conveyed in the middle runner 6, in the conveying process, the high-pressure oxygen and the high-pressure water coal slurry vertically towards the top and the bottom in the nozzle can be guided by the corresponding guide blocks 8, firstly, the lower block of the guide blocks 8 is impacted, the nozzle has downward swing amplitude, then the upper surface of the corresponding nozzle is impacted along the interval guide of the guide blocks 8, the nozzle has upward swing amplitude, the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 swing and mutually drive the swing force to achieve the resonance effect of the same-frequency swing, the gaps among the inner nozzle 1, the middle nozzle 2 and the outer nozzle 3 can not deviate, the flow speed of the high-pressure oxygen and the water-coal-slurry is increased when the high-pressure oxygen and the water-coal-slurry strike the flow guiding block 8, after the high-pressure oxygen and the water-coal-slurry flow pass through the flow guiding block 8, the flow direction of part of the high-pressure oxygen and the water-coal-slurry is changed, the high-pressure air in the inner flow channel 5 can enter the middle flow channel 6 to be mixed with the water-coal-slurry through the first flow hole 10 under the converging and pressurizing action of the pressurizing block 9, the flow direction of the water-coal-slurry at the back of the flow guiding block 8 in the middle flow channel 6 is changed, the high-pressure oxygen entering from the first flow hole 10 is collided and mixed, the water-coal-slurry in the middle flow channel 6 enters the outer flow channel 7 through the second flow hole 11 under the accelerating guide of the flow guiding block 8, and is crushed and mixed, and atomized at the outlet.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a coal water slurry production is with atomizer, includes interior nozzle (1), its characterized in that: the inner nozzle (1) is coaxially sleeved with a middle nozzle (2), the outer part of the middle nozzle (2) is coaxially sleeved with an outer nozzle (3), a bracket (4) is arranged between the inner nozzle (1) and the middle nozzle (2), another bracket (4) is arranged between the middle nozzle (2) and the outer nozzle (3), an inner flow channel (5) is formed in an inner cavity of the inner nozzle (1), a middle flow channel (6) is formed between the middle nozzle (2) and the inner nozzle (1), an outer flow channel (7) is formed between the middle nozzle (2) and the outer nozzle (3), guide blocks (8) are respectively fixedly arranged in the inner flow channel (5), the middle flow channel (6) and the outer flow channel (7), and the guide blocks (8) are vertically arranged on the same vertical line;
The flow guide blocks (8) are divided into two blocks which are arranged at intervals, and the opposite surfaces of the two flow guide blocks (8) are curved surfaces, so that the direction of the changed flow direction of the fluid in each flow channel is consistent;
the inner surface of the inner nozzle (1) is fixedly provided with a pressurizing block (9) positioned on the right side of the flow guiding block (8), a first flow hole (10) is formed in the inner nozzle (1) and matched with the pressurizing block (9), and a second flow hole (11) is formed in the upper side and the lower side of the middle nozzle (2) and positioned on the right side of the flow guiding block (8).
2. The atomizing nozzle for producing coal water slurry according to claim 1, wherein: the width of the flow guide block (8) is smaller than the diameter of the corresponding flow channel.
CN202110922237.5A 2021-08-12 2021-08-12 Atomizing nozzle for producing coal water slurry Active CN113522550B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110922237.5A CN113522550B (en) 2021-08-12 2021-08-12 Atomizing nozzle for producing coal water slurry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110922237.5A CN113522550B (en) 2021-08-12 2021-08-12 Atomizing nozzle for producing coal water slurry

Publications (2)

Publication Number Publication Date
CN113522550A CN113522550A (en) 2021-10-22
CN113522550B true CN113522550B (en) 2024-05-31

Family

ID=78090925

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110922237.5A Active CN113522550B (en) 2021-08-12 2021-08-12 Atomizing nozzle for producing coal water slurry

Country Status (1)

Country Link
CN (1) CN113522550B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0268432A2 (en) * 1986-11-13 1988-05-25 National Research Council Of Canada An atomizing nozzle assembly
CN202137071U (en) * 2011-06-30 2012-02-08 神华集团有限责任公司 Gasification nozzle
CN102492479A (en) * 2011-12-28 2012-06-13 上海锅炉厂有限公司 Three-channel slurry fuel gasification burner
CN205035330U (en) * 2015-10-22 2016-02-17 中国石油大学(华东) Take inside and outside multistage gasification nozzle of coal slurry that mixes of three channels of swirler
CN212349165U (en) * 2020-03-20 2021-01-15 北京国利衡清洁能源科技(集团)有限公司 Gasifying agent and water mixed atomizing nozzle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0268432A2 (en) * 1986-11-13 1988-05-25 National Research Council Of Canada An atomizing nozzle assembly
CN202137071U (en) * 2011-06-30 2012-02-08 神华集团有限责任公司 Gasification nozzle
CN102492479A (en) * 2011-12-28 2012-06-13 上海锅炉厂有限公司 Three-channel slurry fuel gasification burner
CN205035330U (en) * 2015-10-22 2016-02-17 中国石油大学(华东) Take inside and outside multistage gasification nozzle of coal slurry that mixes of three channels of swirler
CN212349165U (en) * 2020-03-20 2021-01-15 北京国利衡清洁能源科技(集团)有限公司 Gasifying agent and water mixed atomizing nozzle

Also Published As

Publication number Publication date
CN113522550A (en) 2021-10-22

Similar Documents

Publication Publication Date Title
CN201900063U (en) Bubble atomizing nozzle
CN201900064U (en) Swirl atomizing nozzle
CN101332511B (en) Injection apparatus, injection molding atomizing chamber and injection molding method
CN103045306A (en) Coal water slurry bubble atomizing nozzle
CN102492479B (en) Three-channel slurry fuel gasification burner
CN203737461U (en) Large-flow impact type sprayer for denitration spraying gun
JP7231159B2 (en) METAL POWDER MANUFACTURING DEVICE AND METHOD FOR MANUFACTURING METAL POWDER
CN113522550B (en) Atomizing nozzle for producing coal water slurry
CN202447671U (en) Secondary-acceleration supersonic air-return-preventive atomizing nozzle with ring seams for preparing ultrafine metal powder
JP2017145442A (en) Metal powder production device
CN1752521A (en) Coal-water fluid gasifying spray nozzle
CN202786133U (en) Heavy oil catalytic cracking feeding atomizing nozzle
CN102619663B (en) Self-excited oscillation atomizing nozzle for oil injector of diesel engine
CN101274357B (en) Nozzle for atomizing water with air suitable for round billet continuous casting secondary cooling
KR101319028B1 (en) Water atomizing device for manufacturing metal powders
CN102430731A (en) Dual-swirl tangential outer mixed type water atomizing nozzle
CN101823935B (en) Quenching system applied to process of cracking coal by using plasma
CN201250178Y (en) Hollow glass microballoon burner
CN207699533U (en) Impacting type mixed aerosol device and combination atomization system
CN101105128A (en) Adjustable coal winning machine gas-water spraying device
CN207749078U (en) A kind of outer mixed streaming coal water slurry process burner
CN109207202B (en) Gasification furnace
CN101244411A (en) Self-cleaning nozzle for atomizing water with air
CN209778304U (en) sulfur gun nozzle of sulfur burner
CN213610763U (en) Composite pentane gasification mixing tank

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20240426

Address after: Room 1-306, Artificial Intelligence Industrial Park, No. 266 Chuangyan Road, Qilin Technology Innovation Park, Nanjing City, Jiangsu Province, 211135

Applicant after: Nanjing Lanye Technology Co.,Ltd.

Country or region after: China

Address before: 417000 No. 077, No. 9 residents group, No. 1 neighborhood committee, shichongkou Town, Xinhua County, Loudi City, Hunan Province

Applicant before: Cai Yanhua

Country or region before: China

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant