CN108800090A - The main stove of biomass evaporator - Google Patents
The main stove of biomass evaporator Download PDFInfo
- Publication number
- CN108800090A CN108800090A CN201810661055.5A CN201810661055A CN108800090A CN 108800090 A CN108800090 A CN 108800090A CN 201810661055 A CN201810661055 A CN 201810661055A CN 108800090 A CN108800090 A CN 108800090A
- Authority
- CN
- China
- Prior art keywords
- heat conducting
- conducting pipe
- heat
- water
- ring body
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
- F22B37/30—Steam-separating arrangements using impingement against baffle separators
Abstract
The present invention provides a kind of main stoves of biomass evaporator, belong to field of mechanical technique.It solves the problems, such as that existing Boiler Steam water content is larger.The main stove of this biomass evaporator includes the upper bracket with air collecting chamber and the undersetting with water collection chamber, upper bracket side is equipped with exhaust outlet, undersetting side is equipped with water inlet, more heat conducting pipes are vertically fixed between upper bracket and undersetting, heat conducting pipe both ends are each passed through air collecting chamber and water collection chamber and are in communication with the outside, it is arranged outside heat conducting pipe and is fixed with finned tube, annular gap is formed between finned tube and heat conducting pipe, annular gap both ends are connected to air collecting chamber and water collection chamber respectively, it is also arranged outside heat conducting pipe and is fixed with drip ring, drip ring is located above annular gap and in air collecting chamber, drip ring is faced with annular gap, discharge outlet is additionally provided on upper bracket, water blocking ring position is higher than discharge outlet position, and water blocking ring position is less than vent position.The present invention has the advantages that steam water content is small.
Description
Technical field
The invention belongs to energy conservation and environmental protection fields, are related to a kind of biomass evaporator, especially a kind of biomass evaporator
Main stove.
Background technology
A kind of main stove of existing biomass evaporator thimble-tube boiler as disclosed in Chinese patent library【Application number：
2006100168949】Including water pump, combustion chamber, hydroecium, furnace base, outlet flue, water inlet, hot water or steam (vapor) outlet, burning
It is provided with Heat Room above room and hydroecium, heat smoke merging chamber and hot water steam chest are provided with above Heat Room；In Heat Room
It is inside provided with the vertical casing being longitudinally evenly arranged, casing is made of inner and outer tubes, and outer tube is cased in the outside of inner tube, interior
There are gap between pipe outer wall and outer tube wall, water, vapour channel are constituted, hydroecium passes through the water that is formed between inner and outer pipe, vapour channel
It is connected with hot water steam chest；Combustion chamber is connected by inner tube with heat smoke merging chamber；It is provided in the central part of Heat Room
Semi-open type central tube, heat smoke merging chamber are connected by semi-open type central tube with Heat Room, and Heat Room is connected with outlet flue.
Above-mentioned boiler by forming the gap for flowing water between the inner and outer pipe sections, since gap is smaller, in this way
The evaporation rate of water can be effectively improved.But the boiler still has a problem that：It can contain from the steam that gap upper end is discharged
There is part moisture content, since corresponding water-retaining structure is not arranged on boiler, causes the water content for the steam being finally discharged larger.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of master of biomass evaporator
The technical issues of stove, solution is the water content how reduced in steam.
Object of the invention can be realized by the following technical scheme：The main stove of biomass evaporator, including with gas collection
The upper bracket of chamber and undersetting with water collection chamber, the side of upper bracket, which is equipped with, makes the exhaust outlet that air collecting chamber is in communication with the outside, and
Undersetting side, which is equipped with, makes the water inlet that water collection chamber is in communication with the outside, and is vertically fixed between the upper bracket and undersetting more
The both ends of root heat conducting pipe, heat conducting pipe are each passed through air collecting chamber and water collection chamber and are in communication with the outside, and are arranged outside every heat conducting pipe
And be fixed with finned tube, form annular gap between finned tube and heat conducting pipe, and the both ends of annular gap respectively with air collecting chamber and
Water collection chamber is connected to, which is characterized in that drip ring is also cased with outside the heat conducting pipe described in every, drip ring is located above annular gap
And in the air collecting chamber, and drip ring is faced with the annular gap, be additionally provided on the upper bracket make air collecting chamber with
The discharge outlet of external world's connection, the position of the drip ring is higher than the position of discharge outlet, and the position of drip ring is less than exhaust outlet
Position；The drip ring is made of rubber ring, upper ring body and lower ring body, and upper ring body, rubber ring and lower ring body, which are sleeved on, leads
Heat pipe is outer and three is sequentially distributed from top to bottom, and the upper ring body is fixedly connected with heat conducting pipe, the both ends of rubber ring respectively with it is upper
Ring body and lower ring body are fixedly connected with, and lower ring body can sliding axially along heat conducting pipe.
In use, the high-temperature flue gas that biomass combustion generates is entered by heat conduction infratubal port, and eventually by heat conducting pipe
Upper port is discharged；Water is entered by water inlet in water collection chamber, then into annular gap；Water flows in annular gap
During, it is changed into water vapour with the tube wall contact heat of heat conducting pipe, water vapour rises into air collecting chamber, then passes through
Exhaust outlet is discharged.
During water vapour is expelled to air collecting chamber from annular gap, it can collide with drip ring, at this point, in water vapour
Water can move downward, gas can turn and continue up, to realize preferable gas-water separation effect, come reduce water steam
Water content in vapour.
Under the blocking of drip ring, the part water in water vapour can re-enter into annular gap and with high temperature contact into
Promoting the circulation of qi, to improve the utilization rate of water.
It is kept off down by drip ring and is gathered in the water in air collecting chamber and can be discharged by discharge outlet.
In the main stove of above-mentioned biomass evaporator, locating slot, upper ring are equipped in the both ends of the surface of the rubber ring
Body and lower ring body are respectively engaged in two locating slots, and upper ring body and lower ring body are mutually solid with rubber ring by cohesive mode
Even.
In the main stove of above-mentioned biomass evaporator, the madial wall of the rubber ring and the lateral wall phase of heat conducting pipe
Match, and the madial wall of rubber ring and the lateral wall of heat conducting pipe recline and form sealing.
In the main stove of above-mentioned biomass evaporator, the outer diameter of the drip ring is more than the internal diameter of finned tube.
In the main stove of above-mentioned biomass evaporator, this main stove further includes water pump, and the entrance of water pump by pipeline with
The discharge outlet connection.
The water in air collecting chamber is actively extracted by water pump, has the advantages that drainage efficiency is high, to effectively avoid ponding mistake
It is influence normal exhaust more, to improve the stability that main furnaceman makees.
In the main stove of above-mentioned biomass evaporator, a portion heat conducting pipe is distributed in a circumferential direction and this part
Heat conducting pipe forms heat-conducting unit one, and another part heat conducting pipe is also distributed in a circumferential direction and this part heat conducting pipe forms heat conduction list
Member two, the two concentric setting of the heat-conducting unit one and heat-conducting unit；The water collection chamber is annular in shape and is located at heat-conducting unit
Between one and heat-conducting unit two, the lower end of the annular gap is in closed, and being equipped on every finned tube makes annular gap
The water inlet being connected to water collection chamber, and all water inlets are faced with water collection chamber.
In the main stove of above-mentioned biomass evaporator, the heat conduction in heat conducting pipe and heat-conducting unit two in heat-conducting unit one
Pipe is staggeredly located out.
It using above-mentioned design, enables water to equivalent and enters in annular gap, it is ensured that each annular gap is handled
The water of amount makes the water conversion ratio in each annular gap keep identical in order to control adjustment, to make in reduction water vapour
The purpose of water content, which is stablized, to be realized.
Compared with prior art, the main stove of this biomass evaporator has the advantage that：
1, it during water vapour is expelled to air collecting chamber from annular gap, can collide with drip ring, at this point, water vapour
In water can move downward, gas can turn and continue up, to realize preferable gas-water separation effect, to reduce water
Water content in steam.
2, under the blocking of drip ring, the part water in water vapour can re-enter into annular gap and and high temperature contact
Gasify, to improve the utilization rate of water.
3, the water in air collecting chamber is actively extracted by water pump, has the advantages that drainage efficiency is high, to effectively avoid ponding
It is excessive to influence normal exhaust, to improve the stability that main furnaceman makees.
4, drip ring is made of upper ring body, rubber ring and lower ring body, and using the elasticity of rubber ring, to colliding drip ring
Water vapour works as a buffer, and to reduce the kinetic energy of water vapour, the water in vapor is made to be easier to fall off in uphill process, to
Further decrease the water content in water vapour.
Description of the drawings
Fig. 1 is the structural schematic diagram of the main stove of this biomass evaporator.
Fig. 2 is the schematic cross-sectional view of the main stove of this biomass evaporator.
Fig. 3 is the enlarged structure schematic diagram at A in Fig. 2.
Fig. 4 is the positional structure schematic diagram of water collection chamber, heat conducting pipe and finned tube.
Fig. 5 is the enlarged structure schematic diagram at B in Fig. 4.
Fig. 6 is the structural schematic diagram of drip ring.
In figure, 1, upper bracket；1a, air collecting chamber；1b, discharge outlet；2, undersetting；2a, water collection chamber；3, heat conducting pipe；4, fin
Pipe；4a, water inlet；5, drip ring；5a, rubber ring；5b, upper ring body；5c, lower ring body；6, water pump；7, exhaust pipe；8, water inlet pipe；
9, annular gap；10, pipeline.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figures 1 to 5, the main stove of this biomass evaporator by upper bracket 1, undersetting 2, heat conducting pipe 3, finned tube 4,
The compositions such as drip ring 5, water pump 6.Wherein, heat conducting pipe 3 is made from a material that be thermally conductive, and Heat Conduction Material can be brass, stainless steel etc..
Specifically, there is in upper bracket 1 air collecting chamber 1a, and offered on the side wall of upper bracket 1 and make air collecting chamber 1a and outer
The exhaust outlet of boundary's connection.There is water collection chamber 2a, and 2 side of undersetting is equipped with water collection chamber 2a is made to be in communication with the outside in undersetting 2
Water inlet.In the present embodiment, exhaust ports are equipped with the exhaust pipe 7 being connected to the exhaust outlet；Water inlet is equipped with and is somebody's turn to do
The water inlet pipe 8 of water inlet connection.
Heat conducting pipe 3 is in straight tube-like and is vertically arranged between upper bracket 1 and undersetting 2.The upper end of heat conducting pipe 3 passes through gas collection
The lower end of chamber 1a, heat conducting pipe 3 pass through water collection chamber 2a, and at this point, the both ends of heat conducting pipe 3 are in communication with the outside.The upper end of heat conducting pipe 3
It is connected respectively with upper bracket 1 and the sealing of undersetting 2 with lower end.
Heat conducting pipe 3 has more, and as shown in Figure 1 and Figure 4, a portion heat conducting pipe 3 is distributed in a circumferential direction and this portion
Heat conducting pipe 3 is divided to form heat-conducting unit one, another part heat conducting pipe 3 is also distributed in a circumferential direction and this part heat conducting pipe 3 forms
Heat-conducting unit two.The two concentric setting of heat-conducting unit one and heat-conducting unit；Water collection chamber 2a is annular in shape and is located at one He of heat-conducting unit
Between heat-conducting unit two.The heat conducting pipe 3 in heat conducting pipe 3 and heat-conducting unit two in heat-conducting unit one is staggeredly located out.
As shown in Figure 4 and Figure 5, it is cased with finned tube 4 outside every heat conducting pipe 3, the top and bottom of finned tube 4 are respectively inserted in
In air collecting chamber 1a and water collection chamber 2a, and the top and bottom of finned tube 4 are connected with upper bracket 1 and the sealing of undersetting 2 respectively.Fin
Annular gap 9 is formed between pipe 4 and heat conducting pipe 3, and the both ends of annular gap 9 are connected to air collecting chamber 1a and water collection chamber 2a respectively.
In the present embodiment, the lower end of annular gap 9 is in closed, and being equipped on every finned tube 4 makes annular gap 9 and water collection chamber 2a
The water inlet 4a of connection, and all water inlet 4a are faced with water collection chamber 2a.
As shown in Figures 2 and 3, drip ring 5 is cased with outside every heat conducting pipe 3, drip ring 5 is in 9 top of annular gap simultaneously
In air collecting chamber 1a, and at this point, drip ring 5 is faced with annular gap 9.It further illustrates, the outer diameter of drip ring 5 is more than wing
The internal diameter of piece pipe 4, to improve the water blocking effect of drip ring 5.
In the present embodiment, as shown in fig. 6, drip ring 5 is made of rubber ring 5a, upper ring body 5b and lower ring body 5c.Upper ring
Body 5b, rubber ring 5a and lower ring body 5c are sleeved on outside heat conducting pipe 3 and three is sequentially distributed from top to bottom.Upper ring body 5b and heat conducting pipe
3 are fixedly connected with；The both ends of rubber ring 5a are fixedly connected with upper ring body 5b and lower ring body 5c respectively, the madial wall and heat conducting pipe of rubber ring 5a
3 lateral wall matches, and the lateral wall of the madial wall of rubber ring 5a and heat conducting pipe 3 reclines and forms sealing；Lower ring body 5c energy
Along sliding axially for heat conducting pipe 3.
Wherein, the connection type of rubber ring 5a, upper ring body 5b and lower ring body 5c three are specific as follows：The both ends of rubber ring 5a
Locating slot is equipped on face, upper ring body 5b and lower ring body 5c are respectively engaged in two locating slots, and upper ring body 5b and lower ring body 5c
It is fixedly connected with by cohesive mode and rubber ring 5a.
As shown in Fig. 2, being additionally provided with the discharge outlet 1b for making air collecting chamber 1a be connected to the external world, the position of drip ring 5 on upper bracket 1
Higher than the position of discharge outlet 1b, and the position of drip ring 5 is less than the position of exhaust outlet.Water pump 6 is located at 2 side of undersetting, and water
The entrance of pump 6 is connected to by pipeline 10 with discharge outlet 1b.
In use, the high-temperature flue gas that biomass combustion generates is entered by 3 lower port of heat conducting pipe, and eventually by heat conducting pipe
3 upper ports are discharged；Water is entered by water inlet pipe 8 in water collection chamber 2a, then into annular gap 9；Water is in annular gap 9
During interior flowing, it is changed into water vapour with the tube wall contact heat of heat conducting pipe 3, water vapour rises into air collecting chamber 1a
It is interior, then it is discharged by exhaust pipe 7.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
- Include the upper bracket with air collecting chamber and the undersetting with water collection chamber 1. the main stove of biomass evaporator, upper bracket Side, which is equipped with, makes the exhaust outlet that air collecting chamber is in communication with the outside, and undersetting side is equipped with makes the water inlet that water collection chamber is in communication with the outside Mouthful, be vertically fixed more heat conducting pipes between the upper bracket and undersetting, the both ends of heat conducting pipe be each passed through air collecting chamber and Water collection chamber is simultaneously in communication with the outside, and is arranged and is fixed with finned tube outside every heat conducting pipe, formed between finned tube and heat conducting pipe Annular gap, and the both ends of annular gap are connected to air collecting chamber and water collection chamber respectively, which is characterized in that the heat conducting pipe described in every Outer to be also cased with drip ring, drip ring is located above annular gap and in air collecting chamber, and between drip ring and the annular Gap faces, and the discharge outlet for making air collecting chamber be connected to the external world is additionally provided on the upper bracket, and the position of the drip ring is high In the position of discharge outlet, and the position of drip ring is less than the position of exhaust outlet；The drip ring by rubber ring, upper ring body and under Ring body forms, and upper ring body, rubber ring and lower ring body are sleeved on outside heat conducting pipe and three is sequentially distributed from top to bottom, the upper ring Body is fixedly connected with heat conducting pipe, and the both ends of rubber ring are fixedly connected with upper ring body and lower ring body respectively, and lower ring body can be along heat conducting pipe It slides axially.
- 2. the main stove of biomass evaporator according to claim 1, which is characterized in that in the both ends of the surface of the rubber ring It is equipped with locating slot, upper ring body and lower ring body are respectively engaged in two locating slots, and upper ring body and lower ring body are by cohesive Mode is fixedly connected with rubber ring.
- 3. the main stove of biomass evaporator according to claim 2, which is characterized in that the madial wall of the rubber ring and The lateral wall of heat conducting pipe matches, and the madial wall of rubber ring and the lateral wall of heat conducting pipe recline and form sealing.
- 4. the main stove of biomass evaporator according to claim 1 or 2 or 3, which is characterized in that outside the drip ring Diameter is more than the internal diameter of finned tube.
- 5. the main stove of biomass evaporator according to claim 1 or 2 or 3, which is characterized in that this main stove further includes water Pump, and the entrance of water pump is connected to by pipeline with the discharge outlet.
- 6. the main stove of biomass evaporator according to claim 1 or 2 or 3, which is characterized in that a portion heat conducting pipe It is distributed in a circumferential direction and this part heat conducting pipe forms heat-conducting unit one, another part heat conducting pipe is also distributed in a circumferential direction And this part heat conducting pipe forms heat-conducting unit two, the two concentric setting of the heat-conducting unit one and heat-conducting unit；The collection Water cavity is annular in shape and positioned at heat-conducting unit one and heat-conducting unit two between, and the lower end of the annular gap is in closed, every The water inlet for making annular gap be connected to water collection chamber is equipped on finned tube, and all water inlets are faced with water collection chamber.
- 7. the main stove of biomass evaporator according to claim 5, which is characterized in that heat conducting pipe in heat-conducting unit one and Heat conducting pipe in heat-conducting unit two is staggeredly located out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661055.5A CN108800090B (en) | 2018-06-25 | 2018-06-25 | Main furnace of biomass evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810661055.5A CN108800090B (en) | 2018-06-25 | 2018-06-25 | Main furnace of biomass evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800090A true CN108800090A (en) | 2018-11-13 |
| CN108800090B CN108800090B (en) | 2020-03-31 |
Family
ID=64070778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810661055.5A Active CN108800090B (en) | 2018-06-25 | 2018-06-25 | Main furnace of biomass evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108800090B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116447576A (en) * | 2023-06-14 | 2023-07-18 | 兴隆县鹏生热力有限公司 | Steam boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09257208A (en) * | 1996-03-25 | 1997-09-30 | Ebara Res Co Ltd | Cylindrical once-through boiler |
| JPH11132404A (en) * | 1997-10-31 | 1999-05-21 | Miura Co Ltd | Water-tube boiler |
| CN2874140Y (en) * | 2006-02-15 | 2007-02-28 | 宝山钢铁股份有限公司 | Main shaft lubricating water blocking ring device |
| CN101082447A (en) * | 2006-05-31 | 2007-12-05 | 朴显泽 | Casing tube boiler |
| CN205261505U (en) * | 2015-12-22 | 2016-05-25 | 潘爱文 | High frequency hot water, dual -purpose generator of vapour |
-
2018
- 2018-06-25 CN CN201810661055.5A patent/CN108800090B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09257208A (en) * | 1996-03-25 | 1997-09-30 | Ebara Res Co Ltd | Cylindrical once-through boiler |
| JPH11132404A (en) * | 1997-10-31 | 1999-05-21 | Miura Co Ltd | Water-tube boiler |
| CN2874140Y (en) * | 2006-02-15 | 2007-02-28 | 宝山钢铁股份有限公司 | Main shaft lubricating water blocking ring device |
| CN101082447A (en) * | 2006-05-31 | 2007-12-05 | 朴显泽 | Casing tube boiler |
| CN205261505U (en) * | 2015-12-22 | 2016-05-25 | 潘爱文 | High frequency hot water, dual -purpose generator of vapour |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116447576A (en) * | 2023-06-14 | 2023-07-18 | 兴隆县鹏生热力有限公司 | Steam boiler |
| CN116447576B (en) * | 2023-06-14 | 2023-08-18 | 兴隆县鹏生热力有限公司 | Steam boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108800090B (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207945693U (en) | A kind of condensing exchanger exhaust pipe for gas heater | |
| CN104406143B (en) | A kind of vacuum compression high-temperature boiler and the method allowing steam heat up | |
| CN108800090A (en) | The main stove of biomass evaporator | |
| CN204084860U (en) | A kind of exhaust heat recovery structure of condensing gas wall hanging stove | |
| CN203539096U (en) | Tunnel-type rice noodle roll furnace | |
| CN201926121U (en) | Horizontal type condensing normal pressure hot water boiler | |
| CN208431739U (en) | A kind of steam generator | |
| CN202287754U (en) | Water vapor waste heat recovery device | |
| CN203866058U (en) | Vacuum solar water distiller with plug-in copper water heating tubes | |
| CN104523144B (en) | Integral type soybean milk furnace with flue gas residual heat recycling function | |
| CN208365831U (en) | Fuel vapor low-carbon vacuum boiler | |
| CN204574068U (en) | Gas heating stove chimney | |
| CN109028136A (en) | A kind of high temperature water circle device of energy-saving gas boiler | |
| CN206073671U (en) | A kind of Chinese medicinal material drying barn hot blast burner hearth | |
| CN205373039U (en) | Hot oil tank heat exchanger of heat pump | |
| CN205351263U (en) | Vapor generator | |
| CN204460713U (en) | Efficient heating stove | |
| CN203586546U (en) | Water heater heated by conduction oil | |
| CN204285409U (en) | A kind of vacuum compression high-temperature boiler | |
| CN105890164A (en) | Hot blast stove | |
| CN205332155U (en) | Two heating source steam generator | |
| CN218510928U (en) | Energy saver for wall-mounted gas stove | |
| CN203053266U (en) | Heat exchanger | |
| CN205448253U (en) | Pressure -fired high temperature goes out plant specimen of water | |
| CN209655591U (en) | New type heat exchanger |
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: 20200310 Address after: 325002 Room 802, 8 / F, Zhejiang South agricultural and sideline products center market (zone 4), Jinxiu Road, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Wenzhou Shengzhao Industrial Design Co., Ltd. Address before: 311400 Jinqiao North Road, Fuchun street, Fuyang District, Hangzhou, Zhejiang, China (Feilong Technology Co., Ltd.), 364 Applicant before: Yu Yanjun |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |