CN106871096A - A kind of environmentally friendly pressurized boiler - Google Patents
A kind of environmentally friendly pressurized boiler Download PDFInfo
- Publication number
- CN106871096A CN106871096A CN201710125069.0A CN201710125069A CN106871096A CN 106871096 A CN106871096 A CN 106871096A CN 201710125069 A CN201710125069 A CN 201710125069A CN 106871096 A CN106871096 A CN 106871096A
- Authority
- CN
- China
- Prior art keywords
- air
- environmentally friendly
- discharge duct
- combustion chamber
- brattice
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 238000007664 blowing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 238000003860 storage Methods 0.000 claims description 32
- 238000009423 ventilation Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010943 off-gassing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 15
- 239000007789 gas Substances 0.000 abstract description 12
- 239000002912 waste gas Substances 0.000 abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 239000007800 oxidant agent Substances 0.000 abstract description 4
- 230000001590 oxidative effect Effects 0.000 abstract description 4
- 230000000505 pernicious effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a kind of environmentally friendly pressurized boiler, boiler body including being provided with combustion chamber, combustion chamber is provided with air supply opening, air supply opening is provided with air feed equipment, combustion chamber is connected with discharge duct, discharge duct is provided with exhaust outlet, and the side wall of discharge duct is provided with for the brattice outlet toward air blowing in discharge duct.When using, allow brattice to export to be blown toward in discharge duct, so as to form brattice in blast pipe, the formation of brattice, the discharge of waste gas can be slowed down, the pressure rise thus allowed in combustion chamber, allow the fuel can the oxygen exhausted in air that fully Combustion Energy is tried one's best, the formation of brattice even can allow a part of waste gas to return in combustion chamber, if the oxynitrides with part in waste gas, these oxynitrides will carry out deoxidation reaction in combustion chamber as oxidant and fuel again, ultimately generate nitrogen, it is achieved thereby that reducing the discharge of pernicious gas.The present invention is used for boiler.
Description
Technical field
The present invention relates to a kind of environmentally friendly pressurized boiler.
Background technology
Boiler needs burning fuel, and when burning fuel, in the presence of high temperature, nitrogen and oxygen in air are easily sent out
Raw combination reaction, the oxynitrides that formation is polluted, and because the burn incompletely of fuel can produce a substantial amounts of oxidation
Carbon.Existing boiler is all difficult to solve this problem, because most cheap oxidant is exactly air, but nitrogen content in air is again
It is very high.In order to reduce oxynitrides, tail gas is allowed to meet discharge standard, many boiler for producing commercial cities have to reduce boiler
Fuel feed speed, lay multiple burning points, allow fuel to try one's best the oxygen exhausted in air, to reduce the product of oxynitrides
It is raw, but this can cause the efficiency of boiler to substantially reduce again.
Boiler needs constantly to supplement water constantly to produce steam, water to could be stored in water tank.Because the need of energy-conservation
Will, often recovered steam is condensed into temperature water storage higher in water tank, for the case of the water tank of boiler to present boiler
Interior pressure can change with the temperature change of water, existing water tank in order to avoid tank pressure it is excessive and under tank seal performance
Drop, leak, the situation of fried case occur, and existing water tank is all have normally opened steam vent, constant to ensure the pressure in water tank.But
It is loss that normally opened steam vent can cause heat, this just unusual not energy-conserving and environment-protective.
The content of the invention
The technical problem to be solved in the present invention is：A kind of boiler of the efficiency high of environmental protection is provided.
The present invention solve its technical problem solution be：
A kind of environmentally friendly pressurized boiler, including the boiler body of combustion chamber is provided with, combustion chamber is provided with air supply opening, and air supply opening is provided with
Air feed equipment, combustion chamber is connected with discharge duct, and discharge duct is provided with exhaust outlet, and the side wall of discharge duct is provided with for past
The brattice outlet blown in discharge duct, outgassing direction and the angle of the outgassing direction of discharge duct of brattice outlet be right angle or
Obtuse angle.
Used as the further improvement of such scheme, also including return air channel, the air inlet of return air channel is located at air feed equipment
The side of inner side, the gas outlet of return air channel is described brattice outlet.
Used as the further improvement of such scheme, return air channel is provided with electrically-controlled valve or hand-operated valve.
As the further improvement of such scheme, described air feed equipment, return air are provided with also including air supply pipe, in air supply pipe
The air inlet of passage is located on the tube wall of air supply pipe.
As the further improvement of such scheme, the tank body for being provided with water storage cavity, water storage cavity are connected with boiler body
Top be provided with relief tube, the both sides top that relief tube has downward curved segment, lower horizontal section is equipped with ventilation section, the two ventilations section
Connected with lower horizontal section in the both sides of lower horizontal section respectively, a ventilation section is connected with storage tank, another ventilation section is in communication with the outside.
Used as the further improvement of such scheme, the relief tube is in integrally inverted π fonts.
As the further improvement of such scheme, liquid level tube is provided with water storage cavity, the opening in liquid level tube is located under water originally
The top of body, is provided with called putting-into-type liquid level meter in liquid level tube.
Used as the further improvement of such scheme, the bottom of water storage cavity is back taper.
Used as the further improvement of such scheme, water storage cavity is integrally in cylinder.
Used as the further improvement of such scheme, the top of tank body is provided with water inlet, is provided with below water inlet and led
The cavity wall of water storage cavity is pointed in stream device, the water conservancy diversion direction of the air deflector, and the air deflector is tabular component or tubular element.
The beneficial effects of the invention are as follows：A kind of environmentally friendly pressurized boiler, including the boiler body of combustion chamber is provided with, on combustion chamber
Air supply opening is provided with, air supply opening is provided with air feed equipment, and combustion chamber is connected with discharge duct, and discharge duct is provided with exhaust outlet, arranged
The side wall of feed channel is provided with for the brattice outlet toward air blowing in discharge duct.When using, brattice is allowed to export toward discharge duct
The gas of the environment-protecting cleans such as air, inert gas is inside blown, so as to form brattice in blast pipe, the formation of brattice can slow down
The discharge of waste gas, the pressure rise thus allowed in combustion chamber, allow fuel can fully Combustion Energy try one's best exhaust air
Oxygen, the formation of brattice even can allow a part of waste gas to return in combustion chamber, if the oxynitrides with part in waste gas, this
A little oxynitrides will carry out deoxidation reaction in combustion chamber as oxidant and fuel again, ultimately generate nitrogen, so that real
The discharge for reducing pernicious gas is showed.And waste gas plays the role of to drop oxygen, can reduce the severe degree of the burning of fuel, so fires
The central temperature of material can just be reduced, and this is also beneficial to suppress the production of oxynitrides.The present invention is used for boiler.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the invention, rather than whole implementations
Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is the structural representation of boiler body of the invention；
Fig. 2 is the structural representation of tank body of the invention.
Specific embodiment
The technique effect of design of the invention, concrete structure and generation is carried out clearly below with reference to embodiment and accompanying drawing
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/annexations, not singly refer to that component directly connects, and refer to that can be added deduct by adding according to specific implementation situation
Lack couple auxiliary to constitute more excellent draw bail.Each technical characteristic in the present invention, in the premise of not conflicting conflict
Under can be with combination of interactions.
Referring to Figures 1 and 2, this is flabellum embodiment of the invention, specifically：
A kind of environmentally friendly pressurized boiler, including the boiler body of combustion chamber 1 is provided with, combustion chamber 1 is provided with air supply opening 2, on air supply opening 2
Air feed equipment 21 is provided with, combustion chamber 1 is connected with discharge duct 3, and discharge duct is provided with exhaust outlet, on the side wall of discharge duct 3
It is provided with for the brattice outlet 4 toward air blowing in discharge duct 3.When using, allow brattice to export and air, inertia are blown toward in discharge duct
The gas of the environment-protecting cleans such as gas, so as to form brattice in blast pipe, the formation of brattice can slow down the discharge of waste gas, this
The pressure rise that sample just allows in combustion chamber, allows the fuel can the oxygen exhausted in air that fully Combustion Energy is tried one's best, the formation of brattice
Even a part of waste gas can be allowed to return in combustion chamber, if oxynitrides and carbon monoxide with part in waste gas, these
Oxynitrides carries out deoxidation reaction in combustion chamber as oxidant and fuel again, ultimately generates nitrogen, and carbon monoxide will
Participate in burning as fuel, it is achieved thereby that reducing the discharge of pernicious gas.And waste gas plays the role of to drop oxygen, can reduce fuel
Burning severe degree, the central temperature of such fuel just can reduce, and this is also beneficial to the production of suppression oxynitrides.Wind
The outgassing direction of wall outlet 4 is right angle with the angle α of the outgassing direction of discharge duct 3.So ensure that tail gas can be returned
Flow in combustion chamber.
In order to simplify structure and reduce the production cost of user, the present embodiment also includes return air channel, and return air channel enters
Gas port is located at the side of the inner side of air feed equipment 21, and the gas outlet of return air channel is described brattice outlet 4.Brattice is so allowed to export
Air is blown in toward discharge duct.So air inflow and capacity are just equal, it is possible to carry out direct detection to waste gas.By a large amount of
Experiment, the structure of the present embodiment can be by the amount of nitrogen oxides reduction by more than 30% in tail gas.
For ease of the air quantity of regulation brattice outlet, return air channel is provided with electrically-controlled valve or hand-operated valve.
The present embodiment also includes air supply pipe, and described air feed equipment 21 is provided with air supply pipe, and the air inlet of return air channel sets
On the tube wall of air supply pipe.The setting of air supply pipe can give return air channel and provide enough air quantity.
Boiler is the efficiency for lifting boiler, is connected with the tank body for being provided with water storage cavity on boiler body, water storage cavity it is upper
Portion is provided with relief tube 30, and the both sides top that relief tube 30 has downward curved segment, lower horizontal section is equipped with ventilation section, the two ventilations section
Connected with lower horizontal section in the both sides of lower horizontal section respectively, a ventilation section is connected with storage tank, another ventilation section is in communication with the outside.
When using, water is added in lower horizontal section, sealing is played a part of to relief tube, when the air pressure in water storage cavity rises, air pressure meeting
The current direction of lower horizontal section and the extraneous ventilation section being connected are forced, until the original water in lower horizontal section flows completely out ventilation section so that
In water storage cavity and atmosphere, it is ensured that the safety of tank body, because the coolant-temperature gage in water storage cavity is higher, so in water storage cavity
Humidity is larger, and after the water of lower horizontal section is emptied, the vapor in water storage cavity passes through that during relief tube water can be condensed on tube wall, and
Condensed water can be also formed after the air for running into outside, due to necessarily there is turning between lower horizontal section and ventilation section, so condensed water
It is not easy to discharge relief tube, so lower horizontal section can slowly be full of condensed water again, the sealing of relief tube is realized again.Relief tube it is skilful
Wonderful setting, it is ensured that tank body safety, pressure are constant.Relief tube simple structure, with low cost, its life-span is also significantly larger than
Mechanically, the relief valve of electronic type, and mechanical and electronic type relief valve once failure, it will cause huge damage
Lose, once because water tank is blown, boiler can not in time supplement water, it is easy to there is fire and even explode.Air deflector 20 can be by
The inwall of water storage cavity is oriented into the water in water storage cavity, allows the water to be slid at leisure along the inwall of water storage cavity, it is to avoid existing water tank
Noise during moisturizing.
It is in inverted π fonts that the relief tube 30 of the present embodiment is overall, and lower horizontal section is u-shaped, two upper end difference of lower horizontal section
Prolong to form ventilation section toward left and right putting down, by the whole height or area of section that adjust relief tube itself, it is possible to achieve different pressures
Scope is precisely controlled.
In order to allow people to can know that the water level in water storage cavity, liquid level tube is provided with water storage cavity, the opening in liquid level tube is located at
The top of body, called putting-into-type liquid level meter is provided with liquid level tube 40 under water.The setting of liquid level tube, can avoid the fluctuation of the water surface and lead
The problem for causing measurement inaccurate.
For the ease of connection, the top of water inlet 110 is provided with flange.
In order to prevent the problem of local ponding, the bottom of water storage cavity is back taper, while the water storage cavity of back taper can be
During cleaning tank body, the water in water storage cavity is emptied to greatest extent.
In order to allow tank body uniform force, water storage cavity is integrally in cylinder.
Better embodiment of the invention is illustrated above, but the present invention is not limited to the embodiment,
Those of ordinary skill in the art can also make a variety of equivalent modifications or replacements on the premise of without prejudice to spirit of the invention, this
A little equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of environmentally friendly pressurized boiler, including it is provided with combustion chamber（1）Boiler body, combustion chamber（1）It is provided with air supply opening（2）,
Air supply opening（2）It is provided with air feed equipment（21）, combustion chamber（1）It is connected with discharge duct（3）, discharge duct（3）It is provided with exhaust
Mouthful, it is characterised in that：Discharge duct（3）Side wall be provided with for toward discharge duct（3）The brattice outlet of interior air blowing（4）, wind
Wall is exported（4）Outgassing direction and discharge duct（3）The angle of outgassing direction be right angle or obtuse angle.
2. a kind of environmentally friendly pressurized boiler according to claim 1, it is characterised in that：Also include return air channel, return air channel
Air inlet be located at air feed equipment（21）The side of inner side, the gas outlet of return air channel is described brattice outlet（4）.
3. a kind of environmentally friendly pressurized boiler according to claim 2, it is characterised in that：Return air channel is provided with electrically-controlled valve or hand
Dynamic valve.
4. a kind of environmentally friendly pressurized boiler according to claim 2, it is characterised in that：Also include air supply pipe, set in air supply pipe
There is described air feed equipment（21）, the air inlet of return air channel is located on the tube wall of air supply pipe.
5. a kind of environmentally friendly pressurized boiler according to claim 1, it is characterised in that：It is connected with boiler body and is provided with water storage
The tank body in chamber, the top of water storage cavity is provided with relief tube（30）, relief tube（30）With downward curved segment, on the both sides of lower horizontal section
Side is equipped with ventilation section, and the two ventilations section is connected in the both sides of lower horizontal section with lower horizontal section respectively, ventilation section and a storage tank
Connection, another ventilation section is in communication with the outside.
6. a kind of environmentally friendly pressurized boiler according to claim 5, it is characterised in that：The relief tube（30）Overall is in be inverted
π fonts.
7. a kind of environmentally friendly pressurized boiler according to claim 5, it is characterised in that：Liquid level tube is provided with water storage cavity（40）,
Liquid level tube（40）Interior opening is located at the top of body under water, liquid level tube（40）Inside it is provided with called putting-into-type liquid level meter.
8. a kind of environmentally friendly pressurized boiler according to claim 5, it is characterised in that：The bottom of water storage cavity is back taper.
9. a kind of environmentally friendly pressurized boiler according to claim 5, it is characterised in that：Water storage cavity is integrally in cylinder.
10. a kind of environmentally friendly pressurized boiler according to claim 5, it is characterised in that：The top of tank body is provided with into water
Mouthful（110）, water inlet（110）Lower section be provided with air deflector（20）, the air deflector（20）Water conservancy diversion direction point to water storage cavity
Cavity wall, the air deflector（20）It is tabular component or tubular element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125069.0A CN106871096A (en) | 2017-03-03 | 2017-03-03 | A kind of environmentally friendly pressurized boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125069.0A CN106871096A (en) | 2017-03-03 | 2017-03-03 | A kind of environmentally friendly pressurized boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106871096A true CN106871096A (en) | 2017-06-20 |
Family
ID=59169702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710125069.0A Pending CN106871096A (en) | 2017-03-03 | 2017-03-03 | A kind of environmentally friendly pressurized boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106871096A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156459Y (en) * | 1992-12-28 | 1994-02-16 | 陆维励 | Air flow controlled energy-saving device for industry furnace and kiln |
| CN2495914Y (en) * | 2001-08-29 | 2002-06-19 | 北京雄才技贸集团 | High efficiency, environmental protection and energy-saving coal boiler |
| CN2690461Y (en) * | 2004-04-27 | 2005-04-06 | 张石英 | Civil automatic water saving device |
| CN201145440Y (en) * | 2007-12-05 | 2008-11-05 | 刘庆田 | Solar storage water tank ventilation device |
| CN203431816U (en) * | 2013-08-09 | 2014-02-12 | 黄利强 | Environment-friendly boiler |
| CN205690387U (en) * | 2016-06-28 | 2016-11-16 | 艾欧史密斯(中国)热水器有限公司 | It is applied to entirely premix the smoke reflux device of boiler and entirely premix boiler |
| CN206572487U (en) * | 2017-03-03 | 2017-10-20 | 黄永乐 | A kind of environmentally friendly pressurized boiler |
-
2017
- 2017-03-03 CN CN201710125069.0A patent/CN106871096A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156459Y (en) * | 1992-12-28 | 1994-02-16 | 陆维励 | Air flow controlled energy-saving device for industry furnace and kiln |
| CN2495914Y (en) * | 2001-08-29 | 2002-06-19 | 北京雄才技贸集团 | High efficiency, environmental protection and energy-saving coal boiler |
| CN2690461Y (en) * | 2004-04-27 | 2005-04-06 | 张石英 | Civil automatic water saving device |
| CN201145440Y (en) * | 2007-12-05 | 2008-11-05 | 刘庆田 | Solar storage water tank ventilation device |
| CN203431816U (en) * | 2013-08-09 | 2014-02-12 | 黄利强 | Environment-friendly boiler |
| CN205690387U (en) * | 2016-06-28 | 2016-11-16 | 艾欧史密斯(中国)热水器有限公司 | It is applied to entirely premix the smoke reflux device of boiler and entirely premix boiler |
| CN206572487U (en) * | 2017-03-03 | 2017-10-20 | 黄永乐 | A kind of environmentally friendly pressurized boiler |
Non-Patent Citations (1)
| Title |
|---|
| 汪寿建: "《化工厂公用设施设计手册》", 北京：化学工业出版社 * |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |