CN101922864A - Waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises - Google Patents
Waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises Download PDFInfo
- Publication number
- CN101922864A CN101922864A CN2010102920217A CN201010292021A CN101922864A CN 101922864 A CN101922864 A CN 101922864A CN 2010102920217 A CN2010102920217 A CN 2010102920217A CN 201010292021 A CN201010292021 A CN 201010292021A CN 101922864 A CN101922864 A CN 101922864A
- Authority
- CN
- China
- Prior art keywords
- heat
- working fluid
- low boiling
- boiling working
- coal gas
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises. The waste heat recycling system comprises a primary loop system and a secondary loop system, wherein the primary loop system adopts heat accumulating type heat exchangers to recover the waste heat of pure low temperature coal gas, and the heat is transferred to the secondary loop system through a heat accumulating type evaporator and is used for driving a turbine. By adopting a two-fluid, two-loop and two-heat accumulation energy recovery mode distributed heat sources are recovered by two heat exchange processes of different fluids and centralized heat accumulating type heat exchangers so that the heat energy of distributed low temperature coal gas, which has unstable temperature and flow, is recovered to form heat energy with stable parameters so as to power the turbine to drive a driven machine, and the heat energy can be fully recycled to avoid the waste of energy. The invention is particularly suitable for recovery of waste heat of a distributed heat source, and provides a reliable technical means for fully utilizing the waste heat resource of pure low temperature coal gas from iron and steel enterprises and realizing energy saving and emission reduction.
Description
Technical field
The present invention relates to a kind of device, particularly a kind of device to iron and steel enterprise's pure low temperature coal gas heat recovery to iron and steel enterprise's used heat using energy source.
Background technology
Distributed low temperature coal gas source of the gas ubiquity comparatively in iron and steel enterprise, because thermal source distributes, the heat energy of low temperature coal gas is often because heat source temperature and flow are difficult for stablizing, hot source point comparatively disperses not have effective technical means not to be fully utilized.The heat recovery that the technology content that also only is confined in the prior art warm oneself or the like is lower is used.And in iron and steel enterprise, follow a large amount of matter and energy dischargings in the manufacturing process, there is more energy waste phenomenon.In China, the overall rate of recovery of existing iron and steel enterprise residual heat resources only about 25.8% is comprising the heat recovery of pure low temperature coal gas; And above recovery ratio is far from reaching due recovery ratio, therefore, and the possibility of in fact containing many minimizings in the production process, utilizing, recycle again.
Simultaneously, in the modern steel enterprise, in the specific implementation process of energy-saving and emission-reduction, except optimizing and the construction of energy network management center, improving the maximization of equipment, improving the utilization rate that has secondary energy sources and residual heat resources now also is the aspect of outbalance.
Therefore, need a kind of device to iron and steel enterprise's distributed pure low temperature coal gas heat recovery, the waste heat of pure low temperature coal gas well can be reclaimed and is utilized, and can overcome the temperature of low temperature coal gas and flow is difficult for problem stable, that hot source point comparatively disperses, make the heat energy parameter stability after the recovery.
Summary of the invention
In view of this, the purpose of this invention is to provide distributed pure low temperature coal gas heat recovery system of a kind of iron and steel enterprise, the waste heat of pure low temperature coal gas well can be reclaimed and is utilized, and can overcome the temperature of low temperature coal gas and flow is difficult for problem stable, that hot source point comparatively disperses, make the heat energy parameter stability after the recovery.
Distributed pure low temperature coal gas heat recovery system of iron and steel enterprise of the present invention comprises primary circuit system and secondary circuit system;
Described primary circuit system comprises the heat accumulating type evaporimeter that the heat regenerator that is used to absorb pure low temperature coal gas waste heat heat and thermal medium and heat regenerator by circulation carry out heat exchange; Described heat regenerator is at least one; The thermal medium outlet of described heat accumulating type evaporimeter is provided with the thermal medium circulating pump that thermal medium is delivered to heat regenerator;
The secondary circuit system be included in the heat accumulating type evaporimeter with thermal medium carry out heat exchange the low boiling working fluid closed circuit, be positioned at the turbine that be connected in series in the outlet of heat accumulating type evaporimeter low boiling working fluid on the low boiling working fluid closed circuit and export the low boiling working fluid circulating pump of low boiling working fluid being delivered to the heat accumulating type evaporimeter that is connected in series at the turbine low boiling working fluid.
Further, the connection of the thermal medium of described heat accumulating type evaporimeter inlet is provided with the buffer container I, and described buffer container I is communicated with the outlet of heat regenerator thermal medium; The thermal medium outlet connection of described heat accumulating type evaporimeter is provided with the buffer container II, and described buffer container II is communicated with the thermal medium pump inlet;
Further, between outlet of heat accumulating type evaporimeter low boiling working fluid and turbine low boiling working fluid inlet, also be serially connected with gas-liquid separator on the low boiling working fluid closed circuit;
Further, between outlet of turbine low boiling working fluid and low boiling working fluid circulating pump, be serially connected with condenser on the low boiling working fluid closed circuit;
Further, be serially connected with fluid reservoir between outlet of the low boiling working fluid of described condenser and the low boiling working fluid circulating pump, the leakage fluid dram of described gas-liquid separator is communicated in fluid reservoir;
Further, the thermal medium of each heat regenerator exports to conflux and be communicated in the buffer container I to the outlet header; The low boiling working fluid circulating-pump outlet is communicated in the thermal medium inlet of heat regenerator respectively by enter the mouth arm one to one of the thermal medium with each heat regenerator.
The invention has the beneficial effects as follows: distributed pure low temperature coal gas heat recovery system of iron and steel enterprise of the present invention, adopt primary circuit system and secondary circuit system, and in conjunction with the regenerative heat-exchange pattern, realize the energy recovery mode of " duplexing matter+double loop+two accumulation of heats ", reclaim the thermal source heat that disperses by the heat transfer process of twice different working medium and a plurality of heat accumulating type devices of concentrating, make temperature and instability of flow, distributing comparatively, the energy recovery of the low temperature coal gas of dispersion is the heat of parameter stability, thereby can drive turbine and drive driven machine, heat energy is fully recycled, avoided the waste of the energy, more be adapted to the waste heat recovery of distributed thermal source, for iron and steel enterprise of iron and steel enterprise pure low temperature coal gas residual heat resources make full use of and realize that energy-saving and emission-reduction provide reliable technique means preferably.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Accompanying drawing is a schematic flow sheet of the present invention.
The specific embodiment
Accompanying drawing is a schematic flow sheet of the present invention, and as shown in the figure: the distributed pure low temperature coal gas heat recovery system of iron and steel enterprise of present embodiment comprises primary circuit system and secondary circuit system;
Described primary circuit system comprises the heat accumulating type evaporimeter 3 that the heat regenerator 1 that is used to absorb pure low temperature coal gas waste heat heat and thermal medium and heat regenerator 1 by circulation carry out heat exchange; Described heat regenerator 1 is at least one; The thermal medium outlet of described heat accumulating type evaporimeter 3 is provided with the thermal medium circulating pump 5 that thermal medium is delivered to heat regenerator 1; In the present embodiment, thermal medium adopts heat kerosene; Heat accumulating type evaporimeter 1 can be for a plurality of according to the needs of the distribution situation of on-the-spot pure low temperature coal gas source of the gas;
The secondary circuit system be included in the heat accumulating type evaporimeter 3 with thermal medium carry out heat exchange the low boiling working fluid closed circuit, be positioned at the turbine 7 that be connected in series in the outlet of heat accumulating type evaporimeter 3 low boiling working fluids on the low boiling working fluid closed circuit and export the low boiling working fluid circulating pump 11 of low boiling working fluid being delivered to heat accumulating type evaporimeter 3 that is connected in series at turbine 7 low boiling working fluids; As shown in the figure, turbine 7 is used to drive driven machine 8, and driven machine 8 can be machineries such as pump, generator; Heat accumulating type evaporimeter 3 and heat regenerator 1 are the structure of carrying out heat exchange indirectly;
As shown in the figure, primary circuit system and secondary circuit system install the necessary control valve respectively in the front and back of equipment, adapt to and arts demand.
The present invention adopts the heat-exchanging loop system twice, can be good at cushioning the unstable phenomenon of systematic parameter that the heat fluctuation causes, simultaneously, adopt the regenerative heat-exchange pattern, heat transfer process is stable, further make systematic parameter stable, the waste heat of the bigger pure low temperature coal gas of parameter fluctuations such as temperature, flow is fully used.
In the present embodiment, the connection of the thermal medium of described heat accumulating type evaporimeter 3 inlet is provided with buffer container I 2, and described buffer container I 2 is communicated with the outlet of heat regenerator 1 thermal medium; The thermal medium outlet connection of described heat accumulating type evaporimeter 3 is provided with buffer container II 4, and described buffer container II 4 is communicated with 5 imports of thermal medium circulating pump; Adopt buffer container to cushion, reduce the flow and the pressure oscillation of thermal medium, it is more abundant to make that thermal medium mixes, and temperature index is more uniform and stable.
In the present embodiment, between outlet of heat accumulating type evaporimeter 3 low boiling working fluids and turbine 7 low boiling working fluids inlet, also be serially connected with gas-liquid separator 6 on the low boiling working fluid closed circuit; Prevent that liquid from having influence on the steady running of turbine 7, gas-liquid separator 6 also has certain pooling feature simultaneously, guarantees the stability of low boiling working fluid.
In the present embodiment, between outlet of turbine 7 low boiling working fluids and low boiling working fluid circulating pump 11, be serially connected with condenser 9 on the low boiling working fluid closed circuit; Making the medium that enters low boiling working fluid circulating pump 11 is liquid, prevents that finding time from appearring in low boiling working fluid circulating pump 11 and the problem that causes the loop to be blocked.
In the present embodiment, be serially connected with fluid reservoir 10 between outlet of the low boiling working fluid of described condenser 9 and the low boiling working fluid circulating pump 11, the leakage fluid dram of described gas-liquid separator is communicated in fluid reservoir; Can storaging liquid, guarantee the normal operation of low boiling working fluid circulating pump 11.
In the present embodiment, the outlet of the thermal medium of each heat regenerator 1 is confluxed and be communicated in buffer container I 2 to the outlet header; Low boiling working fluid circulating pump 5 outlet is communicated in the thermal medium inlet of heat regenerator 1 respectively by enter the mouth arm one to one of the thermal medium with each heat regenerator 1; System layout is simply compact, and floor space is little.
The present invention in the running, the primary circuit system: the low temperature heat kerosene that comes out from thermal medium circulating pump 5 enters heat regenerator 1, after heating up with the pure low temperature coal gas indirect heat exchange respectively, buffer container I 2 is discharged and is pooled in thermal medium outlet by heat regenerator 1, enter heat accumulating type evaporimeter 3 from what buffering container I 2 was discharged, the high temperature heat kerosene enters buffer container II 4 in heat accumulating type evaporimeter 2 with after the low boiling working fluid heat exchange cooling, finish a circulation thereby deliver to heat regenerator 1 from the low temperature heat kerosene that buffering container II 4 is discharged by thermal medium circulating pump 5.The secondary circuit system: the liquid low boiling working fluid of discharging from low boiling working fluid circulating pump 11 enters heat accumulating type evaporimeter 3, heat up with the heat kerosene indirect heat exchange and to enter gas-liquid separator 6 after the gasification, isolated gaseous state low boiling working fluid escapes and enter turbine 7 actings through gas-liquid separator 6 gas vents, weary gas after the acting enters condenser 9 after discharging by the gas outlet of turbine 7, weary gas is cooled into liquid back and escapes and enter fluid reservoir 10 from the leakage fluid dram of condenser 9 in condenser 9, deliver to heat accumulating type evaporimeter 3 and finish a circulation thereby enter low boiling working fluid circulating pump 11 from the liquid low boiling working fluid that fluid reservoir 10 is discharged.Discharge after the side import of fluid reservoir 10 enters into fluid reservoir from the leakage fluid dram of gas-liquid separator 6 from the liquid low boiling working fluid that gas-liquid separator 6 separates; Meanwhile turbine is passed to slave equipment with power.
Because heat regenerator has the function of heat exchange and accumulation of heat concurrently, the setting of this equipment can greatly reduce the influence to heat kerosene primary circuit system coal gas side heat transfer characteristic of gas temperature and instability of flow, keeps heat kerosene stable in pure low temperature coal gas heat regenerator exit temperature.Simultaneously, the heat accumulating type evaporimeter has the dual-use function of heat exchange and accumulation of heat concurrently, can reduce the influence of heat kerosene temperature fluctuation to the low boiling working fluid heat exchange effectively.Therefore, gas temperature and instability of flow can be eliminated to the influence of low boiling working fluid intensification gasification property by this pure low temperature coal gas heat recovery system, satisfy the strict demand of turbine to inlet condition.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment to technical scheme of the present invention or/and be equal to replacement, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. a distributed pure low temperature coal gas heat recovery system of iron and steel enterprise is characterized in that: comprise primary circuit system and secondary circuit system;
Described primary circuit system comprises the heat accumulating type evaporimeter that the heat regenerator that is used to absorb pure low temperature coal gas waste heat heat and thermal medium and heat regenerator by circulation carry out heat exchange; Described heat regenerator is at least one; The thermal medium outlet of described heat accumulating type evaporimeter is provided with the thermal medium circulating pump that thermal medium is delivered to heat regenerator;
The secondary circuit system be included in the heat accumulating type evaporimeter with thermal medium carry out heat exchange the low boiling working fluid closed circuit, be positioned at the turbine that be connected in series in the outlet of heat accumulating type evaporimeter low boiling working fluid on the low boiling working fluid closed circuit and export the low boiling working fluid circulating pump of low boiling working fluid being delivered to the heat accumulating type evaporimeter that is connected in series at the turbine low boiling working fluid.
2. distributed pure low temperature coal gas heat recovery system of iron and steel enterprise according to claim 1, it is characterized in that: the thermal medium inlet connection of described heat accumulating type evaporimeter is provided with the buffer container I, and described buffer container I is communicated with the outlet of heat regenerator thermal medium; The thermal medium outlet connection of described heat accumulating type evaporimeter is provided with the buffer container II, and described buffer container II is communicated with the thermal medium pump inlet.
3. distributed pure low temperature coal gas heat recovery system of iron and steel enterprise according to claim 2 is characterized in that: also be serially connected with gas-liquid separator on the low boiling working fluid closed circuit between outlet of heat accumulating type evaporimeter low boiling working fluid and turbine low boiling working fluid inlet.
4. according to distributed pure low temperature coal gas heat recovery system of the described iron and steel enterprise of the arbitrary claim of claim 1 to 3, it is characterized in that: between outlet of turbine low boiling working fluid and low boiling working fluid circulating pump, be serially connected with condenser on the low boiling working fluid closed circuit.
5. distributed pure low temperature coal gas heat recovery system of iron and steel enterprise according to claim 4, it is characterized in that: be serially connected with fluid reservoir between the low boiling working fluid outlet of described condenser and the low boiling working fluid circulating pump, the leakage fluid dram of described gas-liquid separator is communicated in fluid reservoir.
6. distributed pure low temperature coal gas heat recovery system of iron and steel enterprise according to claim 5 is characterized in that: the thermal medium outlet of each heat regenerator is confluxed and be communicated in the buffer container I to the outlet header; The low boiling working fluid circulating-pump outlet is communicated in the thermal medium inlet of heat regenerator respectively by enter the mouth arm one to one of the thermal medium with each heat regenerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102920217A CN101922864A (en) | 2010-09-26 | 2010-09-26 | Waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102920217A CN101922864A (en) | 2010-09-26 | 2010-09-26 | Waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101922864A true CN101922864A (en) | 2010-12-22 |
Family
ID=43337945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102920217A Pending CN101922864A (en) | 2010-09-26 | 2010-09-26 | Waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101922864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620571A (en) * | 2012-04-10 | 2012-08-01 | 上海瑞恩能源投资有限公司 | Waste-heat power generating system in smelting process of rotary kiln and ore-smelting electric furnace |
| CN107905859A (en) * | 2017-11-08 | 2018-04-13 | 中科合肥煤气化技术有限公司 | A kind of high temperature heating gas waste heat recovery generating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58124796U (en) * | 1982-02-18 | 1983-08-25 | 住友金属工業株式会社 | Exhaust heat recovery device |
| US4422297A (en) * | 1980-05-23 | 1983-12-27 | Institut Francais Du Petrole | Process for converting heat to mechanical power with the use of a fluids mixture as the working fluid |
| JPH03100307A (en) * | 1989-09-13 | 1991-04-25 | Hisaka Works Ltd | Supplying method for non-azeotropic mixed medium |
| JPH10317918A (en) * | 1997-05-20 | 1998-12-02 | Ebara Corp | Energy recovery method from combustible |
| JP2003227313A (en) * | 2002-02-01 | 2003-08-15 | Sumitomo Metal Ind Ltd | Method of operating exhaust heat recovery power generation system |
| CN101509472A (en) * | 2008-07-23 | 2009-08-19 | 昆明理工大学 | Disperse type low-temperature solar thermal power generation system and power generation technique |
-
2010
- 2010-09-26 CN CN2010102920217A patent/CN101922864A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422297A (en) * | 1980-05-23 | 1983-12-27 | Institut Francais Du Petrole | Process for converting heat to mechanical power with the use of a fluids mixture as the working fluid |
| JPS58124796U (en) * | 1982-02-18 | 1983-08-25 | 住友金属工業株式会社 | Exhaust heat recovery device |
| JPH03100307A (en) * | 1989-09-13 | 1991-04-25 | Hisaka Works Ltd | Supplying method for non-azeotropic mixed medium |
| JPH10317918A (en) * | 1997-05-20 | 1998-12-02 | Ebara Corp | Energy recovery method from combustible |
| JP2003227313A (en) * | 2002-02-01 | 2003-08-15 | Sumitomo Metal Ind Ltd | Method of operating exhaust heat recovery power generation system |
| CN101509472A (en) * | 2008-07-23 | 2009-08-19 | 昆明理工大学 | Disperse type low-temperature solar thermal power generation system and power generation technique |
Non-Patent Citations (1)
| Title |
|---|
| 《石油化工设备》 1981 钱伯章 日本中、低温余热发电的动向 , 第06期 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620571A (en) * | 2012-04-10 | 2012-08-01 | 上海瑞恩能源投资有限公司 | Waste-heat power generating system in smelting process of rotary kiln and ore-smelting electric furnace |
| CN107905859A (en) * | 2017-11-08 | 2018-04-13 | 中科合肥煤气化技术有限公司 | A kind of high temperature heating gas waste heat recovery generating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106765448A (en) | A kind of energy-saving heating system for reducing heat supply return water temperature | |
| CN106705185A (en) | Energy-saving heat supply system with function of reducing temperature of heat supply return water | |
| CN206352906U (en) | A kind of exhaust steam direct-absorption type lithium bromide heat pump system | |
| CN102519288A (en) | Method for transporting energy of gas-liquid two-phase flow | |
| CN104857903A (en) | Chemical heat pump unit containing reactive distillation column and tandem exothermic reactors | |
| CN205002378U (en) | Oil field sewage waste heat recovery system | |
| CN114808029B (en) | Thermal management adjusting system for alkaline water electrolysis hydrogen production and adjusting method thereof | |
| CN201199118Y (en) | Novel energy-saving refrigeratory | |
| CN202304070U (en) | Jet refrigerating unit adopting lightweight plate-fin heat exchanger | |
| CN115233256A (en) | Temperature control system for electrolytic cell for hydrogen production by water electrolysis | |
| CN203518324U (en) | Waste heat recovering system | |
| CN101922864A (en) | Waste heat recycling system of distributed pure low temperature coal gas from iron and steel enterprises | |
| CN111189099B (en) | Efficient heating system for ground heating engineering for developing and utilizing pumping and filling type geothermal water | |
| CN110642675B (en) | Energy-saving process for preparing methanol from coal | |
| CN216845195U (en) | Steam condensate heat energy recovery integrated device | |
| CN210601566U (en) | High-low temperature double-loop heat supply system of polyester device | |
| CN110953916B (en) | Efficient waste heat recovery system and method for air compressor | |
| CN210400105U (en) | Unpowered phase change cooling system | |
| CN209512151U (en) | Heating system | |
| CN102435014A (en) | Jet heat pump unit using light plate-fin heat exchanger | |
| CN111998711A (en) | System for recovering sensible heat of industrial small-unit material by utilizing high-temperature and low-temperature double-circulation technology | |
| CN218934513U (en) | Polyester tower top low-pressure steam waste heat power generation system | |
| CN215571373U (en) | External hanging type heat pump system | |
| CN219868597U (en) | Multi-heat source second-class absorption heat pump | |
| CN204357507U (en) | A kind of steam turbine of thermal power plant bootstrap system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20101222 |