[go: up one dir, main page]

CN108534489A - A kind of heating device for fuel analysis - Google Patents

A kind of heating device for fuel analysis Download PDF

Info

Publication number
CN108534489A
CN108534489A CN201810272098.4A CN201810272098A CN108534489A CN 108534489 A CN108534489 A CN 108534489A CN 201810272098 A CN201810272098 A CN 201810272098A CN 108534489 A CN108534489 A CN 108534489A
Authority
CN
China
Prior art keywords
heating device
fuel analysis
babinet
pallet
air
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
Application number
CN201810272098.4A
Other languages
Chinese (zh)
Other versions
CN108534489B (en
Inventor
肖兵球
李冬军
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.)
Hunan Sundy Science and Technology Development Co Ltd
Original Assignee
Hunan Sundy Science and Technology Development 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 Hunan Sundy Science and Technology Development Co Ltd filed Critical Hunan Sundy Science and Technology Development Co Ltd
Priority to CN201810272098.4A priority Critical patent/CN108534489B/en
Publication of CN108534489A publication Critical patent/CN108534489A/en
Application granted granted Critical
Publication of CN108534489B publication Critical patent/CN108534489B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/04Heating arrangements using electric heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22Controlling the drying process in dependence on liquid content of solid materials or objects
    • F26B25/225Controlling the drying process in dependence on liquid content of solid materials or objects by repeated or continuous weighing of the material or a sample thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00Drying solid materials or objects by processes involving the application of heat
    • F26B3/28Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22Fuels; Explosives
    • G01N33/222Solid fuels, e.g. coal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

The invention discloses a kind of heating device for fuel analysis, including babinet, it is provided with pallet in the babinet, for placing the container for filling sample;The heating component for being heated to container and sample is additionally provided in the babinet and for air blast to form the blower chamber of air-flow in babinet.The heating device for fuel analysis of the present invention has many advantages, such as that simple in structure, testing efficiency is high, test is reliable and accurate.

Description

A kind of heating device for fuel analysis
Technical field
The invention mainly relates to analysis of coal sample technical fields, refer in particular to a kind of heating device for fuel analysis.
Background technology
It is needed the crucible for filling coal sample in solid fuel analysis field, such as coal sample in order to measure the moisture of coal sample It is placed in heating container, by heating devices heat, so that coal sample is reached certain temperature and keep, keep the moisture in coal sample quick Evaporation, to measure the content of wherein moisture.
It is optical wave heating moisture content tester to lead quick measurement moisture device to be used on the market at present, mainly passes through light Wave is irradiated in coal sample, so that coal sample is reached certain temperature and is kept.Make the moisture rapid evaporation in coal sample, to measure wherein water The content divided.
By existing technical research, it is found that existing optical wave heating moisture content tester has a disadvantage that:
1, since coal sample has certain thickness, light wave can only be irradiated to coal sample surface layer, and cannot be irradiated to coal sample inner layer, heat Inner layer can only be transmitted to by surface layer by free thermal diffusion, to cause inner layer coal sample rate of rise in temperature slow, moisture evaporation speed Degree is slow.Influence testing efficiency.
2, when coal sample temperature is more than assigned temperature, coal sample changes at branch, other than moisture, part other materials It can evaporate.Because test moisture is by comparing dry front and back quality difference value, if other materials are also volatilized away, It will influence moisture measurement content.And on light-wave irradiation to coal sample, coal sample skin temperature can be made to be difficult control, it is easy to more than setting Constant temperature degree, to influence moisture measurement content.
3, there is certain area in coal seam, has the light wave that part coal sample is irradiated more, has the light wave that part coal sample is irradiated few, irradiates Coal sample moisture evaporation more than light wave is fast, and the few coal sample water evaporation rate of light wave is slow.Because needing that all moisture is all evaporated, Therefore moisture measurement efficiency can be made low.
Invention content
The technical problem to be solved in the present invention is that:For technical problem of the existing technology, the present invention provides one Kind testing efficiency height, accurate testing are reliably used for the heating device of fuel analysis.
In order to solve the above technical problems, technical solution proposed by the present invention is:
A kind of heating device for fuel analysis, including babinet are provided with pallet in the babinet, are filled for placing The container of sample;It is additionally provided with the heating component for being heated to container and sample in the babinet and is used for air blast To form the blower chamber of air-flow in babinet.
As a further improvement of the above technical scheme:
The heating component includes optical wave tube, is located at container described in the top of the pallet and face.
The optical wave tube is annular light-wave pipe.
It is provided with shielding plate between the optical wave tube and the container.
The blower chamber includes air blower, is located at the lower section of the pallet.
The air outlet of the air blower is provided with the heater for being heated to air.
The heater is fin heater.
It is provided with blinker between the air blower and the pallet.
The pallet is connected with rotary drive assembly, for driving the pallet to rotate.
The rotary drive assembly is equipped with lifting drive component, and the lifting drive component is for driving the pallet Lower lifting.
The weigh assembly for weighing to container is provided with below the pallet.
The weigh assembly includes the gentle mandril in day, and the mandril is installed on the balance and container described in face.
The outside of the babinet is equipped with insulating layer.
The temperature detection part for detecting temperature is provided in the babinet.
Air exchange hole is offered on the babinet.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention the heating device for fuel analysis, when being tested, by heating component to cabinet wall with Sample carries out after quickly heating up to predetermined temperature, then forms air-flow by blower chamber air blast, is infiltrated into sample by air-flow Layer heats it, makes its moisture rapid evaporation;Otherwise for coal sample temperature in different zones because heating component heating is poor Temperature difference caused by different, the region coal sample that air-flow can also be excessively high to temperature cools down, and the region coal too low to temperature Sample heats, and makes coal sample temperature in different zones keep roughly equal or temperature rate-of-rise equal, to improve testing efficiency.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Figure label indicates:1, shell;2, babinet;201, insulating layer;202, air exchange hole;3, pallet;301, container; 4, heating component;401, optical wave tube;402, shielding plate;5, blower chamber;501, air blower;502, heater;503, blinker; 6, weigh assembly;601, balance;602, mandril;7, rotary drive assembly;8, drive component is lifted;801, shaft;9, temperature is examined Survey part.
Specific implementation mode
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1, the heating device for fuel analysis of the present embodiment, including shell 1 and babinet 2, babinet 2 are placed in In shell 1, pallet 3 is provided in babinet 2, for placing the container 301 for filling sample, wherein container 301 can be sample bottle, earthenware Crucible or oxygen bomb etc., sample are solid fuel, such as coal, are in the present embodiment crucible with container 301, sample is that coal is illustrated It illustrates;In addition it is additionally provided with the heating component 4 for being heated to container 301 and sample in babinet 2 and is used for Air blast in babinet 2 to form the blower chamber 5 of air-flow.When being tested, by heating component 4 to container 301 and sample It carries out after quickly heating up to predetermined temperature, then air-flow is formed by 5 air blast of blower chamber, coal sample internal layer pair is infiltrated by air-flow It is heated, its moisture rapid evaporation is made;Otherwise for coal sample temperature in different zones because heating component 4 heats difference and makes At temperature difference, the region coal sample that air-flow can be excessively high to temperature cools down, and the region coal sample heating too low to temperature, Coal sample temperature in different zones is set to keep roughly equal or temperature rate-of-rise equal, to improve testing efficiency.
In the present embodiment, pallet 3 is round tray 3, and crucible is then placed in the crucible hole of disk peripheral side;Heating component 4 Include then annular light-wave pipe 401, is located at the top of round tray 3 and each crucible of face.It is heated using optical wave tube 401, light Wave is radiated on 2 inner wall of coal sample and babinet, significantly can quickly improve coal sample skin temperature.In addition, in annular light-wave pipe 401 and earthenware It is provided with shielding plate 402 between crucible, light wave direct irradiation is avoided so that its cost is changed more than assigned temperature to coal sample.
In the present embodiment, blower chamber 5 includes air blower 501, and the quantity of air blower 501 is dry according to specific sample, sample Dry rate etc. determines;When air blower 501 quantity be it is multiple, can annularly be arranged in the lower section of pallet 3, wherein air blower 501 Air outlet upward;In addition to further quickly improving the air themperature in babinet 2, it is arranged in the air outlet of air blower 501 It is useful for the heater 502 (such as fin heater 502) heated to air, to 501 air outlet of air blower Air carries out fully quickly heating, to improve testing efficiency.In addition, being provided with blinker between air blower 501 and pallet 3 503, the air-flow for making the air-flow that air blower 501 is formed form uniform air flow in babinet 2, while air blower 501 also being avoided to blow out Blow-through coal sample and make coal sample blowout crucible and influence measuring accuracy.
In the present embodiment, the lower section of pallet 3 is provided with the weigh assembly 6 for weighing to container 301, specifically, Weigh assembly 6 includes balance 601 and mandril 602, and the wherein top of mandril 602 is opposite with a certain crucible hole on pallet 3, mandril 602 bottom end, which is then stretched out outside babinet 2, to be arranged on balance 601;In order to coordinate weigh assembly 6 to the coal sample in crucible before testing Weight afterwards measures, and pallet 3 is fixed on to one end of a shaft 801, and the other end of shaft 801 then stretches out babinet 2 and one Rotary drive assembly 7 (such as driving motor) is connected, and when driving motor rotates, shaft 801 is driven to rotate, to make pallet 3 rotate. Wherein driving motor is installed on a lifting drive component 8 (such as telescopic oil cylinder, cylinder), by lifting the upper of drive component 8 It is lower flexible, to realize the oscilaltion of pallet 3.Certainly, one end of shaft 801 can also directly with lifting 8 phase of drive component Even, then by lifting drive component 8 it is mounted on rotary drive assembly 7.When being weighed, rotary-tray 3 first, by pallet 3 The upper surface for needing the crucible that measures to turn to mandril 602, then by entire pallet 3 toward declining, by mandril 602 by crucible It jacks up and is detached from pallet 3, to realize that the automatic of crucible is weighed, by testing dry front and back crucible weight, thus automatic Go out moisture test result.Wherein balance 601, lifting drive component 8 and rotary drive assembly 7 are respectively positioned between babinet 2 and shell 1 Cavity in.
In the present embodiment, the outside of babinet 2 is equipped with insulating layer 201, avoids heat loss;In addition it is opened on babinet 2 Equipped with air exchange hole 202, make in babinet 2 air and outside air have it is certain exchange, ensure that moisture is smoothly distributed to outside.
In the present embodiment, the temperature detection part 9 for detecting temperature is provided in babinet 2, for the temperature in babinet 2 It is monitored in real time, to control the heating power of optical wave tube 401, avoiding it from quickly heating causes coal sample to be more than specified Temperature;Heater 502 can also be controlled simultaneously, it is more than predetermined threshold value to avoid the air themperature in babinet 2, improves test The reliability of work.
When being tested, since optical wave heating speed is fast, early period by light wave to surface layer coal sample and 2 inner wall of babinet into After row quickly heats up to set temperature, then optical wave heating power is reduced, avoids coal sample temperature overshot;Phase after a test reduces light Wave heating power, air blower 501 coordinate heater 502, improve entire air themperature in babinet 2, and form air-flow with equilibrium Each regional temperature improves testing efficiency.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention Range.

Claims (15)

1. a kind of heating device for fuel analysis, which is characterized in that including babinet (2), support is provided in the babinet (2) Disk (3), for placing the container (301) for filling sample;It is additionally provided with for container (301) and sample in the babinet (2) The heating component (4) that is heated and for air blast to form the blower chamber (5) of air-flow in babinet (2).
2. the heating device according to claim 1 for fuel analysis, which is characterized in that heating component (4) packet Optical wave tube (401) is included, container (301) described in the top of the pallet (3) and face is located at.
3. the heating device according to claim 2 for fuel analysis, which is characterized in that the optical wave tube (401) is Annular light-wave pipe.
4. the heating device according to claim 2 for fuel analysis, which is characterized in that the optical wave tube (401) with It is provided with shielding plate (402) between the container (301).
5. the heating device as claimed in any of claims 1 to 4 for fuel analysis, which is characterized in that described Blower chamber (5) includes air blower (501), is located at the lower section of the pallet (3).
6. the heating device according to claim 5 for fuel analysis, which is characterized in that the air blower (501) Air outlet is provided with the heater (502) for being heated to air.
7. the heating device according to claim 6 for fuel analysis, which is characterized in that the heater (502) is Fin heater.
8. the heating device according to claim 5 for fuel analysis, which is characterized in that the air blower (501) with It is provided with blinker (503) between the pallet (3).
9. the heating device as claimed in any of claims 1 to 4 for fuel analysis, which is characterized in that described Pallet (3) is connected with rotary drive assembly (7), for driving the pallet (3) to rotate.
10. the heating device according to claim 9 for fuel analysis, which is characterized in that the rotary drive assembly (7) it is equipped with lifting drive component (8), the lifting drive component (8) is for driving the pallet (3) oscilaltion.
11. the heating device according to claim 10 for fuel analysis, which is characterized in that under the pallet (3) Side is provided with the weigh assembly (6) for weighing to container (301).
12. the heating device according to claim 11 for fuel analysis, which is characterized in that the weigh assembly (6) Including balance (601) and mandril (602), the mandril (602) is installed on the balance (601) and container described in face (301)。
13. the heating device as claimed in any of claims 1 to 4 for fuel analysis, which is characterized in that described The outside of babinet (2) is equipped with insulating layer (201).
14. the heating device as claimed in any of claims 1 to 4 for fuel analysis, which is characterized in that described The temperature detection part (9) for detecting temperature is provided in babinet (2).
15. the heating device as claimed in any of claims 1 to 4 for fuel analysis, which is characterized in that described Air exchange hole (202) is offered on babinet (2).
CN201810272098.4A 2018-03-29 2018-03-29 Heating device for be used for fuel analysis Active CN108534489B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810272098.4A CN108534489B (en) 2018-03-29 2018-03-29 Heating device for be used for fuel analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810272098.4A CN108534489B (en) 2018-03-29 2018-03-29 Heating device for be used for fuel analysis

Publications (2)

Publication Number Publication Date
CN108534489A true CN108534489A (en) 2018-09-14
CN108534489B CN108534489B (en) 2024-02-02

Family

ID=63481908

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810272098.4A Active CN108534489B (en) 2018-03-29 2018-03-29 Heating device for be used for fuel analysis

Country Status (1)

Country Link
CN (1) CN108534489B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110967276A (en) * 2018-09-30 2020-04-07 上海育语智能科技有限公司 Electronic dust-falling cylinder
CN111256448A (en) * 2020-02-10 2020-06-09 周倩倩 A balanced type Wulingzhi condensing traditional Chinese medicine dryer

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2261025Y (en) * 1996-07-30 1997-08-27 董桂芳 Infrared moisture teller
US6227041B1 (en) * 1998-09-17 2001-05-08 Cem Corporation Method and apparatus for measuring volatile content
CN2520504Y (en) * 2002-01-31 2002-11-13 国电环境保护研究所 Instrument for quick analysis of total moisture of coal
CN102507628A (en) * 2011-09-21 2012-06-20 清华大学 High-temperature protective clothing testing experiment system based on thermal manikin
CN102937546A (en) * 2012-06-26 2013-02-20 湖南三德科技发展有限公司 Horizontally-rotating type coal sample rapid dehumidifying device with dynamic moisture detection function
CN103033436A (en) * 2011-09-30 2013-04-10 梅特勒-托利多公开股份有限公司 Measuring device for gravimetric moisture determination
CN203534081U (en) * 2013-10-25 2014-04-09 湖南三德科技股份有限公司 Blowing hot air penetrating dry box
CN106370696A (en) * 2016-09-12 2017-02-01 西安科技大学 Temperature programmed coal oxidation experimental facility
CN208091110U (en) * 2018-03-29 2018-11-13 湖南三德科技股份有限公司 A kind of heating device for fuel analysis

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2261025Y (en) * 1996-07-30 1997-08-27 董桂芳 Infrared moisture teller
US6227041B1 (en) * 1998-09-17 2001-05-08 Cem Corporation Method and apparatus for measuring volatile content
CN2520504Y (en) * 2002-01-31 2002-11-13 国电环境保护研究所 Instrument for quick analysis of total moisture of coal
CN102507628A (en) * 2011-09-21 2012-06-20 清华大学 High-temperature protective clothing testing experiment system based on thermal manikin
CN103033436A (en) * 2011-09-30 2013-04-10 梅特勒-托利多公开股份有限公司 Measuring device for gravimetric moisture determination
CN102937546A (en) * 2012-06-26 2013-02-20 湖南三德科技发展有限公司 Horizontally-rotating type coal sample rapid dehumidifying device with dynamic moisture detection function
CN203534081U (en) * 2013-10-25 2014-04-09 湖南三德科技股份有限公司 Blowing hot air penetrating dry box
CN106370696A (en) * 2016-09-12 2017-02-01 西安科技大学 Temperature programmed coal oxidation experimental facility
CN208091110U (en) * 2018-03-29 2018-11-13 湖南三德科技股份有限公司 A kind of heating device for fuel analysis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110967276A (en) * 2018-09-30 2020-04-07 上海育语智能科技有限公司 Electronic dust-falling cylinder
CN111256448A (en) * 2020-02-10 2020-06-09 周倩倩 A balanced type Wulingzhi condensing traditional Chinese medicine dryer

Also Published As

Publication number Publication date
CN108534489B (en) 2024-02-02

Similar Documents

Publication Publication Date Title
CN209020401U (en) A kind of low temperature impact test box
CN105954143B (en) A kind of automation coal total moisture measuring device
CN202177561U (en) Automatic moisture tester capable of simultaneously detecting a plurality of types
CN108534489A (en) A kind of heating device for fuel analysis
CN204064843U (en) A kind of lift far infrared drying drimeter
CN208091110U (en) A kind of heating device for fuel analysis
CN205879950U (en) Constant temperature detection dish of medical biochemical detection appearance
CN117589629A (en) Multi-station tobacco shred moisture detector and moisture detection method
CN202453308U (en) Asphalt softening point tester
CN105067657B (en) A kind of iron ore sintering hot properties detection device and its detection method
CN205761253U (en) A kind of novel thermostat water bath
CN207798602U (en) A kind of drimeter for seed
CN108037151A (en) A kind of hot melt adhesive softening point tester
CN112212909A (en) Instrument temperature and humidity tester
CN206375906U (en) A kind of gene detection reagent heating apparatus
CN107036927A (en) A kind of soil's water content rapid test method
CN207570957U (en) A moisture meter
CN201837572U (en) Rapid moisture meter
CN206523373U (en) A kind of Marshall tester with temperature control
CN106248526A (en) The determinator of a kind of metallurgical material high temperature viscosity and method
CN210465194U (en) Device for quickly measuring moisture of material by microwave
CN222028118U (en) Cone plate viscosity measuring device
CN207610999U (en) A hot melt adhesive softening point tester
CN210293965U (en) A tunnel-type drying experiment equipment
US2604392A (en) Apparatus for determination of aniline point

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
GR01 Patent grant
GR01 Patent grant