CN206338784U - A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater - Google Patents
A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater Download PDFInfo
- Publication number
- CN206338784U CN206338784U CN201621322278.1U CN201621322278U CN206338784U CN 206338784 U CN206338784 U CN 206338784U CN 201621322278 U CN201621322278 U CN 201621322278U CN 206338784 U CN206338784 U CN 206338784U
- Authority
- CN
- China
- Prior art keywords
- saturation water
- steam
- fuel oil
- combustion gas
- heating
- 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.)
- Withdrawn - After Issue
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000000295 fuel oil Substances 0.000 title claims abstract description 22
- 239000000567 combustion gas Substances 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 239000002918 waste heat Substances 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002283 diesel fuel Substances 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000004945 emulsification Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- 239000008400 supply water Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
Combuster, waste heat recovery room are set in a kind of tubular modules group formula combustion gas disclosed in the utility model or fuel oil producing steam or saturation water circulating heater, including body, body and burner and exhaust opening are configured with body；Some tubular type modules are provided between combustion chamber and waste heat recovery room, waste-heat recoverer is provided with waste-heat recoverer, some tubular type modules, waste-heat recoverer, air reservoir or storage saturation water vat, internal circulation pump, the tube side of heat exchanger are interconnected to form an interior circulation heating arrangement by connecting pipe, and the shell side of heat exchanger, outer circulation pump, heating equipment are interconnected to form an external circulation heating structure by connecting pipe.The circulating-heating of steam (saturation water) of the present utility model, is preheating heating and temperature difference heating.There is no waste heat emission loss, than conventional gas (oil) steam boiler significantly energy-conservation be up to 50% and more than.
Description
Technical field
The utility model is related to the hydronic energy sources for heating equipment technical field of steam (saturation water), more particularly to a kind of
Tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater.
Background technology
Conventional gas (oil) steam boiler, the only heating surface of one side be heated, heating surface area is limited, the rate of heat addition also by
Limitation.Steam is sent to after heating equipment, and the steam and condensate mixture of cooling carry out carrying out after steam-water separation by steam trap
Waste heat is discharged.There is steam evacuation loss, temperature is down to less than 100 DEG C to condensate at ambient pressure.If reclaiming this partial coagulation
Water can only reclaim 80 DEG C or so of hot water, only account for the 10% of heat supply heat energy.In a word, produced by conventional gas (oil) steam boiler
Steam heating is unable to circulating-heating, the heat-energy losses that there is waste heat discharge.Conventional gas (oil) steam boiler can only produce saturation
Water vapour, it is impossible to produce saturation water.Conventional gas (oil) steam boiler heats to be static, there is potential safety hazard, need to individually build pot
Stove room, certain distance is kept, it is necessary to capital expenditure with heating equipment.
Utility model content
Technical problem to be solved in the utility model is above-mentioned present in existing combustion gas (oil) steam boiler
Technical problem and a kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater are provided, its steam is (full
And water) circulating-heating, be preheating heating and the temperature difference heating.There is no waste heat emission loss, than conventional gas (oil) steam boiler
Significantly energy-conservation be up to 50% and more than.
Technical problem to be solved in the utility model can be achieved through the following technical solutions：
A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater, including：
A combustion chamber, waste heat recovery room are provided with one body, the body and fuel oil combustion is configured with the body
Burner or gas burner and exhaust opening；
Some tubular type modules and the waste heat between the combustion chamber and waste heat recovery room that are arranged in the body
Waste-heat recoverer in recovery room, some tubular type modules, waste-heat recoverer, air reservoir or storage saturation water vat, internal circulation pump, heat
The tube side of exchanger is interconnected to form an interior circulation heating arrangement by connecting pipe；Also lead to flue gas in each tubular type module
And water；The heating medium that the interior circulation heating arrangement is produced is more than 100 DEG C of saturation water；The interior circulation heating arrangement leads to
Cross supply-water pump and connecting pipe connects the first supply tank；The shell side of the heat exchanger, outer circulation pump, heating equipment pass through even
Adapter road is interconnected to form an external circulation heating structure, the heating medium that the external circulation heating structure is produced for 100 DEG C with
On saturated vapor or more than 100 DEG C of saturation water；One second supply tank is also associated with the external circulation heating structure.
In a preferred embodiment of the present utility model, the first air-discharging is provided with the interior circulation heating arrangement
Mouthful.
In a preferred embodiment of the present utility model, set on the steam or saturation water external circulation heating structure
There is second row air scoop.
In a preferred embodiment of the present utility model, the liquid of certain altitude is controlled in the shell side of the heat exchanger
Position, leaves certain space for producing saturated vapor, to produce saturated vapor.
In a preferred embodiment of the present utility model, each tubular type module group is by coaxial inner tube, intermediate casing
Combined with outer tube, the outer wall of the outer tube and the endoporus of inner tube lead to flue gas, the outer wall and intermediate casing of said inner tube
Inwall between the water flowing between the outer wall of the intermediate casing and the inwall of the outer tube.
In a preferred embodiment of the present utility model, set between the outer wall of said inner tube and the inwall of intermediate casing
The first spiral stream guidance structure is equipped with, the second spiral is provided between the outer wall of the intermediate casing and the inwall of the outer tube
Flow-guiding structure.
In a preferred embodiment of the present utility model, the appearance between the outer wall of said inner tube and the inwall of intermediate casing
Product is less than 0.03m3, the volume between the outer wall of the intermediate casing and the inwall of outer tube is less than 0.03m3；The air reservoir or
The volume for storing up saturation water vat is less than 0.03m3, the internal diameter of the connecting pipe is less than 50mm, and the heat exchanger is by some internal diameters
Heat exchanger device less than 150mm is composed in parallel.
In a preferred embodiment of the present utility model, the fuel that the oil burner is used is diesel oil, methanol, water
Or alcohol diesel oil emulsification, one kind in oxygen-enriched combusting emulsification heavy oil or any two or more mixing.
In a preferred embodiment of the present utility model, the fuel that the gas burner is used be oil liquefied gas,
One kind or any two or more mixing in natural gas, coal gas.
In a preferred embodiment of the present utility model, the waste-heat recoverer be located at some tubular type modules with
Between the exhaust opening.
In a preferred embodiment of the present utility model, the internal circulation pump is magnetic drive pump or plunger pump.
In a preferred embodiment of the present utility model, when the heating medium that the external circulation heating structure is produced is
During more than 100 DEG C of saturation water, the outer circulation pump is magnetic drive pump or plunger pump.
In a preferred embodiment of the present utility model, when the heating medium that the external circulation heating structure is produced is
During more than 100 DEG C of saturated vapor, the outer circulation pump is single-stage low pressure impulse turbine formula steam circulation pump, single-stage low pressure
Reheating turbine formula steam circulation pump, single-stage back pressure turbine formula steam circulation pump, vapour compression machine formula steam are followed
One kind in ring pump.
As a result of technical scheme as above, the utility model is compared with existing combustion gas (oil) steam boiler, with such as
Lower advantage：
First, heating device is the tubular type module in tubular type module group by coaxial inner tube, intermediate casing and outer tube
Combine, the inner tube that the outer wall and diameter of outer tube are minimum walks heat smoke, and heating surface is the outer wall of outer tube and the wall of inner tube
Two faces are heated.Heating surface area brings up to 200% than the heating surface area of conventional gas (oil) steam boiler.The outer wall of inner tube and centre
Between the inwall of sleeve pipe, spiral stream guidance structure is provided between the inwall of the outer wall of intermediate casing and outer tube, increases heat-transfer area
Product.Increase substantially the rate of heat addition.
2nd, the utility model can produce saturated vapor can produce saturation water again.
3rd, the circulating-heating of steam (saturation water) of the present utility model, is preheating heating and temperature difference heating.There is no waste heat row
Put loss, than conventional gas (oil) steam boiler significantly energy-conservation be up to 50% and more than.
4th, the utility model is not belonging to being applicable in " extraordinary safe technology of pressure vessel Supervision Code " (TSG21-2016)
Scope, it is very safe, without being separately provided boiler room, save capital expenditure.Automaticity is higher, can be unattended, section
Cost of human resources is saved.
Brief description of the drawings
Fig. 1 is the group formula combustion gas of the utility model tubular modules or the signal of fuel oil producing steam or saturation water circulating heater
Figure.
Fig. 2 is the radial direction schematic diagram of the utility model tubular type module.
Fig. 3 is the axial sectional view of the utility model tubular type module.
Fig. 4 is the spiral stream guidance structure of the utility model first and the second spiral stream guidance structure expanded schematic diagram.
Embodiment
The tubular modules group formula combustion gas provided referring to Fig. 1 in figure or fuel oil producing steam or saturation water circulating heater, bag
Include and a combustion chamber 110, waste heat recovery room 130 are provided with a body 100, body 100 and fuel oil combustion is configured with body 100
Burner or gas burner 200 and exhaust opening 120.
Some tubular type modules 310 are provided between combustion chamber 110 and waste heat recovery room 130 in body 100, remaining
It is provided with waste-heat recoverer 320 in heat recovery chamber 130, some tubular type modules 310, air reservoir or storage saturation water vat 330, interior follows
Ring pump 340, the tube side of heat exchanger 350 are interconnected to form an interior circulation heating arrangement by connecting pipe；Some tubular types
Module 310 carries out also leading to flue gas and water in connection in series-parallel, each tubular type module 310.
The heating medium that interior circulation heating arrangement is produced is more than 100 DEG C of saturation water；Other interior circulation heating arrangement leads to
Cross supply-water pump 410 and connecting pipe connects a supply tank 420.Waste-heat recoverer 320 is located at some tubular type modules 310 and row
Between mouth 120.
The shell side of heat exchanger 350, outer circulation pump 360, heating equipment 370 are interconnected to form outside one by connecting pipe
Circulation heating structure, external circulation heating structure produce heating medium for more than 100 DEG C saturated vapor or more than 100 DEG C satisfy
And water；A supply tank 430 is also associated with external circulation heating structure.
Emptying gas port 380 is provided with interior circulation heating structure, is set on steam or saturation water external circulation heating structure
It is equipped with emptying gas port 390.Certain liquid level is controlled in the shell side of heat exchanger 350, certain generation saturated vapor is left
Space, to produce saturated vapor.
Referring to Fig. 2 to Fig. 4, each tubular type module 310 is by coaxial inner tube 311, intermediate casing 312 and outer tube 313
Combine, the endoporus of inner tube 311 leads to flue gas, between the outer wall of inner tube 311 and the inwall of intermediate casing 312 and intermediate casing
Water flowing between 312 outer wall and the inwall of outer tube 313.Set between the outer wall of inner tube 311 and the inwall of intermediate casing 312
There is spiral stream guidance structure 314, spiral stream guidance structure is provided between the outer wall of intermediate casing 312 and the inwall of outer tube 313
315。
Volume between the outer wall of inner tube 311 and the inwall of intermediate casing 312 is less than 0.03m3, intermediate casing 312 it is outer
Volume between the inwall of wall and outer tube 313 is less than 0.03m3；The internal diameter of outer tube 313 is less than 150mm.
Air reservoir or the single volume of storage saturation water vat 330 are less than 0.03m3, 2 or 2 more parallels are used.Connecting tube
The internal diameter in road is less than 50mm, and the heat exchanger device that heat exchanger 350 is less than 150mm by some internal diameters is composed in parallel.
The fuel that oil burner of the present utility model is used is diesel oil, methanol, water or alcohol diesel oil emulsification, oxygen-enriched combusting breast
Change one kind in heavy oil or any two or more mixing.The fuel that gas burner is used is oil liquefied gas, natural gas, coal
One kind or any two or more mixing in gas processed.
Internal circulation pump 340 of the present utility model is magnetic drive pump or plunger pump.When the heating that external circulation heating structure is produced is situated between
When matter is more than 100 DEG C of saturation water, outer circulation pump 360 is magnetic drive pump or plunger pump.When adding that external circulation heating structure is produced
When thermal medium is more than 100 DEG C of saturated vapor, outer circulation pump 360 be single-stage low pressure impulse turbine formula steam circulation pump,
Single-stage low pressure reheating turbine formula steam circulation pump, single-stage back pressure turbine formula steam circulation pump, vapour compression machine
One kind in formula steam circulation pump.
The utility model can be by adjusting the unit tubulose module number in tubular modules group 310, to adjust producing steam
(saturation water) quantity.
Operation principle of the present utility model is as follows：First turn on supply-water pump 410, into some tubular type modules 310 in
Between the outer wall of pipe 311 and the inwall of intermediate casing 312 between the outer wall of intermediate casing 312 and the inwall of outer tube 313, it is remaining
Heat regenerator 320, air reservoir or storage saturation water vat 330, internal circulation pump 340, the tube side of heat exchanger 350 are full of water, open simultaneously
Open emptying gas port 380 and drain air in interior circulation heating arrangement, form closed interior circulation heating arrangement.
It is then turned on the feed water valve on supply tank 430, the shell side of heat exchanger 350, the interlayer or coil pipe of heating equipment 370
Or tubulation and outer circulation pump 360 are full of water, while unlatching emptying gas port 380 drains the air in external circulation heating structure, shape
Into closed external circulation heating structure.If controlling the liquid level of certain altitude in the shell side of heat exchanger 350, a fixed output quota is left
The space of raw saturated vapor, to produce saturated vapor.
Start the water in oil burner or gas burner 200, heating internal-circulation heating arrangement, until forming 100 DEG C
Saturation water above, more than 100 DEG C of saturation water is recycled to the water progress heat exchange in the tube side and shell side of heat exchanger 350,
Water in the shell side of heat exchanger 350 is heated to more than 100 DEG C of saturation water or more than 100 DEG C of saturated vapor, more than 100 DEG C
Saturation water or more than 100 DEG C of saturated vapor the interlayer or coil pipe or tubulation of heating equipment 370 are delivered to by outer circulation pump 360
And circulating-heating, the waste heat discharge of steam-water separation formula is no longer carried out by steam trap.
The utility model uses 10 series and parallels of tubular type module 310 to adjust production saturation water yield for 0.25t/h.It is interior
Volume between the outer wall of pipe 311 and the inwall of intermediate casing 312 is with the outer wall of intermediate casing 312 and the inwall of outer tube 313
Between volume sum be 0.025m3, the internal diameter of outer tube 313 is 148mm.
Air reservoir stores up saturation water vat 330 for 0.025m3Two parallel connections, the internal diameter of connecting pipe is 48mm, heat exchanger
350 is in parallel for the long 6m of interior diameter 148mm 6 combinations of heat exchanger.Fuel used gas burner 200 is natural gas, is inside followed
Ring pump 340 and outer circulation pump 360 all use resistant to elevated temperatures plunger pump.
Claims (10)
1. a kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater, it is characterised in that including：
A combustion chamber, waste heat recovery room are provided with one body, the body and oil burner is configured with the body
Or gas burner and exhaust opening；
Some tubular type modules and the waste heat recovery between the combustion chamber and waste heat recovery room that are arranged in the body
Indoor waste-heat recoverer, some tubular type modules, waste-heat recoverer, air reservoir or storage saturation water vat, internal circulation pump, heat exchange
The tube side of device is interconnected to form an interior circulation heating arrangement by connecting pipe；In each tubular type module also lead to flue gas and
Water；The heating medium that the interior circulation heating arrangement is produced is more than 100 DEG C of saturation water；The interior circulation heating arrangement passes through
Supply-water pump and connecting pipe connect the first supply tank；The shell side of the heat exchanger, outer circulation pump, heating equipment pass through connection
Pipeline is interconnected to form an external circulation heating structure, and the heating medium that the external circulation heating structure is produced is more than 100 DEG C
Saturated vapor or more than 100 DEG C of saturation water；One second supply tank is also associated with the external circulation heating structure.
2. a kind of tubular modules group formula combustion gas as claimed in claim 1 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, being provided with first row air scoop on the interior circulation heating arrangement.
3. a kind of tubular modules group formula combustion gas as claimed in claim 2 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, being provided with second row air scoop on the steam or saturation water external circulation heating structure.
4. a kind of tubular modules group formula combustion gas as claimed in claim 1 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, controlling the liquid level of certain altitude in the shell side of the heat exchanger, certain sky for producing saturated vapor is left
Between, to produce saturated vapor.
5. a kind of tubular modules group formula combustion gas or fuel oil producing steam or full as described in any one of Claims 1-4 claim
With water circulation heater, it is characterised in that each tubular type module group is combined by coaxial inner tube, intermediate casing and outer tube
Form, the outer wall of the outer tube and the endoporus of said inner tube lead to flue gas, the outer wall of said inner tube and the inwall of intermediate casing it
Between the water flowing between the outer wall of the intermediate casing and the inwall of the outer tube.
6. a kind of tubular modules group formula combustion gas as claimed in claim 5 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, the first spiral stream guidance structure is provided between the outer wall of said inner tube and the inwall of intermediate casing, described
The second spiral stream guidance structure is provided between the inwall of the outer wall of intermediate casing and the outer tube.
7. a kind of tubular modules group formula combustion gas as claimed in claim 5 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, the volume between the outer wall of said inner tube and the inwall of intermediate casing is less than 0.03m3, the intermediate casing
Volume between outer wall and the inwall of outer tube is less than 0.03m3；The volume of the air reservoir or storage saturation water vat is less than 0.03m3,
The internal diameter of the connecting pipe is less than 50mm, and the heat exchanger is less than 150mm heat exchanger device and joint group by some internal diameters
Into.
8. a kind of tubular modules group formula combustion gas as claimed in claim 1 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, the fuel that the oil burner is used is diesel oil, methanol, water or alcohol diesel oil emulsification, oxygen-enriched combusting emulsification weight
One kind or any two or more mixing in oil；The fuel that the gas burner is used is oil liquefied gas, natural gas, coal
One kind or any two or more mixing in gas processed.
9. a kind of tubular modules group formula combustion gas as claimed in claim 1 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, the waste-heat recoverer is located between some tubular type modules and the exhaust opening.
10. a kind of tubular modules group formula combustion gas as claimed in claim 1 or fuel oil producing steam or saturation water circulating heater,
Characterized in that, the internal circulation pump is magnetic drive pump or plunger pump；When the heating medium that the external circulation heating structure is produced is
During more than 100 DEG C of saturation water, the outer circulation pump is magnetic drive pump or plunger pump；When adding that the external circulation heating structure is produced
When thermal medium is more than 100 DEG C of saturated vapor, the outer circulation pump be single-stage low pressure impulse turbine formula steam circulation pump,
Single-stage low pressure reheating turbine formula steam circulation pump, single-stage back pressure turbine formula steam circulation pump, vapour compression machine
One kind in formula steam circulation pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621322278.1U CN206338784U (en) | 2016-12-05 | 2016-12-05 | A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621322278.1U CN206338784U (en) | 2016-12-05 | 2016-12-05 | A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338784U true CN206338784U (en) | 2017-07-18 |
Family
ID=59308617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621322278.1U Withdrawn - After Issue CN206338784U (en) | 2016-12-05 | 2016-12-05 | A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765011A (en) * | 2016-12-05 | 2017-05-31 | 刘文治 | A kind of combustion gas of tubular modules group formula or fuel oil producing steam or saturation water circulating heater |
-
2016
- 2016-12-05 CN CN201621322278.1U patent/CN206338784U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765011A (en) * | 2016-12-05 | 2017-05-31 | 刘文治 | A kind of combustion gas of tubular modules group formula or fuel oil producing steam or saturation water circulating heater |
| CN106765011B (en) * | 2016-12-05 | 2019-05-14 | 刘文治 | A tubular modular type gas or oil fuel steam or saturated water circulating heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170718 Effective date of abandoning: 20190514 |