CN207350800U - Coal for producing gloves changes gas boiler heat circulating system - Google Patents
Coal for producing gloves changes gas boiler heat circulating system Download PDFInfo
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- CN207350800U CN207350800U CN201721394905.7U CN201721394905U CN207350800U CN 207350800 U CN207350800 U CN 207350800U CN 201721394905 U CN201721394905 U CN 201721394905U CN 207350800 U CN207350800 U CN 207350800U
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Abstract
The utility model discloses change gas boiler heat circulating system, including hot oil boiler, expansion drum, heating equipment, oil storage tank and gs-oil separator for producing the coal of gloves；The deep fat oil outlet end of the hot oil boiler connects the deep fat oil inlet end of the heating equipment by the first oil pipe；The cold oil oil outlet end of the heating equipment connects the oil inlet end of the gs-oil separator by the second oil pipe；The outlet side of the gs-oil separator connects the oil pocket bottom of chamber of the expansion drum by the 3rd oil pipe, and the oil outlet end of the gs-oil separator connects the cold oil oil inlet end of the hot oil boiler by the 4th oil pipe；The pipeline of the utility model is simplified, simple in structure to use expansion drum combination gas and oil separating plant, the bubble in circulation loop operational process in instant discharge system, while can also supplement the conduction oil of loss immediately, enables boiler plant long lasting for operation.
Description
Technical field
The utility model belongs to field of boilers, and the coal for more particularly, to producing gloves changes gas boiler heat circulating system.
Background technology
Hot oil boiler is one of important equipment of rubber gloves factory, in existing hot oil boiler circulating line, due to deep fat
It is heated, bubble is easily produced in pipeline, if overflowing bubble not in time pressure in pipeline can be caused to become larger, damage equipment；It is existing
Steam generator system when run into there is urgent blowing out or circulating pump to have a power failure suddenly when, the mistake cause thermal damage heating equipment of conduction oil, but
Good solution is not seen also at present.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model, which provides one kind, has defencive function
Be used for produce the coals of gloves and change gas boiler heat circulating system.
Technical solution：To achieve the above object, the coal for being used to produce gloves of the utility model changes gas boiler thermal cycle system
System, including hot oil boiler, expansion drum, heating equipment, oil storage tank and gs-oil separator；
The deep fat oil outlet end of the hot oil boiler connects the deep fat oil inlet end of the heating equipment by the first oil pipe；It is described
The cold oil oil outlet end of heating equipment connects the oil inlet end of the gs-oil separator by the second oil pipe；The gs-oil separator goes out
Gas end connects the oil pocket bottom of chamber of the expansion drum by the 3rd oil pipe, and the oil outlet end of the gs-oil separator is connected by the 4th oil pipe
Connect the cold oil oil inlet end of the hot oil boiler；The oil pocket oil inlet that the oil storage tank oil outlet end passes through the 5th oil pipe and the expansion drum
End connection；The aerial drainage end on the downside of effluent head and oil pocket on the upside of the oil pocket of the expansion drum passes through the 7th oil pipe and the 8th oil respectively
One end of pipe the 6th oil pipe of common connection；The other end of 6th oil pipe is connected with the oil inlet end of the oil storing tube；
The first fuel tap is provided with first oil pipe；The second fuel tap is provided with second oil pipe；4th oil
It is sequentially connected in series on pipe along oil circuit direction and is provided with the 3rd fuel tap, first circulation oil pump and the first oil screen；On 5th oil pipe
It is sequentially connected in series along oil circuit direction and is provided with the 4th fuel tap, the second oil screen and oil pump；Overflow valve is provided with 7th oil pipe；
The 5th fuel tap is provided with 8th oil pipe；Fuel level sensor is provided with the oil pocket of the expansion drum；
Further include the first bypass oil pipe；First oil pipe and the second oil pipe are connected by the described first bypass oil pipe bypass
Connect, first bypasses bypass node of the oil pipe on the first oil pipe between the first fuel tap and the oil inlet end of the heating equipment, the
Bypass node of one side oil pipe on the second oil pipe is between the second fuel tap and the oil outlet end of the heating equipment, and by the of first
The 6th fuel tap is provided with oil pipe；
Further include the second bypass oil pipe；5th oil pipe and the first oil pipe pass through the second bypass oil pipe bypass connection, institute
Bypass node of the second bypass oil pipe on the 5th oil pipe is stated between oil storage tank and the 4th fuel tap, the second bypass oil pipe exists
Bypass node on first oil pipe is between the first fuel tap and hot oil boiler oil outlet end；The is provided with the second bypass oil pipe
Seven fuel taps；
Further, sampling cooler is further included, the oil inlet end of the sampling cooler passes through the 9th oil pipe and the 4th oil
Pipe bypass connection, and bypass node of the 9th oil pipe on the 4th oil pipe is between gs-oil separator and the 3rd fuel tap.
Further, the oil storage tank includes Oil Tank Body；The tank bottom of the Oil Tank Body is to the inclined inclined-plane in side
Structure, the lowest point of the tank bottom are provided with blowdown valve；Fuel level sensor is additionally provided with the Oil Tank Body；
Further include float, the float is the disk-shaped structure formed less than the foam of fluid density, the float bottom
Portion is fixedly connected with weight counterweight, and the buoys float is in the Oil Tank Body liquid level；Oil suction is further included in the Oil Tank Body
Hose, the oil absorbing end of the oil suction hose are connected to float bottom；The oil outlet end of the oil suction hose connects the 5th oil pipe.
Beneficial effect：The pipeline of the utility model is simplified, simple in structure to use expansion drum combination gas and oil separating plant, is being followed
Bubble in loop back path operational process in instant discharge system, while the conduction oil of loss can also be supplemented immediately, make boiler plant
Can be long lasting for operation；Oil storage tank uses float-type oil suction mode at the same time, makes to be unlikely to be drawn onto sediment in oil-absorbing process, has
Effect reduces the impurity in major cycle oil circuit, oil circuit is remained unobstructed；Steam generator system, which works as to run into, to be had urgent blowing out or follows
Ring pump can also play certain protective effect when having a power failure suddenly.
Brief description of the drawings
Attached drawing 1 is boiler heat circulating system overall diagram；
Attached drawing 2 is oil storage tank structure diagram；
Attached drawing 3 is cooling sampler structure schematic diagram；
Attached drawing 4 is cooling sampler internal structure schematic diagram.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
The coal for being used to produce gloves as shown in attached drawing 1 to 4 changes gas boiler heat circulating system, including hot oil boiler, expansion
Tank, heating equipment, oil storage tank and gs-oil separator；
The deep fat oil outlet end of the hot oil boiler connects the deep fat oil inlet end of the heating equipment by the first oil pipe 3；Institute
The cold oil oil outlet end for stating heating equipment connects the oil inlet end of the gs-oil separator by the second oil pipe 2；The gs-oil separator
Outlet side the oil pocket bottom of chamber of the expansion drum is connected by the 3rd oil pipe 4, the oil outlet end of the gs-oil separator passes through the 4th
Oil pipe 5 connects the cold oil oil inlet end of the hot oil boiler；The oil storage tank oil outlet end passes through the 5th oil pipe 6 and the expansion drum
Oil pocket oil inlet end connects；The aerial drainage end on the downside of effluent head and oil pocket on the upside of the oil pocket of the expansion drum passes through the 7th oil pipe respectively
28 and the 8th the 6th oil pipe 1 of connection jointly of oil pipe 27 one end；The other end of 6th oil pipe 1 and the oil inlet of the oil storing tube
End connection；
The first fuel tap a10 is provided with first oil pipe 3；The second fuel tap a7 is provided with second oil pipe 2；It is described
It is sequentially connected in series on 4th oil pipe 5 along oil circuit direction and is provided with the 3rd fuel tap a17, first circulation oil pump c3 and the first oil screen n2；
It is sequentially connected in series on 5th oil pipe 6 along oil circuit direction and is provided with the 4th fuel tap a3, the second oil screen n1 and oil pump c2；Described
Overflow valve Y1 is provided with seven oil pipes 28；The 5th fuel tap a11 is provided with 8th oil pipe 27；In the oil pocket of the expansion drum
It is provided with fuel level sensor S1；Its overall work process does description below：During boiler normal operation, starting trouble is to heating shape
State, opens the first fuel tap a10, the second fuel tap a7 and the 3rd fuel tap a17, other fuel tap closed modes；Start circulating pump c3 at the same time,
The oil for making to be heated in boiler flows to heating equipment by the first oil pipe 3, after cooling oily from the second oil pipe 2 by heating equipment
Flow out in gs-oil separator, producing portion gas in pipeline due to boiler heats, while pressure in pipeline is become larger,
During oil passes through gs-oil separator, portion gas is separated, the gas separated is more than expansion drum due to air pressure
Pressure, gas continue through 4 row of the 3rd oil pipe into the sap cavity of expansion drum, since the entrance of gas causes the sap cavity pressure of expansion drum
Power becomes larger, and triggers overflow valve Y1, gas unnecessary in expansion drum is arranged to oil storage tank；Oil process after being separated by gs-oil separator
4th oil pipe 5 reenters hot oil boiler heating；With continuing to run with for whole system, the oil in whole circulation loop is due to adding
The reason for hot partial gasification, oil mass tapered into, when the pressure in the second oil pipe 2 is less than the pressure of expansion drum, in pressure difference
Under the action of, the oil in expansion drum is entered in gs-oil separator by the 3rd oil pipe 4, and as oil circuit adds to the 4th oil pipe 5
In the oil mass in oil circuit piping is reached normal level；As the oil mass in expansion drum gradually decreases, start on the 5th oil pipe 6
Oil pump c2 the oil in oil storage tank is forced into expansion drum, and oiling is stopped according to liquid level sensor in time, and in time
Close the 4th fuel tap a3；
Further include the first bypass oil pipe 29；First oil pipe, 3 and second oil pipe 2 is bypassed by oil pipe 29 by described first
Lead to and connect, oil inlet of bypass node of the first bypass oil pipe 29 on the first oil pipe 3 in the first fuel tap a10 and the heating equipment
Between end, bypass node of the first bypass oil pipe 29 on the second oil pipe 2 is in the fuel-displaced of the second fuel tap a7 and the heating equipment
Between end, and the 6th fuel tap a8 is provided with the first bypass oil pipe 29；Further include the second bypass oil pipe 30；5th oil pipe 6
Pass through the second bypass bypass connection of oil pipe 30, bypass tool of the second bypass oil pipe 30 on the 5th oil pipe 6 with the first oil pipe 3
Point is between oil storage tank and the 4th fuel tap a3, and bypass node of the second bypass oil pipe 30 on the first oil pipe 3 is in the first oil
Between valve a10 and hot oil boiler oil outlet end；The 7th fuel tap a6 is provided with the second bypass oil pipe 30；Further include the 3rd bypass
Oil pipe 26；4th oil pipe 5 and the 5th oil pipe 6 pass through the 3rd bypass bypass connection of oil pipe 26, the 3rd bypass oil pipe 26
Between the 3rd fuel tap a17 and first circulation oil pump c3, the 3rd bypass oil pipe 26 exists bypass node on the 4th oil pipe 5
Bypass node on 5th oil pipe 6 is set between the 4th fuel tap a3 and the second oil screen n1 on the 3rd bypass oil pipe 26
There is the 9th fuel tap a21；When run into there is urgent blowing out or circulating pump c3 to have a power failure suddenly when, the mistake cause thermal damage of conduction oil in order to prevent
Heating equipment, closes the first fuel tap a10 at this time, while the deep fat that the 7th fuel tap a6 of opening makes to produce in boiler is directly over second
Bypass oil pipe 30 flow to oil storing tube, then in expansion drum pressure difference effect under, cold oil is supplemented in the 4th oil pipe 5 so that
Of short duration protective effect is played, at the same time closes boiler, is stopped to heat-conducting oil heating, then maintenance down；Machine is normally transported
During row, when heating equipment only needs the internal circulating load of very little, the 6th fuel tap a8 is opened, makes part oil by the first bypass oil pipe
29, and without the deep fat flow reduced with hot heating equipment Jing Guo heating equipment；When machine just begins to use, it is necessary to circulation
The quick oiling of system, opens the 9th fuel tap a21 at this time, while only closes the 3rd fuel tap a17 of major cycle pipeline, starts circulating pump
Oil is quickly filled with whole circulation line by the 3rd bypass oil pipe 26 directly from oil storage tank, be then shut off the 9th fuel tap a21,
Opening the 3rd fuel tap a17 at the same time makes whole system enter normal circulation state.
Sampling cooler z1 is further included, the oil inlet end of the sampling cooler z1 passes through the 9th oil pipe 31 and the 4th oil pipe 5
Bypass connection, and bypass node of the 9th oil pipe 31 on the 4th oil pipe 5 is between gs-oil separator and the 3rd fuel tap a17；Make
The oil that sampling cooler detection comes out from heating equipment, the oil temperature of so sample point of sampling oil is relatively low, and sampling is after cooling
Oil temperature more easily reachs cooling and requires.
The oil storage tank includes Oil Tank Body 201；The tank bottom 54 of the Oil Tank Body 201 is to the inclined inclined-plane knot in side
Structure, the lowest point of the tank bottom 54 is provided with blowdown valve 52, beneficial to blowdown；Oil level biography is additionally provided with the Oil Tank Body 201
Sensor 51；Further include float 58, the float is the disk-shaped structure formed less than the foam of fluid density, the float 58
Bottom is fixedly connected with weight counterweight 57, and the float 58 floats on 201 liquid level of Oil Tank Body；The Oil Tank Body 201
Oil suction hose 59 is inside further included, the oil absorbing end of the oil suction hose 59 is connected to 58 bottom of float；The oil suction hose 59 goes out
Oily end connects the 5th oil pipe 6；Be conducive to the oil in hose oil suction oil suction face all the time using Floater Structure, prevent sediment.
The sampling cooler z1 includes sampling cooler body 60；Including sampling oil pipe 110 and cooling water flow pipes 66；Institute
State that cooling water flow pipes 66 are concentric to be arranged in sampling oil pipe 110 inner cavity；One end conducting described the of the sampling oil pipe 110
The deep fat oil outlet end of nine oil pipes 31；The other end of the sampling oil pipe 110 turns on the oil inlet end of the sampling pipe 61；The cooling
One end 62 water outlet of conducting cold water inlet of water flow pipes 66；The other end conducting cold water outlet pipe 63 of the cooling water flow pipes 66
Entrance；Temperature sensor is provided with 61 oil inlet of sampling pipe；Between the sampling oil pipe 110 and cooling water flow pipes 66
It is provided with some heat exchange ring plates 64；The heat exchange ring plate 64 is the copper structure of ring plate shape；The heat exchange ring plate 64 is along the sampling
The equidistant array distribution of axial direction of oil pipe 110 and cooling water flow pipes 66, outer shroud and the sampling oil of each heat exchange ring plate 64
The inner wall of pipe 110 is fixedly connected；The inner ring of each heat exchange ring plate 64 is fixedly connected with the outer wall of the cooling water flow pipes 66；Respectively
In the heat exchange ring plate 64 cigarette hollow hole 65 is led along axle center into circumference array is some；And the cigarette of leading in adjacent two heat exchange ring plate 64 is engraved
Emptying aperture 65 mutually staggers；The array ring piece shape heat exchanger fin set using array effectively increases heat exchange contact area, same to phase
The cigarette hollow hole of leading that neighbour two exchanges heat in ring plate mutually staggers and can extend sample oil stream and go out stroke, sample oil is filled in cooling line
Divide cooling.
As shown in Figure 1, change gas boiler heat circulating system and its technique for producing the coal of gloves, it is as follows：Boiler is normally transported
During row, starting trouble to heated condition opens the first fuel tap a10, the second fuel tap a7 and the 3rd fuel tap a17, other fuel taps are closed
State；Start circulating pump c3 at the same time, the oil for making to be heated in boiler flows to heating equipment by the first oil pipe 3, by being set with heat
Standby oil after cooling is flowed out in gs-oil separator from the second oil pipe 2, producing part gas in pipeline due to boiler heats
Body, while pressure in pipeline is become larger, during oil passes through gs-oil separator, portion gas is separated, is separated
Gas due to air pressure be more than expansion pressure tank, gas continues through 4 row of the 3rd oil pipe into the sap cavity of expansion drum, due to gas
Entrance cause the sap cavity pressure of expansion drum to become larger, trigger overflow valve Y1, gas unnecessary in expansion drum is arranged to oil storage tank；Quilt
Oil after gs-oil separator separation reenters hot oil boiler heating by the 4th oil pipe 5；
With continuing to run with for whole system, in whole circulation loop oil heating part gasify due to oil mass by
Gradual change is small, when the pressure in the second oil pipe 2 is less than the pressure of expansion drum, under the action of pressure difference, and the oil in expansion drum
Entered by the 3rd oil pipe 4 in gs-oil separator, and as oil circuit adds in the 4th oil pipe 5 oil mass made in oil circuit piping
Reach normal level；
As the oil mass in expansion drum gradually decreases, starting the oil pump c2 on the 5th oil pipe 6 forces the oil in oil storage tank
It is flowed into expansion drum, and oiling is stopped according to liquid level sensor in time, and closes the 4th fuel tap a3 in time；
When run into there is urgent blowing out or circulating pump c3 to have a power failure suddenly when, the mistake cause thermal damage of conduction oil is set with heat in order to prevent
It is standby, the first fuel tap a10 is closed at this time, while the deep fat that the 7th fuel tap a6 of opening makes to produce in boiler is directly over the second bypass oil
Pipe 30 flows to oil storing tube, then in expansion drum pressure difference effect under, cold oil is supplemented in the 4th oil pipe 5, so as to play short
Temporary protective effect, at the same time closes boiler, stops to heat-conducting oil heating, then maintenance down；
In machine normal course of operation, when heating equipment only needs the internal circulating load of very little, the 6th fuel tap a8 is opened, makes part
Oil bypasses oil pipe 29 by first, and without the deep fat flow reduced with hot heating equipment Jing Guo heating equipment；
, it is necessary to the quick oiling of the circulatory system when machine just begins to use, the 9th fuel tap a21 is opened at this time, while only close
The 3rd fuel tap a17 of major cycle pipeline is closed, starting circulating pump makes oil rapid by the 3rd bypass oil pipe 26 directly from oil storage tank
Full of whole circulation line, the 9th fuel tap a21 is then shut off, while opening the 3rd fuel tap a17 makes whole system entrance normally follow
Ring status.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (3)
1. change gas boiler heat circulating system for the coal for producing gloves, it is characterised in that：Including hot oil boiler, expansion drum, with heat
Equipment, oil storage tank and gs-oil separator；
The deep fat oil outlet end of the hot oil boiler connects the deep fat oil inlet end of the heating equipment by the first oil pipe (3)；It is described
The cold oil oil outlet end of heating equipment connects the oil inlet end of the gs-oil separator by the second oil pipe (2)；The gs-oil separator
Outlet side connect the oil pocket bottom of chamber of the expansion drum by the 3rd oil pipe (4), the oil outlet end of the gs-oil separator passes through the
Four oil pipes (5) connect the cold oil oil inlet end of the hot oil boiler；The oil storage tank oil outlet end by the 5th oil pipe (6) with it is described swollen
The oil pocket oil inlet end connection of swell；The aerial drainage end on the downside of effluent head and oil pocket on the upside of the oil pocket of the expansion drum passes through respectively
Seven oil pipes (28) and the 8th oil pipe (27) connect one end of the 6th oil pipe (1) jointly；The other end of 6th oil pipe (1) and institute
State the oil inlet end connection of oil storing tube；
The first fuel tap (a10) is provided with first oil pipe (3)；The second fuel tap (a7) is provided with second oil pipe (2)；
It is sequentially connected in series on 4th oil pipe (5) along oil circuit direction and is provided with the 3rd fuel tap (a17), first circulation oil pump (c3) and first
Oil screen (n2)；It is sequentially connected in series on 5th oil pipe (6) along oil circuit direction and is provided with the 4th fuel tap (a3), the second oil screen
(n1) and oil pump (c2)；Overflow valve (Y1) is provided with 7th oil pipe (28)；Is provided with 8th oil pipe (27)
Five fuel taps (a11)；Fuel level sensor (S1) is provided with the oil pocket of the expansion drum；
Further include the first bypass oil pipe (29)；First oil pipe (3) and the second oil pipe (2) pass through the described first bypass oil pipe
(29) bypass connection, bypass node of the first bypass oil pipe (29) on the first oil pipe (3) is in the first fuel tap (a10) and the use
Between the oil inlet end of hot equipment, the first bypass oil pipe (29) bypass node on the second oil pipe (2) in the second fuel tap (a7) and
Between the oil outlet end of the heating equipment, and the 6th fuel tap (a8) is provided with the first bypass oil pipe (29)；
Further include the second bypass oil pipe (30)；5th oil pipe (6) and the first oil pipe (3) are other by the second bypass oil pipe (30)
Lead to and connect, the second bypass oil pipe (30) bypass node on the 5th oil pipe (6) oil storage tank and the 4th fuel tap (a3) it
Between, bypass node of the second bypass oil pipe (30) on the first oil pipe (3) is fuel-displaced in the first fuel tap (a10) and hot oil boiler
Between end；The 7th fuel tap (a6) is provided with the second bypass oil pipe (30).
2. the coal according to claim 1 for being used to produce gloves changes gas boiler heat circulating system, it is characterised in that：Further include
Sampling cooler (z1), the oil inlet end of the sampling cooler (z1) are connected by the 9th oil pipe (31) and the 4th oil pipe (5) bypass
Connect, and bypass node of the 9th oil pipe (31) on the 4th oil pipe (5) is between gs-oil separator and the 3rd fuel tap (a17).
3. the coal according to claim 1 for being used to produce gloves changes gas boiler heat circulating system, it is characterised in that：The storage
Oil tank includes Oil Tank Body (201)；The tank bottom (54) of the Oil Tank Body (201) be to the inclined ramp structure in side, it is described
The lowest point of tank bottom (54) is provided with blowdown valve (52)；Fuel level sensor (51) is additionally provided with the Oil Tank Body (201)；
Further include float (58), the float is the disk-shaped structure formed less than the foam of fluid density, the float
(58) bottom is fixedly connected with weight counterweight (57), and the float (58) floats on the Oil Tank Body (201) liquid level；The storage
Oil suction hose (59) is further included in tank body (201), the oil absorbing end of the oil suction hose (59) is connected to float (58) bottom；Institute
The oil outlet end for stating oil suction hose (59) connects the 5th oil pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394905.7U CN207350800U (en) | 2017-10-26 | 2017-10-26 | Coal for producing gloves changes gas boiler heat circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394905.7U CN207350800U (en) | 2017-10-26 | 2017-10-26 | Coal for producing gloves changes gas boiler heat circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207350800U true CN207350800U (en) | 2018-05-11 |
Family
ID=62356131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721394905.7U Expired - Fee Related CN207350800U (en) | 2017-10-26 | 2017-10-26 | Coal for producing gloves changes gas boiler heat circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207350800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865206A (en) * | 2021-10-11 | 2021-12-31 | 沈阳铝镁设计研究院有限公司 | Sampling cooling device for organic heat carrier boiler and working method thereof |
-
2017
- 2017-10-26 CN CN201721394905.7U patent/CN207350800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865206A (en) * | 2021-10-11 | 2021-12-31 | 沈阳铝镁设计研究院有限公司 | Sampling cooling device for organic heat carrier boiler and working method thereof |
| CN113865206B (en) * | 2021-10-11 | 2022-12-06 | 沈阳铝镁设计研究院有限公司 | Sampling cooling device for organic heat carrier boiler and working method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20191026 |