CN208458558U - A kind of waste heat recovery device on bathing pool hot-water boiler - Google Patents
A kind of waste heat recovery device on bathing pool hot-water boiler Download PDFInfo
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- CN208458558U CN208458558U CN201820353845.2U CN201820353845U CN208458558U CN 208458558 U CN208458558 U CN 208458558U CN 201820353845 U CN201820353845 U CN 201820353845U CN 208458558 U CN208458558 U CN 208458558U
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- water
- fixedly connected
- tank body
- heat
- solenoid valve
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Abstract
The utility model discloses a kind of waste heat recovery devices on bathing pool hot-water boiler, including heat exchange tank, the heat exchange tank is fixedly mounted the tank body on the ground and is externally provided with controller, the signal receiving end of the controller is electrically connected with water level sensor one, water level sensor two, temperature sensor one and temperature sensor two, and power output end and solenoid valve one, solenoid valve two, solenoid valve three, solenoid valve four, solenoid valve five, suction pump and the agitating device of the controller are electrically connected.The utility model has the beneficial effects that of simple structure and strong practicability.
Description
Technical field
The present invention relates to especially a kind of waste heat recovery devices on bathing pool hot-water boiler.
Background technique
The hot-water supply that common plunge bath uses at present is mainly miniature coal hot-water boiler, separately has part using fuel oil heat
Homogeneous solution-type reactor and gas-fired water heating boiler, they be by the temperature of tap water heating to 60 DEG C or so, then with tap water mixing conduct
Bathroom hot water.In general, bathroom hot water after use, be usually all be directly discharged in sewer pipe, and this
It is not utilized in the presence of very big heat still in a little waste water, if it is possible to recycle these heats, it will subtract to a certain extent
The waste of few energy.
Summary of the invention
The purpose of the present invention is to solve the above problems, devise a kind of waste heat recycling on bathing pool hot-water boiler
Utilize device.
Realize above-mentioned purpose the technical scheme is that, it is a kind of on bathing pool hot-water boiler heat recovery dress
It sets, including heat exchange tank, the heat exchange tank is fixedly mounted on the ground, and the heat exchange tank is fixedly connected with the ground by resting on the ground
Tank body, the wastewater outlet for being opened in tank body side surface, the waste water that is fixedly connected on wastewater outlet with wastewater outlet
Outlet pipe, is opened in tank body other side lower face at the suction pump being fixedly connected in waste water outlet pipe with waste water outlet pipe
Waste water inlet, the wastewater inlet pipe being fixedly connected on waste water inlet with waste water inlet are located on wastewater inlet pipe and waste water
Three-way connection that water inlet pipe is fixedly connected, is located at three at the solenoid valve one being fixedly connected with three-way connection positioned at three-way connection one end
The pass joint other end be fixedly connected with three-way connection and be fixedly connected with waste water outlet pipe solenoid valve two, be located at tank interior side
The temperature sensor one being fixedly connected on surface with tank body, the level sensor being fixedly connected positioned at tank interior upper surface with tank body
Device one, the wastewater discharge pipe being fixedly connected below tank body with discharge outlet, is located at and gives up the discharge outlet for being opened in tank body bottom surface side
It the solenoid valve three that is fixedly connected on water discharge spout with wastewater discharge pipe and is collectively formed positioned at the heat-conducting water box device of tank interior,
The heat-conducting water box device by be located at tank interior center be fixedly connected with tank body heat-conducting water box, be opened in table on heat-conducting water box
The clear water import of face side, is opened in table on tank body at the clear water water inlet pipe being fixedly connected above heat-conducting water box with clear water import
Face side and the tank body clear water import being fixedly connected with clear water water inlet pipe are located on clear water water inlet pipe and clear water water inlet pipe is fixed connects
The solenoid valve four that connects, the temperature sensor two being fixedly connected in heat-conducting water box inner lateral surfaces with heat-conducting water box are located at and pass
Water level sensor two that boiler inside upper surface is fixedly connected with heat-conducting water box, the clear water for being opened in heat-conducting water box lower surface side
Outlet, the clear water outlet pipe being fixedly connected below heat-conducting water box with clear water output are located on clear water outlet pipe and Graceful
Solenoid valve five that water pipe is fixedly connected, the tank body clear water output for being opened in tank base and being fixedly connected with clear water outlet pipe and it is located at
Agitating device inside heat-conducting water box collectively forms, and the tank body is externally provided with controller, the signal receiving end of the controller with
Water level sensor one, water level sensor two, temperature sensor one and temperature sensor two are electrically connected, the power supply of the controller
Output end electrically connects with solenoid valve one, solenoid valve two, solenoid valve three, solenoid valve four, solenoid valve five, suction pump and agitating device
It connects.
The agitating device is by being opened in the agitating shaft mouth at tank body upper surface center, being opened at the center of heat-conducting water box upper surface
Heat-conducting water box agitating shaft mouth, be fixedly mounted on agitating shaft mouth and agitating shaft on heat-conducting water box agitating shaft mouth, be located at heat transfer water
The paddle being fixedly connected with agitating shaft and the mixer drive being fixedly connected above tank body with agitating shaft are total inside case
With composition.
The mixer drive by being located at rack that tank body upper surface upper center is fixedly connected with tank body, positioned at machine
Be fixedly connected with rack above frame and speed reducer that output end is fixedly connected with agitating shaft, above speed reducer and speed reducer
The rotating electric machine that input shaft is fixedly connected, the rotating electric machine starter in rotating electric machine collectively form.
The clear water water inlet pipe is fixedly connected with external water source, the clear water outlet pipe and the fixed company of external hot-water boiler
It connects.
One end of the three-way connection is fixedly connected with external waste water collection device.
The wastewater discharge pipe is fixedly connected with external blow-off line.
The power output end of the rotating electric machine and controller is electrically connected.
PLC system is equipped in the controller.
The controller is equipped with capacitor display screen, control button and switching device.
The controller, which is equipped with, uses electrical interface, described to be electrically connected with electrical interface and external power supply.
A kind of waste heat recovery device on bathing pool hot-water boiler made using technical solution of the present invention is led to
It crosses stirring and by spent hot water's circulating heat transfer, heat transfer effect can be increased to maximization, will need to be heated in advance by the present apparatus
Water is preheated, and the efficiency of boiler not only can be improved in this way, but also can reduce the usage amount of fuel, waste water can also be carried out two
Secondary utilization greatly reduces waste, and present apparatus structure is simple, and easy to operate, production cost is low.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of waste heat recovery device on bathing pool hot-water boiler of the present invention；
Fig. 2 is the schematic diagram of controller of the present invention；
In figure, 1, heat exchange tank；2, tank body；3, wastewater outlet；4, waste water outlet pipe；5, suction pump；6, waste water inlet；7, it gives up
Water water inlet pipe；8, three-way connection；9, solenoid valve one；10, solenoid valve two；11, temperature sensor one；12, water level sensor one；
13, discharge outlet；14, wastewater discharge pipe；15, solenoid valve three；16, heat-conducting water box；17, clear water import；18, clear water water inlet pipe；19,
Tank body clear water import；20, solenoid valve four；21, temperature sensor two；22, water level sensor two；23, clear water output；24, clear water
Outlet pipe；25, solenoid valve five；26, tank body clear water output；27, controller；28, agitating shaft mouth；29, heat-conducting water box agitating shaft
Mouthful；30, agitating shaft；31, paddle；32, rack；33, speed reducer；34, rotating electric machine；35, rotating electric machine starter；36,
PLC system；37, capacitor display screen；38, control button；39, switching device；40, electrical interface is used.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, it is as shown in Figs. 1-2, a kind of on bathing pool hot-water boiler
Waste heat recovery device, including heat exchange tank 1, the heat exchange tank 1 are fixedly mounted on the ground, and the heat exchange tank 1 is by being located at ground
The tank body 2 that is fixedly connected with the ground on face, the wastewater outlet 3 for being opened in 2 side surface of tank body, be located on wastewater outlet 3 with
Waste water outlet pipe 4 that wastewater outlet 3 is fixedly connected, the suction pump being fixedly connected in waste water outlet pipe 4 with waste water outlet pipe 4
5, the waste water inlet 6 for being opened in 2 other side lower face of tank body, the waste water being fixedly connected on waste water inlet 6 with waste water inlet 6
Water inlet pipe 7, the three-way connection 8 being fixedly connected on wastewater inlet pipe 7 with wastewater inlet pipe 7, be located at 8 one end of three-way connection with
Solenoid valve 1 that three-way connection 8 is fixedly connected is fixedly connected with three-way connection 8 positioned at 8 other end of three-way connection and goes out with waste water
Solenoid valve 2 10 that water pipe 4 is fixedly connected, the temperature sensor one being fixedly connected in 2 inner lateral surfaces of tank body with tank body 2
11, the water level sensor 1 that is fixedly connected with tank body 2 positioned at 2 inside upper surface of tank body, the discharge for being opened in 2 bottom surface side of tank body
Mouth 13, the wastewater discharge pipe 14 being fixedly connected below tank body 2 with discharge outlet 13 are located on wastewater discharge pipe 14 and arrange with waste water
It puts solenoid valve 3 15 that pipe 14 is fixedly connected and the heat-conducting water box device inside tank body 2 collectively forms, the heat-conducting water box
Device by be located at 2 inside center of tank body be fixedly connected with tank body 2 heat-conducting water box 16, be opened in 16 upper surface side of heat-conducting water box
Clear water import 17, be fixedly connected above heat-conducting water box 16 with clear water import 17 clear water water inlet pipe 18, be opened in tank body 2
Upper surface side and the tank body clear water import 19 being fixedly connected with clear water water inlet pipe 18, be located on clear water water inlet pipe 18 with clear water into
Solenoid valve 4 20 that water pipe 18 is fixedly connected, the temperature being fixedly connected in 16 inner lateral surfaces of heat-conducting water box with heat-conducting water box 16
Degree sensor 2 21, is opened the water level sensor 2 22 being fixedly connected with heat-conducting water box 16 positioned at 16 inside upper surface of heat-conducting water box
The clear water output 23 of 16 lower surface side of heat-conducting water box, be fixedly connected with clear water output 23 below heat-conducting water box 16 it is clear
Water outlet pipe 24, is opened in 2 bottom of tank body at the solenoid valve 5 25 being fixedly connected on clear water outlet pipe 24 with clear water outlet pipe 24
Portion and the tank body clear water output 26 being fixedly connected with clear water outlet pipe 24 and agitating device inside heat-conducting water box 16 are common
It constitutes, the tank body 2 is externally provided with controller 27, the signal receiving end and water level sensor one, level sensor of the controller 27
Device two, temperature sensor one and temperature sensor two are electrically connected, power output end and solenoid valve one, the electricity of the controller 27
Magnet valve two, solenoid valve three, solenoid valve four, solenoid valve five, suction pump and agitating device are electrically connected；The agitating device is by being opened in
Agitating shaft mouth 28 at 2 upper surface center of tank body, the heat-conducting water box agitating shaft mouth being opened at 16 upper surface center of heat-conducting water box
29, be fixedly mounted on agitating shaft mouth 28 and agitating shaft 30 on heat-conducting water box agitating shaft mouth 29, be located at 16 inside of heat-conducting water box with
Paddle 31 that agitating shaft 30 is fixedly connected and the mixer drive being fixedly connected above tank body 2 with agitating shaft 30 are common
It constitutes；The mixer drive by be located at 2 upper surface upper center of tank body be fixedly connected with tank body 2 rack 32, be located at
With the speed reducer 33 that rack 32 is fixedly connected and output end is fixedly connected with agitating shaft 30, on speed reducer 33 above rack 32
The square rotating electric machine 34 being fixedly connected with the input shaft of speed reducer 33, the rotating electric machine starter 35 in rotating electric machine 34
It collectively forms；The clear water water inlet pipe 18 is fixedly connected with external water source, and the clear water outlet pipe 24 and external hot-water boiler are solid
Fixed connection；One end of the three-way connection 8 is fixedly connected with external waste water collection device；The wastewater discharge pipe 14 is arranged with external
Dirty pipeline is fixedly connected；The power output end of the rotating electric machine 34 and controller 27 is electrically connected；It is set in the controller 27
There is PLC system 36；The controller 27 is equipped with capacitor display screen 37, control button 38 and switching device 39；The controller
27 are equipped with electrical interface 40, the electrical interface 40 and external power supply electric connection.
The characteristics of the present embodiment is that heat exchange tank is fixedly mounted on the ground, and heat exchange tank is consolidated by resting on the ground with ground
Surely the tank body that connects, the wastewater outlet for being opened in tank body side surface are fixedly connected on wastewater outlet with wastewater outlet
Waste water outlet pipe, be fixedly connected in waste water outlet pipe with waste water outlet pipe suction pump, be opened in another side surface of tank body
The waste water inlet of lower section, is located on wastewater inlet pipe the wastewater inlet pipe being fixedly connected on waste water inlet with waste water inlet
The three-way connection that is fixedly connected with wastewater inlet pipe, the solenoid valve one being fixedly connected with three-way connection positioned at three-way connection one end,
Be fixedly connected positioned at the three-way connection other end with three-way connection and be fixedly connected with waste water outlet pipe solenoid valve two, be located at tank body
The temperature sensor one being fixedly connected in inner lateral surfaces with tank body, the water being fixedly connected positioned at tank interior upper surface with tank body
Level sensor one, the discharge outlet for being opened in tank body bottom surface side, the wastewater discharge pipe being fixedly connected with discharge outlet below the tank body,
The solenoid valve three that is fixedly connected on wastewater discharge pipe with wastewater discharge pipe and total positioned at the heat-conducting water box device of tank interior
With constitute, heat-conducting water box device by be located at tank interior center be fixedly connected with tank body heat-conducting water box, be opened in heat-conducting water box
The clear water import of upper surface side, is opened in tank body at the clear water water inlet pipe being fixedly connected above heat-conducting water box with clear water import
Upper surface side and the tank body clear water import being fixedly connected with clear water water inlet pipe, be located at it is solid with clear water water inlet pipe on clear water water inlet pipe
Surely the solenoid valve four that connects, the temperature sensor two being fixedly connected in heat-conducting water box inner lateral surfaces with heat-conducting water box, position
The water level sensor two that is fixedly connected with heat-conducting water box in heat-conducting water box inside upper surface is opened in heat-conducting water box lower surface side
Clear water output, the clear water outlet pipe being fixedly connected with clear water output below the heat-conducting water box, be located on clear water outlet pipe with clearly
Solenoid valve five that water outlet pipe is fixedly connected, the tank body clear water output for being opened in tank base and being fixedly connected with clear water outlet pipe and
Agitating device inside heat-conducting water box collectively forms, agitating device by be opened in tank body upper surface center agitating shaft mouth,
It is opened in the heat-conducting water box agitating shaft mouth at the center of heat-conducting water box upper surface, is fixedly mounted on agitating shaft mouth and heat-conducting water box agitating shaft
Agitating shaft on mouth, the paddle being fixedly connected inside heat-conducting water box with agitating shaft and being located above tank body is consolidated with agitating shaft
Surely the mixer drive connected collectively forms, and mixer drive is fixed by being located at tank body upper surface upper center with tank body
The rack of connection, be fixedly connected above rack with rack and speed reducer that output end is fixedly connected with agitating shaft, positioned at subtracting
The rotating electric machine being fixedly connected above fast machine with the input shaft of speed reducer, the rotating electric machine starter in rotating electric machine are total
With constituting, by stirring and by spent hot water's circulating heat transfer, heat transfer effect can be increased to maximization, in advance will by the present apparatus
The water that need to be heated is preheated, and the efficiency of boiler not only can be improved in this way, but also can reduce the usage amount of fuel, can also will be given up
Water carries out secondary use, greatly reduces waste, present apparatus structure is simple, and easy to operate, production cost is low.
In the present embodiment, it will be connect with electrical interface with external power supply, the switching device starting controlled on controller is set
It is standby, solenoid valve one is controlled by controller and is opened, waste water is entered in tank body by three-way connection by wastewater inlet pipe, and controller is logical
The water level in water level sensor detection tank body is crossed, when water level reaches setting value, controller controls solenoid valve one and closes, and works as water level
When being zero, controller controls solenoid valve one and opens, and after water level reaches setting value, controller control suction pump starts suction pump and opens
Beginning work, while controller control solenoid valve two is opened, waste water starts to be circulated in tank body and waste water outlet pipe, together
When, controller controls solenoid valve four and opens, and the water of external water source is entered in heat-conducting water box by clear water water inlet pipe, and controller is logical
The water level in control water level sensor detection heat-conducting water box is crossed, when water level reaches setting value, controller, which controls electromagnetism four, to be stopped
Work, while controller control solenoid valve five is closed, while controller control agitating device is started to work, controller control rotation
Motor starts to rotate, and rotating electric machine drives speed reducer rotation, and speed reducer drives agitating shaft to start to rotate, and agitating shaft drives paddle
Start to rotate, paddle, which stirs water, to be flowed, and heat transfer effect is accelerated, and controller controls temperature sensor one and temperature sensor two
The coolant-temperature gage in tank body and heat-conducting water box is monitored, when the two coolant-temperature gage is close to setting value, controller control solenoid valve five is beaten
It opens, clear water is discharged into hot-water boiler, while controller control solenoid valve three is opened, and the intracorporal discharge of wastewater of tank is gone out,
After discharge, controller controls solenoid valve three, solenoid valve five, solenoid valve two and closes, then repeatedly aforesaid operations.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of waste heat recovery device on bathing pool hot-water boiler, including heat exchange tank (1), which is characterized in that described
Heat exchange tank (1) is fixedly mounted on the ground, and the heat exchange tank (1) is by resting on the ground the tank body being fixedly connected with the ground (2), opening
Tank body (2) side surface wastewater outlet (3), be located at be fixedly connected on wastewater outlet (3) with wastewater outlet (3) it is useless
Water outlet pipe (4) is located at the suction pump (5) being fixedly connected on waste water outlet pipe (4) with waste water outlet pipe (4), is opened in tank body (2)
The waste water inlet (6) of other side lower face is located at the influent waste water being fixedly connected on waste water inlet (6) with waste water inlet (6)
Pipe (7) is located at the three-way connection (8) being fixedly connected on wastewater inlet pipe (7) with wastewater inlet pipe (7), is located at three-way connection (8)
Solenoid valve one (9) that one end is fixedly connected with three-way connection (8) is located at three-way connection (8) other end and three-way connection (8) fixation
Connection and be fixedly connected with waste water outlet pipe (4) solenoid valve two (10), be located at tank body (2) inner lateral surfaces on and tank body (2)
The temperature sensor one (11) being fixedly connected, the water level sensor being fixedly connected positioned at tank body (2) inside upper surface with tank body (2)
One (12), the discharge outlet (13) for being opened in tank body (2) bottom surface side are located at what tank body (2) lower section was fixedly connected with discharge outlet (13)
Wastewater discharge pipe (14) is located at the solenoid valve three (15) being fixedly connected on wastewater discharge pipe (14) with wastewater discharge pipe (14) and position
Collectively formed in the internal heat-conducting water box device of tank body (2), the heat-conducting water box device by be located at tank body (2) inside center with
Heat-conducting water box (16) that tank body (2) is fixedly connected, the clear water import (17) for being opened in heat-conducting water box (16) upper surface side are located at and pass
The clear water water inlet pipe (18) that is fixedly connected with clear water import (17) above boiler (16), be opened in tank body (2) upper surface side and
The tank body clear water import (19) that is fixedly connected with clear water water inlet pipe (18) is located on clear water water inlet pipe (18) and clear water water inlet pipe
(18) solenoid valve four (20) that is fixedly connected is located in heat-conducting water box (16) inner lateral surfaces and is fixedly connected with heat-conducting water box (16)
Temperature sensor two (21), be located at the level sensor that is fixedly connected with heat-conducting water box (16) of heat-conducting water box (16) inside upper surface
Device two (22), the clear water output (23) for being opened in heat-conducting water box (16) lower surface side are located at heat-conducting water box (16) lower section and clear water
Outlet (23) be fixedly connected clear water outlet pipe (24), be located at clear water outlet pipe (24) on be fixedly connected with clear water outlet pipe (24)
Solenoid valve five (25), the tank body clear water output (26) that is opened in tank body (2) bottom and is fixedly connected with clear water outlet pipe (24) and
The agitating device internal positioned at heat-conducting water box (16) collectively forms, and the tank body (2) is externally provided with controller (27), the control
The signal receiving end of device (27) and water level sensor one, water level sensor two, temperature sensor one and temperature sensor two are electrical
Connection, the power output end and solenoid valve one, solenoid valve two, solenoid valve three, solenoid valve four, solenoid valve of the controller (27)
Five, suction pump and agitating device are electrically connected.
2. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 1, which is characterized in that
The agitating device is by being opened in the agitating shaft mouth (28) at tank body (2) upper surface center, being opened in heat-conducting water box (16) upper surface
Heat-conducting water box agitating shaft mouth (29) at the heart is fixedly mounted on stirring on agitating shaft mouth (28) and heat-conducting water box agitating shaft mouth (29)
Axis (30) is mixed, is located at the paddle (31) being fixedly connected inside heat-conducting water box (16) with agitating shaft (30) and is located on tank body (2)
The mixer drive that side is fixedly connected with agitating shaft (30) collectively forms.
3. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 2, which is characterized in that
The mixer drive by be located at tank body (2) upper surface upper center be fixedly connected with tank body (2) rack (32), be located at
Be fixedly connected with rack (32) above rack (32) and speed reducer (33) that output end is fixedly connected with agitating shaft (30), positioned at subtracting
The rotating electric machine (34) being fixedly connected above fast machine (33) with the input shaft of speed reducer (33), the rotation being located in rotating electric machine (34)
Rotating motor starter (35) collectively forms.
4. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 2, which is characterized in that
The clear water water inlet pipe (18) is fixedly connected with external water source, the clear water outlet pipe (24) and the fixed company of external hot-water boiler
It connects.
5. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 1, which is characterized in that
One end of the three-way connection (8) is fixedly connected with external waste water collection device.
6. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 1, which is characterized in that
The wastewater discharge pipe (14) is fixedly connected with external blow-off line.
7. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 3, which is characterized in that
The power output end of the rotating electric machine (34) and controller (27) is electrically connected.
8. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 1, which is characterized in that
PLC system (36) are equipped in the controller (27).
9. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 1, which is characterized in that
The controller (27) is equipped with capacitor display screen (37), control button (38) and switching device (39).
10. a kind of waste heat recovery device on bathing pool hot-water boiler according to claim 1, feature exist
In the controller (27), which is equipped with, uses electrical interface (40), described to be electrically connected with electrical interface (40) and external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353845.2U CN208458558U (en) | 2018-03-15 | 2018-03-15 | A kind of waste heat recovery device on bathing pool hot-water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353845.2U CN208458558U (en) | 2018-03-15 | 2018-03-15 | A kind of waste heat recovery device on bathing pool hot-water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458558U true CN208458558U (en) | 2019-02-01 |
Family
ID=65156994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820353845.2U Expired - Fee Related CN208458558U (en) | 2018-03-15 | 2018-03-15 | A kind of waste heat recovery device on bathing pool hot-water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208458558U (en) |
-
2018
- 2018-03-15 CN CN201820353845.2U patent/CN208458558U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190201 Termination date: 20200315 |