CN207576662U - A kind of wet cottrell performance testing device - Google Patents
A kind of wet cottrell performance testing device Download PDFInfo
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- CN207576662U CN207576662U CN201721222532.5U CN201721222532U CN207576662U CN 207576662 U CN207576662 U CN 207576662U CN 201721222532 U CN201721222532 U CN 201721222532U CN 207576662 U CN207576662 U CN 207576662U
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- pole plate
- dust collecting
- collecting pole
- plate
- testing device
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Abstract
A kind of wet cottrell performance testing device, including being arranged on the air inlet at dedusting cavity both ends and air outlet, the discharge electrode and dust collecting pole plate that are arranged on dedusting inside cavity, and the water collection sheet with multiple independent catch basins, the water collection sheet can be rotatably set in below dust collecting pole plate.The utility model realizes the subregion Fractional Collections to dust collecting pole plate shower water, when catch basin is arranged in parallel with dust collecting pole plate, different catch basins can independently collect the shower water of each dust collecting pole plate by setting rotatable water collection sheet；When catch basin and dust collecting pole plate are vertically arranged, the shower water for the different sections such as multiple catch basins can be collected respectively before, during and after dust collecting pole plate provides support precisely to analyze the pollutant load in shower water.By setting position limiting slide block and strip mounting hole, the spacing realized between dust collecting pole plate and between dust collecting pole plate and discharge electrode is continuously adjustable.Air distribution plate uses plug-in structure, is adjusted convenient for the replacement of different model air distribution plate.
Description
Technical field
The utility model belongs to atmosphere pollution removing sulfuldioxide field, is related to a kind of wet electrical dust precipitator performance testing device.
Background technology
Wet electrical dust precipitator is mainly used for removing atmosphere pollution, and wet electrical dust precipitator uses Different structural parameters
Discharge electrode, dust collecting pole plate, feedwater flow, voltage class and different gas composition, fluidised form and flow velocity, pollutant is taken off
Except performance can generate different influences.Therefore, the working performance of research wet electrical dust precipitator at different conditions is by wet type electricity
Dedusting technology carries out the steps necessary of practical application conversion.
At present, the apparatus function tested and tested for wet cottrell performance is limited, is generally only capable of to pole
The removal effect of plate entirety carries out experiment, it is impossible to be tested for pole plate local characteristics subregion, segmentation.For example, Chinese patent
CN201520951351.0 discloses a kind of wet cottrell experimental system for combining removing multiple pollutant, simulates dust-laden
Removal effect of the gas in wet cottrell, the device can be adjusted with quick-replaceable corona wire and according to locating groove
Pole plate spacing improves dust removing effects, but pole plate spacing is adjusted by fixed card slot, it is impossible to which realization continuously adjusts.Chinese patent
CN104941801A discloses a kind of detection device for evaluating ESP Efficiency, can change gas dust content, gas
The parameters such as body flow, pole plate spacing, output voltage, by analyzing dust content, operating parameter etc., to study different factors to quiet
The influence of ESP Efficiency, but it cannot be used for wet cottrell performance test, and between the device internal polar plate
Away from that cannot continuously adjust, air distribution plate, pole plate cannot be replaced easily, be not easy to gas with various flow field, not plates of similar polarity dedusting
Performance conducts a research.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of simple for structure, perfect in shape and function, use
Convenient, security reliability is strong, the accurate wet electrical dust precipitator performance testing device of test result.
The utility model adopts the following technical solution：
A kind of wet electrical dust precipitator performance testing device, air inlet and air outlet including being arranged on dedusting cavity both ends,
And it is arranged on the discharge electrode and dust collecting pole plate of dedusting inside cavity；Further include the water collection sheet with multiple independent catch basins, institute
Water collection sheet is stated to can be rotatably set in below dust collecting pole plate.
Further, the water collection sheet cross section is square, and water collection sheet is equipped with the eaves formula that multiple centres are low, both ends are high
Catch basin；The middle part of the catch basin is equipped with water outlet, and each water outlet is connected with independent hose, for shower water to be distinguished
Draw dedusting cavity.
Further, the water collection sheet bottom is equipped with vertical hollow cylinder between two parties, and the hollow cylinder passes through dedusting cavity
Bottom plate extend to dedusting containment portion；The water collection sheet can be moved by shaft rotation of hollow cylinder.
Further, catch basin there are three being set on the water collection sheet.
Further, the top plate of the dedusting cavity is equipped with the strip peace for installing discharge electrode and/or dust collecting pole plate
Fill hole；The discharge electrode or dust collecting pole plate are slidably mounted fixation by being arranged on the position limiting slide block above strip mounting hole
Below mounting hole.
Further, pole plate fixture is further included, the lower end of the pole plate fixture connect fixation, the pole plate folder with dust collecting pole plate
The upper end of tool is equipped with pole plate caging bolt, and the mounting hole of the pole plate caging bolt from dedusting cavity top plate is pierced by upwards, with limit
Position sliding block connection is fixed.
Further, the dedusting cavity front end is equipped with air distribution plate slot, is fitted with air distribution plate in the air distribution plate slot, institute
Air distribution plate is stated as plate-like structure, upper weld has handle.
Further, circle hole shape wind distributing hole is provided on the air distribution plate, cloth wind rate is 19%.
Further, the air inlet of the dedusting cavity and air outlet are bell shape, and the relatively narrow place in horn mouth front end is set
There are vortex-shedding meter, temp probe and/or entrance thief hole.
Further, electric cabinet is equipped with above the dedusting cavity, the electric cabinet is equipped with total start-stop controller, flow is shown
Show device, wind pressure display, temperature indicator and/or high-voltage output power supply.
A kind of wet electrical dust precipitator performance testing device of the utility model is mainly used in research wet-esp in difference
To the removing characteristic of the pollutant in gas under the conditions of environmental condition or different operation.The utility model is rotatable by setting
Water collection sheet realizes the subregion Fractional Collections to dust collecting pole plate shower water, different when catch basin is arranged in parallel with dust collecting pole plate
Catch basin can independently collect the shower water of each dust collecting pole plate；It is multiple to catchment when catch basin and dust collecting pole plate are vertically arranged
Slot such as can collect before, during and after dust collecting pole plate at the shower water of different sections respectively, contain for the pollutant in precisely analysis shower water
Amount provides support.By setting position limiting slide block and strip mounting hole, realize between dust collecting pole plate and dust collecting pole plate is with putting
Spacing between electrode is continuously adjustable.Air distribution plate uses plug-in structure, is adjusted convenient for the replacement of different model air distribution plate.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of wet cottrell of utility model；
Fig. 2 is along the sectional view in A-A directions in Fig. 1；
Fig. 3 is a kind of front view of the air distribution plate of wet electrical dust precipitator performance testing device of the utility model；
Fig. 4 is a kind of left view of the air distribution plate of wet electrical dust precipitator performance testing device of the utility model；
Fig. 5 is a kind of top board structure schematic diagram of wet electrical dust precipitator performance testing device of the utility model；
Fig. 6 is a kind of front view of the pole plate fixture of wet electrical dust precipitator performance testing device of the utility model；
Fig. 7 is along the sectional view in B-B directions in Fig. 6；
Fig. 8 is a kind of structure diagram of the dust collecting pole plate of wet electrical dust precipitator performance testing device of the utility model；
Fig. 9 is a kind of side view of the water distributor of wet electrical dust precipitator performance testing device of the utility model；
Figure 10 is a kind of structure diagram of the water distributor of wet electrical dust precipitator performance testing device of the utility model；
Figure 11 is a kind of structure diagram of the water collection sheet of wet electrical dust precipitator performance testing device of the utility model；
Figure 12 is along the sectional view in C-C directions in Figure 11.
Specific embodiment
Below in conjunction with Figure of description, a kind of wet electrical dust precipitator performance testing device of the utility model is further illustrated
Specific embodiment.The utility model proposes a kind of wet electrical dust precipitator performance testing device be not limited to retouching for following embodiment
It states.
As depicted in figs. 1 and 2, the present apparatus includes upper and lower two parts, and top is divided into electric cabinet, and lower part is divided into dedusting cavity.
Electric cabinet is equipped with the total start-stop controller 8 of equipment, flow indicator 10, wind pressure display 11, temperature indicator 12
And high-voltage output power supply 9.The power switch of total 8 control device of the start-stop controller entirety of equipment, flow indicator 10, wind pressure are shown
Device 11 is connect with vortex-shedding meter 1, and temperature indicator 12 is connect with temp probe 2.One kind as high-voltage output power supply 9 is specific
Embodiment, exportable 0~-30kV voltages, 0~-1mA electric currents negative high voltage DC power supply, the utility model is not limited to this
Kind high-voltage output power supply.Pass through standard ground, it is ensured that equipment safety in electric cabinet.
It is rectangular shape in the middle part of dedusting cavity, both ends are connected separately with the air inlet 4 and air outlet gradually to narrow outward
20, the bell shape of the air inlet 4 and air outlet 20 for pyramidal structure.4 front end of air inlet is equipped with vortex-shedding meter
1st, temp probe 2 and entrance thief hole 3,4 rear end of air inlet are equipped with air distribution plate slot 5 with junction in the middle part of dedusting cavity.Dedusting
It is enclosed in the middle part of cavity by two side cover plates 22, bottom plate 23 and top plate 19.Two side cover plates 22 and bottom plate 23 are organic glass
Glass material, top plate 19 use insulating materials, as a kind of specific embodiment, phenolic resin material can be used.Air inlet 4,
The junction of the components such as air outlet 20, side cover plate 22, bottom plate 23 and top plate 19 uses dismantled and assembled connection mode, passes through bolt 31
It connects and fixes with sealing rubber ring (adhesive tape).
As shown in Figure 3 and Figure 4, air distribution plate 6 is rectangular flat plate structure, and section is in T-shape, the upper wider place of T-shape
Effect be to strengthen the sealing performance of air distribution plate 6 and 5 socket of air distribution plate slot.It is advantageous in that using inserting slot construction, it can basis
The air distribution plate of the different ventilative rates of actual needs selection.As a kind of specific embodiment, circle hole shape cloth is provided on the air distribution plate 6
Air holes, cloth wind rate are 19%.To improve air-tightness, the junction between air distribution plate slot 5 and air distribution plate 6 is equipped with rubber seal
Circle.
As shown in figure 5, the top plate 19 of the dedusting cavity is equipped with the length for installing discharge electrode 14 and dust collecting pole plate 29
Bar shaped mounting hole (34,35)；The discharge electrode 14 and dust collecting pole plate 29 are slided by being arranged on the limiting above mounting hole (34,35)
Block (15,17) is slidably mounted and is fixed below mounting hole (34,35).To realize dust collecting pole plate 29 and position limiting slide block 17
Connection is fixed, and is additionally provided with pole plate fixture 30, and the lower end of the pole plate fixture 30 connect fixation, the pole plate folder with dust collecting pole plate 29
The upper end of tool 30 is equipped with pole plate caging bolt 36, and the mounting hole 35 of the pole plate caging bolt 36 from dedusting cavity top plate 19 is upward
It is pierced by, fixation is connect with position limiting slide block 17.The connection coordinated using strip mounting hole (34,35) and position limiting slide block (15,17)
Fixed form can realize that the continuous spacing of discharge electrode 14 and dust collecting pole plate 29 in a certain range is adjusted, while ensure top plate
19 leakproofness set.As a kind of specific embodiment, the adjustable range of position limiting slide block (15,17) is 180mm~300mm.
As shown in figure 5, the present embodiment specifically employs the combination of 6 discharge electrodes 14 and 2 dust collecting pole plates 29,6
Discharge electrode 14 is divided to two groups of equidistant arrangements along gas flow, and discharge electrode passes through the mounting hole 34 of top plate 19 and position limiting slide block 15 to fix company
It connects, top is stretched out position limiting slide block 15 and is electrically connected with copper bar 16 upwards, using insulation porcelain knob between copper bar 16 and position limiting slide block 15
13 insulate, and copper bar 16 is electrically connected with 9 output terminal of high voltage power supply.2 29 parallel gas of dust collecting pole plate flow directions are arranged on electric discharge
14 both sides of pole.
As shown in Figures 6 and 7, the generally rectangular parallelepiped structure of pole plate fixture 30, equally using insulating materials (such as phenolic aldehyde tree
Fat) it is made, the caging bolt 36 on 30 top of pole plate fixture passes through the mounting hole 35 of top plate 19, and fixation is connect with position limiting slide block 17,
And it is electrically connected with the ground terminal of power supply 9.Each dust collecting pole plate 29 is fixed by two pole plate fixtures 30, and dust collecting pole plate 29 sandwiches pole
In the conductive copper sheathing 39 of board clamp 30, and 29 pole plate fixture 30 of dust collecting pole plate is fixedly connected with pole plate fixing bolt 38.Pole plate
Fixture 30 is equipped with overflow pipe mounting hole 37, and the both ends of overflow pipe 18 are fixed on pole plate fixture 30 across overflow pipe mounting hole 37
On.
As shown in figure 8, dust collecting pole plate 29 is rectangular plate-like structure, both sides, which outrank, has installed mounting hole 40, is used to implement
Connection between pole plate fixture 30 is fixed.
As shown in Figure 9 and Figure 10, overflow pipe 18 is using 42 structure of cylindricality water pipe for being provided with overflow sink 41, overflow pipe 18
One end closing, the other end is connected with flexible rubber hose 43, convenient for the position adjustment of dirt pole plate 29.Equipment is after installation is complete, overflow pipe
18 are positioned horizontally in the top of dust collecting pole plate 29, the shower water in overflow pipe 18 by the micropore of 18 overflow gutter channel 41 of overflow pipe or
Gap is uniformly flowed out, and is trickled naturally under the effect of gravity along 29 surface of dirt pole plate.
As is illustrated by figs. 11 and 12, the cross section of water collection sheet 24 is square, be can be rotatably set in below dust collecting pole plate.
The eaves formula catch basin 44 that multiple centres are low, both ends are high is equidistantly equipped on water collection sheet 24.It, can as a kind of specific embodiment
To set three catch basins 44, two catch basins 44 in outside are located at the underface of two dust collecting pole plates 29 respectively.Each catchment
The section angle of slot 44 should be greater than being equal to 120 °, in order to be collected to the shower water splashed down.As a kind of specific implementation
Mode, angle are 120 °.24 bottom of water collection sheet is equipped with vertical hollow cylinder 47 between two parties, and hollow cylinder 47 passes through dedusting cavity
Bottom plate 23 and extend to dedusting containment portion, water collection sheet 24 and hollow cylinder 47 can be revolved around the axle center of hollow cylinder 47 jointly
Turn.Sealing ring 28 is equipped between hollow cylinder 47 and bottom plate 23, it is ensured that airtight between hollow cylinder 47 and bottom plate 23 during rotation
Property.Cylinder lower part is equipped with tommy bar 25, and corresponding position is set there are two limiter (26,27) on bottom plate 23, limitation tommy bar 25 0~
It is rotated in the range of 90 °.The middle part of catch basin 44 is equipped with water outlet 45, and each water outlet 45 connects an independent hose 48 respectively,
Multiple hoses 48 pass through the trepanning 46 of 47 wall surface of hollow cylinder to draw dedusting cavity, fill plug seal material between hose 48 and trepanning 46
Material.
The utility model has following a variety of occupation modes：
Occupation mode 1：The total start-stop controller of equipment is used for control device bulk supply, and high-voltage output power supply can be controlled in real time
Electric field strength processed, flow indicator, wind pressure display, temperature indicator are for flow, wind pressure, temperature of display simulation gas etc.
Information.Simulation gas is entered by present apparatus air inlet, by air distribution plate, after Electrostatic Water Membrane Dedusting is handled, purification gas by
Rear end air outlet discharge.Probe tube (3,21) is respectively equipped in air inlet entrance and air outlet outlet section, monitoring dress can be connected
It puts, the purge cases for simulating gas before and after the processing to Electrostatic Water Membrane Dedusting are monitored.By overflow pipe water distribution, shower water is by overflowing
The overflow sink uniform flow of flow tube goes out, and forms uniform water film in dust collecting pole plate, adsorbs and capture the pollutant in gas, final logical
The catch basin crossed on water collection sheet is collected.Three catch basins on water collection sheet can independently collect rushing for every piece of dust collecting pole plate
Water drenching, so as to independently be sampled analysis to the contamination control efficiency of each piece of dust collecting pole plate.
Occupation mode 2：This occupation mode is similar with occupation mode 1, and difference part is only that, fixed air distribution plate type, electricity
Interpolar distance, high voltage power supply output voltage, discharge electrode and dust collecting pole plate type, water collection sheet rotation angle, ejected wash water type and stream
The parameters such as amount are passed through the simulation gas containing different pollutants, different flow and temperature, and analysis Electrostatic Water Membrane Dedusting is before and after the processing
The shower water pollutant type and concentration that simulation gas pollutant removal situation, each catch basin of analysis collect, test and are being passed through
During simulation gas containing different pollutants, different flow and temperature, the pollutant removing efficiency of each dust collecting pole plate.
Occupation mode 3：This occupation mode is similar with occupation mode 1, difference part be only that, fixed-analog gas type and
Flow, interelectrode distance, high voltage power supply output voltage, discharge electrode and dust collecting pole plate type, water collection sheet rotation angle, ejected wash water class
The parameters such as type and flow replace the air distribution plate of different ventilative rates and open-cellular form, to form the flow field of different shape between electric field,
It tests under different flow fields, the pollutant removing efficiency of each dust collecting pole plate.
Occupation mode 4：This occupation mode is similar with occupation mode 1, difference part be only that, fixed-analog gas type and
Flow, air distribution plate type, high voltage power supply output voltage, discharge electrode and dust collecting pole plate type, water collection sheet rotation angle, ejected wash water class
The parameters such as type and flow by adjusting the position of position limiting slide block, continuously adjust dust collecting pole plate with receiving in the range of 180~300mm
Spacing between dirt pole plate, dust collecting pole plate and discharge electrode, test dust collecting pole plate is in different interpolars away from lower flash-over characteristic and pollutant
Removal efficiency.
Occupation mode 5：This occupation mode is similar with occupation mode 1, difference part be only that, fixed-analog gas type and
Flow, air distribution plate type, interelectrode distance, discharge electrode and dust collecting pole plate type, water collection sheet rotation angle, ejected wash water type and stream
The parameters such as amount change high voltage power supply output voltage, test the pollutant removing efficiency of dust collecting pole plate under different voltages.
Occupation mode 6：This occupation mode is similar with occupation mode 1, difference part be only that, fixed-analog gas type and
Flow, air distribution plate type, interelectrode distance, high voltage power supply output voltage, water collection sheet rotation angle, ejected wash water type and flow etc.
Parameter replaces unlike material and the dust collecting pole plate of type by the fixing bolt for dismounting pole plate fixture, tests different dust collecting pole plates
Pollutant removing efficiency；Discharge electrode fixing bolt on dismounting copper bar to replace different types of discharge electrode, put by test difference
Electrode corona discharge characteristic.
Occupation mode 7：This occupation mode is similar with occupation mode 1, difference part be only that, fixed-analog gas type and
Flow, air distribution plate type, interelectrode distance, high voltage power supply output voltage, discharge electrode and dust collecting pole plate type, ejected wash water type and
The parameters such as flow, rotation tommy bar make water collection sheet rotate to 0 ° of position, and three catch basins, in parastate, are carried out and surveyed with dust collecting pole plate
The shower water pollutant content that three catch basins collect is analyzed in examination, studies the contamination control energy of different dust collecting pole plates
Power.Rotation tommy bar makes water collection sheet rotate to 90 ° of positions, and three catch basins in vertical state, carry out test, profit with dust collecting pole plate
The shower water of three sections before, during and after collecting dust collecting pole plate respectively with three catch basins, the shower water that three catch basins are collected
Middle pollutant load is analyzed, and is studied in the pollutant removing efficiency along each section of gas flow direction top crown, is pole plate
Local optimum design provide reference.
Occupation mode 8：This occupation mode is similar with occupation mode 1, difference part be only that, fixed-analog gas type and
Flow, air distribution plate type, interelectrode distance, high voltage power supply output voltage, discharge electrode and pole plate type, water collection sheet rotation angle etc.
Parameter is passed through the shower water containing different agents, different flow to overflow pipe, and test is passed through different agents, different flow rushes
During water drenching, dust collecting pole plate is to the removal efficiency of pollutant.
Claims (10)
1. a kind of wet cottrell performance testing device, air inlet and air outlet including being arranged on dedusting cavity both ends,
And it is arranged on the discharge electrode and dust collecting pole plate of dedusting inside cavity, it is characterised in that：It further includes with multiple independent catch basins
Water collection sheet, the water collection sheet can be rotatably set in below dust collecting pole plate.
2. wet cottrell performance testing device according to claim 1, it is characterised in that：The water collection sheet is transversal
Face is square, and water collection sheet is equipped with the eaves formula catch basin that multiple centres are low, both ends are high；The middle part of the catch basin is equipped with out
The mouth of a river, each water outlet are connected with independent hose, for shower water to be drawn dedusting cavity respectively.
3. wet cottrell performance testing device according to claim 2, it is characterised in that：The water collection sheet bottom
It is equipped with vertical hollow cylinder between two parties, the hollow cylinder passes through the bottom plate of dedusting cavity to extend to dedusting containment portion；It is described
Water collection sheet can be moved by shaft rotation of hollow cylinder.
4. the wet cottrell performance testing device according to any claim in claims 1 to 3, feature exist
In：Catch basin there are three being set on the water collection sheet.
5. wet cottrell performance testing device according to claim 1, it is characterised in that：The dedusting cavity
Top plate is equipped with the strip mounting hole for installing discharge electrode and/or dust collecting pole plate；The discharge electrode or dust collecting pole plate pass through
It is arranged on the position limiting slide block above strip mounting hole and is slidably mounted and be fixed below mounting hole.
6. wet cottrell performance testing device according to claim 5, it is characterised in that：Further include pole plate folder
Tool, the lower end of the pole plate fixture connect fixation with dust collecting pole plate, and the upper end of the pole plate fixture is equipped with pole plate caging bolt, institute
The mounting hole for stating pole plate caging bolt from dedusting cavity top plate is pierced by upwards, and fixation is connect with position limiting slide block.
7. wet cottrell performance testing device according to claim 1, it is characterised in that：Before the dedusting cavity
End is equipped with air distribution plate slot, is fitted with air distribution plate in the air distribution plate slot, and the air distribution plate is plate-like structure, upper weld
There is handle.
8. wet cottrell performance testing device according to claim 7, it is characterised in that：It is opened on the air distribution plate
There is circle hole shape wind distributing hole, cloth wind rate is 19%.
9. wet cottrell performance testing device according to claim 1, it is characterised in that：The dedusting cavity
Air inlet and air outlet are bell shape, and the relatively narrow place in horn mouth front end is equipped with vortex-shedding meter, temp probe and/or entrance
Thief hole.
10. wet cottrell performance testing device according to claim 9, it is characterised in that：The dedusting cavity
Top is equipped with electric cabinet, and the electric cabinet is equipped with total start-stop controller, flow indicator, wind pressure display, temperature indicator
And/or high-voltage output power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721222532.5U CN207576662U (en) | 2017-09-18 | 2017-09-18 | A kind of wet cottrell performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721222532.5U CN207576662U (en) | 2017-09-18 | 2017-09-18 | A kind of wet cottrell performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207576662U true CN207576662U (en) | 2018-07-06 |
Family
ID=62728640
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721222532.5U Expired - Fee Related CN207576662U (en) | 2017-09-18 | 2017-09-18 | A kind of wet cottrell performance testing device |
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| Country | Link |
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| CN (1) | CN207576662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520053A (en) * | 2017-09-18 | 2017-12-29 | 华中科技大学 | A kind of wet cottrell performance testing device |
-
2017
- 2017-09-18 CN CN201721222532.5U patent/CN207576662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520053A (en) * | 2017-09-18 | 2017-12-29 | 华中科技大学 | A kind of wet cottrell performance testing device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20190918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |