CN209687625U - A kind of mixer for multi fuel combustion system gas engine - Google Patents
A kind of mixer for multi fuel combustion system gas engine Download PDFInfo
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- CN209687625U CN209687625U CN201920315754.4U CN201920315754U CN209687625U CN 209687625 U CN209687625 U CN 209687625U CN 201920315754 U CN201920315754 U CN 201920315754U CN 209687625 U CN209687625 U CN 209687625U
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- gas
- outer housing
- cavity
- core
- low heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
This application discloses a kind of mixers for multi fuel combustion system gas engine, including blender body, blender body includes outer housing, outer housing is set as cylindrical cavity structure closed at one end, that the other end is open, the core of inner hollow is arranged in outer housing, the two sides of core are respectively provided with an annular connecting plate；One end of core is detachably connected by the open end of annular connecting plate and outer housing, and the other end of core is resisted against on the inner wall of outer housing closed end by annular connecting plate；The fuel gas with low heat value cavity, high heating value combustion gas cavity and exhaust gas cavity being sequentially arranged are formed between the outer wall of core and the inner wall of the outer housing, and the fuel gas with low heat value cavity, high heating value combustion gas cavity are not connected to exhaust gas cavity；The fresh air of exhaust gas and air inlet that fuel gas with low heat value or high heating value combustion gas are discharged with gas inlet hole is sufficiently mixed by this mixer, in conjunction with exhaust mixer, the function of fuel gas mixer, applicability is wider.
Description
Technical field
This application involves gas engine technical fields, and in particular to one kind is used for multi fuel combustion system gas engine
Mixer.
Background technique
In the prior art, factory's power generation or engine are burnt using bavin Water Oil Or Gas as fuel.Due to fuel oil
It is non-renewable resources, as consumption increases, price is more and more expensive, and exhaust emission is serious.With adding for environmentally friendly dynamics
By force, fuel oil is gradually replaced by natural gas.However, natural gas relative price is higher, operation cost is increased.Biomass fuel source
Extensively, technology of preparing is also mature, and price is lower with respect to natural gas, and does not generate pollution, can effectively alleviate the energy such as natural gas
Source uses pressure.However biomass fuel calorific value is lower, complicated component, will affect engine operation and power, in the prior art
The gas engine that some producers produce or devise natural gas and biomass fuel while using, but lack corresponding mixing
Device.
The mixer of current EGR natural gas engine is divided into fuel gas mixer and exhaust mixer, and fuel gas mixer is used
In mixed gas and fresh air, exhaust mixer is used for the air mixture formed in fuel gas mixer and takes in exhaust pipe
Exhaust gas mixed；It needs to improve this exhaust mixer, be used in conjunction with adapting to natural gas and biomass fuel
Mixer.
Summary of the invention
The purpose of the application is in view of the drawbacks of the prior art and insufficient, provides and a kind of fires for multi fuel combustion system
The mixer of gas engine, to solve the problems, such as proposed in background technique.
To achieve the above object, the application the technical solution adopted is that: one kind is started for the combustion gas of multi fuel combustion system
The mixer of machine, it is characterised in that: including blender body, the blender body includes outer housing, the outer housing setting
Closed end for the cylindrical cavity structure that closed at one end, the other end are open, the outer housing has a closed plate, the closing
There is an air inlet on plate；The core of inner hollow is arranged in the outer housing, the two sides of the core are respectively provided with
One annular connecting plate；One end of the core is detachably connected by the open end of annular connecting plate and the outer housing, described
The other end of core is resisted against on the inner wall of outer housing closed end by annular connecting plate；The outer wall of the core and the shell
The fuel gas with low heat value cavity, high heating value combustion gas cavity and exhaust gas cavity being sequentially arranged, and the low-heat are formed between the inner wall of body
Value combustion gas cavity, high heating value combustion gas cavity are not connected to exhaust gas cavity；Be provided on the outer housing fuel gas with low heat value air inlet,
The core opening of high heating value gas inlet and waste gas inlet, side corresponding to the open end of the outer housing goes out for gaseous mixture
Port；The fuel gas with low heat value cavity is connected to fuel gas with low heat value air inlet；The high heating value combustion gas cavity is connected to high heating value combustion gas
Air inlet；The exhaust gas cavity is connected to waste gas inlet；
Two ring packings protrusion is equipped between the outer housing and core, and the two ring packing protrusions are divided into low-heat
It is worth between combustion gas cavity and high heating value combustion gas cavity, between high heating value combustion gas cavity and exhaust gas cavity；
Multiple gas injections in cross shape are provided on core inner wall corresponding to the fuel gas with low heat value cavity
Pipe is penetrated, the fuel gas injection pipe is connected to fuel gas with low heat value cavity, has been evenly arranged several fuel gas injections on the fuel gas injection pipe
Hole；
Several high heating value gas inlets hole is evenly arranged on core inner wall corresponding to the high heating value combustion gas cavity；
Several gas inlet holes are evenly arranged on core inner wall corresponding to the exhaust gas cavity.
Further, low calorie fuels pipeline, the low calorie fuels are communicated on the outside of the fuel gas with low heat value air inlet
Duct wrap is connected to heating device.
Wherein, the heating device includes heated shell and multiple heating fins for being plugged in heated shell, Duo Gejia
Hot fin parallel connection is electrically connected；The heating fin connects external power supply, outer housing corresponding to the high heating value combustion gas cavity
On be provided with temperature sense probe, the temperature sense probe is electrically connected with temperature inductor, the temperature inductor it is normally closed
Contact is connected in series in the circuit of external power supply and heating fin.
Further, the fuel gas with low heat value air inlet and the ipsilateral setting of waste gas inlet, and the high heating value combustion gas into
The opposite side of fuel gas with low heat value air inlet and waste gas inlet is arranged in port.
Further, the closed end place of offseting of the annular connecting plate and outer housing is provided with O-ring seals；The annular
The open end junction of connecting plate and outer housing is provided with sealing ring.
Further, the two ring packing protrusions and core junction are provided with O-ring seals.
Further, the lower end of the outer housing is respectively arranged with an installation base in the two sides of high heating value gas inlet
Seat, the outer housing are respectively arranged with installation otic placode in two sides, are provided with mounting hole, the installation pedestal on the installation otic placode
On be correspondingly arranged on threaded hole, the outer housing passes through threaded hole and installation base on installation otic placode and installation pedestal by bolt
Seat is fixedly connected.
Preferably, the installation pedestal is set as truncated rectangular pyramids structure, and the upper surface of the truncated rectangular pyramids is provided with for outer housing
The semi-circular recesses of placement are provided with damping dottle pin in the semi-circular recesses；The lower end surface of the truncated rectangular pyramids is provided with damping
Dottle pin.
After adopting the above structure, the application has the beneficial effect that the application's is used for multi fuel combustion system gas engine
Mixer, the closed end of including outer housing and core, outer housing has an air inlet, enters out of air inlet new
Fresh air forms not connected fuel gas with low heat value cavity, high heating value combustion gas cavity and exhaust gas cavity between outer housing and core,
It is provided with fuel gas with low heat value air inlet, high heating value gas inlet and waste gas inlet on outer housing, fuel gas with low heat value air inlet,
High heating value gas inlet and waste gas inlet by different pipelines and different control valves be separately connected fuel gas with low heat value storage tank,
High heating value combustion gas storage tank and exhaust piping；Fuel gas with low heat value inlet charge or high heating value combustion gas are controlled by different control valves
Inlet charge and the amount for controlling air inlet；Enter high heating value combustion gas by the high heating value gas inlet hole on core；Pass through core
Inner wall coconnected fuel gas injection pipe has been evenly arranged several gas injection holes on fuel gas injection pipe and has entered fuel gas with low heat value, this
The fresh air of fuel gas with low heat value or high heating value combustion gas and gas inlet hole are discharged kind mixer exhaust gas and air inlet
It is sufficiently mixed, is discharged by gaseous mixture gas outlet, exhaust mixer, the function of fuel gas mixer of this mixer combination,
Meanwhile realizing the effect of high heating value combustion gas and fuel gas with low heat value mixing, applicability is wider, easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application；
Fig. 2 is A direction view in Fig. 1 of the application；
Fig. 3 is the application cross-sectional view.
Description of symbols:
1, outer housing；2, closed plate；3, air inlet；4, core；5, annular connecting plate；6, fuel gas with low heat value cavity；
7, high heating value combustion gas cavity；8, exhaust gas cavity；9, fuel gas with low heat value air inlet；10, high heating value gas inlet；11, exhaust gas into
Port；12, gaseous mixture gas outlet；13, ring packing protrusion；14, fuel gas injection pipe；15, gas injection hole；16, high heating value fires
Gas air inlet；17, gas inlet hole；18, heating device；19, installation pedestal；20, otic placode is installed；21, bolt.
Specific embodiment
The application is further described with reference to the accompanying drawing.
In order to which the objects, technical solutions and advantages of the application are more clearly understood, below in conjunction with attached drawing and specific implementation
The application is further elaborated in mode.It should be appreciated that the specific embodiments described herein are only to explain this
Application is not used to limit the application.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of mixer for multi fuel combustion system gas engine, including mixer
Ontology, the blender body include outer housing 1, and the outer housing 1 is set as cylindric sky closed at one end, that the other end is open
Cavity configuration, the closed end of the outer housing 1 have a closed plate 2, have an air inlet 3 in the closed plate 2；It is described outer
Shell 1 is made up with closed plate 2 of welding or integrated molding；The air inlet 3 connects outside air filtering by pipeline
Device, to enter fresh air from air inlet；The core 4 of inner hollow, the core 4 are arranged in the outer housing 1
Two sides be respectively provided with an annular connecting plate 5；Two annular connecting plates 5 are arranged in by being welded and fixed or being integrally formed mode
4 two sides of core；One end of the core 4 is detachably connected by annular connecting plate 5 and the open end of the outer housing, feasible
, connecting hole, the spiral shell with corresponding position on 5 periphery of annular connecting plate are provided on the outside of the open end of the outer housing 1
Pit, the outer housing 1 are attached with an annular connecting plate 5 by bolt；The other end of the core 4 passes through annular connection
Plate 5 is resisted against on the inner wall of 1 closed end of outer housing；It is formed sequentially between the outer wall of the core 4 and the inner wall of the outer housing 1
Fuel gas with low heat value cavity 6, high heating value combustion gas cavity 7 and the exhaust gas cavity 8 of arrangement, and the fuel gas with low heat value cavity 6, high heating value
Combustion gas cavity 7 is not connected to exhaust gas cavity 8；Feasible, the exhaust gas cavity 8 is set to be set far from 12 side of gaseous mixture gas outlet
It sets, fuel gas with low heat value air inlet 9, high heating value gas inlet 10 and waste gas inlet 11 is provided on the outer housing 1, it is described
The outlet of core 1 corresponding to the open end of outer housing 1 is gaseous mixture gas outlet 12；The fuel gas with low heat value cavity 6 is connected to low-heat
It is worth gas inlet 9；The high heating value combustion gas cavity 7 is connected to high heating value gas inlet 10；The exhaust gas cavity 8 is connected to exhaust gas
Air inlet 11；Two ring packing protrusions 13 are equipped between the outer housing 1 and core 4, and two ring packings are 13 points raised
Between fuel gas with low heat value cavity 6 and high heating value combustion gas cavity 7, between high heating value combustion gas cavity 7 and exhaust gas cavity 8；It is described
Multiple fuel gas injection pipes 14 in cross shape are provided on 4 inner wall of core corresponding to fuel gas with low heat value cavity 6, it is described
Fuel gas injection pipe 14 is connected to fuel gas with low heat value cavity 6, has been evenly arranged several gas injection holes 15 on the fuel gas injection pipe 14；
Several high heating value gas inlets hole 16 is evenly arranged on 4 inner wall of core corresponding to the high heating value combustion gas cavity 7；It is described useless
Several gas inlet holes 17 are evenly arranged on 4 inner wall of core corresponding to gas cavity 9.In this application, fuel gas with low heat value into
Port 9, high heating value gas inlet 10 and waste gas inlet 11 are respectively provided with fuel gas with low heat value air inlet pipe, high heating value gas inlet
Pipe and exhaust inlet pipe, and connection method is provided on fuel gas with low heat value air inlet pipe, high heating value gas inlet pipe and exhaust inlet pipe
It is blue；The air inlet 3 is provided with air intake duct, is provided with connecting flange on air intake duct 3；The gaseous mixture outlet
Mouth 12 is also equipped with connecting flange, facilitates the connection of later period and associated conduit or equipment；The application's is used for multi fuel burning side
The closed end of the mixer of formula gas engine, including outer housing 1 and core 4, outer housing 1 has an air inlet 3, from sky
Enter fresh air in gas air inlet 3, forms not connected fuel gas with low heat value cavity 6, high fever between outer housing 1 and core 4
Be worth combustion gas cavity 7 and exhaust gas cavity 8, be provided on outer housing 1 fuel gas with low heat value air inlet 9, high heating value gas inlet 10 and
Waste gas inlet 11, fuel gas with low heat value air inlet 9, high heating value gas inlet 10 and waste gas inlet 11 by different pipelines and
Different control valves are separately connected fuel gas with low heat value storage tank, high heating value combustion gas storage tank and exhaust piping；Pass through different control valves
It controls 9 air inlet of fuel gas with low heat value air inlet or 10 air inlet of high heating value gas inlet and controls the amount of air inlet；By on core 4
High heating value gas inlet hole 16 enters high heating value combustion gas；Pass through the coconnected fuel gas injection pipe 14 of 4 inner wall of core, fuel gas injection pipe
Several gas injection holes 15 are evenly arranged on 14 into fuel gas with low heat value, this mixer fires fuel gas with low heat value or high heating value
The fresh air of exhaust gas and air inlet 3 that gas is discharged with gas inlet hole 17 is sufficiently mixed, by gaseous mixture gas outlet
12 discharges, exhaust mixer, the function of fuel gas mixer of this mixer combination, meanwhile, realize high heating value combustion gas and low-heat
It is worth the effect of combustion gas mixing, applicability is wider, easy to use.
Fuel gas with low heat value is set as biological fuel gas in this application；High heating value combustion gas is set as natural gas.
In a further embodiment, it is communicated with low calorie fuels pipeline on the outside of the fuel gas with low heat value air inlet 9, it is described
Low calorie fuels duct wrap is connected to heating device 18.
Wherein, the heating device 18 includes heated shell and the multiple heating fins being plugged in heated shell, multiple
Fin parallel connection is heated to be electrically connected；The heating fin connects external power supply, shell corresponding to the high heating value combustion gas cavity
Be provided with temperature sense probe on body, the temperature sense probe is electrically connected with temperature inductor, the temperature inductor it is normal
It closes contact to be connected in series in the circuit of external power supply and heating fin, when temperature inductor detects temperature higher than set
When maximum temperature, normally closed interlock is disconnected, and stops heating, when temperature is reduced to setting minimum temperature or less, normally closed interlock closure,
Re-start heating.The fuel gas with low heat value that fuel gas with low heat value air inlet 9 is entered by being provided with heating device 18 in the application
It is heated, so that fuel gas with low heat value, exhaust gas and fresh air mixing are more uniform.
In a further embodiment, the fuel gas with low heat value air inlet 9 and the ipsilateral setting of waste gas inlet 11, and it is described
The opposite side of fuel gas with low heat value air inlet 9 Yu waste gas inlet 11 is arranged in high heating value gas inlet 10；This setup,
On the one hand can facilitate pipe laying, on the other hand, waste gas inlet 11 enter exhaust gas temperature is higher and fuel gas with low heat value into
Port 9 is arranged in ipsilateral, plays the role of heating fuel gas with low heat value in fuel gas with low heat value inlet port 9.
In a further embodiment, it is close to be provided with O shape for the closed end place of offseting of the annular connecting plate 5 and outer housing 1
Seal；The open end junction of the annular connecting plate 5 and outer housing 1 is provided with sealing ring.
In a further embodiment, the two ring packing protrusions 13 are provided with O-ring seals with 4 junction of core.
Increase sealing ring in the coupling part of core 4 and outer housing 1 in the application, considerably increase the sealing performance of entire mixer,
And prevent gas from leaking.
In a further embodiment, the lower end of the outer housing 1 is set respectively in the two sides of high heating value gas inlet 10
It is equipped with an installation pedestal 19, the outer housing 1 is respectively arranged with installation otic placode 20 in two sides, is provided on the installation otic placode 20
Mounting hole, is correspondingly arranged on threaded hole in the installation pedestal 19, the outer housing 1 by bolt 21 pass through installation otic placode 20 and
Threaded hole in installation pedestal 19 is fixedly connected with installation pedestal 19.
Preferably, the installation pedestal 19 is set as truncated rectangular pyramids structure, and the upper surface of the truncated rectangular pyramids is provided with for shell
The semi-circular recesses that body is placed are provided with damping dottle pin in the semi-circular recesses；The lower end surface of the truncated rectangular pyramids, which is provided with, to be subtracted
Shake dottle pin.It is provided with installation pedestal 19 in the application, which is supported, integrally-built stability can be increased.
The above is only to illustrate the technical solution of the application rather than limits, and those of ordinary skill in the art are to this Shen
The other modifications or equivalent replacement that technical solution please is made, without departing from the spirit and scope of technical scheme,
It should all cover in claims hereof range.
Claims (8)
1. a kind of mixer for multi fuel combustion system gas engine, it is characterised in that: described including blender body
Blender body includes outer housing, and the outer housing is set as cylindrical cavity structure closed at one end, that the other end is open, described
The closed end of outer housing has a closed plate, has an air inlet in the closed plate；In being arranged in the outer housing
The hollow core in portion, the two sides of the core are respectively provided with an annular connecting plate；One end of the core passes through annular connecting plate
It is detachably connected with the open end of the outer housing, the other end of the core is resisted against outer housing closing by annular connecting plate
On the inner wall at end；Formed between the outer wall of the core and the inner wall of the outer housing fuel gas with low heat value cavity being sequentially arranged,
High heating value combustion gas cavity and exhaust gas cavity, and the fuel gas with low heat value cavity, high heating value combustion gas cavity are not connected to exhaust gas cavity；
Fuel gas with low heat value air inlet, high heating value gas inlet and waste gas inlet are provided on the outer housing, the outer housing
The core opening of side corresponding to open end is gaseous mixture gas outlet；The fuel gas with low heat value cavity is connected to fuel gas with low heat value air inlet
Mouthful；The high heating value combustion gas cavity is connected to high heating value gas inlet；The exhaust gas cavity is connected to waste gas inlet；
Two ring packings protrusion is equipped between the outer housing and core, and the two ring packing protrusions are divided into low heat value combustion
Between gas cavity and high heating value combustion gas cavity, between high heating value combustion gas cavity and exhaust gas cavity；
Multiple fuel gas injection pipes in cross shape are provided on core inner wall corresponding to the fuel gas with low heat value cavity,
The fuel gas injection pipe is connected to fuel gas with low heat value cavity, has been evenly arranged several gas injection holes on the fuel gas injection pipe；
Several high heating value gas inlets hole is evenly arranged on core inner wall corresponding to the high heating value combustion gas cavity；
Several gas inlet holes are evenly arranged on core inner wall corresponding to the exhaust gas cavity.
2. a kind of mixer for multi fuel combustion system gas engine according to claim 1, it is characterised in that:
Low calorie fuels pipeline is communicated on the outside of the fuel gas with low heat value air inlet, the low calorie fuels duct wrap is connected to heating dress
It sets.
3. a kind of mixer for multi fuel combustion system gas engine according to claim 2, it is characterised in that:
The heating device includes heated shell and multiple heating fins for being plugged in heated shell, multiple heating fins electrical property in parallel
Connection；The heating fin connects external power supply, is provided with temperature sense on outer housing corresponding to the high heating value combustion gas cavity
It should pop one's head in, the temperature sense probe is electrically connected with temperature inductor, and the normally closed interlock of the temperature inductor is connected in series in
In the circuit of external power supply and heating fin.
4. a kind of mixer for multi fuel combustion system gas engine according to claim 1, it is characterised in that:
The fuel gas with low heat value air inlet and the ipsilateral setting of waste gas inlet, and high heating value gas inlet setting is fired in low heat value
The opposite side of gas air inlet and waste gas inlet.
5. a kind of mixer for multi fuel combustion system gas engine according to claim 1, it is characterised in that:
The closed end place of offseting of the annular connecting plate and outer housing is provided with O-ring seals；The annular connecting plate and outer housing
Open end junction is provided with sealing ring.
6. a kind of mixer for multi fuel combustion system gas engine according to claim 1, it is characterised in that:
The two ring packing protrusions and core junction are provided with O-ring seals.
7. a kind of mixer for multi fuel combustion system gas engine according to claim 1, it is characterised in that:
The lower end of the outer housing is respectively arranged with an installation pedestal in the two sides of high heating value gas inlet, and the outer housing is in two sides
It is respectively arranged with installation otic placode, mounting hole is provided on the installation otic placode, is correspondingly arranged on threaded hole in the installation pedestal,
The outer housing passes through the threaded hole on installation otic placode and installation pedestal by bolt and is fixedly connected with installation pedestal.
8. a kind of mixer for multi fuel combustion system gas engine according to claim 7, it is characterised in that:
The installation pedestal is set as truncated rectangular pyramids structure, and it is recessed that the upper surface of the truncated rectangular pyramids is provided with the semicircle placed for outer housing
Slot is provided with damping dottle pin in the semi-circular recesses；The lower end surface of the truncated rectangular pyramids is provided with damping dottle pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315754.4U CN209687625U (en) | 2019-03-13 | 2019-03-13 | A kind of mixer for multi fuel combustion system gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315754.4U CN209687625U (en) | 2019-03-13 | 2019-03-13 | A kind of mixer for multi fuel combustion system gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209687625U true CN209687625U (en) | 2019-11-26 |
Family
ID=68604646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920315754.4U Expired - Fee Related CN209687625U (en) | 2019-03-13 | 2019-03-13 | A kind of mixer for multi fuel combustion system gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209687625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751150A (en) * | 2019-03-13 | 2019-05-14 | 江苏新能动力科技股份有限公司 | A kind of mixer for multi fuel combustion system gas engine |
-
2019
- 2019-03-13 CN CN201920315754.4U patent/CN209687625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751150A (en) * | 2019-03-13 | 2019-05-14 | 江苏新能动力科技股份有限公司 | A kind of mixer for multi fuel combustion system gas engine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |