CN204910581U - Oil drum goods shelves shower nozzle of putting out a fire - Google Patents
Oil drum goods shelves shower nozzle of putting out a fire Download PDFInfo
- Publication number
- CN204910581U CN204910581U CN201520531950.7U CN201520531950U CN204910581U CN 204910581 U CN204910581 U CN 204910581U CN 201520531950 U CN201520531950 U CN 201520531950U CN 204910581 U CN204910581 U CN 204910581U
- Authority
- CN
- China
- Prior art keywords
- fire
- tube
- oil drum
- water
- direct current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Unwinding Of Filamentary Materials (AREA)
Abstract
The utility model discloses an oil drum goods shelves shower nozzle of putting out a fire, including the stationary magazine creel, install the direct -current tube in the stationary magazine creel, it has two curved sideward flow ways to open between direct -current tube and the stationary magazine creel inner wall, the current -limiting cap top upwards stuck out is provided with on the top of direct -current tube, the current -limiting cap comprises a plurality of current -limiting pieces, it has movable groove to open at the middle part that once -through water said, interval distribution's restrictor plate slides and sets up at the activity inslot about in the of two, on the once -through water way, the hose that two lower go sides partially do not run through two restrictor plate is linked together, splash box rotates and sets up on the extension end outer wall of direct -current tube. The utility model discloses can a plurality of cooperations use, install respectively promptly in the bottom of the lateral wall and the crossbeam of storage rack, carry out all -round cover to a plurality of or individualistic oil drum, in case the intensity of a fire appears on the storage rack, then the fire water say through once -through water and say with sideward flow that the very first time sprays the oil drum, guarantee the no blind spot that sprays of oil drum, guarantee that the safety of oil drum is stored.
Description
Technical field
The utility model relates to a kind of logistics warehouse equipment, specifically refers to a kind of oil drum shelf fire extinguishing sprayer.
Background technology
Oil plant has the features such as inflammable, explosive, defeated turn of oil plant, store, in overhaul of the equipments mechanism, must strictly press regulation and standardization work flow and operate.Particularly in the transfer storing process of oil plant, for convenience of the quick selection of barreled oil plant, be usually lifted on multi-functional storage rack, and then be convenient to bookkeeping while Appropriate application storage space.It should be noted that, storage rack must be provided with spray system to tackle the intensity of a fire situation of burst in time, but spray system is when breaking out of fire, fire water is evenly spilt by spray head, control is played to the intensity of a fire of certain area, and common shower header type has sagging type, erect type, plain edition and abutment wall type, the spray scope of above-mentioned all kinds of spray head is generally determined, be the blind area, local making up fire retarding division, generally in fire retarding division, increase the quantity of spray head to realize its object, a large amount of fire waters can be consumed during fire extinguishing, and it is low to the suppression efficiency of the intensity of a fire, simultaneously because hot environment makes to form large-area steam in fire retarding division, be unfavorable for the transfer to oil plant of fire fighter during subsequent treatment.
Utility model content
The purpose of this utility model is to provide a kind of oil drum shelf fire extinguishing sprayer, ensures water curtain for fire-proof storage rack when there is the intensity of a fire by all fiery Vertex cover, and then reaches the object putting out intensity of a fire protection oil plant.
The purpose of this utility model is achieved through the following technical solutions:
A kind of oil drum shelf fire extinguishing sprayer, comprise stationary magazine creel, be provided with in described stationary magazine creel and be communicated with it and outward extending DC tube, the lateral channel of two arcs is had between DC tube and stationary magazine creel inwall, direct current water channel is provided with in described DC tube, the current limliting cap that top projects upwards is provided with on the top of DC tube, described current limliting cap is made up of multiple constrictor be distributed in ringwise on the end face of DC tube top, described constrictor is elastic caoutchouc, and the thickness of constrictor is radiated to DC tube upper end end face direction along its top increases progressively, loose slot is had at the middle part of direct current water channel, about two current limiting plates spaced apart are slidably arranged in loose slot, and direct current water channel is upper, lower two flexible pipes running through two current limiting plates respectively by end are connected, the length of described flexible pipe is greater than the spacing of two current limiting plates, at the end of direct current water channel, multiple spiral protrusion is also installed, also comprise the splash box matched with lateral channel, described splash box rotates and is arranged on the elongated end outer wall of DC tube.
The utility model can multiple cooperation with the use of, namely the sidewall of storage rack and the bottom of crossbeam is arranged on respectively, comprehensive covering is carried out to multiple or single oil drum, once there is the intensity of a fire in storage rack, then fire water was sprayed oil drum by direct current water channel and the lateral channel very first time, ensure that the spray of oil drum is without blind spot, guarantees that the safety of oil drum is stored, during work, the outer wall of stationary magazine creel offers screw thread, system can be coordinated with various types of storage rack, and the end of stationary magazine creel is communicated with fire main, fire water flows to direct current water channel respectively by stationary magazine creel inwall, two lateral channels flow out, and under break-in effect in arcuate movement interval of the fire water of lateral channel between coordinate with the splash box of DC tube end, the excircle of described splash box has multiple breach, fire water and breach interact and then form the larger taper water curtain of basal diameter and cover on whole oil drum face, heat on isolated single oil barrel is to external radiation, and enter fast in flexible pipe under stop at current limiting plate of the fire water of direct current water channel, and the length of flexible pipe is greater than the spacing between two current limiting plates, therefore current can produce radial swing when moving in flexible pipe, namely the radial direction produced by a relatively large margin is rocked, and the fire-fighting current diametrically with certain initial velocity is under direct current water channel end guide function, directly point-to-point putting out is carried out to the ignition point on oil drum, when the fire water water yield in stationary magazine creel is less, by the Action of Gravity Field of fire water self, an outlet washed open by the open current limliting cap that DC tube top is formed by fire water, fire water directly ejects DC tube through direct current water channel, and the ignition point of oil drum outer wall is put out, when the fire water water yield in stationary magazine creel increases, the Action of Gravity Field effect of fire water increases, and by the water yield in direct current water channel under the break-in effect of the spiral protrusion of direct current water channel end, form the taper water curtain that a basal diameter continues to change, namely laddering putting out is carried out to the fire point on oil drum, and then avoid oil drum outer wall local temperature too high and blast, ensure water curtain for fire-proof storage rack when there is the intensity of a fire by all fiery Vertex cover, and then reach the object putting out intensity of a fire protection oil plant, and by the control to discharge in direct current water channel of current limliting cap, realize fast the intensity of a fire on oil drum shelf being put out within the scope of the limited water yield, reduce the use of the water yield, avoid in shelf and warehouse, occurring that too much fire-fighting is water stain simultaneously.
When in direct current water channel, fire water directly impacts current limiting plate, and unique exhalant canal is provided by flexible pipe, the instantaneous impulse of the fire water of namely being die-offed by space can sharply be increased, and directly impact current limiting plate 5 with on flexible pipe, be easy to cause current limiting plate and flexible pipe impaired and direct current water channel is blocked, reduce the spray site of fire water, be unfavorable for putting out of the intensity of a fire; And the utility model offers loose slot in the middle part of direct current water channel, make two current limiting plates can be freely up and down movable in loose slot, namely in the emitted dose of fire water in direct current water channel during cataclysm, utilize the up-down adjustment of current limiting plate in loose slot, to realize the object cushioned, and the circumferential outer edge of splash box upper surface is downward-sloping along its axis, when making by the fire water in lateral channel and splash box effect, reduce the rebound rate of fire water on splash box, the water curtain that splash box is formed more evenly is enriched, and then improves fire-fighting efficiency.And, current limliting cap is made up of multiple constrictor distributed on the end face of DC tube top ringwise, and the thickness of constrictor is radiated on the direction of DC tube top end face along its top and increases progressively, constrictor adopts elastomeric material, while the opening and closing freely of DC tube top can be ensured, improve the impact property of constrictor, and then realize the object in extension fixture service life.
Further, the internal diameter of described direct current water channel successively decreases along the flow direction of fire water.The fire-fighting water yield utilized for the fire point of single advantage in direct current water channel is greater than the water yield in lateral channel, therefore the flow direction that the internal diameter of direct current water channel is arranged along fire water is successively decreased, namely by the reduction between fire water motor area in volume, and then accelerate the speed of service of current, and then improve the swirl velocity of direct current water channel end, final increase, to the fast processing of fire point in local on oil drum, improves fire-fighting efficiency.
Further, the spacing between two described current limiting plates is 1/3rd or 1/4th of DC tube length.As preferably, two current limiting plates are fixed on the middle part of direct current water channel, and its spacing is 1/3rd or 1/4th of DC tube length, can ensure that the fire water entered in by direct current water channel is accelerated with superimposed at the rotation acceleration effect of the loose slot of direct current water channel end through radially wobbling of flexible pipe, finally make, by the taper water curtain sprayed in direct current water channel, there is the flexibility that size is adjustable, drop point site is adjustable, reduce the time that the intensity of a fire is put out, and then improve the efficiency of fire extinguishing.
The utility model compared with prior art, has following advantage and beneficial effect:
1, the length of the utility model flexible pipe is greater than the spacing between two current limliting caps, therefore current can produce radial swing when moving in flexible pipe, namely the radial direction produced by a relatively large margin is rocked, and the fire-fighting current diametrically with certain initial velocity is under the break-in effect of the spiral protrusion of direct current water channel end, form the taper water curtain that a basal diameter continues to change, this taper water curtain can ceaselessly change the drop point site on oil drum outer wall simultaneously, namely laddering putting out is carried out to the fire point on oil drum, and then avoid oil drum outer wall local temperature too high and blast, ensure water curtain for fire-proof storage rack when there is the intensity of a fire by all fiery Vertex cover, and then reach the object putting out intensity of a fire protection oil plant,
2, the fire-fighting water yield that the utility model utilizes for the fire point of single advantage in direct current water channel is greater than the water yield in lateral channel, therefore the flow direction that the internal diameter of direct current water channel is arranged along fire water is successively decreased, namely by the reduction between fire water motor area in volume, and then accelerate the speed of service of current, and then improve fire water at the amplitude of fluctuation of flexible pipe and the swirl velocity at direct current water channel end, final increase, to the fast processing of fire point in local on oil drum, improves fire-fighting efficiency;
3, in the utility model, two current limiting plates are fixed on the middle part of direct current water channel, and its spacing is 1/3rd or 1/4th of DC tube length, can ensure that the fire water entered in by direct current water channel is accelerated with superimposed at the rotation acceleration effect of the loose slot of direct current water channel end through radially wobbling of flexible pipe, finally make, by the taper water curtain sprayed in direct current water channel, there is the flexibility that size is adjustable, drop point site is adjustable, reduce the time that the intensity of a fire is put out, and then improve the efficiency of fire extinguishing.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is the structural representation of DC tube;
Mark and corresponding parts title in accompanying drawing:
1-stationary magazine creel, 2-lateral channel, 3-DC tube, 4-direct current water channel, 5-current limliting cap, 6-loose slot, 7-splash box, 8-flexible pipe, 9-constrictor, 10-spiral protrusion.
Detailed description of the invention
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As shown in Fig. 1 ~ Fig. 3, the present embodiment comprises stationary magazine creel 1, be provided with in described stationary magazine creel 1 and be communicated with it and outward extending DC tube 3, the lateral channel 2 of two arcs is had between DC tube 3 and stationary magazine creel 1 inwall, direct current water channel 4 is provided with in described DC tube 3, the current limliting cap that top projects upwards is provided with on the top of DC tube 3, described current limliting cap is made up of multiple constrictor 9 be distributed in ringwise on the end face of DC tube 3 top, described constrictor 9 is elastic caoutchouc, and the thickness of constrictor 9 is radiated to DC tube 3 upper end end face direction along its top increases progressively, , loose slot 6 is had at the middle part of direct current water channel 4, about two current limiting plates 5 spaced apart are slidably arranged in loose slot 6, and direct current water channel 4 is upper, lower two flexible pipes 8 running through two current limiting plates 5 respectively by end are connected, the length of described flexible pipe 8 is greater than the spacing of two current limiting plates 5, at the end of direct current water channel 4, multiple spiral protrusion 10 is also installed, also comprise the splash box 7 matched with lateral channel 2, described splash box 7 rotates and is arranged on the elongated end outer wall of DC tube 3.
The present embodiment can multiple cooperation with the use of, namely the sidewall of storage rack and the bottom of crossbeam is arranged on respectively, comprehensive covering is carried out to multiple or single oil drum, once there is the intensity of a fire in storage rack, then fire water was sprayed oil drum by direct current water channel 4 and lateral channel 2 very first time, ensure that the spray of oil drum is without blind spot, guarantees that the safety of oil drum is stored, during work, the outer wall of stationary magazine creel 1 offers screw thread, system can be coordinated with various types of storage rack, and the end of stationary magazine creel 1 is communicated with fire main, fire water flows to direct current water channel 4 respectively by stationary magazine creel 1 inwall, two lateral channels 2 flow out, and under break-in effect in arcuate movement interval of the fire water of lateral channel 2 between coordinate with the splash box 7 of DC tube 3 end, the excircle of described splash box 7 has multiple breach, fire water and breach interact and then form the larger taper water curtain of basal diameter and cover on whole oil drum face, heat on isolated single oil barrel is to external radiation, and enter fast in flexible pipe 8 under the stop of current limiting plate 5 through the fire water of direct current water channel 4, and the length of flexible pipe 8 is greater than the spacing between two current limiting plates 5, therefore current can produce radial swing when moving in flexible pipe 8, namely the radial direction produced by a relatively large margin is rocked, and the fire-fighting current diametrically with certain initial velocity is under direct current water channel 4 end guide function, directly point-to-point putting out is carried out to the ignition point on oil drum, and then avoid the ignition point place temperature on oil drum outer wall too high and blast, ensure water curtain for fire-proof storage rack when there is the intensity of a fire by all fiery Vertex cover, and then reach the object putting out intensity of a fire protection oil plant.
Wherein, when in direct current water channel 4, current limiting plate 5 is directly impacted in fire water, and unique exhalant canal is provided by flexible pipe 8, the instantaneous impulse of the fire water of namely being die-offed by space can sharply be increased, and directly impact current limiting plate 5 with on flexible pipe 8, be easy to cause current limiting plate 5 and flexible pipe 8 impaired and direct current water channel 4 is blocked, reduce the spray site of fire water, be unfavorable for putting out of the intensity of a fire; And the present embodiment offers loose slot 6 in the middle part of direct current water channel 4, make two current limiting plates 5 can be freely up and down movable in loose slot 6, namely in the emitted dose of fire water in direct current water channel 4 during cataclysm, utilize the up-down adjustment of current limiting plate 5 in loose slot 6, to realize the object cushioned, and the circumferential outer edge of splash box 7 upper surface is downward-sloping along its axis, when making to be acted on by the fire water in lateral channel 2 and splash box 7, reduce the rebound rate of fire water on splash box 7, the water curtain that splash box 7 is formed more evenly is enriched, and then improves fire-fighting efficiency.
When the fire water water yield in stationary magazine creel 1 is less, by the Action of Gravity Field of fire water self, fire water washes the open current limliting cap that DC tube 3 top is formed open an outlet, fire water directly ejects DC tube 3 through direct current water channel 4, and the ignition point of oil drum outer wall is put out, when the fire water water yield in stationary magazine creel 1 increases, the Action of Gravity Field effect of fire water increases, and by the water yield in direct current water channel 4 under the break-in effect of the spiral protrusion 10 of direct current water channel 4 end, form the taper water curtain that a basal diameter continues to change, namely laddering putting out is carried out to the fire point on oil drum, and then avoid oil drum outer wall local temperature too high and blast, ensure water curtain for fire-proof storage rack when there is the intensity of a fire by all fiery Vertex cover, and then reach the object putting out intensity of a fire protection oil plant, and by the control to discharge in direct current water channel 4 of current limliting cap, realize fast the intensity of a fire on oil drum shelf being put out within the scope of the limited water yield, reduce the use of the water yield, avoid in shelf and warehouse, occurring that too much fire-fighting is water stain simultaneously, and, current limliting cap is made up of multiple constrictor 9 distributed on the end face of DC tube 3 top ringwise, and the thickness of constrictor 9 is radiated on the direction of DC tube 3 top end face along its top and increases progressively, constrictor 9 adopts elastomeric material, while DC tube 3 top opening and closing freely can be ensured, improve the impact property of constrictor 9, and then realize the object in extension fixture service life.
The fire-fighting water yield utilized for the fire point of single advantage in direct current water channel 4 is greater than the water yield in lateral channel 2, therefore the flow direction that the internal diameter of direct current water channel 4 is arranged along fire water is successively decreased, namely by the reduction between fire water motor area in volume, and then accelerate the speed of service of current, and then improve the swirl velocity of direct current water channel 4 end, final increase, to the fast processing of fire point in local on oil drum, improves fire-fighting efficiency.
As preferably, two current limiting plates 5 are fixed on the middle part of direct current water channel 4, and its spacing is 1/3rd or 1/4th of DC tube 3 length, can ensure that the fire water entered in by direct current water channel 4 is accelerated with superimposed at the rotation acceleration effect of the loose slot 6 of direct current water channel 4 end through radially wobbling of flexible pipe 8, finally make, by the taper water curtain of ejection in direct current water channel 4, there is the flexibility that size is adjustable, drop point site is adjustable, reduce the time that the intensity of a fire is put out, and then improve the efficiency of fire extinguishing.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. an oil drum shelf fire extinguishing sprayer, comprise stationary magazine creel (1), it is characterized in that: be provided with in described stationary magazine creel (1) and be communicated with it and outward extending DC tube (3), the lateral channel (2) of two arcs is had between DC tube (3) and stationary magazine creel (1) inwall, direct current water channel (4) is provided with in described DC tube (3), the current limliting cap that top projects upwards is provided with on the top of DC tube (3), described current limliting cap is made up of multiple constrictor (9) be distributed in ringwise on the end face of DC tube (3) top, described constrictor (9) is elastic caoutchouc, and the thickness of constrictor (9) is radiated to DC tube (3) upper end end face direction along its top increases progressively, loose slot (6) is had at the middle part of direct current water channel (4), about two current limiting plates (5) spaced apart are slidably arranged in loose slot (6), and direct current water channel (4) is upper, lower two flexible pipes (8) running through two current limiting plates (5) respectively by end are connected, the length of described flexible pipe (8) is greater than the spacing of two current limiting plates (5), at the end of direct current water channel (4), multiple spiral protrusion (10) is also installed, also comprise the splash box (7) matched with lateral channel (2), described splash box (7) rotates and is arranged on the elongated end outer wall of DC tube (3).
2. a kind of oil drum shelf fire extinguishing sprayer according to claim 1, is characterized in that: the internal diameter of described direct current water channel (4) successively decreases along the flow direction of fire water.
3. the firebreak device for storing shelf according to claim 1, is characterized in that: the spacing between two described current limiting plates (5) is 1/3rd or 1/4th of DC tube (3) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531950.7U CN204910581U (en) | 2015-07-22 | 2015-07-22 | Oil drum goods shelves shower nozzle of putting out a fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531950.7U CN204910581U (en) | 2015-07-22 | 2015-07-22 | Oil drum goods shelves shower nozzle of putting out a fire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204910581U true CN204910581U (en) | 2015-12-30 |
Family
ID=54959768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520531950.7U Expired - Fee Related CN204910581U (en) | 2015-07-22 | 2015-07-22 | Oil drum goods shelves shower nozzle of putting out a fire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204910581U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492385A (en) * | 2016-12-27 | 2017-03-15 | 威特龙消防安全集团股份公司 | A kind of heavy pressure fine spray atomizer and spray pistol |
| CN110237465A (en) * | 2019-05-29 | 2019-09-17 | 周训伦 | A kind of comprehensive self-extinguishing machine people of outer eight diffusion types |
| CN115300825A (en) * | 2018-03-08 | 2022-11-08 | 维克托里克公司 | Fire suppression sprinkler and deflector |
-
2015
- 2015-07-22 CN CN201520531950.7U patent/CN204910581U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492385A (en) * | 2016-12-27 | 2017-03-15 | 威特龙消防安全集团股份公司 | A kind of heavy pressure fine spray atomizer and spray pistol |
| CN115300825A (en) * | 2018-03-08 | 2022-11-08 | 维克托里克公司 | Fire suppression sprinkler and deflector |
| CN110237465A (en) * | 2019-05-29 | 2019-09-17 | 周训伦 | A kind of comprehensive self-extinguishing machine people of outer eight diffusion types |
| CN110237465B (en) * | 2019-05-29 | 2020-10-16 | 湖北博利特种汽车装备股份有限公司 | Eight-out-diffusion type all-dimensional automatic fire extinguishing robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204910581U (en) | Oil drum goods shelves shower nozzle of putting out a fire | |
| CN204910548U (en) | Crossbeam goods shelves fire sprinkler system | |
| CN105013109A (en) | Storage rack spraying system | |
| KR100933004B1 (en) | Injection nozzle for fire fighting hose | |
| CN104958857A (en) | Spray structure for extinguishing oil drum storage rack | |
| CN204910549U (en) | A firebreak device for storing goods shelves | |
| CN204158924U (en) | A kind of flow straightener cross section is the water mists fire water monitor head of double-layer circular tube shape | |
| CN203989628U (en) | Direct current spray painting hydraulic giant for a kind of fire-fighting | |
| CN204910550U (en) | Crossbeam goods shelves fire extinguishing systems | |
| CN205867372U (en) | Fire fighting water cannon | |
| CN106552381A (en) | For the spray structure of oil drum storage rack fire extinguishing | |
| CN203989636U (en) | A kind of low discharge fine mist spray head | |
| CN107693993A (en) | For improving the spray system of storage repository fire-protection rating | |
| CN104971456A (en) | Fire extinguishing structure preventing fire spreading | |
| CN104984495A (en) | Fireproof device for goods shelf | |
| CN106552385A (en) | A kind of fire extinguishing structure of blocking fire spreading | |
| CN107441654A (en) | Fire prevention system for high-rise storage building | |
| CN216022841U (en) | Nozzle for cabinet type heptafluoropropane fire extinguishing device | |
| CN106552382A (en) | Storing shelf spray system | |
| CN203417422U (en) | Water mist spray head with large spray range | |
| CN203908388U (en) | Anti-wall-flow cooling tower sprinkle nozzle | |
| CN107432998A (en) | The firebreak device of storage building | |
| CN106552384A (en) | A kind of shelf firebreak device | |
| CN209282993U (en) | Explosion-proof electric machine and fire water monitor with the explosion-proof electric machine | |
| CN204411544U (en) | A kind of lift fire extinguishing sprayer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |