CN210934069U - Animal husbandry sewage treatment plant who prevents blockking up function possesses - Google Patents
Animal husbandry sewage treatment plant who prevents blockking up function possesses Download PDFInfo
- Publication number
- CN210934069U CN210934069U CN201920786049.2U CN201920786049U CN210934069U CN 210934069 U CN210934069 U CN 210934069U CN 201920786049 U CN201920786049 U CN 201920786049U CN 210934069 U CN210934069 U CN 210934069U
- Authority
- CN
- China
- Prior art keywords
- arc
- solid
- liquid separation
- plate
- sewage treatment
- 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
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model belongs to the sewage treatment plant field especially relates to a possess and prevent stockbreeding sewage treatment plant of jam function, including base, solid-liquid separation cauldron, apron, feed inlet, water pump, anti-clogging device, rose box and filter equipment, the top fixed mounting of base has the solid-liquid separation cauldron, and the top fixed mounting of fixed separation cauldron has the apron, and the top intercommunication of apron has gold mouth, and the inside fixed mounting of solid-liquid separation cauldron has the water pump. The utility model discloses when the filtration pore on the arc is blockked up, deposit on the arc becomes more, and the effect of the tensile force through spring-supported for when the arc falls to the position of nail board looks adaptation, the perpendicular nail of nail board surface inserts in the inside filtration pore of arc, dredges the jam, and the effectual jam of having avoided sets up spring, hollow tube and traction lever simultaneously, makes when the arc extrudees the nail board, effectually cushions.
Description
Technical Field
The utility model belongs to the sewage treatment plant field especially relates to a possess and prevent stockbreeding sewage treatment plant of jam function.
Background
China is a large population country, with the continuous increase of the economic level of China, people live better and better, a large amount of consumables such as poultry and livestock and the like are consumed every day, the high-speed development of the animal husbandry of China is directly stimulated, and more farmers of the animal husbandry appear.
The waste water that produces often directly discharges in current animal husbandry production, can cause serious pollution to the environment, and current sewage treatment plant can not carry out effectual purification to the waste water that animal husbandry produced, animal husbandry's sewage is solid-liquid mixture simultaneously, often when purifying, lead to blockking up sewage treatment plant, and traditional sewage treatment plant, the structure of preventing blockking up does not lead to needing to spend a large amount of time to maintain, to above-mentioned condition, carry out technical innovation on current sewage treatment plant's basis.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to foretell problem, provide a possess and prevent stockbreeding sewage treatment plant of jam function.
In order to achieve the purpose, the utility model discloses a technical scheme do, the utility model provides a possess and prevent animal husbandry sewage treatment plant of jam function, including base, solid-liquid separation cauldron, apron, feed inlet, water pump, anti-clogging device, rose box and filter equipment, the top fixed mounting of base has the solid-liquid separation cauldron, the top fixed mounting of fixed separation cauldron has the apron, the top intercommunication of apron has the gold mouth, the inside fixed mounting of solid-liquid separation cauldron has the water pump, and the inside fixed mounting that is located the water pump of the solid-liquid separation cauldron of telling has anti-clogging device, one side fixed mounting that the top of base is located the solid-liquid separation cauldron has the rose box, the inside fixed mounting of rose box has filter equipment.
The anti-blocking device comprises a spring support, the spring support is fixedly mounted on two sides of the inner wall of the solid-liquid separation kettle, the spring support is used for fixing one end of the solid-liquid separation kettle, a storage chamber is fixedly mounted below the arc, a hollow tube is fixedly mounted on one side of the storage chamber opposite to the inner wall of the solid-liquid separation kettle, a spring is fixedly mounted inside the hollow tube, the hollow tube is located above the spring and is slidably connected with a traction rod, the spring is fixedly connected with the traction rod, a nail plate is fixedly mounted on one end of the traction rod, the hollow tube is far away from the traction rod, a sewage suction pump is fixedly mounted on one side wall of the outer surface of the solid-liquid separation kettle, the output end of the sewage suction pump is communicated with a water pipe, and one end of the.
Preferably, the inside of arc has seted up the filtration hole, and filters the hole and concentrate and distribute under the feed inlet.
Preferably, the nail plate is arc-shaped, and the vertical nails on the outer surface of the nail plate are matched with the filtering holes in the arc-shaped plate in size.
Preferably, a connecting rod is fixedly installed between the traction rods, and an elastic piece is fixedly installed on the outer surface of the connecting rod.
Preferably, a funnel is fixedly installed between the opposite surfaces of the storage chamber, the output end of the water pump is communicated with a pipeline, the pipeline is far away from the water pump and is communicated with the funnel and the filter box respectively, and a first valve is fixedly installed on one side, located on the filter box, of the outer surface of the pipeline.
Preferably, the filter device comprises a motor, the motor is fixedly mounted inside the filter box, the output end of the motor is rotatably connected with a rotary table through a rotating piece, a piston rod is fixedly mounted on the front side of the rotary table, a limiting frame is fixedly mounted inside the filter box and located above the motor, one end, far away from the rotary table, of the piston rod is slidably connected with the limiting frame, a liquid outlet is formed in one side of the inner wall of the limiting frame, a supporting rod is fixedly mounted on the front side of one end, located at the limiting frame, of the piston rod, a filter plate is fixedly mounted inside the filter box and located above the limiting frame, a sliding rod is fixedly mounted on the side face of the filter plate, a cleaning block is sleeved on the outer surface of the sliding rod through a sliding piece in a sliding.
Preferably, the outer surface of the filter box is provided with a water outlet, the inner wall of the water outlet is communicated with a leather hose, the outer surface of the leather hose is provided with a second valve 82, and the water outlet 81 is positioned above the filter plate 97.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model is provided with the anti-blocking device, when a large amount of livestock-raising sewage enters the solid-liquid separation device from the feed inlet, the solid-liquid mixture falls on the arc plate, the solid and the liquid are effectively separated through the filtering holes on the arc plate, and when the filtering holes on the arc plate are blocked, the deposit on the arc plate becomes more, and through the action of the tensile force supported by the spring, when the arc plate falls to the position matched with the nail plate, the vertical nail on the outer surface of the nail plate is inserted into the filtering hole in the arc plate to dredge and block, the blocking is effectively avoided, and the spring, the hollow tube and the traction rod are arranged at the same time, so that when the nail plate is extruded by the arc plate, the buffer is effectively carried out, the arc-shaped outer surface setting is adopted by the arc plate, the solid falling on the arc plate slides to the inner part of the storage chamber along the, solid is sucked out and moved away through the water pipe, unified treatment is carried out, and the design of arc-shaped plates and spring supports is adopted, so that the scouring force of solid-liquid mixtures on the inner wall of the solid-liquid separation kettle is effectively relieved, and the service life of the solid-liquid separation kettle is prolonged.
2. The utility model discloses, through setting up filter equipment, go into the inside of rose box when the water pump is to the liquid drainage of preliminary filtration, starter motor, the motor drives the carousel and rotates, the carousel drives piston rod up-and-down motion, the piston rod slides along the inside of spacing frame, slip through the piston rod, increase the inside pressure of spacing frame, make prefilter's liquid pass through the filter once more, reach further filterable effect, holistic sewage treatment quality has been improved, flow along the liquid outlet simultaneously and carry out unified collection, when moving through the piston rod, the piston rod drives the branch motion, make branch drive cleaning block move, cleaning block slides along the surface of slide bar, and the surface of clean filter, avoid the filter to take place to block up, reach and to continuously carry out filterable effect, and the work efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view provided in example 1;
FIG. 2 provides an enlarged view of A in FIG. 1 for example 1;
fig. 3 provides an enlarged view of B in fig. 1 for embodiment 1.
In the above figures, 1, a base; 2. a solid-liquid separation kettle; 3. a cover plate; 4. a feed inlet; 5. a water pump; 6. an anti-clogging device; 61. a spring support; 62. an arc-shaped plate; 63. a storage chamber; 64. a hollow tube; 65. a spring; 66. a draw bar; 67. nailing a plate; 68. a connecting rod; 69. a sewage suction pump; 610. a water pipe; 7. a first valve; 8. a filter box; 81. a water outlet; 82. a second valve; 9. a filtration device; 91. a motor; 92. a turntable; 93. a piston rod; 94. a limiting frame; 95. a liquid outlet; 96. a strut; 97. a filter plate; 98. a slide bar; 99. a cleaning block; 910. a return spring.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
The specific arrangement and function of the anti-clogging means 6 and the filtering means 9 will be described in detail below.
As shown in fig. 1 and fig. 2, the anti-clogging device 6 comprises a spring support 61, spring supports 61 are fixedly mounted on both sides of the inner wall of the solid-liquid separation kettle 2, an arc-shaped plate 62 is fixedly mounted on one end of the spring support 61 far away from the solid-liquid separation kettle 2, the design of the arc-shaped plate 62 and the spring supports 61 is adopted, the scouring force of the solid-liquid mixture on the inner wall of the solid-liquid separation kettle 2 is effectively relieved, the service life of the solid-liquid separation kettle 2 is prolonged, a storage chamber 63 is fixedly mounted on the inner wall of the solid-liquid separation kettle 2 below the arc-shaped plate 62, the arc-shaped plate 62 is arranged on the outer surface, so that the solid falling on the arc-shaped plate 62 slides to the inside of the storage chamber 63 along the outer surface of the arc-shaped plate 62, a hollow tube 64 is fixedly mounted on the opposite surface of the storage chamber 63, the spring 65 is fixedly connected with the traction rod 66, one end of the traction rod 66, which is far away from the hollow tube 64, is fixedly provided with a nail plate 67, when a filtering hole on the arc plate 62 is blocked, the deposit on the arc plate 62 becomes more, under the action of the tensile force of the spring support 61, the arc plate 62 falls to the position matched with the nail plate 67, the vertical nail on the outer surface of the nail plate 67 is inserted into the filtering hole inside the arc plate 62 to dredge and block, so as to effectively avoid blocking, meanwhile, the spring 65, the hollow tube 64 and the traction rod 66 are arranged, so that when the arc plate 62 extrudes the nail plate 67, effective buffering is carried out, a connecting rod 68 is fixedly arranged between the traction rods 66, the outer surface of the connecting rod 68 is fixedly provided with an elastic part, one side wall of the outer surface of the solid-liquid separation kettle 2 is fixedly provided with a sewage suction pump 69, the output end of the sewage suction pump 69 is, the solids are sucked out and carried away by a sewage suction pump 69 through a water pipe 610 for uniform treatment.
As shown in fig. 2, preferably, the inside of the arc plate 62 is provided with filtering holes, and the filtering holes are intensively distributed right below the feeding port 4, so as to filter the solid-liquid mixture as fast as possible and improve the filtering speed.
As shown in fig. 2, preferably, the nail plate 67 is arc-shaped, and the vertical nails on the outer surface of the nail plate 67 are matched with the size of the filtering holes inside the arc-shaped plate 62, and the arc-shaped design is adopted, so that the blocked solids can slide down to the inside of the storage chamber 63 along the outer surface of the arc-shaped plate 62.
As shown in fig. 2, preferably, a funnel is fixedly installed between the opposite surfaces of the storage chamber 63, the output end of the water pump 5 is communicated with a pipeline, the pipeline is far away from the water pump 5 and is respectively communicated with the funnel and the filter box 8, a first valve 7 is fixedly installed on the outer surface of the pipeline, which is positioned on one side of the filter box 8, and by designing the pipelines, the purpose of enabling liquid between each part to flow smoothly is achieved.
The anti-blocking device 6 is arranged, when a large amount of livestock sewage enters the solid-liquid separation device from the feed inlet 4, the solid-liquid mixture falls on the arc-shaped plate 62, the solid and the liquid are effectively separated through the filtering holes on the arc-shaped plate 62, meanwhile, when the filtering holes on the arc-shaped plate 62 are blocked, the deposit on the arc-shaped plate 62 becomes more, the arc-shaped plate 62 falls to the position matched with the nail plate 67 under the action of the tensile force of the spring support 61, the vertical nails on the outer surface of the nail plate 67 are inserted into the filtering holes in the arc-shaped plate 62 to dredge the blockage, the blockage is effectively avoided, the spring 65, the hollow pipe 64 and the traction rod 66 are simultaneously arranged, so that when the arc-shaped plate 62 extrudes the nail plate 67, the effective buffering is carried out, the arc-shaped outer surface arrangement is adopted through the arc-shaped plate 62, the solid falling on the arc-shaped plate 62 slides to the inner part of the storage chamber, the sewage suction pump 69 is started, solids are sucked out and moved away through the water pipe 610 for uniform treatment, and meanwhile, the design of the arc-shaped plate 62 and the spring support 61 is adopted, so that the scouring force of solid-liquid mixture on the inner wall of the solid-liquid separation kettle 2 is effectively relieved, and the service life of the solid-liquid separation kettle 2 is prolonged.
As shown in fig. 1 and fig. 3, the filtering device 9 includes a motor 91, the motor 91 is fixedly installed inside the filtering box 8, the output end of the motor 91 is rotatably connected with a rotating disc 92 through a rotating member, a piston rod 93 is fixedly installed on the front surface of the rotating disc 92, a limiting frame 94 is fixedly installed inside the filtering box 8 above the motor 91, one end of the piston rod 93 away from the rotating disc 92 is slidably connected with the limiting frame 94, a liquid outlet 95 is formed in one side of the inner wall of the limiting frame 94, a supporting rod 96 is fixedly installed on the front surface of one end of the piston rod 93 located on the limiting frame 94, a filtering plate 97 is fixedly installed inside the filtering box 8 above the limiting frame 94, the structural movement state of the section is that, when the water pump 5 discharges the primarily filtered liquid into the filtering box 8, the motor 91 is started, the motor 91 drives the rotating disc 92 to rotate, the rotating disc 92 drives the, the piston rod 93 slides to increase the pressure inside the limit frame 94, so that the primarily filtered liquid passes through the filter plate 97 again for secondary filtration, further filtration effect is achieved, the overall sewage treatment quality is improved, meanwhile, the liquid flows out of the liquid outlet 95 to be collected uniformly, a sliding rod 98 is fixedly arranged on the side surface of the filter plate 97, a cleaning block 99 is sleeved on the outer surface of the sliding rod 98 in a sliding manner through a sliding piece, the cleaning block 99 is fixedly connected with the supporting rod 96, a return spring 910 is fixedly arranged between the cleaning blocks 99, the structural motion state of the section is that when the piston rod 93 moves, the piston rod 93 drives the supporting rod 96 to move, so that the supporting rod 96 drives the cleaning block 99 to move, the cleaning block 99 slides along the outer surface of the sliding rod 98, and the outer surface of the filter plate 97 is cleaned, so that the filter plate 97 is prevented from being blocked, and the effect of continuous filtration can be achieved.
As shown in fig. 3, a water outlet 81 is formed in the outer surface of the filter box 8, a leather hose is communicated with the inner wall of the water outlet 81, a second valve 82 is arranged on the outer surface of the leather hose, the water outlet 81 is located above the filter plate 97, and through the arrangement of the water outlet 81 and the second valve 82, convenience is brought to cleaning of impurities on the surface of the filter plate 97 in the later period, so that stains on the surface of the filter plate 97 are washed away through a water flow washing mode and are discharged through the water outlet 81.
The whole filtering device 9 achieves the effects that by arranging the filtering device 9, when the water pump 5 discharges the primarily filtered liquid into the inside of the filtering box 8, the motor 91 is started, the motor 91 drives the turntable 92 to rotate, the turntable 92 drives the piston rod 93 to move up and down, the piston rod 93 slides along the inside of the limiting frame 94, the pressure inside the limiting frame 94 is increased by the sliding of the piston rod 93, the primarily filtered liquid passes through the filtering plate 97 again for secondary filtering, the further filtering effect is achieved, the overall sewage treatment quality is improved, meanwhile, the liquid flows out along the liquid outlet 95 for uniform collection, when the piston rod 93 moves, the piston rod 93 drives the supporting rod 96 to move, the supporting rod 96 drives the cleaning block 99 to move, the cleaning block 99 slides along the outer surface of the sliding rod 98, the outer surface of the filtering plate 97 is cleaned, and the filtering plate 97 is prevented from being blocked, reach and to carry out filterable effect continuously, improve work efficiency.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The livestock-raising sewage treatment device with the anti-blocking function is characterized by comprising a base, a solid-liquid separation kettle, a cover plate, a feed inlet, a water pump, an anti-blocking device, a filter box and a filter device, wherein the solid-liquid separation kettle is fixedly installed at the top of the base;
the anti-blocking device comprises a spring support, the spring support is fixedly mounted on two sides of the inner wall of the solid-liquid separation kettle, the spring support is used for fixing one end of the solid-liquid separation kettle, a storage chamber is fixedly mounted below the arc, a hollow tube is fixedly mounted on one side of the storage chamber opposite to the inner wall of the solid-liquid separation kettle, a spring is fixedly mounted inside the hollow tube, the hollow tube is located above the spring and is slidably connected with a traction rod, the spring is fixedly connected with the traction rod, a nail plate is fixedly mounted on one end of the traction rod, the hollow tube is far away from the traction rod, a sewage suction pump is fixedly mounted on one side wall of the outer surface of the solid-liquid separation kettle, the output end of the sewage suction pump is communicated with a water pipe, and one end of the.
2. The animal husbandry sewage treatment device with the anti-blocking function according to claim 1, wherein the arc plate is provided with filter holes inside, and the filter holes are distributed under the feeding port in a centralized manner.
3. The anti-clogging livestock sewage treatment device according to claim 1, wherein the nail plate is arc-shaped, and the vertical nails on the outer surface of the nail plate are matched with the size of the filtering holes in the arc-shaped plate.
4. The anti-clogging livestock sewage treatment device according to claim 1, wherein a connecting rod is fixedly installed between the traction rods, and an elastic member is fixedly installed on the outer surface of the connecting rod.
5. The anti-clogging livestock sewage treatment device according to claim 1, wherein a funnel is fixedly installed between the opposite surfaces of the storage chamber, the output end of the water pump is communicated with a pipeline, the pipeline is far away from the water pump and is respectively communicated with the funnel and the filter box, and a first valve is fixedly installed on one side, located on the filter box, of the outer surface of the pipeline.
6. The sewage treatment device with anti-clogging function for animal husbandry according to claim 1, wherein the filtering device comprises a motor, the inside of the filtering box is fixedly provided with the motor, the output end of the motor is rotatably connected with a rotary table through a rotating member, the front surface of the rotary table is fixedly provided with a piston rod, the inside of the filtering box is fixedly provided with a limiting frame above the motor, one end of the piston rod away from the rotary table is slidably connected with the limiting frame, one side of the inner wall of the limiting frame is provided with a liquid outlet, one end of the piston rod located at the limiting frame is fixedly provided with a support rod, the inside of the filtering box is fixedly provided with a filtering plate above the limiting frame, the side surface of the filtering plate is fixedly provided with a sliding rod, the outer surface of the sliding rod is slidably sleeved with a cleaning block, the, and a return spring is fixedly arranged between the cleaning blocks.
7. The device for treating the sewage from animal husbandry with the function of preventing blockage according to claim 6, wherein the outer surface of the filter box is provided with a water outlet, the inner wall of the water outlet is communicated with a leather hose, the outer surface of the leather hose is provided with a second valve, and the water outlet is positioned above the filter plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920786049.2U CN210934069U (en) | 2019-05-29 | 2019-05-29 | Animal husbandry sewage treatment plant who prevents blockking up function possesses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920786049.2U CN210934069U (en) | 2019-05-29 | 2019-05-29 | Animal husbandry sewage treatment plant who prevents blockking up function possesses |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210934069U true CN210934069U (en) | 2020-07-07 |
Family
ID=71392095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920786049.2U Expired - Fee Related CN210934069U (en) | 2019-05-29 | 2019-05-29 | Animal husbandry sewage treatment plant who prevents blockking up function possesses |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210934069U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112495014A (en) * | 2020-11-18 | 2021-03-16 | 魏庆业 | Environment-friendly filtering device for filtering sewage |
CN113144724A (en) * | 2021-04-14 | 2021-07-23 | 潘启礽 | Sewage treatment environmental protection machinery |
-
2019
- 2019-05-29 CN CN201920786049.2U patent/CN210934069U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112495014A (en) * | 2020-11-18 | 2021-03-16 | 魏庆业 | Environment-friendly filtering device for filtering sewage |
CN113144724A (en) * | 2021-04-14 | 2021-07-23 | 潘启礽 | Sewage treatment environmental protection machinery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021114272A1 (en) | Efficient full-automatic sewage filter | |
CN210934069U (en) | Animal husbandry sewage treatment plant who prevents blockking up function possesses | |
JP2006197816A (en) | Closed circulating-type fish farming system | |
CN211384105U (en) | Municipal sewage treatment and regeneration cyclic utilization device | |
CN211562092U (en) | Solid-liquid separation device for livestock and poultry excrement | |
CN108947000A (en) | A kind of town sewage treatment system of energy-saving and emission-reduction | |
CN212308969U (en) | Industrial automation sewage filter equipment | |
CN116535046B (en) | Wastewater treatment equipment capable of separating suspended matters | |
CN116143261B (en) | Integrated filtering equipment for rural drinking water purification | |
CN212050972U (en) | Sewage treatment device capable of effectively separating flocculate | |
CN115124202B (en) | Water quality adjusting device in aquaculture | |
CN116943333A (en) | Sewage treatment grid machine | |
CN113680133B (en) | Aquaculture waste water's circulation treatment facility | |
CN214457194U (en) | Waste water recycling system | |
CN211487629U (en) | Microwave hydrolysis device | |
CN101224911A (en) | Circulating water multifunctional solid dirt separator for fishpond | |
CN211636051U (en) | Novel metal carving board foaming machine | |
CN211863983U (en) | Front filter | |
CN209481404U (en) | A kind of crawler type filter | |
CN210630451U (en) | Convenient aquaculture of blowdown collects device with blowdown | |
CN207079057U (en) | A kind of split type air lift membrane reactor processing unit | |
CN213492281U (en) | Printing waste water purifies recycles device | |
CN220334833U (en) | Sewage purification treatment device | |
CN201176401Y (en) | Multifunction solid sewage separator for circulating water in fish pond | |
CN214319336U (en) | Small-size finish machining sewage treatment system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20210529 |
|
CF01 | Termination of patent right due to non-payment of annual fee |