CN2727144Y - Water quality treatment device - Google Patents
Water quality treatment device Download PDFInfo
- Publication number
- CN2727144Y CN2727144Y CN 200420068404 CN200420068404U CN2727144Y CN 2727144 Y CN2727144 Y CN 2727144Y CN 200420068404 CN200420068404 CN 200420068404 CN 200420068404 U CN200420068404 U CN 200420068404U CN 2727144 Y CN2727144 Y CN 2727144Y
- Authority
- CN
- China
- Prior art keywords
- water
- cylindrical shell
- treatment device
- guide plate
- cylinder
- 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
- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a water quality treatment device, mainly including a cylinder body provided with a water outlet and a water inlet; the bottom is equipped with a lower water inlet; a central pipe is arranged in the cylinder body; a length is extended correspondingly to the water outlet; the device is also includes a spiral vortex generator, an external spiral guide plate arranged between the inner wall of the cylinder body and the outside of the central pipe and a cylinder arranged in the central pipe; the cylinder includes an internal spiral guide plate and magnetic material used for magnetizing the passing liquid; the internal spiral guide plate and the external spiral guide plate compounded with filter medium form a spinning water channel. Therefore, some coarse foreign matters in water such as iron, sandstone, microbe, jelly, suspended matter and etc can be effectively removed and the oxygen content in water can be increased so as to obtain the purpose of cleaning. The utility model is especially applicable to the field of purification treatment and then recovering reuse for aquaculture, swimming pool, warm spring water and etc.
Description
Technical field:
The utility model relates to a kind of treatment device for water.
Background technology:
The processing system of general water quality makes filtration treatment via filtering device, and the design of right filtering device has belonged to prior art.The structure of common traditional filtering device includes filter lid, a filter element and a filter tank and forms, and these filtering systems are widely used in the daily life.The clean mode of traditional filter, system directly feeds former water in the filtering device, to produce clean tap water, for example, at No. 225683 of the Taiwan bulletin " the filtration unit improvement of water purification machine ", No. 409624 " filtration unit " ... etc. the patent case, promptly disclose the directly technology of the filtering system by former water of this kind.
But traditionally for handling aquaculture, swimming pool, thermal water ... the purifying treatment mode that the recirculation that waits is utilized again, if use accurate Filters, then do not meet economic benefit, because the water quality that a large amount of recirculation of this kind need re-use, do not really want to reach the degree of perfectly sterile, main processing means are to contain the impurity of larger particles in the water quality, toxic substance, and oil etc. are done filtering earlier to produce clean spendable water quality.
The utility model content:
Technical problem to be solved in the utility model provides a kind of treatment device for water, mean that a kind of liquid of guiding is inner at device, need not to add in addition the vortex of the formation naturally turning motion of power, to produce a centrifugal action, make wall redeposition that the granule foreign in the liquid is pushed to cylindrical shell to the bottom, and reach the decontamination effect improving of liquid water.
In order to solve the problems of the technologies described above; the technical scheme that the utility model adopted is: comprise a cylindrical shell; one central canal; one Vorticity generators; cylindrical shell has water outlet; water inlet reaches water port down; central canal is arranged in this cylindrical shell; to the preseting length that should water outlet extends internally; Vorticity generators has an external spiral guide plate that is arranged between cylinder inboard wall and the central canal outer wall; these external spiral guide plate two ends have netted disk; an and cylinder that is arranged on central canal inside; this cylinder includes outward in order in forming with this external spiral guide plate is common; the external rotation water channel; the liquid that makes the input cylindrical shell is in flowing; the revolution of generation liquid vortex; and then making particle in the liquid or impurity near cylinder inboard wall, redeposition is concentrated to the cylindrical shell bottom by this time water port expelling tube internal screw guide plate outward.
Described cylindrical shell is axial cylindrical shell, and described water outlet is located at the cylindrical shell center of top, and water inlet is arranged at the cylindrical shell side, and the bottom then is provided with water port.Described central canal and cylinder lower end are provided with a baffle plate, this baffle plate unite by pipe lower end, at least one metal plate centering centre and support fixation in cylinder.Described cylindrical shell lower end side is provided with feet.Described cylindrical shell side is provided with tensimeter.Described cylindrical shell upper end is provided with one in addition to have the last water port of the waste water of floating matter above discharging.The described water port that goes up also can be communicated with following water port formation, is provided with non-return check valve at each conduit of front end of connection place, and is provided with a switch-valve at total vent pipe of rear end.
Described cylindrical shell is horizontal and forms the cylindrical shell of an obliquity of setting, the central canal of vortex generation device for do not comprise cylinder and two ends all be made as the blank pipe of sealing, spiral guide plate disposes half netted disk near water inlet end place outside, establish a netted disk near the water outlet place, partly the non-reticular part of netted disk is arranged at upper position.The one end side surface top of described cylindrical shell is provided with water inlet, in addition the end side surface top is provided with water outlet and the below is provided with water port, and outer side disposes a higher bracing frame below water inlet, in the water outlet below outer side configuration one lower bracing frame with the obliquity that cylindrical shell formation one is set.Described cylindrical shell side is provided with tensimeter.
Described water inlet and water outlet extend the body of a preseting length in cylindrical shell, the body of this water inlet extends to cylindrical shell central authorities, and the body of water outlet extends to cylindrical shell central authorities top.Described water inlet and water outlet place can install magnetizing apparatus.Described nearly water inlet place is provided with water port in addition, and this water port connection has switch-valve to discharge the conduit of waste water.Described cylinder is a magnetic cylinder.Described cylindrical shell is provided with the beam inlet port of inserting filter material in the cylindrical shell.The radius of described external spiral guide plate is less than the inside radius of cylindrical shell, and making to form between external spiral guide plate and cylinder inboard wall is enough to by filter material particulate gap.Described filter material is activated carbon, medical stone, filter cotton, granulated glass sphere, baton round, Ceramic Balls.
Compare with described prior art, the utility model has the advantages that: impurity thicker in the water quality such as iron, sandstone, microorganism, jelly, seston etc. can effectively be got rid of, and promote the oxygen level in the water, and reach lucky clean function; And particularly suitable is at aquaculture, swimming pool, thermal water ... reclaim the field that re-uses after the purifying treatment that waits.
Description of drawings:
Fig. 1 is the stereo appearance figure of the utility model one embodiment.
Fig. 2 is a cut-away section three-dimensional view of the present utility model.
Fig. 3 is a section plan of the present utility model.
Fig. 4 is another enforcement illustration of the utility model external spiral shape guide plate.
Fig. 5 is that another pipeline of the present utility model is implemented illustration.
Fig. 6 is another preferred embodiment figure of the present utility model.
Fig. 7 is that Fig. 6 is provided with filter material particulate enforcement illustration.
The figure number explanation:
10... cylindrical shell 101... cylindrical shell
11... water outlet 111... body
12... water inlet 121... body
13... beam inlet port 131... lid
14... following water port 141... conduit
142... non-return check valve 15... filter material
16... feet 161... bracing frame
162... bracing frame 17... tensimeter
18... last water port 181... conduit
182... the total vent pipe of non-return check valve 19...
191... switch-valve 20... central canal
201... central canal 30... Vorticity generators
31... external spiral shape guide plate 311... gap
32... netted disk 321... half netted disk
322... the netted disk of non-reticular part 33...
The water channel 341... circle round in the external rotation water channel 342...
35... circular baffle plate 351... metal plate
40... cylinder 401... magnetic cylinder
41... internal screw shape guide plate
Embodiment:
As shown in Figure 1 and Figure 2, the utility model mainly includes: a vertical type cylindrical shell 10, and its upper end center of top is provided with a water outlet 11, is provided with a water inlet 12 in the side, and dispose a beam inlet port 13 in side, water inlet 12 below, its lower end bottom center then is provided with water port 14; One central canal 20 is arranged at cylindrical shell 10 inner upper end, and corresponding top water outlet 11 extends a preseting length downwards; One vortex generating device 30, lie in configuration one external spiral shape guide plate 31 between cylindrical shell 10 inwalls of water inlet 12 belows and central canal 20 outsides, and a cylinder 40 that is arranged on central canal inside, this cylinder 40 include internal screw shape guide plate 41 outer in order to form, in the water channel 341,342 that circles round; The upper and lower end of spirrillum guide plate 31 is connected to cylindrical shell 10 inwalls by central canal 20 outer walls and is provided with upper and lower netted disk 32,33, and inserts granular filter material 15 at beam inlet port 13 outside, makes to be full of filter material 15 in the external rotation water channel 341; The described inside and outside water channel 342,341 that circles round can be used for guiding the liquid of being imported (water) and produce a vortex turning motion in cylindrical shell 10, make in the liquid and to mix the granule foreign that contains and pushed to cylindrical shell 10 inwalls by centrifugation, redeposition is to the bottom, and the clean liquid of cylindrical shell 10 central authorities then can be again flowed through water outlet 11 the output tube are outer by central canal 20 lower ends and use.
See also Fig. 2 to Fig. 3, cylindrical shell 10 inner upper end, the inwall of corresponding top water outlet 11 with the upper end of welding process connection central canal 20, makes it extend a preseting length downwards, and by the sheathed cylinder 40 in lower end, enters central canal 20 inside; Between central canal 20 and cylinder 40 lower end circular baffle plate 35, have at interval a metal plate 351, through it to the support of central canal 20 lower ends and fixed cylinder 40; These cylinder 40 inside can be filled with the magnetic material, and to form a magnetic cylinder 401, this magnetic material can produce magnetization (activation) effect to the liquid that passes through, and the oxygen level in the described liquid is significantly increased.Above-mentioned spirrillum guide plate 31,41 is set up the water channel 341,342 that circles round jointly in cylindrical shell 10 inside and central canal 20 inside, to form described Vorticity generators 30.
See also Fig. 4, the radius of above-mentioned external spiral shape guide plate 31 can form the inside radius less than cylindrical shell 10, make and form gap 311 between external spiral shape guide plate 31 and cylindrical shell 10 inwalls, the size in this gap 311 can be set as again to be enough to by filter material 15 particles, put in order to filling out of filter material, and hold concurrently and to allow the precipitated impurities of being squeezed on cylindrical shell 10 inwalls pass through since then to be discharged again downwards to a tube end.
Moreover, above-mentioned cylindrical shell 10 lateral beam inlet ports 13 dispose a lid 131 and screw togather fixing to seal its opening, and the netted disk 32 in described top, insert filter material 15 in the external rotation water channel 341 in order to prevention, overflow from cylindrical shell 10 upper ends or side beam inlet port 13, and the netted disk 33 in below is to fall down the bottom of doff body 10 in order to the filter material 15 that stops the top, mixes with precipitated impurities with the water liquid at an end avoiding; Cylindrical shell 10 lower end outer sides are provided with several feets 16 at least, form a upright structures kenel in order to support this cylindrical shell 10; In cylindrical shell 10 sides and can be provided with tensimeter 17, and described filter material 15 can be activated carbon, medical stone, the filter cotton of particulate state or spherical shape, or is glass sphere, baton round, Ceramic Balls ... wait the filtering material with identical characteristics or function.
See also Fig. 4 to Fig. 5, preferred embodiment for pipeline connection of the present utility model, lie near the nearly described water outlet 11 in vertical type cylindrical shell 10 upper ends, other is provided with water port 18 on, be used for getting rid of the seston of water liquid level, these water port 18 connections have the independent conduit of switch-valve (not shown) to discharge waste water; Should go up water port 18 again and also can be communicated with, be provided with non-return check valve 182,142 at each conduit 181,141 front end, and the total vent pipe 19 in the rear end be provided with a switch-valve 191 with following water port 14 formation.
From the treatment device for water that Fig. 4 and Fig. 5 disclosed, its mode of action is: this Vorticity generators 30 can be with the liquid via water inlet 12 input cylindrical shells 10, because of the effect of hydraulic pressure forces described the circling round during water channel 341 of flowing through, the fast rotational vortex motion takes place, when making liquid flow in the cylindrical shell 10, produce a centrifugal action, and make big or mobile relatively poor suspended particle in the liquid, be discharged near the current periphery the inwall of cylindrical shell 30 because of centrifugal action, and when forming a semi-invariant gradually, be that nature is deposited in cylindrical shell 10 bottoms because of gravity or along the effect with current, control is in good time got rid of by water port 14 again; Generally when more serious muddy water quality is polluted in processing, can not use filter material 15 in this device, and directly the mat centrifugation produces rough purification; When handling clean water quality, then can insert filter material 15,, make the liquid in the rotating vortex form cleaner liquid by the trickleer filtration of filter material 15, deodorizing and further effect such as absorption toxic substance at this device; Then again after the guiding of central canal 20 lower ends is by magnetic cylinder 401 magnetization, at last by providing use outside the top water outlet 11 output cylindrical shells 10; In use, when throw out builds up to a great deal of, can the outward winding water port 14 of cylindrical shell 10 lower ends, precipitated impurities is discharged in good time, and in use for some time, the lid 131 of beam inlet port 13 more can outwarded winding comes filter material 15 is maintained or changed, to promote using character again.
Please join Fig. 6 to Fig. 7, be another preferred embodiment of the present utility model, 101 one-tenth horizontal kenels of this cylindrical shell, and has an obliquity of setting, the central canal 201 of Vorticity generators 30 does not comprise cylinder 40, and forms non-through structure, and external spiral guide plate 31 disposes half a netted disk 321 and a netted disk 33 successively by the water inlet end, 322 of non-reticular parts that should half netted disk 321 are provided with upper position, can be in order to stop the seston external rotation water channel 34 of flowing through.
The one end side surface top of above-mentioned cylindrical shell 101 is provided with water inlet 12, and closely water inlet 12 places are provided with water port 18 on, and these water port 18 connections have the conduit 181 of switch-valve to discharge waste water; Cylindrical shell 101 the other end sides tops is provided with water outlet 11 and the below is provided with water port 14, and configuration one beam inlet port 13 between water inlet 12 and water outlet 11 more can be provided with tensimeter 17, in order to predict inside water pressure in cylindrical shell 101 sides; In the higher bracing frame 161 of water inlet 12 below outer sides more configurable,, make cylindrical shell 101 form the setting obliquity of a deflection water outlet 11 in the lower bracing frame 162 of water outlet 11 below outer sides configurations one.
The radius of the external spiral guide plate 31 in this horizontal cylinder 101 is less than the inside radius of cylindrical shell 101, making to form between external spiral guide plate 31 and cylindrical shell 101 inwalls is enough to by crack 311 between filter material 15 particles, this gap 311 can allow the precipitated impurities of being squeezed below cylindrical shell 101 inwalls pass through, and sink down into the lowest part of cylindrical shell 101 inwalls, be beneficial in good time eliminating.
The body 121,111 of above-mentioned water inlet 12 and water outlet 11 extensible preseting length in cylindrical shell 101, the body 121 of this water inlet 12 extends to cylindrical shell 101 central authorities, and the body 111 of water outlet 11 extends to cylindrical shell 101 central authorities tops; And can install magnetizing apparatus between water inlet 12 and the water outlet 11.
Please again referring to Fig. 6 to Fig. 7, the mode of action of the treatment device for water that discloses is, this vortex generating device 30 can be with the liquid via water inlet 12 input cylindrical shells 101, because of the hydraulic pressure effect forces when flowing through described external rotation water channel 341, the fast rotational vortex motion takes place, when making liquid flow in the cylindrical shell 101, produce a centrifugal action, make big or mobile relatively poor suspended particle in the liquid, be pushed to the inwall below of cylindrical shell 101 because of centrifugal action, when forming a semi-invariant, can be deposited in the lowest part of cylindrical shell 101 because of action of gravity, has filtration because of employed filter material 15 simultaneously, effects such as deodorizing and absorption toxic substance make the liquid of rotating vortex top form clean liquid, again via top water outlet 11 output cylindrical shells 101 outsides; When accumulation of precipitates during to a great deal of, the water port 14 of cylindrical shell 101 lower ends of can outwarding winding is discharged precipitated impurities after the use.After described cylindrical shell 101 used for some time, the lid 131 of the beam inlet port 13 of can outwarding winding was done maintenance or is changed filter material 15 and reuse.
By said structure, can make of the operation of the water quality of a large amount of recirculation uses via Vorticity generators 30 that comprises magnetization and filter material 15, impurity thicker in this water quality such as iron, sandstone, microorganism, jelly, seston etc. can effectively be got rid of, and the oxygen level in the lifting water, and reach clean function; And particularly suitable is at aquaculture, swimming pool, thermal water ... reclaim the field that re-uses after the purifying treatment that waits.
Claims (22)
1; a kind of treatment device for water; it is characterized in that: comprise a cylindrical shell; one central canal; one Vorticity generators; cylindrical shell has water outlet; water inlet reaches water port down; central canal is arranged in this cylindrical shell; to the preseting length that should water outlet extends internally; Vorticity generators has an external spiral guide plate that is arranged between cylinder inboard wall and the central canal outer wall; these external spiral guide plate two ends have netted disk; an and cylinder that is arranged on central canal inside; this cylinder includes outward in order in forming with this external spiral guide plate is common; the external rotation water channel; the liquid that makes the input cylindrical shell is in flowing; the revolution of generation liquid vortex; and then making particle in the liquid or impurity near cylinder inboard wall, redeposition is concentrated to the cylindrical shell bottom by this time water port expelling tube internal screw guide plate outward.
2, treatment device for water according to claim 1 is characterized in that: described cylindrical shell is axial cylindrical shell, and described water outlet is located at the cylindrical shell center of top, and water inlet is arranged at the cylindrical shell side, and the bottom then is provided with water port.
3, treatment device for water according to claim 1 is characterized in that: described central canal and cylinder lower end are provided with a baffle plate, this baffle plate unite by pipe lower end, at least one metal plate centering centre and support fixation in cylinder.
4, treatment device for water according to claim 1 is characterized in that: described cylindrical shell lower end side is provided with feet.
5, treatment device for water according to claim 1 is characterized in that: described cylindrical shell side is provided with tensimeter.
6, treatment device for water according to claim 1 is characterized in that: described cylindrical shell upper end is provided with one in addition to have the last water port of the waste water of floating matter above discharging.
7, treatment device for water according to claim 6 is characterized in that: the described water port that goes up also can be communicated with following water port formation, is provided with non-return check valve at each conduit of front end of connection place, and is provided with a switch-valve at total vent pipe of rear end.
8, treatment device for water according to claim 1, it is characterized in that: described cylindrical shell is horizontal and forms the cylindrical shell of an obliquity of setting, the central canal of vortex generation device for do not comprise cylinder and two ends all be made as the blank pipe of sealing, spiral guide plate disposes half netted disk near water inlet end place outside, establish a netted disk near the water outlet place, partly the non-reticular part of netted disk is arranged at upper position.
9, treatment device for water according to claim 8, it is characterized in that: the end side surface top of described cylindrical shell is provided with water inlet, in addition the end side surface top is provided with water outlet and the below is provided with water port, and outer side disposes a higher bracing frame below water inlet, in the water outlet below outer side configuration one lower bracing frame with the obliquity that cylindrical shell formation one is set.
10, treatment device for water according to claim 8 is characterized in that: described cylindrical shell side is provided with tensimeter.
11, treatment device for water according to claim 8 is characterized in that: described water inlet and water outlet extend the body of a preseting length in cylindrical shell, the body of this water inlet extends to cylindrical shell central authorities, and the body of water outlet extends to cylindrical shell central authorities top.
12, treatment device for water according to claim 8 is characterized in that: described water inlet and water outlet place can install magnetizing apparatus.
13, treatment device for water according to claim 8 is characterized in that: described nearly water inlet place is provided with water port in addition, and this water port connection has switch-valve to discharge the conduit of waste water.
14, treatment device for water according to claim 1 is characterized in that: described cylinder is a magnetic cylinder.
15, according to each the described treatment device for water in the claim 1 to 14, it is characterized in that: described cylindrical shell is provided with the beam inlet port of inserting filter material in the cylindrical shell.
16, treatment device for water according to claim 15 is characterized in that: the radius of described external spiral guide plate is less than the inside radius of cylindrical shell, and making to form between external spiral guide plate and cylinder inboard wall is enough to by filter material particulate gap.
17, treatment device for water according to claim 15 is characterized in that: described filter material is an activated carbon.
18, treatment device for water according to claim 15 is characterized in that: described filter material is a medical stone.
19, treatment device for water according to claim 15 is characterized in that: described filter material is a filter cotton.
20, treatment device for water according to claim 15 is characterized in that: described filter material is a granulated glass sphere.
21, treatment device for water according to claim 15 is characterized in that: described filter material is a baton round.
22, treatment device for water according to claim 15 is characterized in that: described filter material is a Ceramic Balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420068404 CN2727144Y (en) | 2004-08-13 | 2004-08-13 | Water quality treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420068404 CN2727144Y (en) | 2004-08-13 | 2004-08-13 | Water quality treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2727144Y true CN2727144Y (en) | 2005-09-21 |
Family
ID=35043163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420068404 Expired - Fee Related CN2727144Y (en) | 2004-08-13 | 2004-08-13 | Water quality treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2727144Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100558437C (en) * | 2005-01-21 | 2009-11-11 | 阿奇化工公司 | Chemical feeder |
| CN112796252A (en) * | 2021-01-13 | 2021-05-14 | 朱少云 | Intelligent cell system |
| CN112854838A (en) * | 2021-01-13 | 2021-05-28 | 朱少云 | Body-building safe ecological swimming pool |
-
2004
- 2004-08-13 CN CN 200420068404 patent/CN2727144Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100558437C (en) * | 2005-01-21 | 2009-11-11 | 阿奇化工公司 | Chemical feeder |
| CN112796252A (en) * | 2021-01-13 | 2021-05-14 | 朱少云 | Intelligent cell system |
| CN112854838A (en) * | 2021-01-13 | 2021-05-28 | 朱少云 | Body-building safe ecological swimming pool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113371904B (en) | Biological slow filtering purification system and purification method for rural domestic sewage | |
| CN110282775A (en) | Integrated sewage treating apparatus | |
| CN208933183U (en) | A kind of wastewater treatment equipment for contaminated site recovery project | |
| CN208151142U (en) | A kind of urban sewage treatment system | |
| CN2727144Y (en) | Water quality treatment device | |
| CN216639004U (en) | Self-circulation encrypted granular sludge water purifying device | |
| CN209583891U (en) | A kind of urban river water pollution treatment device | |
| CN113788561A (en) | Wastewater treatment system | |
| CN113003773A (en) | Industrial wastewater treatment device for power plant and treatment method thereof | |
| CN206705834U (en) | Activated carbon filter membrane all-in-one | |
| CN213623622U (en) | Beverage raw water purification carbon tank for avoiding physical particles and microorganisms | |
| CN100336739C (en) | Flocculation filter unit | |
| CN114477645B (en) | Water treatment device based on biological membrane filtration | |
| CN115057553B (en) | Chemical wastewater treatment device | |
| CN217895379U (en) | Reclaimed water advanced treatment equipment | |
| CN215609944U (en) | Novel municipal administration sewage treatment sedimentation tank | |
| CN208843824U (en) | A kind of city sewage deep treatment device | |
| CN219409319U (en) | Swift cluster cylinder water purification device | |
| CN217312106U (en) | Sand setting device for sewage treatment | |
| CN210595519U (en) | A pure water front end preprocessing device for SOD draws | |
| CN213995109U (en) | Chemical wastewater circulating and purifying device | |
| CN217077287U (en) | A high concentration sewage treatment device for solid-liquid separation | |
| CN220245658U (en) | Fluorine removal device for domestic drinking water | |
| CN215592825U (en) | Laboratory wastewater treatment equipment for low-pressure micro-electrolysis and heavy metal removal process | |
| CN208454599U (en) | A kind of improved activated sludge tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |