CN201512429U - Deironing and demanganizing water purifier specially used for groundwater and surface water - Google Patents
Deironing and demanganizing water purifier specially used for groundwater and surface water Download PDFInfo
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- CN201512429U CN201512429U CN2009202426361U CN200920242636U CN201512429U CN 201512429 U CN201512429 U CN 201512429U CN 2009202426361 U CN2009202426361 U CN 2009202426361U CN 200920242636 U CN200920242636 U CN 200920242636U CN 201512429 U CN201512429 U CN 201512429U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 239000002352 surface water Substances 0.000 title claims abstract description 12
- 239000003673 groundwater Substances 0.000 title abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000006004 Quartz sand Substances 0.000 claims abstract description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 13
- 239000011572 manganese Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 235000020188 drinking water Nutrition 0.000 abstract description 12
- 239000003651 drinking water Substances 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 229910052742 iron Inorganic materials 0.000 description 14
- 239000012535 impurity Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 239000008399 tap water Substances 0.000 description 7
- 235000020679 tap water Nutrition 0.000 description 7
- 235000009508 confectionery Nutrition 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000009287 sand filtration Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003894 drinking water pollution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a deironing and demanganizing water purifier specially used for groundwater and surface water, comprising a refined quartz sand filtering layer, a smoke-free coal filtering layer, a spun yarn filter and an artificial manganese sand filter, wherein a sealing container is internally provided with a ring-shaped sieve plate; the surface of the sieve plate is provided with the spun yarn filter, an artificial manganese sand filtering layer, the smoke-free coal-filtering layer and the refined quartz sand filtering layer; the top of the container is provided with a water inlet; the left side surface of the container under the sieve plate is provided with a backward wash water inlet; the right side of the bottom of the container is provided with a water outlet; the container on the water outlet is internally provided with an 'umbrella'-shaped built-in water outlet filtering head; the left side of the bottom of the container is provided with a forward wash drain outlet; the top of the container is provided with a backward wash drain outlet; the upper part of the right side surface of a cylinder body is provided with a filler inlet, and the lower part of the right side surface of the cylinder body is provided with a filler outlet; and the filler inlet is also provided with a feed hopper; and the water outlet of the filter is communicated with the water inlet of an overhead water-storing tower. The purifier is economic and practical, and can provide qualified and healthy drinking water for administrative natural villages and village centralized residence districts.
Description
One, technical field
The utility model relates to water correction plant, particularly the manufacturing field of the water purifier of the tap water that uses for natural village, rural area and centralized residence sub-district.
Two, background technology
The pollution day by day of water resources, particularly serious to the influence in rural area, basically it is standby to be that peasant household with good conditionsi and enterprise and institution's digging well to get water are introduced overhead water storage tower, unqualified is just drunk with the direct water intaking of simple and easy water pipe in the river and gully, and river and the underground water of the whole nation more than 92% is polluted at present, even severe contamination, its pollution is loathsome especially, especially underground water iron, manganese, alkali, chlorine, suspended substance, the colloid thing, toxic byproduct, agricultural chemicals, bacterium, silt, iron rust, the solid impurity pollution hazard, even there is well that water is arranged, also severe overweight can't be drunk, and is threatening human healthy.The condition of similar city tap-water is not used in the enterprises and institutions in rural area casual household and inhabitation rural area and peasant household centralized residence sub-district, the enterprises and institutions in inhabitation rural area and people in the countryside are directly with underground water or the face of land natural stream networks source as tap water, its present situation is drinking water pollution, severe overweight; The small towns tap water partly exceeds standard, and do not reach People's Republic of China's new " drinking water sanitary standard ", and the present situation of above-mentioned pollution has constituted to the enterprises and institutions in inhabitation rural area and urban residents' centralized residence sub-district personnel health's very big threat.
Now known on the market water purifier product design structure is comparatively simple, there is certain defective in design and the manufacturing, especially to the filtration and the positive sewage backwash of underground water and surface water, and there are certain limitation in filtering accuracy and aquifer yield, above defective has become the technical bottleneck and the obstacle of this series products, its product mainly is based on the purification to exceed standard well water and surface water water source, the purpose that reaches general tap water designs, can not solve natural village, rural area and rural area centralized residence population and directly adopt water sources such as underground water or surface water after purifying, to reach People's Republic of China's " drinking water sanitary standard ", become the purpose of Drinking Water.As: Chinese patent literature discloses a kind of " family expenses removing of iron and manganese water-strainer ", is the water source with underground water, adopts manganese sand purifying treatment to become Drinking Water.
Three, utility model content
The utility model mainly is in conjunction with China's reality, thoroughly apply the Scientific Outlook on Development, further push forward the building of a new socialist countryside and the country geology disaster region population safty of drinking water engineering is matched, purpose provides the special-purpose deferrization and demanganization water purifier of a kind of underground surface water, reach People's Republic of China's new " drinking water sanitary standard " to solve rural area underground water and surface water, become the problem of Drinking Water.This novel purpose is realized by following technical scheme, the special-purpose deferrization and demanganization water purifier of a kind of underground surface water, comprise refining quartz sand filtering layer, the hard coal filtering layer, the spun yarn strainer, it is characterized in that, also has artificial filtration with manganese sand device: be provided with an annular sieve plate in its closed container, spread all over the drainage slit on the sieve plate, described spun yarn strainer is arranged on the sieve plate surface, also be disposed with artificial manganese sand filter blanket on it, the hard coal filtering layer, refining quartz sand filtering layer, the top of container is provided with water-in, the sewage backwash mouth, have the back flushing water inlet on the container left surface of sieve plate below, the container bottom right side has water outlet, be provided with the built-in water outlet filter of " umbrella " shape in the container of water outlet top, bottom left has just washes sewage draining exit; The water outlet of described filtration unit is communicated with the water-in of overhead retaining tower.
In the above-mentioned design, this novel employing one-level and bed filtration device are with the needs at administrative natural village and rural area centralized residence sub-district drinking water treatment.As concerning water sources such as rural area underground water, surface water, basis is novel makes with extra care quartz sand filtration, hard coal filtration, artificial filtration with manganese sand and spun yarn strainer filtration treatment to it.
Compare with prior art (on the basis that existing quartz sand filtration is handled), this novel pin has increased and has just washed discharging and treatment steps such as back flush discharge, the built-in water outlet filter of " umbrella " shape, refining quartz sand filtration, hard coal filter, artificial filtration with manganese sand, the filtration of spun yarn strainer the water source, rural area.During this is novel, refining quartz sand filtering layer effectively silt, iron rust, impurity, suspended substance, the various mechanical impurity in the filtering water, make water quality clarify, thoroughly remove incrustation scale, improve the temperature of water outlet; ANTHRACITE FILTER MEDIA uniform particles, glossiness are good, anti-pressure and abrasion-proof, physical strength height, life cycle are long, be useful for acid, in, the purifying treatment of alkaline water, be indispensable Filler for water purification in double-deck, the three metafiltration jars; Artificial manganese sand filter blanket can effectively be removed iron, mn ion and the multiple poisonous metal in the water, remove mechanical particle, suspended substance and colloidalmaterial in the former water, clearance can directly become drinkable water with high iron content groundwater treatment up to 90%, also can be used for decolouring, deodorizing, taste removal of water etc.; The spun yarn strainer can be tackled silt, iron rust, impurity, suspended substance, the various mechanical impurity removed in the water effectively once more, makes the water quality clarification, thoroughly remove incrustation scale, improves the temperature of water outlet, and filter effect is up to more than 99.7%; Silt, iron rust, impurity, suspended substance, incrustation scale, various mechanical impurity when the built-in water outlet filter of " umbrella " shape can effectively be isolated back flushing in the former water are exempted from sewage to enter outlet conduit; The manual blowdown system can effectively control sewage emissions, thoroughly discharge the various objectionable impuritiess that are suspended in the filter cylinder water body, and contaminant removal effectiveness is up to more than 99%; Reservation makes the water quality mouthfeel sweet pure sweet to human body beneficial's mineral substance and trace element.
This is novel to have following characteristics: 1, effectively silt, iron rust, impurity, suspended substance, the various mechanical impurity in the filtering water, make water quality clarify, thoroughly remove incrustation scale, improve the temperature of water outlet.2, good, the anti-pressure and abrasion-proof of uniform particles, glossiness, physical strength height, life cycle are long, be useful for acid, in, the purifying treatment of alkaline water, be indispensable Filler for water purification in double-deck, the three metafiltration jars.3, can effectively remove iron in the water, mn ion and multiple poisonous metal, remove mechanical particle, suspended substance and colloidalmaterial in the former water, clearance can directly become drinkable water with high iron content groundwater treatment up to 90%, also can be used for decolouring, deodorizing, taste removal of water etc.4, can tackle effectively once more silt, iron rust, impurity, suspended substance, the various mechanical impurity removed in the water, make the water quality clarification, thoroughly remove incrustation scale, improve the temperature of water outlet, filter effect is up to more than 99.7%.5, the silt in the time of effectively isolating back flushing in the former water, iron rust, impurity, suspended substance, incrustation scale, various mechanical impurity are exempted from sewage and are infiltrated outlet conduit.6, the manual blowdown system can effectively control sewage emissions, thoroughly discharge the various objectionable impuritiess that are suspended in the filter cylinder water body, and contaminant removal effectiveness is up to more than 99.7%.7, keep mineral substance and trace element, thereby make the water quality mouthfeel sweet more pure sweet the human body beneficial.8, filter back water quality and be better than People's Republic of China's new " drinking water sanitary standard ".
This novel economizer is suitable for, and water purification automatic water-supply ability is the 12-56 ton per hour, can solve the Drinking Water of 46800 populations, is particularly suitable for natural village, rural area and centralized residence sub-district and uses.
Four, description of drawings
Fig. 1 is the device connection diagram of this novel embodiment;
Fig. 2 is the structure iron of filtration unit shown in Figure 1.
Five, embodiment
Fig. 1 illustrates this novel water treatment device and is equipped with the situation of filtering power, as for administrative natural village, rural area and the use of centralized residence sub-district, working shaft 2 is extracted the water in well water or the underground surface water 1 out, and after pipe network is sent into water storage box, send into through topping-up pump 4 and carry out filtration treatment in this new device, the water after the processing is sent in the overhead retaining tower 6 for using.If for the situation that the self-control tap water is arranged in the rural area, then directly will make tap water by oneself and introduce and treatedly in this new device then can (can not add topping-up pump completely) as former water pressure.
Among Fig. 2, the closed container that filtration unit 5 is made up of cylindrical shell 5b and upper cover 5a, argon arc welding is connected cylindrical shell 5b with upper cover 5a, the top of this container is provided with water-in 5c, sewage backwash mouth 5g, have back flushing water inlet 5e on the container left surface of sieve plate below, the container bottom right side has water outlet 5d, be provided with the built-in water outlet filter 32 of " umbrella " shape in the container of water outlet top, bottom left has and just washes sewage draining exit 5f, cylindrical shell right flank top is provided with filler import 33, the right flank bottom is provided with filler outlet 35, and (its filler is provided with sealing cover on importing and exporting, screw rod connects), also be provided with loading hopper 34 in the filler import, be provided with an annular sieve plate 31 in this closed container, the sieve plate surface is provided with spun yarn strainer 30 (the about 0.4mm in aperture) from bottom to top, artificial manganese sand filter blanket 29 (particle diameter is 0.8-1.0mm), hard coal filtering layer 28 (particle diameter is 1.0-1.2mm), refining quartz sand filtering layer 27 (particle diameter is 1.2-1.5mm), the total thickness＞2.88m of above-mentioned filtering layer; The top of quartz sand filtering layer 27 is provided with arc water distribution cover 26 in this container, spreads all over the slit on it, plays the distribution and the effect of back flushing separated material of water.Can serve as a contrast between the above-mentioned filtering layer with filter cloth.
Referring to Fig. 1, process from water treatment, former water is after valve 7 enters water storage box, flow out from the water outlet of water storage box bottom, enter from filtration unit 5c by topping-up pump 4 and valve 8 and valve 9, (at this moment, wash water valve 11 and sewage backwash valve 12 that back flushing is gone on water valve 10 and the bottom blow-down mouth are closed), behind bed filtration, flow out from the water outlet 5d on container bottom right side, become Drinking Water, outwards export through valve 13, (back flushing on the external pipe goes into when water valve 10 is the supplying apparatus back flushing to use, and the wash water valve 11 on the bottom blow-down mouth is provided in a side of the bottom of filtration unit, be that supplying apparatus uses when cleaning at ordinary times, the wash water valve 12 on the discharge outlet of top is provided in a side of the top of device, use when being the supplying apparatus back flushing).The water outlet of above-mentioned filtration unit is communicated with the water-in of overhead retaining tower 6.
In addition, a round concave shape firm banking can be set, be provided with on it and just washing discharge outlet and rising pipe outlet and screw fixed part, above-mentioned filtration unit is placed on the round concave shape firm banking, install and use with convenient.
Container can adopt edible stainless steel 304 materials during this was novel, to satisfy hygienic requirements.
Claims (6)
1. special-purpose deferrization and demanganization water purifier of underground surface water, comprise refining quartz sand filtering layer, the hard coal filtering layer, the spun yarn strainer, it is characterized in that, also has artificial filtration with manganese sand device (5): be provided with an annular sieve plate (31) in its closed container, the sieve plate surface is provided with spun yarn strainer (30) from bottom to top, artificial manganese sand filter blanket (29), hard coal filtering layer (28), refining quartz sand filtering layer (27), the top of container is provided with water-in (5c), have back flushing water inlet (5e) on the container left surface of sieve plate below, the container bottom right side has water outlet (5d), be provided with the built-in water outlet filter of " umbrella " shape (32) in the container of water outlet top; The water outlet of described filtration unit (5) is communicated with the water-in of overhead retaining tower (6).
2. water purifier according to claim 1 is characterized in that, the top of quartz sand filtering layer (27) is provided with arc water distribution cover (26) in the container of described filtration unit (5).
3. water purifier according to claim 2, it is characterized in that, the particle diameter of the about 0.40mm in aperture of the spun yarn strainer in the container of described filtration unit (5), artificial manganese sand filter blanket is that the particle diameter of 0.8-1.0mm, hard coal filtering layer is that 1.0-1.2mm, the particle diameter made from extra care the quartz sand filtering layer are 1.2-1.5mm, total thickness of filter bed＞2.88m.
4. water purifier according to claim 3 is characterized in that, the container of described filtration unit (5) is welded by cylindrical shell and upper cover.
5. water purifier according to claim 4, it is characterized in that, the cylindrical shell bottom left of described filtration unit (5) has and just washes sewage draining exit (5f), container top is provided with sewage backwash mouth (5g), cylindrical shell right flank top is provided with filler import (33), the right flank bottom is provided with filler outlet (35), also is provided with loading hopper (34) in the filler import.
6. water purifier according to claim 5 is characterized in that, also has a round concave shape firm banking, and base is provided with and just washes sewage draining exit and rising pipe outlet and screw fixed part; Described filtration unit (5) places on this round concave shape firm banking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202426361U CN201512429U (en) | 2009-10-21 | 2009-10-21 | Deironing and demanganizing water purifier specially used for groundwater and surface water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202426361U CN201512429U (en) | 2009-10-21 | 2009-10-21 | Deironing and demanganizing water purifier specially used for groundwater and surface water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201512429U true CN201512429U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202426361U Expired - Fee Related CN201512429U (en) | 2009-10-21 | 2009-10-21 | Deironing and demanganizing water purifier specially used for groundwater and surface water |
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| Country | Link |
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| CN (1) | CN201512429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2466942C2 (en) * | 2011-02-28 | 2012-11-20 | Общество с ограниченной ответственностью ООО "РЕМБУРВОДСТРОЙ" | Method of purification of underground water from iron |
| CN108744620A (en) * | 2018-08-01 | 2018-11-06 | 大庆市福安石油科技有限公司 | A kind of novel double-layer filtrate filter tank applied to disposing polluted water in oil |
-
2009
- 2009-10-21 CN CN2009202426361U patent/CN201512429U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2466942C2 (en) * | 2011-02-28 | 2012-11-20 | Общество с ограниченной ответственностью ООО "РЕМБУРВОДСТРОЙ" | Method of purification of underground water from iron |
| CN108744620A (en) * | 2018-08-01 | 2018-11-06 | 大庆市福安石油科技有限公司 | A kind of novel double-layer filtrate filter tank applied to disposing polluted water in oil |
| CN108744620B (en) * | 2018-08-01 | 2023-08-01 | 大庆市福安石油科技有限公司 | Double-layer filter material filter tank applied to oilfield sewage treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING W-GREAT TREATMENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LUO XINGFU Effective date: 20110309 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610400 FLOOD CONTROL OFFICE, THE COUNTY PEOPLE'S GOVERNMENT, SECTION 1, NO. 800, SHILI AVENUE, JINTANG COUNTY, CHENGDU CITY, SICHUAN PROVINCE TO: 100015 3/F, NO. 9, MUXIYUAN, SOUTH 3RD RING ROAD MIDDLE, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110309 Address after: 100015, No. three, No. 9, South Third Ring Road, Muxiyuan, Beijing Patentee after: Beijing wo Geruite Water Treatment Technology Development Co. Ltd. Address before: 610400 flood control office, section 800, county government, ten mile road, Jintang County, Sichuan, Chengdu Patentee before: Luo Xingfu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20151021 |
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| EXPY | Termination of patent right or utility model |