CN209885312U - High-precision filter head-free stainless steel filter - Google Patents
High-precision filter head-free stainless steel filter Download PDFInfo
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- CN209885312U CN209885312U CN201920098391.3U CN201920098391U CN209885312U CN 209885312 U CN209885312 U CN 209885312U CN 201920098391 U CN201920098391 U CN 201920098391U CN 209885312 U CN209885312 U CN 209885312U
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Abstract
The utility model discloses a high-precision filter-head-free stainless steel filter tank, which comprises a tank body; the filter plate is arranged in the tank body and used for supporting filter materials, and the filter plate is provided with a cavity and filter holes communicated with the cavity so as to allow water to flow into the cavity; and the support structure is used for supporting the filter plate, water flows into the filter chamber from the support structure after entering the cavity, and a gas-water mixture for backwashing the filter material in the filter chamber enters the cavity through the support structure. The utility model discloses to filter the required distribution passageway of water purification technology and water distribution passageway, all utilize the structure system in the filter tank to realize the requirement of water purification technology, embodied the utility model discloses the technique has certain practical advance and economic nature.
Description
Technical Field
The utility model belongs to the technical field of the water treatment, especially, relate to a stainless steel filtering pond of filter head is exempted from to high accuracy.
Background
The filter tank is a water treatment structure widely applied in the technical field of water treatment, and has the function of removing particle impurities in water through the filtering and adsorbing functions of filter materials such as quartz sand, anthracite or active carbon and the like; the filter is generally the last link in the water treatment process and is the final process of controlling water quality. The bottom of the filter material in the filter chamber needs a certain structural support to separate the filter material from the filtered clean water, and the supporting structure at the lower part of the filter material in the filter chamber is the filter plate.
When filtering a water body, in order to realize the air-water back flushing of dirt on a filter material at regular intervals, a back-flushing filter head is arranged on a filter plate, the filter head comprises a filter rod with a water inlet and a water outlet, a filter cap is arranged at one end of the filter rod, which is positioned at the water inlet, a plurality of gaps communicated with the water inlet are longitudinally arranged on the filter cap, the gaps are uniformly distributed, and a plurality of uniformly distributed air inlet holes are formed in the side wall of one end of the filter rod, which is positioned at the water outlet. When the filter head filters in the filter tank, water filtered by the filter material can flow into the filter rod through the gap on the filter cap and is discharged; when the back washing is needed, water and air are flushed out through the uniformly distributed gaps on the filter cap so as to flush the filter material arranged outside the filter head.
Although the filter head is installed to realize the back flushing of the filter material in the prior art, when the filter plate is installed, the filter cap and the filter rod need to be connected, the time consumption is long in the installation process, the installation cost and the labor intensity of workers are high, the cost of the filter plate containing the filter head is high, the maintenance cost is high, the secondary pollution of the filtered clean water caused by the breakage of the filter cap is easy to occur, and the influence on the water quality is large; when the filter plate is installed, the cross beam and the filter rod are required to be adopted for supporting, and the cross beam and the filter rod have no other functions except for supporting the filter plate, so that the cost cannot be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stainless steel filter tank with simple structure and low cost, which is free of a filter head with high precision, and overcomes the defects of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-precision stainless steel filter tank without a filter head comprises
A tank body;
filtering the plate;
the cavity is arranged on the filter plate;
the filter plate is provided with a plurality of filter holes for medium to flow into/out of the cavity and a plurality of through holes for medium to flow out/into the cavity;
a support structure for supporting the filter plate; the medium flowing out through the through hole flows into the supporting structure; and the medium for backwashing the filter material flows into the cavity through the supporting structure and the through hole in sequence.
The utility model has the advantages that the cavity is arranged on the filter plate, the traditional mode that the filter head needs to be installed on the filter plate is replaced, and the filter head does not need to be installed when the filter plate is installed, so that the installation process is simplified, the working strength of workers is reduced on one hand, the installation efficiency of the filter plate is improved on the other hand, the construction period is shortened, and the installation cost is reduced; the filter head is not needed, the manufacturing cost is reduced, only the filter plate needs to be maintained, the cost required by maintenance is reduced, and the economical efficiency is embodied; meanwhile, the filter holes are directly arranged on the filter plate, and the gap between two adjacent filter holes can be designed, so that the water inlet process is more uniform and reasonable, the back washing during gas distribution and water distribution is more direct, and the washing effect is better; the filter plate has high structural strength, is not damaged during use, can prevent filter materials from entering clean water, ensures that water bodies are not secondarily polluted after being filtered by the filter tank, and ensures water quality; the supporting structure is directly used for the back flushing pipeline, the back flushing pipeline is not required to be installed when the filter plate is installed, the construction period is further shortened, the construction efficiency is improved, the back flushing pipeline is not required to be installed, and the cost required by the whole filter tank is reduced; it need not to set up the filter rod in addition, practices thrift the cost, has practiced thrift the space of cell body inside, improves the water purification ability of filtering pond.
Preferably, the support structure comprises a filter rod, a cavity and an opening for media to flow out of or into the cavity are arranged on the filter rod, and the opening is arranged at the lower part of the filter rod; the lower part of the filter rod is provided with the opening, so that when air-water backwashing is performed, air-water enters the filter rod through the opening, then enters the cavity through the filter rod, enters the cross beam and then is uniformly discharged from the cavity through the filter holes, so that the backwashing is uniform, the backwashing effect can be improved, the filter rod is used as a support, a support frame is not required to be additionally arranged to support a filter plate, the structure is simplified, the installation is convenient, and the maintenance is convenient; the maintenance cost is low.
Preferably, the supporting structure further comprises a cross beam connected with the upper part of the filter rod, and the cross beam is provided with a gas distribution groove communicated with the chamber; the cross beam is arranged to support the filter plate, so that the stability of the filter plate in the tank body is improved, and the gas distribution groove is arranged so that water in the cavity flows into the gas distribution groove and then separately flows into the filter rods when the water is filtered, so that the water is uniformly distributed to the bottom of the tank body; and most importantly, when the filter material is backwashed, the gas-water mixture entering the gas distribution groove can be uniformly distributed to each through hole and then enters the cavity through the through holes, so that the amount of gas and water sprayed out of each filter hole in the backwashing process is consistent, and the effect of the backwashing process is ensured.
Preferably, the upper part of the filter rod is provided with an air distribution hole; through the arrangement of the gas distribution holes, gas on the upper part of the tank body can be reversely discharged through the gas distribution holes and the cavity after the backwashing is finished, so that gas resistance can be avoided when the subsequent water body enters the tank body.
Preferably, a fixing part connected with the lower part of the filter rod is arranged in the tank body; the mounting can be pre-buried in the cell body in advance to when installing the filter rod, can fix the filter rod fast in advance, improve the speed of installation, ensure the stability of filter rod.
Preferably, the filter plate comprises a filter plate body 1, a bottom plate connected with the filter plate body 1, a plurality of convex ridges formed by deformation of the filter plate body 1, a first sealing plate matched with the front side of the filter plate and a second sealing plate matched with the rear side of the filter plate body; the inner wall of the raised ridge, the upper surface of the bottom plate, the side wall of the first sealing plate and the side wall of the second sealing plate are surrounded to form the cavity; the convex ridge is arranged on the filter plate body 1, and the filter holes are arranged on the convex ridge, so that the traditional mode that a filter head needs to be installed on the filter plate body 1 is replaced, and the filter head does not need to be installed when the filter plate body 1 is installed, so that the installation process is simplified, the working strength of workers is reduced, the installation efficiency of the filter plate body 1 is improved, the construction period is shortened, and the installation cost is reduced; the filter head is not needed, the manufacturing cost is reduced, only the filter plate body 1 needs to be maintained, the cost required by maintenance is reduced, and the economical efficiency is embodied; meanwhile, the filter holes are directly arranged on the convex ridges, and the gap between two adjacent filter holes can be designed, so that the water inlet process is more uniform and reasonable, the gas distribution and water distribution backwashing is more direct, and the flushing effect is better; and filter plate body 1's structural strength is big, and damage can not appear during the use, can avoid the filter material to enter into the clear water in the middle of, the guarantee water can not receive secondary pollution, guarantee quality of water after the filtering of filtering pond.
Preferably, the filter holes are arranged on the side wall of the raised ridge; locate the filtration pore on the convex ridge lateral wall, it can ensure that the filtration pore can not blockked up, and the assurance water can be smooth enters into logical intracavity from the filtration pore, and it can improve carries out filterable efficiency to the water.
Preferably, the through hole is formed in the bottom plate.
Preferably, the number of the cavities (4) is n (n is more than or equal to 2), and the number of the first sealing plates (51) is a, so that a is more than or equal to 1 and less than or equal to n.
Preferably, the number of the second sealing plates (52) of the cavities (4) is b, and b is more than or equal to 1 and less than or equal to n.
To sum up, the utility model discloses to filter required distribution passageway of water purification technology and water distribution passageway, the whole requirement that utilizes the structure system in the filter tank to realize water purification technology has embodied the utility model discloses the technique has certain practical advance and economic nature.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of a first embodiment of the present invention.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a schematic partial structure diagram according to an embodiment of the present invention.
Fig. 5 is a partial cross-sectional view of an embodiment of the present invention.
Fig. 6 is a schematic view of a filter rod according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a filter plate according to an embodiment of the present invention.
Fig. 8 is a cross-sectional view of a filter plate according to an embodiment of the present invention.
Fig. 9 is an exploded view of a filter plate according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a second filter plate according to an embodiment of the present invention.
Fig. 11 is a cross-sectional view of a second filter plate according to an embodiment of the present invention.
Fig. 12 is an exploded view of a second filter plate according to an embodiment of the present invention.
Fig. 13 is a schematic structural diagram of a third filter plate according to an embodiment of the present invention.
Fig. 14 is a cross-sectional view of a third filter plate according to an embodiment of the present invention.
Fig. 15 is an exploded view of a third filter plate according to an embodiment of the present invention.
Fig. 16 is a schematic structural diagram of a four-filter plate according to an embodiment of the present invention.
Fig. 17 is a cross-sectional view of a four-filter plate according to an embodiment of the present invention.
Fig. 18 is an exploded view of a four-filter plate according to an embodiment of the present invention.
Fig. 19 is a schematic structural diagram of a five-filter plate according to an embodiment of the present invention.
Fig. 20 is a cross-sectional view of a five-filter plate according to an embodiment of the present invention.
Fig. 21 is an exploded view of a five-filter plate according to an embodiment of the present invention.
Fig. 22 is a schematic structural diagram of a six-filter plate according to an embodiment of the present invention.
Fig. 23 is a cross-sectional view of a six-filter plate according to an embodiment of the present invention.
Fig. 24 is an exploded view of a six-filter plate according to an embodiment of the present invention.
Fig. 25 is a schematic structural view of a seven filter plate according to an embodiment of the present invention.
Fig. 26 is a cross-sectional view of a seven filter plate according to an embodiment of the present invention.
Fig. 27 is an exploded view of a seven filter plate according to an embodiment of the present invention.
Detailed Description
In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.
Example one
As shown in fig. 1 to 9, a high-precision filter-head-free stainless steel filter tank includes a tank body 10, filter plates and a support structure, wherein the tank body 10 is a stainless steel tank body 10 or a tank body 10 formed by pouring cement, the filter plates are disposed in the tank body 10, and the support structure supports the filter plates, so that the filter plates can support filter materials; specifically, the filter plate comprises a filter plate body 1, a bottom plate 2, a first sealing plate 51, a second sealing plate 52, a plurality of convex ridges 3 and a cavity 4; the filter plate body 1 is a stainless steel metal plate, the bottom plate 2 and the filter plate body 1 are welded together in a seamless mode, the bottom plate 2 is a stainless steel metal plate, the width of the stainless steel metal plate is basically consistent with that of the whole filter plate body 1, and the bottom of the bottom plate 2 and the bottom of the filter plate body 1 are located on the same plane; the convex ridge 3 is formed by the upward protrusion of the filter plate body 1, and can be formed by downward pressing the filter plate body 1, and the convex ridge 3 is trapezoidal; the first sealing plate 51 is welded with the front sides of the filter plate body 1 and the bottom plate 2, and the second sealing plate 52 is welded with the rear sides of the filter plate body 1 and the bottom plate 2; because the filter plate body 1 is formed, a certain space is left between the bottom plate 2 and the filter plate body 1, and a closed cavity 4 is formed by enclosing the inner wall of the convex ridge 3, the upper surface of the bottom plate 2, the side wall of the first sealing plate 51 and the side wall of the second sealing plate 52; the number of the filter plate bodies 1 is n, wherein n is more than or equal to 2, the number of the first sealing plates is a, and the relationship between the number of the first sealing plates and the number of the filter plate bodies 1 is that a is more than or equal to 1 and less than or equal to n; meanwhile, the number of the second sealing plates is b, and the relationship between the number of the filter plate bodies 1 and the number of the second sealing plates is that b is more than or equal to 1 and is less than or equal to n.
Furthermore, a plurality of filter holes 6 are arranged on the side wall of the raised ridge 3, the filter holes 6 are communicated with the cavity 4, and when water is filtered, water enters the cavity 4 through the filter holes 6; meanwhile, when the filter material is backwashed, water entering the cavity 4 flows out of the cavity through the filter holes 6 to backwash the filter material; the bottom plate 2 is provided with a through hole 7, water in the cavity 4 flows into the filter chamber through the through hole 7, and simultaneously, when the filter material is backwashed, the air-water mixture on the filter rod flows into the cavity 4 through the through hole 7.
The filter plate assembly further comprises a first connecting structure and a second connecting structure, wherein the first connecting structure and the second connecting structure are used for connecting adjacent filter plates, the first connecting structure is a first screw hole 511 arranged on the first sealing plate 51, and the second connecting structure is a second screw hole 521 arranged on the second sealing plate 52; in other embodiments, the first connecting structure may be another metal piece welded to the filter plate body 1 or the bottom plate, and the second connecting structure may be another metal piece welded to the filter plate body 1 or the bottom plate.
Further, the supporting structure comprises a cross beam 31 and a filter rod 32, the cross beam 31 and the filter rod 32 are both made of metal, the cross beam 31 is provided with an air distribution groove 310, the air distribution groove 310 is a groove, and the cross beam corresponds to the position of the through hole 7, so that water flowing out of the through hole 7 flows into the air distribution groove 310; two filter rods 32 are connected to each beam 31, a chamber 320 is arranged on each filter rod 32, and the chamber 320 is communicated with the gas distribution groove 310, so that water in the gas distribution groove 310 flows into the chamber 320; a plurality of openings 321 are arranged at the lower part of the filter rod, the openings 321 can be round holes, strip-shaped holes, square holes and the like, and water entering the chamber 320 can flow out of the openings 321; meanwhile, the backflushed gas-water mixture enters the chamber 320 from the opening 321 and then flows out through the through hole 7, the cavity 4 and the filter hole 6 in sequence, so that the filter material is backflushed; an air distribution port 322 is provided at the upper portion of the filtering rod 32, and air in the cell body 10 can enter the air distribution groove 310 through the air distribution port 322.
Further, a fixing part 11 is pre-embedded in the bottom of the tank body 10, the fixing part 11 is a metal part fixed in the tank body 10, and the lower end of the filter rod 32 is welded to the lower part of the fixing part 11.
Example two
As shown in fig. 10-12, the difference between this embodiment and the first embodiment is that, in this embodiment, the bottom plate 2 is a plurality of plates, each bottom plate 2 corresponds to one ridge 3, the bottom plate 2 is a narrow stainless steel metal plate, and each bottom plate 2 only corresponds to the ridge 3 of the filter plate body 1, and the number of the bottom plates 2 is matched with the number of the ridges 3 during specific welding.
EXAMPLE III
As shown in fig. 13 to 15, the present embodiment is different from the first embodiment in that the cross-sectional shape of the ridge 3 is triangular in the present embodiment.
Example four
As shown in fig. 16 to 18, the present embodiment is different from the first embodiment in that: the cross-sectional shape of the ridge 3 in this embodiment is arcuate.
EXAMPLE five
As shown in fig. 19 to 21, the difference between the present embodiment and the first embodiment is that the filter plate in the present embodiment has a structure different from that of the first embodiment, specifically, the filter plate includes a plurality of filter plate bodies 1, a bottom plate 2, a first sealing plate 51, a second sealing plate 52, and a cavity 4; the filter plate body 1 is a stainless steel metal plate, and the cross section of the filter plate body 1 is trapezoidal; the bottom plate 2 and the filter plate body 1 are welded together in a seamless mode, the bottom plate 2 is a stainless steel metal plate, the width of the bottom plate is basically consistent with that of the whole filter plate body 1, and the bottom of the bottom plate 2 and the bottom of the filter plate body 1 are located on the same plane; the first sealing plate 51 is welded with the front sides of the filter plate body 1 and the bottom plate 2, and the second sealing plate 52 is welded with the rear sides of the filter plate body 1 and the bottom plate 2; because the formation of the filter plate body 1 leaves a certain space between the bottom plate 2 and the filter plate body 1, the inner wall of the filter plate body 1, the upper surface of the bottom plate 2, the side wall of the first sealing plate 51 and the side wall of the second sealing plate 52 enclose the formed closed cavity 4.
Furthermore, a plurality of filtering holes 6 are arranged on the side wall of the filter plate body 1, the filtering holes 6 are communicated with the cavity 4, when water is filtered, water enters the cavity 4 through the filtering holes 6, and when water is backwashed in the same way, the water can be flushed out of the cavity 4 through the filtering holes 6; the filter plate body 1 is provided with a through hole 7 communicated with the cavity 4, one end of a plastic filter tube is inserted into the cavity 4 through the through hole 7, so that clean water can flow into the filter chamber along the filter tube, and during backwashing, a gas-water mixture can pass through the through hole 7 and then enter the cavity 4.
EXAMPLE six
As shown in fig. 22 to 24, the present embodiment differs from the first embodiment in that: the structure of the filter plate in this embodiment is different from that in the first embodiment, specifically, the filter plate includes a filter plate body 1, a bottom plate 2, a plurality of protrusions 3, and a cavity 4; the filter plate body 1 is a stainless steel metal plate, the bottom plate 2 and the filter plate body 1 are welded together in a seamless mode, the bottom plate 2 is a stainless steel metal plate, the width of the stainless steel metal plate is basically consistent with that of the whole filter plate body 1, and the bottom of the bottom plate 2 and the bottom of the filter plate body 1 are located on the same plane; the convex part 3 is formed by the upward bulge of the filter plate body 1, of course, the convex part can also be formed by pressing the filter plate body 1 downwards, and the convex part 3 is hemispherical; because the convex part 3 is formed, a certain space is left between the bottom plate 2 and the filter plate body 1, and a sealed cavity 4 is formed by the inner wall of the convex part 3 and the upper surface of the bottom plate 2.
EXAMPLE seven
As shown in fig. 25 to 27, the present embodiment is different from the sixth embodiment in that the convex portion in the present embodiment has a long bar shape, and the cross-sectional shape of the convex portion is a trapezoid.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a stainless steel filtering pond of filter head is exempted from to high accuracy which characterized in that: comprises that
A tank body (10);
filtering the plate;
the cavity (4) is arranged on the filter plate;
a plurality of filter holes (6) for medium to flow into/out of the cavity (4) and a plurality of through holes (7) for medium to flow out/into the cavity (4) are arranged on the filter plate;
a support structure for supporting the filter plate; the medium flowing out through the through hole (7) flows into the supporting structure; the medium for backwashing the filter material flows into the cavity (4) through the supporting structure and the through holes (7) in sequence.
2. A high accuracy filter head-free stainless steel filter according to claim 1, wherein: the support structure comprises a filter rod (32), wherein a chamber (320) and an opening (321) for media to flow out of/into the chamber (320) are arranged on the filter rod (32), and the opening is arranged at the lower part of the filter rod (32).
3. A high accuracy filter head-free stainless steel filter according to claim 2, wherein: the supporting structure further comprises a cross beam (31) connected with the upper portion of the filter rod (32), and a gas distribution groove (310) communicated with the cavity (320) is formed in the cross beam (31).
4. A high accuracy filter head-free stainless steel filter according to claim 2, wherein: the upper part of the filter rod (32) is provided with an air distribution hole (322).
5. A high accuracy filter head-free stainless steel filter according to claim 2, wherein: a fixing piece (11) connected with the lower part of the filter rod (32) is arranged in the tank body (10).
6. A high accuracy filter head-free stainless steel filter according to claim 1, wherein: the filter plate comprises a filter plate body (1), a bottom plate (2) connected with the filter plate body (1), a plurality of convex ridges (3) formed by deformation of the filter plate body (1), a first sealing plate (51) matched with the front side of the filter plate body (1) and a second sealing plate (52) matched with the rear side of the filter plate body (1); the inner wall of the ridge (3), the upper surface of the bottom plate (2), the side wall of the first sealing plate (51) and the side wall of the second sealing plate (52) are arranged in a surrounding mode to form the cavity (4).
7. A high accuracy filter head-free stainless steel filter according to claim 6, wherein: the filtering holes (6) are arranged on the side wall of the raised ridge (3).
8. A high accuracy filter head-free stainless steel filter according to claim 6, wherein: the through hole (7) is arranged on the bottom plate (2).
9. A high accuracy filter head-free stainless steel filter according to claim 6, wherein: the number of the cavities (4) is n (n is more than or equal to 2), and the number of the first sealing plates (51) is a, so that a is more than or equal to 1 and less than or equal to n.
10. A high accuracy filter head free stainless steel filter according to claim 9, wherein: the number of the second sealing plates (52) of the cavity (4) is b, and b is more than or equal to 1 and less than or equal to n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098391.3U CN209885312U (en) | 2019-01-18 | 2019-01-18 | High-precision filter head-free stainless steel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920098391.3U CN209885312U (en) | 2019-01-18 | 2019-01-18 | High-precision filter head-free stainless steel filter |
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| Publication Number | Publication Date |
|---|---|
| CN209885312U true CN209885312U (en) | 2020-01-03 |
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ID=69016051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920098391.3U Active CN209885312U (en) | 2019-01-18 | 2019-01-18 | High-precision filter head-free stainless steel filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN209885312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513245A (en) * | 2019-01-18 | 2019-03-26 | 浙江联池水务设备股份有限公司 | High-precision exempts from the stainless steel filter tank of filter |
| CN113877257A (en) * | 2021-09-13 | 2022-01-04 | 浙江大东吴集团建设有限公司 | Reinforced concrete structure of filter tank of water plant |
-
2019
- 2019-01-18 CN CN201920098391.3U patent/CN209885312U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513245A (en) * | 2019-01-18 | 2019-03-26 | 浙江联池水务设备股份有限公司 | High-precision exempts from the stainless steel filter tank of filter |
| CN109513245B (en) * | 2019-01-18 | 2023-12-12 | 浙江联池水务设备股份有限公司 | Stainless steel filter tank with high-precision filter-head-free |
| CN113877257A (en) * | 2021-09-13 | 2022-01-04 | 浙江大东吴集团建设有限公司 | Reinforced concrete structure of filter tank of water plant |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chi Wanqing Inventor after: Chi Guozheng Inventor after: Chi Wenjun Inventor after: Lian Yuanxin Inventor after: Zhang Jian Inventor before: Chi Wanqing Inventor before: Chi Zhengguo Inventor before: Chi Wenjun Inventor before: Lian Yuanxin Inventor before: Zhang Jian |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 407, building 18, No. 998, Wenyi West Road, Yuhang District, Hangzhou City, Zhejiang Province 310000 Patentee after: ZHEJIANG LIANCHI WATER EQUIPMENT STOCK Co.,Ltd. Address before: Room 413, building 2, 1500 Wenyi West Road, Yuhang District, Hangzhou City, Zhejiang Province 310000 Patentee before: ZHEJIANG LIANCHI WATER EQUIPMENT STOCK Co.,Ltd. |