CN215334750U - Water drain valve structure of water-gas separator - Google Patents
Water drain valve structure of water-gas separator Download PDFInfo
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- CN215334750U CN215334750U CN202121349781.7U CN202121349781U CN215334750U CN 215334750 U CN215334750 U CN 215334750U CN 202121349781 U CN202121349781 U CN 202121349781U CN 215334750 U CN215334750 U CN 215334750U
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Abstract
The utility model discloses a drain valve structure of a water-gas separator, which comprises a separator shell, wherein an exhaust pipe is arranged on the upper end surface of the separator shell, an air inlet pipe is arranged on the side surface of the separator shell, and a drain structure is arranged on the lower part of the separator shell; a drainage separation part is arranged on the inner side wall of the separator shell and comprises a drainage separation hole connected with the exhaust pipe, and a condensation column is connected to the lower side of the drainage separation part; the drainage structure comprises a water collection cavity positioned at the lower part of the separator shell, the lower part of the water collection cavity is connected with a horizontal drainage pipe, the drainage pipe is connected with an electromagnetic drainage valve, and the electromagnetic drainage valve comprises a valve body part, an electromagnetic driving part and a cable plugging part; the outer side wall of the valve body part is provided with a plurality of annular flanges, and the drain valve mounting port is provided with an annular groove matched with the flanges; an electromagnetic drain valve is arranged in the drainage structure, so that the drainage frequency is automatically controlled, and the condensed water in the separator is conveniently cleaned.
Description
Technical Field
The utility model relates to the field of water-gas separation equipment, in particular to a drain valve structure of a water-gas separator.
Background
The water-gas separator comprises various separator structures such as baffle type, centrifugal type, spiral-flow type, gravity type, baffling type, filling type and the like, and is widely applied to various industrial and civil application occasions such as gas dust removal, oil-water separation, liquid impurity removal and the like.
The Chinese utility model with the application number of CN201821181321.6 in the prior art specially adapted to 2019, 05 and 21 discloses a vapor-liquid separator, which comprises a tank body and a motor, wherein a support foot is arranged below the outer side wall of the tank body, the support foot is fixedly connected with the tank body, a liquid collecting filter is arranged at the bottom of the tank body, the liquid collecting filter is fixedly connected with the tank body, an automatic water drain valve is arranged below the liquid collecting filter, and the automatic water drain valve is rotatably connected with the liquid collecting filter; however, in the scheme, the automatic water drain valve is arranged below the liquid collecting filter, and a bracket foot is required to be installed, so that the whole height of the gas-liquid separator is high, and the occupied space is large.
Chinese utility model with application number of CN200920081097.8 discloses an automatic drain valve for gas well gas-water separator, which comprises a water inlet flange, a water inlet pipe, a main water storage cylinder, a main cylinder flange, a balance gas communicating valve arranged on the main cylinder flange, a floating ball arranged in the main water storage cylinder, and a lever fixedly connected with the floating ball, and is characterized in that the side wall of the main water storage cylinder is provided with a horizontal cylinder communicated with the water storage cylinder, an upper connecting pipe communicated with the horizontal cylinder, and a water outlet pipe communicated with the upper connecting pipe, the end parts of the horizontal cylinder and the upper connecting pipe are provided with sealing covers, the upper connecting pipe is arranged at the upper side of the horizontal cylinder, a support is arranged in the horizontal cylinder, the lever is L-shaped, the lever is arranged on the support through hinge joint, a valve port is arranged at the joint of the upper connecting pipe and the horizontal cylinder, a valve clack matched with the valve port is arranged on the lever, the valve clack and the floating ball are respectively arranged at two sides of the lever, but the scheme is a pure mechanical structure, easy to damage and inconvenient to maintain.
Moreover, the above prior art has the following disadvantages: (1) the separation efficiency is not high; (2) after the water-gas separator stops working, a small amount of water vapor can be remained in the separator, and the water vapor can be condensed into water, so that the water vapor is gathered in the exhaust hole and mixed into the separated gas when the water-gas separator is used again; (3) in cold environments, water can freeze to block the vent holes, causing the separator to fail.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a drain valve structure of a water-gas separator.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a drain valve structure of a water-gas separator comprises a separator shell, wherein an exhaust pipe is arranged on the upper end face of the separator shell, an air inlet pipe is arranged on the side face of the separator shell, and a drain structure is arranged on the lower portion of the separator shell; the separator comprises a separator shell, and is characterized in that a drainage separation part is arranged on the inner side wall of the separator shell and comprises a drainage separation hole connected with an exhaust pipe, a condensation column is connected to the lower side of the drainage separation part and comprises a first conical frustum and an inverted second conical frustum connected with the first conical frustum, the condensation column comprises a first cylindrical inner cavity and a second cylindrical inner cavity, the upper end of the first cylindrical inner cavity is connected with the drainage separation hole, and a plurality of strip-shaped openings connected with the second cylindrical inner cavity are formed in the side surface of the second conical frustum; the drainage structure comprises a water collection cavity positioned at the lower part of the separator shell, the lower part of the water collection cavity is connected with a horizontal drainage pipe, the lower side of the separator shell is connected with an installation boss, and the installation boss is provided with a vertical drainage valve installation opening connected with the drainage pipe; the electromagnetic drainage valve comprises a valve body part clamped with the drainage mounting opening and an electromagnetic driving part connected with the valve body part, and one side of the electromagnetic driving part is connected with a cable plugging part; the lateral wall of valve body portion is equipped with a plurality of annular flange, the drain valve installing port be equipped with flange complex annular groove.
According to the principle of the water-gas separation in the scheme, the air flow enters the separator shell from the air inlet pipe, flows downwards around the condensation column after contacting the condensation column, water vapor in the air flow is condensed into water drops after contacting the surface of the condensation column, the water drops are influenced by gravity, flow downwards along the inclined conical surface of the second conical frustum, and then are dropped into the drainage structure and discharged to the outside of the separator shell; the dried airflow flows upwards, flows in from the strip-shaped opening, sequentially flows out of the separator shell through the second cylindrical inner cavity, the first cylindrical inner cavity, the drainage separation hole and the exhaust pipe;
the drainage structure is used for discharging condensed water accumulated in the separator, wherein the water collecting cavity is used for collecting the condensed water dripped from the condensation column, the condensed water flows to the electromagnetic drain valve from the bottom of the water collecting cavity through the drain pipe, when the electromagnetic drain valve is closed, the condensed water is accumulated in the water collecting cavity, and when the electromagnetic drain valve is opened, the condensed water accumulated in the water collecting cavity is discharged out of the separator; through setting up the electromagnetic drainage valve, automatic control drainage frequency conveniently clears up the comdenstion water in the separator.
Further, the electromagnetic driving portion comprises an installation shell, an electromagnetic coil is fixedly arranged in the installation shell, a movable iron core is sleeved on the electromagnetic coil, a compression spring is arranged on the upper side of the movable iron core, and a movable push rod is connected to the lower side of the movable iron core. When the electromagnetic coil is powered on, the movable iron core is attracted to overcome the elastic force of the compression spring to move upwards, and when the electromagnetic coil is powered off, the movable iron core moves downwards under the elastic force of the compression spring.
Further, the downside of valve body portion be equipped with drain pipe connection's piston assembly and jam subassembly, be equipped with fixed cover between piston assembly and the jam subassembly, it is equipped with the guide block to slide in the fixed cover, the guide block with movable push rod is connected. When the movable iron core moves downwards under the elastic force of the compression spring, the guide block moves in the fixed sleeve through the movable push rod, and when the guide block is contacted with the bottom of the fixed sleeve, the downward displacement of the movable iron core is limited.
Furthermore, the lower side of the movable iron core is connected with a pair of guide rods which are symmetrically arranged relative to the movable push rod, the inner side wall of the valve body part is provided with a pair of vertical guide grooves, one ends of the guide rods are positioned in the guide grooves and are in sliding connection with the guide grooves, and when the electromagnetic drain valve is closed, the movable iron core and the valve body part form a closed cavity. The guide rod is matched with the guide groove and used for limiting the movable iron core to move along a straight line, when the movable iron core moves upwards to the electromagnetic driving part, a water outlet is formed between the lower side of the movable iron core and the valve body part, and when the movable iron core moves downwards to the valve body part, the water outlet of the electromagnetic drain valve is closed.
Furthermore, the cable plug part comprises a wiring slot and a clamping assembly connected with the cable socket.
Furthermore, the maximum diameter of the first truncated cone is larger than that of the second truncated cone, and the lower end face of the first truncated cone and the upper end face of the second truncated cone form a first step structure. The first step structure is used for blocking the airflow so that the airflow flows in from the strip-shaped opening of the second cone frustum.
Furthermore, the diameter of the drainage separation hole is larger than the inner diameter of the exhaust pipe, and the drainage separation hole is provided with a circle of inclined inner wall connected with the exhaust pipe. After the separator stops working, residual moisture in the separator is condensed at the inclined inner wall of the drainage separation hole, so that water is prevented from being frozen in the exhaust pipe, and the influence on the next use is avoided.
Furthermore, the diameter of the first cylindrical inner cavity is larger than that of the second cylindrical inner cavity, and a second step structure is formed by the first cylindrical inner cavity and the second cylindrical inner cavity. The first cylindrical inner cavity is used for collecting water flowing back from the drainage separation hole, and after the water is collected quantitatively, the water flows out from the strip-shaped opening under the influence of gravity.
Compared with the prior art, the utility model has the beneficial effects that:
1. an electromagnetic drain valve is arranged in the drainage structure, a water collecting cavity collects condensed water dripped from a condensation column, the condensed water flows to the electromagnetic drain valve from the bottom of the water collecting cavity through a drain pipe, when the electromagnetic drain valve is closed, the condensed water is accumulated in the water collecting cavity, and when the electromagnetic drain valve is opened, the condensed water accumulated in the water collecting cavity is discharged out of the separator; the electromagnetic drain valve automatically controls the drain frequency, so that the condensed water in the separator can be conveniently cleaned;
2. the drainage separation part and the condensation tower are arranged to carry out double separation on water and gas, so that the separation efficiency is improved, the separated gas is prevented from being secondarily polluted, the exhaust hole is prevented from being frozen, and the working stability and the cold resistance of the separator are improved;
3. after the water-gas separator stops working, a small amount of water-gas can be remained in the separator, and by arranging the drainage separation hole, a small amount of condensed water remained in the separator flows into the drainage separation hole after the separator stops working, and the drainage separation hole has a larger aperture, so that the exhaust pipe is prevented from being blocked after water freezes;
4. the circle of the water drainage separation hole is connected with the inclined inner wall of the exhaust pipe, and after the separator stops working, residual water vapor in the separator is condensed at the inclined inner wall of the water drainage separation hole, so that the phenomenon that water freezes in the exhaust pipe and influences the next use is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a water-gas separator and a drain valve according to the present invention;
FIG. 2 is a schematic view of the structure of the water discharge valve of the present invention;
in the figure: 1. a separator housing; 2. an exhaust pipe; 3. an air inlet pipe; 4. a drain separation section; 5. a drain separation hole; 6. a condensation column; 7. a first truncated cone; 8. a second truncated cone; 9. a first cylindrical inner cavity; 10. a second cylindrical inner cavity; 11. a strip-shaped opening; 12. a water collection cavity; 13. a drain pipe; 14. mounting a boss; 15. an electromagnetic drain valve; 16. a valve body portion; 17. an electromagnetic drive section; 18. a cable insertion part; 19. an electromagnetic coil; 20. a movable iron core; 21. a movable push rod; 22. a compression spring; 23. a piston assembly; 24. a plugging component; 25. fixing a sleeve; 26. a guide block; 27. a guide rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "horizontal", "vertical", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 2, a drain valve structure of a water-gas separator includes a separator housing 1, an exhaust pipe 2 is disposed on an upper end surface of the separator housing 1, an intake pipe 3 is disposed on a side surface of the separator housing 1, and a drain structure is disposed on a lower portion of the separator housing 1; a drainage separation part 4 is arranged on the inner side wall of the separator shell 1, the drainage separation part 4 comprises a drainage separation hole 5 connected with the exhaust pipe 2, a condensation column 6 is connected to the lower side of the drainage separation part 4, the condensation column 6 comprises a first cone frustum 7 and an inverted second cone frustum 8 connected with the first cone frustum 7, the condensation column 6 comprises a first cylindrical inner cavity 9 and a second cylindrical inner cavity 10, the upper end of the first cylindrical inner cavity 9 is connected with the drainage separation hole 5, and a plurality of strip-shaped openings 11 connected with the second cylindrical inner cavity 10 are formed in the side surface of the second cone frustum 8; the drainage structure comprises a water collection cavity 12 positioned at the lower part of the separator shell 1, a horizontal drainage pipe 13 is connected to the lower part of the water collection cavity 12, an installation boss 14 is connected to the lower side of the separator shell 1, and the installation boss 14 is provided with a vertical drainage valve installation opening connected with the drainage pipe 13; the electromagnetic drain valve 15 is detachably connected to the drain valve mounting port, the electromagnetic drain valve 15 comprises a valve body part 16 clamped with the drain mounting port and an electromagnetic driving part 17 connected with the valve body part 16, and one side of the electromagnetic driving part 17 is connected with a cable plugging part 18; the outer side wall of the valve body part 16 is provided with a plurality of annular flanges, and the drain valve mounting opening is provided with an annular groove matched with the flanges.
The principle of the water-gas separation in the scheme is that air flow enters the separator shell 1 from the air inlet pipe 3, after the air flow contacts the condensation column 6, the air flow flows downwards around the condensation column 6, water vapor in the air flow contacts the surface of the condensation column 6 and then is condensed into water drops, and the water drops flow downwards along the inclined conical surface of the second conical table 8 under the influence of gravity and then drop into the drainage structure to be discharged to the outside of the separator shell 1; the dried airflow flows upwards, flows in from the strip-shaped opening 11, sequentially flows out of the separator shell 1 through the second cylindrical inner cavity 10, the first cylindrical inner cavity 9, the drainage separation hole 5 and the exhaust pipe 2;
the drainage structure is used for discharging condensed water accumulated in the separator, wherein the water collecting cavity 12 is used for collecting the condensed water dropping from the condensation column 6, the condensed water flows to the electromagnetic drain valve 15 from the bottom of the water collecting cavity 12 through the drain pipe 13, when the electromagnetic drain valve 15 is closed, the condensed water is accumulated in the water collecting cavity 12, and when the electromagnetic drain valve 15 is opened, the condensed water accumulated in the water collecting cavity 12 is discharged out of the separator; through setting up electromagnetic drainage valve 15, automatic control drainage frequency conveniently clears up the comdenstion water in the separator.
Further, electromagnetic drive portion 17 is including installing the casing, the internal fixed solenoid 19 that is provided with of installation casing, solenoid 19 cover is equipped with movable iron core 20, the upside of movable iron core 20 is equipped with compression spring 22, the downside of movable iron core 20 is connected with movable push rod 21. When the electromagnetic coil 19 is energized, the movable iron core 20 is attracted to move upward against the elastic force of the compression spring 22, and when the electromagnetic coil 19 is de-energized, the movable iron core 20 moves downward by the elastic force of the compression spring 22.
Further, a piston assembly 23 and a blocking assembly 24 connected with the water discharge pipe 13 are arranged on the lower side of the valve body portion 16, a fixing sleeve 25 is arranged between the piston assembly 23 and the blocking assembly 24, a guide block 26 is arranged in the fixing sleeve 25 in a sliding mode, and the guide block 26 is connected with the movable push rod 21. When the movable iron core 20 moves downwards under the elastic force of the compression spring 22, the guide block 26 moves in the fixed sleeve 25 through the movable push rod 21, and when the guide block 26 contacts with the bottom of the fixed sleeve 25, the downward displacement of the movable iron core 20 is limited.
Further, the lower side of the movable iron core 20 is connected with a pair of guide rods 27 which are symmetrically arranged relative to the movable push rod 21, the inner side wall of the valve body part 16 is provided with a pair of vertical guide grooves, one ends of the guide rods 27 are positioned in the guide grooves and are in sliding connection with the guide grooves, and when the electromagnetic drain valve 15 is closed, the movable iron core 20 and the valve body part 16 form a closed chamber. The guide rod 27 is engaged with the guide groove to limit the displacement of the movable iron core 20 along a straight line, when the movable iron core 20 moves upward to the electromagnetic driving portion 17, a water outlet is formed between the lower side of the movable iron core 20 and the valve body portion 16, and when the movable iron core 20 moves downward to the valve body portion 16, the water outlet of the electromagnetic drain valve 15 is closed.
Further, the cable insertion part 18 includes a connection slot and a clamping assembly for connecting with a cable socket.
Further, the maximum diameter of the first truncated cone 7 is larger than that of the second truncated cone 8, and the lower end surface of the first truncated cone 7 and the upper end surface of the second truncated cone 8 form a first step structure. The first step structure is used for blocking the air flow, so that the air flow flows in from the strip-shaped opening 11 of the second cone frustum 8.
Further, the diameter of the drainage separation hole 5 is larger than the inner diameter of the exhaust pipe 2, and a circle of inclined inner wall connected with the exhaust pipe is arranged on the drainage separation hole 5. After the separator stops working, residual moisture in the separator is condensed at the inclined inner wall of the drainage separation hole 5, so that water is prevented from being frozen in the exhaust pipe and influencing the next use.
Further, the diameter of the first cylindrical inner cavity 9 is larger than that of the second cylindrical inner cavity 10, and the first cylindrical inner cavity 9 and the second cylindrical inner cavity 10 form a second step structure. The first cylindrical cavity 9 is used to collect the water returning from the drain separation hole 5, and after collecting a certain amount of water, the water flows out from the strip-shaped opening 11 under the influence of gravity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The drain valve structure of the water-gas separator is characterized by comprising a separator shell, wherein an exhaust pipe is arranged on the upper end surface of the separator shell, an air inlet pipe is arranged on the side surface of the separator shell, and a drain structure is arranged on the lower part of the separator shell; the separator comprises a separator shell, and is characterized in that a drainage separation part is arranged on the inner side wall of the separator shell and comprises a drainage separation hole connected with an exhaust pipe, a condensation column is connected to the lower side of the drainage separation part and comprises a first conical frustum and an inverted second conical frustum connected with the first conical frustum, the condensation column comprises a first cylindrical inner cavity and a second cylindrical inner cavity, the upper end of the first cylindrical inner cavity is connected with the drainage separation hole, and a plurality of strip-shaped openings connected with the second cylindrical inner cavity are formed in the side surface of the second conical frustum; the drainage structure comprises a water collection cavity positioned at the lower part of the separator shell, the lower part of the water collection cavity is connected with a horizontal drainage pipe, the lower side of the separator shell is connected with an installation boss, and the installation boss is provided with a vertical drainage valve installation opening connected with the drainage pipe; the electromagnetic drainage valve comprises a valve body part clamped with the drainage mounting opening and an electromagnetic driving part connected with the valve body part, and one side of the electromagnetic driving part is connected with a cable plugging part; the lateral wall of valve body portion is equipped with a plurality of annular flange, the drain valve installing port be equipped with flange complex annular groove.
2. The drain valve structure of a water-gas separator as claimed in claim 1, wherein the electromagnetic driving part comprises an installation housing, an electromagnetic coil is fixedly arranged in the installation housing, the electromagnetic coil is sleeved with a movable iron core, a compression spring is arranged on the upper side of the movable iron core, and a movable push rod is connected to the lower side of the movable iron core.
3. The drain valve structure of a water-gas separator as claimed in claim 2, wherein a piston assembly and a blocking assembly connected to the drain pipe are disposed at a lower side of the valve body, a fixing sleeve is disposed between the piston assembly and the blocking assembly, a guide block is slidably disposed in the fixing sleeve, and the guide block is connected to the movable push rod.
4. The drain valve structure of a water-gas separator as claimed in claim 3, wherein the lower side of the movable iron core is connected with a pair of guide rods symmetrically arranged relative to the movable push rod, the inner side wall of the valve body is provided with a pair of vertical guide grooves, one ends of the guide rods are located in the guide grooves and are slidably connected with the guide grooves, and when the electromagnetic drain valve is closed, the movable iron core and the valve body form a closed chamber.
5. The drain valve structure of a water-gas separator as claimed in claim 1, wherein the cable insertion part comprises a connection slot and a clamping component for connecting with a cable socket.
6. The drain valve structure of a water-gas separator as claimed in claim 1, wherein the maximum diameter of the first truncated cone is larger than the maximum diameter of the second truncated cone, and the lower end surface of the first truncated cone and the upper end surface of the second truncated cone form a first step structure.
7. The drain valve structure of a water-gas separator as claimed in claim 1, wherein the diameter of the drain separation hole is larger than the inner diameter of the exhaust pipe, and the drain separation hole is provided with a circle of inclined inner wall connected with the exhaust pipe.
8. A drain valve structure of a water-gas separator as in claim 1, wherein the diameter of the first cylindrical inner cavity is larger than the diameter of the second cylindrical inner cavity, and the first cylindrical inner cavity and the second cylindrical inner cavity form a second step structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121349781.7U CN215334750U (en) | 2021-06-17 | 2021-06-17 | Water drain valve structure of water-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121349781.7U CN215334750U (en) | 2021-06-17 | 2021-06-17 | Water drain valve structure of water-gas separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334750U true CN215334750U (en) | 2021-12-28 |
Family
ID=79558741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121349781.7U Active CN215334750U (en) | 2021-06-17 | 2021-06-17 | Water drain valve structure of water-gas separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334750U (en) |
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2021
- 2021-06-17 CN CN202121349781.7U patent/CN215334750U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220424 Address after: 201311 buildings 1 and 2, No. 333, Haiyang 1st Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Aoyu Hydrogen Energy Technology Co.,Ltd. Address before: 430000 South Taizi Lake innovation Valley, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee before: Hubei hanruijing Automobile Intelligent System Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221025 Address after: 201311 buildings 1 and 2, No. 333, Haiyang 1st Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Hurichao Technology Partnership (L.P.) Address before: 201311 buildings 1 and 2, No. 333, Haiyang 1st Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Shanghai Aoyu Hydrogen Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230314 Address after: 201800 room 2201 J, 888 Moyu South Road, Anting Town, Jiading District, Shanghai Patentee after: Shanghai Furui Hydrogen New Energy Technology Co.,Ltd. Address before: 201311 buildings 1 and 2, No. 333, Haiyang 1st Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Shanghai Hurichao Technology Partnership (L.P.) |