CN210626974U - Automatic control device for making bittern - Google Patents
Automatic control device for making bittern Download PDFInfo
- Publication number
- CN210626974U CN210626974U CN201921199057.3U CN201921199057U CN210626974U CN 210626974 U CN210626974 U CN 210626974U CN 201921199057 U CN201921199057 U CN 201921199057U CN 210626974 U CN210626974 U CN 210626974U
- Authority
- CN
- China
- Prior art keywords
- gate
- water
- flashboard
- frame
- automatic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to a control device of distributed salt pan, especially system steamed automatic control device. The automatic control system comprises a flashboard opening device, a remote control box, a photovoltaic power supply system, a wireless transmission device and a liquid level meter, wherein the flashboard opening device comprises a frame, a flashboard and a battery panel, the flashboard is arranged on the frame, the flashboard is connected with the frame through a hinge shaft, one end of the hinge shaft is provided with a motor, and the motor is connected with a circuit of the battery panel; the density meter and the liquid level meter are respectively arranged on the gate board frame. Compared with the prior art, the utility model, can realize in time accurate feedback production operation information, realize remote operation, automatic control can subtract the increase of personnel.
Description
Technical Field
The utility model relates to a control device of distributed salt pan, especially a bittern-making automatic control device.
Background
In existing distributed salt fields, there are as many as 20 to 30 gates per unit evaporation zone, and brine management is a critical loop. At present, the traditional manual operation mode is completely adopted for brine concentration detection and brine movement through a gate, the operation range is wide, and the production operation process is greatly influenced by human factors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be in real time at the system bittern automatic control device of monitoring bittern concentration, degree of depth and each item parameter.
The utility model adopts the following technical scheme:
an automatic control device for brine production comprises a flashboard opening device, a remote control box, a photovoltaic power supply system, a wireless transmission device and a liquid level meter, wherein the flashboard opening device comprises a frame, a flashboard and a battery panel, the flashboard is arranged on the frame and is connected with the frame through a hinge shaft, one end of the hinge shaft is provided with a motor, and the motor is connected with a circuit of the battery panel; the density meter and the liquid level meter are respectively arranged on the gate board frame.
Adopt above-mentioned technical scheme the utility model discloses compare with prior art, can realize in time accurate feedback production operation information, realize remote operation, automatic control can subtract the increase of personnel.
The utility model discloses the preferred scheme that controlling means adopted is:
the number of the gate plates is two, the hinge shafts where the two gate plates are respectively arranged are respectively sleeved with a sleeve, the sleeve is fixedly connected with the hinge shafts through screws, and the two hinge shafts are connected through a connecting rod mechanism.
The connecting rod mechanism consists of a first short rod, a long rod and a second short rod; the one end and the first bushing of first quarter butt, the other end and the one end of stock of first quarter butt are connected, and the other end and the one end of second quarter butt of stock are connected, and the other end and the second bushing of second quarter butt, the length of first quarter butt and second quarter butt equals.
A cover body is arranged above the motor and is arranged at the top of the frame.
The flashboard is square structure.
The technical scheme adopted by the control method is as follows:
the control method of the automatic control device for making bittern comprises the following steps: performing control operation through the wireless transmission device;
a. firstly, opening an outlet gate of a water storage area, timing when the gate is opened after all the gate is opened, closing the outlet gate after the set time is reached, and feeding back the state of closing the gate in place to a remote control monitoring room;
b. opening a water inlet gate of a water storage area, starting timing and opening a water outlet gate of an upstream evaporation pool after the water inlet gate is opened in place, starting a water pump upstream of the water pump after the water outlet gate of the upstream evaporation pool receives an opening instruction and a signal for closing the water inlet gate is lost, detecting the state of the water outlet gate of the upstream evaporation pool in place and the running state of the water pump of the upstream evaporation pool after the time of T5, closing the water inlet gate after the water storage area reaches the time, and feeding back a state indication of closing the water inlet gate in place;
c. closing the water outlet gate of the upstream evaporation pool after the time is up, receiving a closing instruction by the water outlet gate of the upstream evaporation pool, and delaying T2 to stop the water pump at the outlet of the upstream evaporation pool after the opening arrival signal is lost; after the water outlet gate of the upstream evaporation pool is opened to the position for T3 time, the check gate of the upstream evaporation pool is opened, timing is started after the water outlet gate is opened to the position, and the check gate of the upstream evaporation pool is automatically closed after the time is reached; the upstream evaporation pool water inlet pump is started after the upstream evaporation pool check gate is opened to the position T4, the upstream evaporation pool water inlet pump starts timing after running, and the upstream evaporation pool water inlet pump is closed after running time of the upstream evaporation pool water inlet pump is reached; thus finishing one water running operation.
The control method adopts the following preferred scheme:
the number of the upstream evaporation tanks is three, namely an upstream evaporation tank I, an upstream evaporation tank II and an upstream evaporation tank III; the two water storage areas are respectively a water storage area I and a water storage area II; the specific operation steps are as follows:
performing control operation through the wireless transmission device;
a. firstly, opening an outlet gate of a water storage secondary area, timing when the gate is opened after all the gate is opened, closing the outlet gate of the water storage secondary area after the set time is reached, and feeding back the in-place closing state to a remote control monitoring room;
opening a water storage water serial gate between the first water storage area and the second water storage area, starting timing after the water storage water serial gate is opened to a position, closing the water storage water serial gate after the time is reached, and feeding back a closed-position state to a remote control monitoring room;
b. opening a water inlet gate of a first water storage area, starting timing and opening a gate of a third outlet of an upstream evaporation pool after the gate is in place, starting a first water outlet pump of the third outlet of the upstream evaporation pool of the water pump after the gate of the third outlet of the upstream evaporation pool receives an opening instruction and a signal for closing the gate in place is lost, detecting the state that the gate of the third outlet of the upstream evaporation pool is in place and the running state of the first water outlet pump of the third outlet of the upstream evaporation pool after the time of T5, closing the gate of the water inlet gate of the first water storage area after the time of the gate in place is reached, and feeding back a state;
c. closing the three outlet gates of the upstream evaporation pool after the time is up, receiving a closing instruction by the three outlet gates of the upstream evaporation pool, and delaying T2 to stop the first water outlet pump at the three outlets of the upstream evaporation pool after the opening arrival signal is lost; after the gate of the outlet of the upstream evaporation pool three is opened to the position T3, the upstream evaporation pool check gate between the upstream evaporation pool I and the upstream evaporation pool II is opened, timing is started after the gate is opened to the position, and the upstream evaporation pool check gate is automatically closed after the time is reached; the upstream evaporation pool water inlet pump is started after the upstream evaporation pool check gate is opened to the position T4, the upstream evaporation pool water inlet pump starts timing after running, and the upstream evaporation pool water inlet pump is closed after running time of the upstream evaporation pool water inlet pump is reached; thus finishing one water running operation.
Before 6 o 'clock a day, the actual evaporation amount of yesterday or the operation time of a gate and a water pump on the day are manually input, and when the measured value of the baume degree displayed by a densimeter at the outlet of the second water storage area at 6 o' clock is not less than the set value B1, the program automatically runs.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the shutter opening device of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a view from direction a in fig. 2.
Fig. 5 is a main loop circuit diagram.
Fig. 6 is a circuit diagram of the main controller.
Fig. 7 is a circuit diagram of the first sub-controller.
Fig. 8 is a circuit diagram of the second sub-controller.
Fig. 9 is a circuit diagram of the third sub-controller.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and embodiments:
an automatic control device for halogen production, referring to fig. 1 to 4, in fig. 1: an upstream evaporation pool I1, an upstream evaporation pool check gate 2, an upstream evaporation pool three-outlet gate 3, a first densimeter 4, a first water storage area inlet gate 5, a first water storage area 6, a first liquid level meter 7, a water storage area water crossing gate 8, a halogen making area road 9, a halogen conveying channel 10, a halogen returning channel 11, a second water storage area 12, an evaporation pool 13, a water conveying channel 14, a second liquid level meter 15, a second densimeter 16, a second water storage area outlet gate 17, a third upstream evaporation pool outlet first water outlet pump 18, a third upstream evaporation pool outlet second water outlet pump 19, an upstream evaporation pool inlet pump 20, a second upstream evaporation pool 21, a third upstream evaporation pool 22 and a machine room 23; in fig. 2 to 4: the device comprises a first cross bar 24, a cover body 25, a motor 26, a first hinge shaft 27, a first sleeve 28, a first short bar 29, a long bar 30, a first gate plate 31, a rubber block 32, a longitudinal bar 33, a second cross bar 35, a third cross bar 34, a fourth cross bar 36, a second long bar 37, a second sleeve 38, a second hinge shaft 39 and a second gate plate 40.
In this embodiment, a control box is installed in the remote monitoring room, and a main controller and three sub-controllers are installed in the control box. The water delivery path 14 is connected with an upstream evaporation pool I1, an inlet of the upstream evaporation pool I1 is provided with an upstream evaporation pool inlet pump 20 (the upstream evaporation pool inlet pump 20 adopts an original 500-shaft pump, the specification model is 350ZLB-4.0 manufacturer: Nippon Shanghai pump industry Co., Ltd.), an upstream evaporation pool check gate 2 is arranged between the upstream evaporation pool I1 and an upstream evaporation pool II 21, an outlet of an upstream evaporation pool III 22 is provided with an upstream evaporation pool III outlet gate 3, and two water pumps are arranged at the position of the upstream evaporation pool III outlet gate 3: the water-saving type white water machine comprises a first water pump 18 at the third outlet of an upstream evaporation tank and a second water pump 19 at the third outlet of the upstream evaporation tank, wherein the two water pumps respectively adopt an original 350-axial flow pump and a new 350-axial flow pump, the specification model of the axial flow pump is 350ZLB-4.0 manufacturer: Ningshi pump industry Co., Ltd. in Tang mountain, two small pumps are adopted, because the fall of the bottom of the tank is small, the self-flow cannot be realized, the two water pumps are arranged, the pumped water is poured, a white water machine room 23 is arranged near the first water pump 18 at the third outlet of the upstream evaporation tank (the new 350-axial flow pump), and one starting cabinet is additionally arranged on the three water outlets 3 of the upstream evaporation tank. A wireless transmission module (AB 433G, produced by Xian ai Bao Internet of things science and technology Co., Ltd.) is installed on the upstream evaporation pond water inlet pump 20.
The first water storage area 6 is provided with a first water storage area water inlet gate 5, the first water storage area water inlet gate 5 and the second water storage area 12 are provided with a water storage area water communicating gate 8, the second water storage area 12 is provided with a second water storage area outlet gate 17, the second water storage area outlet gate 17 is connected with a brine conveying channel 10, one side of the brine conveying channel 10 is a brine returning channel 11, and one side of the brine returning channel 11 is an evaporation pool 13. The brine conveying channel 10 is used for blowing bromine to chemical enterprises from brine flowing out of a water storage of a test position. The brine return channel 11 is brine returned after bromine blowing by chemical enterprises. Flows into the evaporation pool 13 from the brine return channel 11 through the evaporation pool gate for beach drying.
A second liquid level meter 15 and a second density meter 16 are arranged on a gate plate frame of a water storage second area outlet gate 17, a first liquid level meter 7 is arranged on the gate plate frame of a water storage serial water gate, a first density meter 4 is arranged on a gate plate frame plate of an upstream evaporation pond third outlet gate 3, and the liquid level meters adopt high-frequency radar liquid level meters (LW 55-PRFAABAMA, produced by Jiangsu Yanghe river group Limited company). The densimeter adopts a tuning fork type online densimeter (model: SDT600-4BF, manufactured by Mitsui measuring instrument (Zhongshan).
The upper evaporation pool check gate 2, the water storage first area water inlet gate 5, the water storage serial water gate 8 and the water storage second area outlet gate 17 are respectively provided with a photovoltaic power supply system (adopting a solar panel to supply power for a motor 26) and a glass fiber reinforced plastic cover body 25, the cover body 25 is arranged above the motor 26, and the four gate bodies are respectively provided with a wireless transmission module (AB 433G type, produced by the Xian ai Bao Internet of things science and technology Co., Ltd.).
The three exit floodgates 3 of the upstream evaporation pond are provided with 2 tons of manual and electric integrated opening and closing machines which lay electricity to a white water machine room 23, a first densimeter is positioned on a flashboard frame 4 close to the three exit floodgates 4 of the upstream evaporation pond, and a second densimeter 16 is positioned on a flashboard frame of the water storage second area exit floodgate 16.
The ram frame in the ram opening device is composed of three longitudinal bars 33, and a first cross bar 24, a second cross bar 35, a third cross bar 34, and a fourth cross bar 36 connecting the upper portions of the three longitudinal bars, as in the structure shown in fig. 2.
The number of the gate plates is two, the gate plates are symmetrically arranged, and the first gate plate 31 is connected with a fourth cross rod 36 of the frame through a first hinge shaft 27; the second shutter 40 is connected to the third cross bar 34 by a second hinge shaft 39. The first hinge shaft 27 has a motor 26 mounted at one end thereof, and the motor 26 is electrically connected to a battery panel (not shown, which should be located on the ground placed on one side of the shutter frame). A cover body 25 is arranged above the motor 26, the cover body 25 is arranged on a second cross rod 35 at the top of the frame, and the cover body 25 is made of glass fiber reinforced plastics.
The first sleeve 28 is sleeved on the first hinge shaft 27, the second sleeve 38 is sleeved on the second hinge shaft 39, the first sleeve 28 is fixedly connected with the first hinge shaft 27 through a screw, and the second sleeve 38 is fixedly connected with the second hinge shaft 39 through a screw.
The first hinge shaft 27 and the second hinge shaft 39 are connected by a link mechanism.
The link mechanism is composed of a first short rod 29, a long rod 30 and a second short rod 37; one end of the first short rod 29 is connected with the first sleeve 28, the other end of the first short rod 29 is connected with one end of the long rod 30, the other end of the long rod 30 is connected with one end of the second short rod 37, the other end of the second short rod 37 is connected with the second sleeve 38, and the lengths of the first short rod 29 and the second short rod 37 are equal.
The first gate plate 31 and the second gate plate 40 are respectively of a square structure, and rubber blocks 32 are respectively arranged on two sides of each gate plate, which are in contact with the longitudinal plate 31, so that the rubber blocks can better play a role in sealing in a closed state.
The control method of the embodiment is performed as follows: performing control operation through the wireless transmission device; before 6 o 'clock a day, yesterday actual evaporation capacity or day gate and water pump running time are manually input, and when the baume measurement value displayed by the density at 6 o' clock and the water storage two-zone outlet is not less than the set value B1 (the B1 value is changed with different evaporation capacities of weather station dishes, and is generally 7 degrees B), the program automatically runs.
a. Firstly, opening the outlet gate 17 of the second water storage area, timing when the gate is opened after the gate is completely opened, closing the gate of the outlet gate 17 of the second water storage area after the set time is up to 2 hours, and feeding back the state of closing the gate to a remote control monitoring room.
And opening the water storage serial water gate 8 between the first water storage area and the second water storage area, starting timing after the water storage serial water gate is opened in place, closing the water storage serial water gate 8 after the time reaches 2 hours, and feeding back the in-place state to a remote control monitoring room.
b. The water inlet gate 5 of the first water storage area is opened, timing is started after the water inlet gate is opened in place, the gate 3 of the third outlet of the upstream evaporation pool is opened, the first water outlet pump 18 of the third outlet of the upstream evaporation pool is started after the gate 3 of the third outlet of the upstream evaporation pool receives an opening instruction and a signal for closing the position is lost, a delay time T1 (for example, 5 seconds, for the purpose of protecting pump evacuation) is delayed, the state that the gate 3 of the third outlet of the upstream evaporation pool is opened in place and the running state of the first water outlet pump 18 of the third outlet of the upstream evaporation pool are detected after T5 (feedback detection time, 180 seconds) is finished, the water inlet gate 5 of the first water storage area is closed after.
c. The three water outlets of the upstream evaporation pool are closed after 3 to 2 hours, the three water outlets of the upstream evaporation pool 3 receive a closing instruction, and the first water outlet pump 18 at the three outlets of the upstream evaporation pool is stopped (the water pump is prevented from being emptied) after the opening arrival signal is lost and T2 (5 seconds) is delayed; after the water outlet gate 3 of the upstream evaporation pool III is opened to the position T3 (0-3 hours), the upstream evaporation pool check gate 2 between the upstream evaporation pool I1 and the upstream evaporation pool II 21 is opened, timing is started after the upstream evaporation pool check gate 2 is opened to the position, and the upstream evaporation pool check gate 2 is automatically closed after 2 hours; wherein, the upstream evaporation pool water inlet pump 20 is opened after the upstream evaporation pool check gate 2 is opened to the position T4 (0-12 hours), the upstream evaporation pool water inlet pump 20 starts to time after running, and the upstream evaporation pool water inlet pump 20 is closed after running for 2 hours; thus finishing one water running operation.
In the embodiment, the GPRS signal wireless transmission is communicated with the central dispatching room of the safety production part, so that the automatic water distribution control of 8 devices including the first water outlet pump 18 at the three outlets of the upstream evaporation pool, the second water outlet pump 19 at the three outlets of the upstream evaporation pool, the water inlet pump (original 500 axial flow pump) of the upstream evaporation pool and 5 gates is realized.
The utility model is not limited to the three upstream evaporation ponds and the two water storage areas listed in the above embodiment, and more upstream evaporation ponds and/or more water storage areas can be arranged according to the requirements of terrain or topography; are all considered to be within the protection scope of the present invention.
Claims (5)
1. The utility model provides a system steamed automatic control device, includes flashboard opening device, remote control case, photovoltaic power supply system, wireless transmission device, level gauge, its characterized in that: the flashboard opening device comprises a frame, a flashboard and a battery board, wherein the flashboard is arranged on the frame and is connected with the frame through a hinge shaft, one end of the hinge shaft is provided with a motor, and the motor is connected with a circuit of the battery board; the density meter and the liquid level meter are respectively arranged on the gate board frame.
2. The automatic control device for bittern production according to claim 1, characterized in that: the number of the gate plates is two, the hinge shafts where the two gate plates are respectively arranged are respectively sleeved with a sleeve, the sleeve is fixedly connected with the hinge shafts through screws, and the two hinge shafts are connected through a connecting rod mechanism.
3. The automatic control device for producing bittern of claim 2, wherein: the connecting rod mechanism consists of a first short rod, a long rod and a second short rod; the one end and the first bushing of first quarter butt, the other end and the one end of stock of first quarter butt are connected, and the other end and the one end of second quarter butt of stock are connected, and the other end and the second bushing of second quarter butt, the length of first quarter butt and second quarter butt equals.
4. The automatic control device for bittern production according to claim 1, characterized in that: a cover body is arranged above the motor and is arranged at the top of the frame.
5. The automatic control device for bittern production according to claim 1, characterized in that: the flashboard is square structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921199057.3U CN210626974U (en) | 2019-07-29 | 2019-07-29 | Automatic control device for making bittern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921199057.3U CN210626974U (en) | 2019-07-29 | 2019-07-29 | Automatic control device for making bittern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210626974U true CN210626974U (en) | 2020-05-26 |
Family
ID=70752914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921199057.3U Active CN210626974U (en) | 2019-07-29 | 2019-07-29 | Automatic control device for making bittern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210626974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850815A (en) * | 2019-07-29 | 2020-02-28 | 唐山三友盐化有限公司 | Automatic control device and process for bittern making |
-
2019
- 2019-07-29 CN CN201921199057.3U patent/CN210626974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850815A (en) * | 2019-07-29 | 2020-02-28 | 唐山三友盐化有限公司 | Automatic control device and process for bittern making |
| CN110850815B (en) * | 2019-07-29 | 2024-10-01 | 唐山三友盐化有限公司 | Automatic control device and process for marinating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103981832B (en) | Urban small river ecological moisturizing dispatching method and system | |
| CN210626974U (en) | Automatic control device for making bittern | |
| CN207415707U (en) | A kind of anti-excessive device of additive | |
| CN109060062B (en) | Inner-barrel-limiting irrigation water quantity metering device | |
| CN110850815A (en) | Automatic control device and process for bittern making | |
| CN208183694U (en) | A kind of water conservancy and hydropower dam floating object cleaning device | |
| CN210402111U (en) | Water level measuring device of secondary water supply and storage equipment | |
| CN105781493B (en) | Metering room concentrates chemicals dosing plant | |
| CN209102153U (en) | A kind of U-shaped canal airfoil type automatic measuring water installations | |
| CN205077451U (en) | Novel frameless frame automatic control water gate device | |
| CN204202729U (en) | A kind of weighing system of polyurethane | |
| CN105065913A (en) | Pipeline conveying experiment platform | |
| CN201065441Y (en) | Collocation structure of aluminum electrolysis fluorinated salt upper groove control system | |
| CN205553136U (en) | Plastics extruder's feeding device | |
| CN109178377B (en) | Automatic metering equipment for chemical liquid material feeding | |
| CN207096022U (en) | Underground water evaporation from phreatic water measuring system based on technology of Internet of things | |
| CN208129141U (en) | A kind of architecture greening equipment | |
| CN206986321U (en) | A kind of rinsing bowl make-up water supply control system | |
| CN209314724U (en) | Automatic feeding device is used in a kind of processing of vermicelli | |
| CN101629893A (en) | Ultraviolet (UV) aging test chamber | |
| CN202130754U (en) | Program control floating liquid receiving apparatus | |
| CN209212533U (en) | A kind of water injecting pump sled Long-Range Surveillance System | |
| CN108871527A (en) | A kind of accurate charging measuring equipment of feed mixing | |
| CN216275952U (en) | Water supply system for paving brick mixing | |
| CN205259347U (en) | Novel sewage drainage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220120 Address after: 063611 Daqing River, Tangshan City Port Development Zone, Hebei Patentee after: TANGSHAN HARBOUR XUNING CHEMICAL Co.,Ltd. Address before: 063605 Daqing River salt farm, Haigang Development Zone, Tangshan City, Hebei Province Patentee before: TANGSHAN SANYOU SALINIZATION CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063611 Daqing River, Tangshan City Port Development Zone, Hebei Patentee after: Tangshan Sanyou New Material Co.,Ltd. Address before: 063611 Daqing River, Tangshan City Port Development Zone, Hebei Patentee before: TANGSHAN HARBOUR XUNING CHEMICAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |