CN210979320U - Ultra-pure ammonia tank car fills dress device - Google Patents
Ultra-pure ammonia tank car fills dress device Download PDFInfo
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- CN210979320U CN210979320U CN201921083920.9U CN201921083920U CN210979320U CN 210979320 U CN210979320 U CN 210979320U CN 201921083920 U CN201921083920 U CN 201921083920U CN 210979320 U CN210979320 U CN 210979320U
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Abstract
The utility model relates to an ultrapure ammonia tank car fills dress device, including coming from rectifying column liquid ammonia pipeline, coming from product tank ammonia pipeline, arrange to waste ammonia tank liquid ammonia pipeline, arrange to condenser ammonia pipeline, nitrogen gas pipeline and filling dress operation platform for the pipeline replacement, be equipped with on the filling dress operation platform and fill the weighbridge that fills the dress filling riser and weigh the tank car, fill the dress filling riser including being used for respectively with tank car gas, the gas-liquid phase mouth is connected, come from rectifying column liquid ammonia pipeline, come from product tank liquid ammonia pipeline, arrange to waste ammonia tank liquid ammonia pipeline and connect the liquid phase through the control valve respectively and take over, waste liquid ammonia is discharged, product liquid ammonia is introduced, an ammonia pipeline from a product tank and an ammonia pipeline discharged to a condenser are respectively connected with a gas phase connecting pipe through a control valve, the ammonia in the waste gas is discharged, the ultra-pure ammonia is introduced, and the gas phase connecting pipe is also provided with a pressure sensor and a gas phase analysis connecting pipe. The device is favorable for safely, high-quality and efficiently filling the ultra-pure ammonia into the tank car, and the filling purity is improved.
Description
Technical Field
The utility model relates to a special industrial gas production and supply technical field, concretely relates to ultrapure ammonia tank wagon fills dress device.
Background
In recent years, with the gradual reduction of energy resources such as global petroleum and the like, environmental pollution, the influence of greenhouse effect on climate, the world vigorously develops clean energy and energy-saving technology, and focuses on low-carbon economy3) Transportation and gas supply, because the demand of gas supply is finally completed by the tank car for the electronic grade ultra-pure ammonia, the tank car filling technology is an important link for ensuring the supply quality of the ultra-pure ammonia.
Disclosure of Invention
An object of the utility model is to provide an ultrapure ammonia tank wagon fills dress device, the device do benefit to safe, high quality, fill the ultra-pure ammonia to the tank wagon high-efficiently, improve the purity that fills the dress.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides an ultrapure ammonia tank wagon fills device, includes from rectifying column liquid ammonia pipeline, comes from product jar ammonia pipeline, discharges to waste ammonia jar liquid ammonia pipeline, discharges to condenser ammonia pipeline, nitrogen gas pipeline for the pipeline replacement and fills dress operation platform, it is equipped with on the dress operation platform and fills the filling crane pipe and be used for weighing the weighbridge of tank wagon weight, it includes the gaseous phase takeover that is used for being connected with tank wagon gas port and is used for the liquid phase takeover that is connected with tank wagon liquid port to fill the filling crane pipe, come from rectifying column liquid ammonia pipeline, come from product jar liquid ammonia pipeline, discharge to waste ammonia jar liquid ammonia pipeline and connect the liquid phase takeover through the control valve respectively to discharge waste liquid ammonia, let in the product liquid ammonia, come from product jar ammonia pipeline, discharge condenser ammonia pipeline and connect the gaseous phase takeover through the control valve respectively to discharge waste gas ammonia, let in ultrapure ammonia, pipeline replacement connects gaseous phase takeover through the control valve respectively with the pipeline, The liquid phase connecting pipe and the ammonia gas pipeline which is discharged to the condenser are used for replacing air or ammonia gas in the gas phase connecting pipe and the liquid phase connecting pipe with nitrogen gas before the filling device is connected with the tank car or after the tank car is filled, and the air or ammonia gas is discharged to the waste ammonia condenser, and the gas phase connecting pipe is also provided with a pressure sensor and a gas phase analysis connecting pipe to carry out gas phase analysis on the gas in the collection pipe.
Further, the liquid ammonia pipeline from the rectifying tower and the liquid ammonia pipeline from the product tank are respectively provided with a manual valve, the liquid ammonia pipeline from the rectifying tower and the liquid ammonia pipeline from the product tank are connected together after the manual valve, and then are connected with a liquid phase connecting pipe through a pneumatic control valve A9, the liquid ammonia pipeline discharged to the waste ammonia tank is connected with the liquid phase connecting pipe through a pneumatic control valve A8, the ammonia pipeline from the product tank is connected with a gas phase connecting pipe through a pneumatic control valve A7, the ammonia pipeline discharged to the condenser is connected with the gas phase connecting pipe through a pneumatic control valve A6, the pipeline replacement nitrogen pipeline is provided with a pneumatic control valve A1 and is divided into three paths after the pneumatic control valve A1, the first pipeline is connected with the gas phase connecting pipe through a pneumatic control valve A2, the second pipeline is connected with the liquid phase connecting pipe through a pneumatic control valve A4, the third pipeline is communicated with the atmosphere through a pneumatic control valve A10, and a gas phase exhaust pipe is, the gas phase exhaust pipe is connected and discharged to the ammonia pipeline of the condenser through a pneumatic control valve A3, a liquid phase exhaust pipe is led out from the pipeline between the pneumatic control valve A4 and the liquid phase connecting pipe, and the liquid phase exhaust pipe is connected and discharged to the ammonia pipeline of the condenser through a pneumatic control valve A5.
Further, each pneumatic control valve and each pressure sensor are arranged in the valve group box.
The system further comprises a control device, the signal output ends of the pressure sensor and the wagon balance are respectively and electrically connected with the input end of the control device so as to transmit the acquired tank car pressure and tank car weight data to the control device, and the output end of the control device is respectively and electrically connected with the control signal input end of each control valve so as to control the work of each control valve.
Furthermore, the control device is arranged in the totally-enclosed explosion-proof control box to prevent external combustible gas from entering.
Further, include A, B two the same filling operation platforms, come from rectifying column liquid ammonia pipeline, come from product jar ammonia pipeline, arrange to waste ammonia jar liquid ammonia pipeline, arrange to condenser ammonia pipeline, pipeline replacement equally divide into two the tunnel with the nitrogen gas pipeline, respectively through corresponding control valve and connecting tube with A, B two fill tank wagon A, tank wagon B on the operation platform be connected to when tank wagon A is in the filling state, tank wagon B is in and fills the pretreatment state.
Compared with the prior art, the beneficial effects of the utility model are that: based on this fill dress device and carry out ultrapure ammonia to the tank wagon and fill dress, not only can guarantee the security of filling dress, through replacement processing and detection and analysis before filling, improved the purity of filling dress moreover. In addition, the filling device is easy to control, high in filling speed, and high in practicability and wide in application prospect.
Drawings
Fig. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a filling operation platform in an embodiment of the present invention.
Fig. 3 is a piping diagram of the apparatus according to the embodiment of the present invention.
Fig. 4 is a schematic layout diagram of the valve group box and the explosion-proof control box in the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The ultra-pure ammonia tank car utilizes the electric heater unit of tank car self-bring with liquid ammonia gasification in the user's use, through tank car gas port to user's pipeline air feed, because contain trace moisture in the ultra-pure ammonia product, the moisture boiling point is higher than ammonia, and the moisture can be concentrated in the tank car bottom in the gasification, when the moisture content that is concentrated exceedes the value that requires, and the tank car stops the air feed, and remaining liquid ammonia returns to and carries out the tank car filling behind the ultra-pure ammonia production plant recovery processing in the tank car again.
The utility model discloses an ultrapure ammonia tank car fills dress device, as shown in figure 1, 2, 3, including coming from rectifying column liquid ammonia pipeline 1, come from product jar liquid ammonia pipeline 2, come from product jar ammonia pipeline 3, discharge to useless ammonia jar liquid ammonia pipeline 4, discharge to condenser ammonia pipeline 5, nitrogen gas pipeline 6 and filling operation platform for the pipeline replacement, be equipped with on filling operation platform 7 and fill dress oil filling crane 71 and be used for weighing the weighbridge 8 of tank car weight, it includes the gaseous phase takeover that is used for being connected with the tank car gas port and is used for the liquid phase takeover that is connected with the tank car liquid port to fill the oil filling crane, come from rectifying column liquid ammonia pipeline, come from product jar liquid ammonia pipeline, discharge to useless ammonia jar liquid ammonia pipeline and connect the liquid phase takeover through the control valve respectively, in order to discharge useless liquid ammonia, let in the product liquid ammonia, come from product jar ammonia pipeline, discharge to condenser ammonia pipeline and connect the gaseous phase takeover through the control valve respectively, the method comprises the steps of discharging waste ammonia gas, introducing ultrapure ammonia gas, connecting a gas phase connecting pipe and a liquid phase connecting pipe through a control valve by a nitrogen pipeline for pipeline replacement, discharging the gas phase connecting pipe and the liquid phase connecting pipe to an ammonia pipeline of a condenser through a control valve, replacing air or ammonia gas in the gas phase connecting pipe and the liquid phase connecting pipe by nitrogen before or after a filling device is connected with a tank car, and discharging the air or ammonia gas to the waste ammonia condenser.
Because the tank wagon normally fills the time and fills processing time long than the tank wagon, therefore, the utility model discloses a A, B two the same filling operation platform, come from rectifying column liquid ammonia pipeline, come from product jar ammonia pipeline, arrange to waste ammonia jar liquid ammonia pipeline, arrange to condenser ammonia pipeline, the pipeline is equallyd divide for two the tunnel with the nitrogen gas pipeline, respectively fill tank wagon A (9A) on the operation platform through corresponding control flap and connecting tube and A, B two, tank wagon B (9B) are connected, in order to constitute A, B two sets of filling devices, when A device fills the work to tank wagon A, B device fills processing work to tank wagon B, thereby make A, B device simultaneous working, and influence each other, the utilization efficiency and the filling speed of device have been improved.
Further explanation is given by taking the device A as an example. A manual valve is respectively arranged on a liquid ammonia pipeline from a rectifying tower and a liquid ammonia pipeline from a product tank, the liquid ammonia pipeline from the rectifying tower and the liquid ammonia pipeline from the product tank are connected together after the manual valve, then the liquid ammonia pipeline is connected with a liquid phase connecting pipe through a pneumatic control valve A9, the liquid ammonia pipeline discharged to a waste ammonia tank is connected with the liquid phase connecting pipe through a pneumatic control valve A8, the ammonia pipeline from the product tank is connected with a gas phase connecting pipe through a pneumatic control valve A7, the ammonia pipeline discharged to a condenser is connected with the gas phase connecting pipe through a pneumatic control valve A6, the nitrogen pipeline for pipeline replacement is provided with a pneumatic control valve A1, three pipelines are divided after the pneumatic control valve A1, the first pipeline is connected with the gas phase connecting pipe through a pneumatic control valve A2, the second pipeline is connected with the liquid phase connecting pipe through a pneumatic control valve A4, the third pipeline is communicated with the atmosphere through a pneumatic control valve A10, a gas phase exhaust pipe is led out from the, a liquid phase exhaust pipe is led out from a pipeline between the pneumatic control valve A4 and the liquid phase connecting pipe, and the liquid phase exhaust pipe is connected and exhausted to an ammonia pipeline of the condenser through a pneumatic control valve A5.
In this embodiment, as shown in fig. 2, the filling operation platform 7 is provided with a 50 ton wagon balance 8 to prevent the tank car from being overfilled. The various pipes of the device from the outer pipe support 72 are connected to the tank car 9 via a filling crane pipe 71 on the filling platform 7. In order to facilitate the filling operation of the tank car, the filling operation platform is 1 meter higher than the ground (+ -0.000), and the filling pipeline, the valve and the control box are arranged on the filling operation platform.
In order to automatically control each control valve in the device, the device also comprises a control device, the signal output ends of the pressure sensor and the wagon balance are respectively and electrically connected with the input end of the control device so as to transmit the acquired tank wagon pressure and tank wagon weight data to the control device, and the output end of the control device is respectively and electrically connected with the control signal input end of each control valve so as to control each control valve to work.
FIG. 4 is a layout diagram of a valve group box and an explosion-proof control box in the embodiment, because an ultra-pure ammonia tank car is filled for outdoor operation, the filling device is provided with instruments such as a pneumatic control valve and a pressure sensor, and the whole filling device is arranged in the valve group box and a control device is arranged in the explosion-proof control box, the valve group box adopts a rolling door 10 so as to facilitate the maintenance and the overhaul of the device, the explosion-proof control box is fully closed so as to prevent external combustible gas from entering the control box, in the embodiment, the valve group boxes are divided into A, B, each structure size is 2280mm × 800mm × 1700mm (length × width × height), the explosion-proof control box is arranged between the two valve group boxes so as to facilitate the signal connection of the control valve and the sensor in the A, B valve group box with the control device, and the periphery of a panel of the explosion-proof control box is sealed with the box body by a bolt pressure sealing gasket so as to prevent the external combustible gas from entering.
The utility model discloses a super pure ammonia tank wagon fills dress working process that fills dress device does:
s1, preparation before filling:
1.1, placing the tank car on a wagon balance of a filling operation platform, and respectively connecting a gas phase port and a liquid phase port of the tank car with a gas phase connecting pipe and a liquid phase connecting pipe on a loading arm.
1.2 pneumatic control valve A10 is closed and pneumatic control valve A1 is open.
1.3 the pneumatic control valves A2 and A3 are alternately switched on and off, nitrogen is introduced into the gas phase connecting pipe through a nitrogen pipeline for pipeline replacement, air in the pipeline is discharged to the waste ammonia condenser through an ammonia pipeline which is discharged to the condenser, and the air in the gas phase connecting pipe is replaced completely by the nitrogen.
1.4 alternately switching on and off the pneumatic control valves A4 and A5, introducing nitrogen into the liquid phase connecting pipe through a nitrogen pipeline for pipeline replacement, and discharging air in the pipeline to the waste ammonia condenser through an ammonia pipeline which is discharged to the condenser so as to completely replace the air in the liquid phase connecting pipe with the nitrogen.
S2, recycling waste ammonia of tank cars:
and 2.1, detecting the pressure of the tank car, and if the pressure of the tank car is lower than a set value, starting a heating device carried by the tank car to increase the pressure of the tank car so that the pressure of the tank car is higher than the pressure of the waste ammonia storage tank.
2.2 the pneumatic control valve A8 is opened, and the waste ammonia in the tank car is discharged to the waste ammonia storage tank through the liquid ammonia pipeline which is discharged to the waste ammonia tank.
S3, tank car replacement processing:
3.1 the pneumatic control valve A6 is opened, the waste ammonia gas of the tank car is discharged to the waste ammonia condenser through the ammonia pipeline of the condenser, and the waste ammonia is liquefied and then sent to the waste ammonia storage tank.
3.2 the pneumatic control valves A7 and A6 are alternately switched, the ultrapure ammonia in the product tank is introduced into the tank car through an ammonia pipeline from the product tank, then the ammonia in the tank car is discharged to a waste ammonia condenser through an ammonia pipeline of the condenser, and the steps are repeated for a plurality of times to perform replacement treatment on the waste ammonia in the tank car.
3.3 opening an analysis valve AE on the gas phase analysis connecting pipe, collecting the ammonia gas after the replacement treatment by the gas phase analysis connecting pipe and sending the ammonia gas to a gas phase analyzer for gas phase analysis, and confirming that the replacement treatment of the tank car is finished after the impurity content is qualified.
S4, tank car filling:
4.1 tank car pressure is sensed and if the tank car pressure is above the tank car pressure threshold, pneumatic control valve A6 automatically opens causing the tank car pressure to drop.
4.2 setting a pressure threshold value and a wagon balance weighing threshold value of the tank wagon, wherein the liquid ammonia filling coefficient is 0.53 kg/L according to the national liquefied gas filling specification requirement, and the volume of the tank wagon is 22m in the embodiment3Then the maximum tank car charge is 11.66 tons, and therefore the wagon balance weighing threshold is set to 11.66 tons + empty tank car weight.
4.3 the product liquid ammonia has two sources, one is from the product storage tank, and the other is from the rectifying tower of the production equipment. Determining that the product is from the rectifying tower or the product storage tank, and opening a manual valve on a liquid ammonia pipeline from the rectifying tower or a liquid ammonia pipeline from the product storage tank.
4.4 the pneumatic control valve A9 is opened, and the product liquid ammonia of the rectifying tower or the product storage tank is introduced into the tank wagon. When the pressure of the tank car exceeds the pressure threshold value of the tank car, the pneumatic control valve A6 is automatically opened, and the ammonia gas in the tank car is discharged to the waste ammonia condenser through the ammonia gas pipeline of the condenser until the pressure of the tank car returns to the pressure threshold value of the tank car again.
4.5 when the weight of the tank car reaches the wagon balance weighing threshold value, the pneumatic control valve A9 is automatically closed, and the tank car filling is stopped.
S5, filling quality analysis:
and opening an analysis valve AE on the gas phase analysis connecting pipe, collecting ammonia gas filled in the tank car through the gas phase analysis connecting pipe, feeding the ammonia gas into a gas phase analyzer for gas phase analysis, and confirming that the tank car is filled after the impurity content is qualified.
S6, working after filling:
6.1 pneumatic control valve A10 was closed and pneumatic control valve A1 was opened.
6.2 the pneumatic control valves A2 and A3 are alternately opened and closed, nitrogen is led into the gas phase connecting pipe through a nitrogen pipeline for pipeline replacement, ammonia in the pipeline is discharged to the waste ammonia condenser through an ammonia pipeline which is discharged to the condenser, and the ammonia in the gas phase connecting pipe is replaced completely by the nitrogen.
6.3 the pneumatic control valves A4 and A5 are alternately opened and closed, nitrogen is led into the liquid phase connecting pipe through a nitrogen pipeline for pipeline replacement, ammonia in the pipeline is discharged to the waste ammonia condenser through an ammonia pipeline which is discharged to the condenser, and the ammonia in the liquid phase connecting pipe is replaced completely by nitrogen.
6.4 separating the tank car from the filling device.
Above is the utility model discloses a preferred embodiment, all rely on the utility model discloses the change that technical scheme made, produced functional action does not surpass the utility model discloses during technical scheme's scope, all belong to the utility model discloses a protection scope.
Claims (6)
1. The utility model provides an ultrapure ammonia tank wagon fills device which characterized in that, including come from rectifying column liquid ammonia pipeline, come from product jar ammonia pipeline, arrange to waste ammonia jar liquid ammonia pipeline, arrange to condenser ammonia pipeline, nitrogen gas pipeline for the pipeline replacement and fill dress operation platform, it is equipped with on the dress operation platform and fills the crane pipe and be used for weighing the weighbridge of tank wagon weight to fill the crane pipe including being used for the gaseous phase takeover of being connected with tank wagon gas port and being used for the liquid phase takeover of being connected with tank wagon liquid port, come from rectifying column liquid ammonia pipeline, come from product jar liquid ammonia pipeline, arrange to waste ammonia jar liquid ammonia pipeline and connect the liquid phase takeover through the control valve respectively to discharge waste liquid ammonia, let in product liquid ammonia, come from product jar ammonia pipeline, arrange to condenser ammonia pipeline and connect the gaseous phase takeover through the control valve respectively, in order to discharge waste gas ammonia, the method comprises the steps of introducing ultra-pure ammonia gas, connecting a gas phase connecting pipe, a liquid phase connecting pipe and discharging to a condenser ammonia gas pipeline through a control valve by a nitrogen pipeline for pipeline replacement respectively, replacing air or ammonia gas in the gas phase connecting pipe and the liquid phase connecting pipe by the nitrogen before connecting a filling device with a tank car or after filling the tank car, and discharging the air or ammonia gas to a waste ammonia condenser side by side, wherein a pressure sensor and a gas phase analysis connecting pipe are further arranged on the gas phase connecting pipe to carry out gas phase analysis on the gas in the collecting pipe.
2. The ultra-pure ammonia tank car filling device according to claim 1, wherein the liquid ammonia pipeline from the rectification tower and the liquid ammonia pipeline from the product tank are respectively provided with a manual valve, the liquid ammonia pipeline from the rectification tower and the liquid ammonia pipeline from the product tank are connected together after the manual valve and then connected with a liquid phase connection pipe through a pneumatic control valve A9, the liquid ammonia pipeline discharged to the waste ammonia tank is connected with the liquid phase connection pipe through a pneumatic control valve A8, the ammonia pipeline from the product tank is connected with a gas phase connection pipe through a pneumatic control valve A7, the ammonia pipeline discharged to the condenser is connected with the gas phase connection pipe through a pneumatic control valve A6, the nitrogen pipeline for pipeline replacement is provided with a pneumatic control valve A1 and is divided into three paths after a pneumatic control valve A1, the first pipeline is connected with the gas phase connection pipe through a pneumatic control valve A2, the second pipeline is connected with the liquid phase connection pipe through a pneumatic control valve A4, and the third pipeline is communicated with the atmosphere through, a gas phase exhaust pipe is led out from a pipeline between the pneumatic control valve A2 and the gas phase connecting pipe, the gas phase exhaust pipe is connected and exhausted to an ammonia pipeline of the condenser through a pneumatic control valve A3, a liquid phase exhaust pipe is led out from a pipeline between the pneumatic control valve A4 and the liquid phase connecting pipe, and the liquid phase exhaust pipe is connected and exhausted to the ammonia pipeline of the condenser through a pneumatic control valve A5.
3. The ultra-pure ammonia tank car filling apparatus of claim 2, wherein each pneumatic control valve and pressure sensor is located within a valve block tank.
4. The ultra-pure ammonia tank car filling device according to claim 1, further comprising a control device, wherein the signal output ends of the pressure sensor and the wagon balance are electrically connected with the input end of the control device respectively so as to transmit the collected tank car pressure and tank car weight data to the control device, and the output end of the control device is electrically connected with the control signal input end of each control valve respectively so as to control the operation of each control valve.
5. The ultra-pure ammonia tank car charging device according to claim 4, wherein the control device is arranged in a fully enclosed explosion-proof control box to prevent external combustible gas from entering.
6. The ultra-pure ammonia tank car filling device of claim 1, comprising A, B identical filling operation platforms, wherein the ammonia pipeline from the rectification column, the ammonia pipeline from the product tank, the ammonia pipeline from the waste ammonia tank, the ammonia pipeline from the condenser and the nitrogen pipeline for pipeline replacement are divided into two paths, and the two paths are respectively connected with the tank car A and the tank car B on A, B filling operation platforms through corresponding control valves and connecting pipelines, so that when the tank car A is in a filling state, the tank car B is in a pre-filling treatment state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083920.9U CN210979320U (en) | 2019-07-11 | 2019-07-11 | Ultra-pure ammonia tank car fills dress device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083920.9U CN210979320U (en) | 2019-07-11 | 2019-07-11 | Ultra-pure ammonia tank car fills dress device |
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| CN210979320U true CN210979320U (en) | 2020-07-10 |
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| CN201921083920.9U Active CN210979320U (en) | 2019-07-11 | 2019-07-11 | Ultra-pure ammonia tank car fills dress device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274151A (en) * | 2019-07-11 | 2019-09-24 | 福建久策气体集团有限公司 | A kind of ultra-pure ammonia tank car charging system and method |
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2019
- 2019-07-11 CN CN201921083920.9U patent/CN210979320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274151A (en) * | 2019-07-11 | 2019-09-24 | 福建久策气体集团有限公司 | A kind of ultra-pure ammonia tank car charging system and method |
| CN110274151B (en) * | 2019-07-11 | 2023-11-17 | 福建久策气体集团有限公司 | Ultra-pure ammonia tank car filling system and method |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350109 Yu Yu 86, Yutian village, Nan Yu Town, Minhou County, Fuzhou, Fujian Patentee after: Fujian jiuce Gas Co., Ltd Address before: 350109 Yu Yu 86, Yutian village, Nan Yu Town, Minhou County, Fuzhou, Fujian Patentee before: FUJIAN JIUCE GAS GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |