CN214948183U - Intelligent unit high-pressure gas steel cylinder fills dress system - Google Patents
Intelligent unit high-pressure gas steel cylinder fills dress system Download PDFInfo
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- CN214948183U CN214948183U CN202120290217.6U CN202120290217U CN214948183U CN 214948183 U CN214948183 U CN 214948183U CN 202120290217 U CN202120290217 U CN 202120290217U CN 214948183 U CN214948183 U CN 214948183U
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Abstract
The invention relates to an intelligent unit high-pressure gas steel cylinder filling system which comprises a low-temperature storage tank, a low-temperature filling pump, an air-temperature type vaporizer, an intelligent unit filling control cabinet and a basket type filling platform, wherein an air outlet of the low-temperature storage tank is connected with the low-temperature filling pump through a pipeline, the low-temperature filling pump is connected with the air-temperature type vaporizer through a pipeline, the air-temperature type vaporizer is connected with the intelligent unit filling control cabinet through a pipeline, and an output pipeline of the intelligent unit filling control cabinet is connected with a steel cylinder on the basket type filling platform. The intelligent unit high-pressure gas steel cylinder filling system realizes intelligent control of a steel cylinder filling process, and can automatically complete the steel cylinder filling process only by setting the steel cylinder filling pressure and pressing a filling switch; after the steel cylinder is filled, the pressure in the cylinder is the same, the filling quality is ensured, and the requirements of modern factories can be met.
Description
Technical Field
The utility model relates to a high-pressure steel bottle fills dress technical field, concretely relates to intelligent cell high-pressure gas steel bottle fills dress system.
Background
When the high-pressure gas steel cylinder is filled, low-temperature liquid gas in the low-temperature storage tank needs to be pressurized by the low-temperature booster pump, is vaporized into gas by the air-temperature vaporizer, and is filled into the steel cylinder after being controlled by the busbar with the valve bank. Along with the development of scientific technology, the requirements on the automation degree and the safety of a factory are higher and higher, but the traditional high-pressure gas steel cylinder filling system is manually controlled and cannot be automatically controlled, the pressure difference in a cylinder after the steel cylinder filling is finished is very large, the requirements of a modern factory cannot be met, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem to exist among the prior art, an intelligent cell high-pressure gas steel bottle fills dress system.
The utility model discloses a realize through following technical scheme:
the utility model provides an intelligent unit high-pressure gas steel bottle fills dress system, includes that cryogenic storage tank, low temperature fill the dress pump, empty temperature formula vaporizer, intelligent unit fill dress switch board, basket formula fill the dress platform, the gas outlet of cryogenic storage tank is passed through the pipeline and is filled the dress pump with low temperature and is connected, the low temperature fills the dress pump and passes through the pipeline and link to each other with empty temperature formula vaporizer, empty temperature formula vaporizer passes through the pipeline and fills the dress switch board with intelligent unit and link to each other, the output pipeline that intelligent unit filled the switch board links to each other with basket formula fills the steel bottle on the dress platform.
Furthermore, the intelligent unit filling control cabinet comprises a control cabinet body, wherein an air inlet pipeline is arranged in the control cabinet body, the air inlet pipeline is connected with an air inlet of an air inlet automatic valve, an air outlet of the air inlet automatic valve is connected with an air inlet of an output automatic valve through a pipeline, an air outlet of the output automatic valve is connected with an output pipeline, and the output pipeline is connected with an external high-pressure bottle filling busbar; the gas outlet of the output automatic valve is connected with the gas outlet of the automatic safety bleeding valve through a pipeline, the gas inlet of the automatic safety bleeding valve is connected with a bleeding pipeline, and the bleeding pipeline is connected with an external total bleeding pipeline;
the gas outlet of the output automatic valve is also connected with the gas outlet of the vacuum automatic valve through a pipeline, the gas inlet of the vacuum automatic valve is connected with a vacuumizing pipeline, the first bleeding pipeline and the vacuumizing pipeline are connected with a main bleeding pipeline, a vacuum pump protection valve is arranged on the vacuumizing pipeline, and the vacuum pump protection valve is connected with a vacuum pump through a high-pressure metal hose;
the automatic air inlet valve, the automatic output valve, the automatic vacuum valve and the automatic safety relief valve are controlled by the power air source part and are controlled to be opened and closed by the electromagnetic valve;
the gas outlet of the automatic gas inlet valve is also connected with a safety valve gas inlet through a pipeline, and the gas outlet of the safety valve is connected with the main diffusion pipeline through a second diffusion pipeline.
Furthermore, the air inlet pipeline and the output pipeline are connected with pressure transmitters.
Furthermore, the intelligent high-pressure gas cylinder filling control cabinet further comprises a temperature detector, and a probe of the temperature detector is tightly attached to the filling steel cylinder.
Furthermore, one side that intelligence high-pressure gas cylinder filled the dress switch board is equipped with the electrical apparatus PLC switch board, be equipped with the PLC controller in the electrical apparatus PLC switch board, the input of PLC controller links to each other with human-computer interaction interface's output, human-computer interaction interface's input with be connected through the wire and power electricity, the output of PLC controller passes through the wire and fills dress pump, solenoid valve, temperature detection instrument, pressure transmitter and vacuum pump electricity and be connected with low temperature.
Furthermore, the flower basket type filling platform comprises an outer frame, a busbar mounting rack is fixedly and fixedly arranged and connected in the top of the outer frame, a busbar is mounted on the busbar mounting rack, a high-pressure hose is connected to a valve of the busbar, a first cylinder mounting base and a second cylinder mounting base are fixedly connected to the top of the outer frame, a first cylinder is mounted on the first cylinder mounting base, a piston rod of the first cylinder is connected with a filling protective cover, the filling protective cover is positioned in the middle of the outer frame and the busbar mounting rack, a piston rod of the second cylinder is connected with a hose lifting rack, the hose lifting rack is positioned in the busbar mounting rack and above the busbar, a through hole is formed in the hose lifting rack and hinged with a sleeve pipe, the high-pressure hose bypasses the hose lifting rack to pass through the through hole, and the sleeve pipe is connected with a steel cylinder to be filled, the high-pressure hose is fixedly connected with the sleeve.
Furthermore, an opening is formed in one side of the bottom frame of the external frame, a steel cylinder assembly lattice is placed in the bottom frame, a steel cylinder is placed in the steel cylinder assembly lattice, and the high-pressure hose penetrates through the sleeve to be connected with an inlet valve on the steel cylinder.
Furthermore, an operating platform is arranged around the flower basket type filling platform.
Further, the busbar comprises a high-pressure gas inlet pipe and each grading branch pipe, the high-pressure gas inlet pipe is connected with the first branch pipe, the grading branch pipes are sequentially connected, a valve is connected to the last grading branch pipe, a high-pressure gas inlet is formed in the high-pressure gas inlet pipe, and the distances from the high-pressure gas inlet to the valves are equal; the high-pressure gas inlet is connected with a gas source, and the valve is connected with the steel cylinder through a hose.
The utility model has the advantages that: the intelligent unit high-pressure gas steel cylinder filling system realizes intelligent control of a steel cylinder filling process, and can automatically complete the steel cylinder filling process only by setting the steel cylinder filling pressure and pressing a filling switch; and has an overtemperature protection and integrated vacuumizing system; the pressure in the cylinder is the same after the steel cylinder is filled, the filling quality is ensured, the requirement of a modern factory can be met, in addition, the personnel intervention is not needed in the use process, the working strength of related workers is reduced, and meanwhile, the safety of the operators is also greatly guaranteed.
Drawings
Fig. 1 is a system configuration diagram of the present invention;
fig. 2 is a schematic diagram of the rear side structure of the intelligent unit charging control cabinet of the present invention;
fig. 3 is a schematic view of the front side structure of the intelligent unit charging control cabinet of the present invention;
fig. 4 is a schematic structural view of a part a of the intelligent unit charging control cabinet of the present invention;
fig. 5 is a schematic structural view of a part B of the intelligent unit charging control cabinet of the present invention;
FIG. 6 is a schematic diagram of an intelligent cell charging control cabinet;
fig. 7 is a schematic structural view of the flower basket type filling table of the present invention;
fig. 8 is a schematic structural view of a part C of the flower basket type filling table of the present invention;
fig. 9 is a schematic view of the bus bar structure of the present invention;
shown in the figure:
1. a low-temperature storage tank, 2, a low-temperature filling pump, 3, an air-temperature vaporizer, 4, an intelligent unit filling control cabinet, 5, a basket type filling platform, 6, a steel cylinder, 7, an operation platform, 8, a control cabinet body, 9, an air inlet pipeline, 10, an air inlet automatic valve, 11, an output automatic valve, 12, an output pipeline, 13, an automatic safety relief valve, 14, a first relief pipeline, 15, a total relief pipeline, 16, a vacuum automatic valve, 17, a vacuumizing pipeline, 18, a safety valve, 19, a second relief pipeline, 20, a power air source part, 21, an electromagnetic valve, 22, a pressure transmitter, 23, a temperature detector, 24, an electrical appliance PLC control cabinet, 25, a vacuum pump, 26, a vacuum pump protection valve, 27, an external frame, 28, a busbar, 29, a busbar, a mounting rack 30, a first air cylinder, 31, a filling protection cover, 32, a second air cylinder, 33, a hose lifting rack, 34. sleeve 35, cylinder centralizing grid 36, high-pressure gas inlet pipe 37, grading branch pipe 38 and valve.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1, an intelligent unit high-pressure gas steel cylinder filling system is provided, and includes a low-temperature storage tank 1, a low-temperature filling pump 2, an air-temperature vaporizer 3, an intelligent unit filling control cabinet 4, and a basket type filling table 5, wherein an air outlet of the low-temperature storage tank 1 is connected to the low-temperature filling pump 2 through a pipeline, the low-temperature filling pump 2 is connected to the air-temperature vaporizer 3 through a pipeline, the air-temperature vaporizer 3 is connected to the intelligent unit filling control cabinet 4 through a pipeline, and an output pipeline 12 of the intelligent unit filling control cabinet 4 is connected to a steel cylinder 6 on the basket type filling table 5.
After the liquid gas in the low-temperature storage tank 1 is pressurized by the low-temperature charging pump 2, the liquid gas enters the air-temperature vaporizer 3 and is heated by the heat of air to be vaporized into high-pressure gaseous gas, and the high-pressure gaseous gas enters the intelligent unit charging control cabinet 4, enters the bus bar 29 on the basket type charging platform 5 and enters the steel cylinder 6 to realize the charging of the steel cylinder 6.
Referring to fig. 2-5, the intelligent unit charging control cabinet 4 comprises a control cabinet box 8, an air inlet pipeline 9 is arranged in the control cabinet box 8, the air inlet pipeline 9 is connected with an air inlet of an air inlet automatic valve 10, an air outlet of the air inlet automatic valve 10 is connected with an air inlet of an output automatic valve 11 through a pipeline, an air outlet of the output automatic valve 11 is connected with an output pipeline 12, and the output pipeline 12 is connected with an external high-pressure bottle charging busbar 29; an air outlet of the output automatic valve 11 is connected with an air outlet of an automatic safety relief valve 13 through a pipeline, an air inlet of the automatic safety relief valve 13 is connected with a first relief pipeline 14, and the first relief pipeline 14 is connected with an external main relief pipeline 15;
the gas outlet of output automatic valve 11 passes through the pipeline and still links to each other with the gas outlet of vacuum automatic valve 16, the air inlet of vacuum automatic valve 16 links to each other with evacuation pipeline 17, first pipeline 14 and the evacuation pipeline 17 of loosing link to each other with total pipeline 15 of loosing, be equipped with vacuum pump protection valve 26 on the evacuation pipeline 17, vacuum pump protection valve 26 passes through high-pressure metal collapsible tube and links to each other with vacuum pump 25, and the user can select whether to carry out evacuation processing before filling high-pressure steel bottle 6 according to the demand by oneself.
The automatic air inlet valve 10, the automatic output valve 11, the automatic vacuum valve 16 and the automatic safety relief valve 13 are controlled by a power air source part 20 and are controlled to be opened, closed and opened by an electromagnetic valve 21; the air outlet of the air inlet automatic valve 10 is also connected with an air inlet of a safety valve 18 through a pipeline, and the air outlet of the safety valve 18 is connected with a main diffusion pipeline 15 through a second diffusion pipeline 19.
The intelligent unit filling control cabinet 4 further comprises a temperature detector 23, and a probe of the temperature detector 23 is tightly attached to the filling steel cylinder 6. When the temperature is higher than the alarm value, the air inlet pipeline 9 and the output pipeline 12 are automatically closed, the automatic safety relief valve 13 is opened, and the automatic safety relief valve is automatically closed after partial gas is discharged, so that the safety of equipment and personnel is ensured.
One side that intelligent unit fills dress switch board 4 is equipped with electrical apparatus PLC switch board 24, be equipped with the PLC controller in the electrical apparatus PLC switch board 24, the input of PLC controller links to each other with human-computer interaction interface's output, human-computer interaction interface's input with be connected through the wire and power electricity, the output of PLC controller is connected through the wire and low temperature fills dress pump 2, solenoid valve 21, temperature detection instrument 23, pressure transmitter 22 and vacuum pump 25 electricity. In the filling process, the temperature detector 23 transmits a temperature signal to the PLC at any time, and the control program adjusts the filling pressure according to the temperature signal. The PLC controller can also automatically determine the starting and stopping of the low-temperature filling pump 2 according to the filling requirement.
Referring to fig. 6, an air inlet pipe 9 of the intelligent unit charging control cabinet 4 is connected with an air source externally output from the air temperature type vaporizer 3, an output pipe 12 is connected with a bus bar 29 on the flower basket type charging table 5, a steel cylinder 6 is connected on the bus bar 29, high-pressure gas enters the intelligent unit charging control cabinet 4 from the air inlet pipe 9, and then is output from the output pipe 12, and the high-pressure gas enters the steel cylinder 6. After the filling is completed, after the cylinder valve on the high-pressure steel cylinder 6 is closed, the residual gas in the filling busbar 29 is diffused through the automatic safety diffusion valve 13 to be discharged, and then the steel cylinder 6 is taken down to complete the filling.
Referring to fig. 7-8, the basket type filling table 5 includes an outer frame 27, a busbar mounting bracket 28 is fixedly mounted and connected in the top of the outer frame 27, a busbar 29 is mounted on the busbar mounting bracket 28, a high-pressure hose is connected to a valve 38 of the busbar 29, a first cylinder 30 mounting base and a second cylinder 32 mounting base are further fixedly connected to the top of the outer frame 27, a first cylinder 30 is mounted on the first cylinder 30 mounting base, a piston rod of the first cylinder 30 is connected to a filling protective cover 31, the filling protective cover 31 is located between the outer frame 27 and the busbar mounting bracket 28, a piston rod of the second cylinder 32 is connected to a hose lifting bracket 33, the hose lifting bracket 33 is located inside the busbar mounting bracket 28, above the busbar 29, and a through hole is provided on the hose lifting bracket 33, and is hinged with a sleeve 34, the high-pressure hose bypasses the hose lifting frame 33 and passes through the through hole, the sleeve 34 is connected with the steel cylinder 6 to be filled, and the high-pressure hose is fixedly connected with the sleeve 34.
The bottom frame of the external frame 27 is provided with an opening at one side, the steel cylinder assembly grids 35 are placed in the bottom frame, the steel cylinders 6 are placed in the steel cylinder assembly grids 35, and the centralized transportation and management of the steel cylinders 6 are facilitated.
When the steel cylinder assembly lattice 35 is not pushed into the station state, the second cylinder 32 drives the hose lifting frame 33 and the high-pressure hose to be in the upper position, so that the steel cylinder assembly lattice 35 is conveniently pushed in; after the steel cylinder assembly lattice 35 is pushed into a station state, the second air cylinder 32 drives the hose lifting frame 33 and the high-pressure hose to fall down, so that the high-pressure hose is conveniently connected with the steel cylinder 6 in the steel cylinder assembly lattice 35; in the process of filling the steel cylinder 6, the first cylinder 30 drives the filling protective cover 31 to fall down, so that the surrounding environment and operators are protected; after the filling is completed, the first cylinder 30 drives the filling protective cover 31 to recover to the original position, the operator closes the valve 38 of the steel cylinder 6, the high-pressure hose is separated from the steel cylinder 6, and the second cylinder 32 drives the hose lifting frame 338 and the high-pressure hose to recover to the original position.
And an operation platform 7 is arranged around the flower basket type filling platform 5, so that the operation comfort of an operator is improved.
Referring to fig. 9, the bus bar 29 includes a high-pressure gas inlet pipe 36 and each of the classifying branch pipes 37, the high-pressure gas inlet pipe 36 is connected to the first branch pipe, the classifying branch pipes 37 are connected in sequence, the last classifying branch pipe 37 is connected to a valve 38, the high-pressure gas inlet pipe 36 is provided with a gas inlet, and the gas inlet is spaced from the valve 38. The mixed gas charging busbar 29 is of a balanced construction overall. The high-pressure gas inlet pipe 36 is provided with a high-pressure gas inlet which is connected with a gas source, and the valve 38 is connected with the steel cylinder 6 through a hose.
The various high-pressure gases to be filled into the steel cylinder 6 enter the bus bar 29 from the high-pressure gas inlets, and the distances from the high-pressure gas inlets to the valves 38 are equal, so that when different types of mixed gases are filled and switched, the residual gases in the bus bar 29 enter the steel cylinder 6 in equal quantity, and the filling quality of the mixed gases is ensured.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an intelligent cell high-pressure gas steel bottle fills dress system which characterized in that: the filling device comprises a low-temperature storage tank (1), a low-temperature filling pump (2), an air-temperature type vaporizer (3), an intelligent unit filling control cabinet (4) and a basket type filling platform (5), wherein an air outlet of the low-temperature storage tank (1) is connected with the low-temperature filling pump (2) through a pipeline, the low-temperature filling pump (2) is connected with the air-temperature type vaporizer (3) through a pipeline, the air-temperature type vaporizer (3) is connected with the intelligent unit filling control cabinet (4) through a pipeline, and an output pipeline (12) of the intelligent unit filling control cabinet (4) is connected with a steel cylinder (6) on the basket type filling platform (5).
2. The intelligent cell high pressure gas cylinder charging system of claim 1, wherein: the intelligent unit filling control cabinet (4) comprises a control cabinet box body (8), an air inlet pipeline (9) is arranged in the control cabinet box body (8), the air inlet pipeline (9) is connected with an air inlet of an air inlet automatic valve (10), an air outlet of the air inlet automatic valve (10) is connected with an air inlet of an output automatic valve (11) through a pipeline, an air outlet of the output automatic valve (11) is connected with an output pipeline (12), and the output pipeline (12) is connected with an external high-pressure bottle filling busbar (29); an air outlet of the output automatic valve (11) is connected with an air outlet of an automatic safety relief valve (13) through a pipeline, an air inlet of the automatic safety relief valve (13) is connected with a first relief pipeline (14), and the first relief pipeline (14) is connected with an external main relief pipeline (15);
the gas outlet of the output automatic valve (11) is also connected with the gas outlet of the vacuum automatic valve (16) through a pipeline, the gas inlet of the vacuum automatic valve (16) is connected with a vacuumizing pipeline (17), the first diffusing pipeline (14) and the vacuumizing pipeline (17) are connected with a main diffusing pipeline (15), a vacuum pump protection valve (26) is arranged on the vacuumizing pipeline (17), and the vacuum pump protection valve (26) is connected with a vacuum pump (25) through a high-pressure metal hose;
the air outlet of the air inlet automatic valve (10) is also connected with an air inlet of a safety valve (18) through a pipeline, and the air outlet of the safety valve (18) is connected with a main diffusing pipeline (15) through a second diffusing pipeline (19).
3. The intelligent cell high pressure gas cylinder filling system of claim 2, wherein: the automatic air inlet valve (10), the automatic output valve (11), the automatic vacuum valve (16) and the automatic safety relief valve (13) are controlled by a power air source part (20) and are controlled to be opened, closed and opened by an electromagnetic valve (21).
4. The intelligent cell high pressure gas cylinder filling system of claim 2, wherein: and the air inlet pipeline (9) and the output pipeline (12) are connected with a pressure transmitter (22).
5. The intelligent cell high pressure gas cylinder filling system of claim 2, wherein: the intelligent unit filling control cabinet (4) further comprises a temperature detector (23), and a probe of the temperature detector (23) is tightly attached to the filling steel cylinder (6).
6. The intelligent unit high pressure gas cylinder filling system according to any one of claims 1-5, wherein: one side that intelligent unit fills dress switch board (4) is equipped with electrical apparatus PLC switch board (24), be equipped with the PLC controller in electrical apparatus PLC switch board (24), the input of PLC controller links to each other with human-computer interaction interface's output, human-computer interaction interface's input is connected with the power electricity through the wire, the output of PLC controller passes through the wire and fills dress pump (2), solenoid valve (21), temperature detection instrument (23), pressure transmitter (22) and vacuum pump (25) electricity and be connected with the low temperature.
7. The intelligent cell high pressure gas cylinder charging system of claim 1, wherein: the flower basket type filling platform (5) comprises an outer frame (27), wherein a busbar mounting frame (28) is fixedly and fixedly connected with the top of the outer frame (27), a busbar (29) is installed on the busbar mounting frame (28), a high-pressure hose is connected to a valve (38) of the busbar (29), a first cylinder mounting base and a second cylinder mounting base are fixedly connected to the top of the outer frame (27), a first cylinder (30) is installed on the first cylinder mounting base, a piston rod of the first cylinder (30) is connected with a filling protective cover (31), the filling protective cover (31) is located between the outer frame (27) and the busbar mounting frame (28), a piston rod of the second cylinder (32) is connected with a hose lifting frame (33), and the hose lifting frame (33) is located inside the busbar mounting frame (28), the top of busbar (29), be equipped with the through-hole on hose crane (33) to it has sleeve pipe (34) to articulate, high pressure hose walks around hose crane (33) and passes the through-hole, and sleeve pipe (34) are connected with the steel bottle (6) of waiting to fill, high pressure hose and sleeve pipe (34) fixed connection.
8. The intelligent cell high pressure gas cylinder filling system of claim 7, wherein: an opening is formed in one side of the bottom frame of the outer frame (27), a steel cylinder assembly lattice (35) is placed in the bottom frame, a steel cylinder (6) is placed in the steel cylinder assembly lattice (35), and the high-pressure hose penetrates through a sleeve (34) to be connected with an inlet valve (38) on the steel cylinder (6).
9. The intelligent cell high pressure gas cylinder filling system of claim 7, wherein: and an operation platform (7) is arranged around the flower basket type filling platform (5).
10. The intelligent cell high pressure gas cylinder filling system of claim 7, wherein: the bus bar (29) comprises a high-pressure gas inlet pipe (36) and each grading branch pipe (37), the high-pressure gas inlet pipe (36) is connected with the first branch pipe, the grading branch pipes (37) are sequentially connected, finally, the grading branch pipes (37) are connected with valves (38), a high-pressure gas inlet is formed in the high-pressure gas inlet pipe (36), and the distances from the high-pressure gas inlet to the valves (38) are equal; the high-pressure gas inlet is connected with a gas source, and the valve (38) is connected with the steel cylinder (6) through a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120290217.6U CN214948183U (en) | 2021-02-02 | 2021-02-02 | Intelligent unit high-pressure gas steel cylinder fills dress system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120290217.6U CN214948183U (en) | 2021-02-02 | 2021-02-02 | Intelligent unit high-pressure gas steel cylinder fills dress system |
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| Publication Number | Publication Date |
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| CN214948183U true CN214948183U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120290217.6U Active CN214948183U (en) | 2021-02-02 | 2021-02-02 | Intelligent unit high-pressure gas steel cylinder fills dress system |
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| CN (1) | CN214948183U (en) |
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2021
- 2021-02-02 CN CN202120290217.6U patent/CN214948183U/en active Active
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Denomination of utility model: An intelligent unit high pressure gas cylinder filling system Effective date of registration: 20220324 Granted publication date: 20211130 Pledgee: China Postal Savings Bank Co.,Ltd. Shanghe County sub branch Pledgor: JINAN HUAXIN AUTOMATION ENGINEERING Co.,Ltd. Registration number: Y2022980003064 |