CN112610879A - Intelligent filling control system and method for liquid chlorine steel cylinder - Google Patents
Intelligent filling control system and method for liquid chlorine steel cylinder Download PDFInfo
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- CN112610879A CN112610879A CN202011530357.2A CN202011530357A CN112610879A CN 112610879 A CN112610879 A CN 112610879A CN 202011530357 A CN202011530357 A CN 202011530357A CN 112610879 A CN112610879 A CN 112610879A
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- filling
- steel cylinder
- liquid chlorine
- weighing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/002—Automated filling apparatus
- F17C5/005—Automated filling apparatus for gas bottles, such as on a continuous belt or on a merry-go-round
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
- F17C2250/032—Control means using computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
- F17C2250/036—Control means using alarms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0421—Mass or weight of the content of the vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0486—Indicating or measuring characterised by the location
- F17C2250/0491—Parameters measured at or inside the vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
- F17C2250/075—Action when predefined value is reached when full
Abstract
The invention relates to the technical field of a liquid chlorine steel cylinder filling control system, and discloses an intelligent liquid chlorine steel cylinder filling control system and method, which comprise a liquid chlorine steel cylinder, a steel cylinder scale, an operation box, a PLC (programmable logic controller) and an upper computer, wherein the liquid chlorine steel cylinder is used for containing liquid chlorine, the steel cylinder scale is used for weighing the liquid chlorine steel cylinder and transmitting weighing data to the operation box, the operation box is used for displaying weighing data and transmitting the weighing data to a control cabinet, the PLC is used for controlling the operation box and transmitting data with the upper computer, the upper computer is used for sending control instructions and calculation data, receiving the weighing data, the steel cylinder number and the tare weight value through the upper computer, sending a filling permission signal, a target filling value, a permission difference value and an advanced alarm value to the PLC according to the data, and the PLC automatically carries out the filling permission signal after receiving the filling permission signal, Filling and other operations, the automation degree is higher, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of liquid chlorine steel cylinder filling control systems, in particular to an intelligent liquid chlorine steel cylinder filling control system and method.
Background
Chlorine gas has wide application in the industries of chemical industry, petroleum, papermaking, printing and dyeing, leather making, rubber and the like, can be liquefied under certain pressure, and liquid chlorine is the main form of chlorine gas storage and transportation. Liquid chlorine has harmful factors such as easy corrosion, toxicity and the like and major potential safety hazards, so the liquid chlorine packaging is mainly filled in steel cylinders. However, in the filling of the liquid chlorine steel cylinder, the problems of large workload, low working efficiency and the like generally exist, and certain potential safety hazards also exist, so that how to improve the automation and informatization of liquid chlorine packaging is very important.
The Chinese patent publication number is: CN111207291A discloses an automatic filling device and method for liquid chlorine steel cylinder, compared with the prior art, the invention has the advantages that: the automatic filling device and the method for the liquid chlorine steel cylinder can automatically fill the liquid chlorine steel cylinder, and the filled liquid chlorine is good in quality, safe and convenient. However, the above patent still has problems of troublesome operation and low degree of automation.
Based on the above, we provide an intelligent filling control system and method for liquid chlorine steel cylinders, and hope to solve the defects in the prior art.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the intelligent filling control system and method for the liquid chlorine steel cylinder, and the intelligent filling control system and method have the advantages of easiness in operation, simplicity in filling and high automation degree.
(II) technical scheme
In order to realize the purposes of easy operation, simple filling and high automation degree, the invention provides the following technical scheme: an intelligent filling control system for a liquid chlorine steel cylinder comprises the liquid chlorine steel cylinder, a steel cylinder scale, an operation box, a PLC controller and an upper computer;
the liquid chlorine steel cylinder is used for containing liquid chlorine;
the steel bottle scale is used for weighing the liquid nitrogen steel bottle and transmitting weighing data to the operation box;
the operation box is used for displaying weighing data and transmitting the weighing data to the control cabinet;
the PLC is used for controlling the operation box and transmitting data to the upper computer;
and the upper computer is used for sending out a control instruction and calculating data.
As a preferable technical scheme of the invention, the operation box comprises a weighing instrument, a text display, a switch button and an alarm indicator lamp, wherein the weighing instrument is used for receiving weighing data of the steel cylinder scale, the text display is used for displaying the weighing data and inputting the steel cylinder number and the tare weight, the switch button is used for controlling the switch of the operation box, and the alarm indicator lamp is used for giving an alarm.
As a preferred technical scheme of the invention, the liquid chlorine steel cylinder comprises a filling ball valve and a status indicator lamp, wherein the filling ball valve is used for controlling filling of the liquid chlorine steel cylinder, and the status indicator lamp is used for displaying the filling status of the liquid chlorine steel cylinder.
As a preferred technical scheme of the invention, the system also comprises a database used for storing historical data in the upper computer.
An intelligent filling control method for a liquid chlorine steel cylinder is used for an intelligent filling control system for the liquid chlorine steel cylinder, and comprises the following steps:
s1: hoisting the liquid chlorine steel cylinder on a steel cylinder scale, weighing the liquid chlorine steel cylinder by the steel cylinder scale, and inputting the number and the tare weight value of the steel cylinder by a text display;
s2: the weighing instrument receives weighing data of the steel cylinder scale and transmits the weighing data to the PLC, and the PLC sends a filling request signal to the upper computer according to the weighing data;
s3: the upper computer makes a judgment according to the database, the weighing data, the steel bottle number and the tare weight value input by the text display, and sends a filling permission signal, a target filling value, a tolerance value and an early warning value to the PLC;
s4: the PLC receives the filling permission signal, firstly completes the peeling operation, and then controls the filling ball valve to be opened, so that the filling indicator lamp is normally on;
s5: when the filling weight is displayed as an early alarm value, the PLC controller sends a prompt, namely the filling process is about to finish, the filling ball valve loses power when the filling weight is displayed as a target filling value, the PLC controller sends a prompt, the filling indicator lamp flickers, and the alarm indicator lamp also flickers to prompt that the filling is stopped and finished;
s6: the PLC records weighing and filling data including current weight, accumulated bottle number and the like, and transmits the filling data to an upper computer.
S7: and (5) hoisting the liquid chlorine steel cylinder away from the steel cylinder scale, and finishing the skin cleaning operation on the weighing instrument.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent filling control system and method for a liquid chlorine steel cylinder, which have the following beneficial effects:
this liquid chlorine steel bottle intelligence fills dress control system and method, receive weighing data through the host computer, steel bottle number and tare weight value, and send the permission to fill the dress signal to the PLC controller according to these data, the target fills the dress value, allow the difference and alarm value in advance, the PLC controller receives to allow to fill the dress signal and peel automatically again, fill operations such as dress, degree of automation is higher, operate more simple and conveniently, the human cost has been practiced thrift greatly, and can fill a plurality of liquid chlorine steel bottles simultaneously, further improvement work efficiency.
Drawings
FIG. 1 is a schematic diagram of a system framework of the present invention;
FIG. 2 is a schematic flow chart of the method of the present invention;
fig. 3 is a flow chart of the review method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, an intelligent filling control system for a liquid chlorine steel cylinder comprises a liquid chlorine steel cylinder, a steel cylinder scale, an operation box, a PLC controller and an upper computer;
the liquid chlorine steel cylinder is used for containing liquid chlorine;
the steel bottle scale is used for weighing the liquid nitrogen steel bottle and transmitting weighing data to the operation box;
the operation box is used for displaying the weighing data and transmitting the weighing data to the control cabinet;
the PLC is used for controlling the operation box and transmitting data with the upper computer;
and the upper computer is used for sending out control instructions and calculating data.
In this embodiment, the main electrical components inside the control cabinet include: a Siemens S7-300(CPU315-2DP) CPU module, 2 PS307 power supply modules, 1 IM360 interface module, 2 IM361 interface modules, 10 SM321 signal input modules, 10 SM322 signal output modules and an isolation transformer.
In this embodiment, the control box includes weighing instrument, text display, shift knob and alarm indicator, and weighing instrument is used for receiving the weighing data of steel bottle balance, and the text display is used for showing weighing data and is used for inputing steel bottle number and tare value, and shift knob is used for controlling the switch of control box, and alarm indicator is used for sending an alarm.
In the embodiment, S7-300 is used as a DP master station and is communicated with 20 weighing meters, and the 20 weighing meters are used as DP slave stations; the weighing data of the steel cylinder scale are transmitted to the weighing instrument in real time, the weighing instrument is transmitted to the PLC controller, and the PLC controller peels or clears the weighing instrument according to the requirement of the filling flow; the host computer is steel bottle information management computer promptly, as the Modbus master station, communicates through Modbus and 20 text display, and steel bottle number or tare value can carry out artifical the input through text display, and the retransmission is to the host computer. When the PLC is used for filling, a filling request signal is sent to an upper computer, the upper computer judges whether filling is allowed, a target value, a difference value and the like are transmitted to the PLC according to the currently obtained data, after the PLC obtains the filling allowance and related data, a ball valve is filled according to flow control, state indication output and the like, after filling is completed, the PLC transmits filling process data to the upper computer, and the upper computer records, displays, stores and analyzes the related data and stores the related data into a database.
In this embodiment, the liquid chlorine steel bottle is including filling ball valve and status indicator lamp, fills the dress ball valve and is used for controlling filling of liquid chlorine steel bottle, and the status indicator lamp is used for showing filling state of liquid chlorine steel bottle.
In this embodiment, the system further includes a database for storing historical data in the upper computer.
In this embodiment, liquid chlorine steel bottle, steel bottle balance and control box all are provided with a plurality ofly, and a plurality of control boxes all with PLC controller electric connection.
An intelligent filling control method for a liquid chlorine steel cylinder is used for an intelligent filling control system for the liquid chlorine steel cylinder, and comprises the following steps as shown in fig. 2:
step 1: hoisting the liquid chlorine steel cylinder on a steel cylinder scale, weighing the liquid chlorine steel cylinder by the steel cylinder scale, and inputting the number and the tare weight value of the steel cylinder by a text display;
step 2: the weighing instrument receives weighing data of the steel cylinder scale and transmits the weighing data to the PLC, and the PLC sends a filling request signal to the upper computer according to the weighing data;
and step 3: the upper computer makes a judgment according to the database, the weighing data, the steel bottle number and the tare weight value input by the text display, and sends a filling permission signal, a target filling value, a tolerance value and an early warning value to the PLC;
and 4, step 4: the PLC receives the filling permission signal, firstly completes the peeling operation, and then controls the filling ball valve to be opened, so that the filling indicator lamp is normally on;
and 5: when the filling weight is displayed as an early alarm value, the PLC controller sends a prompt, namely the filling process is about to finish, the filling ball valve loses power when the filling weight is displayed as a target filling value, the PLC controller sends a prompt, the filling indicator lamp flickers, and the alarm indicator lamp also flickers to prompt that the filling is stopped and finished;
step 6: the PLC records weighing and filling data including current weight, accumulated bottle number and the like, and transmits the filling data to an upper computer.
And 7: and (5) hoisting the liquid chlorine steel cylinder away from the steel cylinder scale, and finishing the skin cleaning operation on the weighing instrument.
In this embodiment, as shown in fig. 3, the method further includes a review process, which specifically includes:
starting a rechecking, and sending a rechecking request to an upper computer; if the upper computer does not answer, waiting for answering or canceling the recheck; if the upper computer answers, rechecking is carried out; judging whether the re-inspection is qualified or not, if the re-inspection is qualified, outputting the qualified re-inspection, and delaying; if the recheck is not appropriate, delaying; judging the delay time, if the delay time is up, then recycling or ending; if the delay time is not reached, returning to the previous step.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a liquid chlorine steel bottle intelligence fills dress control system which characterized in that: comprises a liquid chlorine steel cylinder, a steel cylinder scale, an operation box, a PLC controller and an upper computer;
the liquid chlorine steel cylinder is used for containing liquid chlorine;
the steel bottle scale is used for weighing the liquid nitrogen steel bottle and transmitting weighing data to the operation box;
the operation box is used for displaying weighing data and transmitting the weighing data to the control cabinet;
the PLC is used for controlling the operation box and transmitting data to the upper computer;
and the upper computer is used for sending out a control instruction and calculating data.
2. The intelligent filling control system for the liquid chlorine steel cylinder according to claim 1, wherein: the operation box comprises a weighing instrument, a text display, a switch button and an alarm indicator lamp, wherein the weighing instrument is used for receiving weighing data of the steel bottle scale, the text display is used for displaying the weighing data and inputting the steel bottle number and the tare value, the switch button is used for controlling the switch of the operation box, and the alarm indicator lamp is used for giving an alarm.
3. The intelligent filling control system for the liquid chlorine steel cylinder according to claim 1, wherein: the liquid chlorine steel bottle is including filling ball valve and status indicator lamp, fill filling of ball valve is used for controlling the filling of liquid chlorine steel bottle, the status indicator lamp is used for showing filling the state of filling of liquid chlorine steel bottle.
4. The intelligent filling control system for the liquid chlorine steel cylinder according to claim 1, wherein: the system also comprises a database used for storing historical data in the upper computer.
5. The utility model provides a liquid chlorine steel bottle intelligence fills dress control method for a liquid chlorine steel bottle intelligence fills dress control system, its characterized in that: the method comprises the following steps:
s1: hoisting the liquid chlorine steel cylinder on a steel cylinder scale, weighing the liquid chlorine steel cylinder by the steel cylinder scale, and inputting the number and the tare weight value of the steel cylinder by a text display;
s2: the weighing instrument receives weighing data of the steel cylinder scale and transmits the weighing data to the PLC, and the PLC sends a filling request signal to the upper computer according to the weighing data;
s3: the upper computer makes a judgment according to the database, the weighing data, the steel bottle number and the tare weight value input by the text display, and sends a filling permission signal, a target filling value, a tolerance value and an early warning value to the PLC;
s4: the PLC receives the filling permission signal, firstly completes the peeling operation, and then controls the filling ball valve to be opened, so that the filling indicator lamp is normally on;
s5: when the filling weight is displayed as an early alarm value, the PLC controller sends a prompt, namely the filling process is about to finish, the filling ball valve loses power when the filling weight is displayed as a target filling value, the PLC controller sends a prompt, the filling indicator lamp flickers, and the alarm indicator lamp also flickers to prompt that the filling is stopped and finished;
s6: the PLC records weighing and filling data including current weight, accumulated bottle number and the like, and transmits the filling data to an upper computer.
S7: and (5) hoisting the liquid chlorine steel cylinder away from the steel cylinder scale, and finishing the skin cleaning operation on the weighing instrument.
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CN202011460030 | 2020-12-11 | ||
CN2020114600302 | 2020-12-11 |
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CN202011530357.2A Pending CN112610879A (en) | 2020-12-11 | 2020-12-22 | Intelligent filling control system and method for liquid chlorine steel cylinder |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114060713A (en) * | 2021-11-22 | 2022-02-18 | 何明铭 | Liquid oxygen filling system and filling method |
CN116772094A (en) * | 2023-06-28 | 2023-09-19 | 南京普计信息科技有限公司 | Automatic filling system of gas station |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101701664A (en) * | 2009-11-20 | 2010-05-05 | 天津渤天化工有限责任公司 | Liquid chlorine filling device |
CN202024078U (en) * | 2011-03-24 | 2011-11-02 | 成都化工股份有限公司 | Automatic liquid chlorine filling system |
CN206257444U (en) * | 2016-12-09 | 2017-06-16 | 郑州新益德机电设备有限公司 | Liquid chlorine automatic filling and steel cylinder intelligent management system |
CN208569323U (en) * | 2018-03-28 | 2019-03-01 | 荣盛达(无锡)能源有限公司 | Explosion-proof type LNG weighing automatic filling control system based on Internet of Things |
-
2020
- 2020-12-22 CN CN202011530357.2A patent/CN112610879A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101701664A (en) * | 2009-11-20 | 2010-05-05 | 天津渤天化工有限责任公司 | Liquid chlorine filling device |
CN202024078U (en) * | 2011-03-24 | 2011-11-02 | 成都化工股份有限公司 | Automatic liquid chlorine filling system |
CN206257444U (en) * | 2016-12-09 | 2017-06-16 | 郑州新益德机电设备有限公司 | Liquid chlorine automatic filling and steel cylinder intelligent management system |
CN208569323U (en) * | 2018-03-28 | 2019-03-01 | 荣盛达(无锡)能源有限公司 | Explosion-proof type LNG weighing automatic filling control system based on Internet of Things |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114060713A (en) * | 2021-11-22 | 2022-02-18 | 何明铭 | Liquid oxygen filling system and filling method |
CN114060713B (en) * | 2021-11-22 | 2023-02-21 | 沈阳洪生气体有限公司 | Liquid oxygen filling system and filling method |
CN116772094A (en) * | 2023-06-28 | 2023-09-19 | 南京普计信息科技有限公司 | Automatic filling system of gas station |
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