CN108870068A - Cylinder filling system and method - Google Patents
Cylinder filling system and method Download PDFInfo
- Publication number
- CN108870068A CN108870068A CN201810780538.7A CN201810780538A CN108870068A CN 108870068 A CN108870068 A CN 108870068A CN 201810780538 A CN201810780538 A CN 201810780538A CN 108870068 A CN108870068 A CN 108870068A
- Authority
- CN
- China
- Prior art keywords
- filling
- gas cylinder
- information
- fills
- cylinder
- 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.)
- Pending
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Classifications
-
- 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
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/046—Methods for emptying or filling by even emptying or filling
Abstract
The present invention provides cylinder filling system and method, it is related to filling gas cylinder technical field, including：Electronic tag, reader, controller and filling equipment；Gas cylinder be placed in fill claim chassis in the case where, be set to fill claim chassis surface reader to the unique electronic tag of gas cylinder carry out continue reading, obtain gas cylinder information；Judge whether gas cylinder information is qualified by controller, and in underproof situation, according to gas cylinder information generate prompt messages and, in the case where qualification, first is generated according to gas cylinder information and fills command information, and is filled command information for first and be sent to filling equipment；Filling equipment fills command information to cylinder filling gas according to first, and obtains filling record information.The present invention can simplify the operation that fills of gas cylinder, and raising fills efficiency and safety, avoids the violation operation in filling.
Description
Technical field
The present invention relates to gas cylinder technical field is filled, more particularly, to cylinder filling system and method.
Background technique
Whether gas cylinder is difficult to judge whether gas cylinder is qualified, fill enough when filling.As supervision department, can not prevent
Illegal gas cylinder is filled in market circulation, and supervision pressure is larger.Moreover, in the validity for filling link and being difficult to fast verification gas cylinder,
For example because gas cylinder exceeds the time limit, phenomena such as slight crack occurs in gas cylinder.It is canned to check gas cylinder according to specification, but reality is, fills
Dress station is general busier, fills work and is difficult to check the validity of gas cylinder one by one, therefore a lot of storage tank explosions occur in fueling station
Malignant event.Even there is also following phenomenons：Gas cylinder unqualified for part exists and fills work " human feelings gas ", for knowing perfectly well
Unqualified gas cylinder, which is returned, to be filled；In addition, need by hand filling link by aerating key, it is comparatively laborious；Exist when filling and lacks jin
The phenomenon that lacking two, leading consumer into a trap.
To the above problem, Some Enterprises are in such a way that hand-held set scans label aerating, but this mode still remains
Interference of the human factor to cylinder filling, it is possible to the case where scanning A label fills B gas cylinder occur, can not ensure that gas cylinder fills
The safety of dress.
Summary of the invention
In view of this, the purpose of the present invention is to provide cylinder filling system and method, operation is filled with simplify gas cylinder,
Raising fills efficiency and safety, avoids the violation operation in filling.
In a first aspect, the embodiment of the invention provides a kind of cylinder filling systems, wherein including：Electronic tag, read-write
Device, controller and filling equipment；
The electronic tag is fixedly installed in gas cylinder bottom, and every gas cylinder is correspondingly arranged on the electronics mark
Label, the reader be arranged in fill claim chassis surface, the controller respectively with the reader and the filling equipment
It is connected.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein also
Including filling the title that fills for claiming chassis to be connected with described, the title that fills also is connected with the controller.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
Stating filling equipment includes the solenoid valve being connected with the controller, and the aeration speed detection dress being connected with the solenoid valve
It sets.
Second aspect, the embodiment of the present invention also provide a kind of cylinder filling method, wherein including：
In the case where gas cylinder is placed in and fills on title chassis, it is set to described fill and claims the reader of chassis surface to institute
The electronic tag for stating gas cylinder carries out continuing reading, obtains gas cylinder information；
Judge whether the gas cylinder information is qualified by controller；
If unqualified, prompt messages are generated according to the gas cylinder information；
If qualified, first is generated according to the gas cylinder information and fills command information, and fills instruction for described first
Information is sent to filling equipment；
The filling equipment fills command information to the cylinder filling gas according to described first, and obtains filling record
Information.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein institute
The method of stating further includes：
The reader carries out the electronic tag to continue reading, obtains and reads result；
The controller judges whether the reading result is not find label；
If it is, generating valve out code information.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein institute
The method of stating further includes：
During the filling equipment is to the cylinder filling gas, fills title and weigh to the gas cylinder, obtain
Weight information is taken, and the weight information is sent to the controller.
In conjunction with second aspect, the embodiment of the invention provides the third possible embodiments of second aspect, wherein institute
The method of stating further includes：
The controller according to weight information, sense weight situation of change, and the feelings of variation abnormality occur in weight information
Under condition, stopping fills behavior.
The embodiment of the present invention brings following beneficial effect：Cylinder filling system and method provided by the invention, including：Electricity
Subtab, reader, controller and filling equipment；In the case where gas cylinder is placed in and fills on title chassis, it is set to and fills title
The reader of chassis surface carries out the unique electronic tag of gas cylinder to continue reading, obtains gas cylinder information；Judged by controller
Whether gas cylinder information qualified, and in underproof situation, according to gas cylinder information generate prompt messages and, qualified
In the case of, first is generated according to gas cylinder information and fills command information, and is filled command information for first and be sent to filling equipment；It fills
Installing is standby to fill command information to cylinder filling gas according to first, and obtains filling record information.The present invention can simplify gas
Bottle fills operation, and raising fills efficiency and safety, avoids the violation operation in filling.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cylinder filling system schematic that the embodiment of the present invention one provides；
Fig. 2 is the gas cylinder schematic diagram that the embodiment of the present invention one provides；
Fig. 3 is cylinder filling method flow diagram provided by Embodiment 2 of the present invention；
Fig. 4 is cylinder filling schematic illustration provided by Embodiment 2 of the present invention.
Icon：
110- electronic tag；120- gas cylinder；200- reader；300- controller；400- filling equipment；410- solenoid valve；
420- aeration speed detection device；510- fills title；520-, which is filled, claims chassis.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, gas cylinder, when filling, fueling station is generally busier, it is difficult to the validity of fast verification gas cylinder.Even also
There are following phenomenons：Gas cylinder unqualified for part exists and fills work " human feelings gas ", fills for knowing that unqualified gas cylinder is returned perfectly well
Dress；In addition, need by hand filling link by aerating key, it is comparatively laborious；Exist when filling and give short weight, leads consumer's into a trap
Phenomenon.To the above problem, Some Enterprises are in such a way that hand-held set scans label aerating, but this mode still remains artificially
Interference of the factor to cylinder filling, it is possible to the case where scanning A label fills B gas cylinder occur, can not ensure cylinder filling
Safety.
Based on this, cylinder filling system and method provided in an embodiment of the present invention, can simplify gas cylinder fills operation, mentions
Height fills efficiency and safety, avoids the violation operation in filling.
To be carried out first to cylinder filling system disclosed in the embodiment of the present invention detailed convenient for understanding the present embodiment
It is thin to introduce.
Embodiment one：
Fig. 1 is the cylinder filling system schematic that the embodiment of the present invention one provides.
Referring to Figures 1 and 2, cylinder filling system includes：Electronic tag 110, controller 300, is filled and is set reader 200
Standby 400 and fill title 510 etc..
Electronic tag 110 is fixedly installed in 120 bottom of gas cylinder, and every gas cylinder 120 is correspondingly arranged on the one of unique match
The surface for filling and claiming chassis 520 is arranged in a electronic tag 110, reader 200.Electronic tag 110 can not shift, once attachment
The bottom of gas cylinder 120, is shifted by external force, and electronic tag 110 will can not be used again；The gas cylinder 120 can be but be not limited to
LP gas cylinder, and a variety of media can be filled inside gas cylinder 120, such as the gas such as liquefied petroleum gas, oxygen, argon gas, dimethyl ether
Body or liquid；Gas cylinder 120 is placed in fill claim chassis 520 on when, reader 200 be close to electronic tag 110, continue and
It adequately reads and identifies electronic tag 110, and then obtain the gas cylinder information of matching gas cylinder 120.The electricity of every 120 bottom of gas cylinder
Subtab 110 ensure that the uniqueness of gas cylinder information, and only every gas cylinder 120 is located to fill and could identify when claiming on chassis 520
Its unique electronic tag 110 can guarantee to avoid the occurrence of in this way and read the case where A label but fills B gas cylinder.
It fills title 510 and is connected with title chassis 520 is filled, can be the mounting structure being linked together.
Controller 300 respectively with reader 200, fill title 510 and filling equipment 400 be connected.Filling equipment 400 include with
The connected valve of controller 300, and the aeration speed detection device 420 being connected with valve, wherein valve can be but unlimited
In solenoid valve 410.Controller 300 judges the reading result of reader 200, i.e.,：
Whether reader 200 is read the foundation whether electronic tag 110 practises fraud as Auto-Sensing by controller 300；
If reader 200 does not find electronic tag 110, controller 300, which determines to exist in filling process, practises fraud and closes solenoid valve
410；
If it find that electronic tag 110, then whether the gas cylinder information that controller 300 judges that reader 200 is read is qualified,
Judge gas cylinder 120 with the presence or absence of exceeding the time limit not examine, scrap, have slight crack etc. according to gas cylinder information.In the underproof feelings of gas cylinder information
Under condition, controller 300 generates prompt messages；And in the case where gas cylinder information is qualified, the generation of controller 300 fills finger
It enables, and is filled with the solenoid valve 410 that instruction is sent in filling equipment 400, so that solenoid valve 410 opens inflation.It was filling
The ascending curve of Cheng Zhong, aeration quantity are smooth, avoid the occurrence of die caused by human factor, phenomenon of giving short weight.Filling equipment 400
Record is also filled with to be saved.
Reader 200 is not only present in the detection before gas filling to the reading of electronic tag 110, and continues entire
Filling process, if read in filling in progress for gas less than 110 phenomenon of electronic tag, controller 300 will also be sentenced
Determine to exist in filling process and practises fraud and close solenoid valve 410.
In addition, filling with gas, the weight of gas cylinder 120 can be increased, and filled and claimed 510 gas cylinders that will be read
120 weight information is sent to controller 300, controller 300 will regulating control command according to weight information so that solenoid valve
410 reduce opening, reduce aeration speed.Aeration speed detection device 420 detects aeration speed, acquisition speed letter
Breath, to guarantee normal aeration speed.
Subtab is fixed on gas bottle bottom by cylinder filling system provided in this embodiment, and reader is filling title bottom
Panel surface is close to electronic tag by reader when filling gas cylinder to read gas cylinder information；As controller determines that gas cylinder information is closed
Lattice then send automatically and fill instruction, make filling equipment automatic filling；Exceed the time limit not examine as controller judgement gas cylinder information exists, scrap
Deng then closing valve and issue prompt messages.There is special device to detect aeration speed simultaneously, guarantees normal inflation rate.
As it can be seen that cylinder filling system is capable of the validity of fast verification gas cylinder, simplification fills operation, thoroughly prevents human factor to gas cylinder
The interference filled improves the efficiency and safety of cylinder filling.
Embodiment two：
Fig. 3 is cylinder filling method flow diagram provided by Embodiment 2 of the present invention.
The cylinder filling system provided based on the above embodiment, present embodiments provides cylinder filling method.Referring to Fig. 3 and
Fig. 4, cylinder filling method include the following steps：
Step S10 is set to the reader for filling and claiming chassis surface in the case where gas cylinder is placed in and fills on title chassis
The electronic tag of gas cylinder is carried out to continue reading, obtains gas cylinder information；
Specifically, reader can uninterrupted reading electronic tag, can to avoid read A label but fill B gas
The case where bottle, or fill the case where taking a breath bottle halfway.
Step S20 judges whether gas cylinder information is qualified by controller；If unqualified, S31 is thened follow the steps；If
Qualification thens follow the steps S32；
Step S31 generates prompt messages according to gas cylinder information；
Specifically, occurring not finding electronic tag situation if read in electronic tag in reader, controller will be with
Cheating processing, closes valve, forbids filling；Alternatively, being generated if the gas cylinder information read is unqualified according to gas cylinder information
Prompt messages.
Step S32 generates first according to gas cylinder information and fills command information, and fills command information by first and be sent to and fill
It installs standby；
Specifically, if controller is believed according to gas cylinder in the case where meeting persistently reading label and qualified gas cylinder information
Breath generates first and fills command information, and fills command information for first and be sent to filling equipment, so that filling equipment opens valve
Door is filled.
Step S40, filling equipment fill command information to cylinder filling gas according to first, and obtain filling record letter
Breath.
In addition, cylinder filling method further includes：Reader carries out electronic tag to continue reading, obtains and reads result；Control
Device processed judges to read whether result is not find label；If it is, generating valve out code information.
Further, cylinder filling method further includes：During filling equipment is to cylinder filling gas, title pair is filled
Gas cylinder is weighed, and obtains weight information, and weight information is sent to controller.
In turn, controller is according to according to weight information, sense weight situation of change, and variation abnormality occurs in weight information
In the case where, stopping fills behavior.Specifically, detecting that weight information occurs changing too fast or excessively slow situation, it may be possible to
Filling process is abnormal, and stopping fills behavior, to avoid fueling station by filling title operation, the case where giving short weight to consumer.
Further, cylinder filling method further includes：It is carried out by fill speed of the aeration speed detection device to gas
Detection, acquisition speed information.It can guarantee that aeration speed maintains in normal velocity interval by detecting aeration speed.
Cylinder filling method provided in an embodiment of the present invention has identical with cylinder filling system provided by the above embodiment
Technical characteristic reach identical technical effect so also can solve identical technical problem.
Above-described embodiment brings following beneficial effect：Cylinder filling system and method provided by the invention, including：Electronics
Label, reader, controller and filling equipment；In the case where gas cylinder is placed in and fills on title chassis, it is set to and fills title bottom
The reader of panel surface carries out the unique electronic tag of gas cylinder to continue reading, obtains gas cylinder information；Gas is judged by controller
Whether bottle information qualified, and in underproof situation, according to gas cylinder information generate prompt messages and, in qualified feelings
Under condition, first is generated according to gas cylinder information and fills command information, and fills command information for first and is sent to filling equipment；It fills
Equipment fills command information to cylinder filling gas according to first, and obtains filling record information.The present invention can simplify gas cylinder
Fill operation, raising fills efficiency and safety, avoids the violation operation in filling.
The embodiment of the present invention also provides a kind of electronic equipment, including memory, processor, and being stored in memory can locate
The computer program run on reason device, processor realize cylinder filling method provided by the above embodiment when executing computer program
The step of.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the step of cylinder filling method of above-described embodiment is executed when computer program is run by processor.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The computer program product of cylinder filling method is carried out provided by the embodiment of the present invention, including stores processor
The computer readable storage medium of executable non-volatile program code, the instruction that program code includes can be used for executing front
Method in embodiment of the method, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary.It is single as illustrated by the separation member
Member may or may not be physically separated, and component shown as a unit may or may not be physics
Unit, it can it is in one place, or may be distributed over multiple network units.It can select according to the actual needs
Some or all of unit therein achieves the purpose of the solution of this embodiment.
If function is realized in the form of SFU software functional unit and when sold or used as an independent product, can store
In the non-volatile computer-readable storage medium that a processor can be performed.Based on this understanding, skill of the invention
Substantially the part of the part that contributes to existing technology or the technical solution can be with software product in other words for art scheme
Form embody, which is stored in a storage medium, including some instructions use so that one
Computer equipment executes all or part of the steps of each embodiment method of the present invention.And storage medium above-mentioned includes：USB flash disk,
The various media that can store program code such as mobile hard disk, read-only memory, magnetic disk.
Finally it should be noted that：Embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that：Anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. a kind of cylinder filling system, which is characterized in that including：Electronic tag, reader, controller and filling equipment；
The electronic tag is fixedly installed in gas cylinder bottom, and every gas cylinder is correspondingly arranged on the electronic tag, institute
It states reader and the surface for filling and claiming chassis is set, the controller is connected with the reader and the filling equipment respectively.
2. system according to claim 1, which is characterized in that further include with it is described fill claim chassis be connected fill title,
The title that fills also is connected with the controller.
3. system according to claim 1, which is characterized in that the filling equipment includes the electricity being connected with the controller
Magnet valve, and the aeration speed detection device being connected with the solenoid valve.
4. a kind of cylinder filling method, which is characterized in that including：
In the case where gas cylinder is placed in and fills on title chassis, it is set to described fill and claims the reader of chassis surface to the gas
The electronic tag of bottle carries out continuing reading, obtains gas cylinder information；
Judge whether the gas cylinder information is qualified by controller；
If unqualified, prompt messages are generated according to the gas cylinder information；
If qualified, first is generated according to the gas cylinder information and fills command information, and fills command information for described first
It is sent to filling equipment；
The filling equipment fills command information to the cylinder filling gas according to described first, and obtains filling record letter
Breath.
5. according to the method described in claim 4, it is characterized in that, the method also includes：
The reader carries out the electronic tag to continue reading, obtains and reads result；
The controller judges whether the reading result is not find label；
If it is, generating valve out code information.
6. according to the method described in claim 4, it is characterized in that, the method also includes：
During the filling equipment is to the cylinder filling gas, fills title and weigh to the gas cylinder, obtain weight
Information is measured, and the weight information is sent to the controller.
7. according to the method described in claim 4, it is characterized in that, the method also includes：
The controller according to weight information, sense weight situation of change, and in the case where variation abnormality occurs in weight information,
Stopping fills behavior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780538.7A CN108870068A (en) | 2018-07-16 | 2018-07-16 | Cylinder filling system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780538.7A CN108870068A (en) | 2018-07-16 | 2018-07-16 | Cylinder filling system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108870068A true CN108870068A (en) | 2018-11-23 |
Family
ID=64302272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780538.7A Pending CN108870068A (en) | 2018-07-16 | 2018-07-16 | Cylinder filling system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108870068A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111225062A (en) * | 2020-01-14 | 2020-06-02 | 昆山润石智能科技有限公司 | Control system and method for photoresist bottle |
| CN112418365A (en) * | 2020-11-03 | 2021-02-26 | 黄兴良 | Safety supervision method and system for liquefied gas cylinder and storage medium |
| CN113309976A (en) * | 2021-05-28 | 2021-08-27 | 浙江瑞亨电子材料有限公司 | High-purity liquid chlorine filling equipment and method |
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| CN111225062A (en) * | 2020-01-14 | 2020-06-02 | 昆山润石智能科技有限公司 | Control system and method for photoresist bottle |
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| CN113309976A (en) * | 2021-05-28 | 2021-08-27 | 浙江瑞亨电子材料有限公司 | High-purity liquid chlorine filling equipment and method |
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