CN115435238A - A fill dress device that is used for high-purity carbon dioxide and high-purity nitrous oxide - Google Patents

A fill dress device that is used for high-purity carbon dioxide and high-purity nitrous oxide Download PDF

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Publication number
CN115435238A
CN115435238A CN202211060594.6A CN202211060594A CN115435238A CN 115435238 A CN115435238 A CN 115435238A CN 202211060594 A CN202211060594 A CN 202211060594A CN 115435238 A CN115435238 A CN 115435238A
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China
Prior art keywords
valve
pipeline
communicated
filling
purity
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CN202211060594.6A
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CN115435238B (en
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黄加斗
叶颖恒
崔秀龙
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Chongqing Tonghui Kefa Gas Co ltd
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Chongqing Tonghui Kefa Gas Co ltd
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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
    • F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified 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
    • 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
    • F17C13/023—Special adaptations of indicating, measuring, or monitoring equipment having the mass 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
    • 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/14—Conveying liquids or viscous products by pumping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • 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
    • F17C2227/044—Methods for emptying or filling by purging
    • 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
    • F17C2227/045—Methods for emptying or filling by vacuum
    • 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
    • F17C2227/047—Methods for emptying or filling by repeating a process cycle
    • 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
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • 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
    • F17C2250/0439—Temperature

Abstract

The invention belongs to the technical field of liquefied gas filling equipment, and particularly relates to a filling device for high-purity carbon dioxide and high-purity nitrous oxide, which is used for solving the technical problem that the purity of the high-purity carbon dioxide and high-purity nitrous oxide filled in the prior art is difficult to control, and comprises the following components: the system comprises a liquefied pipeline, a liquefied pipeline and a liquefied gas pipeline, wherein the liquefied pipeline comprises a product storage tank, an emergency cut-off valve, a booster valve, a vaporizer and a first cut-off valve which are sequentially communicated; the air exhaust assembly comprises an air exhaust treatment device, and the air exhaust treatment device is communicated with the liquefied gas pipeline and the air exhaust pipeline; the vacuumizing assembly comprises a vacuum pump of which one end is communicated with the vacuum pipeline and the other end is communicated with the air processing device; a plurality of fill control assemblies are also provided.

Description

A fill dress device that is used for high-purity carbon dioxide and high-purity nitrous oxide
Technical Field
The invention belongs to the technical field of liquefied gas filling equipment, and particularly relates to a filling device for high-purity carbon dioxide and high-purity nitrous oxide.
Background
The high-purity carbon dioxide is a colorless and odorless gas at normal temperature and normal pressure, belongs to a weakly acidic gas, has a slight pungent smell at high temperature, is nonflammable, and cannot maintain life. The high-purity carbon dioxide is mainly used for medical research, clinical diagnosis, carbon dioxide laser, calibration gas and preparation of other special stick gas.
The high-purity nitrous oxide is colorless, non-inflammable, suffocating, anesthetic, slightly sweet and dense gas with density higher than that of air at normal temperature and normal pressure. Can be used as medical anesthetic, refrigerant, combustion improver, antiseptic, smoke propellant, standard gas, balance gas, etc.; as a nitrogen source for vapor deposition of silicon nitride in the semiconductor industry; as an anesthetic in medicine; it can also be used as an oxidizing gas for atomic absorption spectroscopy.
However, the prior art has the problem that the filling purity of high-purity carbon dioxide and high-purity nitrous oxide is difficult to control.
Accordingly, the present invention has been made to solve the above problems by providing a charging apparatus for high purity carbon dioxide and high purity nitrous oxide.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a filling device for high-purity carbon dioxide and high-purity nitrous oxide, which is used for solving the technical problem that the purity of the filling of the high-purity carbon dioxide and the high-purity nitrous oxide in the prior art is difficult to control.
In order to solve the technical problem, the invention adopts the following technical scheme:
a charging device for high purity carbon dioxide and high purity nitrous oxide, comprising:
the liquefied pipeline comprises a product storage tank, an emergency cut-off valve, a booster valve, a vaporizer and a first cut-off valve which are sequentially communicated, and the first cut-off valve is communicated with the liquefied gas pipeline;
the air exhaust assembly comprises an air exhaust treatment device, and the air exhaust treatment device is communicated with the liquefied gas pipeline and the air exhaust pipeline;
the vacuum pumping assembly comprises a vacuum pump, one end of the vacuum pump is communicated with the vacuum pipeline, and the other end of the vacuum pump is communicated with the air treatment device;
the filling device is characterized in that a plurality of filling control assemblies are further arranged, each filling control assembly comprises a vacuumizing switching valve, an emptying valve and a material valve, one end of the vacuumizing switching valve is communicated with the vacuum pipeline, one end of the emptying valve is communicated with the emptying pipeline, and the other end of the material valve is communicated with the liquefied gas pipeline, the other end of the vacuumizing switching valve, the other end of the emptying valve and the other end of the material valve are communicated with a parallel pipe, the parallel pipe is communicated with one end of a filling electromagnetic valve, and the other end of the filling electromagnetic valve is communicated with a filling tank body.
Furthermore, fill dress control module still include with fill dress solenoid valve electric connection's intelligence fill dress control module, intelligence fills dress control module still electric connection has pressure sensor, pressure sensor sets up in storage tank platform bottom, pressure sensor is used for the perception to be put the weight that fills the dress jar body on storage tank platform upper portion, fill the dress jar body through filling the dress connecting pipe with fill the dress solenoid valve intercommunication.
Further, fill dress control assembly still includes the pressure valve, pressure valve one end and parallel pipe intercommunication, the pressure valve other end and manometer intercommunication.
Further, the filling control assembly further comprises a thermometer, wherein the thermometer is communicated with the parallel pipes and used for checking the temperature in the parallel pipes.
Further, fill dress control assembly still includes the sample valve, sample valve one end and parallel pipe intercommunication, the sample valve other end and gaseous inspection room intercommunication.
Furthermore, the vacuumizing assembly further comprises a second stop valve, a third stop valve and a fourth stop valve, the second stop valve is communicated between the vacuum pipeline and the vacuum pump, the third stop valve is communicated between the vacuum pump and the air treatment device, and the fourth stop valve is communicated between the third stop valve and the air treatment device.
Furthermore, the liquefied gas pipeline, the emptying pipeline, the vacuum pipeline and the parallel connection pipe are all BA-grade stainless steel pipes.
Further, the air exhaust assembly further comprises pipeline on-site pressure monitoring arranged on the liquefied gas pipeline and pipeline remote pressure monitoring arranged on the liquefied gas pipeline.
Furthermore, the air exhaust assembly further comprises a safety valve, one end of the safety valve is communicated with the liquefied gas pipeline, and the other end of the safety valve is communicated between the emptying gas processing device and the stop valve.
Further, the air exhaust assembly further comprises a fifth stop valve and a one-way valve which are arranged between the emptying pipeline and the emptying gas processing device, and the fifth stop valve and the one-way valve are arranged in an adjacent mode.
The use method of the filling device for the high-purity carbon dioxide and the high-purity nitrous oxide comprises the following steps:
s1, pumping residual gas in the filling tank body to a micro positive pressure by using a pumping assembly, so that residual impurity gas in the filling tank body can be pumped away, and no other impurities exist in the tank body;
s2, pumping the filling tank body to an absolute vacuum state by using a vacuum pumping assembly, and ensuring that the content of impurity gas is basically 0;
and S3, after the tank body is filled by the filling assembly, replacing the inside of the tank body until other impurities are basically 0 through air suction, vacuum pumping and filling for many times, and ensuring that the high-quality product rate of the product quality meets the requirement.
Compared with the prior art, the invention has the following beneficial effects:
the filling equipment can complete filling of high-purity carbon dioxide and high-purity nitrous oxide, and the purity of the filling equipment can be effectively controlled by closely matching the filling control assembly, the liquefied pipeline, the air extraction assembly, the gas inspection chamber, the vacuumizing assembly, the liquefied gas pipeline, the emptying pipeline, the vacuum pipeline and the like after the tank body is filled.
The invention has high qualification rate after filling, reduces the yield waste and reduces the cost.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pumping assembly according to one embodiment of the present invention;
FIG. 3 is a schematic view of a fill control assembly according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a schematic structural view of a second embodiment of a fill control assembly according to a second embodiment of the present disclosure
Reference numerals referred to in the drawings are:
a filling control assembly 1, a tank platform 10, a pressure sensor 101, a thermometer 200,
A vacuumizing switching valve 11, an emptying valve 12, a pressure valve 13, a material valve 14, a sampling valve 15, a filling electromagnetic valve 16, an intelligent filling control module 17, a filling connecting pipe 18, a filling tank body 19, a parallel pipe 100,
A liquefaction pipeline 2, a product storage tank 21, an emergency cut-off valve 22, a booster valve 23, a vaporizer 24, a first cut-off valve 25,
The air extraction component 3, the emptying air processing device 31, the pipeline on-site pressure monitoring 32, the pipeline remote pressure monitoring 33, the safety valve 34, the fifth stop valve 35, the one-way valve 36,
The device comprises a gas inspection chamber 4, a vacuum-pumping assembly 5, a vacuum pump 51, a second stop valve 52, a third stop valve 53, a fourth stop valve 54, a pressure gauge 55, a liquefied gas pipeline 6, a vent pipeline 7 and a vacuum pipeline 8.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate an orientation or a positional relationship based on that shown in the drawings, it is only for convenience of description and simplification of description, but not to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations on the present patent, and specific meanings of the terms may be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between components, is to be understood broadly, for example, as being either fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 to 5, a charging apparatus for high purity carbon dioxide and high purity nitrous oxide includes:
the liquefied gas pipeline 2, the liquefied pipeline 2 includes the product storage tank 21, the emergency cut-off valve 22, the booster valve 23, the vaporizer 24 and the first cut-off valve 25 that communicate sequentially, the first cut-off valve 25 communicates with liquefied gas pipeline 6;
the air extraction assembly 3 comprises an emptying air processing device 31, and the emptying air processing device 31 is communicated with the liquefied gas pipeline 6 and the emptying pipeline 7;
the vacuumizing assembly 5 comprises a vacuum pump 51, one end of the vacuumizing assembly 5 is communicated with the vacuum pipeline 8, and the other end of the vacuum pump 51 is communicated with the air processing device 31;
the filling device is also provided with a plurality of filling control assemblies 1, each filling control assembly 1 comprises a vacuumizing switching valve 11, one end of which is communicated with the vacuum pipeline 8, an emptying valve 12, one end of which is communicated with the emptying pipeline 7, and a material valve 14, one end of which is communicated with the liquefied gas pipeline 6, the other end of the vacuumizing switching valve 11, the other end of the emptying valve 12 and the other end of the material valve 14 are communicated with a parallel pipe 100, the parallel pipe 100 is communicated with one end of a filling electromagnetic valve 16, and the other end of the filling electromagnetic valve 16 is communicated with a filling tank body 19.
The invention can realize one-time filling operation of a plurality of filling control components 1 and filling tank bodies 19, can realize continuous and uninterrupted filling, improves the production efficiency, realizes centralized optimization of saving manpower, materials, equipment and the like, and avoids cross pollution or manpower waste caused in the repeated shutdown process.
The working principle of the invention is that the processes of filling, air exhaust, vacuum pumping and the like of the filling tank body 19 are not interfered with each other by the optimized combination of the liquefaction pipeline 2, the air exhaust component 3 and the vacuum pumping component 5, and the stop valve is arranged on the pipeline, so that the high-purity gas can only enter the fixed tank body or position, and the cross contamination is isolated.
The filling control assembly 1 further comprises an intelligent filling control module 17 electrically connected with the filling electromagnetic valve 16, the intelligent filling control module 17 is further electrically connected with a pressure sensor 101, the pressure sensor 101 is arranged at the bottom of the storage tank platform 10, the pressure sensor 101 is used for sensing the weight of a filling tank body 19 arranged at the upper part of the storage tank platform 10, and the filling tank body 19 is communicated with the filling electromagnetic valve 16 through a filling connecting pipe 18.
The filling control assembly 1 can accurately control the opening and closing of the filling electromagnetic valve 16 through the filling weight calculated by the pressure sensor 101, the filling tank body 19 is filled by opening the filling electromagnetic valve 16, and after the set weight is filled, the filling electromagnetic valve 16 is closed according to the intelligent filling control module 17, and the filling is stopped.
The specific scheme of the intelligent charging control module 17 is as follows: through the mode of artificially pre-inputting the filling weight, the intelligent control system for realizing quantitative filling converts the pressure change of the pressure sensor 101 in the filling process into a weight signal and feeds the weight signal back to the intelligent filling control module 17, the intelligent filling control module 17 compares the weight signal with the pre-input filling weight signal, and when the actual filling weight reaches the pre-input filling weight, the intelligent filling control module 17 sends a signal instruction to the electromagnetic valve 16 to realize the purposes of stopping filling and accurately metering.
The filling control assembly 1 further comprises a pressure valve 13, one end of the pressure valve 13 is communicated with the parallel pipe 100, and the other end of the pressure valve 13 is communicated with the pressure gauge 55.
The pressure valve 13 among them is normally open state, can look over in real time through manometer 55 and fill the pressure condition of filling in-process, and the safety of guarantee filling in-process prevents that pressure from rising suddenly and causing the incident. Meanwhile, whether the preparation work before vacuum pumping is in place can be checked, because the vacuum pump must be in a micro-positive pressure state before being used, the vacuum pump cannot be used under high pressure, and the safe use of the vacuum pump is protected.
The fill control assembly 1 further includes a thermometer 200, the thermometer 200 being in communication with the parallel tubes 100 for checking the temperature within the parallel tubes 100.
The filling is with a cryogenic liquefied gas, which is at a very low temperature, substantially below-20 c, so that it is intuitive to see which filling is in progress by the temperature 200, and if the temperature is high, it is not yet started, or if the filling is in question, it cannot be filled.
The filling control assembly 1 further comprises a sampling valve 15, one end of the sampling valve 15 is communicated with the parallel pipe 100, and the other end of the sampling valve 15 is communicated with the gas inspection chamber 4.
The sampling valve 15 corresponding to the filling control assembly 1 is opened or closed, so that the filling tank body 19 corresponding to the filling control assembly 1 can be analyzed and tested at any time, filling can be carried out again in time when the filling is unqualified, the stability of the product quality is ensured, the filling efficiency is improved, and the cost is reduced.
The vacuum pumping assembly 5 further comprises a second stop valve 52, a third stop valve 53 and a fourth stop valve 54, wherein the second stop valve 52 is communicated between the vacuum pipeline 8 and the vacuum pump 51, the third stop valve 53 is communicated between the vacuum pump 51 and the air processing device 31, and the fourth stop valve 54 is communicated between the third stop valve 53 and the air processing device 31.
According to the vacuum pressure grade, multi-stage one-way sealing is adopted, namely, a second stop valve 52, a third stop valve 53 and a fourth stop valve 54 are arranged, so that the situation that impurity gas reversely enters a vacuum pipeline or a filling tank body in a serial mode to pollute the pipeline or the tank body, cause product quality pollution, reduce labor efficiency and the like is avoided.
The liquefied gas pipeline 6, the emptying pipeline 7, the vacuum pipeline 8 and the parallel connection pipe 100 are all BA-grade stainless steel pipes.
The further improvement all adopts BA level stainless steel pipe with other pipeline structure.
A BA-grade stainless steel pipe is used as a professional high-purity electronic gas circuit pipeline, and the pipeline is subjected to annealing, pickling, nondestructive testing, cleaning and other processes, so that the aim of dust-free cleaning is fulfilled, the pipeline pollution is avoided, and the product quality is improved.
The gas extraction module 3 further comprises a pipeline on-site pressure monitor 32 arranged in the liquefied gas pipeline 6 and a pipeline remote pressure monitor 33 arranged in the liquefied gas pipeline 6. The pipeline is provided with on-site pressure monitoring and remote pressure monitoring, and the purpose of safe filling can be realized.
The air extraction assembly 3 further comprises a safety valve 34 with one end communicated with the liquefied gas pipeline 6 and the other end communicated between the vent gas treatment device 31 and a one-way valve 36. When the pipeline pressure suddenly rises in the use process of the liquefied gas filling pipeline 6 and exceeds the working pressure P of the safety valve 34, the safety valve 34 automatically jumps to release the pressure to a safe range.
The air extraction assembly 3 further comprises a fifth stop valve 35 and a one-way valve 36 arranged between the emptying pipe 7 and the emptying gas processing device 31, wherein the fifth stop valve 35 and the one-way valve 36 are arranged adjacently. The emptying pipe 7 is provided with a fifth stop valve 35 and a one-way valve 36, so as to prevent the waste gas of the emptying gas processing device 31 from flowing back into the tank body and polluting the tank body during filling.
A shutoff valve is provided between the safety valve 34 and the liquefied gas pipe 6, and a shutoff valve having a one-way function is provided in parallel with the safety valve 34.
The use method of the filling device for the high-purity carbon dioxide and the high-purity nitrous oxide comprises the following steps:
s1, pumping residual gas in a filling tank body to a micro positive pressure by using a pumping assembly, so that the residual impurity gas in the filling tank body can be pumped away, and no other impurities exist in the tank body;
s2, pumping the filling tank body to an absolute vacuum state by using a vacuum pumping assembly, and ensuring that the content of impurity gas is basically 0;
and S3, after the tank body is filled by the filling assembly, replacing the inside of the tank body until other impurities are basically 0 through air suction, vacuum pumping and filling for many times, and ensuring that the high-quality product rate of the product quality meets the requirement.
Example two
As a further improvement of the previous embodiment, as shown in fig. 1-5, the connection of the set of filling tanks 19 with the liquefied gas pipe 6, the blow-down pipe 7 and the vacuum pipe 8 is the same as that of the first embodiment, and the filling control assembly 1 is the same as that of the first embodiment, except that another set of filling tanks 19 is added in the present embodiment, and the set of filling tanks 19 is placed in a horizontal manner, which has the advantages that the filling tanks 19 are not easy to topple over and have a higher safety factor. And the overall filling efficiency is higher as more filling tanks 19 are integrated in the whole system.
The foregoing are embodiments of the present invention and are not intended to limit the scope of the invention to the particular forms set forth in the specification, which are set forth in the claims below, but rather are to be construed as the full breadth and scope of the claims, as defined by the appended claims, as defined in the appended claims, in order to provide a thorough understanding of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (10)

1. The utility model provides a fill dress device that is used for high-purity carbon dioxide and high-purity nitrous oxide which characterized in that: the method comprises the following steps:
the liquefied gas pipeline comprises a liquefied pipeline (2), wherein the liquefied pipeline (2) comprises a product storage tank (21), an emergency cut-off valve (22), a booster valve (23), a vaporizer (24) and a first cut-off valve (25) which are sequentially communicated, and the first cut-off valve (25) is communicated with a liquefied gas pipeline (6);
the air exhaust assembly (3) comprises an air exhaust treatment device (31), and the air exhaust treatment device (31) is communicated with the liquefied gas pipeline (6) and the air exhaust pipeline (7);
the vacuum pumping assembly (5) comprises a vacuum pump (51) with one end communicated with the vacuum pipeline (8), and the other end of the vacuum pump (51) is communicated with the air treatment device (31);
still be provided with a plurality of filling control assembly (1), fill material valve (14) that vacuum switch valve (11), atmospheric valve (12), one end and liquefied gas pipeline (6) intercommunication that fill control assembly (1) include one end and vacuum pipeline (8) intercommunication, one end and atmospheric pipeline (7) intercommunication, the vacuum switch valve (11) other end, atmospheric valve (12) other end, material valve (14) other end and parallel pipe (100) intercommunication, parallel pipe (100) communicate in filling solenoid valve (16) one end, fill the solenoid valve (16) other end and fill a jar body (19) intercommunication.
2. The charging device for high-purity carbon dioxide and high-purity nitrous oxide according to claim 1, characterized in that: the filling control assembly (1) further comprises an intelligent filling control module (17) electrically connected with the filling electromagnetic valve (16), the intelligent filling control module (17) is further electrically connected with a pressure sensor (101), the pressure sensor (101) is arranged at the bottom of the storage tank platform (10), the pressure sensor (101) is used for sensing the weight of a filling tank body (19) arranged on the upper portion of the storage tank platform (10), and the filling tank body (19) is communicated with the filling electromagnetic valve (16) through a filling connecting pipe (18).
3. The charging device for high-purity carbon dioxide and high-purity nitrous oxide as claimed in claim 2, wherein: the filling control assembly (1) further comprises a pressure valve (13), one end of the pressure valve (13) is communicated with the parallel pipe (100), and the other end of the pressure valve (13) is communicated with a pressure gauge (55).
4. The charging device for high-purity carbon dioxide and high-purity nitrous oxide as claimed in claim 3, wherein: the filling control assembly (1) further comprises a thermometer (200), wherein the thermometer (200) is communicated with the parallel pipes (100) and checks the temperature in the parallel pipes (100).
5. The charging device for high-purity carbon dioxide and high-purity nitrous oxide according to claim 4, characterized in that: the filling control assembly (1) further comprises a sampling valve (15), one end of the sampling valve (15) is communicated with the parallel pipe (100), and the other end of the sampling valve (15) is communicated with the gas inspection chamber (4).
6. The charging device for high-purity carbon dioxide and high-purity nitrous oxide as claimed in claim 1, wherein: the vacuum pumping assembly (5) further comprises a second stop valve (52), a third stop valve (53) and a fourth stop valve (54), the second stop valve (52) is communicated between the vacuum pipeline (8) and the vacuum pump (51), the third stop valve (53) is communicated between the vacuum pump (51) and the air processing device (31), and the fourth stop valve (54) is communicated between the third stop valve (53) and the air processing device (31).
7. The charging device for high-purity carbon dioxide and high-purity nitrous oxide according to any one of claims 1 to 6, characterized in that: liquefied gas pipeline (6), unloading pipeline (7), vacuum line (8) and parallelly connected pipe (100) all adopt the stainless steel pipe of BA level.
8. The charging device for high-purity carbon dioxide and high-purity nitrous oxide as claimed in claim 1, wherein: the air extraction assembly (3) further comprises a pipeline field pressure monitor (32) arranged on the liquefied gas pipeline (6) and a pipeline remote pressure monitor (33) arranged on the liquefied gas pipeline (6).
9. The charging device for high-purity carbon dioxide and high-purity nitrous oxide according to claim 1, characterized in that: the air extraction component (3) also comprises a safety valve (34) with one end communicated with the liquefied gas pipeline (6) and the other end communicated between the emptying gas processing device (31) and the one-way valve (36).
10. The charging device for high-purity carbon dioxide and high-purity nitrous oxide according to claim 1, characterized in that: the air exhaust assembly (3) further comprises a fifth stop valve (35) and a one-way valve (36) which are arranged between the emptying pipeline (7) and the emptying air processing device (31), and the fifth stop valve (35) and the one-way valve (36) are arranged in an adjacent mode.
CN202211060594.6A 2022-08-30 2022-08-30 Filling device for high-purity carbon dioxide and high-purity nitrous oxide Active CN115435238B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718645A1 (en) * 1997-05-02 1998-11-12 Tilke Gmbh Filling method for gas bottles
EP1043540A2 (en) * 1999-04-08 2000-10-11 Messer Griesheim Gmbh Filling device for making precision gas mixtures
CN203703604U (en) * 2013-12-25 2014-07-09 福建优迪电力技术有限公司 SF6 gas recovery device with gas component analysis function
CN206708722U (en) * 2017-05-08 2017-12-05 河钢股份有限公司邯郸分公司 A kind of high-purity gas is bottled system automatically
CN109838687A (en) * 2019-02-25 2019-06-04 济南德洋特种气体有限公司 A kind of high pressure gas cylinder automatic vacuum and the method filled
CN208951670U (en) * 2018-07-23 2019-06-07 句容康泰特种气体有限公司 A kind of carbon dioxide charging device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718645A1 (en) * 1997-05-02 1998-11-12 Tilke Gmbh Filling method for gas bottles
EP1043540A2 (en) * 1999-04-08 2000-10-11 Messer Griesheim Gmbh Filling device for making precision gas mixtures
CN203703604U (en) * 2013-12-25 2014-07-09 福建优迪电力技术有限公司 SF6 gas recovery device with gas component analysis function
CN206708722U (en) * 2017-05-08 2017-12-05 河钢股份有限公司邯郸分公司 A kind of high-purity gas is bottled system automatically
CN208951670U (en) * 2018-07-23 2019-06-07 句容康泰特种气体有限公司 A kind of carbon dioxide charging device
CN109838687A (en) * 2019-02-25 2019-06-04 济南德洋特种气体有限公司 A kind of high pressure gas cylinder automatic vacuum and the method filled

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