CN116039879A - Circulating type scuba and method for judging use condition of carbon dioxide absorbent - Google Patents
Circulating type scuba and method for judging use condition of carbon dioxide absorbent Download PDFInfo
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- CN116039879A CN116039879A CN202310088788.5A CN202310088788A CN116039879A CN 116039879 A CN116039879 A CN 116039879A CN 202310088788 A CN202310088788 A CN 202310088788A CN 116039879 A CN116039879 A CN 116039879A
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- carbon dioxide
- dioxide absorbent
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 240
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 120
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 114
- 230000002745 absorbent Effects 0.000 title claims abstract description 67
- 239000002250 absorbent Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 15
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000009189 diving Effects 0.000 claims abstract description 17
- 230000004060 metabolic process Effects 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 230000001186 cumulative effect Effects 0.000 claims abstract description 7
- 230000036284 oxygen consumption Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/18—Air supply
- B63C11/22—Air supply carried by diver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/18—Air supply
- B63C11/22—Air supply carried by diver
- B63C11/24—Air supply carried by diver in closed circulation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Pulmonology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a circulating type scuba and a method for judging the service condition of a carbon dioxide absorbent, which comprises the following steps: the circulating type diving breathing apparatus comprises a flow sensor and a controller, wherein the flow sensor is arranged on a pipeline between the first-stage pressure reducer and the passage switching valve; the flow sensor detects the accumulated flow value of pure oxygen in the pipeline; the controller obtains the carbon dioxide production amount=potential of the diver metabolic process based on the relationship that the carbon dioxide produced by the diver metabolic process is proportional to the oxygen consumed and is 1A cumulative flow value of pure oxygen in the water process; the controller calculates the carbon dioxide amount which can be absorbed by the carbon dioxide absorbent filled in the carbon dioxide absorbent tank to be Q 1 The method comprises the steps of carrying out a first treatment on the surface of the The controller is used for calculating the carbon dioxide generation quality Q 2 Controller calculates Q 2 /Q 1 And prompting the first alarm information when the ratio reaches a first set threshold value, and prompting the second alarm information when the ratio reaches a second set threshold value.
Description
Technical Field
The invention relates to the technical field of carbon dioxide absorbent in circulating type scuba, in particular to a circulating type scuba for judging the service condition of a carbon dioxide absorbent and a method for judging the service condition of the carbon dioxide absorbent.
Background
The circulating diving breathing apparatus has the characteristics of long underwater working time, good concealment and high gas utilization rate, and is widely applied to the occasions such as technical diving, scientific investigation diving, cave diving, military diving and the like. One principle of operation of a circulating scuba is to take the gas exhaled by a diver through a carbon dioxide absorber tank to absorb carbon dioxide and moisture, and then re-enter a breathing circuit for the diver to breathe. The remaining use of carbon dioxide absorbent is critical to divers using the scuba. If the carbon dioxide absorbent fails, the partial pressure of carbon dioxide in the inhaled gas of the diver is increased, so that the diver is at risk of carbon dioxide poisoning. Therefore, the residual use condition of the carbon dioxide absorbent is judged, the diver can grasp the diving time conveniently, and the method has important significance for diving safety.
Disclosure of Invention
Aiming at the problems and the defects existing in the prior art, the invention provides a circulating type scuba and a method for judging the service condition of a carbon dioxide absorbent, and the safety of a diver under water is ensured.
The invention solves the technical problems by the following technical proposal:
the invention provides a circulating type scuba for judging the use condition of a carbon dioxide absorbent, which comprises a carbon dioxide absorbent tank, a primary pressure reducer and a passage switching valve, and is characterized by also comprising a controller and a flow sensor, wherein the flow sensor is arranged on a pipeline between the primary pressure reducer and the passage switching valve, and the flow sensor is electrically connected with the controller;
the flow sensor is used for detecting the accumulated flow value of pure oxygen in the pipeline, namely the oxygen consumption of the diver;
the controller is used for obtaining the carbon dioxide production V generated by the diver in the metabolic process based on the relationship that the carbon dioxide generated by the diver in the metabolic process is proportional to the consumed oxygen and the ratio can be approximately 1 CO2 (L) =cumulative flow value V of pure oxygen during diving O2 (L)；
The controller is used for calculating that the carbon dioxide absorbent filled in the carbon dioxide absorbent tank can absorb the carbon dioxide with the quantity Q 1 =m·q, where M represents the carbon dioxide absorbent loading in the carbon dioxide absorbent tank in kg, and q represents the absorption rate of the carbon dioxide absorbent;
the controller is used for calculating the carbon dioxide generation quality
Carbon dioxide Density in reference State (0 ℃,1 atm)
Carbon dioxide density at arbitrary temperature θ (including 0 ℃), absolute pressure p (kPa)>
Calculated from the following formula:
the controller is used for calculating Q 2 /Q 1 Is not utilized when the ratio does not reach the first set thresholdThe alarm prompts, when the ratio reaches a first set threshold, the alarm prompts first alarm information, wherein the first alarm information is alarm information that the carbon dioxide absorbent is used more than half, and when the ratio reaches a second set threshold, the alarm prompts second alarm information, wherein the second alarm information is alarm information that the carbon dioxide absorbent is used up soon and reminds divers of timely water outlet, and the second set threshold is larger than the first set threshold.
The invention also provides a method for judging the service condition of the carbon dioxide absorbent, which is characterized by being realized by the circulating type scuba, and the method comprises the following steps:
s1, detecting an accumulated flow value of pure oxygen in a pipeline, namely oxygen consumption of a diver by the flow sensor;
s2, the controller obtains the carbon dioxide production V generated by the diver in the metabolic process based on the relationship that the carbon dioxide generated by the diver in the metabolic process is proportional to the consumed oxygen and the ratio can be approximately 1 CO2 (L) =cumulative flow value V of pure oxygen during diving O2 (L)；
S3, the controller calculates that the carbon dioxide amount which can be absorbed by the carbon dioxide absorbent filled in the carbon dioxide absorbent tank is Q 1 =m·q, where M represents the carbon dioxide absorbent loading in the carbon dioxide absorbent tank in kg, and q represents the absorption rate of the carbon dioxide absorbent;
s4, the controller calculates the carbon dioxide generation quality
Carbon dioxide Density in reference State (0 ℃,1 atm)
Carbon dioxide density at arbitrary temperature θ (including 0 ℃), absolute pressure p (kPa)>
Calculated from the following formula:
s5, the controller calculates Q 2 /Q 1 When the ratio does not reach the first set threshold, the alarm is not used for prompting, when the ratio reaches the first set threshold, the alarm is used for prompting first alarm information, the first alarm information is alarm information that the carbon dioxide absorbent is used more than half, when the ratio reaches the second set threshold, the alarm is used for prompting second alarm information, the second alarm information is alarm information that the carbon dioxide absorbent is used up soon and the diver is reminded of timely water outlet, and the second set threshold is larger than the first set threshold.
The invention has the positive progress effects that: the invention can judge whether the carbon dioxide absorbent is used more than half and whether the carbon dioxide absorbent is about to be used up, thereby judging the residual use condition of the carbon dioxide absorbent, facilitating the diver to master the diving time, having important significance for diving safety, reducing the risk of carbon dioxide poisoning of the diver and ensuring the underwater safety of the diver.
Drawings
FIG. 1 is a schematic view of a circulating scuba for determining the usage of a carbon dioxide absorbent according to a preferred embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the present embodiment provides a circulating type scuba for judging the use condition of a carbon dioxide absorbent, the circulating type scuba includes a carbon dioxide absorbent tank 1, a primary pressure reducer 2, a passage switching valve 3, the circulating type scuba further includes a controller 4 and a flow sensor 5, the flow sensor 5 is disposed on a pipeline between the primary pressure reducer 2 and the passage switching valve 3, and the flow sensor 5 is electrically connected with the controller 4.
The flow sensor 5 is used for detecting the accumulated flow value of pure oxygen in the pipeline, namely the oxygen consumption of the diver. The principle of the invention is that a flow sensor is added behind the pure oxygen cylinder, and the accumulated value of the pure oxygen flow is recorded, and the value is the oxygen consumption.
The controller 4 is used for obtaining the carbon dioxide production V generated by the diver in the metabolic process based on the fact that the carbon dioxide produced by the diver in the metabolic process is directly proportional to the consumed oxygen, the ratio of the carbon dioxide to the consumed oxygen can be approximately 1, and the accumulated flow of the pure oxygen in the diving process is the carbon dioxide production generated by the diver in the metabolic process CO2 (L) =cumulative flow value V of pure oxygen during diving O2 (L)。
The controller 4 is used for calculating that the carbon dioxide absorbent filled in the carbon dioxide absorbent tank 1 can absorb the carbon dioxide with the quantity Q 1 =m·q, where M represents the carbon dioxide absorbent loading in the carbon dioxide absorbent tank, the unit is kg, and q represents the absorption rate of the carbon dioxide absorbent.
The controller 4 is used for calculating the carbon dioxide generation quality
Carbon dioxide Density in reference State (0 ℃,1 atm)
Any temperature theta%Carbon dioxide density comprising 0 ℃), absolute pressure p (kPa)>
Calculated from the following formula:
the controller 4 is used for calculating Q 2 /Q 1 When the ratio does not reach a first set threshold (such as 70%), the alarm is not used for prompting, when the ratio reaches the first set threshold (such as 65%), the alarm is used for prompting the first alarm information, the first alarm information is the alarm information that the carbon dioxide absorbent is used more than half, when the ratio reaches a second set threshold (such as 80%), the alarm is used for prompting the second alarm information, the second alarm information is the alarm information that the carbon dioxide absorbent is used up soon and the diver is reminded of timely water outlet, and the second set threshold is larger than the first set threshold.
The embodiment also provides a method for judging the use condition of the carbon dioxide absorbent, which is realized by using the circulating type scuba, and the method comprises the following steps:
s1, the flow sensor 5 detects the accumulated flow value of pure oxygen in a pipeline, namely the oxygen consumption of a diver.
S2, the controller 4 obtains the carbon dioxide production V generated by the diver in the metabolic process based on the relationship that the carbon dioxide generated by the diver in the metabolic process is proportional to the consumed oxygen and the ratio can be approximately 1 CO2 (L) =cumulative flow value V of pure oxygen during diving O2 (L)。
S3, the controller 4 calculates that the carbon dioxide amount which can be absorbed by the carbon dioxide absorbent filled in the carbon dioxide absorbent tank 1 is Q 1 =m·q, where M represents the carbon dioxide absorbent loading in the carbon dioxide absorbent tank, the unit is kg, and q represents the absorption rate of the carbon dioxide absorbent.
S4, the controller 4 calculates the carbon dioxide generation quality
Carbon dioxide Density in reference State (0 ℃,1 atm)
Carbon dioxide density at arbitrary temperature θ (including 0 ℃), absolute pressure p (kPa)>
Calculated from the following formula:
s5, the controller 4 calculates Q 2 /Q 1 When the ratio does not reach a first set threshold (such as 65%), the alarm is not used for prompting, when the ratio reaches the first set threshold (such as 65%), the alarm is used for prompting first alarm information, the first alarm information is the alarm information that the carbon dioxide absorbent is used more than half, when the ratio reaches a second set threshold (such as 80%), the alarm is used for prompting second alarm information, the second alarm information is the alarm information that the carbon dioxide absorbent is used up soon and the diver is reminded of timely water outlet, and the second set threshold is larger than the first set threshold.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (2)
1. The circulating type scuba for judging the use condition of the carbon dioxide absorbent comprises a carbon dioxide absorbent tank, a primary pressure reducer and a passage switching valve, and is characterized by further comprising a controller and a flow sensor, wherein the flow sensor is arranged on a pipeline between the primary pressure reducer and the passage switching valve, and the flow sensor is electrically connected with the controller;
the flow sensor is used for detecting the accumulated flow value of pure oxygen in the pipeline, namely the oxygen consumption of the diver;
the controller is used for obtaining the carbon dioxide production V generated by the diver in the metabolic process based on the relationship that the carbon dioxide generated by the diver in the metabolic process is proportional to the consumed oxygen and the ratio can be approximately 1 CO2 (L) =cumulative flow value V of pure oxygen during diving O2 (L)；
The controller is used for calculating that the carbon dioxide absorbent filled in the carbon dioxide absorbent tank can absorb the carbon dioxide with the quantity Q 1 =m·q, where M represents the carbon dioxide absorbent loading in the carbon dioxide absorbent tank in kg, and q represents the absorption rate of the carbon dioxide absorbent;
the controller is used for calculating the carbon dioxide generation quality
Carbon dioxide Density in reference State (0 ℃,1 atm)
Carbon dioxide density at arbitrary temperature θ (including 0 ℃), absolute pressure p (kPa)>
Calculated from the following formula:
the controller is used for calculating Q 2 /Q 1 When the ratio does not reach the first set threshold, the alarm is not used for prompting, when the ratio reaches the first set threshold, the alarm is used for prompting first alarm information, the first alarm information is alarm information that the carbon dioxide absorbent is used more than half, when the ratio reaches the second set threshold, the alarm is used for prompting second alarm information, the second alarm information is alarm information that the carbon dioxide absorbent is used up soon and the diver is reminded of timely water outlet, and the second set threshold is larger than the first set threshold.
2. A method of determining carbon dioxide absorbent usage using the circulating scuba machine of claim 1, the method comprising the steps of:
s1, detecting an accumulated flow value of pure oxygen in a pipeline, namely oxygen consumption of a diver by the flow sensor;
s2, the controller obtains the carbon dioxide production V generated by the diver in the metabolic process based on the relationship that the carbon dioxide generated by the diver in the metabolic process is proportional to the consumed oxygen and the ratio can be approximately 1 CO2 (L) =cumulative flow value V of pure oxygen during diving O2 (L)；
S3, the controller calculates that the carbon dioxide amount which can be absorbed by the carbon dioxide absorbent filled in the carbon dioxide absorbent tank is Q 1 =m·q, where M represents the carbon dioxide absorbent loading in the carbon dioxide absorbent tank in kg, and q represents the absorption rate of the carbon dioxide absorbent;
s4, the controller calculates the carbon dioxide generation quality
Carbon dioxide Density in reference State (0 ℃,1 atm)
Carbon dioxide density at arbitrary temperature θ (including 0 ℃), absolute pressure p (kPa)>
Calculated from the following formula:
s5, the controller calculates Q 2 /Q 1 When the ratio does not reach the first set threshold, the alarm is not used for prompting, when the ratio reaches the first set threshold, the alarm is used for prompting first alarm information, the first alarm information is alarm information that the carbon dioxide absorbent is used more than half, when the ratio reaches the second set threshold, the alarm is used for prompting second alarm information, the second alarm information is alarm information that the carbon dioxide absorbent is used up soon and the diver is reminded of timely water outlet, and the second set threshold is larger than the first set threshold.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310088788.5A CN116039879A (en) | 2023-02-03 | 2023-02-03 | Circulating type scuba and method for judging use condition of carbon dioxide absorbent |
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| CN202310088788.5A CN116039879A (en) | 2023-02-03 | 2023-02-03 | Circulating type scuba and method for judging use condition of carbon dioxide absorbent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116890978A (en) * | 2023-08-28 | 2023-10-17 | 中国人民解放军海军特色医学中心 | Integrated agent tank for circulating type diving breathing apparatus and agent state detection method |
| CN117002704A (en) * | 2023-08-28 | 2023-11-07 | 中国人民解放军海军特色医学中心 | Integrated reactant tank for scuba and reaction time estimation method |
| CN117734910A (en) * | 2023-09-27 | 2024-03-22 | 中国人民解放军海军特色医学中心 | Reactant tank for circulating type scuba gear and use state monitoring method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116890978A (en) * | 2023-08-28 | 2023-10-17 | 中国人民解放军海军特色医学中心 | Integrated agent tank for circulating type diving breathing apparatus and agent state detection method |
| CN117002704A (en) * | 2023-08-28 | 2023-11-07 | 中国人民解放军海军特色医学中心 | Integrated reactant tank for scuba and reaction time estimation method |
| CN116890978B (en) * | 2023-08-28 | 2024-05-03 | 中国人民解放军海军特色医学中心 | Integrated agent tank for circulating type diving breathing apparatus and agent state detection method |
| CN117002704B (en) * | 2023-08-28 | 2024-05-28 | 中国人民解放军海军特色医学中心 | Integrated reactant tank for scuba and reaction time estimation method |
| CN117734910A (en) * | 2023-09-27 | 2024-03-22 | 中国人民解放军海军特色医学中心 | Reactant tank for circulating type scuba gear and use state monitoring method |
| CN117734910B (en) * | 2023-09-27 | 2024-05-24 | 中国人民解放军海军特色医学中心 | Reactant tank for circulating type scuba gear and use state monitoring method |
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Application publication date: 20230502 |