CN215155554U - Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system - Google Patents
Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system Download PDFInfo
- Publication number
- CN215155554U CN215155554U CN202120091661.5U CN202120091661U CN215155554U CN 215155554 U CN215155554 U CN 215155554U CN 202120091661 U CN202120091661 U CN 202120091661U CN 215155554 U CN215155554 U CN 215155554U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- tank
- valve
- water
- gas
- 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.)
- Active
Links
Images
Landscapes
- Drying Of Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a kilometer-level oxyhydrogen saturation submersible external circulation environmental control system, which comprises a hyperbaric chamber, wherein the hyperbaric chamber and a circulation tank form a circulation system through an air outlet pipeline and an air inlet pipeline; the circulating tank is internally provided with a filter and CO in sequence along the flowing direction of gas2The system comprises an absorber, an active carbon absorber, a condenser, a heat exchanger and an explosion-proof blower; a water collecting tank is arranged in the circulating tank and is connected with the water-vapor separation tank through a water-vapor pipeline; a cleaning pipeline is arranged on the gas outlet pipeline, and a nitrogen bottle is arranged at the end part of the cleaning pipeline; the hydrogen analyzer, the oxygen analyzer and the nitrogen analyzer which are connected in series are communicated with the circulating tank through a detection air inlet pipeline; all joints adopt sealed connection。
Description
Technical Field
The utility model relates to a kilometer level oxyhydrogen saturation dive extrinsic cycle environmental control system belongs to hyperbaric chamber environmental control technical field.
Background
The environmental control requirement of the cabin in the saturated diving living cabin is very high, and CO is2Moisture and temperature can all influence the diver's body, and a set of safe and reliable environmental control system is essential to the living cabin of saturation diving.
The diving chamber of kilometer level is interior for oxyhydrogen or hydrogen helium oxygen gas mixture, and wherein oxygen concentration does not exceed 2% to guarantee that hydrogen can not burn, use hydrogen in the diving chamber of kilometer level, because the density of hydrogen only has half of helium, the circulation is better, and respiratory resistance is lower, more is fit for the saturation dive of kilometer level. However, hydrogen is easy to explode, and reasonable control of the hydrogen concentration is critical. The technical personnel in the field are always studying how to ensure the control system for the environment control of the diving chamber at the kilometer level, and the main purpose is to provide a set of safe and effective environment control system for the dwelling chamber of the hydrogen-oxygen saturated diving at the kilometer level so as to remove CO2Removing peculiar smell, dehumidifying and controlling temperature.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a remove the interior CO in hyperbaric chamber2And peculiar smell, and provides a kilometer-level hydrogen and oxygen saturated diving external circulation environmental control system.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a kilometer-level hydrogen-oxygen saturation submersible external circulation environmental control system comprises a hyperbaric chamber, and is characterized in that the hyperbaric chamber and a circulation tank form a circulation system through an air outlet pipeline and an air inlet pipeline; the circulating tank is internally provided with a filter and CO in sequence along the gas flowing direction2The system comprises an absorber, an active carbon absorber, a condenser, a heat exchanger and an explosion-proof blower; the circulating tank is internally provided with a water collecting device for collecting water generated by the condenserA water collecting tank for dripping, wherein the bottom of the water collecting tank is provided with a water-gas pipeline connected with a water-gas separation tank; a bypass cleaning pipeline is arranged on the air outlet pipeline, a nitrogen bottle is arranged at the end part of the cleaning pipeline, and a pressure reducing valve Q, a ball valve Q and a flowmeter are also arranged on the cleaning pipeline; the hydrogen analyzer, the oxygen analyzer and the nitrogen analyzer which are connected in series are communicated with the circulating tank through a detection air inlet pipeline and are communicated with a water gas pipeline through a detection air outlet pipeline, the detection air inlet pipeline is also provided with a circulating tank analysis valve, the water gas pipeline is provided with a drain valve, and the detection air outlet pipeline is provided with a ball valve; all the joints are hermetically connected; the explosion-proof blower rotates to suck the mixed hydrogen and oxygen gas in the high-pressure chamber, and the mixed gas passes through the filter and CO2Adsorber and activated carbon adsorber for removing CO from mixed gas2And peculiar smell, gas-phase water vapor is converted into liquid-phase water drops through the condenser, the liquid-phase water drops fall into the water collecting tank, the humidity in the high-pressure mixed gas is reduced, the dried mixed gas is heated through the heat exchanger, and finally the liquid-phase water drops are conveyed to a high-pressure cabin through the explosion-proof blower.
The explosion-proof blower rotates to suck the mixed hydrogen and oxygen gas in the living cabin, and the mixed gas passes through the filter and CO2Adsorber and activated carbon filter for removing CO from mixed gas2And various odors, the gas phase steam is converted into liquid phase water drops through a condenser, the liquid phase water drops fall into a water collecting tank to reduce the humidity in the high-pressure mixed gas, the high-pressure mixed gas is conveyed to the living cabin through a heat exchanger (the dried mixed gas is heated), and finally the high-pressure mixed gas is conveyed to the living cabin through an air blower to realize cyclic reciprocation, so that the CO is removed from the living cabin2Removing peculiar smell, dehumidifying and regulating temperature.
On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:
further, a one-way valve C, a high-pressure valve C and an inlet temperature sensor C are mounted on the air outlet pipeline, and the inlet temperature sensor C is mounted at the front end of the inlet of the circulating tank.
Further, a pressure gauge and a safety valve are arranged on the circulating tank, and the safety valve is communicated with the gas recovery device through a pipeline.
Furthermore, a bypass pipeline is arranged on the air inlet pipeline and communicated with the gas recovery device, and a washing and filling valve P and a one-way valve P are arranged on the bypass pipeline.
Further, the water-vapor separation tank is provided with a pipeline communicated with the gas recovery device, a pipeline communicated with the detection gas inlet pipeline, and a water drain valve.
Further, a high-pressure ball valve J, an outlet temperature sensor J, a one-way valve J and a flame arrester are arranged on the air inlet pipeline; an outlet temperature sensor J is mounted at the outlet end of the circulation tank.
The circulating tank is arranged outside the high-pressure cabin.
The utility model has the advantages that:
the outdoor circulation is adopted, and the fire arrestor is arranged in the pipeline, so that the potential safety hazard is reduced to the maximum extent, the noise in the cabin is reduced, and the comfort level in the high-pressure cabin is improved;
the external circulation environmental control system is sealed in an independent circulation tank, so that external connection is isolated, and safety inside and outside the cabin is ensured;
the nitrogen tank washing operation is provided with a gas analyzer, so that the potential safety hazard of tank opening is reduced to the maximum extent and the air quality in the hyperbaric chamber is ensured;
the high-power explosion-proof blower can drive the high-pressure mixed gas to circulate more efficiently, and the quality of the mixed gas in the cabin is improved.
Drawings
Fig. 1 is a schematic structural view of a kilometer level oxyhydrogen saturation submersible external circulation environmental control system.
The reference numbers are recorded as follows: 1. a check valve C; 2. a high pressure valve C; 3. a circulation tank; 4. a pressure gauge; 5, a safety valve; 6. a filter; CO2An adsorber; 8. an activated carbon adsorber; 9. a condenser; 10. a heat exchanger; 11. an explosion-proof blower; 12. a high-pressure ball valve J; 13. a flame arrestor; 14. a one-way valve; 15. a gas recovery valve; 16. an inlet temperature sensor C; 17. an outlet temperature sensor J; 18. a water collection tank; 19. a drain valve; 20. a water-vapor separation tank; 21. a water drain valve; 22. a one-way valve P; 23. a high-pressure helium tank; 24. a pressure reducing valve; a ball valve; 26. a washing and filling valve P; 27. a recycle tank analysis valve; 28. a hydrogen analyzer; 29. ball valve(ii) a 30. A pressure sensor; 31. a flow meter; 32. a drain tank analysis valve; 33. an oxygen analyzer; 34. a check valve J; an air bleed valve; 36. a nitrogen analyzer; 101. a gas recovery device.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
With reference to fig. 1, a kilometer hydrogen and oxygen saturation diving external circulation environmental control system comprises a high pressure cabin 100, the high pressure cabin 100 forms a circulation system with a circulation tank 3 through an air outlet pipeline and an air inlet pipeline,
a one-way valve C1, a high-pressure valve C2 and an inlet temperature sensor C16 are arranged on the air outlet pipeline, the inlet temperature sensor C16 is arranged at the front end of the inlet of the circulating tank 3,
a high-pressure ball valve J12, a one-way valve J34, an outlet temperature sensor J17 and a flame arrester 13 are arranged on the air inlet pipeline, a bypass pipeline is arranged on the air inlet pipeline and communicated with the gas recovery device 101, and a washing and filling valve P26 and a one-way valve P22 are arranged on the bypass pipeline; an outlet temperature sensor J17 is close to the outlet end of the circulating tank 3;
the circulating tank 3 is internally provided with a filter 6 and CO in sequence along the gas flowing direction2The system comprises an adsorber 7, an activated carbon adsorber 8, a condenser 9, a heat exchanger 10 and an explosion-proof blower 11; a water collecting tank 18 for collecting water drops generated by the condenser 9 is arranged in the circulating tank 3, and a water-vapor pipeline connected with a water-vapor separation tank 20 is arranged at the bottom of the water collecting tank 18; a pressure gauge 4 and a safety valve 5 are arranged on the circulating tank 3, and the safety valve 5 is communicated with the gas recovery device 101 through a pipeline;
a cleaning pipeline is arranged on the air outlet pipeline, a nitrogen cylinder 23 is arranged at the end part of the cleaning pipeline, and a pressure reducing valve Q24, a ball valve Q25 and a flowmeter 31 are also arranged on the cleaning pipeline;
the hydrogen analyzer 28, the oxygen analyzer 33 and the nitrogen analyzer 36 which are connected in series are communicated with the circulating tank 3 through a detection air inlet pipeline and are communicated with a water-gas pipeline through a detection air outlet pipeline, the circulating tank analysis valve 27 is further arranged on the detection air inlet pipeline, a drain valve 19 is arranged on the water-gas pipeline, and a ball valve 29 is arranged on the detection air outlet pipeline; all the joints are hermetically connected;
the explosion-proof blower 11 rotates to suck the mixed gas of hydrogen and oxygen in the high-pressure chamber, and the mixed gas passes through the filter 6 and CO2An adsorber 7 and an activated carbon adsorber 8 for removing CO from the mixed gas2And peculiar smell, gas-phase water vapor is converted into liquid-phase water drops through the condenser 9, the liquid-phase water drops fall into the water collecting tank 18, the humidity in the high-pressure mixed gas is reduced, the dried mixed gas is heated through the heat exchanger 10, and finally the liquid-phase water drops are conveyed to a high-pressure cabin through the explosion-proof blower 11.
Wherein the water vapor separation tank 20 is provided with a pipe communicating with the gas recovery device 101, a pipe communicating with the detection intake pipe, and a water drain valve 21.
The operation of the system is as follows:
a gas circulation device: the explosion-proof blower 11 rotates to drive the gas in the living cabin to enter the circulating tank 3 through the one-way valve C1 and the high-pressure valve C2 in sequence, and the gas passes through the filter 6 and the CO in sequence2The absorber 7, the activated carbon absorber 8, the condenser 9 and the heat exchanger 10 are blown out of the circulating tank by the explosion-proof blower 11, and then return to the living cabin through the high-pressure ball valve J12, the one-way valve J34 and the flame arrester 13 to perform reciprocating circulation, so that the CO in the gas in the living cabin is removed2Removing peculiar smell, dehumidifying and controlling temperature. An inlet temperature sensor C16 and an outlet temperature sensor J17 are respectively arranged at the front end and the rear end of the circulating tank to indicate the temperature; the circulating tank is provided with a pressure gauge 4, a safety valve 5 and a pressure sensor 30 to indicate the pressure in the tank and protect safety, and a discharge port of the safety valve 5 cannot be directly discharged into the atmosphere and needs to enter the gas recovery device 101 through a one-way valve 14 and a gas recovery valve 15. And the cold and hot water inlet and outlet are connected to external cold and hot water pipes, and the temperature in the living cabin is regulated and controlled through a single set of system, which is not described herein any more.
And (3) discharging condensed water: gas in the tank passes through the condenser 9, gas-phase steam is condensed into liquid-phase water drops, the liquid-phase water drops fall into the water collecting tank 18, the drain valve 19 is opened periodically, condensed water enters the steam-water separation tank 20, the condensed water discharge pipeline needs to have certain inclination, the position of the steam-water separation tank 20 is the lowest point, and only after the tank washing is completed, the water valve at the bottom of the steam-water separation tank can be opened for draining.
Washing a tank and replacing a filter: the filter here comprises a filter 6, CO2Adsorber 7, activated carbon adsorber 8, for improving air quality CO in living room2The adsorber 7 and the activated carbon adsorber 8 need to be replaced at regular time, and because high-concentration hydrogen exists in the tank, the tank washing operation needs to be carried out before the filter is replaced, and the filter can be replaced only after the tank washing operation is finished and the hydrogen concentration analysis is carried out to ensure safety.
The tank washing operation flow is as follows: firstly opening a standby external circulation environment control system, then closing a high-pressure ball valve J12 of the system, then closing a high-pressure valve C2, disconnecting the connection between the environment control system and a living cabin, opening a washing and filling valve P26, leading high-pressure gas in the tank to flow to a gas recovery device 101 through a one-way valve P22, observing the pressure change in the tank, when the pressure is not reduced any more, opening a gas bottle valve of a high-pressure nitrogen bottle 23, adjusting a pressure reducing valve 24, adjusting the pressure to be 0.1MPa higher than the pressure in the tank, properly adjusting according to actual conditions, opening a ball valve 25, ensuring that nitrogen with at least twice tank volume flows into the circulation tank according to the indication of a flow meter 24, then closing the ball valve 25, opening an analysis valve 27 of the circulation tank, detecting that the content of hydrogen in the tank is lower than 2%, then closing the washing and filling valve 26, opening a drain valve 19, cleaning a water vapor separation tank 20, after cleaning, opening the analysis valve 27 of the drain tank to detect the concentration of the hydrogen in the water tank, and opening the water drain valve 21 to prevent water after the water is qualified.
After the filter is replaced, secondary cabin washing operation is carried out on the circulating tank again, the oxygen concentration in the detection tank cannot exceed 2% through the oxygen concentration analyzer 33, and gas in the cabin washing can be directly discharged through the air discharge valve 35 at the moment.
The outer circulation environment control system is connected with the living cabin again: and closing a valve for tank washing operation, firstly opening the high-pressure valve C2, and performing third washing and filling operation on the circulating tank by using mixed gas in the living cabin, wherein gas discharged by the tank washing operation needs to enter a gas recovery device. After the nitrogen concentration is lower than 0.1% after the tank washing is detected, a valve for tank washing operation is closed, mixed gas in the living cabin is used for slowly pressurizing the circulating tank until the pressure in the tank is consistent with that in the living cabin, the high-pressure ball valve J12 is opened, the connection is finished, and the environment-friendly control system of the air blower is powered on and opened to be used.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A kilometer-level hydrogen-oxygen saturation submersible external circulation environmental control system comprises a hyperbaric chamber (100), and is characterized in that the hyperbaric chamber (100) and a circulation tank (3) form a circulation system through an air outlet pipeline and an air inlet pipeline; the circulating tank (3) is internally provided with a filter (6) and CO in sequence along the gas flowing direction2The device comprises an adsorber (7), an activated carbon adsorber (8), a condenser (9), a heat exchanger (10) and an explosion-proof blower (11); a water collecting tank (18) for collecting water drops generated by the condenser (9) is arranged in the circulating tank (3), and a water-vapor pipeline connected with a water-vapor separation tank (20) is arranged at the bottom of the water collecting tank (18); a bypass cleaning pipeline is arranged on the air outlet pipeline, a nitrogen cylinder (23) is arranged at the end part of the cleaning pipeline, and a pressure reducing valve Q (24), a ball valve Q (25) and a flow meter (31) are also arranged on the cleaning pipeline; the hydrogen analyzer (28), the oxygen analyzer (33) and the nitrogen analyzer (36) which are connected in series are communicated with the circulating tank (3) through a detection air inlet pipeline and communicated with a water-gas pipeline through a detection air outlet pipeline; all joints adopt sealed connection.
2. The kilometer hydrogen and oxygen saturation diving external circulation environment control system as claimed in claim 1, wherein a one-way valve C (1), a high pressure valve C (2) and an inlet temperature sensor C (16) are installed on the gas outlet pipeline, and the inlet temperature sensor C (16) is installed at the front end of the inlet of the circulation tank (3).
3. The kilometer hydrogen and oxygen saturation diving external circulation environment control system as claimed in claim 1 or 2, wherein a pressure gauge (4) and a safety valve (5) are arranged on the circulation tank (3), and the safety valve (5) is communicated with the gas recovery device (101) through a pipeline.
4. The kilometer hydrogen and oxygen saturation diving external circulation environment control system as claimed in claim 1 or 2, wherein a bypass pipeline is arranged on the gas inlet pipeline and communicated with a gas recovery device (101), and a washing and filling valve P (26) and a one-way valve P (22) are arranged on the bypass pipeline.
5. The kilometer hydrogen saturation diving external circulation environmental control system as recited in claim 1 or 2, characterized in that said water vapor separation tank (20) is provided with a pipeline communicated with a gas recovery device (101), a pipeline communicated with a detection intake pipeline, and a water drain valve (21).
6. The kilometer hydrogen saturation diving external circulation environmental control system as set forth in claim 1, wherein a high pressure ball valve J (12), an outlet temperature sensor J (17), a one-way valve J (34) and a flame arrester (13) are arranged on the gas inlet pipeline; an outlet temperature sensor J (17) is installed at the outlet end of the circulation tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091661.5U CN215155554U (en) | 2021-01-13 | 2021-01-13 | Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120091661.5U CN215155554U (en) | 2021-01-13 | 2021-01-13 | Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215155554U true CN215155554U (en) | 2021-12-14 |
Family
ID=79403341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120091661.5U Active CN215155554U (en) | 2021-01-13 | 2021-01-13 | Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215155554U (en) |
-
2021
- 2021-01-13 CN CN202120091661.5U patent/CN215155554U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106894863A (en) | A kind of automobile emission gas analyzer and processing system | |
| CN112722222A (en) | Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system | |
| CN110444309B (en) | Nuclear facility radioactive process waste gas treatment system | |
| CN215155554U (en) | Kilometer-level hydrogen-oxygen saturation submersible external circulation environment control system | |
| CN101093092A (en) | Air conditioner | |
| CN209215026U (en) | Sulfuric acid mist sampling apparatus in a kind of exhaust gas | |
| CN207913385U (en) | A kind of electrolysis natural gas dust processing equipment | |
| CN208694613U (en) | A kind of nitrogen desorption condensate recycling device | |
| CN201409875Y (en) | Dust collector | |
| CN109351123B (en) | VOC adsorption equipment capable of measuring VOC concentration on line and use method thereof | |
| CN206414938U (en) | A kind of ammonia absorption device | |
| CN202414549U (en) | Absorbing device for tail gas of ammonia water storage tank | |
| CN105064457B (en) | A kind of energy-saving air water-producing apparatus | |
| CN209612536U (en) | A kind of device of Adsorption Concentration and catalysis burning coupling processing VOCs exhaust gas | |
| CN211886117U (en) | Tail gas treatment system and coating equipment | |
| CN110203573A (en) | A kind of collection system and method for oil product storage tank volatile organic matter | |
| CN210690531U (en) | Continuous detection device for smoke emission | |
| CN204286880U (en) | A kind of pollution source VOC sampler | |
| CN107444795B (en) | Industrial wastewater accident tank waste gas collection device and method | |
| CN209880176U (en) | System for tritium removal from high humidity air | |
| CN209607429U (en) | The Spent Radioactive gas processing system of marine floating nuclear power platform | |
| CN208109519U (en) | Anti-suck back type gas sampling device | |
| CN102225294A (en) | Method for filtering out radon | |
| CN207922175U (en) | Efficient flue gas waste heat utilizes steam boiler | |
| CN201257313Y (en) | Microwave decompression condensation bromomethane recovering system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |