CN214233546U - Constant-temperature humidification system for quantitative evaporation mixed gas - Google Patents
Constant-temperature humidification system for quantitative evaporation mixed gas Download PDFInfo
- Publication number
- CN214233546U CN214233546U CN202021027108.7U CN202021027108U CN214233546U CN 214233546 U CN214233546 U CN 214233546U CN 202021027108 U CN202021027108 U CN 202021027108U CN 214233546 U CN214233546 U CN 214233546U
- Authority
- CN
- China
- Prior art keywords
- gas
- evaporation
- steam
- evaporating
- temperature
- 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
Abstract
The utility model discloses a ration evaporation mist constant temperature humidification system, the storage water tank passes through the inlet channel with evaporation speed governing pump and is connected, evaporation speed governing pump passes through water supply pipe with evaporation coil's water inlet and is connected, evaporation coil coils on the evaporation heater in the evaporating pot, evaporation coil's steam outlet and the gas steam blending tank that has gas heater pass through steam pipe and connect, gas steam blending tank air inlet passes through inlet channel and external gas connection, the gas outlet of gas steam blending tank is connected with the pipeline of giving vent to anger. The utility model discloses but the accurate control liquid mass flow, and then the accurate control adds the wet volume, provides reliable assurance for accurate humidification. The liquid can be efficiently and completely changed into a gaseous state (vaporization), a liquid stagnation area does not exist in the evaporation coil, steam generated by complete vaporization and gas to be mixed are completely mixed in the evaporation coil, the vapor and the gas to be mixed become constant-temperature and constant-humidity gas through the mixing tank, and when water in the water storage tank is changed into other liquid, the system becomes a constant-temperature and constant-proportion system for quantitatively vaporizing mixed gas.
Description
Technical Field
The utility model relates to a gaseous humidification system especially relates to a ration evaporation mist constant temperature humidification system, belongs to industrial technology field.
Background
In modern chemical industry, pharmacy, food, new energy and scientific experiments, water vapor is often added into gas (such as air, hydrogen, nitrogen, oxygen and the like) in a certain mass, and the gas is mixed and heated to form constant-temperature and constant-humidity gas. Traditional humidification evaporation system can't accurate control to the humidification mass flow who gets into humidification evaporation system, contains liquid water smoke moreover in the wet gas often, can't reach the humiture precision and the response speed that production technology required, brings a great deal of adverse effect for production, manufacturing, experiment.
The existing bubbling, spraying and steam gas humidifying system can not ensure that the water in the obtained humidifying gas is completely in a steam state, the existing humidifying system can not ensure the precision of mass flow and the response speed, and the existing gas constant-temperature humidifying system which can be added with steam and can quickly respond and has fixed mass flow is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a can decide the humidification system that mass flow added vapor in to required gas, water evaporates completely in the evaporating coil, does not have the liquid detention district in the evaporating coil, can realize the accurate control and the quick response of humidification volume through the mass flow of accurate regulation treating the evaporating water, the steam that produces after the complete evaporation with treat to form the gas of constant temperature and humidity behind the gaseous intensive mixing constant temperature of humidification.
The constant-temperature humidification system for the quantitative evaporation mixed gas is characterized in that a water storage tank is connected with an evaporation speed regulating pump through a water inlet pipeline, the evaporation speed regulating pump is used for controlling the mass flow of inlet water by regulating the evaporation speed regulating pump, the evaporation speed regulating pump is connected with a water inlet of an evaporation coil through a water supply pipeline, the evaporation coil is wound on an evaporation heater in an evaporation tank, a steam outlet of the evaporation coil is connected with a gas-steam mixing tank with the gas heater through a steam pipeline, an air inlet of the gas-steam mixing tank is connected with external gas through the air inlet pipeline, and an air outlet of the gas-steam mixing tank is connected with an air outlet pipeline.
In order to prevent water from flowing back, a check valve is arranged between the evaporation speed regulating pump and the evaporation coil.
Further optimizing, the evaporation speed regulating pump adopts a gear pump.
Further optimization, the difference between the temperature of the inner surface of the evaporation coil and the steam saturation temperature under corresponding pressure is less than 50 ℃, namely, the liquid is completely evaporated when the evaporation excess temperature is less than 50 ℃, the evaporation process and the gas constant temperature process are stable, the steam mass flow precision is +/-1%, and the gas temperature precision after mixing is +/-0.5 ℃. The accuracy of the relative humidity is +/-3%.
Further optimization, the evaporating pot is provided with an evaporating temperature sensor, and the air outlet pipeline is provided with an air temperature sensor and an air humidity sensor.
Further optimized, the evaporation coil adopts a metal pipe.
Further optimization, the rotating speed of the evaporation speed regulating pump is automatically regulated by PID according to the humidity setting, the evaporation heater is automatically regulated by PID according to the evaporation temperature setting, and the gas heater is automatically regulated by PID according to the gas temperature setting.
Further optimizing, the tank body of the evaporating tank, the tank body of the gas-steam mixing tank, the steam pipeline, the gas inlet pipeline and the gas outlet pipeline are all provided with heat preservation layers.
The external gas can be air, nitrogen, hydrogen, oxygen, etc.
Further optimization, when the water in the water storage tank is changed into other liquid, the system is changed into a constant-temperature and constant-proportion system for quantitatively evaporating mixed gas.
The utility model has the advantages that: 1. the quantitative evaporation mixed gas constant-temperature humidification system adjusts the rotating speed of the gear pump, can accurately control the water quantity, further accurately controls the humidification quantity, and provides reliable guarantee for accurate humidification.
2. The evaporation coil in the constant-temperature humidification system for quantitatively evaporating the mixed gas can efficiently and completely change water into a gas state (vaporization), a liquid retention area does not exist in the evaporation coil, the liquid supply amount of the coil is the evaporation amount, and the rapid dynamic accurate controllability of the evaporation amount, the steam dryness, the steam pressure and the steam temperature is further realized.
3. The gas-steam mixing tank in the quantitative evaporation mixed gas constant-temperature humidifying system completely mixes water vapor generated by complete evaporation with gas to be humidified in the gas-steam mixing tank, and the internal gas heater controls the gas temperature and simultaneously ensures that the mixed water vapor is not condensed, so that the gas to be humidified becomes constant-temperature and constant-humidity gas through the mixing tank.
Drawings
Fig. 1 is a schematic structural diagram of a constant-temperature humidification system for quantitatively evaporating mixed gas.
The labels in the figure are: 1-a water storage tank, 2-a water inlet pipeline, 3-an evaporation speed regulating pump, 4-a water supply pipeline, 5-a check valve, 6-an evaporation tank, 7-an evaporation coil, 8-an evaporation temperature sensor, 9-an evaporation heater, 10-a steam pipeline, 11-a gas-steam mixing tank, 12-a gas heater, 13-a gas temperature sensor, 14-a gas humidity sensor, 15-a gas inlet pipeline and 16-a gas outlet pipeline.
Detailed Description
The constant-temperature humidification system for quantitative evaporation mixed gas is further described with reference to the accompanying drawings.
This kind of ration evaporation mist constant temperature humidification system, storage water tank 1 passes through inlet channel 2 with evaporation speed regulating pump 3 to be connected, controls into the mass flow of water through adjusting evaporation speed regulating pump 3, and evaporation speed regulating pump 3 passes through water supply pipe 4 with the water inlet of evaporating coil 7 to be connected, and evaporation speed regulating pump 3 adopts the gear pump, and evaporating coil 7 coils on evaporating heater 9 in evaporating pot 6, and evaporating coil 7 adopts the tubular metal resonator. The steam outlet of the evaporation coil 7 is connected with a gas-steam mixing tank 11 with a gas heater 12 through a steam pipeline 10, the gas inlet of the gas-steam mixing tank 11 is connected with the external gas through a gas inlet pipeline 15, the external gas is the gas needing humidification and can be various gases such as air, nitrogen, hydrogen, oxygen and the like, the gas outlet of the gas-steam mixing tank 11 is connected with a gas outlet pipeline 16, and a gas temperature sensor 13 and a gas humidity sensor 14 are arranged on the gas outlet pipeline 16.
In order to prevent water from flowing back, a check valve 5 is arranged between the evaporation speed regulating pump 3 and the evaporation coil 7.
The evaporation tank 6 is provided with an evaporation temperature sensor 8.
The difference between the temperature of the inner surface of the evaporation coil and the saturation temperature of the steam under the corresponding pressure is less than 50 ℃, namely the residual evaporation temperature is less than 50 ℃, the liquid is completely evaporated, the evaporation process and the constant temperature process are stable, the precision of the mass flow of the steam is +/-1%, the precision of the temperature after mixing is +/-0.5 ℃, and the precision of the relative humidity is +/-3%.
And the evaporation speed regulating pump rotates 3 times to carry out PID automatic regulation according to the humidity setting. The evaporation heater 9 performs PID automatic adjustment according to evaporation temperature setting, and the gas heater 12 performs PID automatic adjustment according to gas temperature setting.
The tank body of the evaporating tank 6, the tank body of the gas-steam mixing tank 11, the steam pipeline 10, the air inlet pipeline 15 and the air outlet pipeline 16 are all provided with heat preservation layers, so that the heat loss in the process of water evaporation and gas-steam mixing is reduced, and the system is stable and accurate.
The external air can be introduced with air, nitrogen, hydrogen and oxygen, the liquid in the water storage tank 1 can be water or other liquids, and the evaporation and mixing of the gas and the liquid required in various fields of chemical industry, pharmacy, medical treatment and the like can be realized, and the constant temperature is maintained after the mixing.
As shown in fig. 1: the device is provided with a water storage tank 1, the rotating speed of a gear pump is regulated according to the deviation PID of the gas target humidity and the value of a gas humidity sensor 14, water in the water storage tank 1 is quantitatively conveyed into an evaporation coil 7 in an evaporation tank 6 through a water inlet pipeline 2 and a water supply pipeline 4, a check valve 5 on the water supply pipeline 4 prevents backflow caused by pressure influence in the water evaporation coil 7, the evaporation coil 7 is wound on an evaporation heater 9 in a spiral mode, liquid can be completely evaporated when the difference between the inner surface temperature of the evaporation coil and the steam saturation temperature under corresponding pressure is less than 50 ℃, the evaporation process and the constant temperature process are stable, the steam mass flow precision is +/-1%, the temperature precision after mixing is +/-0.5 ℃, and the relative humidity precision is +/-3%.
The evaporation temperature sensor 8 controls the evaporation heater 9 to completely evaporate quantitative water in the evaporation coil 7 to generate steam, the steam enters the gas-steam mixing tank 11 through the steam pipeline 10 and is mixed with gas to be humidified entering the gas-steam mixing tank 11 through the gas inlet pipeline 15 to be heated, in the mixing process, the gas temperature sensor 13 controls the gas heater 12, the steam and the dry gas are mixed and heated to the required temperature, and the gas is finally required constant-temperature and constant-humidity gas after the mixing and heating are completed through the gas outlet pipeline 16.
The constant-temperature humidification system for the quantitative evaporation mixed gas can accurately and quickly control the water quantity by adjusting the rotating speed of the gear pump, further accurately control the humidification quantity, and provide reliable guarantee for accurate humidification.
The evaporation coil 7 in the quantitative evaporation mixed gas constant-temperature humidification system can efficiently and completely change water into a gas state (vaporization), a liquid retention area does not exist in the evaporation coil 7, the liquid supply amount of the coil is the evaporation amount, and the rapid, dynamic, accurate and controllable liquid evaporation amount, steam dryness, steam pressure and steam temperature are further realized.
In the gas-steam mixing tank 11 of the constant-temperature humidification system for quantitatively evaporating the mixed gas, water vapor generated by complete evaporation and the gas to be humidified are completely mixed in the gas-steam mixing tank, and the internal gas heater 12 controls the temperature of the gas and simultaneously ensures that the mixed water vapor is not condensed, so that the gas to be humidified becomes the gas with constant temperature and humidity through the gas-steam mixing tank 11.
The foregoing illustrates and describes the principles, general structure, and advantages of the present invention. It will be understood by those skilled in the art that variations and modifications in size, orientation, media, etc., may be made without departing from the spirit and scope of the invention, and these variations and modifications are within the scope of the invention as claimed.
Claims (9)
1. The constant temperature humidification system for quantitatively evaporating mixed gas is characterized in that: the water storage tank is connected with the evaporation speed regulating pump through a water inlet pipeline, the evaporation speed regulating pump is connected with a water inlet of the evaporation coil pipe through a water supply pipeline, the evaporation coil pipe is wound on an evaporation heater in the evaporation tank, a steam outlet of the evaporation coil pipe is connected with a gas-steam mixing tank with the gas heater through a steam pipeline, a gas inlet of the gas-steam mixing tank is connected with external gas through a gas inlet pipeline, and a gas outlet of the gas-steam mixing tank is connected with a gas outlet pipeline.
2. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: and a check valve is arranged between the evaporation speed regulating pump and the evaporation coil.
3. The system for the constant-temperature humidification of a quantitative evaporation mixed gas according to claim 1 or 2, characterized in that: the evaporation speed regulating pump adopts a gear pump.
4. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: the difference between the temperature of the inner surface of the evaporation coil and the steam saturation temperature under the corresponding pressure is less than 50 ℃.
5. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: the evaporation coil adopts a metal pipe.
6. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: the evaporating pot is provided with an evaporating temperature sensor, and the air outlet pipeline is provided with an air temperature sensor and an air humidity sensor.
7. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: the rotating speed of the evaporation speed regulating pump is automatically regulated by PID according to the humidity setting, the evaporation heater is automatically regulated by PID according to the evaporation temperature setting, and the gas heater is automatically regulated by PID according to the gas temperature setting.
8. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: the tank body of the evaporating tank, the tank body of the gas-steam mixing tank, the steam pipeline, the gas inlet pipeline and the gas outlet pipeline are all provided with heat preservation layers.
9. The system for quantitatively evaporating and thermostatically humidifying mixed gas as claimed in claim 1, characterized in that: the external gas can be air, nitrogen, hydrogen or oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021027108.7U CN214233546U (en) | 2020-06-05 | 2020-06-05 | Constant-temperature humidification system for quantitative evaporation mixed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021027108.7U CN214233546U (en) | 2020-06-05 | 2020-06-05 | Constant-temperature humidification system for quantitative evaporation mixed gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214233546U true CN214233546U (en) | 2021-09-21 |
Family
ID=77714127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021027108.7U Active CN214233546U (en) | 2020-06-05 | 2020-06-05 | Constant-temperature humidification system for quantitative evaporation mixed gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214233546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870754A (en) * | 2022-04-26 | 2022-08-09 | 核工业理化工程研究院 | Device and method for generating humid gas |
-
2020
- 2020-06-05 CN CN202021027108.7U patent/CN214233546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870754A (en) * | 2022-04-26 | 2022-08-09 | 核工业理化工程研究院 | Device and method for generating humid gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230049982A1 (en) | Humidification control system and method for ventilation therapy apparatus | |
| TWI509101B (en) | Method and apparatus for gas delivery | |
| AU2021282450A1 (en) | Humidification breathing apparatus control | |
| CN214233546U (en) | Constant-temperature humidification system for quantitative evaporation mixed gas | |
| EP0659446A1 (en) | Anaesthetic vaporiser | |
| CN101239214B (en) | Equipment and method for supplying moisture respiration gas | |
| SE537376C2 (en) | Anesthesia Evaporator System and Procedure | |
| CN107497309A (en) | A kind of liquid fuel and gas homogeneous charge forming apparatus and method | |
| CN208839370U (en) | A kind of ammonium hydroxide vapourizing unit using fume afterheat | |
| CN106232148B (en) | Pollutant-removing system | |
| JP2013108652A (en) | Air conditioning method, and air conditioner | |
| US20240093639A1 (en) | Gas turbine plant, and method for supplying fuel to same | |
| CN109324157B (en) | Simulated smoke preparation method and water adding device for simulated smoke test | |
| CN105487377A (en) | Fuzzy controller of denitrated urea pyrolysis process | |
| US20020070465A1 (en) | Water conservation system for humidifiers | |
| JP2021055868A (en) | Boiler plant, power generation plant, and control method of boiler plant | |
| JP6981614B2 (en) | Drying / concentration system | |
| CN217361672U (en) | Constant temperature humidification system for direct mixing quantitative evaporation gas in fuel cell test | |
| CN110926241A (en) | Heat exchanger and method of using same | |
| CN211913379U (en) | Gas-liquid two-phase mixing dynamic gas distribution system | |
| JP4177600B2 (en) | Air conditioning control method and air conditioning control device | |
| JP6981613B2 (en) | Drying / concentration system | |
| CN213845339U (en) | Gas humidifying system | |
| RU2730333C1 (en) | Odorant evaporator | |
| CN109569338A (en) | A kind of vapoury multicomponent standard-gas generating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |