CN114384944A - Stable humidity generating device based on permeation tube - Google Patents
Stable humidity generating device based on permeation tube Download PDFInfo
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- CN114384944A CN114384944A CN202210040922.XA CN202210040922A CN114384944A CN 114384944 A CN114384944 A CN 114384944A CN 202210040922 A CN202210040922 A CN 202210040922A CN 114384944 A CN114384944 A CN 114384944A
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D22/02—Control of humidity characterised by the use of electric means
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Abstract
The invention relates to the technical field of humidity generators, and discloses a stable humidity generating device based on a permeation tube, which comprises: the device comprises a gas humidity generation water tank, a permeation tube and a baffling device, wherein the permeation tube is a hollow polymer tube or a hollow fiber tube, enters the gas humidity generation water tank in a U shape and is coiled at the lower side of the gas humidity generation water tank, and deionized water is stored outside the permeation tube; baffle device fixed set up in the inboard bottom of water tank takes place for gas humidity, baffle device sets up the inner wall of water tank takes place for gas humidity the bottom with between the infiltration pipe, when gas humidity takes place the water tank about the partial temperature tend to the same, baffle device changes into two bow-shapes by single bow-shaped, increases device compressive capacity, extension device life, baffle device changes into single bow-shaped by two bow-shaped again when the upper and lower part difference in temperature is too big, increases heat transfer efficiency, makes the rapid heating of deionized water temperature even.
Description
Technical Field
The invention relates to the technical field of humidity generators, in particular to a stable humidity generating device based on a permeation tube.
Background
The measurement of humidity has been widely applied to all walks of life, and in industry environmental protection field, humidity is as an important parameter in the flue gas monitoring to in the CEMS system, the measured value of humidity participates in the conversion of pollutant emission concentration, and humidity measurement's accuracy has important meaning to pollutant emission total amount management and control and environmental protection and governance.
Humidity monitoring in the CEMS system adopts humidity probes of different principles to monitor the humidity of flue gas in real time, and along with long-time use, the accuracy of humidity probe measurement can produce measuring error because of the interference of various factors. Therefore, it is necessary to periodically confirm and verify the measurement accuracy of the humidity probe, which is usually verified by using a stable humidity generating device based on a permeation tube to generate different humidity. The humidity generator is a device capable of generating airflow with constant water vapor content under a certain condition, and the water vapor content can be accurately controlled and adjusted, and meanwhile, the flow and the temperature of the moisture airflow can be accurately controlled.
At present, the bubbling method that current humidity generating device majority all adopted carries out the humidification, is the gas that produces certain humidity with gaseous aqueous solution through the uniform temperature, but this mode receives the restriction of gas flow and aqueous solution temperature, can not produce the moisture in the great range, and humidity is wayward, easily appears the condensation phenomenon, causes ponding scheduling problem in the pipeline, leads to can not satisfying different operational environment demands.
The patent CN202121679766.9 provides a gas humidity generator, which lacks the arrangement of baffle plates in the humidification process, which can make deionized water not form turbulence and have low heat transfer efficiency, resulting in that a permeation tube can not effectively humidify air, the baffle plates can be arranged in the existing gas humidity generation water tank to form turbulence, but the existing gas humidity generation water tank can be often arranged in a single arch shape or a double arch shape, the heat transfer efficiency is high when the existing gas humidity generation water tank is arranged in the single arch shape, but the pressure bearing capacity is poor, the problem of short service life can be caused, when the existing gas humidity generation water tank is arranged in the double arch shape, the pressure bearing capacity is good, the service life is long, but the heat transfer efficiency is poor, and the problem of uneven heating of liquid can be caused.
Therefore, based on the problems, the invention provides a stable humidity generating device based on a permeation tube, which can meet the requirements of different working environments.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a stable humidity generating device based on a permeation tube, which can stably and accurately generate gases with different flow rates and humidity.
In order to achieve the purpose, the invention provides the following technical scheme: stable humidity generating device based on infiltration pipe includes: the device comprises a preheating tank, a permeation tube, a gas mixing tank and a gas humidity generation water tank; the permeation tube is arranged inside the gas humidity generation water tank, one end of the permeation tube is communicated with the preheating tank, the other end of the permeation tube is communicated with the gas mixing tank, and deionized water is stored in the gas humidity generation water tank; the preheating cabinet lets in dry gas in the infiltration pipe, form the humidity difference inside and outside the infiltration pipe, because the infiltration pipe has hydrophilicity, lets in the moisture that dry gas in the infiltration pipe has formed certain concentration discharges into in the gas mixing box, and the stable humidity generating device based on the infiltration pipe produces the moisture of controllable humidity, constant flow in humidity takes place the flow.
Preferably, the gas humidity measuring device further comprises two gas humidity measuring boxes, the two preheating boxes are fixedly connected, a first connecting pipeline is connected between the gas humidity measuring boxes and the gas mixing box, the gas humidity generating water box is arranged on the lower side of the preheating boxes, a fourth connecting pipeline is communicated between the preheating boxes and the gas mixing box, a second connecting pipeline is communicated between the preheating boxes and the gas humidity generating water box, and a third connecting pipeline is communicated between the gas mixing boxes and the gas humidity generating water box; still include the infiltration pipe, the infiltration pipe sets up inside the gas humidity reaction water tank, infiltration pipe one end with the second connecting line is connected.
Preferably, the permeation tube is a hollow polymer tube or a hollow fiber tube, the permeation tube enters the gas humidity generation water tank in a U shape and is coiled at the lower side of the gas humidity generation water tank, and deionized water is stored outside the permeation tube.
Preferably, the gas humidity generating device further comprises an electric heater and a temperature sensor, wherein the electric heater is arranged on the lower side of the gas humidity generating water tank, the temperature sensor is arranged on the lower side of the electric heater, and the gas humidity generating water tank is internally provided with an electric heaterA heating system capable of heating the deionized water in the tank to a target temperature; the baffle device is arranged in the tank to ensure that water in the tank is uniformly heated and generates certain turbulence, the hollow polymer permeation tube or the hollow fiber tube is arranged in the gas humidity generation water tank, the outside of the tube is the fixed heating temperature and the flowing deionized water, and N with fixed flow flows in the tube2High-temperature liquid water outside the pipe wall can be converted into gaseous water molecules on the inner wall of the pipe and N with fixed flow through the super-evaporation mechanism by the hydrogen bond energy between the groups such as sulfonic acid groups and the like in the hollow polymer permeation pipe or the hollow fiber pipe and the water molecules2And (3) uniformly mixing to generate moisture at a dew point temperature substantially equal to the water temperature, and feeding the hollow polymer permeation tube or the hollow fiber tube into the humidification tank in a U-shaped mode, completely immersing in high-temperature deionized water, and coiling at a lower position of the humidification tank to increase a mass transfer area to ensure that outlet moisture reaches a desired dew point. Except the hollow polymer permeation tube or the hollow fiber tube, the inner part of the humidifying tank is designed with a special structure to ensure the temperature of the deionized water in the tank to be constant, and to keep a certain turbulent flow flowing on the outer wall of the hollow polymer permeation tube or the hollow fiber tube, to strengthen the liquid-gas mass transfer and to ensure the N flowing in the hollow polymer permeation tube or the hollow fiber tube2Saturated moisture is stable.
Preferably, the gas humidity generating tank further comprises a baffle device fixedly arranged at the bottom of the inner side of the gas humidity generating tank, and the baffle device is arranged between the bottom of the inner wall of the gas humidity generating tank and the permeation tube.
Preferably, said baffle means divides said gas humidity generating tank into an upper portion and a lower portion, said baffle means initially being a single arcuate baffle arrangement, said baffle means switching to a double arcuate baffle arrangement when the temperatures of said upper and lower portions tend to be the same.
Preferably, the baffle device includes a fixed column, a fixed plate, an upper heat conducting plug, a sealing groove, a magnetic block, a lower heat conducting plug, a movable plate, a limiting post and a through hole, the fixed column is fixedly disposed at the middle position of the bottom end of the inner wall of the gas humidity generation water tank, the fixed plate is fixedly disposed at the middle position of the top end of the fixed column, the two sides of the fixed plate are slidably connected with the movable plate, the middle position of the movable plate is connected with the limiting post in a penetrating manner, the limiting post is disposed at the two sides of the fixed column, a limiting groove is disposed at the middle position of the limiting post, the stroke of the movable plate is limited by the limiting groove, the sealing groove is embedded in the side wall of the gas humidity generation water tank, the upper end of the sealing groove is located at the upper portion of the gas humidity generation water tank, and the lower end of the sealing groove is located at the lower portion of the gas humidity generation water tank, the upper end of seal groove with it is equipped with to inlay between the gas humidity takes place the water tank inside go up the heat conduction stopper, the lower extreme of seal groove with it is equipped with to inlay between the gas humidity takes place the water tank inside down the heat conduction stopper, it is equipped with to slide in the seal groove the magnetic path, around the magnetic path with the seal groove laminating, the magnetic path with the connection is inhaled to the side magnetism of movable plate, the fixed plate with a plurality of has all been seted up in the centre of movable plate the through-hole.
Preferably, the movable plate is positioned on the same plane with the fixed plate when positioned at the uppermost end of the stroke of the movable plate, and the periphery of the movable plate is attached to the inner wall of the gas humidity generation water tank to form the arrangement of a single arc-shaped baffle plate; when the moving plate is positioned at the lower end of the stroke, the plane of the moving plate is higher than the fixed plate, so that the arrangement of the double-arch baffle plate is formed.
Preferably, the upper heat conducting plug and the lower heat conducting plug are made of materials easy to conduct heat.
When the device is in an initial state, the electric heater works, the temperature of the lower part in the gas humidity generation water tank is higher than that of the upper part, the temperature of the lower heat conduction plug is higher than that of the upper heat conduction plug, the air pressure of the sealing plug of the lower half part of the magnetic block is higher than that of the upper part, the magnetic block is in a high position under the action of the air pressure, the upper end, fixed on the limiting groove, of the movable plate is attached to the fixed plate, a single-arch-shaped baffling plate is formed, the heat conduction of deionized water is accelerated, the deionized water in the gas humidity generation water tank is heated uniformly rapidly, when the temperatures of the upper part and the lower part in the gas humidity generation water tank tend to be the same, the air pressures of the upper part and the lower part of the magnetic block in the sealing plug tend to be the same, the magnetic block moves downwards, the movable plate is driven to move downwards, a double-arch-shaped baffling plate is formed, the pressure is reduced, and the service life of the device is prolonged.
Has the advantages that:
1. this stable humidity generating device based on permeation tube takes place the mixing box structure through setting up gas humidity and produces humidity, and two preheating tanks heat gas respectively, have connected the humidification pipe in gas humidity takes place the water tank, have increased the area of gas and aqueous solution contact for the more stability of the humid gas that produces, and can produce the gas of higher humidity, satisfy high humidity operational environment's demand.
2. According to the stable humidity generating device based on the permeation tube, an electric heating system is arranged in a gas humidity generating water tank, and deionized water in the tank can be heated to a target temperature; the baffle device is arranged in the tank to ensure that water in the tank is uniformly heated and generates certain turbulence, the hollow polymer permeation tube or the hollow fiber tube is arranged in the gas humidity generation water tank, the outside of the tube is the fixed heating temperature and the flowing deionized water, and N with fixed flow flows in the tube2High-temperature liquid water outside the pipe wall can be converted into gaseous water molecules on the inner wall of the pipe and N with fixed flow through the super-evaporation mechanism by the hydrogen bond energy between the groups such as sulfonic acid groups and the like in the hollow polymer permeation pipe or the hollow fiber pipe and the water molecules2And (3) uniformly mixing to generate moisture at a dew point temperature substantially equal to the water temperature, and feeding the hollow polymer permeation tube or the hollow fiber tube into the humidification tank in a U-shaped mode, completely immersing in high-temperature deionized water, and coiling at a lower position of the humidification tank to increase a mass transfer area to ensure that outlet moisture reaches a desired dew point. Except the hollow polymer permeation tube or the hollow fiber tube, the inner part of the humidifying tank is designed with a special structure to ensure the temperature of the deionized water in the tank to be constant, and to keep a certain turbulent flow flowing on the outer wall of the hollow polymer permeation tube or the hollow fiber tube, to strengthen the liquid-gas mass transfer and to ensure the N flowing in the hollow polymer permeation tube or the hollow fiber tube2Saturated moisture is stable.
3. This stable humidity generating device based on infiltration pipe, it is even with the interior temperature that makes liquid to form the torrent through setting up baffling device, increase infiltration pipe work efficiency, in addition, the upper and lower partial temperature tends to the same mutually in gaseous humidity takes place the water tank, baffling device is two bow-shaped by single bow-shaped conversion, increase device compressive capacity, extension fixture life, baffling device changes into single bow-shaped by two bow-shaped again when the upper and lower part difference in temperature is too big, increase heat transfer efficiency, it is even to make the rapid heating of deionized water temperature.
Drawings
FIG. 1 is a schematic view of the main structure of a stable humidity generating apparatus based on a permeation tube according to the present invention;
FIG. 2 is a front view of a stable humidity generating device based on a permeate tube of the present invention;
FIG. 3 is a sectional view of the gas humidity generating water tank of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at A in the present invention;
FIG. 5 is a cross-sectional view showing the temperature of the upper portion of the gas humidity generating tank in the same state as that of the lower portion in the present invention;
FIG. 6 is a top view of the baffle of the present invention;
FIG. 7 is a flow chart of the humidity generation of the gas in the present invention.
In the figure: 1. a preheating box; 2. a gas humidity measuring box; 3. a gas mixing box; 4. a first connecting line; 5. a gas humidity generating water tank; 6. a second connecting line; 7. a third connecting pipeline; 8. a permeate tube; 9. an electric heater; 10. a temperature sensor; 11. a baffle device; 1101. fixing a column; 1102. a fixing plate; 1103. an upper heat conducting plug; 1104. a sealing groove; 1105. a magnetic block; 1106. a lower heat conducting plug; 1107. moving the plate; 1108. a limiting column; 1109. a through hole; 12. and a fourth connecting pipeline.
Detailed Description
A stable humidity generating device based on a permeation tube comprises two preheating tanks 1, two gas humidity measuring tanks 2, a gas mixing tank 3 and a gas humidity generating water tank 5, wherein the preheating tanks 1 are fixedly connected with one another, a first connecting pipeline 4 is connected between the gas humidity measuring tanks 2 and the gas mixing tank 3, the gas humidity generating water tank 5 is arranged on the lower side of the preheating tanks 1, a fourth connecting pipeline 12 is communicated between the preheating tanks 1 and the gas mixing tank 3, a second connecting pipeline 6 is communicated between the preheating tanks 1 and the gas humidity generating water tank 5, and a third connecting pipeline 7 is communicated between the gas mixing tanks 3 and the gas humidity generating water tank 5; still include the infiltration pipe 8, infiltration pipe 8 sets up inside the gas humidity takes place the water tank 5, infiltration pipe 8 tip with second connecting line 6 is connected.
Specifically, the permeation tube 8 is a hollow polymer tube or a hollow fiber tube, the permeation tube 8 enters the gas humidity generation water tank 5 in a U shape and is wound on the lower side of the gas humidity generation water tank 5, and deionized water is stored outside the permeation tube 8.
Specifically, the device further comprises an electric heater 9 and a temperature sensor 10, wherein the electric heater 9 is arranged on the lower side of the gas humidity generation water tank 5, the temperature sensor 10 is arranged on the lower side of the electric heater 9, and an electric heating system is arranged in the gas humidity generation water tank 5 and can heat deionized water in the tank to a target temperature; the baffling device 11 is arranged in the tank to ensure that water in the tank is uniformly heated and generates certain turbulence, the hollow polymer permeation tube or the hollow fiber tube is arranged in the gas humidity generation water tank 5, the outside of the tube is the fixed heating temperature and the flowing deionized water, and N with fixed flow flows in the tube2High-temperature liquid water outside the pipe wall can be converted into gaseous water molecules on the inner wall of the pipe and N with fixed flow through the super-evaporation mechanism by the hydrogen bond energy between the groups such as sulfonic acid groups and the like in the hollow polymer permeation pipe or the hollow fiber pipe and the water molecules2And (3) uniformly mixing to generate moisture at a dew point temperature substantially equal to the water temperature, and feeding the hollow polymer permeation tube or the hollow fiber tube into the humidification tank in a U-shaped mode, completely immersing in high-temperature deionized water, and coiling at a lower position of the humidification tank to increase a mass transfer area to ensure that outlet moisture reaches a desired dew point. Except the hollow polymer permeation tube or the hollow fiber tube, the inner part of the humidifying tank is designed with a special structure to ensure the constant temperature of the deionized water in the tank, and keep a certain turbulent flow flowing on the outer wall of the hollow polymer permeation tube or the hollow fiber tube, enhance the liquid-gas mass transfer and ensure the mediumN flowing in hollow high molecular permeation tube or hollow fiber tube2Saturated moisture is stable.
Specifically, the device further comprises a baffle device 11, wherein the baffle device 11 is fixedly arranged at the bottom of the inner side of the gas humidity generation water tank 5, and the baffle device 11 is arranged between the bottom of the inner wall of the gas humidity generation water tank 5 and the permeation tube 8.
Specifically, the baffle 11 divides the gas humidity generating tank 5 into an upper portion and a lower portion, the baffle 11 is initially a single arcuate baffle arrangement, and when the temperatures of the upper and lower portions tend to be the same, the baffle 11 switches to a double arcuate baffle arrangement.
Specifically, the baffle device 11 includes a fixed column 1101, a fixed plate 1102, an upper heat conducting plug 1103, a sealing groove 1104, magnetic blocks 1105, a lower heat conducting plug 1106, a moving plate 1107, limiting posts 1108, and a through hole 1109, where the fixed column 1101 is fixedly disposed at the middle position of the bottom end of the inner wall of the gas humidity generating water tank 5, the fixed plate 1102 is fixedly disposed at the middle position of the top end of the fixed column 1101, the moving plate 1107 is slidably connected to two sides of the fixed plate 1102, the limiting posts 1108 are penetratingly connected to the middle position of the moving plate 1107, the limiting posts 1108 are disposed at two sides of the fixed column 1101, the limiting groove is disposed at the middle position of the limiting posts 1108, the stroke of the moving plate 1107 is limited by the limiting groove, the sealing groove 1104 is embedded in the side wall of the gas humidity generating water tank 5, and the upper end of the sealing groove 1104 is located at the upper portion of the gas humidity generating water tank 5, the lower extreme of seal groove 1104 is located the lower part of water tank 5 takes place for gas humidity, seal groove 1104's upper end with gas humidity takes place and inlays between the water tank 5 is inside to be equipped with go up heat conduction stopper 1103, seal groove 1104's lower extreme with gas humidity takes place and inlays between the water tank 5 is inside to be equipped with down heat conduction stopper 1106, it is equipped with to slide in seal groove 1104 magnetic path 1105, magnetic path 1105 all around with seal groove 1104 laminates, magnetic path 1105 with the connection is inhaled to the side magnetism of moving plate 1107, fixed plate 1102 with a plurality ofly has all been seted up in the centre of moving plate 1107 through-hole 1109.
Specifically, when the moving plate 1107 is located at the uppermost end of the stroke, the moving plate is located on the same plane as the fixed plate 1102, and the periphery of the moving plate is attached to the inner wall of the gas humidity generation water tank 5, so that a single-arch baffle plate is formed; the plane of the moving plate 1107 is higher than the fixed plate 1102 when it is in the lower end of travel position, creating a double arcuate baffle arrangement.
Specifically, the upper conductive plug 1103 and the lower conductive plug 1106 are made of a material that easily conducts heat.
When the device is in an initial state, the electric heater 9 works, the temperature of the lower part in the gas humidity generation water tank 5 is higher than that of the upper half part, the temperature of the lower heat conduction plug is higher than that of the upper heat conduction plug 1103, the air pressure of the sealing plug of the lower half part of the magnetic block 1105 is higher than that of the upper half part, the magnetic block 1105 is in a high position under the action of the air pressure, the moving plate 1107 is fixed at the upper end of the limiting groove and is attached to the fixing plate 1102, a single-arch baffling baffle is formed, the heat conduction of deionized water is accelerated, deionized water in the gas humidity generation water tank 5 is heated rapidly and uniformly, when the temperatures of the upper part and the lower part in the gas humidity generation water tank 5 tend to be the same, the air pressures of the upper part and the lower part of the magnetic block 1105 in the sealing plug tend to be the same, the magnetic block 1105 moves downwards to drive the 1107 to move downwards, a double-arch baffle plate is formed, the pressure of the moving plate is reduced, and the service life of the device is prolonged.
Specifically, the downside of baffling device 11 can be equipped with the water pump, and the water pump is used for making gas humidity take place and produces rivers in the water tank 5, and the rivers velocity of flow sets up to 0.2-1m/s according to operating condition, and the rivers that the water pump produced and baffling device 11 cooperation are turned into the torrent by the advection, more do benefit to the work of infiltration pipe 8 humidification gas.
Specifically, when the baffle 11 is formed as a double-arch baffle, the maximum distance between the fixed plate 1102 and the movable plate 1107 of the baffle 11 can be set to 1/2 times the sum of the length and the width of the gas humidity generating tank 5, and the pressure drop on the surface of the baffle 11 in the double-arch baffle is the lowest, as shown by the pressure sensor arranged on the surface of the baffle 11, the pressure relief effect of the baffle 11 is the best, and the following table shows the comparison of the values of the pressure drop generated on the surface of the baffle 11 in different maximum distances between the fixed plate 1102 and the movable plate 1107 (the maximum distance range is tested in the best distance recognized in the art, namely, 30% -60% of the sum of the diameter or the length and the width of the tube). In the table, the sum of the length and the width of the gas humidity generation tank 5 is represented by L, the flow rate of water was 0.8m/s, and the test depth was 0.06 m.
| Maximum distance between fixed plate and movable plate | Pressure drop across the surface of the baffle |
| L×30％ | 690.5Pa |
| L×40％ | 672.7Pa |
| L×50％ | 628.6Pa |
| L×60％ | 663.8Pa |
For the industrialized mass production of the scheme, the pressure drop test is only carried out in a plurality of easily realized maximum distance values between the fixed plate and the movable plate.
Specifically, in the whole gas humidity generation flow path, the constant-pressure mixed flow principle is utilized, and the humidity-controllable and constant-flow moisture A (N) generated by controlling the water temperature in the stable humidity generation device based on the permeation tube is controlled by the mass flow meter (FM1)2) (ii) a With an adjustable flow of dry gas (N) controlled by a mass flow meter (FM2)2) B; by passingThe humidity mixing chamber device with special turbulence enhancing design is used for uniform mixing, so that the target moisture with the expected dew point and flow rate is obtained.
Fixing the flow of A moisture through FM 1; the humidity and the flow of the mixed gas in the humidity mixing cavity can be quickly adjusted by the humidity value of the mixed gas which is measured in real time by the reference humidity sensor arranged in the humidity mixing cavity and the flow of the dry gas of the FM2 through feedback control, and the humidity of the mixed gas is provided by the reference humidity sensor. After the moisture controlled by FM1 and the dry gas controlled by FM2 are uniformly mixed in the humidity mixing chamber and the dew point and flow rate are stabilized, different target gases C (such as SO) with known mass concentration are controlled by FM32、NO、HCl、CH4、CO、CO2Etc.) are mixed with the moisture, the mixed gas D with stable dew point, flow and different target gas mass concentrations can be obtained, and the mixed gas D can be used for measuring the portable gas humidity calibration device. When the concentration measured by the portable gas humidity calibration device is the same as the preset concentration of the mixed gas, the accuracy of the portable gas humidity calibration device can be proved.
Claims (10)
1. The utility model provides a stabilize humidity generating device based on infiltration pipe which characterized in that:
the device comprises a gas humidity generation water tank, a permeation tube and a baffling device, wherein the permeation tube is a hollow polymer tube or a hollow fiber tube, enters the gas humidity generation water tank in a U shape and is coiled at the lower side of the gas humidity generation water tank, and deionized water is stored outside the permeation tube; the baffle device is fixed set up in the inboard bottom of water tank takes place for gas humidity, the baffle device sets up the bottom of the inner wall of water tank takes place for gas humidity with between the infiltration pipe.
2. A permeate tube based stabilized humidity generating device according to claim 1, wherein:
the device also comprises a preheating box and a gas mixing box;
the permeation tube is arranged inside the gas humidity generation water tank, one end of the permeation tube is communicated with the preheating tank, the other end of the permeation tube is communicated with the gas mixing tank, and deionized water is stored in the gas humidity generation water tank;
the preheating cabinet lets in dry gas in the infiltration pipe, form the humidity difference inside and outside the infiltration pipe, because the infiltration pipe has hydrophilicity, lets in the moisture that dry gas in the infiltration pipe has formed certain concentration discharges into in the gas mixing box, and the stable humidity generating device based on the infiltration pipe produces the moisture of controllable humidity, constant flow in humidity takes place the flow.
3. A stable humidity generating device based on a permeation tube according to claim 1 or 2, wherein: the gas humidity generating device is characterized by further comprising two gas humidity measuring boxes, the two preheating boxes are fixedly connected, a first connecting pipeline is connected between the gas humidity measuring boxes and the gas mixing box, the gas humidity generating water box is arranged on the lower side of the preheating boxes, a fourth connecting pipeline is communicated between the preheating boxes and the gas mixing box, a second connecting pipeline is communicated between the preheating boxes and the gas humidity generating water box, and a third connecting pipeline is communicated between the gas mixing boxes and the gas humidity generating water box; still include the infiltration pipe, the infiltration pipe sets up inside the gas humidity reaction water tank, infiltration pipe one end with the second connecting line is connected.
4. A permeate tube based stabilized humidity generating device according to claim 1, wherein: still include electric heater and temperature sensor, electric heater sets up the downside of gaseous humidity takes place the water tank, temperature sensor sets up electric heater's downside.
5. A permeate tube based stabilized humidity generating device according to claim 1, wherein: the baffle device divides the gas humidity generation water tank into an upper part and a lower part, the baffle device is initially arranged as a single arch-shaped baffle plate, and when the temperatures of the upper part and the lower part tend to be the same, the baffle device is converted into a double arch-shaped baffle plate.
6. A permeate tube based stabilized humidity generating device according to claim 1, wherein: the flow deflecting device comprises an upper heat conducting plug, a lower heat conducting plug, a sealing groove and magnetic blocks, wherein the upper heat conducting plug and the lower heat conducting plug are respectively arranged on the upper side and the lower side of the sealing groove, the magnetic blocks are arranged in the sealing groove in a sliding mode, when the upper side and the lower side of the outside of the sealing bin generate air temperature differences, the upper side and the lower side of the internal magnetic blocks generate air pressure differences, and therefore the upper displacement and the lower displacement of the magnetic blocks are pushed.
7. A device for generating stable humidity based on permeation tube according to claim 1 or 6, wherein: the baffle device comprises a fixed column, a fixed plate, a movable plate, a limiting column and a through hole, wherein the fixed column is fixedly arranged at the middle position of the bottom end of the inner wall of the gas humidity generation water tank, the fixed plate is fixedly arranged at the middle position of the top end of the fixed column, the movable plate is connected to two sides of the fixed plate in a sliding manner, the limiting column is connected to the middle position of the movable plate in a penetrating manner, the limiting column is arranged at two sides of the fixed column, a limiting groove is formed in the middle position of the limiting column, the stroke of the movable plate is limited by the limiting groove, the sealing groove is embedded in the side wall of the gas humidity generation water tank, the upper end of the sealing groove is positioned at the upper part of the gas humidity generation water tank, the lower end of the sealing groove is positioned at the lower part of the gas humidity generation water tank, and the upper heat conducting plug is embedded between the upper end of the sealing groove and the inside of the gas humidity generation water tank, the lower extreme of seal groove with it is equipped with to inlay between the gas humidity takes place the water tank inside lower heat conduction stopper, it is equipped with to slide in the seal groove the magnetic path, the magnetic path all around with the laminating of seal groove, the magnetic path with the side magnetism of movable plate is inhaled and is connected, the fixed plate with the centre of movable plate has all been seted up a plurality ofly the through-hole.
8. The apparatus of claim 7, wherein the apparatus comprises: when the movable plate is positioned at the uppermost end of the stroke, the movable plate and the fixed plate are positioned on the same plane, and the periphery of the movable plate is attached to the inner wall of the gas humidity generation water tank to form the arrangement of a single bow-shaped baffle plate; when the moving plate is positioned at the lower end of the stroke, the plane of the moving plate is higher than the fixed plate, so that the arrangement of the double-arch baffle plate is formed.
9. The apparatus of claim 7, wherein the apparatus comprises: the upper heat conducting plug and the lower heat conducting plug are made of materials easy to conduct heat.
10. A permeate tube based stabilized humidity generating device according to claim 1, wherein: the gas may be: n is a radical of2、SO2、HCL、CH4CO and CO2And the like.
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| CN202210040922.XA CN114384944B (en) | 2022-01-14 | 2022-01-14 | Stable humidity generating device based on permeation tube |
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| CN202210040922.XA CN114384944B (en) | 2022-01-14 | 2022-01-14 | Stable humidity generating device based on permeation tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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