CN108931613A - Water surface saturation device, water surface saturator and humidity generator - Google Patents
Water surface saturation device, water surface saturator and humidity generator Download PDFInfo
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- CN108931613A CN108931613A CN201810809311.0A CN201810809311A CN108931613A CN 108931613 A CN108931613 A CN 108931613A CN 201810809311 A CN201810809311 A CN 201810809311A CN 108931613 A CN108931613 A CN 108931613A
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- G—PHYSICS
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of water surface saturation device, water surface saturator and humidity generators.The water surface saturation device includes saturation cavity, the top and bottom of the saturation cavity are respectively equipped with water filling port and discharge outlet, steam trap, metal structured packing layer are from top to bottom successively arranged in the saturation cavity, the steam trap, metal structured packing layer are arranged radially along the saturation cavity, the side wall of the saturation cavity is equipped with air inlet and air outlet, the air inlet is located at the lower section of the metal structured packing layer, and the gas outlet is located at the top of the steam trap.The saturation efficiency of water surface saturator, the output higher high temperature and pressure saturated gas of relative humidity can be improved in the water surface saturation device.
Description
Technical field
The present invention relates to metrological testing technology field more particularly to a kind of water surface saturation devices, water surface saturator and humidity
Generator.
Background technique
Humidity generator is widely used device in psychrometry test process.Humidity generator is also known as, and " humidity occurs
Device ", it is to occur that vapour content is constant and the general name of known airflow apparatus under certain condition.Water surface saturator is humidity
One of core component in generator, the superiority and inferiority of humidity generator performance and the saturation efficiency of water surface saturator are closely related.
High temperature and pressure humidity generator requires water surface saturator to have high-temperature and high-presure resistent characteristic, and temperature range is (50
~200) DEG C, pressure limit is (0~1) MPa, is in addition also required in a limited space, gas can abundant heat exchanging tampering, protect
The high temperature and pressure saturated gas that card output relative humidity is 100%RH.
Currently used for the water surface saturator on humidity generator, generally all work under normal temperature and pressure environment, these waters surface
Saturator is broadly divided into two major classes: hollow saturator and filled saturator.The saturation efficiency of hollow saturator is low, and exports
Easily carry water droplet in gas secretly；Common filled saturator is typically all dumped packing, such as glass marble, and resistance is larger, is satisfied
And low efficiency.In addition some saturators are suitable under low temperature environment, these saturators are lower to temperature and pressure area requirement, no
It is able to satisfy the caloic exchange under high-temperature and high-pressure conditions and exports the requirement for the saturated with moisture that relative humidity is 100%RH.
Summary of the invention
It is higher the technical problem to be solved by the present invention is to improve the saturation efficiency of existing water surface saturator, output relative humidity
High temperature and pressure saturated gas.
To achieve the goals above, one aspect of the present invention provides a kind of water surface saturation device, including saturation cavity, institute
The top and bottom for stating saturation cavity are respectively equipped with water filling port and discharge outlet, are from top to bottom successively arranged water in the saturation cavity
Vapour separator, metal structured packing layer, the steam trap, metal structured packing layer are arranged radially along the saturation cavity,
The side wall of the saturation cavity is equipped with air inlet and air outlet, and the air inlet is located under the metal structured packing layer
Side, the gas outlet is located at the top of the steam trap.
Another aspect of the present invention provides a kind of water surface saturator, including the first water surface saturation device and second water surface are satisfied
And device, first water surface saturation device and second water surface saturation device are above-mentioned water surface saturation device, described the
The gas outlet of one water surface saturation device is connected to the air inlet of second water surface saturation device.
An additional aspect of the present invention provides a kind of humidity generator, which includes above-mentioned water surface saturation
Device.
The water surface saturation device that above-mentioned aspect according to the present invention provides is equipped with metal structured packing layer in saturation cavity
And steam trap, metal structured packing layer can increase the heat exchanging tampering area of high temperature and high pressure gas and moisture, realize high temperature
The saturation degree of high pressure gas 100%RH, water droplet of the steam trap for being carried secretly in filtering outlet gas.Therefore, the water surface is full
Saturation efficiency, the output higher high temperature and pressure saturated gas of relative humidity of water surface saturator can be improved with device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the water surface saturation device of one embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the water surface saturator of one embodiment of the present invention；
Wherein, in Fig. 1-Fig. 2:
Water filling port 1, steam trap 2, gas outlet 3, saturation cavity 4, metal structured packing layer 5, sealing flange 6, air inlet
Mouth 7, discharge outlet 8, air inlet pipeline 9, connecting line 10, heat exchange coil 11, discharge pipe line 12, bleeder valve 13, the first thermostatic equipment
14, the second thermostatic equipment 15.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of the water surface saturation device of one embodiment of the present invention.
As shown in Figure 1, the water surface saturation device of present embodiment includes saturation cavity 4, saturation cavity 4 can use stainless
Steel pressure resistance cylinder, the material for being saturated cavity 4 can use 304 stainless steels, and cavity wall thickness can select 3mm, and internal diameter can be
100mm, height can be 250mm, and those skilled in the art can according to need the stainless steel reelected with different material and wall thickness
Pressure-resistant cylinder.In a kind of preferred scheme, saturation cavity 4 can using the structure of upper and lower part separation, upper and lower part it
Between connected by sealing flange 6, this structure can satisfy the requirement of high temperature and pressure.
The top and bottom of the saturation cavity 4 are respectively equipped with water filling port 1 and discharge outlet 8, in specific scheme, water filling port
1 is equipped with locking nut, is used to open and seals water filling port, and the discharge outlet 8 can connect discharge pipe line, set at discharge outlet 8
There is switch valve, is used to open or closes discharge outlet 8.
Steam trap 2, metal structured packing layer 5, the steam point are from top to bottom successively arranged in the saturation cavity 4
It is arranged radially from device 2, metal structured packing layer 5 along the saturation cavity 4, the side wall of the saturation cavity 4 is equipped with air inlet 7
With gas outlet 3, the air inlet 7 is located at the lower section of the metal structured packing layer 5, and the gas outlet 3 is located at the steam point
Top from device 2, air inlet 7 connect air inlet pipeline, are passed through high pressure gas into gas outlet 3 by air inlet pipeline.
Saturation cavity 4 bottom setting metal structured packing layer 5, it is specified that gas-liquid channel, increases heat and mass area,
Strengthen the empir-ical formulation of gas-liquid two-phase fluid, 5 circulating resistance of metal structured packing layer is small, and flux is big, is improving heat and mass effect
It ensure that lower pressure drop while rate；Steam trap 2 is set at the top of saturation cavity 4, the gas of gas outlet can be prevented
Water droplet is entrained in body.
Deionized water is injected into saturation cavity 4 from water filling port 1, deionized water under the effect of gravity, passes sequentially through steam
Separator 2, metal structured packing layer 5, after placing preset time, such as 10 minutes, air inlet pipeline ventilation, high pressure gas is through air inlet
Mouth 7 enters in saturation cavity 4, it should be noted that when ventilation, gas pressure should be slowly increased to required pressure by low pressure
Value.
The water surface saturation device of present embodiment is equipped with metal structured packing layer 5 and steam trap in saturation cavity 4
2, metal structured packing layer 5 can increase the heat exchanging tampering area of high temperature and high pressure gas and moisture, realize high temperature and high pressure gas
The saturation degree of 100%RH, water droplet of the steam trap 2 for being carried secretly in filtering outlet gas.Therefore, which can
To improve saturation efficiency, the output higher saturated with moisture of relative humidity, and can work under high temperature and high pressure environment.
In preferred scheme, the metal structured packing layer 5 includes the first stainless steel metal silk screen and the first chuck, described
The outer of first stainless steel metal silk screen is fixed with first chuck, and first chuck is fixed on the close of the saturation cavity
Seal 6 junction of flange.
In specific scheme, metal structured packing layer 5 can select 400 mesh stainless steel metal silk screens, and this structure can be with
Increase the heat exchanging tampering area of high temperature and high pressure gas and moisture, can also be may be implemented by changing the size in metal packing aperture
Different heat exchanging tampering areas realizes the saturation degree of high temperature and high pressure gas 100%RH.
In preferred scheme, the outer of the first stainless steel metal silk screen can be solid by screw and first chuck
Fixed, the detachable of the first stainless steel metal silk screen and the first chuck may be implemented in this structure, can be convenient that replace first stainless
Steel metal silk screen.
In preferred scheme, the steam trap 2 includes the second stainless steel metal silk screen and the second chuck, and described second
The outer of stainless steel metal silk screen is fixed with second chuck, and second chuck is fixed on the inner wall of the saturation cavity 4
On, in specific scheme, which can be fixed on the inner wall of the saturation cavity 4 by welding.
In preferred scheme, steam trap 2 can use 304 stainless steel metal silk screens, pore size be (300~
400) mesh, stainless steel metal silk screen can effectively filter out the water droplet carried secretly in exit gas, the second stainless steel metal silk screen with
Second chuck can be detachable structure, can be convenient the second stainless steel metal silk screen of replacement, those skilled in the art can root
According to the stainless steel metal silk screen for needing to select different pore size.
In preferred scheme, insulating layer is enclosed on the outside of the air inlet pipeline, insulating layer can use thermal coefficient pole
Aeroge thermal insulation material low and resistant to high temperature.
The present invention also provides a kind of water surface saturators, please refer to Fig. 2, and Fig. 2 is the water surface of one embodiment of the present invention
The structural schematic diagram of saturator.
As shown in Fig. 2, the water surface saturator of present embodiment includes the first water surface saturation device and the right side Fig. 2 on the left of Fig. 2
Second water surface saturation device of side, first water surface saturation device and second water surface saturation device are full for the above-mentioned water surface
And device, the gas outlet of first water surface saturation device are connected to the air inlet of second water surface saturation device.
In specific scheme, the air inlet of the first water surface saturation device connects air inlet pipeline 9, the first water surface saturation device and
The equal communicated drainage pipeline 12 of the discharge outlet of second water surface saturation device, the second of first water surface saturation device water outlet sum
The water outlet of water surface saturation device is equipped with switch valve.
In further embodiment, the discharge pipe line 12 be equipped with bleeder valve 13, with control discharge pipe line 12 opening and
It closes.
In preferred scheme, temperature detecting point and pressure detecting point are equipped at the gas outlet of the second water surface saturation device, such as
Arrow pointed location in Fig. 2 can detect the gas outlet of the second water surface saturation device in temperature detecting point and pressure detecting point
The temperature and pressure at place.Pressure sensor and temp probe successively can be set in two arrow pointed locations from left to right in Fig. 2,
As temperature detecting point and pressure detecting point.
In preferred scheme, the gas outlet of first water surface saturation device by connecting line 10 and heat exchange coil 11 with
The air inlet of second water surface saturation device is connected to, and the air inlet of the connecting line 10 is connected to first water surface saturation dress
The gas outlet set, the gas outlet of the connecting line 10 are connected to the air inlet of the heat exchange coil 11, the heat exchange coil 11
Gas outlet is connected to the air inlet of second water surface saturation device；The heat exchange plate pipe dish 11 is around in second water surface saturation dress
The outer wall for the saturation cavity set.
In specific scheme, the connecting line uses the interior polishing stainless steel pipeline of diameter 6mm, can play sealing and connect
The effect connect.
The heat exchange coil 11 can use 304 seamless steel pipes, coil pipe wall thickness 1mm, outer diameter 6mm, screw pitch 10mm, spiral coil
Number is 10 circles.
Heat exchange coil 11 not only ensures that gas sufficiently exchanges heat with hot environment using helix tube type structure, and its structure is tight
It gathers, is easily installed.
In preferred scheme, first water surface saturation device and the second water surface saturation device are respectively placed in the first constant temperature
In equipment 14 and the second thermostatic equipment 15.It can make the temperature in the first water surface saturation device and the second water surface saturation device in this way
It spends constant.
In preferred scheme, the temperature in second thermostatic equipment 15 is lower than the temperature in first thermostatic equipment 14
Degree, the temperature of the first thermostatic equipment 14 can be 3~5 DEG C higher than the temperature of the second thermostatic equipment 15.
In preferred scheme, the outside of the connecting line 10 is enclosed with insulating layer, and insulating layer can use thermal coefficient
Aeroge thermal insulation material extremely low and resistant to high temperature.
The water surface saturator course of work of present embodiment is as follows.
First water surface saturation device is placed in the first thermostatic equipment 14, and the second water surface saturation device is placed in the second thermostatic equipment
In 15,14 temperature setting of the first thermostatic equipment is 3~5 DEG C higher than 15 temperature value of the second thermostatic equipment.Bleeder valve 13 is closed, by the
The water filling port of saturation cavity and the water filling port of the second water surface saturation device of one water surface saturation device be slowly injected into about 500mL go from
Sub- water, deionized water under the effect of gravity, pass sequentially through steam trap and metal structured packing layer in saturation cavity, place 10
After minute, it can ventilate and use through air inlet pipeline 9.When ventilation, gas pressure should be slowly increased to required pressure value by low pressure,
Temperature monitoring point and pressure monitoring point in the gas outlet of the second water surface saturation device detect temperature value and pressure respectively
Value.
Test shows for the water surface saturator to be placed in 200 DEG C of high temperature oil grooves, admission pressure rises to 1.2MPa by low pressure
When, outlet moisture saturation degree reaches 99%RH or more, and 199.8 DEG C of Outlet Gas Temperature, pressure 1.0MPa, which exchanges heat
Sufficiently, the pressure loss is small, and saturation degree is high, and moisture stability is good.
The present invention also provides a kind of humidity generator, which includes above-mentioned water surface protective device or above-mentioned
Water surface saturator, due to above-mentioned water surface protective device, above-mentioned water surface saturator have above-mentioned technical effect, have should
The humidity generator of water surface saturation device or water surface saturator, also answers with the corresponding technical effect, and details are not described herein.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for this
The those of ordinary skill in field can use a variety of different modes pair without departing from the spirit and scope of the present invention
Described embodiment is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to this
The limitation of invention protection scope.
Claims (14)
1. a kind of water surface saturation device, which is characterized in that including being saturated cavity, the top and bottom of the saturation cavity are set respectively
There are water filling port and discharge outlet, steam trap, metal structured packing layer are from top to bottom successively arranged in the saturation cavity, it is described
Steam trap, metal structured packing layer are arranged radially along the saturation cavity, and the side wall of the saturation cavity is equipped with air inlet
Mouth and gas outlet, the air inlet are located at the lower section of the metal structured packing layer, and the gas outlet is located at steam separation
The top of device.
2. water surface saturation device according to claim 1, which is characterized in that the saturation cavity is using upper and lower part point
From structure, between the top and the lower part pass through sealing flange connect.
3. water surface saturation device according to claim 2, which is characterized in that the metal structured packing layer does not include first not
Rust steel metal silk screen and the first chuck, the outer of the first stainless steel metal silk screen are fixed with first chuck, and described the
One chuck is fixed on the sealing flange junction of the saturation cavity.
4. water surface saturation device according to claim 3, which is characterized in that the outer of the first stainless steel metal silk screen
It is fixed by screw and first chuck.
5. water surface saturation device according to claim 1-4, which is characterized in that the steam trap includes the
Two stainless steel metal silk screens and the second chuck, the outer of the second stainless steel metal silk screen are fixed with second chuck, institute
The second chuck is stated to be fixed on the inner wall of the saturation cavity.
6. a kind of water surface saturator, which is characterized in that including the first water surface saturation device and the second water surface saturation device, described
One water surface saturation device and second water surface saturation device are the described in any item water surface saturation devices of claim 1-5, institute
The gas outlet for stating the first water surface saturation device is connected to the air inlet of second water surface saturation device.
7. water surface saturator according to claim 6, which is characterized in that the gas outlet of first water surface saturation device is logical
It crosses connecting line and heat exchange coil to be connected to the air inlet of second water surface saturation device, the air inlet of the connecting line connects
Leading to the gas outlet of first water surface saturation device, the gas outlet of the connecting line is connected to the air inlet of the heat exchange coil,
The gas outlet of the heat exchange coil is connected to the air inlet of second water surface saturation device；Heat exchange coil coiling is in described the
The outer wall of the saturation cavity of two water surface saturation devices.
8. water surface saturator according to claim 6 or 7, which is characterized in that first water surface saturation device and second
Water surface saturation device is respectively placed in the first thermostatic equipment and the second thermostatic equipment.
9. water surface saturator according to claim 8, which is characterized in that the temperature in second thermostatic equipment is lower than institute
State the temperature in the first thermostatic equipment.
10. according to the described in any item water surface saturators of claim 7-9, which is characterized in that wrap in the outside of the connecting line
It is wrapped with insulating layer.
11. according to the described in any item water surface saturators of claim 6-10, which is characterized in that second water surface saturation device
Gas outlet at be equipped with temperature detecting point and pressure detecting point.
12. according to the described in any item water surface saturators of claim 6-11, which is characterized in that first water surface saturation device
Water outlet and the water outlet of the second water surface saturation device be connected to discharge pipe line, and first water surface saturation device goes out
The water outlet of the second water surface saturation device of sum is equipped with switch valve at the mouth of a river.
13. water surface saturator according to claim 12, which is characterized in that the discharge pipe line is equipped with bleeder valve.
14. a kind of humidity generator, which is characterized in that including the described in any item water surface saturators of claim 6-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809311.0A CN108931613A (en) | 2018-07-20 | 2018-07-20 | Water surface saturation device, water surface saturator and humidity generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809311.0A CN108931613A (en) | 2018-07-20 | 2018-07-20 | Water surface saturation device, water surface saturator and humidity generator |
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| CN108931613A true CN108931613A (en) | 2018-12-04 |
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| CN201810809311.0A Pending CN108931613A (en) | 2018-07-20 | 2018-07-20 | Water surface saturation device, water surface saturator and humidity generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114047226A (en) * | 2021-11-02 | 2022-02-15 | 中国航空工业集团公司北京长城计量测试技术研究所 | Gas dew point generating device |
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Application publication date: 20181204 |