CN108426754A - Generate the method and device of the gaseous sample of specified moisture - Google Patents
Generate the method and device of the gaseous sample of specified moisture Download PDFInfo
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- CN108426754A CN108426754A CN201810074836.4A CN201810074836A CN108426754A CN 108426754 A CN108426754 A CN 108426754A CN 201810074836 A CN201810074836 A CN 201810074836A CN 108426754 A CN108426754 A CN 108426754A
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- gas
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- humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N2001/2893—Preparing calibration standards
Abstract
The present invention relates to the method and devices for the gaseous sample for generating specified moisture.The method for generating the gaseous sample of specified moisture includes the following steps：（1）Original gas is injected into air accumulator, detects its humidity；（2）When the humidity of original gas is less than object gas sample, the quality of original gas moisture of required supplement compared with object gas sample is calculated；When the humidity of original gas is higher than object gas sample, so that the humidity of original gas is less than the humidity of object gas sample by being dried unit original gas, then calculates the quality of original gas moisture of required supplement compared with object gas sample after drying；（3）The moisture of phase homogenous quantities is injected to humidification process unit.Reduce the step of being dried original gas with humidifying, mixing in proportion again respectively, improves the efficiency for generating humidity gaseous sample.
Description
Technical field
The present invention relates to the method and devices for the gaseous sample for generating specified moisture.
Background technology
Sulfur hexafluoride gas has good electrical insulation properties and excellent arc extinction performance, is widely used in electricity
In son, electrical equipment, especially apply in high-tension switch gear.The moisture of sulfur hexafluoride gas is high-tension switch gear
One important indicator, directly affects the normal operation of switch, and scientific research institution needs to carry out different moisture levels six to high-tension switch gear
Performance indicator research under sulfur fluoride gaseous environment, it is therefore desirable to prepare the sulfur hexafluoride gas of different humidity.Sulfur hexafluoride gas
Body is due to huge greenhouse effects, being unable to direct emission, it is therefore desirable to using sulfur hexafluoride gas retracting device to gas
Recycling storage is carried out, and sulfur hexafluoride gas retracting device is in type approval test and delivery test, it is also desirable to it prepares a large amount of
Moisture is the sulfur hexafluoride gas sample of 1000ppm.
Authorization Notice No. is CN101226128B, and authorized announcement date is that the Chinese invention patent of 2013.02.13 discloses one
Kind generates the system and method with known and adjustable relative humidity gaseous sample, has the original gas root of initial RH
According to working cycles alternately through wet channel and dry passage, it is then respectively formed humid gas and dry gas, then by way of proportioning
Humid gas and dry gas are mixed according to fixed ratio, you can obtain needing the object gas sample of humidity.
There are known and adjustable relative humidity gaseous sample system and method to prepare a certain fixed humidity for above-mentioned generation
When gaseous sample, need first to be fabricated to the existing original gas known humidity or do not known humidity respectively relatively wet
The humid gas that the dry gas and relative humidity that degree is 0% are 100%, then two kinds of gases are measured into mixing to obtain according to a certain percentage
To object gas sample, preparation process is complicated, low production efficiency.
Invention content
The gas sample for the generation specified moisture that the purpose of the present invention is to provide three kinds of preparation process is simple, production efficiency is high
The method of product, the first method for generating the gaseous sample of specified moisture are suitable for the humidity and original gas of known original gas
Humidity be less than object gas sample humidity, second generation specified moisture gaseous sample method be suitable for it is known original
The humidity of gas is higher than the humidity of object gas sample, the third method for generating the gaseous sample of specified moisture is suitable for not knowing
The humidity of road original gas；The present invention also provides a kind of devices generating specified moisture gaseous sample.
The technical solution of method that the first of the present invention generates the gaseous sample of specified moisture is：
Scheme 1：The method for generating the gaseous sample of specified moisture, includes the following steps,（1）By the air inlet on air accumulator to
The original gas of injection certain mass, goes out according to the Mass Calculation of the original gas of injection by the original gas of the quality in air accumulator
The quality of the moisture of required supplement when system is at object gas sample；（2）To at head and the tail both ends and the tank connected gas of gas storage
Manage the injection of humidification process unit and the step in circulation loop（1）In the calculated moisture required supplementation with quality equivalent
Moisture, and moisture and original gas are filled by the mixing of cycle in gas circulation loop.
The advantageous effect of the technical solution is：The humidity of original gas is less than the humidity of object gas sample, according to note
The quality of the original gas entered directly calculates the quality of original gas moisture of required supplement compared with object gas sample,
The moisture of corrresponding quality is injected in humidification process unit makes original gas be sufficiently mixed with the moisture of supplement in circulation loop, subtracts
Lack the step of being dried original gas with humidifying, mixing in proportion again respectively, improves the gas for generating specified moisture
The efficiency of sample.
Scheme 2：The method of the gaseous sample of generation specified moisture according to scheme 1, step（2）It is middle to humidification process
The water injected in unit is vaporous water.Vaporous water can improve the gas for generating specified moisture convenient for being mixed with original gas
The efficiency of body sample.
Scheme 3：The method of the gaseous sample of generation specified moisture according to scheme 2, the humidification process unit packet
Heating device is included, liquid water is heated to be by vaporous water by heating device.Gas is generated by the heating device of humidification process unit
State water, it is easy to use.
The technical solution of method of the gaseous sample of second of generation specified moisture of the present invention is：
Scheme 1：The method for generating the gaseous sample of specified moisture, includes the following steps,（1）By the air inlet on air accumulator to
The original gas of injection certain mass, passes through the drying process unit in gassing cycle circuit by original gas in air accumulator
The humidity of original gas is set to be less than the humidity of object gas sample, head and the tail both ends and the air accumulator in gassing cycle circuit connect
It connects；（2）Detecting step（1）In drying after original gas humidity, according to the Mass Calculation of the original gas of injection go out by
The quality of the moisture of required supplement when object gas sample is made in the original gas of the quality after drying；（3）To at gas
Manage the injection of humidification process unit and the step in circulation loop（2）In the calculated moisture required supplementation with quality equivalent
Moisture, and moisture and original gas are filled by the mixing of cycle in gas circulation loop.
The advantageous effect of the technical solution is：The humidity of original gas is higher than the humidity of object gas sample, first with
It is dried unit and the humidity that processing makes the humidity of original gas be less than object gas sample is dried to original gas, according to
The quality of the original gas of injection directly calculates the required supplement compared with object gas sample of the original gas after drying
The quality of moisture, humidification process unit inject corrresponding quality moisture make original gas in circulation loop with the moisture of supplement
It is sufficiently mixed, reduces the step of being dried original gas with humidifying, mixing in proportion again respectively, it is specific to improve generation
The efficiency of the gaseous sample of humidity.
Scheme 2：The method of the gaseous sample of generation specified moisture according to scheme 1, step（3）It is middle to humidification process
The water injected in unit is vaporous water.Vaporous water can improve the gas for generating specified moisture convenient for being mixed with original gas
The efficiency of body sample.
Scheme 3：The method of the gaseous sample of generation specified moisture according to scheme 2, the humidification process unit packet
Heating device is included, liquid water is heated to be by vaporous water by heating device.Gas is generated by the heating device of humidification process unit
State water, it is easy to use.
The technical solution of method of the third gaseous sample for generating specified moisture of the present invention is：
Scheme 1：The method for generating the gaseous sample of specified moisture, includes the following steps,（1）By the air inlet on air accumulator to
The original gas of injection certain mass, detects the humidity of original gas and is compared with the humidity of object gas sample in air accumulator
Compared with；（2）When the humidity of original gas is less than the humidity of object gas sample, gone out according to the Mass Calculation of the original gas of injection
The quality of the moisture of required supplement when the original gas of the quality is made object gas sample；When the humidity of original gas is high
When the humidity of object gas sample, original gas is made into original gas by the drying process unit in gassing cycle circuit
The humidity of body is less than the humidity of object gas sample, and the head and the tail both ends in gassing cycle circuit are connect with air accumulator, and detection is dry
The humidity of original gas after dry goes out further according to the Mass Calculation of the original gas of injection by the original gas of the quality after drying
The quality of the moisture of required supplement when system is at object gas sample；（3）Humidification process into gassing cycle circuit
Unit injects and step（2）In the calculated moisture required supplementation with quality equivalent moisture, and by being followed in gas
Cycle mixing in loop back path fills into moisture and original gas.
The advantageous effect of the technical solution is：In the difference of uncertain original gas and the humidity of object gas sample
When, it first passes through detection and obtains the humidity of original gas, be compared with the humidity of object gas sample and make the wet of original gas
Degree directly calculates original gas and object gas less than the humidity of object gas sample according to the quality of the original gas of injection
For sample compared to the quality of the moisture of required supplement, the moisture of corrresponding quality is injected in humidification process unit makes original gas follow
It is sufficiently mixed with the moisture of supplement in loop back path, reduces and original gas is dried respectively and humidifies, mix in proportion again
The step of, improve the efficiency for the gaseous sample for generating specified moisture.
Scheme 2：The method of the gaseous sample of generation specified moisture according to scheme 1, step（3）It is middle to humidification process
The water injected in unit is vaporous water.Vaporous water can improve the gas for generating specified moisture convenient for being mixed with original gas
The efficiency of body sample.
Scheme 3：The method of the gaseous sample of generation specified moisture according to scheme 2, the humidification process unit packet
Heating device is included, liquid water is heated to be by vaporous water by heating device.Gas is generated by the heating device of humidification process unit
State water, it is easy to use.
The technical solution of device of the gaseous sample of the generation specified moisture of the present invention is：
Scheme 1：The device of the gaseous sample of specified moisture, including air accumulator are generated, air accumulator is equipped with air inlet, the generation
The device of the gaseous sample of specified moisture further includes the gassing cycle circuit that head and the tail both ends are connected to air accumulator, gas treatment
Circulation loop includes major loop and is connected to major loop and the first branch and the second branch are arranged parallel, is set in the first branch
There are drying process unit, the second branch to be equipped with humidification process unit, being additionally provided on the gassing cycle circuit makes
The sluice valve by the first branch and the second branch of gas-selectively, the device of the gaseous sample for generating specified moisture is also
Including exhaust outlet.
The advantageous effect of the technical solution is：First pass through detection obtain original gas humidity and with object gas sample
Humidity be compared, when the humidity of original gas be higher than object gas sample humidity when, original gas is first passed through into drying
Processing unit makes the humidity of original gas be less than the humidity of object gas sample, then original gas is passed through humidification process unit,
When the humidity of original gas is less than object gas sample, original gas is directly by humidification process unit, according to the original of injection
The quality of beginning gas directly calculates the required benefit compared with object gas sample of the original gas after original gas or drying
The quality of the moisture filled, the moisture of corrresponding quality is injected in humidification process unit makes the original gas after original gas or drying
It is sufficiently mixed with the moisture of supplement in circulation loop, reduces and original gas is dried and is humidified respectively, again in proportion
The step of mixing, improves the efficiency for generating humidity gaseous sample.
Scheme 2：The device of the gaseous sample of generation specified moisture according to scheme 1, the humidification process unit packet
It includes for by the heating device of moisture heating and gasifying.Moisture can be heated to be vapor by heating device, accelerate original gas with
The efficiency of moisture mixing.
Scheme 3：The device of the gaseous sample of generation specified moisture according to scheme 1, the drying process unit packet
Include device for drying and filtering.Device for drying and filtering makes simply, easy to use.
Scheme 4：The device of the gaseous sample of generation specified moisture according to scheme 3, the drying process unit is also
It include the first deduster set on the outlet side of device for drying and filtering.First deduster can eliminate original gas by dried
Subsidiary dust impurities when filter.
Scheme 5：The device of the gaseous sample of specified moisture, the sluice valve are generated according to scheme 1-4 any one of them
Solenoid valve including being respectively arranged at the inlet end and outlet side that are dried unit, further includes that humidification process unit is respectively set
Inlet end and outlet side cut-off valve.Electronic control may be implemented in solenoid valve, increases the automation in gassing cycle circuit,
It is at low cost to cut-off valve, it is easy to use.
Scheme 6：The device that the gaseous sample of specified moisture is generated according to scheme 1-4 any one of them, at the gas
It manages circulation loop and is equipped with compressor in the major loop, the inlet end of compressor is equipped with the air inlet of detection compressor admission pressure
The outlet side of pressure gauge and first pressure switch, compressor is equipped with second pressure switch and the second safety valve.Compressor can drive
It takes offence body shuttling movement in gassing cycle circuit, first pressure switch, second pressure switch and the second safety valve can be with
Ensure compressor safe operation.
Scheme 7：The device of the gaseous sample of generation specified moisture according to scheme 6, the air accumulator and compressor
Between major loop be equipped with filtering gas in dust the second deduster.Second deduster can eliminate recyclegas in gas
Subsidiary dust impurities in processing cycle circuit.
Scheme 8：The device of the gaseous sample of generation specified moisture according to scheme 6, the exhaust outlet setting are being pressed
The outlet side of contracting machine.The object gas sample of generation can be discharged from exhaust outlet using compressor as power source.
Scheme 9：The device of the gaseous sample of specified moisture, the air accumulator are generated according to scheme 1-4 any one of them
It is equipped with the air accumulator gas gauge and the first safety valve of gas pressure in detection air accumulator.Air accumulator gas gauge can be with
The gas pressure in air accumulator is detected, the first safety valve can carry out overvoltage protection to air accumulator.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment 1 of the device of the gaseous sample of the generation specified moisture of the present invention；
Fig. 2 is the structural schematic diagram of the embodiment 2 of the device of the gaseous sample of the generation specified moisture of the present invention.
It is respectively marked in figure：1. the second deduster；2. boost gauge；3. first pressure switchs；4. the second safety valve；5. the
Two pressure switches；6. compressor；7. exhaust outlet；8. drying solenoid valve；9. device for drying and filtering；10. cut-offfing valve；11. water filling port；
12. Water filling valve；13. heating device；14. the first deduster；15. air accumulator solenoid valve；16. air inlet；17. air intake valve；
18. detection mouth；19. the first safety valve；20. air accumulator gas gauge；21. air accumulator.
Specific implementation mode
The embodiment 1 of the device of the gaseous sample of the generation specified moisture of the present invention, concrete structure is as shown in Figure 1, include
Air accumulator 21, air accumulator 21 are equipped with air inlet 16 and control the air intake valve 17 that air inlet 16 is opened and closed, and gassing cycle returns
The head and the tail both ends on road with air accumulator 21 by pipeline connection, gassing cycle circuit include major loop and be connected to major loop and
The parallel arrangement of first branch and the second branch, the first branch, which is equipped with, is dried unit, and the second branch is equipped at humidification
Manage unit；Gassing cycle circuit is equipped with the choosing by being dried unit or humidification process unit for making gas-selectively
Port valve, the device for generating the gaseous sample of specified moisture further include exhaust outlet 7.
It includes device for drying and filtering 9 and the first deduster 14 set on 9 outlet side of device for drying and filtering to be dried unit, and first
Deduster 14 can absorb gas dust subsidiary from device for drying and filtering 9, in other embodiments, can use non-dust-like
Filter to omit deduster；Humidification process unit includes heating device 13, and heating device 13 is equipped with water filling port 11,
Pipeline between water filling port 11 and heating device 13 is equipped with Water filling valve 12, and heating device 13 can add the liquid water of injection
Heat is vaporous water, and gas is facilitated to be mixed with moisture.
Sluice valve includes the air accumulator solenoid valve 15 set on 21 both ends of air accumulator, the drying set on 9 both ends of device for drying and filtering
Solenoid valve 8 and cut-off valve 10 set on heating device both ends, gas can be made by controlling dry solenoid valve 8 and cut-offfing the opening and closing of valve 10
Selectivity passes through drying process unit and humidification process unit.Air accumulator 21 is equipped with the storage of gas pressure in detection air accumulator
Gas tank gas gauge 20 and the first safety valve 19 deflated when gas storage pressure inside the tank is more than to allow pressure value, air accumulator
The detection mouth 18 for detecting gas humidity in air accumulator is additionally provided on 21.
The major loop in gassing cycle circuit is equipped with compressor 6, the major loop between compressor 6 and air accumulator 21
It is equipped with the second deduster 1, the second deduster 1 can filter gas dust subsidiary in gassing cycle circuit, at it
In his embodiment, the second deduster can also be omitted in the case that ensureing that gassing cycle circuit itself is clean；Compressor 6
Inlet end be equipped with detection 6 admission pressure of compressor boost gauge 2 and when admission pressure higher than compressor 6 allow pressure when
The first pressure switch 3 that compressor 6 does not start, the outlet side of compressor 6 is protected to be equipped with the outlet pressure when compressor 6 higher than fair
Perhaps the second pressure switch 5 and the second safety valve 4 for discharging gas that compressor 6 stops at once being protected when pressure.In compressor 6
Outlet side is equipped with exhaust outlet 7, and the object gas sample of generation is discharged from exhaust outlet 7 using compressor 6 as power source, with to the greatest extent
The possible residual gas reduced in gassing cycle circuit.
The embodiment 2 of the device of the gaseous sample of the generation specified moisture of the present invention is as shown in Fig. 2, area with embodiment 1
It is not only that：It is equipped with multiple detection mouths on air accumulator, a high-precision Moisture Meter and a moisture to be checked can be connected simultaneously
Instrument, Determination result can verify Moisture Meter to be checked.
The embodiment 3 of the device of the gaseous sample of the generation specified moisture of the present invention, with differing only in for embodiment 1：
It drying solenoid valve in valve and cut-offs valve and can also unify for three-way diverter valve, make the single by being dried of gas-selectively
Member or humidification process unit.
The embodiment 4 of the device of the gaseous sample of the generation specified moisture of the present invention, with differing only in for embodiment 1：
Liquid water is converted by vaporous water by the heating device in humidification process unit in embodiment 1, it in the present embodiment, can also
Heating device is omitted, directly injects vaporous water in humidification process unit.
When not knowing the humidity of original gas, the user of the device of the gaseous sample of generation specified moisture of the invention
Method, i.e., the embodiment of the method for the gaseous sample of generation specified moisture of the invention, includes the following steps,（1）Open intake valve
The original gas of certain mass is injected gas storage by door 17 and the air accumulator solenoid valve 15 for closing air accumulator both ends by air inlet 16
In tank 21, air accumulator gas gauge 20 and the first safety valve 19 on air accumulator 21 are detecting and control in air accumulator 21
Pressure value, close air intake valve 17, by detection mouth 18 detection injection original gas humidity and with object gas sample
Humidity be compared；（2）When the humidity of original gas is less than the humidity of object gas sample, according to the original gas of injection
Mass Calculation go out the quality of the moisture of required supplement when the original gas of the quality is made object gas sample；When original
When the humidity of gas is higher than the humidity of object gas sample, then closes and cut-off valve 10 and open dry solenoid valve 8 and air accumulator electricity
Magnet valve 15, starts compressor 6 original gas in air accumulator 21 is made to pass through and be dried the device for drying and filtering 9 of unit, first remove
Processing is dried to gas in dirt device 14, so that the humidity of original gas is less than the humidity of object gas sample, after detection is dry
The humidity of original gas goes out the original gas of the quality after drying is made further according to the Mass Calculation of the original gas of injection
The quality of the moisture of required supplement when object gas sample；（3）By water filling port 11 to humidification process unit inject and step
（2）In the calculated moisture required supplementation with quality equivalent moisture, and by heating device 13 gasified be water
Steam, the air accumulator solenoid valve 15 of Open valve unit cut-off valve 10, and starting compressor 6 makes the gas in air accumulator 21 enter
Humidification process unit is mixed with the moisture of supplement, and the second deduster 1 of 6 inlet end of compressor can be to the dust in circulation loop
Filtering, boost gauge 2,5 pairs of first pressure switch 3, the second safety valve 4 and second pressure switch compressors 6 operating pressure
The start and stop of compressor are detected and are controlled, ensure the operating pressure of compressor, wait for that gas is returned in gassing cycle
The moisture of Lu Zhongyu supplements is closed after being sufficiently mixed cut-offs valve 10, and the gas that gas in air accumulator is detected by detection mouth 18 is wet
Degree, can be obtained the gaseous sample of specified moisture when gas humidity is identical with the humidity of object gas sample, by exhaust outlet 7 and
Storage facilities is connected to and starts compressor 6, and the gaseous sample of the specified moisture of generation is stored.
The device that the method for the gaseous sample of the generation specified moisture of the present invention passes through the gaseous sample of generation specified moisture
It can omit and generate dry gas respectively and moisten the step of gas mixes in proportion again, only by gas humidification or drying
The mode directly humidified afterwards can be obtained the gaseous sample for needing humidity, reduce the step of the gaseous sample of production specified moisture
Suddenly, production efficiency is improved.
The embodiment of the method for the gaseous sample of the generation specified moisture of the present invention, includes the following steps,（1）It is bright
When knowing that the humidity of original gas is higher than the humidity of object gas sample, opens air intake valve 17 and close air accumulator both ends
Air accumulator solenoid valve 15 is injected the original gas of certain mass in air accumulator 21 by air inlet 16, the storage on air accumulator 21
To detect and control the pressure value in air accumulator 21, valve 10 is cut-off in closing for gas tank gas gauge 20 and the first safety valve 19
And dry solenoid valve 8 and air accumulator solenoid valve 15 are opened, starting compressor 6 makes the original gas in air accumulator 21 pass through dry place
Processing is dried to gas in device for drying and filtering 9, the first deduster 14 of reason unit, and the humidity of original gas is made to be less than target gas
The humidity of body sample, by the humidity of original gas of the detection of detection mouth 18 after dry, according to the quality of the original gas of injection
Calculate the quality of the moisture of required supplement when the original gas of the quality after drying is made object gas sample；（3）
By water filling port 11 to humidification process unit inject and step（2）In the calculated moisture required supplementation with quality equivalent
Moisture, and it is vapor to be gasified by heating device 13, and the air accumulator solenoid valve 15 of Open valve unit cut-offs valve
10, starting compressor 6 makes the gas in air accumulator 21 enter humidification process unit to mix with the moisture of supplement, 6 air inlet of compressor
Second deduster 1 at end can be to the dust-filtering in circulation loop, boost gauge 2, the 3, second safety of first pressure switch
The operating pressure of 5 pairs of compressors 6 of valve 4 and second pressure switch is detected and controls the start and stop of compressor, ensures pressure
The operating pressure of contracting machine waits for that gas is sufficiently mixed to close later with the moisture of supplement in gassing cycle circuit and cut-offs valve
10, the gas humidity of gas in air accumulator is detected by detection mouth 18, waits for that gas humidity is identical as the humidity of object gas sample
When can be obtained the gaseous sample of specified moisture, exhaust outlet 7 is connected to storage facilities and is started compressor 6, by the spy of generation
The gaseous sample for determining humidity is stored.
The embodiment of the method for the gaseous sample of the generation specified moisture of the present invention, includes the following steps,（1）It is bright
When knowing that the humidity of original gas is less than the humidity of object gas sample, opens air intake valve 17 and close air accumulator both ends
Air accumulator solenoid valve 15 is injected the original gas of certain mass in air accumulator 21 by air inlet 16, the storage on air accumulator 21
Gas tank gas gauge 20 and the first safety valve 19 close air intake valve to detect and control the pressure value in air accumulator 21
17, by the humidity of the original gas of the detection injection of detection mouth 18, gone out the matter according to the Mass Calculation of the original gas of injection
The quality of the moisture of required supplement when object gas sample is made in the original gas of amount；（2）By water filling port 11 at humidification
Manage unit injection and step（1）In the calculated moisture required supplementation with quality equivalent moisture, and pass through heat dress
It is vapor to set 13 and gasified, and the air accumulator solenoid valve 15 of Open valve unit cut-offs valve 10, and starting compressor 6 makes gas storage
Original gas in tank 21 enters humidification process unit and is mixed with the moisture of supplement, and the second deduster 1 of 6 inlet end of compressor can
With to the dust-filtering in circulation loop, boost gauge 2, first pressure switch 3, the second safety valve 4 and second pressure switch 5
The start and stop of compressor are detected and controlled to the operating pressure of compressor 6, are ensured the operating pressure of compressor, are waited for gas
Body is closed after being sufficiently mixed with the moisture of supplement in gassing cycle circuit cut-offs valve 10, is detected and is stored up by detection mouth 18
The gas humidity of gas in gas tank, can be obtained the gas of specified moisture when gas humidity is identical as the humidity of object gas sample
Exhaust outlet 7 is connected to storage facilities and is started compressor 6, the gaseous sample of the specified moisture of generation is stored up by body sample
It deposits.
This embodiment is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (10)
1. the method for generating the gaseous sample of specified moisture, it is characterised in that：Include the following steps,（1）By on air accumulator
Air inlet injects the original gas of certain mass into air accumulator, is gone out the quality according to the Mass Calculation of the original gas of injection
Original gas the quality of the moisture of required supplement when object gas sample is made；（2）It is connect to head and the tail both ends with air accumulator
Gassing cycle circuit in humidification process unit injection and step（1）In the calculated moisture required supplementation with quality
The moisture of phase homogenous quantities, and moisture and original gas are filled by the cycle mixing in gas circulation loop.
2. the method for the gaseous sample according to claim 1 for generating specified moisture, it is characterised in that：Step（2）It is middle to
The water injected in humidification process unit is vaporous water.
3. the method for the gaseous sample according to claim 2 for generating specified moisture, it is characterised in that：The humidification process
Unit includes heating device, and liquid water is heated to be vaporous water by heating device.
4. the method for generating the gaseous sample of specified moisture, it is characterised in that：Include the following steps,（1）By on air accumulator
Air inlet injects the original gas of certain mass into air accumulator, and original gas is passed through the drying in gassing cycle circuit
Processing unit makes the humidity of original gas less than the humidity of object gas sample, head and the tail both ends and the storage in gassing cycle circuit
Gas tank connects；（2）Detecting step（1）In drying after original gas humidity, according to the quality meter of the original gas of injection
Calculate the quality of the moisture of required supplement when the original gas of the quality after drying is made object gas sample；（3）To
Humidification process unit injection in gassing cycle circuit and step（2）In the calculated moisture required supplementation with quality phase
The moisture of homogenous quantities, and moisture and original gas are filled by the cycle mixing in gas circulation loop.
5. the method for the gaseous sample according to claim 4 for generating specified moisture, it is characterised in that：Step（3）It is middle to
The water injected in humidification process unit is vaporous water.
6. the method for the gaseous sample according to claim 5 for generating specified moisture, it is characterised in that：The humidification process
Unit includes heating device, and liquid water is heated to be vaporous water by heating device.
7. the method for generating the gaseous sample of specified moisture, it is characterised in that：Include the following steps,（1）By on air accumulator
Air inlet injects the original gas of certain mass into air accumulator, detects the humidity of original gas and wet with object gas sample
Degree is compared；（2）When the humidity of original gas is less than the humidity of object gas sample, according to the matter of the original gas of injection
Gauge calculates the quality of the moisture of required supplement when the original gas of the quality is made object gas sample；Work as original gas
Humidity be higher than object gas sample humidity when, original gas is passed through into the drying process unit in gassing cycle circuit
The humidity of original gas is set to be less than the humidity of object gas sample, head and the tail both ends and the air accumulator in gassing cycle circuit connect
It connects, the humidity of the original gas after detection is dry goes out further according to the Mass Calculation of the original gas of injection by the matter after drying
The quality of the moisture of required supplement when object gas sample is made in the original gas of amount；（3）Into gassing cycle circuit
Humidification process unit injection and step（2）In the calculated moisture required supplementation with quality equivalent moisture, and lead to
The cycle mixing crossed in gas circulation loop fills into moisture and original gas.
8. the method for the gaseous sample according to claim 7 for generating specified moisture, it is characterised in that：Step（3）It is middle to
The water injected in humidification process unit is vaporous water.
9. the method for the gaseous sample according to claim 8 for generating specified moisture, it is characterised in that：The humidification process
Unit includes heating device, and liquid water is heated to be vaporous water by heating device.
10. generating the device of the gaseous sample of specified moisture, it is characterised in that：Including air accumulator, air accumulator is equipped with air inlet,
The device of the gaseous sample for generating specified moisture further includes the gassing cycle circuit that head and the tail both ends are connected to air accumulator,
Gassing cycle circuit includes major loop and the first branch and the second branch is connected to and be arranged parallel with major loop, and described first
Branch road, which is equipped with, is dried unit, and the second branch is equipped with humidification process unit, on the gassing cycle circuit
Being additionally provided with makes the sluice valve by the first branch and the second branch of gas-selectively, the gaseous sample for generating specified moisture
Device further include exhaust outlet.
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Address after: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant after: Pinggao Electric Co., Ltd., Henan Applicant after: Pinggao Group Co., Ltd. Applicant after: Electric Power Research Institute of State Grid Anhui Electric Power Company Applicant after: State Grid Corporation of China Address before: No. 22, South Ring Road, Pingdingshan, Henan, Henan Applicant before: Pinggao Electric Co., Ltd., Henan Applicant before: Pinggao Group Co., Ltd. Applicant before: Electric Power Research Institute of State Grid Anhui Electric Power Company Applicant before: State Grid Corporation of China |
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Inventor after: Zhang Jianfei Inventor after: Wang Yuchun Inventor after: Meng Fanqing Inventor after: Liu Pengliang Inventor after: Jin Guohao Inventor after: Su Zhenxi Inventor after: Ma Fengxiang Inventor after: Pei Shaoguang Inventor after: Li Yan Inventor before: Zhang Jianfei Inventor before: Wang Yuchun Inventor before: Meng Fanqing Inventor before: Liu Pengliang Inventor before: Jin Guohao Inventor before: Su Zhenxi Inventor before: Ma Fengxiang Inventor before: Pei Shaoguang Inventor before: Li Yan |
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