CN106621883A - Portable type multi-component gas diluting device - Google Patents
Portable type multi-component gas diluting device Download PDFInfo
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- CN106621883A CN106621883A CN201611232749.4A CN201611232749A CN106621883A CN 106621883 A CN106621883 A CN 106621883A CN 201611232749 A CN201611232749 A CN 201611232749A CN 106621883 A CN106621883 A CN 106621883A
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- diluted
- gas
- connector
- bit triplet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
- B01F23/19—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2114—Speed of feeding material, e.g. bands or strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2213—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2214—Speed during the operation
- B01F35/22141—Speed of feeding of at least one component to be mixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2215—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/25—Mixing waste with other ingredients
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a portable type multi-component gas diluting device. The portable type multi-component gas diluting device comprises a diluting pipeline, a first to-be-diluted pipeline and a second to-be-diluted pipeline, wherein the diluting pipeline is used for conveying diluting gas; the first to-be-diluted pipeline is used for conveying first to-be-diluted gas; the second to-be-diluted pipeline is used for conveying second to-be-diluted gas; the first to-be-diluted pipeline, the second to-be-diluted pipeline and the diluting pipeline are communicated by a tee valve, and the flows of the first to-be-diluted pipeline, second to-be-diluted pipeline and diluting pipeline are collected onto an exit pipeline after passing through a mass flowmeter, and discharged through a standard gas outlet. The portable type multi-component gas diluting device has the advantages that by arranging multiple to-be-diluted pipelines and diluting gas, multiple types of gases with target concentrations can be prepared simultaneously; the multi-component gas can be simultaneously prepared, and the study problem of crossing interference of gas in the smoke detection field is solved.
Description
Technical field
The invention belongs to environmental protecting device technical field, specifically, the present invention relates to a kind of portable multicomponent gases are dilute
Release device, for there is certain concentration one-component or multicomponent mixed gas device in places such as polluter scene, laboratorys, especially
It is applied to using High Purity Nitrogen or pure air as point gas dilution of background gas.
Background technology
Can be using normal concentration gas to monitoring device or system linearity, drift in the management of discharge of pollutant sources waste gas monitoring
The performance parameters such as shifting, accuracy carry out test Management of quality control, and the existing gas of normal concentration under normal circumstances all adopts steel cylinder gas, and
With the progressively popularization that generating set minimum discharge is transformed, polluter is particularly coal-burning power plant's exhaust gas concentration and is down to ultralow limit value,
Such as SO2：35mg/Nm3、NOx：50mg/Nm3.Scene is accomplished by the calibrating gas of low concentration and carries out Quality Control pipe to minimum discharge system
Reason, and configure bottled light concentration gas and there are problems that big preparation difficulty, high cost, stability are poor and live.
If using portable gas air mix facilities, you can need to configure variable concentrations gas according to scene, scene is met different dense
The demand of degree Standard Gases.
Realized using two-way mass flow controller more than existing standard gas dilution device, principle is using high-purity all the way
Nitrogen or compressed air carry out dilution proportion for background gas to high concentrations of gas known to another road, obtain certain concentration gas.It is such
Gas dilution device has that single function, poor anti jamming capability, portability are poor, precision is low for configuration, effusion meter drift is big, operation not
Just the problems such as.
Accordingly, it is desirable to provide a kind of improved technology scheme not enough for above-mentioned prior art.
The content of the invention
It is an object of the invention to provide a kind of portable multicomponent gases air mix facilities, at least to solve in prior art
The technical problem of the portable performance difference that calibrating gas air mix facilities is present, operate not present in prior art while can solve the problem that
Just technical problem.
In order to solve the above problems, the present invention provides a kind of portable multicomponent gases air mix facilities, and its technical scheme is such as
Under：
A kind of portable multicomponent gases air mix facilities, including dilution pipeline, for conveying diluent gas；First is to be diluted
Pipeline, for conveying the first gas to be diluted；Second pipeline to be diluted, for conveying the second gas to be diluted；Described first
Pipeline to be diluted is provided with the second two-bit triplet electromagnetic valve, and the first connector of the second two-bit triplet electromagnetic valve and second connect
Interface is both connected on the described first pipeline to be diluted；The 3rd two-bit triplet electromagnetism is provided with the described second pipeline to be diluted
Valve, first connector and the second connector of the 3rd two-bit triplet electromagnetic valve are both connected to the described second pipeline to be diluted
On；Diversion three-way valve is provided with the dilution pipeline, first connector and the second connector of the diversion three-way valve connect
It is connected on the dilution pipeline, the 3rd connector of the diversion three-way valve is connected to described 3rd two three by tie point
On 3rd connector of three-way electromagnetic valve；The three-way valve that confluxes, the first company of the three-way valve that confluxes are provided with the tie point
Interface and the second connector are both connected in the tie point, and the 3rd connector of the three-way valve that confluxes passes through the second branch road
It is connected on the 3rd connector of the second two-bit triplet electromagnetic valve；The first mass flow is provided with the dilution pipeline
Meter, on the described first pipeline to be diluted the second mass flowmenter is provided with, and on the described second pipeline to be diluted the 3rd matter is provided with
Amount effusion meter；The tail end of the dilution pipeline, first pipeline to be diluted and second pipeline to be diluted confluxes in outlet
Exported by Standard Gases outlet on pipeline.
Portable multicomponent gases air mix facilities described above, more preferably：Also include deep cooling heated for controlling temperature constant temperature
Box, to first mass flowmenter, second mass flowmenter and the 3rd mass flowmenter thermostatic control is carried out.
Portable multicomponent gases air mix facilities described above, more preferably：Also include air pipe line；It is air-dried
Device, installed in the head end of the air pipe line；Filter, on the air pipe line and positioned at described dress is air-dried
The rear put；High pressure air pump, on the air pipe line and positioned at the rear of the filter；With the first two-bit triplet
Electromagnetic valve, on the dilution pipeline, first connector and the second connector of the first two-bit triplet electromagnetic valve is equal
It is connected on the dilution pipeline, the tail end of the air pipe line is connected to the 3rd connection of the first two-bit triplet electromagnetic valve
On mouth.
Portable multicomponent gases air mix facilities described above, more preferably：The first two-bit triplet electromagnetic valve
Positioned at the front of the diversion three-way valve.
Portable multicomponent gases air mix facilities described above, more preferably：Also include normal flow generating meanss,
It is connected with first mass flowmenter, second mass flowmenter and the 3rd mass flowmenter respectively, for realizing
The calibration of first mass flowmenter, second mass flowmenter and the 3rd mass flowmenter.
Portable multicomponent gases air mix facilities described above, more preferably：Also include gas mixing device, installed in institute
State on export pipeline, for gas mixing is uniform.
Portable multicomponent gases air mix facilities described above, more preferably：The gas mixing device is the remittance of strong flow-disturbing
Stream tank.
Portable multicomponent gases air mix facilities described above, more preferably：The strong flow-disturbing confluxes tank including tank
Body, for providing receiving space；Air inlet pipe, the lower sidewall position on front side of the tank body；Escape pipe, positioned at the tank body
The side wall upper part position of rear side；First spoiler, in the tank body, before the antetheca and tank body of first spoiler
Side inwall laminating, formed gas passage between the rear wall of first spoiler and the rear side inwall of tank body, gas is disturbed by first
Gas passage of crossing between stream plate and tank body is flowed up；With the second spoiler, in the tank body and be located at described first
The top of spoiler, the rear wall of the second spoiler is fitted with the rear side inwall of tank body, before the antetheca and tank body of the second spoiler
Gas passage was formed between the inwall of side, gas is flowed up by the gas passage of crossing between the second spoiler and tank body.
Portable multicomponent gases air mix facilities described above, more preferably：Also include the first pressure regulator valve, be arranged on
On the dilution pipeline, and positioned at the front of the first two-bit triplet electromagnetic valve, for pressure regulation；Second pressure regulator valve, is arranged on
On first pipeline to be diluted, and positioned at the front of the second two-bit triplet electromagnetic valve, for pressure regulation；3rd pressure regulator valve,
It is arranged on the described second pipeline to be diluted, and positioned at the front of the 3rd two-bit triplet electromagnetic valve, for pressure regulation.
Portable multicomponent gases air mix facilities described above, more preferably：Also include constant pressure before first flowmeter
Device, is arranged on the dilution pipeline, and positioned at the front of first mass flowmenter；Constant pressure dress before second flowmeter
Put, be arranged on the described first pipeline to be diluted, and positioned at the front of second mass flowmenter；Constant pressure before 3rd effusion meter
Device, is arranged on the described second pipeline to be diluted, and positioned at the front of the 3rd mass flowmenter.
Analysis understands that compared with prior art, the advantages of the present invention are：The present invention has integrated level
Height, compact conformation, small volume and advantage easy to carry.The deep cooling heated for controlling temperature constant temp. box that the present invention is adopted has high-accuracy and constant
Warm control function, it is to avoid impact of the electric circuit temperature drift to distribution precision；Intelligence degree is high, using industry control flat board as master control
Device, degree of stability is high；There is normal concentration in achievable multicomponent, solve the research puzzle of multicomponent cross interference simultaneously；Carry height
Pressure air pump is taken as pump, can purge as carrier gas background gas and full-range anticorrosion from pure air is produced, existing
Field strong adaptability.Multimass effusion meter coordinates the distribution for being also capable of achieving one-component width thinner ratio.
Description of the drawings
Fig. 1 is the block schematic illustration of the portable multicomponent gases air mix facilities of the preferred embodiment of the present invention；
Fig. 2 confluxes the structural representation of tank for the strong flow-disturbing of the preferred embodiment of the present invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the block schematic illustration of the shell of the preferred embodiments of the present invention；
In figure：1- diluent gas；The gases to be diluted of 2- first；The gases to be diluted of 3- second；The pressure regulator valves of 41- first；42-
Two pressure regulator valves；The pressure regulator valves of 43- the 3rd；51- the first two-bit triplet electromagnetic valves；52- the second two-bit triplet electromagnetic valves；The 3rd liang of 53-
Position-3-way solenoid valve；6- confluxes three-way valve；7- diversion three-way valves；The mass flowmenters of 81- first；The mass flowmenters of 82- second；
The mass flowmenters of 83- the 3rd；Constant voltage equipment before 91- first flowmeters；Constant voltage equipment before 91- second flowmeters；The flows of 93- the 3rd
Constant voltage equipment before meter；The strong flow-disturbings of 10- conflux tank；101- air inlet pipe；102- escape pipes；The spoilers of 103- first；104- second is disturbed
Stream plate；11- outlet constant voltage equipments；12- air dry-sets；13- filters；14- high pressure air pumps；15- deep cooling heated for controlling temperature
Constant temp. box；16- Standard Gases are exported；17- shells.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and detailed description.It should be noted that not
In the case of conflict, the embodiment and the feature in embodiment in the present invention can be mutually combined.
In describing the invention, term " longitudinal direction ", " horizontal ", " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describing the present invention rather than requiring that the present invention must be with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Term " connected " used in the present invention, " connection " should be interpreted broadly, for example, it may be fixedly connected,
Can also be detachably connected；Can be joined directly together, it is also possible to be indirectly connected to by intermediate member, it is common for this area
For technical staff, the concrete meaning of above-mentioned term can be as the case may be understood.
As shown in Figure 1, Figure 2 and Figure 3, the portable multicomponent gases air mix facilities of the preferred embodiment of the present invention mainly includes
Dilution pipeline (not shown), for conveying diluent gas 1；First pipeline (not shown) to be diluted is to be diluted for conveying first
Gas 2；Second pipeline (not shown) to be diluted, for conveying the second gas to be diluted 3；Is provided with the first pipeline to be diluted
Two two-bit triplet electromagnetic valves 52, first connector and the second connector of the second two-bit triplet electromagnetic valve 52 are both connected to first and treat
On dilution pipeline；The 3rd two-bit triplet electromagnetic valve 53 is provided with the second pipeline to be diluted, the 3rd two-bit triplet electromagnetic valve 53
First connector and the second connector are both connected on the second pipeline to be diluted；Diversion three-way valve 7 is provided with dilution pipeline, point
First connector and the second connector of stream three-way valve 7 is both connected to dilute on pipeline, and the 3rd connector of diversion three-way valve 7 leads to
Cross tie point to be connected on the 3rd connector of the 3rd two-bit triplet electromagnetic valve 53；The three-way valve that confluxes is provided with the first leg
6, first connector and the second connector of the three-way valve 6 that confluxes are all connected with the first leg, the 3rd connection of the three-way valve 6 that confluxes
Mouth is connected on the 3rd connector of the second two-bit triplet electromagnetic valve 52 by the second branch road；The first matter is provided with dilution pipeline
Amount effusion meter 81, is provided with the second mass flowmenter 82 on the first pipeline to be diluted, and on the second pipeline to be diluted the 3rd is provided with
Mass flowmenter 83；The tail end of dilution pipeline, the first pipeline to be diluted and the second pipeline to be diluted confluxes and leads on export pipeline
Cross Standard Gases outlet 16 to export.
Sum it up, the portable multicomponent gases air mix facilities that provides of the present invention by arrange multichannel pipeline to be diluted and
Diluent gas, such as the first gas to be diluted 2 are sulfur dioxide, and the second gas to be diluted 3 is nitric oxide, the 3rd gas to be diluted
For other, diluent gas 1 is that High Purity Nitrogen or startup sampling are pumped into air；So can simultaneously configure plurality of target concentration gas
Body；And multicomponent gases can be simultaneously configured, solve the research puzzle of flue gas inspection field gas cross interference；Furthermore this
Conflux three-way valve 6 and the diversion three-way valve 7 of bright setting combines diluent gas 1 when being air, can be by air to the first mass
Effusion meter 81, the second mass flowmenter 82 and the 3rd mass flowmenter 83 are purged and calibrated；Again can be to the first pipe to be diluted
Road and the second pipeline to be diluted are cleared up.
In order to make mass flowmenter in Suitable ranges, as shown in figure 1, present invention additionally comprises deep cooling adds thermal control
Warm constant temp. box 15, to the first mass flowmenter 81, the second mass flowmenter 82 and the 3rd mass flowmenter 83 and control circuit portion
Dividing carries out thermostatic control.In the present invention, the first mass flowmenter 81, the second mass flowmenter 82 and the 3rd mass flowmenter 83
Positioned at same vertical position, i.e. the first mass flowmenter 81, the second mass flowmenter 82 and the 3rd mass flowmenter 83 in arranged side by side
Arrange and positioned at the same vertical position of differing heights.The present invention adopts deep refrigerating heated for controlling temperature technology, to mass flowmenter
And control circuit part adopts narrow thermostatic control, temperature control precision is reduced because of the zones of different temperature difference pair up to 0.1 degree Celsius
The temperature drift effects that circuit is caused so that condition is consistent when calibration when mass flowmenter works, solve temperature drift
Move the impact to distribution precision.
The present invention is using digital communication mode to the first mass flowmenter 81, the second mass flowmenter 82 and the 3rd quality stream
Gauge 83 carries out flow set and closed loop feedback flow monitoring；With control accuracy is higher, stability is higher, response is faster
Feature, at the scene anti-interference type is higher for digital communication mode, may be implemented in long-time under the conditions of industry spot complexity electromagnetic interference
Stable distribution；In the present invention, selection is ground Chinese workers' control flat board and carries out digital communication.
The present invention using pure air as diluent gas, or can utilize pure air sometimes in dilution
Purging function is carried out to the full gas circuit of the present invention, based on this, as shown in figure 1, present invention additionally comprises air pipe line (not shown), empty
Gas drying device 12, installed in the head end of air pipe line；Filter 13, on air pipe line and positioned at air dry-set
12 rear；High pressure air pump 14, on air pipe line and positioned at the rear of filter 13；With the first two-bit triplet electromagnetism
Valve 51, on dilution pipeline, first connector and the second connector of the first two-bit triplet electromagnetic valve 51 are both connected to dilute
Release on pipeline, the tail end of air pipe line is connected on the 3rd connector of the first two-bit triplet electromagnetic valve 51.Preferably first liang
Position-3-way solenoid valve 51 is located at the front of diversion three-way valve 7.Present invention configuration high pressure air pump 14, makees using pure air
Distribution dilution or full gas circuit purging function are carried out for background gas, 1. because diluent gas is mainly with High Purity Nitrogen as background gas, is consumed
Amount is huge, and background gas can be used air as in the case where Oxygen Condition is not considered to dilute aimed concn gas；2. it is often during distribution
Using high standard gas such as SO2, NO etc., all with certain corrosion type, the present invention is by the first two-bit triplet electromagnetic valve 51
The front of diversion three-way valve 7 is arranged on, whole process pure air purging function can be carried out using after terminating in the present invention, kept away
Exempt from residual gas and corrosion damage is caused to mass flowmenter and each pipeline.
In the present invention, also including normal flow generating meanss (not shown), respectively with the first mass flowmenter 81, second
Mass flowmenter 82 is connected with the 3rd mass flowmenter 83, for realizing the first mass flowmenter 81, the second mass flowmenter 82
With the calibration of the 3rd mass flowmenter 83.Mass flow controller software calibration function is realized, in hardware not side is directly calibrated
When just, can be combined with software using normal flow generating meanss and be calibrated.
The mixed gas of Quick uniform under in order to realize different flow, it is ensured that the Standard Gases even concentration of generation, such as Fig. 1 institutes
Show, present invention additionally comprises gas mixing device, on export pipeline, for gas mixing is uniform.As shown in figure 1, of the invention
Gas mixing device conflux tank 10 for strong flow-disturbing.As shown in Figures 2 and 3, preferably, strong flow-disturbing confluxes tank 10 including tank body, is used for
Receiving space is provided；Air inlet pipe 101, the lower sidewall position on front side of tank body；Escape pipe 102, the side on rear side of tank body
Wall upper position；First spoiler 103, in tank body, the antetheca of the first spoiler 103 is pasted with the front inner wall of tank body
Close, formed gas passage between the rear wall of the first spoiler 103 and the rear side inwall of tank body, gas by the first spoiler 103 with
Gas passage of crossing between tank body is flowed up；With the second spoiler 104, in tank body and first spoiler 103 is located at
Top, the rear wall of the second spoiler 104 is fitted with the rear side inwall of tank body, the antetheca of the second spoiler 104 and the front side of tank body
Gas passage was formed between inwall, gas is flowed up by the gas passage of crossing between the second spoiler 104 and tank body.In the present invention
In, air inlet pipe 101 is located at bottom, is up followed successively by the first spoiler 103, the second spoiler 104 and gas outlet 102.In order to
Uniform effect can be further functioned as, between the straight line and the centrage of tank body at the place of air inlet pipe 101 of the present invention folder is formed
Angle, the angle of preferred angle is 45 °；Formed between the straight line and the centrage of tank body at escape pipe 102 of the invention place in the same manner
Angle, the angle of preferred angle is 45 °.The gas mixing device inside of the present invention is designed using strong turbulence structure, is capable of achieving not cocurrent flow
The mixed gas of the lower Quick uniform of amount, it is ensured that the Standard Gases even concentration of generation.
For the ease of the Stress control to diluent gas 1, as shown in figure 1, present invention additionally comprises the first pressure regulator valve 41, is arranged
On dilution pipeline, and positioned at the front of the first two-bit triplet electromagnetic valve 51, for pressure regulation.In the same manner, present invention additionally comprises second
Pressure regulator valve 42, is arranged on the first pipeline to be diluted, and positioned at the front of the second two-bit triplet electromagnetic valve 52, for pressure regulation.This
Invention also includes the 3rd pressure regulator valve 43, is arranged on the second pipeline to be diluted, and before the 3rd two-bit triplet electromagnetic valve 53
Side, for pressure regulation.
Diluent gas 1 enter the first mass flowmenter 81 before, need to carry out constant pressure to diluent gas 1, based on this, such as
Shown in Fig. 1, present invention additionally comprises constant voltage equipment 91 before first flowmeter, are arranged on dilution pipeline, and positioned at the first quality stream
The front of gauge 81.In concrete setting, constant voltage equipment 91 is located at the rear of diversion three-way valve 7 before first flowmeter.In the same manner, this
It is bright also to include constant voltage equipment 92 before second flowmeter, it is arranged on the first pipeline to be diluted, and positioned at the second mass flowmenter 82
Front.Present invention additionally comprises constant voltage equipment 93 before the 3rd effusion meter, is arranged on the second pipeline to be diluted, and positioned at the 3rd matter
The front of amount effusion meter 83.
In order to guarantee the gas after diluting in voltage stabilizing state, as shown in figure 1, present invention additionally comprises outlet constant pressure dress
11 are put, is arranged on export pipeline, and positioned at the rear of gas mixing device.
What the present invention was arranged conflux three-way valve 6 and diversion three-way valve 7 can be realized being passed through the two-way mass flowmenter of gas
Configuration is used, it is ensured that the distribution precision of carrier gas.
In practice, the mass flowmenter of the present invention adopts Sevenstar-HC CS100 Series Digital mass flowmenters,
It is that 500ml/min, C are 2L/min that range is respectively A for 2L/min, B, according to thinner ratio in flow restriction, this time dilution computing
In relate only to 2L/min High Purity Nitrogens and participate in dilution with the sulfur dioxide on the tunnels of 500ml/min mono- all the way；It is highly concentrated that the present invention is used
Degree calibrating gas are 6000mg/M3Sulfur dioxide, background gas are High Purity Nitrogen (99.999%)；Configuration flow is 1L/min, concentration
For 200mg/M3、100mg/M3、50mg/M3、25mg/M3；Thermostatic control is at 25 DEG C ± 0.1 DEG C；Close using Jiangsu metering universities and colleges are accurate
Instrument is used as datum mark after lattice.
As shown in figure 4, present invention additionally comprises shell 17, for accommodating pressure regulator valve, two-bit triplet electromagnetic valve, threeway of confluxing
Before valve, diversion three-way valve, mass flowmenter, effusion meter constant voltage equipment, strong flow-disturbing conflux tank, outlet constant voltage equipment, be air-dried
Device, filter, high pressure air pump, deep cooling heated for controlling temperature constant temp. box；The present invention is provided with carrying handle (not on the top of shell 17
Diagram).The present invention is accommodated miscellaneous part in it by shell 17, makes the present invention have compact conformation, small volume and carrying side
Just the characteristics of.
Analysis understands that compared with prior art, the advantages of the present invention are：The present invention has integrated level
Height, compact conformation, small volume and advantage easy to carry.The deep cooling heated for controlling temperature constant temp. box 15 that the present invention is adopted has high accuracy
Thermostatic control function, it is to avoid impact of the electric circuit temperature drift to distribution precision；Intelligence degree is high, using industry control flat board as master control
Device, degree of stability is high；There is normal concentration in achievable multicomponent, solve the research puzzle of multicomponent cross interference simultaneously；Carry height
Pressure air pump 14 is taken as pump, can purge as carrier gas background gas and full-range anticorrosion from pure air is produced,
Live strong adaptability.Multimass effusion meter coordinates the distribution for being also capable of achieving one-component width thinner ratio.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or the embodiment party of essential feature
Case is realizing.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute
Have and be included in the invention within the scope of the present invention or in the change being equal in the scope of the present invention.
Claims (10)
1. a kind of portable multicomponent gases air mix facilities, it is characterised in that include：
Dilution pipeline, for conveying diluent gas；
First pipeline to be diluted, for conveying the first gas to be diluted；
Second pipeline to be diluted, for conveying the second gas to be diluted；
It is provided with the second two-bit triplet electromagnetic valve on the described first pipeline to be diluted, the first of the second two-bit triplet electromagnetic valve
Connector and the second connector are both connected on the described first pipeline to be diluted；The 3rd is provided with the described second pipeline to be diluted
Two-bit triplet electromagnetic valve, first connector and the second connector of the 3rd two-bit triplet electromagnetic valve are both connected to described second
On pipeline to be diluted；Diversion three-way valve, first connector and second of the diversion three-way valve are provided with the dilution pipeline
Connector is both connected on the dilution pipeline, and the 3rd connector of the diversion three-way valve is connected to described by tie point
On 3rd connector of the 3rd two-bit triplet electromagnetic valve；The three-way valve that confluxes, the threeway of confluxing are provided with the tie point
First connector and the second connector of valve is both connected in the tie point, and the 3rd connector of the three-way valve that confluxes leads to
Cross the second branch road to be connected on the 3rd connector of the second two-bit triplet electromagnetic valve；First is provided with the dilution pipeline
Mass flowmenter, on the described first pipeline to be diluted the second mass flowmenter is provided with, and is set on the described second pipeline to be diluted
There is the 3rd mass flowmenter；The tail end of the dilution pipeline, first pipeline to be diluted and second pipeline to be diluted converges
Stream is exported on export pipeline by Standard Gases outlet.
2. portable multicomponent gases air mix facilities according to claim 1, it is characterised in that also include：
Deep cooling heated for controlling temperature constant temp. box, to first mass flowmenter, second mass flowmenter and the 3rd mass
Effusion meter carries out thermostatic control.
3. portable multicomponent gases air mix facilities according to claim 1, it is characterised in that also include：
Air pipe line；
Air dry-set, installed in the head end of the air pipe line；
Filter, on the air pipe line and positioned at the rear of the air dry-set；
High pressure air pump, on the air pipe line and positioned at the rear of the filter；With
First two-bit triplet electromagnetic valve, on the dilution pipeline, the first connection of the first two-bit triplet electromagnetic valve
Mouth and the second connector are both connected on the dilution pipeline, and the tail end of the air pipe line is connected to first two-bit triplet
On 3rd connector of electromagnetic valve.
4. portable multicomponent gases air mix facilities according to claim 3, it is characterised in that：
The first two-bit triplet electromagnetic valve is located at the front of the diversion three-way valve.
5. portable multicomponent gases air mix facilities according to claim 1, it is characterised in that also include：
Normal flow generating meanss, respectively with first mass flowmenter, second mass flowmenter and the 3rd matter
Amount effusion meter is connected, for realizing first mass flowmenter, second mass flowmenter and the 3rd mass flow
The calibration of meter.
6. portable multicomponent gases air mix facilities according to claim 1, it is characterised in that also include：
Gas mixing device, on the export pipeline, for gas mixing is uniform.
7. portable multicomponent gases air mix facilities according to claim 6, it is characterised in that：
The gas mixing device confluxes tank for strong flow-disturbing.
8. portable multicomponent gases air mix facilities according to claim 7, it is characterised in that the strong flow-disturbing confluxes tank
Including：
Tank body, for providing receiving space；
Air inlet pipe, the lower sidewall position on front side of the tank body；
Escape pipe, the side wall upper part position on rear side of the tank body；
First spoiler, in the tank body, the antetheca of the first spoiler is fitted with the front inner wall of tank body, described
Gas passage was formed between the rear wall of the first spoiler and the rear side inwall of tank body, gas is by between the first spoiler and tank body
Cross gas passage to flow up；With
Second spoiler, in the tank body and be located at first spoiler top, the rear wall of the second spoiler with
The rear side inwall laminating of tank body, formed gas passage between the antetheca of the second spoiler and the front inner wall of tank body, gas is by the
Gas passage of crossing between two spoilers and tank body is flowed up.
9. portable multicomponent gases air mix facilities according to claim 3, it is characterised in that also include：
First pressure regulator valve, is arranged on the dilution pipeline, and positioned at the front of the first two-bit triplet electromagnetic valve, for adjusting
Pressure；
Second pressure regulator valve, is arranged on the described first pipeline to be diluted, and positioned at the front of the second two-bit triplet electromagnetic valve,
For pressure regulation；
3rd pressure regulator valve, is arranged on the described second pipeline to be diluted, and positioned at the front of the 3rd two-bit triplet electromagnetic valve,
For pressure regulation.
10. portable multicomponent gases air mix facilities according to claim 1, it is characterised in that also include：
Constant voltage equipment before first flowmeter, is arranged on the dilution pipeline, and positioned at the front of first mass flowmenter；
Constant voltage equipment before second flowmeter, is arranged on the described first pipeline to be diluted, and positioned at second mass flowmenter
Front；
Constant voltage equipment before 3rd effusion meter, is arranged on the described second pipeline to be diluted, and positioned at the 3rd mass flowmenter
Front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232749.4A CN106621883A (en) | 2016-12-28 | 2016-12-28 | Portable type multi-component gas diluting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611232749.4A CN106621883A (en) | 2016-12-28 | 2016-12-28 | Portable type multi-component gas diluting device |
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| CN106621883A true CN106621883A (en) | 2017-05-10 |
Family
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|---|---|---|---|
| CN201611232749.4A Pending CN106621883A (en) | 2016-12-28 | 2016-12-28 | Portable type multi-component gas diluting device |
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| CN107941860A (en) * | 2017-11-10 | 2018-04-20 | 中国人民解放军陆军防化学院 | Gas generating unit, air distributing device and gas-detecting device |
| CN108097138A (en) * | 2017-11-29 | 2018-06-01 | 中国海洋石油集团有限公司 | Light hydrocarbons measured portions mixing arrangement |
| CN108225855A (en) * | 2018-01-17 | 2018-06-29 | 环境保护部华南环境科学研究所 | One kind can temperature control combustion chamber and flue gas dilution sampling system |
| CN108896704A (en) * | 2018-05-10 | 2018-11-27 | 四川理工学院 | A kind of sampling of gas on-line dilution and standard gas generating device and method |
| CN110389602A (en) * | 2018-04-19 | 2019-10-29 | 中国石油化工股份有限公司 | Method for controlling the content of specific gas in target container |
| WO2020042594A1 (en) * | 2018-08-28 | 2020-03-05 | 武汉华星光电技术有限公司 | Gas flow monitoring system and method, and method for switching between main and backup pipes |
| CN111617649A (en) * | 2020-05-06 | 2020-09-04 | 酒泉顺鑫气体股份有限公司 | Novel gas mixer and use method |
| CN114486470A (en) * | 2021-12-31 | 2022-05-13 | 南京理工大学 | Multi-path gas smoke generation and scattering integrated device |
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| CN111617649A (en) * | 2020-05-06 | 2020-09-04 | 酒泉顺鑫气体股份有限公司 | Novel gas mixer and use method |
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Application publication date: 20170510 |