CN107812454A - A kind of multicomponent gas intelligent proportioning system - Google Patents
A kind of multicomponent gas intelligent proportioning system Download PDFInfo
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- CN107812454A CN107812454A CN201710917510.9A CN201710917510A CN107812454A CN 107812454 A CN107812454 A CN 107812454A CN 201710917510 A CN201710917510 A CN 201710917510A CN 107812454 A CN107812454 A CN 107812454A
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- mixed gas
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- 238000002156 mixing Methods 0.000 claims abstract description 133
- 238000012384 transportation and delivery Methods 0.000 claims description 28
- 210000004907 gland Anatomy 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 206
- 239000008246 gaseous mixture Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
-
- 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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a kind of gas mixing ratio decorum, including Gas mixing valve, the Gas mixing valve is connected with 1# automatic mixing valves, the 1# automatic mixings valve for balancing with inputting gas A, the 1# bascules of B pressure are connected, 1# bascules connection input gas A, B air inlet pipe, the Gas mixing valve is also connected with 2# automatic mixing valves, the 2# automatic mixings valve is connected with for balancing input gas C with the 2# bascules of mixed gas A+B pressure, 2# bascules connection input gas C air inlet pipe, the mixed gas A+B of 1# automatic mixing valves pipeline at output connection, mixed gas A+B pipeline at output connects the B inputs of Gas mixing valve and 2# bascules respectively.Automatic mixing valve can efficiently, accurately realize the automatic mixing match of gas, can be with remote control, and simple to operate, easy to use, the stability and security exported to its gas has high guarantee.
Description
Technical field
The present invention relates to a kind of gas mixing ratio decorum, more particularly to a kind of multicomponent gas intelligent proportioning system.
Background technology
Gas mixing ratio system is used exclusively for the device of three kinds and multiple gases mixing, and the device will ensure gas mixing ratio
Uniformity and accuracy, the gas that also ensure to enter matching system is voltage stabilizing state, and will not changing because of gas component
Become and cause to flow back, the stability and security of accuracy and gas output to the device propose higher requirement.
The content of the invention
The present invention is in order to make up the deficiencies in the prior art, there is provided a kind of multicomponent gas intelligence easy to use, simple to operate
Can matching system.
The present invention is achieved through the following technical solutions：
A kind of multicomponent gas intelligent proportioning system, including Gas mixing valve, the Gas mixing valve are connected with 1# automatic mixing valves, and the 1# matches somebody with somebody automatically
It is connected than valve with the 1# bascules for balancing input gas A, B pressure, the 1# bascules connection input gas A, B's enters
Tracheae, the Gas mixing valve are also connected with 2# automatic mixing valves, and the 2# automatic mixings valve for balancing with inputting gas C and mixed gas
The 2# bascules of A+B pressure are connected, the mixing of the 2# bascules connection input gas C air inlet pipe, 1# automatic mixing valves
Gas A+B pipeline at output connection, mixed gas A+B pipeline at output connect the B of Gas mixing valve and 2# bascules respectively
Input.
Further improvement of the present invention is：
Multicomponent gas intelligent proportioning system of the present invention, the 1# automatic mixings valve connect servomotor, the servo by the junctor that links
Motor is connected with motor servo driver, and motor servo driver is connected with PLC, PLC
It is connected with touching display screen.
Multicomponent gas intelligent proportioning system of the present invention, 1# automatic mixings valve include mixing valve main body A, proportioning valve body B, matched somebody with somebody
It is placed in than valve body A before proportioning valve body B, movable valve plug one end is fixed on linkage junctor, and the other end passes through mixing valve
Main body A is placed in proportioning valve body B inside, and the corner of mixing valve main body A inner space is right angle, the movable valve plug it is anterior narrow
And rear portion is wide, the anterior end close to the position of front end and front portion of movable valve plug is respectively provided with cone angle, and the mixing valve main body A passes through gas
Body A conveyance conduits are connected with the A gas vents of 1# bascules, and the proportioning valve body B is balanced by gas B conveyance conduits and 1#
The B gas vents connection of device, mixing valve main body A and proportioning valve body B are defeated by mixing valve connector and mixed gas A+B
Pipeline is sent to connect, mixed gas A+B conveyance conduits connect the mixed gas A+B of 2# bascules by 1# cutting-off valves respectively
Input, broken valve connection mixed gas A+B+C pipelines by 2#.
Multicomponent gas intelligent proportioning system of the present invention, 2# automatic mixings valve include mixing valve main body A, proportioning valve body B, matched somebody with somebody
It is placed in than valve body A before proportioning valve body B, movable valve plug one end is fixed on linkage junctor, and the other end passes through mixing valve
Main body A is placed in proportioning valve body B inside, and the corner of mixing valve main body A inner space is right angle, the movable valve plug it is anterior narrow
And rear portion is wide, the anterior end close to the position of front end and front portion of movable valve plug is respectively provided with cone angle, and the mixing valve main body A passes through gas
The gas C outlets of body C output channels and 2# bascules connect, and the proportioning valve body B is defeated by mixed gas A+B mixed gas
The mixed gas A+B outlets for going out pipeline and 2# bascules connect, and mixing valve main body A passes through mixing valve with proportioning valve body B
Connector is connected with A+B+C mixed gas pipelines road, and the A+B+C gaseous mixture pipelines are connected with Gas mixing valve, is set and is divided in Gas mixing valve
Flow tube, the isocon are connected with mixed gas pipeline road, air outlet adapter respectively.
Multicomponent gas intelligent proportioning system of the present invention, PLC connect touching type operation display screen, electricity respectively
Source switch, fault alarm, touching type operation display screen, power switch, fault alarm are controlled by PLC
Device.
Multicomponent gas intelligent proportioning system of the present invention, between mixing valve main body A and gas A conveyance conduits, match valve body B
With gas B conveyance conduits, mixing valve main body A and proportioning valve body B respectively between mixing valve connector, mixing valve connector with
Pipe joint, transit joint are installed successively between mixed gas pipeline road, big joint is installed behind proportioning valve body B, should
Big joint is connected with transit joint.
Multicomponent gas intelligent proportioning system of the present invention, the 1# bascules and 2# bascules include bonnet with it is corresponding
Gland, bonnet are pressed in corresponding gland and form air chamber, install valve base on gland respectively, valve core, valve are installed in valve base
In-core installs valve inner core, is cased with shutter spring on the valve inner core, the top that one end of the shutter spring is placed in inside valve base
End, the other end are placed in the groove of gland bottom surface, and the groove is located in the projection of gland bottom surface, between valve inner core and valve base
Valve head, valve sealing gasket are set respectively, air pressure film A, center valve body, air pressure film B are set gradually between two glands.
Multicomponent gas intelligent proportioning system of the present invention, 1# bascules are connected with inputting gas A, B air inlet pipe respectively, 1#
Bascule is connected through gas A output channels, gas B output channels with 1# automatic mixing valves respectively, and air chamber is successively through joint, pipe
Joint is connected with automatic mixing valve, sets corresponding flared coupling on bonnet, valve base respectively.
Multicomponent gas intelligent proportioning system of the present invention, 2# bascules respectively with input gas C air inlet pipe and gaseous mixture
Body A+B output channels are connected, and 2# bascules are matched somebody with somebody automatically through gas C output channels, mixed gas A+B conveyance conduits and 2# respectively
Connected than valve, air chamber connects through joint, pipe joint and automatic mixing valve successively, sets corresponding expand on bonnet, valve base respectively
Mouth formula pipe joint.
Multicomponent gas intelligent proportioning system of the present invention, in addition to the input of control pressure table, A gas input pressures table, B gases
Pressure gauge, C gas input pressures table, mixed gas delivery gauge, input pressure sensor, 1# regulating valves, 2# regulating valves, electricity
Magnet valve, gas B infrared ray gas analyzers, gas C infrared ray gas analyzers, wherein, control pressure table and 2# bascules
Connection, gas A input pressures table, gas B input pressures table, gas C input pressures table connect with corresponding air inlet pipe, gaseous mixture
Body delivery gauge is connected with Gas mixing valve output gas, and input pressure sensor is connected with balanced valve A input gas, 1# balances
Device gas output end is connected with 1# automatic mixing valves, and 2# bascules gas output end is connected with 2# automatic mixing valves,
Magnetic valve is arranged between Gas mixing valve and air outlet adapter, more directly perceived during in order to observe at the scene, thus there is provided control pressure table,
Gas A input pressures table, gas B input pressures table, gas C input pressures table, mixed gas delivery gauge.
Multicomponent gas intelligent proportioning system of the present invention, gas A output channels, gas B output channels, gas C output channels,
Check valve is respectively provided with gaseous mixture A+B output channels.
The beneficial effects of the invention are as follows：It can be used with 2 yuan or 3 yuan switchings, facilitate what user needed because welding material is different
The problems such as protective gas switching is inconvenient.Automatic mixing valve can efficiently, accurately realize the automatic mixing match of gas, Ke Yiyuan
Process control, it is simple to operate, easy to use, there is high guarantee to the stability and security of the output of its gas.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is schematic front view of the invention；
Accompanying drawing 2 is structural perspective A of the invention；
Accompanying drawing 3 is structural perspective B of the invention；
Accompanying drawing 4 is the automatic mixing valve of the present invention and the schematic diagram of servomotor；
Accompanying drawing 5 is the sectional view in accompanying drawing 4E-E sections；
Accompanying drawing 6 is the sectional view in accompanying drawing 4F-F sections；
Accompanying drawing 7 is the structural representation of bascule；
Accompanying drawing 8 is the sectional view in accompanying drawing 7D-D sections；
Accompanying drawing 9 is the sectional view in accompanying drawing 7B-B sections；
Accompanying drawing 10 is the structural representation of the outside of accompanying drawing 7；
Accompanying drawing 11 is the structural representation of Gas mixing valve；
Accompanying drawing 12 is the sectional view in accompanying drawing 11B-B sections；
Accompanying drawing 13 is the sectional view in accompanying drawing 11C-C sections.
In figure, 1 gas C infrared ray gas analyzers, 2 gas B infrared ray gas analyzers, 3 touching type operation display screens,
4 mixed gas delivery gauges, 5 gas C input pressure tables, 6 fault alarms, 7 gas B body input pressure tables, 8 power switches, 9
Gas A input pressure tables, 10,2# automatic mixing valves, 11 gas A+B output one-way valves, 12 mixed gas pressure sensor outputs,
13 mixed gas output ends, 14 mixed gas delivery valves, 15 gas C output one-way valves, 16 gas C input pressure sensors,
17th, 2# bascules, 18,2# bascules detection valve 1,19,2# bascules detection the mixed gas A+B delivery valve A of valve 2,20,
21 mixed gas A+B delivery valves B, 22 gas B input pressure sensors, 23,1# bascule pressure regulator valves, the inspection of 241# bascules
Side valve A, 25 gas C air inlet pipe, 261# bascules detection valve B, 27 gas B air inlet pipe, 28 gas A air inlet pipe, 29,1# balance
Device, 30 gas B output one-way valves, 31 gas A output one-way valves, 32 mixed gas A+B output channels, 331# automatic mixings
Valve, 34 system control boxes, 35 mixed gas A+B+C delivery valves, 36 mixed gas Gas mixing valves, 372# bascule pressure regulator valves, 38
Mixed gas A+B pressure sensors, 39 gas A input pressure sensors, 40 ball-screw nuts, 41 linkage junctors, 42 balls
Leading screw, 43 coupling sleeves, 44 motor mounting racks, 45 servomotors, 46 valve element fixing bolts, 47 movable valve plugs, 48 mixing valve masters
Body A, 49 proportioning valve body B, 50 big joints, 51,54,57,61,64 transit joints, 52,55,58,62,65 collar nuts, 53,
56th, 59,63,66 pipe joint, 60 mixing valve connectors, 67,89 air inlet pipe, 68 valve main body As, 69 shutter spring A, 70 valve bases
A, 71 valve core A, 72 valve sealing gasket A, 73 valve inner core A, 74 valve head A, 75 bonnet A, 76 gland A, 77 air pressure film A, 78
Valve body connector, 79 air pressure film B, 80 bonnet B, 81 gland B, 82 valve inner core B, 83 valve head B, 84 valve sealing gasket B, 85 valve
Core B, 86 valve main body B, 87 valve base B, 88 shutter spring B, 90 center valve bodies, 91, pipe joint A, 92 pipe joint nut A, 93
Joint A, 74 ferrule fittings, 95 joint B, 96 pipe joint nut B, 97 pipe joint B, 98 ferrule fittings, 99 pressure transmitter A, 100
Ferrule fitting, 101 pressure transmitters, 102 ferrule fittings, 103 valve body connectors, 104 Gas mixing valve main body As, 105 Gas mixing valve main body B,
106 isocons, 107 Gas mixing valve main body C, 108 valve body connectors.
Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.The embodiment includes Gas mixing valve 36, and the Gas mixing valve 36 with leading to respectively
Cross valve mixed gas A+B+C delivery valves 35, mixed gas A+B delivery valves（That is mixed gas A+B delivery valves A 20 and gaseous mixture
Body A+B delivery valves B 21）Connect 2# automatic mixings valve 10 and 1# automatic mixings valve 33,1# automatic mixings valve 33 is defeated with being used to balancing
The 1# bascules 29 for entering gas A, B pressure are connected, the 1# bascules 29 connection input gas A, B air inlet pipe 27,28；2#
Automatic mixing valve 10 is connected with the 2# bascules 17 for balancing input gas A+B and gas C pressure.The 2# bascules 17
Connection input gas C air inlet pipe 25, and mixed gas A is connected by mixed gas A+B delivery valves 21,1# automatic mixings valve 33
+ B output channels 32.Mixed gas Gas mixing valve 36 connects mixed gas delivery valve 14, and mixed gas delivery valve 14 connects gaseous mixture
Body output end 13.
The multicomponent gas intelligent proportioning system of the present invention, the 1# automatic mixings valve 33 connect servo electricity by the junctor 41 that links
Machine 45, the servomotor 45 are placed in motor mounting rack 44, and the motor mounting rack 44 is arranged in mixing valve main body A 48
Portion, coupling band 43 is installed on the servomotor 45, and the axle sleeve 43 is fixed on connection by ball-screw 42 through ball-screw nut 40
On dynamic junctor 41, the servomotor 45 is connected with motor servo driver, and motor servo driver connects with PLC
Connect, PLC is connected with touching display screen.Motor servo driver is placed in PLC
In system control box 34, the remote control and local operation of operating personnel can be realized by touching display screen.PLC can be compiled
Range controller connects touching type operation display screen 3, power switch 8, fault alarm 6 respectively, passes through touching type operation display screen 3
Control PLC programmable controller, fault alarm 6.Between mixing valve main body A 48 and gas A air inlet pipe 28, match valve body
Between B49 and gas B air inlet pipe 27, mixing valve main body A 48 and proportioning valve body B49 respectively between mixing valve connector 60,
Pipe joint 53,56,59,63,66, transition are installed successively between mixing valve connector 60 and mixed gas A+B output channels 32
Joint 51,54,57,61,64, big joint 50 is installed behind proportioning valve body B49, the big joint 50 connects with transit joint 51
Connect.The 1# bascules 29 include bonnet A75 and bonnet B80 and corresponding gland A76 and gland with 2# bascules 17
B81, bonnet A75 and bonnet B80, which are pressed on corresponding gland A76 and gland B81, forms air chamber, bonnet A75 and bonnet B80 difference
Installation valve core A71 and valve core B85, valve in valve base A70 and valve base B87, valve base A70 and valve base B87 are installed
Covered in core A71 and valve core B85 on installation valve inner core A73 and valve inner core B82, the valve inner core A73 and valve inner core B82
There are shutter spring A69 and shutter spring B88, shutter spring A69 and shutter spring B88 one end are placed in valve base A70 and work
Top inside gate seat B87, the other end are placed in gland A76 and the groove of gland B81 bottom surfaces, the groove be located at gland A76 and
In the projection of gland B81 bottom surfaces, set respectively between valve inner core A73 and valve inner core B82 and valve base A70 and valve base B87
Put valve head A74 and valve head B83, valve sealing gasket A72 and valve sealing gasket B84, between two gland A76 and gland B81 according to
Secondary setting air pressure film 77, center valve body 90, air pressure film 79, valve main body A 68 and valve main body B86 are respectively with inputting gas A, B
Air inlet pipe 67,89 connect, 1# bascules 29 are respectively through gas A check valves 31, gas B check valves 30 and 1# automatic mixing valves
33 connections, gas are connected through pipe joint 53,56, pipe joint 51,54 with automatic mixing valve 33 successively, bonnet A75 and bonnet B80,
Corresponding ferrule fitting 94 and 98,100 and 102 is set to input pressure with gas B respectively on valve main body A 68 and valve main body B86
Force snesor 22, gas A input pressures sensor 39,2# bascules detection valve 18, mixed gas A+B pressure sensors 38,
Gentle device regulating valve 37 connects ferrule fitting 102 with 1# bascules regulating valve 23,2# respectively.1# bascules regulating valve 23
It is connected with the center valve body joint 78 on 1# bascules 29, the valve body connector in No. 2 regulating valves 37 and 2# bascules 17
78, that are connected are input to 1# by adjusting the control gas pressure of 1# bascules regulating valve and 2# bascule regulating valves respectively
Inside the center valve body 90 of bascule 29 and 2# bascules 17.Gas is controlled to move two by the pore area of the both sides of center valve body 90
Balanced valve air pressure film A77, the air pressure film B79 of side are expanded outwardly, and valve core A71 is driven through shutter spring A69 and shutter spring B88
With valve core B85 and its valve inner core A73 and valve inner core B82 and valve sealing gasket A72 and valve sealing gasket 84 respectively to two
Sidesway movable property gives birth to space, and gas A, B are entered after corresponding air chamber balances pressure by corresponding air inlet through space respectively to be exported.
The present invention multicomponent gas intelligent proportioning system, in addition to C gas input pressures table 5, gas A input pressures table 7,
Gas B input pressures table 9, mixed gas delivery gauge 4, mixed gas pressure sensor output 13, mixed gas output electricity
Magnet valve 14, gas C output one-way valves 15, gas C pressure sensor outputs 16, gas C infrared ray gas analyzers 1 and gas B
Infrared ray gas analyzer 2, wherein, mixed gas delivery gauge 4, gas C infrared ray gas analyzers 1 are infrared with gas B
Line gas analyzer 2 is connected with the ferrule fitting in mixed gas output end 13 respectively；Gas C input pressures table 5 and 2# is balanced
Ferrule fitting connection on device 17, gas A input pressures table 9, gas B input pressures table 7 are corresponding on 1# bascules 29
Air inlet section ferrule fitting connection, gas C input pressures sensor 16, mixed gas A+B pressure sensors 38 are put down with 2# respectively
Ferrule fitting on the corresponding input of weighing apparatus device 17 is connected, more directly perceived during in order to observe at the scene, so being provided with gas A
Input pressure table 9, gas B input pressures table 8, gas C input pressures table 5, mixed gas delivery gauge 4；Gas B input pressures
The ferrule fitting of force snesor 22, gas A pressure sensors 39 respectively on the input corresponding with 1# bascules 29 is connected,
1# bascules are adjusted with 1# bascules regulating valve 23, the gentle devices of 2# respectively with center valve body joint 78 on 2# bascules
Valve 37 connects.Gas A conveyance conduits, gas B conveyance conduits, gas C conveyance conduits, it is respectively provided with gaseous mixture A+B conveyance conduits
Check valve 11,15,30,32, the setting of the check valve is to prevent back flow of gas；Gas A, B gas are matched somebody with somebody automatically into 1#
Than being to separate conveying before valve 29, between gas B air inlet pipe 27, gas A air inlet pipe 28 and 1# automatic mixings valve 33, point
The pipeline that 1# bascules 29 Yong Yu not connected is divided into gas A conveyance conduits, gas B conveyance conduits, 1# automatic mixings valve 33 with
The pipeline for being used to convey mixed gas between mixed gas delivery valve A20 and mixed gas delivery valve B21 is defeated for gaseous mixture A+B
Send pipeline 32；Pipeline between mixed gas delivery valve A20 and mixed gas delivery valve B21 and mixed gas output end 13 is all
Mixed gas delivery pipeline.A+B gases output one-way valve 11 is set among mixed gas pipeline road, and A+B gases output is unidirectionally
Valve 11 includes valve body connector 103 and 108, Gas mixing valve main body A 104, Gas mixing valve main body B105,106 isocons and 107 Gas mixing valves
Main body C.Isocon 106 is placed in Gas mixing valve main body A 104, and mixed gas enters A+B gases input check valve 11, passes through shunting
Pipe 106 dams, is then tapped off, then confluxes and realize the further mixing of mixed gas, ensures stability, the accuracy of gaseous mixture.
In 1# automatic mixings valve 33, when gas A, B are supplied by pipe joint 53,56 respectively simultaneously, at this moment, movable valve plug
47 with mixing valve main body A 48 be sealing, gas A does not enter transit joint 64, while gas B can pass through transit joint
57, pipe joint 63 exports, and at this moment the output gas of 1# automatic mixings valve 33 is 100% gas B.（The principle of 2# automatic mixings valve 10
Ibid）
Instructed and rotated according to PIC controller according to the parameter servomotor 45 of setting, by ball-screw 42 by movable valve plug 47
Moved to the big direction of joint 50, the sealing surface of movable valve plug 47 and mixing valve main body A 48（Cone angle and proportioning in movable valve plug 47
The sealing surface that the corner of valve body A48 inner spaces is formed）Gap is opened, gas A passes through opened gap and connect into transition
First 64 output, the size that gap is opened determine the size of gas A outputs（The movement of corresponding movable valve plug 47 can be corresponding
Its cone angle is adjusted with matching the gap size of space corner in valve body B49, as shown in Figure 5,6）, gas A, B are according to volume ratio
Mode conflux gas, realize by proportioning mixed gas.（The principle of 2# automatic mixings valve 10 is same as above）.
Claims (11)
1. a kind of multicomponent gas intelligent proportioning system, including Gas mixing valve, it is characterised in that：The Gas mixing valve connects with 1# automatic mixings valve
Connect, the 1# automatic mixings valve is connected with the 1# bascules for balancing input gas A, B pressure, and 1# bascules connection is defeated
Enter gas A, B air inlet pipe；The Gas mixing valve is also connected with 2# automatic mixing valves, and the 2# automatic mixings valve for balancing with inputting gas
Body C is connected with the 2# bascules of mixed gas A+B pressure, and 2# bascules connection input gas C air inlet pipe, 1# are automatic
The mixed gas A+B of mixing valve output channel connection, mixed gas A+B output channels connect respectively mixed gas Gas mixing valve with
The input of 2# bascules.
2. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：The 1# automatic mixing valves pass through connection
Dynamic junctor connection servomotor, the servomotor are connected with motor servo driver, motor servo driver and PLC programmable controls
Device connection processed, PLC are connected with touching display screen.
3. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：1# automatic mixings valve includes proportioning
Valve body A, proportioning valve body B, mixing valve main body A are placed in before proportioning valve body B, and movable valve plug one end is fixed on linkage and connect
On body, the other end is placed in proportioning valve body B inside through mixing valve main body A, and the corner of mixing valve main body A inner space is straight
Angle, the anterior narrow and rear portion of the movable valve plug is wide, and the anterior end close to the position of front end and front portion of movable valve plug is respectively provided with cone
Angle；The mixing valve main body A is connected by gas A conveyance conduits with the A gas vents of 1# bascules, and proportioning valve body B leads to
Cross gas B conveyance conduits to be connected with the B gas vents of 1# bascules, mixing valve main body A passes through proportioning with proportioning valve body B
Valve connector is connected with mixed gas A+B conveyance conduits, and mixed gas A+B conveyance conduits are connected by 1# cutting-off valves respectively
The mixed gas A+B inputs of 2# bascules, broken valve connection mixed gas A+B+C conveyance conduits by 2#.
4. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：2# automatic mixings valve includes proportioning
Valve body A, proportioning valve body B, mixing valve main body A are placed in before proportioning valve body B, and movable valve plug one end is fixed on linkage and connect
On body, the other end is placed in proportioning valve body B inside through mixing valve main body A, and the corner of mixing valve main body A inner space is straight
Angle, the anterior narrow and rear portion of the movable valve plug is wide, and the anterior end close to the position of front end and front portion of movable valve plug is respectively provided with cone
Angle, the mixing valve main body A are exported by the gas C of gas C output channels and 2# bascules and connected, and proportioning valve body B leads to
The mixed gas A+B outlets for crossing mixed gas A+B output channels and 2# bascules connect, mixing valve main body A and mixing valve master
Body B is connected by mixing valve connector with A+B+C mixed gas delivery pipelines, and the A+B+C mixed gas deliveries pipeline is with mixing
Air valve is connected, and isocon is set in Gas mixing valve, and the isocon is connected with A+B+C mixed gas deliveries pipeline, air outlet adapter respectively.
5. multicomponent gas intelligent proportioning system according to claim 2, it is characterised in that：PLC is distinguished
Touching type operation display screen, power switch, fault alarm are connected, controls touching type operation to show by PLC
Display screen, power switch, fault alarm.
6. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：Mixing valve main body A and gas A are defeated
Send between pipeline, proportioning valve body B and gas B conveyance conduits, mixing valve main body A and proportioning valve body B respectively with mixing valve company
Between junctor, pipe joint, transit joint, mixing valve master are installed successively between mixing valve connector and mixed gas pipeline road
Big joint is installed, the big joint is connected with transit joint behind body B.
7. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：The 1# bascules balance with 2#
Device includes bonnet and corresponding gland, and bonnet is pressed in corresponding gland and forms air chamber, and valve base is installed respectively on gland, living
Installation valve core in gate seat, valve in-core install valve inner core, shutter spring are cased with the valve inner core, and the one of the shutter spring
The top being placed in inside valve base is held, the other end is placed in the groove of gland bottom surface, and the groove is located in the projection of gland bottom surface,
Valve head, valve sealing gasket are set respectively between valve inner core and valve base, air pressure film A, centre are set gradually between two glands
Valve body, air pressure film B.
8. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：1# bascules respectively with input
Gas A, B air inlet pipe connection, 1# bascules are respectively through gas A output channels, gas B output channels and 1# automatic mixing valves
Connection, air chamber are connected through joint, pipe joint and automatic mixing valve successively, and corresponding flared tube is set respectively on bonnet, valve base
Joint.
9. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：2# bascules respectively with input
Gas C air inlet pipe connects with mixed gas A+B output channels, and 2# bascules are respectively through gas C output channels, mixed gas
A+B conveyance conduits are connected with 2# automatic mixing valves, and air chamber connects through joint, pipe joint and automatic mixing valve successively, bonnet, valve
Corresponding flared fitting is set respectively on seat.
10. multicomponent gas intelligent proportioning system according to claim 1, it is characterised in that：Also include control pressure table, A
Gas input pressure table, B gas input pressures table, C gas input pressures table, mixed gas delivery gauge, mixed gas are defeated
Enter pressure sensor, 1# regulating valves, 2# regulating valves, mixed gas output solenoid valve, gas B infrared ray gas analyzers, gas C
Infrared ray gas analyzer, wherein, control pressure table is connected with 2# bascules, gas A input pressures table, gas B input pressures
Power table, gas C input pressures table connect with corresponding air inlet pipe, and mixed gas delivery gauge connects with Gas mixing valve output gas
Connect, input pressure sensor is connected with balanced valve A input gas, 1# bascules gas output end with 1# automatic mixing valves
Connection, 2# bascules gas output end be connected with 2# automatic mixing valves, magnetic valve be arranged on Gas mixing valve and air outlet adapter it
Between.
11. multicomponent gas intelligent proportioning system according to claim 8 or claim 9, it is characterised in that：Gas A output channels, gas
Body B output channels, gas C output channels, check valve is respectively provided with mixed gas A+B output channels.
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| CN201710917510.9A CN107812454A (en) | 2017-09-30 | 2017-09-30 | A kind of multicomponent gas intelligent proportioning system |
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