CN109224892A - A kind of pre-mixing apparatus liquid vaporization and its mixed with air - Google Patents

A kind of pre-mixing apparatus liquid vaporization and its mixed with air Download PDF

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Publication number
CN109224892A
CN109224892A CN201811125172.6A CN201811125172A CN109224892A CN 109224892 A CN109224892 A CN 109224892A CN 201811125172 A CN201811125172 A CN 201811125172A CN 109224892 A CN109224892 A CN 109224892A
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CN
China
Prior art keywords
air
vaporization
premix
vaporizer
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811125172.6A
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Chinese (zh)
Inventor
赵炜
牛量
赵倩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Aircraft Design and Research Institute of AVIC
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Xian Aircraft Design and Research Institute of AVIC
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Filing date
Publication date
Application filed by Xian Aircraft Design and Research Institute of AVIC filed Critical Xian Aircraft Design and Research Institute of AVIC
Priority to CN201811125172.6A priority Critical patent/CN109224892A/en
Publication of CN109224892A publication Critical patent/CN109224892A/en
Pending legal-status Critical Current

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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
    • B01F23/12—Mixing gases with gases with vaporisation of a liquid
    • 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
    • B01F35/2111—Flow rate
    • 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
    • B01F35/2115—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
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • B01F35/718051—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings being adjustable
    • 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
    • B01F35/90—Heating or cooling systems
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating

Abstract

The technical field that the application belongs to liquid vaporization and its mixes with air, in particular to a kind of pre-mixing apparatus liquid vaporization and its mixed with air.It is that liquid reservoir is heated that the device, which is provided with vaporization heating device, make the heated vaporization of liquid in its storage chamber, realize the vaporization of liquid, since the heating process is heated outside storage chamber, it ensure that the safety of liquid heating process, furthermore, premixed device, which is arranged, realizes preliminary premix with air after liquid vaporization, and passes through and realize that the ratio to the liquid after air and vaporization controls to the adjusting of air distribution regulating valve and vaporizer air inlet adjustment valve opening.

Description

A kind of pre-mixing apparatus liquid vaporization and its mixed with air
Technical field
The technical field that the application belongs to liquid vaporization and its mixes with air, in particular to a kind of liquid vapour The pre-mixing apparatus changed and its mixed with air.
Background technique
It is premixed in gaseous substance with air under room temperature, the difficulty technically controlled it is lower, more It is easy to accomplish, but for being the substance of liquid under room temperature, when it is premixed with air, it is related to the vapour to the liquid Change, technology realizes that difficulty is larger, and operative liquid substance has toxicity, and there are biggish security risks.Such as hexane and air Premix, generally need first hexane is vaporized, mixed in certain proportion with air thereafter, currently, lacking a kind of energy Enough devices for guaranteeing to realize hexane vaporization and its premixed with air.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The pre-mixing apparatus that the purpose of the application is vaporized and its mixed with air there is provided a kind of liquid, to overcome or The problem of mitigating above-mentioned at least one aspect.
The technical solution of the application is:
A kind of pre-mixing apparatus liquid vaporization and its mixed with air, comprising:
Premixed device has premix chamber；
Air distribution pipeline, one end are connected to for air-source, and the other end is connected to premix chamber, is provided on air distribution pipe Air distribution regulating valve and air mass flow display；
Liquid reservoir, has storage chamber, and storage chamber is used for storing liquid substance；
Heating device is vaporized, there is vaporization chamber, liquid reservoir is arranged in vaporization chamber, and vaporization heating device is used for For the heating of liquid reservoir, make the heated vaporization of liquid in storage chamber；
Vaporizer admission line, one end are connected to storage chamber, and the other end is connected to premix chamber, are set on vaporizer admission line It is equipped with vaporizer air inlet adjustment valve and vaporizer flows to display；
Pipeline is premixed, one end is connected to premix chamber.
Preferably, premixed device includes:
Injection cylinder, one end are injection front end, and the other end is injection rear end；The inner wall of injection cylinder is from injection front end to injection Afterwards extreme direction gradually taper up to be formed before injection channel, and the inner wall of injection cylinder from injection rear end to injection before extreme direction gradually taper up Injection channel after formation；The inner wall in preceding injection channel intersects with the inner wall in rear injection channel；
Injecting chamber, has ejection cavity, and ejection cavity is connected to preceding injection channel；Sky is axially opened up along injection channel in injecting chamber Gas bleed hole, the radial direction along preceding injection channel open up vaporizer bleed hole；
Premix chamber includes ejection cavity, preceding injection channel and rear injection channel；Wherein,
Air distribution pipeline is connected to by air bleed hole with ejection cavity；
Vaporizer admission line is connected to by vaporizer bleed hole with ejection cavity；
Premix pipeline is connected to rear injection channel far from the preceding injection one end of the channel.
Preferably, air distribution check valve is additionally provided on air distribution pipeline；
Pre-mixing apparatus further includes having vacuum tank, is used for stored air, vacuum tank and air distribution pipeline are far from premix chamber One end connection.
Preferably, blow valve, safety valve and pressure display unit are provided on vacuum tank.
Preferably, above-mentioned pre-mixing apparatus further includes having:
Air compressor；
Air intake pipe, one end are connect with air compressor, and the other end is connected to vacuum tank；It is successively set on admission line It is equipped with pressure reducing valve, air inlet check valve and air inlet regulating valve, wherein pressure reducing valve is close to air compressor.
Preferably, vaporizer air inlet adjustment valve and vaporizer air inlet stop valve are additionally provided on vaporizer admission line.
Preferably, above-mentioned pre-mixing apparatus further includes having premix barrel, and one end is connected to premix pipeline far from one end of premix chamber, The setting of premix barrel complications.
Preferably, it premixes and is additionally provided with premix air inlet adjustment valve and premix flow indicator on pipeline.
Preferably, vaporization heating device includes:
Water bath containers, interior is vaporization chamber, is marked with water in vaporization chamber；
Water-bath electric heater is arranged in vaporization chamber, is water heating in vaporization chamber；
Bath temperature display, for measuring and showing the temperature of water in vaporization chamber.
Preferably, above-mentioned pre-mixing apparatus further includes controller；
Air distribution regulating valve, vaporizer air inlet adjustment valve, premix air inlet adjustment valve, water-bath electric heater, air mass flow Display, vaporizer flow to display, premix flow indicator and bath temperature display and are electrically connected with the controller；
The aperture that controller can control air distribution regulating valve makes the show value of air mass flow display approach air stream Measure predetermined value；
The show value that the aperture that controller can control vaporizer air inlet adjustment valve makes vaporizer flow to display approaches sky Throughput predetermined value；
The aperture that controller can control water-bath electric heater makes the show value of bath temperature display approach air mass flow Predetermined value.
At least there are following advantageous effects in the application: a kind of liquid vaporization and its what is mixed with air pre- load in mixture It sets, it is that liquid reservoir is heated which, which is provided with vaporization heating device, keeps liquid in its storage chamber heated Vaporization, realizes the vaporization of liquid, since the heating process is heated outside storage chamber, ensure that liquid adds The safety of thermal process, in addition, setting premixed device realizes the preliminary premix after liquid vaporizes with air, and by sky The ratio control to the liquid after air and vaporization is realized in the adjusting of gas distributing regulating valve and vaporizer air inlet adjustment valve opening System.
Above-mentioned liquid is hexane.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the vaporization of the application liquid and its pre-mixing apparatus mixed with air；
Fig. 2 is the structural schematic diagram of premixed device in Fig. 1.
Wherein:
1, air compressor；2, pressure reducing valve；3, air inlet check valve；4, air inlet regulating valve；5, vacuum tank；6, it puts Empty valve；7, safety valve；8, pressure display unit；9, air distribution check valve；10, air distribution regulating valve；11, air mass flow is shown Device；12, water-bath electric heater；13, water bath containers；14, liquid reservoir；15, vaporizer air inlet adjustment valve；16, it vaporizes Object breather check valve；17, vaporizer air inlet adjustment valve；18, vaporizer flow indicator；19, premixed device；20, air inlet tune is premixed Save valve；22, flow indicator is premixed；23, premix barrel；24, controller；25, bath temperature display；26, injection cylinder；27, draw Penetrate room.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application The limitation of range.
1 to Fig. 2 the application is described in further details with reference to the accompanying drawing.
A kind of pre-mixing apparatus liquid vaporization and its mixed with air, comprising:
Premixed device 19 has premix chamber；
Air distribution pipeline, one end are connected to for air-source, and the other end is connected to premix chamber, is provided on air distribution pipe Air distribution regulating valve 10 and air mass flow display 11；
Liquid reservoir 14, has storage chamber, and storage chamber is used for storing liquid substance；
Heating device is vaporized, there is vaporization chamber, liquid reservoir is arranged in vaporization chamber, and vaporization heating device is used for For the heating of liquid reservoir 14, make the heated vaporization of liquid in storage chamber；
Vaporizer admission line, one end are connected to storage chamber, and the other end is connected to premix chamber, are set on vaporizer admission line It is equipped with vaporizer air inlet adjustment valve 17 and vaporizer flows to display 18；
Pipeline is premixed, one end is connected to premix chamber.
Further, premixed device 19 includes: injection cylinder 26, and one end is injection front end, and the other end is injection rear end；Injection The inner wall of cylinder 26 from injection front end to injection after extreme direction gradually taper up to be formed before injection channel, and the inner wall of injection cylinder 26 is from drawing Rear end is penetrated to gradually taper up to form rear injection channel to the preceding extreme direction of injection；The inner wall in preceding injection channel is interior with rear injection channel Wall surface intersection；Injecting chamber 27, has ejection cavity, and ejection cavity is connected to preceding injection channel；It is axially opened in injecting chamber along injection channel If air bleed hole, the radial direction along preceding injection channel opens up vaporizer bleed hole；Premix chamber include ejection cavity, preceding injection channel and Injection channel afterwards；Wherein, air distribution pipeline is connected to by air bleed hole with ejection cavity；Vaporizer admission line passes through vaporization Object bleed hole is connected to ejection cavity；Premix pipeline is connected to rear injection channel far from the other end in the preceding injection channel.It will be pre- Mixed device is set as above structure, and the premix of the liquid after can making air and vaporization here is more abundant effective.
Further, air distribution check valve 9 is additionally provided on air distribution pipeline；Pre-mixing apparatus further includes having vacuum tank 5, it is used for stored air, vacuum tank 5 to be connected to air distribution pipeline far from one end of premix chamber；Emptying is provided on vacuum tank 5 Valve 6, safety valve 7 and pressure display unit 8.Voltage-stabiliser tube 5 is set and is used to stored air, while pressure stabilization function can be played, in the device It ensure that the stability of air supply when work, in favor of the adjusting of air mass flow thereafter, reduce the fluctuation of air mass flow.
Further, above-mentioned pre-mixing apparatus further includes having: air compressor 1；Air intake pipe, one end and air compress Machine 1 connects, and the other end is connected to vacuum tank 5；Pressure reducing valve 2, air inlet check valve 3 and sky are disposed on admission line Gas air inlet adjustment valve 4, wherein pressure reducing valve 2 is close to air compressor 1.
Further, vaporizer air inlet adjustment valve 15 and vaporizer air inlet stop valve are additionally provided on vaporizer admission line 15。
It further, further include having premix barrel 23, one end is connected to premix pipeline far from one end of premix chamber, premix barrel 23 Complications setting.
Further, it premixes and is additionally provided with premix air inlet adjustment valve 20 and premix flow indicator 22 on pipeline.
Further, vaporization heating device includes: water bath containers 13, and interior is vaporization chamber, is marked with water in vaporization chamber；Water-bath Electric heater 12 is arranged in vaporization chamber, is water heating in vaporization chamber；Bath temperature display 25, for measuring and showing vapour Change the temperature of intracavitary water.Heating method is set as heating water bath, keeps heating more mild, improves the stabilization of liquid vaporization Property, and keep vaporescence safer.
It further, further include controller 24；Air distribution regulating valve 10, vaporizer air inlet adjustment valve 17, premix air inlet Regulating valve 20, water-bath electric heater 12, air mass flow display 11, vaporizer flow to display 18, premix flow indicator 22 And bath temperature display 25 is electrically connected with controller 25；The aperture that controller 25 can control air distribution regulating valve 10 makes The show value of air mass flow display 11 approaches air mass flow predetermined value；Controller 25 can control vaporizer air inlet adjustment valve 17 The aperture show value that makes vaporizer flow to display 18 approach air mass flow predetermined value；Controller 25 can control water-bath electricity and add The aperture of hot device 12 makes the show value of bath temperature display 25 approach air mass flow predetermined value.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims It is quasi-.

Claims (10)

1. a kind of pre-mixing apparatus liquid vaporization and its mixed with air characterized by comprising
Premixed device (19) has premix chamber；
Air distribution pipeline, one end with air-source for being connected to, and the other end is connected to the premix chamber, on the air distribution pipe It is provided with air distribution regulating valve (10) and air mass flow display (11)；
Liquid reservoir (14), has storage chamber, and the storage chamber is used for storing liquid substance；
Heating device is vaporized, there is vaporization chamber, the liquid reservoir is arranged in the vaporization chamber, the vaporization heating Device is used to heat for the liquid reservoir (14), makes the heated vaporization of liquid in the storage chamber；
Vaporizer admission line, one end are connected to the storage chamber, and the other end is connected to the premix chamber, the vaporizer air inlet It is provided with vaporizer air inlet adjustment valve (17) on pipeline and vaporizer flows to display (18)；
Pipeline is premixed, one end is connected to described with premix chamber.
2. pre-mixing apparatus according to claim 1, which is characterized in that the premixed device (19) includes:
Injection cylinder (26), one end are injection front end, and the other end is injection rear end；The inner wall of the injection cylinder (26) draws described in It penetrates front end to gradually taper up to form preceding injection channel to extreme direction after the injection, and the inner wall of the injection cylinder (26) draws described in Rear end is penetrated to gradually taper up to form rear injection channel to the preceding extreme direction of the injection；The inner wall and rear injection in the preceding injection channel The inner wall in channel intersects；
Injecting chamber (27), has ejection cavity, and the ejection cavity is connected to the preceding injection channel；Draw in the injecting chamber along described It penetrates channel and axially opens up air bleed hole, the radial direction along the preceding injection channel opens up vaporizer bleed hole；
The premix chamber includes the ejection cavity, the preceding injection channel and the rear injection channel；Wherein,
The air distribution pipeline is connected to by air bleed hole with the ejection cavity；
The vaporizer admission line is connected to by vaporizer bleed hole with the ejection cavity；
The premix pipeline is connected to the rear injection channel far from the one end in the preceding injection channel.
3. pre-mixing apparatus according to claim 1, which is characterized in that be additionally provided with air on the air distribution pipeline and match Gas check valve (9)；
The pre-mixing apparatus further includes having vacuum tank (5), is used for stored air, the vacuum tank (5) and the air distribution pipe Road is connected to far from one end of the premix chamber.
4. pre-mixing apparatus according to claim 3, which is characterized in that be provided on the vacuum tank (5) blow valve (6), Safety valve (7) and pressure display unit (8).
5. pre-mixing apparatus according to claim 4, which is characterized in that further include having:
Air compressor (1)；
Air intake pipe, one end are connect with the air compressor (1), and the other end is connected to the vacuum tank (5)；It is described into Pressure reducing valve (2), air inlet check valve (3) and air inlet regulating valve (4) are disposed in feed channel, wherein described Pressure reducing valve (2) is close to the air compressor (1).
6. pre-mixing apparatus according to claim 1, which is characterized in that be additionally provided with vaporization on the vaporizer admission line Object air inlet adjustment valve (15) and vaporizer air inlet stop valve (15).
7. pre-mixing apparatus according to claim 1, which is characterized in that further include having premix barrel (23), one end with it is described pre- Mixed pipeline is connected to far from one end of the premix chamber, the tortuous setting of the premix barrel (23).
8. pre-mixing apparatus according to claim 1, which is characterized in that be additionally provided with premix air inlet tune on the premix pipeline Save valve (20) and premix flow indicator (22).
9. pre-mixing apparatus according to claim 8, which is characterized in that the vaporization heating device includes:
Water bath containers (13), interior is vaporization chamber, is marked with water in the vaporization chamber；
Water-bath electric heater (12) is arranged in the vaporization chamber, is water heating in the vaporization chamber；
Bath temperature display (25), for measuring and showing the temperature of water in the vaporization chamber.
10. pre-mixing apparatus according to claim 9, which is characterized in that further include controller (24)；
The air distribution regulating valve (10), the vaporizer air inlet adjustment valve (17), the premix air inlet adjustment valve (20), institute It states water-bath electric heater (12), the air mass flow display (11), the vaporizer and flows to display (18), the premix flow Amount display (22) and the bath temperature display (25) are electrically connected with the controller (25)；
The aperture that the controller (25) can control the air distribution regulating valve (10) makes the air mass flow display (11) show value approaches air mass flow predetermined value；
The aperture that the controller (25) can control the vaporizer air inlet adjustment valve (17) makes the vaporizer flow direction display The show value of device (18) approaches air mass flow predetermined value；
The aperture that the controller (25) can control the water-bath electric heater (12) makes the bath temperature display (25) Show value approach air mass flow predetermined value.
CN201811125172.6A 2018-09-26 2018-09-26 A kind of pre-mixing apparatus liquid vaporization and its mixed with air Pending CN109224892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811125172.6A CN109224892A (en) 2018-09-26 2018-09-26 A kind of pre-mixing apparatus liquid vaporization and its mixed with air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811125172.6A CN109224892A (en) 2018-09-26 2018-09-26 A kind of pre-mixing apparatus liquid vaporization and its mixed with air

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87216545U (en) * 1987-12-16 1988-09-21 江建春 Liquid and gas mixer
US20060112974A1 (en) * 2001-08-31 2006-06-01 Yoichi Isago Methods for cleaning a substrate
CN101352660A (en) * 2008-09-02 2009-01-28 浙江大学 Device for formulating low concentration gas and formulating method
CN101357305A (en) * 2008-09-02 2009-02-04 浙江大学 Preparation device and method of low-concentration gas of certain humidity
CN101708437A (en) * 2009-12-31 2010-05-19 煤炭科学研究总院重庆研究院 Compound gas mixing device for coal mine
CN103939895A (en) * 2013-09-04 2014-07-23 陈光宁 Fuel supply-vaporization-pressure regulation-full premixed combustion system, thermoelectric power generation device with same and method for thermoelectric power generation
CN106166455A (en) * 2016-08-10 2016-11-30 大唐环境产业集团股份有限公司 A kind of denitration ammonia gas for pretreatment system
CN205878158U (en) * 2016-06-02 2017-01-11 高台县聚庆新能源设备有限公司 Vane type gas air premixing device
CN107497309A (en) * 2017-10-11 2017-12-22 河南科技大学 A kind of liquid fuel and gas homogeneous charge forming apparatus and method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87216545U (en) * 1987-12-16 1988-09-21 江建春 Liquid and gas mixer
US20060112974A1 (en) * 2001-08-31 2006-06-01 Yoichi Isago Methods for cleaning a substrate
CN101352660A (en) * 2008-09-02 2009-01-28 浙江大学 Device for formulating low concentration gas and formulating method
CN101357305A (en) * 2008-09-02 2009-02-04 浙江大学 Preparation device and method of low-concentration gas of certain humidity
CN101708437A (en) * 2009-12-31 2010-05-19 煤炭科学研究总院重庆研究院 Compound gas mixing device for coal mine
CN103939895A (en) * 2013-09-04 2014-07-23 陈光宁 Fuel supply-vaporization-pressure regulation-full premixed combustion system, thermoelectric power generation device with same and method for thermoelectric power generation
CN205878158U (en) * 2016-06-02 2017-01-11 高台县聚庆新能源设备有限公司 Vane type gas air premixing device
CN106166455A (en) * 2016-08-10 2016-11-30 大唐环境产业集团股份有限公司 A kind of denitration ammonia gas for pretreatment system
CN107497309A (en) * 2017-10-11 2017-12-22 河南科技大学 A kind of liquid fuel and gas homogeneous charge forming apparatus and method

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Application publication date: 20190118