CN1384477A - Gas-liquid-solid multiphase flow simulating method and plant - Google Patents

Abstract

Translated fromChinese

本发明公开了一种气液固多相流动模拟方法与装置,它采用分相计量方法,可以准确模拟气液固多相流的各种混合流动现象;采用在线混合方法,可以动态调节各相流量,实现气液固多相流动瞬态变化过程的模拟;使用常规动力设备和单相流计量仪表,代替了现有技术所采用的带有搅拌器的混合罐、多相流混输泵、多相混合物流量和相含率计量仪表,大大降低了实验装置的造价和系统的占地面积。

The invention discloses a method and device for simulating gas-liquid-solid multiphase flow, which can accurately simulate various mixed flow phenomena of gas-liquid-solid multiphase flow by adopting a phase separation metering method; and can dynamically adjust each phase by adopting an online mixing method flow rate, to realize the simulation of the transient change process of gas-liquid-solid multiphase flow; use conventional power equipment and single-phase flow metering instruments to replace the mixing tank with agitator, multiphase flow mixing pump, The multi-phase mixture flow rate and phase holdup measuring instruments greatly reduce the cost of the experimental device and the area occupied by the system.

Description

Gas-liquid-solid multiphase flow dynamic simulated method and apparatus

One, technical field

The present invention relates to a kind of method and experimental provision that is used for the gas-liquid-solid multiphase flow dynamic simulated.

Two, prior art

The moving process of liquid-solid/gas-liquid-solid multiphase flow at industrial or agricultural field ubiquities such as the energy, power, chemical industry, oil, mineral products, metallurgy, building, food, pharmacy, this heterogeneous mobile experimental simulation is all significant for the type selecting of the basic research of relevant mobile, heat transfer and chemical reaction mechanism and commercial unit and pilot scale etc.Liquid-solid/gas-liquid-solid multiphase flow dynamic simulated system synthesis the monitoring and the control technology of conveying, mixing, metering and flow process of material of multiple phase.Experimental technique in the open source literature generally is in mixer liquid-solid two-phase to be mixed, adopts certain method to drive then and the metering multiphase mixture.As " international polyphasic flow magazine " (Int J Multiphase Flow) 2000, Vol.26, " heat transfer of horizontal tube liquid fixed double phase flow " (Heat transfer in horizontalsolid-liquid pipe flow) of p1235-1246 report adopts mortar pump that the liquid-solid mixture in the mixing tank is transported in the pipe system, adopts a kind of flowmeter to measure the flow and the density of potpourri simultaneously." mechanics journal " 1996 and for example, Vol.28, No.3, " particle suppresses the behavior and the condition of turbulent flow in the horizontal liquid-solid flow " of p291-297 report is with liquid-solid mixing tank frame height, utilizes gravity transfer liquid-solid two-phase potpourri.

Existing experimental provision has the following disadvantages aspect moving at the liquid-solid/gas-liquid fixed double phase flow of simulation:

(1) mixing of liquid-solid two-phase is difficult to guarantee evenly in the mixing tank, is pumped into the accuracy and the less stable of the mixture concentration in the pipe system;

(2) compare with Flow Meter for Solid Materials amount technology with single-phase flow, that is that all right is ripe for the two-phase flow measurement technology, and measuring accuracy is lower, and the instrument complexity involves great expense;

(3) compare with single-phase flowing, the driving of two-phase flow is more difficult, and two-phase flow pump involves great expense, and damages easily, and experimental expenses is higher;

(4) segregation drive method pressure head is limited, can not overcome the higher drag of system under the mobile condition of big flow or gas-liquid-solid three-phase;

(5) mixing tank generally can only realize determining the mixing of concentration slurries, can not simulate the moving process of the time dependent dynamic fluid flow fixed double phase flow of solid concentration.

Three, summary of the invention

The objective of the invention is to overcome the shortcoming of above prior art, carry and metering outfit based on cheap and easy to get, the equipment powered by conventional energy (single-phase pump and compressor) of good reliability, single-phase mobile instrument and solid particle material, set up and provide a kind of gas-liquid-solid multiphase flow dynamic simulated method and the experimental provision that can realize various gas, liquid, solid three phase concentrations and flow operating mode.

For achieving the above object, the method that the present invention adopts is: (1) at first adopts single-phase pump 1 that liquid is delivered to by what pipeline and solenoid valve and one-way pump 1 linked to comprise single-phase flow measurement instrument 3,4 and the liquid phase major loop of liquid-solid mixer 6 in, before liquid-solid mixer 6, adopt single-phase flow measurement instrument 3 and 4 metering liquid phase flows, adopt gas compressor 8 to deliver gas to by pipeline and solenoid valve and single-phase flow measurement instrument 9, in the 10 gas phase major loops that link, before air and liquid mixer 11, adopt single-phase flow measurement instrument 9 and 10 metering gas phase flows;

(2) utilize granule materials to carry and measuring apparatus 5 quantitative delivery of particulate material material and in liquid-solid mixer 6, finish liquid-solid mixing then, air compressor 7 is introduced pressurized air in the liquid-solid mixer 6, in liquid-solid mixer 6, form stable gas liquid film, solid particle material joins phase interface via the gas space of phase interface top, finishes liquid-solid mixing below phase interface;

(3) in air and liquid mixer 11, finish liquid-solid mixture then and mix, form the gas-liquid-solid three-phase potpourri and enter in the relevant experimental provision 12 of application apparatus of the present invention as experimental system with gas;

Another characteristics of the present invention are: after the gas-liquid-solid three-phase potpourri flows out relevant experimental provision 12, need at last to finish liquid-solid the separation and gas-liquid separation through filtering type liquid-solid separator 13 with whirlwind gas-liquid separator 14 successively, solid particle enters the settling chamber of liquid-solid separator 13 with utilization to be recycled, gas emptying, liquid are flowed back in the fluid reservoir 2 and are recycled continuously.

Designed the moving device of gas-liquid-solid multiphase flow according to above-mentioned analogy method the present invention, comprise single-phase pump, the inlet of single-phase pump is connected with fluid reservoir by pipeline, is characterized in, single-phase delivery side of pump is connected with liquid phase bypass, liquid phase major loop by solenoid valve respectively, and the liquid phase bypass is connected with fluid reservoir; Solenoid valve is connected with the flowmeter of parallel connection, flowmeter in parallel is connected with liquid-solid mixer by pipeline, liquid-solid mixer is connected with air and liquid mixer, relevant experimental provision, filtering type liquid-solid separator and whirlwind gas-liquid separator by pipeline, and the whirlwind gas-liquid separator is connected with fluid reservoir by pipeline; The outlet of gas compressor is connected with the gas phase major loop with the gas phase bypass by solenoid valve; Solenoid valve is connected with another flowmeter to parallel connection, and flowmeter in parallel is connected with air and liquid mixer by pipeline; The outlet of air compressor is connected with bypass, mixer 6 by solenoid valve, on the mixer emptying pipeline solenoid valve is set, solid particle material is carried and to be connected with mixer by solenoid valve with measuring apparatus, draws pipeline between the air intake of solenoid valve and mixer and is connected with measuring apparatus with the solid particle material conveying by solenoid valve.

Another characteristics of apparatus of the present invention are: solid particle material is carried and measuring apparatus is made up of rotary-type grain flux meter, reductor, particle warehouse, motor and pressure regulator, the particle warehouse is connected with rotary-type grain flux meter by pipeline, motor is connected with reductor by shaft joint, reductor is connected with rotary-type grain flux meter by transmission shaft, and the coil of motor is connected with pressure regulator; Rotary-type grain flux meter is connected with mixer by solenoid valve, draws pipeline between the air intake of solenoid valve and mixer and is connected with rotary-type grain flux meter by solenoid valve; Be respectively arranged with the liquid inlet that is connected with flowmeter on the mixer, the liquid-solid mixture outlet that is connected with mixer also is provided with the liquid-level probe that is connected with Data Acquisition and Conversion System (DACS) on the mixer; Rotary-type grain flux meter comprises the lower baffle that has discharging opening that is arranged in the rotary-type grain flux meter, lower baffle is provided with runner, have material-storing hole on the runner, transmission shaft is connected with runner by bolt, be provided with above the runner have charging aperture on plate washer, be particle chamber above the last plate washer.

The present invention adopts the phase-splitting metering method, can accurately simulate the various mixed flow phenomenons of gas-liquid-solid multiphase flow; Adopt the on-line mixing method, can each phase flow rate of dynamic adjustments, realize the simulation of the moving transient changing process of gas-liquid-solid multiphase flow; Use equipment powered by conventional energy and single-phase flow measuring instrument, replace the mixing tank that has stirrer, multi-phase pipeline pump, multiphase mixture flow and phase content measuring instrument that prior art adopted, greatly reduced the cost of experimental provision and the floor area of system.

Four, description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of solid material conveying of the present invention and measuring apparatus 5 and mixer 6; Figure

The 3rd, the partial sectional view of the rotary-typegrain flux meter 37 of the present invention.

Five, embodiment

Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are described in further detail.

Referring to Fig. 1, the present invention includes single-phase pump 1, the inlet of single-phase pump 1 is connected with fluid reservoir 2 by pipeline, and the outlet of single-phase pump 1 connects the liquid phase bypass and is connected the liquid phase major loop by solenoid valve 16 by solenoid valve 15 respectively, and the liquid phase bypass is connected with fluid reservoir 2; Solenoid valve 16 is connected with the flowmeter 3,4 of parallel connection, is respectively arranged with solenoid valve 17 and solenoid valve 18 at the two ends of flowmeter 3, and the two ends of flowmeter 4 are respectively arranged with solenoid valve 19 and solenoid valve 20; Flowmeter 3 is connected with mixer 6 by pipeline with flowmeter 4, and mixer 6 is connected with mixer 11, relevant experimental provision 12, separation vessel 13 and separation vessel 14 by pipeline, and separation vessel 14 is connected with fluid reservoir 2 by pipeline; Gas compressor 8 outlets are connected with the gas phase bypass, are connected with the gas phase major loop by solenoid valve 22 by solenoid valve 21; Solenoid valve 22 is connected with the flowmeter 9,10 of parallel connection, is respectively arranged with solenoid valve 23 and solenoid valve 24 at the two ends of flowmeter 9, and the two ends of flowmeter 10 are respectively arranged with solenoid valve 25 and solenoid valve 26; Flowmeter 9 is connected with mixer 11 by pipeline with flowmeter 10; The outlet of air compressor 7 is connected with bypass, is connected with mixer 6 bysolenoid valve 28 bysolenoid valve 27, on the mixer 6 emptyingpipelines solenoid valve 29 is set, solid particle material is carried and to be connected with mixer 6 bysolenoid valve 31 with measuring apparatus 5, draws pipeline between the air intake ofsolenoid valve 28 and mixer 6 and is connected with measuring apparatus 5 with the solid particle material conveying bysolenoid valve 30.

Referring to Fig. 2, solid particle material is carried and measuring apparatus 5 comprises: rotary-typegrain flux meter 37, reductor 35,particle warehouse 36, motor 32 andpressure regulator 33,particle warehouse 36 is connected with rotary-typegrain flux meter 37 by pipeline, motor 32 is connected with reductor 35 by shaft joint, reductor 35 is connected with rotary-typegrain flux meter 37 by transmission shaft, and the coil of motor 32 is connected withpressure regulator 33; The outlet of air compressor 7 is connected with bypass, is connected with mixer 6 bysolenoid valve 28 bysolenoid valve 27, mixer outlet 38 is connected with the emptying pipeline,solenoid valve 29 is set on the emptying pipeline, solid particle material is carried and to be connected with mixer 6 bysolenoid valve 31 with measuring apparatus 5, draws pipeline between the air intake 39 ofsolenoid valve 28 and mixer 6 and is connected with rotary-typegrain flux meter 37 bysolenoid valve 30; Be respectively arranged with theliquid inlet 41 that is connected with flowmeter 4 with flowmeter 3 on the mixer 6, the liquid-solid mixture outlet 42 that is connected with mixer 11 also is provided with the liquid-level probe 34 that is connected with control system on the mixer 6.

Referring to Fig. 3, rotary-typegrain flux meter 37 comprises the lower baffle that has discharging opening 45 44 that is arranged in the rotary-type grain flux meter, lower baffle 44 is provided with runner 43, have material-storing hole 51 on the runner 43, transmission shaft 47 is connected with runner 43 by bolt 46, be provided with above the runner 43 have charging aperture 49 on plate washer 50, last plate washer 50 tops are particle chamber 48.

The present invention utilizes single-phase pump 1 that liquid is transported to pipe system by fluid reservoir 2, adopts orifice flowmeter 3,4 metering liquid flows, and orifice flowmeter can be arranged many covers, to cover broad flow parameter scope; Utilize the enclosed solid particle material conveying and metering device 5 and the liquid-solid on-line mixing device 6 of pressure-bearing pipe system, provide compressed gas source by air compressor 7, above liquid-solid mixer, form a stable headroom, be beneficial to conveying and the metering and the liquid-solid mixing of solid particle material, the control voltage of solid materiel flux and motor is linear; Utilize compressor 8 to pipe system transporting compressed gas body, adopt orifice flowmeter 9,10 metering gas flows, arrange an air and liquid mixer 11 after liquid-solid mixer 6, amount of compressed gas is mixed with liquid-solid mixture in air and liquid mixer, forms the gas-liquid-solid three-phase potpourri; After the gas-liquid-solid three-phase potpourri flows through relevant experimental provision 12, utilize filtering type liquid-solid separator 13 separate solid particles, utilize cyclone separator 14 to implement gas-liquid separation, liquid is got back to fluid reservoir 2 and is recycled; Set up a cover distributed data acquisition system, gather the measuring-signal of liquid-level probe 34 of thepressure regulator 33 control voltage signals of differential pressure measurement signal, the solid material conveying and metering equipment motor 32 of the fluid temperature (F.T.) of liquid phase systems and gassy system and pressure measurement signal and orifice flowmeter, liquid-solid mixer and the various measuring-signals of relevant experiment respectively; Set up a cover control system, control major loop and thesolenoid valve 30 of the pressure equilibrium pipeline between bypass solenoid valve 21-26, the pressure regulator of solid material conveying and metering equipment motor, liquid-solid mixer pressurized air introduction pipeline and the solenoid valve 27-29 of emptying pipeline, liquid-solid mixer and the solid material conveying and metering device and thesolenoid valve 31 of feeding pipeline of the major loop of power-equipment switch, liquid phase systems and bypass solenoid valve 15-20, gassy system respectively, realize the dynamically control and keep the internal mixer liquid-gas interface stable of each phase flow rate; Utilize control system to realize the dynamic monitoring and the control of phase-splitting conveying, phase-splitting metering and the on-line mixing and the whole flow process of the solid multiphase medium of gas-liquid automatically.Particle flows into rotary-typegrain flux meter 37 byparticle warehouse 36 under action of gravity, grain flux is directly proportional with the rotating speed of runner 43.Stepless change direct current generator 32 slows down and the increase moment of torsion through reductor 35, for the flowmeter impeller provides power.Pressure regulator 17 provides speed governing voltage, and motor speed is directly proportional with speed governing voltage.Demarcate the relation of grain flux and pressure regulator output voltage before the experiment, the two linear dependence.Only need in the experiment to change pressure regulator voltage, just can obtain different grain fluxs exactly.The structure and the scheme of erection of the positive displacement runner 43 of solid particle material conveying and metering device 5 have been provided among Fig. 3.Runner is positioned at the below of particle chamber 48, and bolt 46 is connected runner with transmission shaft 47.In certain radial position of runner symmetric arrangement the material-storing hole 51 of some.Runner has been arranged overhead gage 50 and lower baffle plate 44 up and down respectively, the radial arrangement that overhead gage left side is identical with material-storing hole the annular charging aperture 49 of fan, radial position place identical with material-storing hole of lower baffle plate right side arranged and fanned annular discharging opening 45.Open motor 32 runner is rotated, when material-storing hole moved to the charging aperture below, under action of gravity, the granule materials in the particle chamber 48 was filled material-storing hole; When material-storing hole moved to the discharging opening top, under action of gravity, the solid particle material in the material-storing hole fell to the outlet of solid particle material conveying and metering device from discharging opening equally.Flowability according to solid particle material designs the size of material-storing hole and the size of number and charging aperture and discharging opening, guarantee under certain runner speed conditions, material-storing hole can be full of by particle in through the process below the charging aperture, and at the particle that in through the process above the discharging opening, can discharge fully wherein, thereby guarantee that grain flux is directly proportional with the runner rotating speed.

Utilize liquid-solid mixer 6 to realize the liquid-solid two-phase on-line mixing.The mixer top layout has gas feed 38 and outlet 39, and pressurized air is introduced from import, to atmosphere, has formed thegas space 40 on mixer top through outlet row.The aperture of control valve 27-29 makes air pressure and fluid pressure balance, can form stable liquid-gas interface.Particle flows out after the gas space freely falls to liquid-gas interface and liquid mixing from flowmeter.Liquid stream is tangentially injected frommixer side inlet 41, forms rotational flow, and liquid-solid two-phase is realized mixing under the effect of eddy flow shearing and turbulent diffusion, flows out from outlet atbottom 42.

If do not need to simulate the dynamic change of each phase flow rate and phase content, perhaps less demanding to the robotization of experimental system, can also simplify the monitoring and the control system of experimental provision, implement the manual observation and the record of manually control and measurement data.

Employing the present invention have the following advantages:

(1) adopt the phase-splitting metering method, because single-phase mobile measuring instrument technology maturation, precision is higher, Can accurately simulate the various mixed flow phenomenons of gas-liquid-solid multiphase flow;

(2) adopt online mixed method, can each phase flow rate of dynamic adjustments, realize gas-liquid-solid multiphase flow The simulation of moving transient state change procedure;

(3) use equipment powered by conventional energy and single-phase flow measuring instrument, replaced prior art to adopt With blending tank, multi-phase pipeline pump, multiphase mixture flow and the phase content measuring instrument of agitator, Greatly reduce the cost of experimental provision and the floor space of system.

Claims (5)

Translated fromChinese

1、一种气液固多相流动模拟方法，其特征在于：1. A gas-liquid-solid multiphase flow simulation method, characterized in that:(1)首先采用单相泵1将液体送到通过管道和电磁阀与单向泵1相联通的包含单相流量测量仪表[3]、[4]和液固混合器[6]的液相主回路内，在液固混合器[6]之前采用单相流量测量仪表[3]和[4]计量液相流量，采用气体压缩机[8]将气体输送到通过管道和电磁阀与单相流量测量仪表[9]、[10]相联通的气相主回路中，在气液混合器[11]之前采用单相流量测量仪表[9]和[10]计量气相流量；(1) Firstly, the single-phase pump 1 is used to send the liquid to the liquid phase including the single-phase flow measuring instruments [3], [4] and the liquid-solid mixer [6] connected with the one-way pump 1 through the pipeline and the solenoid valve. In the main circuit, single-phase flow measuring instruments [3] and [4] are used to measure the liquid phase flow before the liquid-solid mixer [6], and the gas compressor [8] is used to transport the gas to the single-phase flow through the pipeline and solenoid valve. In the gas phase main loop connected by the flow measuring instruments [9] and [10], single-phase flow measuring instruments [9] and [10] are used to measure the gas phase flow before the gas-liquid mixer [11];(2)然后利用颗粒物料输送和计量装置[5]定量输送颗粒物料并在液固混合器[6]中完成液固混合，用空气压缩机[7]将压缩空气引入液固混合器[6]内，在液固混合器[6]内形成稳定的气液相界面，固体颗粒物料经由相界面上方的气体空间加入到相界面，在相界面下方完成液固混合；(2) Then use the granular material conveying and metering device [5] to quantitatively transport the granular material and complete the liquid-solid mixing in the liquid-solid mixer [6], and use the air compressor [7] to introduce compressed air into the liquid-solid mixer [6] ], a stable gas-liquid phase interface is formed in the liquid-solid mixer [6], the solid particle material is added to the phase interface through the gas space above the phase interface, and the liquid-solid mixing is completed below the phase interface;(3)然后在气液混合器[11]中完成液固混合物与气体混合，形成气液固三相混合物进入应用本发明装置作为实验系统的有关实验装置[12]中；(3) complete liquid-solid mixture and gas mixing in gas-liquid mixer [11] then, form gas-liquid-solid three-phase mixture and enter in the relevant experimental device [12] that uses device of the present invention as experimental system;2、根据权利要求1所述的气液固多相流动模拟方法，其特征在于：当气液固三相混合物流出有关的实验装置[12]之后，最后需要依次经过过滤式液固分离器[13]和旋风气液分离器[14]完成液固分离和气液分离，固体颗粒进入液固分离器[13]的沉积室以待循环利用，气体排空，液体流回储液罐[2]中连续循环使用。2. The gas-liquid-solid multiphase flow simulation method according to claim 1, characterized in that: after the gas-liquid-solid three-phase mixture flows out of the relevant experimental device [12], it needs to pass through the filter type liquid-solid separator [ 13] and the cyclone gas-liquid separator [14] complete the liquid-solid separation and gas-liquid separation, the solid particles enter the deposition chamber of the liquid-solid separator [13] to be recycled, the gas is emptied, and the liquid flows back to the liquid storage tank [2] continuous cycle use.3、一种气液固多相流动装置，包括单相泵[1]，单相泵[1]的入口通过管路与储液罐[2]相连接，其特征在于：单相泵[1]的出口分别通过电磁阀[15]连接液相旁路、通过电磁阀[16]连接液相主回路，液相旁路与储液罐[2]连接；电磁阀[16]与并联的流量计[3]、[4]相连接，流量计[3]和流量计[4]通过管路与混合器[6]相连接，液固混合器[6]通过管路与气液混合器[11]、有关实验装置[12]、过滤式液固分离器[13]和旋风气液分离器[14]相连接，旋风气液分离器[14]通过管路与储液罐[2]相连接；气体压缩机[8]的出口通过电磁阀[21]与气相旁路相连接、通过电磁阀[22]与气相主回路相连接；电磁阀[22]与并联的流量计[9]、[10]相连接，流量计[9]和流量计[10]通过管路与气液混合器[11]相连接；空气压缩机[7]的出口通过电磁阀[27]与旁路相连接、通过电磁阀[28]与混合器[6]相连接，混合器[6]排空管路上设置电磁阀[29]，固体颗粒物料输送和计量装置[5]通过电磁阀[31]与混合器[6]相连接，电磁阀[28]与混合器[6]的空气入口之间引出管路通过电磁阀[30]与固体颗粒物料输送和计量装置[5]相连接。3. A gas-liquid-solid multiphase flow device, including a single-phase pump [1], the inlet of the single-phase pump [1] is connected to the liquid storage tank [2] through a pipeline, characterized in that: the single-phase pump [1] ] outlets are respectively connected to the liquid phase bypass through the solenoid valve [15] and the liquid phase main circuit through the solenoid valve [16], and the liquid phase bypass is connected to the liquid storage tank [2]; the solenoid valve [16] is connected to the parallel flow Meter [3], [4] are connected, flow meter [3] and flow meter [4] are connected with mixer [6] through pipeline, and liquid-solid mixer [6] is connected with gas-liquid mixer [ 11], the relevant experimental device [12], the filter type liquid-solid separator [13] and the cyclone gas-liquid separator [14] are connected, and the cyclone gas-liquid separator [14] is connected with the liquid storage tank [2] through the pipeline. connection; the outlet of the gas compressor [8] is connected with the gas phase bypass through the solenoid valve [21], and connected with the gas phase main circuit through the solenoid valve [22]; the solenoid valve [22] is connected with the parallel flow meter [9], [10] is connected, the flowmeter [9] and the flowmeter [10] are connected with the gas-liquid mixer [11] through the pipeline; the outlet of the air compressor [7] is connected with the bypass through the solenoid valve [27] , Connect with the mixer [6] through the electromagnetic valve [28], the electromagnetic valve [29] is set on the emptying pipeline of the mixer [6], and the solid particle material conveying and metering device [5] is connected with the mixer [6] through the electromagnetic valve [31]. The outlet pipeline between the solenoid valve [28] and the air inlet of the mixer [6] is connected with the solid particle material conveying and metering device [5] through the solenoid valve [30].4、根据权利要求3所述的气液固多相流动装置，其特征在于：固体颗粒物料输送和计量装置[5]由转轮式颗粒流量计[37]、减速机[35]、颗粒储仓[36]、电机[32]和调压器[33]组成，颗粒储仓[36]通过管路与转轮式颗粒流量计[37]相连接，电机[32]通过连轴器与减速机[35]相连接，减速机[35]通过传动轴与转轮式颗粒流量计[37]相连接，电机[32]的线圈与调压器[33]相连接；转轮式颗粒流量计[37]通过电磁阀[31]与混合器[6]相连接，电磁阀[28]与混合器[6]的空气入口[39]之间引出管路通过电磁阀[30]与转轮式颗粒流量计[37]相连接；混合器[6]上分别设置有与流量计[3]和流量计[4]相连接的液体入口[41]，与混合器[11]相连接的液固混合物出口[42]，混合器[6]上还设置有与数据采集与控制系统相连接的液位探头[34]。4. The gas-liquid-solid multiphase flow device according to claim 3, characterized in that: the solid particle material conveying and metering device [5] consists of a rotary particle flowmeter [37], a reducer [35], a particle storage bin [36], motor [32] and pressure regulator [33], the particle storage bin [36] is connected to the rotary particle flowmeter [37] through the pipeline, and the motor [32] is connected to the speed reducer through the coupling The motor [35] is connected, the reducer [35] is connected with the rotary particle flowmeter [37] through the transmission shaft, the coil of the motor [32] is connected with the pressure regulator [33]; the rotary particle flowmeter [37] is connected to the mixer [6] through the solenoid valve [31], and the pipeline between the solenoid valve [28] and the air inlet [39] of the mixer [6] passes through the solenoid valve [30] and the wheel type The particle flowmeter [37] is connected; the mixer [6] is respectively provided with a liquid inlet [41] connected with the flowmeter [3] and the flowmeter [4], and a liquid-solid inlet [41] connected with the mixer [11]. The mixture outlet [42], the mixer [6] is also provided with a liquid level probe [34] connected to the data acquisition and control system.5、根据权利要求3所述的气液固多相流动装置，其特征在于：所说的转轮式颗粒流量计[37]包括设置在转轮式颗粒流量计内的开有出料口[45]的下档板[44]，在下档板[44]上设置有转轮[43]，转轮[43]上开有贮料孔[51]，传动轴[47]通过定位螺栓[46]与转轮[43]相连接，在转轮[43]上方设置具有进料口[49]的上档板[50]，上档板[50]上方是颗粒室[48]。5. The gas-liquid-solid multiphase flow device according to claim 3, characterized in that: said wheel-type particle flowmeter [37] includes a discharge port [37] arranged in the wheel-type particle flowmeter. The lower baffle plate [44] of 45] is provided with a running wheel [43] on the lower baffle plate [44], and the running wheel [43] has a material storage hole [51], and the drive shaft [47] passes through the positioning bolt [46] ] is connected with the runner [43], the upper baffle plate [50] with feed inlet [49] is set above the runner [43], and the upper baffle plate [50] is the particle chamber [48].

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