CN106310986B - One kind circulation microvesicle formula Liqiud-gas mixing device - Google Patents
One kind circulation microvesicle formula Liqiud-gas mixing device Download PDFInfo
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Classifications
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- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
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- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
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- B01F23/20—Mixing gases with liquids
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- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2311—Mounting the bubbling devices or the diffusers
- B01F23/23115—Mounting the bubbling devices or the diffusers characterised by the way in which the bubbling devices are mounted within the receptacle
- B01F23/231151—Mounting the bubbling devices or the diffusers characterised by the way in which the bubbling devices are mounted within the receptacle the bubbling devices being fixed or anchored in the bottom
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- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
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- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
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- B01F25/4522—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through porous bodies, e.g. flat plates, blocks or cylinders, which obstruct the whole diameter of the tube
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Abstract
本发明公开了一种循环微泡式气液混合装置，本装置由气液混合容器、柱塞式计量泵、压力传感器、系统泄压口、阀门和管路组成，其特征在于气液混合容器进气口与柱塞式计量泵加压口相连，气液混合容器出气口通过管路分出两个分支，一个分支与柱塞式计量泵充气口连接，另一个分支与系统泄压口连接，两个分支分别由阀门控制。气液混合容器包含压力容器、微泡发生装置和亲气型多孔介质板，在压力容器下部有排水口和进气口，上部有出气口。本发明结构简单，操作方便，主要应用于各类温压条件下、用量小、精度要求高的气液混合领域。
The invention discloses a circulating microbubble type gas-liquid mixing device. The device is composed of a gas-liquid mixing container, a plunger type metering pump, a pressure sensor, a system pressure relief port, a valve and a pipeline, and is characterized in that the gas-liquid mixing container The air inlet is connected to the pressure port of the plunger metering pump, and the gas outlet of the gas-liquid mixing container is divided into two branches through the pipeline, one branch is connected to the air inlet of the plunger metering pump, and the other branch is connected to the pressure relief port of the system , the two branches are controlled by valves respectively. The gas-liquid mixing vessel includes a pressure vessel, a microbubble generating device and an aerophilic porous medium plate. There is a drain port and an air inlet at the lower part of the pressure vessel, and an air outlet at the upper part. The invention has simple structure and convenient operation, and is mainly used in the field of gas-liquid mixing under various temperature and pressure conditions, with small dosage and high precision requirements.
Description
技术领域：Technical field:
本发明属于气液混合技术领域，尤其涉及一种循环微泡式气液混合装置，可应用于高中低温压条件下、用量小、精度要求高的气液混合。该装置可用于油气、水气或其他溶液与气体的气液混合，适用于石油、化工、水利、医药等需要气液混合的行业。The invention belongs to the technical field of gas-liquid mixing, and in particular relates to a circulating microbubble type gas-liquid mixing device, which can be applied to gas-liquid mixing with small dosage and high precision requirements under high, medium and low temperature pressure conditions. The device can be used for gas-liquid mixing of oil gas, water gas or other solutions and gases, and is suitable for industries requiring gas-liquid mixing such as petroleum, chemical industry, water conservancy, and medicine.
背景技术：Background technique:
随着化石能源储量的持续减少以及开采难度的不断增大，油气二次开采、三次开采在能源开采中发挥着越来越重要的作用，通常情况下利用注水驱油气进行二次或三次开采，然而，由于水资源的紧缺，其它驱油气方式应运而生，主要包括空气(N2)驱、CO2驱等。除此之外，非常规能源，如页岩油气、致密油气、地热、天然气水合物等，逐渐成为了当前的研究热点，在能源结构中占据的比例也显著提高。在上述能源开采过程中，气、水、油处于共存状态，且部分处于相互混溶状态，尤其是气-水混合溶液在储集地层运移过程中将会与岩石矿物发生化学反应或物理反应，从而影响岩石的孔隙结构、矿物吸附特性等，这都将影响油、气、地热及天然气水合物在岩石孔隙中的赋存和运移状态。目前气-水-岩石之间物理、化学反应的研究以室内实验为主，因此，气液混合对混合温度、压力以及混合精度等条件有了更高的要求。With the continuous reduction of fossil energy reserves and the increasing difficulty of mining, secondary and tertiary recovery of oil and gas are playing an increasingly important role in energy extraction. Usually, water flooding is used to drive oil and gas for secondary or tertiary recovery. However, due to the shortage of water resources, other oil and gas flooding methods have emerged, mainly including air (N 2 ) flooding and CO 2 flooding. In addition, unconventional energy, such as shale oil and gas, tight oil and gas, geothermal, natural gas hydrate, etc., has gradually become a current research hotspot, and its proportion in the energy structure has also increased significantly. In the above-mentioned energy extraction process, gas, water, and oil are in a state of coexistence, and some of them are in a state of mutual miscibility, especially when the gas-water mixed solution will undergo chemical or physical reactions with rock minerals during the migration of the reservoir formation , thus affecting the pore structure of the rock, mineral adsorption characteristics, etc., which will affect the occurrence and migration of oil, gas, geothermal and natural gas hydrate in the rock pores. At present, the research on the physical and chemical reactions between gas-water-rock is mainly based on indoor experiments. Therefore, gas-liquid mixing has higher requirements on mixing temperature, pressure and mixing precision.
目前主要的气液混合方法有传统曝气法、气液混合泵和微气泡混合器等。At present, the main gas-liquid mixing methods include traditional aeration method, gas-liquid mixing pump and microbubble mixer.
传统曝气法主要在一些大型污水处理中使用，属于粗放型气液混合方式，混合效率较低，且无法控制混合压力；气液混合泵为常温常压条件下的机械搅拌混合，不适用于密封条件下的气液混合；微气泡混合器通过多种方法使气体以气泡的形式与水接触并混合，如文丘里式微泡发生器、射流震荡法、静电喷射技术、微孔材料等，其中利用微孔材料形成微气泡被认为是能耗最低的方法。张小伟和徐美倩等在专利《微纳米气泡发生装置》(申请号201410077966.5)中提出了微纳米气泡发生装置，用于污水处理、水产养殖等水体中的气液混合，此装置采用具有一定开孔率的微孔结构将气体分散成大气泡，再利用液体剪切作用将大气泡分散成微纳米气泡，这一方法依然存在微气泡尺寸不均匀的问题，此外，由于液体处于流动状态，无法保证气体在液体中充分饱和，且无法实现高温、高压条件下的气液混合。刘献玲和吴翔等在专利《一种旋流式微气泡气液混合器》(申请号201520049663.2)中提出了利用内外两层大、小孔径的陶瓷膜、金属粉末烧结管、有机膜、多孔玻璃膜、金属烧结网等将气体分散成不同尺寸的气泡，再利用液体剪切作用形成尺寸更小的气泡，但此方法依然无法满足对气液混合温度、压力条件的控制。The traditional aeration method is mainly used in some large-scale sewage treatment, which belongs to the extensive gas-liquid mixing method, the mixing efficiency is low, and the mixing pressure cannot be controlled; the gas-liquid mixing pump is mechanical stirring and mixing under normal temperature and pressure conditions, and is not suitable for Gas-liquid mixing under sealed conditions; the microbubble mixer makes the gas contact and mix with water in the form of bubbles through various methods, such as Venturi microbubble generator, jet oscillation method, electrostatic spray technology, microporous materials, etc., among which The use of microporous materials to form microbubbles is considered the least energy-intensive method. Zhang Xiaowei and Xu Meiqian proposed a micro-nano bubble generating device in the patent "Micro-Nano Bubble Generator" (application number 201410077966.5), which is used for gas-liquid mixing in sewage treatment, aquaculture and other water bodies. The microporous structure disperses the gas into large bubbles, and then uses the liquid shear to disperse the large bubbles into micro-nano bubbles. This method still has the problem of uneven size of micro-bubbles. In addition, because the liquid is in a flowing state, it cannot ensure that the gas It is fully saturated in liquid, and cannot achieve gas-liquid mixing under high temperature and high pressure conditions. Liu Xianling and Wu Xiang proposed in the patent "A Swirling Microbubble Gas-Liquid Mixer" (Application No. 201520049663.2) to use ceramic membranes with inner and outer layers of large and small apertures, metal powder sintered tubes, organic membranes, and porous glass membranes. , metal sintered mesh, etc. to disperse the gas into bubbles of different sizes, and then use the shearing action of the liquid to form smaller bubbles, but this method still cannot satisfy the control of the gas-liquid mixing temperature and pressure conditions.
为了满足较高压力需求，气液混合容器需要选用密封容器，其中没有传动装置贯穿气液混合容器的静密封成为最佳选择。此外，为了提高气液混合效率，使气体以微泡的形式与水接触被认为是最为行之有效的方式，其中采用孔径较小的多孔介质材料对气体进行机械分散，从而产生微气泡，具有能耗低、微泡发生效果好等优点。由此可见，结合静密封和小孔径多孔介质材料的使用，可以实现高压条件下的气液混合，且混合效率更高。In order to meet the higher pressure requirements, the gas-liquid mixing container needs to be a sealed container, and the static seal without the transmission device penetrating the gas-liquid mixing container is the best choice. In addition, in order to improve the gas-liquid mixing efficiency, it is considered to be the most effective way to contact the gas with water in the form of microbubbles, in which the gas is mechanically dispersed by a porous medium material with a small pore size, thereby generating microbubbles, which has the advantages of It has the advantages of low energy consumption and good effect of microbubble generation. It can be seen that, combined with the use of static sealing and small-pore porous media materials, gas-liquid mixing under high pressure conditions can be achieved, and the mixing efficiency is higher.
发明内容：Invention content:
本发明的目的是提供一种循环微泡式气液混合装置，该装置结构简单，操作方便，能够实现高中低温压条件下、用量小、精度要求高的气液混合，从而满足对气液混合控制精度较高的要求。The purpose of the present invention is to provide a circulating micro-bubble gas-liquid mixing device, which is simple in structure and easy to operate, and can realize gas-liquid mixing with small dosage and high precision requirements under high, medium and low temperature pressure conditions, so as to meet the requirements for gas-liquid mixing. Higher requirements for control precision.
为实现上述目的，本发明采用以下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
本发明的一种循环微泡式气液混合装置，由气液混合容器、柱塞式计量泵、压力传感器、系统泄压口、阀门和管路组成，其中，气液混合容器进气口与柱塞式计量泵加压口相连，气液混合容器出气口通过管路分出两个分支，一个分支与柱塞式计量泵充气口连接，另一个分支与系统泄压口连接，两个分支分别由阀门控制。A circulating microbubble type gas-liquid mixing device of the present invention is composed of a gas-liquid mixing container, a plunger type metering pump, a pressure sensor, a system pressure relief port, a valve and a pipeline, wherein the gas-liquid mixing container inlet and The pressure port of the plunger metering pump is connected, and the gas outlet of the gas-liquid mixing container is divided into two branches through the pipeline. One branch is connected to the air inlet of the plunger metering pump, and the other branch is connected to the pressure relief port of the system. are controlled by valves respectively.
本发明的一种循环微泡式气液混合装置，其中，气液混合容器包含压力容器封盖、紧固螺栓、O型密封圈、压力容器槽、亲气型多孔介质板、微泡发生装置，在压力容器槽内侧安装了亲气型多孔介质板，在压力容器槽底部安装了微泡发生装置，在压力容器槽下部设置了排水口和进气口，在压力容器槽上部设置了出气口。A circulating microbubble type gas-liquid mixing device of the present invention, wherein the gas-liquid mixing container includes a pressure vessel cover, fastening bolts, O-shaped sealing rings, a pressure vessel tank, an aerophilic porous medium plate, and a microbubble generating device , an aerophilic porous medium plate is installed inside the pressure vessel tank, a microbubble generating device is installed at the bottom of the pressure vessel tank, a drain port and an air inlet are set at the lower part of the pressure vessel tank, and an air outlet is set at the upper part of the pressure vessel tank .
本发明的一种循环微泡式气液混合装置，其中，微泡发生装置由进气管、四通、三通和多孔介质空心圆柱相互连接组成，多孔介质空心圆柱的材料具有亲气性或亲液性，多孔介质孔径一般小于50μm。A circulating micro-bubble type gas-liquid mixing device of the present invention, wherein the micro-bubble generating device is composed of an air inlet pipe, a four-way, a three-way and a porous medium hollow cylinder connected to each other, and the material of the porous medium hollow cylinder has aerophilicity or affinity Liquid, the pore size of porous media is generally less than 50 μm.
与现有气液混合装置相比，本发明的有益效果有：Compared with the existing gas-liquid mixing device, the beneficial effects of the present invention are:
(1)本发明的气液混合容器采用静密封，可以进行高压条件下的气液混合，还可以将气液混合容器单独置于高温水浴或气浴中进行高温条件下的气液混合；(1) The gas-liquid mixing container of the present invention adopts a static seal, which can carry out gas-liquid mixing under high-pressure conditions, and can also place the gas-liquid mixing container separately in a high-temperature water bath or gas bath to carry out gas-liquid mixing under high-temperature conditions;
(2)本发明的微泡发生装置采用孔径更小的多孔介质材料，可以将气体更加均匀地分离成非常微小的气泡，大大增加了气泡与液体的接触面积，从而提高了气液混合效率；(2) The microbubble generating device of the present invention adopts a porous medium material with a smaller pore size, which can more evenly separate the gas into very small bubbles, greatly increasing the contact area between the bubbles and the liquid, thereby improving the gas-liquid mixing efficiency;
(3)本发明的气液混合容器装有亲气型多孔介质板，积聚在气液混合容器顶部的气体可以缓慢进入该多孔介质板，并在该多孔介质板表面再次与液体接触，实现了微泡连续循环，从而进一步提高了气液混合效率；(3) The gas-liquid mixing container of the present invention is equipped with an aerophilic porous medium plate, and the gas accumulated on the top of the gas-liquid mixing container can slowly enter the porous medium plate and contact the liquid again on the surface of the porous medium plate, realizing The continuous circulation of microbubbles further improves the gas-liquid mixing efficiency;
(4)本发明的气液混合装置，既可以将内部压力维持在较高水平，也可以将积聚在气液混合容器顶部的气体吸入柱塞式计量泵，并通过气液混合容器进气口和微泡发生装置重新注入气液混合容器，实现气体以微泡的形式反复在气液混合容器中循环，从而再次大幅提高了气液混合效率。(4) The gas-liquid mixing device of the present invention can maintain the internal pressure at a relatively high level, and can also suck the gas accumulated on the top of the gas-liquid mixing container into the plunger type metering pump, and pass it through the air inlet of the gas-liquid mixing container. And the microbubble generating device is re-injected into the gas-liquid mixing container, so that the gas can be repeatedly circulated in the gas-liquid mixing container in the form of microbubbles, thereby greatly improving the gas-liquid mixing efficiency again.
附图说明：Description of drawings:
图1为本发明一种循环微泡式气液混合装置的结构示意图；Fig. 1 is the structural representation of a kind of circulating microbubble type gas-liquid mixing device of the present invention;
图2为气液混合容器压力容器槽和封盖的俯视图；Fig. 2 is the top view of gas-liquid mixing vessel pressure vessel tank and cover;
图3为亲气型多孔介质板放大示意图；Figure 3 is an enlarged schematic diagram of an aerophilic porous media plate;
图4为微泡发生装置放大示意图；Figure 4 is an enlarged schematic view of the microbubble generating device;
图5为微泡发生装置中的多孔介质空心圆柱放大示意图。Fig. 5 is an enlarged schematic diagram of a porous medium hollow cylinder in the microbubble generating device.
附图序号说明：Explanation of the serial numbers of the attached drawings:
1-气液混合容器，1- gas-liquid mixing vessel,
101-压力容器封盖，102-紧固螺栓，103-O型密封圈，104-压力容器槽，105-亲气型多孔介质板，106-微泡发生装置，1061-进气管，1062-四通，1063-三通，1064-多孔介质空心圆柱，107-气液混合容器排水口，108-排水控制阀，109-气液混合容器进气口，110-气液混合容器出气口；101-pressure vessel cover, 102-fastening bolts, 103-O-ring, 104-pressure vessel tank, 105-aerophilic porous media plate, 106-microbubble generating device, 1061-intake pipe, 1062-four Pass, 1063-tee, 1064-porous medium hollow cylinder, 107-gas-liquid mixing container drain, 108-drainage control valve, 109-gas-liquid mixing container inlet, 110-gas-liquid mixing container gas outlet;
2-进气控制阀，2- intake control valve,
3-柱塞式计量泵，3-piston metering pump,
301-柱塞式计量泵加压口，302-柱塞式计量泵充气口；301-Plunger type metering pump pressure port, 302-Plunger type metering pump inflation port;
4-回填控制阀，4- Backfill control valve,
5-压力传感器，5- pressure sensor,
6-泄压阀，6- pressure relief valve,
7-系统泄压口，7-system pressure relief port,
8-管路。8-Pipeline.
具体实施方式：detailed description:
下面结合附图对本发明的实施例进行详述。Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
如图1所示，本发明的一种循环微泡式气液混合装置，由气液混合容器1、阀门2、柱塞式计量泵3、阀门4、压力传感器5、阀门6和管路8组成，其中，气液混合容器进气口109与柱塞式计量泵加压口301相连，并由阀门2控制开合，气液混合容器出气口110通过管路8分出两个分支，一个分支与柱塞式计量泵充气口302连接，另一个分支与系统泄压口7连接，两个分支分别由阀门4和阀门6控制开合。以CO2-水在某温度、压力条件下的气液混合为例，对本发明的具体实施方式介绍如下：As shown in Fig. 1, a kind of circulating microbubble type gas-liquid mixing device of the present invention, by gas-liquid mixing container 1, valve 2, plunger type metering pump 3, valve 4, pressure sensor 5, valve 6 and pipeline 8 Composition, wherein, the air inlet 109 of the gas-liquid mixing container is connected with the pressurizing port 301 of the plunger type metering pump, and is opened and closed by the valve 2, and the gas outlet 110 of the gas-liquid mixing container is divided into two branches through the pipeline 8, one One branch is connected to the charging port 302 of the plunger metering pump, and the other branch is connected to the system pressure relief port 7, and the opening and closing of the two branches are controlled by valve 4 and valve 6 respectively. Taking the gas-liquid mixing of CO 2 -water under certain temperature and pressure conditions as an example, the specific implementation of the present invention is introduced as follows:
(1)为减少杂质气体的影响，开始气液混合前所有阀门关闭，将气液混合容器1充满水并置于设定温度的水浴箱或气浴箱中；(1) In order to reduce the impact of impurity gases, all valves are closed before gas-liquid mixing, and the gas-liquid mixing container 1 is filled with water and placed in a water bath box or a gas bath box at a set temperature;
(2)打开阀门108和阀门4，利用柱塞式计量泵3经由气液混合容器出气口110以一个较低的压力向气液混合容器1内注入CO2，并将部分水经由排水口107排出，然后关闭阀门108和阀门4。CO2将会积聚在气液混合容器1顶部，可根据需要确定排出水的体积；(2) Open the valve 108 and valve 4, use the plunger type metering pump 3 to inject CO2 into the gas-liquid mixing container 1 through the gas outlet 110 of the gas-liquid mixing container at a lower pressure, and part of the water through the drain port 107 Drain, then close valve 108 and valve 4. CO2 will accumulate at the top of the gas-liquid mixing container 1, and the volume of the discharged water can be determined as required;
(3)打开阀门2，利用利用柱塞式计量泵3经由气液混合容器进气口109以一个较低的、恒定的速率向气液混合容器1内注入CO2。CO2气体经过微泡发生装置106中多孔介质空心圆柱1064的机械分离作用，分散成众多微小气泡由水中上浮，上浮过程中，部分气泡溶解在水中从而与水混合；(3) Open the valve 2 and use the plunger metering pump 3 to inject CO 2 into the gas-liquid mixing container 1 at a relatively low and constant rate through the air inlet 109 of the gas-liquid mixing container. The CO 2 gas is mechanically separated by the porous medium hollow cylinder 1064 in the microbubble generating device 106, and is dispersed into many microscopic bubbles and floats up in the water. During the floating process, part of the bubbles dissolve in the water and mix with the water;
(4)注意观察压力传感器5，当气液混合容器1中的压力达到设定值时停止注入CO2，然后关闭阀门2，并将气液混合容器1内的压力维持在该水平持续一段时间。(4) Pay attention to the pressure sensor 5, stop injecting CO 2 when the pressure in the gas-liquid mixing container 1 reaches the set value, then close the valve 2, and maintain the pressure in the gas-liquid mixing container 1 at this level for a period of time .
由于压力容器槽104内侧安装有亲气型多孔介质板105，在毛细管压力的作用下，一部分积聚在气液混合容器1顶部的CO2会进入亲气型多孔介质板105内部，并再次与气液混合容器1下部的水接触，发生CO2-水的二次溶解，由此实现了CO2微泡在气液混合容器1内部的循环。Since the aerophilic porous medium plate 105 is installed inside the pressure vessel tank 104, under the action of capillary pressure, a part of the CO2 accumulated on the top of the gas-liquid mixing vessel 1 will enter the inside of the aerophilic porous medium plate 105 and be combined with the gas again. When the water in the lower part of the liquid mixing container 1 contacts, secondary dissolution of CO 2 -water occurs, thereby realizing the circulation of CO 2 microbubbles in the gas-liquid mixing container 1 .
根据需要执行步骤(5)或步骤(6)；Execute step (5) or step (6) as required;
(5)打开阀门4，将积聚在气液混合容器1顶部的CO2再次充填入柱塞式计量泵3，直到压力降到气液混合开始前的压力水平。关闭阀门4。再次执行步骤(3)、步骤(4)，由此实现了CO2在气液混合容器1外部的循环。(5) Open the valve 4 and fill the CO2 accumulated at the top of the gas-liquid mixing container 1 into the plunger metering pump 3 again until the pressure drops to the pressure level before the gas-liquid mixing starts. Close valve 4. Step (3) and step (4) are performed again, thereby realizing the circulation of CO outside the gas-liquid mixing container 1 .
(6)经过在气液混合容器1内部和外部的反复循环，CO2与水发生了充分混合，并最终得到该设定温度、压力条件下的CO2-水混合溶液。(6) After repeated circulation inside and outside the gas-liquid mixing vessel 1 , CO 2 and water are fully mixed, and a CO 2 -water mixed solution under the set temperature and pressure conditions is finally obtained.
(7)关闭阀门2，打开阀门4，利用柱塞式计量泵3将气液混合容器1内的CO2-水混合溶液压入其他容器以备使用。(7) Close the valve 2, open the valve 4, and use the plunger type metering pump 3 to press the CO 2 -water mixed solution in the gas-liquid mixing container 1 into other containers for use.
需要注意的是，本发明不但可以应用在CO2-水气液混合中，还可以应用在其他气液混合中。步骤(3)、(4)、(5)的重复次数和气液混合容器1内部维持设定压力的时间与所选气、液类型有关，需要根据实际情况而定。此外，最终得到的气液混合溶液可以选择保温或保压储存，也可以选择常温或常压储存。It should be noted that the present invention can be applied not only to CO 2 -water gas-liquid mixing, but also to other gas-liquid mixing. The number of repetitions of steps (3), (4), and (5) and the time for maintaining the set pressure inside the gas-liquid mixing container 1 are related to the type of gas and liquid selected, and need to be determined according to the actual situation. In addition, the final gas-liquid mixed solution can be stored under heat preservation or pressure, or at normal temperature or pressure.
同时，本发明使用的亲气型多孔介质板105可以根据所选气体的不同而更换。微泡发生装置106中的多孔介质空心圆柱1064可以选择亲气型或亲液型，如果选择亲液型多孔材料，其进气值不宜太大，以免增加注气难度。At the same time, the aerophilic porous media plate 105 used in the present invention can be replaced according to the selected gas. The porous medium hollow cylinder 1064 in the microbubble generating device 106 can be aerophilic or lyophilic. If a lyophilic porous material is selected, the air intake value should not be too large, so as not to increase the difficulty of gas injection.
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| CN112127851B (en) * | 2019-06-24 | 2021-11-09 | 南京延长反应技术研究院有限公司 | Application of micro-interface strengthening system in combustible ice exploitation |
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