WO2013007156A1 - Solid-liquid separation apparatus and method - Google Patents

Solid-liquid separation apparatus and method Download PDF

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Publication number
WO2013007156A1
WO2013007156A1 PCT/CN2012/078171 CN2012078171W WO2013007156A1 WO 2013007156 A1 WO2013007156 A1 WO 2013007156A1 CN 2012078171 W CN2012078171 W CN 2012078171W WO 2013007156 A1 WO2013007156 A1 WO 2013007156A1
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solid
compressed air
liquid separation
liquid mixture
liquid
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PCT/CN2012/078171
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French (fr)
Chinese (zh)
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徐双
刘剑
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江西稀有稀土金属钨业集团有限公司
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Publication of WO2013007156A1 publication Critical patent/WO2013007156A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid

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  • the invention relates to a solid-liquid separation power device, in particular to a solid-liquid separation device and method using compressed air as power.
  • Solid-liquid separation is very common in industrial applications, and a filter press is a common solid-liquid separation device.
  • the working principle is that the industrial pump is used as the power source, and the solid-liquid mixture to be separated is sent to the plate and frame filter press, and the filtration effect of the plate and frame filter press is used to achieve the purpose of solid-liquid separation.
  • a 50m head industrial pump can provide a solid-liquid separation pressure of about 0.5 MPa, while a medium pressure compressed air can provide a solid-liquid separation pressure of 1.6-2.5 MPa.
  • An object of the present invention is to provide a solid-liquid separation device which utilizes compressed air as a solid-liquid mixture for solid-liquid separation, can realize a solid-liquid separation operation for a wider range of uses, and is expensive to use, maintain, and maintain. low.
  • a solid-liquid separation method is provided, characterized in that
  • the compressed air power device comprising a sealed pressure vessel
  • the container is provided with a solid-liquid mixture inlet and a compressed air inlet
  • a solid-liquid mixture outlet is arranged below the container
  • the solid-liquid mixture inlet, the compressed air inlet, and the solid-liquid mixture outlet are respectively provided with a solid-liquid mixture inlet control valve, a compressed air inlet control valve, a solid-liquid mixture outlet control valve; a solid-liquid mixture outlet and a solid-liquid separation device below the container Connected,
  • valve of the compressed air inlet is opened, and compressed air is introduced into the container;
  • the lower solid-liquid mixture outlet of the container is opened, and the solid-liquid mixture is sent to the solid-liquid separation device for solid-liquid separation by using the compressed air in the container as a power.
  • the solid-liquid separation device is a pressure filter.
  • the solid-liquid separation device is a filter press.
  • the solid-liquid separation device is a plate and frame filter press.
  • a pressure gauge is mounted on the compressed air power unit.
  • a solid-liquid separation device characterized in that the solid-liquid separation device comprises a solid-liquid separation device and a compressed air power device, the compressed air power device comprising a sealed pressure vessel, Above the container, there is a solid-liquid mixture inlet and a compressed air inlet, and a solid-liquid mixture outlet is arranged below the container; a solid-liquid mixture inlet, a compressed air inlet, and a solid-liquid mixture outlet are respectively provided with a solid-liquid mixture inlet control valve and a compressed air inlet. The valve, the solid-liquid mixture outlet control valve is controlled; the solid-liquid mixture outlet below the container is in communication with the solid-liquid separation device.
  • the solid-liquid separation device is a pressure filter.
  • the solid-liquid separation device is a filter press.
  • the solid-liquid separation device is a plate and frame filter press.
  • a pressure gauge is mounted on the compressed air power unit.
  • a solid-liquid separation device using compressed air as a power includes a solid-liquid separation device and a compressed air power device, the compressed aerodynamic device being a hermetic pressure vessel having a solid-liquid mixture inlet and compressed air above the container At the inlet, there is a solid-liquid mixture outlet below, and each opening is equipped with a control valve.
  • a pressure filter (such as a filter press) is connected to the outlet. After the solid-liquid mixture to be separated is introduced into the container, the inlet valve is closed, compressed air is introduced, the outlet below the container is opened, and the solid-liquid mixture is sent to the solid-liquid separation device for solid-liquid separation by using compressed air as a power.
  • a compressed air power unit is used in place of an industrial pump, and the maintenance and maintenance cost of the equipment is very low.
  • Compressed air provides more powerful solid-liquid separation power, with a more pronounced effect on difficult-to-separate solid-liquid mixtures, and faster separations for easily separated solid-liquid mixtures.
  • the industrial cost of compressed air is low and the operating cost is low. After the compressed air is filled into the closed container, the power required for solid-liquid separation can be continuously supplied even if the compressed air inlet valve is closed.
  • the compressed air power unit can also be made into various shapes suitable for the conditions according to the needs of the work.
  • Compressed aerodynamics can also be fitted with accessories such as pressure gauges to control operating pressure.
  • Figure 1 is a schematic view showing the structure of a solid-liquid separation apparatus according to the present invention.
  • a solid-liquid separation device using compressed air as a power includes a solid-liquid separation device 20 and a compressed air power device 100, and the compressed air power device 100 includes a hermetic pressure-resistant container 10, the container Above the 10 is provided a solid-liquid mixture inlet 3 and a compressed air inlet 1, below which there is a solid-liquid mixture outlet 5, and each of the openings 1, 3, 5 is provided with control valves 2, 4, 6, respectively.
  • the outlet 5 of the container 10 is connected to a solid-liquid separation device 20, which may be, for example, a pressure filter, a filter press or the like.
  • the lower portion of the boundary line 30 is the solid-liquid mixture 25 to be separated, and the upper portion of the boundary line 30 is the compressed air 15.
  • the inlet valve 4 is closed; then, the compressed air 15 is introduced into the vessel 10 from the compressed air inlet 1; the lower outlet 5 of the vessel 10 is opened, The solid-liquid mixture 25 is sent to the solid-liquid separation device 20 for solid-liquid separation using the compressed air 15 as a power.
  • the outlet 5 of the compressed air power unit 100 is coupled to the frame filter press 20, the valve 4 of the inlet 2 of the solid-liquid mixture 25 is opened, the solid-liquid mixture 25 is introduced into the container 10, and the valve 6 is closed. .
  • the valve 2 of the inlet 1 of the compressed air 15 is opened, and the compressed air 15 is introduced into the container 10.
  • the valve 6 of the outlet 5 is opened, and the solid-liquid mixture 25 is forced by the compressed air 15 to enter the plate through the outlet 5 of the container 10.
  • the frame filter press 20 the effect of solid-liquid separation is achieved.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compressor (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Disclosed is a solid-liquid separation apparatus, comprising a solid-liquid separation device and a compressed air power device; the compressed air power device includes a sealed pressure-proof container; a solid-liquid mixture inlet and a compressed air inlet are provided above the container, and a solid-liquid mixture outlet is provided under the container; a control valve for the solid-liquid mixture inlet, a control valve for the compressed air inlet and a control valve for the solid-liquid mixture outlet are respectively provided at the solid-liquid mixture inlet, the compressed air inlet and the solid-liquid mixture outlet; and the solid-liquid mixture outlet under the container is in communication with the solid-liquid separation device. The solid-liquid separation device can realise more widespread use of solid-liquid separation, and the costs of usage, maintenance and upkeep are extremely low.

Description

一种固液分离设备与方法  Solid-liquid separation device and method 技术领域  Technical field
本发明涉及一种固液分离动力设备，特别是一种利用压缩空气作为动力的固液分离设备与方法。  The invention relates to a solid-liquid separation power device, in particular to a solid-liquid separation device and method using compressed air as power.
背景技术 Background technique
固液分离在工业上应用非常普遍，压滤机就是常见的一种固液分离设备。其工作原理为利用工业泵为动力源，将待分离固液混合物输送至板框压滤机中，利用板框压滤机的过滤作用达到固液分离的目的。 Solid-liquid separation is very common in industrial applications, and a filter press is a common solid-liquid separation device. The working principle is that the industrial pump is used as the power source, and the solid-liquid mixture to be separated is sent to the plate and frame filter press, and the filtration effect of the plate and frame filter press is used to achieve the purpose of solid-liquid separation.
然而，工业泵由于受扬程的限制，其能提供的压力是有限的。例如，50m扬程的工业泵，其能提供的固液分离压力为0.5兆帕左右，而中等压力的压缩空气，其能提供的固液分离压力为1.6-2.5兆帕。However, industrial pumps are limited in their ability to provide pressure due to the limitations of the lift. For example, a 50m head industrial pump can provide a solid-liquid separation pressure of about 0.5 MPa, while a medium pressure compressed air can provide a solid-liquid separation pressure of 1.6-2.5 MPa.
因此，传统的工业泵不能够适应难以分离的固液分离操作。为此，迫切需要一种能够实现更广泛用途的固液分离设备。Therefore, conventional industrial pumps are not able to accommodate solid-liquid separation operations that are difficult to separate. For this reason, there is an urgent need for a solid-liquid separation device capable of achieving a wider range of uses.
发明内容 Summary of the invention
本发明的目的是提供一种固液分离设备，其利用压缩空气作为固液混合物进行固液分离的动力，能够实现更广泛用途的固液分离操作，而且使用、保养、和维护的费用都非常低。 SUMMARY OF THE INVENTION An object of the present invention is to provide a solid-liquid separation device which utilizes compressed air as a solid-liquid mixture for solid-liquid separation, can realize a solid-liquid separation operation for a wider range of uses, and is expensive to use, maintain, and maintain. low.
本发明的另外目的是提供一种固液分离方法，其利用压缩空气作为固液混合物进行固液分离的动力，能够实现更广泛用途的固液分离操作，而且使用、保养、和维护的费用都非常低。It is another object of the present invention to provide a solid-liquid separation method which utilizes compressed air as a solid-liquid mixture for solid-liquid separation, enables a wide range of solid-liquid separation operations, and costs of use, maintenance, and maintenance. very low.
为此，根据本发明的一个方面，提供了一种固液分离方法，其特征在于，To this end, according to an aspect of the present invention, a solid-liquid separation method is provided, characterized in that
使固液分离装置和压缩空气动力装置相连通，该压缩空气动力装置包括一密闭耐压容器，该容器的上方设有固液混合物入口和压缩空气入口，该容器的下方有固液混合物出口；固液混合物入口、压缩空气入口、固液混合物出口分别设有固液混合物入口控制阀门、压缩空气入口控制阀门、固液混合物出口控制阀门；该容器的下方的固液混合物出口与固液分离装置连通，Connecting the solid-liquid separation device and the compressed air power device, the compressed air power device comprising a sealed pressure vessel, the container is provided with a solid-liquid mixture inlet and a compressed air inlet, and a solid-liquid mixture outlet is arranged below the container; The solid-liquid mixture inlet, the compressed air inlet, and the solid-liquid mixture outlet are respectively provided with a solid-liquid mixture inlet control valve, a compressed air inlet control valve, a solid-liquid mixture outlet control valve; a solid-liquid mixture outlet and a solid-liquid separation device below the container Connected,
待分离的固液混合物通过固液混合物入口被导入容器内后，关闭固液混合物入口阀门；After the solid-liquid mixture to be separated is introduced into the container through the inlet of the solid-liquid mixture, the inlet valve of the solid-liquid mixture is closed;
然后，打开压缩空气入口的阀门，向容器内通入压缩空气；Then, the valve of the compressed air inlet is opened, and compressed air is introduced into the container;
然后，打开容器的下方固液混合物出口，利用容器内的压缩空气作动力将固液混合物输送至固液分离装置进行固液分离。Then, the lower solid-liquid mixture outlet of the container is opened, and the solid-liquid mixture is sent to the solid-liquid separation device for solid-liquid separation by using the compressed air in the container as a power.
优选地，所述固液分离装置是压力过滤器。Preferably, the solid-liquid separation device is a pressure filter.
优选地，所述固液分离装置是压滤机。Preferably, the solid-liquid separation device is a filter press.
优选地，所述固液分离装置是板框压滤机。Preferably, the solid-liquid separation device is a plate and frame filter press.
优选地，所述压缩空气动力装置上安装有压力表。Preferably, a pressure gauge is mounted on the compressed air power unit.
根据本发明的另外一个方面，提供了一种固液分离设备，其特征在于，该固液分离设备包括固液分离装置和压缩空气动力装置，该压缩空气动力装置包括一密闭耐压容器，该容器的上方设有固液混合物入口和压缩空气入口，该容器的下方有固液混合物出口；固液混合物入口、压缩空气入口、固液混合物出口分别设有固液混合物入口控制阀门、压缩空气入口控制阀门、固液混合物出口控制阀门；该容器的下方的固液混合物出口与固液分离装置连通。According to another aspect of the present invention, a solid-liquid separation device is provided, characterized in that the solid-liquid separation device comprises a solid-liquid separation device and a compressed air power device, the compressed air power device comprising a sealed pressure vessel, Above the container, there is a solid-liquid mixture inlet and a compressed air inlet, and a solid-liquid mixture outlet is arranged below the container; a solid-liquid mixture inlet, a compressed air inlet, and a solid-liquid mixture outlet are respectively provided with a solid-liquid mixture inlet control valve and a compressed air inlet. The valve, the solid-liquid mixture outlet control valve is controlled; the solid-liquid mixture outlet below the container is in communication with the solid-liquid separation device.
优选地，所述固液分离装置是压力过滤器。Preferably, the solid-liquid separation device is a pressure filter.
优选地，所述固液分离装置是压滤机。Preferably, the solid-liquid separation device is a filter press.
优选地，所述固液分离装置是板框压滤机。Preferably, the solid-liquid separation device is a plate and frame filter press.
优选地，所述压缩空气动力装置上安装有压力表。Preferably, a pressure gauge is mounted on the compressed air power unit.
根据本发明的利用压缩空气作为动力的固液分离设备，包括固液分离装置和压缩空气动力装置，该压缩空气动力装置为一密闭耐压容器，该容器的上方有固液混合物入口和压缩空气入口，下方有固液混合物出口，各开口均装有控制阀门。出口连接有压力过滤器（如压滤机）。待分离的固液混合物导入容器内后，关闭入口阀门，通入压缩空气，打开容器下方出口，利用压缩空气作动力将固液混合物输送至固液分离装置进行固液分离。A solid-liquid separation device using compressed air as a power according to the present invention includes a solid-liquid separation device and a compressed air power device, the compressed aerodynamic device being a hermetic pressure vessel having a solid-liquid mixture inlet and compressed air above the container At the inlet, there is a solid-liquid mixture outlet below, and each opening is equipped with a control valve. A pressure filter (such as a filter press) is connected to the outlet. After the solid-liquid mixture to be separated is introduced into the container, the inlet valve is closed, compressed air is introduced, the outlet below the container is opened, and the solid-liquid mixture is sent to the solid-liquid separation device for solid-liquid separation by using compressed air as a power.
根据本发明，采用压缩空气动力装置取代工业泵，设备的保养和维护费用非常低。According to the present invention, a compressed air power unit is used in place of an industrial pump, and the maintenance and maintenance cost of the equipment is very low.
压缩空气能提供更强大的固液分离动力，对于难分离的固液混合物具有更明显的效果，对于易分离的固液混合物，则分离的速度更快。Compressed air provides more powerful solid-liquid separation power, with a more pronounced effect on difficult-to-separate solid-liquid mixtures, and faster separations for easily separated solid-liquid mixtures.
压缩空气的工业成本低廉，运行成本低。压缩空气注满密闭容器后，即使关闭压缩空气入口阀门，依然能持续提供固液分离所需的动力。The industrial cost of compressed air is low and the operating cost is low. After the compressed air is filled into the closed container, the power required for solid-liquid separation can be continuously supplied even if the compressed air inlet valve is closed.
对于固液分离装置较多的作业场所，其优势更为明显。For the workplace where there are many solid-liquid separation devices, the advantages are more obvious.
压缩空气动力装置还可以根据作业需要，制作成适合条件的各种形状。压缩空气动力装置还可以安装压力表等附件，以便控制作业压力。The compressed air power unit can also be made into various shapes suitable for the conditions according to the needs of the work. Compressed aerodynamics can also be fitted with accessories such as pressure gauges to control operating pressure.
附图说明  DRAWINGS
图1为根据本发明的固液分离设备的结构示意图。  BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a solid-liquid separation apparatus according to the present invention.
具体实施方式  detailed description
如图1所示，利用压缩空气作为动力的固液分离设备包括固液分离装置20和压缩空气动力装置100，该压缩空气动力装置100包括一密闭耐压容器10，该容器 10的上方设有固液混合物入口3和压缩空气入口1，该容器10的下方有固液混合物出口5，各开口1、3、5分别设有控制阀门2、4、6。该容器10的出口5连接固液分离装置20，固液分离装置20例如可以是压力过滤器、压滤机等。在容器10内，分界线30下部是待分离的固液混合物25，而分界线30上部是压缩空气15。 As shown in FIG. 1, a solid-liquid separation device using compressed air as a power includes a solid-liquid separation device 20 and a compressed air power device 100, and the compressed air power device 100 includes a hermetic pressure-resistant container 10, the container Above the 10 is provided a solid-liquid mixture inlet 3 and a compressed air inlet 1, below which there is a solid-liquid mixture outlet 5, and each of the openings 1, 3, 5 is provided with control valves 2, 4, 6, respectively. The outlet 5 of the container 10 is connected to a solid-liquid separation device 20, which may be, for example, a pressure filter, a filter press or the like. In the container 10, the lower portion of the boundary line 30 is the solid-liquid mixture 25 to be separated, and the upper portion of the boundary line 30 is the compressed air 15.
待分离的固液混合物25通过固液混合物入口3被导入容器10内后，关闭入口阀门4；然后，从压缩空气入口1向容器10内通入压缩空气15；打开容器10的下方出口5，利用压缩空气15作动力将固液混合物25输送至固液分离装置20进行固液分离。After the solid-liquid mixture 25 to be separated is introduced into the vessel 10 through the solid-liquid mixture inlet 3, the inlet valve 4 is closed; then, the compressed air 15 is introduced into the vessel 10 from the compressed air inlet 1; the lower outlet 5 of the vessel 10 is opened, The solid-liquid mixture 25 is sent to the solid-liquid separation device 20 for solid-liquid separation using the compressed air 15 as a power.
在另外一个实施例中，压缩空气动力装置100的出口5与板框压滤机20相连接，打开固液混合物25的入口2的阀门4，将固液混合物25导入容器10当中，关闭阀门6。打开压缩空气15的入口1的阀门2，往容器10内通入压缩空气15，此时，打开出口5的阀门6，固液混合物25就以压缩空气15为动力通过容器10的出口5进入板框压滤机20内，达到固液分离的效果。In another embodiment, the outlet 5 of the compressed air power unit 100 is coupled to the frame filter press 20, the valve 4 of the inlet 2 of the solid-liquid mixture 25 is opened, the solid-liquid mixture 25 is introduced into the container 10, and the valve 6 is closed. . The valve 2 of the inlet 1 of the compressed air 15 is opened, and the compressed air 15 is introduced into the container 10. At this time, the valve 6 of the outlet 5 is opened, and the solid-liquid mixture 25 is forced by the compressed air 15 to enter the plate through the outlet 5 of the container 10. In the frame filter press 20, the effect of solid-liquid separation is achieved.
本领域的技术人员可以根据以上公开的内容，对本发明的技术方案进行这样或那样的修改、完善、或补充，然而，这样做都将落入本发明的保护范围。One skilled in the art can modify, improve, or supplement the technical solution of the present invention according to the above disclosure, however, all of them will fall within the protection scope of the present invention.

Claims (8)

  1. 一种固液分离方法，其特征在于， A solid-liquid separation method, characterized in that
    使固液分离装置和压缩空气动力装置相连通，该压缩空气动力装置包括一密闭耐压容器，该容器的上方设有固液混合物入口和压缩空气入口，该容器的下方有固液混合物出口；固液混合物入口、压缩空气入口、固液混合物出口分别设有固液混合物入口控制阀门、压缩空气入口控制阀门、固液混合物出口控制阀门；该容器的下方的固液混合物出口与固液分离装置连通，Connecting the solid-liquid separation device and the compressed air power device, the compressed air power device comprising a sealed pressure vessel, the container is provided with a solid-liquid mixture inlet and a compressed air inlet, and a solid-liquid mixture outlet is arranged below the container; The solid-liquid mixture inlet, the compressed air inlet, and the solid-liquid mixture outlet are respectively provided with a solid-liquid mixture inlet control valve, a compressed air inlet control valve, a solid-liquid mixture outlet control valve; a solid-liquid mixture outlet and a solid-liquid separation device below the container Connected,
    待分离的固液混合物通过固液混合物入口被导入容器内后，关闭固液混合物入口阀门；After the solid-liquid mixture to be separated is introduced into the container through the inlet of the solid-liquid mixture, the inlet valve of the solid-liquid mixture is closed;
    然后，打开压缩空气入口的阀门，向容器内通入压缩空气；Then, the valve of the compressed air inlet is opened, and compressed air is introduced into the container;
    然后，打开容器的下方固液混合物出口，利用容器内的压缩空气作动力将固液混合物输送至固液分离装置进行固液分离。Then, the lower solid-liquid mixture outlet of the container is opened, and the solid-liquid mixture is sent to the solid-liquid separation device for solid-liquid separation by using the compressed air in the container as a power.
  2. 根据要求1所述的固液分离方法，其特征在于，所述固液分离装置是压力过滤器。The solid-liquid separation method according to claim 1, wherein the solid-liquid separation device is a pressure filter.
  3. 根据要求1所述的固液分离方法，其特征在于，所述固液分离装置是压滤机。The solid-liquid separation method according to claim 1, wherein the solid-liquid separation device is a filter press.
  4. 根据要求1所述的固液分离方法，其特征在于，所述固液分离装置是板框压滤机。The solid-liquid separation method according to claim 1, wherein the solid-liquid separation device is a plate and frame filter press.
  5. 根据要求1所述的固液分离方法，其特征在于，所述压缩空气动力装置上安装有压力表。The solid-liquid separation method according to claim 1, wherein a pressure gauge is mounted on the compressed air power unit.
  6. 一种固液分离设备，其特征在于，该固液分离设备包括固液分离装置和压缩空气动力装置，该压缩空气动力装置包括一密闭耐压容器，该容器的上方设有固液混合物入口和压缩空气入口，该容器的下方有固液混合物出口；固液混合物入口、压缩空气入口、固液混合物出口分别设有固液混合物入口控制阀门、压缩空气入口控制阀门、固液混合物出口控制阀门；该容器的下方的固液混合物出口与固液分离装置连通。A solid-liquid separation device, comprising: a solid-liquid separation device and a compressed air power device, the compressed air power device comprising a sealed pressure-resistant container, the container is provided with a solid-liquid mixture inlet and a compressed air inlet having a solid-liquid mixture outlet below the container; a solid-liquid mixture inlet, a compressed air inlet, and a solid-liquid mixture outlet respectively provided with a solid-liquid mixture inlet control valve, a compressed air inlet control valve, and a solid-liquid mixture outlet control valve; The solid-liquid mixture outlet below the vessel is in communication with the solid-liquid separation device.
  7. 根据要求6所述的固液分离设备，其特征在于，所述固液分离装置是压力过滤器、压滤机、或板框压滤机。A solid-liquid separation apparatus according to claim 6, wherein the solid-liquid separation device is a pressure filter, a filter press, or a plate and frame filter press.
  8. 根据要求6所述的固液分离设备，其特征在于，所述压缩空气动力装置上安装有压力表。A solid-liquid separation apparatus according to claim 6, wherein a pressure gauge is mounted on said compressed air power unit.
PCT/CN2012/078171 2011-07-12 2012-07-04 Solid-liquid separation apparatus and method WO2013007156A1 (en)

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