CN106089695A - 采用压力传感器和中央处理设备的浸没式抽水装置 - Google Patents

采用压力传感器和中央处理设备的浸没式抽水装置 Download PDF

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CN106089695A
CN106089695A CN201610578098.8A CN201610578098A CN106089695A CN 106089695 A CN106089695 A CN 106089695A CN 201610578098 A CN201610578098 A CN 201610578098A CN 106089695 A CN106089695 A CN 106089695A
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water
pressure
pump
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screw shaft
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JIANG PANJUN
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/12—Combinations of two or more pumps the pumps being of different types at least one pump being of the rotary-piston positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/14—Combinations of two or more pumps the pumps being of different types at least one pump being of the non-positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/28—Safety arrangements; Monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/81—Sensor, e.g. electronic sensor for control or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F04C2250/101—Geometry of the inlet or outlet of the inlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F04C2250/102—Geometry of the inlet or outlet of the outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/18—Pressure

Abstract

本发明涉及一种采用压力传感器和中央处理设备的浸没式抽水装置，包括壳体、螺杆，螺杆轴通过传动机构联接第一电机，出水道的入水段具有鼓形腔室，鼓形腔室内安装有受第二电机驱动的叶轮；与鼓形腔室相连的出水道内插入有吹气管，吹气管的吹气方向朝向鼓形腔室的入水口；螺杆轴后端的壳体上设置有调压腔，调压腔通过管路相连有液压油泵，螺杆腔体的下端和上端分别设有用于监测水压的压力传感器。一方面，在螺杆泵的出水口设置有叶轮式水泵和吹气管，通过水泵和气泵的工作，降低了螺杆泵出水口处的压力；另一方面，通过液压油泵向调压腔输入正向压力，将轴承向上推。两方面结合，降低螺杆轴所受对的反作用力，从而降低轴承的载荷，降低轴承的磨损，延长潜水泵的使用寿命。

Description

采用压力传感器和中央处理设备的浸没式抽水装置
技术领域
本发明涉及一种抽水装置，特别是一种浸没式抽水装置。
背景技术
潜水泵是是深井提水的重要装置，被广泛的使用于工农业。
一般来讲，根据排水原理可将水泵分为：一、叶轮式泵，如：离心泵、混流泵、轴流泵等、旋流泵；二、容积泵，如：柱塞泵、齿轮泵、螺杆泵、叶片泵等；三、其他类型，如：射流泵、水锤泵等。
螺杆泵属于容积泵，扬程高单流量少，特别适合与疏松粘稠液体。当螺杆高速旋转时，后端轴承受到较大压力，加速磨损，同时也限制了螺杆泵的转速。轴承所受压力主要来自于螺杆的反作用力，而对于一台螺杆潜水泵而言，该反作用力主要由转速和出口端压力决定。当需要高转速时，理想的解决办法是降低出口端的压力来实现。然而，面对大扬程的需求，降低出口端压力成为了难题。
发明内容
本发明的目的在于：克服上述现有技术的缺陷，提出一种浸没式抽水装置。
为了达到上述目的，本发明提出的浸没式抽水装置，包括具有螺杆腔体的壳体，设置于螺杆腔体内的一组螺杆，所述螺杆下端连接有进水道，上端连接有出水道，螺杆轴前后两端由轴承支撑，螺杆轴通过传动机构联接第一电机，其特征在于：所述出水道的入水段具有鼓形腔室，鼓形腔室内安装有受第二电机驱动的叶轮，鼓形腔室的入水口呈水平放置，鼓形腔室出水口呈竖直放置，与鼓形腔室相连的出水道具有螺旋形结构；与鼓形腔室相连的出水道内插入有吹气管，所述吹气管的吹气方向朝向鼓形腔室的入水口，吹气管上端连接气泵；所述螺杆轴后端的壳体上设置有调压腔，所述螺杆轴后端插入该调压腔内，调压腔与螺杆轴的间隙处嵌入有密封填料，调压腔通过管路相连有液压油泵，所述螺杆腔体的下端和上端分别设有用于监测水压的压力传感器。
本发明浸没式抽水装置，进一步的改进在于：
1、所述出水道的入水段呈喇叭形，进水侧口小，出水侧口大。
2、所述叶轮为具有7个叶片。
3、与所述鼓形腔室出水口相连的出水道与水平面的夹角为70-90°。
4、所述进水道的内壁具有螺旋形结构。
5、所述吹气管的出气口位于出水道中心位置。
6、所述管路上设置有缓冲腔室，所述缓冲腔室的体积不低于调压腔总体积的10倍。
7、所述缓冲腔室靠近环形槽一端设置。
8、所述压力传感器的信号输出端连接中央处理设备。
一方面，本发明在螺杆泵的出水口设置有叶轮式水泵和吹气管，通过叶轮式水泵和气泵的工作，一定程度上降低了螺杆泵出水口处的压力；另一方面，本发明可通过采集螺杆腔体的下端处和上端处的水压，来获取应当向调压腔输入的压力，通过调整该输入压力，将螺杆轴向上推，来对抗螺杆所受到的强大的后坐力。两方面结合，降低螺杆轴所受对的反作用力，从而降低轴承的载荷，降低轴承的磨损，延长潜水泵的使用寿命，以及为进一步提高螺杆泵转速提供了保障。
从吹气管吹入的气流在螺旋形的水流的中央位置，夹杂着水向前冲，从而为水流提供了更强劲的冲力，更进一步降低螺杆泵出水端的压力。
本发明在螺杆泵的进水到和出水道都进行螺旋形处理，使进入水流更规整，降低阻力，提高抽水效率。出水口设计成喇叭口形状，能够进一步降低出水端的压力。靠近环形槽一端设置缓冲腔室能够降低环形槽输出水流的高速抖动，确保调压腔内具备较稳定的压强，杜绝轴承抖动的发生。
附图说明
下面结合附图对本发明作进一步的说明。
图1是本发明浸没式抽水装置结构示意图。
图中标号示意如下：
1-螺杆潜水泵，2-壳体，3-螺杆，4-进水道，5-出水道，6-螺杆轴，7-轴承，8-传动机构，9-第一电机，11-鼓形腔室，12-叶轮，13-吹气管，14-气泵，15-调压腔，16-管路，19-液压油泵。
具体实施方式
下面结合附图和具体实施例对本发明做进一步说明。
如图1所示，为本发明浸没式抽水装置，包括具有螺杆腔体1的壳体2，设置于螺杆腔体内1的一组螺杆3，螺杆3下端连接有进水道4，上端连接有出水道5，进水道4的内壁具有螺旋形结构，螺杆轴6前后两端由轴承7支撑，螺杆轴6通过传动机构8联接第一电机9，出水道5的入水段具有鼓形腔室11，与鼓形腔室11相连的出水道5也具有螺旋形结构，鼓形腔室11内安装有叶轮12，叶轮12为具有7个叶片。鼓形腔室11的入水口呈水平放置，鼓形腔室11出水口呈竖直放置。与鼓形腔室11相连的出水道5内插入有吹气管13，吹气管13的出气口位于出水道5的中心位置，吹气管13的吹气方向朝向鼓形腔室11的进水口，吹气管13上端连接气泵14。螺杆轴6后端的壳体上设置有调压腔15，螺杆轴6后端插入该调压腔内15，调压腔15与螺杆轴6的间隙处嵌入有密封填料，调压腔15通过管路16与液压油泵19相连，螺杆腔体1的下端和上端分别设有用于监测水压的压力传感器（图中未画出），压力传感器的信号输出端连接中央处理设备。
如图1所示，出水道5的入水段呈喇叭形，进水侧口小，出水侧口大。
除上述实施例外，本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围。

Claims (2)

1.一种浸没式抽水装置，包括具有螺杆腔体的壳体，设置于螺杆腔体内的一组螺杆，所述螺杆下端连接有进水道，上端连接有出水道，螺杆轴前后两端由轴承支撑，螺杆轴通过传动机构联接第一电机，其特征在于：所述出水道的入水段具有鼓形腔室，鼓形腔室内安装有受第二电机驱动的叶轮，鼓形腔室的入水口呈水平放置，鼓形腔室出水口呈竖直放置，与鼓形腔室相连的出水道具有螺旋形结构；与鼓形腔室相连的出水道内插入有吹气管，所述吹气管的吹气方向朝向鼓形腔室的入水口，吹气管上端连接气泵；所述螺杆轴后端的壳体上设置有调压腔，所述螺杆轴后端插入该调压腔内，调压腔与螺杆轴的间隙处嵌入有密封填料，调压腔通过管路相连有液压油泵，所述螺杆腔体的下端和上端分别设有用于监测水压的压力传感器；
所述出水道的入水段呈喇叭形，进水侧口小，出水侧口大；
所述吹气管的出气口位于出水道中心位置，与所述鼓形腔室出水口相连的出水道与水平面的夹角为70-90°。
2.一种根据权利要求1所述的浸没式抽水装置的工作方法，其特征在于： 通过采集螺杆腔体的下端处和上端处的水压，来获取应当向调压腔输入的压力，通过调整该输入压力，将螺杆轴向上推，来对抗螺杆所受到的强大的后坐力。
CN201610578098.8A 2014-07-29 2014-07-29 采用压力传感器和中央处理设备的浸没式抽水装置 Pending CN106089695A (zh)

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