CN108119370A - A kind of automatic starting method of mixed-flow pump and centrifugal pump - Google Patents
A kind of automatic starting method of mixed-flow pump and centrifugal pump Download PDFInfo
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- CN108119370A CN108119370A CN201810038268.2A CN201810038268A CN108119370A CN 108119370 A CN108119370 A CN 108119370A CN 201810038268 A CN201810038268 A CN 201810038268A CN 108119370 A CN108119370 A CN 108119370A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000011017 operating method Methods 0.000 claims 1
- 230000037452 priming Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 230000002262 irrigation Effects 0.000 abstract description 4
- 238000003973 irrigation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
一种混流泵和离心泵的自动启动方法，属于农田水利工程技术领域，利用单相旋涡自吸泵、液位检测传感器和自动切换开关实现混流泵和离心泵的自动启动，利用单相旋涡自吸泵向混流泵和离心泵泵体内注水，当注水深度能淹没混流泵和离心泵叶轮时，利用液位检测传感器检测信号，传输至自动切换开关，停止单相旋涡自吸泵，启动混流泵和离心泵进行抽水，从而实现完全自动启动的目的，该方法成本低、效果好，可广泛应用于农田水利混流泵和离心泵灌溉泵站上，尤其对一体化智能泵站具有良好的使用效果。
An automatic start-up method for a mixed-flow pump and a centrifugal pump, belonging to the field of farmland water conservancy engineering technology, using a single-phase vortex self-priming pump, a liquid level detection sensor and an automatic switch The suction pump injects water into the pump body of the mixed flow pump and the centrifugal pump. When the water injection depth can submerge the impeller of the mixed flow pump and the centrifugal pump, the signal detected by the liquid level detection sensor is transmitted to the automatic switch to stop the single-phase vortex self-priming pump and start the mixed flow pump. Pumping water with the centrifugal pump, so as to achieve the purpose of fully automatic start. This method is low in cost and good in effect. It can be widely used in farmland water conservancy mixed flow pumps and centrifugal pump irrigation pump stations, especially for integrated intelligent pump stations. .
Description
技术领域technical field
本发明属于农田水利工程技术领域，涉及一种泵的自动启动方法，具体地说涉及一种混流泵和离心泵的自动启动方法。The invention belongs to the technical field of farmland water conservancy engineering, and relates to an automatic starting method of a pump, in particular to an automatic starting method of a mixed-flow pump and a centrifugal pump.
背景技术Background technique
改革开放以来，中国农业发展取得了举世瞩目的成就，以不到世界10%的耕地，基本解决了世界22%人口的吃饭问题，其中农田水利工程设施发挥了相当作用。在未来的5年到10年中，国家将加大公共财政对水利的投入，大兴农田水利建设。近几年，各地农田水利的投入显著加强，农田水利工程面广量大，灌溉与排涝泵站数量众多，其中小型卧式离心泵与混流泵应用较多，但过去这种泵型启动前要么人工注水才能启动，费时费力；采用抽真空泵的方法启动，往往只能手动操作，很难实现自动控制，有时由于水泵安装不密封，造成无法抽水；如果要实现自动启动，必须分别在真空泵和混流泵、离心泵出水增加两个电磁阀，增加了整个泵站的成本。Since the reform and opening up, China's agricultural development has achieved world-renowned achievements. With less than 10% of the world's arable land, it has basically solved the problem of feeding 22% of the world's population. Among them, farmland water conservancy facilities have played a considerable role. In the next 5 to 10 years, the state will increase public finance investment in water conservancy and promote the construction of farmland water conservancy. In recent years, the investment in farmland water conservancy has been significantly increased in various places. The area of farmland water conservancy projects is extensive and large, and the number of irrigation and drainage pumping stations is large. Among them, small horizontal centrifugal pumps and mixed flow pumps are widely used. However, in the past, this type of pump was either Manual water injection can only start, which is time-consuming and laborious; the method of vacuum pumping is often only manually operated, and it is difficult to realize automatic control. Sometimes the water pump cannot be pumped because the installation is not sealed; Two solenoid valves are added to the water output of the pump and the centrifugal pump, which increases the cost of the entire pumping station.
发明内容Contents of the invention
本发明针对现有离心泵和混流泵在启动前需要人工注水才能启动，费时费力；采用抽真空泵的方法启动，只能手动操作，很难实现自动控制，由于水泵安装不密封，造成无法抽水等缺陷；而实现自动启动，则必须在真空泵和混流泵、离心泵出水处增加两个电磁阀，这无疑增加了整个泵站成本等不足，提出一种混流泵和离心泵的自动启动方法，利用单相旋涡自吸泵向混流泵、离心泵注水，当注水深度能淹没混流泵、离心泵叶轮时，利用在混流泵、离心泵相应位置安装的液位检测传感器将检测信号传输至自动切换开关，从而停止单相旋涡自吸泵，启动混流泵、离心泵主启动开关，达到安装简单、自动启停、成本低廉的目的。The present invention aims at the existing centrifugal pumps and mixed-flow pumps that require manual water injection before starting, which is time-consuming and labor-intensive; the vacuum pump method is used to start, which can only be operated manually, and it is difficult to realize automatic control. Since the installation of the water pump is not sealed, water cannot be pumped, etc. Defects; To realize automatic start, two solenoid valves must be added at the water outlet of the vacuum pump, mixed flow pump and centrifugal pump, which undoubtedly increases the cost of the entire pumping station. The single-phase vortex self-priming pump injects water into the mixed flow pump and centrifugal pump. When the water injection depth can submerge the impeller of the mixed flow pump and centrifugal pump, the liquid level detection sensor installed at the corresponding position of the mixed flow pump and centrifugal pump transmits the detection signal to the automatic switch. , so as to stop the single-phase vortex self-priming pump, start the main start switch of the mixed flow pump and the centrifugal pump, and achieve the purpose of simple installation, automatic start and stop, and low cost.
本发明的技术方案是：一种混流泵和离心泵的自动启动方法，其特征在于，包括如下操作步骤：The technical solution of the present invention is: a method for automatically starting a mixed-flow pump and a centrifugal pump, which is characterized in that it includes the following steps:
(1)在原混流泵和离心泵的基础上，将原抽真空泵换成单相旋涡自吸泵；(1) On the basis of the original mixed flow pump and centrifugal pump, replace the original vacuum pump with a single-phase vortex self-priming pump;
(2)在混流泵和离心泵原注水孔或抽真空孔处安装液位检测传感器，并将检测信号传输到水泵控制箱；(2) Install a liquid level detection sensor at the original water injection hole or vacuum hole of the mixed flow pump and centrifugal pump, and transmit the detection signal to the water pump control box;
(3)按下现场启动按钮或远程启动开关启动泵站控制器；(3) Press the on-site start button or the remote start switch to start the pumping station controller;
(4)启动单相旋涡自吸泵向混流泵和离心泵的泵体内注水；(4) Start the single-phase vortex self-priming pump to inject water into the pump body of the mixed-flow pump and the centrifugal pump;
(5)当混流泵和离心泵注水深度淹没叶轮时，利用液位检测传感器将信号传到控制箱的切换开关，停止单相旋涡自吸泵；(5) When the water injection depth of the mixed-flow pump and the centrifugal pump submerges the impeller, use the liquid level detection sensor to transmit the signal to the switch of the control box to stop the single-phase vortex self-priming pump;
(6)启动混流泵和离心泵的开关进行抽水。(6) Start the switch of the mixed-flow pump and the centrifugal pump to pump water.
本发明的有益效果为：本发明提出的一种混流泵和离心泵的自动启动方法，启动方法原理清晰，通过在常规水泵电机配置之外，增加一副泵(自吸泵)给主泵进水管与泵室(混流泵室、离心泵室)注水，并在主泵配置液位检测传感器，实现注水副泵的自动启停，当副泵注水至主泵泵室轴线后，副泵自动停止，开启主泵，该方法成本低、效果好，可广泛应用于农田水利混流泵和离心泵灌溉泵站上，尤其对一体化智能泵站具有良好的使用效果。The beneficial effects of the present invention are: the automatic start-up method of a mixed-flow pump and centrifugal pump proposed by the present invention has a clear principle of start-up method, by adding an auxiliary pump (self-priming pump) to the main pump in addition to the configuration of the conventional water pump motor. The water pipe and the pump room (mixed flow pump room, centrifugal pump room) are filled with water, and the main pump is equipped with a liquid level detection sensor to realize the automatic start and stop of the water injection auxiliary pump. When the auxiliary pump fills water to the axis of the main pump pump room, the auxiliary pump stops automatically. , to turn on the main pump, this method is low in cost and good in effect, and can be widely used in farmland water conservancy mixed flow pumps and centrifugal pump irrigation pumping stations, especially for integrated intelligent pumping stations.
附图说明Description of drawings
图1是本发明混流泵和离心泵自动启动流程示意图。Fig. 1 is a schematic diagram of the automatic start-up process of the mixed-flow pump and the centrifugal pump of the present invention.
具体实施方式Detailed ways
下面对本发明作进一步说明：The present invention will be further described below:
如图1所示，一种混流泵和离心泵的自动启动方法，包括如下操作步骤：As shown in Figure 1, a method for automatically starting a mixed-flow pump and a centrifugal pump includes the following steps:
(1)在原混流泵和离心泵的基础上，将原抽真空泵换成单相旋涡自吸泵；(1) On the basis of the original mixed flow pump and centrifugal pump, replace the original vacuum pump with a single-phase vortex self-priming pump;
(2)在混流泵和离心泵原注水孔或抽真空孔处安装液位检测传感器，并将检测信号传输到水泵控制箱；(2) Install a liquid level detection sensor at the original water injection hole or vacuum hole of the mixed flow pump and centrifugal pump, and transmit the detection signal to the water pump control box;
(3)按下现场启动按钮或远程启动开关启动泵站控制器；(3) Press the on-site start button or the remote start switch to start the pumping station controller;
(4)启动单相旋涡自吸泵向混流泵和离心泵的泵体内注水；(4) Start the single-phase vortex self-priming pump to inject water into the pump body of the mixed-flow pump and the centrifugal pump;
(5)当混流泵和离心泵注水深度淹没叶轮时，利用液位检测传感器将信号传到控制箱的切换开关，停止单相旋涡自吸泵；(5) When the water injection depth of the mixed-flow pump and the centrifugal pump submerges the impeller, use the liquid level detection sensor to transmit the signal to the switch of the control box to stop the single-phase vortex self-priming pump;
(6)启动混流泵和离心泵的开关进行抽水。(6) Start the switch of the mixed-flow pump and the centrifugal pump to pump water.
本发明启动方法原理清晰，本发明在常规水泵电机配置之外，增加一副泵(自吸泵)给主泵进水管与泵室(混流泵室、离心泵室)注水，并在主泵配置液位检测传感器，实现注水副泵的自动启停，当副泵注水至主泵泵室轴线后，副泵自动停止，开启主泵，该方法成本低、效果好，可广泛应用于农田水利混流泵和离心泵灌溉泵站上，尤其对一体化智能泵站具有良好的使用效果。The principle of the starting method of the present invention is clear. In addition to the configuration of the conventional water pump motor, the present invention adds a secondary pump (self-priming pump) to inject water into the water inlet pipe of the main pump and the pump chamber (mixed flow pump chamber, centrifugal pump chamber). The liquid level detection sensor realizes the automatic start and stop of the water injection sub-pump. When the sub-pump injects water to the axis of the main pump chamber, the sub-pump automatically stops and starts the main pump. This method is low in cost and effective, and can be widely used in mixed flow of farmland water conservancy Pumps and centrifugal pump irrigation pumping stations, especially for integrated intelligent pumping stations have a good effect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810038268.2A CN108119370A (en) | 2018-01-13 | 2018-01-13 | A kind of automatic starting method of mixed-flow pump and centrifugal pump |
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| CN201810038268.2A CN108119370A (en) | 2018-01-13 | 2018-01-13 | A kind of automatic starting method of mixed-flow pump and centrifugal pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322841A (en) * | 2018-12-13 | 2019-02-12 | 江苏润州建设有限公司 | A mixed-flow pump station with one-button start |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566167A (en) * | 2009-05-19 | 2009-10-28 | 南通惠康国际企业有限公司 | Liquid drawing device for liquid inlet of centrifugal pump and liquid drawing method thereof |
| CN101761486A (en) * | 2009-11-25 | 2010-06-30 | 郴州市金贵银业股份有限公司 | Automatic water diversion device |
| CN204783703U (en) * | 2015-05-21 | 2015-11-18 | 营口氟塑合金泵厂 | Self priming pump fast sails upstream |
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2018
- 2018-01-13 CN CN201810038268.2A patent/CN108119370A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566167A (en) * | 2009-05-19 | 2009-10-28 | 南通惠康国际企业有限公司 | Liquid drawing device for liquid inlet of centrifugal pump and liquid drawing method thereof |
| CN101761486A (en) * | 2009-11-25 | 2010-06-30 | 郴州市金贵银业股份有限公司 | Automatic water diversion device |
| CN204783703U (en) * | 2015-05-21 | 2015-11-18 | 营口氟塑合金泵厂 | Self priming pump fast sails upstream |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322841A (en) * | 2018-12-13 | 2019-02-12 | 江苏润州建设有限公司 | A mixed-flow pump station with one-button start |
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Application publication date: 20180605 |
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