Alexei 28.01.2015 Pumping stations
Happy owners of country houses and cottages very often face the problem of water supply to their homes.
It is possible to bring and store water in large containers only at the construction stage, and subsequently the problem of water supply is solved in other ways. One of them is the arrangement of a separate well at the site.
A special device is installed in it for uninterrupted water supply. This unit can supply water not only to the house, but also to the garden. Connecting and installing a submersible pump is not at all complicated and can be done independently. Let's try to figure out how it's done.
Types of equipment for the water supply system
This type of device differs from others in that it works on pressure, it pushes the liquid to the surface. In this regard, they are subjected to significantly less stress and, as a result, consume much less electricity. And this is an essential factor for any economy today.
The pump, unlike a conventional stationary station, makes much less noise and does not lead to vibration on the surface and in the house. Another advantage should be considered that it is made of parts that are not susceptible to rust and cannot fail under the influence of water. After opening the tap in the house, you will hear only a small click, indicating that the pump installed in the well has been connected.
Watch the video, a little about the types of pumps:
Various types of equipment are currently being produced. They are divided according to various characteristics, including the principle of action on:
- dynamic;
- Volumetric.
Depending on which method of filing is used, they are divided into:
- Submersible;
- Surface.
The most popular among owners of suburban housing are submersible pump models, which in turn can be divided into several categories: fountain, circulation and drainage.
The main part of the devices belongs to the dynamic ones. In this equipment, the pumping of liquid occurs as a result of exposure to some of its components. Among them are the following models:
- Bladed;
- Inkjet;
- Air.
The first type of devices is divided into several more groups: axial, diagonal and centrifugal.
Varieties of centrifugal units
This category of devices is most widely used in private homes. They have sufficient power for this, and their operation is quite easy. The connection diagram for such a pump is available to everyone and is not particularly difficult.
The use of devices is quite wide. In addition to supplying water, they are designed to remove sewage or other liquids. In private courtyards, they equip the sewerage system with their help.
Pump device
The device of a submersible centrifugal pump may be different. Two types are used:
- Rod;
- Rodless.
In the first case, the device is equipped with a drive, which is located above the water. This model can be used in wells with shallow depths.
The second option is made as a complete device. Power is supplied by using an electrical cable in reliable insulation, immersed in water along with the unit.
Currently, you can choose any device for a water submersible centrifugal pump that is suitable for certain operating conditions. Manufacturers produce various models that differ from each other both in size and in working volume. This makes it possible to purchase the necessary device without spending extra money for, for example, a very powerful one, but not quite suitable for certain conditions.
Connecting equipment
In order to do this correctly, you must strictly follow some rules and follow these recommendations. Here is how, for example, you need to connect a pressure tank, which will be powered by the device. To perform such an automation connection to any submersible pump, the following devices will be required:
The scheme of the submersible pump is carried out in this way: first of all, we connect a pre-prepared valve and nipple to the device. This is done with a hose, which is usually included in the kit. Next, a thorough sealing of all joints should be carried out. This can be done using a special adhesive tape used in construction. After that, it is necessary to connect the nipple to the check valve.
We watch the video, the stages of installing the pumping group:
The next step is to connect the water supply hose of the pump. The tip of the pipe is fixed with a nipple.
Then, in the overlap of the well, it is necessary to install a hose that goes to the membrane tank installed in the house. Again, all joints must be carefully sealed. This will protect the system being arranged not only from minor leaks, but also from possible serious breakdowns associated with this.
The pump cable is pulled through a special hole in the tip and after that the connection itself is made. The next step is to close the well, which does not allow debris to enter it.
Starting protection device (PZU) for submersible pumps
Automation connection diagram
This element is used during the initial start-up of the device and for the subsequent acceleration of its engine. This moment is the most unfavorable mode for electric motors, the water-taking part of the well and pipes through which water rises.
In order to prevent the negative consequences that occur during the start-up of pumps, this equipment is used. The ROM serves as a current protection for the electric motor, automatically turning it off when an overload occurs. This is done using a thermal relay located in the housing.
In addition to the relay, the device includes:
- Capacitor block;
- Klemnik.
All elements are combined into one electrical circuit.
Hydraulic accumulators and features of their connection
Being one of the important components in the water supply of a private house, they are used to accumulate water under pressure and, if necessary, entering the system. They are made in the form of a metal container, inside it there is a rubber pear, which plays the role of a membrane.
Watch the video, completing the work and the first launch:
Before connecting a water submersible pump to a hydraulic accumulator, it is imperative to check the presence of pressure in the tank. It should be 0.2-1 bar less than the value set on the relay.
In some cases, it is preferable to install the accumulator at the highest possible height, for example, in the attic or on the second floor of a building.
findings
In order to ensure the normal water supply of a country house in the absence of a central water supply, submersible pumps are most often used that are able to function in wells. They are reliable and easy to operate, and their installation scheme is quite simple. Installation is carried out using the most common materials and is within the power of every homeowner.
