Pumping wells. Tests vibration pumps: breakdowns and repairs
In a previous article I talked about the process of drilling a well for water. By the way, if anyone in Krasnoyarsk need contacts of these guys who know exactly what they do - write on E-mail, specified in the channel description or in the comments.
Ahead of waiting, perhaps, a long process of pumping wells sand. The idea is simple: turn on the submersible pump vibration and swing as you need to when going clear water without impurities. Someone, it takes only a week. And who - months.
Describe your process of pumping wells and subtleties that I have learned in the course (although the process is not yet completed), as well as this article - some comparing the reliability of two different vibratory pump manufacturers.
On the day of drilling, drillers pump fixed almost at the very bottom. About 5-6 m below the water mirror. But then I read in the manual, these pumps can be lowered into the water only three meters.
Several evenings he regularly pumped out the water with small amounts of sand. On the night I lifted it above the water (which would not be silted up). But at one point he stopped pumping. The sound is - there is no water. Raised to the surface - in something loose. Guarantee on the pump in such operating conditions when pumping the sand with water is not covered. I decided to dismantle.
What would you need a pump raspolovinit Allen key. It on my site was not - found a neighbor. Having examined it became clear that erased the puck, which is between the rubber plunger and a nut, it is fixed. Replaced washer, assembled and lowered into the well again.
Deposited sand in a bucket in the process of pumping wells. Black inclusions - stone or brown coal. Everyone who drilled the well in our vicinity was present. Because of this, in the building later it will be necessary to install a water treatment station by filtration and salts of metal oxides.
But he worked only half a day. It turned out that the increase in water content of the sand. The impression is that the collapsed soil layers and clay with sand silted up well, scoring a pump that almost immediately broke down. Again he raised and dismantled. At this time threw the nut. But well, that does not cut the thread on the axle. Clocked two: the fixing and lock nut.
But after assembling the pump is still not shake, or rather did not create the desired pressure and could not lift water from depths.
Even with buckets it gave a small trickle of water.
I wasted no time and bought the next day the other pump manufacturer from Belarus:
Pressure "trickle" gave more than "Bavlenets". But and this pump worked in difficult conditions too week (in the evening and a full day at weekends) - missing head. During this time, the collapse of the reservoir happened again - the sand was going at times more than even during the first dive. The pump pumped, probably at least 1 m3 of sand.
This time, I did not draw pump 5 meters in depth, and rocked with a dip in the 1-2 meters away from the mirror. Level drops when pumping a little let down below, but the next day the water returns to the previous indicator -. About 23 m from the ground surface at a total well depth 33 m This pleased - much water but yet lot and sand.
Pulled the pump to the surface inspection and analysis revealed here are damaged from the sand:
Sand, accumulating within the housing as an abrasive "gnawed" silumin hole in the pump housing.
A water intake area in reverse pressure threw out sand and pierce it feeds bypass valve rubber washer in the intake openings and to grind off the nut securing the valve.
Decided to reposition the pump housing "Bavlenets". Not only fit washer attachment and alignment of the piston. She rearranged her:
Plus pump "trickle" in that the piston is fixed by two nuts: fixing nut and locknut. Such vibration does not unscrew the piston and will not break the shaft.
But pump "Bavlenets" movable portion of the rotor plate fixed better. The "brook" them deformed.
Perhaps, during the assembly, I is not properly tightened the piston and the end of the day the pump again stopped pumping. Another disassembly revealed wear axis to such an extent that the axis of the piston attachment broke. Washers Stoch axis:
In its field I decided to rearrange the axis of the pump "Bavlenets". Disassembled unit with a plastic ring and understood the reason why he did not create pressure.
Locknut has been tightened and bad vibrations from both nuts shifted from the membrane. I decided to put the piston and the membrane of the "Brooks". The pump runs like new.
When working from a barrel - a decent head
When working with a depth of 25 m
In the first minutes after the evening turn on the pump, the water is clean. The water settles, the sand is deposited.
But it is necessary pump handle to raise and lower by 1-2 m, the sand rises and begins to walk the muddy water:
Yesterday once again disappeared in the pump head. I lifted to the surface and I heard that there is a sound in the pump goals - something weak and loose. But it was too late, decided to postpone the next analysis of the pump for the next evening.
In one of the stores caught vibration pump TM "Vortex": a length of 10 m of the cable as low approximately 1.5 thousand. rub. At the request of the sellers - a good quality. I feel that will be the next part of the test with a crash, and this pump. So what to do? Many who have pumped their wells, the cost of this process up to three pumps. How I will go - unknown. One idea is to weld the axle and the body, "Brooks" and restore one of the two at the next break.
Not intended, these "kids" for such heavy duty pumping water with sand. Out of their margin of safety and reliability. It was the idea to buy an inexpensive centrifugal pump. But there are pins in the design that the sand as an abrasive to grind off as a couple of weeks.
Read more: The front part of the fence. What has been done at the beginning of July 2019
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