Dirt cleaning machine for a well. Drawing, description

TOOLS AND MECHANISMS FOR AGRICULTURE
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Dirt cleaning machine for a well. Drawing, description

Tools and mechanisms for agriculture

Directory / Tools and mechanisms for agriculture

From month to month he put off cleaning the well from the layer of silt accumulated at the bottom. It was impossible to do this work alone and even together in traditional ways (with a bucket and a shovel), and it was not so easy to attract several assistants at once at the same time.

The idea was prompted by a once read article in the technical literature about drilling wells with a hydraulic ripper by washing the rock with water pressure. Constructive solutions were seen in the principle of operation of a suction dredger (abbreviated as a dredger).

Having started to design the device, he did not particularly believe in the success of the case. Therefore, he made it, so to speak, in haste from the materials at hand, spending a little more than an hour on manufacturing. But the result exceeded expectations.

At the same time, in one, in general, simple device, it was possible to combine both of these units: a hydraulic baking powder and a soil pump.

The basis of the mud-cleaning machine (this is how the designed device can be called, since the dredger is still a large and complex installation) was the Rodnik domestic deep water pump. By the way, you can use any of the same type of vibration pump, for example, "Baby", "Brook", etc. Moreover, this unit was used without alterations and, as a subsequent revision showed, even prolonged "dirty" work had practically no effect on its performance. Therefore, in the future, he exploited it for its intended purpose.

The remaining components of the dirt-cleaning machine are home-made, but not at all complicated.

One of them is a tee. I have this part welded, made from pieces of a half-inch pipe. For those who do not have a welding machine, it can be assembled from a standard fitting tee and three spurs (short pieces of pipe with threaded ends).

Another detail, I'll call it a bell, is made from an empty can of oil paint. The lid of the jar is removed as unnecessary, and holes are punched in the shell in a circle with a punch or chisel. A hole is cut out in the bottom of the jar, into which the pump spout would fit quite tightly. The bell is fixed on the pump with the help of several cable extensions. Their lower ends cling through the holes to the flange of the can, and the upper ends are wound up along the nut of the standard pump bolts.

Another small hole must be cut in the shell near the bottom (along the outer diameter of the hydraulic opening nozzle). The nozzle is the last homemade part of a dirt cleaning machine and is quite simple. This is a piece of copper tube with a slightly rolled outlet. This end is inserted inside the bell, and the nozzle itself is securely attached to the shell (at least with wire twists, but so that it does not turn). A hose is put on the other end, which connects the nozzle to the tee. The tee is connected to the pump outlet through a short piece of hose - to dampen vibration.

It is desirable to fix the hoses on the pipes with clamps (at least made in China), but in extreme cases it is quite acceptable with wire twists.

Mud-cleaning machine for removing silt from the bottom of the well (click to enlarge): 1 - the bottom of the well (clay and rock fill); 2 - alluvial layer (silt); 3 - water; 4 - well walls (reinforced concrete); 5 - bell (paint can); 6 - domestic deep vibration pump "Rodnik"; 7 - vibration damper (hose section); 8 - tee (pipe 1/2 "); 9 - clamp (wire twist, as needed); 10 - pressure drainage sleeve (rubber hose); 11 - suspension cable; 12 - pump power cable; 13 - return sleeve (rubber hose ); 14 - stretching (cable, as needed); 15 - nozzle (copper tube Ø 10).

The principle of operation of the dirt-cleaning machine, I hope, is already clear. But just in case, I'll explain again.

So, at the initial moment, the pump pumps clean water from the well. Its main flow rises up through the pressure hose, and part (also under pressure) is sent through a branch in the tee back under the bell. The jet from the nozzle, directed to the bottom, intensively erodes the silt, and it is pumped out of the well in a suspended state, forming a pulp with water.

Now a few explanations on the technology of sludge removal and its use.

As you know, sludge is used as agricultural fertilizer, so the pulp can be safely directed under fruit trees and shrubs. To increase water absorption, it would be nice to loosen the soil around them with a garden pitchfork.

Cleaning of the well (removal of silt) should be done in layers of 100 millimeters, moving the device over the entire area of the bottom. Signs of the complete removal of the alluvial layer of silt are: a decrease in the turbidity of the pumped water, the suction of the bell jar to the bottom (if it is clay), the achievement of the original depth of the well.

Thus, a layer of silt more than 30 cm thick was removed from the bottom of the source in about eight hours of continuous operation of the pump. The removal of silt significantly increased the flow rate (incoming volume per unit time) and the supply of water in the well, and most importantly, it increased its taste: after all, the well is drinking water.

Author: A.Matvejchuk

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