A kind of restorative procedure blocking well
Technical field
The present invention relates to a kind of maintenance of well, multiple new and maintenance technology, be specifically related to a kind of restorative procedure blocking well.
Background technology
China's rural potable water majority still uses the little well of unshared housing, in addition the well irrigation paddy plantation increased rapidly in recent years and vegetables greenhouse cultivation, well increasing number, along with the increase of service time, no matter well casing adopts iron pipe or adopts concrete pipe, there is scale or incrustation scale silting phenomenon in capital in various degree, shaft bottom also can produce clogging due to silting, cause water outlet smooth to such an extent as to can not water outlet, peasant household also taked some processing methods, iron head is loaded onto with timber or timber top cover, impact to down-hole from aboveground, some can be had to alleviate, but the silt that silting is piled up in shaft bottom rushes more real and more real, these ways are cured the symptoms, not the disease, fundamentally can not solve the blockage problem of well, peasant household very reluctantlyly have to forget the well destroying not water outlet, according to the preliminary statistics, only with regard to northern areas such as Heilungkiang, the well scrapped every year accounts for the 6%-7% of well sum, annual well of newly drilling accounts for the 8%-9% of sum, again dig a well, every mouthful of well saliva well will spend 5 thousand to one ten thousand yuan, also to waste a large amount of man power and materials, therefore peasant household urgently wishes to have a kind of solution to block the good restorative procedure of well.
Summary of the invention
The object of the present invention is to provide a kind of restorative procedure blocking well, thoroughly solve in well casing and the blockage problem in shaft bottom, cost of investment of the present invention is low, safe and reliable, quick environmental protection, economic benefit and social benefit remarkable.
For achieving the above object, technical scheme of the present invention is: a kind of restorative procedure blocking well comprises the steps:
1, swollen detonator is loaded
First the ignition part of ignition device is put into bottom core cylinder, getting 20-25 gram of swollen detonator pours in cylinder, make swollen detonator cover the ignition part of ignition device, then get thin loess and cover on swollen detonator, the thickness of loess is 3-3.5 centimetre, then the compacting of flat-top waddy is used, get paraffin or pitch 10-15 gram, pour in upright core cylinder after dissolving, as waterproofing course on loess formation, through cooling in 20 minutes, filling completed;
2, swollen quick-fried operation
Be spirally connected and fix in the protection bucket core cylinder filled being arranged on obturator, the lifting line of the electric wire of the ignition device of core cylinder and obturator is twined with adhesive waterproof tape respectively, and be fixed together, obturator is slowly put into well, until touch the water surface, be as the criterion with the water surface, and then stop transferring when transferring lower to water layer 1 meter, control igniting on the ground to ignite, then obturator is proposed in well, carry out next operation, number of operations is depending on Underwell permeable length of tube and the depth of water, and every 1 meter to 2 meters depth of water next time swollen detonator is ignited once;
3, prune job
Draw water immediately after the swollen quick-fried reparation of well completes, the silt of bottom, oxide, permeable obstruction are cleaned out well along with current.
Described swollen detonator comprises potassium nitrate 60%, charcoal powder 18%, water 22%, its preparation method is for join potassium nitrate and water in iron or aluminium vessel, heat, until potassium nitrate dissolves pour charcoal powder into rapidly afterwards completely, stir and cool after 3 minutes, dry in the shade, be ground into powder.
Described obturator comprises protection bucket, core cylinder, suspension ring, fixed head and caging bolt; described protection bucket upper end is fixedly installed suspension ring; bucket wall uniformly arranges some air vents; described core cylinder is bottom end closure; the uncovered setting in upper end is also suitable with the hole that arranges on protection barrel soleplate, is spirally connected fixing by fixed head and caging bolt.
Described ignition device comprises ignition leads and ignition part, and the upper end of wire is connected with power supply, and lower end is connected with ignition part.
Described ignition part is heating resistance wire.
The present invention relies on power supply to be ignited with the swollen detonator of protective device by a kind of mine water of putting into; then the high temperature of strong expansion, pressure and nearly 900 DEG C is produced; thus force to come off by being attached to the scale of well tube wall and bottom, incrustation scale and various obstruction; discharge outside well along with current are cleared up, to reach the optimum efficiency repairing well by water pump again.On the protection bucket bucket wall of obturator of the present invention, the air vent of uniform setting can make expansion force evenly discharge, and effectively avoids expansion force and concentrates the damage of release to well casing, has prosthetic appliance simple with the inventive method reparation well; rehabilitation cost is cheap, time saving and energy saving, simple operation; pollution-free; efficiency is high, effective, applied range of the present invention; at well depth 10-200 rice; within depth of water 2-50 rice, no matter well caliber size all can use, and is suitable for applying in well compact district, rural area.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the master of obturator of the present invention looks half sectional view;
Fig. 2 is the upward view of Fig. 1.
Detailed description of the invention
A kind of restorative procedure blocking well of the present invention, comprises the steps:
1, swollen detonator is loaded
First the ignition part of ignition device is put into bottom core cylinder, getting 20-25 gram of swollen detonator pours in cylinder, make swollen detonator cover the ignition part of ignition device, then get thin loess and cover on swollen detonator, the thickness of loess is 3-3.5 centimetre, then the compacting of flat-top waddy is used, get paraffin or pitch 10-15 gram, pour in upright core cylinder after dissolving, as waterproofing course on loess formation, through cooling in 20 minutes, filling completed;
2, swollen quick-fried operation
Be spirally connected and fix in the protection bucket core cylinder filled being arranged on obturator, the lifting line of the electric wire of the ignition device of core cylinder and obturator is twined with adhesive waterproof tape respectively, and be fixed together, obturator is slowly put into well, until touch the water surface, be as the criterion with the water surface, and then stop transferring when transferring lower to water layer 1 meter, control igniting on the ground to ignite, then obturator is proposed in well, carry out next operation, number of operations is depending on Underwell permeable length of tube and the depth of water, and every 1 meter to 2 meters depth of water next time swollen detonator is ignited once;
3, prune job
Draw water immediately after the swollen quick-fried reparation of well completes, the silt of bottom, oxide, permeable obstruction are cleaned out well along with current.
Described swollen detonator comprises potassium nitrate 60%, charcoal powder 18%, water 22%, its preparation method is for join potassium nitrate and water in iron or aluminium vessel, heat, until potassium nitrate dissolves pour charcoal powder into rapidly afterwards completely, stir and cool after 3 minutes, dry in the shade, be ground into powder.
Described obturator comprises protection bucket 1, core cylinder 2, suspension ring 7, fixed head 5 and caging bolt 6; described protection bucket upper end is fixedly installed suspension ring; bucket wall uniformly arranges some air vents 3; described core cylinder is bottom end closure; the uncovered setting in upper end is also suitable with the hole that arranges on protection barrel soleplate 10, is spirally connected fixing by fixed head and caging bolt.
Described ignition device comprises ignition leads 8 and ignition part 4, and the upper end of wire is connected with power supply, and lower end is connected with ignition part.
Described ignition part 4 is heating resistance wire.
During application the inventive method operation, first the core wound packages filling swollen detonator is entered in the protection bucket of obturator, fix with fixed head and caging bolt, subsequently the bracing wire 9 that ignite electric wire and the suspension ring on core cylinder are arranged is twined with adhesive waterproof tape respectively, and be fixed together, obturator is slowly put into well, be as the criterion with the water surface, stop when continuing to transfer 1 meter to water layer transferring, pilot igniting is ignited on the ground, priming supply can use 380V, 220V, also can with 12V or 8V storage battery and battery, ignite swollen quick-fried after, because the moment detonation reaction of swollen detonator generates a large amount of smog, flame, the high temperature of oxygen and nearly 900 DEG C, thus produce strong pressure and expansion shaking force, various obstructions on water-permeable pipe are come off, water-permeable pipe is unobstructed, well bottom silt is filled with and mixes with well water, according to the dark ignition of the well water degree of depth every 1-2 rice once, then with water pump by outside sewage and obstruction out well, namely the repair of well is completed.In Fig. 1 11 is swollen detonator, and 12 is thin loess formation, and 13 is waterproofing course.