Method to create ice hole in winter period. RU patent 2493321.
 Method of breaking ice cover / 2493044Invention relates to ice breaking. Proposed method proceeds from creation of hydraulic impact under ice and comprises connection of resilient chamber with positive buoyancy by rope to submarine. Note here that said chamber is accelerated. |
 Method and device for protection of marine structures / 2488659Structure of a marine installation comprises a body adapted for placement at least partially around the primary structure of the marine installation, at least one ledge installed around the outer surface of the body and having the first end designed for ice breaking. The support system placed on the body and adapted for insulation of the body from the primary structure so that the body may absorb at least some vibrations caused by icing. |
 Method of active struggle with iceberg danger and device to this end / 2484209Proposed method comprises detecting iceberg by observing the defined area of water, affecting the iceberg for its localization, changing the ice from solid phase into liquid phase. Said phase transition is triggered by forcing water jets to iceberg at 80-90°C. Water jets are fed by pipeline equipped with distribution pipeline with sprinklers to be descended from aircraft and located at iceberg top. Proposed device comprises active means consisting of helicopter, water intake tank, heater, outboard water intake pipeline and that to feed hot water to iceberg. Pipeline feed hot water to iceberg incorporates extra adapter composed of distribution pipelines with sprinklers. Water intake tank is composed of air-hydraulic tank. |
 Moonpool and drill ship incorporated therewith / 2473450Invention relates to moonpool and drill ship with this moonpool. Moonpool is arranged on rill ship and consists of first zone arranged to extend from ship upper deck and second zone arranged sideways of first zone along drill ship length. Bottom surface of first zone extends to drill ship bottom surface. Second zone arranged side by side with first zone increases total length of moonpool. Partition is arranged between said zone at definite height of drill ship bottom surface to allow sea water flown in first zone to overflow into second zone. Said partition is provided with openings. Moonpool has constant transverse width opening extending to first zone bottom surface to converge toward ship stern. |
 Method to break ice cover / 2471924Method consists in installation of an electric double-wire line in ice with subsequent force action at an ice cover. Parallel conductors are laid into ice at the distance of 2-3 cm into saw cuts or frozen by means of heating as current is sent. Parallel conductors end with shorting electrodes and are connected to a high-voltage capacitance accumulator. Force action is developed as a result of Lorentz force by mutual repulsion of conductors while passing high-energy pulses of electric current. Besides, a high-energy pulse causes sharp heating of conductors, which results in their explosive damage along the entire length. |
 Method of breaking up sea ice and apparatus for realising said method / 2465399Method involves irradiation of sea ice with microwave energy which affects liquid contained in form of capsules inside the sea ice. Under the effect of this energy, the liquid instantly evaporates and as it expands, the vapour of the liquid breaks up ice crystals by its pressure. The method is realised by an apparatus having a power source, a mechanism for mounting the power source and sea ice. The power source is a microwave generator. The apparatus also includes a waveguide and a microwave radiator with a flange. The mechanism for mounting the microwave source is a sea vessel, rigidly fitted with a microwave generator, a waveguide with a flange and a corrugated part and a radiator with a flange which is mounted on a support arm on the bow of the sea vessel. The radiator is directed on the surface of the ice cover. |
 Composite steel-concrete slab with external sheet reinforcement, preferably for ice belt of marine stationary ice-resistance platform / 2464380Composite steel-concrete slab with external sheet reinforcement, preferably for an ice belt of a marine stationary ice-resistant platform contains concrete coated at two opposite sides by external steel sheets. External steel sheets are connected between each other by through transverse joints from sheet reinforcement. Some transverse links making not more than 80% are made of U-shaped reinforcement rods, joined to each other in pairs according to the type of loop joints. Ends of rods are fixed to external steel sheets. |
| Method of making channels in ice fields and ice breaking appliance to this end / 2457977 Invention relates to ice-breaker fleet. Proposed method comprises extending two bars with electrodes along ice breaker sides to be heated by electric current generated aboard the ice breaker, displacing ice breaker to distance equal to bar length, melting two cutouts in ice bulk by aforesaid electrodes, breaking ice loosened by said cutouts and repeating aforesaid cycle. Note here that plate-like sharpened-front electrodes penetrate into ice through part of its thickness. Cutters are fitted into cutouts made by electrodes made up of cutting head focused by nozzle through which hydroabrasive jet if forced by ship superhigh-pressure pump. Ice breaker add-on device comprises extending bars with electrodes and cutters. Extending bars are arranged on rotary device to displace in 0-90 degree-sector on every side of ice breaker. Cutters are made up of cutting head focused by nozzle. |
| Method to break ice cover / 2455189 Invention relates to breaking an ice cover with the help of an explosion. The method to break an ice cover is carried out by creating a gas cavity with high pressure under the lower ice edge. The cavity is created by firing at an ice cover from a weapon with the main hollow-charge shell with tandem arrangement of two composite hollow-charge shells capable of alternation ignition with a time interval. It is reasonable to install the weapon barrel at the angle providing for vertical fall of the shell on ice. |
 Ice cover destruction method / 2454503Method involves supply of gas-air mixture under lower surface of ice cover, and its explosion. At that, gas-air mixture is supplied to a groove made from lower surface of ice cover. Besides, a float with detonator with wireless control is installed in the above groove. |
 Method for destruction of ice or soil cover / 2246693The method consists in placement of parachute systems with ammunition on the flight vehicle, their delivery to the preset point, release and blast of ammunition. Elongated flexible explosive charges with initiating devices with a preset delay time connected with one end to penetrators, and with the other end - to the parachutes, assembled in packing cases, are used as ammunition. After the release, the parachute systems turn the flexible explosive charges to the rectilinear position with the penetrators down, separate them from the parachute systems, and the initiating devices are systems, and the initiating devices are remotely cocked. |
 Method of breaking ice cover / 2249073Proposed method includes excitation of resonance flexural gravitational waves in ice and creation and change of aerodynamic lift force at frequency of resonance flexural gravitational waves. In the course of motion of ship, alternating aerodynamic lift force is created at frequency of resonance flexural gravitational waves by turning the horizontal plates to positive and negative angles of attack towards incoming flow of air. Plates are mounted on upper deck. Angles of attack are periodically changed at frequency of said waves. |
| Method of breaking ice cover / 2249074 Ice is broken when submarine ship has no way on by inclining her to maximum angle of list and imparting rotary motion relative to vertical axis coinciding with vertical main axis of inertia of ship and added mass of water formed during rotation of ship. |
| Method of breaking ice cover / 2249075 Proposed method is performed by means of hovercraft running at resonance speed. Ice cover is additionally acted on by radio radiation at frequency of 106 to 107 by means of generator which is mounted on extensible rod on board the ship. Temperature of ice is increased and its strength is decreased by operation of generator during performance of ice breaking work by resonance method. |
| Method of breaking ice cover / 2249076 Proposed method is performed with the aid of hovercraft running at resonance speed. Ice cover is additionally acted on by radio radiation at frequency of 109 to 1010 Hz by means of generator which is located on extensible rod on board the ship. Generator forms hydraulic impact under highest point of crest of flexural gravitational waves and amplitude of this wave is increased when hovercraft runs along edge of ice cover. |
 Method of braking ice cover / 2250178Proposed method is performed by means of submarine ship (2) running under ice (1) at resonance speed and exciting resonance flexural gravitational waves (3). After excitation of flexural gravitational waves (3) in ice (1), ship (2) is braked abruptly for forming hydraulic impact and at moment when first trough (7) of flexural gravitational wave (3) reaches midship section (8) of ship, as determined by means of shipboard echo sounder (9), ship makes fast dive forming rarefaction area (11) above upper portion of ship (2); horizontal component of speed is increased for retaining the resonance mode. |
 Ice jam breaker / 2250955Invention relates to ice breaking devices and it can be used for eliminating jam to prevent flooding at ice jams on rivers. Proposed ice jam breaker consists of tractor with bulldozer installed on telescopic rods in nose part of tractor. Lower edge of bulldozer is made to provide self-cutting of blade into ice under gravity at extension of rods or moving tractor forward, and self-release from ice when pulling rods back, moving tractor backwards or debacling of hummocked ice fields downstream. Telescopic rods are secured on tractor by means of ball joints, and on bulldozer, by means of cylindrical joints for setting them into motion in horizontal and vertical planes by means of hydraulic cylinders. Hermetically sealed container can be mounted on bulldozer to provide positive buoyancy of the latter. |
 Ice jam elimination method / 2250956Proposed method comes to breaking ice jam by vibration generated by wave generator of positive buoyancy inside which vibrator is installed. Wave generator is placed in ice jam close to its free edge. |
 Method for blasting and device for its realization / 2252393The invention concerns the method for blasting, according to which an elastic envelope is placed in a limited volume of space, filled with a combustible mixture of fuel gases and oxidant and blown up by a trinitrotoluene charge, in this case propane, butane, methane or a mixture of these fuel gases are used as fuel gas. |
 Ice jam liquidating device / 2255173Device comprises breaking anchor and rope. Breaking anchor has lower part to be opened in water after ice jam breaking. The lower part is connected to upper anchor part and provided with elastic sealed vessel with compressed gas cylinder arranged inside it. Sealed vessel with cylinder is connected to upper part of breaking anchor with rope and has negative floatability. Cylinder comprises valve to be opened in response to rope tightening. Upper end of breaking anchor is provided with limiting washer, which remains on ice surface after ice jam breaking with breaking anchor and providing anchor fixation inside ice jam. |
FIELD: mining.
SUBSTANCE: method includes installation of a heat-insulating material onto water surface. Closed polyethylene terephthalate containers are used as a heat-insulating material, and the containers are partially filled with inert material with density that exceeds water density and mass providing for partial submersion of the containers. Inert material providing for partial submersion of containers is represented by sand or crushed stone or gravel.
EFFECT: reduced intensity of water surface heat exchange with atmosphere, which prevents ice formation on water reservoir surface and makes it possible for dredgers and drags manoeuvre freely.
1 dwg
The invention relates to the mining industry and may be used in the design of irrigated deposits of mineral resources.
There is a method of saving water in the pond technical purposes, including laying on the surface of the water foam coating, coating perform as a set of identical or diverse foam balls, freely placed on the surface of the water (RU 2049199 C1, IPC 02 15/00, from 23.12.1991 published: 27.11.1995).
The disadvantage of this device is the hard axis with protruding ends, the consolidation of the pontoon Draghi or dredger with one hand and to the edge of the lane with another, and the need for production of cylinders of the same length and diameter.
The closest technical the essence and the achieved result is a way of formation of the ice-hole in winter, includes laying on the water surface of insulating material in the form of hollow spheres with a hard plastic or silicone cover (EN 2414561 C1, IPC 02 15/02, 21 41/30, dated 11.11.2009, published: 20.03.2011).
The disadvantage of this method need to manufacture heat-insulating material in the form of hollow spheres with a hard plastic or silicone cover, difficulty in laying balls and their collection.
Objective of the method is to reduce the environmental damage of aquatic environmental and extension of the exploitation of the season in the winter, due to a decrease in the intensity of heat exchange surface of the water with the atmosphere that prevents on the surface of a pond and allows and to maneuver, and also decrease in economic expenditures on education and maintenance of the lane.
This is achieved through the application of heat-insulating materials in the form of environmentally friendly, polyethylene terephthalate tar, that allowed to reduce the economic costs at their application in the creation and maintenance of the lane.
To achieve the objectives proposed method contains the following the set of essential features:
Way of formation of the ice-hole in winter, includes laying on the water surface heat insulating material, as insulating material use closed polyethylene packagings, partially filled with inert material with a density greater than the density of water and weighing providing a partial immersion of the packaging. As an inert material provides a partial immersion containers use sand or rubble or gravel.
The invention is illustrated by drawings, where:
1 - polyethylene terephthalate containers,
2 - inert material;
The drawing shows a cut slice laying of polyethylene terephthalate tar.
The method is implemented as follows: polyethylene terephthalate Tara 1 is filled with ecologically clean and safe material of 2, polyethylene terephthalate packagings placed in the pond, when you move the dredger or Draghi polyethylene terephthalate packaging moves to a place previously occupied by the equipment.
The method can reduce the intensity of heat exchange surface of the water with the atmosphere that prevents on the surface of a pond and allows and to maneuver, and reduce the economic cost of education and the maintenance of the lane.
1. Way of education lane in the winter period, including laying of the surface water in heat insulating material, wherein as insulating material use closed packagings, partially filled with inert material with a density greater than water density, and weight providing a partial immersion of the packaging.
2. Way of formation of the ice-hole in winter period according to claim 1, characterized in that in the capacity of inert material providing a partial immersion packaging, use sand, or gravel, or gravel.