Exhaust tower of cooling tower

FIELD: power engineering.

SUBSTANCE: invention relates to heat engineering and can be used in construction of cooling towers of the tower type. Exhaust tower of a cooling tower comprises a reinforced concrete hyperbolic shell with cross sections in the form of a Reuleaux triangle, which is a constant-width figure. Exhaust tower of a cooling tower is installed in plane with one of the shell angles opposite to the windrose main vector direction.

EFFECT: invention allows to enhance resistance, rigidity and the degree of streamlining by wind air flows of the cooling tower exhaust tower structure.

1 cl, 3 dwg

 



 

Same patents:

FIELD: power industry.

SUBSTANCE: invention relates to heat engineering, namely to chimney-type cooling towers for cooling of recycled water of industrial enterprises. A cooling tower includes a chimney in the form of a flattened pyramid or a hyperboloid of rotations. The chimney opening ends with an upper stiffening ring with railings on outer and inner sides of the chimney. Along the whole perimeter of the chimney opening there installed on the plane of the upper stiffening ring is a wind-guiding sectional device so that a solid surface can be formed, which consists of ambient air dissecting and guide flap plates located throughout the height one above another at the distance between their axial lines of 150-1000 mm to the height of 1.0-5.0 m from the upper stiffening ring; with that, an angle of position of flap plate planes to horizon is 0-80.

EFFECT: invention allows reducing aerodynamic resistance and increasing cooling efficiency of a chimney-type cooling tower.

1 dwg

FIELD: power industry.

SUBSTANCE: cooling tower contains tower with installed in it water distribution system, water trap and sprinkler. In the tower bottom part there are air intake windows and basin, and butterfly dampers are installed on vertical axes in the air outlet windows. Area before each damper is divided by the vertical axis to two unequal parts, the water distribution system is made by the identical, flat, near installed water spraying sections installed under the water trap and above sprayer. The water spraying sections are connected to the water supply risers, the water distributing system is made by two water spraying section, each section is connected to own water supply pipeline located under the sprayer above the basin by means of the water supply risers, each of them at output is connected to own horizontal water distributing pipeline in its middle. The later are installed parallel to each other and are connected with system of parallel water delivery pipelines, on which the water spraying nozzles are installed; they are uniformly distributed along the water delivery pipelines, bore diameter of the water distributing pipelines is reduced gradually in the direction from the point of connection to the water supply riser. The water spraying sections are located symmetrically relatively to the vertical axis of the cooling tower, each section is equipped with one water supply riser, the section risers are located in parallel to each other along the vertical axis of the cooling tower; the water distributing pipelines are located along diameter of the inscribed circle of the tower cross-section; to the water distributing pipelines the parallel water drainage pipelines are connected, using them the water distributing pipelines are connected with the water delivery pipelines, the water drainage pipelines are made gradually reducing in direction from the water delivery pipeline to the wall of the cooling tower, and are located at right angle to the water distributing pipelines, the and sections of the water drainage pipelines of each section are connected with each other by the peripheral pipelines located along the inscribed circle of the tower cross-section, and water spraying nozzles of the adjacent water delivery pipelines are located in staggered order relatively to each other.

EFFECT: increased water uniformity between the water spraying sections and along cross-section of the cooling towers, and due to this power consumption decreasing for water cooling.

3 dwg

FIELD: heating.

SUBSTANCE: invention can be used in cooling towers of industrial enterprises and thermal power plants. Essence of the proposed method consists in the fact that in a closed recirculating cycle of the cooling tower, which is formed with cooling tower 1, air treatment device 2, steam/gas/air pipelines 3 and condensate pipelines 4 there installed is capacitive accumulator-regulator 5 of water condensate, with that, accumulator-regulator 5 of water condensate is a regulator for maintenance of the required water volume of the cooling tower and a service water supply system and at the same time the primary condensation heat storage, with that, phase heat accumulator-regulator 6 with heat capacitive substance is installed, with that, condensation of a steam-gas-air mixture takes place in the air treatment device on a cooling heat exchange surface with the temperature equal to or lower than a dew point, with that, the heat exchange surface is shaped with one or more subsequent methods: heat exchange tubes via which working process liquid circulates with the temperature equal to or lower than dew point, operation of a cooling plant, introduction to the steam-gas-air mixture of cold liquid or solid particles, by compression of the steam-gas-air mixture, with that, the heat exchange surface is shaped with one or more subsequent methods: heat exchange tubes via which working process liquid circulates with the temperature equal to or lower than dew point, by operation of the cooling plant, introduction to the steam-gas-air mixture of cold liquid or solid particles, by compression of the steam-gas-air mixture so that condensed phase can be thermodynamically more stable than gaseous one at achieved values of temperature and pressure, with that, condensation heat from the recirculating cycle is collected in the heat accumulator-regulator, from which it is supplied with heat pump 7 to a heat consumer for its intended purpose 8, with that, recirculation of the steam-gas-air mixture and air cleaned from moisture and cooled is performed in the closed recirculating cycle due to increasing difference of pressures of saturated steam and non-saturated steam in air cleaned from moisture and cooled and forced air supply with suction or pressure fan 9, with that, cooling of water below temperature values of wet-bulb thermometer of atmospheric air occurs and dependence of operation of the cooling tower on an external water source, on state of atmospheric air is reduced, and high concentration of heat accumulation is achieved, with that, excess air volume is removed through control valve 10 and refilled through an inlet valve.

EFFECT: invention allows controlling and maintaining the required water volume of a cooling tower and a service water supply system.

4 cl, 2 dwg

FIELD: heating.

SUBSTANCE: invention can be used in cooling towers of industrial facilities and power plants. Method involves installation of capacitive accumulator 5 for water condensate control in closed recirculation loop of cooling tower, formed by cooling tower 1, air treatment device 2, steam and air ducts 3 and condensate pipelines 4, where accumulator for water condensate control serves also for required water volume maintenance in the cooling tower and process water supply system and for primary accumulation of condensation heat; phase accumulator for heat regulation with heat-absorbing material 6 is installed; condensation of steam and air mix is performed in air treatment device on the cooling surface of heat exchange at temperature equal or below dew point; heat exchange surface is formed by one or several consecutive methods: by heat exchange pipes where process fluid is circulating at temperature equal to or below dew point, by refrigeration aggregate operation, by adding cold liquid or solid particles to the steam and air mix, by steam and air mix compression; heat exchange surface is formed by one or several consecutive methods: by heat exchange pipes where process fluid is circulating at temperature equal to or below dew point, by refrigeration aggregate operation, by adding cold liquid or solid particles to the steam and air mix, by steam and air mix compression, so that condensed phase is more stable in thermodynamic sense than gas phase at temperature and pressure obtained; condensation heat from recirculation cycle is accumulated in heat regulation accumulator and fed from it by heat pump 7 to heat consumer at destination place 8; recirculation of steam and air mix and cooled dehydrated air in closed recirculation loop is performed by increasing pressure difference between saturated steam and non-saturated steam in cooled dehydrated air, and forced air feed by suction or forced-draft fan 9; water is cooled below temperature values of wet-bulb thermometer of ambient air, and cooling tower operation depends less on external water source and ambient air conditions; high concentration of heat accumulation is achieved, and excessive air volume is exhausted through control valve 10 and is compensated via inlet valve.

EFFECT: control and maintenance of required water volume in cooling tower and process water supply system.

4 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: fan is installed on vertical shaft with the drive located in the machine hall under the fan cooling tower and consisting of the reducer, the hydraulic coupling, oil refrigerators and filters, the electric motor regulating the speed of rotation of a the fan shaft taking into account the temperature of chilled water and at regulation of fan shaft rotation speed in addition the temperature and pressure of lubricant oil in the reducer and the hydraulic coupling are considered, the level of vibration of the fan shaft and temperature of its guiding bearings, temperature of support bearings of the electric motor shaft, pressure and flow rate of cold water in the oil chillers, oil pressure differences in oil filters, force of the electric current passing through the electric motor winding, water level in the machine hall of the cooling tower, and the measured values of parameters are compared to the pre-set preventive and pre-emergency values and by results of comparison the pre-set rpm of the fan shaft is corrected on the regulator.

EFFECT: invention allows to improve the efficiency of cooling of return water due to improvement of reliability of operation of the cooler and decrease of accident rate of the process.

2 dwg

FIELD: heating.

SUBSTANCE: invention relates to the contact coolers, in particular to the cooling towers, and can be used at thermal electric power stations for the recycling water cooling. Method of the recycling water supply using the cooling towers with sprinklers means that several cooling towers are connected by hydraulic circuits of water treatment and use, the cooling towers are connected such that the hydraulic circuits of water treatment and use will operate separately, at that in bottom part of the cooling tower casing at least two water gathering tanks are installed, they are connected by compensating pipe, ensuring hydraulic independence of the work water treatment and use circuits, at that one tank is connected with a pump supplying water cooled in the cooling tower to the consumer, this water is re-supplied via the valve to the second tank, from it heated water by pump via the filter and valve is supplied via the pipeline to the manifold with nozzles located in the top part of the cooling tower casing, at that the cooling tower sprayer is made as module out of layers of the polymer honeycomb pipes assembled out of corrugated plates that are welded along the corrugation edges, and structure of pipe channels comprises the following combinations: straight-convoluted, straight-inclined, convoluted-inclined.

EFFECT: increased capacity of the cooling tower operation.

6 dwg

Fan cooling tower // 2541622

FIELD: power industry.

SUBSTANCE: invention relates to heat engineering and may be used for air-cooling of recycled water of CHP, NPP and industrial enterprises. Fan cooling tower includes a housing rectangular in the cross section with air inlet openings at its bottom, the housing is installed on water-collecting basing on which installed is a fan unit containing diffuser in the form of convergent-divergent shell, in which placed is a blade wheel which shaft is connected to a drive of rotation; the housing is provided with water distributing collector with water-spray nozzles, sprayer, designed as several identical units assembled from vertical corrugated sheets, all these devices being arranged successively downwards. At the housing bottom above water surface of water-collecting basing there installed is a surface cooling unit made from corrugated sheets arranged parallel to movement of cooling air, which upper edges are on the same level with lower edges of air-intake openings; width of slots between corrugated sheets of the surface cooling unit is less than width of slots between corrugated sheets of sprayer units, but it is more than width of slots between corrugated sheets of the surface cooling unit upon their flooding, and outer surface of all corrugated sheets is covered with hydrophilic material.

EFFECT: enlargement of area of heat-and-mass transfer between air and cooled air in fan cooling tower.

5 dwg

FIELD: power industry.

SUBSTANCE: evaporative cooling tower includes a stack at the base of which there are air inlet openings with turning flow control shields with a horizontal rotation axis and air guide shields with a vertical rotation axis, which are located at the air inlet openings. The cooling tower includes turning air guide shields with the horizontal rotation axis, which are installed at an angle to horizon inside the stack at the base of the air inlet openings. The turning flow control shields with the horizontal rotation axis and the air guide shields with the vertical rotation axis are made in the form of a single structure installed in all air inlet openings and consisting of three shields with a horizontal rotation axis, which are located in the centre, and two shields with a vertical rotation axis, which are located on edges. The invention allows controlling intensity and uniform distribution of an airflow in winter time as a result of combined use of turning shields with horizontal and vertical rotation axes.

EFFECT: increasing thermal efficiency of stack-type evaporative cooling towers.

2 cl, 2 dwg

FIELD: machine building.

SUBSTANCE: mechanical-draft tower consists of a housing, sprinkling device, liquid-collecting tank and fan. The case is composed of two parts - an upper one including a sprinkler and a droplet separator between which the manifold of sprinkling device with nozzles is mounted, and a lower part wherein the cooled water collecting tank with a fan mounted on it is arranged. Also, the fan is made from sheet stainless steel. A diffuser is installed into the collecting tank. The diffuser is a part of the housing and connected with the fan. The fan is fitted with a plastic working wheel and a multi-speed electric engine. Depending on weather conditions during operation the engine changes output of the tower due to change of air flow rate. and droplet separator is designed with triple corrugation, where the air flow three times changed its motion direction and at the expense of it the significant decrease of droplet carry-over is achieved, each of nozzles of the spraying device is designed with spraying disk and contains the cylindrical housing with the union rigidly connected to the housing and axially located in upper part of the housing, with a cylindrical hole for liquid supply, connected with the diffuser, axisymmetrical to the housing and union, and to the housing, in its lower part, by means of, at least, three spokes the sprayer located perpendicularly to the housing centreline and designed as a continuous disk is connected.

EFFECT: raised efficiency of mechanical-draft tower operation.

5 cl, 3 dwg

Cooling tower // 2535903

FIELD: power industry.

SUBSTANCE: cooling tower includes a tower, in the lower part of which an opening is located, which is provided with shields installed in it at an angle of 60-75 to a tangent drawn to a circle of the tower base, water spraying and irrigation systems; the shields are made in the form of tubular elements installed with a pitch that is not more than length of a tubular element. Tubular elements are connected to each other via a pipeline from the water spraying system, and along the lower surface of tubular elements there uniformly located are water atomisation holes with formation of tangential air inlet ducts. An inclined surface is formed along the perimeter of the cooling tower at an angle of 10-15.

EFFECT: invention allows improving water cooling efficiency of a cooling tower due to intensification of heat and mass exchange inside the cooling tower by creation of swirling of an air flow with guide water curtains formed with cheaper and easier-to-operate tubular elements.

2 dwg

FIELD: power industry.

SUBSTANCE: invention relates to heat engineering, namely to chimney-type cooling towers for cooling of recycled water of industrial enterprises. A cooling tower includes a chimney in the form of a flattened pyramid or a hyperboloid of rotations. The chimney opening ends with an upper stiffening ring with railings on outer and inner sides of the chimney. Along the whole perimeter of the chimney opening there installed on the plane of the upper stiffening ring is a wind-guiding sectional device so that a solid surface can be formed, which consists of ambient air dissecting and guide flap plates located throughout the height one above another at the distance between their axial lines of 150-1000 mm to the height of 1.0-5.0 m from the upper stiffening ring; with that, an angle of position of flap plate planes to horizon is 0-80.

EFFECT: invention allows reducing aerodynamic resistance and increasing cooling efficiency of a chimney-type cooling tower.

1 dwg

FIELD: machine building.

SUBSTANCE: design of two-layer cooling tower guards containing panels, made out of epoxidated shaped sheets EPL-200, having edges in form of open circles, snapped with overlapping with creation of the reliable lock joints of continuous panels, secured to the vessel framework surrounding horizontal braces by the fasteners using rod, where the said fastener is H-shape cleat in form of two parallel rods connected by flat jumper at rod diameter somewhat exceeding the internal diameter of the lock joint, distance between rods corresponding to width of the said brace, jumper thickness somewhat below the width of slot of the lock joint surrounding from top the said brace, located between the guard panels, locking by lock joints the both panels.

EFFECT: simplified assemblage, increased resistance against wind loads, extended service life of coatings.

3 dwg

FIELD: power engineering.

SUBSTANCE: combined-cycle plant of a power facility comprises a gas-turbine plant, a heat-recovery boiler, a steam-turbine plant, a wasteheat exchanger for exhaust gases, a circulation water supply system. The gas-turbine plant comprises a gas turbine, a turbocompressor, a combustion chamber and a power generator. The steam-turbine plant comprises a steam turbine with a condenser, a power generator and a feed pump. The wasteheat exchanger is equipped with a condensate collector with a hydraulic lock. The circulation water supply system comprises a circulating pump, a discharge pipeline to the steam turbine condenser and the wasteheat exchanger and a drain discharge pipeline to a cooling tower, comprising a stack and a storage basin. The plant additionally includes a pipeline, which connects the wasteheat exchanger with a distribution device installed in the cooling tower stack. The distribution device comprises several circular perforated headers of alternate cross section connected to each other by means of a nozzle, for even mixing of exhaust gases with a heated atmospheric air moving in the cooling tower stack and their discharge to the atmosphere.

EFFECT: no necessity to erect and operate a flue stack, which increases plant efficiency.

1 dwg

FIELD: ventilation.

SUBSTANCE: tower condensation system with air cooling comprises a truss, on which a ventilator platform is installed with ventilator jackets, a group of steam lines passing in longitudinal direction above the ventilator platform, a group of condensation coils passing downwards at the angle to steam lines above the ventilator platform, a group of drainage tubes arranged in the lower part of condensation coils above the ventilator platform, at least one substantially nonporous side wall arranged at least on one lateral side of the tower and passing from the elevation substantially in the region of steam-supplying lines downwards to the elevation substantially in the region of the ventilator platform, and also protruding downwards and outside substantially nonporous and longitudinal upper air guide passing downwards and outside from the side wall. Also the method is described to direct air flow into the tower system and a version of the tower condensation system.

EFFECT: reduction of power inputs for system functioning at the specified heat transfer and efficiency of the tower condensation system.

20 cl, 5 dwg

FIELD: construction.

SUBSTANCE: invention refers to the sphere of construction and renovation of buildings, reservoirs, sedimentation reservoirs and other structures of basically round cross-section in terms of layout, such as cooling towers. The cooling tower reinforcement structure consists of slanting beams arranged in radial directions of the confusor, their upper ends attached to the structure bearing elements and via the backing block connecting strips resting on the base ring. There is a engirdling belt fixed onto the base ring with the external ends of the slanting beams attached immediately to it with the help of equally slanting bracing pieces (two per each beam).

EFFECT: ensuring the structure rigidity; minimisation of the structure elements cross sections; optimisation of transfer of force and torque to the supports; structure seismic resistance enhancement.

4 cl, 9 dwg

FIELD: industrial buildings forming part of cooling plants, particularly cooling towers for enterprisers and power plants.

SUBSTANCE: air flow control device comprises air-guiding deflector and rotary jalousie gate sections installed on pile foundation base or on water catchment basin wall and extending at 45-135° angles to horizontal surface. Gate position is regulated by means of manual drive or with the use of automatic drive installed inside air-guiding deflector. Rotary jalousie gates are made of thin sheet material and have individual drives, which provide independent upper and lower gate section operation, arranged within the limits of each section. Air flow control method involves regulating gate opening through angle, which provides design specific air flow rate; closing upper and lower gates of rotary jalousie gate sections in dependence of change of atmospheric air temperature and hydraulic and heat load of cooling tower.

EFFECT: increased efficiency of air flow regulation in dependence of atmospheric air temperature and hydraulic and heat load.

6 cl, 5 dwg

Cooling-tower // 2259452

FIELD: power engineering.

SUBSTANCE: cooling-tower has frame with casing held on it, made of polymer sheets, mated with each other along vertical side edges using lock connection, while inner contours of connection on right edge of sheet are identical to outer contours on left edge of adjacent sheet. Lock connection is made in form of open hexahedron as shown on fig. 2, pos. 4,5. sheets are bent with curvature radius appropriate for curvature of external contour of frame, and width of sheets is 410...420 mm.

EFFECT: decreased space between casing sheets and frame, rigid connection of casing sheets, excluded air influx from environment, increased rigidity of construction and higher efficiency of heat exchange.

1 cl, 5 dwg

FIELD: building, particularly for heat-and-power engineering, namely for performing repair-and-renewal operations of reinforced concrete structures.

SUBSTANCE: colonnade comprises columns with support rings and protective ferrule made of shells. Shells form telescoping collars enclosing the columns and provided with discharge plates. The shells are connected to welds. Gaps between columns and protective ferrule are filled with nonshrinking mix. Protective ferrule is provided with connection pipes located at least in one level and used for nonshrinking mix pumping. Protective ferrule also has support plates for jacks and vibratory means installation. Method of cooling tower reinforcing is also disclosed.

EFFECT: extended time of protection against concrete erosion, increased reliability of air-tightness and waterproofing, increased load-bearing capacity.

2 cl, 2 dwg

The invention relates to the field of construction and reconstruction of buildings and constructions, having a plan is mainly circular cross section, in particular cooling towers

Cooling tower // 2225929
The invention relates to a power system and can be used in the construction of both the tower and fan cooling towers

FIELD: building, particularly for heat-and-power engineering, namely for performing repair-and-renewal operations of reinforced concrete structures.

SUBSTANCE: colonnade comprises columns with support rings and protective ferrule made of shells. Shells form telescoping collars enclosing the columns and provided with discharge plates. The shells are connected to welds. Gaps between columns and protective ferrule are filled with nonshrinking mix. Protective ferrule is provided with connection pipes located at least in one level and used for nonshrinking mix pumping. Protective ferrule also has support plates for jacks and vibratory means installation. Method of cooling tower reinforcing is also disclosed.

EFFECT: extended time of protection against concrete erosion, increased reliability of air-tightness and waterproofing, increased load-bearing capacity.

2 cl, 2 dwg

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