SU859561A1

SU859561A1 - Heat generating electric power station technical water supply system

Info

Publication number: SU859561A1
Application number: SU802870943A
Authority: SU
Inventors: Бронислав Трофимович Самодельников; Сергей Леонидович Зисман; Владимир Митрофанович Славгородский; Юрий Михайлович Ефимов
Priority date: 1980-01-16
Filing date: 1980-01-16
Publication date: 1981-08-30

Description

(54) СИСТЕМА ТЕХНИЧЕСКОГО ВОДОСНАБЖЕНИЯ ТЕПЛОВОЙ ЭЛЕКТРОСТАНЦИИ(54) SYSTEM OF TECHNICAL WATER SUPPLY OF HEAT POWER PLANT

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Изобретение относитс к системам технического водоснабжени промышленных предпри тий, преимущественно атомных и тепловых электростанций.The invention relates to technical water supply systems of industrial enterprises, mainly nuclear and thermal power plants.

Известно водозаборное сооружение, включающее водозаборный и водосбросной оголовки , расноложенные на разных уровн х, водоочистные сетки и камеру переключени , к которой подведены подвод щий и отвод щий водоводы. Камера переключени позвол ет в зависимости от направлени ветра дл водозабора использовать отвод щий водовод с водосбросным оголовком, а дл отвода и сброса воды - подвод щий водовод с водозаборным оголовком 1.A water intake structure is known, including a water intake and a water discharge head, located at different levels, water purification nets and a switching chamber, to which supply and outlet conduits are connected. The switching chamber allows, depending on the wind direction, for the water intake to use a diverter conduit with a water discharge head, and for the diversion and discharge of water - a supply conduit with a water intake cap 1.

Недостаток такого водозаборного сооружени с одним водоочистным устройством в том, что так как водозаборный и водосбросной оголовки расположены в пределах одного берегового участка, то при наличии в нем наносов, водорослей и плавающего мусора, подвод щий и отвод щий водоводы в равной степени вл ютс причиной засорени водоочистного устройства и выхода из стро водозабора.The disadvantage of such a water intake structure with one water treatment device is that, since the water intake and discharge heads are located within the same coastal area, the presence and discharge of flooding debris inlet and outlet ducts are equally caused by pollution. water purification device and water intake out of service.

Цель изобретени - повыщение надежности работы системы путем обеспечени The purpose of the invention is to increase the reliability of the system by providing

обратной промывки водоочистных сеток и уменьшени трудозатрат.backwashing water purification nets and reducing labor costs.

Указанна цель достигаетс тем, что система технического водоснабжени тепловой электростанции, содержаща насосную станцию , подвод щий и отвод щий водоводы, имеющие затворы и водоочистные сетки, снабжена дополнительно веткой подвод щего и веткой отвод щего водоводов, причем две ветки отвод щего водовода подключены к веткам подвод щего водовода в промежутке между очистной сеткой и затвором.This goal is achieved by the fact that the technical water supply system of a thermal power plant, containing a pumping station, supplying and discharging water lines with gates and water purification nets, is additionally equipped with a branch line and a branch line of discharging water lines, and two branches of the discharge water line are connected to the branches conduit in the gap between the cleaning grid and the gate.

На чертеже изображена предлагаема система.The drawing shows the proposed system.

Система технического водоснабжени тепловой электростанции содержит насосную станцию 1, две ветки подвод щего водовода 2 с затворами 3 и очистными сетками 4, две ветки отвод щего водовода 5 с затворами 6, напорный водовод 7 и сброс от потребителей 8. Ветки отвод щего водовода 5 подключены к веткам подвод щего водовода 2 между очистными сетками 4 и затво20 рами 3. Очистные сетки подвод щих веток 2 расположены на головных участках.The technical water supply system of a thermal power plant contains a pump station 1, two branches of a supply conduit 2 with gates 3 and cleaning grids 4, two branches of a discharge conduit 5 with gates 6, discharge conduit 7 and discharge from consumers 8. The branches of the discharge conduit 5 are connected to The branches of the supply conduit 2 between the cleaning grids 4 and the gates 3. The cleaning grids of the supply branches 2 are located on the head sections.

Claims

In the proposed technical water supply system, water intake from a reservoir can be carried out alternately, then with the right branch of the supply conduit 2, or with its left branch. When water is supplied to the pressure conduit 7 by the pump station 1 and water is drawn from the reservoir with the left branch of the supply conduit 2, the shutter 6 of the left branch of the discharge conduit 5 is closed, and the shutter 3 of the right branch of the supply conduit 2 is closed. through the right branch of the diverting conduit 5 to the right branch of the inlet duct 2. At the same time, the waste water cleans the grid 4 on the right head branch of the inlet duct 2. When the cleaning grid 4 of the left branch of the inlet duct 2 needs to be cleaned by backwashing then the water supply system is switched to the water intake by the right branch of the supply conduit 2, and the waste water rushes into the left branch of the supply conduit 2 through its cleaning grid 4 installed in the head part of the branch 2. The operation of the left and right branches of the supply conduit 2 and the corresponding switching of the gates 6 of the left and right branches of the diverting conduit 5 ensures uninterrupted operation of the technical water supply system with backwashing of the water purification grids, as well as sections of the conduit in front of them, which increases by ezhnost operation of this water supply system and avoids the labor costs associated with cleaning and water purification portions grids supply conduit present. Claims. The technical water supply system of a thermal power plant, containing a pumping station, supplying and discharging conduits, equipped with gates, and water purification nets, which, in order to increase the reliability of the system by providing backwashing of water purification nets and reducing labor costs, is provided with an additional branch an inlet and a branch of an outlet conduit, and two branches of the outlet conduit are connected to the branches of the inlet conduit in the interval between the cleaning grid and the gate.

2. The system of claim 1, wherein the water purification nets are located at the head sections of the branches of the supply conduit. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 565089, cl. Е 02 В 9/04, publ. 1976.