SU901420A1

SU901420A1 - Water intake borehole

Info

Publication number: SU901420A1
Application number: SU802913575A
Authority: SU
Inventors: Степан Степанович Шевандин; Валентин Иванович Ванденко
Priority date: 1980-03-26
Filing date: 1980-03-26
Publication date: 1982-01-30

Description

Изобретение относится к водозаборным артезианским скважинам и может быть использовано в системах водоснабжения.The invention relates to water artesian wells and can be used in water supply systems.

Основной рабочей частью водозаборных скважин являются фильтры, и от ⁵них зависит долговечность, качество и эффективность их работы.The main working part of water wells are filters, and the durability, quality and efficiency of their work depends on ^{5 of} them.

Наиболее’близким к предлагаемой по технической сущности и достигаемому эффекту является водозаборная ¹⁰скважина, включающая колонну и фильтрующий элемент, выполненный в виде обсыпанной снаружи гранулированным материалом трубы,, часть которой перфорированаГ11,The closest to the proposed technical essence and the achieved effect is a water intake ¹⁰ well, including a column and a filter element made in the form of a pipe sprinkled with granular material from the outside, part of which is perforated G11,

Заполнение зафилътрового пространства приемной части скважины телами, обладающими плавучестью и шаровидной формой, способствует умень'_ошению вымывания частиц водоносного пласта, повышению дебета воды и улучшению фильтрационных возможностей скважины, однако, эта конструкция не предусматривает и не позволяет производить замену гранулированного материала и извлечение фильтра с целью его замены, что, в конечном итоге, приводит к необратимому выходу скважины из строя.Filling the filter space of the receiving part of the well with bodies having buoyancy and a spherical shape helps _to reduce the leaching of particles of the aquifer, increase the flow rate of water and improve the filtration capabilities of the well, however, this design does not provide and does not allow the replacement of granular material and filter removal with the purpose of its replacement, which, ultimately, leads to irreversible failure of the well.

Цель изобретения - продление срока службы скважины путем обеспечения возможности замены фильтрующего элемента.The purpose of the invention is the extension of the life of the well by providing the possibility of replacing the filter element.

Поставленная цель достигается тем, что водозаборная скважина, включающая обсадную колонну и фильтрующий элемент, выполненный в виде обсыпанной снаружи гранулированным материалом трубы, часть которой перфорирована, снабжена размещенной над перфорированной частью трубы съемной заслонкой с окнами и примыкающей к нижней кромке перфорированной трубы ка-‘ мерьГс крышкой, при этом крышка снабжена обратным клапаном, а в стенках камеры выполнены окна.This goal is achieved in that a water well, including a casing and a filter element, made in the form of a pipe sprinkled with granular material on the outside, part of which is perforated, equipped with a removable shutter with windows located above the perforated part of the pipe and adjacent to the lower edge of the perforated pipe lid, while the lid is provided with a check valve, and windows are made in the walls of the chamber.

901420 4901420 4

Целесообразно в предлагаемом устройстве обратный клапан выполнять в виде штока с упором и пружиной и размещенной под ними тарелкой с отверстием. 5It is advisable in the proposed device, the check valve is made in the form of a rod with a stop and a spring and a plate with a hole placed under them. 5

Кроме того; в предлагаемом устройстве на штоке насажен крепежный элемент, верхняя часть которого выполнена с конусообразной расточкой, на которой выполнена резьба. 10 • На фиг,.1 изображен продольный разрез водозаборной скважины; на фиг.2 узел I на фиг.1.Moreover; in the proposed device, a fastener is mounted on the rod, the upper part of which is made with a cone-shaped bore, on which the thread is made. 10 • Fig. .1 shows a longitudinal section of a water well; in Fig.2 node I in Fig.1.

Водозаборная скважина 1 для работы совместно с заполняющим зафильтровое 15 пространство слоем пловучего материала а виде гранул пенополистирола 2 содержит обсадную колонну труб 3 и фильтр 4 в виде паФрубка с фильтровальными отверстиями 5, над которыми ₂₀расположены промывочные окна 6.A water well 1 for working together with a layer of buoyant material filling the filter space 15 and in the form of polystyrene foam granules 2 contains a pipe casing 3 and a filter 4 in the form of a pipe with filter holes 5, above which ₂₀ washing windows 6 are located.

Помимо этого, скважина 1 снабжена съемной заслонкой 7 и рабочей камерой 8, расположенной ниже фильтровальных ]$ отверстий 5 и изолированной от полости фильтра 4 при помощи крышки 9с вмонтированным в нее обратным кпапаномIn addition, the well 1 is equipped with a removable shutter 7 and a working chamber 8, located below the filter] holes $ 5 and isolated from the cavity of the filter 4 by means of a cover 9 with a check valve mounted in it

Камера 8 соединена нижними про- jg мывочными окнами 1 1 с зафильт(ровым пространством,соединенным с надфильт₍.. ровым пространством скважины 1 верхними промывочными окнами 6, перекрываемыми съемной заслонкой 7« 35The chamber 8 is connected by lower washing windows 1 1 to the filter (flat space connected to the filter ₍ .. flat space of the well 1 by upper washing windows 6, blocked by a removable shutter 7 "35

Съемная 'заслонка 7 с резиновыми уплотняющими манжетами 12 посажена на упорное колько 13.A removable 'shutter 7 with rubber sealing cuffs 12 is mounted on a persistent number 13.

Обратный клапан 1Q для закачки гранул пенополистирола. 2 в зафильтровое р пространство и спуска и извлечения фильтра 4 имеет корпус 14, шток 15 и пружину .16 сжатия.Check valve 1Q for the injection of polystyrene granules. 2 into the filter space and the descent and extraction of the filter 4 has a housing 14, a rod 15 and a compression spring .16.

Корпус 14 имеет в верхней части крепежный элемент с конусообразной 45 расточкой с резьбой· 17 (.для соединения сО штуцером бурильной трубы) сквозное вертикальное отверстие 18, а снизу - горизонтальную тарелку 19 с отверстием 20 для прохода што“ ка 15 <·The casing 14 has a fastener in the upper part with a taper 45 bore with a thread · 17 (.for connecting with the drill pipe fitting) through vertical hole 18, and from the bottom - a horizontal plate 19 with a hole 20 for passage 15 “

Шток 15 в виде заглушенного снизу патрубка помещен с возможностью продольного перемещения в сквозное -55 отверстие 18 и имеет на наружной поверхности кольцевой упор 21 и расположенные выше него отверстия 2.2,The rod 15 in the form of a pipe muffled from below is placed with the possibility of longitudinal movement in the through -55 hole 18 and has an annular stop 21 on the outer surface and openings 2.2 located above it,

Пружина 16 сжатия установлена между тарелкой 19 и упором 21 штока 15°A compression spring 16 is installed between the plate 19 and the stop 21 of the rod 15 °

Водозаборная скважина работает следующим образом.Water well works as follows.

После установки фильтра 4 производят закачку гранул пенополистиро* ла 2 в зафильтровое пространство, причем работа производится в следующей последовательности. Бурильные трубы, соединенные резиновыми шлангами с полистиролопитателем, ввинчивают штуцером в конусообразную расточку с резьбой 17 корпуса 14 обратного клапана 10, шток 15 отжимает кольцевой упор 21, в результате чего открываются отверстия 22„ ъAfter installing the filter 4, the granules of polystyrene * 2 are pumped into the filter space, and the work is performed in the following sequence. Drill pipes connected with rubber hoses to a polystyrene feeder are screwed into a cone-shaped bore with a thread 17 of the body 14 of the check valve 10, the rod 15 pushes the ring stop 21, as a result of which openings 22

При помощи грязевого насоса через, бурильные трубы производится прямая промывка скважины 1 чистой водой. Гранулы пенополистирола 2 подхва- . тываются потоком “воды и транспортируются по бурильным трубам через отверстия 22, а затем через нижние промывочные окна 11 в зафильтровое пространство,, После закачки гранул пенополистерола 2 колонну бурильных труб вывинчивают, пружина 16 сжатия прижимает кольцевой упор 21, перекрывая отверстия 22.Using a mud pump through the drill pipe, a direct washing of the well 1 with clean water is performed. Expanded polystyrene granules 2. They are pulled by a stream of water and transported through the drill pipes through holes 22, and then through the lower flushing windows 11 into the filter space, After injecting polystyrene foam granules 2, the drill pipe string is unscrewed, the compression spring 16 presses the ring stop 21, blocking the holes 22.

Извлечение фильтра 4 из скважины 1 с целью замены производится следующим образом.Removing the filter 4 from the well 1 for the purpose of replacement is as follows.

Сначала извлекают съемную заслонку 7, в результате чего открываются верхние промывочные окна 6. Затем подсоединяют бурильные трубы штуцером к конусообразной расточке с резьбой 17 обратного клапана 10 и грязевым насосом производят прямую промывку скважины чистой водой через нижние промывочные отверстия 11. Плавающая ' обсыпка из гранул пенополистирола 2 вымывается·через верхние промывочные отверстия 6 на поверхность, освобождая. пространство между фильтром 4 и водовмещающими породами. Фильтр 4 извлекают одновременно с промывкой. В случае кальматации гранул пенополистирола фильтр промывают горячей водой или продувают паром. Гранулы пенополистирола под воздействием горячей воды или пара вспениваются и: резко уменьшают предел прочности, в результате чего обсыпка из гранул становится ослабленной зоной, и фильтр легко извлекается из скважины.First, the removable shutter 7 is removed, as a result of which the upper flushing windows are opened 6. Then the drill pipes are connected by a fitting to a conical bore with a thread 17 of the check valve 10 and the mud pump direct flushing of the well with clean water through the lower flushing holes 11. Floating 'sprinkling of polystyrene foam pellets 2 is washed · through the upper washing holes 6 to the surface, freeing. the space between the filter 4 and the water-bearing rocks. Filter 4 is removed at the same time as washing. In case of granulation of polystyrene foam granules, the filter is washed with hot water or blown with steam. Expanded polystyrene granules under the influence of hot water or steam foam and: sharply reduce the tensile strength, as a result of which sprinkling of granules becomes a weakened zone, and the filter is easily removed from the well.

Внедрение в производство водозаборных скважин предлагаемой конструкции, обеспечивающей сменность фильтра и замену гранулированного материала обсыпки, позволяет значительно 5 повысить их долговечность.The introduction of the proposed design into the production of water wells, which provides filter interchangeability and the replacement of granular dusting material, allows 5 to significantly increase their durability.

Особенно актуальным становится вопрос внедрения в производство пенополистирольных фильтров со съемной заслонкой в настоящее время в связи ¹⁰с переходом к освоению водоносных горизонтов,.залегающих на глубинах от 600 до 1000 м. Стоимость одной такой водозаборной скважины составляет от 150-200 тыс. руб,, следо- ¹5 вательно, решение проблемы сменности фильтра имеет первостепенное народнохозяйственное значение.Especially relevant is the issue of implementation in the production of polystyrene foam filter with removable flap now in connection with the transition to the ¹⁰ development aquifers .zalegayuschih at depths ranging from 600 to 1000 m. The cost of one such water well is between 150-200 thousand. Rub ,, sledo- ^{May 1} quently, the solution shifts the problem of the filter is of paramount economic importance.

Ожидаемый экономический эффект от внедрения предлагаемого изобретения в20 в, пределах деятельности составляет до 230 тыс.руб» в год.The expected economic effect of the introduction of the proposed invention at 20, the range of activities is up to 230 thousand rubles "per year.

Claims

The invention relates to intake artesian wells and can be used in water supply systems. The main working part of water wells are filters, and durability, quality and efficiency of their operation depend on them. The closest to the proposed technical essence and the achieved effect is a water well, which includes a column and a filter element made in the form of a pipe sprinkled with granulated material from the outside, part of which is perforated With 11, Filling the well-receiving part of the well with spherical shape , contributes to reducing the leaching of particles of the aquifer, increasing the water flow rate and improving the filtration capacity of the well; however, this design does not provides for and does not allow the replacement of granular material and the removal of the filter in order to replace it, which ultimately leads to irreversible well failure. The purpose of the invention is to extend the life of the well by allowing the replacement of the filter element. The goal is achieved by the fact that a water well, including a casing and a filtering element, made in the form of a granulated material sprinkled from the outside of the pipe, a part of which is perforated, is provided with a cover placed above the perforated part of the pipe This cover is equipped with a check valve, and the windows are filled in the chamber walls. 39 It is advisable in the proposed device to carry out a check valve in the form of ujTOKa with an abutment and a spring and a plate with an aperture located under them. In addition, in the proposed device, a fastener is mounted on the rod, the upper part of which is made with a tapered bore, on which the thread is made,. FIG. 1 shows a longitudinal section of a water well; FIG. 2 node I in FIG. 1. Water well 1 for work together with a layer of pilaf filling the filter npocTpaticTGo | its material in the form of expanded polystyrene granules; 2 contains a casing of pipes 3 and a filter in the form of a nozzle with filter holes 5, above which the washing windows 6 are located. well 1 is equipped with a removable damper 7 and a working chamber 8 located below the filter holes 5 and insulated from the filter cavity by means of a cover 9 with a reverse injected into it. Chamber 8 is connected by lower flushing windows 11 with a filter space connected with NADP roey, m borehole space 1 over. them with flushing windows 6, overlapped with a removable damper 7; Shift valve 7 with rubber sealing cuffs 12; mounted on the support arm 13; Return valve 19 for injection of naked polystyrene foam; 2) the space and descent and removal of the filter has a housing 1, a rod 15 and a spring, 16 squeeze. The housing 14 has in the upper part a fastener with a tapered bore with a thread 17 (for connecting the drill pipe fitting to it) a through vertical hole 18, and a horizontal plate 19 with a hole 20 for the passage of the rod 15о from below. the longitudinal movement into the through hole 18 and has on the outer surface an annular stop 21 and the openings 22 spaced above it, the compression spring 1b is installed between the plate 19 and the stop 21 of the rod 15 The water well works as follows After installation of the filter k, polystyrene foam 2 granules are pumped into the filter space, and the operation is carried out in the following sequence: Drill pipes connected by rubber hoses with polystyrene foam are screwed into the cone-shaped boring with thread 17 of body 14 of the check valve TO, rod 15 squeezes the annular abutment 21, as a result of it, the openings 22 "are opened. With the help of a grease pump through the drill pipes, a direct flush with pump 1 with clean water is performed. The expanded polystyrene granules 2 are picked up by a stream of water and transported through the drill pipe through the holes 22 and then through the lower wash holes 11 into the filter space. filter 4 from well 1 for replacement is performed as follows. First, the removable valve 7, 8 is removed, causing the upper flushing windows 6 to be opened. Then the drill pipes are connected to a cone-shaped bore with a thread 17 of the check valve 10 and the straight-flushing of the well with clean water through the lower flushing holes 11 with a mud pump. Floating dusting from the polystyrene granules 2 is washed away through the upper washing holes b to the surface, freeing the space between the filter k and aquiferous rocks. Filter 4 is removed simultaneously with flushing. In the case of the granulation of penstyrene granules, the filter is washed with hot water or blown with steam. Expanded polystyrene granules under the influence of hot water or steam foams and: drastically reduce the tensile strength, as a result of which the dusting of the granules becomes a weakened zone, and the iltr is easily removed from squash. 5 The introduction into production of water wells of the proposed design, which ensures the changeability of the filter and the replacement of the granulated dusting material, makes it possible to significantly increase their durability. Particularly urgent is the issue of introducing polystyrene filters into production with a removable damper at present in connection with the transition to the development of aquifers lying at depths from 600 to 1000 m. The cost of one such water well is from 150-200 thousand rubles. It follows that the solution to the problem of filter shift is of paramount national importance. The expected economic effect on the implementation of the proposed invention within the limits of activity is up to 230 thousand rubles per year. Claims 1. A water well comprising a casing and a filter element made in the form of a pipe sprinkled with outside granular material 0, part of which is perforated, which in order to extend the life of the well by allowing the filter element to be replaced, the well provided with a removable damper with windows placed above the perforated part of the pipe and a chamber with a lid adjacent to the lower edge of the perforated pipe), while the lid is equipped with a check valve and in the wall Camera made windows.

2. A well, according to claim 1, about tl and h and fen sch and so that the check valve is made in the form of a rod with a stop and a spring and a plate with a grating placed under them. 3-Borehole 1 and 2, which is equipped with a volume mounted on the stem fastening element, the upper part of which is made with a cone-shaped bore, with a thread on the bore. Sources of information taken into account in the examination 1. USSR Author's Certificate (f 162060, class E 03 B 3/12, 1963.