The invention is intended for use in energy, construction and mining industries. Airlift contains stage. Receiving tank each stage, beginning with the second, provided by the vertical pipe. The lower end of the latter communicates with the cavity of the inlet tank. The upper end of the vertical pipe communicated through the throttle device to the atmosphere. The height of each vertical pipe is always greater than the height of the riser pipe of the preceding stage. The lower ends of the vertical pipes of the first two or three stages are located on the same horizon. Provides manual lifting water from shallow scoops, reduced energy costs on the rise of one unit fluid. 1 Il., table 1. The invention relates to a device for lifting the fluid to the surface from underground utilities with limited recesses in the area of water collection, namely the multi-stage airlift, and can be used in energy, agriculture, metallurgy, construction, mining and other industries.Known low-pressure water lift , containing fence, pressure and gas pipes, the work is GEOBRASIL channel, informing the bottom area of the inner Cup and the annular cavity between the glasses. The disadvantage of this device is the cyclical nature of its work, and in case of small cavities intake pipe must have device for one-way passage of fluid, which reduces the cost, complicates the conditions of maintenance and operation of the lift.Known lift-phase medium , containing the reservoir, coaxial tubes mounted one within the other with the formation of the annular channel, the bottom of which is placed in the tank and is equipped with a ring mixers connected to the source of the active medium. The disadvantage of this lift is to reduce the effectiveness of its work as emptying the tank and lower it to the level of a liquid medium.Known multi-stage pneumatic water lift , which contains a working camera with the suction holes, the discharge piping connected with cameras, and installed sequentially, one after another, air piping connected to the pressure source, while the working chamber is provided with the intakes, made in the form of cylinders with check valves.This solution allows you to pump in which operates in a cyclic mode, requires additional service distribution device, and a system of valves and membranes.Closest to the claimed invention is a multi-stage airlift , containing steps, each of which is executed in the form of a riser pipe with a mixer and air-purge drum with a storage capacity associated using a top-down pipe with receiving tank next level.However, the airlift has inherent adopted design drawbacks, such as difficulties with pumping water from shallow water collectors installed in hard to reach for their development and deepening of places, and incomplete provision of devices for smoothing down the pipelines of water level fluctuations, which leads to waste of energy and, as consequence, to decrease in efficiency of the whole plant in General. Additionally, the prototype for automatic distribution of compressed air into the steps of the airlift is not provided visual or other monitoring and adjustment of operating modes, which complicates the conditions of operation and maintenance.The technical effect of the offer from the bones of drains with small depths. This effect is achieved in that the receiving tank at each stage of the airlift, starting with the second, provided with a vertical pipe, the lower end of which is communicated with the receiving cavity of the tank, and the upper end, through the throttle device, with the atmosphere and the height of each vertical pipe is always greater than the height of the riser pipe of the preceding stage, and the lower ends of the vertical pipes of the first two or three stages are located on the same horizon, and the lower ends of the vertical pipes of the other subsequent steps on another constant horizon, for all levels comply with the terms of the constancy of the coefficient of lift of hydroaromatic, that is, kz=hP1/hç1=hP2/hç2=......=hp/hzi, (1) where kz- coefficient of lift hydroaromatic; hp- lifting height of liquid i-th step, i.e. the difference in the geometric marks the top end of the i-th of the riser pipe and the water level in the i-th vertical pipe, and for the 1st level in the sump, m; hzi- the amount of penetration of the i-th step, i.e. the difference in the geometric elevations of the water level in the i-th vertical pipe and the horizon of the upper tier aerating nozzles in the i-th mixer, starting with the second, but for the 1st Stratulat of the invention is expressed in the providing step of lifting fluids from shallow scoops equal for all steps given specific costs aerating air to create hydroaromatic, in the damping of the amplitudes of the pulsations of the water flow, which reduces wasteful energy consumption on the rise of one unit fluid, as well as the ability to perform visual or other control efficiency of each stage.Generally, the proposed multistage air lift pump is designed for pumping liquids or solids from flooded drains, infiltra galleries, underground canals, etc., to a height of not more than 10-25 m And, in most cases, the lowest point of the catchment (natural depression, a sump, a longitudinal gutter and so on) is removed from the vertical drift, leaving the surface, and, for a number of reasons, there is no possibility to perform the necessary deepening at the point of the catchment. Therefore, the underlying assumption in the calculation of the airlift is available depth at the point of the catchment area N, which is typically 0.3-0.5 m, depending on the design of the intake and mixer, the estimated penetration of the 1st stage of the airlift hç1will be slightly less disposable depth of the sump H, but it ultimately is the starting point for hydraulic calculation of multi-stage airlift.Empirically poster installation of the airlift for the range of his proizoditelnostyu dependence of the form:= akinz, (2) where- the results of the specific air consumption for a range of the above performance on the water, nm3/m3; kz=hp/hC- coefficient of lift airlift; hpthe experimental height of the riser pipe above the surface of the water (hp=0,15-1,66 m);
hC- the amount of penetration to allow the head from a free water surface to the top tier aerating nozzle mixer (hC=0,2-0,4 m);
and the empirical coefficients (a=7,2-15,5; in=1,05-1,25).According to  ,  (for airlifts with unlimited depth) and content of bench tests (for airlifts with limited depth) determined that the most effective operation of the airlift is observed when kz= 0.5 to 1.0.For each situation the constructive arrangement of the steps of the airlift is performed individually, but with all the diversity the implementation of this technical solution, the determining factors are how the selected link when the level of water the first steps of the shallow of jumptv and effective damping of the pulsations of costs in subsequent stages of the ascent.In the constructive don't think about for the first stage does not exceed 55-70 mm, and in the upper part of the lifting tubes protrude above the bottom of storage tanks 25-30 mm, All this ensures a reliable one-way flow of hydroaromatic in each stage.For tracking and visual observations of the fluctuations in vertical pipes as an alternative solution can serve as a glass of water measuring tube length of 0.5-1.0 m, and as a throttle device of the air valve on the removable cover each vertical pipe, under the cover can be installed in the air space inside the upper part of the vertical pipe adjustable volume, in the form of glasses, to configure a particular stage under its own anticastro hesitation.The drawing shows a diagram of the multi-stage airlift, longitudinal section. Airlift contains steps, each of which is made in the form of the lifting tube 1 with 2 mixers and vozduhoohladiteli 3 cumulative 4 tanks connected by means of the descending pipes 5 with receiving tank 6. Catch basins 6, starting from 2-tier provided by the vertical pipes 7 with throttle device 8. Each mixer 2 summed up the pipes 9 from the remote distribution of compressed air 10.The entire multi-uh the Ah 6 are located on the same horizon, while the coefficients of the rise of kzall levels are equal. Groups of interconnected horizontal conduits 11, with group 1 consisting of 2-3 degrees, placed directly in the sump 12 (sump, ditch, deepening, and so on), located at the lowest elevation of dewatering structures.Multi-stage airlift operates as follows. From the remote distribution of compressed air 10 through pipelines 9 serves compressed air with the appropriate parameters for each stage, and then in the mixer 2 is formed hydrogenosomes, which moves upward on lifting pipes 1, deaeribed in vozduhoohladiteli 3 and later in solid phase, through the accumulation tank 4 and downstream piping 5 is fed into the receiving tank 6. Foster tanks for the first stage is the sump 12 depth N.As it is filled treads water in the water glass (not shown) of the vertical pipes 7 by changing the air supply index levels of the pillars of the liquid corresponding to the calculated hç1hç2hsand so on, and adjustable throttle device 8 extinguish unwanted oscillatory processes. After lifting hydroaromatic on proect is in the discharge conduits for subsequent transportation.Examples of the calculation of the multi-stage airlift below.Example 1. You must build a multi-stage airlift in a horizontal roadway (see drawing, group I) with a lifting height of water 1.6 m from the sump to the magnitude of penetration hç1=0,4 mFor different values of number of stages particle=1-7 by the method of successive approximations determine the magnitude of the increment of rise for each stephpassuming constancy of the coefficient of lift of kzin each combination of particle. Using the dependence (2) calculate the optimal consumption of air. The results of the calculations are shown in the table.Analysis of the calculated data shows that with increasing number of stages total consumption specific consumption of air decreases and asymptotically final layout after taking technical and economic calculations, taking into account the possibility of placing the group stages in the existing sump.Example 2. You want to determine the number of steps airlifting installation with kz= 1,0, consisting of two groups of stages, when the level of water at 10.0 m from the sump to the magnitude of penetration hz1 cumulative capacity at all levels is ignored.a) I group (the sump away from the vertical drift)
b) II-group levels (on the floor in the projection of the vertical drift)
C) the total height of the liquid airlifting installation is hP5+hç5= 10,8 m, that is, to solve the problem is rather five of airlift or particle=5.Thus, the proposed design of multi-stage air pump allows you to pump out the fluid drains with small depths with pre-specified cost, and the available control modes each stage improves the conditions of operation.Currently, Krasnoyarsk CHP-2 developed detailed documentation of the multi-stage airlift and is alternately snap Paciornik water.Sources of information
1. Low-pressure water lift. N. In. Lisovsky. USSR author's certificate 1712670, CL F 04 F 1/12, application 4782735/29 from 04.12.89,2. Lift the two-phase environment. G. M. Maslov. Patent of the Russian Federation 2002126, CL F 04 F 1/00, application 4834892 from 05.06.90,3. Multistage pneumatic water lift. B. C. Wojciechowski and other Patent of the Russian Federation 1831591, CL F 04 F 1/12, application 5023728/29 from 05.09.91,4. Multi-stage airlift. C., Geyer, and other USSR Author's certificate 909346, M CL3. F 04 F 1/18, application 2820113/25-06 from 24.09.79,5. Smondyrev A. E. Hydro - and pneumatic transport in metallurgy. - M.: Metallurgiya, 1985 - 280 S.: ill.6. Tsiklauri D. C. Hydraulics, agricultural water supply and hydropower installation. - M.: Stroiizdat, 1970. - 256 S.: ill.
Multi-stage airlift containing steps, each of which is executed in the form of a riser pipe with a mixer and air-purge drum with a storage capacity associated using a top-down pipe with receiving tank subsequent stage, wherein the receiving tank each stage, beginning with the second, provided with a vertical pipe, the lower end of which is communicated with the cavity priemnoi always greater than the height of the riser pipe of the preceding stage, moreover, the lower ends of the vertical pipes of the first two or three stages are located on the same horizon, and the lower ends of the vertical pipes of the subsequent steps is another constant horizon, for all levels comply with the terms of
where kz- coefficient of lift hydroaromatic;
hni- lifting height of liquid i-th stage, i.e., the difference in the geometric marks the top end of the i-th of the riser pipe and the water level in the i-th vertical pipe, m;
hn1- lifting height of liquid 1-th stage, i.e., the difference in the geometric marks the top end of the 1st riser pipe and the free surface of the water in the sump, m;
h3i- the amount of penetration of the i-th stage, i.e., the difference in geometric elevations of the water level in the i-th vertical pipe and the horizon of the upper tier aerating nozzles in the i-th mixer, m;
h31- the amount of penetration of the 1st stage, i.e., the difference in geometric levels of free water surface in the sump and the horizon of the upper tier aerating nozzles in the mixer 1-th stage, m;
i= 2, 3, 4, . .. - ordinal levels, are equipped with vertical pipes.
FIELD: dewatering of reservoirs and depressions to be empties.
SUBSTANCE: proposed water lifting device contains lifting, suction and air delivering pipes and mixing chamber with inclined nozzle holes uniformly spaced over circumference of inner cup of mixing chamber. Axes of holes are generative of one-nappe hyperboloid of rotation. Suction branch pipe is furnished with hood head made in form of truncated cone with larger base pointed downwards and attachment of smaller base to end face of suction branch pipe. Vertical trapezoidal plates are installed on inner surface of hood head tangentially to cylindrical part of suction branch pipe in direction of circular inclination of axes of mixing chamber nozzle holes. Smaller bases of trapezia are arranged over outer perimeter of head.
EFFECT: enlarged sphere of application.
FIELD: oil industry.
SUBSTANCE: device has oil-lifting column, which is combined with space inside casing string and is provided with means for supplying compressed gas into hollow of oil-lifting column. Cover is concentrically positioned around oil-lifting pipe and is mounted with space relatively to inner surface of casing string. Oil column is made in form of a row of vertically and serially mounted gas-liquid ejectors with active ultrasound nozzle each and horizontal pipes for supplying compressed air to them. Cover is placed in lower portion of plant and is connected by at least three spreaders to upper portion of lower ejector, and means for supplying compressed gas is serially connected to separator, filter, vacuum pump and compressor.
EFFECT: higher efficiency and productiveness.
FIELD: decontamination engineering.
SUBSTANCE: proposed pump has housing, pulse line, inlet ball-and-socket valve with ball lift limiter, delivery pipeline with outlet ball-and-socket valve, and control system. Housing communicates with bottom nozzles through pipe and bottom-nozzles chamber that accommodates shaft provided with flap. Shaft is coupled through movable bearing assembly, gear wheel, and toothed rack with turn and immersion depth control actuator of bottom nozzles. Bottom end of inlet ball-and-socket valve seat has slots and mounts in addition spring with movable perforated rack. In addition housing may accommodate top pipe for its communication through ball-and-socket check valve with washing head that has nozzle and pipe union. Stop is mounted in bottom end of pipe union coaxially with respect to hole in check-valve ball lift limiter. Top part of washing head is joined with aid of actuating shaft through movable bearing assembly, gear wheel, and toothed rack with turn and angle-of-tilt control actuators of top nozzle.
EFFECT: enhanced reliability and safety in operation.
8 cl, 6 dwg
FIELD: decontamination engineering.
SUBSTANCE: proposed device has side pipe connection, working liquid feed chamber, drive shaft, and washing head with nozzle. Working liquid feed chamber that has drive shaft and washing head pipe union, both passed therein through packing assemblies, is mounted directly inside storage tank by means of pipeline joined with side pipe connection. Drive shaft is coupled through movable bearing assembly with nozzle tilt angle varying mechanism. It is also coupled through slotted joint, toothed gear, and toothed rack with nozzle turning mechanism mounted on washing head axle and through hinged link ,to external adjustable ring of bearing disposed on packing assembly.
EFFECT: enhanced reliability and safety in operation.
3 cl, 3 dwg
FIELD: chemical engineering.
SUBSTANCE: invention is designed for use in submersible pumps handling both liquids, suspensions and pulse of different density. Proposed pump contains housing, intake ball lift limiter, pulse line and pressure pipeline with discharge valve installed in zone servicing. Housing is divided by partition at least into two pulse chambers, each being furnished with intake ball valve, pulse line, pressure pipeline with discharge valve and separate air distributor with independed drive. Air distributors contain plungers connected with drive and to each other by means of equal-arm articulated lever installed on support. Pump is provided with programmable microcontroller to control operation of air distributor drives.
EFFECT: improved reliability of operation.
4 cl, 1 dwg
FIELD: oil industry.
SUBSTANCE: plant comprises pump chamber with sucking and pressure passages, pressure pipe with sucking valve that connects the space downstream of the pipe with the space of the pump chamber, and cable. The top section of the pump chamber made of cupola for spraying and burning fuel receives batcher of oxygen and unit for controllable frequency of igniting. One of the faces of the pressure pipe is sealed hermetically. The pump chamber together with the batcher and igniting unit can be mounted inside and/or outside the pressure pipe. The gas of the fluid is used in the pump chamber as a fuel.
EFFECT: enhanced reliability and reduced cost.
5 cl, 1 dwg
FIELD: chemical engineering, petrochemical and other industries.
SUBSTANCE: invention is designed for pumping and mixing of solution and suspensions. Proposed pump contains system to control operation of pump and nozzles communicating with-housing by means of pipe and chamber which accommodates shaft connected with drives to turn nozzles and change depth of their dipping. Housing is furnished with liquid level indicators, and air distributor is equipped with ejector. Valves are installed on pipelines delivering compressed air and vacuum from ejector to pulse line and compressed air to ejector. Control system is made for determining density of suspensions and it is furnished with personal computer, programmable microcontroller, electropneumodistributors and modes for communication with drives, valves and liquid level indicators.
EFFECT: enlarged operating capabilities, improved efficiency, safety and reliability in operation.
4 cl, 3 dwg
FIELD: pumping of fluid by direct contact of another fluid.
SUBSTANCE: pump comprises displacement chamber with sucking and pressure branch pipes having check valves, gas duct that is connected with the chamber and source of compressed gas, and ejector with active nozzle. The pressure branch pipe is connected with the pipeline provided with a check valve. The branch pipe is mounted in the displacement chamber that is provided with the nozzle for permitting it to be changeable for a plug. The gas duct is connected with the system for supplying and distributing compressed gas. The air distributor is provided with the ejector and stop valves provided with the quick-operating drivers. The drives of the stop valves of the pump is controlled by the electronic unit with programmable microcontroller and operator desk that are connected with the board circuit of the vehicle.
EFFECT: enhanced efficiency.
2 cl, 2 dwg
FIELD: equipment used for rising of water from wells and holes.
SUBSTANCE: pump has cylinder with bottom equipped with suction valve and filter, and head with inlet branch pipe connected to air pipeline, and discharge branch pipe connected to liquid pipeline and equipped with return valve, cycle frequency regulator formed as reservoir unbalanced on axis of rotation, and throughput-capacity regulator. Pipelines are positioned within casing. End of liquid pipeline is communicating with cycle frequency regulator. Pump is provided with compressor and vacuum pump, and free end of air pipeline is connected with discharge branch pipe of compressor and simultaneously with inlet branch pipe of vacuum pump. Cylinder is formed from pipe length whose outer diameter is 1.1-1.17 of inner diameter of casing. Reservoir of cycle frequency regulator is positioned above reservoir of storehouse. Throughput-capacity regulator is connected to reservoir of cycle frequency regulator and is made in the form of valve with division scale or without it, or in the form of shutter with division scale or without it.
EFFECT: increased efficiency and improved operating conditions.
2 cl, 2 dwg
FIELD: pump engineering.
SUBSTANCE: pump has cylinder with bottom provided with sucking valve and filter, head with the outlet branch pipe connected with the air pipeline, and outlet branch pipe connected with the liquid pipeline by means of weld or thread and provided with a check valve. The pipelines are mounted in the casing tube. The free end of the liquid pipe line is in communication with the vessel of the regulator of the cycle frequency. The pump is provided with compressor and vacuum pump. The cylinder is made of a section of the casing tube that receives the pipelines. The free end of the air pipeline is connected with the outlet branch pipe of the compressor and with the branch pipe of the vacuum pump.
EFFECT: enhanced efficiency and improved operation conditions.
1 cl, 2 dwg