Laboratory complex for sampling and gas chromatographic analysis of air samples
FIELD: testing equipment.
SUBSTANCE: invention is designed for sampling and precise comprehensive assessment of pollution of air samples (from air supplied into a system of aircraft pilot cabin conditioning), sampled from a compressor of a gas turbine aviation engine (GTE) during its bench testing, and further gas chromatographic analysis of samples for content of hazardous admixtures. A laboratory complex for sampling and gas chromatographic analysis of air samples includes a complex of air sampling 6 with a unit of samplers 7 and a control panel 8, a complex for gas chromatographic analysis of air samples 3 with a control panel 4, a package 9 for transportation of adsorption packets 10 and a container 11 for storage of concentrators 12. The laboratory complex is also equipped with plants for supply of gases 5, pumping of calibrating gas mixture 2 and definition of working volumes of a vacuumised part of the item 1. At the same time the plant for supply of gases 5 is simultaneously connected with the plant for pumping of the calibrating gas mixture 2 and with the complex of gas chromatographic analysis of air samples 3, and the plant for definition of working volumes of the vacuumised part of the item 1 is connected with the complex of air sampling 6.
EFFECT: improved operational properties, provision of sampling and precise comprehensive assessment, total error of measurement of pollution of air samples from a GTE compressor under bench testing, higher quality of indirect control of oil seals used in supports of the GTE compressor rotor.
The invention relates to the field of bench testing of aircraft gas turbine engines and is designed for the selection and accurate comprehensive assessment of contamination of air samples (supplied in an air conditioning system of the cockpit of an aircraft)taken from the compressor of a gas turbine aircraft engine (GTE) in bench trials, and subsequent gas chromatographic analysis of samples for the presence of harmful impurities.
The complex system of sampling, including the booth for sampling air with remote and hub system for chromatographic analysis of air samples, containers for transportation of adsorption package and storage container hubs .
This complex is the closest to the invention to the technical essence and the achieved result and accepted by the applicant as a prototype.
The disadvantage of this complex is its low performance due to inaccurate comprehensive assessment, the total measurement error of up to 20%, contamination of sampling air from the compressor of the CCD in bench trials, as well as the quality of indirect control used in the bearings of the compressor rotor GTE oil seals.
The technical result of the proposed invention the improved performance, about the provisions for the selection and accurate comprehensive assessment, the total measurement error up to 5%contamination of samples air from the compressor of the CCD bench, testing, and improving the quality of indirect control used in the bearings of the compressor rotor GTE oil seals.
This technical result is achieved by the fact that laboratory complex for sampling and gas chromatographic analysis of air samples, including complex sampling air block samplers and remote control system for gas chromatographic analysis of air samples, containers for transportation of adsorption package and storage container hubs, it is equipped with installations for gas supply, pumping calibration gas mixtures and determination of displacements vacuumized part of the product, and installation for gas supply at the same time connected with the installation of pumping calibration gas mixtures and complex gas chromatographic analysis of air samples, and installation of the definition of business volumes vacuumized part of the product associated with the complex sampling of air.
The essence of this invention is illustrated by a diagram (figure 1) and drawings
where: figure 2 - shows the complex for gas chromatographic analysis of air samples with a remote control;
figure 3 - installation for gas supply;
4 is a system for sampling air with remote control
figure 5 - installation for pumping the calibration gas mixture (ASG);
6 is a device for determination of displacements vacuumized portion of the product;
Fig.7. a container for storing hubs and packagings for the transportation of adsorption packages;
Fig - sampler with adsorption service and the hub.
Laboratory complex consists of the following parts:
- setup for determination of displacements vacuumized part of the product 1;
- installation for pumping ASG 2;
complex gas chromatographic analysis of air samples 3, remote control 4;
- installation for gas supply 5;
a system for sampling air 6, consisting of: block samplers 7 and the control unit 8;
- Tara 9 for transporting the adsorption of packages 10;
container 11 for storing the hub 12;
- sampler 13.
Installation for gas supply 5 simultaneously connected with the installation of pumping a mixture of (ASG) 2 and complex gas chromatographic analysis of air samples 3 and install the determination of displacements vacuumized part 1 associated with complex sampling air 6.
The laboratory complex is open as follows:
to measure vacuumized (measured) parts of the block samplers-7 complex for sampling air 6 connecting to an apparatus for ODA is dividing the working volume vacuumized part 1 (6) through the nozzle 18 of the vacuum pump and the fitting 19 vacuumized frequent block samplers-7 complex for sampling air 6. To close the valve 20. Pour into the tank 26 through the fitting 28 at an open valve 22 and the closed valve 23 of the measuring liquid. Pour into the measuring cylinder 14 and the pipe 15 connected to the device for determination of displacements vacuumized portion 1 through the nozzle 21, a measuring liquid in sufficient quantity to lower the pipe 15 into the measuring cylinder 14, if necessary, add fluid into the measuring cylinder 14 to the desired level. To close the valve 22 and valve 23 and 24 to open, creating a vacuum using the remote control 8, controlling the set pressure on the gauge 25. Having obtained the required vacuum in the system, close the valve 24 and turn off the vacuum pump, to withstand a certain time and record the pressure on the gauge 25. To open the valve 20 and over time to fix the vacuum but the vacuum gauge 25 and the liquid level in the measuring cylinder 14 while filling the tank 26 but the gauge 27. The liquid level in the measuring cylinder 14 will fall below the original, and in the tank 26 to rise due to the exhaustion, until the atmospheric pressure acting on the liquid in a measuring cylinder 14, are balanced with the pressure above the liquid in the tank 26. Next, open the valve 22, to restore atmospheric pressure in the system through the fitting 28. To close the valve 22 and zafiksirovat the ü the level of the measuring liquid (source) in a measuring cylinder 14. To close the valve 20. Disconnect the device for determination of displacements vacuumized part 1 from block samplers-7 complex for sampling air 6.
Next, place and connect the unit samplers 7 directly on the test bench at the place of sampling air from the compressor of the CCD and install adsorption packages 10 in the samplers 13 block samplers 7, and the control unit 8 on the workplace of the operator. To take samples of the air from the compressor at different modes of operation of the CCD according to the technical documentation, managing the process from the control panel 8. After completion of the sampling process to extract the adsorption packages 10 of samplers 13 and place them in a container 9 for transporting the adsorption of packages 10. Move the container 9 to the laboratory for gas chromatography analysis.
To connect to the installation for gas supply 5 complex gas chromatographic analysis of air samples 3, which consists of two chromatograph with a flame ionization detector (PID) and one detector, thermal conductivity (RTA) and pulled up to the chromatographs with the PID through the preparation of gases (BIT) gases helium, air, and hydrogen, using a remote control gas supply system 4, and to the chromatograph with an accident - helium, controlling the process with control panel installation for gas supply. On the involved in the installation for gas supply 5 installation for pumping. ASG 2 and to bring to it the calibration gas mixture, controlling the process with control panel installation for gas supply. To calibrate the chromatograph complex gas chromatographic analysis of air samples 3 according to the technical documentation. During calibration of the chromatograph with an accident to use the installation for pumping the ASG 2, according to the technical documentation. Remove the hub 12 of the adsorption of packages 10 and place them in the container 11 for storing hubs. Next, using the complex for gas chromatographic analysis of air samples 3, remote control 4 and the hub 12 to measure concentrations of harmful impurities in the samples of air according to the technical documentation. Further to perform the data processing on the computer using special software.
The use of this invention will improve the performance of the complex, to provide for the selection and accurate comprehensive assessment of contamination of air samples from the compressor GTE in bench trials, as well as to improve the quality of indirect control used in the bearings of the compressor rotor GTE oil seals.
Sources of information
1. Magazine "Motor" №3 (27) "New tools for monitoring the composition of the atmosphere of aircraft. P.15-17, 2003 - the prototype.
The laboratory is Torno complex for sampling and gas chromatographic analysis of samples of air, including a range of air sampling unit sampling and remote control system for gas chromatographic analysis of air samples, containers for transportation of adsorption of the packages and the container for storage hub, characterized in that it is equipped with installations for gas supply, pumping calibration gas mixtures and determination of displacements vacuumized part of the product, and installation for gas supply at the same time connected with the installation of pumping calibration gas mixtures and complex gas chromatographic analysis of air samples, and installation of the definition of business volumes vacuumized part of the product is associated with a set of air sampling.
SUBSTANCE: apparatus for determining working volumes of an evacuated part of an article, having a rectangular frame 1, faced by vertical and horizontal walls 2, inside of which there is: a tank 3 with a filling indicator 4, a vacuum metre 5, pointed needle valves 6, 7, 8, 9. The filling indicator 4 of the tank 3, the indicator of the vacuum metre 5 and handles for controlling the pointed needle valves 6, 7, 8, 9 come out on a front vertical control panel, which is the vertical wall 2. The left-side vertical wall 2 is fitted with a nozzle 10 for connecting pipes from a vacuum pump and a nozzle 11 for the connected measured (evacuated) article. The right-side lateral vertical wall 2 is fitted with a nozzle 12 for feeding measurement liquid and a nozzle 13 for feeding air from the atmosphere. The measurement liquid is fed to the apparatus from a standard measurement cylinder (flask) 14, placed on the right side of the apparatus by a pipe 15. There is a handle 16 for moving the apparatus in the top horizontal wall 2. Component parts of the apparatus are connected by detachable pipes made from stainless steel 17.
EFFECT: providing quality and accurate determination of active volumes of the evacuated part of any article, including an article having irregularly shaped pipes for connecting component parts.
SUBSTANCE: system for automatic control and regulation of industrial and environmental safety of emissions of harmful vapours and gases of acidic and alkaline nature after safety valves in an emergency situation has a device for collecting and condensing the gas-vapour phase, which has a vapour ejector and a container with a central perforated tube. The system further includes: a unit for monitoring emergency situations, having a chromatograph and a device for automatic sampling of gas from a receiving tube, a valve for feeding water vapour into the vapour ejector, for intake of harmful vapours and gases from the receiving tube into a device for neutralising harmful vapours and gases. The device for neutralising harmful vapours and gases is in form of a container with nominal diameter (Du) 400 mm with a central perforated tube with Du 250 mm with openings F 2-3 mm. The container has an elliptical bottom and three nozzles: an upper nozzle for an air vent with a flame arrester at the end; a middle nozzle for periodically feeding aqueous solution of the neutralising substance into the device for neutralising harmful vapours and gases; a lower nozzle for releasing the reacted neutralisation product through a control valve into the intermediate vessel of a water-contaminant separator, where there is a level metre, from which said mixture is periodically pumped for recycling by a pump.
EFFECT: reduced environmental pollution by emissions of harmful gases and vapours of acidic or alkaline nature after safety valves in emergency situations through neutralisation thereof.
7 cl, 1 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to research of , for example, hydrogen, deuterium, helium, etc, in megabar pressure range. Proposed device comprises charge of cylindrical explosive 2 surrounding case 2 with chamber 3 for analysed gas accommodating extra cylindrical shell 4. thus, two coaxial chambers A and B are made in said device. Said chambers can be sealed. Metal cylindrical rod 8 electrically isolated from case elements is arranged in the device along axis of chamber 3. Said rod allows registering, apart from mean density, electric conductivity of quasi- isentropically compressed gases in one experiment.
EFFECT: reduced cumulation of energy nearby device axis, practically uniform pressure distribution at maximum gas compression.
2 cl, 3 dwg
SUBSTANCE: bed gas pressure gradient is measured in a payout bed of a well. A depth sample of bed gas is taken from this payout bed. Density of bed gas is determined according to the pressure gradient, as well as its weight in the selected sample according to sampler's volume. The depth sample is processed to release gas components from it. Using the produced processing data, weight of components in the taken sample is identified. Based on the difference of weights referred to volume of gas components it is decided on content of condensate in bed gas.
EFFECT: improved accuracy of survey.
3 cl, 1 tbl, 2 dwg
FIELD: oil and gas industry.
SUBSTANCE: crude oil investigation device (PVT) includes high pressure vessel of variable volume, which includes mixing device and measuring instruments recording working volume of vessel, temperature and pressure in it. Mixing device is equipped with magnetic mixer consisting of two annular magnets. At that, lower end of external magnetic ring - annular rotor is connected to folding spring mixer. Spring mixer has the shape of flat band spring along the diameter equal to inner diameter of vessel, which allows mixing the whole vessel volume at its rotation. At that, when plunger-piston is introduced to or taken from vessel, flat spring is folded or stretched. Inner magnetic ring - stator is made in the form of a sleeve with possibility of rotation about head of high pressure vessel housing from external drive.
EFFECT: improving reliability, quality and accuracy of measurements.
FIELD: machine building.
SUBSTANCE: system 10 to calibrate determination of data on one or more gas check specimens in gas flow fed to target by gas source 22. Said system comprises partial pressure pickup 12 to generate output signal about partial pressure of said specimens. Also, it comprises total pressure control assembly 14, 26 to determine gas total pressure. Besides, system comprises partial pressure module 24 to determine partial pressure on said specimens in compliance with gas check specimens with partial pressure function. Note here that said function describes partial pressure of said specimens in gas flow in the function of output signal generated by partial pressure pickup. It includes also calibration module 28 to calibrate partial pressure module by determining partial pressure function. Note also that said module defines partial pressure function proceeding from (i) multiple specimens of output signals generated by partial pressure pickup in multiple time intervals during calibration time interval, (ii) multiple determination of total pressure of gas flow made, in fact, at the same time intervals of output signal generation time intervals, and (iii) of target concentration of one or more check specimens in gas flow during calibration time interval. Besides, calibration time interval comprises that wherein gas flow is fed to target when gas source operates to maintain concentration of check specimens, in fact, equal to that of target concentration since total gas pressure varies.
EFFECT: higher efficiency and reliability.
25 cl, 4 dwg
SUBSTANCE: method of detecting surface defects through nondestructive inspection involves detection of surface defects with given probability. The surface defect information carrier is air or any gaseous mixture. The surface defect is a switching channel between to regions with different pressure levels. A pneumatic device with a vacuum seal consists of a set of same-type detecting elements which form a x × y detector array, each consisting of a housing in form of a block of two boards. The upper board has a vacuum channel, four openings on the end faces of the board, each opening to the vacuum channel, and there is an end-to-end square-shaped opening at the centre. In the lower board there is a closed channel and four end-to-end openings, lying in the closed channel, each opening to the vacuum channel of the upper board. There is an end-to-end square-shaped opening at the centre.
EFFECT: detecting surface defects, avoiding the use of a penetrant, simple surface quality control process, short duration of inspection and high reliability of operation of the device.
6 cl, 11 dwg
FIELD: machine building.
SUBSTANCE: system of automatic control of industrial and ecological safety of reservoirs with light fire and explosion hazardous product consists of automatic system of pump down of liquid phase of fire explosion hazardous product to treatment facilities under emergencies and of device for collection and removal of steam-gas phase at emergency condition in mechanism. Also, the said system additionally consists of device for condensation of steam-gas phase including a condenser-water separator with a central perforated pipe and a steam ejector connected to an access hatch of the mechanism through a coil. Steam-gas phase is supplied with the steam ejector into the central perforated pipe of the condenser-water separator with small holes, wherein at out flow through small holes mixture of steam-gas phase and steam is bubbled through a water layer of the condenser-water separator and is condensed. Condensed hydrocarbon portion rises to an upper part of the condenser-water separator and is periodically pumped out to treatment facilities, while steam condensed with water is periodically damped through a valve into sewage.
EFFECT: increased reliability and safety of mechanism and equipment operation under emergency situations at large volume of steam-gas phase in mechanism and prevention of its rupture.
5 cl, 1 dwg
FIELD: aircraft engineering.
SUBSTANCE: invention relates to spacecraft servicing and can be used in filling fluid heat control systems and spacecraft engines. This method uses reference tank 12 communicated via pipeline 5 with gas chamber 2 of controlled fluid 3 and incorporating "gas-fluid" separator 13. In measuring volumes of gas chamber 2 and reference vessel 12, volume of gas that passed through gas counter 11 is measured two times at different initial basic pressures. Results obtained allow determining nonsolute gas volume by appropriate formula. Note here that said initial basic pressures in gas chamber 2 and reference chamber 12 are set equal. In first measurement, said pressures make 1 mm Hg, while in second measurement they make 2 atm.
EFFECT: possibility to determine volume of nonsolute gas in fluid chamber 14 without its depressurisation and connection to filling appliances.
SUBSTANCE: invention relates to development and operation of manned spacecraft thermal control systems. Proposed method comprises repeated measurement of the volume of hydropneumatic compensator (HPC) gas volume with the help of reference vessel. Note here that one and the same initial, primarily, static operating pressure is maintained in HPC gas chamber. Initial pressures are maintained in reference vessel that lie in the range of tolerable operating pressure but differs from each other and from initial HPC pressure. Said pressures differs by at least summed magnitude corresponding to HPC media separator rigidity and tolerable error on pressure gages. Target volume of free gas inclusions is defined proceeding from reference vessel volume, initial pressures in HPC gas chambers and reference vessel, as well as steady-state air pressure in integrated volumes of HPC gas chamber and reference vessel in first and second measurements.
EFFECT: high-accuracy method of determining of volume of free gas inclusions irrespective of current volume of HPC gas chamber.
FIELD: testing equipment.
SUBSTANCE: sampler relates to a sampling device in liquid and fluid condition, namely, to samplers for semi-automatic sampling along the entire height of the reservoir with oil products. The sectional sampler comprises a sampling column, a system of three-way valve control in the form of connecting traction rods and yokes connected into a parallelogram. Sections of sampling pipes are assembled by means of their installation into bores of three-way valves and are fixed by captive nuts with a seal. Besides, a worm gear is installed on the axis connected to a master yoke.
EFFECT: higher operational characteristics and service life of a sampler due to reduction of labour intensiveness of its assembly during installation and repair.
SUBSTANCE: invention relates to field of medicine, namely to pathomorphological diagnostics. To predict five-year long survival of patients with invasive breast cancer index of dispersion of tissue structures is determined as difference between maximal and minimal values of number of cancer structures and/or fractions of parenchymal or stromal component in microscopy at small magnification (100x) divided by quantity of vision fields in which said values were counted. If index of dispersion of tissue structures is lower than 1.6, five-year long survival of patient can be predicted with 95% probability, if its value is higher than 2.3, prediction of five-year long survival is unfavourable.
EFFECT: method makes it possible to predict five-year long survival in patients with invasive breast cancer.
FIELD: machine building.
SUBSTANCE: device includes sampling tube mounted in pipeline perpendicular to flow movement and provided with slot-like inlet from side of flow movement. Slots in inlet are made horizontally along the height of pipeline and are directed toward liquid flow. Depth of slots changes from small near pipeline walls to largest near pipeline axis. Opposite to inlet in sampling tube there made is a vertical slot.
EFFECT: increasing sample uniformity and improving accuracy of sample composition determination.
FIELD: measurement equipment.
SUBSTANCE: method involves analysis of an image of mixture surface and determination of coefficient of its non-homogeneity. The investigated mixture is uniformly distributed on a smooth surface and divided into necessary number of portions; digital images of their surfaces with build-up of brightness histograms are obtained. Then, each portion is divided into equal number of parts (probes) with build-up of their brightness histograms. Mixture non-homogeneity coefficient is calculated by comparing digital images of parts (probes) of a piston with an image of the whole portion of the investigated mixture as per brightness histograms.
EFFECT: reducing labour intensity, increasing speed and accuracy of determination of quality of mixture of components that differ as to colour.
SUBSTANCE: sampling device comprises a probe with a sharp-edged cutting edge in the lower part, a flange with a chamfer in the upper part, which is attached coaxially to the rod of a smaller diameter with a measuring scale, and a sample extractor. The cylindrical probe in the lower part is provided with two oval cutting bits with sharp-edged cutting edges. The flange in the upper part with the manufacturing hole made perpendicular to the longitudinal axis of the sampling device is attached to the bar consisting of rods of circular section which are screwed in one another with dimensional manufacturing holes. The openings are made on the surface of the rod in every 500 mm from the oval cutting bits of the probe, and their diameter is equal to diameter of the probe extractor - a rod with a conical groove. Moreover, between the cutting bits and the flange on the probe surface two longitudinal grooves are arranged opposite each other.
EFFECT: reduction of the labour intensity of sampling by providing easier penetration of the sampling device in the estimated mass, providing the possibility of batch sampling from a depth of 1,5-2 m, ensuring easy removal of the sampling device at deep layers of silage.
SUBSTANCE: device for silage sampling comprises a probe with a sharp-edged cutting edge in the lower part, a flange in the upper part, which is rigidly attached to the bar with a measuring scale, and a sample extractor. The probe 1 of square or rectangular cross section is provided in the lower part with two sharpened cutting edges 2 in the form of a dovetail. In the upper part the probe is provided with two fixing holes 3 providing its attachment to the flange 4 of the square or rectangular cross section by means of its spring-loaded clamps 6. For smooth transition from the square section of the probe 1 to the circular, the rod flange 4 in the upper part is made in the form of a truncated pyramid 11. The rod consists of bars 10 of circular section screwed into each other, with measuring technological holes 12, applied on its surface after every 100 mm. In these holes on the rod with the pin 15 a device is fixed, consisting of a sleeve 13 with two handles 14, and the extractors of the sample from the probe is the upper part of the rod, the diameter of which is less than the internal dimension of the probe.
EFFECT: reduction of labour intensity of sampling due to easier penetration of the device in the estimated mass, providing the possibility of batch selecting at a depth of 1,5-2 m.
SUBSTANCE: invention relates to field of medicine, namely to pathological anatomy. To estimate blood supply of left part of large intestine in experiment on human corpse, alternating introduction of dye solution is performed into superior mesenteric artery, internal iliac arteries and into inferior mesenteric artery with further visual observation over spread and intensity of staining of intestine tissues with dye. Introduced dye solution consists of 500 ml of distilled water, 200 g of lead nitrate and 20 ml of 1% of water solution of methylene blue. In order to estimate blood supply of left half of intestine concentration of lead nitrate in percent is determined in samples of intestine tissues by means of low-vacuum scanning electron microscope with system of energy dispersive microanalysis.
EFFECT: method makes it possible to objectively determine degree of participation of superior mesenteric, internal iliac and inferior mesenteric arteries in blood supply of left half of large intestine in experiment on human corpse.
1 dwg, 1 ex
FIELD: test engineering.
SUBSTANCE: complex comprises a housing representing the interconnected vertical panels on which the samplers with absorption packets with hubs are located. The complex also comprises solenoid valves, filters-dehumidifiers, tanks with sensors measuring temperature and pressure, sampling manifold, the gas turbine aircraft engine (GTAE) located in front of the testee, a diffuser with jet tubes, a vacuum pump, and a control panel. At that the complex is equipped with an additional tank with temperature and pressure sensors and a solenoid valve, and the samplers and solenoid valves are uniformly distributed in equal parts on the manifolds, each of which is connected to the corresponding tank.
EFFECT: enhancing the technological capabilities of the complex, reducing the time of air sampling from the compressor GTAE for its subsequent analysis for the content of harmful impurities and their concentrations, saving expensive jet fuel, increased ease of use of the complex, and reducing wear of GTAE.
SUBSTANCE: invention relates to forensic medicine. To diagnose cause of death from mechanical asphyxia sectional examination of brain is carried out. Macroscopic and microscopic changes of hypophysis are detected. If constellation of such diagnostic signs as: plethora and dilatation of cavernous sinus; plethora and visually detectable hemorrhages into hypophysis capsule and its pedicle and presence of microfocal hemorrhages; plethora of microhemocirculation vessels of hypophysis lobe; small hemorrhages in neurohypophysis are present, death resulting from mechanical asphyxia is diagnosed.
EFFECT: method makes it possible to diagnose cause of death from mechanical asphyxia.
1 tbl, 2 ex
FIELD: measuring equipment.
SUBSTANCE: automated system for monitoring exhaust gases of processing plants comprises the data processing module that comprises the server and the automated worksite equipped with a computer and a display device that provides visualisation of the results of monitoring of exhaust gases and analysis of the technical condition of the processing plants, and connected through a network equipment, local area networks with the system and module of preparation and measurement, comprising sampling sampling unit containing sampling device and the sample delivery line and the gas analysis unit. The sample delivery line is made with the ability to maintain a constant temperature of the gas sample throughout the entire length and is provided with shutoff and control valves operating in an automatic mode as a result of the control action of the programmable controller.
EFFECT: effective operational monitoring and diagnostics, and timely maintenance of processing plants.
1 dwg, 1 tbl
FIELD: automatical aids for sampling liquids.
SUBSTANCE: system for sampling and delivering filtrate has filter submerged into tested medium and connected with collecting tank and vacuum pressure source which is connected with top hole of collecting tank by means of pneumatic pipe. System has sample receiving tank connected with collecting tank and control unit which has first output to be connected with vacuum pressure source. Collecting tank has two separated chambers - washing chamber and dispatching chamber. Lower hole of washing chamber has to be lower hole of collecting tank and side hole of dispatching chamber has to be side hole of collecting tank. Floating valve is installed inside washing chamber to shut off lower and top holes. Filter is connected with lower hole of collecting tank through sampling pipe. Side hole of collecting tank is connected with lower hole of tank for receiving samples through sampling pipe. Flow-type sensor and check valve are installed inside transportation pipe. Output of flow-type sensor is connected with input of control unit; second output of control unit is connected with control input of analyzer.
EFFECT: improved precision of measurement of sample ion composition; prolonged service life of filter.
1 cl, 1 dwg