Automatic (B01D46/46)

ethod and device for air purification management // 2628557
FIELD: ventilation.SUBSTANCE: with air purification, target quality of the purified air is obtained. The current quality of the air being purified is determined. The rate of production for an air purifier is defined in accordance with the target and current quality. The purification duration, necessary for the rate of air purifier production is calculated in accordance with the efficiency of purification. The cleaner is activated and the remaining time is displayed in real time according to the duration of purification. Control devices for air purification are also proposed.EFFECT: improved air purification.13 cl, 7 dwg, 2 tbl

Inlet air filtration probe for electric power station // 2625865
FIELD: ventilation.SUBSTANCE: family of inventions belongs to the inlet air filtration system, that comprises the inlet air filtration probe, and also to corresponding installation methods, specifically for electric power stations, that have one or more thermal engines, wherein the filtered air should go while running for burning sustention and/or for aeration. The inlet air filtration probe comprises at a minimum one pass for air mass transportation from the inlet air filtration probe inlet section to the probe delivery section, the water separation vessel, that is located at the noted pass and intended for the water from air mass separation, the cross-over element, that is configured to translocate between the first open position, where the air mass forcefully traverses the separation vessel, and the second closed position, where the air mass streams from the inlet section to the delivery section without separation vessel traversing. The separation vessel is situated between the probe inlet and delivery sections. The inlet air filtration probe additionally has a closing device, that is configured to set to work for the joint action with the cross-over element in order to separate the separation vessel from the air mass, that streams in the pass, when the cross-over element is in the second closed position. At this time, the closing device is rigidly attached to the cross-over element. The inlet air filtration probe for electric power station comprises the mentioned air filtration probe. The inlet air filtration probe installation method comprises the following phases: the inlet air filtration probe pass accomplishment in such a way, that the air mass flow-through pass is bounded from the probe inlet section to the probe delivery section, the water separation vessel arrangement in the noted passes for the humidity from air mass exclusion. With regard to the above mentioned, the separation vessel is interposed between the probe inlet and delivery sections of the inlet air filtration. Henceforth, one sets up the cross-over element, that is configured to translocate between the first open position, where the air mass forcefully traverses the separation vessel, and the second closed position, where the air mass streams from the inlet section to the delivery section without separation vessel traversing, and sets up the closing device, that is configured to set to work for the joint action with the cross-over element in order to separate the separation vessel from the air mass, that streams in the pass, when the cross-over element is in the second closed position.EFFECT: guarantee the efficient management of every subjacent in downstream direction filtration module and thermal engine, limitation on amount of emergency shutdowns, resulting from the pressure differential in the air filtration probe or from the blinding in the subjacent in downstream direction filtration module.14 cl, 11 dwg

ethod and device for adjustment of power fed to electrostatic precipitator // 2509607
FIELD: process engineering.SUBSTANCE: invention relates to control over electrostatic filter. Proposed method comprises the steps whereat: algorithm of control over power applied between at least one precipitation electrode 28 and one discharge electrode 26. Note here that said control algorithm includes direct or indirect adjustment of at least one power range VR1, VR2 and that of power linear variation rate RR1, RR2. Process gas temperature T1, T2 is measured to select, when said algorithm includes power range adjustment, the power range VR1, VR2 proceeding from measured temperature T1, T2 while magnitudes VT1, VT2 to upper limit of power ranges VR1, VR2 at high process gas temperature T2 is lower than that at low process gas temperature T1. Power adjustment rate RR1, RR2 is selected proceeding from measured temperatures T1, T2 when said algorithm includes power linear variation adjustment rate. Note here that power adjustment rate RR1, RR2 at high temperature T1 is lower than that at low temperature T2. Algorithm of control over power applied between at least one precipitation electrode 28 and one discharge electrode 26 is used to adjust said power.EFFECT: longer life.12 cl, 10 dwg

ethod and device for control over electrostatic dust precipitator // 2478435
FIELD: process engineering.SUBSTANCE: invention relates to dust precipitator intended for removing dust particles form process gas. Method of controlling electrostatic dust precipitator removing dust particles from process gas generated in combustion differs in that its comprises the steps whereat: combustion air temperature indication signal is generated to control electrostatic dust precipitator in response to said signal.EFFECT: higher efficiency.14 cl, 6 dwg

ethod of controlling dust bag filter regeneration with pulse-to-pulse interval correction // 2448759
FIELD: process engineering.SUBSTANCE: invention relates to dry cleaning of gases in electrolysis, namely, to bag filter regeneration control system. Proposed method comprises feeding dusty gas into bag filter, regenerating the latter by compressed air blowing and measuring pressure upstream and downstream of bag filter module, gas dust content upstream of filter and filtration rate. Time interval between regenerations of bag filter is set subject to pressure difference upstream and downstream of aforesaid module and gas dust content upstream of filter. Note here that maximum and minimum time intervals between filter regeneration pulses and maximum and minimum pressure difference are set. Maximum and minimum time intervals between filter regeneration pulses are set for maximum and minimum pressure difference magnitudes. For intermediate pressure difference, time interval between pulses is set in proportion to pressure difference.EFFECT: improved gas cleaning.5 dwg, 1 tbl

ethod of controlling bag filter cleaning // 2446857
FIELD: process engineering.SUBSTANCE: invention relates to method of controlling bad filter cleaning. In compliance with proposed method, one measurement of filter capacity drop (DP) signal is read off. Said signal is filtered by digital or analog appliances to produce filtered signal (DP*). Filtered (DP*) signal value corrected by flow rate magnitude is defined by the following formula: where: is mean flow rate of smokes defined for preset time interval varying, in particular, from 10 to 30 minutes, n is exponent varying from 1 to 2, preferably, from 1.2 to 1.5 Filter cleaning cycle is initiated if one of the following conditions exits. Test 1: DP>DP3 or Test 2: for τ minutes filter cleaning was not performed, or Test 3 (DPC>DP2) and (contamination peak not revealed), where: DP3 is selected in the range of 1500 to 2500 Pa, DP2 is selected in the range of 1000 to 2000 Pa, while τ is selected in the range of 15 to 90 minutes.EFFECT: higher efficiency of filtration5 cl, 1 dwg

ethod of controlling bag filter // 2256489
FIELD: methods of controlling multi-sectional bag filters.SUBSTANCE: method can be used for cleaning dusted gases. Method is based upon measurement of electric engine current load of off-loading fan, smooth switching of draught-head mode at transition from filtration mode to back blow-down mode, supplying less dusted gas to input of off-loading fan. Consumption of the gas is reduced at reduction in of degree of dusting of gas which passes through off-loading fan.EFFECT: prolonged service life of bags and fans.3 dwg, 1 tbl, 1 ex

The control device cleaning process gas in the electrostatic precipitator // 2200343
The invention relates to the field of electrical purification of exhaust gases from dispersed suspensions, in particular to devices process control industrial and sanitary gas cleaning in electrostatic precipitators in various industries

The process control method of cleaning gas in the electrostatic precipitator // 2173218
The invention relates to an electrical purification of exhaust gases from the dispersed suspension in the production of briquettes from brown coal, chemical and petrochemical industries, as well as capture the electrostatic filter ash in power and incineration plants, dust in ferrous and nonferrous metallurgy
 
2551032.
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