CS254129B1 - The device for protecting the centrifugal compressor from the rags - Google Patents

Abstract

A device for protecting a centrifugal compressor from pumping, equipped with an electric drive, comprises a pressure sensor, a first filter, a pulsation counter, an outlet diaphragm drive and an anti-pumping valve drive. The device further comprises a first flip-flop circuit, a series-connected current sensor of the electric drive, a demodulator, a switch, a second filter, an amplifier, a first comparator, a summation device, a time relay and a reset block, a series-connected functional converter and a second comparator and a series-connected decoder, a second flip-flop circuit and a control block connected to the outlet diaphragm drive.

Description

I 3aHBJieHo: 15.06.81 3a «BKa» 3304690 / 25-06} 3304822 / 25-06 MKH3 F 04 D 27/02

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TaxHM oCpasoM Ha BbixOAe fleMOflyjiHTopa 8 noAXJiioHeHHoro x «aTHHxy ToxaiajiexTponpHBOfla 7 h Ha BbixOAe AaTWHXa 1 flaBJíeHHH BosHHKaeT CHraaii c nacTOToňnoMnaxHbix xoneCaHHÍi (0.5-10 Fa) χοτορκή noflaeTCH NEP ετοροή Φηπβτρ hycHraKTenb 10 to 11 h nepBbiň btopoA xoMnapaTopbi 12 17 cooTBeTCTBeHHO, oahh h3xoTopux cpa6aTbiBaeT 8 Hanajie nojio «HTejibHoň nónyBOjiHbí and flpyroň - b HanajieOTpHiíaTenbHOft nojiysojiHbí CHrHana Tax, HTO Ha Bbixofle, xoMnapaTopoB boshhk81otHMnyjibcu, χοτορΜβ cxjiaflbiBaioTCH cyMMaTOpoM 13th Βτοροή φκπι> 10 τρ yMeHbiuaeTypoBeHb Nomex C 50 nacTOTOň Bbme fa taxxi crnaiKHBaeT xoneCaHHH CHRHANA cnacTOTOh ceTH πητθηηη snexxppnpHBOfla npH pafiTe ot αητηηκα Toxa. OflHOBpeMeH- * h cHrHan noflaeTcs nepea nepBbiíi φΗππτρ 2 h φyHxnHOHaπbHbIfi npeoSpasoBaTenb16 Ha. ynpaBnHwmHe exoflb nepBoro h BTopor xoMnapaTopoB 12, 17 cooTBeTCTBeHHO, HSMeHHfl hx nopor cpaGaTbiBaHHH npH η3Μθηθηηη a6cojnoTHoNe BenHHHbb CHrHana. Περ-Bbiň Φηπβτρ 2 craaMHBaeT BCE nynbcaAHH CBbnae 0.2 fa φιηιχΑΗΟΗβηΒΗΜίί ňpeo6-paaoBaTenb 16 oCecnenHBaeT TpeCyeMyn saBHCHMOCTb nopora cpaSaTbiBaHna xoMna paTopoB 12-h 17 rt βθιιηηηημ CHrnana (b mbcthom cnynaejiHHeiÍHyio aasHCH-MOCTb). ΟφορΜπροΒβΗΗΜβ KOMnapaTopaMH 12.17 HMnyjibcw c Bbixofla cywaTopa Nocti 13-Ha Naioth οηθτηηχ nynbcanHň 3 h, ecnn hhcjio HMnynbcOB AOCTHraeT 3aflaHHoroSHaHeHHH, BblfipaHHOrO H3 ycnOBHH OXOHnaHHH ΠβρβΧΟΑΗΟΓΟ nponecca Ha BblXOfleΑβππίφρβτορβ 18 noHBJíHeTCH ČHrHaji, cpaSaraBaeT Βτοροίί Tpnrrep 19 c BbixoflaxoToporo Ha 6nox 20 ynpaBneHHH nocTynaeT CHrHan, npHBOAHntHÍt x otxpmthio BH-xoahoíI sacjiOHKH c noMODtbio iipHBOAa fourth OAHOBpeMeHHO c 6noxa ynpaBneHHH 20 (b bHacTHOM cnynae xaneCTBe Cnoxa ynpaBneHHH Μθ »βτ 6htb npHMeHeH noporoBbifi.6nox) NOx aeTCH CHrHan aanpeTa b CHCTeMy peryjiHpoBaHHH ΑβΒπβΗΗΗ απη npeflOT-BpameHHH aBToxonefiaTenbHoro npoqecca ynpaBJíeHHH bhxoahoíí 3acnoHxoň. EcjihοτχρΗΤΗβ BbixoAHoň sacjiOHKH He npHBOgHT κ HcuesHOBeHHio noMnaMHbix xojieSaHHň, it nocjie AOCTH ^ ehhh saAaHHoro MHCJia HMnynbcoe Ha BTopoM Bbixofle Aenny ^ paTopa18 noHBJíHeTCH CHrHaji, cpaCaTbiBaeT nepBbiň Tpnrrep 6h BOSAeůcTBya Ha πρηβοα5, OTxpbiBaeT npOTHBonoMnaxHbiň xnanaH. Πρκ OTcyTCTBHH HMnyjibcoB Bbixop Ha, 13 b ecyMMaTopa τβηβΗΗβ saftaHHoro npoMexyTxa ΒρβΜβΗΗ cpaCaThroaeT sing 14 BPE-weHH h BO3AeňCTByfl Ha 6jiok 15 c6poca, ycTaHaBjíHBaeT b ηοχοαηοθ ποιιοκβΗΗβcqeTBHX 3 nyjibcaAHH, nepBbiň TpHrrep 6h btopoíí TpHrrep 19th

TaxHM oCpasoM, BŠeAeHHe b ycTpoňcTBO nepBoro TpHrrepa 6 nocjieflOBaTen &amp; HocoeflHHeHHbix naTHHxa 7 Toxa sjíexTponpHBOAa, fleMOAyjiHTopa 8 nepexmonaTejiH, βτορογο φκπΒτρβ · ycHJiHTejiH 11 nepBoro xownapaTOpa 12 cyrnaTOpa 13 sing 254 129 3 14 ΒρβΜβΗΗ η Ďnoxa 15 cĎpoca, nocneflOBaTenbHO coeflHneHHbix ΦυηκιιηοηβώβηοιόnpeoSpaaoBaTejiH 16 h βτορογο KOMnaparopa 17 and taxxi-nocnenoBaTenbHo coeftH-HeHHbfx flewwJjpaTopa 18 BToporo Tpnrrepá 19 h 20 6noxa ynpaBJíeHHH nosBonaeTnoBbiCHTb HafleJKHocTh aanpiTbi KOMnpeccopa πγτβΜ ycTpaHeHHH nojKHhix cpa6aTbiBaHHÍÍnpji nepexoflHbix npoqeccax.

<WPMyjIA H30BPETEHHH ycTpoňcTso flJia aaiUHTbt rpm nOMnaxa ijeHTpoCexHoro KOMnpeccopa, cHa6xeHHoroBJieKTponpuBOflOM, coflepxamee αθτηηκ «aBneHHa, nepBbiťl Φηββτρ, ΟΊβτΒΗΚ nynbca-IÍHÍÍ, npHBOfl BbIXOflHOft BaCJIOHKH H npHBOfl ΠρΟΤΗΒΟΠΟΜΠβΧΗΟΓΟ KJianaHa OT Π H qaiotneecH τβΜ, HTO c qejibio noBbnneHHH HaflexHocra, Oho flononHHTenbHocoflepxHT nepBbiň Tpurrep, nocneflOBaTenbHO coeflHHeHHbie flaTHHX Toxa anexTponpH-BOfla, flěMOflyjttTop, nepexmonaTenb, BTopoň φκη &amp; τρ, ycHJiHTejib, nepBbiň KOMnapa-τορ, cyMMaTop, foam bpsmghh μ Ónox cópoca, nocneflOBaTenbHO coeflHHeHHbie ^ yHx ~ líHOHajibHbiii npeo6pa9OBaTejib η Βτοροή KóMnapaTop, nocneflOBaTenbHO coeflHHeHHbieββΙΙΜφρβΤΟρ, BTOpoň 6ρΗΓΓβρ H 6jlOK ynpaBneHHH, nOflXfllOMeHHbn X npHBOfly BblXOfl “Ho aacnoHKH, npHneM flaTMHX flaBnemta noflxnioqeH κ nepexmoqaTenio, CBaaaHHOMyc nepbbíM φκπΒτροΜ, noflKjnoHeHHbíM κ ΦνΗΚΑΗ0ΗβηΒΗ0 &amp; ^ NPEOM € pa30BaTerao, nepBMftKOMnapaTOp noflxmoqeH κ φyHK ^ HOHaπbHOMy npeo6pa30BaTejTK) and BTopoň - bxoaom xycujiHTemo η βμχοαομ x cyMMaTopy, csaaaHHOMy what cqeTHHXOM, noflKnwneHHbíM e-pea ββπΜφρβτορ κ nepBOMy Tparrepy, bmxoa Ónoxa cCpoca ποαχπιοηθη κ nepeoMy »BTOpoMy TpwrrepaMhcqeTHHKy and Bbixofl nepsoro Tpnrrepa - x npHBOfly προΐΉΒΟ-noMňaxHoro xnanaHa.

HcTOHHHXH ΗΗφΟρΜβμΗΗ, ΠρΗΗΒΤΜβ BO ΒΗΗΜΒΗΗβ ΠρΗ 3Χ0ΠβρΤΗ3βί 1. ABTDpcxoe CBHfleTenbcŤBO CCCP 62 '623996, xn. F04D 27/02, 1977.

P ΕΦΕ P AT yCTPOňCTBO ΛΠΉ 3AmHTtl OT ΠΟΪΙΠΑΚΑ UEHTPOBEWHOrOΚΟΜΠΡΕΟΟΟΡΑ * ΠρββΛΟΧβΗΗΟβ yCTpOftCTBO flflH 33Π (ΗΤΜ OT nOMnaxa ΐχβΗΤρθ6β3ΚΗθΓΟ XOMnpeceopa, CHa6xeHHoe anexTponpHBOflOM, coflepxHT flaTHHX 1 flaBneHHa, nepBbiň φκπΒτρ 2 cqeŤqHK 3 nynbcaímň, npHBOfl 4 BbixoflHoň aacnoHKH h npHBOfl 5 npoTHBonoMnawHOrqxnanaHa. Flanee yxa3aHHoe ycTpoňCTBO coflepxHT nepBbiň Tpnrrep 6 nocneflOBa- 'τ &amp; πβηο coeflHHeHHbie flaTMMK 7 Toxa anexTponpHBOfla, fleMOflynaTop 8 nepexraoaa-tenbi 9 BTopoň φκηΒτρ 10 ycwiHTejib 11 nepBbiň KOMnapaTOp 12 cyMMaTop 13, foam 14 ΒρβΜβΗκ h 6nox 15 c6poca, nocneflOBaTenbHO coeflHHeHHbieφγΗΚΑΗΟΗπηΒΗΜήnpeoSpaaoBaTenb 16 BTopoň KOMnapaTOp h 17 h nocneflOBaTenbHO coeflHHeHHbie ΠΒίφρβτορ FLE-18 BTopoň TpHrrep 19 H 20 Ónox ynpaBneHHH, noflxraoaeHHbiň κ npHBOfly4 BbixoflHoň aacnoHKH. ΠρπβΗΒΗΟ M3o6peTeHHeM well pe3ynhTaTa.M 3xcnepra3bt, ocymecTBneHHoň TocynapcT-BeHHblM CPβΤΟΜ CCCP ena flenaM Η3θ6ρβΤβΗΗή H OTXpbITHn. 1 ηερτβχ 254129 ’

Claims (1)

OBJECT OF THE INVENTION An apparatus for protecting a centrifugal compressor of a pre-assembled electric drive comprising a pressure sensor, a first filter, a counter, a pulsation, an output curtain drive, and a counter-valve actuator characterized in that it additionally includes a flip-flop circuit to increase reliability. actuator, demodulator, switch, second filter, amplifier, first comparator, summator, time relay and reset block, serially coupled blower and second comparator, serial coupled decoder, sweep flip-flop and control block coupled to output post the aperture, the pressure sensor being connected to a switch connected to the first filter connected to the functional converter and the second input to the amplifier and the output of the accumulator connected to the counter connected via the decoder to the first flip-flop; second flap počítad circuitry in a ketal, and the output of the first flip-flop to drive ^ protipompáž whom you-valve. 254129