CS261802B1 - Wiper segment for molecular evaporator - Google Patents

Wiper segment for molecular evaporator Download PDF

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Publication number
CS261802B1
CS261802B1 CS87728A CS72887A CS261802B1 CS 261802 B1 CS261802 B1 CS 261802B1 CS 87728 A CS87728 A CS 87728A CS 72887 A CS72887 A CS 72887A CS 261802 B1 CS261802 B1 CS 261802B1
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CS
Czechoslovakia
Prior art keywords
wiper
flexible coupling
segment
molecular
convex
Prior art date
Application number
CS87728A
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Czech (cs)
Slovak (sk)
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CS72887A1 (en
Inventor
Jan Ing Csc Cvengros
Jan Ing Csc Durcansky
Bedrich Ing Travnicek
Original Assignee
Cvengros Jan
Jan Ing Csc Durcansky
Travnicek Bedrich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Cvengros Jan, Jan Ing Csc Durcansky, Travnicek Bedrich filed Critical Cvengros Jan
Priority to CS87728A priority Critical patent/CS261802B1/en
Publication of CS72887A1 publication Critical patent/CS72887A1/en
Publication of CS261802B1 publication Critical patent/CS261802B1/en

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  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Stierací segment je určený pre použitie v molekulových odparkách s konvexným odparným valcom. Skládá sa zo stieracieho bloku s přepadovými otvormi, ipružnej spojky a rúrkového nosiča. Stierací blok je vystužený výstužným drůtom v drážke a uchytený dvoma úchytkami na pružnej spojke. Toto konstrukčně riešenie zjednodušuje výrobu a zvyšuje mechanickú pevnost celku v porovnaní s doteraz známými typmi stieračov pre molekulové odparky s 'konvexným odparným valcom.The wiping segment is intended for use in molecular evaporators with a convex evaporating cylinder. It consists of a wiper block with overflow holes, a flexible coupling and a tubular carrier. The wiper block is reinforced with a reinforcing wire in the groove and fixed with two handles on a flexible coupling. This design solution simplifies production and increases the mechanical strength of the unit compared to previously known types of wipers for molecular evaporators with a convex evaporator cylinder.

Description

Vynález sa týká stieracieho segmentu pre molekulová odparku s konvexným odparným valcam.The invention relates to a wiping segment for a molecular evaporator with a convex evaporation valve.

Doteraz známe stieracie segmenty pre molekulová odparku s konvexným odparným valcom ipodla čs. AO 215 293 a 224 105 májá vlastně stieracie bloky uchytené na pružné] spojke v jednom bode. Nevýhodou tohto konštrukčného riešenia je nízká mechanická pevnost takého spojenia a zvýšená možnost deformácií. Okrem toho kovový nosný žl'ab pře stierací blok při stieracom segmente podta AO 224105 má tvar segmentu skrutkovice, ktorého výroba je zložitá a vyžaduje zvláštně přípravky. Dutá časť žlabu musí byť vhodné a nemenne orientovaná voči odparnému valcu.Previously known wiping segments for a molecular evaporator with a convex evaporator cylinder according to the article no. AO 215 293 and 224 105 actually have wiping blocks mounted on a flexible coupling at one point. The disadvantage of this design is the low mechanical strength of such a connection and the increased possibility of deformation. In addition, the metal support channel of the wiping block in the wiper segment of A0 224105 has the shape of a helical segment, which is difficult to manufacture and requires special preparations. The hollow part of the trough must be suitable and invariantly oriented towards the evaporating cylinder.

Tieto nevýhody odstraňuje stierací segment pre molekulová odparku podta vynálezu, ktorého podstatou je, že stierací blok, do ktorého je z vonkajšej strany zasunutý výstužný drot v drážke, je upnutý dvorná áchy.tkami na pružnej spojke, ktorá je uchytená na rárkovom nosiči.These disadvantages are overcome by the wiper segment for the molecular evaporator according to the invention, which is based on the fact that the wiping block, in which the reinforcing wire in the groove is inserted from the outside, is clamped by yaws on a flexible coupling which is mounted on the ratchet carrier.

Stierací segment podta vynálezu má oproti doteraz známým typom niekotko výhod. Mechanická pevnost mu dodává výstužný drot, ktorý sa dá 1'ahko vytvarovat do tvaru skrutkovice. Okrem toho zabezpečuje prispĎsobenie stieracieho bloku případným nerovnostiam odparnej plochy. Úchytky sá relativné krátké a preto móžu byť aj rovné, nemusia sledovat tvar skrutkovice, pretože na krátkom áseku sa zakrivenie prakticky nepřejav!. Stierací blok je uchytený v dvoch miestach, čo celku dodává mechanická pevnost a obmedzuje možnosti deformácie, pritom zaručuje vyrovnáváme případných odchýliek stierača od odparnej plochy. Pružná spojka tiež prispieva k spevneniu konštrukcie. Jej vhodnou orientáciou sa zabráni pretoku kvapaliny na teleso stieracieho segmentu a případný kondenzát sa odvádza spát na stierací blok. Stierací blok si zachovává všetky overené konštrukčné prvky predchádzajácich typov, ako sá přepadové otvory, příklon k odparnej ploché, materiál s výhodou polytetrafluóretylén. Je možné tiež výhodné použit sástavu kondenzačných plóch na zabránenie prestreku podta čs. patentu 114 756.The scraper segment according to the invention has several advantages over the known types. The mechanical strength gives it a reinforcing wire which can be easily shaped into a helical shape. In addition, it ensures that the wiping block is adjusted to any unevenness in the evaporation surface. The clamps are relatively short and therefore may be straight, they do not have to follow the shape of the helix, as the curvature practically does not overlap on the short section !. The wiping block is fixed in two places, which gives the mechanical strength to the whole and limits the possibility of deformation, while guaranteeing possible deviations of the wiper from the evaporation surface. The flexible coupling also contributes to the reinforcement of the structure. Due to its suitable orientation, liquid flow to the wiper segment body is prevented and any condensate is discharged back to the wiper block. The wiping block retains all verified construction elements of the preceding types, such as overflow openings, inclination to the evaporative flat, preferably polytetrafluoroethylene material. It is also advantageous to use a set of condensation surfaces to prevent overspray of the condenser. No. 114,756.

Na pripojenom výkrese je na obr. 1 stierací segment pri čelnom pohtade, na obr. 2 pri pohtade zhora a na obr. 3 v řeze.In the attached drawing, FIG. 1 shows a wiper segment in front view, FIG. 2 in a top view and FIG. 3 in section.

Stierací blok 1, vyrobený s výhodou z polytetrafluóretylénu, je z vonkajšej strany opatřený drážkou 2, v ktorej je zasunutý výstužný drót 3 v tvare segmentu skrutkovice, ktorý dodává stieraciemu bloku 1 mechanická pevnost. Stierací blok 1 je tesne upnutý v dvoch áchytkách 4, ktoré sá sáčasťou pružnej spojky 5. Pružná spojka 5 je uchytená na rárkovom nosiči 6, ktorý je o,točné nasunutý na nošnej tyči 7. Stierací blok 1 je z vnátornej strany, ktotrou dosadá na odparný válec 8, opatřený radom přepadových otvorov 9. Stierač pre molekulová odparku je potom tvořený sástavou stieracích segmentov, nasunutých nad sebou na niekotkých nosných tyčiach po celom obvode odparného valca 8, pričom stieracie segmenty sá vzájomne vhodné posunuté tak, aby zabezpečovali stieranie celej odparnejThe scraper block 1, preferably made of polytetrafluoroethylene, is provided externally with a groove 2 in which a helical segment 3 reinforcing wire 3 is inserted which imparts mechanical strength to the scraper block 1. The wiper block 1 is tightly clamped in two tabs 4 which are part of the flexible coupling 5. The elastic coupling 5 is mounted on a ratchet carrier 6 which is rotatably slid on the foot bar 7. The wiper block 1 is internally seated against the wiper. The evaporator cylinder 8 is provided with a plurality of overflow openings 9. The molecular evaporator wiper is then formed by a set of wiper segments sliding on top of several support rods over the entire circumference of the vaporizer cylinder 8, the wiper segments being suitably displaced relative to each other so as

Claims (1)

PREDMETSUBJECT Stierací segment pre molekulová odparku, obsahujáci stierací blok s přepadovými otvormi, pružná spojku a párkový nosič, vyznačujáci sa tým, že stierací blok (1), do ktorého je z vonkajšej strany zasunutý výstužný drůt (3) v drážke (2), je upnutý dvorná áchytkami (4) na pružnej spojke (5), ktorá je uchytená na rárkovom nosiči (6).A wiper segment for a molecular evaporator comprising a wiper block with overflow openings, a flexible coupling and a sausage carrier, characterized in that the wiper block (1) into which the reinforcing wire (3) is inserted from the outside in the groove (2) is clamped by means of clips (4) on the flexible coupling (5), which is mounted on the ratchet carrier (6).
CS87728A 1987-02-05 1987-02-05 Wiper segment for molecular evaporator CS261802B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS87728A CS261802B1 (en) 1987-02-05 1987-02-05 Wiper segment for molecular evaporator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS87728A CS261802B1 (en) 1987-02-05 1987-02-05 Wiper segment for molecular evaporator

Publications (2)

Publication Number Publication Date
CS72887A1 CS72887A1 (en) 1988-07-15
CS261802B1 true CS261802B1 (en) 1989-02-10

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CS72887A1 (en) 1988-07-15

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