US2624322A - Boiler skimmer - Google Patents

Description

1953 A. A. GIESEN BO ILER SKIMMER Filed March 16, 1951 INVEIYTOR.

tral portion localted immediately adjacent the upper surface ofthe trough H. The side portions cf thescreen 31 are inclined upwardly and outwardly so that they are spaced above the trough edges and the unter edge portions 38 of the screen 31, in the oonstruction shown, are located closely adjacent the upper portion of frame members, and a screen locasted above the trough, said screen being generally V-shaped in crosls section with the center of the v extending along adjacent (Ehe oenter line 015 the top 015 the troughand its side portions located above and spaced from dahe trough, the screen being wider the inner faces of the floa.ts 30. In the constrction shown, the central portion o1 the screen 31 is secured to l7he inturned upper end flanges 40 of the trough II. These flanges 40 are rein- :forced by sbrips 42 which may be welded to their under faces and. screws 43 are passed through washers 45 and through openings in the screen 31 anti are rthreaded into the reinforced flanges 40. The central portion of the screen 31 is preferably unperforabed as shown in Figure 2 while the lateral portions are perforated.

The operation of the skimmer construction shown will be apparent firom the above description, the skimmer being installed in rthe holler and adjusted to fioat ab the surfaoe or submerged to a predetermined depth belqw the surface and being located by means of the guide members I9. The spaced am]. elongated fioats 30 are of such a character as o reduce tilting of the skimmer assembly due '00 fluctuation of suzrfacelevels in the turbulent steam release zone as the water boils. The censtruction is such that the skimmer will not bind against the vertical gu-ide members I9 and will be free to tilt within necessary limits. The stop members 33 are cylindrical in cross-seetion and present rounded surfaces for.contact with the guide members I9. The spacing of the pauts is such tha.t the ends cf the trough cannot erigag e-the guide members I9 to cause wear or' 130 bind against them.

While I have shown certain preferred. embodiments of my invention in the accompanying drawings, these are d;o be understood to be illustrative only as the construction may be varied to meet different conditions and requirements and I contemplate such modifications as come within the spirit and scope of Hohe appdended claims.

In the claims:

1. In a skimmer for removing suspended and dissolved solids from fiuids in boilers and the like, anelongated trough, a conduit leacling from the lower portion of the trough, spaced conniacting membersextending from each end of the trough, cross fcrame members connected to the ends of the connectlng members, saicl cross frame members being longerthan the width of the trough, elongated float members extending parallel with and spaced from the edges of the trough and connected ad: each end to the cross frame members and a screen located above the brough, said screen being generally V-shaped in cross section with the eenter of the V extending along adjacent the center line of the top of the trough and i1ts side portions located above and. spaced from the trough.

2.In a skimmer for removing suspended anal dissolved solids from fluids in boilers and the like, an elongated brough, a conduit leading from the lower portion of the trough, spaced cannecting members extending from each end of the trough, cross frame members connected 120 the ends cf d:he connecting members, said cross frame members being langer than the width of the trough, elongated fioat members extendlng parallelwith and spacedfrom the edges of the trough and connecteiatzeach'end to the cross than the trough and. extending adjacent the fioats'.

3; In askimmer for removing suspended and dissolved solids from liquids in bo-ilers and the like, an elongated trough, a flexible conduit leading from the lower portion of the trough, spaced oonnecting members exbending from each end of -'he trough,cross frame members connected 120 the ends 'of the spaced ccnnectirlg members, floats connected 110 the cross frame members, a

pair ofspaced guide members adapted 420 be sespaced connec-ting' members and the cross faame members, the guide members being spaced apart a distance greater than the length of the trough, and stop members extending between the comnecting members and locaxted between the guide members and cross frame members, the relative spacing being such that the stop members prevent the guide members from contacting the end.s 0f the trough.

4.In a floating skimmer for removing suspended and dissolvecl solids from liquids in beilers and the like, an elongated dzrough, a flexible concluit l'eading Irom the lower portion of the trough, spaced connecting members extending from each end of the trough, cross frame members connected. ehe ends of the spaced connecting members, said cross frame members being longer than the wid bh of the trough, elongated fioats on each side of the trough and spaced therefrom, the ends of the fi0ats being adjustably connected 120 the cross frame members, a screen secured adjacent the upper face of the trough with its lateral portions inclined upwardly and extending above and spaced from the trough andadjacent the fioats, a pair 01 spaced guide members adapted tobe secured to a heiler structure, one of such guide members extending vertically in the space at each end of the trough between the trough, the spaced connecting members and the cross frame members, the guide members being spaced apart a distance greater than the length of the trough, and stop membecvs extending betvveen the connecting members and located between Nahe guicle members and cross frame members, the relative spacing being such (hat the stop members prevent the guide members from contacting the ends of the trough.

ARTHUR A. GIESEN.

REFERENCES CITED The following references are of record in the fi1e of this patent:

UNITED STATES PATENTS

Images