US2351855A - Ceramic bubble cap - Google Patents

Ceramic bubble cap Download PDF

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Publication number
US2351855A
US2351855A US465117A US46511742A US2351855A US 2351855 A US2351855 A US 2351855A US 465117 A US465117 A US 465117A US 46511742 A US46511742 A US 46511742A US 2351855 A US2351855 A US 2351855A
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United States
Prior art keywords
cap
bubble cap
chimney
ceramic
tray
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Expired - Lifetime
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US465117A
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Watt E Harris
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Individual
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Priority to US465117A priority Critical patent/US2351855A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
    • B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
    • B01D3/205—Bubble caps

Definitions

  • This invention relates to improvements in bubble caps foruse in liquid-gas contact equipment such as fractionating and rectifying C01- umns, scrubbers, and the like, and comprises a cap construction wherein the cap may be completely removed from and readily attached to the tray plate of the bubble cap column.
  • the main object of the invention is to provide a bubble cap which is adapted to be easily and quickly installed and removed from the tray plate, thereby saving considerable time and labor in its installation, over known bubble cap constructions. This quick and easy installation is readily accomplished by the simplicity with which the cap and chimney are held to the tray as by a connecting tie rod and a tapered key.
  • Another object is to make the cap out of a ceramic material which is not subject to corrosion and thereby greatly increase the life of such a cap.
  • Fig. 1 is a vertical section view showing the ceramic bubble cap and its related parts in assembled position.
  • Fig. 2 is a side elevation, partly in section.
  • Fig. 3 is a bottom view of the cap
  • Fig. 4 is a side elevation of the chimney.
  • FIG. 6 indicates a bubble cap having its lower edge serrated as shown at I, a hole 8 through its top and on its inner top and sides having a plurality of supporting flanges 9 having seating portions which seat and support the cap on the upper end of the'chimney I I.
  • the chimney II is enlarged at H near its lower end and terminates in a reduced annular portion I 3 adapted tov receive the edge I of the tray plate IS.
  • a bracket or crowfoot I6 is placed beneath the tray plate, said bracket having an upstanding center portion l1 fitting snugly within the chimney H and contacting the inner surface thereof when in position. Each end of the bracket terminates in upstanding lugs l8 which contact the under side of the tray plate I!
  • bracket is notched as at iii to receive and hold in place the lower hooked end of a tie rod 20.
  • the tie rod 20 extends upwardly through the chimney l i and through the hole 8 in the top of the cap, the upper hooked end of the tie rod receiving a tapered key M which can be readily inserted to hold the structure in assembled relation, the key forming a wedge between the top of the cap and the tie rod.
  • a ceramic bubble cap assembly comprising in combination a bubble cap tray, a chimney and a cap, said chimney having an annular seat at its base fitting an opening in the tray, a bracket having a center portion engaging the lower inside surface of the chimney and also having end lug portions engaging the under side of said tray.

Description

June 20, 1944. w, HARRls 2,351,855
CERAMIC BUBBLE CAP Filed Nov. 10, 1942 1 B 20 E 7 .77 I
WATT E. HARE/5' Patented June 20, 1944 CERAMIC BBLE CAP Watt E. Harris, Houston, Tex. Application November 10, 1942, Serial No. 465,117
1- Claim.
This invention relates to improvements in bubble caps foruse in liquid-gas contact equipment such as fractionating and rectifying C01- umns, scrubbers, and the like, and comprises a cap construction wherein the cap may be completely removed from and readily attached to the tray plate of the bubble cap column.
The main object of the invention is to provide a bubble cap which is adapted to be easily and quickly installed and removed from the tray plate, thereby saving considerable time and labor in its installation, over known bubble cap constructions. This quick and easy installation is readily accomplished by the simplicity with which the cap and chimney are held to the tray as by a connecting tie rod and a tapered key.
Another object is to make the cap out of a ceramic material which is not subject to corrosion and thereby greatly increase the life of such a cap.
Other objects and advantages will be noted from the following description and drawing in which:
Fig. 1 is a vertical section view showing the ceramic bubble cap and its related parts in assembled position.
Fig. 2 is a side elevation, partly in section.
Fig. 3 is a bottom view of the cap, and
Fig. 4 is a side elevation of the chimney.
Referring to the drawing. 6 indicates a bubble cap having its lower edge serrated as shown at I, a hole 8 through its top and on its inner top and sides having a plurality of supporting flanges 9 having seating portions which seat and support the cap on the upper end of the'chimney I I. The chimney II is enlarged at H near its lower end and terminates in a reduced annular portion I 3 adapted tov receive the edge I of the tray plate IS. A bracket or crowfoot I6 is placed beneath the tray plate, said bracket having an upstanding center portion l1 fitting snugly within the chimney H and contacting the inner surface thereof when in position. Each end of the bracket terminates in upstanding lugs l8 which contact the under side of the tray plate I! forcing the edge of the tray plate tightly against the chimney to thereby hold the same in position. :lhe center various modifications may be made of the bracket is notched as at iii to receive and hold in place the lower hooked end of a tie rod 20. The tie rod 20 extends upwardly through the chimney l i and through the hole 8 in the top of the cap, the upper hooked end of the tie rod receiving a tapered key M which can be readily inserted to hold the structure in assembled relation, the key forming a wedge between the top of the cap and the tie rod.
In the operation of assembling the ceramic bubble cap and its related parts, first the bracket is is passed through the hole in the tray withknocked through the hooked upper end of the tie rod thereby drawing and holding the assembly in its assembled relation. It will readily be seen that the above described assembling operation is very quick and simple, saving considerable time. In disassembling the structure the tapered key is removed whereupon every part of the assembly can be quickly and easily removed. of course it will be understood that the assembling operation as above described is performed by two men, one man working above and another man working beneath the tray plate l5. Although a specific construction of a ceramic bubble cap assembly is illustrated and described, within the scope of the following claim.
. I claim:
A ceramic bubble cap assembly comprising in combination a bubble cap tray, a chimney and a cap, said chimney having an annular seat at its base fitting an opening in the tray, a bracket having a center portion engaging the lower inside surface of the chimney and also having end lug portions engaging the under side of said tray.
and a tie rod engaging said bracket and extending upwardly through the assembly and fastened at its upper end to a tapered key. said key bearing
US465117A 1942-11-10 1942-11-10 Ceramic bubble cap Expired - Lifetime US2351855A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445083A (en) * 1943-10-15 1948-07-13 Merrill R Reed Bubble cap structure for fractionating towers
US2510556A (en) * 1947-12-18 1950-06-06 Lummus Co Bubble cap and riser tube assembly
US2525064A (en) * 1947-11-20 1950-10-10 Standard Oil Dev Co Multiple bell cap clamp
US2612360A (en) * 1947-02-01 1952-09-30 Braun & Co C F Bubble cap and holddown device
US2650809A (en) * 1949-09-26 1953-09-01 Braun & Co C F Bubble cap and riser assembly
US2653018A (en) * 1952-01-04 1953-09-22 Gilbert & Barker Mfg Co Fastening device for bubble cap assemblies
US20040237858A1 (en) * 2003-05-29 2004-12-02 Mikhail Maryamchik Bubble cap assembly

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445083A (en) * 1943-10-15 1948-07-13 Merrill R Reed Bubble cap structure for fractionating towers
US2612360A (en) * 1947-02-01 1952-09-30 Braun & Co C F Bubble cap and holddown device
US2525064A (en) * 1947-11-20 1950-10-10 Standard Oil Dev Co Multiple bell cap clamp
US2510556A (en) * 1947-12-18 1950-06-06 Lummus Co Bubble cap and riser tube assembly
US2650809A (en) * 1949-09-26 1953-09-01 Braun & Co C F Bubble cap and riser assembly
US2653018A (en) * 1952-01-04 1953-09-22 Gilbert & Barker Mfg Co Fastening device for bubble cap assemblies
US20040237858A1 (en) * 2003-05-29 2004-12-02 Mikhail Maryamchik Bubble cap assembly
US6868795B2 (en) 2003-05-29 2005-03-22 The Babcock & Wilcox Company Bubble cap assembly

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