CN104096373A - Distillating tower washing section return oil distributor - Google Patents

Distillating tower washing section return oil distributor Download PDF

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Publication number
CN104096373A
CN104096373A CN201410370701.4A CN201410370701A CN104096373A CN 104096373 A CN104096373 A CN 104096373A CN 201410370701 A CN201410370701 A CN 201410370701A CN 104096373 A CN104096373 A CN 104096373A
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China
Prior art keywords
washing section
destilling tower
distribution plate
filler
flow distribution
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CN201410370701.4A
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Chinese (zh)
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CN104096373B (en
Inventor
李书龙
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Anhui Guofu Environmental Technology Co ltd
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ANHUI GUOFU LUBRICANT INDUSTRY Co Ltd
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Abstract

The invention discloses a distillating tower washing section return oil distributor, which comprises a return oil distributor, a filler condensation section, a distribution board, an L-shaped long board, a ring-shaped collection tank, an oil outlet and a filler washing section, wherein the filler condensation section is arranged below the return oil distributor; a distribution board is arranged under the filler condensation section; the L-shaped long board is fixed on the distribution board via bolts, and the ring-shaped liquid collection tank is arranged under the L-shaped long board; the oil outlet is formed in the ring-shaped liquid collection tank; the filler washing section is arranged under the ring-shaped liquid collection tank. According to the invention, the filler washing section return oil can be supplied in the tower, and a set of return oil feeding system is not needed to be additionally arranged, so that the equipment investment is lowered; the height difference between the distribution board and the L-shaped long board can be regulated, and the flux of the return oil can be regulated; a sawtooth shaped lower end surface is arranged on the distribution board, as a result, the filler washing section return oil is uniformly distrusted, and the washing effect is improved; the filler washing section has the effects of washing and rectifying, and improves the rectifying efficiency.

Description

Destilling tower washing section withdrawing oil distribution apparatus
Technical field
The present invention relates to a kind of vacuum distillation plant, be specifically related to a kind of destilling tower washing section withdrawing oil distribution apparatus in petrochemical industry production.
Background technology
Extract in the production process of lube base oil at waste lubricant oil regeneration, first waste lubricating oil removes mechanical admixture, most water by sedimentation, then isolates remaining moisture through atmospheric distillation tower; The material that removes mechanical admixture and moisture enters one-level destilling tower, isolates light diesel fuel; Material after one-level distillation enters the decompression distillation of secondary distillation tower, isolates distillate and vinasse, and distillate becomes lube base oil through refining, after mediation, sells as product, and vinasse is as fuel.In secondary distillation tower, be provided with filler condensation segment, padding washing section from top to bottom.In order to ensure the rectifying quality of secondary distillation tower, must be to the withdrawing oil of filler condensation segment, padding washing section spray proper temperature and flow.At present, conventional method is that a withdrawing oil distributor is respectively set above filler condensation segment, padding washing section.Owing to being provided with two withdrawing oil distributors, two covers independently withdrawing oil heating and temperature control system, holding vessel, conveyance conduit separately must be set, cause the manufacturing expense of device to increase, thermal losses rises, delivery pump quantity and power consumption be corresponding increase also.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the destilling tower washing section withdrawing oil distribution apparatus that provides a kind of oneself to supply with, can improve rectifying quality, reduce production costs.
For achieving the above object, destilling tower washing section withdrawing oil distribution apparatus of the present invention, comprises destilling tower, also comprises withdrawing oil distributor, and described withdrawing oil distributor is fixed on the inwall of destilling tower near upper end; Withdrawing oil distributor below is provided with filler condensation segment; What filler condensation segment below was parallel to each other is provided with polylith flow distribution plate, and described flow distribution plate is fixed on the sidewall of destilling tower; On flow distribution plate, be provided with elongated slot, multiple " L, " shape long slab is by being arranged at bolt being fixed on polylith flow distribution plate of correspondence respectively in elongated slot, and the upper surface of flow distribution plate is not less than the upper surface of " L " shape long slab; On the destilling tower inwall of " L " shape long slab below, be provided with the annular collecting tank of an opening upwards, annular collecting tank outside is fixed on destilling tower inwall, annular collecting tank inside upper part with " L,, the two ends of shape long slab connect; On the space that destilling tower sidewall and annular collecting tank surround, be provided with oil-out; Annular collecting tank below is provided with padding washing section.
Parallel clearance between described flow distribution plate and " L " shape long slab is 5～8mm.
Between described flow distribution plate and " L " shape long slab, difference in height is adjustable.
Described flow distribution plate is with a jagged lower surface.
The present invention compared with prior art has the following advantages:
(1) the required withdrawing oil of padding washing section is obtained from the shunting of " L " shape long slab outside by flow distribution plate, realizes oneself in padding washing section withdrawing oil tower and supplies with, and no longer needs withdrawing oil feed system is set separately, has reduced equipment investment;
(2) reduce a set of withdrawing oil feed system, simplified production operation flow process, reduced production run expense, improved device reliability of operation;
(3) between flow distribution plate and " L " shape long slab, difference in height is adjustable, by adjusting difference in height between long slab and flow distribution plate, can adjust neatly the flow of the required withdrawing oil of padding washing section.
(4) jagged lower surface on flow distribution plate, is uniformly distributed padding washing section withdrawing oil, has improved clean result.
(5) padding washing section possesses the double action of washing and rectifying simultaneously, has improved rectification efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of destilling tower washing section withdrawing oil distribution apparatus of the present invention;
Fig. 2 is the partial enlarged drawing of the hydrops groove of destilling tower washing section withdrawing oil distribution apparatus of the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the cutaway view of Fig. 1 along A-A line.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4 be visible, destilling tower washing section withdrawing oil distribution apparatus of the present invention, comprises destilling tower 1, withdrawing oil distributor 2, filler condensation segment 3, flow distribution plate 4, " L " shape long slab 5, annular collection trough 7, oil-out 8, padding washing section 9; Withdrawing oil distributor 2 is fixed on the inwall of destilling tower 1 near upper end; Withdrawing oil distributor 2 belows are provided with filler condensation segment 3; Filler condensation segment 3 belows are provided with polylith flow distribution plate 4, and flow distribution plate 4 is fixed on the sidewall of destilling tower 1; On every flow distribution plate 4, be all provided with elongated slot 40, " L " shape long slab 5 is fixed on flow distribution plate 4 by the bolt 6 being arranged in elongated slot 40, the upper surface of flow distribution plate 4 is not less than the upper surface of " L " shape long slab 5, " L " shape long slab 5 and flow distribution plate 4 differences in height can according to shunt volume number regulate; On destilling tower 1 inwall of " L " shape long slab 5 belows, be provided with the annular collecting tank 7 of an opening upwards, annular collecting tank 7 outsides are fixed on destilling tower inwall, and annular collecting tank 7 inside upper part are connected with the two ends of " L " shape long slab 5; On the space that destilling tower 1 sidewall and annular collecting tank 7 surround, set out hydraulic fluid port 8; Annular collecting tank 7 belows arrange padding washing section 9.
When distillation, vavuum pump is connected with the vacuum interface 11 of destilling tower 1 upper end, startup vavuum pump is extracted into destilling tower 1 inside the vacuum of regulation; The material inlet 10 arranging from destilling tower 1 bottom sidewall through the high-temperature material of heating enters in destilling tower, wherein the material of vaporization is not discharged by the raffinate outlet 12 that is arranged on destilling tower 1 lower end, and the material of vaporization enters washing, cooling in padding washing section 9, do not have cooling gaseous state material to continue to rise, a part drops onto in padding washing section 9 after flow distribution plate 4 and the 5 outside condensations of " L " shape long slab, to vaporization material wash, cooling; Another part rises and enters in filler condensation segment 3, is fallen in the groove of " L " shape long slab 5 after cooling by the withdrawing oil of ejection from withdrawing oil distributor 2, is pooled in annular collecting tank 7, draws, thereby complete the still-process of a material through oil-out 8.

Claims (4)

1. a destilling tower washing section withdrawing oil distribution apparatus, comprise destilling tower (1), it is characterized in that: also comprise withdrawing oil distributor (2), described withdrawing oil distributor (2) is fixed on destilling tower (1) near on the inwall of upper end; Withdrawing oil distributor (2) below is provided with filler condensation segment (3); What filler condensation segment (3) below was parallel to each other is provided with polylith flow distribution plate (4), and described flow distribution plate (4) is fixed on the sidewall of destilling tower (1); On flow distribution plate (4), be provided with elongated slot (40), multiple " L " shape long slab (5) is by being arranged at bolt (6) being fixed on polylith flow distribution plate (4) of correspondence respectively in elongated slot (40), and the upper surface of flow distribution plate (4) is not less than the upper surface of " L " shape long slab (5); On destilling tower (1) inwall of " L " shape long slab (5) below, be provided with the annular collecting tank (7) of an opening upwards, annular collecting tank (7) outside is fixed on destilling tower inwall, and annular collecting tank (7) inside upper part is connected with the two ends of " L " shape long slab (5); On the space that destilling tower (1) sidewall and annular collecting tank (7) surround, be provided with oil-out (8); Annular collecting tank (7) below is provided with padding washing section (9).
2. destilling tower washing section withdrawing oil distribution apparatus as claimed in claim 1, is characterized in that: the parallel clearance between described flow distribution plate (4) and " L " shape long slab (5) is 5～8mm.
3. destilling tower washing section withdrawing oil distribution apparatus as claimed in claim 1 or 2, is characterized in that: between described flow distribution plate (4) and " L " shape long slab (5), difference in height is adjustable.
4. destilling tower washing section withdrawing oil distribution apparatus as claimed in claim 1 or 2, is characterized in that: described flow distribution plate (4) is with a jagged lower surface (41).
CN201410370701.4A 2014-07-28 2014-07-28 Destilling tower washing section withdrawing oil distribution apparatus Active CN104096373B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410370701.4A CN104096373B (en) 2014-07-28 2014-07-28 Destilling tower washing section withdrawing oil distribution apparatus

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Application Number Priority Date Filing Date Title
CN201410370701.4A CN104096373B (en) 2014-07-28 2014-07-28 Destilling tower washing section withdrawing oil distribution apparatus

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CN104096373B CN104096373B (en) 2015-08-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492305A (en) * 1937-03-18 1938-09-19 Centrifix Corp Improved contacting process and apparatus
GB1400836A (en) * 1971-06-01 1975-07-23 Stork Amsterdam Method and device for vacuum treatment of liquids by means of a gaseous stripmedium
CN202173800U (en) * 2011-08-25 2012-03-28 温州正展机械有限公司 Internal circulation feed liquid collector
CN202942670U (en) * 2012-10-23 2013-05-22 唐山三孚硅业股份有限公司 Improved silicon tetrachloride rectifying tower
CN203971430U (en) * 2014-07-28 2014-12-03 安徽国孚润滑油工业有限公司 Destilling tower washing section withdrawing oil distribution apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492305A (en) * 1937-03-18 1938-09-19 Centrifix Corp Improved contacting process and apparatus
GB1400836A (en) * 1971-06-01 1975-07-23 Stork Amsterdam Method and device for vacuum treatment of liquids by means of a gaseous stripmedium
CN202173800U (en) * 2011-08-25 2012-03-28 温州正展机械有限公司 Internal circulation feed liquid collector
CN202942670U (en) * 2012-10-23 2013-05-22 唐山三孚硅业股份有限公司 Improved silicon tetrachloride rectifying tower
CN203971430U (en) * 2014-07-28 2014-12-03 安徽国孚润滑油工业有限公司 Destilling tower washing section withdrawing oil distribution apparatus

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Denomination of invention: Distillating tower washing section return oil distributor

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Address after: Room 407, Building 1, No. 80 Tianzhushan Road, Development Zone, Anqing City, Anhui Province, 246001

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