CN2568271Y - Film applicator of sheet type falling-film evaporator - Google Patents
Film applicator of sheet type falling-film evaporator Download PDFInfo
- Publication number
- CN2568271Y CN2568271Y CN 02253253 CN02253253U CN2568271Y CN 2568271 Y CN2568271 Y CN 2568271Y CN 02253253 CN02253253 CN 02253253 CN 02253253 U CN02253253 U CN 02253253U CN 2568271 Y CN2568271 Y CN 2568271Y
- Authority
- CN
- China
- Prior art keywords
- cloth
- film
- angle
- plate
- lamina membranacea
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000010408 film Substances 0.000 title abstract 15
- 239000011552 falling film Substances 0.000 title abstract 2
- 238000009826 distribution Methods 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims description 69
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 4
- 238000004131 Bayer process Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000265 homogenisation Methods 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a film applicator of sheet type falling-film evaporator, which is suitable for the evaporation of a bayer process mother liquor which is generated by an alumina. The film applicator comprises a film applying box, a distributing pipe, a distributing plate, a spread angle, a film applying angle, an upper frame seat of a film applying plate, a lower frame seat of a film applying plate, and a film applying plate. The utility model uses the distributing pipe to realize the primary distribution of solution, and then the solution realizes longitudinal and transverse homogenization when the solution enters the film applying box. A two-stage distribution of the solution is realized respectively by the film applying angle and the film applying plate, and the solution forms uniform liquid film. Then the uniform liquid film falls down along a heating plate of an evaporator, and the moisture is evaporated. The cleaning period of the film applicator is extended to 40 days from 2 to 3 days, and the film applicator dose not have blockage. Meanwhile, the effect is obvious.
Description
Technical field
The utility model relates to a kind of filming device of plate-type down-film evaporator, is applicable to the Bayer process mother liquid evaporation of alumina producing.
Background technology
Plate-type evaporator has been widely used in industries such as papermaking, chemical industry, and has entered in the alumina producing.The filming device of plate-type evaporator is the flat board of three layers of boring, and the sheet that the hole through use finding its second and third laminate is being come off after 2-3 days in operation scabs and blocks or cling, and makes the filming device can not the cloth film, and the cleaning that is forced to stop scabs, first imitate the most serious.Its reason is because separating out with foulings such as sodium white residue, calcium-silicon slags during the Bayer process mother liquid evaporation in the alumina producing, on the plate attached to plate-type evaporator, the back formation sheet that comes off scabs, and enters filming device through circulating pump and forms obstruction, directly influences cloth film effect and evaporation efficiency.
Summary of the invention
The purpose of this utility model is at existing plate-type down-film evaporator easy blocking problem of filming device in alumina industry is produced, and proposes a kind of filming device of not susceptible to plugging plate-type down-film evaporator.
In order to achieve the above object, the utility model by the following technical solutions.
A kind of filming device of plate-type down-film evaporator is characterized in that it comprises:
Cloth film case-it is by the rectangular box that channel-section steel and angle steel are welded, and takes up the cloth film structural component;
Directly over distributing pipe-the be positioned at cloth film case, with the feed pipe Joint, its length is the 85%-90% of cloth film case length, and the downside of distributing pipe vertically is provided with row's bar hole;
Distribution plate-by thickness is that the steel plate of 5mm is spliced, level is installed on the interior angle steel of cloth film case, length in its length and the cloth film case is identical, distribution plate is provided with the 4-6 horizontal row to distribution and the bar hole of vertically arranging one by one, the horizontal spacing of bar hole is 155mm-165mm, and longitudinal pitch is 115mm-125mm;
The angle steel that spread angle-its length is identical with the length of distribution plate is made, and the transverse row number of bar hole is identical on its quantity and the distribution plate, respectively level vertically be installed in distribution plate horizontal every row's bar hole under, be supported on the angle steel of cloth film case;
Coating film angle-its length is identical with the width of distribution plate, by thickness be the steel plate of 1.5mm-2.0mm to curve its angle that both sides equate be 25 °-35 ° A type, horizontal cross is installed in the below of spread angle respectively, is supported on the angle steel of cloth film case;
One side skeleton frame on the cloth lamina membranacea-be the longitudinally uniform limit groove that is split into wide 6mm by angle steel; Vertically be welded on the both sides inwall of cloth film case;
Cloth lamina membranacea lower frame seat-be by channel-section steel edge-on with the welding of both sides, cloth film chamber interior wall bottom, Yi Bian the upside of channel-section steel longitudinally uniform be split into the cloth lamina membranacea on the skeleton frame limit corresponding width of groove be the limit groove of 6mm,
The rectangular slab of cloth lamina membranacea-make for the 3mm steel plate by thickness, vertically be installed in the 6mm limit groove of the upper and lower skeleton frame correspondence of cloth lamina membranacea, be positioned at the below of coating film angle, be supported on the another side with the cloth lamina membranacea lower frame seat channel-section steel of both sides, cloth film chamber interior wall bottom welding, the limit groove quantity that the quantity of cloth lamina membranacea and the upper and lower skeleton frame of cloth lamina membranacea are corresponding is identical.
Owing to take technique scheme, the utility model has been realized the elementary distribution of solution by distributing pipe, make solution when entering cloth film case, just finish the vertical and horizontal homogenizing, realize the two-stage cloth film of solution more respectively by coating film angle and cloth lamina membranacea, make solution form uniform liquid film, heating plate along evaporimeter descends then, and moisture is evaporated.The cleaning cycle of filming device extended to 40 days by 2-3 days and does not occur stopping up, and effect is obvious.
Description of drawings
Fig. 1 is a vertical structure schematic diagram of the present utility model.
Fig. 2 is the utility model transversary schematic diagram.
Fig. 3 is the distributor schematic diagram.
Fig. 4 is a skeleton frame schematic diagram on cloth lamina membranacea and the cloth lamina membranacea.
The specific embodiment
In conjunction with the accompanying drawings the utility model is further described as follows.
A kind of filming device of plate-type down-film evaporator is characterized in that it comprises: cloth film case 3-it is by the rectangular box that channel-section steel and angle steel are welded, and takes up the cloth film structural component; Under distributing pipe 2-the be positioned at cloth film case, with feed pipe 1 Joint, distributing pipe is fixed on the feed pipe, the length of distributing pipe is the 85%-90% of cloth film case length, the downside of distributing pipe vertically is provided with row's bar hole, realized the elementary distribution of solution, made solution when entering cloth film case, finish the vertical and horizontal homogenizing; Distribution plate 4-is that the steel plate of 5mm is spliced by thickness, level is installed on the interior angle steel of cloth film case, length in its length and the cloth film case is identical, distribution plate is provided with the 4-6 horizontal row to distribution and the bar hole of vertically arranging one by one, the horizontal spacing of bar hole is 155mm-165mm, longitudinal pitch is 115mm-125mm, relies on and arranges the one-level distribution that orderly bar hole is realized solution on the distribution plate; The angle steel that its length of spread angle 5-is identical with the length of distribution plate is made, the transverse row number of bar hole is identical on its quantity and the distribution plate, respectively level vertically be installed in distribution plate horizontal every row's bar hole under, be supported on the angle steel 11 of cloth film case, distribute by its secondary of realizing solution; Its length of coating film angle 6-is identical with the width of distribution plate, by thickness be the steel plate of 1.5mm-2.0mm to curve its angle that both sides equate be 25 °-35 ° A type, horizontal cross is installed in the below of spread angle respectively, is supported on the angle steel 12 of cloth film case; Realize the one-level cloth film of solution by coating film angle; Skeleton frame 8-is by the longitudinally uniform limit groove that is split into wide 6mm in one side of angle steel on the cloth lamina membranacea; Vertically be welded on the both sides inwall of cloth film case; Cloth lamina membranacea lower frame seat 9-be to weld with both sides, cloth film chamber interior wall bottom by channel-section steel is edge-on, the upside of channel-section steel is longitudinally uniform on one side be split into the cloth lamina membranacea on the skeleton frame limit corresponding width of groove be the limit groove of 6mm, cloth lamina membranacea 7-by thickness is that the steel plate of 3mm is made rectangular slab, vertically be installed on the cloth lamina membranacea, in the 6mm limit groove of lower frame seat correspondence, be positioned at the below of coating film angle, be supported on the another side of the cloth lamina membranacea lower frame seat channel-section steel that welds with both sides, cloth film chamber interior wall bottom, on the quantity of cloth lamina membranacea and the cloth lamina membranacea, the limit groove quantity of lower frame seat correspondence is identical, just the quantity of cloth lamina membranacea is identical with the heating plates quantity of evaporimeter, this cloth lamina membranacea has been realized the secondary cloth film of solution, makes solution form uniform liquid film.
Claims (1)
1. the filming device of a plate-type down-film evaporator is characterized in that it comprises:
Cloth film case-it is by the rectangular box that channel-section steel and angle steel are welded, and takes up the cloth film structural component;
Directly over distributing pipe-the be positioned at cloth film case, with the feed pipe Joint, its length is the 85%-90% of cloth film case length, and the downside of distributing pipe vertically is provided with row's bar hole;
Distribution plate-by thickness is that the steel plate of 5mm is spliced, level is installed on the interior angle steel of cloth film case, length in its length and the cloth film case is identical, distribution plate is provided with the 4-6 horizontal row to distribution and the bar hole of vertically arranging one by one, the horizontal spacing of bar hole is 155mm-165mm, and longitudinal pitch is 115mm-125mm;
The angle steel that spread angle-its length is identical with the length of distribution plate is made, and the transverse row number of bar hole is identical on its quantity and the distribution plate, respectively level vertically be installed in distribution plate horizontal every row's bar hole under, be supported on the angle steel of cloth film case;
Coating film angle-its length is identical with the width of distribution plate, by thickness be the steel plate of 1.5mm-2.0mm to curve its angle that both sides equate be 25 °-35 ° A type, horizontal cross is installed in the below of spread angle respectively, is supported on the angle steel of cloth film case;
One side skeleton frame on the cloth lamina membranacea-be the longitudinally uniform limit groove that is split into wide 6mm by angle steel; Vertically be welded on the both sides inwall of cloth film case;
Cloth lamina membranacea lower frame seat-be by channel-section steel edge-on with the welding of both sides, cloth film chamber interior wall bottom, Yi Bian the upside of channel-section steel longitudinally uniform be split into the cloth lamina membranacea on the skeleton frame limit corresponding width of groove be the limit groove of 6mm,
The rectangular slab of cloth lamina membranacea-make for the 3mm steel plate by thickness, vertically be installed in the 6mm limit groove of the upper and lower skeleton frame correspondence of cloth lamina membranacea, be positioned at the below of coating film angle, be supported on the another side with the cloth lamina membranacea lower frame seat channel-section steel of both sides, cloth film chamber interior wall bottom welding, the limit groove quantity that the quantity of cloth lamina membranacea and the upper and lower skeleton frame of cloth lamina membranacea are corresponding is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253253 CN2568271Y (en) | 2002-09-05 | 2002-09-05 | Film applicator of sheet type falling-film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02253253 CN2568271Y (en) | 2002-09-05 | 2002-09-05 | Film applicator of sheet type falling-film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2568271Y true CN2568271Y (en) | 2003-08-27 |
Family
ID=33722462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02253253 Expired - Lifetime CN2568271Y (en) | 2002-09-05 | 2002-09-05 | Film applicator of sheet type falling-film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2568271Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451496C (en) * | 2007-05-10 | 2009-01-14 | 上海交通大学 | Refrigerant distributor of compression refrigeration falling-film evaporator |
| CN101920119A (en) * | 2009-06-11 | 2010-12-22 | 张家港市化工机械有限公司 | Film distribution structure in plate-type falling film evaporator |
| CN102961883A (en) * | 2012-11-14 | 2013-03-13 | 重庆市三耕储环保科技有限公司 | Falling film evaporator |
| CN105561613A (en) * | 2016-03-01 | 2016-05-11 | 张家港富瑞重型装备有限公司 | Liquid distributor of platy evaporator |
| CN105737618A (en) * | 2014-12-12 | 2016-07-06 | 沈阳铝镁设计研究院有限公司 | Method for preventing direct heat exchanger from scabbing for utilization ofaluminium oxide roasting furnace exhaust waste heat |
-
2002
- 2002-09-05 CN CN 02253253 patent/CN2568271Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451496C (en) * | 2007-05-10 | 2009-01-14 | 上海交通大学 | Refrigerant distributor of compression refrigeration falling-film evaporator |
| CN101920119A (en) * | 2009-06-11 | 2010-12-22 | 张家港市化工机械有限公司 | Film distribution structure in plate-type falling film evaporator |
| CN102961883A (en) * | 2012-11-14 | 2013-03-13 | 重庆市三耕储环保科技有限公司 | Falling film evaporator |
| CN102961883B (en) * | 2012-11-14 | 2014-11-26 | 重庆市三耕储环保科技有限公司 | Falling film evaporator |
| CN105737618A (en) * | 2014-12-12 | 2016-07-06 | 沈阳铝镁设计研究院有限公司 | Method for preventing direct heat exchanger from scabbing for utilization ofaluminium oxide roasting furnace exhaust waste heat |
| CN105737618B (en) * | 2014-12-12 | 2018-07-06 | 沈阳铝镁设计研究院有限公司 | Aluminum oxide roasting furnace flue gas UTILIZATION OF VESIDUAL HEAT IN direct heat exchanger prevents the method to scab |
| CN105561613A (en) * | 2016-03-01 | 2016-05-11 | 张家港富瑞重型装备有限公司 | Liquid distributor of platy evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120905 Granted publication date: 20030827 |