CN1792827A

CN1792827A - Vapor, water four-grade separating water distilling machine

Info

Publication number: CN1792827A
Application number: CN 200510061776
Authority: CN
Inventors: 冯岳松; 顾长勤; 张朝龙; 冯礼会
Original assignee: ZHENGUO PHARMACEUTICALS APPARATUS MANUFACTURING Co Ltd NINGBO CITY
Current assignee: Xiangshan Medical Precision Instrument Co., Ltd.
Priority date: 2005-12-02
Filing date: 2005-12-02
Publication date: 2006-06-28
Anticipated expiration: 2025-12-02
Also published as: CN100390073C

Abstract

A distilled water maker with 4-stage separation of steam and water for preparing high-purity distilled water has a tube-array falling-file evaporator and an external high-speed spiral defoaming separator with an external spiral plate arranged outside the wall of pre-heater for avoiding the friction damage of high-speed gas to the cylinder of evaporator. The evaporating chamber and steam-water separating chamber of said evaporator can play the role of stage-one and stage-two low-speed gravitational separations. The external high-speed spiral defoaming separator is used for the stage-three separation. The high-speed spiral defoaming separator is used for the stage-four separation.

Description

Vapour, water four-grade separating water distilling machine

Technical field

The present invention relates to separation technology field, especially relate to the distillation technique field.

Background technology

Distilled water is of many uses, in order to make purified distilled water, generally all adopts vapour, water one-level to three grade isolating multi-effect water distillator at present, can make the distilled water that makes pure basically; But be difficult to avoid and make steam moist because vapour, the water sepn in the still-process gets not thoroughly, contain bacterial endotoxin etc. sometimes, cause the distilled water that makes pure inadequately.

Summary of the invention

The objective of the invention is provides a kind of vapour, water four-grade separating water distilling machine in order to overcome the deficiency of prior art, makes vapour, water sepn better effects if, and the pure steam of producing like this is very dry, unprecedented pure of the distilled water that makes.

For achieving the above object, technical scheme of the present invention is such: a kind of vapour, water four-grade separating water distilling machine comprise tubulation falling-film evaporator and external external spiral high speed foam removal separator; Raw water passes through water distribution board in the tubulation falling-film evaporator, form thin film evaporation at every generating tube inwall total length internal surface, secondary steam that is produced and superfluous raw water are respectively along tube hub and the tube wall swash of wave from top to bottom, wherein raw water is because action of gravity, the nature straight line is gone to down the vaporizer of imitating to the bottom, separate chamber of down-wass to the vaporizer bottom; Secondary steam is then spent low speed upward movement vertically upward in evaporator separating chamber internal rotation direction 180, in this process, the tiny globule of the band of wrapping up in the secondary steam, become the bigger globule by perikinetic aggregation, under action of gravity, form second stage low-speed motion gravity separation again, make secondary steam become comparatively dry, pure; After the I and II of secondary steam by evaporator separating chamber separates, take over folding via the secondary steam on separator top and turn 90 degrees and enter external spiral high speed foam removal separator; The spiral plate of this separator is located at outside the preheating wall, forms one with preheater; Continue the low speed upward movement in the big cavity in bottom of secondary steam in external spiral high speed foam removal separator, form low-speed motion gravity separation again, make secondary steam become further dry, pure; Secondary steam continues to enter the spiral high speed foam removal disengaging zone that the cross section greatly reduces by big cavity, carrying out the fourth stage separates, under the centrifugation of high speed rotating, secondary steam comprised＜little fog point and the heavy metal ion and the bacterial endotoxin etc. of 50 μ m diameters, can get rid of to isolating barrel along the centrifugation of tangent to helix direction, and collect in separate chamber bottom downwards along barrel and discharge, secondary steam is separated completely, dry and purified secondary steam enters down 1st effective evaporator as heating source by the steam drain on spiral high speed scum dredger top, enter condenser at last, be condensed into pure distilled water.

Owing to adopted technique scheme, a kind of vapour of the present invention, water four-grade separating water distilling machine, carrying out the low-speed motion gravity separation respectively by two containers separates with the spiral high speed centrifugation, make raw water in vaporizer, just obtain having separated more fully, have only secondary steam to enter external spiral high speed centrifugation separator, carry out third and fourth grade separation, stopped the possibility of secondary steam and raw water generation crossed contamination fully, make vapour, water sepn better effects if, can reach about 5/100000ths, pure steam of producing and distilled water are unprecedented dry and pure; It is outer outside being located at vaporizer simultaneously spiral plate to be arranged on preheater, can avoid evaporator tube damaged by the wear oxidation that the gas high-speed motion causes in the external spiral, improves work-ing life.

Description of drawings

Below in conjunction with drawings and Examples the present invention is described in detail.

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the partial structure enlarged diagrams of parts 4 water distributors of the present invention.

Among the figure: 1, the tubulation falling-film evaporator, 2, the heating steam inlet, 3, the raw water import, 4, water distributor, 5, tubulation falling film evaporation chamber, 6, low-speed motion gravity separation district, 7, steam-water separation chamber, 8, the natural gravity disengaging zone, 9, go down to imitate the raw water outlet, 10, steam connection, 11, the raw water preheating inlet, 12, raw water preheating outlet, 13, heat exchanger tube, 14, preheater, 15, spiral high speed centrifugation disengaging zone, 16, spiral plate, 17, external spiral high speed foam removal separator, 18, low-speed motion gravity separation district, 19, connect dish, 20, take over 21, visor, 22, filter screen, 23, condensation-water drain, 24, water port, 25, the clean steam outlet, 26, one section tube wall of vaporizer tubulation head, 27, multi-head spiral.

Embodiment

Shown in accompanying drawing, a kind of vapour of the present invention, water four-grade separating water distilling machine comprise tubulation falling-film evaporator 1 and external external spiral high speed foam removal separator 17; Divide two sections in tubulation falling-film evaporator housing, epimere is tubulation falling film evaporation chamber 5, and hypomere is a steam-water separation chamber 7; The tubulation falling film evaporation is evenly equipped with tubulation in the chamber, establishes water distributor 4 on it, links to each other with the raw water import 3 of opening on the tubulation falling-film evaporator end socket, and the tubulation outer wall leads to steam, links to each other with heating steam inlet 2 and the condensation-water drain 23 opened on the tubulation falling-film evaporator housing; The tubulation lower end links to each other with the dish 19 that connects that places steam-water separation chamber 7 tops, connects the adapter 20 that connects under the dish and places the steam-water separation chamber center, and its outlet below forms natural gravity disengaging zone 8, then forms low-speed motion gravity separation district 6 outside taking over; Be provided with filter screen 22 in steam-water separation chamber 7 bottoms, under connect down and imitate raw water outlet 9, the tubulation falling-film evaporator tank skin of filter screen epimere is provided with visor 21, steam connection 10 is arranged at steam-water separation chamber top, itself and secondary steam ascent direction are folding and turn 90 degrees layout, join with external spiral high speed foam removal separator 17; Said external spiral high speed foam removal separator is established one deck and is isolated barrel in tank skin, the spiral plate 16 of isolating in the barrel is located at outside preheater 14 walls, forms spiral high speed centrifugation disengaging zone 15 therebetween, is a big cavity under it, is low-speed motion gravity separation district 18; Be provided with clean steam outlet 25 at external spiral high speed foam removal separator top tank skin, the bottom joins by isolating barrel and water port 24; In the said preheater 14 heat exchanger tube 13 is arranged, top is provided with the raw water preheating and imports and exports 11,12, and the bottom is by the condensate pipe mouth of a river 24 of running in;

Said water distributor 4 is one section tube wall of head, the 26 making multi-head spirals 27 that advance raw water at each root pipe of vaporizer tubulation bundle, makes raw water carry out the spirrillum water distribution to tubulation, falls along tube wall to form the spirrillum liquid film.

Claims

1, a kind of vapour, water four-grade separating water distilling machine have a tubulation falling-film evaporator (1), and in this vaporizer (1), epimere is tubulation falling film evaporation chamber (5), and hypomere is steam-water separation chamber (7); The tubulation falling film evaporation is evenly equipped with tubulation in the chamber, establishes water distributor (4) on it, it is characterized in that: an also external external spiral high speed foam removal separator (17), and the steam connection (10) on it and said steam-water separation chamber (7) top joins; Said external spiral high speed foam removal separator, in tank skin, establish one deck and isolate barrel, the spiral plate (16) of isolating in the barrel is located at outside preheater (14) wall, it under it big cavity, external spiral high speed foam removal separator top tank skin is provided with clean steam outlet (25), and big cavity bottom joins by isolating barrel and water port (24).

2, a kind of vapour according to claim 1, water four-grade separating water distilling machine is characterized in that: said steam connection (10) becomes an angle of 90 degrees to arrange with tubulation falling-film evaporator (1) tank skin.

3, a kind of vapour according to claim 1, water four-grade separating water distilling machine is characterized in that: said water distributor (4) is one section tube wall of head (26) making multi-head spiral (27) that advances raw water at each root pipe of vaporizer tubulation bundle.