CN205216236U - Microtubule distillation condensing equipment - Google Patents
Microtubule distillation condensing equipment Download PDFInfo
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- CN205216236U CN205216236U CN201520973405.3U CN201520973405U CN205216236U CN 205216236 U CN205216236 U CN 205216236U CN 201520973405 U CN201520973405 U CN 201520973405U CN 205216236 U CN205216236 U CN 205216236U
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Abstract
The utility model discloses a microtubule distillation condensing equipment, the device can realize the distillation condensation of a small amount of liquid under the ordinary pressure, and be unanimous with heating condensation condition in the normal experiment room, can prevent the liquid bumping simultaneously. The utility model provides a microtubule distillation condensing equipment can cooperate the use with the automatic condensation analysis appearance that distills, realizes the distillation condensation under the ordinary pressure. Microtubule distillation condensing equipment's heating pipe outer wall is equipped with the dot interlace, and the winding of the heating wire of being convenient for is heated, the design of gas -liquid separation ball and olecranon form gas -liquid separation pipe has realized gas -liquid separation, and only steam can get into the condenser pipe, can prevent to wait to distill the liquid bumping and rush in and pollute the fraction in the collecting pipe, the characteristic concave -convex structure of heating pipe inner wall can prevent the bumping.
Description
Technical field
The utility model relates to distilling apparatus, is specifically related to a kind of microtubule distillation condensing unit, and this device may be used for the microtubule distillation condensation of volatile phenol.
Background technology
In analytical chemistry, some are had to comprise the index of the method for testing of distillation condensation, as volatile phenol etc.When measuring this kind of index with online automatic analytical instrument, similar distillation condensation method also to be adopted.
In vitro distillation condensation method, usually adopts conical flask heating, then uses water-cooled condensation.The method reagent consumption is large, and troublesome poeration, device volume is large and frangible, therefore can not directly apply in on-line automatic analyzer device.The various heating-condensing methods adopted in on-line automatic analyzer device, as sealed tube heating film separation etc., all have larger gap with the heating-condensing condition in laboratory, the data recorded usually are forbidden.
According to water quality volatile phenol photometric measurement national standard, need to get 250ml sample pre-distillation.In existing volatile phenol on-line automatic analyzer device, some employing heating films are separated, the capillary tube vaporizing separation of some employings.But these methods all have significant difference with the method that specifies in standard, be therefore necessary to develop a kind of with standard method in highly approximate distillation condensing unit.
Summary of the invention
In order to solve the problem, the utility model provides a kind of microtubule distillation condensing unit, and this device may be used for the microtubule distillation condensation of volatile phenol, is intended to realize the small size distillation condensation under normal pressure, and prevents liquid bumping.
Above-mentioned purpose is achieved by the following technical solution:
A kind of microtubule distillation condensing unit, comprises heating tube, gas-liquid separation ball, condenser pipe and collecting pipe; Described heating tube is provided with lower end interface, and lower end interface is provided with transition tubule, and the inwall of heating tube is provided with feature concaveconvex structure, and the outer wall of heating tube is provided with dot interlace and is wrapped in the heating wire between dot interlace; Described gas-liquid separation ball bottom is communicated with heating tube, top is provided with olecranoid gas-liquid separation pipe, the olecranon portion of this gas-liquid separation pipe is provided with opening and curved surface, opening upwards is also positioned at the top of curved surface, curved surface hooks curved one-tenth olecranon tip obliquely, olecranon tip is attached on gas-liquid separation ball inwall, and the other end of described gas-liquid separation pipe is connected with the upper end of condenser pipe by inclined connecting pipe obliquely; The lower end of described condenser pipe outer tube is provided with water inlet, and upper end is provided with delivery port, and inside is provided with pipe in spiral condensation, and in spiral condensation, the upper end of pipe is communicated with inclined connecting pipe, and lower end is communicated with collecting pipe upper end; Side, described collecting pipe upper end is provided with atmospheric communicating pipe, and lower end is provided with cut liquid outlet.
Further, described collecting pipe is also provided with the level sensor for detecting collecting pipe internal liquid level position.
Further, described feature concaveconvex structure is groove or depression, and the groove width of described groove or the diameter of described depression are between 0.1 ~ 100 μm, and described feature concaveconvex structure is 1 ~ 1000/square centimeter in heating tube inwall distribution density.
Further, described transition capillary inside diameter 0.5 ~ 3mm.
Further, described heating tube internal diameter is 0.5 ~ 5cm.
Further, this device is quartzy material.
Further, the angle between described opening place plane and horizontal plane is 20 ° ~ 45 °.
When utilizing above-mentioned microtubule distillation condensing unit to carry out microtubule distillation condensation, liquid to be distilled enters in heating tube by the transition tubule in end interface under heating tube, and the heating wire being wrapped in heating tube outer wall dot interlace heats heating tube; The feature concaveconvex structure of heating tube inwall contacts with distillating liquid, carries out disturbance stir anti-bumping by the bubble produced to distillating liquid; The distillating liquid adding thermogenetic steam and boiling gas-liquid separation ball and gas-liquid separator tube olecranon part from, steam enters in condenser pipe by gas-liquid separation pipe, inclined connecting pipe, after condensed water condensation, flow to collecting pipe, the cut liquid outlet finally by collecting pipe lower end flows out.
The beneficial effects of the utility model:
(1) under the microtubule distillation condensation method that the utility model provides can realize normal pressure, the distillation condensation of a small amount of liquid, consistent with the heating-condensing in Routine Test Lab, can prevent liquid bumping simultaneously.
(2) the utility model provide microtubule distillation condensing unit can with automatic distillation condensation analyzer with the use of, realize the distillation condensation under normal pressure.The heating tube outer wall of microtubule distillation condensing unit is provided with dot interlace, is convenient to the winding heating of heating wire; The design of gas-liquid separation ball and olecranon shape gas-liquid separation pipe achieves gas-liquid separation, only has steam to enter condenser pipe, can prevent liquid bumping to be distilled from rushing in collecting pipe and pollute cut; The feature concaveconvex structure of heating tube inwall can prevent bumping.
Accompanying drawing explanation
Fig. 1 is microtubule distillation condensing unit structural representation;
Fig. 2 is olecranoid gas-liquid separation tubular construction schematic diagram;
Fig. 3 is heating tube inboard wall groove structural representation;
Fig. 4 is heating tube inwall cave structure schematic diagram.
Wherein, 1, heating tube; 2, gas-liquid separation ball; 3, inclined connecting pipe; 4, condenser pipe; 5, collecting pipe; 6, lower end interface; 7, transition tubule; 8, dot interlace; 9, gas-liquid separation pipe; 10, olecranon portion; 11, olecranon tip; 12, pipe in spiral condensation; 13, condenser pipe outer tube; 14, water inlet; 15, delivery port; 16, atmospheric communicating pipe; 17, cut liquid outlet; 18, level sensor; 19, opening; 20, curved surface.
Detailed description of the invention
The technical solution of the utility model is described in detail below in conjunction with specific embodiment.
A kind of microtubule distillation condensing unit as shown in Figure 1, comprises heating tube 1, gas-liquid separation ball 2, condenser pipe 4 and collecting pipe 5.Heating tube 1 is provided with lower end interface 6, and lower end interface 6 is provided with transition tubule 7, and heating tube 1 inwall is provided with feature concaveconvex structure, and feature concaveconvex structure is groove or depression, as described in Fig. 3-4.The groove width of groove or the diameter of described depression are between 1 ~ 100 μm, and described feature concaveconvex structure is 1 ~ 1000/square centimeter in the inwall distribution density of heating tube 1.The heating wire that heating tube 1 outer wall is provided with dot interlace 8 and is wrapped between dot interlace.Gas-liquid separation ball 2 bottom is communicated with heating tube 1, and top is provided with olecranoid gas-liquid separation pipe 9.Gas-liquid separation pipe 9 is provided with olecranon portion 10(as Fig. 2), olecranon portion 10 is provided with opening 19 and curved surface 20, opening 19 upwards and be positioned at the top of curved surface 20, angle between described opening place plane and horizontal plane is 20 ° ~ 45 °, curved surface 20 hooks curved one-tenth olecranon tip 11 obliquely, olecranon tip 11 is attached on gas-liquid separation ball 2 inwall, and the other end of gas-liquid separation pipe 2 is connected with the upper end of condenser pipe 4 by inclined connecting pipe 3 obliquely.Condenser pipe 4 outer tube lower end is provided with water inlet 14, and upper end is provided with delivery port 15, and inside is provided with pipe 12 in spiral condensation, and in spiral condensation, pipe 12 upper end is communicated with inclined connecting pipe 3, and lower end is communicated with collecting pipe 5 upper end.Side, collecting pipe 5 upper end is provided with atmospheric communicating pipe 16, and lower end is provided with cut liquid outlet 17.For the ease of the liquid level position in detection collecting pipe 5, collecting pipe 5 is also provided with the level sensor 18 for detecting collecting pipe internal liquid level position.Transition capillary inside diameter is between 0.5 ~ 3mm.Heating tube internal diameter is between 0.5 ~ 5cm.In order to improve the Corrosion Protection of device, this device is quartzy material.The groove shown in Fig. 3 and Fig. 4 or depression comparison rule, in fact most cases is irregular, and effect of the present utility model and groove or depression whether rule onrelevant.
Utilize above-mentioned microtubule to distill condensing unit and carry out the method that microtubule distills condensation, liquid to be distilled is entered in heating tube 1 by the transition tubule 7 in heating tube 1 time end interface 6, and the heating wire being wrapped in heating tube 1 outer wall dot interlace starts to heat heating tube 1; The feature concaveconvex structure of heating tube 1 inwall contacts with distillating liquid, produces bubble in a heated condition and continues whole heating process, carries out disturbance stirring by the bubble produced to distillating liquid, suppresses the accumulation of superheated liquid in distillating liquid, avoids bumping; The distillating liquid adding thermogenetic steam and splashing gas-liquid separation ball 2 and gas-liquid separator tube 9 olecranon part from, steam enters in condenser pipe 4 by gas-liquid separation pipe 9, inclined connecting pipe 3, flow in collecting pipe 5 after condensed water condensation, the cut liquid outlet 17 finally by collecting pipe 5 lower end flows out.
only sudden and violent principle of the present utility model:
According to basic characteristics more of the present utility model, do the following hypothesis: (1) heating tube caliber is thin, outer wall heating wire winding comparatively dense, can suppose that heating liquid in pipe can both be heated fully, namely not because heating is insufficient occur that fluid temperature is uneven; (2) heating tube is perpendicular to horizontal plane; (3) heating liquid in pipe is uniform liquid; (4) heating tube temperature almost identical (macroscopically show as identical, microcosmic upper part has small difference) is everywhere supposed.
The feature that feature concaveconvex structure need possess and function: the liquid in feature concaveconvex structure is not easy heat convection, more easily vaporize relative to the distillating liquid of other parts and produce bubble, and be conducive to the growth of bubble, namely feature concaveconvex structure local heating is higher relative to other part distillating liquid local heatings, heat flow density is larger.In order to realize these functions, require that feature uneven structure possesses following features: recess width or depression diameter (should be near 10 μm between 0.1 ~ 100 μm, the possibility of 1-10 is larger), validity feature structure is 1 ~ 1000/square centimeter in heating tube inwall distribution density.The concrete structure of certain feature concaveconvex structure and distillating liquid character (viscosity, specific heat capacity, vapourizing temperature and angle of wetting etc.) and mode of heating and intensity influence each other, and cooperatively interacting only have these three in real work in, it is sudden and violent effectively to stop.
The generation of bubble: start heating after adding distillating liquid in (1) heating tube, just start due to reasons such as surface tension, part on-condensible gas is had in some feature concaveconvex structures, using these on-condensible gases as nucleate points, reach around in the liquid of boiling point and constantly have vaporizing liquid generation steam to be combined with nucleate points, promote that bubble is progressively grown in nucleate points, on the other hand owing to contacting with gas bottom depression, rate of heat transfer is lower than periphery, heat accumulation makes the high and periphery of temperature, thus promote that bubble expands further, bubble is grown in final nucleate points, and depart from feature depression and enter in distillating liquid, (2) along with the generation of first bubble, replace because the on-condensible gas of surface tension in depression is all distilled liquid, simultaneously owing to having isolated the liquid with top bottom part depression in the process of bubble growth, thus make the temperature opposing perimeter temperature bottom feature depression higher, form focus, after bubble parameters leaves, the distillating liquid of bubble roof replaces bubble, these are close, reach boiling temperature or even overheated distillating liquid directly contacts with focus, more easily vaporization produces nucleate points, the same then with (1) of Bubble Formation Process after nucleate points produce, (3) for the situation not having on-condensible gas in some feature concaveconvex structure, as the feature concaveconvex structure of groove-like, residual cleaning liquid etc. is had in the situation that aperture is larger etc. makes surface tension be not enough to support and feature concaveconvex structure, due to the distillating liquid in feature concaveconvex structure relative to the distillating liquid of other parts and the contact area of heating tube larger, therefore local heat flux density is produced larger, again because heat convection is less likely to occur the distillating liquid body in feature concaveconvex structure, thus make the distillating liquid thermal accumlation in feature concaveconvex structure, temperature raises, thus reach evaporation conditions prior to other parts of distillating liquid and vaporize that (state before boiling can be assumed to be: macroscopically distillating liquid entirety all reaches boiling temperature, microcosmic has small temperature contrast: in distillate scapus, create some superheated liquid groups, and superheated liquid group constantly changes under thermal convection current and heat exchange action---merge, division, grow up, reduce, distillating liquid in feature concaveconvex structure has heat exchange and without thermal convection current, therefore the superheated liquid group of this part is relatively stable, and temperature is the highest relative to other portion temperature in distillating liquid, therefore this part distillating liquid is vaporized at first and is produced minimum gas), produce a small amount of bog, simultaneously owing to having isolated bottom part depression in the process of bubble growth and overhead-liquid, thus make the temperature opposing perimeter temperature bottom feature depression higher, form focus, after bubble parameters leaves, the distillating liquid of bubble roof replaces bubble, these are close, reach boiling temperature or even overheated distillating liquid directly contacts with focus, more easily vaporization produces nucleate points, the same then with (2) of Bubble Formation Process after nucleate points produce.
The motion process of bubble is with only sudden and violent: the state when seething with excitement can be assumed to be: macroscopically distillating liquid entirety all reaches boiling temperature, microcosmic has small temperature contrast: in distillate scapus, create some superheated liquid groups, and superheated liquid group constantly changes-merges, divides, grows up, reduces under thermal convection current and heat exchange action.When the excessive or superheated liquid group quantity that superheated liquid group grows up is too much, under small perturbation action, the all right violent vaporization of superheated liquid group produces a large amount of minute bubbles, minute bubbles Fast Growth expands (merging, further vaporization, expanded by heating etc.), final formation bumping, distillating liquid enters condenser pipe and even sputters outside pipe under the effect of bumping.When the distillating liquid vaporization in feature concaveconvex structure produces bubble, although the liquid in distillate scapus has superheated liquid group, but quantity is insufficient, a large amount of minute bubbles can't be formed, at this moment move upward under the effect of buoyancy from the minute bubbles of the disengaging in feature concaveconvex structure, to the liquid around bubble by obviously perturbation action, thus make the superheated liquid group vaporization around bubble, discharge overheated heat, the gas that vaporization produces further promotes the growth of bubble, and when continuing heating and pressure reduces, bubble Fast Growth, because heating tube internal diameter is little, bubble can produce effective disturbance to the fluid column cross section of process very soon, thus eliminate superheated liquid through cross section, thus effectively suppress the accumulation of superheated liquid group in liquid column, the generation of effective suppression bumping, thus realize only sudden and violent.In heating process, continuous heating makes superheated liquid group continue to produce and grow up change, disinthibites so will constantly produce bubble, and wants inhibitory action to be greater than growth change, can ensure bumping not to occur in whole digestion process.Because the inhibitory action of bubble to fluid column upper end is greater than lower end, make the accumulation of lower end superheated liquid group stronger, relatively more easily produce bubble simultaneously, so bubble point is also finally be stabilized in heating tube lower end, the accumulation that finally can effectively suppress the superheated liquid in whole liquid column to be rolled into a ball and growth.
the principle of porous surface augmentation of heat transfer and with difference of the present utility model
Porous surface augmentation of heat transfer is mainly used in strengthening the rate of heat transfer between heater and inside liquid to be heated.The general principle of porous surface augmentation of heat transfer: increase solid-liquid contact area, promotes convective heat transfer liquid near solid-liquid contact face, increases solid-liquid contact face heat transfer efficiency, is usually used in heating, field of radiating.
Similitude: be all that there is surface relief structure, and worked by this structure.
Difference: (1) target is different, porous surface augmentation of heat transfer is to increase heat exchange efficiency, and aperture can not be too small simultaneously, to prevent bubble, and the topmost object of feature concaveconvex structure of the present utility model produces bubble, thus disturbance distillating liquid avoids bumping; (2) structure is different, and the method, in order to increase heat exchange efficiency, increases surperficial heat convection, usually suppress the generation of bubble, therefore concaveconvex structure size is usually comparatively large, and in order to reduce surperficial heat convection in the utility model, promote the generation of bubble, therefore concaveconvex structure size is usually less; (3) principle is different, and the method is by concaveconvex structure, increases solid-liquid contact face, thus increases heat exchange efficiency, and the utility model is by concaveconvex structure, and first the liquid in concaveconvex structure vaporized generation bubble; (4) difference of material, the method generally adopts metal material, and generally adopts quartz in the utility model, and it is also variant that the difference of material determines concaveconvex structure processing method.
zeolite only sudden and violent principle and with difference of the present utility model
In the distillation of laboratory, usually adopt and add zeolite to suppress bumping, zeolite only sudden and violent general principle is, have much natural space in zeolite, and wherein have a lot of on-condensible gas, zeolite is in beaker bottom, in ebuillition of heated process, on-condensible gas expands in the form of bubbles out, enters in distillating liquid, because zeolite is on heating surface, after zeolite is heated, temperature is also very high, liquid in space is also vaporized generation bubble, and bubble motion suppresses bumping, principle with the motion process of bubble in 1 with only sudden and violent.
Similitude: bubble motion produces disturbance, suppresses a large amount of liquid superheat, thus only sudden and violent.
Difference: (1) heating means are different, the method adopts bottom-heated, and zeolite is also sink to bottom, thus can work, and be heat on heating tube tube wall in the utility model, microtubule is vertically placed; (2) generation of bubble is different, and in the method, bubble has zeolite to produce, and in heater base, and is produce on microtubule tube wall in the utility model; (3) principle of bubble that produces of vaporizing liquid is different, and in the method, mainly superheated liquid enters in gap and vaporizes, and is that liquid enters in concaveconvex structure in the utility model, heat vaporized.Because zeolite sinks to bottom, can not the sudden and violent effect of start-stop in the utility model, because heating surface is tube wall instead of bottom in the utility model.
the processing method of feature concaveconvex structure in the utility model
(1) depression type feature structure.Direct employing quartz glass inside pipe wall frosting technology, forms a large amount of quartz sand at inner surface protruding, forms depression by projection.Certainly, the inwall that in this, way is worked it out, the depression ratio really worked is lower.When surface roughness is higher, effect is relatively better.
(2) fluted body feature structure.Adjustment heating voltage, makes heating wire micro-red, passes into cold water fast after milky white pipe is heated to high temperature in milky white pipe, making the tracheal wall near inwall break, forming fluted body feature structure by expanding with heat and contract with cold.Tracheal wall near inwall is fully broken, will ensure that there is violent difference variation milky white pipe inside.Repeat 2 ~ 5 times.
The effect of above-described embodiment is essentiality content of the present utility model is described, but does not limit protection domain of the present utility model with this.Those of ordinary skill in the art should be appreciated that and can modify to the technical solution of the utility model or equivalent replacement, and does not depart from essence and the protection domain of technical solutions of the utility model.
Claims (7)
1. a microtubule distillation condensing unit, is characterized in that: comprise heating tube, gas-liquid separation ball, condenser pipe and collecting pipe; Described heating tube is provided with lower end interface, and lower end interface is provided with transition tubule, and the inwall of heating tube is provided with feature concaveconvex structure, and the outer wall of heating tube is provided with dot interlace and is wrapped in the heating wire between dot interlace; Described gas-liquid separation ball bottom is communicated with heating tube, top is provided with olecranoid gas-liquid separation pipe, the olecranon portion of this gas-liquid separation pipe is provided with opening and curved surface, opening upwards is also positioned at the top of curved surface, curved surface hooks curved one-tenth olecranon tip obliquely, olecranon tip is attached on gas-liquid separation ball inwall, and the other end of described gas-liquid separation pipe is connected with the upper end of condenser pipe by inclined connecting pipe obliquely; The lower end of described condenser pipe outer tube is provided with water inlet, and upper end is provided with delivery port, and inside is provided with pipe in spiral condensation, and in spiral condensation, the upper end of pipe is communicated with inclined connecting pipe, and lower end is communicated with collecting pipe upper end; Side, described collecting pipe upper end is provided with atmospheric communicating pipe, and lower end is provided with cut liquid outlet.
2. microtubule distillation condensing unit according to claim 1, is characterized in that: described collecting pipe is also provided with the level sensor for detecting collecting pipe internal liquid level position.
3. microtubule distillation condensing unit according to claim 1 and 2, it is characterized in that: described feature concaveconvex structure is groove or depression, the groove width of described groove or the diameter of described depression are between 0.1 ~ 100 μm, and described feature concaveconvex structure is 1 ~ 1000/square centimeter in heating tube inwall distribution density.
4. microtubule distillation condensing unit according to claim 3, is characterized in that: described transition capillary inside diameter 0.5 ~ 3mm.
5. microtubule distillation condensing unit according to claim 3, is characterized in that: described heating tube internal diameter is 0.5 ~ 5cm.
6. microtubule distillation condensing unit according to claim 1, is characterized in that: this device is quartzy material.
7. microtubule distillation condensing unit according to claim 1, is characterized in that: the angle between the opening place plane in olecranon portion and horizontal plane is 20 ° ~ 45 °.
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| CN201520973405.3U CN205216236U (en) | 2015-11-30 | 2015-11-30 | Microtubule distillation condensing equipment |
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| CN201520973405.3U CN205216236U (en) | 2015-11-30 | 2015-11-30 | Microtubule distillation condensing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457322A (en) * | 2015-11-30 | 2016-04-06 | 江苏德林环保技术有限公司 | Microtube distillation and condensation method and device |
| CN112323048A (en) * | 2019-08-05 | 2021-02-05 | Asm Ip私人控股有限公司 | Level sensor for chemical source container |
-
2015
- 2015-11-30 CN CN201520973405.3U patent/CN205216236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457322A (en) * | 2015-11-30 | 2016-04-06 | 江苏德林环保技术有限公司 | Microtube distillation and condensation method and device |
| CN112323048A (en) * | 2019-08-05 | 2021-02-05 | Asm Ip私人控股有限公司 | Level sensor for chemical source container |
| CN112323048B (en) * | 2019-08-05 | 2024-02-09 | Asm Ip私人控股有限公司 | Liquid level sensor for chemical source container |
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