CN202921008U - Distillation kettle - Google Patents
Distillation kettle Download PDFInfo
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- CN202921008U CN202921008U CN 201220617665 CN201220617665U CN202921008U CN 202921008 U CN202921008 U CN 202921008U CN 201220617665 CN201220617665 CN 201220617665 CN 201220617665 U CN201220617665 U CN 201220617665U CN 202921008 U CN202921008 U CN 202921008U
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- kettle
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- heating tube
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- 238000004821 distillation Methods 0.000 title claims abstract description 41
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract description 34
- BJAJDJDODCWPNS-UHFFFAOYSA-N dotp Chemical compound O=C1N2CCOC2=NC2=C1SC=C2 BJAJDJDODCWPNS-UHFFFAOYSA-N 0.000 abstract description 19
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- RWPICVVBGZBXNA-UHFFFAOYSA-N bis(2-ethylhexyl) benzene-1,4-dicarboxylate Chemical compound CCCCC(CC)COC(=O)C1=CC=C(C(=O)OCC(CC)CCCC)C=C1 RWPICVVBGZBXNA-UHFFFAOYSA-N 0.000 abstract 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a distillation kettle. A kettle body is internally provided with an evaporator, an evaporation chamber located above the evaporator and a sediment chamber located below the evaporator; the evaporator comprises a plurality of first heating tubes arranged along a first direction and a plurality of second heating tubes arranged along a second direction vertical to the first direction, two ends of the heating tubes which are horizontally arranged are respectively connected with the side wall of the kettle body in a sealing way, and the side wall of the kettle body is provided with open pores for opening openings at two ends of all the heating tubes; and a heating jacket is also arranged outside the bottom of the kettle body, a heating chamber covered on the bottom of the kettle body is formed in the heating jacket, and the heating jacket is provided with an inlet and an outlet respectively allowing heat transferring medium to flow into and out of the heating chamber. The distillation kettle has the advantage that the key technical problem for preparing DOTP (Di(2-ethylhexyl)terephthalate) by using PTA (Pure Terephthalic Acid) waste materials in large-scale industrial production is solved through an innovative heating, scour preventing and coating structural design.
Description
Technical field
The utility model relates to technical field of chemical, relates in particular to a kind of distillation still that is applicable to utilize the prepared DOTP (DOTP) of trade waste be rich in terephthalic acid (TPA) (PTA) to purify.
Background technology
Plasticizer is for increasing its plasticity, mobility and making finished product have the material that pliability adds when processing high polymer (as rubber, plastics, coating etc.) moulding.DOTP (DOTP) is a kind of main plastic plasticizer of function admirable, except plasticizing capacity a little less than dioctyl phthalate (DOP), volatility, specific insulation, and the aspect such as the compatibility of PVC and heatproof weatherability more superior, and toxicity is significantly less than DOP.DOTP is mainly used in 70 ℃ of CABLE MATERIALS of heatproof, and because its volatility is low, use contains quantitative DOTP and can satisfy the requirement of wire cable material temperature resistant grade fully, reaches IEC (IEC), is used as first-selected plasticizer and uses in PVC plastic cable sheath.Its plasticizer that also can be used as other plastics uses, artificial leather film for example, nitrile rubber, cellulose nitrate, polyvinyl butyral etc.In addition, DOTP all has application at paint, paper, lubricant, bidirectional thin, blood plasma poly-bag and handicraft, and prospect is very wide.
Suitability for industrialized production DOTP mainly adopts raw material terephthalic acid (TPA) (PTA) and the preparation of 2-Ethylhexyl Alcohol (isooctanol, octanol) esterification at present.Raw material PTA is the lower end product of petrochemical industry, is a kind of comparatively expensive industrial chemicals, and the DOTP price that this preparation method produces is higher.
In addition, the application of PTA at present is more concentrated, and the PTA more than 90% is for the production of PETG (terylene) in the world.In the production process of terylene, can produce a large amount of discarded objects, those discarded objects enter in wastewater disposal basin after the peracid dissolving, form the biosolid waste (being designated hereinafter simply as the PTA waste material) that is rich in PTA.These PTA waste materials are difficult to degraded, can cause the impact of very severe to the mankind's living environment as not processing, and processing needs to drop into a large amount of funds, has increased the production cost of enterprise.
The scheme that exists in the prior art some to utilize above-mentioned PTA waste material to synthesize DOTP; adopt scheme that the PTA waste material prepares DOTO not only raw material be easy to get; simultaneously can digest refuses a large amount of in industrial production; turn waste into wealth; reduced production cost; but also protection of the environment, be current comparatively rationally and one of the approach of the high recycling of economic benefit.
The scheme that a kind of feasible PTA waste material prepares DOTO be after the PTA that will reclaim purifies through alkalization elimination impurity acidifying drying again to generate purer PTA, and then synthesize the DOTP plasticizer with original technique, the pre-treatment step of this scheme is various, cost is higher, and because the multistep processing has reduced final yield.
In addition, interimly disclosed a kind of " reclaiming the new technology that PTA produces the cable plasticizer " in 2010 05 at public publication publication " living beings Chemical Engineering ", this industrial design concept is the PTA waste material to be carried out after pretreatment dehydration directly and octanol reacts, and will react more afterwards the generation product and carry out purifying products acquisition DOTP.Adopt this technique can avoid all multi-steps such as the purified alkalization that brings of raw material, purification, acidifying, drying, the separation of all impurity is all removed in purifying products, the technical process step that this method is produced DOTP is few, easy to operate, be easy to produce, and product quality is good.
But above-mentioned technique only in the laboratory by experiment vessel carry out operational processes, in the suitability for industrialized production preparation process of reality, need to use distillation still and carry out distilation, distillation still comprises the kettle of pot type, be provided with heat(ing) coil in described kettle, during work, pending material is introduced in kettle, heated by described heat(ing) coil, thereby reach the purpose of distillation.But usually terylene manufacturer produces the PTA waste material and processes as chemical industry rubbish, and for saving processing cost, most producer employs the environmental protection company that processes chemical industry rubbish on behalf of disposal, therefore actual obtainable PTA waste material composition complex not only in suitability for industrialized production, and be rich in a large amount of solid matters such as silt.The reaction that existing distillation still structure can't be used for this PTA waste material and octanol generates the distillation processing of product, so need to improve to realize above-mentioned preparation scheme for the structure of existing distillation still.
The utility model content
The purpose of the utility model embodiment is for the structural deficiency of prior art, proposes a kind of distillation still that is applicable to utilize the prepared DOTP purification of PTA waste material.
In order to reach above-mentioned utility model purpose, a kind of distillation still that the utility model embodiment proposes is achieved through the following technical solutions:
A kind of distillation still, the kettle inside of described distillation still has evaporimeter, be positioned at the vaporization chamber of described evaporimeter top and the mud chamber that is positioned at described evaporimeter below, be provided with a upper cover with described kettle internal communication on described kettle top, offer gas phase mouth on described upper cover, bottom, described mud chamber is provided with drainage conduit, it is characterized in that:
Described evaporimeter comprises many second heating tubes that arrange with the second direction perpendicular to first direction with the first heating tube and the Duo Gen of first direction setting, the two ends of those horizontally disposed heating tubes respectively with the sidewall sealed engagement of described kettle, offer the perforate that makes each heating tube both ends open open on the sidewall of described kettle; The sidewall of described kettle is outside equipped with a diffluence room and that is communicated with by all the first heating tubes chamber of confluxing, and by a diffluence room and the chamber of confluxing that all second heating tubes are communicated with, respectively offer at least one in described conflux chamber and diffluence room for the interface of heat transferring medium circulation;
Described autoclave body bottom also is provided with a heating jacket outward, forms the heating chamber that covers on described autoclave body bottom in this heating jacket, and described heating jacket offers import and the outlet that flows into and flow out described heating chamber for heat transferring medium;
In addition, also have anti-overflow ring and the anti-overflow hat of being located at described evaporimeter top in described kettle; Described anti-overflow ring is the ring that arranges continuously on described inner wall of kettle, wherein is formed centrally communication port; Described anti-overflow hat is fixedly installed between described anti-overflow ring and kettle roof, and with both respectively separately; Even interval between the outer rim of described anti-overflow hat and described inner wall of kettle, the physical dimension of described anti-overflow hat is greater than described communication port size.
Be provided with the demister that is positioned at described gas phase mouth below in described upper cover, described demister comprises at least one networking sheet group, described net sheet group is by a plurality of stacked ripple net sheets with crest and trough and hold the housing of fixing those ripple net sheets and consist of successively from top to bottom, in described net sheet group, has the angle of 60 ° to 120 ° between the crest bearing of trend of any two adjacent corrugations net sheets.
In described net sheet group, has the angle of 90 ° between the crest bearing of trend of any two adjacent corrugations net sheets; In addition, the section of described ripple net sheet is sine curve shape or polyline shaped, and the pitch of waves of described ripple net sheet is 3 to 6 times of its peak heights.
Described the first heating tube all is positioned at the top of described the second heating tube, and described many first heating tubes and Duo Gen the second heating tube is evenly distributed respectively; In addition, the interval between any two adjacent described the first heating tubes is not less than the external diameter of described the first heating tube; Interval between any two adjacent described the second heating tubes is not less than the external diameter of described the second heating tube.
Zone on the sidewall of described kettle between corresponding described the first heating tube and the second heating tube offers peep hole and temperature-measuring port, and the zone on corresponding described the first heating tube top also offers respectively temperature-measuring port, is packaged with observation window on described peep hole.
Interface on the described chamber of confluxing is lower than its internal openings setting, the zone line setting of a plurality of perforates of the interface in described diffluence room corresponding its inside, and described import and outlet lay respectively at the both sides of described heating jacket.
All offer two described interfaces in described conflux chamber and diffluence room.
The bore of described communication port is the 0.3-0.5 of described kettle internal diameter; Described anti-overflow labeling forms uniform the first gap between surface and described kettle roof; Described anti-overflow hat lower edge is parallel with described anti-overflow ring upper surface and form the second gap; The width in described the second gap is 3-10 times of the first gap.
Described kettle comprises still top and the columned body that is the semiellipsoid shape, described anti-overflow hat is the oval calotte shape with the coaxial setting of described kettle, and parallel with described still top inwall to form described the first gap, described anti-overflow ring is along described still top and the distribution of kettle body intersection.
Compared with prior art, the beneficial effects of the utility model are: the structural design of heating, erosion control material and foam removal by novelty has solved PTA waste material in the large-scale industrial production and has prepared key technical problem in DOTP.The distillation still that proposes in the technical program is applicable to octanol and only processes through alkalization, the distillation of reaction product of PTA waste material after drying and processing, realizes extracting in the distillation of complex mixture the operation of DOTP in suitability for industrialized production.It is more easy and economical that the production technology of utilizing this distillation still is first processed the method for synthesizing afterwards at present, and the product properties all meets the requirement of use, for the development of DOTP provides new approach.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is the utility model embodiment distillation still structural representation;
Fig. 2 is that the present embodiment distillation still is looked up structural representation;
Fig. 3 is the present embodiment distillation still demister top view;
Fig. 4 is the present embodiment distillation still demister structural representation;
Fig. 5 is the structural representation of monolithic ripple net sheet in the present embodiment demister.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, so that technical staff's of the same trade understanding:
As shown in Fig. 1-5, label represents respectively:
Kettle cover 1, demister 2, anti-overflow hat 3, anti-overflow ring 4, communication port 5, the first heating tube 6, the chamber 7 of confluxing, mud chamber 8, drainage conduit 9, heating jacket 10, diffluence room 11, observation window 12, manhole 13, vaporization chamber 14, leg 15, gas phase mouth 16, tube connector 17, the second heating tube 18, upper cover 19, ripple net sheet 20, housing 21, screw rod 22, pivoted arm 23;
Hot oil inlet: a1, a2, a3, a4, a10;
Hot oil outlet: a5, a6, a7, a8, a9;
Temperature-measuring port: c1, c2.
Shown in Fig. 1-2, a kind of distillation still that is applicable to utilize the prepared DOTP purification of PTA waste material is provided in the present embodiment, just as described in the background art, due to composition complex in the liquid-solid mixed stocker that enters in distillation still, even the PTA waste material of institute of same producer output also can have certain otherness under different time.Cannot also there is no need in this case to carry out qualitative for itself and the reacted product of octanol.Just because of this, for the various performances of distillation still, strict requirement has been proposed, for example:
Due to high boiling product complicated component in the liquid-solid mixed stocker, therefore much higher than existing distillation still for the required precision of the temperature in distillation still, it is inadequate that its temperature difference is controlled the slightly poor purity of cut that will cause.
Because this liquid-solid mixed stocker solid impurity is more, be very easy to deposition or fouling on evaporimeter in still when using conventional distillation still, and then cause the coefficient of overall heat transmission to reduce, temperature in the kettle descends, and in the unit interval, the distillation amount reduces, and is forced to frequent maintenance cleaning.
Same complicated component due to the liquid-solid mixed stocker, after causing heating, raw material reaction speed has sizable fluctuation, even exothermic heat of reaction between the part composition, cause temperature in the kettle pressure sharply to rise, therefore in case control the improper accident that will cause material to go out.
Just for these reasons, the distillation still that provides in the present embodiment mainly is made of kettle, upper cover 19, heater, erosion control materials device and demister 2, and wherein heater comprises that evaporimeter and mud chamber's heater consist of.Below will the design feature of said modules be described in detail:
Kettle mainly is comprised of three parts: columned kettle body, at the bottom of being located at the still top of kettle body upper end and the still of kettle body lower end being set, all be the semiellipsoid shape at the bottom of still top and still, and and the kettle combination enclose and consist of a space of distilling for heating material.Kettle inside is provided with the evaporimeter that arranges near upper limb at the bottom of still, and the still space that is positioned at described evaporimeter top consists of vaporization chamber 14, is positioned at the formation mud chamber 8, still space of described evaporimeter below.The shape of mud chamber 8 is defined by described still Bottom Shape, and the bottom of mud chamber 8 offers drainage conduit 9, and the high boiling component after being used for distilling is discharged.
Evaporimeter comprises many second heating tubes 18 that arrange with the second direction perpendicular to described first direction along the first heating tube 6 and the Duo Gen of first direction setting, described the first heating tube 6 all is positioned at the top of described the second heating tube 18, and described many first heating tubes 6 and Duo Gen the second heating tube 18 is evenly distributed respectively.Those heating tubes (only distributing position is different with angle with the second heating tube 18 due to the first heating tube 6, therefore will both be referred to as heating tube herein) the only mode with level arrange.The two ends of those heating tubes respectively with the sidewall sealed engagement of described kettle body, and offer the perforate that makes each heating tube both ends open open on the sidewall of described kettle body.In addition, the sidewall of described kettle body is outside equipped with a diffluence room 11 and the chamber 7 of confluxing that is communicated with by all the first heating tubes 6, and a diffluence room 11 and the chamber 7 of confluxing of being communicated with by all second heating tubes 18.All offer two for the interface of heat transferring medium (being deep fat in the present embodiment) circulation in these two conflux chamber 7 and two diffluence room 11.Can be referring to shown in Fig. 1-2, be hot oil inlet a3 and hot oil inlet a4 in the diffluence room 11 of connection the first heating tube 6, be hot oil outlet a7 and hot oil outlet a8 on the chamber 7 of confluxing of connection the first heating tube 6; Be communicated with and be hot oil inlet a 1 and hot oil inlet a2 in the diffluence room 11 of the second heating tube 18, be communicated with on the chamber 7 of confluxing of the second heating tube 18 and be hot oil outlet a5 and hot oil outlet a6.
Form suitable logistics heating space for guaranteeing that heating tube is outer, and make this heating space have suitable circulation and turbulent flow, to guarantee the even and less scaling of heating, those heating tubes have following characteristic:
Interval between any two adjacent described the first heating tubes 6 is not less than the external diameter of described the first heating tube 6; Interval between any two adjacent described the second heating tubes 18 is not less than the external diameter of described the second heating tube 18.Preferably, the first heating tube 6 and the second heating tube 18 have identical external diameter, and are spaced apart described the first heating tube 6 external diameters between any two adjacent described the first heating tubes 6; The 1.5-2 that is spaced apart described the second heating tube 18 external diameters between any two adjacent described the second heating tubes 18 doubly.
In addition, the hot oil outlet on the described chamber 7 of confluxing should be lower than its internal openings setting, namely lower than the heating tube setting, and the zone line setting of a plurality of perforates of the hot oil inlet in described diffluence room 11 corresponding its inside.
Mud chamber's heater is the heating jacket 10 that arranges outside autoclave body bottom, heating chamber on the interior formation of this heating jacket 10 covers at the bottom of described still, offer the hot oil inlet 10 and the hot oil outlet 9 that flow into and flow out described heating chamber for deep fat on described heating jacket 10, hot oil inlet 10 and hot oil outlet 9 lay respectively at the both sides of heating jacket 10, and hot oil inlet 10 is formed on the top of heating jacket 10, and hot oil outlet 9 is formed on the bottom of heating jacket 10.
Shown in Fig. 3-4, described net sheet group is by a plurality of stacked ripple net sheets 20 with crest and trough and hold the housing 21 of fixing those ripple net sheets 20 and consist of successively from top to bottom.In described net sheet group, should have the angle of 60 ° to 120 ° between the crest bearing of trend of any two adjacent corrugations net sheets 20.Preferably, the angle that has 90 ° or 75 ° between the crest bearing of trend of any two adjacent corrugations net sheets 20.The section of described ripple net sheet 20 is sine curve shape (referring to Fig. 4) or polyline shaped.Shown in 5, the pitch of waves D of described ripple net sheet 20 should be 3 to 6 times of its peak height h.
Three networking sheet groups from top to bottom overlapping arrangement and have each other the interval.Net sheet group is that on inwall by described upper cover 19 tube walls, horizontally disposed leg 15 fixes, and the outer rim of net sheet group supports by described leg 15, and is for convenience detach to carry out maintenance of clean-up for demister 2 with this.
The erosion control materials device consists of by being located at anti-overflow ring 4 and anti-overflow hat 3 in kettle, that be positioned at described evaporimeter top.Wherein, described anti-overflow ring 4 is the annulus that arranges continuously on described inner wall of kettle, wherein is formed centrally communication port 5, and specifically, anti-overflow ring 4 distributes along described still top and kettle body intersection.Anti-overflow hat 3 is fixedly installed between the roof on described anti-overflow ring 4 and still top, and with both respectively separately.Anti-overflow hat 3 is the oval calotte shape with the coaxial setting of described kettle, and parallel with described still top inwall.
For playing good erosion control material effect, have following specific requirement for the structure of anti-overflow ring 4 and anti-overflow hat 3:
The bore of described communication port is the 0.3-0.5 of described kettle internal diameter.
The external diameter of described anti-overflow hat 3 outer rims is greater than the bore of described communication port 5.
Form uniform the first gap between the roof on anti-overflow hat 3 upper surfaces and described still top, described anti-overflow hat 3 lower edges are parallel with described anti-overflow ring 4 upper surfaces and form the second gap.The width in described the second gap is 3-10 times of the first gap.In addition, even interval between the outer rim of anti-overflow hat 3 and described inner wall of kettle, and this interval is greater than the first gap.
By such structure, when material in still seethes with excitement and upwards boils over, the foam face of its rising should be high along inner wall of kettle, umbilicate form, and higher part is suppressed by anti-overflow ring 4, can only enter zone between anti-overflow ring 4 and anti-overflow hat 3 by communication port 5, diffuse through the first gap between the roof that the second gap enters anti-overflow hat 3 upper surfaces and described still top to surrounding afterwards.In above-mentioned process, due to the circulation path that has retrained gas-liquid mixture, liquid component is progressively tackled, remaining part is finally ended by demister 2, and the DOPT of gaseous state is discharged by gas phase mouth 16 by demister 2.
For controlling temperature in the kettle, zone on the sidewall of described kettle body between corresponding described the first heating tube 6 and the second heating tube 18 offers temperature-measuring port c1, and the zone on corresponding described the first heating tube top offers temperature-measuring port c2, detects temperature in the kettle by these two temperature-measuring ports.
In addition, on the sidewall of described kettle body in the position between corresponding described the first heating tube 6 and the second heating tube 18, corresponding vaporization chamber 14 position of nearly overflow ring 4 and nearly the first heating tube 6 offer respectively peep hole.Be packaged with observation window 12 on these three peep holes.
By observation window 12 and temperature-measuring port c1, c2, can make people in time grasp state in still in the external world, in order in time tackle the situations such as temperature fluctuation, liquid level variation.
In addition, the position of the sidewall of kettle body above the first heating tube 6 offers manhole 13, is packaged with manhole cover on this manhole 13, cleans heating tube in still so that the operator enters by this manhole 13.
Abovely be elaborated for invention intention of the present utility model and embodiment by embodiment; but the utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model is only one of preferred embodiment of the present utility model; be the length restriction; here can not all embodiments of particularize; any enforcement that can embody the utility model claim technical scheme is all in protection domain of the present utility model.
It should be noted that; above content is in conjunction with concrete embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; under the guidance of above-described embodiment; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection domain of the present utility model.
Claims (9)
1. distillation still, the kettle inside of described distillation still has evaporimeter, be positioned at the vaporization chamber of described evaporimeter top and the mud chamber that is positioned at described evaporimeter below, be provided with a upper cover with described kettle internal communication on described kettle top, offer gas phase mouth on described upper cover, bottom, described mud chamber is provided with drainage conduit, it is characterized in that:
Described evaporimeter comprises many second heating tubes that arrange with the second direction perpendicular to first direction with the first heating tube and the Duo Gen of first direction setting, the two ends of those horizontally disposed heating tubes respectively with the sidewall sealed engagement of described kettle, offer the perforate that makes each heating tube both ends open open on the sidewall of described kettle; The sidewall of described kettle is outside equipped with a diffluence room and that is communicated with by all the first heating tubes chamber of confluxing, and by a diffluence room and the chamber of confluxing that all second heating tubes are communicated with, respectively offer at least one in described conflux chamber and diffluence room for the interface of heat transferring medium circulation;
Described autoclave body bottom also is provided with a heating jacket outward, forms the heating chamber that covers on described autoclave body bottom in this heating jacket, and described heating jacket offers import and the outlet that flows into and flow out described heating chamber for heat transferring medium;
In addition, also have anti-overflow ring and the anti-overflow hat of being located at described evaporimeter top in described kettle; Described anti-overflow ring is the ring that arranges continuously on described inner wall of kettle, wherein is formed centrally communication port; Described anti-overflow hat is fixedly installed between described anti-overflow ring and kettle roof, and with both respectively separately; Even interval between the outer rim of described anti-overflow hat and described inner wall of kettle, the physical dimension of described anti-overflow hat is greater than described communication port size.
2. a kind of distillation still according to claim 1, it is characterized in that: be provided with the demister that is positioned at described gas phase mouth below in described upper cover, described demister comprises at least one networking sheet group, described net sheet group is by a plurality of stacked ripple net sheets with crest and trough and hold the housing of fixing those ripple net sheets and consist of successively from top to bottom, in described net sheet group, has the angle of 60 ° to 120 ° between the crest bearing of trend of any two adjacent corrugations net sheets.
3. a kind of distillation still according to claim 2, is characterized in that: in described net sheet group, have the angle of 90 ° between the crest bearing of trend of any two adjacent corrugations net sheets; In addition, the section of described ripple net sheet is sine curve shape or polyline shaped, and the pitch of waves of described ripple net sheet is 3 to 6 times of its peak heights.
4. a kind of distillation still according to claim 1, it is characterized in that: described the first heating tube all is positioned at the top of described the second heating tube, and described many first heating tubes and Duo Gen the second heating tube evenly distributed respectively; In addition, the interval between any two adjacent described the first heating tubes is not less than the external diameter of described the first heating tube; Interval between any two adjacent described the second heating tubes is not less than the external diameter of described the second heating tube.
5. a kind of distillation still according to claim 4, it is characterized in that: the zone on the sidewall of described kettle between corresponding described the first heating tube and the second heating tube offers peep hole and temperature-measuring port, and the zone on corresponding described the first heating tube top also offers respectively temperature-measuring port, is packaged with observation window on described peep hole.
6. a kind of distillation still according to claim 1, it is characterized in that: the interface on the described chamber of confluxing is lower than its internal openings setting, the zone line setting of a plurality of perforates of corresponding its inside of the interface in described diffluence room, described import and outlet lay respectively at the both sides of described heating jacket.
7. a kind of distillation still according to claim 6, is characterized in that: all offer two described interfaces in described conflux chamber and diffluence room.
8. a kind of distillation still according to claim 1, it is characterized in that: the bore of described communication port is the 0.3-0.5 of described kettle internal diameter; Described anti-overflow labeling forms uniform the first gap between surface and described kettle roof; Described anti-overflow hat lower edge is parallel with described anti-overflow ring upper surface and form the second gap; The width in described the second gap is 3-10 times of the first gap.
9. a kind of distillation still according to claim 8, it is characterized in that: described kettle comprises still top and the columned body that is the semiellipsoid shape, described anti-overflow hat is the oval calotte shape with the coaxial setting of described kettle, and parallel with described still top inwall to form described the first gap, described anti-overflow ring is along described still top and the distribution of kettle body intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617665 CN202921008U (en) | 2012-11-20 | 2012-11-20 | Distillation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617665 CN202921008U (en) | 2012-11-20 | 2012-11-20 | Distillation kettle |
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| Publication Number | Publication Date |
|---|---|
| CN202921008U true CN202921008U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617665 Expired - Fee Related CN202921008U (en) | 2012-11-20 | 2012-11-20 | Distillation kettle |
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| Country | Link |
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| CN (1) | CN202921008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697777A (en) * | 2016-03-11 | 2016-06-22 | 无锡锡洲封头制造有限公司 | End socket with material upwelling preventing annular block at inner circle |
| CN118557983A (en) * | 2024-07-30 | 2024-08-30 | 江苏万年长药业有限公司 | Heat energy recycling structure for distillation system |
-
2012
- 2012-11-20 CN CN 201220617665 patent/CN202921008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697777A (en) * | 2016-03-11 | 2016-06-22 | 无锡锡洲封头制造有限公司 | End socket with material upwelling preventing annular block at inner circle |
| CN118557983A (en) * | 2024-07-30 | 2024-08-30 | 江苏万年长药业有限公司 | Heat energy recycling structure for distillation system |
| CN118557983B (en) * | 2024-07-30 | 2024-10-25 | 江苏万年长药业有限公司 | Heat energy recycling structure for distillation system |
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