CN202620769U - Evaporative crystallization device of easily thermally-decomposed compound for decomposing gaseous product - Google Patents
Evaporative crystallization device of easily thermally-decomposed compound for decomposing gaseous product Download PDFInfo
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- CN202620769U CN202620769U CN 201220142689 CN201220142689U CN202620769U CN 202620769 U CN202620769 U CN 202620769U CN 201220142689 CN201220142689 CN 201220142689 CN 201220142689 U CN201220142689 U CN 201220142689U CN 202620769 U CN202620769 U CN 202620769U
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Abstract
The utility model belongs to the technical field of chemical plants, and relates to an evaporative crystallization device, in particular to an evaporative crystallization device of an easily thermally-decomposed compound for decomposing a gaseous product, which solves the problem of shortage of a cheap and effective device for evaporating the easily thermally-decomposed compound in the prior art. The utility model provides an evaporative crystallization device of the easily thermally-decomposed compound for decomposing the gaseous product. The evaporative crystallization device comprises a flash component, wherein the flash component comprises a flash tank, and a vacuum pump and an exhaust port which are communicated with the flash tank. By adopting the technical scheme, the technical problem can be effectively solved.
Description
Technical field
The utility model belongs to technical field of chemical, relates to a kind of evaporative crystallization device, particularly a kind ofly is used for the easy heat-decomposing compound evaporative crystallization device that catabolite is a gas.
Background technology
At present; Some arts demand of chemical field is prone to decomposing materials to heat and carries out evaporative crystallization, and this type material is evaporated needs significant care, and too high temperature can directly be destroyed material; This type material is carried out evaporative crystallization to be prolonged evaporation time often or reduces evaporation efficiency and exchange the requirement to evaporating temperature for; For example 1st effective evaporator being replaced to multi-effect evaporator, certainly, also can be through some architecture advances of evaporimeter itself are evaporated material at a certain temperature efficiently; For example adopting falling film evaporator that material is evaporated just can make evaporation efficiency that suitable raising is arranged; But often, the Equipment Market price that is similar to falling film evaporator and so on is higher, and cost of equipment maintenance is also little.
This shows that prior art does not also provide a kind of can cheaply effectively be prone to the device that decomposing materials evaporates to heat.
The utility model content
The utility model technical problem to be solved is that prior art lacks and a kind ofly can cheaply effectively be prone to the device that decomposing materials evaporates to heat; And this problem of being directed against provides a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for; It is that the easy heat-decomposing compound of gas carries out evaporative crystallization that the said device of the utility model is mainly used in catabolite; But those skilled in the art can recognize that the said evaporative crystallization device of the utility model also can be used for the evaporative crystallization that other heat are prone to decomposition of chemical compounds after reading this specification.
The utility model provided a kind ofly is used for the easy heat-decomposing compound evaporative crystallization device that catabolite is a gas, it is characterized in that this device comprises the flash distillation parts, and said flash distillation parts comprise flash tank and vacuum pumping pump that is communicated with flash tank and outlet.
The said evaporative crystallization device of the utility model avoids heat to be prone to the decomposition of chemical compounds decomposition in order when evaporating, to effectively reduce the temperature that heat is prone to decomposition of chemical compounds, has adopted flash tank that heat is prone to decomposition of chemical compounds and has carried out flash distillation; The unexpected reduction of air pressure behind the feeding flash tank with the temperature that reduces the easy decomposition of chemical compounds of heat rapidly, and realizes effective evaporation; Air pressure in the flash tank remains at a lower level by the vacuum pumping pump that is communicated with flash tank; Guarantee the flash distillation effect, the efficient of above-mentioned flash distillation is very high, and has reduced temperature; Avoided the decomposition of hot easy decomposition of chemical compounds, the heat after the flash distillation is prone to decomposition of chemical compounds has outlet to discharge.
Certainly; The utility model is also considered the potential decomposition that possibly occur; Refer to that mainly catabolite is that the heat of gas is prone to decomposition of chemical compounds because the said heat of the utility model is prone to decomposition of chemical compounds, these decompose back gases and finally will taken away and can not appear in the crystalline solid that heat is prone to decomposition of chemical compounds and influence heat is prone to the purity of decomposition of chemical compounds crystalline solid by vacuum pumping pump.
The utility model also adopts following technical scheme;
This device also comprises the preheater with the flash distillation members;
Be provided with the economizer bank of connection parallel with one another in the preheater, preheater is provided with heat medium import and heat medium outlet;
Said flash distillation parts also comprise the heating tank that is with heating jacket that is communicated with outlet and flash tank;
Said flash distillation parts also comprise the agitator that is provided with stirring vane, and said stirring vane is positioned at heating tank;
This device also comprises the centrifuge that is communicated with outlet;
This device also comprises cooling-part, and said cooling-part comprises that series connection is communicated with condenser and the water tank between flash tank and the vacuum pumping pump;
Said flash tank and heating tank inner-wall spraying have Teflon;
Said condenser and water tank inner-wall spraying have Teflon.
Description of drawings
Fig. 1 is the said a kind of structural representation (not showing outlet) that catabolite is the easy heat-decomposing compound evaporative crystallization device of gas that is used for of embodiment.
The specific embodiment
This specific embodiment is with the detailed technical scheme that the utility model content part does not give introduction of introducing, so that those skilled in the art's understanding and enforcement.
A kind ofly be used for the easy heat-decomposing compound evaporative crystallization device that catabolite is a gas, this device comprises the flash distillation parts, and said flash distillation parts comprise flash tank and vacuum pumping pump that is communicated with flash tank and outlet.
On the basis of above technical scheme; This specific embodiment makes said evaporative crystallization device set up the preheater with the flash distillation members; Make heat be prone to the evaporation compound when getting into flash tank, absorb certain heat, thereby when flash distillation; There is more heat to be used to evaporation, improves full flashing efficient.An extreme example is with the heating of preheater commute heat-decomposing compound, to make temperature critical in the decomposition temperature of the easy decomposition of chemical compounds of heat, and then make easy heat-decomposing compound get into the flash tank flash distillation rapidly.
The preheater that is communicated with flash tank only need possess basic heating function and get final product, if consider from the efficiency of heating surface, increasing the heating surface area that is prone to heat-decomposing compound is a kind of scheme that this specific embodiment adopts; This scheme implementation gets up fairly simple; And cost is not high, specifically is the economizer bank that connection parallel with one another is set in preheater, and the quantity that is provided with of economizer bank can be a plurality of; General; Quantity is more to mean more heating surface area, and the caliber size of economizer bank also can depend on the circumstances, and mobilely causes certain obstruction but too small caliber may the commute heat-decomposing compound; Heat medium to the economizer bank heat supply is got into by the heat medium import that is arranged on the preheater, and discharges from the heat medium outlet.
Even if the flash distillation that efficient is high more also can not disposablely fully will be prone to the heat-decomposing compound evaporative crystallization; The further evaporation of commute heat-decomposing compound is necessary; In the mentality of designing of this specific embodiment, said further evaporation can be arranged in two kinds of processes to be carried out: first kind of process is that the easy heat-decomposing compound to flash distillation further heats, and surpasses the decomposition temperature that is prone to heat-decomposing compound in order to prevent heating-up temperature; The easy heat-decomposing compound that this specific embodiment imagination will be passed through flash distillation evaporates under lower air pressure; Reduce boiling point, and when practical operation, make actual boiling point less than decomposition temperature; Even if heating-up temperature surpasses the decomposition temperature that is prone to heat-decomposing compound like this; Also can not cause the decomposition that is prone to heat-decomposing compound, the further heating of the easy heat-decomposing compound of flash distillation is accomplished by the heating tank that is communicated with between outlet and the flash tank, the heating jacket that is enclosed within on the heating tank can be the heating and continuous heat that provides of heating tank commute heat-decomposing compound; And, the easy heat-decomposing compound that is positioned at heating tank can be evaporated all the time under lower air pressure because heating tank is communicated with flash tank.
Second process is that the easy heat-decomposing compound behind the process heating tank heating evaporation is further evaporated, and outlet is communicated with preheater, and easy heat-decomposing compound can flow into the evaporative crystallization that preheater carries out a new round again.
After repeatedly evaporating, a large amount of in heating tank, the depositing of crystalline solid meeting of appearance is like untimely processing; Not only can stop up heating tank, and the crystalline solid of caking can influence the heat transfer of heating tank commute heat-decomposing compound, cause heating uneven; Part is prone to heat-decomposing compound and also can decomposes in this course; It is simple and effective solution that crystalline solid is stirred timely, and this only needs an agitator, and the stirring vane of agitator is arranged in the heating tank.
The easy heat-decomposing compound of from heating tank, discharging normally contains the liquid mixture of crystalline solid; With said second process the said liquid mixture that contains crystalline solid is carried out the liquid mixture separation that the evaporative crystallization needs will contain crystalline solid; Liquid part after the separation gets into the evaporative crystallization that preheater carries out a new round by outlet; Therefore can between outlet and heating tank, set up centrifuge, the liquid part in the centrifuge directly feeds preheater and heats.
Consider some its compound of easy heat-decomposing compound itself still the thermal decomposition product of compound all can corrode the evaporative crystallization device, ammonium fluosilicate etc. for example, this specific embodiment flash tank and heating tank inner-wall spraying Teflon.
Embodiment
See Fig. 1; A kind ofly be used for the easy heat-decomposing compound evaporative crystallization device that catabolite is a gas; Comprise flash distillation parts, preheater 6, condenser 12 and water tank 15; Said flash distillation parts comprise flash tank 10, the outlet that is communicated with flash tank 10 and vacuum pumping pump 3, heating tank 16, link-suspended basket centrifuge 4, feeding diaphragm pump 1 and condensed water centrifugal pump 2; Heating tank 16 is positioned at flash tank 10 bottoms, and is structure as a whole with flash tank 10, flash tank 10 connection of connecting with heating tank 16, link-suspended basket centrifuge 4 and outlet successively.
The heating tank 16 outer heating jackets 7 that are with; Present embodiment with conduction oil as thermal source; Because the economizer bank 5 in the preheater 6 of two series connection connections also need heat; Conduction oil glide path in conduction oil glide path in the preheater 6 (be that conduction oil gets into from heat medium import 13, and flow out towards heat medium outlet 14) and the heating jacket 7 can be provided with in parallel connection.
Flash tank 10 is provided with agitator 11, and the puddler 9 in the agitator 11 gos deep in the heating tank 16, makes the stirring vane 8 that is positioned on the puddler 9 be positioned at heating tank 16, plays the effect of stirring.
The connection of connecting with condenser 12, water tank 15 and vacuum pumping pump 3 successively of flash tank 10 tops; Ponding in the water tank 15 is discharged by the condensed water centrifugal pump that is communicated with water tank 15 bottoms 2, has all sprayed Teflon at flash tank 10, heating tank 16, condenser 12 and water tank 15 inwalls.
The said evaporative crystallization device of present embodiment operates in the following manner:
The economizer bank 5 that easy heat-decomposing compound is squeezed in the preheater 6 through feeding diaphragm pump 1 carries out preheating; Through getting into flash tank 10 behind two preheaters; Formed gas is discharged by flash tank 10 tops, gets into the cooling of the condenser 12 of two series connection connections, gets into water tank 15 again; Gas in the water tank 15 is discharged by vacuum pumping pump 3, and the liquid in the water tank 15 is then got by condensed water centrifugal pump 2.
The liquid that heating tank 16 receives in the flash tank 10, through the stirring of agitator 11 and the heating of heating jacket 7, the gas of generation rises to flash tank 10, and under the drive of vacuum pumping pump 3, discharges from flash tank 10 tops according to the conduct route of epimere gas part.
And heating tank 16 contains the liquid of crystalline solid and partly flows to link-suspended basket centrifuge 4, and the liquid part is squeezed into heating in the pre-heater 6 by feeding diaphragm pump 1 again, thereby carries out the heating evaporation of a new round.
The said evaporative crystallization apparatus structure of present embodiment is simple; Cost of manufacture and maintenance cost are low, and through at flash tank 10, heating tank 16, condenser 12 and water tank 15 inner-wall spraying Teflons, prolong service life greatly; In addition; Evaporative crystallization purity is very high, for example the ammonium fluosilicate aqueous solution is carried out evaporative crystallization, and the content of ammonium fluosilicate in the ammonium fluosilicate crystalline solid reaches 99.9999%.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. one kind is used for the easy heat-decomposing compound evaporative crystallization device that catabolite is a gas, it is characterized in that this device comprises the flash distillation parts, and said flash distillation parts comprise flash tank and vacuum pumping pump that is communicated with flash tank and outlet.
2. a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for according to claim 1 is characterized in that this device also comprises the preheater with the flash distillation members.
3. a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for according to claim 2 is characterized in that being provided with in the preheater that the economizer bank of connection parallel with one another, preheater are provided with heat medium import and heat medium outlet.
4. according to claim 1 or 2 or 3 described a kind of easy heat-decomposing compound evaporative crystallization devices that catabolite is a gas that are used for, it is characterized in that said flash distillation parts also comprise the heating tank that is with heating jacket that is communicated with outlet and flash tank.
5. a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for according to claim 4 is characterized in that said flash distillation parts also comprise the agitator that is provided with stirring vane, and said stirring vane is positioned at heating tank.
6. a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for according to claim 4 is characterized in that this device also comprises the centrifuge that is communicated with outlet.
7. according to claim 1 or 2 or 3 described a kind of easy heat-decomposing compound evaporative crystallization devices that catabolite is a gas that are used for; It is characterized in that this device also comprises cooling-part, said cooling-part comprises that series connection is communicated with condenser and the water tank between flash tank and the vacuum pumping pump.
8. a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for according to claim 4 is characterized in that said flash tank and heating tank inner-wall spraying have Teflon.
9. a kind of easy heat-decomposing compound evaporative crystallization device that catabolite is a gas that is used for according to claim 1 is characterized in that said condenser and water tank inner-wall spraying have Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220142689 CN202620769U (en) | 2012-04-06 | 2012-04-06 | Evaporative crystallization device of easily thermally-decomposed compound for decomposing gaseous product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220142689 CN202620769U (en) | 2012-04-06 | 2012-04-06 | Evaporative crystallization device of easily thermally-decomposed compound for decomposing gaseous product |
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| CN202620769U true CN202620769U (en) | 2012-12-26 |
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| CN 201220142689 Expired - Fee Related CN202620769U (en) | 2012-04-06 | 2012-04-06 | Evaporative crystallization device of easily thermally-decomposed compound for decomposing gaseous product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536284A (en) * | 2016-01-29 | 2016-05-04 | 西北大学 | Backflow type evaporation and crystallization device and method for evaporating and crystallizing mixed solvent |
| CN108031132A (en) * | 2018-01-12 | 2018-05-15 | 无锡宝南机器制造有限公司 | Double tower falling film evaporator group |
| CN110180201A (en) * | 2019-06-20 | 2019-08-30 | 江苏瑾瑜节能环保科技有限公司 | A kind of vacuum flashing concentration crystallisation by cooling integral process |
-
2012
- 2012-04-06 CN CN 201220142689 patent/CN202620769U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536284A (en) * | 2016-01-29 | 2016-05-04 | 西北大学 | Backflow type evaporation and crystallization device and method for evaporating and crystallizing mixed solvent |
| CN108031132A (en) * | 2018-01-12 | 2018-05-15 | 无锡宝南机器制造有限公司 | Double tower falling film evaporator group |
| CN110180201A (en) * | 2019-06-20 | 2019-08-30 | 江苏瑾瑜节能环保科技有限公司 | A kind of vacuum flashing concentration crystallisation by cooling integral process |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130406 |