CN201350354Y - Evaporated crystallizer - Google Patents
Evaporated crystallizer Download PDFInfo
- Publication number
- CN201350354Y CN201350354Y CNU2009201128863U CN200920112886U CN201350354Y CN 201350354 Y CN201350354 Y CN 201350354Y CN U2009201128863 U CNU2009201128863 U CN U2009201128863U CN 200920112886 U CN200920112886 U CN 200920112886U CN 201350354 Y CN201350354 Y CN 201350354Y
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- crystallizing evaporator
- heat exchanger
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to an evaporated crystallizer, belonging to the chemical engineering field of environment protection. The disclosed evaporated crystallizer comprises a heat exchanger which is placed in the middle part of a cavity; a steam inlet, a distilled water outlet, a feeding inlet, a charge port which are arranged at the outer periphery of the cavity; a secondary steam outlet arranged at the top of the cavity; and the charge port arranged at the bottom of the cavity and a discharging outlet arranged at the bottommost thereof. The evaporated crystallizer has compact structure, low energy consumption, can realize the technical requirements of single-stage, two-stage and multi-stage continuous feeding and discharging, and is suitable for various evaporated crystallization techniques.
Description
Technical field
The utility model relates to a kind of crystallizer, is specially a kind of multifunctional multiple-effect automatic continuous evaporative crystallization device.Can be widely used in the processing recovery of waste material in the various chemical material sewage, the continuous evaporative crystallization of chemical material, desalinization processing etc.
Background technology
Its principle of existing crystallizing evaporator all is that the mixed liquor that will be dissolved with material evaporates unnecessary solvent, makes the material crystallization separate out, and separates, and the equipment inconvenient operation, and also the operation power consumption is big, and the heat energy recycling rate of waterused in evaporation heating process is not high.China patent ZL200720152388.2 disclosed " multifunctional multiple-effect automatic continuous evaporative crystallization device " has realized purpose of energy saving preferably, but evaporimeter separates with crystallizer in being suitable for, and also has further improved space on energy-conservation.Another deficiency is that material flows in pipe, is easy to generate in-tube fouling.For the working time of lengthening equipment operation, need increase the forced circulation pump of electric energy consumption in addition, give birth to steam and outside pipe, carry out heat exchange, rationally utilize heat energy with deflection plate, partly the heat energy loss is bigger, and inferior steam carries out heat exchange to material, the easy fouling of equipment, energy consumption height equally outside pipe, influence crystallization effect, therefore be necessary to develop new crystallizing evaporator.
The utility model content
It is higher that the utility model has solved the existing in prior technology power consumption, the technical problem that is difficult to remove after the materail tube fouling.
For reaching above-mentioned technical purpose, the utility model discloses a kind of crystallizing evaporator, comprise heat exchanger that places middle part in the cavity and steam inlet 1 and the distilled water outlet 2 that is arranged on the heat exchanger of cavity outer circumferential side, charging aperture 3, refluxing opening 6, be located at the indirect steam outlet 7 at cavity top, be located at the punishment in advance mouth 4 of cavity bottom and the discharging opening 5 of bottommost, Lower Half in the described crystallizing evaporator cavity also is provided with material subsider jar 11, and the bottommost of described material subsider jar 11 is described discharging opening 5.Reach supersaturation and sink to naturally in the groove jar when separating out crystal at material, the discharging opening of subsider jar below connects low electric energy consumption pump 10, when the crystal quality does not reach the discharging quality, carries out the reflux cycle sedimentation; When reaching the discharging quality, the closing volume valve is opened bleeder valve and magma is sent into centrifugation apparatus is carried out Separation of Solid and Liquid, and mother liquor comes back to crystallizing evaporator 13 and carries out secondary evaporative crystallization again.The utility model has utilized the heat exchange quadruple pass to flow to, and heat exchanger tube is immersed in the material of low concentration and carries out ebuillition of heated, has stopped in the heat exchange tube often fouling and has made troubles to production and the difficult equipment dead angle of cleaning.This crystallizing evaporator also can be formed two-stage or multistage evaporation crystal system, and the front and back level links to each other, and gives birth to steam by after the prime, and the inferior steam of generation can enter into the back level, to make full use of heat energy.
As preferably, a kind of crystallizing evaporator, described cavity outer circumferential side are provided with and move towards perpendicular some fan heat exchanger tubes with heat exchanger tube and clean door 8.As pipe is outer in long production run a spot of fouling is arranged, open heat exchange and clean 8 and utilize giant to wash to get final product.
As preferably, a kind of crystallizing evaporator, the outer middle and upper part of described cavity is provided with specifies liquid level visor 9.Can see the height of material liquid surface, be enough to cover heat exchanger tube, to make full use of heat energy.
Therefore, the utility model is suitable for all kinds of inorganic chemicals industry productions, and the recycling of solid, solvent in the chemical engineering industry wastewater treatment.Deducted the pressure Speed Circulation Pump that high electric energy is paid, provide convenience to plant maintenance in helping producing, given and use enterprise directly to bring economic benefit.The utility model can satisfy the equipment production of operation continuously, continuous feed, the requirement of discharging continuously, and equipment can be undertaken supporting by user's needs, and evaporation capacity 0.1-25t/h designs.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is schematic diagrames that embodiment 1 single-stage of the present utility model is used;
Accompanying drawing 3 is schematic diagrames that embodiment 2 two-stages of the present utility model are used;
Accompanying drawing 4 is schematic diagrames of embodiment 3 multistage uses of the present utility model;
Among the figure 1, steam inlet, 2, distilled water outlet, 3, charging aperture, 4, the punishment in advance mouth; 5, discharging opening, 6, refluxing opening, 7, the indirect steam outlet, 8, heat exchanger tube cleans door, 9 specify the liquid level visors, 10, pump, 11, material subsider jar, 12, preheater, 13, crystallizing evaporator, 14, give birth to steam, 15, steam-water separator, 16, cooler, 17, electrical control cubicles.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: present embodiment is a single-stage evaporation crystallizer using method, material enters material preheater 12 under the effect of feed pump and vacuum, the heat energy of preheater 12 flows out preheater 12 connection material feed gauges from the living steam 14 steam distillation water that heating produces to material of crystallizing evaporator from distilled water outlet 2, with the inlet amount of control material.Meter connects crystallizing evaporator 13, crystallizing evaporator 13 is an equipment integrating for possessing heat exchange, evaporation, separation, froth breaking, sedimentation function, give birth to steam and enter evaporator heat exchanger from steam inlet 1, distilled water outlet connects drain valve, drain valve connects the preheater water inlet of hot water, and hot water is discharged by preheater top overfall.Crystallizing evaporator is furnished with heater, material subsider jar 11, liquid level visor 9, evaporation separation chamber, froth breaker, indirect steam outlet 7, drain and atmospheric valve, vacuum measurement table, temperature survey table, punishment in advance mouth 4 and valve.Lower Half in the described crystallizing evaporator cavity also is provided with material subsider jar 11, and the bottommost of described material subsider jar is described discharging opening 5.Reach supersaturation and sink to naturally in the groove jar when separating out crystal at material, the discharging opening of subsider jar below connects low electric energy consumption pump 10, when the crystal quality does not reach the discharging quality, carries out the reflux cycle sedimentation; When reaching the discharging quality, the closing volume valve is opened bleeder valve and magma is sent into centrifugation apparatus is carried out Separation of Solid and Liquid, and mother liquor comes back to crystallizing evaporator 13 through refluxing opening 6 and carries out secondary evaporative crystallization again.Also have indirect steam to remove the outlet and the valve of steam-water separator 15, indirect steam distilled water enters steam-water separator, separate through steam-water separator, distilled water enters the water reception tank of cooler 16, condenser 16 belows, all indirect steams enter cooling, condenser enter the condenser below after cooling water reception tank, when water level reaches the discharging liquid level, discharge by draining pump, is furnished with vacuum port on the cooler 16, to connect vacuum system, recirculated cooling water import and export and valve are to guarantee the normal operation of equipment.But the pump 10 of discharging is backflow AZ type pump, pump 10 also distribution pipes visor, return valve, discharging valve, gives birth to steam flow process trend in single-stage evaporation crystallizer heater and is quadruple pass formula heat exchange mode, can effectively utilize the heat energy of living steam.By specifying liquid level visor 9.Can see the height of material liquid surface, make liquid level cover heat exchanger tube, to make full use of heat energy.Simultaneously, can observe also whether fouling is arranged on the heat exchanger tube, if find that fouling is arranged, two relative before and after can opening fan heat exchanger tubes clean door 8, with giant water flushing heat exchanging pipe both sides, and can removal of deposit is clean.In addition, the power supply of each pump class and equipment is connected on the electrical control cubicles 17, and centralized Control is convenient to operation.
Embodiment 2: present embodiment is the using method of double flash evaporation crystallizer, and the structure of crystallizing evaporator 13 is identical with embodiment 1 with using method, and the indirect steam outlet 7 of different is prime crystallizing evaporator connects the steam inlet 1 of back level crystallizing evaporator; The discharging opening 5 of prime crystallizing evaporator joins with the charging aperture 3 of back level crystallizing evaporator.Utilize the heat energy of indirect steam, to the further crystalline deposit of material after concentrating.The indirect steam outlet 7 of the distilled water outlet 2 of forward and backward level crystallizing evaporator and back level crystallizing evaporator connects steam-water separator 15.Indirect steam distilled water enters steam-water separator, separate through steam-water separator, distilled water enters the water reception tank of cooler 16, condenser 16 belows, all indirect steams enter cooling, condenser enter the condenser below after cooling water reception tank, when water level reaches the full liquid level of discharging, discharge, be furnished with vacuum port on cooling, the condenser, to connect vacuum system by draining pump, recirculated cooling water is imported and exported and valve, to guarantee the normal operation of equipment.The further like this heat energy that utilizes steam.
Embodiment 3: present embodiment is the using method of multistage evaporation crystallizer, has three crystallizing evaporators 13.Promptly in the middle of the crystallizing evaporator of forward and backward the two poles of the earth of embodiment 2, add a crystallizing evaporator 13.Concrete using method is the same with preceding two embodiment.
Claims (3)
1, a kind of crystallizing evaporator, comprise heat exchanger that places middle part in the cavity and steam inlet (1) and the distilled water outlet (2) that is arranged on the heat exchanger of cavity outer circumferential side, charging aperture (3), refluxing opening (6), be located at the indirect steam outlet (7) at cavity top, be located at the punishment in advance mouth (4) of cavity bottom and the discharging opening (5) of bottommost, it is characterized in that the Lower Half in the described crystallizing evaporator cavity also is provided with material subsider jar (11), the bottommost of described material subsider jar is described discharging opening (5).
2, crystallizing evaporator as claimed in claim 1 is characterized in that described cavity outer circumferential side is provided with to move towards perpendicular some fan heat exchanger tubes with heat exchanger tube and clean door (8).
3, crystallizing evaporator as claimed in claim 1 or 2 is characterized in that the outer middle and upper part of described cavity is provided with appointment liquid level visor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201128863U CN201350354Y (en) | 2009-01-13 | 2009-01-13 | Evaporated crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201128863U CN201350354Y (en) | 2009-01-13 | 2009-01-13 | Evaporated crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201350354Y true CN201350354Y (en) | 2009-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201128863U Expired - Fee Related CN201350354Y (en) | 2009-01-13 | 2009-01-13 | Evaporated crystallizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201350354Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732885B (en) * | 2010-01-16 | 2012-07-18 | 江阴丰力生化工程装备有限公司 | Continuous crystallizer |
| CN102701306A (en) * | 2012-06-26 | 2012-10-03 | 武汉浩普能环保设备工程有限公司 | Saline wastewater treatment equipment |
| CN103055525A (en) * | 2013-01-05 | 2013-04-24 | 杭州浙大合力科技有限公司 | Anti-blocking evaporation sedimentation chamber producing clean secondary steam |
| CN106277115A (en) * | 2015-06-24 | 2017-01-04 | 中国石油天然气集团公司 | A kind of saline sewage crystallizing evaporator, cleaning system and purification technique |
| CN110755875A (en) * | 2019-11-24 | 2020-02-07 | 湖南力泓新材料科技股份有限公司 | Evaporation crystallization device for preparing zinc sulfate crystals |
| WO2020233391A1 (en) * | 2019-05-20 | 2020-11-26 | 江苏嘉泰蒸发设备股份有限公司 | Crystallizer for treatment of salt-containing wastewater |
-
2009
- 2009-01-13 CN CNU2009201128863U patent/CN201350354Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732885B (en) * | 2010-01-16 | 2012-07-18 | 江阴丰力生化工程装备有限公司 | Continuous crystallizer |
| CN102701306A (en) * | 2012-06-26 | 2012-10-03 | 武汉浩普能环保设备工程有限公司 | Saline wastewater treatment equipment |
| CN103055525A (en) * | 2013-01-05 | 2013-04-24 | 杭州浙大合力科技有限公司 | Anti-blocking evaporation sedimentation chamber producing clean secondary steam |
| CN106277115A (en) * | 2015-06-24 | 2017-01-04 | 中国石油天然气集团公司 | A kind of saline sewage crystallizing evaporator, cleaning system and purification technique |
| CN106277115B (en) * | 2015-06-24 | 2019-04-09 | 中国石油天然气集团公司 | A kind of saline sewage crystallizing evaporator, purification system and purification process |
| WO2020233391A1 (en) * | 2019-05-20 | 2020-11-26 | 江苏嘉泰蒸发设备股份有限公司 | Crystallizer for treatment of salt-containing wastewater |
| CN110755875A (en) * | 2019-11-24 | 2020-02-07 | 湖南力泓新材料科技股份有限公司 | Evaporation crystallization device for preparing zinc sulfate crystals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20150113 |
|
| EXPY | Termination of patent right or utility model |