CN204815766U - Interior hot type evaporation crystallization equipment - Google Patents
Interior hot type evaporation crystallization equipment Download PDFInfo
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- CN204815766U CN204815766U CN201520417794.1U CN201520417794U CN204815766U CN 204815766 U CN204815766 U CN 204815766U CN 201520417794 U CN201520417794 U CN 201520417794U CN 204815766 U CN204815766 U CN 204815766U
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Abstract
The utility model relates to an interior hot type evaporation crystallization equipment, in setting up the cavity at evaporated crystallizer the middle part the heat exchanger with set up at steam inlet, distilled water export, feed inlet, the backward flow mouth of the heat exchanger of cavity periphery side, set up in the flash steam export at cavity top, the punishment in advance mouth of locating the cavity bottom and the discharge gate of bottommost lower half in the evaporated crystallizer cavity still is equipped with material subsider jar, the bottommost of material subsider jar does the discharge gate one side of discharge gate is equipped with the sample connection, is provided with concentration analyzer on the sample connection be equipped with the heat preservation on evaporated crystallizer's the shell the outside of material subsider jar is equipped with double -layered jacket layer, is equipped with the import and the export of refrigeration cycle liquid on the clamp jacket layer. It is higher that the power consumption that prior art existed is solved to this equipment, is difficult to clear away technical problem behind the material duct ligation dirt.
Description
Technical field
The utility model relates to crystallizer technical field, is specifically related to a kind of internal heat type evaporation crystallization equipment.
Background technology
Its principle of existing crystallizing evaporator is all that the mixed liquor being dissolved with material is evaporated unnecessary solvent, makes material crystallization, and separates, and equipment operating is inconvenient, and it is large to run power consumption, and the heat energy recycling rate of waterused in evaporation heating process is not high." multifunctional multiple-effect automatic continuous evaporative crystallization device " disclosed in Chinese patent ZL200720152388.2 achieves energy-conservation object preferably, but evaporimeter is separated with crystallizer in being suitable for, on energy-conservation, also have the space of improving further.Another deficiency is, material, at Bottomhole pressure, easily produces in-tube fouling.In order to lengthen the working time that equipment runs, separately need increase the forced circulation pump of electric energy consumption, raw steam carries out heat exchange outside pipe, Appropriate application heat energy is carried out with deflection plate, part heat energy loss is larger, and secondary steam outward carries out heat exchange to material at pipe equally, and the easy fouling of equipment, energy consumption are high, affect crystallization effect, be therefore necessary to develop new crystallizing evaporator.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, designs a kind of power consumption solved existing for prior art higher, is difficult to the internal heat type evaporation crystallization equipment of clearance technique problem after materail tube fouling.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of internal heat type evaporation crystallization equipment, it is characterized in that, described equipment comprise be arranged on crystallizing evaporator cavity in middle part heat exchanger and be arranged on the steam inlet of heat exchanger of cavity outer circumferential side, distilled water outlet, charging aperture, refluxing opening, be arranged at the indirect steam outlet at cavity top, be located at the punishment in advance mouth of cavity bottom and the discharging opening of bottommost, Lower Half in described crystallizing evaporator cavity is also provided with material subsider tank, the bottommost of described material subsider tank is described discharging opening, sample connection is provided with in the side of described discharging opening, sample connection is provided with concentration analyzer, the shell of described crystallizing evaporator is provided with heat-insulation layer, chuck layer is provided with in the outside of described material subsider tank, chuck layer is provided with import and the outlet of cooling circulation liquid.
Material reach supersaturation and crystallize out time naturally sink in groove tank, the discharging opening below subsider tank connects low electric energy consumption pump, when crystal quality does not reach discharging quality, carries out reflux cycle sedimentation; When reaching discharging quality, closing volume valve, open outlet valve and magma feeding centrifugation apparatus is carried out Separation of Solid and Liquid, mother liquor comes back to crystallizing evaporator and carries out secondary evaporative crystallization again.The utility model make use of heat exchange quadruple pass and flows to, and heat exchanger tube is immersed in the material of low concentration and carries out ebuillition of heated, and having stopped the interior often fouling of heat exchange tube makes troubles and the difficult equipment dead angle cleaned to producing.This crystallizing evaporator also can form two-stage or multistage evaporation crystal system, and front stage is connected, and raw steam is by after prime, and the secondary steam of generation can enter into rear class, to make full use of heat energy.
Wherein preferred technical scheme is, described cavity outer circumferential side is provided with move towards perpendicular some fan heat exchanger tubes with heat exchanger tube and clean door.There is a small amount of fouling as pipe is outer in long production run, open heat exchange cleaning door and utilize giant to carry out rinsing.
Preferred technical scheme is further, and the middle and upper part outside described cavity is provided with specifies liquid level visor.The height of material liquid surface can be seen, be enough to cover heat exchanger tube, to make full use of heat energy.
Advantage of the present utility model and beneficial effect are: described internal heat type evaporation crystallization equipment is suitable for all kinds of inorganic chemicals industryization and produces, and the recycling of solid, solvent in chemical engineering industry wastewater treatment.Deduct the pressure Speed Circulation Pump that high electric energy is paid, be conducive to providing conveniently to plant maintenance in production, give and use enterprise directly to bring economic benefit.The utility model can meet the production that equipment runs continuously, the requirement of continuous feed, continuous discharge, equipment can by user need carry out supporting, evaporation capacity 0.1 ~ 25t/h designs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model internal heat type evaporation crystallization equipment;
Fig. 2 is the structural representation that embodiment 1 single-stage of the present utility model uses;
Fig. 3 is the structural representation that embodiment 2 two-stage of the present utility model uses;
Fig. 4 is the structural representation of the multistage use of embodiment 3 of the present utility model.
In figure: 1, steam inlet; 2, distilled water outlet; 3, charging aperture; 4, punishment in advance mouth; 5, discharging opening; 6, refluxing opening; 7, indirect steam outlet; 8, heat exchanger tube cleaning door; 9, liquid level visor is specified; 10, pump; 11, material subsider tank; 12, preheater; 13, crystallizing evaporator; 14, steam is given birth to; 15, steam-water separator; 16, cooler; 17, electrical control cubicles; 18, sample connection; 19, concentration analyzer; 20, heat-insulation layer; 21, chuck layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
Embodiment 1
As shown in accompanying drawing 1,2: the utility model is a kind of internal heat type evaporation crystallization equipment, the present embodiment is 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 to the steam distillation water that heating material produces from distilled water outlet 2 from the raw steam 14 of crystallizing evaporator and connects material feed gauge, to control the inlet amount of material.Meter connects the charging aperture 3 of crystallizing evaporator 13, crystallizing evaporator 13 for possessing heat exchange, evaporation, separation, froth breaking, sedimentation function be integrated equipment, raw steam enters evaporator heat exchanger from steam inlet 1, distilled water outlet connects drain valve, drain valve connects preheater water inlet of hot water, and hot water is discharged by overfall above preheater.Crystallizing evaporator is furnished with heater, material subsider tank 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 described crystallizing evaporator cavity is also provided with material subsider tank 11, and the bottommost of described material subsider tank 11 is described discharging opening 5.Sample connection 18 is provided with in the side of described discharging opening 5, sample connection 18 is provided with concentration analyzer 19, the testing result of concentration analyzer 19 can show being arranged on the concentration display in electrical control cubicles, the shell of described crystallizing evaporator is provided with heat-insulation layer 20, chuck layer 21 is provided with in the outside of described material subsider tank, chuck layer is provided with import and the outlet of cooling circulation liquid, and described import is connected with the water reception tank below condenser 16 by pipeline and circulating pump with outlet.Material reach supersaturation and crystallize out time naturally sink in groove tank, the discharging opening below subsider tank 11 connects low electric energy consumption pump 10, when crystal quality does not reach discharging quality, carries out reflux cycle sedimentation; When reaching discharging quality, closing volume valve, open outlet valve and magma feeding centrifugation apparatus is carried out Separation of Solid and Liquid, mother liquor comes back to crystallizing evaporator 13 through refluxing opening 6 and carries out secondary evaporative crystallization again.Indirect steam is also had to remove outlet and the valve of steam-water separator 15, indirect steam distilled water enters steam-water separator, be separated through steam-water separator, distilled water enters the water reception tank below cooler 16, condenser 16, all indirect steams enter cooling, condenser enters water reception tank below condenser after cooling, when water level reaches discharge liquid level, discharged by draining pump, cooler 16 is furnished with vacuum port, to connect vacuum system, recirculated cooling water import and export and valve, to ensure the normal operation of equipment.The pump 10 of discharging is that backflow AZ type pump, pump 10 also can distribution pipes visor, return valve, discharge valves, and raw steam flow process trend in single-stage evaporation crystallizer heater is four formula heat exchange modes, can efficiently utilize the heat energy of raw steam.By specifying liquid level visor 9.The height of material liquid surface can be seen, make liquid level cover heat exchanger tube, to make full use of heat energy.Meanwhile, also can observe on heat exchanger tube whether have fouling, if find that there is fouling, two fan heat exchanger tube cleaning doors 8 relative before and after can opening, with giant use water flushing heat exchanging pipe both sides, can be clean by removal of deposit.In addition, the confession of each pump class and equipment is electrically connected in electrical control cubicles 17, centralized Control, convenient operation.
Embodiment 2:
As shown in Figure 3, the 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 unlike prime crystallizing evaporator connects the steam inlet 1 of rear class crystallizing evaporator; The discharging opening 5 of prime crystallizing evaporator connects with the charging aperture 3 of rear class crystallizing evaporator.Utilize the heat energy of indirect steam, to the further crystalline deposit of material after concentrated.The distilled water outlet 2 of forward and backward level crystallizing evaporator and the indirect steam outlet 7 of rear class crystallizing evaporator connect steam-water separator 15.Indirect steam distilled water enters steam-water separator, be separated through steam-water separator, distilled water enters the water reception tank below cooler 16, condenser 16, all indirect steams enter cooling, condenser enters water reception tank below condenser after cooling, discharged by draining pump when water level reaches the full liquid level of discharge, cooling, condenser are furnished with vacuum port, to connect vacuum system, circulating cooling water entrance and valve, to ensure the normal operation of equipment.Make use of the heat energy of steam so further.
Embodiment 3:
As shown in Figure 4, the present embodiment is the using method of multistage evaporation crystallizer, has three crystallizing evaporators 13.Namely in the middle of forward and backward the two poles of the earth crystallizing evaporator of embodiment 2, a crystallizing evaporator 13 is added.Concrete using method is the same with front two embodiments.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. an internal heat type evaporation crystallization equipment, it is characterized in that, described equipment comprise be arranged on crystallizing evaporator cavity in middle part heat exchanger and be arranged on the steam inlet of heat exchanger of cavity outer circumferential side, distilled water outlet, charging aperture, refluxing opening, be arranged at the indirect steam outlet at cavity top, be located at the punishment in advance mouth of cavity bottom and the discharging opening of bottommost, Lower Half in described crystallizing evaporator cavity is also provided with material subsider tank, the bottommost of described material subsider tank is described discharging opening, sample connection is provided with in the side of described discharging opening, sample connection is provided with concentration analyzer, the shell of described crystallizing evaporator is provided with heat-insulation layer, chuck layer is provided with in the outside of described material subsider tank, chuck layer is provided with import and the outlet of cooling circulation liquid.
2. internal heat type evaporation crystallization equipment as claimed in claim 1, is characterized in that, described cavity outer circumferential side is provided with move towards perpendicular some fan heat exchanger tubes with heat exchanger tube and clean door.
3. internal heat type evaporation crystallization equipment as claimed in claim 1 or 2, is characterized in that, the middle and upper part outside described cavity is provided with specifies liquid level visor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417794.1U CN204815766U (en) | 2015-06-17 | 2015-06-17 | Interior hot type evaporation crystallization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417794.1U CN204815766U (en) | 2015-06-17 | 2015-06-17 | Interior hot type evaporation crystallization equipment |
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| CN204815766U true CN204815766U (en) | 2015-12-02 |
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| CN201520417794.1U Active CN204815766U (en) | 2015-06-17 | 2015-06-17 | Interior hot type evaporation crystallization equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173303A (en) * | 2018-10-11 | 2019-01-11 | 江苏易简环保科技有限公司 | A kind of dry arable land change device of high salt organic waste water thermo-compression evaporation coupling heat pump and its application method |
| CN114748888A (en) * | 2022-04-27 | 2022-07-15 | 安徽海华科技集团有限公司 | Thymol automatic continuous crystallization system and method |
-
2015
- 2015-06-17 CN CN201520417794.1U patent/CN204815766U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173303A (en) * | 2018-10-11 | 2019-01-11 | 江苏易简环保科技有限公司 | A kind of dry arable land change device of high salt organic waste water thermo-compression evaporation coupling heat pump and its application method |
| CN114748888A (en) * | 2022-04-27 | 2022-07-15 | 安徽海华科技集团有限公司 | Thymol automatic continuous crystallization system and method |
| CN114748888B (en) * | 2022-04-27 | 2024-06-07 | 安徽海华科技集团有限公司 | Automatic continuous crystallization system and method for thymol |
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