CN101564602A - High-efficiency evaporating and crystallizing tower - Google Patents
High-efficiency evaporating and crystallizing tower Download PDFInfo
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- CN101564602A CN101564602A CNA2009100156555A CN200910015655A CN101564602A CN 101564602 A CN101564602 A CN 101564602A CN A2009100156555 A CNA2009100156555 A CN A2009100156555A CN 200910015655 A CN200910015655 A CN 200910015655A CN 101564602 A CN101564602 A CN 101564602A
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- crystallizing
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- evaporating
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Abstract
The invention discloses a high-efficiency evaporating and crystallizing tower, which comprises a tower body, wherein the upper part of the tower body is provided with a feeding port; the upper part of an inner cavity of the tower body is provided with a material liquid spraying device; the top of the inner cavity of the tower body is provided with a steam collecting cavity; the cavity wall of the steam collecting cavity is provided with a vacuum negative-pressure steam outlet; a gas-liquid separating device is arranged between the steam collecting cavity and the inner cavity of the tower body; the bottom of the tower body is provided with a crystallizing bottom pool; the bottom of the crystallizing bottom pool is provided with a crystal discharging port; and the side wall of the crystallizing bottom pool is provided with a material liquid reflux inlet. The material liquid spraying device sprays a material liquid into an evaporating space like raining so as to accelerate the material liquid evaporation and improve the heat energy utilization rate. An evaporating container cannot easily generate incrustation to improve the production efficiency.
Description
Technical field
The present invention relates to solution evaporation and crystallization technique field, relate in particular to the equipment of a kind of solution evaporation and crystallization.
Background technology
Current the heat energy utilization rate at the evaporative crystallization technical field ubiquity of solution low, and water consumption is big, and container for evaporation is easy to generate fouling and influences the normal operation of equipment.How to improve the utilization rate of heat energy, the generation of fouling in the device that avoids evaporating reduces the influence of fouling to the evaporimeter operation, and how to reduce operating cost effectively, improves on-road efficiency, problem demanding prompt solution especially.
Summary of the invention
Technical problem to be solved by this invention provides a kind of heat energy utilization rate and production efficiency is higher, container for evaporation is not easy to produce the high-efficiency evaporating and crystallizing tower of fouling.
For solving the problems of the technologies described above, technical scheme of the present invention is: high-efficiency evaporating and crystallizing tower, comprise tower body, the top of described tower body is provided with charging aperture, the top of described tower body inner chamber is provided with the feed liquid injection apparatus, the top of described tower body inner chamber is provided with the vapor collection chamber, the chamber wall in described vapor collection chamber is provided with the negative pressure of vacuum steam (vapor) outlet, be provided with vapor-liquid separating device between described vapor collection chamber and the described tower body inner chamber, the bottom of described tower body is provided with pond at the bottom of the crystallization, the bottom in pond is provided with the crystal discharge port at the bottom of the described crystallization, and the sidewall in pond is provided with the feed liquid refluxing opening at the bottom of the described crystallization.
As optimized technical scheme, described tower body inner chamber also is equipped with the microwave applicator to the feed liquid heating that sprays into.
As optimized technical scheme, described feed liquid injection apparatus is the injector that sprays feed liquid to described tower body inner chamber, the feed liquid shape evaporating space injection in tower that becomes to drench with rain like this.
As optimized technical scheme, described vapor-liquid separating device is the foam removal net that the foam in the steam is removed.
As optimized technical scheme, the pond is back taper at the bottom of the described crystallization, and described crystal discharge port is arranged on the bottom in pond at the bottom of the described back taper crystallization.
Owing to adopted technique scheme, high-efficiency evaporating and crystallizing tower, comprise tower body, the top of described tower body is provided with charging aperture, the top of described tower body inner chamber is provided with the feed liquid injection apparatus, the top of described tower body inner chamber is provided with the vapor collection chamber, the chamber wall in described vapor collection chamber is provided with the negative pressure of vacuum steam (vapor) outlet, be provided with vapor-liquid separating device between described vapor collection chamber and the described tower body inner chamber, the bottom of described tower body is provided with pond at the bottom of the crystallization, the bottom in pond is provided with the crystal discharge port at the bottom of the described crystallization, and the sidewall in pond is provided with the feed liquid refluxing opening at the bottom of the described crystallization; The feed liquid injection apparatus is ejected into feed liquid in the evaporating space and makes it to become to drench with rain shape, has increased the evaporation surface of feed liquid, has accelerated the evaporation of feed liquid, has improved the heat energy utilization rate, and container for evaporation is not easy to produce fouling, has improved production efficiency.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the structural representation of the embodiment of the invention two;
Fig. 3 is the using method schematic diagram of the embodiment of the invention one;
Fig. 4 is the using method schematic diagram of the embodiment of the invention two;
Among the figure: 1-tower body, pond at the bottom of the 4-crystallization, 5-crystal discharge port, 6-charging aperture, 7-negative pressure of vacuum steam (vapor) outlet, 8-feed liquid refluxing opening, 9-microwave applicator, 10-discharging pump, the brilliant liquid/gas separator of 11-, 12-vapor collection chamber, 13-injector, 14-foam removal net, 15-first feed pump, 16-first heat exchanger, the 17-pressure regulator valve, 18-mixing pit, 19-second feed pump, 20-second heat exchanger, 21-vavuum pump, 22-heater.
The specific embodiment
Embodiment one:
As shown in Figure 1, high-efficiency evaporating and crystallizing tower, comprise tower body 1, the top of described tower body 1 is provided with charging aperture 6, the top of described tower body 1 inner chamber is provided with injector 13, the top of described tower body 1 inner chamber is provided with vapor collection chamber 12, the chamber wall in described vapor collection chamber 12 is provided with negative pressure of vacuum steam (vapor) outlet 7, be provided with foam removal net 14 between described vapor collection chamber 12 and described tower body 1 inner chamber, the bottom of described tower body 1 is provided with pond 4 at the bottom of the crystallization, the bottom in pond 4 is provided with crystal discharge port 5 at the bottom of the described crystallization, and the sidewall in pond 4 is provided with feed liquid refluxing opening 8 at the bottom of the described crystallization.
Described tower body 1 inner chamber also is equipped with the microwave applicator 9 to the feed liquid heating that sprays into.
The using method of present embodiment as shown in Figure 3, at first opening first feed pump 15 is sent to elementary feed liquid in first heat exchanger 16, flow into then in the mixing pit 18, again through expecting that second liquid pump 19 is sent in second heat exchanger 20, flow in the injector 13 at high-efficiency evaporating and crystallizing tower top through charging aperture 6 then, spray by injector 13 evaporating space in tower, make feed liquid form the shape of drenching with rain, and make it to be covered with evaporating space as far as possible.Open the microwave applicator 9 at high-efficiency evaporating and crystallizing tower top this moment, heating is ejected into the feed liquid in the evaporating space in the high-efficiency evaporating and crystallizing tower, feed liquid after being heated has been fallen the bottom of high-efficiency evaporating and crystallizing tower, so the bottom of high-efficiency evaporating and crystallizing tower is slowly filled with, and then feed liquid is overflowed and is flow into the elementary feed liquid of sending here with first feed pump 15 in the mixing pit 18 by the feed liquid refluxing opening 8 of high-efficiency evaporating and crystallizing tower and mixes mutually, and quilting second liquid pump 19 is sent in second heat exchanger 20 once more, flow in the injector 13 at high-efficiency evaporating and crystallizing tower top through charging aperture 6 again then, spray by injector 13 evaporating space in tower, make feed liquid form the shape of drenching with rain, and make it to be covered with the evaporating space in the tower as far as possible.So go round and begin again, the temperature of feed liquid also raises gradually, and reaches operating temperature.Open vavuum pump 21 then and will be pumped into negative pressure state in the high-efficiency evaporating and crystallizing tower, make feed temperature under this negative pressure state surpass boiling point under this pressure, produce steam so be ejected into the drench with rain feed liquid boiling vaporization in the process that falls of shape of one-tenth in the high-efficiency evaporating and crystallizing tower.The steam that is produced again by vavuum pump 21 through 7 sucking-offs of negative pressure of vacuum steam (vapor) outlet and be pressed in second heat exchanger 20, make second heat exchanger, 20 steam side pressure be stabilized in an atmospheric pressure or one more than the atmospheric pressure by regulating pressure regulator valve 17, if under an atmospheric situation, this moment is not as long as the temperature of second heat exchanger, 20 feed liquids, one side reaches 100 ℃, the generation of heat exchange will be arranged between the steam side of second heat exchanger 20 and the feed liquid side so, steam will be condensed this moment, and feed liquid will be heated.After being liquefied, steam becomes the primary solvent that also contains higher heat, for the least possible minimizing thermal loss, the primary solvent that will just be liquefied is sent in first heat exchanger 16 again, carry out heat exchange with the elementary feed liquid of flowing through herein, become at last and contained ultimate solvent more low in calories and flow into ultimate solvent cell.
The feed liquid that falls into the high-efficiency evaporating and crystallizing tower bottom is concentrated because having evaporated portion of water, the feed liquid in high-efficiency evaporating and crystallizing tower bottom of going round and beginning again like this will reach hypersaturated state and 4 bottoms, pond at the bottom of producing crystallization and being deposited to crystallization, and crystal is sent into brilliant liquid/gas separator 11 through crystal discharge port 5 by discharging pump 10 and carried out brilliant liquid and separate.
Present embodiment is used for desalinization, has more excellent effect.Not only can isolate a large amount of crystal salt, the most important thing is to obtain a large amount of condensed waters.
Embodiment two:
As shown in Figure 2, high-efficiency evaporating and crystallizing tower, comprise tower body 1, the top of described tower body 1 is provided with charging aperture 6, the top of described tower body 1 inner chamber is provided with injector 13, the top of described tower body 1 inner chamber is provided with vapor collection chamber 12, the chamber wall in described vapor collection chamber 12 is provided with negative pressure of vacuum steam (vapor) outlet 7, be provided with foam removal net 14 between described vapor collection chamber 12 and described tower body 1 inner chamber, the bottom of described tower body 1 is provided with pond 4 at the bottom of the crystallization, the bottom in pond 4 is provided with crystal discharge port 5 at the bottom of the described crystallization, and the sidewall in pond 4 is provided with feed liquid refluxing opening 8 at the bottom of the described crystallization.
The using method of present embodiment as shown in Figure 4, at first opening first feed pump 15 is sent to elementary feed liquid in first heat exchanger 16, flow into then in the mixing pit 18, again through expecting that second liquid pump 19 is sent in second heat exchanger 20, then by after heater 22 supplementary heatings, flow in the injector 13 at high-efficiency evaporating and crystallizing tower top through charging aperture 6, spray by injector 13 evaporating space in tower, make feed liquid form the shape of drenching with rain, and make it to be covered with evaporating space as far as possible, so the bottom of high-efficiency evaporating and crystallizing tower is filled with, and then feed liquid is overflowed and is flow into the elementary feed liquid of sending here with first feed pump 15 in the mixing pit 18 by the feed liquid refluxing opening 8 of high-efficiency evaporating and crystallizing tower and mixes mutually, and quilting second liquid pump 19 is sent in second heat exchanger 20 once more, then again by after heater 22 supplementary heatings, flow in the injector 13 at high-efficiency evaporating and crystallizing tower top through charging aperture 6, spray, make feed liquid form the shape of drenching with rain by injector 13 evaporating space in tower.And make it to be covered with evaporating space in the tower as far as possible.So go round and begin again, the temperature of feed liquid also raises gradually, and reaches operating temperature.Open vavuum pump 21 then and will be pumped into negative pressure state in the high-efficiency evaporating and crystallizing tower, make feed temperature under this negative pressure state surpass boiling point under this pressure, produce steam so be ejected into the drench with rain feed liquid boiling vaporization in the process that falls of shape of one-tenth in the high-efficiency evaporating and crystallizing tower.The steam that is produced again by vavuum pump 21 through 7 sucking-offs of negative pressure of vacuum steam (vapor) outlet and be pressed in second heat exchanger 20, make second heat exchanger, 20 steam side pressure be stabilized in an atmospheric pressure or one more than the atmospheric pressure by regulating pressure regulator valve 17, if under an atmospheric situation, this moment is not as long as the temperature of second heat exchanger, 20 feed liquids, one side reaches 100 ℃, the generation of heat exchange will be arranged between the steam side of second heat exchanger 20 and the feed liquid side so, steam will be condensed this moment, and feed liquid will be heated.After being liquefied, steam becomes the primary solvent that also contains higher heat, for the least possible minimizing thermal loss, the primary solvent that will just be liquefied is sent in the heat exchanger 16 again, carry out heat exchange with the elementary feed liquid of flowing through herein, become at last and contained ultimate solvent more low in calories and flow into ultimate solvent cell.
The feed liquid that falls into the high-efficiency evaporating and crystallizing tower bottom is concentrated because having evaporated portion of water, the feed liquid in high-efficiency evaporating and crystallizing tower bottom of going round and beginning again like this will reach hypersaturated state and 4 bottoms, pond at the bottom of producing crystallization and being deposited to crystallization, and crystal is sent into brilliant liquid/gas separator 11 through crystal discharge port 5 by discharging pump 10 and carried out brilliant liquid and separate.
Present embodiment can be used for desalinization equally, also has excellent effect.Not only can isolate a large amount of crystal salt, the most important thing is to obtain a large amount of condensed waters.
Claims (5)
1. high-efficiency evaporating and crystallizing tower, comprise tower body, it is characterized in that: the top of described tower body is provided with charging aperture, the top of described tower body inner chamber is provided with the feed liquid injection apparatus, the top of described tower body inner chamber is provided with the vapor collection chamber, the chamber wall in described vapor collection chamber is provided with the negative pressure of vacuum steam (vapor) outlet, be provided with vapor-liquid separating device between described vapor collection chamber and the described tower body inner chamber, the bottom of described tower body is provided with pond at the bottom of the crystallization, the bottom in pond is provided with the crystal discharge port at the bottom of the described crystallization, and the sidewall in pond is provided with the feed liquid refluxing opening at the bottom of the described crystallization.
2. high-efficiency evaporating and crystallizing tower as claimed in claim 1 is characterized in that: described tower body inner chamber also is equipped with the microwave applicator to the feed liquid heating that sprays into.
3. high-efficiency evaporating and crystallizing tower as claimed in claim 1 is characterized in that: described feed liquid injection apparatus is for spraying the injector of feed liquid to described tower body inner chamber.
4. high-efficiency evaporating and crystallizing tower as claimed in claim 1 is characterized in that: the foam removal net of described vapor-liquid separating device for the foam in the steam is removed.
5. high-efficiency evaporating and crystallizing tower as claimed in claim 1 is characterized in that: the pond is back taper at the bottom of the described crystallization, and described crystal discharge port is arranged on the bottom in pond at the bottom of the described back taper crystallization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100156555A CN101564602A (en) | 2009-05-21 | 2009-05-21 | High-efficiency evaporating and crystallizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100156555A CN101564602A (en) | 2009-05-21 | 2009-05-21 | High-efficiency evaporating and crystallizing tower |
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| CN101564602A true CN101564602A (en) | 2009-10-28 |
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| CNA2009100156555A Pending CN101564602A (en) | 2009-05-21 | 2009-05-21 | High-efficiency evaporating and crystallizing tower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219572A (en) * | 2016-08-26 | 2016-12-14 | 海洲环保集团有限公司 | A kind of solventing-out evaporation and crystallization system |
| CN110606613A (en) * | 2019-10-09 | 2019-12-24 | 北京国电富通科技发展有限责任公司 | Wave energy crystallization method and device for high-salinity wastewater |
| CN113772884A (en) * | 2021-09-03 | 2021-12-10 | 西安交通大学 | Coking wastewater treatment system and method |
-
2009
- 2009-05-21 CN CNA2009100156555A patent/CN101564602A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106219572A (en) * | 2016-08-26 | 2016-12-14 | 海洲环保集团有限公司 | A kind of solventing-out evaporation and crystallization system |
| CN110606613A (en) * | 2019-10-09 | 2019-12-24 | 北京国电富通科技发展有限责任公司 | Wave energy crystallization method and device for high-salinity wastewater |
| CN113772884A (en) * | 2021-09-03 | 2021-12-10 | 西安交通大学 | Coking wastewater treatment system and method |
| CN113772884B (en) * | 2021-09-03 | 2022-12-13 | 西安交通大学 | Coking wastewater treatment system and method |
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Open date: 20091028 |