CN202988780U - Vapor compression evaporating device - Google Patents
Vapor compression evaporating device Download PDFInfo
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- CN202988780U CN202988780U CN 201220716025 CN201220716025U CN202988780U CN 202988780 U CN202988780 U CN 202988780U CN 201220716025 CN201220716025 CN 201220716025 CN 201220716025 U CN201220716025 U CN 201220716025U CN 202988780 U CN202988780 U CN 202988780U
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- evaporation
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- tube bundle
- evaporation equipment
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Abstract
The utility model discloses a vapor compression evaporating device. The device comprises an evaporating cylinder body, a vapor generator, a vapor compressor, a hot well, a demisting device and a heat exchange device, wherein the evaporating cylinder body is a horizontal evaporating cylinder body; a U-type heat exchange tube bundle installed along the horizontal direction, at least one liquid distribution pipe, a vapor chamber and a distilled water chamber are arranged inside the evaporating cylinder body; the liquid distribution pipes are parallel; the at least one liquid distribution pipe is placed above the U-type heat exchange tube bundle; a plurality of liquid nozzles which are arranged at intervals are arranged on the at least one liquid distribution pipe; and the vapor chamber and the distilled water chamber are separated from each other by a pass partition plate and are communicated with the two ends of the U-type heat exchange tube bundle respectively. Due to adoption of an integrated cylinder device, the vapor compression evaporating device has the advantages that the structure is simple and compact; the evaporating efficiency can be improved, thereby saving energy; moreover, the vapor compression evaporating device is easy to install and maintain.
Description
Technical field
The utility model relates to a kind of evaporation equipment, relates in particular to a kind of vapor compression evaporation equipment for the treatment of trade effluent.
Background technology
In recent years, along with developing rapidly of suitability for industrialized production, environmental pollution increasingly sharpens, and the problem of rational utilization of water resources more and more has been subject to people and has paid close attention to, and particularly for safety dumping and the recycling of trade effluent, has obtained gradually the attention of various countries.Development along with the city, although the generation of a large amount of trade effluents is inevitable, but, if can be reasonably with its suitable disposal and utilization, not only can reduce the pollution to environment, the more important thing is the consumption that can reduce fresh water source, thus the target of the economic benefit of realization and environmental benefit doulbe-sides' victory development.In addition, also can be by same mode disposal and utilization for garbage leachate and sea water desaltination.
Evaporation technique as a kind of thermal Release Technology, is mainly the characteristic different with the solute volatility according to solvent, carries out solution and concentrates, or solvent recuperation and purification, be also the pretreatment process of crystallization operation simultaneously.Existing vaporizer utilizes such principle just, with the pollutent in sewage and moisture from.In evaporative process, pollutent is retained in concentrated solution, and water vapour reclaims through condensation process.Yet there is complex structure in existing evaporation equipment for Industrial Wastewater Treatment, not compact, vaporization efficiency is low and the defective such as easy care not.
The utility model content
The purpose of this utility model is to provide a kind of compact construction and the high vapor compression evaporation equipment of vaporization efficiency.
Further purpose of the present utility model is to provide a kind of not only compact construction, vaporization efficiency high, and is easy to the vapor compression evaporation equipment of maintaining.
Above-mentioned purpose of the present utility model realizes by following technical measures:
A kind of vapor compression evaporation equipment comprises evaporation cylindrical shell, vapour generator, vapour compressor, hot well, demister and heat exchanger, and wherein, described evaporation cylindrical shell is the horizontal evaporation cylindrical shell, and section is provided with lower array apparatus within it:
The U-shaped heat-exchanging tube bundle that along continuous straight runs is installed;
At least one parallel liquid distributor each other is positioned at the top of described U-shaped heat-exchanging tube bundle, is provided with several and is spaced apart mouth spray on described at least one liquid distributor;
Sweating room and distillation hydroecium, both are spaced from each other by pass partition, and the entrance of the outlet of described sweating room and described distillation hydroecium is connected with the two ends of described U-shaped heat-exchanging tube bundle respectively, and the entrance of described sweating room is connected with the steam outlet of vapour compressor.
As preferred implementation of the present utility model, within the demister of evaporation equipment of the present utility model and vapour generator also are positioned at described evaporation cylindrical shell, and, single or multiple lift demist net can be set in demister.
U-shaped heat-exchanging tube bundle described in the utility model can be arranged on the trapped orbit that is positioned at the evaporation cylindrical shell by at least one back up pad, and, in a side of described trapped orbit, the secondary steam dividing plate is set; Demist net stationary barrier is set in the both sides of described demist net, and this demist net stationary barrier and described secondary steam dividing plate form the secondary steam passage, through the demist Netcom steam-in to vapour compressor.
As another preferred implementation of the present utility model, described hot well is provided with the scale removal filtration unit.Described scale removal filtration unit can comprise filtering net along the setting of hot well inwall, be positioned at the rotatable scale removal utensil of filtering net inboard and motor and the transmission rig thereof that drives described scale removal utensil rotation.
As the utility model more preferred embodiment, can adopt thread connecting mode that jet head is installed at described mouth spray, so that the injection of the pending liquid of accurate and flexible ground control more makes it evenly be sprayed to exactly the surface of U-shaped heat-exchanging tube bundle.
The utility model also can arrange at the top of described evaporation cylindrical shell a plurality of hand holes, maintenance and the maintenance of being convenient to evaporate each parts of inner barrel.In addition, can be provided for cleaning the back flushing shower nozzle of demist net near described demist net, to guarantee the cleaning of demist net.
In order further to improve thermo-efficiency, also can embedded U-shaped tube heat-exchanger in distillation hydroecium of the present utility model.
The utility model has following useful technique effect with respect to prior art:
(1) the utility model adopts U-shaped heat-exchanging tube bundle, and than the linear pattern heat-exchanging tube bundle, the tube side that steam experiences increases, and thermo-efficiency is improved; Under the prerequisite that does not reduce thermo-efficiency, can reduce to evaporate the size of cylindrical shell, make the one-piece construction of evaporation equipment more compact.
(2) be incorporated into when forming integration apparatus in the evaporation cylindrical shell when demister and vapour generator, can further reduce device height, make device structure more compact, also can reduce simultaneously the pipeline connection.
(3) the utility model by being arranged on the guide functions of the secondary steam dividing plate in vaporizer, makes secondary steam enter demister.Demister is comprised of demist net, strut member and backwashing equipment, and this kind set-up mode can effectively increase the gas-liquid separation height, improves steam purity; In addition, according to the processing accuracy requirement, single or multiple lift demist net can be set.
(4) vapour generator directly is connected with vaporizer, can reduce calorific loss.
(5) when the utility model when the hot well place arranges the scale removal filtration unit, can facilitate cleaning and the maintenance of hot well.
Description of drawings
Fig. 1 is the structural representation according to vapor compression evaporation equipment of the present utility model;
Fig. 2 is the sweating room in Fig. 1 and the longitudinal sectional drawing that distills hydroecium;
Fig. 3 is that vapour generator in Fig. 1 and demister are along the part sectioned view of side direction;
Fig. 4 is the structural representation of the hot well in Fig. 1.
Description of reference numerals:
evaporation cylindrical shell 1, U-shaped heat-exchanging tube bundle 2, jet head 3, liquid distributor 4, vapour compressor 5, sweating room 6, distillation hydroecium 7, U-shaped heat-exchanging tube bundle 2, interchanger 8, hot well 9, hot well filtering net 91, scale removal utensil 92, scale removal motor 93, floating ball liquid level control valve 10, secondary steam dividing plate 11, vapour generator 12, electric heater 13, flange 14, demist net 15, back flushing shower nozzle 16, demist net stationary barrier 17, concentrate pump 18, acid/alkali lye aspirator 19, degassing vessel 20, distilled water pump 21, former water/distilled water heat exchanger 22 and Yuan Shui/concentrated solution heat exchanger 23, back up pad 24, trapped orbit 25, hand hole 26, pass partition 27, exhaust gas processing device 28, N1-steam entry, N2-distilled water outlet, N3-Waste gas outlet, N4-former water inlet, N5-former water out, N6-secondary steam outlet.
Embodiment
In order to further illustrate the purpose of this utility model, technical scheme and useful technique effect, below in conjunction with the drawings and specific embodiments, the utility model is explained in detail.
Fig. 1 is the structural representation according to the vapor compression evaporation equipment of a kind of embodiment of the present utility model.As shown in Figure 1, this vapor compression evaporation equipment comprises: evaporation cylindrical shell 1, vapour generator 12, vapour compressor 5, hot well 9, demister and a series of heat exchanger, wherein, evaporation cylindrical shell 1 is the horizontal evaporation cylindrical shell, vapour generator 12 and demister all are arranged on the inside of evaporation cylindrical shell 1, in addition, also be provided with U-shaped heat-exchanging tube bundle 2, parallel at least one liquid distributor 4, sweating room 6 and distillation hydroecium 7 each other in the inside of evaporation cylindrical shell 1.
Wherein, U-shaped heat-exchanging tube bundle 2 levels are installed on the inside of evaporation cylindrical shell 1, and particularly, U-shaped heat-exchanging tube bundle 2 can be fixed on the trapped orbit 25 that is positioned at the evaporation cylindrical shell by at least one back up pad 24.Liquid distributor 4 is arranged on the top of U-shaped heat-exchanging tube bundle 2, the quantity of liquid distributor 4 can be one or more, every liquid distributor is provided with interval several mouth sprays uniformly, and each mouth spray is sentenced thread connecting mode jet head 3 is installed, so that control more neatly the hydrojet angle.U-shaped heat-exchanging tube bundle 2 is for evaporative process provides heat exchange surface, and therefore, the bore of jet head 3 should be enough large, sprays the outside surface of U-shaped heat transfer tube 2 and forms liquid film to guarantee uniform liquid; Mouth spray towards guaranteeing that pending liquid can evenly be sprayed to the surface of U-shaped heat-exchanging tube bundle 2 exactly, guarantee that solution temperature is evenly distributed, avoid the surface of U-shaped heat-exchanging tube bundle 2 to occur doing.
As depicted in figs. 1 and 2, U-shaped heat-exchanging tube bundle 2 two ends connect respectively sweating room 6 and distillation hydroecium 7, are separated by pass partition 27 between sweating room 6 and distillation hydroecium 7, and fix by flange and evaporation cylindrical shell 1 and tube sheet.The entrance of the outlet of sweating room 6 and distillation hydroecium 7 is connected with the two ends of U-shaped heat-exchanging tube bundle 2 respectively, and the entrance of sweating room 6 is connected by flange with the steam outlet of vapour compressor 5.Embedded U-shaped interchanger 8 in distillation hydroecium 7 is in order to recycle better heat energy.
A side welding secondary steam dividing plate 11 at described trapped orbit 25, secondary steam dividing plate 11 is used for stopping that spray liquid is sprayed to demister on the one hand, form the secondary steam passage on the other hand together with the stationary barrier 17 of demist net 15 both sides in being arranged on demister, the guiding secondary steam enters demister, by demist net 15, the drop of entrainment with steam is held back.
Demister can be installed single or multiple lift demist net, and in the present embodiment, demister is provided with two-layer demist net 15, as shown in figures 1 and 3.Secondary steam after the demist net filtration enters vapour compressor 5 through outlet N6.In addition, present embodiment can also leave passage at a side dividing plate of the two-layer demist net of demister, so that the installation of demist net and replacing.And, also be provided with the cleaning that back flushing shower nozzle 16 is used for the demist net near demist net 15.
Evaporation cylindrical shell 1 is used for collecting not vaporised liquid with hot well 9, and hot well 9 is arranged on the bottom of evaporation cylindrical shell 1, arranges water inlet float(ing)valve 10, liquidometer, scale removal filtration unit, dosing mouth, loop exit and sewage draining exit on hot well 9.Wherein, dosing can realize by aspirator 19.Hot well scale removal filtration unit in present embodiment comprises filtering net 91 along the inwall setting of hot well 9, be positioned at the rotatable scale removal utensil 92 of filtering net inboard and motor 93 and the transmission rig thereof that drives 92 rotations of scale removal utensil, as shown in Figure 4.Filtering net 91 in hot well 9 has been held back the dirt in liquid, and cleaning water refluxes after filter screen flows out; Scale removal utensil 92 is rotatable scraper or brush,, and regularly the dirt that accumulates in hot well is discharged the dirt removal of holding back from filtering net 91 surfaces.In addition, the evaporation equipment in present embodiment also is provided with exhaust gas processing device 28, the main technology such as charcoal absorption, chemical absorption that adopt of this exhaust gas processing device 28.
In order to reclaim to greatest extent heat, evaporation equipment of the present utility model is provided with vapour compressor 5, Yuan Shui/distilled water interchanger 22, Yuan Shui/concentrated solution interchanger 23 etc.
In addition, distilled water degassing vessel 20 can be removed from distillation hydroecium 7, be dissolved in the components such as air in water of condensation, ammonia, organic volatile, thereby guarantees the water quality of product water.Degassing vessel 20 purifies distilled water for the spray degas system of packing layer is housed by flash distillation and gas-liquid exchange process.
In the present embodiment, the top of evaporation cylindrical shell 1 also is provided with a plurality of hand holes 26, is convenient to maintenance and the replacing of jet head.
For the utility model is described in more detail, below the operation of the related evaporation equipment of present embodiment is explained:
At the pre-heating stage of equipment, former water enters in the hot well 9 of evaporation equipment through float(ing)valve 10, and when water level reaches desired location, float(ing)valve 10 is closed.On the U-shaped heat-exchanging tube bundle 2 that former water in system is installed to horizontal direction by recycle pump 18 circulated sprinklings, and the steam that is produced by vapour generator 12 heats, until water temperature reaches operating requirement.
In the equipment operation phase, former water enters further preheating in U-shaped interchanger 8 through former water/distilled water interchanger 22 and Yuan Shui/concentrated solution interchanger 23 preheatings by the former water inlet N4 that distills hydroecium 7, and is pumped in circulation line through former water out N5.Former water in circulation line is through liquid distributor 4, evenly sprayed to U-shaped heat-exchanging tube bundle 2 by jet head 3, by with the pipe in steam heat-exchanging, self evaporate and produce secondary steam, the passage that secondary steam forms together with demist net stationary barrier 17 along secondary steam dividing plate 11 is entered the entrance of vapour compressor 5 by secondary steam outlet N6 through demist net 15.The pressure and temperature of the secondary steam after compression all gets a promotion, and through going to send into sweating room 6 by steam entry N1 after overheated, and along the tube side of U-shaped heat-exchanging tube bundle 2 and the liquid heat exchange of outer wall, condensation water collection is in distillation hydroecium 7.Non-condensable gas in distilled water enters exhaust gas processing device 28 by Waste gas outlet N3 through U-shaped interchanger 8 is cooling, and distilled water enters degassing vessel 20 through distilled water outlet N2 and further removes fugitive constituent in water.Distilled water can be used as product water and collects after being sent into interchanger 22 and done further cooling and process by distilled water pump 21.Simultaneously, concentrated solution is sent into the cooling rear discharging of interchanger 23 or is further processed by recycle pump 18.The distilled water that evaporation equipment of the present utility model produces can be used as superheated water, vapour generator moisturizing and backwash water recycle, need not extra moisturizing.Demister backwashing water and the drop of holding back are pooled to the bottom and are discharged by the bypass duct that is communicated with hot well 9, can not be accumulated in demist net 15 bottoms, cause secondary steam again to carry secretly.System is provided with the cleaning dosing mouth in addition, by acid/alkali lye aspirator 19, acid/alkali lye is sent into hot well 9, controls by pipeline and can form closed circuit clean cycle system.
Abovely in conjunction with embodiment of the present utility model, the utility model is described; these embodiments are only exemplary; protection domain of the present utility model is not consisted of any restriction, and those skilled in the art can carry out various modifications, variation or replacement under the prerequisite that does not break away from the utility model essence.Therefore, the various equivalent variations according to the utility model is done still belong to the scope that the utility model is contained.
Claims (10)
1. a vapor compression evaporation equipment, comprise evaporation cylindrical shell, vapour generator, vapour compressor, hot well, demister and heat exchanger, it is characterized in that:
Described evaporation cylindrical shell is the horizontal evaporation cylindrical shell, and section is provided with lower array apparatus within it:
The U-shaped heat-exchanging tube bundle that along continuous straight runs is installed;
At least one parallel liquid distributor each other is positioned at the top of described U-shaped heat-exchanging tube bundle, is provided with several and is spaced apart mouth spray on described at least one liquid distributor;
Sweating room and distillation hydroecium, both are spaced from each other by pass partition, and the entrance of the outlet of described sweating room and described distillation hydroecium is connected with the two ends of described U-shaped heat-exchanging tube bundle respectively, and the entrance of described sweating room is connected with the steam outlet of vapour compressor.
2. evaporation equipment according to claim 1 is within described demister and vapour generator are positioned at described evaporation cylindrical shell.
3. evaporation equipment according to claim 2, described demister is provided with single or multiple lift demist net.
4. evaporation equipment according to claim 3, described U-shaped heat-exchanging tube bundle are arranged on by at least one back up pad on the trapped orbit that is positioned at the evaporation cylindrical shell, are provided with the secondary steam dividing plate in a side of described trapped orbit; Be provided with demist net stationary barrier in the both sides of described demist net, this demist net stationary barrier and secondary steam dividing plate form the secondary steam passage.
5. evaporation equipment according to claim 1, described hot well is provided with the scale removal filtration unit.
6. evaporation equipment according to claim 5, described scale removal filtration unit comprise filtering net along the setting of hot well inwall, be positioned at the rotatable scale removal utensil of filtering net inboard and motor and the transmission rig thereof that drives described scale removal utensil rotation.
7. evaporation equipment according to claim 1, install jet head at described mouth spray with thread connecting mode.
8. evaporation equipment according to claim 1, is characterized in that, is provided with a plurality of hand holes at the top of described evaporation cylindrical shell.
9. near evaporation equipment as claimed in claim 2: be provided with described demist net for the back flushing shower nozzle that cleans the demist net.
10. evaporation equipment as claimed in claim 1, is characterized in that: embedded U-shaped tube heat-exchanger in described distillation hydroecium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716025 CN202988780U (en) | 2012-12-21 | 2012-12-21 | Vapor compression evaporating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220716025 CN202988780U (en) | 2012-12-21 | 2012-12-21 | Vapor compression evaporating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202988780U true CN202988780U (en) | 2013-06-12 |
Family
ID=48559979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220716025 Withdrawn - After Issue CN202988780U (en) | 2012-12-21 | 2012-12-21 | Vapor compression evaporating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202988780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880100A (en) * | 2012-12-21 | 2014-06-25 | 鼎联高新技术（北京）有限公司 | Novel vapor compression evaporation apparatus |
| CN106823662A (en) * | 2017-04-11 | 2017-06-13 | 钱兆鑫 | Industrial tail gas purified treatment and haze device |
-
2012
- 2012-12-21 CN CN 201220716025 patent/CN202988780U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880100A (en) * | 2012-12-21 | 2014-06-25 | 鼎联高新技术（北京）有限公司 | Novel vapor compression evaporation apparatus |
| CN106823662A (en) * | 2017-04-11 | 2017-06-13 | 钱兆鑫 | Industrial tail gas purified treatment and haze device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20150722 |
|
| RGAV | Abandon patent right to avoid regrant |