CN201643753U - Film-rising evaporator with backflow function - Google Patents
Film-rising evaporator with backflow function Download PDFInfo
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- CN201643753U CN201643753U CN2010201162087U CN201020116208U CN201643753U CN 201643753 U CN201643753 U CN 201643753U CN 2010201162087 U CN2010201162087 U CN 2010201162087U CN 201020116208 U CN201020116208 U CN 201020116208U CN 201643753 U CN201643753 U CN 201643753U
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Abstract
The utility model relates to a film-rising evaporator with a backflow function, which comprises a sealed shell formed by an upper sealing head, a lower sealing head and a supporting wall, the sealed shell is sequentially divided into a material inlet section, an evaporation section, a defoaming section, a backflow section and a gas-phase outlet section from bottom to top; the upper sealing head is positioned at the gas-phase outlet section, the lower sealing head is positioned at the material inlet section, the material inlet section is provided with a material inlet, the evaporation section is provided with a heating device which is used for heating the material and evaporation, the upper part of the evaporation section is provided with a liquid-phase outlet which is positioned above the heating device for evaporation, the defoaming section is provided with a packing layer, the backflow section is provided with a heat-exchanging device which is used for cooling the material and condensation, and the gas-phase outlet section is provided with a gas-phase outlet. The evaporation can effectively complete the separation of different components with similar performance, has simple structure and good separating effect, and is mainly suitable for the continuous and scale separated production of chemical materials.
Description
Technical field
The utility model relates to a kind of stream film-rising evaporator of taking back, and relates in particular to a kind of evaporimeter that is used for the close different boiling material of separating property, belongs to chemical machinery field.
Background technology
In fine chemistry industry was produced, mostly material that is used to produce or thick product were the liquid mixture is made up of fractions need carry out separation to a certain degree, purified or the purpose of recovery useful constituent to reach.The mutually soluble liquids separating mixture is a lot, and as filtration, evaporation, distillation, rectifying and special extract rectification etc., evaporation is a kind of separate mode wherein.
At present, separate two kinds of low boiling components and adopt the intermittently mode of evaporation more, in the separation production process because the quality of the product separated is inconsistent, influence the result of use of products of separated easily, on the other hand, adopt the mode of production of intermittently evaporation not only to increase production cost but also be unfavorable for enhancing productivity.
The utility model content
For overcoming the above-mentioned defective of prior art; the utility model provides a kind of stream film-rising evaporator of taking back; by evaporating into effective separation of the close different component of character; can separate continuously material in the evaporation process; both saved cost; improve efficient again, be suitable for the chemical material separation of produced of serialization, scale.
The utility model is achieved through the following technical solutions: a kind of stream film-rising evaporator of taking back, it comprises by upper cover, the closure casing that low head and barrel constitute, described closure casing is divided into the material inlet section from bottom to up successively, evaporator section, the foam removal section, reflux section and gas phase outlet section, described upper cover is positioned at described gaseous phase outlet section, described low head is positioned at described material inlet section, described material inlet section is provided with material inlet, described evaporator section is provided with the evaporation heater that is used for to the material heating, the top of described evaporator section is provided with the liquid phase outlet, described liquid phase outlet is positioned at the top of described evaporation with heater, described foam removal section is provided with packing layer, described reflux section is provided with the condensation heat-exchanger rig that is used for to the material cooling, and described gaseous phase outlet section is provided with gaseous phase outlet.
Described evaporation can be adopted tube-sheet heat exchanger with heater, described tube-sheet heat exchanger can comprise evaporator section upper perforated plate, evaporator section lower perforated plate and the some evaporator section vertical ducts that are connected with described evaporator section upper perforated plate, evaporator section lower perforated plate, the upper and lower tube sheet of described evaporator section can be connected with the barrel welded seal of described evaporator section, the barrel of described evaporator section constitutes the shell of described tube-sheet heat exchanger, and is provided with heat medium import and outlet.
Described evaporator section vertical duct can be by some deflection plates location.
Described evaporator section can be provided with expansion joint, and the diameter dimension of the cross section of described expansion joint can be greater than the diameter dimension of the cross section of described evaporator section other parts.
Described expansion joint can be positioned at the top of described evaporation with heater.
Described liquid phase outlet can be located at the bottom of the barrel of described expansion joint.
The inboard of the barrel of described foam removal section can be fixedly connected with horizontal grate plate, described packing layer can be located at described grate plate above, the filler in the described packing layer can adopt any one of Raschig ring, cascade ring, Pall ring, screen waviness packings or perforated plate corrugated filler.
The tube-sheet heat exchanger that described condensation can adopt condensation to use with heat-exchanger rig, the tube-sheet heat exchanger that described condensation is used can comprise reflux section upper perforated plate, reflux section lower perforated plate and the some reflux section vertical ducts that are connected with described reflux section upper perforated plate, reflux section lower perforated plate, the upper and lower tube sheet of described reflux section can be connected with the barrel welded seal of described reflux section, the barrel of described reflux section constitutes the shell of the tube-sheet heat exchanger that described condensation uses, and is provided with cooling medium import and outlet.
Described reflux section vertical duct can be by some deflection plates location.
Described material inlet can be located at the bottom of described low head, and described gaseous phase outlet can be located at the top of described upper cover.
The beneficial effects of the utility model are: the utility model provides takes back the stream film-rising evaporator, compact conformation, continuous between the difference in functionality section, effectively the close material of different component character has been carried out effective separation on the one hand, adopt continuation mode to separate on the other hand, avoided batch process separation in the past to cause the unsettled phenomenon of end product quality, reduce separation costs, improved operating efficiency; In addition, be provided with expansion joint on the housing of evaporator section, its cross-sectional diameter is bigger than the cross-sectional diameter of evaporator section other parts, both can play the effect of vaporizer, for gas-liquid separation provides bigger space, be beneficial to gas-liquid separation, can compensate the thermal expansion that causes because of thermal (temperature difference) stress again.This evaporation structure is simple, and good separating effect is suitable for the chemical material separation of produced of serialization, scale.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Referring to Fig. 1, the utility model provides a kind of stream film-rising evaporator of taking back, comprise by upper cover 15, the closure casing that low head 16 and barrel constitute, described closure casing is divided into material inlet section 5 from bottom to up successively, evaporator section 4, foam removal section 3, reflux section 2 and gas phase outlet section 1, described upper cover is positioned at described gaseous phase outlet section, described low head is positioned at described material inlet section, described material inlet section is provided with material inlet 6, described evaporator section is provided with the evaporation heater that is used for to the material heating, the top of described evaporator section is provided with liquid phase outlet 10, described liquid phase outlet is positioned at the top of described evaporation with heater, described foam removal section is provided with packing layer 12, described reflux section is provided with the condensation heat-exchanger rig that is used for to the material cooling, and described gaseous phase outlet section is provided with gaseous phase outlet 14.
Can adopt welding, flange connection or other suitable connected modes to connect between described upper cover and the barrel and between described low head and the barrel, described barrel can adopt monolithic construction also can adopt the split-type structural corresponding with each section, when described barrel adopts split-type structural, can adopt the connected mode that flange 7 connects or other are suitable to connect between the adjacent two sections barrel of described gaseous phase outlet section, reflux section, foam removal section, evaporator section and material inlet section.
Described evaporation can be adopted tube-sheet heat exchanger with heater, described tube-sheet heat exchanger can comprise evaporator section upper perforated plate, evaporator section lower perforated plate and the some evaporator section vertical ducts 8 that are connected with described evaporator section upper perforated plate, evaporator section lower perforated plate, material to be separated can transmit from bottom to top by described evaporator section vertical duct, described evaporator section vertical duct can also can be end finned tube for light pipe, profile can be straight tube, also can be helix tube, be preferably straight tube, be arranged in parallel.Pipe material can be wherein a kind of of Q235-B, 20#, 16MnR, 0Cr18Ni9Ti, 1Cr18Ni9Ti or 0Cr18Ni9.On the described evaporator section, lower perforated plate can with the barrel fixed seal connection of described evaporator section, the connected mode of described fixing seal can be seal welding, also can be other suitable mode that is tightly connected, on described, lower perforated plate can weld with the barrel inner seal of described evaporator section, also can with the barrel of described evaporator section outside seal welding, on described evaporator section, when lower perforated plate adopts outside seal welding with described evaporator section barrel, on the described evaporator section, lower perforated plate extends to the outside of the barrel of described evaporator section, with the barrel of the described evaporator section outside in contacted position seal welding, on the described evaporator section, the part that lower perforated plate extends to the barrel outside of described evaporator section can be used as flange and directly is connected with the barrel of adjacent segment.The barrel of described evaporator section constitutes the shell of described tube-sheet heat exchanger, the barrel of the outer wall of described evaporator section vertical duct, described evaporator section upper perforated plate, described evaporator section lower perforated plate and described evaporator section constitutes enclosure space, guaranteeing that material to be separated flows in described evaporator section vertical duct when, the thermal medium in the enclosure space can heat for the material to be separated in the described evaporator section vertical duct and not with described evaporator section vertical duct in material to be separated mix mutually.
Can be provided with the heat medium entrance and exit on the barrel of described evaporator section, the flow direction of thermal medium in evaporator section inside is preferably opposite with the flow direction of material to be evaporated in the described evaporator section vertical duct, the level height that is described heat medium inlet can be higher than the level height that heat medium exports, and the level height of described heat medium inlet can be a little less than the residing level height in described evaporator section vertical duct upper end, the level height of described heat medium outlet can be a little more than the residing level height in described evaporator section vertical duct lower end, so that heat exchange is more abundant between material to be evaporated and the thermal medium, described thermal medium can be vapours or hot water, and the temperature range of thermal medium can be controlled between the boiling point of the boiling point of material low boiling material to be evaporated and high boiler material.
When described evaporator section vertical duct is longer, described evaporator section vertical duct can be by some deflection plate assist location, described deflection plate is provided with the through hole that passes for described evaporator section vertical duct, and described deflection plate can be fixedlyed connected with the upper and lower tube sheet of described evaporator section by the pull bar that is connected its two ends.
The barrel of described evaporator section can be provided with expansion joint 9, described expansion joint can be positioned at the top of described evaporation with heater, described expansion joint can adopt flange to be connected with the connected mode of described evaporator section barrel, welding or other suitable connected mode connect, the diameter dimension of the cross section of described expansion joint can be greater than the diameter dimension of the cross section of described evaporator section, what described expansion joint constituted can play the effect of vaporizer than large space, for gas-liquid separation provides bigger space, be beneficial to gas-liquid separation, simultaneously can also compensate the thermal expansion that causes because of thermal (temperature difference) stress, thereby avoid the evaporator section barrel because difference variation is destroyed, prolonged the service life of evaporator section barrel.Described liquid phase outlet can be located at the bottom of the barrel of described expansion joint, liquid phase substance after the gas-liquid separation of convenient process is therefrom discharged on the one hand, can guarantee that on the other hand the liquid phase substance of discharging carries more a spot of gaseous substance secretly, the barrel of described expansion joint can be tabular, is convenient to offer the liquid phase outlet.
The inboard of the barrel of described foam removal section can be fixedly connected with horizontal grate plate 11, connected mode can adopt the mode of welding, described packing layer 12 can be located at described grate plate above, described grate plate is played a supporting role to described packing layer, described packing layer can be used for removing other liquid flooding compositions that the gas phase behind the heating evaporation is carried secretly at uphill process, and the isolated gaseous substance of evaporator section is carried out further separating treatment.The material of described packing layer can adopt Q235-B, 20#, 16MnR, 0Cr18Ni9Ti, a kind of among 1Cr18Ni9Ti or the 0Cr18Ni9, filler in the described packing layer can adopt Raschig ring, cascade ring, Pall ring, any one of screen waviness packings or perforated plate corrugated filler, other liquid flooding compositions of carrying secretly in the gas phase can be stopped by the filler in the described packing layer and reflux, described filler can regularly replace or clear up and apply mechanically, for this reason, can offer hand hole on the barrel of described foam removal section, the convenient cleaning by the regular filler that takes out described packing layer of this hand hole applied mechanically.
The tube-sheet heat exchanger that described condensation can adopt condensation to use with heat-exchanger rig, the tube-sheet heat exchanger that described condensation is used can comprise reflux section upper perforated plate, reflux section lower perforated plate and the some reflux section vertical ducts 13 that are connected with described reflux section upper perforated plate, reflux section lower perforated plate, gaseous phase materials after the separation can transmit from bottom to top and partial reflux arranged by described reflux section vertical duct, described reflux section vertical duct can also can be end finned tube for light pipe, profile can be straight tube, also can be helix tube, be preferably straight tube, be arranged in parallel.Pipe material can be among Q235-B, 20#, 16MnR, 0Cr18Ni9Ti, 1Cr18Ni9Ti or the 0Cr18Ni9 a kind of.On the described reflux section, the barrel fixed seal connection of lower perforated plate and described reflux section, the connected mode of described fixing seal can be seal welding, also can be other suitable mode that is tightly connected, on the described reflux section, lower perforated plate can weld with the barrel inner seal of described reflux section, also can with the barrel of described reflux section outside seal welding, on described reflux section, when lower perforated plate adopts outside seal welding with described reflux section barrel, on the described reflux section, lower perforated plate extends to the outside of the barrel of described reflux section, weld at contacted position with the barrel outside of described reflux section, on the described reflux section, the part that lower perforated plate extends to the barrel outside of described reflux section can be used as flange and directly is connected with the barrel of adjacent segment.The barrel of described reflux section constitutes the shell of the tube-sheet heat exchanger that described condensation uses, the barrel of the outer wall of described reflux section vertical duct, described reflux section upper perforated plate, described reflux section lower perforated plate and described reflux section constitutes enclosure space, when in described reflux section vertical duct, flowing with the gaseous phase materials after guarantee separating, change liquid-phase reflux under the effect of cooling medium that the high boiling substance of wherein carrying secretly can be in enclosure space, and not with enclosure space in cooling medium mix mutually.
Can be provided with the cooling medium entrance and exit on the barrel of described reflux section, cooling medium the flow direction of reflux section inside be preferably with pipeline in treat that the flow direction of condensation material is opposite, the level height that is described cooling medium inlet can be higher than the level height that cooling medium exports, the level height of described cooling medium inlet can be a little less than the residing level height in described reflux section vertical duct upper end, the level height of described cooling medium outlet can be a little more than the residing level height in described reflux section vertical duct lower end, so that treat the condensation material can and cooling medium between heat exchange more abundant, described cooling medium can be condensed water, and the temperature range of cooling medium can be controlled between the boiling point of the boiling point for the treatment of condensation material low boilers material and high boiler material.
When described reflux section vertical duct is longer, described reflux section vertical duct can be by some deflection plate assist location, described deflection plate is provided with the through hole that passes for described reflux section vertical duct, and described deflection plate can be fixedlyed connected with the upper and lower tube sheet of described reflux section by the pull bar that is connected its two ends.
Described material inlet can be located at the bottom of described low head, and material to be separated enters from described material inlet; Described gaseous phase outlet can be located at the top of described upper cover, separates the satisfactory gaseous substance in back and discharges from described gaseous phase outlet, enters the recovery condenser then.
Operation principle of the present utility model is mainly: the material inlet section that material to be separated enters evaporimeter by the material inlet of pressure from the low head bottom, the through hole of the lower perforated plate of spontaneous evaporation section subsequently and the bottom-up conveying of evaporator section vertical duct, and with evaporator section in enclosure space in thermal medium carry out heat exchange, the low boiling material flashes to gaseous phase materials, material to be evaporated subsequently carries out gas-liquid separation in the inner space of expansion joint, liquid phase material is discharged and is collected from the liquid phase outlet, gaseous phase materials continues to move upward, enter the foam removal section, packing layer in the foam removal section absorbs the liquid flooding material through carrying secretly in the gaseous phase materials of this section, gaseous phase materials is further separated, liquid flooding feed back, gaseous phase materials after foam removal separates continues rising and arrives reflux section, the effect of high boiler material by the cooling medium in the enclosure space in the reflux section backflow that is condensed in the gaseous phase materials after foam removal separates, separate thus and obtain satisfactory gaseous substance, this satisfactory gaseous substance rises subsequently and enters the gaseous phase outlet section, and the gaseous phase outlet of this section is discharged and collected by retracting device certainly.
The utility model provides takes back the stream film-rising evaporator; simple in structure; can separate purification to the close different component material of character effectively by the mode of evaporation; in addition; adopt the separation process of continuous separate mode, the quality of the final products of separation is tended towards stability more, and reduced production cost; improve production efficiency, be suitable for the chemical material separation of produced of serialization, scale.
Claims (10)
1. take back the stream film-rising evaporator for one kind, it is characterized in that it comprises by upper cover, the closure casing that low head and barrel constitute, described closure casing is divided into the material inlet section from bottom to up successively, evaporator section, the foam removal section, reflux section and gas phase outlet section, described upper cover is positioned at described gaseous phase outlet section, described low head is positioned at described material inlet section, described material inlet section is provided with material inlet, described evaporator section is provided with the evaporation heater that is used for to the material heating, the top of described evaporator section is provided with the liquid phase outlet, described liquid phase outlet is positioned at the top of described evaporation with heater, described foam removal section is provided with packing layer, described reflux section is provided with the condensation heat-exchanger rig that is used for to the material cooling, and described gaseous phase outlet section is provided with gaseous phase outlet.
2. the stream film-rising evaporator of taking back according to claim 1, it is characterized in that described evaporation adopts tube-sheet heat exchanger with heater, described tube-sheet heat exchanger comprises evaporator section upper perforated plate, evaporator section lower perforated plate and the some evaporator section vertical ducts that are connected with described evaporator section upper perforated plate, evaporator section lower perforated plate, the upper and lower tube sheet of described evaporator section is connected with the barrel welded seal of described evaporator section, the barrel of described evaporator section constitutes the shell of described tube-sheet heat exchanger, and is provided with heat medium import and outlet.
3. the stream film-rising evaporator of taking back according to claim 2 is characterized in that described evaporator section vertical duct located by some deflection plates.
4. according to claim 1, the 2 or 3 described stream film-rising evaporators of taking back, it is characterized in that described evaporator section is provided with expansion joint, the diameter dimension of the cross section of described expansion joint is greater than the diameter dimension of the cross section of described evaporator section other parts.
5. the stream film-rising evaporator of taking back according to claim 4 is characterized in that described expansion joint is positioned at the top of described evaporation with heater.
6. the stream film-rising evaporator of taking back according to claim 5 is characterized in that described liquid phase exports the bottom of the barrel of being located at described expansion joint.
7. the stream film-rising evaporator of taking back according to claim 6, the inboard that it is characterized in that the barrel of described foam removal section is fixedly connected with horizontal grate plate, described packing layer be located at described grate plate above, filler in the described packing layer adopts any one of Raschig ring, cascade ring, Pall ring, screen waviness packings or perforated plate corrugated filler.
8. the stream film-rising evaporator of taking back according to claim 7, it is characterized in that the tube-sheet heat exchanger that described condensation adopts condensation to use with heat-exchanger rig, the tube-sheet heat exchanger that described condensation is used comprises reflux section upper perforated plate, reflux section lower perforated plate and the some reflux section vertical ducts that are connected with described reflux section upper perforated plate, reflux section lower perforated plate, the upper and lower tube sheet of described reflux section is connected with the barrel welded seal of described reflux section, the barrel of described reflux section constitutes the shell of the tube-sheet heat exchanger that described condensation uses, and is provided with cooling medium import and outlet.
9. the stream film-rising evaporator of taking back according to claim 8 is characterized in that described reflux section vertical duct located by some deflection plates.
10. the stream film-rising evaporator of taking back according to claim 9 is characterized in that described material inlet is located at the bottom of described low head, and described gaseous phase outlet is located at the top of described upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201162087U CN201643753U (en) | 2010-02-11 | 2010-02-11 | Film-rising evaporator with backflow function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201162087U CN201643753U (en) | 2010-02-11 | 2010-02-11 | Film-rising evaporator with backflow function |
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| Publication Number | Publication Date |
|---|---|
| CN201643753U true CN201643753U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201162087U Expired - Fee Related CN201643753U (en) | 2010-02-11 | 2010-02-11 | Film-rising evaporator with backflow function |
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| CN (1) | CN201643753U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569174A (en) * | 2018-12-31 | 2019-04-05 | 华测检测认证集团股份有限公司 | For detecting the knockout drum of organic acid substance |
| CN109589628A (en) * | 2018-12-31 | 2019-04-09 | 华测检测认证集团北京有限公司 | Integral type equipment for purifying for Acidic organic matter detection |
| CN110812867A (en) * | 2019-10-31 | 2020-02-21 | 魏双清 | Climbing film evaporator |
-
2010
- 2010-02-11 CN CN2010201162087U patent/CN201643753U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569174A (en) * | 2018-12-31 | 2019-04-05 | 华测检测认证集团股份有限公司 | For detecting the knockout drum of organic acid substance |
| CN109589628A (en) * | 2018-12-31 | 2019-04-09 | 华测检测认证集团北京有限公司 | Integral type equipment for purifying for Acidic organic matter detection |
| CN110812867A (en) * | 2019-10-31 | 2020-02-21 | 魏双清 | Climbing film evaporator |
| CN110812867B (en) * | 2019-10-31 | 2022-01-07 | 山东沃德净水科技有限公司 | Climbing film evaporator |
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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: 20101124 Termination date: 20150211 |
|
| EXPY | Termination of patent right or utility model |