CN221155398U - Falling film evaporator for styrene rectification - Google Patents
Falling film evaporator for styrene rectification Download PDFInfo
- Publication number
- CN221155398U CN221155398U CN202323141980.0U CN202323141980U CN221155398U CN 221155398 U CN221155398 U CN 221155398U CN 202323141980 U CN202323141980 U CN 202323141980U CN 221155398 U CN221155398 U CN 221155398U
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- Prior art keywords
- falling film
- groups
- fixedly connected
- film evaporator
- evaporation
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000011552 falling film Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000001704 evaporation Methods 0.000 claims abstract description 41
- 230000008020 evaporation Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 19
- 210000003437 trachea Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000010408 film Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a falling film evaporator for styrene rectification, which relates to the technical field of falling film evaporators and comprises an evaporation mechanism, wherein a heating mechanism is fixedly arranged at the top of the evaporation mechanism and comprises a second air pipe, and a water tank is fixedly sleeved on the outer surface wall of the second air pipe. According to the utility model, under the action of the evaporation mechanism, when the inner film wall of the falling film evaporator is scaled or blocked, only four groups of fixing bolts are required to be rotated, the four groups of fixing bolts can be pulled out from the inner parts of the four groups of threaded holes under the action of the first groups of springs, then the second groups of springs and the top plate can take the four groups of fixing blocks out of the inner top parts of the four groups of shells, so that the sealing cover and the evaporator can be conveniently taken down for cleaning, the cleaning and smoothness of the heat transfer surface are kept, the heat transfer effect is improved, the energy consumption is reduced, the energy cost is reduced, meanwhile, the equipment failure can be prevented, and the service life of the equipment is prolonged.
Description
Technical Field
The utility model relates to the technical field of falling film evaporators, in particular to a falling film evaporator for styrene rectification.
Background
A falling film evaporator is a common heat transfer device, which is commonly used in mass and heat transfer processes between a liquid and a gas, and operates on the principle that the liquid is passed from an upper part to a lower part in the form of a thin film, in which process the liquid evaporates and the gas condenses due to heat and mass transfer between the liquid and the gas.
At present, in the use of falling film evaporator, because some liquid inside exists the precipitate, liquid in the evaporation process, the precipitate can adhere to inside the membrane wall, reduces the heat transfer effect of device, not only can cause the energy consumption to increase, and evaporation effect reduces, still can increase the cleaning frequency of equipment, shortens equipment life.
Disclosure of utility model
The utility model aims to solve the problems that the inner membrane wall of a falling film evaporator is easy to scale or block, the evaporation effect is reduced and the service life of the equipment is shortened when the equipment is used, so that the falling film evaporator for styrene rectification is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the falling film evaporator for styrene rectification comprises an evaporation mechanism, wherein a heating mechanism is fixedly arranged at the top of the evaporation mechanism;
The evaporation mechanism comprises a base, a first discharge port is fixedly arranged at the top of the base, a first group of air pipes are fixedly connected with the output end of the evaporation tank, a second group of air pipes are fixedly connected with the output end of the first group of air pipes, a second discharge port is fixedly connected with the output end of the second group of air pipes, a fixing plate is fixedly arranged on the inner surface wall of the evaporation tank, a group of guide devices are fixedly arranged at the top of the fixing plate, an evaporator is movably inserted into the inner surface wall of the guide devices, the outer surface wall of the evaporator is movably inserted into the fixing plate, a sealing cover is fixedly arranged at the top of the evaporator, four fixing blocks are fixedly arranged on the outer surface wall of the sealing cover, and a group of threaded holes are formed in the outer surface wall of the fixing blocks.
Preferably, the inner surface walls of the four groups of threaded holes are all rotationally connected with a group of fixing bolts, and one side of the outer wall of each of the four groups of fixing bolts is fixedly connected with a group of springs I.
Preferably, the outer surface walls of the four groups of fixing bolts are movably sleeved with a shell, and springs II are fixedly arranged at the bottoms of the inner walls of the four shells.
Preferably, top plates are fixedly arranged at the tops of the four springs II, and the tops of the four top plates are contacted with the bottoms of the fixed blocks.
Preferably, the heating mechanism comprises a second air pipe, a water tank is fixedly sleeved on the outer surface wall of the second air pipe, and the output end of the water tank is fixedly communicated with a first water pipe.
Preferably, the output end of the first water pipe is fixedly communicated with a water pump, and the output end of the water pump is fixedly communicated with a second water pipe.
Preferably, the top of base and the bottom fixed connection of water tank, the top of base and the bottom fixed connection of water pump, vapour and liquid separator's output and the input fixed intercommunication of trachea two, the output of water pipe two and evaporation tank input fixed intercommunication.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. According to the utility model, under the action of the evaporation mechanism, when the inner film wall of the falling film evaporator is scaled or blocked, only four groups of fixing bolts are required to be rotated, the four groups of fixing bolts can be pulled out from the inner parts of the four groups of threaded holes under the action of the first groups of springs, then the second groups of springs and the top plate can take the four groups of fixing blocks out of the inner top parts of the four groups of shells, so that the sealing cover and the evaporator can be conveniently taken down for cleaning, the cleaning and smoothness of the heat transfer surface are kept, the heat transfer effect is improved, the energy consumption is reduced, the energy cost is reduced, meanwhile, the equipment failure can be prevented, and the service life of the equipment is prolonged.
2. According to the utility model, under the action of the heating mechanism, high-temperature steam can be brought into the water tank through the air pipe II to heat the styrene therein, so that not only is the heat pollution caused by direct exhaust of waste gas reduced, but also the heating energy consumption of the evaporator can be reduced, and the production cost is reduced.
Drawings
Fig. 1 is a perspective view showing the structure of a falling film evaporator for styrene rectification according to the present utility model;
FIG. 2 is a top perspective view of an evaporation mechanism in a falling film evaporator for styrene rectification in accordance with the present utility model;
FIG. 3 is a partial top view showing the structure of the evaporation mechanism in the falling film evaporator for styrene rectification according to the present utility model;
FIG. 4 is a schematic diagram showing the partial structural separation of an evaporation mechanism in a falling film evaporator for styrene rectification;
Fig. 5 is a top view showing a split of a heating mechanism in a falling film evaporator for styrene rectification according to the present utility model.
Legend description:
1. An evaporation mechanism; 101. a base; 102. an evaporation tank; 103. a first discharging hole; 104. a first air pipe; 105. a vapor-liquid separator; 106. a second discharging port; 107. a fixing plate; 108. a guide; 109. an evaporator; 110. sealing cover; 111. a fixed block; 112. a threaded hole; 113. a first spring; 114. a fixing bolt; 115. a housing; 116. a second spring; 117. a top plate;
2. A heating mechanism; 201. a second air pipe; 202. a water tank; 203. a first water pipe; 204. a water pump; 205. and a second water pipe.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
The embodiment 1, as shown in fig. 1-5, provides a falling film evaporator for styrene rectification, which comprises an evaporation mechanism 1, wherein a heating mechanism 2 is fixedly arranged at the top of the evaporation mechanism 1;
The evaporation mechanism 1 comprises a base 101, an evaporation tank 102 is fixedly arranged at the top of the base 101, a first discharge outlet 103 is fixedly communicated with the output end of the evaporation tank 102, a first group of air pipes 104 is fixedly communicated with the output end of the evaporation tank 102, a vapor-liquid separator 105 is fixedly communicated between the output ends of the first group of air pipes 104, the bottom of the vapor-liquid separator 105 is fixedly connected with the top of the base 101, a second discharge outlet 106 is fixedly communicated with the output end of the vapor-liquid separator 105, a fixed plate 107 is fixedly arranged on the inner surface wall of the evaporation tank 102, a group of guide 108 is fixedly arranged at the top of the fixed plate 107, an evaporator 109 is movably inserted into the inner surface wall of the group of guide 108, the outer surface wall of the evaporator 109 is movably inserted into the fixed plate 107, the top of the evaporator 109 is fixedly provided with a sealing cover 110, the outer surface wall of the sealing cover 110 is fixedly provided with four fixing blocks 111, the outer surface walls of the four fixing blocks 111 are provided with a group of threaded holes 112, the inner surface walls of the four groups of threaded holes 112 are rotationally connected with a group of fixing bolts 114, one side of the outer wall of the four groups of fixing bolts 114 is fixedly connected with a group of first springs 113, the outer surface walls of the four groups of fixing bolts 114 are movably sleeved with a shell 115, the bottoms of the inner walls of the four shells 115 are fixedly provided with second springs 116, the tops of the four second springs 116 are fixedly provided with top plates 117, and the tops of the four top plates 117 are contacted with the bottoms of the fixing blocks 111.
The effect that its whole embodiment 1 reaches is, after styrene pours into evaporation vessel 102, begin to enter into the inside of evaporimeter 109 under the effect of pressure and gravity, form the water film and flow down, the evaporimeter 109 heats styrene and concentrates styrene, the styrene that is concentrated is discharged through discharge gate one 103 of evaporation vessel 102 bottom, gas then gets into vapour-liquid separator 105, the residual styrene is discharged through discharge gate two 106, high temperature steam is discharged from the top, when needs take out the evaporimeter 109 and clean, only need rotate four sets of fixing bolt 114, four sets of spring one 113 can assist four sets of fixing bolt 114 to take out, then four sets of spring two 116 and four sets of roof 117 can be ejecting four fixed blocks 111 from four sets of shell 115 insides, be convenient for take off the evaporimeter 109, wash it, keep heat transfer surface's cleanness and smoothness, still can prevent equipment trouble, increase equipment's life.
In embodiment 2, as shown in fig. 2-5, the heating mechanism 2 comprises a second air pipe 201, a water tank 202 is fixedly sleeved on the outer surface wall of the second air pipe 201, a first water pipe 203 is fixedly communicated with the output end of the water tank 202, a water pump 204 is fixedly communicated with the output end of the first water pipe 203, a second water pipe 205 is fixedly communicated with the output end of the water pump 204, the top of the base 101 is fixedly connected with the bottom of the water tank 202, the top of the base 101 is fixedly connected with the bottom of the water pump 204, the output end of the vapor-liquid separator 105 is fixedly communicated with the input end of the second air pipe 201, and the output end of the second water pipe 205 is fixedly communicated with the input end of the evaporation tank 102.
The effect that its whole embodiment 2 reaches is, after high temperature steam enters into trachea two 201, will be discharged again with the styrene heating of water tank 202 inside, has not only reduced the thermal pollution of high temperature steam, can also save the energy, and the styrene that is heated can be carried into evaporation tank 102 by water pump 204, need not artifical reinforced, labour saving and time saving.
Working principle: styrene to be rectified is injected into the evaporation tank 102, then the styrene starts to enter the evaporation tank 109 under the action of pressure and gravity, a water film is formed in the styrene, at the moment, the evaporation tank 109 heats the styrene, so that moisture in the styrene is gradually vaporized, then the concentrated styrene drops to the bottom of the evaporation tank 102 and is discharged through the first discharge port 103, then gas enters the vapor-liquid separator 105 through the first gas pipe 104, the vapor-liquid separator 105 discharges the residual styrene through the second discharge port 106, high-temperature steam enters the water tank 202 through the second gas pipe 201, the heated styrene is brought into the evaporation tank 102 through the first water pipe 203 and the second water pipe 205 by the water pump 204, when the evaporator 109 needs to be cleaned, only four groups of fixing bolts 114 are required to be rotated, the four groups of fixing bolts 114 are pulled out from the four groups of threaded holes 112 under the action of the four groups of springs 113, then the four groups of springs 116 are pushed out of the four fixing blocks 111 through the four groups of top plates 117, and the sealing cover 110 and the evaporator 109 are conveniently taken out for cleaning.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. A falling film evaporator for styrene rectification, comprising an evaporation mechanism (1), characterized in that: the top of the evaporation mechanism (1) is fixedly provided with a heating mechanism (2);
The evaporation mechanism (1) comprises a base (101), a first discharge port (103) is fixedly connected to the output end of the evaporation tank (102), a first group of air pipes (104) is fixedly connected to the output end of the evaporation tank (102), a group of vapor-liquid separators (105) are fixedly connected to the output end of the first air pipes (104), the bottom of the vapor-liquid separators (105) is fixedly connected with the top of the base (101), a second discharge port (106) is fixedly connected to the output end of the vapor-liquid separators (105), a fixed plate (107) is fixedly arranged on the inner surface wall of the evaporation tank (102), a group of guides (108) are fixedly arranged on the top of the fixed plate (107), a group of evaporators (109) are movably inserted into the inner surface wall of the guides (108), the outer surface walls of the evaporators (109) are movably inserted into the inner parts of the fixed plate (107), the top of the evaporators (109) are fixedly connected with a sealing cover (110), four fixed surface blocks (111) are fixedly arranged on the top of the evaporator (109), and four fixed blocks (111) are fixedly arranged on the outer surface walls of the fixed blocks (111).
2. A falling film evaporator for styrene rectification as claimed in claim 1, wherein: the inner surface walls of the four groups of threaded holes (112) are respectively and rotatably connected with a group of fixing bolts (114), and one side of the outer wall of each fixing bolt (114) is respectively and fixedly connected with a group of springs I (113).
3. A falling film evaporator for styrene rectification as claimed in claim 2, wherein: the outer surface walls of the four groups of fixing bolts (114) are movably sleeved with a shell (115), and springs II (116) are fixedly arranged at the bottoms of the inner walls of the four shells (115).
4. A falling film evaporator for styrene rectification as claimed in claim 3, wherein: top plates (117) are fixedly arranged at the tops of the four springs II (116), and the tops of the four top plates (117) are contacted with the bottom of the fixed block (111).
5. A falling film evaporator for styrene rectification as claimed in claim 1, wherein: the heating mechanism (2) comprises a second air pipe (201), a water tank (202) is fixedly sleeved on the outer surface wall of the second air pipe (201), and a first water pipe (203) is fixedly communicated with the output end of the water tank (202).
6. A falling film evaporator for styrene rectification as set forth in claim 5, wherein: the output end of the first water pipe (203) is fixedly communicated with a water pump (204), and the output end of the water pump (204) is fixedly communicated with a second water pipe (205).
7. A falling film evaporator for styrene rectification as set forth in claim 6, wherein: the top of base (101) is fixedly connected with the bottom of water tank (202), the top of base (101) is fixedly connected with the bottom of water pump (204), the output of vapour-liquid separator (105) is fixedly connected with the input of trachea two (201), the output of water pipe two (205) is fixedly connected with the input of evaporation jar (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323141980.0U CN221155398U (en) | 2023-11-21 | 2023-11-21 | Falling film evaporator for styrene rectification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323141980.0U CN221155398U (en) | 2023-11-21 | 2023-11-21 | Falling film evaporator for styrene rectification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221155398U true CN221155398U (en) | 2024-06-18 |
Family
ID=91533012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323141980.0U Active CN221155398U (en) | 2023-11-21 | 2023-11-21 | Falling film evaporator for styrene rectification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221155398U (en) |
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2023
- 2023-11-21 CN CN202323141980.0U patent/CN221155398U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |