CN208406128U - The double-deck material filling type packed tower - Google Patents
The double-deck material filling type packed tower Download PDFInfo
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- CN208406128U CN208406128U CN201820807051.9U CN201820807051U CN208406128U CN 208406128 U CN208406128 U CN 208406128U CN 201820807051 U CN201820807051 U CN 201820807051U CN 208406128 U CN208406128 U CN 208406128U
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Abstract
The utility model relates to the double-deck material filling type packed towers, including shell, further include the upper layer steam inlet set gradually from top to bottom in shell, upper layer feed pipe, upper layer filler, supernatant liquid collector, steam (vapor) outlet, lower layer's feed pipe, lower layer's filler, lower layer steam inlet, discharge port, further includes the communicating pipe outside the shell for connecting supernatant liquid collector with lower layer feed pipe.The utility model can be using the single column structure of double-deck 6 meters or so the fillers, the pressure drop of two layers of 6 meters of fillers high problem enlarged diameter when avoiding because using adverse current；Comprehensive pressure drop is low, and depickling and distilling effect are better than double-deck and single layer counterflow configuration under same diameter and gas-liquid load.The utility model belongs to packed column technology field.
Description
Technical field
The utility model relates to a kind of packed towers, and in particular to the double-deck material filling type packed tower.
Background technique
Rule material deodorizing tower is widely used during vegetable oil deodorized at present, the vegetable and animals oils depickling of especially high acid value
Tower, using the effect highly significant of packed tower depickling, packed tower is except taking off besides acids, other volatile components are more easily by filler
Tower is removed, and the design application of packed-type deacidification tower mostly uses greatly the basic principle of Chemical Engineering Design to carry out reverse flowing water steaming at present
It is gaseous phase outlet at the top of steam distillation principle, i.e. packed tower, oil is uniform from top into being carried out by liquid distribution trough on filler top
Distribution, fresh water steam or fatty, volatile matter plate tower go out secondary steam as stripped vapor, using the purpose of vapor
It is the partial pressure in order to reduce fatty acid or volatile matter in gas phase, fatty acid in gas phase is made to become unsaturated gas, is convenient for liquid
Fatty acid volatilization in oil, vapor also act as other than the partial pressure of fatty acid and volatile matter in the gas phase in reduction gas phase
To the souring of filler, prevents filler from oiling or other easy coking materials are sticked on filler makes longtime running accumulated plugging occur to fill out
Expect channel.
Because the design principle of packed tower is adverse current phase: gas phase is upward, and liquid phase is downward, so the filler of different size has respectively
From flooding point, the air velocity of control design case generally requires 50-80% flooding point flow velocity, the otherwise air-flow meeting when liquid flooding occurs
Take away liquid, while pressure drop is very high, the distillation of packed tower made to fail, in animal and plant fat refining process substantially according to
The number of theoretical plate and efficiency of corresponding filler carry out control design case, while needing to check the overall presure drop of packing layer in proper range, with
Just fatty acid is easier to volatilize；In view of the comprehensive design factor of liquid distribution trough and filler, the height of general filler is controlled 6
Rice or so.Self filler tower has been all made of above-mentioned basic principle since oil processing industry designs use and is designed and manufactures.
Utility model content
For the technical problems in the prior art, the purpose of this utility model is: it is low to provide a kind of comprehensive pressure drop
The double-deck material filling type packed tower, mainly solve packed tower pressure drop because caused by counter-flow pressure drop high single column deodorization filling material layer height do not surpass generally
The problem of crossing 6 meters, while solving the problems, such as design to use among two packed towers and needing delivery pump and pipeline.
In order to achieve the above object, the utility model adopts the following technical solution:
The double-deck material filling type packed tower, including shell further include that the upper layer steam set gradually from top to bottom in shell enters
Mouth, upper layer feed pipe, upper layer filler, supernatant liquid collector, steam (vapor) outlet, lower layer's feed pipe, lower layer's filler, lower layer's steam enter
Mouthful, discharge port, further include the communicating pipe outside the shell for connecting supernatant liquid collector with lower layer feed pipe.
As a preference, upper layer steam inlet and lower layer steam inlet be respectively arranged with make steam even into steam distribute
Pipe.
Liquid is set uniformly to spray the upper layer distribution on the filler of upper layer as a preference, the lower end of upper layer feed pipe is equipped with
Device；The lower end of lower layer's feed pipe, which is equipped with, makes liquid uniformly spray the underlying distributor on lower layer's filler.
As a preference, between supernatant liquid collector and steam (vapor) outlet, between steam (vapor) outlet and lower layer's feed pipe
Equipped with demister.
As a preference, steam outlet is equipped with flow-stopping plate, flow-stopping plate is mounted on the inside of shell.
As a preference, at supernatant liquid collector equipped with make steam uniformly through gas distributor.
As a preference, the top and bottom side wall of shell is equipped with manhole, the manhole of upper end be located at upper layer filler it
On, the manhole of lower end is located under lower layer's filler.
As a preference, shell is divided into upper section and lower section, upper section is corresponding to be equipped with upper layer filler, and lower section is corresponding to be equipped with lower layer
Filler；Upper section and lower section diameter is equal or upper diameter is less than lower section diameter.
As a preference, the height of upper layer filler and lower layer's filler, which is respectively less than, is equal to 6 meters.
As a preference, lower layer steam inlet connects with the steam (vapor) outlet of plate tower.
Using double sections of packing layer packed towers, gas phase is drawn among shell, and shell upper section top is installed liquid distribution trough, steamed
Upper layer filler is installed at vapour distribution pipe, shell upper section middle part, highly can be within 6 meters according to design, pars infrasegmentalis on shell shell
Liquid header is installed, liquid is drawn outside shell after collecting, is then re-introduced into from outside shell on shell lower housing section lower layer filler
The liquid distribution trough of side, lower layer's packed tower routinely design, and demister are respectively set between upper section and lower section, for going grease removal
Splashing neutral oil in fat acid, is arranged steam (vapor) outlet between two layers of demister；The packed tower feature of this structure design is upper
Section, packed tower upper section is fair current, and different from the adverse current of conventional design, water vapour and fatty acid gas and liquid flow to same side
To in same liquid flow gentle phase load, pressure drop is very low, according to the content of fatty acid to deodorised oil, can be added few
The steam of amount strips the fatty acid of fair current, and because pressure drop is less than conventional design, fatty acid is easier to volatilize；Packing layer is not high
When can also be equivalent to the film-form that grease is formed in filler surface with obstructed water vapour, fatty acid is dodged under vacuum conditions
Hair；Packed tower lower section structure identical as conventional design.It overcomes because the depickling of packed tower single column is because of originals such as pressure drops and distributor designs
Because of scarce capacity, and increasing pump conveying, pipeline, liquid level and control etc. when double tower depickling must be taken into consideration, change simultaneously traditional stripping
Tower removes the fatty acid problem bad because of the too high deacidification effect of single layer filler pressure drop.
Generally speaking, the utility model has the advantages that
(1) can be using the single column structure of double-deck 6 meters or so the fillers, the pressure of two layers of 6 meters of fillers when avoiding because using adverse current
High problem enlarged diameter drops.
(2) comprehensive pressure drop is low, and depickling and distilling effect are better than double-deck and single layer adverse current under same diameter and gas-liquid load
Structure.
(3) compared with the double-deck counterflow configuration, in the case where identical deacidification effect, the utility model diameter of the housing is small, system
It is low to make expense.
(4) upper layer distributor uses conventional structure form, and the liquid of distribution is small by airflow influence, and distribution is more easily uniform,
The pressure drop of upper layer distributor does not influence distillation and stripping, and underlying distributor is identical with conventional structure packed tower, lower layer's distribution
Device is because of adverse current so the pressure drop needs design consideration of distributor, avoids influencing deacidification effect.
(5) structure is simple, and practicability is good, and same distillation is low with the tower manufacturing expense of Srteam Stripping effect.
(6) to high acid value deacidification system, it is possible to reduce configuration, investment reduction expense.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 is shell, and 2 be upper layer steam inlet, and 3 be upper layer feed pipe, and 4 be upper layer filler, and 5 receive for supernatant liquid
Storage and gas distributor, 6 be steam (vapor) outlet, and 7 be lower layer's feed pipe, and 8 be lower layer's filler, and 9 be lower layer steam inlet, and 10 is out
Material mouth, 11 be communicating pipe, and 12 be steam-distributing pipe, and 13 be upper layer distributor, and 14 be underlying distributor, and 15 be demister, and 16 are
Flow-stopping plate, 17 be manhole.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
The double-deck material filling type packed tower, gas phase are drawn among shell, and shell upper section top is installed liquid upper layer distributor, steamed
Upper layer filler is installed at vapour distribution pipe, shell upper section middle part, highly can be within 6 meters according to design, and pars infrasegmentalis is installed on shell
Supernatant liquid collector, liquid are drawn outside shell after collecting, are then re-introduced into from outside shell above lower layer's filler of lower housing section
Underlying distributor, upper section bottom installs demister, and the lower section of packed tower routinely designs, set respectively between upper section and lower section
Demister is set, steam (vapor) outlet is set between two layers of demister.The lower section of packed tower: demister is installed on top, under then installing
Lower layer's filler is installed in layer distributor, underlying distributor lower part.Lower section bottom is liquid collecting container.
The double-deck material filling type packed tower can take the structure type that upper diameter is small, lower section is big, can also take same diameter
Structure type.
The double-deck material filling type packed tower only leans on inverse using upper section fair current, the depickling mode of lower section adverse current, the traditional extracting tower of change
The form of depickling is flowed, realizes that upper section pressure drop is low, in zone of reasonableness, single column overcomes because single layer filler pressure drop height cannot be adopted for lower section pressure drop
With the filler problem of higher.
The steam (vapor) outlet of the double-deck material filling type packed tower can connect traditional plate tower, using the secondary steam of plate tower to filler
The lower section of tower is stripped, and upper section is using live steam or steam is not added.The double-deck material filling type packed tower can also individually do soft tower
It uses.
The double-deck material filling type packed tower is used for rice bran oil depickling, in order to compare pressure drop and deacidification effect, the double section fillers of single column
Two feed inlets are arranged in feed entrance point, and one, upper layer feed inlet, one feed inlet of lower layer, middle vacuum mouth, structure is according to bilayer
Material filling type filler tower configuration.Upper layer filler, lower layer's filler height be 6.09 meters, 400 millimeters of diameter.
(1) by rice bran oil FFA=3.0%, the flow 1000kg/h of decoloration, after exchanging heat with deodorised oil, using
High temperature heater (HTH) is heated to 250 DEG C, feeds from underlying distributor, is 2.5mbar into tower middle vacuum absolute pressure, and packed tower carries out
Depickling, extracting tower diameter 400mm, 6.09 meters of packed height, filler specification Mellapack250Y, direct steam 10kg/h；Depickling
The oil that tower goes out: FFA=0.9%, tower low-pressure 6.6mbar.
(2) decoloration the rice bran oil FFA=3.0%, flow 1000kg/h of the same terms, after exchanging heat with deodorised oil, then
250 DEG C, tower intermediate vacuum pressure 2.5mbar are heated to by high temperature heater (HTH), feed entrance point is changed to from top feed, and top is steamed
Vapour is passed through 1.0kg/h；Tower bottom is passed through steam 7kg water vapour, and filler specifications and models are constant, the oily FFA=0.15% gone out from bottom,
Tower bottom pressure=4.5mbar, tower top pressure=2.8mbar.
Above-described embodiment is the preferable embodiment of utility model, but the embodiments of the present invention is not by above-mentioned reality
Apply the limitation of example, it is made under other any spiritual essence and principles without departing from the utility model change, modification, substitution,
Combination simplifies, and should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. the double-deck material filling type packed tower, including shell, it is characterised in that: further include set gradually from top to bottom in shell it is upper
Layer steam inlet, upper layer feed pipe, upper layer filler, supernatant liquid collector, steam (vapor) outlet, lower layer's feed pipe, lower layer's filler, under
Layer steam inlet, discharge port further include the communicating pipe outside the shell for connecting supernatant liquid collector with lower layer feed pipe.
2. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: upper layer steam inlet and lower layer's steam enter
Mouth be respectively arranged with make steam even into steam-distributing pipe.
3. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: the lower end of upper layer feed pipe, which is equipped with, makes liquid
Body uniformly sprays the upper layer distributor on the filler of upper layer；The lower end of lower layer's feed pipe is filled out in lower layer equipped with spraying liquid uniformly
Underlying distributor on material.
4. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: supernatant liquid collector and steam (vapor) outlet
Between, between steam (vapor) outlet and lower layer's feed pipe be respectively arranged with demister.
5. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: steam outlet is equipped with flow-stopping plate, gear
Flowing plate is mounted on the inside of shell.
6. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: being equipped at supernatant liquid collector makes to steam
Vapour uniformly through gas distributor.
7. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: the top and bottom side wall of shell is all provided with
There is manhole, the manhole of upper end is located on the filler of upper layer, and the manhole of lower end is located under lower layer's filler.
8. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: shell is divided into upper section and lower section, upper section
Corresponding that upper layer filler is housed, lower section is corresponding to be equipped with lower layer's filler；Upper section and lower section diameter is equal or upper diameter to be less than lower section straight
Diameter.
9. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: the height of upper layer filler and lower layer's filler
Respectively less than it is equal to 6 meters.
10. bilayer material filling type packed tower described in accordance with the claim 1, it is characterised in that: the steaming of lower layer steam inlet and plate tower
Vapor outlet connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807051.9U CN208406128U (en) | 2018-05-28 | 2018-05-28 | The double-deck material filling type packed tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807051.9U CN208406128U (en) | 2018-05-28 | 2018-05-28 | The double-deck material filling type packed tower |
Publications (1)
| Publication Number | Publication Date |
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| CN208406128U true CN208406128U (en) | 2019-01-22 |
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ID=65113349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201820807051.9U Active CN208406128U (en) | 2018-05-28 | 2018-05-28 | The double-deck material filling type packed tower |
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| CN (1) | CN208406128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467919A (en) * | 2020-05-10 | 2020-07-31 | 南京林业大学 | Wet-type industrial exhaust purification device |
| CN114414301A (en) * | 2021-11-26 | 2022-04-29 | 国家能源集团新能源技术研究院有限公司 | Tower liquid sampling device and packed tower |
| CN114634468A (en) * | 2022-04-02 | 2022-06-17 | 浙江嘉澳环保科技股份有限公司 | Deacidification process of epoxidized fatty acid methyl ester |
-
2018
- 2018-05-28 CN CN201820807051.9U patent/CN208406128U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467919A (en) * | 2020-05-10 | 2020-07-31 | 南京林业大学 | Wet-type industrial exhaust purification device |
| CN114414301A (en) * | 2021-11-26 | 2022-04-29 | 国家能源集团新能源技术研究院有限公司 | Tower liquid sampling device and packed tower |
| CN114634468A (en) * | 2022-04-02 | 2022-06-17 | 浙江嘉澳环保科技股份有限公司 | Deacidification process of epoxidized fatty acid methyl ester |
| CN114634468B (en) * | 2022-04-02 | 2024-06-04 | 浙江嘉澳环保科技股份有限公司 | Epoxy fatty acid methyl ester deacidification process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Jianli Inventor after: Chen Qingming Inventor after: Cheng Yulong Inventor before: Chen Qingming Inventor before: Cheng Yulong Inventor before: Zhang Jianli |
|
| CB03 | Change of inventor or designer information | ||
| CP02 | Change in the address of a patent holder |
Address after: 510663 room 905, 112 science Avenue, Huangpu District, Guangzhou City, Guangdong Province (office only) Patentee after: INTERSONIKON-CM BERNARDINI ENGINEERING EQUIPMENT (GUANGZHOU) Co.,Ltd. Address before: Room 905, building A1, Greenland Central Plaza, 112 science Avenue, Science City, Guangzhou high tech Industrial Development Zone, Guangdong 510700 Patentee before: INTERSONIKON-CM BERNARDINI ENGINEERING EQUIPMENT (GUANGZHOU) Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |