CN206721164U - A kind of logical nitrogen device for nitrogen deodorizing tower - Google Patents
A kind of logical nitrogen device for nitrogen deodorizing tower Download PDFInfo
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- CN206721164U CN206721164U CN201720431206.9U CN201720431206U CN206721164U CN 206721164 U CN206721164 U CN 206721164U CN 201720431206 U CN201720431206 U CN 201720431206U CN 206721164 U CN206721164 U CN 206721164U
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- logical nitrogen
- deodorization
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Abstract
The utility model discloses a kind of logical nitrogen device for nitrogen deodorizing tower, it includes the concentric ring pipe of multiple radially spaced settings, the ring pipe for being arranged at outermost is communicated with a logical nitrogen supervisor, connected between two ring pipes by the logical auxiliary pipe of nitrogen, multiple gas outlets are arranged at intervals with each ring pipe.The utility model has the advantages of to grease good deodorization effect.
Description
Technical field
Deodorizing tower field is the utility model is related to, more specifically, it relates to which a kind of logical nitrogen for nitrogen deodorizing tower fills
Put.
Background technology
In oil and fat refining process, deodorization is very important process and operating unit, is the stripping by means of water vapour
Effect, the one kind for being removed from the oil the volatile materials such as the odoring substance in oil and free fatty under high temperature, high vacuum
Processing method.Deodorizing tower is the core of whole grease deodorization process, in actual production using it is most common be plate column and to fill out
Expect tower.
The construction features of packed tower are that the metal perforated plate ripple calendering structured packing of certain volume is accumulated in deodorizing tower, this
A little metal packings have big surface area (250~750m because of it2/m3) so as to increasing vapour, oily contact area, the oil film of formation
Compare relatively thin, distillation load is light, and required steam consumption is less during use, only common tray column steam consumption
30% or so, the 0.8%~1.3% of about oily weight.The primary efficacy of the tower is physical deacidification, and deodorising effect shows not as plate column
Write.Because oil film is thin, residence time of material is shorter, and heat decoloring effect is also not so good as tray column, and because it is to feedstock oil
Degumming requires high, correspondingly increases depickling cost, advantage unobvious during for processing low acid number oils.Another of packed tower lacks
Point is due to that grease is needed in deodorising process by high temperature and vacuum distillation, and aliphatic acid and triglycerides in gaseous state etc. are easily
It is attached on stainless steel helices ring, easily causes filler blocking.
Tray column is simple in construction, workable.After oil enters tray column, live (open) steam passes through every layer of column plate
The nozzle of bottom sprays, and steam distillation is carried out under high vacuum state, while malodor components are removed, due to every layer of column plate
Uniqueness lattice structure, form the passive delay of grease, extend residence time of the grease in deodorizing tower so that in grease
Thermal sensitivity pigment thoroughly decomposes, so as to play good heat decoloring effect.Moreover, tray column fault rate is low, simple in construction,
The clean and maintenance time is short, is easy to carry out while other equipment is overhauled, and can reduce to greatest extent because overhaul of the equipments is to production
The influence being carried out continuously, Homes Using TV is effectively improved, reduce production cost.But tray column stripped vapor dosage is big, relatively
In packed type deodorization column, tray column often refines 1 ton of oil will consume 70~90kg steam more；The tower is relative to other structures
Deodorizing tower, be unable to flexible modulation in the control of deodorization time.Prolonged deodorization is detained, and easily causes grease in deodorizing tower
Endoperoxides value raises and color and luster is deepened, and causes the increase of content of trans fatty acids in deodorised oil.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind can be carried out using nitrogen to grease
Deodorization and the logical nitrogen device of good deodorization effect.
The utility model can be by taking following technical scheme to be achieved：
A kind of logical nitrogen device for nitrogen deodorizing tower, it includes the concentric ring pipe of multiple radially spaced settings,
The ring pipe for being arranged at outermost is communicated with a logical nitrogen supervisor, is connected between two ring pipes by the logical auxiliary pipe of nitrogen, each annular
Multiple gas outlets are arranged at intervals with pipe.
Preferably, the logical nitrogen supervisor overlaps with leading to the longitudinal center line of the auxiliary pipe of nitrogen.
Preferably, the inner surface of pipeline of the logical nitrogen supervisor is hinged with a diaphragm seal, the profile of the diaphragm seal and logical nitrogen master
The inner surface of pipe matches, and the diaphragm seal can seal the pipeline of nitrogen supervisor by the Action of Gravity Field of its free end to lower swing,
And spacing ring or limited block for preventing diaphragm seal from blowing to nitrogen the side oscillation of diaphragm seal one are provided with pipeline.
Compared with prior art, the beneficial effects of the utility model are：Multiple ring pipes are provided with logical nitrogen device, are made
Nitrogen can be evenly distributed in deodorization chamber, improve the homogeneity of deodorising effect.The auxiliary pipe of nitrogen is responsible for and leads to by logical nitrogen to set
Be set to longitudinal center line coincidence so that nitrogen rush at be arranged in ring pipe pressure drop it is smaller, each ring has been effectively ensured
The nitrogen pressure difference sprayed on shape pipe is smaller.Diaphragm seal is provided with logical nitrogen supervisor so that when not logical nitrogen, is hindered
The grease flowed into through gas outlet in logical nitrogen supervisor further flows out.
Brief description of the drawings
Fig. 1 is a kind of structural representation of nitrogen deodorizing tower for grease post processing of the present utility model；
Fig. 2 is the structural representation of Section A-A in Fig. 1；
Fig. 3 is the structural representation for leading to nitrogen device in Fig. 1.
Description of reference numerals：
10- tower bodies, 20- oil inlet pipes, 30- flowlines, 40- vacuum tubes, the fuel-displaced chambers of 50-, 60- deodorization chambers, 61- overflows
Pipe, 62- hollow tubes, 63- edible vegetable oil mouths, 64- control valves, 65- edible vegetable oil pipes, 70- lead to nitrogen device, and 71-, which leads to nitrogen, to be responsible for, 72- ring pipes,
73- gas outlets, 74- lead to the auxiliary pipe of nitrogen, 80- temp probes, 90- source nitrogens.
Embodiment
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.
It should be noted that when element is referred to as " connecting " another element, it can be directly to another yuan
Part may be simultaneously present centering elements；Term used in this specification " fixation ", " connection ", "front", "rear", " left side ",
" right side ", " top ", " bottom " and similar statement are for illustrative purposes only；Term "and/or" includes used in this specification
The arbitrary and all combination of one or more related Listed Items.
As Figure 1-3, a kind of nitrogen deodorizing tower for grease post processing, it includes tower body 10, and tower body 10 includes one
Multilayer chamber, oil inlet pipe 20, flowline 30 and vacuum tube 40；Multilayer chamber include positioned at the bottom of tower body 10 fuel-displaced chamber 50,
And some deodorization chambers 60 of the fuel-displaced top of chamber 50 are arranged at, in the present embodiment, deodorization chamber shares 4, vertical
Arrangement is stacked gradually on direction；Oil inlet pipe 20, vacuum tube 40 with the deodorization chamber positioned at top, oil inlet pipe 20 and true
Blank pipe 40 can be located in the cavity wall of the top of tower body 10 or the deodorization chamber of top.Flowline 30 and fuel-displaced chamber 50
Bottom connects；Vacuum tube 40 can external vaccum-pumping equipment.
In each deodorization chamber 60, it is deodorized on the bottom plate of chamber 60 and is provided with overflow pipe 61, hollow tube 62, above bottom plate
It is provided with logical nitrogen device 70.Overflow pipe 61 and hollow tube 62 can be provided with multiple, while its position can be arranged on bottom plate
Optional position, as long as not collided with logical nitrogen device 70.In the present embodiment, the hollow tube 62 for being deodorized chamber 60 is set
In the middle part of bottom plate, and overflow pipe 61 is arranged at the marginal position of bottom plate, and the two is vertically arranged.The open top position of hollow tube 62
The open top higher than overflow pipe 61 is put, the open top position of overflow pipe 61 is higher than the gas outlet of logical nitrogen device 70.
The bottom opening of overflow pipe 61 and hollow tube 62 each leads to the deodorization chamber or fuel-displaced chamber 50 of adjacent lower.Overflow
The effect of pipe 61 be after grease enters deodorization chamber by oil inlet pipe 20, if more than the height of overflow pipe 61, grease along
The open top of overflow pipe 61 flows to next deodorization chamber.The effect of hollow tube 62 is each layer of deodorization after nitrogen is passed through
The nitrogen of chamber can be evacuated equipment by hollow tube 62 and take away.
The overflow pipe open top level side of the overflow pipe bottom opening and next layer of deodorization chamber of last layer deodorization chamber
To partly overlapping or completely not overlapping, the hollow tube of the overflow pipe bottom opening and next layer of deodorization chamber of last layer deodorization chamber
Open top horizontal direction partly overlaps or completely not overlapping, and such can avoids the grease of upper strata deodorization chamber from not staying in
The deodorization chamber of adjacent lower, and it is directly entered other deodorization chamber or fuel-displaced chamber.
It is deodorized on the bottom plate of chamber 60 and is additionally provided with edible vegetable oil mouth 63, passes through between all deodorization chambers and fuel-displaced chamber 50
Edible vegetable oil pipe 65 being connected with the edible vegetable oil mouth, with control valve 64 connects.The purpose for setting edible vegetable oil mouth 63 is to guide not
The grease that lower floor's deodorization chamber can be flowed into by overflow pipe 61 enters lower floor's deodorization chamber or fuel-displaced chamber 50.Because each is clear
Communicated between hydraulic fluid port, therefore by the control of control valve, can enter the grease of the deodorization chamber of a certain layer and specify down
Layer deodorization chamber or fuel-displaced chamber 50, facilitate the control of technique.Preferably, it can be provided with and add above the bottom plate of deodorization chamber
Thermal, pass through the setting of heater so that the grease temperature of each layer of deodorization chamber is different, can be according to being actually needed
It is adjusted.
In the present embodiment, as shown in figure 3, logical nitrogen device 70 includes the concentric ring pipe of two radially spaced settings,
The ring pipe 72 for being arranged at outermost is communicated with a logical nitrogen supervisor 71, is connected between two ring pipes by the logical auxiliary pipe 74 of nitrogen, often
Multiple gas outlets 73 are arranged at intervals with one ring pipe, wherein, the longitudinal center line of nitrogen supervisor 71 and the auxiliary pipe 74 of nitrogen overlaps,
The flow direction of nitrogen is to be responsible for from nitrogen in 71 ring pipes 72 for flowing to outermost, while also leads to be arranged on interior ring pipe, this
The impulse force of sample nitrogen is larger, ensures that the nitrogen pressure of the ring pipe in being arranged on outer ring pipe and being arranged on is more or less the same, leads to
Enter the nitrogen pressure in ring pipe to go out by the gas outlet being disposed thereon.It is a ring pipe that the setting of ring pipe, which is not,
It is socketed in inside the pipeline of another ring pipe.Gas outlet 73 is towards the bottom plate for being deodorized chamber, by going out on logical nitrogen device
Towards the bottom plate of deodorization chamber, the nitrogen of ejection is formed to bottom plate to be impacted gas port, is stirred grease, is played stirring action, improve
Deodorising effect.
In another embodiment, the longitudinal center line of the auxiliary pipe of nitrogen between circulating line is not mutually overlapping with logical nitrogen supervisor
Close, then the flow direction of nitrogen is then the ring pipe for first passing through outermost, then again by the pipeline of ring pipe, along the auxiliary pipe of nitrogen
Lead to the next ring pipe set inside, if being arranged such so that in innermost ring shape pipe nitrogen pressure and outermost nitrogen
Differing pressure is larger, and nitrogen distributing homogeneity is poor.
The inner surface of pipeline of logical nitrogen supervisor 71 is hinged with a diaphragm seal, the profile of the diaphragm seal and the pipeline of logical nitrogen supervisor 71
Inner surface matches, and the diaphragm seal can seal the pipeline of nitrogen supervisor 71 by the Action of Gravity Field of its free end to lower swing, and
The spacing ring or limited block for preventing diaphragm seal from blowing to nitrogen the side oscillation of diaphragm seal one are provided with pipeline.In this way,
After terminating nitrogen blowing, the free end of diaphragm seal is swung under gravity, seals up pipeline, and is limited ring or limited block gear
Firmly, prevent it from swinging further along, so, the grease penetrated into from gas outlet would not be responsible for 71 along logical nitrogen and further flow
Go out.
It is deodorized on the bottom plate or cavity wall of chamber 60 and is provided with temp probe, for detects the temperature of grease.
Following deodorizing technology is set using the nitrogen deodorizing tower：The valve and vacuum system of oil inlet pipe 20 are opened, is closed
The valve of each edible vegetable oil pipe 65 is closed, the pending grease that would be heated to certain temperature squeezes into the deodorization of top by oil inlet pipe 20
In chamber.The valve of source nitrogen 90 is now opened, nitrogen is passed through to the logical nitrogen device of each deodorization chamber using nitrogen distributor
Interior, the logical nitrogen for opening the logical nitrogen device 70 in the deodorization chamber of top is responsible for 71 valve, now, the nitrogen in ring pipe 72
Sprayed by gas outlet 73, and grease is mutually mixed, interacted.When the oil in the deodorization chamber reaches the top of overflow pipe 61
During the height of opening, the pipeline through overflow pipe 61 flows into the deodorization chamber of adjacent lower, while opens lower floor deodorization chamber
Valve on logical nitrogen supervisor, grease and nitrogen in it are mutually mixed, interacted.When the grease in lower floor's deodorization layers reaches
During certain altitude, the deodorization layers of lower floor are flowed into again through overflow pipe, repeat said process.Nitrogen after being interacted with grease mixes
Hollow tube of the gas successively through upper nitrogen deodorization layers, is finally directly discharged through vacuum tube.Oil and fat product after deodorization is through tower body 10
The flowline 30 of bottom is discharged.
Wherein, the effect of edible vegetable oil pipe 65 is as follows：When height oily in 20 discontinuous oil-feed of oil inlet pipe, the deodorization chamber of the superiors
Degree does not reach the height of overflow pipe, when can not enter by overflow pipe in the deodorization chamber of adjacent lower, opens two deodorization chambers
Between edible vegetable oil pipe valve, make the superiors deodorization chamber in be deodorized after intermediate products through edible vegetable oil pipe flow into lower floor deodorization chamber
In be deodorized.Can not be passed through and adjacent lower floor again again by the intermediate products of overflow pipe after lower floor deodorization chamber deodorization
The edible vegetable oil pipe being deodorized between chamber, the deodorization chamber of the lower floor again is flowed to, repeat said process.Oil and fat product after the completion of deodorization
Last layer of deodorization chamber is flowed through, edible vegetable oil pipe is also equipped between the deodorization chamber and fuel-displaced chamber of last layer, it is clear by this
Oil pipe, it is impossible to fuel-displaced chamber is flowed into by the grease of overflow pipe, finally discharged through flowline 30.
The utility model is described above in association with preferred embodiment, but the utility model is not limited to the above and taken off
The embodiment shown, and the various modifications carried out according to essence of the present utility model, equivalent combinations should be covered.
Claims (3)
1. a kind of logical nitrogen device for nitrogen deodorizing tower, it is characterised in that it includes the concentric of multiple radially spaced settings
Ring pipe, the ring pipe for being arranged at outermost is communicated with a logical nitrogen supervisor, connected between two ring pipes by the logical auxiliary pipe of nitrogen,
Multiple gas outlets are arranged at intervals with each ring pipe.
A kind of 2. logical nitrogen device for nitrogen deodorizing tower according to claim 1, it is characterised in that the logical nitrogen supervisor
Overlapped with the longitudinal center line of the auxiliary pipe of logical nitrogen.
A kind of 3. logical nitrogen device for nitrogen deodorizing tower according to claim 1, it is characterised in that the logical nitrogen supervisor
Inner surface of pipeline be hinged with a diaphragm seal, the profile of the diaphragm seal and the inner surface of logical nitrogen supervisor match, and the diaphragm seal can be borrowed
Help the Action of Gravity Field of its free end to lower swing to seal the pipeline of nitrogen supervisor, and be provided with pipeline for preventing sealing
Piece blows to the spacing ring or limited block of the side oscillation of diaphragm seal one to nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431206.9U CN206721164U (en) | 2017-04-21 | 2017-04-21 | A kind of logical nitrogen device for nitrogen deodorizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431206.9U CN206721164U (en) | 2017-04-21 | 2017-04-21 | A kind of logical nitrogen device for nitrogen deodorizing tower |
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| Publication Number | Publication Date |
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| CN206721164U true CN206721164U (en) | 2017-12-08 |
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ID=60506498
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| CN201720431206.9U Active CN206721164U (en) | 2017-04-21 | 2017-04-21 | A kind of logical nitrogen device for nitrogen deodorizing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109486559A (en) * | 2018-11-23 | 2019-03-19 | 东北农业大学 | A kind of method that the saturated vapor deodorization of nitrogen deodorization substitution reduces oil peroxidation value |
-
2017
- 2017-04-21 CN CN201720431206.9U patent/CN206721164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109486559A (en) * | 2018-11-23 | 2019-03-19 | 东北农业大学 | A kind of method that the saturated vapor deodorization of nitrogen deodorization substitution reduces oil peroxidation value |
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