CN207418688U - A kind of combined type deodorizing tower - Google Patents

Abstract

The utility model is related to a kind of combined type deodorizing towers, and including columned deodorizing tower cylinder, the top of deodorizing tower cylinder is connected with slips out object trapping tower with what deodorizing tower cylinder connected, and the top for slipping out object trapping tower is equipped with trapping tower vacuum orifice；The inner cavity top of deodorizing tower cylinder is equipped with oily heating bath, oily heating bath and deodorizing tower cylinder coaxial line and between the inner wall of deodorizing tower cylinder be equipped with gas channel, the lower section of oily heating bath is equipped with plate tower stripping section, plate tower stripping section includes multi-layer board tower section tray apparatus, each plate tower section tray apparatus includes the tower tray of partition cylinder cross section and upward opening respectively, the oil level kept certain height in each tower tray and is equipped with multiple airlift pumps；The lower section of plate tower stripping section is equipped with filler stripping section, and the deodorization filling material of filler stripping section is flush-mounted in the bottom centre of plate tower stripping section；The lower section of deodorization filling material is equipped with multiple filling layers section tray apparatus.The vacuum degree of the combined type deodorizing tower is high, and Srteam Stripping effect is good, and steam mono-consumption is low, and grease hydrolysis loss is few.

Description

A kind of combined type deodorizing tower

Technical field

The utility model is related to a kind of combined type deodorizing towers, available for operation is deodorized in vegetable oil refining, belong to vegetable oil Refine complete set of equipments technical field.

Background technology

, it is necessary to become deodorization product oil by deodorization procedures, deodorization procedures are usually in deodorizing tower during vegetable oil refining Middle completion, for being volatilized or being evaporated removing by the stink substance in vegetable oil.

Vegetable oil deodorized is a high temperature, high vacuum wet distillation process, not only to remove free fatty in grease And the stink substances such as aldehyde, ketone, unsaturated hydrocarbon carbon compound, moreover it is possible to remove peroxide, oil plant grows, transports, it is improper to store It goes mouldy the decomposition product of generation, small molecule cycloaromatics, pesticide residue, while pyroprocess destroys partial pigment, its decomposition is allowed to go It removes.Therefore grease deodorization is to remove stink, improve smoke point, improve flavor, promote the most key step of edible oil quality.

Existing deodorizing system is mostly packed tower, plate tower combined column pattern, and top is packed tower, and lower part is plate tower, and plate tower is each When the stripped vapor and stripping distillation of layer flow through top packing layer after collecting, generating vapour locking causes plate tower section vacuum to be deteriorated, no Polymerisation easily occurs simultaneously for the removing beneficial to low component stink substance in oil, influences Vegetable Oil Quality.Deodorizing system at present More than limitation result in deodorization Srteam Stripping effect it is bad, therefore use long-time high-temperature residence with reach utmostly remove stink object The purpose of matter, but the increase of content of trans fatty acids is brought, trans-fatty acid has health very big endanger, increasingly Paid attention to by people.On the other hand while removing stink substance, the beneficiating ingredient VE in vegetable oil is also with deodorization distillation one Same to be carried over, follow-up deodorization distillate capturing device, that is, aliphatic acid trap, which fails effectively individually to recycle VE, is integrated profit With.In addition existing deodorizing system is packed tower, the single integrated mode of plate column, and vegetable oil was entirely deodorized by setting process completion Journey, for the characteristic of different oil plants, adaptability and the big heavy discount of modulability in production, reach identical finished product oil index input into This increase.

Utility model content

The purpose of this utility model is that overcoming problems of the prior art, a kind of combined type deodorizing tower is provided, it is whole Body vacuum degree is high, and Srteam Stripping effect is good, and grease hydrolysis loss is few.

For solution more than technical problem, a kind of combined type deodorizing tower of the utility model, including columned deodorization tower Body, the top of the deodorizing tower cylinder is connected with slips out object trapping tower with what deodorizing tower cylinder connected, and the object that slips out traps The top of tower is equipped with trapping tower vacuum orifice；The inner cavity top of the deodorizing tower cylinder is equipped with oily heating bath, the oil heating bath Gas channel is equipped with deodorizing tower cylinder coaxial line and between the inner wall of deodorizing tower cylinder, the lower section of the oil heating bath is equipped with Plate tower stripping section, the plate tower stripping section include multi-layer board tower section tray apparatus, and the lower section of the plate tower stripping section is equipped with filler Stripping section, the deodorization filling material of the filler stripping section are flush-mounted in the bottom centre of the plate tower stripping section.

Compared with the prior art, the utility model achieves following advantageous effect：Vegetable oil heats supreme through oily heating bath Temperature, two sections of multistage air lifts through plate tower stripping section and filler stripping section, removes free fatty and aldehyde, ketone, unsaturation in grease The stink substances such as hydrocarbon carbon compound, moreover it is possible to remove peroxide, petroleum transported, the improper generation of going mouldy of storage decomposition product, Small molecule cycloaromatics, pesticide residue, while pyroprocess can destroy partial pigment, be decomposed removal；The fraction that air lift goes out Object trapping tower is slipped out to trap and export.Deodorizing tower vacuum-pumping tube maintain the in vivo vacuum degree of deodorizing tower cylinder, plate tower stripping section and Filler stripping section realizes double section parallel connection steam extractions, and always under high vacuum environment, stink substance is removed deodorization overall process, is carried The smoke point and stability of high oil product avoid oily small molecular under high temperature and polymerisation occur, influence oil quality.Again due to deodorization Filler is flush-mounted in the bottom centre of plate tower stripping section so that deodorization filling material scatters and disappears in housing region empty calory, and air lift goes out free The distillations such as aliphatic acid will not condense in tower, reach optimal whole Srteam Stripping effect, reduce grease hydrolysis loss.

As the improvement of the utility model, each plate tower section tray apparatus respectively include partition cylinder cross section and upwards Stripping vapor endless tube is distributed in the tower tray of opening, the oil level and tower tray bottom kept certain height in each tower tray respectively, respectively The stripping vapor endless tube is connected with live (open) steam pipe and is uniformly equipped with multiple airlift pumps on stripping vapor endless tube respectively respectively, Outside the oil level line of tower tray where the upper end of each live (open) steam pipe is respectively higher than and the stretching deodorizing tower cylinder, positioned at upper strata Tower tray be respectively equipped with fluid-tight overflow pipe, the upper port of each fluid-tight overflow pipe is less than the oil level line of place tower tray, each described The lower end of fluid-tight overflow pipe is extended to below the oil level line of lower floor's tower tray；Gas-phase space point between each laminate tower section tray apparatus Be not mutually communicated by tower tray central permeable pipe, each tower tray central permeable pipe be located at the underface of the oily heating bath and on End is higher than the oil level line of place tower tray, and lower end is equal with the bottom of corresponding tower tray.High-temperature vegetable oil is flowed into from plate tower section oil inlet pipe In the tower tray of top plate tower section tray apparatus, live (open) steam pipe provides high-temperature steam by stripping vapor endless tube to each airlift pump, During vegetable oil flows on tower tray, each airlift pump carries out air lift removal to the stink substance in vegetable oil；On the tower tray of upper strata Vegetable oil flow into next layer successively from fluid-tight overflow pipe and continue air lift, the fraction of each layer is from tower tray central permeable pipe uplink Into object trapping tower is slipped out, each airlift pump plays optimal Srteam Stripping effect, and the residence time is controllable；Since high-temperature vegetable oil is in each layer tower Residence time on disk is long, and pigment is able to decompose removal, while achieves the effect of decoloration.

As further improvement of the utility model, the filler stripping section includes the filler with deodorizing tower cylinder coaxial line Layer cylinder, the inner cavity of described filler layer cylinder are equipped with the deodorization filling material, and the inner cavity top of described filler layer cylinder is equipped with To the stripping section oil dispenser of the uniform cloth oil of deodorization filling material, the main entrance of the stripping section oil dispenser and the packing section oil inlet The inner termination connection of pipe；Described filler layer cylinder is flush-mounted in the lower central of the plate tower stripping section, bottom two-ply tower section Tray apparatus is looped around the periphery of described filler layer cylinder；The lower section of the deodorization filling material is equipped with multiple filling layers section tray apparatus. High-temperature vegetable oil enters from packing section oil inlet pipe, after the distribution of stripping section oil dispenser, is uniformly sprinkled into deodorization filling material, due to de- The specific surface area of vegetable oil is very big in smelly filler, and the stink substances such as free fatty are able to quick air lift；Again due to packing layer It is rolled in cylinder in plate column so that deodorization filling material scatters and disappears in housing region empty calory, the distillations such as free fatty that air lift goes out Object will not condense in tower, reach optimal whole Srteam Stripping effect, reduce grease hydrolysis loss；Vegetable oil after quick air lift is again Followed by the air lift of lower section multiple filling layers section tray apparatus.Since the gas channel resistance above deodorization filling material is very small, make The top for obtaining filler stripping section is directly sucked by vacuum be subject to tower top, and packing layer is avoided to cause plate tower section mounted on cylinder top Vacuum degree is inadequate.The deodorizing tower it is compact-sized, without excessive gas phase pipeline, distillation can not condense, and subsequently slip out object VE and catch Collect ingredient higher, pumping resistance is low, better vacuum is obtained in system good leak tightness, tower.

As further improvement of the utility model, the two-ply tower section tray apparatus positioned at described filler layer cylinder periphery In upper strata be equipped with auxiliary gas phase channel, it is described auxiliary gas phase channel surrounded by deodorizing tower cylinder with curved baffle, it is described The upper end of curved baffle is higher than the liquid level of this layer, and the lower end of the curved baffle is connected on the tower tray of this layer, and the auxiliary Gas phase channel penetrates through the tower tray of this layer.Since packing layer cylinder is in the tower tray of two layers of plate tower stripping section bottom, embedding Auxiliary gas phase channel is separated out by curved baffle in the upper strata tower tray that two layers of set, it is ensured that one layer of plate tower stripping section bottom The fraction that goes out of tray apparatus air lift be extracted in time, so as to improve whole air lift effect.

As further improvement of the utility model, the stripping vapor endless tube is disposed with twice, twice gas in tower tray It carries and multiple airlift pumps is separately installed on steam loop, annular baffle is equipped between twice stripping vapor endless tube, in the tower tray Radial direction partition plate, the annular baffle and the radial direction partition plate intersection area are equipped between heart permeability cell and the deodorizing tower cylinder Leave overflow gap in one side so that grease is along series flow inside and outside annular baffle；The bottom of the tower tray there also is provided ring Shape steam playpipe, along the annular steam playpipe respectively by multiple spray-holes obliquely.Airlift pump is with stripping vapor ring Two rings are distributed in pipe in tower tray, on the one hand improve the intensity of air lift, on the other hand in each layer tower tray, due to annular baffle and The separation of radial direction partition plate so that vegetable oil first flows through the whole circumference of tower tray inner circumferential, then is flowed at the overflow gap of annular baffle Entering tray circumference and flow through the whole circumference of periphery, such vegetable oil is just first followed by each airlift pump in inner ring, then according to The secondary each airlift pump flowed through on outer shroud；In next layer then first followed by each airlift pump on outer shroud, then followed by inner ring Each airlift pump, so extend flow distance of the vegetable oil on each tower tray so that the air lift intensity of each layer increases substantially. In addition, the spray-hole of annular steam playpipe sprays steam, simultaneously air lift is stirred to vegetable oil.

As further improvement of the utility model, the top for slipping out object trapping tower is equipped with silk screen trap, described The lower section of silk screen trap slips out object capturing device equipped with two-stage, and respectively slip out object capturing device includes fraction distributor respectively, respectively The entrance of the fraction distributor is connected with fraction inlet tube；The trapping tower that is respectively arranged below with of each fraction distributor is filled out Material, the lower central of each trapping tower packing are respectively equipped with gear liquid cover, and each gear liquid cover is respectively arranged below with liquid dish, The periphery of each liquid dish is connected on the inner wall for slipping out object trapping tower, and the center of each liquid dish is set respectively There is the liquid dish central permeable pipe penetrated through upwards, each gear liquid cover is respectively overlay in the upper of the liquid dish central permeable pipe Side；The bottom of each liquid dish is connected to deodorized distillate outlet；Each deodorized distillate outlet respectively with cycling The entrance of pump is connected, and the entrance exported respectively with fraction cooler of the circulating pump is connected, the outlet of the fraction cooler It is connected respectively with the fraction inlet tube of this grade；Deodorized distillate efferent duct is also respectively connected in the outlet of each fraction cooler.Air lift When slipping out object and first flowing through level-one upwards and slip out object capturing device, VE is captured in level-one traps tower packing first, condensed VE is fallen into level-one liquid dish, by primary cycle pumped, after the cooling of level-one fraction cooler, returns to level-one fraction inlet tube In, it distributes backward level-one through level-one fraction distributor and traps tower packing circulated sprinkling, extra VE is exported from VE efferent ducts.Air lift When slipping out object and passing through two level upwards and slip out object capturing device, aliphatic acid is captured in two level traps tower packing, condensed Aliphatic acid is fallen into two level liquid dish, by secondary cycle pumped, after the cooling of two level fraction cooler, is returned to two level fraction and is entered In mouth pipe, distribute backward two level through two level fraction distributor and trap tower packing circulated sprinkling, extra aliphatic acid is defeated from aliphatic acid Outlet pipe exports.The independent recycling of VE and aliphatic acid is so realized, purity is high, convenient for subsequently comprehensively utilizing.

As further improvement of the utility model, the oily heating bath that is radially extended of inner cavity of the oil heating bath every Plate is divided into multiple oil sump heating chambers, is plugged with U-shaped heating tube bundle, each U-shaped heating in each oil sump heating chamber respectively The entrance of tube bank is connected respectively with higher pressure steam inlet manifold, and the outlet of each U-shaped heating tube bundle goes out respectively with high steam Mouth manifold is connected；The entrance of the hyperbaric heating boiler of the higher pressure steam outlet manifold is connected, and the hyperbaric heating boiler goes out Mouth is connected with the higher pressure steam inlet manifold；One end of each oil heating bath partition plate is connected with the cylindrical wall of oily heating bath, another Overflow gap is left between end and cylindrical wall, and the overflow gap of adjacent oily heating bath partition plate is staggered successively makes adjacent oil sump Heating chamber is sequentially connected in series；The bottom of each oil sump heating chamber is separately installed with stirring steam pipe；Along the length of each U-shaped heating tube bundle Degree direction is provided with the vertically extending tube bank partition plate of multiple tracks, and adjacent tube bank partition plate is staggered successively in short transverse.Utilize height Vegetable oil is heated to high temperature by the thermal energy of pressure steam, and in each oil sump heating chamber, vegetable oil is being restrained the separation of partition plate and led Downwards, repeatedly turn back flowing in vertical direction；Then under the separation of oily heating bath partition plate and guiding, adjacent oil sump heating chamber according to Secondary series connection so that vegetable oil is repeatedly turned back flowing again in front-rear direction, so substantially prolong vegetable oil by heating time, make The heat exchange efficiency for obtaining U-shaped heating tube bundle and vegetable oil is high.Simultaneously so that oily heating bath is convenient for modularization, standardization manufacture.

As further improvement of the utility model, the bottom of the oil heating bath and the tower tray is connected to emptying Pipe, each evacuated tube are connected respectively by exhaust-valve with the oil storage space of lower floor tower tray.Open the exhaust-valve of a certain layer, so that it may So that the oil of this layer of tower tray flows directly into next layer, so as to adjust the layer of the tower tray deodorization device actually to come into operation as needed Number.

Description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and detailed description, attached drawing only provides ginseng It examines and illustrates to use, it is non-limiting the utility model.

Fig. 1 is the structure diagram of the utility model combined type deodorizing tower.

Fig. 2 is the cross-sectional view of second layer tray apparatus in Fig. 1.

Fig. 3 is the cross-sectional view of packing layer cylinder periphery upper strata tray apparatus in Fig. 1.

Fig. 4 is the top view of oily heating bath in Fig. 1.

Fig. 5 is the stereogram of U-shaped heating tube bundle in Fig. 1.

Fig. 6 is the work flow diagram of the utility model combined type deodorizing tower.

In figure：1. deodorizing tower cylinder；1a. traps tower vacuum orifice；1b. silk screen traps；1c. fraction inlet tubes；1d. evaporates Divide distributor；1e. traps tower packing；1f. keeps off liquid cover；1g. liquid dish；1h. deodorized distillate outlets；1j. oil heating baths； 1j1. oil heating bath oil inlet pipes；1j2. oil heating bath flowlines；1j3. oil heating bath partition plates；1j4.U shape heating tube bundles；1j5. pipe Beam partition plate；1j6. stirs steam pipe；1m. plate tower stripping sections；1m1. plate tower section oil inlet pipes；1m2. plate tower section flowlines；1m3. tower Disk；1m4. stripping vapor endless tubes；1m5. airlift pump；1m6. tower tray central permeable pipes；1m7. annular baffle；1m8. radial direction partition plates； 1m9. ring-type steam playpipes；1n. filler stripping sections；1n1. packing section oil inlet pipes；1n2. stripping section oil dispensers；1n3. deodorization Filler；1n4. aids in gas phase channel；1n5. curved baffle；1n6. packing section flowlines；1p. fluid-tight overflow pipes；1q. evacuated tubes； 2. hyperbaric heating boiler；3a. level-one fraction coolers；3b. two level fraction coolers；4. pumped vacuum systems；5. air lift is energy saving again Tower；The energy saving tower vacuum orifices of 5a.；The energy saving tower oil inlet pipes of 5b.；The energy saving tower oil dispensers of 5c.；The energy saving tower packings of 5d.；5e. is energy saving Tower heat exchanger；5e1. oil inlets to be deodorized；5e2. oil exports to be deodorized；5f. is deodorized export of finished oil；P1. delivery pump one； P2. delivery pump two；P3. primary cycle pumps；P4. secondary cycle pumps；F1. valve one；F2. valve two；F3. valve three；F4. valve Four；F5. valve five；F6. valve six；G1.VE efferent ducts；G2. aliphatic acid efferent duct；G3. deodorizing tower vacuum-pumping tube；G4. high pressure Steam inlet manifold；G5. higher pressure steam outlet manifold；G6. live (open) steam pipe；G7. energy saving tower vacuum-pumping tube.

Specific embodiment

As shown in Figures 1 to 5, the combined type deodorizing tower of the utility model includes columned deodorizing tower cylinder 1, deodorizing tower The top of cylinder 1 is connected with slips out object trapping tower with what deodorizing tower cylinder connected, and the top for slipping out object trapping tower is equipped with trapping Tower vacuum orifice 1a, trapping tower vacuum orifice 1a are connected by deodorizing tower vacuum-pumping tube G3 with pumped vacuum systems 4；Deodorizing tower cylinder Inner cavity top be equipped with oil heating bath 1j, oily heating bath 1j and deodorizing tower cylinder coaxial line and between the inner wall of deodorizing tower cylinder Equipped with gas channel, the top of oily heating bath 1j is connected with oily heating bath flowline 1j2, and the top of oily heating bath 1j is equipped with oil and adds Hot pond oil inlet pipe 1j1, the end of oily heating bath oil inlet pipe 1j1 are inserted into below the oil level line of oily heating bath 1j；Oily heating bath 1j Lower section be equipped with plate tower stripping section 1m, plate tower stripping section 1m include multi-layer board tower section tray apparatus, positioned at the plate tower section tower of top layer Disk device is connected with plate tower section oil inlet pipe 1m1, and plate tower section flowline 1m2 is connected with positioned at the plate tower section tray apparatus of bottom；Plate The lower section of tower stripping section 1m is equipped with filler stripping section 1n, and the top of filler stripping section 1n is equipped with packing section oil inlet pipe 1n1, deodorizing tower The bottom of cylinder is connected with packing section flowline 1n6.

Vegetable oil is heated to high temperature through oily heating bath 1j, the multistage gas of two sections through plate tower stripping section 1m and filler stripping section 1n Carry, remove the stink substances such as free fatty and aldehyde in grease, ketone, unsaturated hydrocarbon carbon compound, moreover it is possible to remove peroxide, Petroleum transported, the decomposition product of the improper generation of going mouldy of storage, small molecule cycloaromatics, pesticide residue, while pyroprocess can be broken Bad partial pigment is decomposed removal；The fraction that air lift goes out is slipped out object trapping tower and traps and export.Deodorizing tower vacuum-pumping tube G3 The vacuum degree in deodorizing tower cylinder 1 is maintained, plate tower stripping section 1m and filler stripping section 1n realize double section parallel connection steam extractions, be deodorized full mistake Always under high vacuum environment, stink substance is removed journey, improves the smoke point and stability of oil product, is avoided oily under high temperature Polymerisation occurs for small molecular, influences oil quality.

Each plate tower section tray apparatus includes in partition cylinder cross section and the tower tray 1m3, each tower tray 1m3 of upward opening respectively The oil level and tower tray bottom kept certain height be distributed with respectively stripping vapor endless tube 1m4, each stripping vapor endless tube 1m4 respectively with Live (open) steam pipe G6 is connected and is uniformly equipped with multiple airlift pump 1m5, each live (open) steam pipe G6 on stripping vapor endless tube 1m4 respectively Upper end be respectively higher than where tower tray oil level line and stretch out deodorizing tower cylinder outside, the tower tray positioned at upper strata is respectively equipped with fluid-tight and overflows The upper port of flow tube 1p, each fluid-tight overflow pipe 1p are less than the oil level line of place tower tray, and the lower end of each fluid-tight overflow pipe 1p extends to Below the oil level line of lower floor's tower tray；Gas-phase space between each laminate tower section tray apparatus passes through tower tray central permeable pipe respectively 1m6 is mutually communicated, and each tower tray central permeable pipe 1m6 is located at the underface of oily heating bath 1j and upper end and is higher than the oil level of place tower tray Line, lower end are equal with the bottom of corresponding tower tray.

High-temperature vegetable oil is flowed into from plate tower section oil inlet pipe 1m1 in the tower tray of top plate tower section tray apparatus, live (open) steam pipe G6 provides high-temperature steam, during vegetable oil flows on tower tray, each gas by stripping vapor endless tube 1m4 to each airlift pump 1m5 It carries pump 1m5 and air lift removal is carried out to the stink substance in vegetable oil；Vegetable oil on the tower tray of upper strata from fluid-tight overflow pipe 1p successively It flows into next layer and continues air lift, the fraction of each layer is advanced into from tower tray central permeable pipe 1m6 slips out object trapping tower, each gas It carries pump 1m5 and plays optimal Srteam Stripping effect, the residence time is controllable；Since residence time of the high-temperature vegetable oil on each layer tower tray compares Long, pigment is able to decompose removal, while achieves the effect of decoloration.

Filler stripping section 1n includes the packing layer cylinder with deodorizing tower cylinder coaxial line, and the inner cavity of packing layer cylinder is equipped with The stripping section oil dispenser of the oriented uniform cloth oil of deodorization filling material 1n3 is installed on deodorization filling material 1n3, the inner cavity top of packing layer cylinder The main entrance of 1n2, stripping section oil dispenser 1n2 are connected with the inner termination of packing section oil inlet pipe 1n1；Packing layer cylinder is flush-mounted in plate The lower central of tower stripping section 1m, bottom two-ply tower section tray apparatus are looped around the periphery of packing layer cylinder；Deodorization filling material The lower section of 1n3 is equipped with multiple filling layers section tray apparatus.

High-temperature vegetable oil enters from packing section oil inlet pipe 1n1, after stripping section oil dispenser 1n2 distribution, is uniformly sprinkled into de- In smelly filler 1n3, since the specific surface area of vegetable oil in deodorization filling material 1n3 is very big, the stink substances such as free fatty are able to Quick air lift；Again due to being rolled in packing layer cylinder in plate column so that deodorization filling material 1n3 scatters and disappears in housing region empty calory, The distillations such as the free fatty that air lift goes out will not condense in tower, reach optimal whole Srteam Stripping effect, reduce grease hydrolysis Loss；Vegetable oil after quick air lift is again followed by the air lift of lower section multiple filling layers section tray apparatus.Due to deodorization filling material 1n3 The gas channel resistance of top is very small so that the top of filler stripping section 1n is directly sucked by vacuum be subject to tower top, avoids filling out The bed of material causes the vacuum degree of plate tower section inadequate mounted on cylinder top.The deodorizing tower it is compact-sized, without excessive gas phase pipeline, Distillation can not condense, and subsequently slip out object VE trapping ingredient highers, and pumping resistance is low, it is more preferable to be obtained in system good leak tightness, tower Vacuum.

As shown in figure 3, the upper strata in the two-ply tower section tray apparatus of packing layer cylinder periphery is equipped with auxiliary gas phase Passage 1n4, auxiliary gas phase channel 1n4 are surrounded by deodorizing tower cylinder and curved baffle 1n5, and the upper end of curved baffle 1n5 is high In the liquid level of this layer, the lower end of curved baffle 1n5 is connected on the tower tray of this layer, and gas phase channel 1n4 is aided in penetrate through this layer Tower tray.Since packing layer cylinder is in the tower tray of two layers of plate tower stripping section 1m bottoms, in upper strata tower tray two layers nested In auxiliary gas phase channel 1n4 is separated out by curved baffle 1n5, it is ensured that the tower tray dress of one layer of plate tower stripping section 1m bottoms It puts the fraction that air lift goes out to be extracted in time, so as to improve whole air lift effect.

As shown in Fig. 2, stripping vapor endless tube 1m4 is disposed with twice in tower tray, distinguish on twice stripping vapor endless tube 1m4 Multiple airlift pump 1m5 are installed, annular baffle 1m7, tower tray central permeable pipe 1m6 are equipped between twice stripping vapor endless tube 1m4 Radial direction partition plate 1m8, annular baffle 1m7 are equipped between deodorizing tower cylinder and the one side of radial direction partition plate 1m8 intersection areas was left Flow gap so that grease is along series flow inside and outside annular baffle 1m7；The bottom of tower tray there also is provided annular steam playpipe 1m9, along annular steam playpipe 1m9 respectively by multiple spray-holes obliquely.

Two rings are distributed with stripping vapor endless tube 1m4 in airlift pump 1m5 in tower tray, on the one hand improve the intensity of air lift, On the other hand in each layer tower tray, due to the separation of annular baffle 1m7 and radial direction partition plate 1m8 so that vegetable oil is first flowed through in tower tray The whole circumference in week, then flow into tray circumference at the overflow gap of annular baffle 1m7 and flow through the whole circumference of periphery, this Sample vegetable oil is just first followed by each airlift pump in inner ring, then followed by each airlift pump on outer shroud；It is then first in next layer Followed by each airlift pump on outer shroud, then followed by each airlift pump in inner ring, vegetable oil is so extended in each tower tray On flow distance so that the air lift intensity of each layer increases substantially.In addition, the spray-hole of annular steam playpipe 1m9 sprays Steam is stirred vegetable oil simultaneously air lift.

The top for slipping out object trapping tower is equipped with silk screen trap 1b, and the lower section of silk screen trap 1b slips out object equipped with two-stage and catches Acquisition means respectively slip out object the capturing device entrance including fraction distributor 1d, each fraction distributor 1d and fraction inlet tube respectively 1c is connected；Each fraction distributor 1d's is respectively arranged below with trapping tower packing 1e, each lower central difference for trapping tower packing 1e Equipped with gear liquid cover 1f, each gear liquid cover 1f's is respectively arranged below with liquid dish 1g, and the periphery of each liquid dish 1g, which is connected to, to be slipped out On the inner wall of object trapping tower, the center of each liquid dish 1g is respectively equipped with the liquid dish central permeable pipe penetrated through upwards, each to keep off liquid cover 1f is respectively overlay in the top of liquid dish central permeable pipe；The bottom of each liquid dish 1g is connected to deodorized distillate outlet 1h；Each deodorized distillate outlet 1h is connected respectively with the entrance of circulating pump, and the outlet of circulating pump enters respectively with fraction cooler Mouth is connected, and the outlet of fraction cooler is connected respectively with the fraction inlet tube 1c of this grade；Also distinguish the outlet of each fraction cooler It is connected with deodorized distillate efferent duct.

When air lift slips out object and first flows through level-one upwards and slip out object capturing device, VE is caught in level-one traps tower packing first Collection, condensed VE are fallen into level-one liquid dish, by primary cycle pump P3 extractions, after level-one fraction cooler 3a coolings, are returned Into level-one fraction inlet tube, distribute backward level-one through level-one fraction distributor and trap tower packing circulated sprinkling, extra VE from VE efferent ducts G1 is exported.When air lift slips out object and passes through two level upwards and slip out object capturing device, aliphatic acid is filled out in two level trapping tower It is captured in material, condensed aliphatic acid is fallen into two level liquid dish, is extracted out by secondary cycle pump P4, through two level fraction cooler After 3b coolings, return in two level fraction inlet tube, distributing backward two level through two level fraction distributor traps tower packing circulated sprinkling, Extra aliphatic acid is exported from aliphatic acid efferent duct G2.The independent recycling of VE and aliphatic acid is so realized, purity is high, after being convenient for Continuous comprehensive utilization.

As shown in Figure 4, Figure 5, the oily heating bath partition plate 1j3 that the inner cavity of oily heating bath 1j is radially extended is divided into multiple Oil sump heating chamber is plugged with the entrance difference of U-shaped heating tube bundle 1j4, each U-shaped heating tube bundle 1j4 in each oil sump heating chamber respectively It is connected with higher pressure steam inlet manifold G4, the outlet of each U-shaped heating tube bundle 1j4 is connected respectively with higher pressure steam outlet manifold G5； The entrance of the hyperbaric heating boiler 2 of higher pressure steam outlet manifold G5 is connected, the outlet of hyperbaric heating boiler 2 and higher pressure steam inlet Manifold G4 are connected；One end of each oil heating bath partition plate 1j3 is connected with the cylindrical wall of oily heating bath, is stayed between the other end and cylindrical wall There is an overflow gap, and the overflow gap of adjacent oily heating bath partition plate 1j3 is staggered adjacent oil sump heating chamber is made to go here and there successively successively Connection；The bottom of each oil sump heating chamber is separately installed with stirring steam pipe 1j6；It is set along the length direction of each U-shaped heating tube bundle 1j4 There are the tube bank partition plate 1j5 that multiple tracks is vertically extending, adjacent tube bank partition plate 1j5 to be staggered successively in short transverse.

Vegetable oil is heated to high temperature using the thermal energy of high steam, in each oil sump heating chamber, vegetable oil is being restrained Under the separation of partition plate 1j5 and guiding, repeatedly turn back flowing in vertical direction；Then oily heating bath partition plate 1j3 separation and lead Downwards, adjacent oil sump heating chamber is sequentially connected in series so that vegetable oil is repeatedly turned back flowing again in front-rear direction, is so substantially prolonged Vegetable oil by heating time so that the heat exchange efficiency of U-shaped heating tube bundle 1j4 and vegetable oil is high, stirring steam pipe 1j6 release Stirring steam so that the temperature of vegetable oil is more uniform.Simultaneously so that oily heating bath 1j is convenient for modularization, standardization manufacture.

The bottom of oily heating bath 1j and tower tray is connected to evacuated tube 1q, each evacuated tube 1q respectively by exhaust-valve under The oil storage space connection of layer tower tray.Open the exhaust-valve of a certain layer, so that it may so that the oil of this layer of tower tray flows directly into next layer, from And the number of plies of the tower tray deodorization device actually to come into operation is adjusted as needed.

As shown in fig. 6, the top of the energy saving tower 5 of air lift is equipped with energy saving tower vacuum orifice 5a, then the inner cavity of the energy saving tower 5 of air lift again Top is equipped with energy saving tower oil inlet pipe 5b, and the lower section of energy saving tower oil inlet pipe 5b is equipped with energy saving tower oil dispenser 5c, and energy saving tower oil is matched somebody with somebody The lower section of device 5c is equipped with energy saving tower packing 5d, and the lower section of energy saving tower packing 5d is equipped with energy saving tower heat exchanger 5e, and energy saving tower heat is handed over The shell side lower part of parallel operation 5e is equipped with oil inlet 5e1 to be deodorized, and the shell side top of energy saving tower heat exchanger 5e, which is equipped with, treats that deodorised oil goes out Deodorization product tank is connected with below the lower perforated plate of mouth 5e2, energy saving tower heat exchanger 5e, is deodorized the bottom of product tank equipped with de- Smelly export of finished oil 5f.

Deodorizing system end is provided with the energy saving tower 5 of air lift again, is flowed from plate tower section flowline 1m2 or packing section flowline 1n6 The high-temperature vegetable oil gone out, into energy saving tower oil inlet pipe 5b, after the energy saving uniform cloth liquid of tower oil dispenser 5c, into energy saving tower packing 5d carries out air lift again, improves the stability of product oil, improves flavor, promotes quality, then vegetable oil is handed over into energy saving tower heat Parallel operation 5e treats that deodorised oil preheats to fresh, fully recycles heat, and final finished oil is de- from deodorization product tank bottom Smelly export of finished oil 5f discharges.

Oil export 5e2 to be deodorized is connected with the entrance of oily heating bath oil inlet pipe 1j1, the outlet of oily heating bath flowline 1j2 The outlet for being connected in parallel to one F1 of valve and valve two F2, one F1 of valve is connected with plate tower section oil inlet pipe 1m1, and two F2's of valve goes out Mouth is connected with packing section oil inlet pipe 1n1；Plate tower section flowline 1m2 is connected with the entrance of one P1 of delivery pump, and one P1's of delivery pump goes out The outlet that mouth is connected in parallel to three F3 of valve and valve four F4, three F3 of valve is connected with packing section oil inlet pipe 1n1, four F4's of valve Outlet is connected with the entrance of energy saving tower oil inlet pipe 5b；Packing section flowline 1n6 is connected with the entrance of two P2 of delivery pump, delivery pump two The outlet of P2 is connected in parallel to the outlet of five F5 of valve and valve six F6, five F5 of valve and the entrance phase of energy saving tower oil inlet pipe 5b Even, the outlet of six F6 of valve is connected with plate tower section oil inlet pipe 1m1；Energy saving tower vacuum orifice 5a by energy saving tower vacuum-pumping tube G7 with Pumped vacuum systems 4 is connected.

Plant oil circuit footpath flow is flexibly adjustable in deodorising process, and for the characteristic of different oil plants, adaptability and modulability are strong； The high vegetable oil of unsaturated fatty acid content, easily hydrolyzes in deodorising process, one F1 of Open valve, three F3 of valve and valve Five F5 of door, close two F2 of valve, six F6 of four F4 of valve and valve, vegetable oil are made to be introduced into plate tower stripping section 1m, pyroprocess Time is long so that pigment decomposes completely, ensures the decolorizing effect of vegetable oil, and utmostly removes stink substance；Then Into filler stripping section 1n so that the hydrolysis substance that plate tower stripping section 1m is generated is able to quick air lift, ensures that whole decoloration takes off Smelly effect.For the high high valent acid vegetable oil of free fatty acid content, then six F6 of two F2 of Open valve, four F4 of valve and valve, One F1 of valve, five F5 of three F3 of valve and valve are closed, vegetable oil is made to be introduced into filler stripping section 1n so that free fatty is able to Quick air lift, the steam consumption of specific yield is low, then enters back into plate tower stripping section 1m, ensures the effect of whole decoloration and deodorization.

The foregoing is merely the preferable possible embodiments of the utility model, non-therefore limitation the utility model patent Protection domain.In addition to the implementation, the utility model can also have other embodiment.It is all to use equivalent substitution or equivalent change The technical solution to be formed is changed, is all fallen in the protection domain of the requires of the utility model.Technology of the utility model without description is special Sign can realize that details are not described herein by or using the prior art.

Claims (8)

1. a kind of combined type deodorizing tower, including columned deodorizing tower cylinder, it is characterised in that：The top of the deodorizing tower cylinder It is connected with and slips out object trapping tower with what deodorizing tower cylinder connected, the top for slipping out object trapping tower is equipped with trapping tower and vacuumizes Mouthful；The inner cavity top of the deodorizing tower cylinder is equipped with oily heating bath, and the oil heating bath is with deodorizing tower cylinder coaxial line and with taking off Gas channel is equipped between the inner wall of smelly tower body, the lower section of the oil heating bath is equipped with plate tower stripping section, the plate tower air lift Section includes multi-layer board tower section tray apparatus, and the lower section of the plate tower stripping section is equipped with filler stripping section, the filler stripping section Deodorization filling material is flush-mounted in the bottom centre of the plate tower stripping section.

2. combined type deodorizing tower according to claim 1, it is characterised in that：Each plate tower section tray apparatus includes respectively Separate the tower tray of cylinder cross section and upward opening, the oil level and tower tray bottom kept certain height in each tower tray divide respectively Stripping vapor endless tube is furnished with, each stripping vapor endless tube is connected with live (open) steam pipe and distinguishes on stripping vapor endless tube equal respectively Even to be equipped with multiple airlift pumps, the upper end of each live (open) steam pipe is respectively higher than the oil level line of place tower tray and stretches out described de- Smelly tower is external, and the tower tray positioned at upper strata is respectively equipped with fluid-tight overflow pipe, and the upper port of each fluid-tight overflow pipe is less than place The oil level line of tower tray, the lower end of each fluid-tight overflow pipe are extended to below the oil level line of lower floor's tower tray；Each laminate tower section tower tray Gas-phase space between device is mutually communicated respectively by tower tray central permeable pipe, and each tower tray central permeable pipe is located at described The underface and upper end of oily heating bath are higher than the oil level line of place tower tray, and lower end is equal with the bottom of corresponding tower tray.

3. combined type deodorizing tower according to claim 2, it is characterised in that：The filler stripping section is included with being deodorized tower The packing layer cylinder of body coaxial line, the inner cavity of described filler layer cylinder are equipped with the deodorization filling material, described filler layer cylinder The stripping section oil dispenser of the oriented uniform cloth oil of deodorization filling material is installed on inner cavity top, the main entrance of the stripping section oil dispenser and The inner termination connection of the packing section oil inlet pipe；Described filler layer cylinder is flush-mounted in the lower central of the plate tower stripping section, most Lower two layers plate tower section tray apparatus is looped around the periphery of described filler layer cylinder；The lower section of the deodorization filling material is filled out equipped with multilayer Expect section tray apparatus.

4. combined type deodorizing tower according to claim 3, it is characterised in that：Two layers positioned at described filler layer cylinder periphery Upper strata in plate tower section tray apparatus is equipped with auxiliary gas phase channel, and the auxiliary gas phase channel is by deodorizing tower cylinder and curved baffle It surrounds, the upper end of the curved baffle is higher than the liquid level of this layer, and the lower end of the curved baffle is connected to the tower tray of this layer On, and the auxiliary gas phase channel penetrates through the tower tray of this layer.

5. combined type deodorizing tower according to claim 3, it is characterised in that：The stripping vapor endless tube is arranged in tower tray Have twice, be separately installed with multiple airlift pumps on twice stripping vapor endless tube, be equipped between twice stripping vapor endless tube it is annular every Plate is equipped with radial direction partition plate, the annular baffle and the radial direction between the tower tray central permeable pipe and the deodorizing tower cylinder Leave overflow gap in the one side of partition plate intersection area so that grease is along series flow inside and outside annular baffle；The tower tray Bottom there also is provided annular steam playpipe, along the annular steam playpipe respectively by multiple spray-holes obliquely.

6. combined type deodorizing tower according to claim 1, it is characterised in that：The top for slipping out object trapping tower is equipped with silk Net trap, the lower section of the silk screen trap slip out object capturing device equipped with two-stage, and respectively slip out object capturing device includes respectively Fraction distributor, the entrance of each fraction distributor are connected with fraction inlet tube；The lower section difference of each fraction distributor Equipped with trapping tower packing, the lower central of each trapping tower packing is respectively equipped with gear liquid cover, the lower section point of each gear liquid cover Not She You liquid dish, the periphery of each liquid dish is connected on the inner wall for slipping out object trapping tower, each described to connect liquid The center of disk is respectively equipped with the liquid dish central permeable pipe penetrated through upwards, and each gear liquid cover is respectively overlay in the liquid dish The top of heart permeability cell；The bottom of each liquid dish is connected to deodorized distillate outlet；Each deodorized distillate outlet Pipe is connected respectively with the entrance of circulating pump, and the entrance exported respectively with fraction cooler of the circulating pump is connected, the fraction The outlet of cooler is connected respectively with the fraction inlet tube of this grade；Deodorized distillate is also respectively connected in the outlet of each fraction cooler Efferent duct.

7. combined type deodorizing tower according to claim 1, it is characterised in that：Radially prolonged the inner cavity of the oil heating bath The oily heating bath partition plate stretched is divided into multiple oil sump heating chambers, and U-shaped heating tube bundle is plugged with respectively in each oil sump heating chamber, The entrance of each U-shaped heating tube bundle is connected respectively with higher pressure steam inlet manifold, the outlet difference of each U-shaped heating tube bundle It is connected with higher pressure steam outlet manifold；The entrance of the hyperbaric heating boiler of the higher pressure steam outlet manifold is connected, the high pressure The outlet of heating boiler is connected with the higher pressure steam inlet manifold；One end of each oil heating bath partition plate and the cylinder of oily heating bath Wall is connected, and overflow gap is left between the other end and cylindrical wall, and the overflow gap of adjacent oily heating bath partition plate is staggeredly set successively Putting is sequentially connected in series adjacent oil sump heating chamber；The bottom of each oil sump heating chamber is separately installed with stirring steam pipe；Along each U-shaped The length direction of heating tube bundle is provided with the vertically extending tube bank partition plate of multiple tracks, and adjacent tube bank partition plate interlocks successively in short transverse It sets.

8. combined type deodorizing tower according to claim 3, it is characterised in that：The bottom of the oil heating bath and the tower tray It is connected to evacuated tube, each evacuated tube is connected respectively by exhaust-valve with the oil storage space of lower floor tower tray.