CN210065700U - Production facility of continuous type negative pressure wind drenches low temperature and squeezes vegetable oil - Google Patents
Production facility of continuous type negative pressure wind drenches low temperature and squeezes vegetable oil Download PDFInfo
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- CN210065700U CN210065700U CN201920381054.5U CN201920381054U CN210065700U CN 210065700 U CN210065700 U CN 210065700U CN 201920381054 U CN201920381054 U CN 201920381054U CN 210065700 U CN210065700 U CN 210065700U
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Abstract
The utility model discloses a continuous type negative pressure wind drenches production facility of low temperature squeeze vegetable oil mainly by a squeezer, the secondary squeezer is equipped with the feeder hopper respectively, presses the ring assembly, presses the ring, presses spiral shell assembly support, presses the spiral shell assembly, and wind drenches the distributor, low temperature air intake, the dregs separator, the valve is derived to the crude oil, the crude oil filter, the crude oil recipient jar, the negative pressure buffer tank, the negative pressure pump is constituteed. The utility model discloses the structure is smooth, continuous operation, and intelligent operation, low temperature is high-efficient, can be with squeezing the hall temperature and falling to below 60 ℃, the negative pressure degree is between-0.02 to-0.07 in the system, and the seed dregs of rice oil residual rate is below 7%, realizes that continuous negative pressure wind drenches the production line that the low temperature pressed the vegetable oil.
Description
Technical Field
The utility model relates to a grain and oil mechanical equipment technical field especially relates to a production facility of continuous type negative pressure wind drenches low temperature press vegetable oil.
Background
At present, the domestic low-temperature squeezing of vegetable oil mainly comprises hydraulic squeezing and spiral squeezing. The hydraulic pressing is to squeeze a container filled with oil under normal temperature by using the pressure generated by a hydraulic system to extract grease. The method has the greatest advantage of normal-temperature operation, but the residual oil rate of the cake is too high, and the industrialization is difficult to realize in the clearance operation. The screw press (also called physical press, mechanical press) is widely used in China at present, and is formed by rotating a pressing screw in a pressing chamber (pressing ring or pressing strip) through power transmission, so that the pressing screw with gradually increased diameter pushes oil to rub and press to extract grease. The general screw oil press comprises hot pressing and cold pressing, wherein the hot pressing is to fry oil to 110-. The cold pressing is that the oil and the oil press do not need to be preheated and heated in advance, the oil can directly enter the oil press to extract oil, because the oil press is not provided with a cooling system, the oil enters the pressing chamber and is collided, rubbed and extruded with the pressing screw and the pressing ring to generate heat, so that the temperature of the pressing chamber is over 80 ℃, the prior art firstly puffs or softens the oil in advance, the heat generated by collision and friction can be reduced, but the temperature of the pressing chamber can only rise and can not fall because of no cooling facility, and the temperature is not lower than 60 ℃.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a continuous type negative pressure wind drenches production facility of low temperature press vegetable oil to solve the problem that above-mentioned prior art exists, the structure is smooth, and intelligent operation, continuous secondary low temperature squeezes, can will squeeze the hall temperature and fall to below 60 ℃, and the crude oil temperature is no longer than 60 ℃ promptly, and the negative pressure degree is between-0.02 to-0.07 in the system, and the cake residual oil rate is below 7%, realizes that continuous negative pressure wind drenches low temperature screw press vegetable oil production.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a production device for continuous negative pressure air-showering low-temperature squeezing vegetable oil, which comprises a primary squeezing system and a secondary squeezing system which are connected in series,
the primary squeezing system comprises a raw material lifter (1), a raw material feed hopper (2), a primary squeezing machine, a first oil residue separator (4) and a first crude oil filter set which are sequentially communicated, an air spray distributor (303) of the primary squeezing machine (3) is communicated with a low-temperature air inlet pipeline (5), an outlet at the lower part of the first oil residue separator (4) is communicated with a lifting feed part of the secondary squeezing system, and the tail end of the first crude oil filter set is connected with a crude oil receiving tank;
the system is squeezed to the second grade with the system structure is the same to the first grade, the system is squeezed to the second grade is including cake dregs of fat lifting machine (14), cake dregs of fat feeder hopper (15), secondary squeezer (16), dregs of fat separator two (17) and crude oil filter group two that communicate in proper order, air shower distributor (1603) and low temperature intake stack (18) of secondary squeezer (16) are linked together, the export of two (17) lower parts of dregs of fat separator also with the promotion feed department that the system was squeezed to the second grade is linked together, the end-to-end connection crude oil receiving tank of crude oil filter group two, the oil outlet pipeline of the crude oil receiving tank of two sets of systems of squeezing is linked together.
Preferably, raw materials lifting machine (1) passes through the pipe connection with raw materials feeder hopper (2), raw materials feeder hopper (2) are equipped with horizontal screw conveyer (201) and vertical screw conveyer (202) that communicate each other, cake dregs of fat feeder hopper (15) with the structure of raw materials feeder hopper (2) is the same.
Preferably, the left side and the right side of the primary presser (3) are respectively provided with a left grid plate support (301) and a right grid plate support (309), the two supports are welded with a squeezing ring assembly (304) with a squeezing ring (307) arranged inside, and the lower parts of the left grid plate support (301) and the right grid plate support (309) are respectively provided with a first oil residue separator (4);
a feed inlet and a three-way connecting support (315) are connected to the outer side of the left grid plate support (301), a sealing ring (314) is embedded in the left side of the feed inlet and the three-way connecting support (315) and is connected with a speed reducing motor (313) through a flange, a pipeline viewing mirror (203) is connected to the upper portion of the feed inlet and the three-way connecting support (315), and the top of the pipeline viewing mirror (203) is connected with the vertical spiral conveyor (202);
the right side of the right grid plate support (309) is connected with a screw assembly (310), a sealed pressing ring and a meal outlet (308) which are adjusted through threads are arranged in the screw assembly (310), the right side of the screw assembly (310) is adjusted through threads, penetrates through the pressing ring (307) and a sealing ring (314) and is clamped with a bearing in the speed reducing motor (313), and the lower part of the screw assembly (310) is provided with a lower-divided cake flow guide channel (312);
a negative pressure gauge (302) is arranged on the left side of the upper part of the primary presser (3), a temperature sensor (305) which is hermetically clamped and penetrates through the machine shell to be closely connected with the pressing ring in a sealing manner is arranged on the right side of the upper part of the primary presser (3), and observation sight glasses and hand holes (306) are arranged in the front and at the back of the machine shell of the primary presser (3);
the primary press (3) and the secondary press (16) are structurally identical.
Preferably, the squeezer assembly (310) and the right grid plate bracket (309) are welded into a whole in a sealing way, and a sealing gasket is arranged between the feed inlet and the three-way connecting bracket (315) and the left grid plate bracket (301) and is connected with the feed inlet and the three-way connecting bracket through a bolt;
the upper part of the squeezing ring assembly (304) is provided with an air shower distributor (303), the air shower distributor (303) is arranged on the upper part of the squeezing ring assembly (304) in parallel and is divided into 2 air shower pipelines through a tee joint and a quick-opening joint, the 2 air shower pipelines are respectively provided with 1-3 air outlet holes in the axial direction, each air outlet hole is provided with 1-100 air outlet holes, the diameter of each air outlet hole is 1-10mm, the distance between each air outlet hole is consistent with the distance between each squeezing ring, and each air outlet hole correspondingly faces an oil outlet groove between each squeezing ring (307).
The diameter of the squeezing ring (307) is 50-500mm, and the number of the squeezing rings is 10-30.
Preferably, a strip-shaped filter cylinder assembly (404) is arranged in the oil residue separator I (4), a spiral extrusion assembly (401) is arranged in the strip-shaped filter cylinder assembly (404), and a tapered oil residue outlet (402), a spiral extrusion bearing support and an oil residue outlet adjusting device (403) are arranged on the right side of the oil residue separator I (4);
the left side of the oil residue separator I (4) is connected with a variable speed motor (407), the lower part of the oil residue separator I (4) is connected with a conical oil receiving groove (406), the lower part of the conical oil residue outlet (402) is provided with a cake oil residue mixing outlet (405), the cake oil residue mixing outlet (405) is connected with a lower feed inlet of the cake oil residue hoisting machine (14), and an upper outlet of the cake oil residue hoisting machine (14) is connected with the cake oil residue feed hopper (15) through a pipeline;
a left grid plate bracket (301) and a right grid plate bracket (309) of the primary presser (3) are welded with a lower tapered oil receiving groove (406) and a first oil residue separator (4) to form a fully-closed shell;
the first oil residue separator (4) and the second oil residue separator (17) have the same structure.
Preferably, the lower part of the conical oil receiving groove (406) is communicated with two crude oil filters which work alternately in the first crude oil filter group through a tee joint and a crude oil lead-out valve, and the tail ends of the two crude oil filters are connected with a crude oil receiving tank; a negative pressure gauge is arranged on the left side of the upper part of the crude oil receiving tank, a negative pressure emptying valve and a negative pressure valve which are connected with a negative pressure buffer tank (12) are connected on the right side, and a sewage discharge valve, an oil outlet valve and an oil outlet pipeline are connected on the lower part through pipelines; the coarse oil filters are all provided with filter screens, and the diameters of the filter screens are all set to be 10-120 meshes; and the structure of the first crude oil filter group is the same as that of the second crude oil filter group.
Preferably, the middle of the upper part of the negative pressure buffer tank (12) is provided with a check valve (1202) through a pipeline to be connected with a negative pressure pump (13), the lower part of the negative pressure buffer tank (12) is connected with a sewage discharge valve (1201) through a pipeline, and the left side of the upper part of the negative pressure buffer tank (12) is provided with a negative pressure meter (1203).
Preferably, the low-temperature air inlet pipeline (5) and the low-temperature air inlet pipeline (18) are both coil pipes or tube arrays, air cooling type or water cooling type is adopted, and the air inlet temperature is 10-20 ℃.
The utility model discloses for prior art gain following technological effect:
1. a fully-closed negative pressure system, wherein the negative pressure degree is between-0.02 and-0.07;
2. the oil residue in the oil outlet groove between every two squeezing rings can be washed away by negative pressure air showering, heat exchange can be formed, the temperature of the squeezing rings is reduced, the cooling effect is realized, the temperature of a squeezing chamber is below 60 ℃, and the temperature of crude oil is not more than 60 ℃;
3. the crude oil is led to enter a filter quickly by negative pressure diversion, and oil residue is filtered out to realize the suction filtration effect;
4. a spiral oil residue separator is arranged to realize the secondary squeezing of all oil residues and improve the oil yield, and the residual oil rate of cake dregs is below 7%;
5. the structure is ordered, and continuous production can be realized;
6. touch-sensitive screen intelligent control, convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the whole production apparatus for continuous negative pressure air showering low temperature pressing vegetable oil;
wherein, 1, a raw material hoister; 2, a raw material feed hopper; 201 a horizontal screw conveyor; 202 vertical screw conveyor; 203 pipeline sight glass; 3, a primary squeezer; 301 left grid plate bracket; 302 negative pressure gauge; 303 air shower distributor; 304 a squeezing ring assembly; 305 a temperature sensor; 306 viewing mirror and hand hole; 307 squeezing rings; 308 a sealed ring pressing ring and a cake outlet; 309 right grid plate support; 310 a shell assembly; 311 a shell press assembly; 312 lower part type dregs guide channel; 313 oil press reducing motor; 314 sealing rings; 315 feed inlet and a three-way connecting bracket; 4, a first oil residue separator; 401 a screw extrusion assembly; 402 a conical oil residue outlet; 403, a bearing support of the spiral extrusion assembly and an oil residue outlet adjusting device; 404 a strip filter cartridge assembly; 405 a cake and oil residue mixing outlet; 406 tapered oil receiving grooves; 407 a reduction motor; 5, a low-temperature air inlet pipeline; 6 a crude oil outlet valve; 7 a crude oil outlet valve; 8, a crude oil filter; 9 a crude oil filter; 10 a crude oil receiving tank; 1001 crude oil receiving tank oil outlet pipeline; 1002, an oil outlet valve of a crude oil receiving tank; 1003 crude oil receiving tank blow-down valve; 1004 negative pressure valve; 1005 negative pressure emptying valve; 1006 negative pressure gauge; 11 a crude oil receiving tank; 1101 a negative pressure valve; 1102 negative pressure meter; 1103 negative pressure relief valve; 1104 crude oil receiving tank oil outlet valve; 1105 the blowdown valve of the crude oil receiving tank; 12, a negative pressure buffer tank; 1201 negative pressure surge tank blowdown valve; 1202 a check valve; 1203 negative pressure meter; 13 a negative pressure pump; 14 raw material hoister; 15 cake dregs feed hopper; 1501 a horizontal screw conveyor; 1502 vertical screw conveyors; 1503 viewing mirror for the pipeline; 16 a secondary press; 1601 a left grid plate bracket; 1602 a negative pressure meter; 1603 air shower distributor; 1604 squeezing ring assembly; 1605 a temperature sensor; 1606 observation mirror and hand hole; 1607 squeezing ring; 1608 sealed press ring and cake outlet; 1609 right grid plate support; 1610 a squeezer assembly; 1611 extracting a snail assembly; 1612 cake flow guide channel; 1613 connecting the feed inlet with a tee joint; 1614 sealing rings; 1615 reducing the speed of the motor; 17, a second oil residue separator; 1701 a reduction motor; 1702 a tapered oil receiving groove; 1703 discharging cake dregs; 1704 a screw extrusion assembly; 1705 a conical oil residue outlet; 1706 the spiral extrusion assembly bearing support and the oil residue outlet adjusting device; 1707 a strip cartridge assembly; 1708 squeezing the oil residue for the second time; 18, a low-temperature air inlet pipeline; 19 a crude oil outlet valve; 20 a crude oil outlet valve; 21 a crude oil filter; 22 a crude oil filter; 23 a crude oil receiving tank; 2301 a negative pressure valve; 2302 negative pressure gauge; 2303 a negative pressure vent valve; 2304 discharging valve of crude oil receiving tank; 2305 a drain valve of the crude oil receiving tank; 24 a crude oil receiving tank; 2401 crude oil receiving tank oil outlet pipeline; 2402 an oil outlet valve of the crude oil receiving tank; 2403 a sewage valve of the crude oil receiving tank; 2404 a negative pressure valve; 2405 a negative pressure vent valve; 2406 a negative pressure meter; 25, a negative pressure buffer tank; 2501 negative pressure buffer tank blow-down valve; 2502 negative pressure gauge; 2503 a check valve; 26 negative pressure pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a continuous type negative pressure wind drenches production facility of low temperature press vegetable oil to solve the problem that above-mentioned prior art exists, the structure is smooth, and intelligent operation, continuous secondary low temperature squeezes, can will squeeze the hall temperature and fall to below 60 ℃, and the crude oil temperature is no longer than 60 ℃ promptly, and the negative pressure degree is between-0.02 to-0.07 in the system, and the cake residual oil rate is below 7%, realizes that continuous negative pressure wind drenches low temperature screw press vegetable oil production.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic view of a production facility for continuously pressing vegetable oil at low temperature by negative pressure air showering.
As shown in fig. 1, in order to keep the pure natural nutrients, taste and flavor of the vegetable oil unchanged, particularly the high-grade vegetable oil such as peony seed oil, eucommia oil, linseed oil, perilla oil and sunflower oil which are rich in a plurality of unsaturated fatty acids and a-linolenic acid, the temperature is not more than 60 ℃ in the production and extraction process. To achieve a truly low temperature press. The utility model provides a continuous negative pressure air drenches production facility of low temperature pressed vegetable oil.
The continuous negative pressure air-showering low-temperature vegetable oil squeezing production equipment mainly comprises a raw material lifting machine 1, a raw material feeding hopper 2, a primary squeezing machine 3, a first oil residue separator 4, a low-temperature air inlet pipeline 5, a crude oil export valve 6, a crude oil export valve 7, a crude oil filter 8, a crude oil filter 9, a crude oil receiving tank 10, a crude oil receiving tank 11, a negative pressure buffer tank 12, a negative pressure pump 13, a cake oil residue lifting machine 14, a cake oil residue feeding hopper 15, a secondary squeezing machine 16, a second oil residue separator 17, a low-temperature air inlet pipeline 18, a crude oil export valve 19, a crude oil export valve 20, a crude oil filter 21, a crude oil filter 22, a crude oil receiving tank 23, a crude oil receiving tank 24, a negative pressure buffer tank 25 and a negative pressure pump 26.
The raw material hoister 1 is connected with the raw material feed hopper 2 through a pipeline, the raw material feed hopper 2 is provided with a horizontal screw conveyor 201 and a vertical screw conveyor 202, the left side of a primary presser 3 is provided with a left grid plate bracket 301 and the right side thereof is provided with a right grid plate bracket 309, the two grid plate brackets are welded with a squeezing ring assembly 304, a squeezing ring 307 is arranged in the squeezing ring assembly, the upper part of the squeezing ring assembly 304 is provided with an air shower distributor 303, the lower parts of the left grid plate bracket 301 and the right grid plate bracket 309 are provided with a first oil residue separator 4, the first oil residue separator 4 is provided with a strip-shaped filter cylinder assembly 404, the strip-shaped filter cylinder assembly 404 is provided with a screw extrusion assembly 401, the right side of the first oil residue separator 4 is provided with a conical oil residue outlet 402, a screw extrusion bearing bracket and an oil residue outlet adjusting device, the left side of the first oil residue separator 4 is connected with a variable speed, the left side of a left grid plate bracket 301 is connected with a feed inlet and three-way connecting bracket 315, the left side of the feed inlet and three-way connecting bracket 315 is embedded with a sealing ring 314 and is connected with a speed reducing motor 313 through a flange, the upper part of the feed inlet and three-way connecting bracket 315 is connected with a pipeline viewing mirror 203, the upper part of the pipeline viewing mirror 203 is connected with a vertical screw conveyor 202, the left side of the upper part of a primary squeezer 3 is provided with a negative pressure gauge 302, the right side is provided with a temperature sensor 305 which is hermetically clamped and penetrated through a machine shell and is tightly connected with a squeezing ring, the front and the back of the machine shell of the primary squeezer 3 are provided with observation viewing mirrors and hand holes 306, the right side of a right grid plate bracket 309 is connected with a squeezing screw assembly 310, the squeezing screw assembly 310 is internally provided with a sealed squeezing ring and a dreg outlet 308 which are adjusted through screw threads, the right side of the squeezing screw assembly, the right side of the lower part of the first oil residue separator 4 is provided with a cake and oil residue mixing receiving hopper 405, the lower part of the conical oil receiving tank 406 is connected with a crude oil lead-out valve 6 and a crude oil lead-out valve 7 through a tee joint, the crude oil lead-out valve 6 is connected with a crude oil receiving tank 10 through a crude oil filter 8 by a pipeline, the left side of the upper part of the crude oil receiving tank 10 is provided with a negative pressure gauge 1006, the right side is connected with a negative pressure emptying valve 1005 and a negative pressure valve 1004 and is connected with a negative pressure buffer tank 12, the lower part of the crude oil receiving tank 10 is connected with a sewage drain valve 1003, an oil outlet valve 1002 and an oil outlet pipeline 1001 by pipelines, the crude oil lead-out valve 7 is connected with a crude oil filter 9 by a pipeline and is connected with a crude oil receiving tank 11, the right side of the upper part of the crude oil receiving tank 11 is provided with a negative pressure gauge 1102, the left side is connected with a negative, the middle of the upper part of the negative pressure buffer tank 12 is connected with a negative pressure pump 13 through a check valve 1202 by a pipeline, the lower part of the negative pressure buffer tank 12 is connected with a sewage discharge valve 1201 through a pipeline, and the left side of the upper part of the negative pressure buffer tank 12 is provided with a negative pressure meter 1203.
The cake oil residue mixing outlet 405 is connected with the lower feed inlet of a cake oil residue elevator 14, the upper outlet of the cake oil residue elevator 14 is connected with a cake oil residue feed hopper through a pipeline, a raw material feed hopper 15 is provided with a horizontal screw conveyor 1501 and a vertical screw conveyor 1502, the left side of a secondary presser 16 is provided with a left grid plate support 1601 and the right side is provided with a right grid plate support 1609, the left grid plate support 1601 and the right side are welded with a squeezing ring assembly 1604, a squeezing ring 1607 is arranged in the middle, the upper part of the squeezing ring assembly 1604 is provided with an air shower distributor 1603, the lower parts of the left grid plate support 1601 and the right grid plate support 1609 are provided with an oil residue separator II 17, the right side of the oil residue separator II 17 is connected with a variable speed motor 1701, the lower part of the variable speed motor 1701 is provided with a cake outlet 1703, the lower part of the oil residue separator II 17 is connected with a tapered oil receiving groove 1702, the right side of the oil residue separator 17 is provided with, a secondary pressing oil residue outlet 1708 is arranged at the lower part of the conical oil residue outlet 1705, a feed inlet and three-way connecting bracket 1613 is connected at the left side of a left grid plate bracket 1601, a sealing ring 1614 is embedded at the left side of the feed inlet and three-way connecting bracket 1613 and is connected with a speed reducing motor 1615 through a flange, a duct viewing mirror 1503 is connected at the upper part of the feed inlet and three-way connecting bracket 1613, the upper part of the duct viewing mirror 1503 is connected with a vertical screw conveyer 1502, a negative pressure gauge 1602 is arranged at the left side of the upper part of a secondary presser 16, a temperature sensor 1605 which is hermetically clamped and penetrated through a casing and is tightly connected with a pressing ring 1607 is arranged at the right side, observation viewing mirrors and hand holes 1606 are arranged at the front and the back of the casing of the secondary presser 16, a pressing screw assembly 1610 is connected at the right side of a right grid plate bracket 1609, a sealed pressing ring and a meal outlet 1608 which are adjusted through screw, the lower part of the pressing screw assembly 1610 is provided with a cake diversion channel 1603, the lower part of the conical oil receiving groove 1702 is connected with a crude oil lead-out valve 19 and a crude oil lead-out valve 20 through a tee joint, the crude oil lead-out valve 19 is connected with a crude oil receiving tank 24 through a crude oil filter 21 by a pipeline, the left side of the upper part of the crude oil receiving tank 24 is provided with a negative pressure gauge 2406, the right side is connected with a negative pressure emptying valve 2405 and a negative pressure valve 2404 and is connected with a negative pressure buffer tank 25, the lower part of the crude oil receiving tank 24 is connected with a blow-off valve 2403, an oil outlet valve 2402 and an oil outlet pipeline 2401 by pipelines, the crude oil lead-out valve 20 is connected with a crude oil filter 22 by a pipeline and is connected with the crude oil receiving tank 23, the right side of the upper part of the crude oil receiving tank 23 is provided with a negative pressure gauge 2302, the left side is connected with a negative pressure emptying valve 2303 and a negative pressure valve 2301 and is connected with the negative pressure buffer tank 25 by a pipeline, the, the lower part of the negative pressure buffer tank 25 is connected with a sewage valve 2601 through a pipeline, the left side of the upper part of the negative pressure buffer tank 25 is provided with a negative pressure meter 2602, and a secondary pressing oil residue outlet 1708 is connected with the lower inlet of the secondary pressing cake oil residue elevator.
The left grid plate support 301 and the right grid plate support 309 of the primary presser 3 are welded with the lower tapered oil receiving groove 406 and the first oil residue separator 4 to form a fully-closed shell, the left grid plate support 1601 and the right grid plate support 1609 of the secondary presser 16 are welded with the lower tapered oil receiving groove 1702 and the second oil residue separator 17 to form a fully-closed shell, the pressing screw assembly 1610 is welded with the right grid plate support 1609 in a closed manner to form a whole, a sealing gasket is arranged between the feeding port and three-way connecting support 315 and the left grid plate support 301 and connected through bolts, and a sealing gasket is arranged between the feeding port and three-way connecting support 1613 and the left grid plate support 1601.
The air shower distributor 303 is arranged on the upper part of the squeezing ring assembly 304 in parallel, the air shower distributor is divided into 2 air showers through a tee joint and a quick-opening joint, 1-3 air outlet holes are respectively arranged on the 2 air shower pipelines in the axial direction, 1-100 air outlet holes are arranged in each row, the diameter of each air outlet hole is 1-10mm, the distance between each air outlet hole is consistent with the distance between each squeezing ring, each air outlet hole correspondingly faces an oil outlet groove between each squeezing ring, oil residues in the oil outlet grooves between each squeezing ring can be washed away through negative pressure air shower, heat exchange can be formed, the temperature of the squeezing rings is reduced, the temperature reduction effect is realized, the temperature of the squeezing chambers can be reduced to be below 60 ℃, the negative pressure in the system is between-0.02 and-0.07, crude oil uninterruptedly enters the crude oil filter 6 or 7 along the negative pressure flow guide direction, the oil residues are filtered, and flow into the crude oil receiving tank 8 or the crude oil receiving tank 9, the suction filtration effect is realized, the air shower distributor 1603 is arranged at the upper part of the squeezing ring assembly support 16 in parallel and is divided into 2 air showers through a tee joint and a quick-opening joint, the 2 air showering pipelines are respectively provided with 1-3 air outlet holes in the axial direction, each row is provided with 1-100 air outlet holes, the diameter of each air outlet hole is 1-10mm, the distance between each air outlet hole is consistent with the distance between each squeezing ring, each air outlet hole correspondingly faces an oil outlet groove between each squeezing ring, the oil residue in the oil outlet groove between each squeezing ring can be washed away through the negative pressure air shower, and heat exchange can be formed, so that the temperature of the squeezing rings is reduced, the cooling effect is realized, the temperature of the pressing chamber can be reduced to below 60 ℃, the negative pressure degree in the system is between-0.02 and-0.07, the crude oil uninterruptedly enters the crude oil filter 21 or the crude oil filter 22 along the negative pressure flow guide direction, oil residues are filtered out and flow into the crude oil receiving tank 23 or the crude oil receiving tank 24, and the suction filtration effect is realized.
The diameter of the squeezing rings 307 is 50-500mm, 10-30 squeezing rings can be arranged, connecting bolts of the left grid plate bracket 301 and the left feeding hole and the three-way connecting bracket 315 are disassembled, the left grid plate bracket 301 is separated from the left feeding hole and the three-way connecting bracket 315, the squeezing rings 307 in the squeezing ring assembly bracket 304 can be sequentially taken out from the left for maintenance and cleaning, or the sealed squeezing ring pressing ring and the meal outlet 308 are rotated and withdrawn in the opposite direction, the squeezing rings 307 in the squeezing ring assembly bracket 304 can be sequentially taken out from the right for maintenance and cleaning, the diameter of the squeezing rings 1607 is 50-500mm, 10-30 squeezing rings can be arranged, the connecting bolts of the left grid plate bracket 1601 and the left feeding hole and the three-way connecting bracket 1613 are disassembled, the left grid plate bracket 1601 is separated from the left feeding hole and the three-way connecting bracket 1613, the squeezing rings 1607 in the squeezing ring assembly bracket 1604 can be sequentially taken out for maintenance and cleaning, or the squeezing rings and the meal outlet 1608 are rotated, the press rings 1607 in the press ring assembly support 1604 can be sequentially removed from the right for servicing and cleaning.
The first oil residue separator 4 is internally provided with a strip filter cartridge assembly 404, a spiral extrusion assembly 401, a conical oil residue outlet 402, a spiral extrusion bearing support and an oil residue outlet adjusting device 403 which can be drawn out from the right side for maintenance and cleaning, and the second oil residue separator 17 is internally provided with a strip filter cartridge assembly 1704, a spiral extrusion assembly 1705, a conical oil residue outlet 1707, a spiral extrusion bearing support and an oil residue outlet adjusting device 1706 which can be drawn out from the right side for maintenance and cleaning.
The coarse oil filter 8, the coarse oil receiving tank 10, the coarse oil filter 9 and the coarse oil receiving tank 11 can be switched by the coarse oil export valve 6 or the coarse oil export valve 7 to realize the alternate and continuous operation of the system, the coarse oil filter 8 and the coarse oil filter 9 are both provided with filter screens, the diameters of the filter screens can be set to be 10-120 meshes, the coarse oil filter 21, the coarse oil receiving tank 24, the coarse oil filter 22 and the coarse oil receiving tank 23 can be switched by the coarse oil export valve 19 or the coarse oil export valve 20 to realize the alternate and continuous operation of the system, the coarse oil filter 21 and the coarse oil filter 22 are both provided with filter screens, and the diameters of the filter screens can be set to be 10-120 meshes.
The low-temperature air inlet pipe 5 can be set to be a coil pipe type or a tube array type and can be set to be an air cooling type or a water cooling type, the air inlet temperature can be set to be 10-20 ℃, the low-temperature air inlet pipe 18 can be set to be a coil pipe type or a tube array type and can be set to be an air cooling type or a water cooling type, and the air inlet temperature can be set to be 10-20 ℃.
The mixed outlet 405 of the cake oil residue of the primary presser 3 is connected with the inlet at the lower part of the cake oil residue elevator 14 through a pipeline, the outlet at the upper part of the cake oil residue elevator 14 is connected with the cake oil residue feed hopper 15 at the upper left part of the secondary presser 16 through a pipeline, so that continuous secondary pressing can be realized, the secondary pressing oil residue outlet 1708 at the lower left part of the secondary presser 16 is connected with the inlet at the lower part of the cake oil residue elevator 14 through a pipeline, so that continuous secondary pressing of the oil residue can be realized, the secondary pressing cake flows out from the cake outlet 1703 at the lower right part of the secondary presser 16, and the oil residue rate of the secondary pressing cake is below 7.
Specifically, the production equipment for continuously pressing the vegetable oil at the low temperature by using the negative pressure air shower has the following specific working flow:
pressing the touch screen start button can be started automatically according to a program, and the specific sequence is as follows: the squeezing operation is started after 10 seconds of delay is needed after each device is started, namely a secondary presser 16 speed reducing motor 1615, a second oil residue separator 17 speed reducing motor 1701, a vertical screw conveyer 1502, a horizontal screw conveyer 1501, a vacuum pump 26, a cake oil residue elevator 14, a primary presser 3 speed reducing motor 313, a first oil residue separator 4 speed reducing motor 407, a vertical screw conveyer 202, a horizontal screw conveyer 201, a vacuum pump 13 and a raw material elevator 1.
The raw material enters a raw material feed hopper 2 through a raw material lifter 1, is discharged (the running speed is adjusted in a frequency conversion mode) by a horizontal screw conveyor 201 and a vertical screw conveyor 202, enters a pressing screw assembly 311 through a feed inlet by a pipeline viewing mirror 203, is spirally pushed and extruded by the pressing screw assembly 311 to form cake pulp, and is discharged through a pressing ring and a cake pulp outlet 308. And rotating a wrench of the pressing screw assembly 311 clockwise to adjust gaps among the pressing screw assembly 311, the pressing ring and the cake outlet 308, so that the cake is gradually compacted and thinned, and the thickness of the cake is adjusted to 1.5-2 mm.
The raw material entering speed in the pipeline viewing mirror 203 is observed, and the feeding speeds of the horizontal screw conveyor 201 and the vertical screw conveyor 202 are adjusted (the running speed is adjusted in a variable frequency mode), so that the pressure ring pulp outlet speed is kept consistent, uniform and smooth without overstocking and interruption. When the cake is adjusted, oil is continuously discharged from the oil outlet holes of the squeezing rings 307, oil and oil residues fall into the oil residue separator I4, the oil and the oil residues are pushed and extruded by the spiral extrusion assembly 401, the oil residues are discharged from the tapered oil residue outlet 402, crude oil is separated by the strip-shaped filter cylinder 404 and flows into the oil receiving groove 406, the crude oil enters the crude oil filter 8 or 9 (switching operation) for filtering through the crude oil outlet valve 6 or 7 (switching operation), the filtered crude oil is sucked into the crude oil receiving tank 10 or 11 (switching operation) through negative pressure, and one-time squeezing continuous operation starts. When materials are fed continuously from the feeding hole, the sealed pressing ring pressing rings and the cake outlet 308 continuously discharge cakes to prevent air from entering, external air enters the machine body through the low-temperature air inlet pipeline 5 and the air shower distributor 303 under the action of negative pressure, oil residues in the oil outlet grooves between the pressing rings 307 can be washed away through negative pressure air shower, heat exchange can be formed, the temperature of the pressing rings 307 is reduced, the cooling effect is realized, crude oil uninterruptedly enters the crude oil filter 8 or 9 along the negative pressure flow guide direction to filter the oil residues, and flows into the crude oil receiving tank 10 or 11, and the suction filtration effect is realized. The once-pressed cake oil residue is discharged from a cake oil residue mixing outlet 405, enters a cake oil residue feed hopper 15 through a cake oil residue elevator 14, is discharged (the running speed is adjusted in a frequency conversion mode) through a horizontal screw conveyor 1501 and a vertical screw conveyor 1502, enters a pressing screw assembly 1611 through a feed inlet through a pipeline viewing mirror 1503, is spirally pushed and extruded by the pressing screw assembly 1611 to form cake, is discharged through a pressing ring and a cake outlet 1608, and enters a cake temporary storage box through a cake outlet 1703. The wrench of the squeezing screw assembly 1611 is rotated clockwise to adjust the gap between the squeezing screw assembly 1611 and the squeezing ring and the cake outlet 1608, so that the cake is gradually compacted and thinned, and the thickness of the cake is adjusted to 1.5-2 mm. The raw material entering speed in the pipe sight glass 1503 is observed, and the feeding speeds of the horizontal screw conveyer 1501 and the vertical screw conveyer 1502 are adjusted (the running speed is adjusted in a frequency conversion mode), so that the material feeding speed is not accumulated or interrupted, and the feeding speed is consistent with the speed of a pressure ring meal outlet, and is uniform and smooth. When the cake is adjusted, the oil outlet holes of the squeezing rings 1607 start to continuously discharge oil, the oil and the oil residues fall into the second oil residue separator 17, the oil and the oil residues are pushed and squeezed by the spiral squeezing assembly 1704, the oil residues are discharged from the conical oil residue outlet 1707 and enter the cake oil residue lifter 14 through the second squeezing oil residue outlet 1708, and the oil residues are squeezed for the second time. The crude oil is separated by the strip filter cartridge 1704 and flows into the oil receiving groove 1702, passes through the crude oil outlet valve 19 or 20 (switching operation), enters the crude oil filter 21 or 22 (switching operation) for filtering, is sucked into the crude oil receiving tank 23 or 24 (switching operation) through negative pressure, and starts the secondary pressing continuous operation. When materials are fed into the feeding hole continuously, the sealed pressing ring pressing rings and the cake meal outlet 1608 continuously discharge cake meal to prevent air from entering, external air enters the machine body through the low-temperature air inlet pipeline 18 and the air shower distributor 1603 under the action of negative pressure, oil residue in an oil outlet groove between every two pressing rings 1607 can be washed away through negative pressure air shower, heat exchange can be formed, the temperature of the pressing rings 1607 is reduced, the cooling effect is achieved, crude oil enters the crude oil filter 21 or 22 uninterruptedly along the negative pressure flow guide direction to be filtered out, and the crude oil flows into the crude oil receiving tank 23 or 24, and the suction filtration effect is achieved. The utility model discloses the structure is smooth, continuous operation, and intelligent operation, low temperature is high-efficient, can will press the hall temperature to fall to below 60 ℃, and the crude oil temperature is no longer than 60 ℃ promptly, and the interior negative pressure degree of system is between-0.02 to-0.07, and seed dregs of rice oil residual oil rate is below 7%, realizes that continuous negative pressure wind drenches the production that the low temperature pressed the vegetable oil.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A production facility for pressing vegetable oil at low temperature by continuous negative pressure air shower is characterized in that: comprises a primary squeezing system and a secondary squeezing system which are connected in series,
the primary squeezing system comprises a raw material lifter (1), a raw material feed hopper (2), a primary squeezing machine, a first oil residue separator (4) and a first crude oil filter set which are sequentially communicated, a first air spray distributor (303) of the primary squeezing machine (3) is communicated with a first low-temperature air inlet pipeline (5), an outlet at the lower part of the first oil residue separator (4) is communicated with a lifting feed part of the secondary squeezing system, and the tail end of the first crude oil filter set is connected with a crude oil receiving tank;
the system is squeezed to the second grade with the system structure is the same to the first grade, the system is squeezed to the second grade is including cake dregs of fat lifting machine (14), cake dregs of fat feeder hopper (15), secondary squeezer (16), dregs of fat separator two (17) and the crude oil filter group two that communicate in proper order, the second air-shower distributor (1603) of secondary squeezer (16) is linked together with second low temperature intake stack (18), the export of dregs of fat separator two (17) lower part also with the promotion feed department of the system is squeezed to the second grade is linked together, the end connection crude oil of crude oil filter group two accepts the jar, and the crude oil of two sets of systems of squeezing accepts the oil pipeline of jar and is linked together.
2. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 1, characterized in that: raw materials lifting machine (1) passes through the pipe connection with raw materials feeder hopper (2), raw materials feeder hopper (2) are equipped with horizontal screw conveyer (201) and perpendicular screw conveyer (202) that communicate each other, cake dregs of fat feeder hopper (15) with the structure of raw materials feeder hopper (2) is the same.
3. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 1, characterized in that: the left side and the right side of the primary presser (3) are respectively provided with a left grid plate bracket (301) and a right grid plate bracket (309), the two brackets are welded with a squeezing ring assembly (304) internally provided with a squeezing ring (307), and the lower parts of the left grid plate bracket (301) and the right grid plate bracket (309) are respectively provided with a first oil residue separator (4);
a feed inlet and a three-way connecting support (315) are connected to the outer side of the left grid plate support (301), a sealing ring (314) is embedded in the left side of the feed inlet and the three-way connecting support (315) and is connected with a speed reducing motor (313) through a flange, a pipeline viewing mirror (203) is connected to the upper portion of the feed inlet and the three-way connecting support (315), and the top of the pipeline viewing mirror (203) is connected with a vertical spiral conveyer (202);
the right side of the right grid plate support (309) is connected with a screw assembly (310), a sealed pressing ring and a meal outlet (308) which are adjusted through threads are arranged in the screw assembly (310), the right side of the screw assembly (310) is adjusted through threads, penetrates through the pressing ring (307) and a sealing ring (314) and is clamped with a bearing in the speed reducing motor (313), and the lower part of the screw assembly (310) is provided with a lower-divided cake flow guide channel (312);
a first negative pressure gauge (302) is arranged on the left side of the upper part of the primary presser (3), a temperature sensor (305) which is hermetically clamped and penetrates through the machine shell to be closely connected with the pressing ring in a sealing manner is arranged on the right side of the primary presser (3), and observation sight glasses and hand holes (306) are arranged in front of and behind the machine shell of the primary presser (3);
the primary press (3) and the secondary press (16) are structurally identical.
4. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 3, characterized in that: the pressing screw assembly (310) and the right grid plate bracket (309) are welded into a whole in a sealing way, and sealing gaskets are arranged between the feed inlet and the three-way connecting bracket (315) and the left grid plate bracket (301) and are connected through bolts;
the upper part of the squeezing ring assembly (304) is provided with a first air shower distributor (303), the first air shower distributor (303) is arranged at the upper part of the squeezing ring assembly (304) in parallel, the first air shower distributor is divided into 2 air shower pipelines through a tee joint and a quick-opening joint, 1-3 air outlet holes are respectively formed in the 2 air shower pipelines in the axial direction, 1-100 air outlet holes are formed in each air outlet hole, the diameter of each air outlet hole is 1-10mm, the distance between each air outlet hole is consistent with the distance between each squeezing ring, and each air outlet hole correspondingly faces an oil outlet groove between each squeezing ring (307);
the diameter of the squeezing ring (307) is 50-500mm, and the number of the squeezing rings is 10-30.
5. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 3, characterized in that: a strip-shaped filter cylinder assembly (404) is arranged in the oil residue separator I (4), a spiral extrusion assembly (401) is arranged in the strip-shaped filter cylinder assembly (404), and a conical oil residue outlet (402), a spiral extrusion bearing support and an oil residue outlet adjusting device (403) are arranged on the right side of the oil residue separator I (4);
the left side of the oil residue separator I (4) is connected with a variable speed motor (407), the lower part of the oil residue separator I (4) is connected with a conical oil receiving groove (406), the lower part of the conical oil residue outlet (402) is provided with a cake oil residue mixing outlet (405), the cake oil residue mixing outlet (405) is connected with a lower feed inlet of the cake oil residue hoisting machine (14), and an upper outlet of the cake oil residue hoisting machine (14) is connected with the cake oil residue feed hopper (15) through a pipeline;
a left grid plate bracket (301) and a right grid plate bracket (309) of the primary presser (3) are welded with a lower tapered oil receiving groove (406) and a first oil residue separator (4) to form a fully-closed shell;
the first oil residue separator (4) and the second oil residue separator (17) have the same structure.
6. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 5, characterized in that: the lower part of the conical oil receiving groove (406) is communicated with two crude oil filters which work alternately in the first crude oil filter group through a tee joint and a crude oil lead-out valve, and the tail ends of the two crude oil filters are connected with crude oil receiving tanks; a negative pressure gauge is arranged on the left side of the upper part of the crude oil receiving tank, a negative pressure emptying valve and a negative pressure valve which are connected with a negative pressure buffer tank (12) are connected on the right side, and a sewage discharge valve, an oil outlet valve and an oil outlet pipeline are connected on the lower part through pipelines; the coarse oil filters are all provided with filter screens, and the diameters of the filter screens are all set to be 10-120 meshes; and the structure of the first crude oil filter group is the same as that of the second crude oil filter group.
7. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 6, characterized in that: the middle of the upper part of the negative pressure buffer tank (12) is provided with a check valve (1202) through a pipeline to be connected with a negative pressure pump (13), the lower part of the negative pressure buffer tank (12) is connected with a sewage discharge valve (1201) through a pipeline, and the left side of the upper part of the negative pressure buffer tank (12) is provided with a second negative pressure meter (1203).
8. The continuous negative pressure air shower low temperature press vegetable oil production equipment according to claim 1, characterized in that: the first low-temperature air inlet pipeline (5) and the second low-temperature air inlet pipeline (18) are both coiled pipes or tubular pipes, air cooling type or water cooling type is adopted, and the air inlet temperature is 10-20 ℃.
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| CN201920381054.5U CN210065700U (en) | 2019-03-26 | 2019-03-26 | Production facility of continuous type negative pressure wind drenches low temperature and squeezes vegetable oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777608A (en) * | 2019-03-26 | 2019-05-21 | 祖柏实 | A kind of production equipment of continuous negative pressure wind leaching cold pressing vegetable oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777608A (en) * | 2019-03-26 | 2019-05-21 | 祖柏实 | A kind of production equipment of continuous negative pressure wind leaching cold pressing vegetable oil |
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