阅读说明：本技术 一种多级提取咖啡因的方法及装置 (Method and device for multistage extraction of caffeine ) 是由 熊相人 陈碧峰 于 2020-12-25 设计创作，主要内容包括：本发明提供一种多级提取咖啡因的方法及装置。所述多级提取咖啡因的方法及装置包括底座；支柱,所述支柱固定安装在所述底座的顶侧；顶板,所述顶板固定安装在所述支柱的顶侧；气缸,所述气缸固定安装在所述顶板的底侧；远红外烘烤装置,所述远红外烘烤装置安装在所述气缸的输出轴上；网筒,所述网筒转动安装在所述远红外烘烤装置的正下方,所述网筒的上设置有进料口和出料口；网筒转动装置,所述网筒转动装置转动安装在所述支柱的一侧,所述网筒转动装置与所述网筒相连接,所述网筒转动装置用于对所述网筒进行旋转；升降支撑装置,所述升降支撑装置安装在所述底座上,所述升降支撑装置用于对网筒进行支撑；接料盆,所述接料盆放置在所述底座的顶侧,所述接料盆位于所述出料口的下方。本发明提供的多级提取咖啡因的方法及装置具有工艺简单、使用方便、操作方便的优点。(The invention provides a method and a device for extracting caffeine in multiple stages. The method and the device for extracting the caffeine in multiple stages comprise a base; a pillar fixedly mounted on a top side of the base; a top plate fixedly mounted on a top side of the pillar; the cylinder is fixedly arranged on the bottom side of the top plate; the far infrared baking device is arranged on an output shaft of the air cylinder; the net barrel is rotatably arranged right below the far infrared baking device, and a feeding hole and a discharging hole are formed in the net barrel; the net drum rotating device is rotatably arranged on one side of the support column and is connected with the net drum, and the net drum rotating device is used for rotating the net drum; the lifting support device is arranged on the base and is used for supporting the net drum; the material receiving basin is placed on the top side of the base and is located below the discharge port. The method and the device for extracting caffeine in multiple stages have the advantages of simple process, convenience in use and operation.)

1. An apparatus for multi-stage extraction of caffeine, comprising:

a base;

a pillar fixedly mounted on a top side of the base;

a top plate fixedly mounted on a top side of the pillar;

the cylinder is fixedly arranged on the bottom side of the top plate;

the far infrared baking device is arranged on an output shaft of the air cylinder;

the net barrel is rotatably arranged right below the far infrared baking device, and a feeding hole and a discharging hole are formed in the net barrel;

the net drum rotating device is rotatably arranged on one side of the support column and is connected with the net drum, and the net drum rotating device is used for rotating the net drum;

the lifting support device is arranged on the base and is used for supporting the net drum;

the material receiving basin is placed on the top side of the base and is located below the discharge port.

2. The apparatus for multi-stage extraction of caffeine according to claim 1, wherein the far infrared roasting apparatus includes an arc-shaped mirror reflector, the arc-shaped mirror reflector is fixedly connected to the output shaft of the cylinder, and a far infrared electric heating tube is installed in the arc-shaped mirror reflector.

3. The apparatus for multi-stage extraction of caffeine according to claim 1, wherein the net drum rotating device comprises a rotating plate, the rotating plate is rotatably mounted on one side of the support, a first motor is fixedly mounted on a top side of the rotating plate, a rotating shaft is fixedly connected to an output shaft of the first motor, and the rotating shaft is fixedly connected to the net drum.

4. The apparatus for multi-stage extraction of caffeine according to claim 1, wherein the elevating support device includes a second motor, a groove is formed on a top side of the base, the second motor is fixedly installed in the groove, a rotating rod is fixedly connected to an output shaft of the second motor, a first bevel gear is fixedly sleeved on the rotating rod, a lead screw is rotatably installed in the groove, a second bevel gear is fixedly sleeved on the lead screw, the second bevel gear is engaged with the first bevel gear, a top end of the lead screw extends out of the groove, a fixed cylinder is fixedly installed on the top side of the base, a sliding rod is slidably installed in the fixed cylinder, a top end of the sliding rod extends out of the fixed cylinder and is connected with a rolling connection device, a rotating roller is fixedly installed on one side of the net cylinder, and the rotating roller is in contact with the rolling connection device, the top end of the screw rod extends into the fixed cylinder and is in threaded sleeve joint with the sliding rod.

5. The apparatus for multi-stage extraction of caffeine according to claim 4, wherein a rotating seat is fixedly installed in the recess, and the rotating seat is rotatably sleeved with the rotating rod.

6. The apparatus for multi-stage extraction of caffeine according to claim 4, wherein a bearing is mounted in the fixed cylinder, an inner ring of the bearing is fixedly sleeved with the screw rod, and a bearing seat is mounted on an inner wall of a bottom side of the groove and rotatably sleeved with the screw rod.

7. The device for multi-stage extraction of caffeine according to claim 4, wherein a bar-shaped limiting hole is formed at one side of the fixed cylinder, a limiting block is fixedly mounted at one side of the sliding rod, and the bar-shaped limiting hole is slidably connected with the limiting block.

8. The apparatus for multi-stage extraction of caffeine according to claim 4, wherein the rolling connection means comprises a through slot, two parallel fixing rods are fixedly mounted in the through slot, and a roller is rotatably sleeved on the fixing rods.

9. The apparatus for multi-stage extraction of caffeine according to claim 1, wherein a plurality of baffles are annularly mounted within the mesh cylinder.

10. A method for the multi-stage extraction of caffeine as claimed in claims 1 to 9, comprising the steps of:

s1: putting coffee beans into the net cylinder through the feed inlet;

s2: starting the air cylinder, wherein an output shaft of the air cylinder drives the arc-shaped mirror surface reflection cover to move, the arc-shaped mirror surface reflection cover drives the far infrared electric heating tube to move, and the distance between the far infrared electric heating tube and the net drum is adjusted;

s3: the far infrared electric heating tube is started to dry the coffee beans in the net cylinder;

s4: starting the first motor, wherein an output shaft of the first motor drives a rotating shaft to rotate, and the rotating shaft drives the net cylinder to rotate, so that the coffee beans in the net cylinder are dried uniformly;

s5: after drying is completed, a second motor is started, an output shaft of the second motor drives a rotating rod to rotate, the rotating rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the screw rod to rotate, the screw rod drives the slide rod to slide downwards, the slide rod drives the through groove to move downwards, so that one end of the net cylinder is lowered, and a discharge hole is opened for discharging;

s6: pulverizing the dried coffee beans, and grinding into fine powder;

s7: mixing the coffee fine powder and alcohol in proportion and putting the mixture into a Soxhlet extractor;

s8: introducing distilled water into a Soxhlet extractor, and heating and boiling;

s9: repeatedly extracting the boiled solution;

s10: subjecting the solution to multi-stage distillation to recover ethanol inside the solution;

s11: the distilled product is placed on an evaporating dish and then heated for sublimation to improve the purity of the caffeine.

Technical Field

The invention relates to the technical field of coffee processing, in particular to a method and a device for extracting caffeine in a multi-stage manner.

Background

Coffee is a beverage made from roast and ground coffee beans. As one of three major beverages in the world, the beverage is popular with cocoa and tea as the main beverage in the world. Coffee for daily drinking is made up by using coffee beans and various cooking utensils, and the coffee beans are the kernels in the fruit of coffee tree, and then roasting them by using proper roasting method, and the main component of coffee contains caffeine, and the caffeine has a strong bitter taste, and can stimulate central nervous system, heart and respiratory system, and the proper quantity of caffeine can also relieve muscle fatigue and promote the secretion of digestive juice. Caffeine is a central nervous system stimulant and also a metabolic stimulant, and caffeine is used as a beverage and a medicine, and has the functions of refreshing and relieving fatigue. The existing method for extracting caffeine from coffee fruits is complex and complicated to operate.

Therefore, there is a need to provide a new method and apparatus for multi-stage extraction of caffeine to solve the above-mentioned problems.

Disclosure of Invention

The invention solves the technical problem of providing the method and the device for extracting the caffeine in multiple stages, which have simple process, convenient use and convenient operation.

In order to solve the above technical problems, the present invention provides an apparatus for multi-stage extraction of caffeine, comprising:

a base;

a pillar fixedly mounted on a top side of the base;

a top plate fixedly mounted on a top side of the pillar;

the cylinder is fixedly arranged on the bottom side of the top plate;

the far infrared baking device is arranged on an output shaft of the air cylinder;

the net barrel is rotatably arranged right below the far infrared baking device, and a feeding hole and a discharging hole are formed in the net barrel;

the net drum rotating device is rotatably arranged on one side of the support column and is connected with the net drum, and the net drum rotating device is used for rotating the net drum;

the lifting support device is arranged on the base and is used for supporting the net drum;

the material receiving basin is placed on the top side of the base and is located below the discharge port.

Preferably, the far infrared baking device comprises an arc-shaped mirror reflection cover, the arc-shaped mirror reflection cover is fixedly connected with an output shaft of the cylinder, and a far infrared electric heating tube is installed in the arc-shaped mirror reflection cover.

Preferably, the net drum rotating device comprises a rotating plate, the rotating plate is rotatably installed on one side of the supporting column, a first motor is fixedly installed on the top side of the rotating plate, a rotating shaft is fixedly connected to an output shaft of the first motor, and the rotating shaft is fixedly connected with the net drum.

Preferably, the lifting support device comprises a second motor, a groove is formed on the top side of the base, the second motor is fixedly arranged in the groove, an output shaft of the second motor is fixedly connected with a rotating rod, the rotating rod is fixedly sleeved with a first conical gear, the groove is internally and rotatably provided with a screw rod, the screw rod is fixedly sleeved with a second conical gear, the second bevel gear is meshed with the first bevel gear, the top end of the screw rod extends out of the groove, a fixed cylinder is fixedly arranged on the top side of the base, a slide bar is arranged in the fixed cylinder in a sliding way, the top end of the slide bar extends out of the fixed cylinder and is connected with a rolling connecting device, one side fixed mounting of a net section of thick bamboo has changeing the roller, change the roller with roll connecting device contacts, the top of lead screw extends to in the fixed section of thick bamboo and with slide bar thread cup joints.

Preferably, a rotating seat is fixedly installed in the groove, and the rotating seat is rotatably sleeved with the rotating rod.

Preferably, a bearing is installed in the fixed cylinder, an inner ring of the bearing is fixedly sleeved with the screw rod, a bearing seat is installed on the inner wall of the bottom side of the groove, and the bearing seat is rotatably sleeved with the screw rod.

Preferably, a bar-shaped limiting hole is formed in one side of the fixed cylinder, a limiting block is fixedly mounted on one side of the sliding rod, and the bar-shaped limiting hole is connected with the limiting block in a sliding mode.

Preferably, the rolling connection device comprises a through groove, two parallel fixing rods are fixedly mounted in the through groove, and the fixing rods are rotatably sleeved with rollers.

Preferably, a plurality of baffles are annularly arranged in the net cylinder.

A method for multi-stage extraction of caffeine, comprising the steps of:

s1: putting coffee beans into the net cylinder through the feed inlet;

s2: starting the air cylinder, wherein an output shaft of the air cylinder drives the arc-shaped mirror surface reflection cover to move, the arc-shaped mirror surface reflection cover drives the far infrared electric heating tube to move, and the distance between the far infrared electric heating tube and the net drum is adjusted;

s3: the far infrared electric heating tube is started to dry the coffee beans in the net cylinder;

s4: starting the first motor, wherein an output shaft of the first motor drives a rotating shaft to rotate, and the rotating shaft drives the net cylinder to rotate, so that the coffee beans in the net cylinder are dried uniformly;

s5: after drying is completed, a second motor is started, an output shaft of the second motor drives a rotating rod to rotate, the rotating rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the screw rod to rotate, the screw rod drives the slide rod to slide downwards, the slide rod drives the through groove to move downwards, so that one end of the net cylinder is lowered, and a discharge hole is opened for discharging;

s6: pulverizing the dried coffee beans, and grinding into fine powder;

s7: mixing the coffee fine powder and alcohol in proportion and putting the mixture into a Soxhlet extractor;

s8: introducing distilled water into a Soxhlet extractor, and heating and boiling;

s9: repeatedly extracting the boiled solution;

s10: subjecting the solution to multi-stage distillation to recover ethanol inside the solution;

s11: the distilled product is placed on an evaporating dish and then heated for sublimation to improve the purity of the caffeine.

Compared with the related art, the method and the device for extracting caffeine in multiple stages have the following beneficial effects:

the invention provides a method and a device for extracting caffeine in multiple stages, which can extract caffeine in coffee fruits more conveniently without the situation that the extraction process is complicated and difficult to operate; the far infrared electric heating tube is used as a heating source, the penetrating power is strong, the coffee beans can be rotated through the net drum rotating device, and the drying of the coffee beans is facilitated to be uniform inside and outside.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the apparatus for multi-stage extraction of caffeine according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the rolling connection apparatus shown in FIG. 1;

fig. 4 is a schematic structural view of the net drum shown in fig. 1.

Reference numbers in the figures: 1. the device comprises a base, 2, a support, 3, a top plate, 4, a cylinder, 5, an arc-shaped mirror reflection cover, 6, a far infrared electric heating tube, 7, a net barrel, 8, a feed inlet, 9, a discharge outlet, 10, a net barrel rotating device, 101, a rotating plate, 102, a first motor, 103, a rotating shaft, 11, a material receiving basin, 12, a groove, 13, a second motor, 14, a rotating rod, 15, a first conical gear, 16, a rotating seat, 17, a fixed barrel, 18, a sliding rod, 19, a through groove, 20, a fixed rod, 21, a roller, 22, a rotating roller, 23, a screw rod, 24, a second conical gear, 25, a bearing, 26, a bearing seat, 27, a baffle, 28, a strip-shaped limiting hole, 29 and a limiting block.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, in which fig. 1 is a schematic structural diagram of a preferred embodiment of the apparatus for multi-stage extraction of caffeine according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is a schematic view of the rolling connection apparatus shown in FIG. 1; fig. 4 is a schematic structural view of the net drum shown in fig. 1. The apparatus for multi-stage extraction of caffeine comprises:

a base 1;

the pillar 2 is fixedly arranged on the top side of the base 1;

the top plate 3 is fixedly arranged on the top side of the support column 2;

the cylinder 4 is fixedly arranged on the bottom side of the top plate 3;

the far infrared baking device is arranged on an output shaft of the air cylinder 4;

the net barrel 7 is rotatably installed right below the far infrared baking device, and a feeding hole 8 and a discharging hole 9 are formed in the net barrel 7;

the net drum rotating device 10 is rotatably installed on one side of the support column 2, the net drum rotating device 10 is connected with the net drum 7, and the net drum rotating device 10 is used for rotating the net drum 7;

the lifting support device is arranged on the base 1 and is used for supporting the net drum 7;

the material receiving basin 11 is placed on the top side of the base 1, and the material receiving basin 11 is located below the discharge port 9.

The far infrared baking device comprises an arc-shaped mirror reflection cover 5, the arc-shaped mirror reflection cover 5 is fixedly connected with an output shaft of the air cylinder 4, and a far infrared electric heating tube 6 is installed in the arc-shaped mirror reflection cover 5.

The net drum rotating device 10 comprises a rotating plate 101, the rotating plate 101 is rotatably installed on one side of the support column 2, a first motor 102 is fixedly installed on the top side of the rotating plate 101, a rotating shaft 103 is fixedly connected to an output shaft of the first motor 102, and the rotating shaft 103 is fixedly connected with the net drum 7.

The lifting supporting device comprises a second motor 13, a groove 12 is formed in the top side of the base 1, the second motor 13 is fixedly installed in the groove 12, a rotating rod 14 is fixedly connected to an output shaft of the second motor 13, a first bevel gear 15 is fixedly sleeved on the rotating rod 14, a screw rod 23 is installed in the groove 12 in a rotating mode, a second bevel gear 24 is fixedly sleeved on the screw rod 23 and meshed with the first bevel gear 15, the top end of the screw rod 23 extends to the outside of the groove 12, a fixed cylinder 17 is fixedly installed on the top side of the base 1, a sliding rod 18 is installed in the fixed cylinder 17 in a sliding mode, the top end of the sliding rod 18 extends to the outside of the fixed cylinder 17 and is connected with a rolling connecting device, a rotating roller 22 is fixedly installed on one side of the net cylinder 7, and the rotating roller 22 is in contact with the rolling connecting device, the top end of the screw rod 23 extends into the fixed cylinder 17 and is in threaded sleeve connection with the sliding rod 18.

A rotating seat 16 is fixedly installed in the groove 12, and the rotating seat 16 is rotatably sleeved with the rotating rod 14.

A bearing 25 is installed in the fixed cylinder 17, an inner ring of the bearing 25 is fixedly sleeved with the screw rod 23, a bearing seat 26 is installed on the inner wall of the bottom side of the groove 12, and the bearing seat 26 is rotatably sleeved with the screw rod 23.

A strip-shaped limiting hole 28 is formed in one side of the fixed cylinder 17, a limiting block 29 is fixedly mounted on one side of the sliding rod 18, and the strip-shaped limiting hole 28 is connected with the limiting block 29 in a sliding mode.

The rolling connection device comprises a through groove 19, two parallel fixed rods 20 are fixedly mounted in the through groove 19, and rollers 21 are rotatably sleeved on the fixed rods 20.

A plurality of baffles 27 are annularly arranged in the net drum 7.

A method for multi-stage extraction of caffeine, comprising the steps of:

s1: coffee beans are put into the net cylinder 8 through the feed port 8;

s2: starting the air cylinder 4, driving the arc-shaped mirror surface reflection cover 5 to move by an output shaft of the air cylinder 4, driving the far infrared electric heating tube 6 to move by the arc-shaped mirror surface reflection cover 5, and adjusting the distance between the far infrared electric heating tube 6 and the net drum 7;

s3: the far infrared electric heating tube 6 is started to dry the coffee beans in the net cylinder 7;

s4: starting the first motor 102, wherein an output shaft of the first motor 102 drives a rotating shaft 103 to rotate, and the rotating shaft 103 drives the net cylinder 7 to rotate, so that coffee beans in the net cylinder 7 are dried uniformly;

s5: after drying, starting a second motor 13, driving a rotating rod 14 to rotate by an output shaft of the second motor 13, driving the first bevel gear 15 to rotate by the rotating rod 14, driving the second bevel gear 24 to rotate by the first bevel gear 15, driving the screw rod 23 to rotate by the second bevel gear 24, driving the slide rod 18 to slide downwards by the screw rod 23, driving the through groove 19 to move downwards by the slide rod 18, so that one end of the net barrel 7 is lowered, and opening the discharge hole 9 to discharge materials;

s6: pulverizing the dried coffee beans, and grinding into fine powder;

s7: mixing the coffee fine powder and alcohol in proportion and putting the mixture into a Soxhlet extractor;

s8: introducing distilled water into a Soxhlet extractor, and heating and boiling;

s9: repeatedly extracting the boiled solution;

s10: subjecting the solution to multi-stage distillation to recover ethanol inside the solution;

s11: the distilled product is placed on an evaporating dish and then heated for sublimation to improve the purity of the caffeine.

Compared with the related art, the method and the device for extracting caffeine in multiple stages have the following beneficial effects:

the invention provides a method and a device for extracting caffeine in multiple stages, which can extract caffeine in coffee fruits more conveniently without the situation that the extraction process is complicated and difficult to operate; the far infrared electric heating tube is used as a heating source, the penetrating power is strong, the coffee beans can be rotated through the net drum rotating device 10, and the drying inside and outside uniformity of the coffee beans is facilitated.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.