Constant-temperature drying and separating equipment for tea polyphenol concentration

Abstract

The utility model provides constant-temperature drying and separating equipment for tea polyphenol concentration, which comprises a base and a drying cylinder positioned on the base, the top of the base is fixedly connected with a support, one side of the support is fixedly connected with a connecting table, one end of the drying cylinder is fixedly connected with a connecting sleeve, and the other end of the drying cylinder is fixedly connected with a rotating shaft. The connecting sleeve is arranged outside the drying cylinder in a sleeving mode and rotationally connected with the drying cylinder, the axis of the drying cylinder located on the base inclines relative to the horizontal plane, and the connecting sleeve is located at the top of the inclined drying cylinder. The drying cylinder is arranged to be of an inclined and rotatable structure, then the circulating drying pipe is arranged in the drying cylinder, when the drying cylinder rotates, raw materials in the drying cylinder can be driven to roll and flow greatly, hot air in the circulating drying pipe is in a circulating flowing state, and the interior of the drying cylinder is in a constant-temperature state; hot air can be in comprehensive contact with raw materials, and meanwhile damp air can be exhausted in an accelerated mode. Therefore, the drying treatment efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea polyphenol production technical field, specifically for a kind of constant temperature drying separation equipment for tea polyphenol concentration. BACKGROUND

[0002] And in the process of producing tea polyphenol, drying separation equipment needs to be used in the prior art, high-temperature gas is generated by heating equipment, the high-temperature gas is transported to the inside of drying separation cylinder through pipeline, so as to improve the temperature inside the drying separation cylinder, then the raw materials are sprayed to the inside of drying separation cylinder by high-speed rotating nozzle, and the raw materials are dried by high-temperature gas.

[0003] At present, in order to improve the uniformity of the heating of raw materials, a stirrer is usually arranged in the drying separation cylinder, and the stirrer stirs the raw materials when rotating, so that the area of the raw materials contacting with hot air is increased. However, the drying separation equipment still has the following disadvantages when in use: 1. The effect of the stirrer rotating to push the raw materials to tumble is poor, which leads to poor uniformity of the heating of the raw materials, and thus greatly reduces the efficiency of drying and dewatering treatment; 2. The arrangement of the stirrer makes it easy for the inner wall of the drying separation cylinder to form a bonding material, that is, tea polyphenol residues. This part of residues is extremely inconvenient to clean up due to the arrangement of the stirrer, or it is not completely cleaned, which affects the purity of subsequent drying treatment.

[0004] Therefore, the utility model provides a constant temperature drying separation equipment for tea polyphenol concentration. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a constant temperature drying separation equipment for tea polyphenol concentration to solve the problems raised in the background art. The utility model has the function of greatly increasing the contact area of raw materials and high-temperature air, improves the efficiency of drying treatment, and has the advantages of being more convenient and thorough to clean the inner wall of the drying cylinder.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a constant temperature drying separation equipment for tea polyphenol concentration, comprising a base and a drying cylinder located on the base, the top of the base is fixedly connected with a support, one side of the support is fixedly connected with a connecting table, one end of the drying cylinder is fixedly connected with a connecting sleeve, the connecting sleeve is sleeved outside the drying cylinder and is rotationally connected with the drying cylinder, the axis of the drying cylinder located on the base is inclined relative to the horizontal plane, the connecting sleeve is located at the top of the inclined drying cylinder, a circulating drying pipe and a feeding pipe are penetratingly arranged on the connecting table, the circulating drying pipe is provided with an air outlet and an air inlet located in the drying cylinder, a discharging device is arranged at the bottom end of the drying cylinder, and a control combination for controlling the rotation of the drying cylinder is arranged between the support and the drying cylinder.

[0007] Further, the circulating drying pipe is in U-shaped structure and its bottom end is located in the drying cylinder, the air outlet is located at the bottom of the circulating drying pipe, and the air inlet is arranged close to the connecting table.

[0008] Further, the top of the base is provided with an air extractor and a heating box, the air extraction pipe on the air extractor is connected with one end of the straight pipe through pipelines and the air inlet, and the heating box is provided with a spiral pipe, one end of the spiral pipe is connected with the other end of the straight pipe of the circulating drying pipe through pipelines.

[0009] Further, the control assembly comprises a driving pulley, a transmission belt, a driven pulley and a control motor, the driven pulley is fixedly sleeved on the connecting sleeve, the control motor is fixedly arranged on the support and the output shaft of the control motor is fixedly connected with the driving pulley, and the driving pulley is connected with the driven pulley through the transmission belt.

[0010] Further, the discharging device comprises a discharging pipe, a plug disc and an electric push rod, the discharging pipe is fixedly arranged at the middle of the bottom end of the drying cylinder, the plug disc is sleeved in the discharging pipe and is in sliding separable connection, and the electric push rod is fixedly arranged on the base and the output shaft of the electric push rod is rotationally connected with one side of the plug disc.

[0011] Further, one end of the connecting table is fixedly connected with a scraper plate abutting against the upper portion of the inner wall of the drying cylinder.

[0012] Further, the top of the base is fixedly connected with a bearing ring for rolling supporting the outer wall of the drying cylinder.

[0013] The beneficial effects of the present application are as follows:

[0014] 1. The drying cylinder is arranged in an inclined and rotatable structure, the circulating drying pipe is arranged in the drying cylinder, the raw materials in the drying cylinder are driven to roll and flow greatly when the drying cylinder rotates, the hot air in the circulating drying pipe is in a circulating flow state, the drying cylinder is in a constant temperature state, the hot air can contact the raw materials comprehensively, and the humid air is discharged quickly, so that the drying efficiency is greatly improved.

[0015] 2. The connecting table is arranged, the scraper plate in the drying cylinder is arranged on the connecting table, the inner wall of the drying cylinder is passively scraped by the scraper plate when the drying cylinder rotates, the inner wall of the drying cylinder is prevented from forming a bonding material, and the subsequent cleaning of the inner wall of the drying cylinder is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the constant temperature drying and separating equipment for tea polyphenol concentration.

[0017] Figure 2 It is a front view. Figure 1 of the present application.

[0018] Figure 3 For Figure 1 The schematic view after the drying cylinder is removed.

[0019] In the figure: 1, base; 11, bearing ring; 2, drying cylinder; 21, adapter sleeve; 3, support; 4, adapter table; 5, circulating drying pipe; 51, air outlet; 52, air inlet; 6, discharging device; 61, discharging pipe; 62, plug disc; 63, electric push rod; 7, control combination; 71, driving pulley; 72, transmission belt; 73, driven pulley; 74, control motor; 8, exhaust fan; 9, heating box; 101, spiral pipe; 102, feeding pipe; 103, scraper. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] Please refer to Figures 1 to 3 The utility model provides a kind of technical scheme: a kind of constant temperature drying separation equipment for tea polyphenol concentration, including base 1 and the drying cylinder 2 located on base 1, the top of base 1 is fixedly connected with support 3, the side of this support 3 is fixedly connected with adapter table 4, one end of drying cylinder 2 is fixedly connected with adapter sleeve 21, adapter sleeve 21 is set in the outside of drying cylinder 2 and both rotationally connect, when being implemented specifically, bearing and sealing ring are arranged between adapter sleeve 21 and drying cylinder 2, this kind of setting makes that drying cylinder 2 whole is in rotatable state, when drying cylinder 2 rotates, raw material in it will be in tumbling state. Wherein the top of base 1 is fixedly connected with the bearing ring 11 for rolling support outer circumferential wall of drying cylinder 2, the effect of bearing ring 11 is to stabilize support drying cylinder 2, improve the stability of rotation of drying cylinder 2.

[0022] Further, the axis of drying cylinder 2 located on base 1 is inclined relative to horizontal plane, adapter sleeve 21 is located at the top of inclined drying cylinder 2, when inclined drying cylinder 2 rotates, the turbulent effect of raw material in it is better.

[0023] Wherein, adapter table 4 is throughly provided with circulating drying pipe 5 and feeding pipe 102, the effect of circulating drying pipe 5 is to continuously import constant temperature high-temperature air into drying cylinder 2, while can export humid hot air in drying cylinder 2, specifically, air outlet 51 and air inlet 52 in drying cylinder 2 are formed on this circulating drying pipe 5, high-temperature air enters drying cylinder 2 from air outlet 51, so that the inside of drying cylinder 2 is in high-temperature state, high-temperature drying cylinder 2 evaporates the moisture of tumbling raw material, high-temperature gas containing moisture will rise and export outward through air inlet 52, keep drying cylinder 2 in constant temperature circulating drying state.

[0024] Further, the bottom end of the drying cylinder 2 is provided with a discharging device 6, which functions to guide the dried raw materials outwards.

[0025] Specifically, the discharging device 6 comprises a discharging pipe 61, a plug disc 62 and an electric push rod 63. The discharging pipe 61 is fixedly arranged at the middle part of the bottom end of the drying cylinder 2, and is coaxial with the drying cylinder 2. In a specific implementation, a conical sleeve fixedly connected with the discharging pipe 61 can be arranged at the bottom of the drying cylinder 2. The plug disc 62 is sleeved in the discharging pipe 61 and is in sliding separable cooperation. The plug disc 62 is in sealing cooperation with the discharging pipe 61. The electric push rod 63 is fixedly arranged on the base 1, and its output shaft is rotatably connected with one side of the plug disc 62. The electric push rod 63 provides driving force for the sliding of the plug disc 62 in the discharging pipe 61. When it is needed to discharge the dried raw materials, the plug disc 62 is controlled to be separated from the discharging pipe 61. At this time, the raw materials in the rotating drying cylinder 2 will be discharged through the discharging pipe 61 by gravity.

[0026] The control assembly 7 for controlling the rotation of the drying cylinder 2 is arranged between the support 3 and the drying cylinder 2.

[0027] Specifically, the control assembly 7 comprises a driving pulley 71, a transmission belt 72, a driven pulley 73 and a control motor 74. The driven pulley 73 is fixedly sleeved on the connecting sleeve 21. The control motor 74 is fixedly arranged on the support 3, and its output shaft is fixedly connected with the driving pulley 71. The driving pulley 71 is connected with the driven pulley 73 through the transmission belt 72. After the control motor 74 is started, the drying cylinder 2 is driven to rotate by the belt transmission assembly composed of the driving pulley 71, the transmission belt 72 and the driven pulley 73. This transmission mode can reduce the noise of the rotation of the drying cylinder 2.

[0028] In this embodiment, the circulating drying pipe 5 is in U-shaped structure, and its bottom end is located in the drying cylinder 2. The air outlet 51 is located at the bottom of the circulating drying pipe 5, and the air inlet 52 is arranged close to the connecting table 4. This arrangement can increase the distance between the air inlet 52 and the raw materials, and can effectively avoid that the raw materials are discharged along with the humid hot air.

[0029] Further, the top of the base 1 is provided with an air extractor 8 and a heating box 9, the heating box 9 is provided with a heating pipe, the air extraction pipe of the air extractor 8 is connected with one end of the straight pipe where the air inlet 52 is located through a pipeline, the heating box 9 is provided with a spiral pipe 101, the spiral pipe 101 is heated by the heating pipe when the heating pipe is electrified and heated, one end of the spiral pipe 101 is connected with the other end of the straight pipe of the circulating drying pipe 5 through a pipeline, so that when the air extractor 8 is started, the drying cylinder 2 is in a negative pressure state, at this time, the external air will enter the spiral pipe 101, and after being heated by the spiral pipe 101, the air will enter the circulating drying pipe 5, and then enter the drying cylinder 2, the humid hot air in the upper part of the drying cylinder 2 will enter the air inlet 52, and then be discharged to the outside of the drying cylinder 2, realizing the constant temperature circulating drying function. In specific implementation, a temperature sensor located in the drying cylinder 2 can also be installed on the connecting table 4 to monitor the temperature in the drying cylinder 2.

[0030] In the embodiment, one end of the connecting table 4 is fixedly connected with a scraper 103 abutting against the upper part of the inner circumferential wall of the drying cylinder 2, a rubber strip is bonded on the scraper 103, and the rubber strip is attached to the top wall in the drying cylinder 2, so that when the drying cylinder 2 rotates, the scraper 103 passively scrapes and brushes the inner wall of the drying cylinder 2 by the rubber strip, which has the advantage of facilitating the cleaning of the inner wall of the drying cylinder 2. It should be noted that by injecting water into the drying cylinder 2 through the feeding pipe 102 and cooperating with the rotation of the scraper 103 and the drying cylinder 2, the cleanliness of the inner wall of the drying cylinder 2 can be greatly improved.

[0031] Working principle: when it is necessary to concentrate tea polyphenols, an external injection device is used to inject raw materials into the drying cylinder 2 through the feeding pipe 102, then the heating box 9 is controlled to be electrified to heat the spiral pipe 101, the air extractor 8 is started and the motor 74 is controlled, at this time, the drying cylinder 2 rotates to drive the raw materials in it to tumble and form a turbulent flow, hot air is sucked into the drying cylinder 2, and the raw materials are dried by the high-temperature gas, at the same time, the humid hot air at the top of the drying cylinder 2 is discharged to the outside, thereby realizing the drying treatment of the raw materials.

[0032] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A thermostatic drying and separating device for tea polyphenol concentration, comprising a base (1) and a drying cylinder (2) located on the base (1), characterized in that, The top of the base (1) is fixedly connected with a support (3), one side of the support (3) is fixedly connected with a connecting table (4), one end of the drying cylinder (2) is fixedly connected with a connecting sleeve (21), the connecting sleeve (21) is sleeved on the outside of the drying cylinder (2) and is rotationally connected with the drying cylinder (2), the axis of the drying cylinder (2) on the base (1) is inclined relative to the horizontal plane, the connecting sleeve (21) is located at the top of the inclined drying cylinder (2), the connecting table (4) is provided with a circulating drying pipe (5) and a feeding pipe (102) penetratingly arranged thereon, the circulating drying pipe (5) is provided with an air outlet (51) and an air inlet (52) located in the drying cylinder (2), the bottom end of the drying cylinder (2) is provided with a discharging device (6), and the support (3) and the drying cylinder (2) are provided with a control combination (7) for controlling the rotation of the drying cylinder (2).

2. The constant temperature drying and separating device for tea polyphenol concentration according to claim 1, characterized in that: The circulating drying pipe (5) is in a U-shaped structure and the bottom end thereof is located in the drying cylinder (2), the air outlet (51) is located at the bottom of the circulating drying pipe (5), and the air inlet (52) is arranged close to the connecting table (4).

3. The constant temperature drying and separating equipment for tea polyphenol concentration according to claim 2, characterized in that: The top of the base (1) is provided with an air extractor (8) and a heating box (9), one end of an air extraction pipe on the air extractor (8) is connected with the air inlet (52) through a pipeline and a straight pipe, and the heating box (9) is provided with a spiral pipe (101), one end of the spiral pipe (101) is connected with another straight pipe on the circulating drying pipe (5) through a pipeline.

4. The constant temperature drying and separating device for tea polyphenol concentration according to claim 1, characterized in that: The control combination (7) comprises a driving pulley (71), a transmission belt (72), a driven pulley (73) and a control motor (74), the driven pulley (73) is fixedly sleeved on the connecting sleeve (21), the control motor (74) is fixedly arranged on the support (3) and the output shaft thereof is fixedly connected with the driving pulley (71), and the driving pulley (71) is connected with the driven pulley (73) through the transmission belt (72).

5. The constant temperature drying and separating equipment for tea polyphenol concentration according to claim 1, characterized in that: The discharging device (6) comprises a discharging pipe (61), a plug disc (62) and an electric push rod (63), the discharging pipe (61) is fixedly arranged at the middle of the bottom end of the drying cylinder (2), the plug disc (62) is sleeved in the discharging pipe (61) and is in a sliding separable fit, and the electric push rod (63) is fixedly arranged on the base (1) and the output shaft thereof is rotationally connected with one side of the plug disc (62).

6. The thermostatic drying and separating device for tea polyphenol concentration according to claim 1, characterized in that: One end of the connecting table (4) is fixedly connected with a scraper (103) abutting against the upper part of the inner wall of the drying cylinder (2).

7. The thermostatic drying and separating device for tea polyphenol concentration according to claim 1, characterized in that: The top of the base (1) is fixedly connected with a load ring (11) for rolling supporting the outer wall of the drying cylinder (2). The top of the base (1) is fixedly connected with a load ring (11) for rolling supporting the outer wall of the drying cylinder (2).

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