A tea cleaning production line

Abstract

The utility model discloses a tea cleaning production line, which consists of seven sections: uniform stacking, diversion, air separation, electrostatic impurity removal, color selection, manual re-inspection and packaging; the uniform stacking section includes a mixing conveyor belt, multiple feeding conveyors arranged on both sides of the mixing conveyor belt, and a primary conveyor connected to the discharge port of the mixing conveyor belt; the diversion section includes a feeding conveyor connected to the primary conveyor, an electromagnetic vibrating feeder arranged below the discharge bin of the feeding conveyor, a double-port conveyor connected to the electromagnetic vibrating feeder, a double-channel vibrating feeder arranged below the two discharge channels of the double-port conveyor, an inclined port conveyor and a secondary conveyor; the air separation section includes an air separator connected to the secondary conveyor and a third-level conveyor connected to the air separator; the electrostatic impurity removal section includes an electrostatic impurity remover. The utility model can effectively control dust in production and improve the efficiency and quality of tea processing.

Description

Technical Field

[0001] The utility model belongs to the technical field of tea processing, and in particular relates to a tea cleaning production line. Background Art

[0002] Tea is a processed value-added product, and tea refining is a crucial step in tea processing. It is a systematic process that aims to improve the quality, taste and appearance of tea. A standardized tea production line not only reduces the loss of tea during processing, but also greatly improves production efficiency.

[0003] However, a large amount of organic dust is generated during tea processing. The characteristics of dust include small particle size, flammability and adsorption. Most of the dust particles are smaller than 5 microns and are easily inhaled by the human body, causing damage to the respiratory system and the environment. At present, there is a problem of poor dust removal effect in tea processing equipment, which has forced factories to rely on more primitive protective measures, such as requiring workers to wear masks and use protective shields. Although these measures can reduce workers' direct inhalation of dust to a certain extent, they cannot fundamentally solve the problem of dust particle diffusion and treatment, nor can they effectively control the impact of dust on the environment. Summary of the invention

[0004] The purpose of the utility model is to provide a tea cleaning production line to solve the problem of poor dust removal effect of existing tea processing equipment, thereby improving production efficiency while achieving clean production.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a tea cleaning production line, which consists of seven sections: uniform stacking, diversion, air separation, electrostatic impurity removal, color sorting, manual re-inspection and packaging;

[0006] The stacking section includes a mixing conveyor belt, multiple feeding conveyors arranged on both sides of the mixing conveyor belt, and a primary conveyor connected to the discharging port of the mixing conveyor belt. The discharging port of the mixing conveyor belt is provided with mixing rake teeth. The stacking section is provided with a dust removal system. The dust removal system includes a dust collector and a dust removal pipeline connected to the dust collector. The other end of the dust removal pipeline is arranged at the feeding port of the feeding conveyor.

[0007] The diversion section includes a feed conveyor connected to the primary conveyor, an electromagnetic vibrating feeder arranged below the discharge bin of the feed conveyor, a double-port conveyor connected to the electromagnetic vibrating feeder, a double-channel vibrating feeder arranged below the two discharge channels of the double-port conveyor, an inclined-port conveyor, and a secondary conveyor; an inclined-port conveyor is provided below each of the two discharge ports of the double-channel vibrating feeder, and the discharge port of the inclined-port conveyor is connected to the secondary conveyor;

[0008] The air separation section includes an air separator connected to the secondary conveyor and a tertiary conveyor connected to the air separator; the air separation section is provided with a dust removal system, and the dust removal pipeline of the dust removal system is connected to the air separator;

[0009] The electrostatic impurity removal section includes an electrostatic impurity remover, which is connected to a three-stage conveyor; the electrostatic impurity removal section is equipped with a dust removal system;

[0010] The color sorting section includes a first-stage vibrating feeder and a color sorter connected to the first-stage vibrating feeder. The first-stage vibrating feeder is connected to an electrostatic impurity remover. The color sorting section is equipped with a dust removal system.

[0011] The manual re-inspection section includes a four-stage conveyor connected to the color sorter, a two-stage vibrating feeder connected to the four-stage conveyor, and a manual re-inspection belt connected to the two-stage vibrating feeder; the materials brought out by the manual re-inspection belt are transported to the turnover area;

[0012] The packaging section includes a combination scale and a packaging device. The materials in the turnover area are transported to the combination scale and then packaged by the packaging device.

[0013] Furthermore, in the diversion section, the discharge bin of the feed conveyor is an independent double-channel discharge bin, and an electromagnetic vibrating feeder is provided under each discharge bin. Each electromagnetic vibrating feeder is connected to a double-port conveyor, a double-channel vibrating feeder, an inclined port conveyor and a secondary conveyor, and is provided with corresponding air separation, electrostatic impurity removal, color sorting and manual re-inspection sections.

[0014] Furthermore, it also includes a dust monitoring module and a PLC control system connected to the dust monitoring module signal, and the PLC control system is connected to the dust removal system signal.

[0015] Furthermore, the dust removal system in the stacking section and the electrostatic impurity removal section also includes a dust hood, which is connected to the dust collector through a dust removal pipe; the dust hood in the stacking section is arranged above the mixing conveyor belt, and the dust hood in the electrostatic impurity removal section is arranged above the electrostatic impurity remover.

[0016] The utility model configures dust removal systems in the pile leveling section, air selection section, electrostatic impurity removal section and color sorting section, thereby effectively controlling dust in production, efficiently converting the tea flow from a single path into four independent paths, significantly improving the efficiency and quality of tea processing, and ensuring the consistency and reliability of tea products, meeting the market demand for high-quality tea. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the process of the utility model;

[0019] Figure 3 This is a top view of the new practical packaging section;

[0020] Figure 4 This is a side view of the new practical packaging section. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are now described with reference to the accompanying drawings. It will be understood by those skilled in the art that the following embodiments are only used to illustrate the present invention and should not be considered as limiting the scope of the present invention. If no specific technology, connection relationship or condition is indicated in the embodiments, the technology, connection relationship, condition described in the literature in the field or the product specification is used. If the manufacturer of the materials, instruments or equipment used is not indicated, they are all conventional products that can be purchased.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "provided with" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention will be understood according to specific circumstances.

[0023] Combination Figure 1-Figure 4 As shown, the tea cleaning production line provided by the utility model is composed of seven sections: uniform stacking, flow diversion, air separation, electrostatic impurity removal, color sorting, manual re-inspection and packaging;

[0024] In the pile leveling section, tea leaves of different qualities are evenly spread and blended, which includes a mixing conveyor belt 3, multiple loading conveyors 2 arranged on both sides of the mixing conveyor belt 3, and a primary conveyor 4 connected to the discharge port of the mixing conveyor belt 3, and a mixing rake is arranged at the discharge port end of the mixing conveyor belt 3; the pile leveling section is provided with a dust removal system 1, the dust removal system 1 includes a dust collector 101 and a dust removal pipeline 102 connected to the dust collector 101, and the other end of the dust removal pipeline 102 is arranged at the feeding port of the loading conveyor 2; the discharge port of the loading conveyor is set to an oblique step type, and each loading conveyor is equipped with a leaf leveling roller;

[0025] The diversion section includes a feed conveyor 5 connected to the primary conveyor 4, an electromagnetic vibrating feeder 6 arranged below the discharge bin of the feed conveyor 5, a double-port conveyor 7 connected to the electromagnetic vibrating feeder 6, a double-channel vibrating feeder 8 arranged below the two discharge channels of the double-port conveyor 7, an inclined port conveyor 9 and a secondary conveyor 10; an inclined port conveyor 9 is arranged below each of the two discharge ports of the double-channel vibrating feeder 8, and the discharge port of the inclined port conveyor 9 is connected to the secondary conveyor 10; each discharge channel of the double-port conveyor 7 corresponds to a channel of the double-channel vibrating feeder 8 below;

[0026] The air separation section includes an air separator 11 connected to the secondary conveyor 10 and a tertiary conveyor 12 connected to the air separator 11; the air separation section is provided with a dust removal system 1, and the dust removal pipeline 102 of the dust removal system 1 is connected to the air separator 11; the air separator is equipped with a positive pressure centrifugal fan, and an electromagnetic vibrating feeder is arranged at its feed inlet; the tea leaves enter the air separator, and the wind pressure is used to separate the tea leaves from impurities, such as stones and tea stems, and the dust removal device is used to remove fine impurities;

[0027] The electrostatic impurity removal section includes an electrostatic impurity remover 13, which is connected to the three-stage conveyor 12; the electrostatic impurity removal section is provided with a dust removal system 1; in the electrostatic impurity removal section, static electricity is generated by friction between the rubber roller and the felt to further remove fine impurities; the dust removal system 1 in the stacking section and the electrostatic impurity removal section also includes a dust hood 103, which is connected to the dust collector 101 through a dust removal pipe 102; the dust hood 103 in the stacking section is arranged above the mixing conveyor belt 3, and the dust hood 103 in the electrostatic impurity removal section is arranged above the electrostatic impurity remover 13.

[0028] The color sorting section includes a primary vibrating feeder 14 and a color sorter 15 connected to the primary vibrating feeder 14, and the primary vibrating feeder 14 is connected to the electrostatic impurity remover 13; the color sorting section is provided with a dust removal system 1; the color sorter uses photoelectric technology to automatically sort out unqualified products to ensure consistent color;

[0029] The manual re-inspection section performs a final inspection on the tea leaves, which includes a four-stage conveyor 16 connected to the color sorter 15, a two-stage vibrating feeder 17 connected to the four-stage conveyor 16, and a manual re-inspection belt 18 connected to the two-stage vibrating feeder 17; the materials coming out of the manual re-inspection belt 18 are transported to the turnover area. In the utility model, the first to fourth stage conveyors are designed as lifting conveyors with rake teeth, aiming to improve the material spreading efficiency;

[0030] The packaging section includes a combination scale 19 and a packaging device 20. The materials in the turnover area are transported to the combination scale 19 and then packaged by the packaging device 20.

[0031] To further optimize the solution, in the diversion section, the discharge bin of the feed conveyor 5 is an independent double-channel discharge bin, and an electromagnetic vibrating feeder 6 is provided under each discharge bin, and each electromagnetic vibrating feeder 6 is connected to a double-port conveyor 7, a double-channel vibrating feeder 8, an inclined-port conveyor 9 and a secondary conveyor 10, and is provided with corresponding air separation, electrostatic impurity removal, color sorting and manual re-inspection sections; in the diversion section, the tea leaves are diverted at the first level under the action of the feed conveyor 5 and the electromagnetic vibrating feeder 6, and the double-port conveyor 7 and the double-channel vibrating feeder 8 further complete the secondary diversion, and the tea flow is converted into four independent paths.

[0032] To further optimize the solution, the utility model also includes a dust monitoring module and a PLC control system connected to the dust monitoring module signal, and the PLC control system is connected to the dust removal system 1 signal; the utility model configures the dust monitoring module in the workshop, the dust monitoring module inputs the detection signal to the PLC control system, and the PLC control system reduces the dust concentration in the workshop by controlling the fan speed of the dust removal device; the dust monitoring module is arranged in the workshop 1.5-2m above the ground, between the electrostatic impurity remover and the color sorter.

[0033] After the material preparation is completed, the tea leaves enter the pile-evening section, and multiple feeding conveyors spread tea leaves of different qualities on the mixing conveyor belt in a uniform and layered manner. Mixing rake teeth are arranged at the discharge port end of the mixing conveyor belt to achieve the blending of tea leaves of various qualities; then, the tea leaves enter the diversion section via the primary conveyor, and the diversion and transportation are completed by the feeding conveyor, the electromagnetic vibrating feeder, the double-port conveyor, the double-channel vibrating feeder, and the inclined-port conveyor, wherein the feeding conveyor and the electromagnetic vibrating feeder realize the primary diversion, and the double-port conveyor and the double-channel vibrating feeder further complete the secondary diversion, efficiently converting the tea flow from a single path into four independent paths; then, the tea leaves enter the electromagnetic vibrating feeder above the air separator via the secondary conveyor, and the wind pressure in the air separator utilizes the difference in the settling speed of the tea leaves and impurities in the air to achieve separation, The stones, tea fruits and tea stems mixed in the tea leaves are removed, and at the same time, a cyclone dust removal device or a pulse bag dust removal device is used to remove some tea powder, dust, short silk hair, etc. mixed in the tea leaves; the tea leaves after air separation enter the electrostatic impurity removal section through the three-stage conveyor. The electrostatic impurity remover uses the friction between the rubber roller and the felt to generate static electricity to further remove the fine impurities in the tea leaves; the tea leaves after electrostatic impurity removal enter the color sorting section through the first-stage vibrating feeder. The color sorter uses the difference in optical properties and the photoelectric detection technology to automatically sort the yellow leaves and tea stems in the tea leaves to ensure consistent color; then, the tea leaves discharged from the color sorting section are conveyed to the manual re-inspection belt through the fourth-stage conveyor and the second-stage vibrating feeder to complete the manual re-inspection; finally, the tea leaves enter the packaging section through the turnover area, and the packaging is completed using the combination scale and packaging device, and the finished products can be stored or shipped. In addition, dust removal systems are installed in the stacking section, air separation section, electrostatic impurity removal section, and color sorting section, and dust monitoring modules are installed in the production line workshop. The dust monitoring module signal is fed back to the PLC control system of the dust removal device. The PLC control system reduces dust concentration by controlling the working efficiency of the dust removal system.

[0034] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tea cleaning production line, characterized in that: It consists of seven sections: stacking, diversion, air separation, electrostatic impurity removal, color sorting, manual re-inspection and packaging; The homogenizing section comprises a mixing conveyor belt (3), a plurality of loading conveyors (2) arranged on both sides of the mixing conveyor belt (3), and a primary conveyor (4) connected to a material outlet of the mixing conveyor belt (3), and mixing rake teeth are arranged at the material outlet end of the mixing conveyor belt (3); the homogenizing section is provided with a dust removal system (1), and the dust removal system (1) comprises a dust collector (101) and a dust removal pipeline (102) connected to the dust collector (101), and the other end of the dust removal pipeline (102) is arranged at the material inlet of the loading conveyor (2); The diversion section comprises a feed conveyor (5) connected to the primary conveyor (4), an electromagnetic vibrating feeder (6) arranged below the discharge bin of the feed conveyor (5), a double-port conveyor (7) connected to the electromagnetic vibrating feeder (6), a double-channel vibrating feeder (8) arranged below the two discharge channels of the double-port conveyor (7), an inclined-port conveyor (9), and a secondary conveyor (10); an inclined-port conveyor (9) is provided below each of the two discharge ports of the double-channel vibrating feeder (8), and the discharge port of the inclined-port conveyor (9) is connected to the secondary conveyor (10); The air separation section comprises an air separation machine (11) connected to the secondary conveyor (10) and a tertiary conveyor (12) connected to the air separation machine (11); the air separation section is provided with a dust removal system (1), and a dust removal pipeline (102) of the dust removal system (1) is connected to the air separation machine (11); The electrostatic impurity removal section includes an electrostatic impurity remover (13), which is connected to the three-stage conveyor (12); the electrostatic impurity removal section is provided with a dust removal system (1); The color sorting section includes a primary vibrating feeder (14) and a color sorter (15) connected to the primary vibrating feeder (14), and the primary vibrating feeder (14) is connected to an electrostatic impurity remover (13); the color sorting section is provided with a dust removal system (1); The manual re-inspection section includes a four-stage conveyor (16) connected to the color sorter (15), a two-stage vibrating feeder (17) connected to the four-stage conveyor (16), and a manual re-inspection belt (18) connected to the two-stage vibrating feeder (17); the material coming out of the manual re-inspection belt (18) is transported to the turnover area; The packaging section includes a combination scale (19) and a packaging device (20). The materials in the turnover area are transported to the combination scale (19) and then packaged by the packaging device (20).

2. A tea cleaning production line according to claim 1, characterized in that: In the diversion section, the discharge bin of the feed conveyor (5) is an independent double-channel discharge bin, and an electromagnetic vibrating feeder (6) is provided under each discharge bin. Each electromagnetic vibrating feeder (6) is connected to a double-port conveyor (7), a double-channel vibrating feeder (8), an inclined-port conveyor (9) and a secondary conveyor (10), and is provided with corresponding air separation, electrostatic impurity removal, color sorting and manual re-inspection sections.

3. A tea cleaning production line according to claim 1 or 2, characterized in that: It also includes a dust monitoring module and a PLC control system connected to the dust monitoring module signal, and the PLC control system is connected to the dust removal system (1) signal.

4. A tea cleaning production line according to claim 3, characterized in that: The dust removal system (1) in the stacking section and the electrostatic impurity removal section further comprises a dust removal hood (103), which is connected to the dust collector (101) via a dust removal pipeline (102); the dust removal hood (103) in the stacking section is arranged above the mixing conveyor belt (3), and the dust removal hood (103) in the electrostatic impurity removal section is arranged above the electrostatic impurity remover (13).

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