233results about How to "Reduce the number of devices" patented technology

The invention relates to a high-yield microalgae cultivating method. The method comprises a step of carrying out heterotrophic cultivation on microalgae algae species and a step of carrying out photoautotrophic cultivation by using algae cells obtained by heterotrophic cultivation as seeds. For the microalgae capable of growing heterotrophically, due to the adoption of the method, the advantage that the algae cells grow rapidly in the heterotrophic phase of the microalgae can be sufficiently played, not only a great amount of algae species can be provided in time for large scale photoautotrophic cultivation of the microalgae, but also the photoautotrophic growth of the microalgae and a forming rate of target products (such as oil, proteins and the like) can be quickened. An important technical means is provided for solving the problems of long algae specie spreading cultivation period, low cell growing speed and low yield of the target products in the large scale photoautotrophic cultivation process of the microalgae.

The invention discloses an exoskeleton robot system for reloading batteries of an electric vehicle. The exoskeleton robot system comprises a wearer motion information acquisition module, a wearer motion signal analysis processing module, an exoskeleton robot control module and an exoskeleton robot mechanical structure module, wherein the wearer motion information acquisition module transmits an acquired wearer EEG (electroencephalogram) signal to the wearer motion signal analysis processing module; the wearer motion signal analysis processing module carries out analysis processing on the wearer EEG signal so as to recognize a motion intention of a wearer, converts the EEG signal into a motion signal and transmits the motion signal to the exoskeleton robot control module; and the exoskeleton robot control module receives the motion signal and can control the exoskeleton robot mechanical structure module to move according to the motion signal. The system provided by the invention is a man-machine integrated mechanical power system closely linked with people, can provide protection, additional power and capability for people, can strengthen human performance, and can enable manipulators to easily finish a challenge task.

The invention relates to a method and a system for preparing high purity gas by a rectification method. According to the method disclosed by the invention, a target gas raw material is firstly processed by a light component removal tower to remove light component impurities and then is processed by a heavy component removal tower to remove heavy component impurities; obtained purified gas is compressed into compressed gas; the compressed gas is at least divided into two parts which are respectively used as heat sources of a tower kettle reboiler of the light component removal tower and a tower kettle reboiler of the heavy component removal tower; the two parts of compressed gas are condensated into liquid to be converged and stored; the stored liquid is divided into three parts; two parts of the stored liquid are respectively used as a cooling medium of a tower top condenser of the light component removal tower and reflux of the heavy component removal tower after being respectively subjected to throttling expansion; and the third part of the stored liquid is recovered as a product. The system disclosed by the invention comprises the light component removal tower, the tower top condenser of the light component removal tower, the heavy component removal tower, a compressor, the tower kettle reboiler of the light component removal tower, the tower kettle reboiler of the heavy component removal tower, a liquid storage tank and a connecting pipeline. The method and the system which are disclosed by the invention have the advantages that equipment is simple; energy is saved; the method and the system are flexible to operate and have wide application; the system is easy to maintain; and the method and the system have few requirements on public works.

The invention provides an edge-based federated learning model cleaning and equipment clustering method, system and equipment and a readable storage medium. The method comprises the steps of carrying out the clustering of equipment according to the addresses of local area networks where the equipment is located, and deploying a mobile edge node server in each local area network, enabling the terminal equipment participating in training to receive the global model sent by the cloud and performing training on the local data to obtain a local updating model, calculating cosine similarity between the locally updated model parameter and the global model parameter of the terminal equipment, judging whether the cosine similarity is greater than a set threshold value or not, and if the cosine similarity is greater than the set threshold value, transmitting the locally updated model to a mobile edge node server to participate in edge aggregation to obtain a cluster model, and sending the clustermodel of the local area network to the cloud to participate in global aggregation to obtain a global aggregation model. According to the method provided by the invention, the federated learning communication efficiency can be improved under the conditions of reducing unnecessary communication overhead and avoiding transmission delay caused by high concurrent access of the server.

The invention discloses a multi-energy information interaction device applicable to a comprehensive energy source system. The multi-energy information interaction device supports multiple communication modes and communication protocols and can perform data acquisition and corresponding control on various distributed energy sources, intelligent instruments and moving ring equipment, and the interaction device has storage and localization coordination control functions and can analyze operating states and trends of energy source equipment as well as energy consumption information of a combined area and optimize a system operation mode. Meanwhile, the interaction device can upload the information to a superior master station, support and receive various strategies and instructions sent by thesuperior master station, generate a corresponding control sequence according to the strategies and instructions and realize automatic control on the distributed energy sources. The multi-energy information interaction device disclosed by the invention can realize data acquisition and interaction on multiple energy sources in the comprehensive energy source system, realize local coordination control on a multi-energy system, support and receive a master station download control strategy and perform control on related equipment, and equipment quantity and complexity of an access system are reduced, so that system debugging efficiency is improved, and support is provided for coordinated and optimized operation of the comprehensive energy source system.

The invention relates to a wet-type smoke desulphurization and denitrification integrated system and method. The system comprises a draught fan and a desulphurization and denitrification tower, wherein the bottom of the desulphurization and denitrification tower is provided with a water washing section, the middle part of the desulphurization and denitrification tower is provided with a desulphurization section, and the upper part of the desulphurization and denitrification tower is provided with a denitrification section; a first spraying pipe of the water washing section is connected with a water circulating system; a second spraying pipe of the desulphurization section is connected with a desulphurization liquid circulating system; a third spraying pipe of the denitrification section is connected with a denitrification liquid circulating system; the top of the desulphurization and denitrification tower is provided with a mist catcher, and is connected with a heat exchanger through a pipeline. The method comprises the steps of sending smoke subjected to heat exchange into the water washing section through the draught fan, cooling the smoke by enabling the smoke to be in contact with washing water in a countercurrent manner, and then placing the smoke into the desulphurization section for desulphurization by enabling the smoke to be in contact with sprayed desulphurization liquid in a countercurrent direction; and placing the smoke into the denitrification section for denitrification by enabling the smoke to be in contact with sprayed denitrification liquid in a countercurrent manner, removing liquid drops of the denitrified smoke through the mist catcher, sending the smoke to the heat exchanger, and discharging the purified smoke into the atmosphere through a chimney via a flue.

The invention discloses a technology for producing barium chloride by the witherite containing barium carbonate, which mainly comprises steps as follows: sulfur iron impurities are decomposed and oxidated to remove and the hydrated barium salt raw material liquid is prepared; the raw material liquid is electrically heated and concentrated in vacuum, which is driven by an axial flow pump, the solute is thermally crystallized to form the hydrated barium chloride dihydrate saturated crystalline; the crystallized hydrate is cooled to produce the serial barium salt products, wherein the vacuum heating condensation crystallization is a continuous production process; the whole technological process is implemented in the closed state; the by-products could be recycled; the crystallisation processis completed at one time and the production process is continuous. The products manufactured in the technological process has low impurity content, saves energy, is adaptive to the large-scale industrialization production and reduces the pollution and resource waste to a large extent.

The present invention discloses a production method for preparing acetic acid through carbonylation of methanol. According to the method, the gas phase portion on the top portion of the reaction kettle is directly conveyed into the flash evaporation tower. With application of the method to carry out carbonylation on methanol so as to produce the acetic acid, the CO conversion rate is 95%, the process can be simplified, and the equipment investment can be reduced.

The invention relates to the technical field of the internet of things and discloses a method and an apparatus used for an intelligent home system, and the intelligent home system. The method comprises the steps of collecting fingerprint information; judging whether the collected fingerprint information is matched with at least one piece of fingerprint information in pre-stored fingerprint information or not; and when the collected fingerprint information is matched with the at least one piece of fingerprint information, enabling scene configuration corresponding to the collected fingerprint information, wherein the scene configuration is associated with operations of one or more intelligent home devices in the intelligent home system. The apparatus comprises a triggering device and a processor. The intelligent home system comprises the apparatus used for the intelligent home system. According to the method, the apparatus and the intelligent home system, different users can enable the scene configurations corresponding to the users by using a same set of the home device to meet usage requirements of the users; humanization and customization are realized; a device quantity is reduced; and the installation cost is reduced.

The invention relates to a method for preparing a copper selenide nanometer material in the technical field of nanometer composite materials, which comprises the following steps: preparing sodium selenosulfate solution; preparing copper ion protein mixed liquor; preparing selenium-copper protein mixed liquor; performing centrifugal treatment; and performing vacuum drying treatment to finally prepare copper selenide nanometer worms. The method has the advantages of simple and novel process, small quantity of devices, low energy consumption, environmental friendliness and convenient popularization, and the copper selenide nanometer material prepared by the method has a worm shape.

Power flow controllers based on Imputed DC Link (IDCL) cells are provided. The IDCL cell is a self-contained power electronic building block (PEBB). The IDCL cell may be stacked in series and parallel to achieve power flow control at higher voltage and current levels. Each IDCL cell may comprise a gate drive, a voltage sharing module, and a thermal management component in order to facilitate easy integration of the cell into a variety of applications. By providing direct AC conversion, the IDCL cell based AC / AC converters reduce device count, eliminate the use of electrolytic capacitors that have life and reliability issues, and improve system efficiency compared with similarly rated back-to-back inverter system.

The present invention belongs to the data acquisition field, in particular to a multifunctional data acquisition card and a measurement method. The multifunctional data acquisition card provided by the present invention comprises a communication interface circuit (1), a microcontroller (2), an analog-digital converter (3), a programmable amplifier (4), a measurement type switching module (5) and an input selection relay module (6). The multifunctional data acquisition card of the present invention acquires the types of the data, such as the voltages, the currents, the thermal resistance, the thermocouple, the resistance bridge type pressure sensor signals, etc., by switching the electronic switches, and the microcontroller is set to carry out the logic control, so that various types of data is acquired on a single data acquisition card, and the number of the devices applied by a related measurement system and the cost are reduced. According to the present invention, a relay is arrangedon the data acquisition card and is used to select whether a currently accessed measurement signal is a to-be-measured signal or a calibration signal, thereby realizing an online calibration function.

The invention discloses a multi-source multi-current system electric locomotive traction transmission system topology based on vehicle-mounted hybrid energy storage, which comprises a traction load part and a traction electric energy input part which are coupled through a direct current link; the traction electric energy input part comprises an alternating current traction network, a direct current traction network and a vehicle-mounted hybrid energy storage system, a traction transformer low-voltage side winding in a topological structure of an alternating current power supply system is reused as a direct current advection reactor in the direct current power supply system, and a grid-side rectifier and a secondary filtering branch in the topological structure of the alternating current power supply system are reused as a DC / DC chopper in the direct current power supply system, so that the voltage of a direct current link is stable and controllable in any power supply system, the number of devices of the multi-source multi-current system electric locomotive traction transmission system topology is reduced, the size and the weight are further reduced, and the cost is saved; in addition, the defects that a traditional multi-current traction transmission system is single in energy transmission mode and low in transportation efficiency are overcome, the fault ride-through capacity of the system is enhanced, and reliability is improved.

The invention relates to an operation method of an electrostatic field oil-water separation system. The electrostatic field oil-water separation system comprises an oil-water separation tank, a support, a press machine, a transformer, a degassed oil input port, an anode electrode plate, an annular cathode electrode plate, an oil outlet, an oil pumping pump, an upper pressure sensor, an upper dielectric constant sensor, an oil mud outlet, an oil mud pumping pump, a lower pressure sensor, a lower dielectric constant sensor, a control cabinet, an adapter module and a central computer. The operation method of the electrostatic field oil-water separation system has the advantages that the problems that crude oil dehydration rate is low, massive oil is contained in discharged water and energy consumption is high are solved, so that space of an electrostatic field is expanded, dehydration time of crude oil in the electrostatic field is shortened, dehydration efficiency is effectively improved, operation power consumption is reduced, production cost is reduced, energy conservation and environmental protection are achieved, height of an emulsion layer is effectively reduced, oil contained in the discharged water is reduced, sewage treatment cost and environmental protection pressure are reduced, structure is simple, operation is convenient, design thought is simple, an electrostatic field separation effect is good, and the operation method of the electrostatic field oil-water separation system is applicable to popularization and application.

The invention relates to a crushing water washing drum sorting machine and relates to a crushing sorting machine which comprises a crushing drum, a screening drum and a base, wherein a crushing plate is arranged on the inner wall of the crushing drum, the front end of the outer wall of the crushing drum is sleeved by a front rolling ring, the rear end of the outer wall of the crushing drum is sleeved by a rear rolling ring, a part, close to the middle position, of the outer wall is sleeved by a driven gear fixedly relative to the outer wall of the crushing drum, the front rolling ring and the rear rolling ring are used for enabling the crushing drum to be placed on a front carrier roller and a rear carrier roller on the base integrally, the screening drum is fixedly connected to the rear part of the crushing drum, screen holes uniformly distributed are formed in the drum wall of the screening drum, a motor and a driving gear connected with the output shaft of the motor are further arranged on the base, the driving gear is meshed with the driven gear on the outer wall of the crushing drum, and a water sprayer capable of spraying water into the crushing drum is arranged on the front side of the crushing drum. Due to the adoption of the crushing water washing drum sorting machine provided by the invention, crushing, cleaning and sorting operations can be performed simultaneously, the working efficiency is improved effectively, and equipment quantity and equipment manufacturing cost can be reduced.

The invention discloses a steel containment energy control system. The steel containment energy control system comprises a suppression pool, a submerging pool and at least one head water tank, wherein the suppression pool is arranged in a containment and communicated with the internal space of the containment; the suppression pool is filled with cooling water for suppressing the rise of pressure in the containment; the containment is held in the submerging pool; the head water tank is arranged above the submerging pool and communicated with the submerging pool; the head water tank is used for injecting cooling water into the submerging pool; the submerging pool is used for guiding heat in the containment into the air space. In the case of an accident, the mixture of steam and air in the containment goes into the suppression pool due to differential pressure and is cooled, and therefore, the rise of pressure in the containment is quickly suppressed; the steam in the containment is condensed on the inner wall of the containment, heat is transferred to the cooling water outside the containment via the wall of the containment, and the heat is discharged to the final hot trap of the air space by consuming water. The heat in a reactor core and the containment can be discharged in a completely passive way in the whole process after the accident.

The invention belongs to the field of intelligent cities and intelligent traffic, and in particular to an electronic traffic yellow line system based on the lane guiding technology, simply referred asan electronic traffic yellow line system. The system integrates intelligent management of changeable lanes and automatic capturing of illegal line changing, and is applied to an intelligent traffic management scenario. The system herein can address problems of current systems, like scattered devices, high installation cost, complex engineering and single function. The main structure of the systemincludes an intelligent road guiding apparatus, a first sensor, a wireless communication module and an intelligent city big data center. The intelligent road guiding apparatus transmits illegal vehicle information that is captured to the wireless communication module in a wireless communication method. The wireless communication module transmits the illegal vehicle information to the intelligentcity big data center and saves and analyzes the illegal vehicle information. A plan is formulated and is feedbacked to the intelligent road guiding apparatus through the wireless communication modulefor further implementation. The system has the characteristics of reliable theories, higher road usage and passing rate, simple installation, higher construction efficiency, reduced engineering cost,excellent economic benefits and wide marketing potential.

The invention discloses a hemodiaysis device for the nephrology department and a control method of the hemodialysis device. The hemodiaysis device for the nephrology department comprises a body temperature detection module, a blood pressure monitoring, a pulse monitoring module, a master control module, a power module, a dialysis data processing module, an alarm module and a display module. Operation is carried out step by step according to a configured work flow by the dialysis data processing module, and is kept consistent with practical clinics to form a complete data link; data is displayed visually, and use is convenient; historical dialysis data of the patient is displayed in a point-line form, flow nodes are arranged to execute a display window, and a medical staff can use the dialysis state at any time; and at the same time, the alarm module can provide detailed alarm codes, processing flow information and emergency plan information timely, medical staff can be guided and handle alarming of a hemodialysis machine, and the medical safety is ensured.

This invention invention relates to a visual phone device including: a signal access module sending and receiving TV signals and visual phone signals, a signal process module for processing TV signals and visual phone signals, an information display module outputting the processed TV and visual phone signals to a video display device and an audio output device and a service logic applied program module finishing their functions by the access module, the signal process mode and information display mode, in which, the working mode can be controlled by the control instruction and said module can execute the mode corresponding to the set working mode.

The invention provides a multifunctional data acquisition card, which comprises a plurality of data acquisition modules, a logic control module and a bus bridge module. The data acquisition modules are respectively used for acquisition and / or output of different types of data of a system to be measured; the logic control module is connected with the data acquisition modules and is used for logic control on the data acquisition modules; and the bus bridge module is connected with the logic control module and is used for realizing communication between the logic control module and an upper computer bus. By adopting the multifunctional data acquisition card, multiple functions for acquisition of various types of data can be realized on a single data acquisition card, the number of devices applied in a relevant measuring system can be reduced, the slot space of the measuring system can be saved, and the cost can be reduced.

The invention relates to equipment and a method for separating reformed oil. The method comprises the following steps of: separating three components, namely C5, C6-C7 and C8<+> in the reformed oil by using a bulkhead rectification column; adding the reformed oil prepared in a reforming device from a rectifying section of a feeding part and the middle part of a stripping section of the feeding part into the bulkhead rectification column; cooling the C5 component on the top of the column by using a condenser, and adding the cooled C5 component into a reflux tank, wherein a liquid phase at the bottom of the reflux tank is partially used as a C5 component product, and the rest liquid phase is used as back flow and flows back to a shared rectifying section on the upper part of the bulkhead rectification column; performing gas-phase side-line extraction on the C6-C7 component from a rectifying section of an extraction part of a side line product and the middle plate of a stripping section on the extraction part of the side line product; and performing condensation cooling and then feeding to an aromatics extraction device, wherein the C8<+> component is arranged at the bottom of the column. The feeding pressure is 0.5MPa (g), the operation pressure of the bulkhead rectification column is 0.4MPa (g), the energy consumption is low, the purity of the C6-C7 component can reach 99.7 percent, floor space is reduced by 40 percent, and the total investment on the equipment is saved by 20 percent.

The invention provides LTE (Long Term Evolution) network equipment, which comprises a software platform, a transmission unit and a service processing unit, wherein the software platform is used for providing software support for the service processing unit on a hardware platform, driving and configuring the hardware platform and the service processing unit, and adapting hardware to the service processing unit according to the hardware platform; the transmission unit is used for providing transmission interfaces for the service processing unit of the LTE network equipment and other equipment on the software platform; and the service processing unit is used for realizing an access layer processing function and / or non-access layer processing function on the software platform. By adopting the LTE network equipment provided by the invention, costs of an LTE system can be saved.

The invention relates to a full liquefying separation process for an air-containing coal bed gas. In the process, equipment comprising a bilayer alkoxide separation tower and a nitrogen separation tower performs full liquefying separation on the air-containing coal bed gas, wherein the bilayer alkoxide separation tower comprises an upper tower and a lower tower; and a condensing evaporator is arranged between the upper tower and the lower tower. The process comprises the following steps of: introducing the air-containing coal bed gas into the lower tower after the coal bed gas is compressed and purified; condensing hydrocarbon into liquid to fall on the bottom of the lower tower through the heating of the bottom of the lower tower and condensation of the condensing evaporator to obtain liquefied natural gas; allowing the hydrocarbon-separated gas to rise to the top of the lower tower, to enter the top of the upper tower after throttling and to enter the nitrogen separation tower through the outlet on the top of the upper tower, or allowing the gas to enter the middle part of the nitrogen separation tower after throttling, wherein oxygen is condensed to liquefied oxygen on the top of the nitrogen separation tower, the liquefied oxygen returns to the bottom of the nitrogen separation tower, leaves from the outlet at the bottom of the nitrogen separation tower, returns to the top of the upper tower, and is output from the bottom of the upper tower; and outputting the nitrogen from the outlet of the top of the nitrogen separation tower, and cooling the nitrogen into liquefied nitrogen.

The present invention relates to a multipath FC business long distance transmission method based on an FPGA, and a multipath FC business long distance transmission device based on the FPGA. When the FC businesses are in long-distance transmission between the locality and a far end, a local response strategy mechanism is used to substitute for a far-end response strategy mechanism, and the FC data frames of DDR2 cache transmission are used to carry out the time sharing storage of the multichannel businesses. The method and the device of the present invention enable the multipath FC businesses to realize the long distance redundancy of more than 3000 KM while not losing the transmission speed, and enable the device transmission bandwidth to be improved to more than 95%; the method and the device of the present invention do not depend on the types of the devices, and can realize the interconnection and tests with the devices of different manufacturers as long as the devices provide the FC1G / 2G ports, and the functions of the ports are normal, and under the premise of rate matching; the device and the method of the present invention can match a wavelength division multiplex system to be widely used in the bank, insurance and enterprise data storage backup systems, enable the efficiency of the devices to be improved effectively, and the number of the device terminals of the operators and the power consumption to be reduced, and realize the energy saving and emission reduction.

The invention relates to a converter primary flue gas dry dedusting and cinder pneumatic transmission system. The system comprises an evaporative cooling tower (1), a cinder discharge pipe (4), a bin pump (10), a pneumatic transmission pipe (17) and a cinder bin (18) which are sequentially connected, wherein a rapping device (2) and a charge level indicator (3) are arranged in the evaporative cooling tower (1); the pneumatic transmission pipe (17) is connected with a gas storage tank (14); the inlet of the gas storage tank (14) is connected with a first nitrogen gas pipe (13); the inlet of the first nitrogen gas pipe (13) is connected with a nitrogen gas main pipe; and the bin pump (10) is connected with the cinder bin (18) through the pneumatic transmission pipe (17). According to the invention, cinders can be transported by a common cinder transport truck, thereby greatly reducing the investment and saving the cost. Meanwhile, the invention reduces the equipment quantity and equipment maintenance amount, solves the problem that the height of the evaporative cooling tower is limited during dry dedusting reconstruction, is especially suitable for a project of reconstructing converter primary flue gas wet dedusting into dry dedusting, and has wide application prospects.

The invention relates to a treatment process of oil-containing sludge, and is especially applicable to the oil-containing sludge produced in a wastewater treatment course of an oil refinery. The treatment process comprises the following steps: centrifugally dehydrated oil-containing sludge is subjected to a physical squeezing method to destroy a water, oil and solid stabilizing system of the oil-containing sludge, a material generated after squeezing is subjected to solvent extraction treatment, the extracted material is subjected to solid-liquid separation, the separated liquid phase is sent into a delayed coking device, a solid phase obtained after separation and drying can be used as agricultural sludge after mixing combustion with fuel coal, and wastewater generated in the procedure reaches standards after biochemical treatment and is discharged. The treatment process is mainly characterized in that the sludge treatment process has short procedures, low energy consumption, good extraction effect, mild operation conditions, good oil sludge treatment effect, and simple equipment operation and maintenance.

The invention relates to a bipolar flexible direct current network neutral line transfer switch configuration system and a conversion method, comprising a positive neutral line circuit, a neutral busswitch is arranged in the positive neutral circuit of the fast neutral ground switch, a neutral bus switch is arranged in the negative neutral circuit of the fast neutral grounding switch, and the fast neutral grounding switch is used for ensuring the normal operation of the non-fault electrode by transferring the load current or the fault current to the metal return line so as to realize the single-pole planned maintenance or fault removal; a metal loop switch and a metal loop switch are respectively arrange in that metal loop circuit of the two fast neutral line grounding switch, and the metal loop switch of the fast neutral line grounding switch is use for cutting and putting the metal loop; a fast neutral grounding switch is arranged next to the grounding resistance in the grounding branch of the fast neutral grounding switch, and the fast neutral grounding switch is used for on-line replacement of the grounding station.

The invention discloses a heavy oil hydrogenation method. According to the present invention, a boiling bed and fixed bed online hydrogenation combination process is used, wherein the light oil obtained through hydrogenation with the boiling bed directly enters the fixed bed reactor so as to be subjected to the hydrogenation reaction without the cooling pressure reducing and fractionation process,such that the disadvantage that the conventional offline hydrogenation combination process sequentially comprises carrying out pressure reducing separation on the product and carrying out pressure increase and temperature increase hydrogenation so as to cause the complex process is avoided, the number of the equipment in the process is reduced, and the energy loss is reduced; and the method further has advantages of high light oil yield, low catalyst consumption, reasonable energy utilization and low equipment energy consumption.

The invention discloses an automatic production line for a green tea. The automatic production line comprises a fixation machine, wherein a fixation machine is connected with a baking machine through a first hoisting machine, and the baking machine is connected with a rolling machine set through a second hoisting machine; a conveying trough is formed under the rolling machine set, and is connected with a vibration conveyor through a third hoisting machine; the vibration conveyor is connected with a multi-functional machine, and the multi-functional machine is connected with a drying machine through a fourth hoisting machine. The automatic production line for the green tea, disclosed by the invention, has the advantages that tea leaves do not have residues when being rolled, the tea leaves cannot splash out, the processing noise is small, and the rolling efficiency is high; when the rolled tea leaves are deblocked, the tea leaves are not broken, and the shapes of the tea leaves are good; the multi-functional machine in the production line also has the advantages that the multi-functional machine can realize multiple functions, reduces the production equipment of the production line, and reduces the mounting cost of the production line.