38results about How to "To achieve the purpose of energy saving and high efficiency" patented technology

In order to solve the problems such as heat loss and energy consumption increase caused by the fact that a heat exchanger needs to be additionally mounted at the tail of an existing garbage incinerator flue gas treatment system to increase the temperature of flue gas, the invention provides a two-stage type flue gas cleaning system for a garbage incinerator. The two-stage type flue gas cleaning system is characterized by comprising a sodium bicarbonate dry process deacidifying system, a sodium bicarbonate injection system, a primary bag-type dust collector, a selective catalytic reducer SCR, a lime slurry preparation system, a half-dry type reaction tower (rotary atomizer), an active carbon storage conveying system, an active carbon storage injection system and a secondary bag-type dust collector in sequence according to a flue gas flowing direction. Due to the fact that the selective catalytic reducer SCR is arranged beside the primary bag-type dust collector and in front of the lime slurry preparation system and the half-dry type reaction tower, the temperature of flue gas is not reduced, and the inlet temperature condition of the selective catalytic reducer SCR is fully met, a heat exchanger does not need to be mounted at the front end of the SCR, and the energy loss is reduced.

The invention relates to the technical field of motor manufacture, in particular to a method for manufacturing an amorphous alloy stator iron core of a high-frequency motor. The method comprises the following steps of: sufficiently and uniformly mixing amorphous alloy powder and an adhesive, wherein conventional amorphous alloy powder is used as a raw material of the stator iron core; and putting the amorphous alloy powder mixed with the adhesive in a die for pressure forming, wherein the amorphous alloy powder and the adhesive are mixed by a proportion of (100:5)-(100:20), the adhesive is prepared from insulating materials such as epoxy resin, and the like, the temperature for mixing the amorphous alloy powder and the adhesive is 120-180 DEG C, pressure in the pressure forming process is70-90MPA, and the pressure maintaining time in the pressure forming process is 5-10 minutes. The invention has the advantages of simple and convenient manufacture, good product consistency and stability and benefit to mass production. Eddy-current loss, no-load loss and magnetic hysteresis loss which are caused by the stator iron core are greatly reduced while working under a high frequency, thereby the purposes of energy saving and high efficiency are achieved.

The invention relates to a display provided with an integrated backlight drive board. In the display, a backlight driving chip and an image processing chips provided with pins respectively are arranged in the same plastic package; a metal wire is taken as an external signal transmission flat cable; inputs and outputs of the backlight driving chip and the image processing chip are connected correspondingly so as to form an integrated chip; and the integrated chip is arranged in a mainboard, connected with a digital input interface, an analogue input interface and a differential signal output interface respectively and outputs a driving signal to a backlight driving output interface so as to act on a display panel respectively. Due to the integration of the backlight driving chip and the image processing chip, the aim of saving circuit design is fulfilled and structural cost and occupied space are saved at the same time. When the integrated chip is used, the circuit design of the display can be completed by using one circuit board.

The invention discloses a movable workshop dust purifying device having a dust alarming function. The device comprises a dust suction fan A, an air suction pipe A, a dust suction fan B, an air suction pipe B, a dust suction fan C, an air suction pipe C, a microporous filter net, a filter membrane, a small water storage tank, universal wheels, a brake, a water pump, a water incoming pipeline, a motor, an exhaust pipe, a mist nozzle A, a mist nozzle B, a box, a dust concentration monitoring alarm and a storage battery, the air suction pipe A, the air suction pipe B and the air suction pipe C are respectively connected with the dust suction fan A, the dust suction fan B and the dust suction fan C, the microporous filter net and the filter membrane are arranged at the bottom in the box from the top to bottom, the small water storage tank is arranged in the bottom in the box, one end of the water incoming pipeline is communicated with the small water storage tank while the other end of the same is connected with the mist nozzle A and the mist nozzle B, the water pump is arranged on the water incoming pipeline, and the motor and the universal wheels are mounted on the left side and at the bottom of the box respectively.

The invention relates to a new energy electric vehicle thermal management system and a thermal management method. The new energy electric vehicle thermal management system comprises a refrigerant circulation circuit, a cooling liquid circulation circuit and a battery heating circuit. The refrigerant circulation circuit is composed of a compressor, a condenser, a throttling element and an evaporator connected in sequence. The cooling liquid circulation circuit is composed of a first heat exchanger, a second heat exchanger and a radiating device connected in sequence, and the second heat exchanger and the radiating device are installed inside a heat generating element. The heat radiating device is optionally connected between the outlet end of the second heat exchanger and the inlet end of the first heat exchanger. The heat radiating device comprises an internal heating device and / or an external heat radiating device, and the internal heating device and the external heat radiating deviceare connected in parallel. The heat generating element comprises a battery, a motor and an electric control element. Heat exchange is conducted between cooling liquid in the first heat exchanger andthe refrigerant in the evaporator. The new energy electric vehicle thermal management system is a comprehensive thermal management system, effective thermal management can be conducted on the battery,and the motor and the electric control element on the vehicle at the same time, so that the purposes of energy conservation and high efficiency are realized.

Disclosed are a shield knife disc hydraulic driving system and method in an intelligent variable power control mode. The shield knife disc hydraulic driving system includes a motor, a variable pump and a one-way valve connected with one another in sequence. The one-way valve is connected with an overflow valve and a three-position four-way electro-hydraulic directional valve. The three-position four-way electro-hydraulic directional valve is connected with a constant displacement motor and a shuttle valve. The motor is a three-phase asynchronous motor. An input shaft and an output shaft of themotor are provided with a frequency converter and a first revolution speed transducer. An angular transducer in a swash plate of the variable pump is connected with a variable pump electric controller. A left cavity of a servo plunger piston of the variable pump communicates with a control oil port C1 of a two-position three-way high-speed switch valve. a right cavity of the servo plunger pistoncommunicates with an external pilot pressure oil port R. an oil inlet P1 and an oil returning mouth T1 of the two-position three-way high-speed switch valve communicates with the external pilot pressure oil port R and an oil box correspondingly. A second revolution speed transducer, a torque transducer, a frequency changer on the shield knife disc, an electric controller of the variable pump, a second revolution speed transducer and a pressure sensor of a shuttle valve oil outlet C2 pipe are all connected with a controlling device.

The invention belongs to the technical field of tooth roller type breakers, and particularly relates to a full hydraulic constant-power closed type driving system of a tooth roller type breaker. The system comprises a control module and a hydraulic system, the hydraulic system comprises two sets of main oil paths of the same structure, two sets of control oil paths and one set of oil supplementingoil path, each main oil path comprises a bidirectional variable plunger pump, oil ports A and B of the bidirectional variable plunger pumps are connected with oil ports C and D of hydraulic motors, pressure sensors are mounted on oil paths A and B of the main oil paths, the hydraulic system transmits signals to the control module through the pressure sensors according to the pressure signals generated by running loads, the control module controls a servo variable assembly to act on a servo variable oil cylinder to achieve displacement changes of the bidirectional variable plunger pumps, the hydraulic system works according to a constant power control program set by the control module, the system operates under the constant power, a tooth roller can automatically change the breaking speedand the breaking strength according to the breaking load, and the aims of energy saving and production efficiency improving are achieved.

The invention relates to a real-time detection method and a real-time detection device of mixer truck unloading flowrate. The detection method comprises the following steps: monitoring and acquiring concrete thickness at a distance reference point 1 on a center line of a chute of a mixer truck as well as an included angle between the chute and the horizontal surface in real time; inputting the concrete thickness and the included angle between the chute and the horizontal surface into a controller; arranging a mixer truck unloading flowrate mathematical model in the controller in advance, wherein the mixer truck unloading flowrate mathematical model is related to the concrete thickness, the included angle between the chute and the horizontal surface, as well as an interval between a concrete thickness sensor and a reference point; according to the inputted concrete thickness as well as the included angle between the chute and the horizontal surface, calculating the mixer truck unloading flowrate by the mixer truck unloading flowrate mathematical model; and outputting the mixer truck unloading flowrate from the controller. The method and the device are capable of detecting the mixer truck unloading flowrate in real time; according to the detected flowrate value, a pump truck can be matched with pumping power to achieve an energy-saving effect.

The invention discloses a heat-pump drying room and technology for honeysuckle flowers. The drying room comprises a drying room body; a separating wall is arranged in the drying room body; an axial-flow fan frame is arranged between the separating wall and the inner wall of the drying room body; the inside of the drying room body is divided by the separating wall and the axial-flow fan frame intoa drying room air flue circulating cavity and a heat collection room; the drying room air flue circulating cavity communicates with the heat collection room; and an air-source heat pump is arranged outside the drying room body. According to the drying room and technology, the multi-period and multi-level dehumidification and drying method is adopted, and reserving of the appearances and the drug properties of honeysuckle flowers is guaranteed to the maximum extent.

The invention discloses a soot dust desulfurization and purification device, in particular to a bag type absorption desulfurization and purification device; the technical proposal is that the bag type absorption desulfurization and purification device comprises a reaction tower device, a bag type dust remover and a main fan, which are successively connected by a pipeline, the bag type dust remover is also connected with an automatic spray finishing device for desulfurization agent, the automatic spray finishing device for desulfurization agent comprises an automatic spray finishing tank for the desulfurization agent, a spray finishing tube, a spray finishing connection tube, an automatic adjustment valve, an automatic blanking machine, a pneumatic material feeder and a blower, the automatic spray finishing device for desulfurization agent is arranged to enable the realization of the collision, attachment and chemical reaction of the desulfurization agent with the soot dust which contains sulfur and enters into the bag type dust remover. Under the effect of the external forces of inertial force, electrostatic force, differential pressure force and centrifugal force, etc., the reaction with sulfur dioxide is enhanced, the sulfur dioxide is retained and the desulfurization efficiency is improved.

The invention provides an improved multi-body full-effective composite air-purifying filter screen, which comprises a first filter screen, a second filter screen and a third filter screen which are connected. The first filter screen is filled with active carbon; the second filter screen is filled with a molecular sieve; and the skeleton of a base material in the third filter screen is coated withsilica gel. The multi-body full-effective composite air-purifying filter screen provided by the invention can realize targeted adsorption of common pollution gases in the air, overcomes the defect that a traditional air purifier has a narrow adsorption range of pollution gases, low purification efficiency and high airflow resistance, and has a wide application prospect.

The invention discloses a quick thermal-curing coating baking line. The quick thermal-curing coating baking line comprises a quick dewatering baking line and a curing baking line and specifically comprises a furnace with an inlet and an outlet, self-rotation mechanisms, conveying chains, adjustable lamp holder mechanisms, efficient curing tubes, efficient reflecting lamp shades and controllers. The principle that coating molecules are subjected to resonance by high radiation to further produce friction heat is utilized, and the novel energy-saving environment-friendly quick thermal-curing coating baking line has the advantages that dewatering rate is high (total dewatering can be achieved in 5 minutes), PU (polyurethane) paint (PU paint needs to be totally cured at 60 DEG C in 40-180 minutes by a traditional baking manner) and rubber paint (traditional rubber paint needs to be totally cured at 60 DEG C in 40-180 minutes by a traditional baking manner) can be totally cured at 60 DEG C in 10 minutes, energy consumption is low, drying is even, thermal-sensitive base material can be processed, and heating temperature is convenient to control.

The invention discloses a method for judging freeze drying precooling temperatures of tobacco leaf samples by the aid of eutectic crystal points and eutectic melting points. The method is characterized in that freeze dryers are used as platforms, so that the eutectic crystal points and the eutectic melting points of the fresh tobacco leaf samples in different periods can be measured by the aid of a differential scanning calorimetry (DSC) process, and primary drying temperatures and secondary drying temperatures which are appropriate for fresh tobacco leaf sample freeze drying can be determined. The method has the outstanding advantages that energy-saving and efficient freezing temperatures can be determined on the center of a fresh tobacco leaf vacuum freeze drying process, the appropriate freeze drying process is provided for large quantities of fresh tobacco leaf samples, and accordingly purposes of energy conservation and high efficiency can be achieved.

The invention discloses an engine which comprises a machine body. A rotary space is arranged on the upper end surface of the machine body; a drive space is arranged in a lower end wall of the rotary space; transmission spaces are symmetrically arranged in a left end wall and a right end wall of the drive space; a rotary block is arranged in the rotary space; a smashing space is arranged on the upper end surface of the rotary block; a close cover is connected to the upper end of the rotary space in a screw-thread fit way; a meshing space is arranged in the close cover; a left end wall and a right end wall of the meshing space communicate with the rotary space; translation spaces are symmetrically arranged on the left and the right of an upper end wall of the meshing space; and sliding spaces are symmetrically arranged on the left and the right of a lower end wall of the meshing space. The device is simple in structure and convenient to operate; and during work, the rotating direction ofthe rotary block and the rotating direction of a smashing shaft are different, so that the rotating speed of the smashing shaft is relatively increased, required objects can be quickly smashed, and the aims of energy conservation and high efficiency are achieved.

The invention relates to a small energy-saving and efficient domestic garbage incinerating treatment system. The small energy-saving and efficient domestic garbage incinerating treatment system comprises a before-incineration treatment system, an incinerating system, a smoke gas waste heat utilizing system and a smoke gas treatment system. The smoke gas treatment system comprises a first gas-liquid exchanging device, a first induced draft fan, a waste sodium carbonate utilizing tower, a semi-drying-method extracting tower, a second gas-liquid exchanging device, a cooling water tower, a cyclonedust collector, a bag-type dust collector, a second induced draft fan and a chimney. According to the small energy-saving and efficient domestic garbage incinerating treatment system, the before-incineration treatment system, an incinerating furnace inner structure and the smoke gas treatment system are optimized, convenience of garbage crushing and dewatering is comprehensively considered, the airtightness of an incinerating furnace is improved, garbage sufficient incineration is promoted, secondary pollution is reduced, smoke gas waste heat is sufficiently utilized, sodium carbonate secondary utilization is achieved, pollutants such as acid gas, organic pollutants and particles are more effectively removed, and the purposes that garbage does not fall on the ground, odor is not spread, waste liquid is not discharged, and waste heat is not wasted are achieved.

The invention discloses a multi-adaptive positioning system and method based on GPS, Beidou and NB-IoT. The system comprises a multimode positioning module which is installed on a to-be-positioned device and comprises a Beidou module, a GPS module, a 2G module and an NB-IoT module, a multimode antenna which is arranged on the to-be-positioned device and is respectively connected with the Beidou module and the GPS module, a narrowband antenna which is mounted on the to-be-positioned device and is connected with the NB-IoT module, a 2G antenna which is arranged on the to-be-positioned device and is connected with the 2G module, a control system which is mounted on the to-be-positioned device and is connected with the multimode positioning module, a cloud server which is connected with the control system, a client which is connected with the cloud server, a real-time clock module which is arranged on the to-be-positioned device and is connected with the control system, and a battery module which is arranged on the to-be-positioned device and is connected with the control system.

The invention introduces drying equipment for a circuit board blower. The drying equipment for the circuit board blower comprises an air inlet, an air passageway, an air inlet filter, a heater, a circulation wind duct, a wind duct filter, a wind outlet, a drying room, a drying rack and a temperature controller, wherein the air inlet is provided with the air inlet filter, the drying room is connected with the circulation wind duct, and the wind duct filter and the heater are arranged in the middle of the circulation wind duct. The temperature controller comprises a case body, the temperature controller, temperature probes, an alternating current contactor and a power line, the number of the temperature probes is plurality, and the temperature controller is provided with a plurality of input ports and a plurality of output end switches. By means of the drying equipment for the circuit board blast, the air humidity and the impurity content in the drying room are enabled to be limited in a certain level, the evaporated impurity particles are filtered by the filter, and thereby the air cleanliness in the drying room is guaranteed, and the cleanliness of the circuit board is enabled to be improved. The temperature controller is capable of probing temperature of a plurality of interior points, big temperature fluctuation is avoided, and the energy-saving and efficient purposes are achieved.

Disclosed is a combined water tank type boiler waste heat recovery device. A heat absorption water tank is arranged on the combined water tank type boiler waste heat recovery device. A heat absorption water tank water inflow tube and a heat absorption water tank water outflow tube are arranged on the heat absorption water tank. The combined water tank type boiler waste heat recovery device is characterized in that a u-shaped flue is arranged in the heat absorption water tank, multiple metal cooling sheets are arranged on the u-shaped flue, a smoke inlet of the u-shaped flue is connected with a boiler chimney, and a smoke outlet of the u-shaped flue is connected with a draught fan; a hot water reserve tank is further arranged on the combined water tank type boiler waste heat recovery device; a thermal-insulation layer is arranged outside the hot water reserve tank, a hot water reserve tank water inflow tube and a hot water reserve tank water outflow tube are arranged on the hot water reserve tank, and a thermal-insulation layer is arranged around the heat absorption water tank; a temperature control valve is arranged on the heat absorption water tank water inflow tube of the heat absorption water tank, and a temperature control water pump is further arranged between the heat absorption water tank water outflow tube of the heat absorption water tank and the hot water reserve tank.

The invention discloses an evaporative cooling and evaporative condensation cooperative coupling double-cold-source cold water system. The system comprises a fresh air unit and an air conditioning room unit, wherein the fresh air unit and the air conditioning room unit communicate through an air duct; the air conditioning room unit is connected with a double-cold-source cold water unit through a first pipe network; the double-cold-source cold water unit is connected with the fresh air unit through a second pipe network; and the fresh air unit is also connected with the air conditioning room unit through a pipeline G6. The system solves the problems that the energy consumption of a traditional mechanical refrigeration water chilling unit is high, and the outlet water temperature of an evaporative cooling water chilling unit is greatly influenced by outdoor weather conditions.

The invention provides a metal film which is suitable for a paper pot and comprises 0.0007 mg / cm<2> to 0.0009 mg / cm <2> of Al and 0.001 mg / cm<2> to 0.002 mg / cm<2> of Fe. The invention further providesa paper pot made of the metal film and a manufacturing method of the paper pot. The metal film provided by the invention has good flexibility, ductility, strength and forming performance and good heat-conducting property, and a paper pot made of the metal film is simple and rapid to use, convenient to carry and good in flexibility and heat-conducting property.

The invention relates to a transmission device for an oil-electricity hybrid power loader. The transmission device comprises an engine (1), a clutch (2), a clutch output driven gear (3), a clutch output driving gear (4), a power output driving gear (5), a steering pump driving gear (6), a working pump driving gear (7), a steering pump (8), a working pump (9), a reverse gear brake (10), a reverse gear planetary row (11), a forward gear brake (12), a forward gear planetary row (13), a second gear clutch (14), a motor output reduction planetary row (15), a motor (16), an output driving gear (17)and an output driven gear (18). According to the working condition of the loader, a plurality of transmission modes are provided, and the transmission device can realize all loader working condition functions such as high-speed driving charging, engine idling parking charging, braking energy recovery, pure electric starting and driving and hybrid power mode running.

The invention relates to a small-scale energy-saving and high-efficiency domestic waste incineration treatment system, which includes a pre-incineration treatment system, an incineration system, a flue gas waste heat utilization device and a flue gas treatment system. The flue gas treatment system includes the first gas-liquid heat exchange device, the first induced draft fan, residual alkali ash utilization tower, semi-dry deacidification tower, the second gas-liquid heat exchange device, cooling water tower, cyclone dust collector, bag filter , second induced draft fan and chimney. This system optimizes the waste incineration pre-treatment system, the internal structure of the incinerator and the flue gas treatment system, comprehensively considers the convenience of garbage crushing and dehydration, improves the air tightness of the incinerator, promotes the full incineration of garbage, and reduces the generation of secondary pollutants , make full use of the waste heat of flue gas, and use soda ash for secondary use to more effectively remove pollutants such as acid gas, organic pollutants and particulate matter, so as to prevent garbage from falling to the ground, odor from spreading, waste liquid from being discharged and waste heat from being wasted, etc. Purpose.

The invention relates to a thermal-temperature magnetic four-gradient coupling efficient thermoelectric direct-current power generation device and method. The thermal-temperature magnetic four-gradient coupling efficient thermoelectric direct-current power generation device comprises a heat source heating furnace, a high-temperature heat exchanger, a trapezoidal thermoelectric material rod, a small auxiliary cooler, an extension electrode, external power transmission couplers, a step (electro)magnet device and an external power transmission circuit. One end of a trapezoidal thermoelectric material rod is heated through the heat source heating furnace and the high-temperature heat exchanger to form a high-temperature end, and the other end of the trapezoidal thermoelectric material rod is provided with the small auxiliary cooler to form a low-temperature end, temperature difference is generated between the two ends of the trapezoidal thermoelectric material rod, and the high-temperatureend and the low-temperature end are connected with the extension electrode and the external power transmission coupler respectively; and the two external power transmission couplers are connected with the external power transmission circuit. According to the invention, a uniformly decreasing magnetic field process, a temperature-magnetism double-gradient high-efficiency direct current process, athermal-temperature-magnetism four-gradient high-efficiency direct current power generation process and coupling of external magnetic field intensity change and high-low temperature gradient are realized, and the purpose of saving materials and energy is achieved.

The invention discloses an evaporative cooling and evaporative condensation cooperative coupling double-cold-source cold water system. The system comprises a fresh air unit and an air conditioning room unit, wherein the fresh air unit and the air conditioning room unit communicate through an air duct; the air conditioning room unit is connected with a double-cold-source cold water unit through a first pipe network; the double-cold-source cold water unit is connected with the fresh air unit through a second pipe network; and the fresh air unit is also connected with the air conditioning room unit through a pipeline G6. The system solves the problems that the energy consumption of a traditional mechanical refrigeration water chilling unit is high, and the outlet water temperature of an evaporative cooling water chilling unit is greatly influenced by outdoor weather conditions.

The invention discloses dried fruit multi-stage drying equipment. The dried fruit multi-stage drying equipment comprises a box body assembly, a conveying assembly, a wind-direction changing assembly, wind guide bins, a cooling heat-insulating plate and a control system; the box body assembly is a rectangular box body, wherein the inner portion of the box body assembly is a cavity, and the front and rear end surfaces are provided openings correspondingly; the conveying assembly is arranged at the middle position in the cavity of the box body assembly, and penetrates out of the front and rear end surfaces of the box body, the wind guide bins are oppositely arranged on the upper and lower end surfaces of the inner cavity of the box body, and the wind-direction changing assembly is horizontally arranged on the right side wall or the left side wall of the inner wall of the box body; and the wind-direction changing assembly comprises fan blades, heating pipes and a motor, the fan blades are driven by the motor to rotate, the heating pipes are arranged at the peripheries of the fan blades in a surrounding mode. Through the unique structure of the inner portion of a drying box, after air flow is heated through the heating pipes, the hot air flow is guided to be up-down convective flow in the vertical direction through the upper and lower wind guide bins, so that a hot wind circulation system is formed in the drying box, thus the temperature is more uniform and heat is fully utilized when the drying equipment operates, and therefore the purposes of energy saving and high efficiency are achieved.

The invention provides a silkworm breeding room intelligent control system which comprises an air conditioner, two electric heaters, a temperature and humidity sensor, a carbon dioxide sensor, a controller, a pipeline and an all-in-one machine, the two electric heaters are installed in a silkworm breeding room to supply heat to the silkworm breeding room, and the controller controls the electric heaters to heat according to temperature signals of the temperature and humidity sensor; when the electric heater cannot reach the indoor temperature requirement in one hour of heating, the controller controls the air conditioner to start heating to supplement the residual temperature, the all-in-one machine comprises an air supply fan, a water tank, an air exhaust fan, a graphene heat exchange machine core and a humidifier, the air supply fan and the humidifier are installed in an air supply outlet of the all-in-one machine, and the air exhaust fan is installed in an air exhaust outlet of the all-in-one machine. Heat of ventilation is recycled, warm water absorbing radiation heat in the water tank is used for humidification during humidification, indoor temperature changes are reduced, energy consumption is reduced, meanwhile, the air conditioner and the electric heater work cooperatively, the use frequency of the electric heater is reduced, and the purposes of energy conservation and high efficiency are achieved.

The engine discloses a water fuel engine. The water fuel engine comprises a case. A first bearing accommodating groove and a second bearing accommodating groove are separately formed in the two sidesof the case. A rotary shaft penetrating through the first bearing accommodating groove and the second bearing accommodating groove is arranged on one side of the case. A cylinder body is fixedly welded to the top of the case. A piston is movably connected into the cylinder body. The top of the piston is hinged to the bottom of a connecting rod. The middle of the left side wall of the cylinder bodycommunicates with a water inlet pipe. A duckbilled spray head is mounted at the tail end of the water inlet pipe. An electrode column is mounted at the bottom of the left side wall of the cylinder body. An electric wire rod is welded to the bottom end of the interior of the cylinder body. The water fuel engine is simple in structure and convenient to use, fuel consumption in the prior art can bereduced, and non-renewable resources are saved; and carbon dioxide and other gases which severely pollute the environment are not generated in the using process, so that environmental pollution is reduced, the physical health of people is facilitated, the harmony between human and nature is realized, and a response to the national sustainable development strategy is positively given.