33results about How to "Increase negative ions" patented technology

The invention provides putty powder used for walls in a house. The putty powder comprises the following ingredients: ground calcium carbonate, sodium-base bentonite, 1788 powder of polyving akohol, hydroxypropyl methyl cellulose and talcum powder, besides, white cement or / and calcium hydroxide powder is / are added therein as a reinforcing material, and also, sodium hexametaphosphate powder and / or tourmaline powder are / is added in the product. The putty powder has excellent scraping construction performance, long-acting mould-proof performance and excellent dense degree of the putty coating as well as the function of releasing negative ions for a long time, can effectively adsorb various harmful substances in the air and purify the air, and has excellent environment-friendly performance.

The invention particularly relates to an air purifier with a multi-purification function and an air purifying method. The air purifier comprises a shell, a draught fan, a silver ion filter component, a cold catalyst filter layer, an HEPA filter layer, an HIMOP filter component, an activated carbon filter component, a plasma generator, a monitoring module and a main control circuit board, wherein the silver ion filter component is installed at the front end of the interior of the shell, the HIMOP filter component is installed on the back side of the silver ion filter component, and the cold catalyst filter layer and the HEPA filter layer are fixed to the front side and back side of the HIMOP filter component respectively; the activated carbon filter component is installed behind the HIMOP filter component, an air inlet and an air outlet are formed in the shell, and the draught fan enables air to enter through the air inlet; the plasma generator is installed at the position of the air outlet, and the main control circuit board is electrically connected with the monitoring module, the draught fan and the plasma generator. By arranging multiple filtering structures, air can be purified comprehensively and effectively; air quality is monitored through the monitoring module, and automatic control is achieved.

The invention belongs to the technical field of architectural decoration and discloses an intelligent automatic storing and taking wardrobe system with air replacement and treatment functions. The intelligent automatic storing and taking wardrobe system comprises a cabinet body, a storing and taking area arranged on one side of an inner cavity of the cabinet body, a clothes placement area arrangedon the other side of the inner cavity of the cabinet body, a heating and air supplying module arranged at the bottom of the cabinet body as well as a filtering exhaust module and an internal and external air replacement module which are arranged at the top of the cabinet body, wherein an automatic clothes hanging and taking structure is arranged in the storing and taking area; a rotating hoist chain conveying system is arranged in the clothes placement area; the modules are electrically connected with a master control module. The intelligent automatic storing and taking wardrobe system aims to realize intelligent automatic clothes storing and taking and air replacement of a wardrobe, can save much time for selecting and finding clothes, automatically replace humid and stale air in the wardrobe and automatically replace and treat harmful air in the wardrobe and the room where the wardrobe is located, is convenient and firm to mount and simple in structure, and meets the demands of people for intelligent products.

The invention provides a bamboo charcoal and tourmaline composite Ag-loaded antibacterial agent, an antibacterial polypropylene composition and a preparation method. The bamboo charcoal and tourmaline composite Ag-loaded antibacterial agent is prepared from bamboo charcoal and tourmaline powder through Ag loading modification. The preparation method comprises the following steps that bamboo charcoal powder is loaded with Ag, tourmaline powder is loaded with Ag, and a bamboo charcoal powder Ag-loaded antibacterial agent and a tourmaline powder Ag-loaded antibacterial agent are mixed according to the ratio of (1-3): 1. The prepared composite antibacterial agent is added into a polypropylene composition, and through the mutual auxiliary effect of Ag, bamboo charcoal and tourmaline, multiple antibacterial modes such as silver ion slow release, bamboo charcoal adsorption and negative ion sterilization are achieved, and the efficient and lasting antibacterial effect on common bacteria such as escherichia coli and staphylococcus aureus is achieved.

The invention relates to a landscape formation method of an all-season-fragrant plant community hierarchical structure, belonging to the technical field of garden engineering. The plant community combination established by the method is formed by compositely planting various fragrance-releasing arbors, shrubs and herbaceous plants in different layers. Michelia alba, Cinnamomum camphora, Ginkgo biloba, Cedrus deodara, Pittosporum tobira, Gardenia jasminoides, Osmanthus fragrans, Chimonanthus praecox and many other plants capable of giving out the respective fragrance in different seasons are adopted, and are reasonably matched and planted in the landscape green central parting region according to the fragrance release seasons and months, positions, terrains, fragrance release thickness, air humidity, hue of floral leaves and the like, thereby providing a large-area all-season-fragrant environment for local tourists, residents, patients and the like, and benefiting the recovery and life prolonging. The formation method takes the seasonal aspect changes of plants into consideration, enriches the landscape configuration of all seasons, creates an all-season-fragrant garden environment, ensures the continuity of fragrant landscape, and has the functions of cleaning air, repelling mosquitoes, preventing worms, relieving the pressure, inhibiting the pathogenic bacteria and the like.

The invention belongs to the environment protection field and discloses a method and a device for treating pollutant and dust in gas. The method is electrochemical means, solution-electrode is adopted as reaction system, gas is guided into the solution-electrode reaction system, and electrolysis reaction is carried out to degrade pollutant. The adopted electrode is a three-dimensional foam electrode with openings, and foam filler is filled between anode and cathode. The invention also provides a device applicable to the method, liquid cycle and effective distribution are adopted, so that gas and liquid can be effectively distributed and mixed on the surface of the three-dimensional electrode, effective area of reaction is greatly increased, and gas purification efficiency is improved.

The invention provides negative-ion-containing carbon-based mineral crystal air purification particles and a manufacturing method thereof. The negative-ion-containing carbon-based mineral crystal air purification particles contain, by weight, 65-70% of bamboo charcoal powder, 8-10% of bentonite, 8-10% of diatomite, 8-10% of sepiolite, 3-5% of adhesive, 0.5-2% of surface active agent, 0.5-5% of foaming agent and 3-5% of negative-ion functional powder, and the negative-ion-containing carbon-based mineral crystal air purification particles are formed through bamboo charcoal powder disposal, grinding, chambering and mixing of the bentonite, diatomite and sepiolite, raw material mixing, activating treatment and granulation forming. The advantages of bamboo charcoal are utilized to the most degree, natural ore absorption materials are added, and the utilization effect and functionality of the bamboo charcoal are greatly improved. A roller way type kiln is adopted, the yield is effectively improved, large-scale production can be performed, and large-scale popularization and application are facilitated. The particles are spherical or columnar, so that the purposes and range are increased. Negative oxygen ions are added on the aspect of practical functionality, so that the effect of the particles is improved, and the application range of the particles is widened.

The invention relates to a multifunctional air humidifier which is provided with a water tank, a vertical cylinder and a suction fan, wherein an upper opening of the vertical cylinder is connected with the suction fan; and a lower opening of the vertical cylinder stands in the water tank. By adopting an air suction washing method, the multifunctional air humidifier not only can be used for purifying air, but also increasing the humidity and the anion content of the air, and is not blocked; and the multifunctional air humidifier is applicable to the places such as a family, an office, a hotel, a restaurant, a hospital and the like.

The invention provides a shower nozzle and a water outlet sheet, which is characterized in that: the nozzle body has threads on the inner surface to form an interface, a partition is formed on the lower side of the interface, the shower nozzle water outlet sheet is embedded in the partition, the central part of the shower nozzle water outlet sheet and its There are multiple triangular water outlet holes around the water outlet to form the water outlet, and there are water outlet holes with the same size as the above water outlet on the outside of the water outlet. A rubber ring holds it in place. Because more water outlet holes are distributed outside the water outlet part of the central part of the water outlet sheet of the shower head, like this, the sprayed water can be more evenly sprayed on the human skin to further improve the shower effect. In particular, the water outlet is designed in a triangular shape, so that the water flows through the triangular water outlet to generate friction and achieve the effect of increasing negative ions. The filter membrane can filter the impurities and foreign objects that may cause the clogging of the water outlet, thereby preventing the occurrence of the clogging of the water outlet.

The invention discloses an energy-saving air conditioner capable of adding humidity automatically. The energy-saving air conditioner comprises an outdoor unit and an indoor unit, a compressor and a condenser are mounted in the outdoor unit, an evaporator is mounted in the indoor unit, a case is mounted on the right side of the outdoor unit, and a high pressure water pump is mounted in the case; a water inlet valve connector is connected to a water inlet of the high pressure water pump, and a water outlet valve connector is connected to a water outlet of the high pressure water pump; a water inlet pipe is connected to the water inlet valve connector, and a water outlet pipe is connected to the water outlet valve connector; and a front filter is mounted on the water inlet pipe, a water break protector is mounted on the part, between the front filter and the high pressure water pump, of the water inlet pipe, and an outdoor nozzle and an indoor nozzle communicate with the water outlet pipe. The energy-saving air conditioner capable of adding humidity automatically can conveniently add humidity to the indoor air to increase the indoor air humidity, the human comfort is improved, meanwhile, the thermal dissipation efficiency of a cooling fin of the condenser is improved, and power energy is saved.

The invention discloses an indoor air refreshing method. The indoor air refreshing method comprises a fresh air device mounted outdoors, a fan, an indoor air output channel and a fresh air input channel, wherein the indoor air output channel and the fresh air input channel communicate with the indoor space; and an air purifying device is arranged at an indoor end of the indoor air output channel. With the adoption of the technical scheme, the indoor air refreshing method has the effects that: outdoor fresh oxygen gas is obtained while indoor air is purified in a circulating mode, so that indoor air is clean, and oxygen gas consumed by human body metabolism is supplemented, and therefore, the air refreshing effect is achieved, health of people is facilitated, and working and learning efficiency is favorably improved; and mechanical work of the indoor air refreshing method is completed outdoors, so that the indoor is free of mechanical noises.

The invention discloses a solar heating and refrigerating integrated system and a utilization method thereof. The system comprises a photovoltaic array, a photovoltaic charging controller, an inverter, a water pump, an underground reservoir, a cold water tank and a hot water tank. The photovoltaic array is connected with the photovoltaic charging controller through a wire, the photovoltaic charging controller is connected with a switch box through a wire, the switch box is connected with a storage battery, the inverter and a control mainboard through wires, and the control mainboard is connected with the water pump and a semiconductor refrigerating mainframe through wires. The solar heating and refrigerating integrated system and the utilization method thereof have the advantages that indoor normal temperature can be guaranteed by means of various operating modes; since solar power generation is assisted by the mains supply, energy is saved; by adoption of an operating mode that the semiconductor refrigerator for heating and water circulation is assisted by an air source, household hot water supply and heating can be guaranteed, noise in semiconductor heating and refrigerating operation is avoided, and high operating efficiency and adjustability of indoor temperature are realized.

The invention discloses a novel environment-friendly composite material for air purification and a preparation method of the novel environment-friendly composite material, and belongs to the technicalfield of environment-friendly materials. The preparation method includes the steps that under the condition that a nanofiltration layer is used for supporting, a microfiltration layer and a primary filtration layer are arranged on the surface of the nanofiltration layer, and the novel composite material of a sandwich structure is obtained; the primary filtration layer is a three-dimensional graphene aerogel material prepared by self-assembly of polyethyleneimine and graphite oxide; the microfiltration layer is a micron fiber layer prepared from a chitosan solution through electrostatic spinning; the micron fiber layer is loaded with a functional ceramic material and activated carbon in the presence of thiolactic acid and sodium benzoate; and the nanofiltration layer is a nanofiber layer prepared from a chitosan solution through electrostatic spinning. According to the preparation method provided by the invention, the filtering efficiency and the purification effect of the material canbe improved, and the rising trend of resistance pressure drop in use is slowed down, so that a good purification effect is kept after the material is cleaned and maintained, the cleaning durability and the reusability are enhanced, the preparation cost is low, and the material can be naturally degraded.

The invention discloses a range hood with a refrigeration device. The range hood mainly comprises the refrigeration device and a guide structure; the refrigeration device is positioned at one end of an air way of the range hood; the guide structure is positioned at the other end of the air way; the refrigeration device and the guide structure communicate with each other; the guide structure is positioned on the side near a user end; fan blades and a motor of the guide structure blow out flowing air after cooling through the refrigeration device; and a detachable cooling storage module is arranged in the refrigeration device. Through the refrigeration device, the kitchen hot air is cooled, and the kitchen air is purified, so that the consumer cooking environment is improved; through the novel refrigeration device and the guide structure, the uniformity of the air supply speed and temperature is achieved, so that the comfort is improved; and the refrigeration module is of a detachable structure, adopts a cooling storage mode, is wide in application, and improves the application range and the utilization rate.

The invention discloses an intelligent air treatment device which comprises a base, a lower part component and an upper part component; the lower part component is composed of a lower part shell installed on the base through a swing tipping device in a head shaking and leaning forward and backward manner and a turbine air outlet device installed in the lower part shell; air inlet holes are formed in the bottom and the outer side of the lower part shell; the turbine air outlet device is composed of a turbine mechanism, an air collection ring and an air outlet circle; the turbine mechanism is installed in the lower part shell through a shock absorption mechanism; the shock absorption mechanism is composed of a shock absorption bracket and shock absorption springs installed at mounting holes formed in the shock absorption bracket; the turbine mechanism is installed in the mounting holes of the shock absorption bracket; the shock absorption springs form elastic support to the turbine mechanism to enable the periphery of the turbine mechanism to form an interval with the inner walls of the mounting holes; a partition plate is arranged in the lower part shell and is internally provided with a hole position; the upper end of the air outlet device penetrates through the hole position and is exposed outside the upper end surface of the partition plate; the upper part component is composed of an upper part annular shell installed on the lower part component; the upper part annular shell is provided with an air outlet passage.

The invention relates to the technical field of fluorocarbon coatings, in particular to a fluorocarbon coating for a self-heating aluminum veneer and a spraying process of the fluorocarbon coating. The fluorocarbon coating is prepared from, by weight, 10-28 parts of fluorocarbon resin, 2-8 parts of aluminum powder, 5-10 parts of nano carbon powder, 2-4 parts of nano negative ion powder, 5-10 parts of alkyd resin and 80-120 parts of water. The materials are placed in a reaction kettle to be mixed and stirred at 80 DEG C, a sealing film is used for covering and sealing preservation, and internal paint is prevented from being in contact with air to be oxidized. The fluorocarbon coating is prepared by baking polyvinylidene fluoride resin at high temperature, and the molecular structure of the fluorocarbon coating is thermoplastic resin containing fluorine atoms, so that the fluorocarbon coating has the characteristics of excellent high and low temperature resistance, dielectric property, chemical stability, weather resistance, non-inflammability, non-stickiness, low friction coefficient and the like.

The invention discloses a livestock farm colony house disinfection and heatstroke prevention cooling system which comprises a foundation and is characterized in that a fence is fixedly arranged on thefoundation, a top plate is fixedly arranged at the end, away from the foundation, of the fence, a coaming is fixedly arranged on the top plate, two intelligent hydrogel plates are fixedly arranged inthe coaming, the two intelligent hydrogel plates are both fixedly arranged on the upper wall of the top plate, two baffles corresponding to the intelligent hydrogel plates are symmetrically arrangedon side plates on the two sides of the coaming in a sliding mode, and sliding openings corresponding to the baffles are formed in the side plates on the two sides of the coaming. According to the livestock farm colony house disinfection and heatstroke prevention cooling system, the cooling effect can be gradually improved according to the temperature change, the adaptability of the device is greatly improved, and the current generated by the intelligent hydrogel plates can be supplied to a semiconductor refrigeration plate for auxiliary refrigeration; and the current can be supplied to a conductor rod for point discharge to ionize the air, so that negative ions are generated to disinfect and sterilize the colony house.

The invention provides a damping type medical air purification device and belongs to the field of air purification devices. The damping type medical air purification device comprises a shell, a damping device and a water spraying device. The shell is a cuboid, an opening of the shell is upward, and the shell is horizontally disposed. An end cover is arranged on the upper portion of the shell and is in threaded connection with the shell. A water spraying cavity is arranged in the upper portion, and a first partition plate is arranged between the water spraying cavity and a filtering cavity. Theleft end and the right end of the first partition plate are fixedly connected to the inner surface of the shell. A water storage trough is arranged on the lower portion, and a second partition plateis arranged between the water storage trough and the filtering cavity. The left end and the right end of the second partition plate are fixedly connected to the inner surface of the shell. The water spraying cavity is provided with the water spraying device. The filtering cavity is provided with a fixing plate, a coarse filtering screen, an activated carbon filtering screen, a metal fine filteringscreen and a negative ion generator. The fixing plate is arranged at the right end. The damping type medical air purification device is reasonable in structure, convenient to use, small in occupied space, capable of relieving vibration, convenient to move and the like.

The present invention relates to an energy-saving door and window curtain wall system capable of achieving fresh air ventilation and a section bar capable of implementing heat exchange. In particular,the invention relates to a door and window curtain wall made of aluminum alloy or other rigid materials. The invention also relates to the section bar capable of implementing heat exchange for forming the door and window curtain wall.

The invention discloses a chiropractic correction device for a neurosurgery department. The chiropractic correction device comprises eccentric wheels, a connecting rod, a driving wheel, a movable rack, a hollow rotating shaft, an eccentric wheel drive motor, an outer fixing rack, a side plate and a bandage ring, wherein the outer fixing rack is of a rectangular frame structure encircled by four metal plates with the same width; the movable rack is in linear slide connection in a rectangular hole formed in the middle of the outer fixing rack; a plurality of sliding shafts are welded on outer surfaces on two sides of the movable rack; the sliding shafts are in slide connection in chutes formed in two sides of the outer fixing rack so as to ensure stable slide of the movable rack; a spring isconnected between any end of the sliding shaft and any end of the chutes; and due to elastic force or pull of the spring, the stability of the movable rack subjected to position adjustment is realized. According to the chiropractic correction device disclosed by the invention, spinal compression and massage can be realized by multiple eccentric wheels, namely point-point compression and massage can be realized by virtue of different eccentric wheels corresponding to different spine positions.

An environment protection type multifunctional catalytic paint for spraying on paper, cloth, synthetic resin, wood, etc. contains TiO2, insoluble organic disperser, hydroxylapatite, besides adding one or several of far infrared ceramics, ionized ceramics and deodouring ceramics; or further adding granite powder or tourmaline powder or carbon powder or magnetite powder; and adding deodouring or antibacterial bacteria. Its advantage is use of light, heat or water as catalyst to generate antibacterial, sterilizing and deodouring functions.

The invention discloses a novel fan without a blade. The novel fan comprises an air wheel motor (5) and a head shaking motor (10), and is characterized in that a motor support air guide cover (6) is arranged outside the air wheel motor (5), and the head shaking motor (10) is arranged on the outer side of the motor support air guide cover (6) in a clamping mode. Air outlets of the novel fan can swing back and forth and can also be fixed to certain fixed positions, the cooling range is determined as needed, and convenience and practicability are achieved; meanwhile, negative ions in exhaust air can be effectively increased through a water filtering mode, the oxygen content in the exhaust air can be improved, air is effectively purified, foreign smells such as the smoke smell are effectively eliminated, the humidity of indoor air is increased, the phenomenon that a previous fan only has the air blowing function is broken through, the quality of the indoor air is improved, the effect that people breathe fresh air in a forest is achieved, and a good promoting function is achieved on the health of people.

The invention discloses a combined multifunctional quilt core which comprises a first fabric layer, a sandwich layer, a second fabric layer and a plurality of corresponding fixed connection devices arranged on the first fabric layer, the sandwich layer and the second fabric layer which are sequentially arranged from top to bottom. The first fabric layer, the sandwich layer and the second fabric layer are movably connected through a fixed connection device; the first fabric layer comprises a first coating layer and a first filling layer; the sandwich layer comprises a constant-temperature filling layer and a sandwich coating layer; the second fabric layer comprises a second coating layer and a second filling layer; the first coating layer comprises Scilovel silver fibers and cotton fibers in the silver age; the first filling layer is mulberry silk; the constant-temperature filling layer comprises far infrared fibers and cotton fibers; the sandwich coating layer comprises alginate fibers and cotton fibers; the second coating layer comprises heating fibers and chemical fibers; the second filling layer is obtained by coating traditional Chinese medicine with superfine gauze. The quilt core not only can keep warm, resist bacteria and help sleep, but also can dispel wind and cold, eliminate dampness and subdue swelling, relax muscles and stimulate blood circulation; the quilt core can be combined in a plurality of ways or used independently.

The invention provides a bamboo charcoal tourmaline composite loaded Ag antibacterial agent, antibacterial polypropylene composition and preparation method, wherein the bamboo charcoal tourmaline composite loaded Ag antibacterial agent is made by Ag loading modification of bamboo charcoal and tourmaline powder, including the following Steps: Ag is loaded on bamboo charcoal powder, Ag is loaded on tourmaline powder, and the Ag antibacterial agent loaded on bamboo charcoal powder is mixed with the Ag antibacterial agent loaded on tourmaline powder at a ratio of 1 to 3:1. Add the prepared composite antibacterial agent to the polypropylene composition, through the mutual assistance of Ag, bamboo charcoal, and tourmaline, multiple antibacterial methods such as slow release of silver ions, bamboo charcoal adsorption, negative ion sterilization, etc., are effective against E. coli, Staphylococcus aureus and other common Bacteria have an efficient and long-lasting antibacterial effect.

A method for making masterbatch for manufacturing yarn, which includes the following steps: first select old bamboos that are more than four years old and carbonize them at high temperature to make bamboo charcoal; then grind the bamboo charcoal into powdery bamboo charcoal powder; and Take 2.5% bamboo carbon powder and add 97.5% polyester particles, mix them evenly, and then melt them at high temperature to process them into granular masterbatch; because the masterbatch contains bamboo carbon powder, it has strong adsorption and decomposition capabilities. , as well as antibacterial, regulating humidity and eliminating odors, and can produce infrared rays suitable for human body absorption, accelerate blood circulation and improve the human internal environment. It can also increase healthy negative ions in the air, balance humidity and prevent mites, and improve color masterbatch The quality and efficacy of the grains are then processed and extracted into yarn and woven into textiles to increase its utilization value.

The invention discloses a heat energy recovery shower head with a pipeline hidden hood. The heat energy recovery shower head can recycle the heat energy in shower wastewater, at the same time, and hasthe advantages of being simple in structure, low in cost, beautiful in appearance after installation and easy to popularize. The heat energy recovery shower head comprises shower nozzles, shower nozzle connecting pipes, a water mixing valve, a heat energy recovery device and a first pipeline hidden hood, wherein the water mixing valve comprises a cold water inlet, a hot water inlet and a mixed water outlet, the mixed water outlet is communicated with the shower nozzle connecting pipes, and the hot water inlet is communicated with a hot water source pipe; the heat energy recovery device is provided with a cold water inlet pipe and a warm water outlet pipe, the warm water outlet pipe is communicated with the cold water inlet of the water mixing valve, and the cold water inlet pipe is communicated with a cold water source pipe; and the first pipeline hidden hood is arranged on the outer side of the cold water inlet pipe and / or the warm water outlet pipe.

The invention belongs to the field of flame-retardant roller blind fabrics, and particularly relates to a resin-adhesive-free self-adhesive flame-retardant roller blind fabric and a preparation methodthereof. In order to solve the problems that an existing flame-retardant roller blind fabric is complex in manufacturing step and high in manufacturing cost and popularization of the flame-retardantroller blind fabric is limited, the flame-retardant roller blind fabric comprises, by weight, 20-25 parts of kelp powder, 10-14 parts of a spinning solution, 12-16 parts of chitosan, 22-28 parts of terephthalic acid, 16-24 parts of dimethyl terephthalate, 10-18 parts of ethylene glycol and 10-15 parts of a phosphorus-based flame retardant. Fiber prepared by doping seaweed has the good advantages of self-flame-retardant performance, high oxygen permeability, biodegradability, negative ions and the like. The preparation method is simple in preparation step and low in preparation cost.

The invention provides a method for changing texture of a drink through light irradiation in light information fluctuations. The method for changing the texture of the drink through light irradiationin light information fluctuations comprises the following steps: placing the drink in a constant-temperature environment; irradiating the drink with green light with a frequency of 526-606 THz for 6 hours; then irradiating the drink with red light with a frequency of 400-484 THz for 9 hours; then irradiating the drink with purple light with a frequency of 668-789 THz for 3 hours; and finally, conducting light irradiation for 6 hours in a mode where 3 seconds of irradiation of the drink with cross green light, red light and purple light at the same time and 2 seconds of non-irradiation are conducted alternatively. The light irradiation texture-changing device in light information fluctuations conducts texture changing by means of the method for changing the texture of the drink through light irradiation, and comprises a box-type body, a constant-temperature unit, green light sources, red light sources and purple light sources, wherein the box-type body is provided with an open part to form a storage space; and the constant-temperature unit can be installed in any positions in the box-type body. Through the technical means of light irradiation, the taste of food is changed, so that microscopic molecules are precisely regulated, and taste which people like is generated.

The invention relates to an environment-friendly biocompatible porous membrane and a preparation method thereof, which solves the technical problems of high sewage treatment cost, low purification and treatment sewage efficiency, rapid performance degradation and non-recyclable utilization of biofilm materials in the prior art. The invention provides an environmentally friendly biocompatible porous membrane, which consists of the following raw material components in parts by weight: 80-100 parts of polylactic acid, 10-50 parts of acrylic acid, 2-10 parts of dibenzoyl peroxide, 50-100 parts of titanium dioxide powder, 10-30 parts of tourmaline powder, 5-20 parts of tricalcium phosphate, 20-50 parts of porogen; meanwhile, a preparation method thereof is provided. The invention is widely used in the field of membrane materials.