30results about How to "Clean living environment" patented technology

The invention discloses indoor putty capable of purifying the air and a preparation method thereof. The indoor putty comprises the following components: white cement, microporous calcium carbonate, talcum powder, bamboo charcoal powder, ultrafine limestone, heavy calcium carbonate powder, modified attapulgite clay, activated carbon, diatomite, nano titanium dioxide, zeolite powder, hydroxypropyl methyl cellulose, glass fiber, white carbon black and a defoaming agent. the preparation method comprises the following steps: mixing the white cement, talcum powder, heavy calcium carbonate powder, diatomite, nano titanium dioxide, zeolite powder and white carbon black, and carrying out ball milling for 1-2 hours; adding water, mixing, then adding other components, uniformly mixing, and then carrying out shearing dispersion for 20-30 minutes, so that the indoor putty is obtained. The indoor putty disclosed by the invention has better adhesion and also has better air purifying effect, and the putty is safe and pollution-free, belongs to green coating and has better use value.

The invention discloses an intelligent unmanned hotel management system based on videos. The system comprises a video access service, an AI analysis service, a decoding service, a feature extraction service, a check-in management service, a personnel analysis service, a settlement service and a cleaning management service. The video access service is used for capturing a picture after the customerenters the hotel, transmitting the picture back to the background, decoding the video through the decoding service, and analyzing customer character information in the video by utilizing the AI analysis service. According to the invention, check-in and check-out procedures can be automatically handled; opening and closing of elevators and room doors are automatically controlled; suspicious persons who frequently enter and exit from the hotel and are not normally check-in customers can be analyzed; a customer enters a door, gets on the elevator, goes to a corridor and goes to a doorway, whether suspicious personnel are tracked or not is analyzed through videos, the safety of the customer is guaranteed, house cleaning or the record that workers enter a guest room is automatically monitoredand recorded, no perception of the customer is achieved, and an autonomous, safe, reliable and neat check-in environment is provided for the customer.

The invention relates to a treatment method and a prevention and treatment facility of bad air of an underground rainwater / sewage pipe network. The treatment method comprises the following steps: 1, arranging an air flow gravity cylinder, wherein the air flow gravity cylinder is vertical arranged on ground; 2, arranging a communicating pipeline, wherein the communicating pipeline is arranged at the bottom of the air flow gravity cylinder for directly or indirectly communicating the underground rainwater / sewage pipe network to the air flow gravity cylinder; 3, reconstructing a far end of the underground rainwater / sewage pipe network communicated with the communicating pipeline into an open pipeline orifice. A negative pressure type air forcible suction effect can be produced in the underground rainwater / sewage pipe network to form air directional forcible flow, so that the bad air in the rainwater / sewage pipe network is sucked and discharged into an upper atmosphere layer, the bad air is not stored or produced in the entire underground rainwater / sewage pipe network, and the potential safety hazard of burning explosion existing in the underground rainwater / sewage pipe network is also eliminated.

The invention discloses a method for planting potatoes by rape straw covering. The method is characterized by selecting early-maturing disease-resistant virus-free potato seeds and land where solanaceae crops are not planted, applying a potassium sulphate compound fertilizer, adopting 0.1% potassium permanganate solution to immerse the seeds, mixing plant ash with the seeds to disinfect the potato seeds, preparing soil and furrowing in proper time, moistening the soil, sowing the seeds, flattening the furrow, covering soil, adjusting moisture, covering rape straws, preventing insects and diseases and picking fresh potatoes.

The invention belongs to the technical field of poultry raising, and particularly relates to a duck raising method. The duck raising method comprises the following steps: (1) duck shed construction: a duck shed is constructed in a place having a water source, the shed bottom of the duck shed is 50-80cm higher than the ground level, and the shed bottom is in a net structure; (2) duckling selection: healthy ducklings are selected; (3) raising management: the ducklings are vaccinated, fed with feeds, and supplied with water without amount limit; (4) duck shed management: euonymus fortunei is planted at the edge of each wall of the duck shed and planted around the duck shed, a layer of mixtures of chitosan, chitin and coconut shell activated carbon are spread on excrements below the duck shed every morning and evening, and the excrements are cleaned every other 6-8 days. The duck raising method is easy to realize and low in cost, a living environment of ducks can be purified, sterilization and deodorization are carried out, a clean, sanitary and comfortable environment is provided for the ducks, the raised ducks are healthy, are less sickened, and are good in meat quality and flavor.

The invention discloses a breeding method for high-quality beef cattle. The breeding method comprises the following steps: driving beef cattle to a sports field to do exercise for 40 to 60 minutes at5: 30 every morning, and carrying feeding and grazing; scrubbing and washing the beef cattle with a wormwood extract, and massaging the beef cattle. The breeding method also comprises the steps of calf breeding, breeding in an earlier fattening period, breeding in a medium fattening period, breeding in a later fattening period, timely marketing, etc. According to the invention, the beef cattle isregularly scrubbed, washed and massaged, so skin diseases of the beef cattle are prevented from occurrence; blood circulation of the beef cattle is promoted; the appetite of the beef cattle is improved; through exercise, the development of all functions of the beef cattle is effectively promoted; the food intake of the beef cattle is improved; the resistance of the beef cattle is reinforced; the survival rate of the beef cattle is increased; the toughness and quality of beef are improved; the beef quality and taste of the beef cattle are enhanced; the deposition form of fat in the beef is improved; a feed has scientific and reasonable combination and high nutritional value; gastrointestinal and skeletal development of the beef cattle are effectively promoted; the resistance of the beef cattle is enhanced; the appetite of the beef cattle is mainly met; sufficient nutritional substances are provided for the beef cattle; meanwhile, the beef cattle is not fed on any antibiotic drugs in thefeeding process, so the quality of the beef is guaranteed.

The invention relates to the technical field of aquaculture, and discloses river eel temporary rearing equipment with airbag gas filling and space compression. The river eel temporary rearing equipment with airbag gas filling and space compression comprises a water tank. The outer sleeve of the water tank is sleeved with a limited position frame, and the four corners of the lower surface of the limit frame are welded with legs. The outer side of the fixing frame is welded between the four legs, and the upper surface of the fixing frame is in contact with the lower surface of the water tank. The right side wall of the water tank is fixedly connected with the water outlet end of the drain pipe, and the inner wall of the drain pipe and the drain end are adhered with an escape net. The river eel temporary rearing equipment with airbag gas filling and space compression makes use of the setting of the pneumatic mechanism, the position of the movable plate in the water tank controlled by charging and discharging gas, and makes use of the shrinkage of the discharge hose to adapt to the shape of the river eel and grab the river eel through the discharge tube for easily catching the river eel in the tank.

The invention discloses an interior decoration coating for removing formaldehyde, and a preparation method thereof. The coating comprises aqueous polyurethane, aqueous epoxy resin, graphene oxide, nano-silica, alumina, diatomite, active carbon, a formaldehyde oxidation catalyst, a stabilizer and an antifoaming agent. The preparation method comprises the following steps: carrying out a modifying reaction on the aqueous polyurethane, aqueous epoxy resin and graphene oxide; adding the diatomite, active carbon and the antifoaming agent, uniformly mixing and stirring above substances, adding the nano-silica and alumina, and carrying out shear dispersing for 10-20 min; and adding the formaldehyde oxidation catalyst and the stabilizer, and carrying out ultrasonic dispersing for 10-20 min to obtain the decoration coating. The coating has the advantages of good coating effect, excellent waterproof property, excellent scratch resistance and good formaldehyde removal performance, can be applied to interior decoration to provide a clean and safe living environment for people, and has good application values.

The invention relates to the field of a chicken raising system, in particular to an intelligent chicken raising control system. The intelligent chicken raising control system comprises a chicken shed, the top of the chicken shed is provided with a lighting control device, the bottom of the chicken shed is provided with an excrement cleaning device, and the lighting control device and the excrement cleaning device are electrically connected with a controller respectively. Via the lighting control device and suitable solar illumination, sun light can be utilized to facilitate calcium absorption inside chickens by opening roofs of the chicken shed; via the excrement cleaning device, the shed is regularly cleaned to provide a clean living environment; via a feeding device, the chickens are fed automatically and regularly, and labor cost is reduced.

The invention discloses an environmentally-friendly aerated concrete block. The environmentally-friendly aerated concrete block is prepared from the following raw materials by weight: 40 to 60 parts of gold ore tailings, 3 to 6 parts of tourmaline, 2 to 5 parts of attapulgite, 5 to 10 parts of perlite, 0.5 to 2 parts of mineral fiber, 8 to 12 parts of cement, 12 to 18 parts of quicklime, 0.05 to 0.1 part of aluminum powder and 6 to 15 parts of gypsum. The invention also provides a preparation method for the aerated concrete block. According to the invention, through the use of non-metallic minerals like the tourmaline, the attapulgite and the perlite, toxic and harmful substances of the gold ore tailings are adsorbed; through the use of the mineral fiber, the strength of the aerated concrete block is increased; meanwhile, the tourmaline can release negative ions and radiate far-infrared rays, and has the effect of stabilizing a spatial energy field to combine with heavy metals, so harmful substances are fixed.

The invention discloses a heat preservation box for Tibetan pig piglet breeding and a heat preservation method of the heat preservation box, and belongs to the field of heat preservation boxes for piglet breeding. The heat preservation box for Tibetan pig piglet breeding comprises a shell, one side of the shell is rotationally connected with a breeding box through a rotating pin, one side of the shell is rotationally connected with a rotating rod through a one-way bearing, and the surface of the rotating rod is slidably connected with two scraping plates; by arranging the breeding box, the scraping plate and the rotating rod, compared with a traditional technology, the device does not need to manually clean the interior of the device frequently, is convenient to use, greatly reduces the labor intensity of breeding personnel, saves time and labor when piglets are taken out, cleans the piglets, can exercise the piglets, increases the health degree of the piglets, and is small in size and convenient to use. The system is high in integration level, suitable for places such as pig farms with high space resource utilization rate, very intelligent, capable of integrating cultivation, heat preservation, exercise, cleaning and drying, and worthy of popularization.

The invention discloses a self-cleaning cement-based composite material and a production method thereof, and the production method comprises the following steps: aramid fibers containing 18-38% wt of inorganic basalt fibers, glass fibers and ceramic fibers, fibers, aramid fibers, a photocatalytic material, nylon fibers, vinylon fibers are input in a fiber twisting machine for being knitted to 64 fiber threads; the obtained fiber lines can be input into a fiber cloth knitting machine to be knitted into net-shaped fiber cloth with the mesh being 1 m*1 m and the breadth being 2.00 m; a large amount of CO2 can be sucked in the curing process of fresh concrete, calcium silicate and a small amount of hydration products in cement clinker react with CO2 to generate calcium carbonate and silica gel, high early strength can be obtained, the concrete curing time is greatly shortened, good size stability and other performance are achieved, the process of emission reduction is achieved by introducing tailings as a modifying component, the nano-modified concrete component can continuously absorb carbon dioxide in the atmosphere, and meanwhile, the overall mechanical property and durability of the building material can be improved.

The invention relates to a low-temperature tower type flue purification device and an application method thereof. The low-temperature tower type flue purification device mainly comprises a purification tower, a draught fan and an air blower, wherein the draught fan is arranged on the lateral lower side of the purification tower; a plurality of condensation adsorption nets are uniformly mounted in the purification tower with a horizontal included angle of 5-15 degrees; a plurality of liquid spraying holes are formed in one side of the purification tower and are mounted under one fixed side of each condensation adsorption net; the air blower is arranged at the top of the purification tower; a filter screen plate is arranged under an air outlet of the air blower; a liquid spraying opening is arranged above one fixed side of the filter screen plate; and a plurality of groups of heat pump systems which independently and circularly work are arranged at the outer part of the purification tower. The application method comprises the following steps: when air entering from an air inlet of the draught fan collides with the bottommost layer of the condensation adsorption nets, the air in the purification tower is sequentially cooled and condensed; and the air is adsorbed by the condensation adsorption nets layer by layer until the air passing through the filter screen plate reaches emission standards. The low-temperature tower type flue purification device has the beneficial effects that the low-temperature tower type flue purification device has the advantages of novel structure, high purification efficiency and long service life.

The invention provides an isolation diagnosis and treatment cabin, and belongs to the technical field of medical equipment. The isolation diagnosis and treatment cabin comprises a tent cover, wherein an isolation space is formed in the tent cover, the tent cover is made of a light-transmitting and air-tight material, the tent cover is provided with an air inlet port and an exhaust port, and the air inlet port is provided with a filtering device; and a breathing device which is arranged in the tent cover and comprises a breathing tube, the breathing tube is provided with a nasal plug opening suitable for being communicated with a nasal cavity, a sampling cavity is connected to the end, close to the nasal plug opening, of the breathing tube, the sampling cavity is communicated with the breathing tube through a one-way structure, and the one-way structure is in one-way conduction towards the direction of the sampling cavity. According to the isolation diagnosis and treatment cabin provided by the invention, a patient is isolated through the tent cover, the breathing device is arranged on the tent cover, and the breathing device can be used for sampling bacteria in foul smell in the tent cover, so that the condition of the patient can be conveniently detected.

The invention discloses an office desk lamp with a camera and belongs to the technical field of office supplies. The office desk lamp with the camera comprises a body consisting of a lamp base, a supporting post and a lamp head. The office desk lamp with the camera has the advantages that the office desk lamp of the structure enables a desk lamp and a camera, which are separated from each other originally, to be combined together, and the camera is placed on the desk lamp, so that space is saved, working and living environments are neater, and comfortable working and living environments are created for people; the desk lamp is provided with the camera to enable the two to be closer, and accordingly, definition of the camera at night is improved greatly, and a user can see people and objects clearly when using the camera at night; the office desk lamp with the camera achieves both a desk lamp function and a camera function and is more attractive by combining the two; the office desk lamp with the camera is simple in structure, more attractive in appearance, convenient, practical, saving in resource, higher in resource use ratio and suitable for popularization and application.

The invention relates to a graphene-based deodorizing pet urine pad and a manufacturing method thereof. The method comprises the following steps of: firstly, dispersing oxidized graphite into water, performing ultrasonic dispersion to form graphene oxide dispersion liquid A, then putting the oxidized graphene dispersion liquid A and phytic acid in a polytetrafluoroethylene reaction kettle for reaction, and freeze-drying to obtain a graphene sponge material B, using a catalyst for carrying out homogenizing treatment, using a coupling agent for surface modification treatment to obtain a graphene-based deodorant C, and mixing the graphene-based deodorant C with high-absorbency resin to obtain a mixture D, pressing the mixture D with toilet paper and wood pulp sequentially to obtain an absorption layer, compounding the absorption layer with non-woven fabric and bottom layer PE film to obtain the graphene-based deodorizing pet urine pad. The graphene-based deodorizing pet urine pad is non-toxic, is harmless, has no pungent smell, has no stimulation or corrosion effect on the skin of a pet, has outstanding deodorizing function and strong applicability, can remove various odors, has gooddispersibility and has good stability and durability.

The invention belongs to the technical field of agricultural fertilizers and particularly relates to a green organic fertilizer and a preparation method thereof. The green organic fertilizer is prepared from the following raw materials in parts by weight: 10-40 parts of corn straw, 20-40 parts of chicken manure, 10-20 parts of urea, 10-40 parts of montmorillonite and 1-10 parts of organic amine salt. The preparation method comprises the following steps: fully and uniformly mixing the corn straw, the chicken manure, the urea and the montmorillonite in parts by weight, and fermenting at the temperature of 25-40 DEG C for 20-40 days; and further taking out, adding the organic amine salt in parts by weight, and fully and uniformly mixing for preparation. According to the green organic fertilizer disclosed by the invention, waste resources of agricultural products, namely the straw and the chicken manure are fully utilized, the waste is reduced, the production cost is reduced, the waste agricultural products can be utilized, and a living environment of people further becomes cleaner. The green organic fertilizer further has the significant characteristic of high fertilizer efficiency, the fertilizer efficiency is higher than that of an ordinary fertilizer by about 20%, and the green organic fertilizer is of a greener and environment-friendly novel organic fertilizer, and is further suitable for popularization and application in vast rural areas in China.

The invention discloses a small environment-friendly kitchen waste treating device which comprises a bottom plate, a feeding device, a pushing device, a first filtering device, a second filtering device, a collecting device, a grinding device and a baffle device. A first box and a second box are arranged on the bottom plate. The feeding device comprises a feeding hopper, a first frame, a first transverse plate, a first baffle, a first moving plate, a first support, a first inclined rod and a first vertical rod. The pushing device comprises a first air cylinder, a second support, a first push rod, a first push block and a third support. The first filtering device comprises a first pipeline, a third vertical rod, a second frame, a first sponge block, second springs, a first filtering net, a second filtering net and second inclined rods. The second filtering device comprises second sponge blocks, a second transverse plate, third springs, a third transverse plate, third filtering nets, first supporting rods, a third frame and second pipelines. The small environment-friendly kitchen waste treating device can be used for treating and processing kitchen waste in a classified manner so that corresponding treatment can be conducted, and the utilization rate of resources is increased.

The invention relates to the technical field of garbage treatment and recovery, in particular to an environment-friendly kitchen waste treatment device, which includes a casing, a feeding hopper is arranged on the top of the casing, a crushing chamber is arranged on the lower side of the feeding hopper, and a solid-liquid device is arranged on the lower side of the crushing chamber. Separation chamber, a guide plate is set between the solid-liquid separation chamber and the crushing chamber, and a liquid treatment box is set on the lower side of the left end of the solid-liquid separation room. There is a solid treatment box. In the present invention, by setting a liquid treatment box, sewage can be sterilized, and oil-water separation and water quality purification can be realized, so that the discharged domestic wastewater is clean. Kitchen waste can be treated by setting a dryer. Dry particles can be used as organic fertilizers. By setting the air pump, the first ventilation slot and the second ventilation slot, the garbage accumulated on the baffle can be blown up, so that the drying efficiency of the garbage can be improved.

A method for concentrated emission reduction of enamelling machine groups, comprising: a. connecting the secondary catalytic exhaust gas discharge flues (3) of at least two enamelling machines (1) to form a centralized flue (6); b. The centralized flue (6) is connected to the centralized three-time catalytic combustion chamber (7); c. the final waste gas discharged from the concentrated three-time catalytic combustion chamber (7) is introduced into the final waste gas pipeline (10); d. the final waste gas pipeline (10) ) into the final spray chamber (11); the final waste gas enters the final spray chamber (11) from the final waste gas pipeline (10); e. the exhaust gas escapes from the final spray chamber (11). What the present invention escapes finally is clean gas, without peculiar smell. The exhaust gas escape temperature is only 40°C, much lower than the 300°C of the prior art. The atmospheric environment and corporate image around the factory area have been significantly improved.

The invention discloses an intelligent wardrobe based on vision. The intelligent wardrobe comprises a wardrobe body, two wide-angle cameras, a mechanical arm, a raspberry pi B+ and an STM32 development board. The wide-angle camera is controlled through the Raspberry Pi B+, and the mechanical arm steering engine driving board is controlled through the STM32 development board to drive the mechanicalarm to work. The system has advantages of being intelligent, easy to operate and convenient to use, the arrangement requirement of a user can be met, time and labor are saved, and the family life becomes very convenient.

The invention relates to a low-temperature tower type flue purification device and an application method thereof. The low-temperature tower type flue purification device mainly comprises a purification tower, a draught fan and an air blower, wherein the draught fan is arranged on the lateral lower side of the purification tower; a plurality of condensation adsorption nets are uniformly mounted in the purification tower with a horizontal included angle of 5-15 degrees; a plurality of liquid spraying holes are formed in one side of the purification tower and are mounted under one fixed side of each condensation adsorption net; the air blower is arranged at the top of the purification tower; a filter screen plate is arranged under an air outlet of the air blower; a liquid spraying opening is arranged above one fixed side of the filter screen plate; and a plurality of groups of heat pump systems which independently and circularly work are arranged at the outer part of the purification tower. The application method comprises the following steps: when air entering from an air inlet of the draught fan collides with the bottommost layer of the condensation adsorption nets, the air in the purification tower is sequentially cooled and condensed; and the air is adsorbed by the condensation adsorption nets layer by layer until the air passing through the filter screen plate reaches emission standards. The low-temperature tower type flue purification device has the beneficial effects that the low-temperature tower type flue purification device has the advantages of novel structure, high purification efficiency and long service life.

The invention discloses a baby black Guinea pig breeding method comprising the following steps: step A, choosing a breeding box of 0.5-1 square meters, disinfecting the breeding box, exposing the breeding box to the sun, controlling the temperature of the breeding box at 18-25 DEG C and the relative humidity at 40-50%, and setting aside for later use; step B, feeding a baby black Guinea pig with a first feed three times a day and a first green fodder once a day in the period from the time of weaning to the age of 20 days of the baby black Guinea pig; and step C, feeding the baby black Guinea pig with a second feed three times a day and a second green fodder once a day and feeding the baby black Guinea pig with 5-10ml nutritive water every morning in the period from the age of 21 days to the age of 40 days, thus obtaining a robust adult black Guinea pig. By adopting the method, the immune power of baby black Guinea pigs can be enhanced, the growth of baby black Guinea pigs can be speeded up, the nutrition of black Guinea pig meat is more comprehensive, and the economic benefit of black Guinea pigs is improved.

The invention discloses a small environment-friendly kitchen waste treating device which comprises a bottom plate, a feeding device, a pushing device, a first filtering device, a second filtering device, a collecting device, a grinding device and a baffle device. A first box and a second box are arranged on the bottom plate. The feeding device comprises a feeding hopper, a first frame, a first transverse plate, a first baffle, a first moving plate, a first support, a first inclined rod and a first vertical rod. The pushing device comprises a first air cylinder, a second support, a first push rod, a first push block and a third support. The first filtering device comprises a first pipeline, a third vertical rod, a second frame, a first sponge block, second springs, a first filtering net, a second filtering net and second inclined rods. The second filtering device comprises second sponge blocks, a second transverse plate, third springs, a third transverse plate, third filtering nets, first supporting rods, a third frame and second pipelines. The small environment-friendly kitchen waste treating device can be used for treating and processing kitchen waste in a classified manner so that corresponding treatment can be conducted, and the utilization rate of resources is increased.

The invention discloses a healthy house for suckling piglets. The bottom of the body; the greenhouse controller is placed on the top of the house body and connected with the heating device. The healthy house in the present invention can control temperature and humidity, and can improve the survival rate of piglets.

The invention discloses a novel mop spin-drying barrel. The novel mop spin-drying barrel comprises a water storage barrel, a water separation barrel, a spin-drying barrel, a transparent upper cover, adownward-pressing rotating device, a mop rod, a spin-drying barrel inner partition plate, water guide grooves and a mop head; the water storage barrel is of a hollow cuboid structure; the transparentupper cover is arranged above the water storage barrel and is fixed with an upper edge clamping groove of the water storage barrel through a connecting shaft; the water separation barrel is arrangedin the water storage barrel and is in a hollow cylindrical shape without a cover; the spin-drying barrel is in a hollow cylindrical shape without a cover and is coaxially assembled with the water separation barrel; and three water guide grooves are formed in the inner wall of the spin-drying barrel and are spirally arranged from bottom to top. The novel mop spin-drying barrel is simple in structure, low in manufacturing cost and durable. Water saving is achieved, while a plurality of large (relatively long) mop heads can be effectively cleaned and spin-dried, time and labor are saved, and thecleaning effect is higher (when the last mop head is in use, the mop head is washed and spin-dried under the condition of clean water).

The invention provides intelligent control equipment for a park power supply system and the park power supply system. The intelligent control equipment comprises a power supply controller; the power supply controller is electrically connected with renewable energy power generation equipment, battery energy storage equipment and commercial power conversion equipment respectively; the power supply controller receives the electric energy generated by the renewable energy power generation equipment, converts the electric energy and outputs the electric energy to the battery energy storage equipment, so that the battery energy storage equipment stores the electric energy; and the power supply controller receives the electric energy output by the battery energy storage equipment, converts the electric energy and outputs direct current to the commercial power conversion equipment, so that the commercial power conversion equipment converts the direct current into alternating current meeting the voltage range of the commercial power and supplies power to park electric equipment through a commercial power supply network. According to the invention, renewable energy is applied to the park, the renewable energy is utilized to generate electric energy and store the electric energy, and the stored electric energy is input into the mains supply to supply power to all electric equipment in the park when power is needed, so that the equipment plays a positive role in creating a clean and sustainable human settlement environment.

The invention belongs to the technical field of livestock breeding and in particular relates to a method for raising pigs. The method comprises the following steps: (1) establishing a pig farm; (2) selecting boars; (3) performing feeding management: feeding the pigs in a free feeding mode, expelling the pigs from a hog house to a sports field to move for 1-3 times every day, 1-3h per time; and (4) performing pig farm management: when the pigs move in the sports field, cleaning the hog house, wherein the sports field is cleaned once every 1-3 days, and spraying a disinfectant to the hog house and the sports field once every 3-7 days to disinfect. The method can promote digestive absorption of the boars and enhance the immunity of the pigs. A clean survival environment can be provided for the pigs, the morbidity rate of the pigs is decreased, healthy growth of the pigs is accelerated, and the pork is good in flavor.

A portable device for picking up articles under a bed comprises a handle, a plurality of square rods, clamps and a mopping tool. The handle serves as a part held by a user during use, and a display screen and a button are arranged on the handle. The square rods are connected end to end in a stretching state, the first square rod is fixedly connected with the handle, and half of the end of the topmost square rod is thin. The clamps and the mopping tool are arranged at the front end of the topmost square rod. When the square rods are changed into a vertical state from a left-right sequential connection state, the articles far away from the user under the bed can be conveniently taken, the user screws a rotary knob by hand, then a steel wire rope pulls a rack to move inwards, and then the articles under the bed are taken through the clamps. The working efficiency is improved, the working time is saved, and the embarrassment of wasting time and labor for taking the articles under the bed is avoided. The user can be helped to clean the place below the bed, and the body health of the user is guaranteed.