75results about How to "Suitable living environment" patented technology

The invention discloses kitchen waste filtrate treatment equipment and method. The treatment method comprises the steps that the kitchen filtrate firstly enters an oil separation tank used for separating oil substances from water substances; the water after separation is converged into a regulating tank and the water quality and quantity are regulated; the effluent enters a reaction tank, PAC (polyaluminium chloride) and PAM (polyacrylamide) are added to the effluent, so that fine particles in the water form a plenty of alum flocs, and then the alum flocs precipitate to be separated in a precipitation tank, thus removing most oil and scum; the effluent from the precipitation tank automatically flows into a neutralization tank, the pH value is regulated to neutral and then the effluent enters a pressure dissolved air floatation tank used for removing the scum formed by the flocculated suspended matter particles or oil particles brought on the water surface from the wastewater; then the pollutants such as organic matters, ammonia nitrogen and the like are removed by the pretreatment+anaerobic+aerobic precipitation+sand filtration technology of an exclusively added backflow sludge contact reactor; finally the wastewater reaches discharge standard.

The invention provides a safety monitoring method and device, and a vehicle. After a vehicle locking signal is received through a vehicle CAN (Controller Area Network)) bus, a life detector is used for detecting a life body inside the vehicle, so that alarm information is sent to a preset mobile terminal when the life body is detected inside the vehicle, and then a user which holds the mobile terminal returns to the vehicle to check and take a child out of the vehicle to solve the technical problem that in the prior art, safety monitoring cannot effectively prevent the child from being forgotten in the vehicle. Furthermore, the air temperature and oxygen content in the vehicle are adjusted, so as to keep the oxygen content in the life body in a relatively stable level, and further maintain the living environment suitable for the life body.

The invention discloses a method and a device for removing heavy metals and POPs in organic wastes by electromagnetic reinforcement. The method comprises the following steps of: firstly preparing theorganic wastes into slurry; applying a magnetic field to the slurry to make sure that the heavy metals and the POPs in the slurry are transformed into a water solution state; separating the organic waste slurry into two components; afterwards applying an electric field to the slurry, migrating water molecules and the heavy metals and POPs which are continuously transformed into the water solutionstate to a cathode region of the electric field under the effect of electro-migration, and meanwhile migrating the components of the organic wastes to an anode region of the electric field so as to realize separation of the two components; and filtering and dehydrating the organic waste slurry to finally obtain harmless low-water-content organic wastes. The method and the device disclosed by the invention can be used for efficiently removing large-particle impurities, some heavy metals and the POPs in the organic wastes, can also reduce the water content of the organic wastes to 30% to 50%, thereby overcoming the defects that a traditional organic waste treatment method is low in efficiency, takes effect slowly and has no oneness.

The invention relates to application of fishing electrified water for removing fishy smell of living freshwater fish, and belongs to the field of aquaculture. The fishing electrified water is applied to remove the fishy smell of the living freshwater fish, the fishy smell can be effectively removed, and good appearance and quality of commercial fish are guaranteed. According to the application and method of the fishing electrified water for removing the fishy smell of the living freshwater fish, the operation is sample, the controllability is strong, the effect achievement is fast, the market vacancy and the technology gap of products capable of removing the fishy smell are filled up, and the fishing electrified water for removing the fishy smell of the living freshwater fish has wide application prospect. The method can effectively solve the problem that the fishy smell of the living freshwater fish is difficult to remove, the operation is simple and convenient, the controllability is strong, and the environmental protection, the high efficiency and pollution-free performance are achieved.

The invention discloses a soil restoration method which includes the steps: restoration pretreatment: detecting the content of various heavy metal components in soil and preparing fixing agents according to detection data; soil turning and spraying: intermittently spraying the prepared fixing agents to the surface of the soil and deep plowing the soil. According to the soil restoration method, richness of organisms in the soil can be improved, soil restoration is accelerated, the content of heavy metals in the soil can be further reduced, so that soil environments reach optimum living environments suitable for hyperaccumulators, endophytic bacteria are implanted into the hyperaccumulators and can be combined with heavy metal ions in the hyperaccumulators by secreting various organic ligands, the availability of the heavy metals is increased, heavy metal absorption and transfer of host plants to overground stem leaf portions are improved, the content of the heavy metals in the soil canbe reduced, and a better use prospect is brought.

The invention discloses a reconstruction method of a plough layer of a waterlogging farmland. The method comprises the following step of sequentially spreading a water permeable layer, a filtering layer, a soil dressing layer and a surface soil re-covering layer from top to bottom from an excavation surface of the bottom surface of the plough layer to the surface of a previous plough layer, wherein the water permeable layer is composed of coarse sand; the filtering layer is composed of straws; the soil dressing layer is composed of soil outside the previous plough layer; and the surface soil re-covering layer is composed of soil of the previous plough layer. The reconstructed plough layer of the farmland can guarantee a drainage function of the waterlogging farmland and also can improve the ventilation and water permeability of the soil; and the adaptability to a crop growth environment is considered, longitudinal and transverse water drainage of water is effectively solved, and the drainage coefficient of the farmland is improved.

The invention provides a breeding method for improving bee immunity, and relates to the technical field of bee breeding. The method includes the steps: bee field selection; beehive arrangement; beehive disinfection; bee multiplication; breeding management. According to the method, breeding environments and feed of bees are scientifically managed, managers particularly pay attention to spring multiplication and pest and disease damage control, so that the bees have suitable living environments, swarms are expanded, and the bee immunity is improved, and honey yield and economic benefits are improved.

The invention discloses a centrifugal drum type sewage filtering and recycling device. The device comprises a base, wherein the upper end of the base is fixedly connected with an outer box body, the outer box body is internally and rotatably connected with a rotary drum box, the inner wall of the rotary drum box is provided with a plurality of filtering holes, the inner bottom of the outer box body is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected to the lower end of the rotary drum box, a mud scraping ring is slidably connected to the interior of the rotary drum box, and a plurality of bristles are fixedly connected to the circumferential outer wall of the mud scraping ring. Kinetic energy generated when the rotary drum box rotates is used for driving the sludge scraping ring to continuously rotate, under the cooperation of a reciprocating lead screw and a lead screw nut, the sludge scraping ring can move up and down in a reciprocating mode, so that sludge thrown to the inner wall of the rotary drum box is scraped off, and the situation that the sludge is accumulated on the inner wall of the rotary drum box and blocks the filtering holes is prevented; in this way, high sewage filtering efficiency can be kept without shutdown cleaning, and compared with a traditional treatment means, water resources are saved, and the overall sewage treatment efficiency is improved.

The invention discloses a process for treating high-concentration oil refining wastewater, which mainly comprises the following steps: the oil refining wastewater is subjected to physicochemical pretreatment such as oil removal, air flotation and the like; the pretreated wastewater is delivered to a three-section biochemical treatment system; according to the water quality condition of the wastewater, the biochemical treatment unit of the first section can be switched into a facultative reaction tank or an aerobic reaction tank to correspondingly complete front denitrification reaction or aerobic reaction to remove sulfides; a phosphate is quantitatively added into the biochemical treatment unit of the second section, and organic pollutants such as volatile phenol and the like are mainly removed; the biochemical treatment unit of the third section mainly completes nitration reaction, a mixed solution of sodium hydroxide and sodium carbonate is accurately added, and the alkalinity and the pH value are regulated to create an optimal nitration environment; the biochemical tank of each section is operated in a plug flow manner, and the interior of each tank is of internal-circulation complete mixing manner; and the biochemically treated wastewater is delivered to an oblique tube sedimentation tank, and the bottom sludge of the sedimentation tank is lifted by an air lift device. The system adopting the process discharges clear water and runs stably, and the process is flexible and can adapt to the oil refining wastewater of various concentration.

The invention relates to the technical field of biology, and discloses tooth specimen preservation liquid and application thereof and a tooth specimen preservation method. The preservation liquid comprises sodium chloride, potassium chloride, disodium hydrogen phosphate, monopotassium phosphate, penicillin, streptomycin and amphotericin B. Sodium chloride, potassium chloride, disodium hydrogen phosphate, monopotassium phosphate, penicillin, streptomycin and amphotericin B are selected to form the novel tooth specimen preservation liquid; compared with existing preservation liquid, the preservation liquid can provide a living environment more suitable for dental pulp stem cells, the activity of the dental pulp stem cells is not influenced, meanwhile, the contamination degree of bacteria on the cells is greatly reduced, and effective protection is provided on the aspects of preservation and transportation.

The invention provides a bullfrog breeding feed platform. The bullfrog breeding feed platform is composed of a feed platform body and an aquatic plant box. The feed platform body is latticed or stripy and detachably connected with the aquatic plant box. The aquatic plant box is composed of a bottom and side faces. A filter screen is laid on the surface of the feed platform body and detachably connected with the feed platform body. The bullfrog breeding feed platform is simple in structure, convenient to use and clean, and easy to disinfect, waste of feed and water and soil pollution can be prevented, redundant nutrients can be used for nourishing aquatic plants, and thus ecological coexistence of the aquatic plants and bullfrogs is achieved.

The invention relates to the field of biological culture equipment, in particular to an ecological agriculture high-density biological culture device. An escape-proof assembly is internally provided with a feeding assembly, and humidifying assemblies are arranged on the upper portions of the escape-proof assembly and the feeding assembly; a base window is formed in the middle of a base, runs through the base and is shaped like a rectangle; the feeding assembly comprises a sliding plate, sliding grooves, a rake assembly and a collecting assembly, the sliding grooves are fixedly formed in the upper portion of the base and fixed in the two sides of the edge of the base window, the sliding grooves are each shaped like C, the sliding plate is a rectangular metal plate, the sliding plate is matched with the base window, the two sides of the sliding plate are arranged in the sliding grooves, the sliding plate can slide in the sliding grooves, the collecting assembly is attracted to the rear portion of the sliding plate, and the rake assembly is arranged on the front portion of the sliding plate; each humidifying assembly comprises a main water delivery pipe, a branch pipe and an atomization nozzle. Accordingly, the structure is simple and reasonable, snails are not likely to climb out of a breeding room to be lost, and in the snail culture process, a cushion can be replaced conveniently in time.

The invention discloses a soil remediation method for landscape ecological environmental protection. The soil remediation method comprises the following steps of: evaluating and collecting of soil; sieving treatment; stirring treatment; filtering treatment; drying treatment; detection; soil filling; water sprinkling; addition of microorganisms; and final-period management. According to the soil remediation method for landscape ecological environmental protection, a remediation agent is used for remediating soil, the soil environment is improved, the content of microorganisms in the soil is increased, the decomposition effect of the microorganisms on pollutants is further enhanced, the remediation effect is improved, a more suitable living environment is provided for plants, and the soil remediation method is wide in application range, low in cost, efficient, energy-saving, economical, environmentally friendly and suitable for wide market requirements.

The invention provides a low bed reinforced surface flow constructed wetland system and operation methods thereof. The constructed wetland system comprises a water inlet pipe, water distribution weirs, a bed body, water outlet weirs and a water outlet pipe, wherein the bed body is filled with a matrix, the water inlet pipe and the water outlet pipe are arranged on the bed body, the water distribution weirs and the water outlet weirs are arranged on one side of the water inlet pipe and one the side of the water outlet pipe in the bed body respectively, the bottom surface of the bed body is inclined from a water inlet end to a water outlet end, the inclination is 3.5%-5%, and low beds are formed through ridging on the matrix surface. The low bed reinforced surface flow constructed wetland system has two operation methods including a submerged type and a non-submerged type. The low bed reinforced surface flow constructed wetland system has small occupied area and low investment and operation cost, the operation and maintenance management are convenient, the contact area of the matrix is increased, the absorption and filtering efficiency of the matrix is higher, emerged plants, submerged plants and floating plants are matched and planted, the plant diversity is improved, the sewage purification effect is improved, more appropriate living environment is provided for aquatic organisms, and the food chain of the constructed wetland system is more complete.

The invention discloses a planting method of square watermelons, and relates to the technical field of watermelon planting. The planting method comprises the following steps of 1, land preparation; 2, fertilization; 3, variety selection; 4, seed pretreatment; 5, sowing; 6, film covering; 7, thinning; 8, watermelon seedling management and 9, shaping. According to the planting method of the square watermelon, not only the watermelons with the specific shapes can be obtained, but also the yield and the economic benefit of the watermelons can be effectively increased; in addition, the planting method of the square watermelon further has the advantages of being convenient to transport and store, and has good significance.

The invention discloses a multifunctional treatment method for tailings. The multifunctional treatment method comprises the following steps of putting the tailings and leachate into a treatment device, carrying out magnetization under the conditions of stirring and 0.04-4 mT magnetic field, after magnetization treatment, treating a mixture under the conditions of stirring and external 6-360 V electric field, enabling ions in the mixture to generate directional migration under the action of electric field force, enabling anions and cations to correspondingly penetrate through an antimony tailing composite membrane arranged in the treatment device and collecting to an anode area and a cathode area, enriching metal ions on a cathode, meanwhile, generating hydrogen near the cathode due to the action of electrodes, collecting the hydrogen to serve as clean energy, carrying out solid-liquid separation after treatment is completed, washing leaching residues with water and then adding a cementing material, stirring and uniformly mixing under an electromagnetic condition, forming, and carrying out electromagnetic curing for 1-28 days to obtain a building material, and recycling a leaching solution. The method is easy to operate, good in separation effect, high in practicability and wide in market application prospect.

The invention discloses a fresh-keeping storage device in a living aquatic product transportation process. The fresh-keeping storage device in the living aquatic product transportation process comprises a box, wherein a fresh-keeping cavity is formed in the box, a sealing device is arranged on an upper end inner wall of the fresh-keeping cavity, and the sealing device comprises placement openingswhich are located in the upper end inner wall of the fresh-keeping cavity in a bilaterally symmetric mode. According to the fresh-keeping storage device in the living aquatic product transportation process, the volume of stored ice cubes can be adjusted, the temperature in the fresh-keeping cavity is controlled, both the box and the fresh-keeping cavity can be sealed by means of valves, compared with a foam insulated box, the fresh-keeping storage device in the living aquatic product transportation process has the advantage that water is not liable to flow out, moreover, a connection rod and aconnection foot which can be fixed in a riveting connection mode are arranged at the upper and lower ends of the box, thus the problem that the foam insulated box is liable to be squeezed and damagedin a transportation process is avoided, and meanwhile, a venting device which can purify and filter air and a water source impurity removing structure are arranged on the inner portion, so that a proper living environment of living aquatic products in the transportation process is ensured, and the probabilities of survival and fresh-keeping are increased.

The invention discloses a swill three-phase separation device with crushing and extrusion functions and a three-phase separation method thereof. The swill three-phase separation device comprises a frame body, a sorting system, a crushing system, an extrusion system and an oil-water separation system. The sorting system comprises a sorting platform and a screen plate, wherein the sorting platform is used for containing kitchen swill, and the screen plate is used for solid-liquid separation of the kitchen swill. The crushing system is used for crushing and rolling solid wet garbage separated from the screen plate. The extrusion system comprises an extrusion shell, a screw rod, an extrusion motor and a locking mechanism. The oil-water separation system comprises an oil separation tank, an oilscraping mechanism and a liquid outlet mechanism. According to the swill three-phase separation device, through a pressure block and a spring, the position of a discharging block is adjusted, the discharging amount is adjusted, and the water content of extrusion materials is adjusted and controlled according to the moisture content of various kitchen waste, so that the moisture content of the extruded materials reaches an actual required standard, the proper living environment of subsequent biodegradation reaction strains is guaranteed, and the subsequent degradation rate and effect are improved.