93results about How to "Affect the environment" patented technology

The invention discloses a multifunctional integrated cooker with waste heat collection devices. The multifunctional integrated cooker comprises a body, an exhaust fume collecting hood and a protective plate, wherein a cooking bench is arranged on the top surface of the body; at least two cookers are arranged on the cooking bench; the exhaust fume collecting hood comprises a side plate, a smoke guide plate, an air door and a smoke stop cover; the waste heat collection devices are arranged in the hearths of the cookers; at least four height adjusting devices are arranged at the bottom of the body; the height adjusting devices comprise rollers, screw rods, limiting nuts, lifting seats and supporting rods; and the protective plate is positioned below the body and is connected with the body. The multifunctional integrated cooker disclosed by the invention is simple in structure and high in practicality, and due to the waste heat collection devices, the heat energy utilization rate during fuel gas combustion is improved, and the energy consumption is reduced. Moreover, cold water can be heated by virtue of heat, the water can be drunk and can be used for cleaning the cookers, and the cookers are convenient to use; and due to the design of an anti-counter-flow device, the condition that pollution of a kitchen environment is caused due to smoke recirculation in the flue is avoided, the cooker is safe to use, and the comprehensive utilization efficiency is improved.

The present invention discloses a production method of kerosene solvent naphtha and its catalyst for said method. In said method the raw material oil is straight-run kerosene or hydrocracked kerosenefraction with 130-300 deg.c, and a hydrogenation method is adopted to produce high-quality kerosene solvent naphtha. Said used hydrogenation catalyst is W-Ni-TiO2-Al2O3 or W-Mo-Ni / TiO2-Al2O3, and thehydrogen fractional pressure required for hydrogenation is 6.0-15.0 MPa, reaction temp. is 220-360 deg.C, and the volume space velocity is 0.3-2.0 h(-1), and the hydrogen-oil volume ratio is 300-800.The product produced by using said invented mether is white in colour, and is non-toxic, harmless and smelless, its sulful and nitrogen contents are less than 1 microgram / g, and its arene content is less than 200 microgram / g.

The invention discloses a preparation method of an oil-water separation fabric, belonging to the technical field of functional materials. The preparation method comprises the following steps of: 1, cleaning and drying the fabric; 2, sequentially adding sodium hydroxide and zinc nitrate hexahydrate particles into water, magnetically stirring, washing with water, centrifuging and drying; 3, carrying out hydrophobic modification on the zinc oxide particles obtained by the method by using stearic acid, washing with alcohol, and drying; 4, preparing a tetrahydrofuran solution of polystyrene, and uniformly dispersing the hydrophobic zinc oxide particles into the tetrahydrofuran solution; and 5, carrying out the method 1 comprising the steps of soaking the fabric into the mixture solution in the step 4, taking out and then placing in a clean watch glass and drying at room temperature, or carrying out the method 2 comprising the steps of spreading the fabric in the clean watch glass, sucking a certain of the mixture solution in the step 4 and uniformly coating on the surface of the fabric, and drying at room temperature to obtain the oil-water separation fabric. The preparation method disclosed by the invention has the advantages of simple process, low economic cost, short period, small energy consumption, no need of complex special devices and no existence of multiple subsequent problems, and has great application prospects in the future.

The invention relates to the technical field of textiles and especially provides suede fabric suitable for household articles such as sofas, hugging pillows and back cushions and a preparing process therefor. The fabric includes warp yarn and weft yarn and the imitation suede fabric is formed by mutual rising and sinking and criss-crossed weaving of the warp yarn and the weft yarn; the warp yarn and the weft yarn are woven into five heddle satin texture; the minimum five heddle satin texture unit of the imitation suede fabric is formed through interweaving of five pieces of warp yarn and five pieces of weft yarn; the five pieces of warp yarn of the minimum five heddle satin texture unit all form a 4 / 1 structure at the position of superposition with each piece of weft yarn, and the five pieces of weft yarn of the minimum five heddle satin texture unit all form a 1 / 4 structure at the position of superposition with each piece of warp yarn; the warp yarn is 105D sea-island filaments and the weft yarn is characterized by 200D / 96F semi-gloss polyester low-elasticity interlaced yarn double-weft combined jet; the warp density of the finished product of the imitation suede fabric is 204 pieces per inch and the weft density of the finished product is 89 pieces per inch. The preparing processing of the fabric comprises the steps of warping, weaving, gray fabric inspection and dyeing and finishing. The fabric is woven by using a sizing-free process, so that the influence of sizing on the environment and the quality of the fabric is prevented, environment is protected, the fabric has the texture closer to that of suede fabric and the suede imitating effect is good.

The invention discloses a pit digging device for forestry planting. The pit digging device comprises a supporting plate, a water tank, batteries, a water pump, a solar panel, supporting legs, first threaded rods, second threaded rods, electric push rods, a motor, a drill rod and nozzles. The pit digging device has the advantages of being simple in structure, convenient and practical. The first threaded rods and the supporting legs are arranged, and the relative position of the first threaded rods and the supporting legs is adjusted to ensure that the supporting plate can be kept horizontal when the ground is uneven or inclined, so that pit digging is always conducted vertically downward; the second threaded rods are arranged to fix the whole device on the ground, and the stability in thepit digging is ensured to facilitate the pit digging; the water tank, the water pump and the nozzles are arranged, the water pump pumps the water in the water tank to a main water pipe, then the waterflows into branch water pipes and sprayed from the nozzles, the water is sprayed when the pit digging is conducted, on the one hand, dust can be reduced to prevent dust from scattering and affectingthe health of workers and environment, and on the other hand, the soil can be softened to make the pit digging more convenient and fast.

The invention discloses a waste plastic bottle label separation system and application thereof, and belongs to the technical field of waste plastic bottle recycling. The waste plastic bottle label separation system comprises a soaking pond, a stripping mechanism, a winnowing mechanism and a picking platform which are sequentially arrayed according to the working procedures. The soaking pond communicates with the stripping mechanism. The stripping mechanism, the winnowing mechanism and the picking platform sequentially communicate with one another through a feeding auger. A bottle body label of a waste plastic bottle is softened by means of soaking, then the stripping mechanism is used for stripping the label, and afterwards, hand picking is performed after the winnowing mechanism is used for blowing off the label, so that the purpose of thoroughly separating the waste plastic bottle label is achieved, and recycling of the waste plastic bottle after treatment can be facilitated. By means of the waste plastic bottle label separation system and the application thereof, the problems that the bottle body label of the waste plastic bottle is tight in bonding and cannot be separated easily in the prior art, and secondary pollution is likely to be caused when a chemical method is adopted for treatment are solved.

The invention discloses polishing equipment for wheel hub machining. The polishing equipment comprises a supporting frame; a polishing box is fixedly installed at the top of the supporting frame, the left side of the polishing box is provided with a notch, and a box door is hinged into the notch through a rotary shaft; a first slide rail is fixedly installed at the top of an inner cavity of the polishing box, a second slide rail is fixedly installed at the bottom of the inner cavity of the polishing box, and a fixing frame is arranged between the first slide rail and the second slide rail; and connection rods are integrally formed at the top and the bottom of the fixing frame, and the two connection rods are both slidably connected with the first slide rail and the second slide rail through connection seats arranged at one ends of the two connection rods correspondingly. According to the polishing equipment, a wheel hub is fixed by using the fixing frame and then is driven to rotate by a motor to be polished without manual control, a large amount of time can be saved, the working efficiency can be improved, in addition, dangers can be avoided, and using is safer.

The invention relates to a convenient troweling device with a dust suction function. The convenient troweling device comprises a main body and a handle, and further comprises a dust suction mechanismand two moving mechanisms; the dust suction mechanism comprises a driving component, a first bearing, a second bearing, a connection tube, a communication tube, a horizontal tube, a dust box, an ash discharge tube, a filter screen, two dust suction assemblies and a plurality of blades; each moving mechanism comprises a moving box, a support shaft and a moving wheel, wherein the moving box is internally provided with a moving component, and the moving component comprises a first motor, a gear, a rack, a moving block and an adjusting rod. The convenient troweling device with the dust suction function can absorb dust generated during the smearing work through the dust suction mechanism, prevents the condition that the dust is scattered everywhere, and consequently the surrounding air environment is influenced; and equipment movement can be facilitated by the moving mechanisms.

The invention discloses a full-automatic pulverized coal sampling and analyzing meter. The full-automatic pulverized coal sampling and analyzing meter comprises a sampler, an analyzing system, a control unit and a weighing device and is characterized in that the sampler and the analyzing system are sequentially fixed to the support from top to bottom, and the output port of the sampler is communicated with the input port of the analyzing system; the sampler is used for sampling pulverized coal and inputting the pulverized coal samples into the analyzing system, the analyzing system is used for classifying the pulverized coal samples according to different particle sizes, the weighing device is used for weighing the pulverized coal samples different in particle size, and the control unit is used for controlling operation of the sampler, the analyzing system and the weighing device. The full-automatic pulverized coal sampling and analyzing meter improves accuracy of analysis results, reduces labor intensity of operators, has no adverse effect on operator health and environment and improves working efficiency as the test time is fixed.

The invention discloses concrete containing regenerated micro-powder and a preparation method of the concrete. The concrete containing the regenerated micro powder comprises the following components in parts by mass: 15-20 parts of Portland cement; 5-8 parts of water; 30 to 35 parts of sand; 40 to 45 parts of stone; 0.7 to 1.2 parts of regenerated micro powder; wherein the regenerated micro powderis formed by directly crushing construction waste, the particle size of the regenerated micro powder is 0.1-0.15 mm, and the particle size of the stone is 5-25 mm. The preparation method comprises the following steps: S1, preparing the regenerated micro powder; S2, pretreating the regenerated micro powder; S3, preparing the concrete. The compressive strength and the ultraviolet resistance of theconcrete containing the regenerated micro powder are improved by fully utilizing the regenerated micro powder.

The invention discloses an experimental biological safe purifying platform. The experimental biological safe purifying platform comprises an operating platform frame; a working box is arranged at thecenter of the front side of the operating platform frame; a workbench is arranged at the bottom of the working box; semi-circulating air purifying mechanisms are arranged at the top and the bottom ofthe operating platform frame; glass walls are arranged on the side surfaces of the working box; a square hole is formed in the center of the front side surface of the working box; the top end of the square hole is movably connected with an operating window door; an anti-interference air purifying mechanism is arranged at the connection position of the operating window door and the square hole; theanti-interference air purifying mechanism is connected with the semi-circulating air purifying mechanisms; and a non-light experiment mechanism is arranged on the back side surface of the working box. According to the device, the working box still can maintain the clean environment when the operating window door is opened to perform experiment; meanwhile, the device can adapt to various experimental environments, so that the use range of the device is wider; in addition, part of air passing through the working platform can be completely utilized, waste is avoided and the burden of the air purifying device can be reduced.

The invention relates to an energy-saving unpowered lower opening type tyre vulcanizing segmented mold which comprises a vulcanizing upper mold, a vulcanizing lower mold and a segmented module. The segmented mold is characterized in that the vulcanizing upper mold comprises an upper tapered mold sleeve, the upper surface of the inner side of the upper tapered mold sleeve is fixedly provided with an upper steel ring and an upper tyre side plate, a guide block is arranged on the inner tapered surface of the upper tapered mold sleeve, the vulcanizing lower die comprises a lower segmented mold baseplate and a lower tyre side plate fixedly arranged on the lower segmented mold baseplate, the segmented module is connected to the lower segmented mold baseplate and radially moves through a radial sliding device arranged on the lower segmented mold baseplate, and an inclined guide groove which is matched with the guide block is also arranged on the outer side surface of the segmented module. The segmented mold provided by the invention can not only save energy sources and is convenient for operating, but also reduces the equipment cost and has high operation safety.

The invention relates to the technical field of bale plucker, and discloses a disc type automatic bale plucker for primary processing of cotton and linen. The disc type automatic bale plucker comprises a bale plucker body; a portal frame is arranged at the top of the bale plucker body; a plucking cover is arranged at the bottom of the portal frame; a plucking stick movably sleeves the lower part of an inner cavity of the plucking cover; a plucking blade is fixedly installed on the outer side of the plucking stick; a side groove is formed in one side of the plucking stick; and a first motor fixedly sleeves the lower part of one side of an inner cavity of the side groove. According to the disc type automatic bale plucker for primary processing of cotton and linen, the first motor is used as a driver to drive a first gear to rotate clockwise; due to the meshing connection between the first gear and a second gear, a rotary drum on the second gear is driven to rotate anticlockwise; a movable plate on a connecting plate is driven to rotate anticlockwise; and a cleaning plate moves outwards along the outer side of the plucking blade, so that cotton on the plucking blade can be conveniently cleaned, and the plucking blade can be conveniently used for a long time.

The invention provides an adjustable power equipment guardrail. The adjustable power equipment guardrail comprises supporting sleeves, longitudinal supporting rods, quick release buckles, adjustable protective fence structures, guardrail connecting frame structures, reinforcing foot structures, an adjustable guardrail frame structure, a PVC transparent rain shade, longitudinal connecting rods, a transverse mounting plate, a connecting seat, a bird repeller, reinforcing frames, fixing bottom plates and fixing inserting holes; the longitudinal supporting rods are inserted in the upper parts of the internal sides of the supporting sleeves; and the quick release buckles are connected to the external sides of the supporting sleeves and the external sides of the longitudinal supporting rods in asleeving manner. According to the adjustable power equipment guardrail, metal barbed nails are welded on the external sides of steel wire protective ropes to be beneficial for preventing working personnel from climbing the guardrail so as to prevent the guardrail from being damaged; longitudinal guardrails are correspondingly connected to the external sides of L-shaped sleeves and the external sides of L-shaped inserting rods through fixing sleeves to be beneficial for adjusting the distances between the longitudinal guardrails according to use needs; and fixing holes and T-shaped bolts are also arranged on mounting bottom plates to be beneficial for improving the fixing effect of the guardrail during using.

The invention discloses a decorative aluminum alloy door window. A rotating shaft is fixedly mounted at one end of a window frame, a connecting rod is fixedly connected between two window frame pulleys, movable grooves are symmetrically formed in the end, which is away from the rotating shaft, of the middle of the window frame, a movable column is movably mounted in each movable groove, a connecting block is fixedly connected to the bottom end of each movable column, a connecting rod is fixedly mounted at one end of the middle of each connecting block, and a fastening knob is connected to oneend of each connecting rod. Through cooperative use of the movable columns and the connecting blocks, one end of the window frame is separated from the window frame pulleys; through use of the rotating shaft, it is ensured that the window frame and an aluminum alloy window body can rotate, the window frame is conveniently turned over, great convenience is provided for cleaning the window frame andglass, the circumstances that the outward face of the glass of the window frame is inconvenient to clean, consequently, dust is gathered on the surface of the glass, and normal sunlight irradiation is affected are avoided, cleaning personnel can clean the glass without standing outside the window, and the safety is improved.

The invention discloses a novel water drainage pipeline for a kitchen water tank. The novel water drainage pipeline comprises an installation plate, wherein the installation plate is arranged on a kitchen water tank; an outer pipeline is arranged at the lower side of the installation plate; the bottom part of the installation plate is provided with a water drain port; the bottom part of the installation plate is provided with an installation groove; the bottom part of the interior of the installation groove is connected with a connecting plate through a plurality of first springs; the connecting plate is connected with the outer pipeline through a clamping mechanism; a fixing mechanism is arranged in the installation groove; the inner walls of two corresponding sides of the interior of theouter pipeline are fixedly connected with fixed plates; an inner pipeline is fixedly connected between the two fixed plates; the interior of the inner pipeline is fixedly connected with a top plate.The novel water drainage pipeline has the advantages that by arranging a driving mechanism, a first bevel gear is driven to rotate under the water flowing state, then the first bevel gear rotates anddrives a stirring shaft to rotate, the stirring shaft rotates and drives stirring blades to rotate, and the stirring blades rotate, so as to prevent the blockage; by arranging a smelly odor preventingmechanism, the influence to the environment of the kitchen by smelly odor is prevented.

The invention discloses a multi-stage processing device for high-speed train seat parts, and belongs to the technical field of high-speed train seat production. The device comprises a device main body, a drilling table is fixedly connected to the lower surface of the inner wall of the device main body, and an exhaust fan is fixedly connected to the lower surface of the inner wall of the drilling table. According to the multi-stage processing device for the high-speed train seat parts, a heating mechanism, an electromagnet, a first hydraulic rod, a mesh box, a second hydraulic rod, a third hydraulic rod and a water storage box are arranged; through the cooperation of the mesh box and the water storage box, the parts can be directly cleaned after being drilled; through cooperation of the exhaust fan and the heating mechanism, the parts are directly dried after being cleaned; and through the cooperation of the electromagnet, the first hydraulic rod and the second hydraulic rod, the partscan be adsorbed and conveniently and directly moved into a spraying mechanism for spraying, so that the tedious process can be effectively reduced, the operation is convenient, and the processing efficiency is improved.

The invention provides a drying device for shaving board production and processing. The drying device comprises a drying cylinder. A feeding hopper is arranged at the top of one side of the drying cylinder. A discharging device is arranged below the feeding hopper. A heating device is arranged in the drying cylinder. Dust suction devices are arranged on two sides of the bottom of the drying cylinder. A PLC is fixed to one side of the drying cylinder. The PLC is electrically connected with the discharging device, the heating device and the dust suction devices. According to the drying device, hot air is input into a hot air pipe in the drying cylinder through a hot air fan, air vents with the diameters gradually increased from top to bottom are formed in the hot air pipe, by adopting the design in which the diameter of the air vents with the large supply air rate is small, and the diameter of the air vents with the small supply air rate is large, the hot air sprayed out from the air vents is relatively uniform, and the heating efficiency of shaving board production raw materials is high.

The invention provides an occluding sacculus structure. The occluding sacculus structure comprises a sacculus and a sacculus catheter. The sacculus is arranged at the front end of the sacculus catheter, the surface of the balloon is provided with a plurality of electrodes, and the sacculus catheter is provided with a passage pipeline and an electrode connecting wire bundle, wherein the passage pipeline is communicated with the sacculus and the electrode connecting wire bundle is used for connecting the electrodes correspondingly. In the occluding sacculus structure provided by the present invention, The electrode on the surface of the balloon can collect the potential change of the pulmonary vein orifice, and the sacculus can occlude the blood at the distal end of the pulmonary vein orifice, thus effectively avoiding the blood flow scouring and affecting the corresponding surgical effect, so that the pulmonary vein can be stabilized during the operation, and the success rate of the operation can be improved.

The invention discloses a gas turbine housing convenient to mount. The housing comprises side plates, the lower ends of the side plates are fixedly connected with an upper supporting block, a lower supporting block is arranged on the lower side of the upper supporting block, a damping part is arranged between the upper supporting block and the lower supporting block, cooling parts are symmetrically arranged on the upper and lower sides of the side plates, a sound absorbing cotton is arranged between the two cooling parts, and is connected with the side plates through a connecting plate, a convex block and a bolt, the upper ends of the side plates are detachably connected with a cover plate, connecting parts are arranged at the connecting positions of the cover plate and the side plates, multiple exhaust holes are formed in the cover plate, the exhaust holes are connected with fans through connectors and exhaust pipes, the fans are communicated with silencers through the exhaust pipes.The whole housing is connected through connection of the side plates and the cover plate, a small pull rod is pulled to wholly take down the connecting parts, the cover plate is detached from the sideplates, dismounting is rapid and convenient, labor time is saved, the cooling parts are arranged on the side plates, and the heat in the housing can be effectively transmitted to the exterior.

The invention relates to the technical field of water conservancy projects, and discloses a sludge salvage device for a water conservancy project. The sludge salvage device comprises a salvage disc, a water suction pipe, a motor and a rotating shaft, the water suction pipe is fixedly installed at the upper end of the salvage disc, the motor is fixedly installed on one side of the salvage disc, and the rotating shaft is rotatably installed in the salvage disc. The rotating shaft is fixedly connected with the output end of the motor, a salvage mechanism is fixedly installed on the rotating shaft, and a shaking mechanism is fixedly installed on the inner wall of the salvage disc. The salvage mechanism comprises a salvage roller, a rolling ball, a clamping block, an auxiliary spring, a U-shaped plate, a U-shaped collecting plate, a connecting rod, an elastic metal plate, a balance weight ball, a supporting rod, connecting metal, a supporting spring, an auxiliary ball, an inclined rod, a driving ball and bending memory metal. According to the device, sludge can be separated from the U-shaped plate and the U-shaped collecting plate, the sludge is in a whole block state, and the situation that water is too turbid due to the fact that the sludge stirs water, and the water environment is affected is prevented.

The invention discloses a graphite processing center with a dust suction device. The graphite processing center comprises a box body, wherein the box body is internally provided with a graphite processing chamber; the graphite processing chamber is internally provided with a processing platform and processing equipment; a gear transmission box is arranged at the bottom of the processing platform; a graphite powder treatment box is arranged at the right side of the gear transmission box, and is internally provided with two sliding rails that are mutually parallel; the sliding rails are slidingly connected with an extrusion forming mechanism; the dust suction device is arranged at the top of the graphite processing chamber, and is communicated with the graphite powder treatment box through an air supply pipeline; the air supply pipeline is internally provided with a backflow prevention device; a water storage tank and a drying box are arranged at the left side of the graphite powder treatment box; and a cleaning mechanism is arranged at the right side of the graphite powder treatment box. The graphite processing center is simple in structure and high in practicability; dust suction treatment can be carried out on graphite dust generated during graphite processing; the graphite dust can be recycled; a utilization ratio of the graphite dust is increased; and the phenomenon of air backflow is avoided effectively.

The invention discloses an unloading device for a monocrystalline silicon wafer production workshop. The unloading device comprises a frame, and rollers mounted at the bottom of the frame; the frame is provided with a lifting frame capable of moving up and down, and a driving mechanism for driving the lifting frame to move up and down; the lifting frame is provided with an arm frame matched and connected with a rod pasting tool; the bottom of the frame is fixedly provided with a mortar collecting box always positioned below the arm frame; and the mortar collecting box is provided with an upward opening. The unloading device is reasonable in structure, can prevent mortar from falling on the ground to influence the workshop environment during transferring cut silicon wafers, and is more convenient for unloading the rod pasting tool from a slicer.

The invention discloses a hairy wad collecting device for a shearing machine. The device comprises a base, the upper end face of the base is sequentially provided with a feeding device, a shearing device and a winding device in the delivery direction of cloth, the upper portion of the shearing device is provided with a hair collecting device which is used for collecting wads on the surface of a fabric, the hair collecting device comprises a collecting hood, a supporting frame, a fan and a wad collecting box. The hairy wad collecting device has the advantages that the structure is reasonable, hairy wads generated by shearing are collected through the hair collecting device, the fan is a high-power fan which can be used for the rapid collecting of the hairy wads, a driving device and a connecting structure are arranged, a baffle on the other side of the connecting structure can block the connecting part of the wad collecting box and a wad collecting bag, the hairy wads in the wad collecting box are prevented from leaking out from the communication part of the wad collecting bag and the wad collecting box, the environment of a processing chamber is not influenced, and the hairy wads in the wad collecting bag are recycled by the wad collecting bag.

A water dispenser for pets comprises a base and a drinking tank, wherein a drinking trough and a connecting part are arranged on the base, and the drinking tank is mounted on the base through the connecting part; a round concave platform is arranged in the middle of the connecting part; the drinking trough is located on one side of the connecting part, and the bottom end of the connecting part and the top end of the drinking trough are located in the same horizontal plane; a water guiding trough is further formed in the base and communicated with the bottom end of the connecting part and the bottom end of the drinking trough; a bulging part and a water outlet are arranged on the drinking tank, a tank cover is arranged at the water outlet, the water outlet is in threaded connection with the tank cover, and an anti-leaking plastic gasket is also arranged on the tank cover; the round concave platform is arranged in the connecting part, and a filter pad is arranged on the surface of the round concave platform, so that water flowing into the drinking trough from the drinking tank is clean, and the probability of sickness of the pets due to drinking of unclean water is reduced.

The invention discloses polishing equipment for wheel hub machining. The polishing equipment comprises a supporting frame; a polishing box is fixedly installed at the top of the supporting frame, the left side of the polishing box is provided with a notch, and a box door is hinged into the notch through a rotary shaft; a first slide rail is fixedly installed at the top of an inner cavity of the polishing box, a second slide rail is fixedly installed at the bottom of the inner cavity of the polishing box, and a fixing frame is arranged between the first slide rail and the second slide rail; and connection rods are integrally formed at the top and the bottom of the fixing frame, and the two connection rods are both slidably connected with the first slide rail and the second slide rail through connection seats arranged at one ends of the two connection rods correspondingly. According to the polishing equipment, a wheel hub is fixed by using the fixing frame and then is driven to rotate by a motor to be polished without manual control, a large amount of time can be saved, the working efficiency can be improved, in addition, dangers can be avoided, and using is safer.

The invention relates to a waste collecting box, in particular to a medical waste collecting box for a hospital. According to the problem, the medical waste collecting box for the hospital is good in sealing performance, pathogenic bacteria are prevented from spreading, waste liquid is filtered and collected during throwing, and no after-treatment is needed. The medical waste collecting box for the hospital comprises a bottom plate, a prompt slogan placing rack, a locking mechanism and a sealing mechanism, wherein a box body mechanism is arranged at the top of the bottom plate; the lower part of the box body mechanism is provided with the prompt slogan placing rack; the locking mechanism is arranged on one side of the box body mechanism; and the upper part of the box body mechanism is connected with the sealing mechanism. By arranging the box body mechanism, the locking mechanism and the sealing mechanism, a sealed space is provided for throwing of medical waste, the situation that the environment of the hospital is affected due to the fact that odor is emitted is prevented, then the stacked medical waste is treated, and a basic function of the equipment is achieved.

The invention discloses an aquaculture shallow water net cage with the adjustable aquaculture density and a using method thereof. The aquaculture shallow water net cage comprises a suspension seat, an adjusting rod, a floating seat, a movable plate and elastic sliding cloth. A positioning rope is connected to the outer side of the suspension seat, a first motor is arranged in the suspension seat, a second motor is fixed to the upper end of a stock bin through a bolt, a shaft rod is fixedly connected to the output end of the second motor through a bolt, a movable block sleeves the outer side of the shaft rod, and a guide rod is hinged to the lower end of a reset spring. According to the aquaculture shallow water net cage with the adjustable aquaculture density and the using method thereof, the aquaculture density can be conveniently adjusted, so that a net cage meets aquaculture adjustment in different seasons, feed can be automatically and evenly thrown, and waste caused by feed accumulation is avoided; and meanwhile, wave energy can be used for driving a cleaning mechanism to automatically clean the net cage, and the internal environment of the net cage is prevented from being influenced by blockage of meshes.