37results about How to "Good anti-pollution effect" patented technology

The invention discloses an antipollution medical waste treatment device which mainly comprises a shell, a crushing unit, a disinfecting unit and a bagging unit. The crushing unit is arranged at the left end of the shell. A disinfecting room is arranged in the middle of the shell. A bagging system (namely the bagging unit) is arranged at the rightmost end of the shell. After medical waste is cut upby the crushing unit, a first conveying belt arranged in the disinfecting unit conveys the crushed medical waste to the bagging unit at the rightmost end of the shell, then the medical waste is compacted by a compression device of the bagging unit, the compacted medical waste is pushed into a receiving box, the receiving box is sleeved with an OPP zipper bag, and the zipper bag is sealed. According to the device, the medical waste can be fully disinfected, sealing is carried out after disinfecting, and pollution of germs and viruses in the medical waste to the environment can be effectively avoided.

The invention relates to the technical field of fluorine chemical industry and particularly relates to an aqueous fluorine-containing dispersion solution as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) taking fluorine-containing olefin monomers and perfluorinated diene as raw materials and carrying out emulsion polymerization to obtain a fluorine-containing seed polymer emulsion; and (2) taking the fluorine-containing seed polymer emulsion and fluorine-free olefin monomers as the raw materials and carrying out emulsion polymerization to obtain the aqueous fluorine-containing dispersion solution. According to the preparation method, unsaturated side chains can be formed on fluorine-containing seed polymer particles in the step (1), so that the combination of the fluorine-containing seed polymers and the fluorine-free olefin monomers is effectively improved; the modification action of fluorine-free olefin on fluorine-containing polymers can be better achieved; the synergistic action between two types of monomers is achieved, so that the negative influence of fluorine-free monomers on weather resistance and the negative influence of the fluorine-containing monomers on adhesion performance are reduced. The aqueous fluorine-containing dispersion solution has high pollution resistance, stain removal performance, adhesion, weather resistance and chemical resistance; the coating of the aqueous fluorine-containing dispersion solution has high glossiness and hardness.

The present invention provides an anti-adhesion mechanism and a method of producing it and more particularly, it provides an anti-adhesion mechanism comprising a structure body, a resin binder layer comprising a resin binder coated on all or part of the surface of the structure body and a bead layer comprising a plurality of beads bond to the upper side of the coated resin binder layer and being salient outside, and a method of producing an anti-adhesion mechanism comprising coating a resin binder on the surface to be coated, spraying beads on the upper portion of the resin binder before the coated resin binder is hardened and hardening them to form bead protrusions. The anti-adhesion mechanism prepared in accordance with the invention can prevent the adhesion of attachments such as stickers, posters and dusts to the coated surface and easily remove the attachments even though they are adhered, can be readily formed and can improve such properties as weather resistance, contamination resistance, scratch resistance, chemical resistance and impact resistance of the surfaces coated therewith.

The invention provides an automobile transmission exhaust device with less energy consumption. The exhaust channel in the exhaust plug body of the exhaust plug runs through the upper and lower ends of the exhaust plug body. The annular protrusion extending radially outward from the plug body, the inner diameter of the cavity of the exhaust plug cover is slightly larger than the outer diameter of the annular protrusion of the exhaust plug body of the exhaust plug and the inner diameter of the exhaust plug cover At least three connection protrusions at the lower end of the exhaust plug cover cavity are connected with the annular protrusions of the exhaust plug body of the exhaust plug, and in the circumferential part outside the joint, the row of the exhaust plug cover There is a gap between the lower end of the air plug cover cavity and the annular protrusion of the exhaust plug body of the exhaust plug. The diameter of the blocking piece between the annular protrusions of the air plug is larger than the inner diameter of the upper part of the exhaust passage and smaller than the inner diameter of the cavity of the exhaust plug cover.

The invention discloses an anti-fingerprint and anti-pollution environment-friendly coating, which takes polydimethylsiloxane modified polyacrylate as a matrix, trimethylolpropane tri[3-(2-methylaziridinyl) propionate] as a cross-linking agent, and a dysprosium-doped nano titanium oxide/nano strontium titanate core-shell material as a reinforcing filler. The environment-friendly coating further comprises a dispersing agent, a leveling agent and deionized water. The invention further discloses a preparation method of the anti-fingerprint and anti-pollution environment-friendly coating. The prepared environment-friendly coating is good in stability, excellent in antifouling and anti-fingerprint performance, easy to prepare, low in cost, economical and environmentally friendly.

The invention provides an automobile transmission exhaust device low in energy consumption. An exhaust channel in an exhaust plug body of an exhaust plug penetrates through the upper end and the lower end of the exhaust plug body. The inner diameter of an exhaust plug cover cavity of an exhaust plug cover is slightly larger than the outer diameter of the exhaust plug body of the exhaust plug. A clamping structure comprises at least two clamping connecting parts, at least two clamping parts and at least two matching clamping parts, wherein the clamping connecting parts extend downwards from the lower end of the exhaust plug cover cavity of the exhaust plug cover, the clamping parts are arranged on the clamping connecting parts correspondingly, and the matching clamping parts are correspondingly arranged on the periphery of the exhaust plug body of the exhaust plug. The exhaust plug cover cavity of the exhaust plug cover is clamped with the exhaust plug body of the exhaust plug through the clamping parts and the matching clamping parts, and a first clearance exists in the position, outside the clamping position, between the part in the circumferential direction of the exhaust plug cover cavity of the exhaust plug cover and the part in the circumferential direction of the exhaust plug body of the exhaust plug. A spring and a spacing piece are placed between the exhaust plug cover cavity and the exhaust plug in an up-down mode, and the diameter of the spacing piece is larger than the inner diameter of the upper portion of the exhaust channel and is smaller than the inner diameter of the exhaust plug cover cavity.

The present invention discloses a peritoneal dialysis sterile connecting device. The peritoneal dialysis sterile connecting device comprises a sterile connection operation box and a clamping and fixing seat for clamping and fixing a cylindrical transition part of a connector of an external short pipe; and the sterile connection operation box is made of transparent materials and the clamping and fixing seat is fixedly arranged in the sterile connection operation box. The sterile connection operation box provides a sterile operation space, so that a peritoneal dialysis solution pipe and the external short pipe can be accommodated in the sterile connection operation box for connection, so that the peritoneal dialysis solution pipe and the external short pipe are both difficult to pollute by touching of foreign objects or adhering of outside dust, etc., the clamping and fixing seat is suitable for clamping and fixing the cylindrical transition part of the connector of the external short pipe and can play an effect of a third hand to help pull out an iodophor cap at a threaded connection part of the connector of the external short pipe and help connect the external short pipe and the peritoneal dialysis solution pipe, so that compared with traditional operation methods, the manner adopted by the peritoneal dialysis sterile connecting device does not easily cause problems that the connector of the external short pipe is polluted in advance and a pipe head of the peritoneal dialysis solution pipe is polluted in advance, and therefore, the peritoneal dialysis sterile connecting device is good in pollution prevention effect when in use.

The invention relates to the technical field of polyurethane automobile leather, in particular to water-based surface polyurethane resin for automobile leather and a preparation method of the water-based surface polyurethane resin. The water-based surface polyurethane resin for automobile leather is formed by polymerizing the following raw materials in parts by weight: polyhydric alcohol, isocyanate, a chain extender, acetone, deionized water and a catalyst. The product provided by the invention can be used for automobile leather, and has the advantages of relatively good vulcanization resistance, friction resistance, weather resistance, pollution resistance and relatively long service life. The preparation method comprises the following steps of weighing polyhydric alcohol, isocyanate anda catalyst according to a formula, mixing weighed polyhydric alcohol, isocyanate and a catalyst, and reacting at 85-95 DEG C, adding a chain extender, and reacting for 1-2 hours at the temperature of70-80 DEG C, adding acetone to dilute, cooling to below 45 DEG C, and adding a salt-forming agent to neutralize and form salt, adding water for dispersion, and distilling to remove acetone to obtaina target product. The preparation method is relatively simple to operate and can be used for batch production.

The invention provides an LIS coating and a preparation method and application thereof. The LIS coating comprises lubricating oil and a solid coating, the solid coating comprises a low-surface-energy layer and a composite bonding layer which are sequentially arranged in a stacked mode, and the lubricating oil is soaked in the low-surface-energy layer; and the low surface energy layer comprises GrF and PTFE (Polytetrafluoroethylene). The LIS coating provided by the invention is low in friction coefficient, good in chemical robustness and high in corrosion resistance, and shows huge application potential in the fields of tribology and metal corrosion protection.

The invention discloses an anti-pollution detection test tube for laboratory medicine. The anti-pollution detection test tube comprises a base, the upper surface of the base is provided with a test tube fixing base, the upper surface of the test tube fixing base is provided with a first groove, a test tube is disposed in the first groove, the top of the test tube is connected with a test tube plug, and the middle of the lower surface of the test tube plug is provided with a first through groove, a second through groove and a third through groove. The second through groove is internally fixedly connected with a first glass tube, the first glass tube is internally in sleeved connection with a sleeve, the third through groove is internally fixedly connected with a second glass tube, the top end of the second glass tube is connected with a rubber conduit, and one end of the rubber conduit is connected with a needle. By utilizing the test tube plug, the test tube can be prevented from being polluted. Through arrangement of an air ball and the sleeve, blood in the test tube can be sampled, the possibility of blood pollution is reduced, and the needle is utilized to conveniently and quickly extract to-be-detected blood from a patient. A whole device is simple in structure, convenient to use and good in anti-pollution effect.

The invention provides an anti-pollution air shower base easy to clean. The anti-pollution air shower base easy to clean comprises an air shower base body and an air shower base box mounted on the airshower base body, and is characterized in that the air shower base body comprises a base main body, empty spaces arranged in the base main body, a detachable hollowed-out bottom plate arranged on thetops of the empty spaces and dust collection water basins arranged below the detachable hollowed-out bottom plate.

The subject matter of this specification can be embodied in, among other things, a method that includes providing a fluid at a fluid inlet fluidically connected to an input fluid path, providing a fluid outlet fluidically connected to an outlet fluid path, fluidically connecting the inlet fluid path to the outlet fluid path through a valve, fluidically connecting the inlet fluid and the outlet fluid through a bypass fluid path in parallel with the valve, flowing the fluid from the inlet fluid path to the outlet fluid path through the valve and the bypass fluid path at a regulated fluid flow rate, restricting fluid flow in the bypass fluid path with a first orifice, restricting fluid flow in one of the fluid inlet path or the fluid outlet path with a second orifice, and providing the fluid at the fluid outlet at an outlet fluid flow rate.

The invention discloses a meat food processing table comprising a processing table and a support frame. The periphery of the processing table is provided with flanges. A processing surface is arrangedbetween the flanges, water outlets are arranged at two corners of one side of the processing surface, and water inlets are arranged at two corners of the other side of the processing surface; water outlet pipes are connected below the water outlets, and the water outlet pipes are connected with a wastewater bucket; a water inlet device is connected below the water inlets; a supporting plate is fixed on one side of the water inlets, and a horizontal electrical push rod is arranged on one side, facing to the processing table, of the supporting plate; one side of the electrical push rod is connected with the supporting plate, and the other side of the electrical push rod is connected with a vertical scraping plate; a scraping strip is arranged at a contact part of the scraping plate and theprocessing surface. The ground is prevented from being polluted by sewage during processing by arrangement of baffles and the water outlets at the periphery of the processing table; at the same time,through arrangement of the water inlets, the scraping plate and the electrical push rods, after the processing is completed, the scraping plate can automatically clean all sewage to one side of the water outlets, the sewage is washed cleanly, and the meat food processing table is convenient and sanitary.

The invention discloses environment-friendly and non-irritant whiteboard marker ink for classrooms. The ink is prepared from raw materials as follows: brown ferrotitanium powder, black copper-chromiumpowder, fluorinated graphite, sepiolite powder, bamboo charcoal micropowder, polyvinylpyrrolidone, black cocoa powder, rhizoma curcumae longae, beetroot juice, hydroxypropyl guar gum, an ethanol water solution, 2-acrylamide-2-methylpropanesulfonic acid, 4-vinylpyridine, acrylic acid, sodium dodecyl sulfate, soda water, 3-chloropropyl alkoxy silane, chloroacetic acid, tetramethylethylenediamine and a stabilizer. The ink polymer raw materials form the ink, biological pigment can prevent the harm caused by eating by mistake, and the ink has good film forming property, uniform films and good stability and has the characteristics of that the ink is energy-saving, environmentally friendly, non-toxic, free of irritant odor and easy to write and erase, the production process is simple and low incost, the product has stable performance for a long time and the ink cannot penetrate into whiteboard surfaces to cause pollution after being used for a long time.

The invention discloses an anti-pollution modified polyvinyl chloride composite membrane and a preparation method thereof. The composite membrane comprises a first functional layer, central particlesand a second functional layer, the first functional layer is located above the second functional layer, and the central particles are located between the first functional layer and the second functional layer; and the average pore diameters of the first functional layer, the central particles and the second functional layer are gradually reduced. By arranging the composite membrane structure, thefirst functional layer, the central particles and the second functional layer of which the average pore diameters are gradually reduced are formed from top to bottom, and the first functional layer isthe asymmetric membrane layer of which the pore diameters are gradually reduced from top to bottom, so that a double asymmetric structure is prepared, and negative pressure brought by a water systemduring water treatment is relieved; organic substances such as protein are prevented from entering the pores along with water flow and flowing to the lower surface of the composite membrane, the organic substances such as protein can be easily removed through the pores with narrowed average pore diameters, and the anti-pollution performance of the composite membrane can be better achieved.

The invention discloses a negative pressure test tube amniocentesis device. The negative pressure test tube amniocentesis device comprises a PTC puncture needle, an amniotic fluid sucker and a negative pressure test tube. The liquid inlet end of the amniotic fluid sucker is detachably connected with the liquid outlet end of the PTC puncture needle, and the liquid outlet end of the amniotic fluid sucker is detachably connected with the liquid inlet end of the negative pressure test tube. When performing amniocentesis on a pregnant woman to extract amniotic fluid, medical staff connect the liquid outlet end of the PTC puncture needle with the liquid inlet end of the amniotic fluid sucker, insert the end of the PTC puncture needle into the amniotic cavity of the pregnant woman and then connect the liquid outlet end of the amniotic fluid sucker to the liquid inlet end of the negative pressure test tube, then the amniotic fluid in the amniotic cavity of the pregnant woman can be automatically sucked into the negative pressure test tube through the PTC puncture needle and the amniotic fluid sucker to be stored through the negative pressure formed in the negative pressure test tube, the trouble of manual suction with an injector is avoided, the working load and the labor intensity of medical staff can be relieved, the extraction speed can be greatly increased, and thus the negative pressure test tube amniocentesis device is high in practicability and good in use effect.

An anti-polluting unit for fibroscope used to sample the pathogenic bacteria of lung infection has a sleeve tube shape, and is composed of tube body, an anti-polluting cap at the far end of tube body and having a slender tail adhered to external surface of tube body, and an jointer at the near end of said tube body. Its advantages are high safety and effect, and simple operation.

The invention discloses a pedestal pan for tumor nursing. The pedestal pan comprises a rectangular pedestal pan body and a flushing tank, and a first pit and a second pit are sequentially formed in the pedestal pan body from back to front; a discharge port is formed in the bottom of the first pit; the depth of the second pit is smaller than that of the first pit, and a discharge channel communicated with the first pit is formed backwards in the middle of the bottom of the rear wall in the second pit. The pedestal pan has the advantages that when a patient sits on the first pit to relieve himself or herself and has nausea and vomiting symptoms at the same time, the patient can easily aim at the second pit to vomit vomit into the second pit in the front lower portion by lowering the head forwards or downwards, vomit is not prone to fall onto the floor of the toilet, the anti-pollution effect is good, and the patient does not need to stretch the head laterally when vomiting, so that the physical strength is reduced, the situation that people fall on the ground due to rollover is avoided, potential life safety hazards are caused due to falling injury is avoided. The pedestal pan is high in practicability, good in using effect and suitable for popularization.