35results about "Dental effluent treatment" patented technology

An apparatus for the removal of mercury and other harmful substances from effluents produced in dentist offices is described. The apparatus involves a series of inclined plates upon which mercury reducing bacteria are present, and a subsequent alkaline pH precipitation chambers and an ion exchange chamber.

The present invention is directed to disinfecting compositions for dental unit water lines, particularly effective against microbial flora in biofilms which form on the luminal walls of the piping and reservoir components of dental equipment, as well as methods related to the use of such compositions to reduce microbial numbers in water-bearing dental and other equipment and maintain reduced levels on a continuous basis.

This is an air-sucking, sterilizing and wastewater treatment method for dental clinic bed. It has an air-sucking and sterilizing device, and a wastewater-treating device below a gargle bench of a dental clinic bed. The air-sucking inlet of the air-sucking and sterilizing device is connected above the bench top to an air-sucking pipe that can be bent to form. At the other end of the air-sucking pipe is an air-sucking mask equipped with a clinical lamp. Utilizing the bendable property of the air-sucking pipe, the dentist can adjust the air-sucking mask with the clinical lamp to an optimum position, to collect germ-carrying flying saliva and volatile chemicals produced in the clinical process, or the flying moisture from the tooth grinding machine in the air-sucking and sterilizing device. Inside the air-exhaust valve is a ion device for purifying purpose to enhance hygienic quality of the entire clinical process, and avoid unnecessary contamination of flying saliva. The wastewater-treating device will clean the patient's mouth and chemical solutions and germ-carrying wastewater, filter and sterilize it thoroughly before discharging it, so the discharged wastewater will not pollute river sources.

The present invention is directed to a system for removing amalgam particles and / or dissolved metals, such as mercury and silver from dental effluents. The system can include one or more of a particle collection vessel, a chemical doser, and a sorbent column.

An amalgam separator for purifying a waste stream that contains a mixture of air and waste liquid. The amalgam separator contains filter media that comprises a sulfur-impregnated carrier and an ion exchange resin, wherein the ion exchange resin is present at a concentration of from about 25 to about 75 weight percent. During its operation, the amalgam separator separates the waste stream into air and waste liquid portions, purifies the waste liquid portion, and then combines the purified waste liquid portion with the air.

An amalgam separator for purifying a waste stream comprised of a mixture of air and waste liquid water, wherein said amalgam separator is comprised of filter media that comprises a surface functionalized mesoporous material, wherein said amalgam separator is further comprised of means for separating said air from said waste water to produce separated air and separated waste water, means for removing particulate matter from said separated waste water to produce cleaned waste water, means for purifying said cleaned waste water to produce purified water, and means for combining said separated air and said purified water.

A replaceable module for capturing amalgam and mercury from the waste water disposal system of a dental office, in which the waste water flows into a settling chamber, overflows from the settling chamber into a magnetically-assisted sluice, and then after being further cleaned by the sluice, flows on to a sewer connection.

The invention discloses oral sewage treatment equipment. The oral sewage treatment equipment comprises an oral sewage treatment box and a power cavity formed in the oral sewage treatment box, whereina power device is arranged in the power cavity and comprises a motor arranged on the outer end surface of the left wall of the power cavity; a transmission cavity is formed above the top wall of the power cavity; and a water storage cavity is formed in the right side of the power cavity. The equipment is simple in structure, simple and convenient to use, capable of realizing automatic filtration,automatic disinfection, automatic drainage, and greatly improved in treatment efficiency of oral sewage from a dental department; meanwhile, mechanical control is achieved during the entire oral sewage treatment, a sewage treatment amount can be accurately controlled, and the situation that sewage treatment cleaning is insufficient or energy is wasted due to the fact that too much or too little sewage is treated is avoided; the equipment is low in cost and can be promoted in small and medium-sized dental oral clinics, and procurement cost is saved for enterprise owners.

The present invention relates to the preparation and use of a three-dimensional polymer matrix including tungsten disulfide nanopowder coated on and embedded within a solid porous support for removing water soluble and micro-particulate mercury species from waste water including dental effluent. The solid porous support can be regenerated upon washing with an appropriate chelating ligand for reuse.

The present invention is directed to disinfecting compositions for dental unit water lines, particularly effective against microbial flora in biofilms which form on the luminal walls of the piping and reservoir components of dental equipment, as well as methods related to the use of such compositions to reduce microbial numbers in water-bearing dental and other equipment and maintain reduced levels on a continuous basis.

A method and system to improve asepsis during dental delivery includes a self-contained water delivery apparatus and a vacuum apparatus both of which provide disinfection of biohazards occurring during dental procedures. A UVC LED light emitting unit, with sanitary connections, may be releasably connected to the delivery and vacuum apparatus for improved maintenance and cleaning. A reservoir egress connector provides releasable engagement, fluid agitation, and unrestricted UV light transmission to improve water quality, reduce biofilm water contamination, reduce cross contamination, and reduce the potential spread of pathogens. The mounting system for the UVC LED light unit allows the apparatus to be used to decontaminate portable dental delivery units and vacuum units upon closure. A reflective interior of the cases improves irradiation of the enclosed system, reducing the risk and spread of pathogens.

The apparatus and method of amalgam waste recovery provides for the effective recovery of amalgam waste, including mercury and other toxic substances, during a dental procedure. The apparatus includes a novel filter that effectively captures waste and a recovery method that provides for the efficient recovery of mercury, gold, and silver waste during dental procedures. The filter includes a cylindrical shape that effective entraps dental waste both along the sides and upon the flat, circular end. The apparatus may be composed of cellulose or paper allowing recovery of mercury vapors and other by-products.

The invention relates to the technical field of heavy metal sewage treatment and discloses a treatment device for mercury metal-containing sewage. The treatment device comprises a base, wherein support legs are fixedly mounted at the bottom of the base, and self-locking castors are fixedly mounted at the bottoms of the support legs; a sewage treatment tank is movably mounted on the top of the base, a solid filtering tank is movably mounted on the top wall in a cavity of the sewage treatment tank, and a sewage inlet pipe is communicated to the top of the sewage treatment tank; an iodine solution inlet pipe located on the right side of the sewage inlet pipe is communicated to the top of the sewage treatment tank, a valve is arranged in the iodine solution inlet pipe, and an iodine solution bottle is movably mounted at the top of the iodine solution inlet pipe; and ceramic plates are fixedly mounted on two side walls in a cavity of the solid filtering tank, first filtering plates are movably mounted on the opposite sides of the two ceramic plates, and first filtering holes are formed in the tops of the first filtering plates. The treatment device for mercury metal-containing sewage is relatively high in use safety, and the personal safety of medical workers and patients are protected.

A filter cartridge, which is suitable in particular for purifying dental waste waters, has a housing with three different spatial regions which receive three different filter materials having different filter properties. The first filter material is preceded by a sedimentation space.

A device for preventing build up and / or reducing biofilm pathogens from medical or dental fluids includes a housing defining a sanitizing chamber. A water conduit may extend through the sanitizing chamber and channel water from a water inlet to a water outlet. A gas inlet may receive pressurized gas and gas outlet may flow the pressurized gas from the inlet to the gas outlet through the sanitizing chamber. A light source emits light into the sanitizing chamber, the emitted light being incident on the water conduit and / or the pressurized gas in the sanitizing chamber and having wavelengths effective for removing biofilm pathogens from the water and / or the pressurized gas to sanitize the water and the pressurized gas. The sanitized water and gas may be used when performing medical or dental procedures. The device may further include a recirculation system for recirculating water from the water outlet to the water inlet.

An amalgam separator for purifying a waste stream that contains a mixture of air and waste liquid. The amalgam separator contains filter media that comprises a sulfur-impregnated carrier and an ion exchange resin, wherein the ion exchange resin is present at a concentration of from about 25 to about 75 weight percent. During its operation, the amalgam separator separates the waste stream into air and waste liquid portions, purifies the waste liquid portion, and then combines the purified waste liquid portion with the air.

The invention relates to a nitrogen and phosphorus removal process based on multi-effect medical sewage treatment. The system comprises a mechanical grid 1, an adjusting tank 2, a first blower 3, a first pump 4, an anoxic tank 5, a contact oxidation tank 6, a second pump 7, a second blower 8, a vertical flow sedimentation tank 9, a third pump 10, a coagulation reaction tank 11, a PFS tank 12, a PAM tank 13, an inclined tube sedimentation tank 14, a fourth pump 15, a contact disinfection tank 16, a sodium hypochlorite tank 17, a sludge tank 18 and a central processor. The central processing unit is additionally arranged in the system, the water level in the designated water pool is detected, the corresponding air blower operation parameters and the corresponding dosing amount of the dosingtank are selected according to the detection result, and sludge control of the system can be effectively improved.

A treatment for a dental water unit system comprises a shock treatment including silver colloid and hydrogen peroxide that stays in the system for an extended period, followed by a flushing of the system and the addition of a maintenance solution comprising at least silver colloid in an amount safe for human consumption.

The invention provides a quantum water purifier for scaling. The quantum water purifier comprises a water purification mechanism, a water leakage monitoring mechanism and a shock absorption mechanism,wherein the water leakage monitoring mechanism is mounted in the water purification mechanism and extends to the upper end of the water purification mechanism; the shock absorption mechanism is assembled at the lower end of the water purification mechanism; the water purification mechanism comprises a nano RO membrane device, a front filter cartridge, a case, an ultraviolet sterilizer, a boosterpump, a sterile water tank and a quantum generator; the water leakage monitoring mechanism comprises a scale bar, a water tank, a seal tank and drain pipes; the shock absorption mechanism comprises ashock absorption rod, a rubber blanket, springs, a hollow tube, an air bag and a slide plate. Compared with the prior art, the quantum water purifier has the following beneficial effects: double waterleakage detection is performed on the water purification mechanism, water leakage detection stability is improved, shock absorption is realized, and working noise is reduced.

The invention discloses a water sterilization system which comprises a filter cartridge and a filter cartridge cover, the filter cartridge cover is detachably arranged on the filter cartridge, a filter element shell is arranged in the filter cartridge, a top water permeable membrane is arranged at the top of the filter element shell, a bottom water permeable membrane is arranged at the bottom of the filter element shell, and a sterilization filter element is arranged in the filter element shell. A water inlet groove and a water outlet groove are formed in the filter cartridge cover, the waterinlet groove is connected with a water inlet pipe, the water outlet groove is connected with a water outlet pipe, a filter shell sealing rubber ring is arranged on the lower side of the end, away fromthe water inlet pipe, of the water inlet groove, and the bottom of the filter shell sealing rubber ring makes close contact with the top permeable membrane; a water inlet is arranged in the center ofthe filter shell sealing rubber ring, a water outlet is formed in the bottom of the bottom permeable membrane. The water sterilization system has the advantages that the occupied area is small, and pipelines do not need to be changed during installation; the system can be mounted and used immediately, can be detected and qualified at any time, and can meet the mounting requirements of various types of dental chairs, full-automatic endoscope cleaning and disinfecting machines, manual endoscope cleaning and disinfecting tanks, various waterways and narrow spaces.

A water purification apparatus includes a water inlet; a medicine mixing device in fluid communication with the water inlet; and a water outlet interconnected to the medicine mixing device and a dental treatment center. The medicine mixing device includes a medicine storage for storing antiseptic solution, a mixing unit interconnected to the water inlet, the water outlet, and the medicine storage, and a controller interconnected to the water inlet and the medicine storage. The controller includes a sensor and a microprocessor. The controller sends the antiseptic solution from the medicine storage to the mixing unit and controls a volume of water flowing from the water inlet to the mixing unit. The microprocessor instructs the controller to control a volume of the antiseptic solution supplied from the medicine storage to the mixing unit based on a signal sensed by the sensor.

The invention discloses a portable sewage treatment device. The device comprises a body; a door plate is embedded into the front surface of the body; one end of the door plate is a fixed end, whereintwo hinges are arranged between the fixed end of the door plate and the body; the other end of the door plate is a free end, wherein a locking mechanism is arranged between the free end of the door plate and the body; through the locking mechanism, the door plate can be opened and closed conveniently, and internal electric appliances and circuits can be checked and maintained conveniently; operation is simple, fixation is easy, the structure is firm, and working efficiency of the device is improved; through the design of a dehumidifier and a plastic box, moisture in the device is convenientlyabsorbed by the dehumidifier; the dehumidifier is conveniently replaced through the plastic box, so that the interior of the device is kept dry all the time, and the service life of the device is prolonged.

The invention discloses treatment equipment for dental department sewage. The equipment comprises a dental department washing table (1) and a first sewage pipeline (2) arranged under the dental department washing table; and the first sewage pipeline is connected to a sewage collecting tank (4) located in a sewage treatment box (3), the inner side of a water outlet of the sewage collecting tank isprovided with a two-layer biological filter net (5), the thickness of the two-layer biological filter net is 5-10cm, the outer side of the water outlet of the sewage collecting tank is provided with asecond sewage pipeline (6), the second sewage pipeline is connected to a biological reaction tank (7), an ozone mixing reaction tank (8) and a sewage up-to-standard discharge valve (9) in sequence, one side of the biological reaction tank is provided with the ozone mixing reaction tank, the ozone mixing reaction tank is connected to an ozone machine (10), and the sewage up-to-standard discharge valve is arranged at the lower end of the outer side of the sewage treatment box. According to the treatment equipment for the dental department sewage provided by the invention, the dental departmentsewage can be specially and effectively treated, the sewage treatment effect is good, and the ozone mixing reaction tank is connected to the ozone machine for removing and killing bacteria.