14results about How to "Improve the coagulation effect" patented technology

The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.

The application discloses a preparation method of a hydrocolloid dressing for oral cavity, and relates to the technical field of medical supplies. Baicalin extract and a polyvinyl pyrrolidone solution are mixed to obtain a baicalin extract solution; chitosan fibers, hydroxymethyl cellulose and the baicalin extract solution are mixed to obtain a mixed solution; vacuum degassing: the prepared mixed solution is vacuumized, pressure is maintained, and primary degassing is performed; ultrasonic degassing: the mixed solution after primary degassing is subjected to ultrasonic degassing; static degassing: the solution after ultrasonic degassing is sealed by using a preservative film, and is subjected to secondary degassing at room temperature; a PU film is fixed in a film laying frame, the degassed mixed solution is poured into the film laying frame, and the film laying frame is placed into an air-blowing drying box to solidify and form a protective layer, so that the hydrocolloid dressing is obtained. The hydrocolloid dressing prepared by the method has good adhesion, can be used on a wound for a long time, and can effectively promote the repair of damaged cells and wounds, so that the healing of the wound in the oral cavity is promoted.

This invention relates to the field of coagulant technology and discloses a polyaluminum ferric silicate coagulant and its preparation method, comprising the following steps: S1 coal gangue is calcined to obtain modified coal gangue; S2 modified coal gangue is acid-leached to obtain coal gangue acid leaching solution; S3 the coal gangue acid leaching solution is subjected to titanium doping, pH adjustment, polymerization, centrifugation, and aging to obtain the coagulant. The preparation method provided by this invention, after activation and modification, undergoes acid leaching, polymerization, centrifugation, aging, and drying to prepare the polyaluminum ferric silicate coagulant. By optimizing the calcination temperature, modification ratio, acid concentration, polymerization pH, polymerization temperature, and polymerization time, the coagulation performance of the coagulant can be improved, thereby increasing the wastewater pollutant removal rate.

The utility model provides a purification device for tap water production, including installation box, the installation box top is equipped with purification mechanism, is equipped with collection mechanism one and collection mechanism two of auxiliary collection impurity in the inside of purification mechanism, is equipped with coagulation mechanism of coagulation tap water in the inside of installation box, is equipped with the auxiliary mixing mechanism of auxiliary coagulation in coagulation mechanism end, the coagulation mechanism includes coagulation cylinder, motor two, coagulation rod, stirs the pole and water guide pipe, and coagulation cylinder is located in the inside of installation box, and coagulation cylinder end is equipped with motor two, and the output of motor two is equipped with coagulation rod, and coagulation rod outside is equipped with stirs the pole. The utility model discloses through a plurality of air outlet nozzles can send air by multiple parts into the coagulation cylinder inside and form the bubble, the bubble that enters the coagulation cylinder inside can make coagulant evenly distributed and contact with the particle in water, and then is favorable to improve the coagulation effect when the purification device is purified to tap water, reduces the situation that the purification effect is influenced because the coagulation effect of tap water is not good.

The utility model discloses a wastewater pretreatment flocculant dosing device, including wastewater pipeline, stainless steel pipe, pipeline quick -operation joint, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline, stainless steel pipe is set up on wastewater pipeline through the welding, and its outside end portion is welded fixed with one side end portion of pipeline quick -operation joint, and flocculant corrosion -resisting conveying pipeline is connected with the other side end portion of pipeline quick -operation joint with the screw thread, and the flocculant corrosion -resisting dosing pipeline is set up in the stainless steel pipe inside, and one end is connected with the screw thread of pipeline quick -operation joint end portion, and the other end is beyond the end portion of stainless steel pipe inside wastewater pipeline, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline preferably UPVC pipe, and the end portion of stainless steel pipe and flocculant corrosion -resisting dosing pipeline inside wastewater pipeline is equipped with first elbow and second elbow respectively. The utility model discloses can effectively solve the problem of the leakage of the dosing pipe on the existing wastewater pipeline and the misflow of wastewater into the dosing pipe due to corrosion.

The application discloses a silk fiber-based anti-bedsores decompression pad and a preparation method thereof, which comprises a fabric layer in a concave shape, an aerogel layer and a fiber layer are arranged in the fabric layer from bottom to top, the total height of the aerogel layer and the fiber layer after being stacked is equal to the depth of the fabric layer, the fiber layer is prepared from drug-loaded hydrophobically modified sodium alginate fiber, and the aerogel layer is prepared from degummed silk-sodium alginate composite aerogel with a three-dimensional porous structure. The decompression pad has antibacterial and healing promotion effects, the silk fiber enhances the physical and mechanical properties of the aerogel layer, can greatly reduce external pressure, has excellent air permeation effect due to the through-hole structure in the interior, can fully and quickly absorb wound exudates, the sodium alginate-based material also provides a suitable microenvironment for cell growth, accelerates wound healing, and is suitable for the prevention and treatment of bedsores of patients who need to be in bed for a long time.

This invention provides a method for preparing a coking wastewater flocculant and its application, belonging to the field of coking wastewater treatment technology. The preparation method utilizes aluminum chloride and ferric chloride as inorganic metal salts and APTES as a silicon source to prepare a coking wastewater flocculant with both ionic and covalent bonds. The coking wastewater flocculant, when used in conjunction with a micro-vortex flocculation reactor, can effectively remove components such as COD, thiocyanate, color, and turbidity from coking wastewater.

The application discloses a kind of hydraulic stirring PAC material dissolver, including base, the base is installed with material dissolver jar, the material dissolver jar includes jar body, the upper portion of the jar body is equipped with water pipe, the lower portion of the jar body is equipped with blowdown pipe;The upper portion of the jar body is equipped with medicine storage box, the medicine storage box includes box body, the jar body is equipped with a plurality of evenly arranged feeding pipe between box body;Material dissolver jar side is equipped with water pump, the water inlet pipe of water pump is connected with the upper portion of material dissolver jar, the water outlet pipe of water pump is connected with the bottom of material dissolver jar, the water outlet pipe side is equipped with third water outlet branch pipe, the water inlet pipe, water outlet pipe, water pipe, blowdown pipe and third water outlet branch pipe are all equipped with valve.This application makes sewage and PAC in jar body circulate and flow by water pump, forms hydraulic stirring effect, reduces floor area, reduces manufacturing cost and maintenance cost at the same time, significantly improves the dissolution efficiency and mixing uniformity of PAC, ensures the sufficient dissolution and uniform distribution of PAC in water.

The utility model discloses a wastewater treatment mechanism of a steam thermal cracking furnace, which comprises a bottom plate, and the bottom plate is provided with a coagulation tank, a settling tank, a clear water tank I, a sand filter tower, a carbon filter tower, a softening machine and a clear water tank II which are sequentially connected through liquid guide pipes; the coagulation tank is connected with a liquid inlet pipe; the liquid inlet pipe is used for conveying wastewater generated after oil-water separation into the coagulation tank; the coagulation box is connected with a flocculating agent adding mechanism and a first PH adjusting mechanism, and the flocculating agent adding mechanism is used for adding a flocculating agent into the coagulation box; the first PH adjusting mechanism is used for increasing the PH value of the wastewater, so that the wastewater is weakly alkaline; the clear water tank I is connected with a second PH adjusting mechanism, and the second PH adjusting mechanism is used for reducing the PH value in the wastewater; the device further comprises a controller, and the flocculant adding mechanism, the first PH adjusting mechanism and the second PH adjusting mechanism are all electrically connected with the controller. According to the utility model, the wastewater subjected to oil-water separation is subjected to coagulating sedimentation, filtration, softening and PH regulation, so that the wastewater reaches the discharge standard, and the environmental pollution is avoided.

The invention provides a preparation method of gardenia jasminoides bean curd, and belongs to the technical field of food processing. The soybeans, the poria cocos and the Chinese yam are mixed and pulped, the extracting solution containing the gardenia jasminoides extract is added before solidification, the gardenia jasminoides bean curd which is golden in color can be directly obtained, the preparation method is simplified, meanwhile, the poria cocos and the Chinese yam are added into the bean curd, the components of a coagulant are adjusted, and the taste and the effect of the bean curd are enriched.

This invention discloses a method for recycling high-salt dyeing and finishing wastewater, belonging to the field of dyeing wastewater treatment technology. Addressing the problems of traditional coagulants' easy failure in high-salt environments, difficulty in solid-liquid separation, and inability to regenerate and recycle, this invention uses a magnetic composite coagulant for coagulation and sedimentation. Rapid solid-liquid separation is achieved through an external magnetic field, and the separated magnetic composite coagulant is recycled after alternating water washing and desorption. The wastewater is subsequently treated by oxidation, evaporation and crystallization to recover salts, and activated carbon adsorption for deep treatment before being reused in production. The magnetic composite coagulant has a core-shell structure and a temperature-sensitive polymer graft layer, possessing high salt resistance, magnetic response, and temperature-sensitive desorption characteristics. This invention achieves efficient flocculation, rapid magnetic separation, and intelligent desorption and regeneration in high-salt environments, significantly reducing reagent consumption and operating costs. The effluent quality meets the requirements of the "Water Quality Standard for Reclaimed Water in Textile Dyeing and Finishing Industry".

The invention relates to the technical field of water treatment, in particular to a magnetic response coagulation-ultrafiltration coupling water treatment device and method. The device mainly comprises a coagulant adding unit, a coagulation reaction unit, an ultrafiltration unit, a sensing unit and a control unit which are sequentially communicated along the water flow direction. The coagulant adding unit is used for realizing accurate adding of a medicament, the coagulation reaction unit is a key place for regulating and controlling formation of flocs, the ultrafiltration unit is used for final solid-liquid efficient separation and actively controlling membrane pollution, and the magnetic response assembly can generate a magnetic field around a membrane assembly. The magnetic field can guide magnetic flocs in water to form a loose and high-permeability dynamic protection layer on the surface of the membrane in the filtering stage. The control unit is in signal connection with the sensing unit, and is used for dynamically adjusting the adding amount of the precise metering pump, the rotating speed combination of the stirring paddles in the gradient flocculation area, the magnetic field intensity of the magnetic response assembly and the like. The self-adaptive water treatment system is constructed by integrating intelligent feeding, gradient flocculation, magnetic response membrane separation and control.

This utility model relates to a tunnel secondary lining curing trolley, and discloses a water-heated atomizing spray curing trolley for tunnel secondary lining, used to solve the problem of low temperature and poor solidification effect of conventional spraying in low-temperature environments. The trolley includes a temperature-controlled atomizing curing trolley with masts at both ends. The lower end of the mast is connected to a bottom beam with a traveling mechanism, and the upper end is equipped with a top frame. Trolley tracks are set on both sides of the middle of the top frame, and longitudinally movable atomizing trolleys are installed on the tracks. The atomizing trolleys are supported by a ring pipe bracket, and adjustable-angle atomizing nozzles are evenly distributed on the outer side of the nozzle. A heated water storage tank is installed on the bottom beam, and a water pump in the tank delivers heated water to the atomizing ring pipe through a water pressure pipe and a water pressure expansion pipe. Through heated water atomization and the longitudinal movement of the ring pipe, constant temperature and humidity uniform curing of the tunnel secondary lining is achieved, effectively avoiding poor concrete solidification caused by low-temperature environments, and significantly improving construction quality and efficiency.

The utility model belongs to the technical field of slope protection nets, and particularly relates to a slope protection net for hydraulic engineering, which comprises a protective net, limiting rings are arranged at four corners of the protective net, the protective net is connected with a connecting shell through the limiting rings, reinforcing ribs are detachably connected to the peripheral edges of the connecting shell, a connecting cavity is formed in the top of the connecting shell, and the connecting cavity is communicated with the protective net. A filter screen is arranged in an inner cavity of the connecting cavity; a group of protective net structures can be formed by a plurality of protective nets, a connecting shell and a plurality of reinforcing ribs, the whole protective net can be rapidly assembled, the protective net can be rapidly replaced when a single protective net outgoing line is damaged, and when the protective net is installed on loose soil, the protective net can be rapidly replaced through a connecting structure formed by a connecting cavity, a connecting pipe and a branch pipe. The connection between the connecting shell and the slope surface is more stable, soil around the connecting shell is better in coagulability, the possibility that the connecting shell falls off from the slope surface is reduced, and therefore the stability of the slope protection net in weather with large wind power is guaranteed.