41results about How to "Have the ability to regenerate" patented technology

The invention discloses a preparation method of a xanthate macro-pore dextrangel adsorbent and an application thereof. The preparation method comprises the steps of 1) rapidly cooling dextrangel immersed by distilled water to obtain macro-pore dextrangel; 2) placing the macro-pore dextrangel into an NaOH solution with the concentration of 10-30% and reacting at a constant temperature in a range of 50-60 DEG C for 15-60 min to obtain alkalified macro-pore dextrangel; and 3) enabling the alkalified macro-pore dextrangel and carbon disulfide to react to obtain the xanthate macro-pore dextrangel adsorbent. The preparation method disclosed by the invention has the characteristics of simple preparation method, large specific surface area, great quantity of xanthate, and high adsorption capability of adsorbing heavy metal, and the dextrangel has the characteristics of light weight and low cost, good stability, degradability, environmental friendliness and the like; and the adsorbent disclosed by the invention is used for treating the heavy metal in wastewater and analyzing the separation and enriching effect of the heavy metal in chemistry.

The invention relates to the field of thermal energy and power engineering, in particular to a heat-pipe heat exchanger and a heat exchange method. The heat-pipe heat exchanger comprises a heat pipe housing, at least one radiator, at least one heat collector, a heat insulating layer and an exhaust liquid-filling port, wherein the heat pipe housing comprises a single inner space, a heat transfer medium is filled into the lower portion of the inner space, each radiator is filled with a radiating medium, the radiators are positioned on the lower portion of the inner space and immersed in the heat transfer medium, each heat collector is filled with a heat collection medium, the heat collectors are positioned on the upper portion of the inner space and above the liquid level of the heat transfer medium, the heat insulating layer warps the outer wall of the heat pipe housing, the exhaust liquid-filling port is reserved at the top of the heat pipe housing or on the upper portion of the lateral wall of the heat pipe housing, the heat transfer medium is filled into the heat pipe housing through the exhaust liquid-filling port, and gas in the heat pipe housing is exhausted through the exhaust liquid-filling port. The heat-pipe heat exchanger is simple in structure, convenient in maintenance and better in heat exchange effect.

The invention discloses a lignum aquilariae resinatum mask and a preparation method thereof. The lignum aquilariae resinatum mask is prepared from the following main components: water, propanediol, carbomer, sodium hyaluronate, xanthan gum, hydroxyethyl urea, a lignum aquilariae resinatum extract, an oat extract, beta-glucan, European verbena leaf and stem extracts, hydrolyzed collagen, triethanolamine and decoyl hydroximic acid. According to the lignum aquilariae resinatum mask disclosed by the invention, natural component extracts of the lignum aquilariae resinatum extract, a European verbena leaf extract and a European verbena stem extract are added, and the prepared mask is enabled to have a stronger moisturizing function through the synergistic effect of the three natural extracts, iscapable of enabling cells to expand, has the effects of whitening, brightening the skin color, tightening the skin, repairing damaged skin and delaying aging, and has regeneration capacity on the cells; the lignum aquilariae resinatum mask integrates the theory of traditional Chinese medicine and the theory of natural products-cosmetics, is good in stability and has no heavy metal ions and othertoxic substances.

The invention relates to a sewage filtering and taking device for a sewage source heat pump system. The sewage filtering and taking device comprises a sinking pump room (30), a water taking well (40), a trunk sewer (50), an outer filter cartridge (1), outer filtering holes (1-1) formed in the outer filter cartridge (1), a water suction pipe (2), inner filtering holes (2-1) formed in the water suction pipe (2), a boss (13), an anchor cone (14), a guide rod (3) and the like; the sewage filtering and taking device further comprising an outer filter cartridge lifting device, an outer filter cartridge decontamination device and an inner filter cartridge decontamination device, wherein the outer filter cartridge lifting device consists of a lifting rope (6), a lifting beam (7), a pulley (8), a winch (10) and a lifting button (11); the outer filter cartridge decontamination device consists of a sweeping ring (5), a sludge scraper (15) and a water cleaning ring (18); the inner filter cartridge decontamination device consists of four arc-shaped sludge scrapers (19) embedded on the inner wall of the outer filter cartridge (1). The sewage filtering and taking device can be directly soaked in a sewage culvert or a main canal, a drainage pool and a buffer pool are not needed to be built, river closure is not needed to be carried out on the sewage, and the sewage filtering and taking device can be installed only by punching on the top of the main canal. The sewage filtering and taking device is convenient to install and maintain, safe in construction and less in investment, is capable of avoiding the sewage source heat pump system being blocked, is stable in water taking, can prevent secondary pollution, and is reliable in filtering quality, rapid in sewage removal and long in service life.

A process for preparing bricks from sea silt through curing, mixing it with anti-cracking material, sintered coal and desalting agent, stirring, shaping, drying and sintering.

The invention discloses a method for improving temporary culture and wintering survival rate of portunus trituberculatus and belongs to the field of aquaculture techniques. The method comprises the steps of selecting high-quality portunus trituberculatus to wash, removing attach force of rock dynamic limbs, disinfecting, performing temporary culture and wintering; the step of removing the attach force of rock dynamic limbs adopts the technical solution of achieving the same technical effect by removing the rock dynamic limbs. According to the method, the rock dynamic limbs of the portunus trituberculatus are removed, so that the portunus trituberculatus loses the capability of clamping and attacking, the fight and harm between the portunus trituberculatuses can be reduced; after removing the dynamic limbs, the temporary culture and wintering survival rate of portunus trituberculatus is greatly improved; the temporary culture and wintering density is improved by more than two times; the utilization rate of facilities is improved; the cost can be reduced; and the income can be increased.

The invention relates to a processing method and a system of rinsing waster water in a printed circuit board. The method carries out the solid-liquid separation of the rinsing waste water, filters the waste water to control the particles in the waste water not to be larger than 30 micron and then filters the waste water to set discharge standard through a SiC porous ceramic filter leaf. The system comprises a solid-liquid separating device, a preliminary filtering unit and a depth-type filtering unit. The preliminary filtering unit uses a filtering net or a high molecular film to be a filtering element; the depth-type filtering unit comprises a multilevel filtering unit that uses the SiC porous ceramic filter leaf as the filtering element. The set level of the filtering unit causes drained water after filtering to meet the set standard. The invention adopts the physical filter and adsorption instead of the chemical reaction, thus having remarkable absorption and filter effect of heavy metal ions without introducing other substances. With low cost, little energy consumption, simple operation, small occupied area and wide application scppe, the invention has the good application outlook and the remarkable social benefits.

The invention relates to the technical field of intelligence, in particular to a green packaging box which comprises a box bottom plate, the top of the box bottom plate is fixedly connected with a box body mechanism, the box body mechanism is provided with a box cavity, a protection plate is arranged in the box cavity in a sleeved mode, an embedding opening is formed in the top of the box body mechanism, and an insertion frame is arranged in the embedding opening in a sleeved mode. When the protection plate is placed in the box cavity, the movable triangular sleeve moves towards the interior of the movable cavity under the extrusion action of the edges, so that after the movable triangular sleeve completely enters the movable cavity, the bevel edge at the bottom of the trapezoidal column makes contact with the edges, and under the extrusion action, the bevel edge at the bottom of the trapezoidal column can extrude the movable cavity towards one side; in this way, the second elastic inserting strip and the first elastic inserting strip are recycled, then the top containing plate can quickly enter the box cavity, and when the top containing plate moves to the position of the bearing clamping groove, the second elastic inserting strip and the first elastic inserting strip can be clamped in the bearing clamping groove under the elastic effect.

The invention relates to a method for adsorbing lead ions in a solution by nanocrystalline cellulose magnetic particles. The method comprises the steps of preparing nanocrystalline cellulose from microcrystalline cellulose, then, preparing nanocrystalline cellulose magnetic particles through grafting modification, finally, encapsulating the nanocrystalline cellulose magnetic particles by microcapsules so as to obtain a nanocrystalline cellulose magnetic particle adsorbent, and adsorbing the lead ions in the solution by using the adsorbent. The method has the characteristics of extensive raw materials and low cost, and the prepared adsorbent is environment-friendly and pollution-free, can be used for adsorbing a variety of heavy metals such as lead in sewage, is high in adsorption capacity and good in effect and has regeneration capacity.