39results about How to "Full and effective contact" patented technology

The invention discloses a fused salt heat treatment method for rubbish incineration fly ash, and belongs to ash treatment methods. The method solves the problems that the treatment temperature is high, the energy consumption is large and poisonous trace elements cause secondary pollution through existing treatment methods for the rubbish incineration fly ash. The method includes the steps of preparing mixed fused salt, carrying out fusing heat treatment, detecting the content of heavy metal and extracting and recovering the heavy metal. According to the method, chlorides, sulfate and partial heavy metal in the fly ash can be dissolved out through the fusing, heat storing and reacting characteristics of the fused salt, processes are relatively simple, reaction conditions are mild and easy to control, leaching of the heavy metal in the fly ash can be effectively controlled in an environment, the treated fused salt can be recycled, deep enrichment and recovery of the dissolved heavy metal can be carried out, the harm level of treated residues is greatly lowered, building material utilization and secure landfill of the treated residues can be conveniently carried out, secondary pollution is effectively reduced, the resource utilization efficiency is improved, and light reduction, harmlessness and resource utilization of the rubbish incineration fly ash can be realized synchronously.

The invention provides a method for artificial fertilization and hatching of hexagrammos otakii, which is used for solving the problems that spawns of the hexagrammos otakii in marine fishes have low fertilization rate and hatchability because the spawns have viscosity and become agglomerates when meeting sea water. The method adopts an artificial method to shape the spawns of the hexagrammos otakii into a planar type and then perform fertilization to prevent the viscid spawns from becoming the agglomerates so as to ensure that the spawns can fully and effectively contact sperms during the fertilization, the spawn fertilization rate is improved and can reach 93 percent under an artificial condition; besides, the method adopts hanging type hatching for spawn segments after artificial planar shaping to ensure that oosperms can obtain sufficient dissolved oxygen during the hatching and greatly improve the hatchability of the oosperms. Experiments show that the hatchability of the oosperms reaches 85 percent and is far more than 56 percent which is achieved under the conditions of the prior art.

The invention provides a method for preparing high-purity sulforaphane and in particular relates to a method for extracting the sulforaphane from radish seeds. The method is used for preparing products having the purity of more than 98% from air-dried radish seeds as the raw material and through the steps of cracking, degreasing, hydrolysis, initial separation by use of resin, reverse osmosis concentration, preparation separation and freeze-drying. The method is simple and convenient to operate, simple in equipment, mild in reaction conditions, energy-saving, low in production cost, and convenient to popularize and utilize. The used methanol waste liquid is recovered, the used resin is regenerated and impurities generated can be recycled, and therefore, the production is safe, green and pollution-free, and the production method is capable of saving energy and reducing emission. The sulforaphane product prepared by the method can be widely applied to the industries such as medicines and health care products.

The invention discloses a Venturi efficient mass transfer layer absorption tower which sets a Venturi efficient mass transfer layer in an empty spray tower. By utilizing Venturi effect, the Venturi efficient mass transfer layer absorption tower can improve the efficiency of gas-liquid mass transfer, ensure uniform gas distribution, increase gas-liquid contact time and area, and reduce liquid-gas ratio and power consumption. The absorption tower is simple in structure, lower in resistance and easy in manufacture and maintenance, and can be widely used in the flue gas desulphurization, dust extraction and chemical fields.

The invention relates to the technical field of work fixtures, and provides a sleeve grinding fixture. The sleeve grinding fixture comprises a cylindrical mandrel and two deformation mechanisms which are the same and are oppositely arranged on the mandrel. Each deformation mechanism comprises a gas bag, a nut, a plurality of supporting rods and a plurality of fixing plates. The nuts are connected with the mandrel in a threaded mode. The supporting rods are all hinged to the nuts and can rotate relative to the nuts. One ends of the fixing plates are hinged to the mandrel, and the other ends of the fixing plates are hinged to the supporting rods. The multiple fixing plates can form a cone around the mandrel and further be used for fixing a sleeve. The gas bags comprise gas inlets used for leading in gas and gas outlets used for blowing the gas to the outer circle of the sleeve, and the gas bags are arranged in the cone. According to the technical scheme, the sleeve grinding fixture provided by the invention is easy to operate, clamping and dismounting efficiency can be effectively improved, the range of application is wide, and grinding chips can further be cleared up in time.

The invention provides a preparation method of a nano traditional Chinese medicine decoction piece, and belongs to the technical field of traditional Chinese medicines, and the preparation method comprises the following steps: 1) high-pressure puffing pretreatment; 2) ultrasonic pre-crushing: adding a solvent into the puffed traditional Chinese medicinal materials, adding a modifier aqueous solution by using an atomization distributor under an ultrasonic condition, and crushing and dispersing the traditional Chinese medicinal materials to obtain a dispersion liquid; 3) high-pressure homogenizing and crushing: carrying out high-pressure homogenizing treatment on the dispersion liquid to obtain a suspension liquid, and carrying out solid-liquid separation treatment to obtain filter residues;and 4) drying: drying the filter residue to obtain the nano traditional Chinese medicine decoction piece. The wall breaking rate of the traditional Chinese medicinal materials is effectively increased, the nanocrystallization rate reaches 99.85% or above, the particle size of the nanocrystallized traditional Chinese medicinal materials ranges from 10 nm to 300 nm, the traditional Chinese medicinal materials are not prone to agglomeration, the obtained nanocrystallized traditional Chinese medicinal materials are high in stability and beneficial to human body absorption, the nanocrystallized traditional Chinese medicinal materials have the quick-acting characteristic, and the bioavailability of the traditional Chinese medicinal materials is fully improved. The preparation method disclosed by the invention has a wide application prospect in the field of traditional Chinese medicine nanocrystallization.

The invention discloses an aerial operation robot for power transmission line maintenance, which comprises an unmanned aerial vehicle platform, a Delta parallel mechanism and a cutting operation mechanism, wherein the Delta parallel mechanism is fixed below the unmanned aerial vehicle platform, and the cutting operation mechanism is fixed at the tail end of the Delta parallel mechanism; the cutting operation mechanism at least comprises a clamping mechanism supporting plate, a clamping mechanism and an electric heating wire; the clamping mechanism is fixed to the clamping mechanism supportingplate, a containing space is formed in the clamping mechanism and used for containing a power transmission line, and the electric heating wire is fixed to the clamping mechanism and transversely penetrates through the containing space. The aerial operation robot provided by the invention can cut off the floating hanging object from the upper side; since the electric heating wire directly cuts offthe connection point of the floating hanging object and the power transmission line, the situation that residues are left does not exist, and the cutting effect is better.

The present invention provides an electrical connection device, which is provided with a socket body and a spring member located in the socket body, the socket body is provided with a ring wall and an accommodating cavity surrounded by the ring wall, the The spring element is located in the accommodating cavity, and is provided with a first coil and a second coil contacting the ring wall. Compared with the prior art, the electrical connection device of the present invention arranges a spring member in the main body of the socket so that the spring member is sleeved on the main body of the pin and clamped and contacts with the main body of the pin, and the number of contact points is increased by using the spring member. The stability and reliability of the connection between the socket main body, the pin main body and the spring member are guaranteed, so that they can still maintain full and effective contact in an extreme vibration environment.

The invention relates to the technical field of metallurgy, and provides a composite additive used for roasting vanadium extracting. The additive is formed through the step that four materials including, by mass part, 35 parts to 55 parts of sodium materials, 15 parts to 25 parts of calcium materials, 0.5 part to 1 part of vanadium materials and 1 part to 5 parts of titanium materials are mixed and ground to 80 meshes to 100 meshes; the invention further provides a use method of the composite additive used for roasting vanadium extracting. The use method comprises following steps: A, mixing, wherein screened vanadium containing raw materials are selected, and a mixed material with the evenly-mixed composite additive is added; B, roasting, wherein the mixed material is subject to two-time roasting. According to the composite additive and the use method of the additive, the vanadium-contained ore is not likely to generate a liquid phase in the roasting process, the phenomenon of equipment bonding is avoided, toxic and harmful substances are not likely to be generated, the conversion rate and the purity of vanadium can be effectively improved, the roasting time is shortened, the roasting process is simplified, production cost is reduced, and process efficiency is improved.

The invention provides a method for measuring the brake temperature rise of elevator safety gear, which belongs to the technical field of elevator equipment detection. It solves the problem of low measurement accuracy of the braking temperature rise of the existing elevator safety caliper. The method for measuring the braking temperature rise of the elevator safety tongs comprises the following steps: A. setting up a plurality of gathering grooves inclined relative to the length direction of the tongs on the working surface of the safety tongs; B. embedding a temperature sensor in one of the gathering grooves, and Fix the heat-conducting silica gel at the notch position of the gathering groove; C, obtain the temperature rise value. The measurement accuracy of the elevator safety gear brake temperature rise measurement method is higher.

The invention provides an improved fermentation tank. A contact interface of gas and liquid can be increased, so that materials are in full and effective contact, the mass transfer rate between the gas and the liquid is increased, and therefore the fermentation effect and the product quality are improved. The improved fermentation tank comprises a main shaft, an upper end socket, a cylinder and alower end socket, and the upper end socket, the cylinder and the lower end socket are sequentially connected; one end of the main shaft is connected with a motor through a transmission device after penetrating through the upper end socket, and the other end of the main shaft penetrates through the cylinder and is fixed at the bottom of the lower end socket through a bottom bearing; a feed inlet and an air outlet are formed in the top of the upper end socket; an air inlet and a discharging hole are formed in the side wall of the lower part of the cylinder; the main shaft is sequentially sleevedwith a defoaming device and a blade type stirrer below the feed inlet and on the upper portion of the cylinder; the main shaft is sleeved with a multi-roller stirrer in the middle of the cylinder; the main shaft is sleeved with a nine-impeller type rotor on the lower portion of the cylinder.

An air disinfection purification device comprises a frame body, a cover plate unit arranged on the frame body, a sealing unit arranged on the cover plate unit, an exhaust unit arranged on the frame body, a support unit arranged on the exhaust unit, and a purification unit arranged below the exhaust unit. In the present invention, by setting an air outlet pipe on the frame body and setting a firstpiston in the air outlet pipe, an air outlet pipe on the frame body can be blocked to prevent dust, impurities and bacteria from entering the frame body through the air outlet pipe; and by setting thesealing unit, air sucked by a fan automatically enters a pipeline and then enters the frame body. The air disinfection purification device of the present invention has good sealing effect, simple operations and convenient use, and prevents external dust, impurities and bacteria from entering the frame body through a fourth through hole, thereby ensuring continuous use of the air disinfection purification device and preventing internal contamination.

The invention relates to the technical field of dampening for wheat wetting, and discloses a wheat wetting and dampening device for flour processing. The wheat wetting and dampening device comprises a base, wherein a first dampening box is fixedly connected to the top of the base, and a support rod is fixedly connected between the bottom of the first dampening box and the top of the base; and a first feeding hopper communicates with the top of the first dampening tank, a water injection pipe communicates with the top of the first dampening tank, a first motor is fixedly connected to the side surface of the first dampening tank, and the output end of the first motor penetrates through the side surface of the first dampening tank and is fixedly connected with a spiral conveying rod. The wheat dampening and dampening device solves the problems that in the dampening process of wheat, an existing wheat dampening and dampening device generally only pours water into the wheat and simply performs stirring, so that it is difficult to ensure that all the wheat can be dampened sufficiently and uniformly, and the wheat dampening processing effect and quality are severely reduced.

The invention belongs to the technical field of batteries, and particularly discloses a preparation method of a nano-micron lithium manganese phosphate/carbon composite positive electrode material. The method comprises the steps of carrying out the thermal treatment on a raw material solution containing a manganese source, a lithium source, a phosphorus source, the hexamethylenetetramine and the ethylene glycol at 70-80 DEG C in advance, then carrying out the thermal treatment on the solvent at 160-200 DEG C, mixing the prepared nano-micron lithium manganese phosphate with a macromolecule carbon source, drying and calcining at 500-650 DEG C in a protective atmosphere. The primary particles of the prepared material are nano-scale, grow preferentially and are distributed uniformly, so that the diffusion of the lithium ions in the material is facilitated. The secondary particles are micron-scale, so that the structure stability is facilitated, and the prepared material has the relativelyhigher charge-discharge capacity, excellent cycling stability and good rate capability.

The invention discloses portable multifunctional food safety detection equipment. The equipment comprises a detection box body, and a condition detection part and a chemical detection part connected with the condition detection part are sequentially arranged in the detection box body from top to bottom in the vertical direction. The chemical detection part is used for classifying and isolating the food detected by the condition detection part, crushing the food and carrying out multi-stage detection on the food. The appearance condition of the food is detected by the condition detection part, different types of food are separately transported to different areas by a separation guide structure, and are crushed through a separation crushing structure, so it is guaranteed that the food makes full and effective contact with a detection reagent in the detection box, the accuracy of the detection result is improved, and mixing of different kinds of food is avoided; and then the separation crushing structure adjusts the crushing contact surface when crushing different types of food, so the problem that the accuracy of a detection result is influenced by mixing of different types of foods is avoided.

The invention relates to an air treatment device and an air conditioner. The air treatment device comprises a shell, a fan, a water storage tank, a roller, a cleanliness detection device and an automatic cleaning device, wherein an air inlet and an air outlet are formed in the shell; the fan is arranged in the shell and used for driving airflow to flow from the air inlet to the air outlet; the water storage tank is used for containing water and arranged in the shell; the roller is rotatably arranged in the water storage tank and comprises a plurality of rotating discs arranged on a rotating shaft of the roller, and the roller is arranged to take out the water in the water storage tank through the rotating discs during rotation so as to wash and purify the airflow through the water attached to the rotating discs when the airflow flows through the roller; the cleanliness detection device is used for detecting the cleanliness of the rotating discs; and the automatic cleaning device is used for cleaning the rotating discs in a controlled mode. When the cleanliness of the rotating discs is low, dirt on the rotating discs can be cleaned through the automatic cleaning device, so that self-cleaning of the roller is achieved, the service life of the roller is prolonged, and it is ensured that the roller has good washing and purifying capacity for a long time.

The invention designs an air knife lip cleaning device which comprises a base body composed of a sliding seat A and a sliding seat B. The base body can move left and right in a guide rail groove of an air knife body in a reciprocating mode. The lower side of the sliding seat A is fixedly connected with a scraper used for cleaning an air knife lip, the part, extending out of the air knife lip, of the front end of the scraper is provided with a vertical knife lip scraping piece, and the knife lip scraping piece is in sliding contact with the air knife lip under pressure; a rolling bearing is arranged on the contact surface of the base body and the guide rail groove; a spring shaft extending into the front surface of the sliding seat A is fixedly connected to the rear surface of the sliding seat B, the outer circle of the spring shaft is sleeved with a pressure spring, and the front portion of the extending end of the spring shaft can freely slide in the sliding seat A. During working, the scraper body covers the outer surface of the lip, the cleaning effect is not affected by a gap of the lip, the fault that the cleaner is clamped in the lip can be avoided, the cleaning efficiency is improved, the service life is prolonged, and the scraper replaces import to be applied to domestic large iron and steel enterprises, and the good effect is achieved.

The invention discloses an environment-friendly type degradable cosmetic container. The environment-friendly type degradable cosmetic container comprises a polylactic acid thin film layer, a photodegradable plastic layer and a starch plastic layer, wherein the photodegradable plastic layer is arranged at the outer side of the polylactic acid thin film layer; the starch plastic layer is arranged atthe outer side of the photodegradable plastic layer; a clamp block is embedded into the upper part of the photodegradable plastic layer; a connecting block is arranged at the upper part of the clampblock; the outer side of the connecting block is provided with a thread section; the side part of the connecting block is respectively connected with the polylactic acid thin film layer and the starchplastic layer; the outer side of the connecting block is screwed with a cover plate; the side part of the starch plastic layer is movably connected with a flexible plate; a pull ring is arranged in the middle part of the flexible plate; a through gap is formed in the middle part of the photodegradable plastic layer. The environment-friendly type degradable cosmetic container has the advantage that by arranging the polylactic acid thin film layer, the photodegradable plastic layer and the starch plastic layer, and also arranging the clamp block, the flexible plate and the pull ring, each layercan be degraded, so that each layer is in full contact with the outside, and the purpose of complete dissolving is realized.