39results about How to "No emission" patented technology

The invention relates to an automatic balance control device and method for copper ion concentration. The device and method are used for automatically adjusting the balance of the copper ion concentration in the process of producing an electroplated copper clad aluminum wire. The device comprises one or more electroplating grooves, a specific groove and an exchanging groove in a sequential connection mode. The specific groove is connected with the electroplating groove through a pipeline, the electroplating groove is connected to a buffering groove through a pipeline, the buffering groove is connected to the specific groove through a pipeline, an automatic pump is further arranged on the pipeline between the specific groove and the buffering groove, a Cu2+ on-line monitor is connected to the buffering groove, a PLC controller is connected to the Cu2+ on-line monitor, a central control module is used for controlling a high-frequency power source to output variable voltage through detecting the concentration of Cu2+ in the buffering groove within a regulated time section, and namely working currents in the specific groove are controlled. In this way, the varying rate of the concentration of Cu2+ in the specific groove is controlled in an adjustable mode, the concentration of copper ions in the electroplating groove is kept at a stable value needed for the technology for a long time, the groove liquid does not need to be kept in a dilution mode, waste liquid is not generated, follow-up processing cost is reduced, and no discharging is generated.

The invention discloses an anti-corrosion graphene coating. The anti-corrosion graphene coating is characterized by containing the following raw materials in parts by weight: epoxy resin, deionized water, graphene sheets, graphene dispersion liquid, a leveling agent, a wetting and dispersing agent, pigments, an ethanol solvent, an anionic acrylic emulsion, a defoaming agent, an Rs preservative, acuring agent, polyaniline, a film forming aid, isooctyl ester, a thickener, dimethyl fumarate, a mold release preservative, a toughening agent and a silane coupling agent. The preparation method comprises the following steps: (1) mixing, and stirring; (2) adding ingredients, and stirring at a high speed, so as to obtain slurry; (3) adding the slurry into a sand mill, and carrying out sand milling;and (4) putting the slurry into a size mixing tank, and stirring at a high speed, so as obtain the anti-corrosion graphene coating. By utilizing environment-friendly materials, the quality of a product is substantially improved; the time and the materials are saved, the anti-corrosion graphene coating is convenient to use only through thin coating and has excellent properties of water resistance,heat resistance, corrosion resistance, weather resistance, stability and the like.

The invention discloses a preparation method for novel Grignard reagents, namely 4-chlorobenzylmagnesium chloride and 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole. The method comprises the steps as follows: the 4-chlorobenzylmagnesium chloride is prepared from a mixed solvent of ethyl ether and MTBE (Methyl Tertiary Butyl Ether) by taking p-chlorobenzyl chloride as a raw material; and the 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole is prepared from a methylene chloride solvent by taking 1- (4-(4-chlorophenyl)-2-hydroxy-normal-butyl) imidazole as a raw material. The 4-chlorobenzylmagnesium chloride and the 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole are important intermediates for preparing butoconazole nitrate.

The present invention relates to a wheat straw plastics composite material, and its composition includes 49%-79% of wheat straw, 19%-49% of thermo-plastic plastics and 2%-4% of adjuvant. The described wheat straw can be wheat straw and wheat straw leaf of fruiting body or their mixture, and the described adjuvant is one kind of the following components: lubricating agent, plasticizer, UV-ray-resisting agent, anti-oxidant, filling agent, reinforcing agent, fire-retardant, anti-static agent, coupling agent and binding agent. Its production method includes the following steps: cutting wheat straw, drying, pulverizing to 20-300 meshes, adding the wheat straw power into high-speed mixer, mixing it with adjuvant and plastic powder, homogenizing, further mixing, extruding, granulating, cooling, solidifying and making them into the invented wheat straw plastics composite material.

The composite material consists of rice straw 49-79 wt%, thermoplastic plastic 19-49 wt% and assistant 2-4 wt%. The rice straw may be rice straw and/or husk; and the assistant may be one or several of lubricant, plasticizer, uvioresistant agent, antioxidant, stuffing, reinforcer, fire retardant, antistatic agent, coupling agent and adhesive. The production process of the composite material includes stoving and crushing rice straw into 20-300 mesh; mixing straw powder is plastic powder and assistant in a high speed mixer; extruding via mold hole; pelletizing in the pelletizing machine; fast cooling, curing, and making into shaped material.

In a connection assembly of a turbine housing to a bearing housing of an exhaust gas turbocharger and to an exhaust gas turbocharger, wherein the turbine housing and the bearing housing are centered relative to each other and connected to each other in the region of a connection joint including a sealing assembly with a heat shield disposed between the turbine housing and the bearing housing, at least one cutout is provided in the heat shield for accommodating a centering means by way of which the turbine housing and the bearing housing are directly centered relative to one another.

The invention provides a far-infrared food barbecuing oven which can be used for barbecuing such food as sesame seed cakes, skewered meat, vegetables and potatoes. The multifunctional far-infrared food barbecuing oven comprises a thermal insulation box body, a food rotating tool mechanism, an oil and water storage mechanism, a safe closing and opening door, an operation panel, an intelligent electric control system, a far-infrared heating mechanism, a temperature control mechanism, a hot air inner circulation mechanism, a motor transmission mechanism, a smoke outlet and an observation window. Through the operation panel mechanism, the types of barbecued food can be selected and the corresponding food barbecuing time, temperature and heat power parameters can be set; the intelligent electric control system automatically controls the food rotating tool mechanism, the far-infrared heating mechanism, the temperature control mechanism, the hot air inner circulation mechanism, and the motor transmission mechanism. The far-infrared barbecue oven is multifunctional in food barbecuing, is convenient to control when the food is cooked, is clean and hygienic, saves energy and is environmentally-friendly, is safe to operate, prevents workers from being scalded and is high in efficiency.

The invention discloses a laying method of a wall covering plate, and belongs to the field of decoration. The method comprises the following steps: 1, placing an auxiliary line; 2, placing and fastening a first pressing strip; 3, placing first pearl wool; 4, placing a first wall surface covering plate; 5, placing and fastening a second pressing strip; 6, placing second pearl wool; 7, placing a second wall surface covering plate; and 8, placing and fastening a second pressing strip. By adopting the method disclosed by the invention, the following beneficial effects can be achieved: 1, the hidden danger that the ceramic tile falls off to hurt people due to hollowing is completely eradicated; 2, no moisture is emitted indoors, and no moisture is generated; 3, no formaldehyde pollution exists;4, the ceramic tile has no load concentration point, so that the ceramic tile is not easy to crack when being impacted; 5, secondary utilization of the ceramic tile is facilitated, resources are efficiently utilized, and resource waste is eradicated; 6, the heat preservation performance and the sound insulation performance of the wall body are improved; 7, the wall body is thinner and lighter, sothat the load of a floor beam body is reduced; and 8, the loss of the use area in a building is reduced.

The invention discloses a device and a production process for producing latex mattresses by adopting high-frequency vulcanization, and belongs to the technical field of latex mattress production. The invention adopts a high-frequency heater as the heating source in the latex vulcanization process, and uses the polar movement of water molecules under the action of a high-frequency electric field to cause violent collisions in the dried product, thereby realizing the evaporation of water molecules from the inside, with high efficiency. , uniform drying, wide adaptability, less damage to the dried product, and accurate moisture regain control; the invention uses the lower mold bottom plate directly as the cathode of the high-frequency heater to heat the latex pad in the mold from the inside to the outside, and the product Uniform heating; the invention can automatically realize mold closing and mold opening operations, and the mold after mold opening is continuously transmitted to the mold closing process section for reuse, realizing the automation and continuity of the production process, and high production efficiency; latex mold corners The parts are made of nylon or plastic, which effectively avoids the problem of sparks caused by electromagnetic waves colliding with each other, and has high safety.

The invention discloses a composition for preparing a ceramic cubbyhole. The composition for preparing the ceramic cubbyhole is made from, by weight, 60% of foamed aluminum powder, 30% of silicon carbide, 2% of active calcium, 5% of bovine-derived bone and 3% of a binding agent. According to the composition for preparing the ceramic cubbyhole, formulation is simple, the cost is relatively low, a traditional single material is changed, the composition for preparing the ceramic cubbyhole is processed with ceramic materials, so that performance of finished products is stable, no toxic and harmfulsubstances are scattered, and attractiveness is high.

The invention discloses an automatic sewage lifting device with an oil-separating apparatus, which has the functions of automatic sewage lifting and simple oil separation. The automatic sewage lifting device disclosed by the invention is characterized in that a water inlet is in butt joint with a water outlet by a flange; a feed water check valve and a four-way water distributor are connected by a special hole and a flange; a discharge water check valve is in flanged joint with a discharge pipe; a solid-fluid separator is in flanged joint with a pipe; and the bottom of the solid-fluid separator is provided with a hole, welded with the pipe and then in flanged joint with a submersible sewage pump. The automatic sewage lifting device disclosed by the invention has the advantages of environment friendliness, health and space saving.

The invention discloses a smokeless anti-fatigue moxa-moxibustion stick and a preparation method thereof. The smokeless anti-fatigue moxa-moxibustion stick comprises, by weight, moxa carbon powder, chrysanthemum extract, Siberian elm bark powder, epimedium herb powder and rubber powder. Chrysanthemum is treated by matching various processes, and effective components including linarin in the chrysanthemum are extracted at the highest extraction rate. Compared with a general traditional extraction method, the matched various processes can maximally extract the linarin and other effective components in the chrysanthemum, the chrysanthemum extract serving as a raw material is added in the preparation process of the moxa-moxibustion strip, efficacy can be maximally played, and moxibustion heat enters a human body when the moxa-moxibustion stick enters is combusted, so that an anti-fatigue function is achieved.

The invention discloses an environment-friendly household wallboard. The environment-friendly household wallboard sequentially comprises a coating board, an insulating board and a concrete fireproof board from the inner layer to the outer layer. The insulating board is arranged between the coating board and the concrete fireproof board, and the coating board, the insulating board and the concrete fireproof board are arranged from thin to thick. The environment-friendly household wallboard is environmentally friendly, free of smells and good in insulating effect, and has fireproof capacity.

The invention discloses a constant-temperature reciprocating type hot press for touch screen machining. The constant-temperature reciprocating type hot press for touch screen machining comprises a hot press body, the upper end of the hot press body is fixedly connected with a connecting rod, the lower end of the hot press body is fixedly connected with an adjusting supporting leg, the adjusting supporting leg internally comprises a sleeve, the sleeve is internally and movably connected with a movable rod, a fixed screw hole is formed in the interior of the movable rod, a fixed screw is detachably connected to the interior of the sleeve, the fixed screw penetrates through the outer side of the sleeve to be matched with the fixed screw hole in a clamped mode, and the lower end of the adjusting supporting leg is fixedly connected with a fixed supporting leg and a universal trundle in sequence from inside to outside. According to the constant-temperature reciprocating type hot press for touch screen machining, overall resource consumption is reduced, and therefore overall hot pressing is facilitated, a lead screw sliding block drives a hot pressing roller in the interior of an automatic adjusting frame to carry out repeated hot pressing on a touch screen, the overall hot pressing effect is improved, meanwhile, overall moving and fixing are facilitated, and the overall practicability is improved.

The invention discloses a combined ceramic file shelf. The combined ceramic file shelf includes a bottom plate, a left side plate, a right side plate, and a back baffle plate; a bottom edge of the back baffle plate is vertically connected to a back edge of the bottom plate; the left side plate and the right side plate are connected to right sides and right sides of the bottom plate and the back baffle plate respectively; the bottom plate, the left side plate, the right side plate and the back baffle plate are integrally formed through a die; clamping grooves are symmetrically formed in inner walls of the left side plate and the right side plate; sandwich plates are connected between the left clamping grooves and the right clamping grooves; two ends of the sandwich plates are clamped in theclamping grooves so as to achieve free combination. The combined ceramic file shelf is simple in structure, is novel in design, and can achieve free combination; and the combined ceramic file shelf is made of a ceramic material instead of the conventional single material, is stable in finished product performance, will not release toxic substances, and is high in beautiful degree.

The invention relates to a preparation method of high-purity racemic nicotine, which comprises the following steps: (1) reacting 4-(pyridine-3-yl)-1-butyraldehyde, a strong acid catalyst and 2, 2-dimethoxypropane to obtain a product 3-(4, 4-dimethoxybutyl) pyridine; (2) reacting and oxidizing the 3-(4, 4-dimethoxybutyl) pyridine obtained in the step (1) with an oxidizing agent to obtain a product 4, 4-dimethoxy-1-(pyridine-3-yl) butanone; and (3) dissolving the 4, 4-dimethoxy-1-(pyridine-3-yl) butanone obtained in the step (2) in an organic solvent, reacting under an acidic condition, concentrating under reduced pressure, adding methylamine hydrochloride and a reducing agent, reacting to obtain a racemic nicotine crude product, and refining to obtain the pure racemic nicotine. The method for preparing the racemic nicotine is simple in process, mild in reaction condition, free of gas emission in the reaction process, environment-friendly and high in yield, and is an industrial method which is expected to synthesize the racemic nicotine on a large scale.