34results about How to "Address health hazards" patented technology

The invention relates to a zinc powder-free shop primer. The zinc powder-free shop primer comprises a component A and a comment B, wherein the component A comprises epoxy resin with the weight-average molecular weight of 1300-3700, polyvinyl butyral, powder of a compound containing at least two of zinc, phosphorus and iron, pigment and filter, and a solvent in parts by weight; and the component B comprises a curing agent accounting for 2-8wt% of the mass of the component A and a solvent. The zinc powder-free shop primer provided by the invention has the advantages that no lots of zinc overflows in the electric soldering cutting flame operation, and the harm on operators is avoided.

The invention discloses a co-pyrolysis method for alkaline residues and a discarded printed wiring board. The method includes the steps that the discarded printed wiring board is subjected to heat treatment, soldering tin is removed and electronic components are dismantled; the discarded printed wiring board subjected to heat treatment and the alkaline residues are mixed and then are put into an atmosphere pyrolyzing furnace for oxygen-deficient non-sufficient combustion; after a pyrolysis volatile component is washed and purified, pyrolysis oil and pyrolysis gas are recovered, the pyrolysis gas serves as fuel gas to return to the atmosphere pyrolyzing furnace, a pyrolysis residue phase component is screened and separated, an oversize component is crushed and winnowed, and a metallic material and an inorganic nonmetallic material are recovered; and a screen underflow component returns to the atmosphere pyrolyzing furnace to be recycled. By adoption of the method, the alkaline residuesand the discarded printed wiring board are cooperatively treated, and various sorts of metal, nonmetal and organic matter in the discarded printed wiring board are fully recycled; and moreover, the alkaline residues can be fully utilized, the characteristics of being environmentally friendly and low in energy consumption are achieved, and full-resourcing clean recycling of the alkaline residues and the discarded printed wiring board is truly realized.

The invention provides a straw artificial board and a preparation method thereof. The straw artificial board is prepared by using aldehyde-free and poison-free adhesive, so that the problem of harming to the health due to use of formaldehyde-type adhesive is solved; meanwhile, compared with a technical scheme of using isocyanate, the cost is greatly reduced; and chloride ion molecular groups in polyamide epichlorohydrin are fully used for reinforcing the binding performance of an inorganic gel material, so that all performance indexes of the board are greatly improved. The straw artificial board prepared by the preparation method of the straw artificial board is high in hardness and excellent in thickness uniformity; the adhesive cost is reduced; meanwhile, the success rate of the straw artificial board is increased; and the yield and the efficiency are both greatly improved.

The invention discloses a wheel set and gear case cleaning agent for high-speed rails and a use method thereof. The cleaning agent comprises triethanolamine, dodecadicarboxylic acid, alcohol alkoxylate, a complexing agent and a soil dispersing agent, wherein the complexing agent is selected from one or two of disodium ethylenediamine tetraacetate and nitrilotriacetic acid; the soil dispersing agent is selected from one or two of sodium acrylate homopolymer and polyacrylic acid. When being used for high-speed rail repair, the cleaning agent disclosed by the invention is high in cleanliness after cleaning and simple in cleaning operation, is beneficial to flaw detection of wheel sets and is capable of meeting rust prevention requirement in the short term from the flaw detection to the assembly; in addition, the cleaning agent can be diluted to more than 10 times for use and is low in cost, friendly to environment and free of toxicity to human.

The invention provides protein coffee and a preparation method thereof, relating to the technical field of food processing and aiming at solving the problem that existing coffee contains non-dairy creamer which is harmful to human health. The protein coffee comprises the following components in parts by weight: 80-120 parts of coffee powder, 15-30 parts of protein powder, 0.5-10 parts of whole milk powder, 0.01-1 part of a sweetener and 0.1-1 part of sodium carboxymethylcellulose. Water is added into the raw materials and is uniformly mixed with the raw materials; and then the mixture is subjected to the steps of granulating, drying, sizing, sub-packaging, packaging and checking to prepare the product. Vitamins, pigments and preservatives are not added; the protein coffee has rich taste, good taste and low calories, does not contain sugar and trans-fatty acids, and has comprehensive nutrition, so that the protein coffee is particularly suitable for being eaten by fat people and diabetes mellitus patients; and the production method is simple, has moderate conditions and does not need special equipment, so that the industrialization is easy to realize.

The invention discloses a preparation method of a PVC (polyvinyl chloride) waterproof coating. The preparation method comprises the specific preparation process as follows: prepared branched PVC and absolute ethyl alcohol are added to a stirring reactor, meanwhile, nano-titania, a plasticizer and a defoaming agent are added, the mixture is stirred and mixed uniformly, main slurry is obtained, prepared fluorinated epoxy resin powder is added to the main slurry, the main slurry is stirred to react at 40-45 DEG C for 40 min, and viscous slurry, namely, the PVC waterproof coating, is obtained. Alkoxyl-grafted PVC is directly cured and crosslinked with fluorinated epoxy resin, so that the branched PVC and the fluorinated epoxy resin are cured and crosslinked into a net structure, nano-titinia is wrapped in the net structure and can be better fixed, meanwhile, alkoxy and fluorine functional groups are uniformly distributed on the net structure, and the coating has uniform hydrophobic property, aging resistance and thermal stability.

The invention discloses a plaster for treating cough caused by a cold. The plaster is prepared from rhizoma pinellinae praeparata, arisaema cum bile, bulbus frityllariae cirrhosae, herba asari, honeysuckle flowers, apricot kernels and borneol at the corresponding weight ratio, and a grinding tool is also adopted. A preparing and using method of the plaster comprises the following steps: taking rhizoma pinellinae praeparata, arisaema cum bile, bulbus frityllariae cirrhosae, herba asari, honeysuckle flowers and apricot kernels, grinding the abovementioned medicinal materials by adopting the grinding tool till the powder is obtained, taking the borneol, mixing the medicinal material powder and the borneol, and applying the prepared medicinal plaster to the corresponding acupoints, wherein the applied acupoints comprise the Dingchuan acupoint (point ex-b 1), the Tiantu acupoint (point cv 22), the Danzhong acupoint (point RN 17), the Shenque acupoint (point cv 8) and the Feishu acupoint (point BL 13), and the applied time and number are determined according to the tolerance of the skin and the degree of the disease symptoms. Through the mixing of the medicinal materials, the efficacies of the medicinal materials are exerted to the maximum, after the plaster is applied to the corresponding acupoint, a very good treatment effect is achieved, the construction is simple, the preparation is convenient, the treatment effects are obvious, and the problems of body weakness and health hazard caused to people by the cold are effectively solved.

The invention discloses a healthy self-massage neck-clamping plush toy. The healthy self-massage neck-clamping plush toy is characterized by comprising a plush outer sleeve, healthy filler, a self-controlled massage device and a cloth strip ribbon, a curve-shaped inner bag and a filling bag are arranged in the plush outer sleeve, the rear of the plush outer sleeve is provided with an outer openingarea, the lower portion of the front side of the plush outer sleeve is provided with an invisible hole, a switch of the self-controlled massage device is arranged in the invisible hole, the outer side of the outer opening area is fixedly provided with the cloth strip ribbon, the healthy filler is entirely arranged in the filling bag in the plush outer sleeve, and the self-controlled massage device is arranged in the curve-shaped inner bag in the plush outer sleeve. The healthy self-massage neck-clamping plush toy has the advantages that the entire comfort is good, the plush outer sleeve can be detached and washed, and the healthy filler in the plush outer sleeve is convenient to replace, clean or inspect, so that the whole toy is ensure to be healthy, environmentally friendly, safe and sanitary; the self-controlled massage device can be taken out from the curve-shaped inner bag, then can be used after being put back, and has the function of massaging the left and right sides and multiple parts of the back of the neck of the human body.

The embodiment of the invention discloses a solid asbestos crystal material and a preparation method thereof. The solid asbestos crystal material comprises the following raw materials in part by weight: 60-65 parts of asbestos tailings, 10-15 parts of quartz sand, 20-25 parts of limestone, 1-2 parts of nucleating agent, 1-2.5 parts of regulator and 0.3-0.5 part of co-solvent. The solid asbestos crystal material disclosed by the invention has excellent thermal performance; by selecting the asbestos tailings as making raw materials, the thermal performance of the prepared asbestos crystal material can be improved; in addition, the manufacturing cost is also reduced, and the problems that the land area is occupied by asbestos tailing accumulation, and health hazards and potential geological hazards are caused to humans and animals are solved.

The invention provides a novel fast cleaning blackboard. The blackboard comprises an outer frame, a blackboard belt, left rotating shafts, right rotating shafts, a left wiping rod, a right wiping rod and a pulling plate, wherein the outer frame comprises a top plate, a bottom plate and two side plates, the two left rotating shafts are rotatably installed between the left end of the top plate and the left end of the bottom plate, the two right rotating shafts are arranged between the right end of the top plate and the right end of the bottom plate, the blackboard belt is an annular belt, the blackboard belt surrounds the outer sides of the left rotating shafts and the right rotating shafts, the left wiping rod is arranged between the two left rotating shafts, the outer side of the blackboard belt is wound round the left wiping rod and makes contact with the side wall of the left wiping rod, the right wiping rod is arranged between the two right rotating shafts, the outer side of the blackboard belt is wound round the right wiping rod and makes contact with the side wall of the right wiping rod, bristles or wiping cloth are arranged on the outer sides of the left wiping rod and the right wiping rod, the pulling plate is fixedly arranged on the outer wall of the front side of the blackboard belt, and therefore, the technical problems that when teachers and students use the blackboard frequently, time and labor are wasted when the blackboard is wiped, and falling dust is prone to cause harm to bodies of the teachers and the students can be solved.

The invention relates to zinc-free water-based primer. The zinc-free water-based primer comprises the following raw materials in percentage by weight: 40 to 50 percent of lithium silicate, 0.1 to 1 percent of a ferrophosphorus powder, 0.1 to 3 percent of a zinc-iron powder, 0.1 to 3 percent of dimethyl ethanolamine, 0.1 to 3 percent of sodium methyl silicate and 40 to 60 percent of tetrabutyl titanate. The problem of secondary rust removal caused by zinc powder is solved, and health hazards to construction personnel and environmental pollution are solved; moreover, the adhesive force is obviously more excellent than that of inorganic zinc product under the condition that surface treatment is not ideal.

The invention discloses a convenient auxiliary protection device for a lathe in the technical field of lathes and a use method thereof, including a chip collecting assembly, the magnetic chip collecting plate has a fan-shaped structure, and an arc is arranged under the front surface of the magnetic chip collecting plate Protective cover; chip cleaning rope assembly, the chip cleaning rope assembly is arranged on the front surface of the magnetic chip collecting plate, and the chip cleaning rope assembly includes guide grooves equidistantly arranged on the front surface of the magnetic chip collecting plate; guide rod assembly, the The guide rod assembly is arranged on the rear surface of the magnetic chip collecting board; the invention drives the driving rod and the linkage rod to drive the transmission gear to move in the guide rail through the movable parts, and the string is always stretched along the surface of the magnetic chip collecting board during this process. Sliding down in a tight shape, combined with the wind suction effect, the iron filings are comprehensively and quickly collected into the scrap collection barrel, and the cleaning operation is automatically completed, avoiding the secondary health hazards caused by the staff during cleaning, from the source The problem that iron filings are harmful to the health of workers is solved.

The invention provides a fabric warning sign with a service life prompting function and a manufacturing method thereof.The fabric warning sign with the service life prompting function is characterized in that skin-core structure composite filaments, vat dye dyed cellulose fibers and white cellulose fibers are used as raw materials, through three-layer fabric weave design, different chlorine bleaching resistance and oxygen bleaching resistance of the materials and the dye are utilized, and the materials are combined from outside to inside, so that the service life of the fabric warning sign is prompted. Therefore, the prepared fabric structure shows the characteristic that the fabric structure turns yellow from blue and then turns red along with the increase of the use frequency and the use time from outside to inside, and the fabric structure has the function of prompting the service life. The invention provides a three-layer fabric design method for reflecting different use time, and provides a method for determining the relationship between the chlorine bleaching resistance and the oxygen bleaching resistance of the material and the dye and the use time, thereby having strong practicability and meeting the actual use requirements of different fabrics. The preparation method, the principle and the production process are simple and easy to implement, and the preparation method is suitable for large-scale and industrial production.

The invention belongs to the technical field of chemical articles and relates to a chemical antibacterial bottle. The chemical antibacterial bottle comprises a bottle body, a bottle opening and a bottle cap, wherein the bottle body is cylindrical, a bottle body arc-shaped portion is arranged in the bottom of the bottle body along the peripheral direction, the bottle body and the bottle opening are integrally formed, an external thread and a bottle opening vertical portion are arranged at the outer edge of the bottle opening along he peripheral direction, the bottle opening vertical portion is located on the external thread, a bottle opening inward inclining portion is arranged at the inner edge of the bottle opening along the peripheral direction, the bottle opening vertical portion and the bottle opening inward inclining portion form an inward inclining structure, a bottle cap arc-shaped portion is arranged at the outer edge of the bottle cap along the peripheral direction, an internal thread and a bottle cap vertical portion are arranged at the inner edge of the bottle cap along the peripheral direction, the bottle cap vertical portion is located on the internal thread, the external thread is matched with the internal thread, and the bottle opening vertical portion is matched with the bottle cap vertical portion. The chemical antibacterial bottle provided by the invention aims to solve the problem that a toning lotion left at the bottle opening breeds bacteria and finally deteriorates to bring health hazards to human body as a result of an unreasonable structural design of an existing cosmetic bottle.

The invention provides a production line for achieving rotary furnace robot feeding and discharging in concave mirror production. The production line involves a feeding conveying belt, a feeding special machine, a firing rotary furnace, a discharging special machine and a discharging conveying belt; the discharging special machine comprises a discharging rack, a discharging turnover mechanism, a discharging robot and a discharging adjusting mechanism; and the discharging adjusting mechanism is arranged on the discharging rack in a sliding mode and is locked through a fixing piece. According tothe production line, concave mirrors are carried from the feeding conveying belt to the firing rotary furnace through the feeding special machine, and the fired concave mirrors are carried from the firing rotary furnace to the discharging conveying belt through the discharging special machine, so that the full-machine automatic production is achieved, and the problem that the manual production causes harm to the health of staff is solved; and all the technological processes of the production line are smoothly linked, so that the production efficiency is effectively improved.

The invention provides a preparation method of crayfish condiments. The preparation method comprises the following steps of (1) mixing tea leaves with lobster meat to obtain a mixture, adding the mixture to a pulping machine, and adding water to obtain slurry; (2) adding lactobacillus acidophilus and saccharomyces cerevisia to the slurry, performing fermentation at the fermentation temperature of28-32 DEG C for the fermentation time of 48-72h, and performing filtering to obtain fermentation liquid; (3) mixing Chinese prickly ash with star aniseeds, fennel fruits, semen myristicae, dried orange peel, a sweetening agent and cumbopogon citratus stapf, performing cooking treatment, performing cooling to room temperature to obtain a mixture, adding the mixture to a pot loaded with hot rapeseedoil, and performing stir-frying to obtain stir-fried substances; and (4) spraying the enzymatic hydrolysate to the stir-fried substances, and performing drying and regulating until the content of solid is 50-60wt% so as to obtain the crayfish condiments. The seasoning prepared by the method is environmental-friendly, healthy, high in flavor, and notable in effects of increasing fragrance and fresh flavor.

The invention provides a preparation method of lobster seasoning. The preparation method comprises the following steps of (1) performing freezing treatment on sophora japonica and lobster meat with liquid nitrogen, and performing breaking and mixing to obtain mixed powder; (2) adding water to the mixed powder, performing cooking, then performing cooling to 50-60 DEG C, regulating the pH value of mixed liquid to 6.5-8.5, sequentially adding cellulases and proteases, performing enzymolysis for enzymolysis time of 6h-10h, and performing warming for inactivating to obtain enzymatic hydrolysate; (3) mixing star aniseeds with fennel fruits, semen myristicae, cinnamon, a sweetening agent and licorice roots, performing softening treatment with superheated steam, performing cooling to room temperature, adding the mixture to a pot loaded with hot rapeseed oil, and performing stir-frying, to obtain stir-fried substances; and (4) spraying the enzymatic hydrolysate to the stir-fried substances, andperforming drying and adjusting until the content of solid is 40-50wt% so as to obtain lobster seasoning. The seasoning prepared by the method solves the problem that health is damaged, and is notable in effects of increasing fragrance and fresh taste.