403results about How to "Harmful to health" patented technology

The invention discloses a viscose fiber with a plant source anti-bacterial function and aromatic smell. The viscose fiber is composed of a viscose spinning solution, an anti-bacterial agent and an aromatic agent, wherein the anti-bacterial agent is mixed powder of a mint extract and a isatis root extract, wherein the weight percentage of the mint extract accounts for 40%-80%; and the weight percentage of the isatis root extract accounts for 60%-20%; the aromatic agent is mint oil coated by microcapsules; the anti-bacterial agent accounts for 1%-8% of the mass of methyl cellulose in the viscose spinning solution; the mint oil accounts for 0.2%-1% of the mass of methyl cellulose in the viscose spinning solution; and the viscose fiber is prepared by adopting a wet spinning method by using the viscose spinning solution, the anti-bacterial agent and the aromatic agent. The plant source extracts and the plant source essential oil are used as the anti-bacterial agent and the aromatic agent; and the anti-bacterial agent and the aromatic agent are uniformly distributed in the fiber, so that the anti-bacterial function and the aromatic smell of the fiber are durable. Since the plant source extracts and the aromatic agent are natural substances extracted from the plants, so that the viscose fiber has no side effect to human body.

An atomizer component, a battery component and an electronic cigarette are provided. A knurl configuration is provided, the knurl protrudes from a surface of an end cover of the atomizer component, where the end cover and an atomizer sleeve are contacted closely. A knurl configuration is provided, the knurl protrudes from a surface of an end cover of the battery component, where the end cover and a battery sleeve are contacted closely. The knurl configuration is defined on the outer surface of the circumferential side wall of the joint part of the end cover. The drawbacks in the prior art, that the end cover may easily fall apart from the sleeve resulted from the smooth surface contact there between and the glues between them may run out to be dirty and harmful when implementing the gluing process, can be overcome.

The invention relates to a large-scale aluminum alloy hub isothermal forging production line. The large-scale aluminum alloy hub isothermal forging production line is characterized by comprising a bar cutting machine, a bar heating furnace, a plurality of delivery manipulators, a pre-forging hydraulic press, a hub finish-forging hydraulic press, an aluminum alloy hub broaching and trimming hydraulic press and a pressing die. A cold material conveying roller table is arranged between the bar cutting machine and the bar heating furnace, a hot material conveying roller table is arranged between the other end of the bar heating furnace and the delivery manipulators, a die heating furnace, a die change trolley and a change trolley rail are arranged on one side of the pre-forging hydraulic press, a pre-forging lubrication spraying device is arranged on the other side of the pre-forging hydraulic press, a middle heating furnace or a delivery roller table is arranged between each two manipulators, and a finish-forging lubrication spraying device is arranged on one side of the hub finish-forging hydraulic press. The large-scale aluminum alloy hub isothermal forging production line has the advantages that by means of structural and technical combination of hot die forging, broaching and trimming, one-time pressing of aluminum alloy hubs can be realized, the pressing process of the aluminum alloy hubs is simplified, cost, time and labor for later-stage secondary processing and shaping can be greatly saved, and production efficiency is improved.

The invention relates to a super- weatherable polyether powder coating, comprising the following components in terms of mass percent: 58.5-62.4% of thermosetting resin hydroxyl-terminated polyester resin, 2.6-6.5% of curing agent, 10-20% of pigment, 10-20% of filler and 2-6% of assistant. The super- weatherable polyether powder coating has excellent performance of resisting ultraviolet, excellent weather resistance and strong adhesion to the primer, does not cause environment pollution and damage the health of the workers during the coating, and effectively improves the coating efficiency.

The invention discloses an automatic operation system and method of biologically refined herbal fibers. The system includes herbal-fiber material standardizing and arranging equipment which includes a rolling device, a separation device and a dust collection device; motion-type herbal-fiber material inoculating equipment include a plurality of horizontal transport devices, a first bacteria solution spraying device and an output device; motion-type herbal-fiber material wet-fermentation equipment includes a plurality of horizontal transport devices; motion-type fermentation material inactivating equipment includes plurality of horizontal transport devices, a pressure hot-water comb and a rolling device; motion-type inactivated-product hydraulic equipment includes a pressure water-spraying device, an extrusion device and an output device; motion-type biologically-refined-herbal-fiber oil dipping equipment includes a moisture drying device, a transmission device, a plurality of horizontal transport devices and an oil spraying device; motion-type biologically-refined-herbal-fiber drying equipment includes a drying device and an output device. The technical problem is solved that the automatic operation system and method of the biologically refined herbal fibers are provided.

The present invention relates to a remote mobile medical management method based on a cloud platform. The method comprises that a patient mobile client generates a physiological data disease curve corresponding to the patient and a reference value of disease difference corresponding to the various physiological data of the patient according to the patient physiological data acquired by the patient physiological data acquisition device; the cloud platform extracts patient information, gender, age, place of birth, occupation, etc. of all patients that are registered on the cloud platform within the preset period to generate a pre-diagnosis model for all patients and obtain the pre-diagnosis disease for the current patient; and the cloud platform installs a preset forwarding criteria to send patient information, a patient physiological data set, the reference value of disease difference, and the pre-diagnosis disease to the corresponding hospital service subsystem for remote diagnosis, and the expert physicians form electronic medical records with their signatures for the patients. According to the remote mobile medical management method disclosed by the present invention, valuable reference information for doctors to diagnose the disease can be preliminarily provided by effectively using the mobile client and the cloud platform on the patient side, and remote mobile medical efficiency is improved.

The invention provides a polyurethane elastomer as well as a preparation method and the usage thereof. In the invention, the metal catalyst which is generally used in the industry at present is not needed, instead, the ratio between polylols in use and that between the polylols and amine catalyst determine the catalysis balance between foaming reaction and gel reaction in the process of preparing the polyurethane elastomer. While the polyurethane elastomer with an expected density is obtained, other physical properties of the polyurethane elastomer are also maintained. Besides, extra toxicological and economic advantages are achieved. The polyurethane elastomer is in particular suitable for the preparation of soles or other applications.

The invention relates to an epoxy modified polyurethane double-component grouting material for road engineering maintenance and a preparation method thereof, wherein the grouting material comprises a component A and a component B; the component A comprises following components in part by weight: 700-800 parts of polyether glycol, 100-300 parts of epoxy resin addition product, 20-40 parts of foaming agent, 40-80 parts of foam stabilizer and 10-40 parts of catalyst; and the component B is polyphenyl polymethylene polyisocyanate. The preparation method comprises the step of mixing and stirring the component A and the component B according to the mass ratio of (0.8-1.5): 1 uniformly. The grouting material has the advantages that: when the material participates in foaming reaction and is cured, the compression strength and bonding force of the formed liquid cement are improved, and the maximum tensile shear strength can reach 4.3Mpa, so that the grouting material is better than the grounding material mixed by polyurethane and epoxy resin; and the grouting material reduces builder body damage and has a certain economic benefit.

The invention provides a method for preparing a waterborne plastic toy paint. The paint comprises the following components in percentage by weight: 50 to 70 percent of copolymer emulsion A of butyl acrylate, styrene and acrylonitrile, 10 to 15 percent of copolymer emulsion B of methyl methacrylate, styrene and N-methylol acrylamide, 2 to 5 percent of propylene glycol butyl ether film forming auxiliary agent, 5 to 7 percent of mono-isobutyric acid trimethyl pentanediol ester film forming auxiliary agent, 0.1 to 0.4 percent of polysiloxane and polyester copolymer leveling agent, 0.1 to 0.4 percent of polysiloxane mixture defoaming agent, 0.1 to 0.4 percent of associative type polyurethane thickener, 0.1 to 0.4 percent of 2-amino-2-methyl-1-propanol organic amine neutralizer, 2 to 6 percent of hard polyethylene wax emulsion, 0 to 15 percent of deionized water and 0 to 25 percent of color paste; and the preparation method comprises the following steps of: adding all the acrylic acid emulsion, deionized water, organic amine neutralizer, leveling agent, defoaming agent, film forming auxiliary agents and wax emulsion to a paint mixing kettle with stirring at a rotary speed of 60 to 120rpm, stirring the mixture at a rotary speed of 200 to 300rpm for 10 to 20min, adding the color paste to the mixture at a rotary speed of 60 to 120rpm, stirring the mixture at a rotary speed of 200 to 300rpm for 10 to 20min, adding the thickener until the viscosity of the mixture meets the index of 70 to 110s(paint-1 cup) and the adhesive force of the spraying plate paint film reaches the first grade(by the cut test on an ABS plate), and filtering and packaging.

The invention relates to a green alkali-free liquid concrete setting accelerator and a preparation method thereof, and belongs to the technical field of concrete processing. According to the method, aluminum sulphate, calcium hydroxide, organic acid and deionized water are taken and are charged into a three-opening flask; stirring is performed under the condition of constant-temperature water bath; setting accelerator mother liquid is obtained; sodium fluoroaluminate is taken and is added into the deionized water; heating and stirring are performed; then, organic alcohol amine is added; continuous stirring is performed; then, the setting accelerator mother liquid is dripped; after the dripping is completed, ethylene diamine tetraacetic acid is added; heat insulation stirring is performed;after the materials are cooled to the room temperature, stabilizing agents are added; stirring is performed; the green alkali-free liquid concrete setting accelerator is obtained. The setting accelerator provided by the invention has the advantages of no alkali, non-toxicity, no smell and no corrosion; the environment is protected in the construction process; almost no harm is caused on the body health of construction personnel and ecological environment in the spraying process; the production process is simple; the preparation is easy; the storage is easy; the stability in the storage processis high.

The invention discloses a bio-enzyme modified plant protein base timber adhesive and a preparation method thereof. The preparation method of the plant protein base adhesive is as below: conducting homogenization, pH adjusting, enzymolysis, pH readjusting and anti-corrosion treatment on the components of, by weight, 20-30 parts of biomass containing plant protein, 60-120 parts of water, 0.20-1.50 parts of biological enzyme, 0.3-0.8 part of acid, 0.2-2.0 parts of alkali and 0.24-1.10 parts of a preservative. The adhesive uses renewable material sources, contains no toxic or harmful substance, is green and environment-friendly, has water endurance bonding strength reaching the level of grade II adhesive (indoor), and can be used for manufacturing of various indoor man-made boards. The preparation method of the adhesive reduces the use of chemicals, and has the effects of energy saving and emission reduction; and the adhesive overcomes the problems of harm to the health of producers and users and environment pollution caused by chemicals in ordinary adhesive.

The invention discloses an ore crushing and dust collection device. The right end of a driving motor is rotatably connected with a sleeve shaft. The right end of the sleeve shaft is in sleeved connection with a stepped shaft. The right end of the stepped shaft is fixedly connected with a first lead screw. The first lead screw is connected with a sleeve. The right end of the first lead screw is rotatably connected with a movable plate through a bearing. A guide groove is slidably connected to the upper end of the movable plate. The left and right ends of the lower portion of the movable plate are slidably connected with sleeve plates correspondingly. The two ends of the first lead screw are fixedly connected with semicircular bevel gears correspondingly. Tooth parts of the semicircular bevel gears are engaged with a bevel gear. The bevel gear is fixedly connected with the upper end of a driven shaft. The middle of the driven shaft is rotatably connected with the movable plate through abearing. The ore crushing and dust collection device conducts crushing on ores on the inclined bottom of a device body through a rolling drum. Dust generated in the crushing process is sucked into a dust collection chamber for collection to prevent the situation that flying dust is generated, pollutes the environment and damages health of working staff. Moreover, an arc plate rotates to achieve intermittent discharging to prevent excessive ores at the bottom of the device body from damaging the rolling drum due to excessive working load, and meanwhile, the crushing effect is improved.

The invention discloses a straw ash molded building material free of burning. Mainly prepared from straw ash, cement, gypsum and quicklime, the molded building material contains a potassium salt and / or potassium oxide from straw ash. The preparation method of the molded building material adopts the following raw materials of: 50-70 parts by weight of straw ash, 5-10 parts by weight of cement, 5-15 parts by weight of gypsum, 5-15 parts by weight of quicklime, and 2-5 parts by weight of an accelerating agent. And the preparation process comprises: (1) mixing straw ash, gypsum, quicklime and cement uniformly under room temperature and normal pressure, then adding water accounting for 28-40 wt% of the mixed powder into the powder and conducting stirring till the mixed powder turns into a muddy state, then adding an accelerating agent and mixing them uniformly; and (2) adding the muddy mixture prepared in step (1) into a mold, and carrying out vibration molding under room temperature and normal pressure, then performing demolding and taking out a billet, which is then placed indoors for complete curing under room temperature and normal pressure.

The invention discloses building material cutting equipment with a scrap recovery device, and belongs to the technical field of building material cutting. The building material cutting equipment comprises an equipment support. A cutting platform is arranged at the top of the equipment support. A connecting block is arranged at the left end of the cutting platform. An air cylinder fixing plate is arranged at the right end of the cutting platform. A pneumatic cylinder is arranged at the right side of the top of the cutting platform. A piston rod is arranged at the left end of the pneumatic cylinder. A pushing plate is arranged at the left end of the piston rod. A cutting groove is formed in the middle of the cutting platform. An arc-shaped scrap collecting tank is arranged at the lower end of the cutting groove. A scrap collecting box is arranged at the bottom of the arc-shaped scrap collecting tank. A corrugated pipe is arranged at the tops of stand columns. A suction ventilator is arranged at the other end of the corrugated pipe, and an air outlet pipe is arranged at the air outlet end of the suction ventilator. The top of the air outlet pipe is connected with a dust collecting bag. The building material cutting equipment is simple in structure, cut scraps can be reasonably recovered, and dust caused in cutting can be absorbed and collected.

The invention discloses an oil injection device for a circuit board and an application method thereof. The oil injection device comprises two automatic mechanical oil injection cabinets, a turnover mechanism and sliding rails. The sliding rails includes a first sliding rail, a second sliding rail and a turnover sliding rail, wherein the first sliding rail and the second rail are arranged inside the two automatic mechanical oil injection cabinets, and the overturn sliding rail is separated from the first sliding rail and the second sliding rail. A turnover clamping device for fixing the circuit board is arranged on the turnover sliding rail. A scanner, a programmable main control computer, a spray head, a spray head rail and an oil barrel matched with the spray head are arranged inside each automatic mechanical cabinet. According to the oil injection device for the circuit board, the programmable master control computer controls the spray head to operate so that the oil can be sprayed on the circuit board according to the printing track flexibly and freely, therefore, oil is not wasted, production cost is reduced, and environment is not polluted. A turnover master control computer is used for controlling a turnover motor, the turnover motor drives the turnover sliding rail to turn over by 180 degrees, therefore, the circuit board can be turned over automatically, production efficiency is improved, and the health of operators is prevented from being harmed.

The invention discloses a pattern making device convenient for quick cutting and used for garment production processing, the pattern making device comprises a pedestal, an upper end of the pedestal issymmetrically and fixedly connected with four vertical plates, the upper ends of the four vertical plates are jointly and fixedly connected with a transverse plate, a lower end of the transverse plate is provided with a first groove, an inner wall of the first groove is rotationally connected with a double-headed threaded rod, and a flattening mechanism for flattening a cloth is mounted on the double-headed threaded rod. According to the pattern making device provided by the invention, a sliding block is driven by rotation of the double-headed threaded rod to drive a roller to roll at the upper end of the cloth so as to flatten the cloth, thus, the cloth is prevented from generating wrinkles after being paved for many layers and causing ununiform size of the cut cloth, a motor rotates todrive a negative pressure impeller to rotate quickly, thus, a dust absorption box collects fibers drifting away in a cloth cutting process through a dust absorption tube, and the fibers on the cloth is prevented from massively drifting away in the air, affecting a work environment of workers and harming body health of the workers.

The poison-filter material of the invention includes a substrate and a metal oxide. The substrate includes numerous holes, and the metal oxide is adhered to a surface of the substrate and the holes. The method for producing the poison-filter material of the invention includes the following steps of sonicating and impregnating a substrate into a metallic salt aqueous solution; and calcining the substrate to form a metal oxide on a surface of the substrate and numerous holes of the substrate, such that the poison-filter material is produced. In the invention, the metallic salt aqueous solution is fully oscillated to impregnate the porous substrate, and metal oxide is formed on the surface and holes of the substrate after high-temperature calcination. Therefore, the adsorbent material of the invention can effectively adsorb noxious gas and lower penetrability of noxious gas. During the calcination process, the metallic salt aqueous solution of the invention does not generate harmful volatility solvent such as ammonia. Therefore, the invention can prevent the production process from polluting the environment, harming the health of operator, and reduces the cost for recycling harmful volatility solvents.

The invention discloses engine cylinder body full-automatic vertical electro brush plating equipment with X, Y and Z three-dimensional slide guides to perform accurate positioning, wherein the working procedure and the steps are controlled by a microcomputer procedure. The equipment comprises a 'plating solution providing and recovering system' which automatically injects according to the working procedure and storing in a classifying and recovering way with a solution dividing pan; a 'centered plating head' which is installed on a main spindle box on the Z slide guide, is provided with electrolysis material, and is connected with a sealed chamber; a nonmetal 'insulating platform' with the multifunction of insulating, self-weight multi-position sealing, plating solution collecting and positioning work piece bearing; a cylindrical 'temperature-increasing system' which is hung behind a shield cover for heating cleaning water before and after changing the solution; a 'temperature-reducing system' of a microcomputer and a program control electrical cabinet large-power brush plating electric source; an 'exhausting device' for volatilizing gas of the plating solution; and a 'vertical electro brush plating center' which performs one-off clamp multi-work position electro brush plating repair for worn and broken 'multi-pore workpieces' and can be continuously produced with large power and on a large scale.

A C+N austenitic stainless steel with high mechanical strength and excellent corrosion resistance and a fabrication method thereof are provided. The C+N austenitic stainless steel consists of: 8 to 12 wt. % manganese; 15 to 20 wt. % chromium; 2 wt. % or less nickel; 4 wt. % or less tungsten; 2 wt. % or less molybdenum; 0.6 to 1.0 wt. % of total C+N content; a balance of iron; and unavoidable impurities. The austenitic stainless steel fabricated provides mechanical properties of a tensile strength of 850 MPa or higher and an uniform elongation of 45% or higher, obtained through controlling the contents of the interstitial elements and those of the substitutional elements. The alloy also provides corrosion resistance and a biocompatibility due to the minimized content of nickel which causes allergic reaction to the human body. Therefore, the C+N austenitic stainless steel is applicable in the fabrication of a variety of functional components and structural fields.

The invention discloses a medical instrument cleaning device and relates to the related technical field of medical instruments. The medical instrument cleaning device comprises a shell. The bottom ofthe inner wall of the shell is fixedly connected with a motor. An output shaft of the motor is fixedly connected with a rotary table. One side of the top of the rotary table is fixedly connected witha push rod. The surface of the push rod is movably connected with a grooved pulley. The axis position of the grooved pulley is fixedly connected with a rotating shaft, and the top end of the rotatingshaft is fixedly connected with a supporting plate. The top of the supporting plate is fixedly connected with a cleaning groove, and the two sides of the cleaning groove are both movably connected with fixing devices. The top of the shell is fixedly connected with a lifting device. According to the medical instrument cleaning device, the instruments can be put into the cleaning groove conveniently, the mechanical structure is reasonable, operation is convenient, the mechanical instruments can be repeatedly scrubbed, no manual scrubbing is required, manual labor is reduced, working efficiency is improved and the phenomenon that the medical instruments can harm the good health of patients due to incomplete cleaning is avoided.

The invention aims to provide a mine single-rope hoisting balance wheel brake rope anti-case-crashing device and relates to the technical field of mine safety devices. A hoisting container is connected with another hoisting balance container through more than two brake ropes and more than two corresponding balance wheels; each balance wheel is arranged on a balance wheel axle; the balance wheel axle is arranged on an elastic bearing device through a bearing; the wheel edge of the balance wheel is provided with a friction brake surface; a damper brake is arranged below the balance wheel; and an idle stroke distance exists in the upward direction and the downward direction of the damper brake and the friction brake surface of the balance wheel. The device not only keeps the advantage of the less investment cost of single-rope hoisting, but also has the safety property of multi-rope falling prevention protection, can completely solve the problems that a falling protector cannot be actuated when rope breaking case crashing or rope sliding case crashing happen in a traditional falling protector system, buffer brake force is uncertain, and the buffer brake force is difficult to be accurately calibrated in an use site, and has the advantages of strong safety and reliability and wide application range.

The invention relates to a system comprising a medical gamma probe and a control device, which is configured for acquisition of user input for gamma probe operation, and for signal evaluation, including optional signal output in conjunction with measured signals detected by the gamma probe, wherein the medical gamma probe has a probe-side transceiver apparatus and the control device has a control device-side transceiver apparatus, between which transceiver apparatuses a wireless signal transmission connection in the form of a bidirectional radio link is formed.

The invention provides a cooking utensil, a soybean milk making method, a computer device and a computer readable storage medium. The cooking utensil comprises a shell, a grinding device in the shell,a spraying device in the shell and a heating device in the shell, wherein the spraying device is located above the grinding device and provided with a water spraying opening; the heating device is located below the grinding device. According to the cooking utensil, the spraying device sprays water into the grinding device through the water spraying opening to make food materials wetted, and the heating device is used for heating the wetted food materials in the grinding device to generate wet hot steam for enzyme deactivation treatment of the food materials, so that the enzyme deactivation speed is increased, the cooking time is shortened, the application range of the cooking utensil is enlarged, and the use satisfaction degree of users is improved.

Environment-friendly printing equipment comprises a shell, a conveying belt, an ink supply assembly, an ink storage box, a heating box, a collecting box and an air inlet cylinder. A dust collector isarranged on the shell; a printing bin and a drying bin are arranged in the shell. The conveying belt penetrates through the shell; and a printing assembly used for printing paper on the conveying beltis arranged over a supporting plate in the printing bin. The printing assembly is matched with the ink supply assembly; the ink supply assembly is connected with the ink storage box through an ink supply pipe. The heating box is arranged in the drying bin, an electric heating pipe is arranged in the heating box, hot air outlets are evenly formed in the end face, facing the conveying belt, of theheating box, and the heating box is communicated with the printing bin through a first air extractor; water is stored in the collecting box, a first air inlet hole and an exhaust hole communicated with the atmosphere are formed in the collecting box, and a second filter plate and an activated carbon adsorption plate on which water-absorbing resin particles are laid are arranged in the collecting box; and the air inlet cylinder is communicated with the second air extractor. Harmful gas generated during paper printing and drying can be effectively absorbed and purified.

The invention discloses an NIR (Near Infrared Ray) spectral analysis model and method for identifying excessive content of cadmium in rice. The analysis model is established by the following steps: selecting a sample and judging qualified rice, acquiring sample spectral data, processing the sample spectral data, screening the sample spectral data, establishing a preliminary analysis model, identifying the preliminary analysis model and the like, so that the NIR spectral analysis model which is used for identifying the excessive content of cadmium in the rice is determined. The invention further discloses a method for identifying the excessive content of cadmium in the rice by using the NIR spectral analysis model. A near infrared ray spectrum of the rice sample is acquired on the basis that the excessive content of cadmium in a lot of the rice samples is identified by adopting a chemical method; the NIR analysis model which is used for identifying the excessive content of cadmium in the rice by combining a main component analysis and judging method based on a near infrared ray spectrum technology and a chemometrics method. The accuracy is up to more than 95.2%; the NIR spectral analysis model has the advantages of simplicity in operation, rapidness in detection, safety and environmental friendliness, high detection precision and the like.

The invention relates to an environment-friendly grain vibration cleaning screen which comprises a vibrating screen, wherein a feeding port is formed in the top of the vibrating screen; a dust collecting cover is arranged on one side of the feeding port; a dust collecting pipe is arranged at the top of the dust collecting cover; a fan is arranged at one end of the dust collecting pipe; an air exhaust pipe is arranged on one side of the fan; a dust removing box is arranged at one end of the air exhaust pipe; a water pump is arranged at the top of the dust removing box; and a water suction pipeis arranged on one side of the water pump. The environment-friendly grain vibration cleaning screen provided by the invention has the advantages of simple structure and convenient operation, can suckand discharge dust generated in a process of screening out grain impurities, avoids that the dust is mixed into grains to affect quality of the grains or rises up through the air to pollute the environment and damage health of staffs, can exhaust the dust-containing air by a watering purification fan, filters the dust, avoids direct discharge into the air to cause serious air pollution, recycles water after filtering the dust to save resources, and can collect screened stones and dust to avoid falling or flying to affect environmental sanitation.

The invention discloses hardware building material grinding equipment with an automatic dust removal function. The hardware building material grinding equipment with the automatic dust removal function comprises vertical rods, a base, wheel and a door body; a dust collection tank is installed at the top end of the base; a control panel is installed in the middle position of one side of the dust collection tank; the vertical rods are installed at the two ends of the top of the base; a transverse rod is installed at the top ends of the vertical rods transversely; electromagnetic sliding rails are arranged at the two ends of the transverse rod; a second hydraulic telescopic rod is installed on the electromagnetic sliding rails through sliding blocks; a second shell is installed at the outputend of the second hydraulic telescopic rod; a second motor is installed inside the second shell; and the output end of the second motor is provided with a rotary shaft. According to the hardware building material grinding equipment with the automatic dust removal function, by means of the dust collection tank and dust collectors installed at the two ends of the top of the dust collection tank, dust generated in the grinding process of the equipment can be conveniently collected, and the situation that dust rises to pollute the environment and threaten physical health of workers is avoided.

The invention provides a recovering and treating method for waste plastic film shopping bags and an electric heating regeneration pot thereof, and solves the problem that the recovery and the treatment of waste plastic film shopping bags in the prior art are not thorough, which easily causes white pollution. The recovering and treating method for the waste plastic film shopping bags comprises the following steps: firstly, selecting and cleaning the waste plastic film shopping bags; secondly, hot-melting and agglomerating the plastic film shopping bags; thirdly, recovering. The electric heating regeneration pot comprises a pot body and a melting tank arranged on the pot body, a melting tank cover is installed on the melting tank, heating pieces are arranged at the lower part inside the pot body, and are connected with a control circuit which can realize constant temperature control. The recovering and treating method and the electric heating regeneration pot have the advantages that not only environmental pollution can be effectively governed, but also the waste plastic shopping bags and the ultra-thin plastic shopping bags can be changed into valuables; therefore, new social benefit and environmental protection benefit can be generated; moreover, the investment cost of the method is low, and construction cycle is not required, so that the method and the pot are suitable for being adopted in all households.