45results about How to "Avoid production safety hazards" patented technology

The invention discloses a tobacco dryer and a tobacco drying room. The tobacco dryer comprises a case shell, a compressor, a mixing condenser, an evaporator and a throttling device. The compressor, the mixing condenser, the evaporator and the throttling device are arranged in the case shell and communicated through a pipe to form a circulation system. The evaporator is arranged towards the outside of the tobacco drying room, and an evaporator heat-exchange fan is arranged on the evaporator. The mixing condenser is arranged towards the inside of the tobacco drying room, and a drying circulation heat-exchange fan is arranged on the mixing condenser. A traditional coal fuel heating type tobacco heating energy consumption mode is changed, the effects of energy conservation and emission reduction and reduction of environmental pollution can be achieved, potential production safety hazards in the traditional coal fuel heating type drying mode are avoided, precise control over the temperature and humidity in the tobacco drying room can be achieved, the influence on tobacco quality due to loss of essence during tobacco drying caused by exhaust and dehumidification is prevented, and accordingly quality of finished tobacco is guaranteed.

The invention discloses a fluorine-containing surfactant without perfluorooctanoic acid and its preparation method and process system. A repeating structural unit with a carboxyl group or a carboxylate at one end formed by one or more combinations of radicals and oxygen perfluorovinyl groups. The fluorine-containing surfactants involved in the present invention have a C-O-C ether bond structure Fluoropolymer is the main structure. It can be seen from the indicators that this fluorosurfactant does not contain perfluorooctanoic acid and its salts with an 8-carbon linear structure. It is easily decomposed in nature and has been proven to be harmless to the human body. , the peroxide value satisfies 0.001-1%, the surface tension satisfies 10-30mN / m, and has the amphiphilic structure of surfactant.

The invention provides a punch forming steel plate mold. The punch forming steel plate mold comprises an upper mold plate, a female mold, a male mold, a lower mold plate, a base, a material supporting plate, a spring and a driving block; the lower end of the base is fixed to the lower mold plate; the material supporting plate is movably arranged at the upper end of the base, the spring is arranged between the material supporting plate and the base, the upper end of the driving block is fixed to the upper mold plate, and the lower end of the driving block is movably matched with the material supporting plate in an inserted manner; by means of the technical scheme, through application of positioning a material supporting portion in a mold structure, two functions of product material supporting and positioning are effectively achieved at the same time, and the problems that before part forming, the gravity center of a product inclines, product containing is unstable, and positioning is unstable, and consequently, product precision consistency is poor are solved; the problem of production potential safety hazards existing in manual material supporting is solved, and meanwhile the production efficiency is improved; in addition, the structure is simple, and implementation is facilitated.

The invention relates to a preparation process and a preparation device of vitamin D3 microcapsule powder. In the preparation process, VD3 oil, sunflower seed oil or corn oil, medicinal starch, maltodextrin, modified starch, white sugar, calcium phosphate and 2,6-di-t-buty-4-methylphenol (BHT) are used as main raw materials. The preparation process and the preparation device are reasonably improved and optimized, the production time is greatly shortened and the whole production process is controlled; through layer-by-layer drying and step-by-step recycling, the prepared vitamin D3 microcapsule powder has smooth and flat surface, and the safety, the fluidity, the mouth feel and the water solubility of the vitamin D3 microcapsule powder are greatly improved; the waste of resources is reduced, the continuous large-scale production is implemented, and the production cost is reduced.

Disclosed are a fully mechanized mining face scraper conveyer chain state detection device and method. The detection device comprises a magnetic field generation device and a magnetic field detection device, wherein the magnetic field generation device comprises an adjustable direct-current source (1) and a multi-ring coil (2), the magnetic field detection device comprises a detection probe (3), a polarizer (4), an optical fiber circulator (5), a broadband light source (6), and a photoelectric detector (7), the detection probe (3) comprises a reflection mirror (31), a magnetic induction loop (32), and a magneto-optic crystal (33), and the detection probe (3) is close to a chain (8) by means of adjusting a support to achieve online detection. With the detection device and method, online detection of the chain (8) can be achieved, safe and stable running of a scraper conveyer is ensured, and the potential safety hazards of coalmine production are avoided.

The invention provides a mold pouring equipment and method capable of realizing three-dimensional patterns, including a feeding system and a molding system; the feeding system includes a locking mechanism, and the molding system includes a theme frame, and the locking mechanism is fixed on the The inside of the main body frame; the locking mechanism includes a pressurized extrusion port, a core, a locking clip, an electric cylinder, a locking pin, a contact sensor and a guide pin, and the pressurized extrusion port is fixedly connected to the front of the locking mechanism, The core is fixed with the pressurized extrusion port, and the locking clip and the locking mechanism are fixed by the two ends of the electric cylinder; the present invention provides a mold that can realize 3D patterns of products, and the device is aimed at IML&IMR and Ordinary printing has low qualified rate, high production cost, and hidden dangers in production safety. The invention can realize injection molding on the same machine without post-printing process, effectively control the product appearance and realize a beautiful product appearance.

The invention discloses an automatic pipeline cutting machine for electrical equipment, and relates to the technical field of electrical equipment. The automatic pipeline cutting machine comprises a box body. The bottom of the inner wall of the box body is fixedly connected with a first motor. The surface of an output shaft of the first motor is sleeved with a first belt wheel. The left side of the bottom of the inner wall of the box body is rotationally connected with a rotary rod through a connecting rod. The surface of the rotary rod is sleeved with a second belt wheel. The surface of the second belt wheel is in transmission connection with the surface of the first belt wheel through a belt. A rotating rod is fixedly connected to the surface of the axis of the back face of the second belt wheel. The end, away from the second belt wheel, of the rotary rod is in sliding connection with a transmission device. According to the automatic pipeline cutting machine for the electrical equipment, a pipeline is pushed automatically, workers are prevented from doing manual pushing, production potential safety hazards caused by manual cutting are avoided, the efficiency of cutting the pipeline is greatly improved, and the overall pipeline machining efficiency is improved.

The invention relates to a corona device for pre-printing treatment of a plane stamping machine, in particular to a corona device for a plane stamping machine. The present invention is a device that integrates signal acquisition, feedback and corona treatment, and aims to provide a pre-press surface technology that has poor controllability in the corona range and potential safety hazards in the existing pre-press surface technology that uses flame treatment. The corona device of the flat stamping machine with more uniform treatment, better effect and better adhesion of printing ink.

An automatic delay element discharging device comprises a bottom support, a hopper and a discharging assembly. The discharging assembly comprises a round hopper used for receiving delay elements discharged from the hopper, a leaking plate with holes A is arranged at the bottom of the round hopper, and each hole A is connected with a discharging passing pipe. A bottom plate of the bottom support is provided with holes B which correspond to holes in a circulation mold and are used for passing of the delay elements, each hole B is connected with a lower connecting pipe, each lower connecting pipe corresponds to one discharging passing pipe, and an elastic hose is connected between each lower connecting pipe and the corresponding discharging passing pipe. A vibrating device is arranged beside the round hopper and / or the lower connecting pipes. A delay element pre-filling automatic mold splitting machine comprises a mold feeding mechanism, the automatic delay element discharging device, a pressing-correcting device, a circulating assembly and a mold ejecting mechanism. According to the delay element pre-filling automatic mold splitting machine, series of continuous actions such as mold feeding, automatic discharging, automatic pressing-correcting and automatic circulating and demolding can be achieved for the delay elements, so that labor intensity and production cost are lowered, intrinsic safety and labor productivity in the production process are improved.

The invention discloses a material boiling device for a bamboo bone of a folding fan and a boiling technique thereof, and belongs to the field of mechanical automation equipment. The material boiling device is characterized by comprising a bamboo bone conveying device, a bamboo bone fixing device and a branch knot removing linear cutting tool. Because of the growth characteristic of bamboos, branch knots only grow in the positions of bamboo knots. By the adoption of the device, the middle of the bamboo bone can be clamped, and then the branch knots at the two ends of the bamboo bone are treated through rotation of the bamboo bone by a reversing motor. The technique is simple, and processing reliability and precision are both excellent.

The invention relates to a method for carrying out metal-enzyme co-catalysis on lonicera japonica leaves to produce ethyl alcohol and simultaneously extracting chlorogenic acid, and belongs to the technical field of production of biomass ethyl alcohol and chlorogenic acid series products. According to the method, solid wastes of the lonicera japonica leaves are used as raw materials; prepared manganese zinc ferrite is an enzyme activator; the products are obtained by a process of preparing a metal activator, culturing yeast liquid, pre-treating the raw materials, carrying out co-catalytic simultaneous glycolysis and carrying out analysis detection of the chlorogenic acid and the ethyl alcohol. The method has the characteristics that the raw materials are cheap, easy to obtain and wide in source; diversified products with complete biological activities can be obtained, and biomass resources are sufficiently utilized; energy consumption in the production process is low, corrosion to production equipment is low, and the method is beneficial to environmental protection. The method can be widely applied to simultaneous production of the ethyl alcohol by three processes of catalysis, saccharification and fermentation of biomass and extraction of natural products, such as the chlorogenic acid, neochlorogenic acid, cryptochlorogenic acid and the like, from the solid wastes of the lonicera japonica leaves, and effectively implements resource re-utilization of the lonicera japonica leaves.

The invention belongs to the technical field of cargo lifting assembly accessories, and particularly discloses an improved stainless steel hanger rail tackle. The improved stainless steel hanger rail tackle is composed of a supporting plate body, a first lug plate, a second lug plate, a set of first positioning holes, a set of second positioning hole, an adjusting supporting assembly, a first sliding assembly and a second sliding assembly. The stainless steel hanger rail tackle has the beneficial effects that the overall stainless steel structural design is reasonable, the tenacity is high, and the corrosion resistance and abrasive resistance are excellent; by means of the first sliding assembly and the second sliding assembly, the overall structure running stability and efficiency are guaranteed; by means of the adjusting supporting assembly, the conveying stability of hoisted cargoes or products is guaranteed, and the existing production potential safety hazards are avoided; and through the structures of a first arc-shaped limiting plate and a second arc-shaped limiting plate on the two sides, it is guaranteed that collision hidden danger of external components on the hanger rail tackle is avoided in the conveying operation, and the service life of the overall structure is prolonged.