989results about How to "Eco-friendly" patented technology

The invention relates to a lightningproof device, in particular to a puffer arc quenching lightningproof clearance device used in varies voltage grades transmission lines. The puffer arc quenching lightningproof clearance device comprises a conductor connection body, an earthing connection body, a gas generation device, a signal acquisition device, a high-voltage electrode, an earthing electrode, etc. The gas generation device is arranged near an electrode gap formed between the high-voltage electrode and the earthing electrode. The signal acquisition device generates signal after the generation of the arc. The gas generation device is started and therefore generates the airflow capable of blowing out the arc. The invention has the following benefit effects: the device features wide application, light weight, convenient transportation, assembly and disassembly, re-use, lower operation cost as well as environment protection; the device is fast in action, which is able to extinguish the arc quickly and enhance the success rate of recloser; the device is capable of decreasing the trip rate of the transmission line, and protect power facilities, thus being good for the power safety production and improving the power grid reliability.

The invention discloses a salt-containing high concentrated organic wastewater treatment device and method in technical field of wastewater treatment. The high concentrated organic wastewater treatment device comprises a separation precipitation tank, an inner cavity of the separation sedimentation tank is provided with a precipitation auxiliary component, the left and right inner walls of an evaporation tank component are symmetrically provided with heating radiant tubes, the other end of a condenser pipe penetrates through the right side at the bottom of the condensing tank and is connectedwith a central part of the top of a neutralization filtration tank, the top of the inner chamber of the neutralization filtration tank is provided with a mixing box, and the inner chamber of the neutralization filtration tank is provided with an activated carbon filter net obliquely; the treatment device has a good treatment effect and high purification quality; the wastewater is placed in the separation precipitation tank for precipitation, the precipitated wastewater enters the evaporation tank component and is heated at a high temperature by the heating radiant tubes to complete the sewageand salt separation, the water vapor passes through the condensing tank, the condenser pipe and the ice bag cooperate with each other, so that the steam is cooled to form water and then enters the mixing box, then the rotating rod is driven by the stirring motor to perform neutralization stirring, and finally the wastewater is filtered.

The invention discloses a stripping treatment method for dyed textiles. The method comprises the following steps: using nanometer material as a catalyst, treating the dyed textiles, in particular to defective dyed products, under ultraviolet light in oxygen at 10-100 DEG C so as to reach different required dye effects and repair or redye the textiles; and meanwhile, adding an accelerant to a stripping bath to accelerate or enhance the dye effect. The method adopts strong oxidative free radicals, and the like generated by nanometer material photocatalysis as stripping agents, can obtain satisfactory stripping effect under normal temperature and normal pressure, avoids using a great amount of reducing agents, oxidants, and the like as in a traditional stripping method and can repeatedly usethe nanometer material stripping bath. The stripping technology has clean process, no pollutant generation, good environmental-protection ecological property, simple equipment and process, short flows, high efficiency, energy reduction and consumption and emission reduction.

The invention discloses a deep purification and reclaiming device and method for dyeing waste water, wherein the device comprises a regulating reservoir, an naerobic tank, an aerobic aeration tank, a sedimentation tank, a chlorine peroxide oxidation tank, a medicament administration and coagulation tank, a biologically active charcoal tank and a fiber ball filter. The waste water treatment method integrates a biochemical treatment process and a physical-chemical treatment method.

The invention relates to a lightning protection device for electric equipment, in particular to a gas arc extinguishing device for electric equipment of various voltage levels. The gas arc extinguishing device for electric power equipment includes a grounding gap, a high voltage gap, a lightning signal detector, a signal transmission circuit, an arc extinguishing gas pill shell, an arc extinguishing gas pill and other components. The arc extinguishing gas pill and the arc extinguishing gas pill shell are installed near the high voltage gap or the ground gap. The lightning signal detector generates a trigger signal after the lightning current passes, and transmits the trigger signal to the arc extinguishing gas pill through the signal transmission circuit and the metal electrode sheet of the arc extinguishing gas pill, and the arc extinguishing gas pill generates an air flow sufficient to blow out the arc. The number of arc extinguishing gas pills determines the number of actions of the gas arc extinguishing device. The invention can quickly extinguish the electric arc, improve the success rate of reclosing, and is beneficial to improve the reliability of lightning protection of electric equipment.

The invention discloses synthesis of a novel phosphorus-silicon synergistic flame retardant applied to polyester. The synthesis is characterized in that: the novel phosphorus-silicon synergistic flame retardant, i.e., [(6-oxo-6-hydro-dibenzo-(c,e)(1,2)-oxaphosphorinane -6-ketone)-ethyl]-siloxane (DOPO-Si), which has high flame resistance and molten drip resistance is synthesized from DOPO and siloxane serving as raw materials. The synthesized phosphorus-silicon synergistic flame retardant has the advantages of stable chemical property, good flame retardancy effect, simpler and more convenient synthesis method, higher economic efficiency and better market prospect.

The invention relates to a novel phase change and heat insulation composite wall structure, which is applied to the heat insulation of a wall and mainly comprises a heat insulation layer, a figurate phase change layer and a wall base body to form an integrative composite structure. The heat transmission resistance of the composite wall structure can be evaluated according to the material and the thickness of the wall base body so as to figure out the material thickness of the heat insulation layer and ensure that the heat transmission resistance of the wall base body is equal to that of the heat insulation layer, so that the despicking delay effect of the phase change layer to the temperature variation is improved to the utmost extent. The composite wall structure gives full play to the heat insulation effect of the heat insulation layer and the heat storage and temperature regulation effect of the phase change layer to improve the thermal inertia of the wall body greatly. The composite wall structure has stable performance and is convenient in construction and energy-saving reconstruction of old buildings to achieve the effects of high efficiency and environmental protection.

The invention relates to an iron core tailing curing agent, an iron core all-tailing cementing composition containing the iron core tailing curing agent and an application of the iron core all-tailing cementing composition to a gob of a mine and belongs to the technical field of underground mining of metals and nonmetals. The tailing curing agent comprises the following components in parts by weight: 0.4-0.6 part of ground water-granulated blast furnace slag, 0.2-0.3 part of red mud, 0.2-0.4 part of active mineral admixture, 0.03-0.05 part of activity activator and 0.03-0.1 part of hydroxides of alkali metals or hydroxides of alkaline-earth metals. The iron core tailing curing agent provided by the embodiment of the invention is a high-efficiency novel environment-friendly cementing material with low cost and high early strength, can be used for realizing fast filling and fast curing of the gob, can be widely applied to the field of geotechnical engineering, such as mine mining and foundation treatment and has a very wide market prospect.

The invention belongs to the technical field of materials for asphalt pavements, and particularly relates to SBS-rubber powder composite modified asphalt and a preparation method thereof. The SBS-rubber powder composite modified asphalt is prepared from, by mass, 15-21 parts of waste rubber powder, 2-3 parts of SBS modifying agents, 0.2-0.4 part of stabilizing agents, 0.03-0.04 part of activating agents and 75-82 parts of asphalt. The preparation method of the asphalt comprises the steps that the matrix asphalt is preheated to 180 DEG C, the SBS modifying agents are added into the hot asphalt, high-speed shearing dispersion is performed for 20 min, then the activating agents, the rubber powder and the stabilizing agents are added, and high-speed shearing dispersion is performed on the temperature condition of 185 DEG C for 2 h. According to the SBS-rubber powder composite modified asphalt, a pavement paved with SBS-rubber powder composite modified asphalt mixtures has the advantages of being stable, comfort, low in noise and the like, the quality of the pavement can be obviously improved, the service life of the pavement can be prolonged, use is convenient, price is low, the properties are stable, and not only can the anti-rutting performance of the asphalt mixtures be improved, but also the obvious effects on improving the low-temperature crack resistance, water stability and fatigue resistance of the asphalt mixtures can be achieved.

The invention relates to a method for grading and utilizing waste material of sandstone system production, including the following steps: 1) sieving and washing are carried out; 2) slurry obtained by sieving is subject to separation of fine sand powder and slurry by virtue of a hydrocyclone grading device; 3) the fine sand powder is subject to high frequency sieving and dewatering, and the slurry is placed into a setting device, so as to further separate water and concentrated slurry; 4) water is returned to the washing step, and the concentrated slurry is subject to filter pressing or filtering and then is delivered to a waste material stock yard. In the method for grading and utilizing waste material of sandstone system production provided by the invention, a hydrocyclone grading device is added in slurry sand grading production process to separate fine sand powder and slurry, and a high frequency sieving dewater procedure is adopted, recycling of fine sand powder from slurry is realized, by adopting the method of the invention, more than 90% of useful material can be recycled from slurry, and more than 70% of recycling can be realized after waste water is purified.

The invention provides a heat regeneration method for waste rubber. The method comprises the following steps of: feeding a waste rubber crude powder material / environmentally-friendly softening agent / powder auxiliary material in the weight ratio of 100 / 8-150 / 20-1,500 into a stirring heater, performing anoxybiotic heating, introducing into a stirring cooler and cooling to the temperature of less than 100 DEG C so as to obtain a product; or partially or completely extracting the powder auxiliary material in the fed materials for slow feeding, adding the extracted powder auxiliary material into the stirring heater before the materials which are put into the stirring heater at an early stage are discharged, or / and adding the extracted powder auxiliary material when a hot material is introduced into the stirring cooler, cooling the mixture to the temperature of less than 100 DEG C and discharging; or initially mixing the materials in a formula, guiding the mixture into a screw extruder, allowing the mixture to pass through a heating section and a mixing section, cooling the material to the temperature of less than 100 DEG C and discharging a product; or performing thermal cracking on all-known waste rubber through heat regeneration or establishing a multi-direction migration relation for a material or / and energy in the process of preparing carbon black from fuel oil and fuel gas.

The invention provides a method for preparing flexible transparent nano paper by utilizing bamboo fibers. The flexible transparent nano paper is prepared by using the bamboo fibers as raw materials and carrying out five treatment processes including swelling and degumming, delignification, bleaching treatment, nano fibrillation treatment and paper forming. The method has the advantages that a film is formed by adopting high-pressure filtration, the process is simple, and the film thickness is controllable; the prepared transparent nano paper has the characteristics of micropore structure, large specific surface area, transparency and flexibility; the transparent nano paper has good application prospects in the fields such as thin film solar batteries, super-capacitors, lithium-ion battery separators, catalytic carriers, environmental management, antistatic electricity and the like.

The invention discloses a pig manure cleaning device for a pig farm. The pig manure cleaning device comprises a base, a shell and a mixing chamber, wherein a drying chamber is mounted in the shell; an electric heating layer is mounted on an inner wall of the drying chamber; a conveyor group is mounted in the drying chamber; the mixing chamber is mounted above the shell; a manure inlet and a mixing motor are mounted at the top of the mixing chamber; a rotating shaft is mounted in an inner barrel through a rotating bearing; mixing blades are mounted on the rotating shaft; the top end of a supporting rod is connected with a conveyor rolling shaft at one end of a conveyor belt; a fixed bracket is fixed at one side, far away from an antiskid handle, of the shell; a manure collecting groove is arranged below a connecting part of the conveyor belt and the fixed bracket; a roller manure scraper is mounted at one end, far away from the shell, of the fixed bracket; and an arc manure shovel is mounted below the roller manure scraper. The pig manure cleaning device disclosed by the invention breaks the traditional manual pig manure cleaning mode, and really realizes the efficiency, practicability, convenience, manpower economization, and environmental protection.

The invention provides a smelting waste slag light composite artificial stone which comprises a main body material prepared from structural slurry. The structural slurry comprises a base material, a cementing agent, water, a polymeric additive, an alkaline excitant and a foamer aqueous solution or a foam material. A production method of the smelting waste slag light composite artificial stone comprises the following steps: by pre-treating the smelting waste slag which is used as part of cementing agent and base material, introducing the foamer aqueous solution or the foam material; stirring the components; and casting and carrying out vibration molding in a die. The stone provided by the invention is scientific in formula and reasonable in process and has ecological environmental protection property, high mechanical strength, low cost and excellent operating performance. The self weight of the smelting waste slag light composite artificial stone is reduced, and the heat preserving and insulating properties and the soundproof, fireproof and saltpetering-preventing properties of the smelting waste slag light composite artificial stone are improved. The stone has extremely strong durability and color stability in various severe conditions.

The invention relates to a rapid plugging device of a dewatering well with a deep foundation, which comprises a plugging sleeve, a plugging cover base, a plugging cover, an external water stopping ring, an inner water stopping ring and a water stopping plate, wherein the plugging cover base is a ring base connected and vertically fixed with the lower part of the inner wall of the plugging sleeve, more than three bolts are welded on the circumference in equal parts of plugging cover base, the plugging cover is provided with bolt holes relative to the bolts of the plugging cover base, the inner and external water stopping rings are vertically fixed and connected to the inner and outer walls of the plugging sleeve, the water stopping plate and the inner water stopping ring are connected through welding or flange. The device has simple structure, low process cost, convenient use and wide adaptability, and uses unified construction method to replace each plugging process, has rapid plugging, low cost, no construction risk and dangers, avoids the limitless underground water pumping, and protects the environment.

The invention relates to an optical film, and particularly relates to a quantum dot wide-color-gamut polyester film for a backlight module. The quantum dot wide-color-gamut polyester film for the backlight module is provided by the invention in order to solve a problem that an existing liquid crystal display is low in color gamut range. The polyester film comprises a base layer, wherein both sides of the base layer are provided with a barrier layer; the base layer comprises a quantum dot layer and an anti-sticking layer, and the anti-sticking layer is located at two sides of the quantum dot layer; and the base layer is of an ABA three-layer co-extrusion structure, the A-layer is the anti-sticking layer, and the B-layer is the quantum dot layer. The quantum dot layer comprises the following components in raw material: 50-90% of a super bright polyester chip and 10-50% of a quantum dot master batch. The anti-sticking layer comprises the following components: 80-90% of the super bright polyester chip and 10-20% of an anti-sticking master batch. The percentage is a percentage by weight. The brightness enhancement film or the diffusion film is prepared at the surface of the polyester film. The prepared brightness enhancement film or the diffusion film can enable a backlight source to have high brightness and a high NTSC value.

The invention discloses a full effect negative ion interior wall paint, comprising the following raw materials according to parts by weight: 100 to 500 parts of water, 0.05 to 25 parts of composite nano sterilizing powder, 1 to 2 parts of preservative, 1.5 to 4.5 parts of droxyethylcellulose, 1 to 2 parts of pH modifier, 2 to 5 parts of dispersant A, 1 to 3 parts of dispersant B, 15 to 35 parts of glycol, 1 to 2 parts of wetting dispersant, 1 to 3 parts of antifoaming agent A, 2 to 3 parts of antifoaming agent B, 40 to 70 parts of French chalk, 30 to 150 parts of heavy calcium carbonate, 2 to 7 parts of film forming agent, 4 to 6 parts of thickening agent A, 40 to 240 parts of titanium dioxide; one or more of light calcium carbonate, acetic acid emulsion, styrene-acrylic emulsion, Lithopone, calcined kaolin, elastic emulsion, rheology modifier are added to the mixture to obtain various full effect negative ion interior wall paint which can be widely applied to interior walls in dwelling houses and hospitals; the full effect negative ion interior wall paint in the invention has no toxicity, no smell, and has strong sterilization and antimeldow effects.

The invention discloses a strain of brevibacillus laterosporus SNB10 for inhibiting riziocotinia solani. The brevibacillus laterosporus SNB10 was preserved in China General Microbiological Culture Collection Center on May 17, 2017, and the preservation number is 14171. The brevibacillus laterosporus SNB10 has the following characteristics of high inhibition effect on the riziocotinia solani and good prevention and treatment effect on rice sheath blight when being prepared into a biocontrol aqueous solution. The brevibacillus laterosporus SNB10 can produce chitinase, is wide in antibacterial spectrum, and has a certain inhibition effect on various plant pathogenic fungi and pathogenic bacteria. The brevibacillus laterosporus SNB10 does not have toxicity and pathogenicity, is safe for human and livestock, environmentally friendly, high in stress resistance and stable and durable in bacteriostatic activity, and has potential application prospect. The brevibacillus laterosporus SNB10 provides a microbial strain and a pesticide product thereof, wherein the microbial strain is non-toxic for human and livestock and friendly for the ecological environment, and has a good effect of preventing the rice sheath blight.

The invention relates to a sauce brewed by concentrated solution obtained by purifying waste cooked sea cucumber liquid, and a brewing method of the sauce. The invention relates to the manufacturing field of the sauce. The sea cucumber sauce comprises the concentrated solution obtained by purifying the waste cooked sea cucumber liquid, laver, kelp, selected soybeans, peanuts, wheat or flour, natural flavor, table salt and caramel. The proportion of the basic formulation comprises 5% of concentrated solution obtained by purifying the waste cooked sea cucumber liquid, 80% of soybeans, 4% of peanuts, 10% of wheat or flour, 180 Be of table salt water as well as right amount of natural flavor and caramel. The high-quality seasoning-sea cucumber sauce which is rich in active ingredients including sea cucumber polysaccharide and saponin, full of nutriments and delicious in taste can be brewed by utilizing the concentrated solution which is extracted from the waste cooked sea cucumber liquid in the sea cucumber processing production and is rich in immuno-regulators such as the sea cucumber polysaccharide, the sea cucumber saponin and the like, matching the concentrated solution with raw materials including the soybeans, the peanuts and the like and applying multiple strains and the scientific brewing method.

The present invention discloses a modified waste oil coating material and an application of the modified waste oil coating material in coating slow / controlled release fertilizers. The modified waste oil coating material comprises, by mass, 30-70% of waste oil, 20-65% of acrylic acid hydroxy ester, 0.5-5% of a catalyst, 0.1-1% of a polymerization inhibitor, and 1-5% of a cross-linking agent, wherein the modified waste oil coating material is sprayed on the granular fertilizer surface, and heating curing is performed to obtain the coating slow / controlled release fertilizer. According to the present invention, the modified waste oil coating material has characteristics of biodegradability, wide raw material source, waste resource reutilization promotion, and reduction of harm on the environment and the human body; the preparation process has characteristics of simpleness, no organic solvent, no water, and meeting of requirements of low carbon, environmental protection and energy source saving; and application of the modified waste oil coating material to prepare the coating slow / controlled release fertilizer has characteristics of low cost, simple process, no solvent recovery equipment, no other equipment, less investment, continuous production, and strong industrialization feasibility.

The invention provides a broad-spectrum high-efficiency antibacterial nano iron sulfide mixture capable of inhibiting and killing multiple bacteria and fungi as well as a preparation method and application of the nano iron sulfide mixture. The preparation method of the antibacterial nano iron sulfide mixture comprises the following steps: adding a sulfur source in the process of preparing nano ferroferric oxide particles by a solvothermal method, wherein the step of preparing the nano ferroferric oxide particles by a hydrothermal method or the solvothermal method comprises a sub-step of utilizing an iron source, an aqueous or non-aqueous solvent and an alkaline solution as a reactant. The nano iron sulfide mixture disclosed by the invention is excellent in dispersion property, easy to prepare, easy in magnetic separation, stable in performance, excellent in biocompatibility and long in antibacterial effect period, is harmless to the human body during conventional use, environment-friendly, eco-friendly, easy to control and low in price, and thus is a high-efficiency low-degree broad-spectrum antibacterial material.

The invention relates to gluing equipment, in particular to roof grass gluing equipment. The technical problem to be solved by the invention is to provide the roof grass gluing equipment with high use efficiency, conservation and environmental protection. In order to solve the technical problem, the invention provides the roof grass gluing equipment. The roof grass gluing equipment comprises a box body, a servo motor, a left bearing base, a second slide block, a mounting plate, a nozzle, a first hose, a connecting rod, a first one-way valve, a nut, a second one-way valve and the like; the servo motor, the left bearing base and the right bearing base are arranged at the top in a mounting frame in sequence from left to right through a bolt connecting mode; and bearings in the left bearing base and the right bearing base are connected with lead screws through an interference connecting mode. The roof grass gluing equipment uses clockwise and anticlockwise alternating work of the servo motor for driving rotation of a first bevel gear and a second bevel gear to drive left-right movement of a rack so as to obtain glue; and finally, the glue is sprayed out.

The invention discloses a device and a method for controlling the liquid level of a liquid electroslag continuous casting slag pool and belongs to the technical field of metal electroslag remelting. The device comprises an AC power supply, a heavy-current water cooled cable, a heavy-current detection element, an upper crystallizer, a lower crystallizer, an insulating layer, a supporting platform, a supporting upright post, a dummy ingot conducting bottom water tank, a stripping platform, a stripping motor and a controller. The control method for the device comprises the following steps of: 1, acquiring a current change value; 2, transmitting the current change value serving as a negative feedback signal into the controller; and 3, using the preset current as a positive signal by the controller, and instantaneously adjusting the upper and lower positions of the stripping platform through the stripping motor by using the positive signal and the negative feedback signal so as to make the current in a power supply loop equal to the set current value in the controller. The device and the method have the advantages of capacities of timely and accurately reflecting the change condition of molten steel liquid level and accurately controlling the liquid level position of the slag pool, simple and direct control process, and environmental protection and low maintenance cost of the whole device.

The invention relates to an ecological antibacterial high-sensitivity polyester fiber and a method for producing the same. The method includes particular steps of (1), preparing ecological antibacterial high-sensitivity master batch from efficient antibacterial agents, modified bamboo charcoal powder and polyethylene glycol by the aid of double-screw melt blending extrusion processes; (2), preparing ecological antibacterial high-sensitivity polyester fibers, to be more specific, spinning and extruding conventional polyester chips by the ecological antibacterial high-sensitivity master batch prepared at the step (1) by the aid of melt blending spinning processes via spinning assemblies, cooling virgin fibers by means of circular air blowing, applying oil to clusters and carrying out drawing, heat-setting and winding to obtain the ecological antibacterial high-sensitivity polyester fiber. The ecological antibacterial high-sensitivity master batch is used as a modification auxiliary at the step (2). The ecological antibacterial high-sensitivity polyester fiber and the method have the advantages that the antibacterial performance of the ecological antibacterial high-sensitivity polyester fiber include that the antibacterial rate of the ecological antibacterial high-sensitivity polyester fiber for staphylococcus aureus is higher than 90%, and the antibacterial rate of the ecological antibacterial high-sensitivity polyester fiber for Escherichia coli is higher than 92%; the far infrared emittance of the ecological antibacterial high-sensitivity polyester fiber is higher than 85%.

The invention discloses a cherax quadricarinatus breeding method. The method comprises the following steps of pond selection, pond disinfection, breeding water treatment, compound bacteria culture, shrimp fry stocking, feed feeding and pond management. According to the breeding method, by reasonably arranging a shelter, breeding compound bacteria, adding EM bacteria and traditional Chinese medicine powder into feed and the like, breeding is conducted under the condition of not using hormones or antibiotics, the method has the advantages of being ecological, environmentally friendly, less in investment, low in cost and convenient to manage, and the cherax quadricarinatus obtained through breeding is high in survival rate, high in growth speed, healthy and strong in physique, high in diseaseresistance and high in stress resistance.

The invention belongs to the technical field of carbon electrodes and discloses a special carbon electrode for smelting of titanium slag and a preparation method thereof. The preparation method is mainly technically characterized by screening solid raw materials comprising electrically calcined coal, petroleum coke and graphite scrap after calcination, proportioning the materials by an electronic proportioning system, then adding into a mixing and kneading pot, stirring and dry-mixing, then adding coal asphalt, mixing and kneading, and further molding, baking and machining for producing a special carbon electrode finished product for smelting of the titanium slag. The special carbon electrode for the smelting of the titanium slag has the advantages of no asphalt volatile matters, high volume density, low ash content and good oxidation resistance; and the the special carbon electrode is used for replacing a self-baking electrode, thus flue gas volatile matters emitted during baking is avoided, the power consumption during the baking process of the self-baking electrode is saved, energy conservation and environmental friendliness are realized, the installation is simple and convenient, the accidents of soft breakage and hard breakage of the electrode caused by careless operation are avoided, and the safety is greatly improved.

The invention discloses an efficient sampling test tube cleaning device for a hospital clinical laboratory. The efficient sampling test tube cleaning device comprises a cleaning tank, racks, magnets,a driving motor, a cam, cleaning brushes, an infusion pump and an air cylinder, the racks are slidably mounted in a first sliding groove and a second sliding groove, the upper ends of a driving rotating shaft and a driven rotating shaft penetrate a partition plate and are connected with the cleaning brushes, the infusion pump is fixedly mounted on the left outer wall of the cleaning tank through asupport, and a disinfection device is fixedly mounted on the left outer wall of the cleaning tank. According to the cleaning device, inner walls of test tubes are thoroughly cleaned by the aid of clockwise and anticlockwise alternating rotation of the cleaning brushes, the cleaning effect of clockwise and anticlockwise alternating rotation is better as compared with that of unidirectional rotation, the cleaning effect is furthest improved, a rebounding function is achieved by the aid of the principle of isotropic repulsion of the magnets, and the loss rate of a spring is high as compared a rebounding function of a common spring. By the aid of the magnets, cost can be effectively reduced, and the device is stable and reliable.

The invention discloses an artificial fish reef with waste mytilus shells as a body. The artificial fish reef comprises a frame structure formed by welding triangle steel, the top end of the frame structure is open, a base formed by a cement board is fixed at the bottom end of the frame structure, and each side face of the frame structure is laid with a slice-shaped component coincident with the side face in shape and size; the slice-shaped components are prepared by extruding meshes and the waste mytilus shells with which the meshes are filled, and young oysters are attached to the surfaces of the slice-shaped components. According to the artificial fish reef with the waste mytilus shells as the body, the artificial fish reef is prepared with a large quantity of waste mytilus shells, a preparing method is simple, convenient and easy to achieve, and compared with a traditional artificial fish reef, the emission reduction effect of the artificial fish reef is good; the artificial fish reef serves as an important facility of a marine ranch, and has the advantages that eco-environmental friendliness is achieved, the structure is stable, and hold time is long.

The invention discloses a cleaner production method of functional lignin. On the premise of substantially not changing the natural structure of lignin, the bonds between lignin and cellulose are further opened through high-pressure instantaneous steam explosion, and the dissolution rate of lignin is increased under the condition that the concentration of the extraction liquid is low. The method adopts the circulated extraction process, achieves the repeated use of the acid neutralizer, the alkaline extraction agent and the process water, reduces the material consumption, reduces the pollutant discharge, and achieves low-carbon economy. With the operation of gradient alkaline elution and neutralization, the elution liquid is recycled and the lignin is recovered, so that the acidity of the residue is reduced, which can lay the foundation for ethanol production. The process of the invention has the advantages of low cost, less pollution, high alkali utilization rate and the like, and is recommended to be generalized and applied.

The invention discloses a novel multifunctional traffic monitoring system comprising an upstand, a cross beam, and a monitoring box; the cross beam is arranged on one side of the upstand; the monitoring box is arranged on the bottom of the cross beam; an electronic eye and a monitoring camera are arranged in the monitoring box; the electronic eye is arranged on one side of the monitoring camera; two external ends of the monitoring camera are respectively connected with a bearing. The system uses an electric telescoping rod and a timing switch to effectively monitor the road surface, thus preventing blind points in monitoring; the system uses a rotary nozzle and a cleaning sponge to effectively clean the electronic eye and the monitoring camera, thus effectively utilizing cooling water to cool down devices, effectively preventing dusts and particles from depositing around the electronic eye and the monitoring camera in hazy days, and mitigating atomization phenomenon in the surroundingenvironment; the system uses a wind wheel and a solar cell panel to effectively utilize the miniature wind power generation and solar energy generation, thus storing power and reducing energy consumption.