88results about How to "High degree of environmental protection" patented technology

The invention discloses a water vapor circularly adjusting type oxygen-enriched combustion method for a pulverized coal boiler. The method is characterized in that in the whole oxygen-enriched combustion process, smoke generated by combustion is sequentially subjected to heat energy extraction, purification and condensation treatment, condensate water obtained after condensation treatment is heated to be converted into water vapor by using extracted heat energy, and a part of the water vapor is used as primary air to be fed into a boiler chamber of the pulverized coal boiler; and the rest of the water vapor is mixed with oxygen to serve as secondary air to be fed to the boiler chamber of the pulverized coal boiler. The invention further discloses other oxygen-enriched combustion modes by using the water vapor to execute circulation adjustment. By means of the water vapor circularly adjusting type oxygen-enriched combustion method and other oxygen-enriched combustion modes, problems that smoke with high concentration CO2 is difficult to obtain, pollutants of NOx, SO2 and the like are high in concentration and switching of starting and stopping of a system is complicated in prior art are solved, and the water vapor circularly adjusting type oxygen-enriched combustion method is particularly suitable for being used in occasions of pulverized coal boilers and the like.

The invention relates to a waste paper breaking device, in particular to an environment-friendly waste paper multistage breaking device. The environment-friendly waste paper multistage breaking device achieves the technical aims of being thorough in breaking, high in environment-friendly degree and high in practicability and comprises a second blade, a third blade, a trapezoid block, a first conical gear, a second conical gear, a first rotating rod, a small gear, a second connecting rod, a swing rod, a first connecting rod, a sliding block, a sliding rail, a base, a collection box, a left frame, a third bearing pedestal, a breaking box, a first blade, a third rotating rod, a first bearing pedestal, a speed reduction motor, a U-shaped frame, a large gear and the like. The left side of the top of the base is connected with the left frame. The effects of being thorough in breaking, high in environment-friendly degree and high in practicability are achieved. When the device is used for doing waste paper breaking work, waste paper can be cut thoroughly, and the chopping effect is better.

The invention provides sludge dredging processing equipment and method for an urban sewer line. The sludge dredging processing equipment comprises a frame, wherein the frame is provided with a submersible pump; the submersible pump is connected with a slicing machine; the slicing machine is connected with a medicine-mixed sludge stirrer; the medicine-mixed sludge stirrer is connected with a sewage separation tower; the sewage separation tower is connected with a sludge pump I; the sludge pump I is connected with a distributing device; the distributing device is connected with a separation agent medicine stirrer and an addition pump; the separation agent medicine stirrer and the addition pump are connected with a high-frequency sludge screen; the high-frequency sludge screen is connected with the sludge pump II; the sludge pump II is connected with a flocculant medicine stirrer and the addition pump; the flocculant medicine stirrer and the addition pump are connected with a filter press; and corresponding chemical agents are added to the separation agent medicine stirrer, the addition pump, the flocculant medicine stirrer and the addition pump respectively. According to the device and method, a quick separation technology of sewage and sludge is achieved; the volume of the equipment is reduced; movement convenience of the equipment is achieved; the manual labor of a worker is relieved; the environmental pollution is improved; and the adaptability is good.

The invention discloses an expandable polystyrene (EPS) waterproof and sound insulation type composite wood floor. The EPS waterproof and sound insulation type composite wood floor comprises a wearing layer, a decorating layer, a base material layer and an equilibrium layer. The layers are sequentially stacked through binder. The EPS waterproof and sound insulation type composite wood floor has the advantages that with the adoption of the EPS waterproof and sound insulation type composite wood floor, cutting down of trees is reduced, application of chemical material is reduced, ecological environment is protected, and the EPS material is recoverable material, and environmental protection degree of the EPS waterproof and sound insulation type composite wood floor is further strengthened, meanwhile, the EPS material has good water proof performance and sound insulation performance, the composite wood floor is enabled to have water proof and sound insulation effect in the true sense, structure is simple, utilization and installation are convenient and the like, and promotion and utilization in daily life is suitable.

The invention relates to the field of surveying and mapping, and specifically relates to a warning device used in surveying and mapping. The warning device comprises a base, moving wheels, an open groove, a solar cell panel, an electric telescopic rod, a drive device, a telescopic arm, a warning sign, a photosensitive sensor, a human body sensor, a power supply, and an alarm. The warning device is applicable to a wider range of scenes, and different fonts can be set in order to adapt to corresponding scenes. External light is detected using the photosensitive sensor. When a light signal is detected, the photosensitive sensor makes the drive device started, the drive device drives the electric telescopic rod to stretch out, and the solar cell panel connected to the electric telescopic rod is pushed out. Solar energy is used as the electric energy of the warning device, and the degree of environmental protection is high. The human body sensor detects whether there is a human body signal around the warning device and makes the alarm sound when detecting a human body signal approaching, and a very eye-catching warning effect is achieved.

The invention is suitable for the field of environment-friendly devices, and provides a clothing recovery box with the functions of convenient taking and overall drying. The clothing recovery box comprises a supporting assembly and a functional assembly. The supporting assembly comprises a recovery box body, a partition plate, an inlet baffle, an outlet baffle, a gripping handle, a transmission rod and a supporting seat. The partition plate is arranged and rotationally connected to the recovery box body, keeps balanced through the outlet baffle, and rotates along with opening and closing of the outlet baffle through the transmission rod; when the outlet baffle is opened, the partition plate is inclined so as to conveniently take recovery clothing, and thus the working efficiency is improved; and after the clothing is thrown into the recovery box body to be accumulated, a fan arranged on the lower surface of partition plate can blow air to the clothing on the bottom surface through holes formed in the partition plate, so that the clothing keeps ventilating drying overall, and the situation that secondary using of the clothing is affected by moist mildew is avoided.

The invention relates to the field of antistatic agents, and discloses a low-additive-amount long-acting low-humidity-resistant washable polyvinyl chloride special antistatic agent and a preparation method thereof. The antistatic agent is prepared from components in percentage by mass as follows: 5%-35% of an anionic surfactant, 0%-25% of a cationic surfactant, 0%-25% of an ionic compound, 15%-35%of alkanolamide and/or a derivative nonionic surfactant thereof, 10%-30% of a dispersing agent and 5%-18% of a functional aid, wherein at least one of the cationic surfactant and the ionic compound exists. The liquid antistatic agent is light in color, transparent and low in viscosity, after a small amount of the liquid antistatic agent is added to a PVC matrix, the transparency and mechanical properties of the PVC product are hardly affected, and the obtained product has excellent antistatic performance and can still keep good, lasting and stable antistatic performance in a low-temperature and low-humidity environment and is excellent in washing resistance.

The invention belongs to the technical field of municipal construction, and particularly relates to an environment-friendly garbage can for municipal construction. The environment-friendly garbage can comprises a can lid, a side plate, a can base and a circulation module. The can lid comprises a handle, a can lid plate, a screw cap, a rotary shaft, a piston, elastic rods, cleaning brushes, a sucking module, extension springs and a sleeve ring. The can lid plate is hinged to the side plate. The handle is located above the can lid plate and fixedly connected with the can lid plate. The screw cap is located above the rotary shaft. The rotary shaft is located above the piston and fixedly connected with the piston. The cleaning brushes are connected with the rotary shaft through the elastic rods. The sucking module is located between the rotary shaft and the elastic rods. The extension springs are located between the rotary shaft and the elastic rods. The sleeve ring is located below the rotary shaft and connected with the cleaning brushes through buckles. According to the environment-friendly garbage can, the circulation module is matched with the can lid, thus, the automatic sewage cleaning function and the can lid cleaning function are achieved, the can lid is easy to clean, the appearance of the garbage can is improved, and then the city appearance is improved.

The invention provides water-based gravure white ink for film printing and a preparation method of the water-based gravure white ink, and the water-based gravure white ink is prepared from 50-52% of water-based polyurethane resin, 1-2% of a water-based dispersing agent, 4-6% of ethyl alcohol, 0.3-0.5% of a water-based wetting agent, 0.2-0.3% of a water-based defoaming agent, 35-40% of titanium dioxide, 1-2% of water-based wax slurry and 2-4% of deionized water. According to the gravure white product, through reasonable formula proportion and no addition of any solvent harmful to human bodies in the production process, VOC emission is greatly reduced, the odor of the product is reduced, a traditional solvent type gravure white product is replaced, and the gravure white product is good in film material adhesive force, good in wear resistance, high in color and luster, quick to dry and low in residual odor, and can be printed on the product, so that the gravure white product has a good application prospect. And the printing requirement is met, and meanwhile the environment-friendly degree is improved.

The invention discloses an environment-friendly joint cutting device capable of controlling the joint cutting depth for bridge road construction, and belongs to the technical field of road construction. The environment-friendly joint cutting device comprises a mounting box, a displacement wheel, a mounting frame, a limiting frame and a cutting wheel, wherein the displacement wheel is arranged on the lower surface of the mounting box, and a hose is connected between an air outlet pipe and a cooling head. According to the environment-friendly joint cutting device capable of controlling the joint cutting depth for bridge road construction, a rotating ring which can be held to rotate can drive an adjusting block to rotate through an adjusting gear when the rotating ring rotates, and the adjusting block is in threaded connection with a displacement rod to drive the displacement rod and a mounting rod to slide downwards, and then the cutting depth of the cutting wheel mounted at the lower end of the mounting rod is changed. By means of the mode that the adjusting gear can be alternately clamped with two adjusting blocks or clamped with the two adjusting blocks at the same time when sliding up and down, the two cutting wheels can cut into the road surface at different depths, and then the needed depth is obtained through cutting in two times, so that the edge of the cutting joint is neat, attractive and not easy to crack, and the service life of the pavement is prolonged.

The invention relates to an industrial van, in particular to an environmentally friendly industrial anti-falling van. The invention aims to provide the environmentally friendly industrial anti-falling van which is high in anti-falling property, high in environmental friendliness degree and high in practicability. In order to solve the technical problem, the environmentally friendly industrial anti-falling van is provided and comprises a water inlet tube, a water absorbing tube, a water pump, a water outlet tube, a water tank, a hard water tube, a first steel wire rope, a sliding track,, a first electric wheel, a second electric wheel, a second steel wire rope and the like; and a supporting plate is in contact with the rear wall of a van head, the upper part of the right side of the supporting plate is connected with the sliding track, a first sliding block is arranged on the sliding track, a spring is connected between the first sliding block and the left end of the sliding track, and the first electric wheel is arranged on the right part of the front side of the sliding track. The environmentally friendly industrial anti-falling van is high in anti-falling property, high in environmental friendliness degree and high in practicality. By the van, the working efficiency can be improved, pollution of dust to air is reduced, and the effect of protecting the environment is achieved.

The invention discloses efficient controllable sewage treatment equipment for a factory. The equipment structurally comprises a star-jet aeration pipe cylinder, a pressure gauge, a plunger seat cap, apurification tank, a pressure discharge pipe, a flow guide pipe and a sedimentation tank. The cooperation of the star-jet aeration pipe cylinder and the purification tank is realized, the purification tank is connected with a star beam pipe frame on the rear side of an aeration pipe horizontal cylinder to be communicated with water flow, the water quality monitoring sensing operation is carried out by a shunting detection tank, pipeline aeration lifting branch pipe treatment is adapted in the later period, a trace amount of controllable polluted water source enters an aeration integration star beam tube rack, a purified water source is used for quantizing the communication effect of an edge side frame pipeline, a disc frame type swirling through pipe star-jet connecting pipe aeration operation after water flow monitoring and separation is guaranteed, the oxidation circulation efficiency is improved, a whole fluidized bed type oxygen channel obtains an effective frame folding propelling effect, the circulation quantification work effect of later-period factory controllable sewage treatment is facilitated, and the continuous supply efficiency of later-period factory water is improved.

The invention provides a flexible circuit board manufacturing process and a flexible circuit board. The manufacturing process comprises the steps of mixing a conductive material and a high-molecular material to obtain a mixture; forming a hollowed-out part on a substrate, wherein the hollowed-out part is consistent with a conductive circuit in shape; laying the mixture in the hollowed-out part; and carrying out high-temperature heating on the substrate laid with the mixture, and drying the mixture. According to the manufacturing process provided by the invention of the flexible circuit board, the whole manufacturing process does not involve a chemical corrosion process, so that it is necessary to adopt a chemical reagent, the whole manufacturing process is high in environmental protection degree and does not produce sewage. Meanwhile, compared with the traditional process in which corrosion is carried out after the conductive material is completely laid, the manufacturing process provided by the invention does not involve the waste of the conductive material, thereby being more cost saving.

The invention discloses a composite fiber artificial board and a manufacturing method thereof. The composite fiber artificial board is formed by bamboo fibers, wood fibers, polyacrylamide resin and paraffin; ionicity of the polyacrylamide resin is bisexual, according to the molar ratio being 6.5:2-2:6.5, a monomer with a cationic basic group and a monomer with an anionic basic group are contained, the molecular weight ranges from 800 thousands to 3000 thousands, and the ionicity of the paraffin is the positive ion. In addition, according to the manufacturing method of the composite fiber artificial board, slurry is prepared according to the manner that the solid component mass percent concentration ranges from 3% to 4%, and the pH ranges from 3 to 5; and only the polyacrylamide resin and the paraffin are added into the slurry. The static bending intensity and the tensile strength of the composite fiber artificial board reach and even exceed those of a natural wood board, the composite fiber artificial board can completely replace the natural wood board, and even can replace a bakelite board and a plastic board, the environment-friendly degree is high, and the water resistance is good.

The invention discloses a method for preparing homopiperazine by utilizing ethyl trifluoroacetate. The method comprises the following steps: (1) taking ethylenediamine as an initial raw material; enabling the ethylenediamine to react with the ethyl trifluoroacetate under the action of an organic solvent, so as to prepare bistrifluoroacetylethylenediamine; (2) enabling the bistrifluoroacetylethylenediamine obtained by the step (1) to react with a 1,3-disubstituted propane compound under the action of a solvent and a catalyst, so as to obtain bistrifluoroacetyl homopiperazine; (3) enabling the bistrifluoroacetyl homopiperazine obtained by the step (2) to react with a hydrogen chloride ethanol solution to obtain homopiperazine bihydrochloride; recycling the ethyl trifluoroacetate; (4) enabling the homopiperazine bihydrochloride obtained by the step (3) to react with alkali under the action of a solvent and a catalyst, so as to prepare the homopiperazine. The method disclosed by the invention has the beneficial effects of simplicity and convenience for operation, relatively low cost, relatively high yield, relatively small pollution and wide applicable range, and can meet the requirements on industrial production of products.