70results about How to "Reduce pollution damage" patented technology

The invention discloses a backfill handling method for an activity subsidence area of a mine. The backfill handling method is characterized in that mixed slurry is prepared by mixing high-concentration tail mortar which is obtained by densely dehydrating low-concentration tail mortar through a deep cone thickener (1) with rough aggregates and concrete which are discharged by an aggregate silo (2) and a power silo (3) through a mixer (4); and the slurry is pumped to the subsidence area (6) through a pump (5) so as to be discharged. During the discharging, the subsidence area is backfilled by a discharging mode of plane partitioning staggering and vertical cement and non-cement interbedding; according to the plane partitioning staggering discharging, the subsidence area is divided into a plurality of independent discharging areas on a plane according to a spatial distribution state of the subsidence area, and the mixed slurry is discharged in the staggered manner according to different areas; and according to the vertical cement and non-cement interbedding discharging, cement backfill layers (7) and non-cement backfill layers (8) discharge the slurry in the staggered interbedding manner in the vertical direction of the subsidence area. The backfill method has the characteristics of low backfill cost, safety and reliability in backfill and the like.

The invention relates to a method for recycling fabric liner soft PVC, which breaks PVC waste blocks into 1-3mm particles, to be screened out most fabric fiber group separated from PVC waste, then obtains PVC particles in a particle separator. The invention has the advantages that the invention can completely recycle the PVC in fabric liner soft PVC, while the PVC content can reach 99.5%, to reuse PVC and reduce pollution.

This invention relates to disassemble composite particles filling machine, which comprises the following: materials chute and material transmission device to send the particles in the chute to the destiny place, wherein the chute is supported by one rack above one base socket; the material transmission device is located on the base socket under the material exit mouth of chute; the transmission device can move back and forth by one dynamic driving system on the said base socket.

The invention relates to a raw color matching yarn and a preparation technology thereof. The raw color matching yarn is characterized in that one beam of composite yarn which is formed by melt-spinning contains two or more types of raw color fiber with different colors; each raw color fiber is a single yarn in a single color. The preparation technology comprises the following steps of metering melts of different colors by different metering pumps, enabling the melts to enter distribution plates through different melt flow passages, and enabling the distribution plates to distribute the melts into different yarn spraying holes. The raw color matching yarn has the advantages that multiple types of raw color yarns of which the colors are difficult to distinguish by naked eyes are prepared into the composite yarn by melt-spinning, so as to obtain the single-color fiber with a uniform macrostructure, the appearance of strip dyeing or piece dyeing type single-color fiber is realized, and theexistence of multiple colors in the fiber cannot be distinguished under the near-distance observation condition; the layering feel is fine, and the vision style is particular.

The invention discloses an electronic tea cabinet comprising a tea cabinet body, a water treatment device, a water outflow device, a water drainage port and a waste water collection device, wherein the water treatment device is arranged inside the tea cabinet body; the water outflow device is arranged on the outer wall of the tea cabinet body and connected with the water treatment device, the water drainage port is used for collecting waste water by matching with the water outflow device, and the waste water collection device is arranged inside the tea cabinet body and communicated with the water drainage port. Based on the structure, the electronic tea cabinet has the functions of sterilizing, heating and/or refrigerating water, preserving tea, collecting waste water and the like through the skillful combination of traditional furniture and an electronic product by using a technical means so that water is rapidly heated without waiting and is automatically fed instead of inversely putting a water bucket; and the electronic tea cabinet can also be used for directly converting tap water into drinking water and is convenient to operate and use.

The polarizing plate, the screen module and the preparation method of the screen module provided by the present invention relate to the field of semiconductor device manufacturing, all of which can be based on the traditional structure of the screen module, by arranging the adhesive layer between the polarizing plate and the protective film Even if the polarizer is directly attached to the touch panel, it can not only minimize the pollution damage to the device structure during the manufacturing process, but also facilitate visual inspection, so that the contaminated device structure can be found in time to continue Subsequent rework operation; In addition, in the above-mentioned rework operation process, the thicker optical adhesive layer is generally separated, and since the polarizer is attached to the touch panel during the separation operation, It can effectively protect the touch sensor on the touch panel from damage, thereby effectively improving the efficiency of heavy industrial operations and greatly reducing production costs.

The invention relates to a novel crystalline silicon cell wet process edge etching technology. The technology includes the following steps that: phosphosilicate glass (PSG) layers of edge corners of a silicon wafer are removed through utilizing HF; the concentration of mass percentage of the HF ranges from 2% to 5%; the treated surface of the silicon wafer is dried by hot air, and the temperature of the hot air ranges from 50 to 70 DEG C; edge etching is performed on the silicon wafer through utilizing mixed acid of HF and HNO3; the etched silicon wafer is washed in a water tank; the washed silicon wafer is arranged in an alkaline tank, so that porous silicon can be removed, and ammonium hydroxide of which the concentration of mass percentage ranges from 5% to 8% is adopted as alkali; and the silicon wafer which has been subjected to alkali treatment is arranged in the water tank so as to be washed; HF or mixed acid of HF/HCl, of which the mass percentage ranges from 2% to 5%, is utilized to remove the PSG; the volume ratio of the mixed acid of HF/HCl ranges from 1:2 to 4; the silicon wafer of which the PSG has been removed is arranged in the water tank so as to be washed; and the silicon wafer is dried by air. According to the novel crystalline silicon cell wet process edge etching technology of the invention, the PSG of the edge corners of the silicon wafer is removed at first innovatively, and therefore, chemical solutions can be prevented from climbing onto the front surface of the silicon wafer, and etching dents can be avoided.

The invention discloses a method of selenium-rich tea planting, relates to the technical field of planting. By the method, accelerant is applied in the planting period of the tea tree in selenium-rich area, quadrivalence selenium in the soil is oxidized to hexavalent selenium through the oxidation effect of the accelerant, the selenium elements are enriched in the stems and leaves of the tea tree in the active absorption process of the tea tree, the effect of enrichment of selenium in the tea tree and tea leaves is enhanced, and tea leaves with rich selenium are obtained.

The invention discloses a lead storage battery recycling device which is applied to the treatment field of dangerous wastes of motor vehicles. The lead storage battery recycling device comprises a sulfuric acid collection chamber and a lead paste collection chamber, which are communicated in parallel, wherein a feeding opening is formed in the upper side of the sulfuric acid collection chamber; anopenable bearing plate is arranged at the lower side of the feeding opening; a supporting block and a cutting blade are arranged at two sides of the upper side of the bearing plate respectively; a filtering and conveying device which is communicated with the lead paste collection chamber is arranged below the bearing plate; a liquid guide funnel is arranged below the filtering and conveying device; a conveying pipe, which is in butt joint with the liquid guide funnel and is communicated with a sulfuric acid collection groove in the bottom of the sulfuric acid collection chamber, is arranged below the liquid guide funnel; a material crushing roller is arranged in the lead paste collection chamber; an inverted-con-shaped lead paste separation device is arranged below the material crushing roller. According to the lead storage battery recycling device disclosed by invention, the sulfuric acid collection chamber, the lead paste collection chamber and inner members are arranged, so that sulfuric acid liquid and lead paste in waste lead storage batteries can be effectively recycled and pollution and damages to the environment are alleviated.

The invention relates to a method for preparing recycled concrete by using a sucrose water reducer and recycled concrete. By adding the sucrose water reducer, the mechanical properties of the recycled concrete are greatly improved; meanwhile, calcium saccharate serves as waste residue in the sugar industry, and the environmental pollution is lightened. By improving the properties of the recycled concrete, the recycled concrete is more widely applied.

The invention relates to the technical field of agricultural fertilization, and particularly discloses a corn targeting variable fertilization method, device and application. The device includes: an image acquisition device, a control device and a fertilizer spraying device; wherein, the image acquisition device acquires image information of an area to be fertilized in real time when the fertilization device travels, and the control device respectively controls the fertilizer spraying device according to the image information; the fertilizer spraying device comprises a flat fan-shaped nozzle with a fan-shaped spray shape, and a plane where the fan shape is located is perpendicular to a traveling direction of the fertilization device; the image acquisition device and the fertilizer sprayingdevice are arranged on the same horizontal plane, and a vertical projection of the fan shape on a plane of the area to be fertilized is positioned in middle of a visual field distance of the image acquisition device parallel to the traveling direction; and the image acquisition device and the fertilizer spraying device responsible for fertilizing in the field of view area of the image acquisitiondevice are arranged in a specific manner. The invention also provides a fertilization method and application applying the device. The device applies fertilizer accurately, improves fertilizer utilization rate, and reduces fertilizer pollution.

The invention proposes a coating device. The coating device comprises a nozzle, a bearing tray arranged below the nozzle, and a guide plate arranged in the bearing tray for receiving a fluid sprayed out from the nozzle, wherein the guide plate is arranged in the longitudinal direction of the bearing tray, and can form a first angle with the vertical direction. The coating device can reduce the fluid splashing possibility to guarantee stable operation and to reduce or prevent the pollution and harm to operators.

The invention discloses an installation structure of multiple sliding doors. The installation structure of the multiple sliding doors comprises guiderails, hanging wheels and door leaf structures of the sliding doors, and further comprises a sub-frame mechanism. The sub-frame mechanism comprises a sub-frame body, the sub-frame body comprises a top plate, a left-right side plate; the guiderails are mounted in the sub-frame body, the side plate of the sub-frame body expands downwards to form baffles, the hanging wheels are arranged in the guiderails, and hanging wheel mounting blocks used for fixing the sliding doors are arranged downwards from the hanging wheels; hanging wheel weight-bearing grooves are formed in the upper end face of an upper frame body profile of the sliding door leaves, and weight-bearing groove baffles are arranged at the front side and the back side of the hanging wheel weight-bearing grooves; one side of each hanging wheel weight-bearing groove is open, and the other side of the hanging wheel bearing groove is closed; and the hanging wheel mounting blocks are inserted into the hanging wheel bearing grooves from the openings of the hanging wheel bearing grooves. By arranging the sub-frame structure, the decoration efficiency can be improved, the probability of the sliding doors damaged or polluted can be reduced, therefore the integral sliding doors are more attractive; by arranging the hanging wheel weight-bearing grooves, the clearances between the door frames and the guiderails are reduced, therefore the aesthetic degree is improved; and the door frames are connected with one another through angle combining machines and screws, and accordingly the strength of the sliding doors is improved.

The invention discloses a device with the energy conservation and emission reduction effects and the simultaneous desulfurization and denitrification effects on flue gas. The device comprises a boiler, a denitrification device body, a desulfurization device body and a chimney, the output end of the boiler is connected to the input end of the denitrification device body through a first dust remover, the output end of the denitrification device body is connected with an air preheater, the output end of the air preheater is connected with a first heat exchanger, the output end of the first heat exchanger is connected to the input end of a second dust remover, the output end of the second dust remover is connected to a second heat exchanger through a fan, the output end of the second heat exchanger is connected with the desulfurization device body, the output end of the desulfurization device is connected with an alkali liquor absorption device, and the output end of the alkali liquor absorption device is connected to the chimney. The device has the advantages of being simple and compact in structure, obvious in effect, good in energy conservation and emission reduction effects and denitrification and desulfurization effects and low in cost. The invention further discloses a coating of the device. The coating of the device is further designed and has good chemical reagent resistance, and the service life of the device is prolonged.

The invention discloses a waste plastic pavement structure for slow traffic systems and greenways in cities and a construction method. The waste plastic pavement structure comprises a foundation and alower bearing layer, wherein a plastic plate layer is laid on the lower bearing layer; the plastic plate layer consists of two layers, namely an upper plastic plate layer and a lower plastic plate layer; any one plastic plate in the upper plastic plate layer is fixed with two plastic plates in the lower plastic plate layer in a lap joint manner through bolts in a longitudinal direction; the plastic plates are prefabricated; the lower bearing layer is subjected to cement soil stabilization treatment; soil and cement are uniformly stirred, laid on the foundation and are grinded and flattened; the plastic plates are mounted; and soil is piled up on edges of the pavement structure. As the plates are made of waste plastic, and the plastic plates are connected through bolts to form a stable entity, people and bicycles can pass through, and slow traffic systems and greenway pavements in cities can be replaced.

Disclosed is a large-area cadmium sulfide film preparing method adopting a chemical immersion method on the basis of a copper-indium-gallium-selenium substrate. The large-area cadmium sulfide film preparing method is characterized by including the steps of preparing a molybdenum electrode on a glass substrate by a magnetron sputtering method, preparing a copper-indium-gallium-selenium film by a co-evaporation method, preparing a large-area CdS (cadmium sulfide) film on the surface of a composite substrate by the chemical immersion method under a low-ammonia condition, and regulating and controlling evenness in film growth by a rotor. The large-area cadmium sulfide film preparing method adopting the chemical immersion method on the basis of the copper-indium-gallium-selenium substrate has the advantages of good crystallization quality, high density and no pin hole in crystallization, good crystal adhesiveness, high crystal transmittance, simplicity, easiness in implementation, benefit to large-scale popularization and application and vitally important application prospect in industrial production.

The invention belongs to the technical field of toy materials and particularly relates to a biodegradable plastic toy. The biodegradable plastic toy comprises the following components in percentage by mass: 40%-55% of polyethylene PE, 20%-30% of polypropylene PP, 10%-25% of polyhydroxyalkanoate and 5%-20% of polybutylene succinate. The biodegradable plastic toy has the beneficial effects that the constitution is simple, the raw materials are easily available, the prepared plastic toy can be biodegraded, and the pollution and damage caused to the environment are reduced; the biodegradable plastic toy is environmentally friendly.

The invention discloses a zinc diricinoleate composite alkaloid cleaning agent which mainly comprises the following components: 3-5% of zinc diricinoleate, 1-3% of alkaloid, 2-5% of a surfactant and the balance of deionized water. According to the zinc diricinoleate composite alkaloid cleaning agent disclosed by the invention, the natural biological activity cleaning properties of the alkaloid aresufficiently taken into play, and the amount of sodium hydroxide in cleaning components can be reduced. While dirt is cleaned off, harmful gas smell of various unpleasant odors, stink and formaldehyde in new houses and vehicles can be decomposed.

The invention discloses a multipurpose transmission system and a construction scheme thereof, and belongs to the technical field of aerospace. The multipurpose transmission system comprises an ultra-large near space aerostat and a space launch and control platform which are located at the upper part, a large near space aerostat and a top-bottom intersection transfer station platform which are located at the middle part, an anchor station which is located at the lower part, and a cable and a self-driving cable car which are located among the three parts. The multipurpose transmission system andthe construction scheme thereof are characterized in that a sufficient air bag is reserved in each aerostat, so that the dead weight of the aerostat cannot be reduced due to height increasing. The multipurpose transmission system has a main purpose of being taken as an efficient and energy-saving space launch platform system which is arranged in an ultra-high airspace with an altitude of 30-50 kilometers, and has many great purposes additionally. According to the multipurpose transmission system and the construction scheme thereof, human and material resources, aerospace equipment and the like can be conveyed onto the ultra-large aerostat by the large cable car and through the cable, and then the aerospace equipment is launched into the space by the space launch platform; and the multipurpose transmission system has many advantages compared with various traditional, researching and future aerospace manners.

The invention discloses a fertilizer specialized for watermelon plantation. The fertilizer comprises, by weight, 30-50 parts of crop straw, 10-20 parts of stevia, 10-20 parts of vegetable and fruit waste, 20-30 parts of animal manure, 20-30 parts of soybean meal, 4-12 parts of microbial fermentation agent, 10-20 parts of chalk, 2-10 parts of choline chloride, 10-20 parts of calcium superphosphate, 6-16 parts of boron fertilizer, 10-20 parts of urea, 10-20 parts of bone powder, and 8-20 parts of ammonium nitrate. The fertilizer can improve the soil, and preserve the fertility and the moisture. The fertilizer has the advantage of having high use rate and more comprehensive nutrition, having longer fertilizing effect, being capable of promoting the watermelon growth and greatly enhancing the watermelon yield, being capable of improving the watermelon quality. The fertilizer not only satisfies the nutrition needed by the fruit growth, but also alleviates the pollution and destruction to the soil caused by long term fertilizing. The harvests acquired through the use of the fertilizer are both green and safe.