371results about How to "No chemical pollution" patented technology

The invention discloses a high-pressure gas blasting-based coal seam roof advance presplitting method, which belongs to the technical field of mine safety. The method is performed according to the following steps: (1) forming a group of drilled holes in a coal seam roof every a certain distance on a conveying roadway and a track roadway of a working face, wherein each group of drilled holes is arranged in a fan shape and faces towards a goaf; (2) placing a gas detonation gun which is connected with a high-pressure gas compression system in the drilled hole and sealing the hole by using high-strength fast setting concrete or resin; (3) starting the high-pressure gas compression system and instantaneously releasing high-pressure gas in a high-pressure gas storage tank in the drilled hole through the gas detonation gun to blast so as to communicate the crack around the drilled holes with adjacent drilled holes; and (4) repeating the steps (2) and (3) on each group of drilled holes in sequence to finish advance presplitting of the coal seam roof. According to the method, the potential spark hazard of chemical explosive blasting is eliminated; and since the pressure of the high-pressure gas is controllable and impact blasting can be repeatedly performed on the rock body, the dynamic disturbance of a coal seam is small, the roof presplitting effect is good, and the method is environment-friendly, safe and reliable.

The invention provides a biophysical method for removing the endopleura of a walnut. The walnut with the shell is soaked by tap water for 12 to 24 hours, the shell is removed, the kernel is taken out, pectinase with the activity being 30000 IU is dissolved into disodium hydrogen phosphate-citric acid buffer liquid with the pH being 3.2 to 3.8, and 3 percent to 5 percent of pectic enzyme liquid is prepared and is heated to 50 DEG C. The soaked walnut kernel is soaked in the pectic enzyme liquid and is placed into an ultrasonic generator with the power being 250W and the work frequency being 40KHZ, the enzymolysis and the ultrasonic treatment are carried out for 2.5 to 5 hours at the constant temperature being 50 DEG C, the walnut kernel is fished out and is sprayed and flushed by flowing water with the pressure being 7 to 10 MPa until the endopleura is completely removed, the walnut kernel with the advantages that the color and the luster are opacified, the kernel fruit is complete, the texture is flexible, the mouth feeling and the flavor are pure and sweet as those of the fresh walnut kernel can be obtained, and when the walnut kernel is in vacuum package and freezing storage, a fresh walnut kernel storage method is obtained. The biophysical method adopts the advanced biological enzyme technology to be combined with the ultrasonic physical technology and has the obvious characteristics that the operation is simple, the processing condition is mild, no chemical pollution exists, the kernel and the nutrition are kept complete, and the sensory quality is good.

The invention provides a microalgae grease extraction method which comprises the following steps: regulating the pH value of a microalgae solution, heating, pressurizing, and then returning to the normal pressure state; and adding biological enzymes, and mixing, wherein the biological enzymes are added in two steps, non-proteinase is firstly added, and proteinase is secondly added. According to the method provided by the invention, when the biological enzymes are used for treating wet algae, the proteinase is added after the non-proteinase acts for some time, so that the non-proteinase can not be decomposed or destroyed by the proteinase, thereby greatly increasing the wall-breaking efficiency. Compared with the method of simultaneously adding the proteinase and the non-proteinase, the wall-breaking efficiency is obviously increased, thereby obviously increasing the grease extraction rate and yield.

The invention provides a method for preparing high- purity konjak mannan with production purity over 95%. It comprises following steps: taking konjaku flour as raw material, producing mannan through enzymolysis, centrifuging and filtering and microfiltering and purifying, desalting with ion-exchange technology, decoloring, odour- removing, cutting off macromolecule with ultrafiltering membrane technology from sugar liquid, spray drying and getting high purity konjak mannan with purity over 95%. The invention is characterize by employment of enzyme technology, ion- exchange technology, membrane technology system, simple operation, good separation effect, low cost, no chemical pollution, realization of industrial production. The product can not only be used as functional health care product, but aslo as high- grade food ingredient, medical intermediate, and high- grade feed addictive.

The invention discloses a preparation method of a long-acting anti-microbial textile. The preparation method concretely comprises the following processes: firstly a desizing or refining process is carried out for the textile, and pretreatment is carried out for the textile by using low temperature plasma; textile which is pretreated is dipped at a room temperature for 10-30 minutes in a mixed finishing solution which comprises a chitosan solution and a silver nitrate solution, the textile is taken out and superfluous finishing solution is rolled out, liquor retention is 100-150%, the textile which is dipped in the finishing solution is transferred into a piece of microwave equipment for carrying out treatment for a certain period of time, after the reaction ends, the textile is taken out and washed with water, and after drying, the anti-microbial textile is obtained. The anti-microbial textile has the advantages of excellent anti-microbial properties, washing resistance, lasting anti-microbial effects, simple preparation technology, and low chemical pollution; the method overcomes the problems of complex processes, bad stability of nanometer silver, bad anti-microbial durability and the like existed in the prior art.

The invention discloses an organic leaf surface fertilizer rich in organic selenium and vitamins and a preparation method for the organic leaf surface fertilizer. The organic leaf surface fertilizer rich in the organic selenium and the vitamins comprises the raw materials in parts by weight: 40-60 parts of selenium-enriched bombyx mori, 40-60 parts of selenium-enriched plant waste, 40-60 parts of selenium-enriched edible mushroom waste, 40-60 parts of sodium selenite, 20-30 parts of vitamins and 1-10 parts of a composite fungicide. The selenium-enriched bombyx mori, the selenium-enriched plant waste and the selenium-enriched edible mushroom waste of the fertilizer can supply selenium elements and also supply animal proteins, plant proteins and microorganism proteins and are fermented by composite bacteria to polypeptide combined with the selenium elements. Therefore, the fertilizer can be used for supplying enough organic selenium and beneficial substances such as microorganisms and probiotics to the growth of crops; a large amount of waste is turned into treasures, so that social and natural resources are saved, the environment is protected, and cyclic economy is realized.

The invention discloses a sea wave and wind power generation device which is characterized by comprising a closed cavity and at least three micro power generation structure bodies. Each micro power generation structure body is composed of an elastic component, piezoelectric material, a permanent magnet and a coil, the micro power generation structure bodies are fixed on the inner wall of the cavity, the axial lines where the three micro power generation structures are positioned are in a three-dimensional orthogonality state, the inner space of the cavity is of a certain size, therefore the device can be supported to float on the water, the piezoelectric material is fixed on the outer surface of the elastic component, each elastic component drives two power generation units simultaneously to output electric energy outward, one power generation unit outputs electric energy by adoption of the direct piezoelectric effect of the piezoelectric material, and the other power generation unit outputs the electric energy by adoption of the electromagnetic induction principle.

The invention discloses a method for dyeing fabric by natural grape seed extract. The dyeing method comprises: pre-treating fabric blank by scouring enzyme; bleaching by hydrogen peroxide solution with concentration of 27%; preparing dyeing composition; heating the prepared dyeing composition; putting the fabric into the dyeing composition and dyeing; soaping the dyed fabric circularly by soda water; and dewatering and drying the soaped fabric. The method has good environment compatibility, biodegradability and medicament health caring property; can obtain the product with high chroma brilliant color or soft color, meanwhile avoids the serious pollution caused by chemical dye, and meet the requirement of environment protection; can obtain various brilliant high chroma colors and a large number of demitints by multiple dyeing of different times and different colors; and is nontoxic, harmless, has no anaphylaxis or carcinogenicity to skin. The invention can be widely used for producing high-grade real silk product, health caring underwear, hometextile product, and ornaments.

The invention belongs to the technical field of edible fungus processing and relates to a preparation method of white mushroom slices. In the method, fresh white mushroom is used as a raw material; and the white mushroom slices are prepared by pretreatment, slicing, soaking, preserving color, killing green in microwaves, cooling, quickly freezing and refrigerating. The white mushroom slice products prepared by the method have natural color, full structure, less moisture loss, less nutrient loss, cooking effect similar to that of fresh white mushroom.

The invention provides a biomass organic fertilizer and a preparation method thereof, which belong to the field of biomass fertilizer production. The biomass organic fertilizer comprises the following raw material in parts by weight: 20-30 parts of stalk carbon, 30-40 parts of livestock and poultry night soil charcoal, 21-44 parts of decomposed chicken manure, and 5-10 parts of pyroligneous liquor. The decomposed chicken manure is composed of chicken manure and a fermentation inocula and a stabilizing agent through fermentation, the fermentation inocula comprises Bacillus licheniformis, bacillus subtilis and aspergillus oryzae. The biomass organic fertilizer has the advantages of good fertilizer efficiency and no chemical pollution.

The invention discloses a detection apparatus and method for the content of chlorophyll. The method comprises the following steps: establishing a chlorophyll detection model by using chlorophyll solutions with different concentrations; detecting a to-be-detected sample by using incident light of two wavelengths so as to acquire the absorbance of chlorophyll in the to-be-detected sample; and substituting the absorbance of chlorophyll in the to-be-detected sample into the chlorophyll detection model so as to obtain the concentration of chlorophyll in the to-be-detected sample. According to the invention, light with wavelengths of 645 nm and 663 nm is used to irradiate the sample, the value of absorbance at corresponding wavelength can be obtained by measuring the intensity of transmitted light via a photoelectric sensor, so the relative concentration value of chlorophyll can be calculated. The detection apparatus and method have the main advantages of a fast analysis speed, a wide measurement range, simple preparation of the sample, no consumption of the sample, no chemical pollution, etc.

The invention discloses a tumbler type multimode power generating device which comprises a tumbler structural body, a micro power generating structural body and a piezoelectric material, wherein the micro power generating structural body is fixed on the inner wall of a cavity body, axial lines where three micro power generating structures of the micro power generating structural body are located are in a three-dimensional orthogonal state, the micro power generating structural body drives two power generating units to output power at the same time, one power generating unit outputs power by utilizing the direct piezoelectric effect of the piezoelectric material, the other power generating unit outputs power by utilizing the electromagnetic induction principle, and the piezoelectric material is fixed near the position where the outer side of the bottom of the tumbler structural body is combined with the ground. The tumbler type multimode power generating device can be used for power generation by wind power, water power, sea wave and vibrational energy, and is simple in arrangement, low in cost, and wide in application range.

An electroporating drug delivering device using hollow needle electrode includes a drug delivering head, a control console as well as a control line and a tube for connecting the drug delivering head and the control console. The drug delivering head includes a universal joint, a camera, an illuminating lamp, a molecular drug delivery structure, an electric connector, a grille, a hollow needle electrode array, and a stretchable structure. The control console includes a display for observing images, a rocker for controlling the universal joint, and a remote starting unit for controlling the generation of electric pulses. The control console is connected with the electric connector inside of the drug delivering head by the line arranged inside of the tube. The electroporating drug-administration device enhances the drug utilization efficiency and reduces the treatment time, and can accurately adjust the intensity and region of the electric field.

The invention provides a natural petals face-mask and preparation method thereof, comprising by weight percent: 1-5% of humectant, 5% of glycerol, 0.3% of cellulose, 0.1-0.5% of thickener, 0.01-1.25% of antiseptic, 0.01-0.05% of buffer, 1% of jojoba oil, 0.1% of hyaluronic acid, 25-50% of spermaphyta mixed extracting solution, 0.1%-1% of plant essential oil, 2% of camomile extracting solution, 2% of alga extracting solution, 2% of green cucumber extracting solution, 2% of calendula extracting solution, 2% of aloe extracting solution, 0.1-1% of natural plants petals, 0.1-2% of spermaphyta mixed petals and balancing amount of water. The natural petals face-mask is only applied on the clear face for about 15-25 minutes and then is rinsed up. Due to rich natural ingredient and no side-effect, the natural petals face-mask has remarkable cosmetic effect and quite environment protection.

The invention relates to a coating method for preventing birds from building nests, in particular to a method which is capable of effectively preventing birds from building nests on power transmissionand transformation circuits and equipment. The coating method for preventing birds from building nests adopts coating of any two or three of a red colour system, a yellow colour system and a blue colour system to carry out interval coating. The invention applies the characteristics of biological spontaneous reaction and utilizes the sensitivity of the birds to colors to prevent the birds from building the nests and prevent bird damage. Meanwhile, the coating method has no environmental pollution or chemical pollution, and simple and convenient construction.

The invention relates the preparing method of plant fiber expanded material, comprising the following steps: cutting and disintegrating plant fiber, putting it into microwave oven for 1-3min, cooling, and getting the product. The product can be used in many foaming products, such as mess-tin, heated board, acoustic Celotex board, basin, cup, packaging material, and so on. The invention has the advantages of uniformity, quick-speed, good effect and non-pollution.

The invention discloses a helmet cleaning machine and belongs to the field of cleaning equipment. The helmet cleaning machine comprises a frame body, a cleaning chamber, a heater, a high pressure steam pump and a spraying water pump, wherein the cleaning chamber is formed in the upper end surface of the frame body; and the heater, the high pressure steam pump and the spraying water pump are arranged in the frame body. The cavity of the cleaning chamber is divided into a left cavity and a right cavity; a semi-spherical spraying head and a supporting base arranged on the upper side of the semi-spherical spraying head are arranged in the left cavity; a rotating motor, a supporting plate mounted at the output shaft end of the rotating motor and spraying nozzles at the upper end are arranged in the right cavity. A cover plate is arranged at the upper end of the cleaning chamber. A slide base is arranged on the cover plate and is provided with a vertical through hole and a hydraulic cylinder. A cleaning bowl is arranged at the end of a hydraulic cylinder rod. The heater is connected to the high pressure steam pump and the spraying water pump through a T-joint. The high pressure steam pump is communicated with the semi-spherical spraying head, and the spraying water pump is communicated with the spraying nozzles. The helmet cleaning machine is simple in structure and convenient to use and can clean external shells and interior linings of helmets efficiently and rapidly; cleaning is thorough by adopting high pressure steam; chemical pollution is avoided, dirty water generated in the cleaning process can be recycled, and therefore the environment is protected and the resources are saved.

The invention relates to a deburring, grinding and polishing integrated ultra-fine processing machine. The machine comprising a frame, wherein a control box is arranged on the frame; a planetary mechanism is arranged inside the frame; a storage tank is arranged below the planetary mechanism; a grinding fluid filling and circulating filtration mechanism is arranged at one side of the storage tank; and a work fixture is arranged at the other side of the storage tank. The deburring, grinding and polishing integrated ultra-fine processing machine has the advantages that no chemical pollution, dust pollution or noise pollution is generated by adopting physical methods; precise positioning can be carried out through a positioning rod and impact damage is avoided during a cleaning process; meanwhile, all-directional three-dimensional deburring and cleaning can be realized through the planetary mechanism, the surface finish of a part can be increased through the grinding fluid filling and circulating filtration mechanism and the surface of the part is cooled and hardened to improve the service life of the part; and the machine adopts intelligent control to realize high efficiency and low cost and can be connected to a track type production line and a robot to realize the automatic production and reduce the labor cost.

The invention discloses a regenerative foam material taking granite powder as a raw material and a preparation method of the regenerative foam material. A formula of the regenerative foam material comprises the following components in parts by weight: 40-69 parts of granite powder, 2-8 parts of fly ash, 6-25 parts of fluxing filler, 1-5 parts of pore forming material, and 1-5 parts of polymeric material. The preparation method of the regenerative foam material sequentially comprises the following steps that grain fineness of the powder is controlled above 100 meshes; the powder is stirred and mixed uniformly; a mixture is pressed to a required granular material; the granular material is sent to a high-temperature furnace for warming, cooled and taken out; and a finished product is obtained. The regenerative foam material and the preparation method have the advantages that granite powder waste can be digested sufficiently; a long-term severe environmental pollution problem of a granite processing base can be solved; and environmental requirements can be met. The regenerative foam material is stable in physical property, light in weight, heat-insulated, compression-resistant and fracture-resistant, and can be used for building wall or external wall decoration; objectives of building weight reduction and energy saving can be achieved; in addition, the regenerative foam material has fireproof, waterproof and soundproof properties, and can be used for fireproof materials and wall partitioning materials.

The invention discloses a green peeling method for kiwi fruit. The method comprises the following steps: S1) performing intermittent vacuum treatment on kiwi fruit till kiwi fruit surface slightly swells; S2) soaking the kiwi fruit after intermittent vacuum treatment into a waxy degradation solution, and performing ultrasonic immersion treatment; S3) rubbing and peeling the kiwi fruit treated in step S2). According to the green peeling method provided by the invention, shape and quality of fruit pulp can be extremely prevented from being damaged; water consumption and discharge capacity are low; peeling effect is excellent; treating condition is mild; the method is beneficial to guaranteeing pulp quality and complete fruit shape, is capable of increasing pulp yield and is capable of extremely reducing pollutant discharge and resource waste.