41results about How to "Does not pollute water quality" patented technology

The invention relates to a water soluble preservative film for fruits and vegetables and a preparation method of the preservative film. The water soluble preservative film for the fruits and vegetables is mainly prepared by the following materials in percentage in weight: 50 to 80% of polyvinyl alcohol with alcoholysis degree of less than 90%; 10 to 30% of polyhydroxy plasticizer, 1 to 5% of auxiliary film forming agent, 3 to 8% of low temperature antifreeze agent, 3 to 10% of adsorbent filling agent and 0.3 to 2% of film-forming adding additive. The preparation method comprises the following two steps of: 1, after metering contents of components of the preservative film in the formula, obtaining a uniform aqueous solution with concentration of 15 to 25% in water; and 2, uniformly casting the prepared solution on a clear steel band, and drying the solution to obtain the film through a dried drying tunnel with temperature of 120 to 180 DEG C. The preservative film has a high barrier property against oxygen, carbon dioxide and nitrogen and the like, and has a high bidirectional permeable exchange capacity for steam, thereby guaranteeing free breathing and water exchange of the fruits and vegetables in a preserving process.

The invention discloses a water borne floating bed, the main body of which is a foam board. A plurality of taper base holes are arranged on the foam board according to space requirement of the rice growth line distance. A taper plastic retainer cap is installed in the taper base hole. Small holes are provided on the cup bottom and the cup wall of the taper plastic retainer cap. The invention also discloses a method for planting rice on the floating bed. The invention develops the novel technology for planting rice in the natural water area, decreases the planting costs, alters the station of the paddy field rice and the water culture rice depending on the fertilizer and pesticide, saves water, electricity and labor force and purifies the water and environment.

The invention discloses a trenchless large-caliber water supply pressure pipeline rehabilitation construction method. The trenchless large-caliber water supply pressure pipeline rehabilitation construction method comprises the steps that the two sides of a damaged pipeline are cut up; a working pit and a receiving pit are excavated in the head end and the tail end of the damaged pipeline correspondingly; a pipe jacking device is arranged in the working pit, lining pipes are pushed into the damaged pipeline through the pipe jacking device, glass reinforced plastic sand pipes and steel pipes arecombined to serve as the lining pipes, and sealing joints are arranged between the lining pipe sections, wherein the steel pipes are adopted as the lining pipes at the head end and the tail end of the damaged pipeline and pipe sections connected with branches, and after pushing in of the lining pipes is completed, clearances between the lining pipes and the damaged pipeline are blocked. The construction method is relatively simple, mature in process, economical and practical, and the rehabilitated pipeline has the advantages of being small liquid conveying resistance, good in corrosion resistance, long in service life and free of water quality pollution.

The present invention discloses a duckweed/sweet corn stigma composite catfish feed, which is characterized in that the catfish feed is made from the following raw materials by weight: 17-19 parts of black rice flour, 18-20 parts of millet flour, 16-18 parts of sorghum flour, 11-13 parts of potato juice, 4-6 parts of glucose, 17-21 parts of duckweed, 12-14 parts of sweet corn stigma, 13-15 parts of dried small shrimps, 8-10 parts of quail meat, 14-16 parts of soybeans, 4-8 parts of sesame, 0.02-0. 04 part of musk, 0.1-0.2 part of monosodium glutamate, 1.2-3.2 parts of grape seed oil, 0.1-0.3 part of phlomis mongolica, 0.2-0.4 part of indigowoad root, 0.2-0.5 part of ginkgo leaf, 3-6 parts of accessory ingredient and a proper amount of water. According to the present invention, the composite catfish feed effectively compounds a plurality of components and provides balanced nutrition. The added duckweed and sweet corn stigma can stimulate the appetite of fish and is capable of gathering fish rapidly and attracting fish for a long time. The composite catfish feed is convenient to use, easy to store and has a very considerable market prospect.

The invention discloses a special feed for lion head goldfish and a preparation method thereof. The special feed is composed of the following components in parts by weight: 25-27 parts of water flea, 20-22 parts of earthworm, 23-26 parts of budworm, 15-17 parts of skinworm, 11-13 parts of tubificidae, 7-9 parts of sesame, 4-6 parts of duckweed, 1-3 parts of spirulina, 6-8 parts of flour weevil powder, 1-3 parts of water quality purification bacteria, 2-4 parts of vitamin A, 2-6 parts of vitamin E and 20-30 parts of water. The special feed disclosed by the invention is rich and comprehensive in nutrients, free of pigment, easy to digest and absorb and capable of ensuring the healthy growth of the lion head goldfish, and the water flea contained in the formula prevents the metabolite of the lion head goldfish from polluting water.

The invention relates to a production process of a single-handle basin plastic tap main body. The process comprises the following steps: placing an insert, folding a model, injecting materials, injecting air, keeping the pressure, releasing the air, cooling, unfolding the mold and taking out a part. Through the above procedures, the produced plastic tap can not pollute water quality. The injection process does not need too high pressure. Therefore the module has a simple structure and long service life, needs no large injection machine, and has low loss. Since part high pressure air is discharged in the injected part, the material is saved and the construction cost is low.

The invention discloses a detergent taking a luffa extract as a raw material. The detergent comprises the following components: sodium chloride, a luffa extract and auxiliary materials. According to the invention, pure biomass luffa extract is used as a main material for removing pesticide residues, and under the synergistic effect of a salt demulsification effect and auxiliary material additives,the cleaning effect of the luffa extract on dirt such as oil stains, fruit wax, pesticide residues and the like is exerted, so that deep cleaning of the surfaces of fruits and vegetables is achieved,and potential safety hazards during eating of the fruits and vegetables are eliminated; and the detergent provided by the invention is an environmentally-friendly natural plant formula, is safe and non-toxic, is harmless to the body after being mistakenly eaten, contains pure natural components, can be biologically degraded, does not pollute the water quality, does not cause secondary pollution,is simple and feasible in preparation process, is safe, does not have side effects, and has a high popularization value.

The invention discloses a microbial fermentation method for preparing insect soluble pulp from hermetia illucens larvae. The method comprises the following steps: beating hermetia illucens old maturelarvae into fresh insect pulp; adding 0.5% of high-activity compound bacteria into the fresh insect pulp; and carrying out fermentation and enzymolysis composite reaction at 30-35 DEG C to prepare fluid insect soluble pulp. The method has the advantages that: scientific matching is achieved, the insect soluble pulp is close to natural bait, a foundation is laid for providing a healthy body for aquatic products in the whole process, the survival rate is increased, and the bait falling coefficient is low; high-quality amino acid is rapidly supplemented and absorbed and is a substitute raw material for crude protein coating, digestive enzyme conversion is not needed, the liver load is reduced, and the liver atrophy phenomenon is eliminated; and the water quality is stabilized, the water quality is not polluted, algae pouring is not easy, the heavy water color does not need to be worried too much, and zymophyte organic acid has a certain detoxification effect on algae, nitrite, hydrogen sulfide, chloride ions and the like.

The invention discloses a device for monitoring a water softener resin regeneration salt consuming state. The device is characterized by comprising a plurality of groups of infrared sensors, a controller and a display alarm device, wherein each infrared sensor comprises an infrared emitter and an infrared receiver which are mutually paired, all the groups of the infrared sensors are distributed from top to bottom, and the controller is connected with all the groups of the infrared sensors and can control the display alarm device to work according to the signals fed back by all the groups of the infrared sensors. In actual work, the infrared emitters can emit infrared signals in real time; when the corresponding infrared receivers receive the infrared signals, the controller can display thesalt consuming state on a display screen in real time by treating the infrared signals; when the receiver of the lowest group of the infrared sensor receives the infrared signals, the controller candisplay salt deficiency on the display screen by treating the infrared signals and give out sound-light alarm.

The invention relates to a crab feed. The crab feed is prepared from, by weight, 45-60 parts of ass meat, 10-15 parts of peanut cake, 5-9 parts of trepang, 15-20 parts of scallop muscle, 0.2-0.5 parts of woodlouse powder, 1-3 parts of pumpkin seed powder, 2-5 parts of yellow wine, 2-4 parts of camellia-seed oil, 1-3 parts of toona sinensis leaves, 2-5 parts of salt and a proper amount of water. The crab feed is more beneficial to the growth of crabs in the growth period, more appropriate for the protection of water quality, fewer in floating dregs in the water, clearer in water, more suitable for the growth of crabs and capable of being applied widely to crab feeding.

The invention discloses the application of a euphausia superba powder in preparation of a guppy color enhancing feed and the puppy color enhancing feed. The color enhancing feed is prepared through the following components in percent by mass: 5-75% of the euphausia superba powder, 1-20% of soybean protein concentrate, 1-8% of a barley pest powder, 1-8% of a cricket powder, 1-20% of self-raising flour, 2-10% of a beer yeast powder, 1-10% of starch, 4-20% of fairy shrimp, 2-4% of spirulina, 1-4% of soyabean lecithin, 2-4% of glycine betaine, 1-3% of soybean oil, 1-3% of a vitamin mixture, 1-5% of a mineral element mixture, 1-5% of an immunopotentiator, 0.1-4% of bacillus subtilis, 1-3% of rose, 0.5-2% of rhodopseudomonas palustris, and 2-4% of prodigiosin. The feed shows good color developing and enhancing effects on guppy; the flesh of guppy can be obviously improved after 5 days and the color is not faded; the feed is high in attracting performance, and capable of improving the immunity, the stress resistance and the survival rate.

The invention discloses cofferdam equipment applied to a diversion canal and an assembly method thereof. The cofferdam equipment comprises a longitudinal cofferdam, transverse cofferdams, a power boat, anchoring devices and supporting trusses, wherein the longitudinal cofferdam is pressed on a canal bottom lining board; the transverse cofferdams are pressed on a canal slope lining board and are separately connected to the two ends of the longitudinal cofferdam to form a U-shaped cofferdam; the restored board to be lined of the diversion canal is positioned within an envelope range of the U-shaped cofferdam; the two supporting trusses are separately mounted between the two transverse cofferdams; the two or more anchoring devices are fixedly arranged on a canal embankment; each anchoring device is connected to the longitudinal cofferdam or the transverse cofferdams through anchoring chains; and the power boat is positioned at the water side of the longitudinal cofferdam. The longitudinalcofferdam and the transverse cofferdams are assembled on water, are injected with water to sink, are positioned by the anchoring chains, float after water pumping, and are dismounted, so that zero emission of the canal can be realized.

The invention discloses application of fibroin and a fruit and vegetable storage method. The fibroin is applied to the preparation of a fruit and vegetable anti-cold-injury agent. The fruit and vegetable storage method comprises the following step that the fruit and vegetable anti-cold-injury agent containing the fibroin is applied on the surfaces of fruits and vegetables. According to the scheme,the fruit and vegetable anti-cold-injury agent has a good application effect on the storage of bananas and other fruits and vegetables. According to the technical scheme, the utilized fibroin can form a layer of edible protein film on the surfaces of the fruits and vegetables, the stable structure and excellent mechanical barrier characteristics of the film can be kept due to the fact that the fibroin contains a large number of hydrogen bonds and disulfide bonds and has hydrophobic interaction force, and the fibroin can significantly inhibit the decrease of cell membrane lipids in fruit peeltissue, thereby reducing the symptoms of cold injuries. The fibroin is natural, nontoxic and harmless, is easily soluble in water, and does not need to be treated with other chemical additives, therefore, after the fruit and vegetable anti-cold-injury agent is adopted, no harmful chemical substances can remain on the surfaces of the fruits and vegetables, so that the fruits and vegetables are safer and healthier, and the edible film formed by the fibroin is completely soluble in the water and does not pollute the water after use.

The invention discloses an application of euphausia superba powder in preparing color-enhancing feed for gold arowana and the color-enhancing feed for the gold arowana. The color-enhancing feed is prepared from the following components in mass percentage: the euphausia superba powder 5%-70%, soy protein concentrate 1%-20%, cicada pupa powder 1%-7%, barley pest powder 1%-10%, cake flour 5%-24%, beer yeast powder 2%-10%, starch 1%-10%, brine shrimp 4%-20%, spirulina 2%-4%, soybean phospholipid 2%-4%, betaine 2%-4%, soybean oil 1%-3%, a vitamin compound 1%-2.5%, a mineral element compound 2%-5%, an immunoenhancer 1%-5%, bifidobacteria 0.5%-5%, plum flowers 0.5%-2%, rhodotorula glutinis 0.1%-1% and persimmon red pigment 0.1%-1%. The color-enhancing feed has good color-developing and color-enhancing effects on the gold arowana and fish bodies appear a bright color after 7-day eating and the color does not fade. The feed has good intake stimulating performance and can enhance immunity, stress resistance and survival rates.

The invention provides a capsule pressure-stabilizing tank. The tank comprises a tank body and an inner bag arranged in the tank body. The top of the tank body is welded with an upper seal head and the bottom is welded with the lower seal head; the inner bag is used for separating the tank body into an air chamber and a water chamber; the bottom of the tank body is provided with a flange and the lower seal head for welding and fixing; and the middle of the flange plate is welded with a water inlet and outlet connecting pipe communicated with the water chamber, and the flange plate and the flange bolt are connected to realize sealing. The tank only provides a flange at the bottom, which has low cost and reduces the risk of leakage of the top flange with good sealing and no air leakage, which saves space. The tank is convenient fastening with low cost, which does not pollute water quality, and is convenient to charge and discharge; the tapered inner capsule can reduce the stress fatiguecaused by the pressure increase of the inner capsule and improve the service life of the inner capsule.