94results about How to "Solve the odor problem" patented technology

The invention discloses a method for preparing mineral organic fertilizer by using surplus sludge in municipal sewage plants. The method mainly comprises the following three steps: firstly reducing sludge in a sludge thickening tank, dehydrating the reduced sludge by adopting a catalytic ozonation method, carrying out subcritical water reaction on the dehydrated sludge, and discharging solids subjected to harmless treatment; finally mixing modified attapulgite clay with the sludge subjected to harmless treatment, chicken manure and microorganism beneficial microbial agents, and fermenting the mixture to obtain the mineral ecological organic fertilizer. The method is green and environment-friendly and realizes the harmless and resourceful treatment of the sludge; the obtained mineral organic fertilizer is capable of obviously improving the structure of soil, enabling the volume-weight of soil to be reduced, the holes of soil to be increased and the ventilation and water permeability of the soil to become good and adjusting the uniform growth of crops and has a good controlled release effect, thus the quality of the crops is improved.

The invention discloses a microbial environment protectant, which is characterized by comprising mixed bacteria and a traditional Chinese medicine extract, wherein the mixed bacteria are formed by Rhodopseudomonas palustris, Bacillus Subtilis and Lactobacillus delbruckii. The weight ratio of the Rhodopseudomonas palustris to the Bacillus Subtilis to the Lactobacillus delbruckii is 3:4:7; the volume ratio of the traditional Chinese medicine extract to the mixed bacteria is 1-2 percent. The microbial environment protectant disclosed by the invention has the positive effects that through performing mixed fermentation on the compound bacterial liquid and the traditional Chinese medicine extract, the traditional Chinese medicine ingredients are further activated, and the traditional Chinese medicine ingredients and thallus exoenzyme interact to restrain the incubation of ova, and the generation of adult flies is reduced. As a traditional Chinese medicine and bacterial liquid fermentation medium is special in smell, a trapping and killing effect is performed on the adult flies, and the bad smell of a smelly source can also be effectively prevented from being emitted. The microbial environment protectant disclosed by the invention is harmless to people, is low in cost, simple in preparation process, simple and convenient in operation and remarkable in deodorization and fly killing effect. The problems that mosquitoes and the flies and foul smell exist in refuse landfills, waste transfer stations and digestion tanks are well solved, and a good effect is achieved.

The invention discloses a biological deodorant for a livestock and poultry farm. The biological deodorant for the livestock and poultry farm comprises a compound bacterium agent; the compound bacterium agent is formed by lactobacillus acidophilus, candida utilis, streptococcus faecalis, rhodopseudomonas palustris and bacillus subtilis. According to the biological deodorant, deodorization of the external environment of a livestock and poultry farm housing can be realized, at the same time, the odor is reduced from the source by adjusting intestinal flora with animal drinking probiotics, and theodor problem of the livestock farm is solved through inside and outside double adjustment.

The invention discloses an animal house exhaust temperature adjusting method which comprises a temperature adjusting method A, a temperature equalizing method B and an exhaust method C. The temperature adjusting method A includes the steps: a1, enabling air outside an animal house to enter the animal house; a2, enabling the air to enter a breeding layer in the animal house after passing a temperature adjusting device. The temperature equalizing method B includes the steps: b1 enabling the air with the temperature adjusted by the temperature adjusting method A to enter a temperature equalizing device when entering the breeding layer; b2 uniformly distributing the air in the breeding layer in the animal house. The animal house exhaust temperature adjusting method realizes ventilation and waste reduction and is good in temperature adjusting effect.

The invention discloses a river-way ecological management system. The river-way ecological management system comprises a river way and revetments, wherein a plurality of ecological biological water treatment systems and rubber retaining dams are arranged on the river way; side concrete layers are arranged on two sides of the river way, and a bottom concrete layer is arranged at the bottom of the river way; a mud collecting channel is formed in the bottom concrete layer; and micro-wetland ecological systems are arranged between the side concrete layers and the revetments and comprise rainwater channels and aquatic plants, and sewage channels are formed in the lower parts of the micro-wetland ecological systems. The invention further discloses a method for managing the river way by virtue of the river-way ecological management system. By virtue of the system and the method, sectional management and combined management are realized, so that the sewage purification efficiency is improved, the treatment period is shortened, the operation flow is simplified, the cost is lowered, and a water ecological environment of the river way is remarkably improved.

This invention relates to a method to efficiently extract diosgenin from the root and stem of dioscorea zingiberensis without fermentation, that is, a proper amount of water is added and the root and stem of dioscorea zingiberensis are pulverized. Fiber sediments and starch in the sludge are separated by a mechanical method and the pH value of the sludge is immediately adjusted to below 4.5 with acid. The adjusted and unfermented sludge is concentrated and acid hydrolyzed with the aid of hydrolysis agent. The hydrolyzed mixture is filtered to remove acid, neutralized, dried, extracted with organic solvent and crystallized so as to obtain diosgenin product.as fermentation is purposely inhibited and avoided during acid hydrolysis of the concentrated sludge in this invention, not only the stench problem is solved, but also the hydrolysis effect is greatly promoted. The extracted diosgenin product is of good crystallinity, high purity, white color and its melting point can be above 200 deg. C.

The invention discloses a compound chemical composition for deodorization and a preparation method thereof. The compound chemical composition is prepared from water, an emulsifier, a compound active component and an additive, wherein the compound active component comprises copaifera officinalis tree oil, olive fruit oil, carapa guaianensis seed oil and leptospermum scoparium branch/leaf oil. The preparation method of the compound chemical composition comprises the following steps: S1, adding a thickening agent into water or not, and uniformly stirring; controlling the technological temperatureto 20 to 90 DEG C for later use; S2, uniformly mixing and stirring the compound active component and the emulsifier for later use and controlling the technological temperature to 20 to 90 DEG C; S3,slowly adding a mixture obtained by S2 into a mixture obtained by step S1, and stirring for 5 to 60min until the mixtures are uniformly mixed; homogenizing for 5 to 30min; S4, adding a preservative and a flavoring agent and adding a pigment or not; stirring for 5 to 60min until the components are uniformly mixed, so as to obtain a finished product of the compound chemical composition for deodorization.

The invention relates to a technical preparation method of a salty agent with low sodium content, belonging to the technical field of preparation methods of food flavorings. In order to reduce the use of sodium chloride or sodium ions, various low sodium salts which are developed at present are generally prepared from sodium chloride and other salt compounds such as chlorate, carbonate, sulfate and the like, but the low sodium salts usually have lingering bitterness or metallic flavor, thereby influencing the use of various low sodium salt products. In the technical scheme of the invention, the method comprises the following steps of: taking 40-80 parts by weight of sodium chloride, 5-30 parts by weight of potassium chloride, 10-40 parts by weight of ammonium chloride and 0.01-1 part by weight of sodium tartrate; and then, stirring and mixing uniformly to prepare the salty agent with low sodium content. In the invention, the salty agent with low sodium content is prepared by mixing the sodium chloride, the potassium chloride, the ammonium chloride and the sodium tartrate according to a certain proportion, and the product overcomes the defect of foreign taste of low sodium salts, has pure taste, and is not bitter.

A heating and cooling module using a thermoelectric module is disclosed. The heating and cooling module includes a thermoelectric module; a first impeller for sucking outside air and blowing air to afirst flow path passing through a cooling side of the thermoelectric module; and a second impeller for sucking outside air and blowing air to a second flow path passing through a heating side of the thermoelectric module, and the air blown by the first impeller is moved only to the first flow path.

The present invention provides a microbial deodorization agent for removing malodor of public conveniences. The described microbial deodorization agent is a fermented liquor containing abnormal hansenula of hansenula (agamogenetic blastogenetic/sporoid hat shape/utilizable nitrate). The total count containing two yeast in its product is not less than 1X10 to the seventh power/ml order of magnitude. Said invention is a microbial fermented product using deodorization yeast as fermentation strain, in the course of spraying it has the action of absorbing NH3 in the air. Besides, it also has a special perfume.

The invention belongs to the technical field of sewage treatment of environmental engineering, and particularly relates to a device for sewage treatment. The technical scheme of the invention is as follows: a buried sewage ecological treatment system is characterized by comprising a relatively closed box body which is internally provided with a water distributing device, a macroporous high-permeability filter material layer, a denitrification anaerobic layer, a percolation layer, a drainage device and a water receiving gravel layer, wherein the macroporous high-permeability filter material layer, the denitrification anaerobic layer, the percolation layer and the water receiving gravel layer are sequentially paved in the box body from top to bottom. An air inlet is formed in a position corresponding to the macroporous high-permeability filter material layer of the box body located at the gap or on the box body. A sprinkler head of the water distributing device is arranged above the macroporous high-permeability filter material layer, and a water conveyer pipe of the drainage pipe is arranged below the percolation layer. By adopting the technical scheme, the invention provides a power-free novel buried sewage ecological treatment system which is efficiently rich in oxygen and realizes full and direct contact of sewage and air.

The invention provides a semiconductor exhaust gas treatment device. The device can efficiently, safely and reliably decompose the semiconductor exhaust gas containing PFCs, and causes the gas to be innoxious. The semiconductor exhaust gas treatment device of the invention is provided with a wet inlet scrubber (12), a reaction furnace (14), a wet outlet scrubber (16) and an exhaust fan (18); the wet inlet scrubber is connected with a chamber of a semiconductor making device by an inlet pipe (22), and washes semiconductor exhaust gas (X) discharged from the chamber by the water injected from a jet nozzle (12b); the reaction furnace carries out decomposition treatment on the semiconductor exhaust gas which is washed by the inlet scrubber by the heat generated by an electric heater (34); the wet outlet scrubber washes and cools the treated semiconductor exhaust gas which is thermally oxidized and decomposed in the reaction furnace; the exhaust fan is arranged at the downstream end of the outlet scrubber along the gas flow direction, and attracts and exhausts the semiconductor exhaust gas.

The invention provides a device for photocatalytic degradation of malodorous gas. The device comprises a lighttight container, an adjustable ultraviolet lamp in the lighttight container and multiple glass beads in the lighttight container. Outer surfaces of the glass beads are coated with TiO2 photocatalytic layers. The device for photocatalytic degradation of malodorous gas utilizes the glass beads as photocatalyst carriers, improves photocatalytic degradation effects by glass bead refraction and reflection effects, has good deodorization effects, has a simple structure, can be miniaturized, and has a wide application prospect.

The invention discloses a preparation method of microbial preparation and application thereof in leather wastewater treatment, relates to industrial sewage treatment and provides a microbial preparation for leather sewage treatment. The microbial preparation is prepared from the following effective viable bacteria of 106 to 107CFU/mL of saccharomyces cerevisiae, 106 to 108CFU/mL candida utilis, 106 to 108CFU/mL of lactobacillus fermenti, 106 to 108CFU/mL of lactobacillus casei, 105 to 107CFU/mL of photosynthetic bacterium and 105 to 107CFU/mL of micrococcus luteus. The microbial preparation can be applied to treating leather wastewater. The microbial preparation disclosed by the invention has the beneficial effects of tolerating and decomposing sulfide and lipid in leather wastewater in high efficiency, saving a part of coagulating sedimentation link in an original leather wastewater treatment technology, remarkably reducing a chemical sludge yield and effectively inhibiting growth ofmicroorganisms of putrefying bacteria and the like and solving the problem of stink generated in a wastewater treatment process.

The invention discloses a composite deodorant for removing foul smell of household garbage as well as a preparation method and application thereof, and relates to the technical field of production ofcomposite deodorants, and the composite deodorant comprises the following components: 30%-95% of water, 0.2%-15% of an adsorbent, 1%-15% of an emulsifier, 0.01%-25% of a pH regulator, 0.2%-25% of moringa pterygosperma seed oil, 0.001%-1% of a preservative, 0.0001%-1% of an aromatic, 0%-1% of a thickening agent and 0%-1% of a pigment. Through use of the composite deodorant for removing the foul smell of the household garbage and the preparation method of the composite deodorant, the foul smell which is emitted out can be covered up by use of the aromatic and reduction of the generation amount of the foul smell of the household garbage, so that the problem of the foul smell of the household garbage is fundamentally solved.

The invention discloses a garbage room. The garbage room comprises a storage room, and further comprises a deodorization system, which comprises an agent spraying structure used for spraying a deodorizing agent for deodorizing the interior of the storage chamber according to a preset strategy; the agent spraying structure has a timing mode and/or a monitoring mode, wherein in the timing mode, theagent spraying structure sprays the deodorizing agent periodically; and in the monitoring mode, when it is detected that the concentration of certain gas in the storage room exceeds a preset concentration, the agent spraying structure sprays the deodorizing agent in the storage room. The garbage room has the advantage that the problem that malodorous gas can be generated in the existing garbage room is solved through the deodorization system.

The invention relates to a biomass high solid anaerobic digestion process for the separation and backflow of active sludge, which comprises the following steps of: 1, adding biomass into a high solid anaerobic reactor, and discharging after a reaction; 2, centrifuging the discharged materials by using centrifugal equipment, wherein after centrifugation is performed, an upper layer is a supernatant liquid layer, an intermediate layer is a sludge layer, and a bottom layer is a residual residue layer; 3, allowing the intermediate sludge layer to flow back to the high solid anaerobic reactor, and adding the biomass into the high solid anaerobic reactor; and 4, discharging after the reaction, and circularly performing the steps 2, 3 and 4. By the process, the problems of low loads, long retention period of hydraulic power, incapability of separating the retention period of the sludge from the retention period of microbes and the like in the anaerobic digestion process are solved, the high-load, high-stability and high-efficiency running of the biomass high solid anaerobic digestion process can be ensured, and the high-efficiency energy utilization of the biomass is realized.

The invention discloses an aerobic fermentation-sorting recycling method for household garbage, and the aerobic fermentation-sorting recycling method comprising: spraying an aerobic fermentation promoter in the household garbage, carrying out aerobic fermentation, sorting fermented composted materials, and finally carrying out post-treatment on the sorted different materials. According to the process system disclosed by the invention, full-recycling of the household garbage is realized, totally-closed purification of the waste gas of a treatment field is realized, the wastewater is subjected to full-circulation treatment, the zero emission of the wastewater is realized, and the odor of the household garbage treatment field is eliminated; and an aerobic fermentation bin or the whole treatment field is in a semi-underground mode or even an all-underground mode, so that the situation that the garbage treatment field is dirty and smelly is completely changed.

The invention discloses a fixing agent and method for controlling nicotine loss during tobacco waste composting. The fixing agent is prepared from the following components in percentage by weight: 30 to 50 percent of bamboo charcoal powders, 3 to 5 percent of ferrous sulfate, 10 to 15 percent of calcium phosphate, and fillers (brown algae earth). The method comprises the following steps: tobacco wastes and livestock manure are primarily mixed, and the mixture serves as a composting raw material; 4 to 5 percent of the fixing agent is added into the composting raw material in percentage by weight, and uniform agitation is carried out through an agitator for mixed fermentation; as the composting goes on, a solution prepared from the fixing agent is sprayed from above during water replenishment of a compost heap. The invention can solve the problems of nicotine and nitrogen losses as well as undesirable odors during tobacco waste composting.

The invention provides an electrostatic generator dust adsorption and crawler-type garbage transmitting and recycling system applied to urban road cleaning. The electrostatic generator dust adsorptionand crawler-type garbage transmitting and recycling system applied to urban road cleaning comprises a frame, a garbage recycling module and an electrostatic dust removing module; the garbage recycling module and the electrostatic dust removing module are arranged in the frame; the garbage recycling module comprises a garbage sweeping mechanism, a belt conveying mechanism and a garbage collectionbox; and the electrostatic dust removing module comprises an electrostatic generator adsorption mechanism, a crawler-type dust transporting mechanism, an ion fan and a spraying mechanism. Compared with an existing city garbage truck, the electrostatic generator dust adsorption and crawler-type garbage transmitting and recycling system applied to urban road cleaning has the advantages that different sizes of garbage and fine dusts can be collected and treated, the mechanism of the machine can be simplified, the space usage is small, and personalized and lightweight design of the garbage truck is realized.

The invention discloses a solid waste gasification system and a gasification method thereof. At present, solid waste disposal is mainly based on incineration, which is likely to cause secondary environmental pollution. The air distribution mechanism is arranged at the bottom of the furnace body of the present invention; the primary air inlet of the air distribution mechanism communicates with the gasification fan through the one-way mixer, and the secondary air inlet communicates with the inner cavity of the furnace body through the annular air duct, and also communicates with the outlet of the one-way mixer. The tuyere; the mixed steam inlet of the one-way mixer is connected with the high-temperature steam outlet; the furnace body is divided into an upper space layer, a drying chamber, a dry distillation chamber, a lower space layer, a reduction chamber, an oxidation chamber and ash chamber; the drying chamber layout and the high-temperature steam inlet Connected dry steam nozzles, retort steam nozzles connected to the high-temperature steam inlet in the retort chamber; high-temperature steam coils are arranged in the dry chamber and retort chamber, connected to the high-temperature steam inlet and high-temperature steam outlet; Arrange the reducing gas outlet in layers. The invention continuously transforms solid waste into combustible gas and high-temperature sintered and solidified slag to achieve harmlessness.

The invention discloses an overflow port of a clean-water reservoir of a water treatment plant. The overflow mainly comprises an overflow well connected with the clean-water reservoir and is characterized in that an overflow weir is arranged in the overflow well, and overflow opening holes are formed between the clean-water reservoir and the overflow well; a shutter is arranged on the side face of the overflow well and is communicated with the outside, an insect-prevention steel wire gauze is arranged over the overflow weir, and insect-prevention steel wire gauzes are arranged over the outer side and the inner side of the shutter. The overflow port smartly combines functions of clean-water overflow and pollution prevention through the overflow opening holes, the overflow weir and the shutter to form a single body capable of realizing double-function requirements; compared with steel flared openings, steel pipes, steel hangers and the like, the overflow port disclosed by the invention has the advantages of simpleness, compactness, practicability and investment saving; when the overflow functional requirements of the water treatment plant (or a pump station) are met, the danger that the clean water is polluted is avoided; the overflow port is very suitable for being applied to the overflow of the water treatment plant (or the pump station).