45results about How to "Solve the sewage problem" patented technology

The invention provides a harmless comprehensive treatment process flow for municipal solid waste. The flow is an equipment assembly line for daily treating 500 tons of the municipal solid waste. The equipment assembly line comprises 10 main systems and 72 procedures: a waste sorting system, a winnowing system, a fermentation system, a fertilization system, a methane purification system, a generation system, a heat supply system, a composite board manufacturing system, a visual monitoring system and an electric device integrated control system. The municipal solid waste is divided into organic matters and inorganic matters after entering into the flow. A lot of component boards for constructions are produced by the inorganic matters, and a lot of methane is produced by the organic matters after fermentation. The methane can be used for generating electricity, burning boilers and being filled in tanks for sales after being purified. The solid organic matters can be produced to be organic fertilizers. No air pollution exists. According to the harmless comprehensive treatment process flow for the municipal solid waste disclosed by the invention, the harmful waste is changed to be harmless and useful, and is recycled. The harmless comprehensive treatment process flow has important a meaning for energy conservation and emission reduction, worker employment, agricultural development and environmental conservation.

The invention relates to an all-purpose cooking machine. The all-purpose cooking machine comprises a machine body, a multi-functional cooking area and an auxiliary area are arranged in the machine body, the multi-functional cooking area is a cooking chamber which is formed by arranging a heater, a pot body, a slice and a vegetable plate support in the machine body, an opening door is arranged on the cooking chamber, and the heater, the pot body, the slice and the vegetable plate support of the cooking chamber are distributed from bottom to top; the cooking area is provided with a heat circulation system, the heat circulation system comprises a circulation channel arranged in the multi-functional cooking area and a centrifugal draught fan arranged on the circulation channel, an exhaust inlet in one end of the circulation channel is formed above the cooking area, an air outlet in the other end of the circulation channel is back-connected into the cooking area, and therefore the heat circulation and utilization system of the cooking area is formed; the auxiliary area comprises multiple compartments which are arranged at one side of the cooking area and used for storing cooking supplies and cooking utensil. The all-purpose cooking machine has the advantages that multiple functions are achieved, occupied space is small, investment cost can be effectively lowered, and the all-purpose cooking machine is more suitable for the market demand.

The invention discloses a haze control method preventing dust via spraying colloid on exposed mud. The colloid is prepared when water-absorbing high polymer material is added to industrial waste water. By the use of the haze control method, problems of factory pollutant discharging and haze pollution can be solved; product viscosity can be adjusted; labor intensity is reduced due to mechanical spraying; and moisture and fertilizer retention or greening for large area plants can be achieved with low cost.

The invention relates to a surface rust preventing treatment process for iron art products and provides a novel spraying line production technique. The surface rust preventing treatment process is characterized in that traditional phosphating is replaced by ceramic treatment on a spraying flow production line, common urban tap water is replaced by small cluster water with activity in each washing link during spraying, and common water base degreasing fluid is replaced by small cluster water base degreasing fluid. Compared with traditional phosphating, the method uses non-phosphorus ceramic treatment for pretreatment in prior to nano spaying, and accordingly adhesive force between coating and metal can be increased evidently, and corrosion-resistant time of metal can be prolonged.

The invention relates to a separate system controlling sewage and initial rainwater pollution. The separate system controlling sewage and initial rainwater pollution comprises a rainwater pipeline, asewage pipeline and separating control units. The rainwater pipeline and the sewage pipeline are parallel. The rainwater pipeline is provided with a plurality of separating control units. Each separating control unit is connected with the sewage pipeline through a separating pipeline. Each separating control unit comprises a separating well, wherein one side of the separating well is provided witha first inlet, the other side of the separating well is provided with a first outlet corresponding to the first inlet, the first inlet and the first outlet are connected with rainwater pipeline sections on the two sides of the separating well correspondingly, and the side, close to the sewage pipeline, of the separating well is provided with a second outlet. Each separating control unit is provided with a passage control unit which is used for controlling the opening degree of the second outlet. The separate system controlling sewage and initial rainwater pollution creatively adopts a rainwater pipeline separating manner and avoids the situation that initial rainwater of rainfall, ground cleaning sewage and mixed discharge of sewage and rainwater pollute natural water.

The invention discloses a haze treatment engineering product using wastewater as a raw material, according to the method, to be more specific, a high polymer water absorbing material is added into the wastewater rich in organic matters to prepare fertilizer glue, the fertilizer glue is generally prepared by adding 0.1% to 40% by weight of the high polymer absorbent material or natural plant glue into the industrial wastewater rich in the organic matters, and stirring, the fertilizer glue is rich in the plant growth nutrition, and can provide a soil protecting layer, is moisture and fertilizer-maintaining, effectively solves the problems of sewage treatment, can also solve the problems of raise dust in exposure soil, can even adsorb dust floating in the air, and avoids secondary dust rising.

The invention discloses a device and a method for recycling phosphorus and magnesium from phosphorus ore magnesium removal liquid. The device comprises a magnesium removal liquid clarifying tank, a reaction liquid clarifying tank, a high-level reactor, a low-level reactor, a pH (Potential of Hydrogen) detection head, a pH control panel and a centrifugal machine, wherein the magnesium removal liquid clarifying tank is connected with the high-level reactor through a magnesium removal liquid feeding pump and a connecting pipeline; the high-level reactor is internally provided with a high-level reactor stirrer; one side of the reaction liquid clarifying tank is connected with the low-level reactor through a returning pump and a connecting pipeline; the other side of the reaction liquid clarifying tank is connected with a purified liquid pump; and the pH detection head is arranged at outlets of the high-level reactor and the low-level reactor and then is connected to the pH control panel. The method comprises the following steps: after introducing the magnesium removal liquid into the device, controlling reaction conditions of the high-level reactor and the low-level reactor; after carrying out solid-liquid separation and clarification operation, obtaining a magnesium ammonium phosphate hexahydrate product and purified liquid capable of being circularly utilized. Compared with the prior art, the reaction time is short, the purity of the magnesium ammonium phosphate hexahydrate product is improved and wastewater generated in a magnesium removal liquid treatment process can be circularly and repeatedly utilized.

A double-layer high-speed overhead flyover for cars is suitable for main roads or secondary main roads. The overhead flyover, corresponding to two directions A and B, is composed of a first bridge floor, a second bridge floor, four ramps, four platforms, and pillars. The overhead flyover is specially-designed for cars and is characterized by miniaturization and low weight, is less in occupied materials and is light in weight and low in cost. The overhead flyover can be manufactured and assembled from steel structures through industrial production in factories, so that a new manufacturing industry entity can be formed. The high-speed overhead flyover achieves single-layer and one-way traffic of cars; according to invention, a high-speed crossroad overhead flyover is linked to a crossroad while a high-speed T-junction overhead flyover is linked to a T-junction. The overhead flyover can create a traffic network without traffic lights for whole city, which would be a wonder of city traffic.

The invention provides a drying waste heat reutilizing integration device which comprises a drying device (1), a medium treating device (2), a compressor (3), a sprayer (4) and a heat exchanger (6). Awaste gas outlet (13) is formed in the upper portion of the drying device (1). One end of the waste gas outlet (13) is connected with the medium treating device (2). The rear of the medium treating device (2) is connected with the compressor (3). The compressor (3) is connected with the heat exchanger (6) through a pipeline. The outlet end of the compressor (3) is connected with the sprayer (4).A starting heat source (5) is connected to a pipeline between the sprayer (4) and the heat exchanger (6). The heat exchanger (6) is connected with the drying device (1). According to the system, hot wet gas exhausted by the waste gas outlet (13) returns to the drying device again after being compressed, recycling of energy is achieved, the automation degree is high, and the device is environmentally friendly.

The invention relates to a method for removing impurity of mother liquid in a preparation process of calcium carbonate crystal whisker, comprising the following steps of: (1) adding a barium chloride solid into the mother liquid in the preparation process of calcium carbonate crystal whisker; stirring the mixture to react for 0.5-2h at the normal temperature; and filtering in vacuum to obtain the mother liquid subjected to the removal of sulfate radical; (2) adding a calcium removing agent in the mother liquid subjected to the removal of the sulfate radical; introducing CO2, stirring the mixture to react until a pH value of the mother liquid is 7; stopping aeration, and filtering in vacuum to obtain the mother liquid subjected to the removal of calcium; and (3) adding a flocculating agent with mass concentration of 5 thousandth; stirring, standing and precipitating the mixture; and filtering in vacuum to remove the impurity. The invention has the advantages of simple operation and high impurity removal efficiency.

An intelligent sewage controller for toilets, belonging to the technical field of living equipment, comprising a housing, the adsorption device fixed on the housing, function buttons, and an infrared detection sensor. The battery is fixedly installed on the left side of the ejector pin slot, the single-chip controller is fixedly installed on the top of the ejector pin slot, and the first motor and the second motor are fixedly installed on the left and right sides of the ejector pin slot. The present invention has reasonable structure and clear working principle. The sewage controller is fixed on the common toilet tank cover, which is easy to install and effectively solves the sewage of the toilet and the sanitation problems of public places. It can be effectively matched with ordinary toilets and broadens the scope of use of the toilet.

The invention discloses a membrane treatment method for sulfate process titanium dioxide waste acid. The concentration of H2SO4 in the waste acid is about 20wt%, the temperature of the waste acid is 60-70 DEG C, the iron content of the waste acid is 50-70g/L, and the waste acid contains other metal ion impurities. The membrane treatment method includes: using heat exchanging to lower the temperature to 35-45 DEG C; filtering the waste acid to remove solid suspended matter; feeding the waste acid obtained after the solid impurities are removed into a membrane separation system to perform separation, and using the clean acid obtained after the membrane separation as the absorption acid to produce concentrated sulfuric acid; mixing the waste acid, containing a large number metal ion impurities, separated from the other side with 98wt% concentrated sulfuric acid to obtain sulfuric acid with the concentration being 50-60wt%; curing the mixed solution, and performing filter pressing and separation to obtain sulfuric acid, wherein the obtained sulfuric acid can be used as the initiating acid of a sulfate process titanium dioxide acidolysis procedure. The membrane method has the advantagesthat an organic membrane is directly used to treat the sulfate process titanium dioxide waste acid, and the method is small in equipment floor space, simple to operate, good in clean acid quality andcapable of reducing waste acid discharge.

The invention discloses a recyclable high efficiency filtration water purifier. The recyclable high efficiency filtration water purifier includes a shell, the inner cavity of the shell is provided with a settling tank, the right side of the settling tank is provided with a filter tank, a water storage tank is arranged on the right side of the filter tank, an activated carbon filtration plate and aquartz sand filtration plate are respectively disposed in the inner cavity of the settling tank, and the quartz sand filtration plate is installed above the top of the activated carbon filtration plate, the top at the inner cavity of the settling tank is provided with a filter slot connected to the top at the inner cavity of the filter tank, and the inner cavity of the filter slot is provided with a precision filter, a filtered water source enters the precision filter at the top of the filter tank for filtration and flows into the filter tank, the filtered impurities are collected for treatment by opening a blow-down valve, and through the water level rise in the filter tank, a second valve is opened, the filtered water flows into the water storage tank for use. The recyclable high efficiency filtration water purifier provided by the invention effectively solves the problems of circulating filtration and sewage discharge, effectively improves impurity filtration, and reduces harm to the human body.

The invention discloses a biologically active flocculating agent for treating waste water generated in production of vitamin E. The flocculating agent is prepared by the following raw materials by weight: a zeolite carrier 40% to 60%, dried active substances of algae 8% to 30%, calcium hydrate 2% to 10%, phytic acid 0.5% to 3%, aluminum sulfate 1% to 5%, active carbon 2% to 10%, an active material of a high-molecular resin 1% to 7% and diluent of potassium permanganate with a concentration of 1:3000 0.1% to 4%. A preparation method for the flocculating agent is as follows: a desired amount of zeolite is taken and crushed into particles with a fineness of 10 to 80 meshes; a desired amount of dried active substances of algae are taken and crushed into particles with a fineness of 60 to 100 meshes; a desired amount of industrial calcium hydrate is taken and crushed into particles with a fineness of 30 to 60 meshes; a desired amount of active carbon is taken and crushed into particles with a fineness of 60 to 100 meshes; a desired amount of the active material of the high-molecular resin is taken and crushed into particles with a fineness of 30 to 60 meshes; and a desired amount of phytic acid and potassium permanganate (1:3000) are taken; the solids and liquid are uniform mixed; the biologically active flocculating agent is obtained when water content in an obtained solid-liquid mixture is 5 to 10% according to determination. The biologically active flocculating agent provided in the invention has the advantages of high efficiency, cheapness and strong pertinency.

The invention discloses a breeding pond for giant salamanders, and belongs to the technical field of giant salamander breeding. The front and rear ends of the top of a pond body are laid with stone slabs respectively, a cloth clamping rod is arranged between the left and right side walls of the pond body and connected with one end of sunshade cloth, the other end of the sunshade cloth winds a roller shaft; the pond body is divided into two rows of breeding-pond single bodies arrayed in a grid shape by partition plates, wherein the first partition plates between the breeding-pond single bodiesin the front row and the breeding-pond single bodies in the rear row are provided with windows and door plates, the bottom surface of each breeding-pond single body is a V-shaped slope surface, a sewage drainage pipe is arranged at a crack of each V-shaped slope surface, sewage drainage holes are formed in the pipe body of each sewage drainage pipe, each sewage drainage pipe penetrates through thepond wall and is rotatably connected with a right-angle elbow pipe, and the top of each right-angle elbow pipe is sleeved with an inverted Y-shaped overflow pipe; the upper portion of the pond body is further provided with two water inlet pipes, and arc plates are arranged below the water inlet pipes. The breeding pond is simple, practical, convenient to operate and capable of saving the cost.

The invention provides a preparation method of triethylene glycol dibenzoate represented by the structural formula (I). The method includes the steps: in the presence of a catalyst containing anhydrous potassium carbonate, a reaction of triethylene glycol represented by the structural formula (II) and benzoic acid ester PhCOOR is carried out, and a product including triethylene glycol dibenzoate represented by the structural formula (I) and a corresponding alcohol HOR is generated, wherein R is methyl or ethyl. The method of the invention is conducive to environmental protection; and the product has high yield and good purity.

The invention discloses a preparation method of an early-strength high-efficiency alkali-free accelerator. The formula of the accelerator comprises basalt fibers, fluosilicic acid, light calcined magnesia, aluminum sulfate, polyacrylamide and triethanolamine, wherein the content of the basalt fibers is 3-5 parts, the content of the fluosilicic acid is 100 parts and is 10%-20%, the content of the light calcined magnesia is 10 parts and is not lower than 90%, the content of the aluminum sulfate is 40-50 parts, the content of the polyacrylamide is 1-2 parts, and the content of the triethanolamineis 3-5 parts. The fluosilicic acid in the raw materials is fluosilicic acid wastewater generated in the production process of a phosphate fertilizer plant, the fluosilicic acid wastewater of a phosphate fertilizer plant is subjected to waste utilization, so that the method solves the pollution discharge problem of phosphate fertilizer plants and is more environment-friendly. Meanwhile, the sprayed concrete strength and interlayer binding force are enhanced by adding basalt fibers into the accelerator, the working efficiency of tunnel sprayed concrete construction is enhanced, and the accelerator has far-reaching meanings for promoting sustainable development of China's environment and tunnel construction.