34results about How to "No longer pollute" patented technology

The invention relates to a waste gas purification system. The waste gas purification system comprises a water tank and an oxidation tank filled with oxidizing agents, wherein a first gas inlet pipe and a first gas outlet pipe are arranged on the water tank; a second gas inlet pipe and a second gas outlet pipe are arranged on the oxidation tank; the first gas outlet pipe is communicated with the second gas inlet pipe; a concentration determination device which is used for determining the concentration of harmful gas in waste gas is connected to the second gas outlet pipe; a three-way flow divider valve is arranged at an outlet of the concentration determination device; a flow divider port of the three-way flow divider valve is connected with the second gas inlet pipe, and another flow divider port of the three-way flow divider valve serves as a gas exhaust port of the whole system. The concentration of the harmful gas is tested, and the three-way flow divider valve is controlled according to a test result; when the concentration is in accordance with an environmental protection emission standard, the harmful gas can be directly emitted; when the concentration exceeds the standard, the harmful gas enters the oxidation tank through a pipeline for re-purification; the whole system can be used for effectively treating various harmful substances such as dust, sulfide and nitrogen oxide contained in the waste gas and peculiar smell in the waste gas; the emitted gas no longer pollutes the environment.

According to the invention, the loose coal is displaced from the peaks to the valleys of the waves on the narrow, long coal cake and is beaten down on the coal cake. The inventive device comprises at least one scraper (12) and at least one vertically movable impact plate (13) that are disposed one behind another and are fitted with a connection (7) to a holder. Furthermore, means are provided for generating a relative movement between the scraper (12) and the impact plate (13) and between the scraper (12) and a stamping form. The scraper (12) and the impact plate (13) are interconnected by means of a device frame (14) so as to form a structural unit (6) that is connected to the holder. Preferably, the structural unit (6) can be moved along the stamping form and is equipped with a drive unit. For this purpose, the holder encompasses a guide that extends along the stamping form as well as a carriage or a car which can be slid or moved on said guide and to which the unit (6) is connected with the aid of a boom.

The invention relates to a fixed sludge-free reproductive microorganism sewage purifying and treating device belonging to the technical field of sewage treatment. The middle part of an aeration basin of the fixed sludge-free reproductive microorganism sewage purifying and treating device is provided with an air blocking tank, the inner part of the aeration basin is partitioned into a left part and a right part by the air blocking tank, organism nests are arranged in the left part and the right part of the aeration basin and are fixed by grids, and an outlet of an aeration pipeline is positioned in the air blocking tank. When the fixed sludge-free reproductive microorganism sewage purifying and treating device is used for treating the sewage, the sewage collected in a water collecting basin flows through an adjustment basin to be adjusted in the quality and enters the aeration basin to be treated and purified by three layers of biomembranes on the organism nests, then the purified sewage enters a settlement basin for settling sludge, and finally the sewage is sterilized in a sterilization basin and discharged after reaching the standard. Organic matter in the sewage treated in the invention is discomposed and degraded by microorganisms so that the sewage meets the requirements of environmental protection, and the invention has the advantages of simple process, low cost, stable system treatment and no sludge discharge and can be widely applied to the treatment of organic industrial wastewater and urban domestic sewage.

The invention relates to the technical field of seedling culture, in particular to containerized seedling substrate, and aims to overcome the defect that the prior seedling substrate is poor in breathability, deficient in nutrition and poor in fertilizer and water retention. The seedling substrate comprises, by weight percent, 20-25% of humus, 8-17% of bran coat, 8-40% of peat, 2-4% of organize fertilizer, and 25-45% of discarded mushroom stick. The formula of the seedling substrate is reasonable, the seedling substrate is fully nutrient, the added bran coat quickly increases breathability of the substrate, oxygen required for breath of roots of the seedlings being cultured can be supplied, root rot rarely occurs to the seedlings being cultured, and the survival rate of the seedlings is increased greatly.

Method for removing loose coal from corrugated surfaces of long narrow coal cake (1) comprises moving the loose coal from peaks into troughs and holding on the coal cake. An independent claim is also included for a device for carrying out the above method comprising stripping units and vertically moving impact plates arranged behind each other with a connection (7) to a holder (8). Preferred Features: The stripping units and the impact plates can be adjusted in height. The stripping units and the impact plate are connected together to form one component (6).

The invention discloses a biological coupled nitrogen and phosphorus removed sewage purification and regeneration treatment method and a biological coupled nitrogen and phosphorus removed sewage purification and regeneration treatment system. The method comprises the following steps of: delivering the sewage to a sand settling and water collecting tank; delivering the sewage subjected to sand settling treatment to a regulating tank, and then delivering the sewage to a biological coupled purification tank; delivering the water purified by the biological coupled purification tank to a biological filter tank, finally filtering and removing mixed suspension, and introducing the discharged water to a disinfection tank to perform disinfection; and discharging or recycling the disinfected final water. The system comprises the sand settling and water collecting tank, the regulating tank, the biological coupled purification tank, the biological filter tank and the disinfection discharge tank connected sequentially. According to the biological coupled nitrogen and phosphorus removed sewage purification and regeneration treatment method and the biological coupled nitrogen and phosphorus removed sewage purification and regeneration treatment system, the system has the advantages of long service life, simple daily operating maintenance, low energy consumption, high efficiency and low cost, does not generate secondary pollutants such as sludge, stench and the like; and synchronous nitrogen and phosphorus removal and decomposition of carbon-containing organic substances are realized.

The invention relates to a method for preventing and controlling pests, in particular to a method for controlling stored grain pests such as corn weevil, grain beetle, red corn beetle, and long-horned plank beetle by using ozone technology. Its main control steps are mainly composed of three steps: sealing, deworming and killing insects. It has the following characteristics: 1. It no longer pollutes the environment, and there is no residue. Because ozone decays quickly at normal temperature and pressure, it only takes 20-50 minutes to form oxygen and oxygen ions; 2. It has no major impact on the health of employees and will not cause occupational diseases; 3. It will not produce resistance to pests for a long time sex.

The invention provides a gas welding protection device used for welding parts of a refrigerating system. The gas welding production device is characterized by comprising a welding die, wherein the welding die is provided with a gas injection port and at least one positioning slot used for accommodating the welded parts of the refrigerating system, a gas pipeline through which protective gas flowsis arranged in the welding die, one end of the gas pipeline is connected with the gas injection port, the other end of the gas pipeline is connected with the welded parts used for the refrigerating system, and sealing structures are arranged at the positions where the gas pipeline is connected with the parts used for the refrigerating system. The gas welding protection has a simple structure, doesnot take up additional space, does not use or reduce pickling treatment, effectively reduces the cost of an enterprise and reduces the harm of toxic and harmful dangerous chemicals, plays the effectsof energy saving, emission reduction and environmental protection, and does not affect the technical requirements of a product.

Disclosed is an operable transmission, comprising toothed wheels. In order to operate said transmission with a lubricant and coolant which is environmentally friendly while providing improved heat dissipation and temperature-independent viscosity, the transmission contains a mixture of water and a glycol or similar, in which graphite particles are suspended. Preferably, said mixture contains 40 to 60 percent per weight of the glycol and 2 to 25 percent by weight of graphite in the form of flaky graphite particles having a grain size of less than 12 micrometers, the remainder being composed of water and other admixtures and / or additives. Also disclosed are said lubricant and coolant as well as a method for starting a transmission operated with said lubricant and coolant.

The invention discloses a domestic waste treatment device which comprises a long waste sorter, a beater, a double-deck screen separator, a conveying device, a winnower blast blower and shredding equipment. Long waste and short waste are separated and shredded by the long substance sorter and the beater, the short waste enters the double-deck screen separator, the long waste enters the winnower blast blower, fine granular waste is separated to the conveying device by sieving the short waste which passes through the double-deck screen separator, the separated large granular waste also enters the winnower blast blower, heavy waste, light waste and heavier waste are separated by the winnowing of the winnower blast blower, and then the heavier waste is shredded by the shredding equipment, separated by the double deck screen separator and separated in a winnowing way so as to thoroughly separate the heavy waste, the light waste and the heavier waste. The invention thoroughly separates the waste, small materials can be used for feeding earthworms, the heaviest materials such as bricks, stones and batteries can be separated and utilized again, and other moist waste and corrodible waste can produce marsh gas and fertilizer, thereby the invention sufficiently utilizes the waste, saves the area for burying the waste of a waste landfill, has no air, earth and groundwater pollution, protects the living environment of human, and reduces the cost of waste treatment.

The invention relates to a flue thermal-arrest energy-saving device of a domestic gas water heater, comprising an outer shell. The flue thermal-arrest energy-saving device is characterized in that the bottom of the outer shell is provided with an intake pipe hole, an outlet pipe hole and a condensed water discharge outlet pipe, wherein the outer shell is internally provided with vertically and alternately arranged fins, water pipes, a left separator, a right separator and a condensing heat exchanger, the water pipes are respectively and transversally connected in series on the fins and are vertically and alternately arranged and distributed at corresponding holes; the left separator and the right separator with turned-over edges respectively extend out of the front ends and the rear ends of the corresponding holes at both ends of the water pipes on which the vertically and alternately arranged fins are uniformly distributed; the left separator and the right separator are respectively sleeved at both end parts of the water pipes extending out of the outer sides of the vertically and alternately arranged fins; the condensing heat exchanger comprises U-shaped elbows which are respectively communicated with the end parts of the water pipes extending out of the left separator and the right separator; the intake pipe hole is communicated with an intake hole pipe with a valve; the outlet pipe hole is communicated with an exhalent pipe; and the front end and the rear end of the outer shell are connected with a front cover with a flue gas inlet and a rear cover with a flue gas outlet. The invention is suitable for matched use by connecting with the domestic gas water heater.