31results about How to "Strong purification function" patented technology

The invention discloses a comprehensive aquaculture device and a method based on a multi-trophic-level ecological ditch. An aquaculture pond is connected with a filter feeding type fish aquaculture area through a culvert pipe, the filter feeding type fish aquaculture area is connected with an emergent aquatic plant purification area through a water filtration partition, the emergent aquatic plant purification area is connected with a submerged plant purification area through a water filtration partition, a water filtration partition is arranged at the tail end of the submerged plant purification area, and a water pump is arranged inside each partition. The aquaculture method includes the steps that the step A, source water which is acquired on the rim and accords with fishery water quality standards is pumped into the aquaculture pond through automatic flow or a water pump; step B, the aquaculture mode of combination of high-density stocking and multiple stocking and multiple fishing is adopted; step C and step D, along with arrival of aquaculture seasons, an impeller type aerator and a water ploughing machine are arranged in the aquaculture pond; step E, fishes are stocked in the filter feeding type fish aquaculture area; step F, leakage and water evaporation are carried out, and standard source water is added into the aquaculture pond. By means of the comprehensive aquaculture device and the method based on the multi-trophic-level ecological ditch, structure is simple, aquaculture is convenient to operate, aquaculture yields are improved greatly, and water area environment is protected.

The invention discloses an air purification device adopting plasma discharge combined with a modified molecular sieve and a using method thereof. The device comprises a filter screen module, a plasma purification device, a humidification pressurization device and a detection display control module. A gas outlet of the filter screen module is connected with a gas inlet of the humidification pressurization device, another gas outlet is connected with a dry air inlet of the plasma purification device, and a gas outlet of the humidification pressurization device is connected with a wet air inlet of the plasma purification device. According to the method, air is filtered through the filter screen module to be respectively sent to the plasma purification device and the humidification pressurization device; the air enters a humidification water tank to undergo water atomization through an ultrasonic nebulizer and then is sent to a wet air leading-in pipe of the plasma purification device; and the air entering the plasma purification device is purified through corona discharge. According to the air purification device and the using method, the W type plasma purification device is adopted to be favorable for prolonging reaction time and solve the problem of squeal; dry and wet air separation is adopted to promote gas mixing, and the VOC pollutant clearance rate is high.

The present invention discloses an apparatus and a method for the ecological fishing cultivation based on the composite vertical flow artificial wetland; wherein, the apparatus adopts the water stream as the carrier among a cultivating fish pond, an artificial wetland, an ecological channel and a water compensation pond that are serially connected with each other; the cultivating fish pond is provided with a water pump and is communicated with the artificial wetland through a culvert pipe, the artificial wetland is connected with the ecological channel, and the communication position between the ecological channel and the cultivating pond is provided with a stream fall about 50 cm. The apparatus has simple structure, is convenient to cultivate the fish and obviously improves the cultivating yield, which protects the water environment while realizing the high-quality and high-efficient health cultivating of the fishes so as to realize a pond cultivating composite apparatus that can be sustainable to use.

A method for purifying pollutant river by stting up purifying regions on river beach or lake beach wet zones includes a primary purification and deep goingp urification. A pollute cut-off gate is set on the pollutant river, an outlet is set on the course in front of the gate, a deposit pool surrounded by grates stopping pollutes at the back of the outer, water from the deposit pool flows into the deep going purifying biological intensifying deposition pool cultivating suspending plants, water from it flows into distributing ditches then to the underflow wet zone pipe with a gag at the pipe outlet and an outlet on the pipe wall, limestones, cobbles are laid in layer on the pipe to let the water flow to a collecting ditch then to the surface wet zone with plants grown there and water coming out from the wet flow to the lower reach river courses.

The invention relates to a structure in the field of ecological protection and specifically relates to a tidal basin. A basin body of the tidal basin is square or round and is connected with parts of flow sections of a river; the end, connected with the river, of the basin body is provided with a water inlet, a water outlet and an arc-shaped dam, the water inlet is formed in an upstream position of the water outlet, the arc-shaped dam comprises an arc-shaped flow disturbing region arranged in a river channel and a water flowing region arranged in the basin body, and the top of the arc-shaped dam is higher than a flood water level; the edge of the other side of the basin body is provided with a revetment vegetational zone, the inner side of the revetment vegetational zone is provided with a shallow water transitional zone and a deep water fish nest region, the shallow water transitional zone communicates with the water inlet and the water outlet, and the deep water fish nest region communicates with the shallow water transitional zone; and one side of the water flowing region of the arc-shaped dam is provided with a plant stepped dam.

The invention provides a double-rear earth doping modification abrasion-resistant alloy cast iron and a preparation method thereof. A mixture is prepared, wherein the mixture comprises the following components in percentage by weight: 3.1-3.2% of C, 0.9% of Si, 0.6% of Mn, 1.0-1.5% of Cu, 0.2-0.4% of P, 0.02-0.04% of B, 0.0005% of S and Fe; in a smelting furnace, the prepared raw material is smelted at 1500-1550 DEG C to obtain molten iron; 0.01-0.4% of La and 0.01-0.7% of Ce are added in before the raw material is added into a casting ladle, and then the mixture is added into the casting ladle for ladle inoculation, wherein the inoculation time is 10+ / -2 min, and the tapping temperature of the molten iron is 1400-1450 DEG C; and casting is performed to obtain the double-rear earth doping modification abrasion-resistant alloy cast iron. The double-rear earth doping modification abrasion-resistant alloy cast iron is low in cost and high in abrasion-resistance, and is applicable to manufacture of cylinder jackets, piston rings and other friction parts of automobiles, ships and the like; and the process is simple.

The invention discloses a flue gas treatment system capable of deeply dehumidifying solution. A spraying heat recycler, a spray tower, a dehumidifier and a flue gas reheater are successively arrangedon a flue gas treatment route and are respectively used for cooling and recycling recovery, condensation and dehumidification, deep dehumidification and reduction of relative humidity of the flue gas.Besides, a cooling tower, a solution regenerator, a water-solution heat exchanger and various recycling pumps are also arranged in the system, wherein the cooling tower is used for preparing coolingwater in the spray tower; the solution regenerator is used for regenerating a rare solution after dehumidification; the regenerated solution is heated by the hot water generated in the spraying heat recycler through the water-solution heat exchanger; the hot water is also transferred as a heat source into the flue gas reheater. The flue gas treatment system is capable of performing heat recoveringand deep dehumidification on high-temperature and high-humidity flue gas, effectively avoiding environment-polluting 'white smoke' or 'chimney rain' generated in the smoke exhausting process, and simultaneously achieving an environmental protection function and an energy-saving benefit of the system.

The invention relates to a satchel with an anti-tail-gas function. The equipment comprises a satchel body, a gas-electric part, a silica gel flexible material gas outlet pipe and a carrying belt, wherein the gas-electric part is mounted at the bottom left corner of the satchel body; the gas outlet pipe of the gas-electric part is led out from the left side of the satchel body; the gas outlet pipe extends to the carrying belt along the left side of the satchel body, runs in the carrying belt to the top of the carrying belt, and led out of the carrying belt at the top; and the gas outlet end of the gas outlet pipe is connected with a mask part.