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41results about How to "With filter" patented technology

Irrigation and drainage integrated device suitable for underground high water level

InactiveCN102919102AContribute to high and stable productionAchieve drainageConstructionsSoil drainageWater storageSubsurface irrigation
The invention discloses an irrigation and drainage integrated device suitable for a high underground water level. The irrigation and drainage integrated device comprises a set of underground irrigation pipelines, an underground water conveying pipeline, a water storage pool body, a water inlet pipe, a water outlet pipe, a water pump and two automatic control valves of the water pump, wherein one end of each underground irrigation pipeline is connected with the underground water conveying pipeline; a water permeable film is mounted at the other end of each underground irrigation pipeline; the underground water conveying pipeline is connected with the water inlet pipe; the water inlet pipe is connected with the water storage pool body; the first automatic control valve is mounted on the water inlet pipe; one end of the water outlet pipe is connected with one side of the water inlet pipe; the other end of the water outlet pipe is connected with the water storage pool body; and the water pump and the second automatic control valve are respectively mounted on the water outlet pipe. According to the irrigation and drainage integrated device, redundant underground water can be drained under higher underground water level of farmland and is stored in the water storage pool body, and infiltrating irrigation is carried out through the underground irrigation pipelines under lower underground water level, so that the irrigation and drainage functions are achieved, the water resources are saved and high and stable yield of crops can be facilitated.
Owner:HOHAI UNIV

Method for producing conductive geotextile

The invention relates to a production method, in particular to a method for producing conductive geotextile. The method for producing the conductive geotextile comprises the steps of raw material selection, raw material screening, drying, fusion, spinning, cross air blow cooling, airflow drafting, swinging, net laying, mixed even feeding of metal fibers, carbon fibers and other short fibers, ironing conducted by a hot roller, shaping conducted by a pre-needle machine, reinforcing shaping conducted by a first main needle machine, repair shaping conducted by a second main needle machine, cloth containing conducted by a cloth containing machine, trimming and rolling. The geotextile produced according to the method for producing the conductive geotextile has the protective performance, the isolating performance, the waterproof performance, the filtering performance and the like of traditional geotextile, further has the conductive characteristic and is a good electrode material. According to the method for producing the conductive geotextile, the production technology is stable, control over the thickness of a material is good, the control range of the puncture density is large and is 50 to 500 stitches/cm<2>, the controllable range of the permeability performance of the material is large and is (1.0-9.9)*(10<-1>-10<-3>)cm/s, the strength of the product is high, and the thickness reaches 20mm.
Owner:大连格尔迈斯合成材料有限公司

Residual heat removal facility for spent fuel shipping flask

The invention discloses a residual heat removal facility for a spent fuel shipping flask. The residual heat removal facility for the spent fuel shipping flask comprises a water filling loop, an air inflation loop, a gas-water discharging loop, a gas-water separator and a gas exhausting loop, wherein the water filling loop and the air inflation loop share one three-way valve and then are sequentially connected with the gas-water discharging loop, a cooling system, the gas-water separator and the gas exhausting loop by virtue of a pipeline. The residual heat removal facility for the spent fuel shipping flask can independently complete functions such as water filling and boron dissolution, water filling and exhausting, circulation cooling, cooling of exhausted gas, steam-water separation, air filtration and water drainage from a container, and single equipment can meet residual heat removal technological requirements of the spent fuel shipping flask. The residual heat removal facility for the spent fuel shipping flask is added with a water filling and boron dissolution technology in use; and the technology is used for dissolving boron crystals in the loop and preventing the loop from being blocked, so that the technology is more complete. The residual heat removal facility for the spent fuel shipping flask adopts an immersion heat exchange method, a heat exchange component is directly immersed into an immersion heat exchanger, heat exchange effect is good, and structure is simple.
Owner:NUCLEAR POWER INSTITUTE OF CHINA

Material stirring device for compound fertilizer production

The invention provides a material stirring device for compound fertilizer production. The material stirring device comprises a stirring drum, a workbench, a rotating shaft, gear rings, gears, driven wheels, driving wheels, conveying belts, servo motors, an infrared-heating lining plate, a feed inlet, a vibrating screen, a discharge outlet and an exhaust valve; two ends of the stirring drum are arranged on the support of the workbench through the rotating shaft, and a sealing pair is arranged between the rotating shaft and the stirring drum; the gear rings are arranged on the outer side of the stirring drum and are meshed with the gears, the gears are connected with the driven wheels through the connecting shaft, and the driven wheels are in transmission connection with the driving wheels of the servo motors through the conveying belts; the feed inlet and the discharge outlet are arranged in the drug wall of the stirring drum, the vibrating screen is arranged on the inner side of the stirring drum, the infrared-heating lining plate is arranged on the inner wall of the stirring drum, and the exhaust valve is arranged on the side wall of the stirring drum. The material stirring device has the advantages of functional diversities of stirring, drying and screening.
Owner:TIANJIN SHIYIDE FERTILIZER

Method for preparing polypropylene fiber earthwork cloth composite drainage net having anti-filtration drainage function

InactiveCN106968051AWith filterWith drainage performanceRoadwaysLiquid repellent fibresAntioxidantWater capacity
The invention provides a preparation method of a polypropylene geotextile composite drainage net with reverse filtration and drainage function, which is characterized by comprising: mixing high melt index isotactic polypropylene chips with anti-aging agent and cooling masterbatch and then pouring into the material The silo is fed into the screw extruder. After melting, extrusion, filtration and metering, it is ejected from the spinneret hole. After cooling by side blowing, it enters the drafting system for drafting. Under the action of downward suction, it is evenly adsorbed on the mesh curtain, and then reinforced by pre-needling and main needling to obtain a polypropylene geotextile; the above-mentioned polypropylene geotextile is treated with hydrophobicity on one side to obtain unidirectional water-conducting performance; The polypropylene geotextile with hydrophobic treatment on one side is combined with the geonet core to obtain the polypropylene geotextile composite drainage net with the function of reverse filtration and drainage. The composite of the geotextile with unidirectional water-conducting ability and the geonet core can accelerate the drainage of the water retained in the roadbed and the bottom groundwater.
Owner:DONGHUA UNIV

Corncob cellulose foaming material as well as preparation method and application thereof

The invention provides a corncob cellulose foaming material as well as a preparation method and application of the corncob cellulose foaming material. The corncob cellulose foaming material comprises the following raw materials which are taken as components: a corncob cellulose and enhanced cellulose solution, a foaming agent and a pore-forming agent. The preparation method of the corncob cellulose foaming material comprises the following steps: (1) mixing the foaming agent and the pore-forming agent in a formula ratio with the corncob cellulose and enhanced cellulose solution to obtain a mixture; (2) injecting the mixture into a mould to be foamed and molded, so as to obtain a molding material; (3) washing the molding material and drying to obtain the corncob cellulose foaming material. The corncob cellulose foaming material has the functions of buffering, shock absorption, heat preservation, filtration and the like and has outstanding elasticity, and can be widely used in industries of furniture, automobiles, packaging and the like; furthermore, the corncob cellulose foaming material is non-toxic and degradable, and has no toxicity to soil or air, and further is simple in preparation method, capable of being used in a large scale and favorable to rural economic development.
Owner:SHANDONG SHENGQUAN NEW MATERIALS CO LTD

Liquid dispenser used for compressor and compressor thereof

The invention discloses a liquid dispenser used for a compressor and the compressor of the liquid dispenser. The compressor comprises a compressor body. The liquid dispenser comprises a tube, a cushion plate and a filtering net. The tube is arranged on the compressor body in a sleeved mode, a tube cavity is limited in the tube, the tube is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the tube cavity, and the air outlet is suitable for being communicated with the compressor body. The cushion plate is arranged on the inner wall or the outer wall of the tube, and the cushion plate is used for blocking liquid refrigerants in the tube cavity from flowing into the air outlet. The filtering net is arranged on the inner wall or the outer wall of the tube so as to filter the refrigerants in the tube cavity. The liquid dispenser used for the compressor has the functions of liquid dispensing, liquid storage, impurity filtering and oil return. Besides, the tube is arranged on the compressor body in a sleeved mode, when the liquid dispenser is used for the compressor, eccentric mass of the compressor is little, pipeline vibration is little, air absorbing resistance of the compressor is reduced, and performance of the compressor is improved.
Owner:GUANGDONG MEIZHI COMPRESSOR

Self-filtering water storage planting auxiliary device

PendingCN110326462AMeet the requirements of ecological environment restorationWith water retentionSelf-acting watering devicesGrowth substratesAridFiltration
The invention discloses a self-filtering water storage planting auxiliary device which comprises a barrel-shaped water storage tank, wherein a plurality of pillars are vertically arranged in the waterstorage tank; the lower ends of the pillars are fixedly connected with the water storage tank; the upper ends of the pillars are fixedly connected with a filter layer; a water delivery channel and acylindrical cultivating device are vertically mounted on the filter layer; the water delivery channel is located in the cultivating device; when the auxiliary device is used, the space enclosed by thecultivating device, the filter layer and the water delivery channel is filled with a nutrient substrate, the nutrition substrate forms a cultivation layer, the top surface of the cultivation layer isa concave surface, and the upper end of the water delivery channel extends outside the top surface of the cultivation layer. The auxiliary device has the functions of water retention, fertilizer conservation, water storage, heat preservation and filtration; after degradation, the auxiliary device can provide required nutrients for subsequent growth of plants, is suitable for vegetation restoration in arid and semi-arid regions of Northwest China, can create stable plant communities, saves a lot of construction costs and maintenance costs, and meets the requirements for bare surface ecologicalenvironment recovery caused by exposed surface and engineering construction in arid and semi-arid regions.
Owner:NORTHWEST RES INST CO LTD OF C R E C

Coal pyrolysis gasification polygeneration device and process based on circulating fluidized bed

InactiveCN103881761BRealize hierarchical optimization utilizationTo solve the purpose of efficient purificationFluidized bed combustionCombustible gas productionElectricityCombustion
The invention discloses a coal pyrolysis gasification poly-generation device and process based on a circulating fluidized bed. A circulating fluidized bed boiler is organically coupled with a moving bed coal pyrolysis reactor and a moving bed gasification furnace, the high temperature circulation ash of the circulating fluidized bed boiler is used as a carrier for pyrolyzing high volatile coal steam coal from a coal funnel in the moving bed coal pyrolysis reactor, the semicoke generated in pyrolysis is separated out from the pyrolysis reactor and is fed into the moving bed gasification furnace for gasification, and at the same time the moving bed gasification furnace is used as a device for purifying a pyrolysis coal gas, thereby achieving the function of on-line dust collection of the pyrolysis coal gas. The gasified activated coke as a byproduct is discharged outside the reaction system. Therefore, through organic combination of three procedures, including pyrolysis, gasification and combustion, graded optimized utilization of the coal resource is achieved, joint production of heat, electricity, tar, coal gas and activated coke is achieved, and meanwhile the purposes of gasifying the coal gas and efficiently purifying the pyrolysis coal gas are achieved.
Owner:SHANXI LUAN MINING GRP +1

A kind of production method of conductive geotextile

The invention relates to a production method, in particular to a method for producing conductive geotextile. The method for producing the conductive geotextile comprises the steps of raw material selection, raw material screening, drying, fusion, spinning, cross air blow cooling, airflow drafting, swinging, net laying, mixed even feeding of metal fibers, carbon fibers and other short fibers, ironing conducted by a hot roller, shaping conducted by a pre-needle machine, reinforcing shaping conducted by a first main needle machine, repair shaping conducted by a second main needle machine, cloth containing conducted by a cloth containing machine, trimming and rolling. The geotextile produced according to the method for producing the conductive geotextile has the protective performance, the isolating performance, the waterproof performance, the filtering performance and the like of traditional geotextile, further has the conductive characteristic and is a good electrode material. According to the method for producing the conductive geotextile, the production technology is stable, control over the thickness of a material is good, the control range of the puncture density is large and is 50 to 500 stitches / cm<2>, the controllable range of the permeability performance of the material is large and is (1.0-9.9)*(10<-1>-10<-3>)cm / s, the strength of the product is high, and the thickness reaches 20mm.
Owner:大连格尔迈斯合成材料有限公司

Pipeline capable of being pre-buried in rare earth dump leaching field

The invention discloses a pipeline capable of being pre-buried in rare earth dump leaching field. The pipeline is characterized in that the pipeline comprises a pipeline body, a three-dimensional hole net is arranged in the pipe wall of the pipeline body, and the three-dimensional hole net comprises a plurality of layers of transverse hole channel nets arranged at intervals in the axial direction of the pipeline body; the transverse hole channel nets comprise inner water seepage hole channel nets, middle hole channel nets and outer water seepage hole channel nets which are sequentially distributed from inside to outside; the inner water seepage hole channel nets comprise a plurality of inner water seepage holes which are evenly distributed in the circumferential direction of the pipeline body, one end of each inner water seepage hole communicates with the corresponding middle hole channel net, and the other ends of the inner water seepage holes are arranged on the inner wall of the pipeline body; the outer water seepage hole channel nets comprise a plurality of outer water seepage holes which are evenly distributed in the circumferential direction of the pipeline body, one end of each outer water seepage hole communicates with the corresponding middle hole channel net, and the other ends of the outer water seepage holes are arranged on the outer wall of the pipeline body; and the hole diameter of the inner water seepage holes, the hole diameter of hole channels in the middle hole channel nets and the hole diameter of the outer water seepage holes are gradually increased from the outer wall of the pipeline body to the direction close to the inner wall of the pipeline body. The pipeline has the functions of being capable of achieving reverse filtration and drip infiltration and not prone to blockage.
Owner:NANCHANG UNIV

A pipeline that can be pre-buried in a rare earth heap leaching field

The invention discloses a pipeline that can be pre-buried in a rare earth heap leaching field, which is characterized in that it comprises a pipeline, and a three-dimensional hole network is arranged in the pipe wall of the pipeline, and the three-dimensional hole network includes several layers spaced along the axial direction of the pipeline Arranged transverse pore network, the transverse pore network includes the inner seepage pore network, the middle pore network and the outer seepage pore network distributed sequentially from the inside to the outside. The inner seepage holes connected by the channel network, the other end of the inner seepage hole is arranged on the inner wall of the pipeline, and the outer seepage water channel network includes a plurality of outer seepage water holes uniformly distributed along the circumference of the pipeline, one end of which is connected to the middle channel network, and the outer seepage water hole The other end of the hole is arranged on the outer wall of the pipeline; the apertures of the inner seepage holes, the apertures of the middle channel network and the outer seepage holes all gradually increase from the outer wall of the pipeline to the inner wall of the pipeline. The invention has the functions of reverse filtration, drip seepage and not easy to block.
Owner:NANCHANG UNIV
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