3418results about How to "No clogging" patented technology

A microfluidic apparatus having a one-dimensional or two-dimensional hydrodynamic flow system to control stable and proper digitally coded bead orientation through the optical detection area of a bioanalysis system. The hydrodynamic system include one core flow, which carries the rectangular barcode beads, and sheath flows, on the sides of or about or around the outer periphery of the core flow, pull the core flow into a proper orientation. The sheath flows, at much higher flow speed but lower volume flow rate, can be pushed or pulled by vacuum, gravity, or pressure. By this method, the coded bead will align themselves in line and flow reliably, without wobbling or flipping, in the core flow channel through the detection zone. By adjusting the relative flow rate of core flow and sheath flows, the coded beads flow reliably in the flow system, thus it can be decoded and detected by an optical system accurately.

The present rice cooker includes: a follower magnet integrally formed in a rotational mixing blade to rotate and drive a rotational mixing blade; a driver magnet coupled to the follower magnet in a non-contact manner to transmit driving force; a motor for rotating the driver magnet; and a cylindrical cover having a shape of cylinder surrounding the driver magnet and engaged with a protrusion of an inner bowl for positioning. By employing such a configuration, there can be provided a rice cooker having a structure which is free from clogging with grains of rice in the case where the rotational mixing blade is provided in the inner bowl and which is capable of preventing the rotational mixing blade from falling from the inner bowl when the inner bowl is inverted.

The invention discloses a method for preparing intensified netted hollow fiber membrane, belonging to technology for preparing hollow fiber membrane. The process comprises: taking polyvinylidene fluoride as membrane material, N,N-dimethyl formamide as disslovant, polyvinyl pyrrolidon as additive, preparing membrane liquid according to a certain proportion among them; textiling hollow fiber membrane under certain temperature, pressure and dragging speed; braiding net with synthetic fiber out of hollow fiber membrane, putting intensified hollow fiber membrane sequentially through membrane producing liquid and coagulating bath; coating and congealing under certain temperature, pressure and dragging speed, and getting final product. The invention is characterized in that there is no clogging, the flow resistance is small, stretching intensity amounts to 10-50 MPa, bursting strength is 0.5-1 MPa, and the process is continous and easy for industrialization.

The invention provides an additive composition used for a high-ductility fiber-enhanced cement based composite material. The additive composition comprises, by weight percentage, 20-85% of a rheological adjusting component, 2-30% of a setting and hardening adjusting component, 1-20% of an interlayer bonding strength adjusting component, 4-40% of a volume stabilizer, and 1-10% of a water reducer. The invention further provides a high-ductility fiber-enhanced cement based composite material based on the additive composition. Through optimal design of the additive composition and aggregate, the workability and the setting and hardening speed of a material is adjusted, and the printability, constructability, and the interlayer bonding strength of the high-ductility fiber-enhanced cement based composite material in 3D printing are improved. Compared with a 3D printing building material in the prior art, the composite material shows excellent whole performance. A component made from the composite material can meet the ductility of structural requirements without steel bars, thereby solving the problem that a component made from a 3D printing building material in the prior art is finally broken in a brittle failure manner.

The invention is the improvement on a longitudinal drainage plate for silt consolidation, filter cloth and a drainage plate core, which is characterized in that fibrous hot-pressed microporous filter cloth is planar filter cloth hot-rolled by a flat roller, the filter cloth is adhered to the surfaces of convex ribs of the drainage plate core through thermal thawing or a chemical way, the filter cloth adopts silk reeling and hot-press forming separation technology, and the drainage plate core is made of co-polypropylene, thereby overcoming the disadvantages of the prior art; and the aperture of the filter cloth can be adjusted according to treated silt, the drainage plate is difficult to block, the engineering on a soft foundation after the treatment cannot have the settlement after the construction and has smooth drainage and high drainage efficiency, and the plate core has long effective service life.

The invention relates to a combined coal powder storage and supply system which comprises a coal powder storage tank, a weighing coal powder supply silo, a pulse-free coal powder supply device and a support; the coal powder storage tank is vertically arranged at the top of the support, the weighing coal powder supply silo is vertically arranged on the support below the coal powder storage tank, the pulse-free coal powder supply device is arranged below a discharging opening of the weighing coal powder supply silo, and a flexible connector in the center at the top of a sealing head of the weighing coal powder supply silo is connected with a discharging opening of the coal powder storage tank through a rotary valve; and a fluidization component is arranged on the outer wall of a conical hopper of the coal powder storage tank, and a coal powder anti-arching stirring device is arranged on a hopper of the weighing coal powder supply silo. The invention has compact structure, reasonable layout, automatic feeding and stable supply and can solve the problems frequently existing in the ordinary coal storage silo and the supply silo of birdnesting, bridging, rat hole, channeling, wall build-up, breakage, self combustion, and the like; and the invention can be widely used in any situation where the small and medium-sized industrial coal powder boilers are required.

The invention belongs to the technical field of sewage treatment, and relates to a rural domestic sewage biological treatment system, particularly a rural domestic sewage biological treatment system which has the advantages of low capital construction and operating cost, small occupied room, convenient operation and management, high sewage treatment efficiency and discharge after reaching the standard. The rural domestic sewage biological treatment system provided by the invention is connected with a rural domestic sewage discharge pipeline. The rural domestic sewage biological treatment system is characterized by comprising an ecological open septic tank, a microaeration oxidation pond, a suspended substance biological filter, an artificial wetland and a scenic pond, wherein the ecological open septic tank, microaeration oxidation pond, suspended substance biological filter, artificial wetland and scenic pond are arranged from high to low and communicated through a pipeline or ditch; the sewage flows under the gravity; and the water inlet of the ecological open septic tank is connected with the rural domestic sewage discharge pipeline. The rural domestic sewage biological treatment system provided by the invention solves the problem of large occupied area, high investment and maintenance cost and the like in other rural sewage treatment methods.

The invention discloses a dry sand maker which comprises a hollow crushing cavity (2). A hollow dust removal cavity (5) is arranged under the hollow crushing cavity (2); the upper end of a feeding channel (6) is hermetically connected with a feeding mouth (22) and the lower end (61) thereof is positioned in the dust removal cavity (5) on which an air vent (7) is also arranged; an air duct (8) is arranged in the dust removal cavity (5); the lower end (61) of the feeding channel (6) is staggered with the upper end (81) of the air duct (8) in the horizontal direction; the bottom surface of the dust removal cavity (5) is provided with an outlet (51); a dust absorption component is hermetically connected with the lower end (82) of the air duct (8) or the air vent (7) after passing through the outlet (51). The invention also provides a method for drying sand making simultaneously. By adopting the dry sand maker, the drying sand making can have the advantages of high production efficiency and low environmental pollution.

The invention relates to a 3D printing technology, and aims at providing a multistage-temperature-control-based fused deposition modeling (FDM) type 3D printing sprayer and a temperature control method. The multistage-temperature-control-based FDM 3D printing sprayer comprises a printing sprayer body and a heating device arranged at the outer part of the printing sprayer body, and is characterized in that a forming chamber inside the printing sprayer body is divided into four parts of a fuse feeding section, a transition section, a fusion section and a printing and extruding section; the heating device is divided into three sections which are correspondingly arranged at the outer sides of the transition section, the fusion section and the printing and extruding section of the forming chamber, and each section of the heating device comprises an electric heater and a temperature sensor which are independent and is respectively connected with a multistage temperature control module of an FDM type printing sprayer through a signal wire. The multistage-temperature-control-based FDM type 3D printing sprayer is capable of realizing the corresponding gradient control of temperatures of all sections of the printing sprayer and ensuring that an FDM printing material is always kept in a printable state, and can not cause the problems of layer collapse, damage and blockage due to overhigh or overlow temperature due to the adoption of single temperature control; and meanwhile, the blockage and the fracture of a wire of a conventional printing head are avoided, and the quality of formed products is improved.

The present invention is one fast forming apparatus, in which the virtual image stored in the memory of computer is tomographically treated and the tomographical treatment obtained contours are jet printed one layer by one layer with fluid onto the powder in the constituting platform for combining with powder so as to form stereo real object. The fast forming apparatus includes the jet printing mechanism and firmware interfaces of a printer or a plotter, one work platform with tomographically operating software and jet printing control firmware, and one computer with memory with stored virtual image.

The invention relates to a method for removing heavy metals in a water body, which is characterized in that common oxidizers for water treatment, such as hydrogen peroxide, sodium hypochlorite, potassium permanganate and the like, are utilized for oxidization to activate the zero-valent iron surface and continuously generate fresh iron (III) / (II) (hydro)oxide and other active components, thereby quickly and efficiently removing heavy metals in the water body, including As, Hg, Cd, Pb, Cr, Se, Sb, Cu, Zn and the like, in a mode of adsorption, precipitation, redox or the like.

The invention relates to cat litter prepared from dry bean dregs and a preparation method thereof, wherein the cat litter is used for burying excrement and urine of pets. The cat litter is prepared from the following components through a series of processes including crushing, mixing and forming according to weight ratio: 5-90 parts of dry beam dregs, 10-90 parts of plant adhesive, 20-80 parts of filling agent, 0.1-10 parts of releasing agent, 0.1-5 parts of surface active agent, 0.01-3 parts of preservative, and 1-10 parts of deodorant. According to the invention, the cat litter prepared by the preparation method provided by the invention has the advantages of being wispy and hollow in surface, low in structural density, light in weight, higher in water absorption speed and better in water absorption performance; compared with other cat litters, the cat litter has the advantages of being more saving in use amount and higher in cost performance; after being used, the cat litter can be directly washed away through a sewer and cannot be blocked; the cat litter is convenient to clean; and the cat litter provided by the invention has the advantages of being environment-friendly, non-toxic, pollution-free, strong in absorption performance, simple in production process and free from wispy dust in production and transportation processes and has a deodorization function.

The invention provides a biologic filtration method and a device for purifying industrial organic waste gas, which has high efficiency, less investment, low running cost and extensive application range of equipment. The method comprises the following steps: (1) the industrial organic waste gas is sprayed and processed in a spraying tower with a tap water spraying system to remove solid particles; (2) the waste gas enters a biologic trickling filtration tower filled with a biologic filler filled with a composite material for carrying out biologic filtration; inorganic salt nutrition liquid and active sludge which are stored in an aeration tank are evenly sprayed into the biologic trickling filtration tower by a pipeline and a spraying device, and the industrial organic waste gas is adsorbed, absorbed and degraded biologically by a biologic film attached to the surface of the biologic filler and the active sludge from the aeration tank; and (3) the industrial waste gas after being purified is discharged from a waste gas discharge port at the top of the biologic trickling filtration tower, and the active sludge is recirculated into the aeration tank for recycle after being regenerated. The invention has higher processing effect to various industrial mixed organic waste gases and wide application range, and the processed industrial mixed organic waste gases can reach the national emission standard or the emission standard of a manufacturer.

The invention discloses an automatic machine for preparing cocktail, comprising a framework, a tank disposed on the framework, a pipeline connecting the tank and a cocktail outlet, and a programmable controller, which is characterized in that the tank communicates with a liquor inlet of a multi-channel switch device through a first division pipeline system, a liquor outlet of the multi-channel switch device communicates with a liquor inlet of a meter pump through a second division pipeline system, a liquor outlet of the meter pump communicates with the cocktail outlet, and the multi-channel switch device and the drive portion of the meter pump communicate with the programmable device. The invention is provided with the advantages that more than one thousand of cocktail formulas can be memorized in the programmable controller; the cocktail is prepared quickly, thus enhancing efficiency and benefit; the plug meter pump needing no one-way valve is provided with accurate extraction volume and precise preparation; and the whole device is provided with advanced structure and convenient use, thereby realizing automatization and mechanization for preparing cocktail.

The invention discloses a method for treating coking wastewater, which belongs to the field of wastewater treatment. The method comprises the following steps that: wastewater of a coking plant enters a regulating reservoir for the adjustment of water quality and water amount, and orderly enters a hydrolytic tank, an anaerobic tank, a preaeration tank, a preliminary sedimentation tank, an aerobic tank, a secondary sedimentation tank and a coagulation reaction tank for treatment, wherein the hydrolytic tank and the preaeration tank are filled with a bio-cord filler; the sludge of the preliminary sedimentation tank refluxes into the hydrolytic tank and the anaerobic tank respectively; a clarifying solution of the secondary sedimentation tank refluxes into the anaerobic tank; and the aerobic tank adopts a moving bed bio-film reactor. The bio-cord filler adopted in the invention has short film formation time and high biomass, does not need repeated washing, and has strong shock resistance; and the moving bed bio-film reactor can fix a large amount of nitrobacteria with long generation time, and has no the problem of blocking. The method can remove high-concentration ammonia nitrogen and organic substances in the coking wastewater, and the COD and the ammonia nitrogen of treated effluent can synchronously achieve the primary standard of the national integrated wastewater discharge standard (GB9878-1996).

A detachable dust bin for a vacuum cleaner. A container is provided with a removable sidewall which has an outlet opening which is adapted to be coupled to a source of vacuum. The container includes an inlet for connecting to a passageway which is connected to a vacuum nozzle. A duct extends vertically from the inlet within the container, and then laterally toward the removable sidewall. A filter is supported along the removable sidewall having a front surface facing the outlet of the duct, and a rear surface facing the outlet opening in the removable sidewall. Dirt laden air is drawn through the filter, duct, and vacuum nozzle. Dirt is separated from the air and collected within the container.

The invention discloses a sealing grease for a shield tail of a shield tunneller, which comprises by weight the following components: basic oil 17.5-19 portions, thickener 8-15 portions, waterproof sealing material 58-65 portions, lubricant 1.5-3 portions, antioxidant 1-2 portions, anti-rust agent 0.5-1.5 portions, and tackifier 4-6 portions. The invention is of low cost, strong adhesion, good sealing performance, good pumping effect, environmental friendliness, good lubrication and steadiness, is resistant to aging and oxidation, free from separation and dry contracting during the quality warranty period of the product.

This invention is a heat pump runner type heat transferring system of sewage or surface water source. It relates to a heat transferring system. This invention resolves the question of complex technological flow, difficult clean and maintenance, high initial cost, large floor space and poor running effect. The heat transferring medium export of this system is communicated to the entry of pressure relieving devices. The export of the pressure reliving device is communicated to the entry of the heat transferring medium pump. The export of the heat transferring medium pump is communicated to the entry of the heat pump unit. The export of the heat pump unit is communicated to the heat transferring medium entry of runner type heat transferring device. The sewage directly enters into the runner type heat transferring device for initial heat transfer. The sewage or surface water source entry terminal does not need to arrange filtering net or blocking device. Its blocking will not happen.

The invention provides a construction waste smashing and recycling device which comprises a discharging device, a smashing device, a cleaning device, a cycle delivery device and a bin door. The discharging device comprises a first motor, a feeding hopper and a pre-smashing mechanism. The pre-smashing mechanism is arranged in the middle of the discharging device, and comprises a hobbing rotary shaft and a groove. The smashing device comprises a left breaking roller, a right breaking roller and a second motor. The cleaning device comprises a water inlet pipe and a sprayer. The cycle delivery device comprises a feed pipe, a discharge pipe and a third motor, and a storage plate is arranged at the lower end of the cycle delivery device. A third rotary shaft is arranged at the lower end of the third motor, and the third rotary shaft is provided with a second spiral blade. The storage plate is fixed to the right end of a bin body in a welded manner. The bin door is arranged at the right end of the bin body and provided with a handle. The construction waste smashing and recycling device can carry out smashing to avoid blocking, can carry out cycle smashing to achieve thorough smashing and can also carry out fine smashing to achieve complete smashing.

The invention provides a fixed building rubbish treatment device adopting a crushing core technique (hammer crusher) and a double-quality vibration screening core technique, wherein the rushing core technique can be used for crushing reinforced concrete containing reinforcing steel bars, braking and separating the reinforcing steel bars from equipment and generating high-quality recycled building aggregates, and the double-quality vibration screening core technique has favorable vibration track, can be used for precise screening and ensure the screening precision (other types of screening machines can not achieve the advantages). The fixed building rubbish treatment device can decompose and treat abandoned building rubbish, such as the reinforced concrete containing reinforcing steel bars and the like, to generate the high-quality recycled building aggregates; and the fixed building rubbish treatment device can break the reinforcing steel bars in the reinforced concrete so that the reinforcing steel bars are conveniently recovered without blocking and winding the equipment, thereby the whole recycling and treatment system realizes favorable mechanical production.

Disclosed is a two-ridge four-row whole-feeding peanut combine harvester. The two-ridge four-row whole-feeding peanut combine harvester comprises a driving device, a clamping conveying device, a peanut picking sorting device and a peanut lifting device, the clamping conveying device comprises a two-ridge four-row clamping conveying collecting device and a conveying device, the two-ridge four-row clamping conveying collecting device comprises a clamping chain rack and clamping chains I, II, III, IV and V, a peanut vine clamping conveying path A is achieved by meshing of the clamping chain I and the clamping chain II, a peanut vine clamping conveying path B is achieved by meshing of the clamping chain III and the clamping chain IV, the clamping conveying collecting device further comprises a clamping collecting device, and the clamping conveying path A, the clamping conveying path B and conveyed peanut vines are gathered at a position of the clamping collecting device. By means of the two-ridge four-row whole-feeding peanut combine harvester, two-ridge four-row peanut vines can be harvested, clamped and conveyed, peanuts can be picked, sorted and collected, the work efficiency of the peanut combine harvester is improved, and time costs are lowered.

The invention is a soft measuring method for mineral grinding system flooding particle index, which is made up of hardware platform and measuring software, the method includes the selection of assistant variables, case representation, acquisition of initial case in case bank, case reasoning, case storing and maintaining steps. The method uses normal computer control system and normal detector to provide online process data, through a little artificial sampling, creates the soft measuring model of mineral grinding flooding particle based on case reasoning. Compared with normal particle meter, the method reduces the cost.

The invention discloses an environment-friendly terylen low-temperature dyeing auxiliary agent taking alkyl phthalimide as a carrier and a preparation method thereof. The compositions in percentage by weight of the dyeing auxiliary agent are: 70 to 90 percent of alkyl phthalimide compound, 8 to 15 percent of concentrated emulsion 8206, 1 to 7.5 percent of castor oil polyoxyethylene ether sulphonated matter and 1 to 7.5 percent of alkyl phenol polyoxyethylene ether, wherein the alkyl phthalimide is takes as the carrier; and the concentrated emulsion 8206, the castor oil polyoxyethylene ether sulphonated matter and the alkyl phenol polyoxyethylene ether are takes as an emulsifying agent. The environment-friendly terylen low-temperature dyeing auxiliary agent is used in low-temperature dyeing of terylen and terylen-containing textile fabrics; moreover, the dyeing auxiliary agent not only has the characteristics of nontoxicity, tastelessness, environmental protection and low cost, etc., but also has the advantages of high dye uptake, excellent level dyeing property, high dyeing fastness and wide application range, etc., thereby meeting the requirements of low-temperature dyeing production of terylen-containing textile fabrics.

The invention relates to the technical field of irrigation, and discloses an intelligent sprinkling irrigation system with integration of water and fertilizer and a control method thereof. The systemcomprises a detection sub-system, a control sub-system, a fertilizer mixing sub-system and an irrigation sub-system, wherein the detection sub-system comprises a crop body sensor, a soil moisture content sensor and a soil fertility sensor; the control sub-system comprises a first receiving module, a calculation module and a comparison prewarning module; and the fertilizer mixing sub-system comprises a fertilizer mixing device. The method comprises the steps of system debugging preparation, information collection, actual demand calculation, water-fertilizer proportioning and irrigation. According to the system and method, the growing period of crops can be actively analyzed, fertilization and irrigation are provided by combining the regulation of water and fertilizer requirement of crops indifferent growing periods, abnormal growth of crops can be actively found, and administrative staff is informed; and after long time of use, pipelines of the irrigation sub-system are not easily blocked, the content of nitrogen, phosphorus and potassium of liquid remained after irrigation can be tracked, and reclaimed residual liquid does not need independent treatment during recycling, so that recycling can be convenient.

The invention discloses a gantry fermented grain automatic loading machine. The gantry fermented grain automatic loading machine comprises a gantry fermented grain loading robot, a fermented grain loading execution mechanism, a binocular vision identifying system and a control system, wherein the gantry fermented grain loading robot consists of two horizontal guide rails, two stand columns, a cross beam and a ram; the fermented grain loading execution mechanism is mounted on the ram; and the binocular vision identifying system comprises a steam running identification thermal infrared imager and a height identification thermal infrared imager, whose output ends are connected to an input end of the control system. The gantry fermented grain loading robot is excellent in loading capacity, and the performance requirement of the robot can be reduced, so that the equipment cost investment is reduced; the guide rails consisting of a flat guide rail, a V-shaped guide rail and a rack composition are adopted to bear the position deviation caused by slight displacement generated in the fermented grain loading motion process, so that the material distributing and feeding accuracy is guaranteed, and the distilling effect is improved; and the binocular vision identifying system is adopted to obtain the material surface temperature distribution and height, so that fermented grains are uniform to prevent the air way blockage and the steam pressure, and the distillation effect is guaranteed.

The invention discloses a 3D printing nozzle suitable for concrete, which comprises a feeding pipe, a motor installed at the top of the feeding pipe, a screw stirring shaft arranged in the feeding pipe, a nozzle arranged at the bottom of the feeding pipe, connected with the feeding pipe and used for A dry material delivery pipe for delivering concrete dry material into the feeding pipe, and a liquid material delivery pipe for delivering concrete liquid material into the feeding pipe, and the screw stirring shaft is driven by a motor and used for mixing and stirring the concrete and extruding it from the nozzle; The concrete is divided into dry material and liquid material, and the two are mixed at the inlet of the feeding pipe. The motor drives the screw stirring shaft to stir in the feeding pipe, so that the concrete is evenly mixed during the screw pushing process, which can reduce the concrete in the feeding process. The time in the tube ensures that the concrete will not block the tube, and the uniformly mixed concrete is extruded through the nozzle under the push of the screw stirring shaft, and is superimposed and printed according to the construction drawings. The invention also discloses a 3D printer comprising the above-mentioned 3D printing nozzle.

The invention discloses an overflow-type heat exchanger of an urban sewage source heat pump system, relating to a heat exchanger of an urban sewage source heat pump system. The invention solves the problems that the traditional heat exchanging technology has complex process flow and large occupying area in order to realize anti-plugging. The overflow-type heat exchanger comprises a first medium channel connecting chamber, a second medium channel connecting chamber and a plurality of third medium channel connecting chambers, wherein two to four medium channels at the upmost end of a pipe shell assembly are communicated in parallel through the first medium flow connecting chamber to form a first medium channel group, and the first medium channel connecting chamber is close to a medium outlet; and two to four medium channels at the lowest end of the pipe shell assembly are communicated in parallel through the second medium channel connecting chamber to form a second medium channel group, the second medium channel connecting chamber is close to a medium machine inlet, and the plurality of third medium channel connecting chambers are used for serially connecting the second medium channel group, the first medium channel group and other medium channels together. The invention is suitable for the urban sewage source heat pump system.

The invention relates to a method of soft detecting overflowing particle size index of mine-milling loop spiral grader, composed of ball mill and spiral grader and used to mill ore in mine milling working stage of preparation plant, adopting the online course data provided by routine distributed computer control system and routine detecting instrument and combining with time variable to reflect the change of mine milling medium, by a little artificial sampling, building a grader overflowing particle size soft-measuring model composed of neural network, realizing the soft measurement of grader overflowing particle size of mine milling system. It reduces the cost and maintenance working load; reduces the indeterminacy of artificial operation and enhance the time effectiveness of measurement, and at the same time helpful to realize the optimized control and operation of mine milling course.