3407results about How to "No clogging" patented technology

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 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 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 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 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).

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.

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 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.