294results about How to "Not prone to clogging" patented technology

The invention relates to a same floor draining joint for a building, in particular to a same floor draining joint for a toilet, which consists of an upper vertical pipe draining port, a lower vertical pipe draining port and at least two transverse pipe draining ports; the upper vertical pipe draining port is communicated with the upper end and the lower end of the lower vertical pipe draining port; the at least two transverse pipe draining ports are staggered in position and are arranged between the upper vertical pipe draining port and the lower vertical pipe draining port; the orientation of the inlet of at least one of the transverse pipe draining ports is equal to or nearly equal to the orientation of the upper vertical pipe draining port, and the orientation of the inlet of at least one of the transverse pipe draining ports forms an included angle of 30-100 degrees with the orientation of the upper vertical pipe draining port. The same floor draining joint is rational and scientific in structure, and is capable of realizing the same floor draining and the same floor maintenance when the draining joint is adopted in the same floor draining of the non-falling plate or falling plate; the draining is more safe; the water is not easy to accumulate in the falling plate layer even the way of the falling plate is adopted, and the accumulated water is safely and completely discharged, so as to avoid the foreign smell in the room.

The invention mainly discloses an aeration type sewage treatment device and method. The technical scheme is as follows: the device comprises a primary sedimentation tank, a biodegradation tank and a disinfection tank, wherein a filtering device is arranged in the primary sedimentation tank and comprises a filtering plate and a collection box; the biodegradation tank comprises a facultative tank, an aerobic tank and a clarifying tank in mutual connection; a biological packing frame is arranged in the facultative tank; an aeration device is arranged in the aerobic tank and comprises a lifting cylinder, a spiral aerator and a rotating disk; the spiral aerator is mounted on the upper side of the lifting cylinder; a rotating shaft of the spiral aerator penetrates the rotating disk; and aerobic microbial packing is arranged on the rotating disk. Particle impurities of sewage are removed by the primary sedimentation tank, and then the sewage enters the biodegradation tank for reacting and finally is subjected to disinfection treatment. In the invention, through multi-stage treatment of the sewage, harmful substances in the sewage are separated and degraded better, the blocking phenomenon does not happen frequently, the treatment efficiency is high while the effect is good, and the treated sewage reaches the national discharge standard.

The invention discloses a corn bionic picker and a picking method and relates to a corn picker suitable to arrange on a corn harvester and a corn picking method. The corn bionic picker comprises a rack (4), a clamping conveying mechanism and a picking mechanism. The rack (4) is fixedly connected with a rack of a harvesting mechanism and is bilaterally and symmetrically arranged in an inclined state with a low front part and a high rear part relative to the ground. The clamping conveying mechanism is formed by a pair of adjacent closed-loop conveying belts (3) arranged in parallel above the rack (4) and a pair of closed-loop grain lifting guide tapes (7) which are arranged at the front ends of the conveying belts (3) and extend towards both sides. The picking mechanism is formed by a pair of picking rollers (13) which are arranged below the rack (4), are obliquely crossed with the rack (4) and are provided with high front ends and low rear ends. A gap between the pair of picking rollers (13) and a gap between the pair of conveying belts (3) are on the same vertical plane. According to the invention, the bending and breaking principle of manually picking corn ears is simulated and the problem of damage to corns, which is caused by the existing stretching and squeezing method, can be fundamentally solved.

The invention provides a biomembrane reactor, which comprises an outer cylinder with a water inlet and a water outlet provided at the bottom part; an inner cylinder arranged in the outer cylinder, two ends of the inner cylinder are communicated with the outer cylinder, the top of the inner cylinder is lower than the top of the outer cylinder; a filling material used for filling a bio-contact oxidation tank of the inner cylinder; a filter material used for filling the biological filter tank between the inner cylinder and the outer cylinder; an aeration apparatus provided at the bottom of the outer cylinder, the aeration apparatus is communicated with the inner cylinder. The invention provides a waste water treating system and a method for treating waste water. The biomembrane reactor provided in the invention has the functions of the bio-contact oxidation tank and the biological filter tank, waste water forms a circulation between the inner cylinder and the outer cylinder under the promotion effect of the aeration apparatus, and waste water passes through the filling material used for bio-contact oxidation tank and the filter material used for biological filter tank for a purifyingprocess, thereby the effect of treating waste water can be improved.

The invention relates to a kitchen wastewater oil-water separation device. The shell is provided with a water inlet pipe; a first vertical plate (5) and a second vertical plate (6) are arranged in the shell to sequentially constitute a first oil-water separation region (7), a second oil-water separation region (8) and a water collection region (9); the upper part of the first oil-water separation region is communicated with the upper part of the second oil-water separation region; the lower part of the second oil-water separation region is communicated with the lower part of the water collection region; a stirring component (10) is arranged in the first oil-water separation region, an oil collection tank is arranged on the upper part of the second oil-water separation region, and the upper part of the water collection region is provided with a water collection tank; side plates of the water collection tank are weir plate components (11) capable of adjusting waterflow liquid level; mobile weir plates (13) in the weir plate components (11) can move horizontally along fixed weir plates (12); the mobile weir plates can be moved to adjust the waterflow liquid level; and a sloping plate component (17) is arranged in the second oil-water separation region. The kitchen wastewater oil-water separation device has primary and secondary oil-water separation, has the characteristics of simple structure and high operation stability, can lower the manufacturing cost and is convenient for maintenance and cleaning.

The invention discloses a rotational flow type fluidized bed crystallizer. The rotational flow type fluidized bed crystallizer comprises a bed body, wherein the bed body is formed by combining a cylinder and a cone cylinder; the inner diameter of the large end of the cone cylinder is equal to that of the cylinder; the cone top of the cone cylinder is of a circular arc shape; the cone cylinder is positioned below the cylinder; the large end of the cone cylinder is connected with the lower end of the cylinder; the upper end of the cylinder is closed; a seed crystal adding opening is formed in the end surface of the upper end of the cylinder; at least two feeding pipes for adding material liquid are arranged on the side wall of the lower section of the cone cylinder and are uniformly distributed around the cone cylinder at the same height; each feeding pipe is positioned in the horizontal tangential direction of the cone cylinder; a crystal outlet is formed in the cone top of the lower end of the cone cylinder; a discharging pipe for outputting mother liquid is arranged on the side wall of the upper part of the cylinder and is positioned in the horizontal tangential direction of the cylinder, and an outlet of the discharging pipe is in accordance with the rotational direction of rotational flow formed by the material liquid. In order to meet requirements of a clearance crystallization process, a cooling jacket can be arranged on the basis of the structure.

In order to overcome the defects and shortcomings of poor compatibility between cellulose and a polymer matrix, frequent hole blocking in printing, difficulty in printing of lignin/polymer 3D printingmaterial and the like, common cellulose is subjected to acidolysis by using an inorganic acid solution; then the cellulose is modified by a silane coupling agent and lignin in an alcohol solution, toobtain the lignin/microcrystalline cellulose compound. The compound serving as a reinforcing material and PLA serving as a base material are blended with an inorganic nano material, a toughening agent, a plasticizer and the like, and the reinforced polylactic acid 3D printing material with good mechanical property and 3D printing property is prepared by melt extrusion blending and wiredrawing moulding. The mechanical property of the 3D printing material provided by the invention is better than that of common polylactic acid printing materials; according to a test by an FDM type 3D printer, the 3D printing material is completely applicable to the FDM rapid prototyping technology, and the printed product has high glossiness and wood-texture appearance and can be applied to the printing of furniture, toys, artwork, model design and the like.

The invention provides a bio-organic fertilizer raw material stirring device capable of uniformly stirring, belongs to the technical field of stirring devices, and aims to solve the problem that the heating effect of heating sheets on the inner wall of a tank body is reduced when thick organic fertilizer raw materials are attached to the inner wall of the stirring device, the bio-organic fertilizer raw material stirring device comprises a movable base, and the tank body is mounted on the right side of the upper end surface of the movable base; the center part of the tank body is rotationally connected with a stirring shaft; and a driving motor is mounted on the rear side of the top of the tank body, and the driving motor is rotationally connected with a driving belt wheel and a bevel gear through a rotating shaft. A rotating shaft of a driving motor drives a driving belt wheel and a bevel gear to rotate, and then the driving belt wheel drives a driven belt wheel at the upper end of a stirring shaft to rotate through a belt, so that the stirring shaft drives external stirring blades to perform stirring operation in a tank body; and in the rotating process of the stirring shaft, the upper surface of the filter screen on the filter plate is rotationally cleaned through the cleaning brush at the lower end of the stirring shaft, so that the upper surface of the filter screen on the filter plate can be cleaned at the same time.

The invention relates to a harvester, in particular to a threshing device of a harvester. According to the technical scheme, the threshing device of the harvester comprises an underframe, a threshing frame, a main threshing mechanism, a rethreshing mechanism, a separation, cleaning and vibration screen and an impurity lifting screw, wherein the threshing frame is fixed on the underframe, both the main threshing mechanism and the rethreshing mechanism are connected to the threshing frame and disposed along the travelling direction of the harvester, the separation, cleaning and vibration screen is fixedly connected to the threshing frame and positioned between the underframe and the main threshing and rethreshing mechanisms, and the impurity lifting screw is disposed between the position below the rear end of the separation, cleaning and vibration screen and the rethreshing mechanism. The main threshing mechanism comprises a main threshing roller, a large concave screen and a main roller cover, wherein the main threshing roller is hinged to the threshing frame, the large concave screen is fixed to the threshing frame and encloses the main threshing roller, and the main roller cover covers an opening of the large concave screen. The main threshing roller is slantingly disposed along the advancing direction of the harvester. A corner between the main threshing roller and a conveying chute of the threshing device compared with the prior art is reduced, so that conveying of crops is smooth, and the shortages of the prior art are made up.

The invention discloses an artificial wetland and a construction method thereof. The artificial wetland comprises an artificial wetland pool, a layer of oyster shells serving as a filler are arranged in the artificial wetland pool, and aquatic plants are grown on the oyster shells. Therefore, compared with the artificial wetland taking sand as a filler in the prior art, the artificial wetland has the advantages that: (1) the oyster shells serve as the filler, wastes are utilized, the filler is wide in sources, low in cost and high treatment efficiency, high porosity ensures smooth flowing of water and avoids blockage, and the service life is long; and the artificial wetland is generally dredged once after 2 to 3 years, and about 1/3 of oyster shells are replaced, so the operation and management are convenient, the plants are easy to grow and kept, and the plants can be partially harvested according to growth vigor; (2) the artificial wetland has good purification effect without odor, and a few of flies and mosquitoes appear; and (3) the artificial wetland purifies and beautifies environment.

This invention relates to an aeration device of a flat-bottomed building to aerate with a combined way of raised ridge, aeration tank and a drop ridge and sets a paste ridge at the back of the tank, in which the profile line of the top of the paste ridge extends to the bottom from the top gradually along the counter flow direction in a cavity sphere, the profile line on top of the paste ridge along the current direction extends to the bottom from the top gradually at the bump section of the current and the paste ridge at the back of the cavity. Advantage: obliquity of the jet with the paste ridge is small across a ventilation tank, it's not easy to generate back flow to block the cavity, a stable cavity is formed at the flow surface of the building to reduce back flow and increase aeration efficiency, extra part is removed to improve distribution of pressure in the cavity to increase contact area of water and gas.

The invention discloses a quantitative feeding device for powdery food packaging. The quantitative feeding device comprises a support frame; the support frame is fixedly provided with a stocking tank;the bottom end of the stocking tank is fixedly provided with a feeding pipe; a first installation cover is fixedly arranged at the bottom end of the stocking tank and located at one side of the feeding pipe; the first installation cover is internally fixedly provided with a first rotating motor; the inner wall of the bottom end of the stocking tank is fixedly provided with a first rotating rod; the first rotating rod is fixedly connected with an output shaft of the first rotating motor; the top end of the first rotating rod is fixedly provided with a first bevel gear; the stocking tank is roatably provided with a second rotating rod arranged horizontally; the outer side of the second rotating rod is fixedly provided with a second bevel gear; the fist bevel gear and the second bevel gear are meshed; one side of the feeding pipe is fixedly provided with a second installation cover; and the inner wall of one side of the second installation cover is fixedly provided with a second rotatingmotor. The quantitative feeding device for the powdery food packaging is simple in structure, convenient to operate, and low in production cost, and blockage is prone to happening during feeding.

The invention discloses an ore vibrating screen for ore mining. The ore vibrating screen comprises a bottom plate, a first filtering device, a knocking device, a bracket device, a second filtering device and a motor device, wherein a first bracket, a first bending rod and a recycling box are arranged on the bottom plate; the first filtering device comprises a first frame body, a first filter mesh and a vibrator; the knocking device comprises an electric cylinder, a second bracket, a first pushing rod, a first cross rod, a first inclined rod and a knocking rod; the bracket device comprises a third bracket, a second cross rod, a second inclined rod and a first vertical rod; the second filtering device comprises a second frame body, a first fixing block, a discharge hopper, a roller, a second filter mesh, a first fixing ring and a pull line; the motor device comprises a fourth bracket, a fifth bracket, a fixed pulley, a motor, an output shaft, a sixth bracket, a first fixing rod, a third inclined rod and a second fixing rod located under the third inclined rod. The ore vibrating screen provided by the invention can effectively screen ores, and has high screening efficiency and speed.

The invention discloses a disposable spraying high-speed turbine dental handpiece, which comprises a handle and a handpiece connected with the handle. The turbine dental handpiece is characterized in that: a water-air mixing chamber is formed in the handpiece, an air inlet tube connected with the water-air mixing chamber and positioned in the handle is arranged in the handpiece, a water inlet tube connected with the water-air mixing chamber and positioned in the handle is arranged in the handpiece, the air of the air inlet tube and the water of the water inlet tube are mixed together due to pressure after entering the water-air mixing chamber to form fog, the fog is sprayed out through fog spraying holes, the number of the fog spraying holes is three, the three fog spraying holes are uniformly distributed at the front end of the handpiece, and the front end of the handpiece is provided with the three fog spraying holes which are communicated with the water-air mixing chamber to realize the fog spraying effect and are regularly and annularly distributed. The invention provides the disposable spraying high-speed turbine dental handpiece with high use efficiency, convenience and simple structure.

The present invention discloses a drainage and irrigation pipe. It includes external pipe and several external wall drainage and irrigation holes which are cut on the external pipe wall; in the pipe interior of said external pipe also a main water channel is set; on the wall of said main water channel, in the position higher than external wall drainage and irrigation holes several internal wall drainage and irrigation holes are set. Compared with existent technique, in the process of use of said drainage and irrigation pipe lots of sand-mud granules can not be fed into the drainage and irrigation interior.

The present invention relates to a coal slurry twine and the device, wherein, the power source, the reducer, the gear box, the feed bin and the material outlet hopper are arranged on the bottom frame, and the transmission shaft is a pair of shafts rotating in an opposite direction. The two rotating shafts are respectively provided with spiral cutting blades with different rotating direction, and synchronously the two rotating shafts are respectively provided with the non spiral cutting blades. The cutting blade on the crossed part of the phase positions of the left rotating cutting blade and the right cutting blade has the cutting up effect for the coal slurry. The cutting blade on the equal part of the phase positions of the left rotating cutting blade and the right cutting blade has the tearing up effect for the coal slurry. The invention makes cutting and tearing to the coal slurry after dehydration by cutting and tearing methods, and synchronously makes the coal slurry transported along the axial direction. When cutting and tearing the material with certain glutinosity, the phenomenon of glued connecting, agglomeration and blocking is unlikely to be produced, and the invention particularly has good effect for the coal slurry smashing after dehydration.

The invention discloses a liquid-based cell sheet producing system which comprises a rack, a sheet producing platform fixed on the rack, a plurality of sheet producing plates fixed on the sheet producing platform, a moving device perpendicularly connected with a bearing frame of the rack, a mechanical arm perpendicularly and slidingly connected with the moving device, a cantilever perpendicularly and slidingly connected with the mechanical arm, a reagent bottle connected with the cantilever by a catheter, and a microcomputer system controlling the moving device, the mechanical arm and the cantilever, wherein a control window is arranged on the rack, and controls the microcomputer system; and the reagent bottle comprises a waste liquid barrel, a flushing fluid reagent bottle part and a buffer fluid reagent bottle part. A liquid-based cell sheet producing method adopts the liquid-based cell sheet producing system. With the adoption of the technical scheme, the defects that a system operation mode is single, a procedure is solidified, a pipeline cannot be flushed automatically, a requirement on the quantity of specimens is strict, flux is low, energy consumption and reagent consumption material loss are great, a failure rate is high, maintenance is difficult, and equipment is costly are overcome.

The present invention provides a paper disengaging mechanism, capable of detecting distorted paper before being collected into a machine. Papers exported one by one from gate roll wheel hub (52) are holded by an elastic component of a conveying roller wheel hub (51) and a first conveying roller (10), and are transmitted to a second conveying roller (11), when the front of the paper is transmitted to the second conveying roller (11), to make the first conveying roller (10) contact to a horniness component of the conveying roller wheel hub to reduce the force for conveying paper and make the distorted paper pass through with inclined state.