41results about How to "Not easy to consume" patented technology

The invention relates to a filed track, comprising primary tracks and auxiliary tracks, wherein, the primary tracks are a plurality of longitudinal tracks which are arranged in parallel at the filed with equal row space, the auxiliary tracks are a plurality of tracks which are arranged at the two ends of the filed in parallel, and the end face distances of the auxiliary tracks and the primary tracks are constant; shifters are arranged at the auxiliary tracks, the bottom of each shifter is provided with shifting wheels capable of traveling on the auxiliary tracks, and the upper part of each shifter is provided with a transitional track which is in butted joint with the primary tracks; the height of the transitional tracks is equal to the height of the primary tracks, and the structure of the transitional tracks is the same as the structure of the primary structure. The invention also provides a production operation mainframe capable of operating on the field tracks and a water spray type watering machine. A bracket type agricultural manufacturing machine mainframe is formed by arranging various functional machines at the production operation mainframe scientifically and reasonably. The water machine has even and dense water amount, thereby avoiding the defects that the growth of crops is affected by decreased temperature of the ground, and fertilizer leaks and is lost with the water and can not be absorbed by crops due to broad irrigation.

The invention provides methods for oxidizing and degrading organic contaminants in water by utilizing a multiphase catalyst to strengthen Fenton technology and relates to methods for oxidizing and degrading the organic contaminants in the water by the Fenton technology, solving the problem that the existing methods for oxidizing and degrading the organic contaminants in the water by the Fenton technology have low efficiency of the Fenton reaction oxidizing capability, self hydroxy free radical consumption of an Fenton reagent and incomplete oxidation and degradation. One method of the invention is carried out according to the following steps of: 1, carrying out pretreatment; 2, adding iron ions and H2O2 solution into a reactor filled with a multiphase catalyst; 3, carrying out solid-liquid separation, namely, completing the oxidation and degradation of the organic contaminants in the water. The other method of the invention is carried out according to the following steps of: 1, carrying out pretreatment; 2, supplying oxygen and adding iron ions and H2O2 solution into a reactor filled with a multiphase catalyst; 3, carrying out aerobic biological treatment; and 4, carrying out solid-liquid separation, namely, completing the oxidation and degradation of the organic contaminants in the water. The two methods for oxidizing and degrading the organic contaminants in the water have the advantages of high efficiency and complete degradation.

The invention relates to a permeable reaction medium for the remediation of nitrobenzene-polluted underground water. The permeable reaction medium is granular and is formed through the cementation of zero-valent iron and straw powder by using a cementing agent; the content of the zero-valent iron and the content of the straw powder are respectively 25-35 mass% and 55-65 mass%; and the content of the cementing agent is 6-11 mass%. According to the permeable reaction medium for the remediation of the nitrobenzene-polluted underground water, the zero-valent iron and the straw powder are selectedas raw materials of a filling medium of a permeable reactive barrier, the zero-valent iron and the straw powder are cemented into a granular shape, and chemical reaction and physical adsorption can be reasonably combined, so that the permeable reaction medium has an excellent treatment effect for nitrobenzene, a short remediation cycle and no secondary pollution; the zero-valent iron and the straw powder are low in price and easy to get; on the premise of reasonable cost, the excellent treatment effect for the nitrobenzene is achieved, and thus, the permeable reaction medium has broad prospects.

The invention discloses an anode special for oxidation of a deep hole aluminum piece hard anode and an oxidation method of the deep hole aluminum piece hard anode. According to a machining method of the special anode, a titanium material TA2 with both better conductivity and strength is adopted, so that good conductivity, corrosion resistance and convenience for clamping are guaranteed, and the requirements for oxidation of the deep hole piece hard anode are met. Since the oxidation of the deep hole hard anode is special, the selection of a material which has good selectivity and that a clamp can be soaked into sulfuric acid solution for long time without being easily dissolved or oxidized is particularly important. The treatment of the special clamp is that: a TA2 titanium plate or titanium wire is subjected to treatment such as welding and then used for the deep hole piece hard anode oxidation clamp. The conduction mode is that power is supplied by the anode. The anode provided by the invention is used for oxidation; the qualification rate of products at one time can be increased by over 98 percent; and the consumption and the production cost of the clamp are greatly reduced while the product quality is guaranteed.

The invention relates to the field of electric telescopic tools, and discloses an electric push rod. The rod comprises an outer tube, an inner tube, a screw, nuts and a driving piece, wherein the twoends of the outer tube are correspondingly provided with a base and an end cover, the screw is arranged in the outer tube, the two ends of the screw are rotationally connected with the base and the nuts correspondingly, the inner tube is coaxial with the screw, one end of the inner tube penetrates into the outer tube from the end cover and is arranged outside the screw in a sleeve mode, the nuts are arranged on the inner tube, the inner tube and the outer tube are in clamped connection in the rotating direction, the driving piece is used for driving the screw to rotate, the nuts comprise a main nut and an auxiliary nut, the auxiliary nut is provided with an inserting hole, the end part, facing the auxiliary nut, of the main nut is inserted into the inserting hole, a gap is reserved betweenthe end surface and the bottom surface of the inserting hole to form an oil storage cavity, the end surface, away from the main nut, of the auxiliary nut is provided with a communicating hole, the inner wall of the communicating hole is provided with an inner thread, the screw is inserted into the communicating hole and is in threaded connection with the main nut, and the screw is in threaded connection and is tightly matched with the internal thread. The rod has the advantages of good lubrication cooling effect and long service life.

The invention discloses a non-frame spacing fully-mechanized hydraulic support and method for preventing roof leakage of an inclined loose thick coal seam, and belongs to the technical field of mining hydraulic supports. The non-frame spacing fully-mechanized hydraulic support comprises a hydraulic support body, wherein a pair of side guard plates is hinged to the left and the right of the lower portion of a front beam or a face guard of the hydraulic support body through hinge mechanisms respectively, so that the function of preventing the roof leakage phenomenon caused by the fact that a gap is formed between the front beam or the face guard between two adjacent hydraulic supports in a matched mode is achieved; and partition plates made of rubber are arranged on the upper portion of a top beam and the side guard plates of the top beam, so that the situation that a coal seam roof of a large-inclination-angle working face leaks gangue in the lateral direction of the top beam of the hydraulic support in the working face mining process due to the inclination angle is prevented, the partition plates made of the rubber enable the top beam to be capable of squeezing the roof, and therefore the anti-skid and anti-falling functions of the hydraulic support are achieved. According to the non-frame spacing fully-mechanized hydraulic support and method, the anti-skid, anti-falling and gangue leakage prevention functions of the hydraulic support can be achieved in the large-inclination-angle working face mining process, the safety coefficient of underground operation personnel in the working process is increased, and the support and material cost of coal mine enterprises is saved.

The invention belongs to the technical field of rambutan fresh-keeping agent, and in particular, relates to a rambutan fresh-keeping agent and a preparation method thereof, wherein the rambutan fresh-keeping agent includes the following raw materials in parts by weight: 2-4 parts of sodium lactate, 3-5 parts of L-malic acid, 4-6 parts of citric acid, 1.5-3.5 parts of potassium sorbate, 3-8 parts of calcium ascorbate, 0.06-0.11 part of potassium permanganate, 1-3 parts of chitosan, 11-15 parts of phosphoric acid, 0.03-0.05 part of ethoxyquinoline and 0.3-1.5 parts of gibberellin. The rambutan fresh-keeping agent has long fresh-keeping time and good effect.

The invention discloses a microfluidic chip based on dielectrophoresis / electric infiltrate effect. The microfluidic chip based on dielectrophoresis / electric infiltrate effect comprises a substrate layer, a longitudinal driving electrode layer, a dielectric layer, a hydrophobic coating layer, liquid drop layer, a hydrophobic coating layer, a dielectric layer, a transverse driving electrode layer, and a substrate layer which are laminated successively from top to bottom; the two hydrophobic coating layers are separated by a supporting layer; the longitudinal driving electrode layer comprise M longitudinal driving electrode strips; the transverse driving electrode layer comprises N transverse driving electrode strips; the transverse driving electrode strips and the longitudinal driving electrode strips are arranged in a vertically and horizontally staggered manner, and each staggered point is designed to be a control unit; the microfluidic chip is controlled by M*N driving electrode arrays. According to the microfluidic chip, using of external connection wires can be reduced greatly, so that independent control of electrodes in electrode array center part can be realized; and design and manufacturing are convenient.

The invention relates to the field of electric telescopic tools, and discloses an electric push rod, which includes an outer tube, an inner tube, a screw, a nut and a driving part. The two ends of the outer tube are respectively provided with bases and end covers, and the screw rod is arranged in the outer tube. The ends are respectively connected to the base and the nut in rotation, the inner tube is coaxial with the screw, one end of the inner tube penetrates into the outer tube from the end cover and is sleeved outside the screw, the nut is set on the inner tube, and the inner tube and the outer tube are in the direction of rotation Clamping, the driving part is used to drive the screw to rotate, the nut includes a main nut and an auxiliary nut, the auxiliary nut is provided with a socket, the end of the main nut facing the auxiliary nut is inserted into the socket, and there is a gap between the end surface and the bottom surface of the socket, An oil storage chamber is formed, and the end surface of the secondary nut facing away from the main nut is provided with a communication hole, the inner wall of the communication hole is provided with internal teeth, the screw rod is inserted into the communication hole and threaded with the main nut, and the screw rod and the internal tooth thread are connected and closely matched. The invention has the advantages of good lubricating and cooling effect and long service life.

The invention relates to the technical field of agricultural product accessory devices, in particular to an automatic spraying device for a vegetable garden. Automatic watering can be performed, no large quantity of manpower or material resources need to be consumed, convenience is brought to a user, and practicability is high; meanwhile, rainfall and other natural water sources are conveniently recycled, no large quantity of water resources are not likely to be consumed, and therefore the using reliability is improved; the device comprises a device body, a driving motor, a communication hose,a high-pressure water pump, a sprayer and a supporting plate, a working cavity is formed inside the device body, and a water inlet pipe is arranged at the left side wall of the device body; the device further comprises a humidity sensor, a sensor, a retractable frame, two sets of threaded rods, two sets of threaded pipes, two sets of driven gears, a driving gear, a chain and a servo motor; a regulating cavity is formed inside the retractable frame, the sensor is electrically connected with the humidity sensor, and the driving gear and the two sets of driven gears are sleeved with the chain; the device further comprises a flow guiding pipe, an activated carbon layer and a sliding rail, a flow guiding plate is arranged at the input end of the top of the flow guiding pipe, and the activatedcarbon layer is located above the sliding rail.

The present invention discloses a method for preparing a lightweight thermal-insulating board from alkali-gelatinized starches used as adhesive, waste plant fibers and polystyrene foams. The method comprises the followings steps: dropwise adding sodium hydroxide with certain concentration into a starch milk so as to obtain an alkali-gelatinized starch adhesive; then evenly mixing the obtained alkali-gelatinized starch adhesive with the waste plant fibers and the polystyrene foams, and putting the obtained mixture into a mold; carrying out forming and drying on the mixture so as to obtain the lightweight thermal-insulating board. The method disclosed by the present invention is simple in production process and easy to operate; and the lightweight thermal-insulating board prepared by using the method disclosed by the invention does not contain the harmful materials such as formaldehyde, therefore, the lightweight thermal-insulating board is an environmental-friendly lightweight thermal-insulating board.

The invention discloses a novel hardware rotating and cutting device. The novel hardware rotating and cutting device comprises a control box. A support is fixedly connected to the lower end of the control box. A reducing gearbox is fixedly connected to the left end of the support. The reducing gearbox is electrically connected with the control box. A transverse moving handle is arranged in the middle of the front face of a fixing plate. The transverse moving handle is movably connected with a containing frame. The middle of the support is sleeved with the containing frame. The support is fixedly connected with the containing frame through the fixing plate. According to the cutting device, cutting is conducted by the adoption of a drill bit, so that the drill bit is not consumed easily, large in hardness and capable of cutting steel easily, safety accidents are not likely to happen during cutting by the drill bit, and the safety is high; and through rotation of a gear rotating ring andhandle rotation, a gear on the handle is engaged with a gear on the gear rotating ring, workpieces can be rotated, accordingly a standard arc can be machined, and the operation is quite convenient.

This invention involves the preparation method of a kryptol containing catalyst and its related sintering equipment. The sintering equipment consists of two half-dies and one clamping apparatus. The half-dies can be combined to form a full die with one end closed and another open. The clamping apparatus can be extended into the die and work with two half-dies. This invention also provides a method to prepare kryptol containing catalyst by this sintering equipment. This method can prepare kryptol with uniformly distributed particles of catalyst by powder sintering technology.

The invention discloses a fully mechanized caving hydraulic support with no frame spacing, which is suitable for sloping fully mechanized mining face to prevent roof leakage of sloping loose thick coal seams, and belongs to the technical field of mining hydraulic supports. Including the body of the hydraulic support, a pair of side guards are hinged left and right under the front beam or the guard plate through the hinge mechanism, so as to prevent the occurrence of gaps between the front beams or the guard plates between the adjacent two hydraulic supports The function of roof leakage phenomenon; the upper part of the roof beam and the side guards of the roof beam are provided with rubber baffles to prevent the roof of the coal seam in the working face with a large inclination angle from moving along the roof beam side of the hydraulic support during the mining process of the working face due to the inclination angle. In the direction of leakage, the rubber baffle plate enables the top beam to squeeze the top plate so as to realize the function of anti-skid and anti-fall of the hydraulic support. The invention can realize the anti-skid, anti-fall and anti-leakage of the hydraulic support when the working face with large inclination angle is mined, improve the safety factor of the underground operators when working, and save the support and material cost of the coal mine enterprise.

The invention relates to a filed track, comprising primary tracks and auxiliary tracks, wherein, the primary tracks are a plurality of longitudinal tracks which are arranged in parallel at the filed with equal row space, the auxiliary tracks are a plurality of tracks which are arranged at the two ends of the filed in parallel, and the end face distances of the auxiliary tracks and the primary tracks are constant; shifters are arranged at the auxiliary tracks, the bottom of each shifter is provided with shifting wheels capable of traveling on the auxiliary tracks, and the upper part of each shifter is provided with a transitional track which is in butted joint with the primary tracks; the height of the transitional tracks is equal to the height of the primary tracks, and the structure of the transitional tracks is the same as the structure of the primary structure. The invention also provides a production operation mainframe capable of operating on the field tracks and a water spray type watering machine. A bracket type agricultural manufacturing machine mainframe is formed by arranging various functional machines at the production operation mainframe scientifically and reasonably.The water machine has even and dense water amount, thereby avoiding the defects that the growth of crops is affected by decreased temperature of the ground, and fertilizer leaks and is lost with the water and can not be absorbed by crops due to broad irrigation.

The invention discloses an anode special for oxidation of a deep hole aluminum piece hard anode and an oxidation method of the deep hole aluminum piece hard anode. According to a machining method of the special anode, a titanium material TA2 with both better conductivity and strength is adopted, so that good conductivity, corrosion resistance and convenience for clamping are guaranteed, and the requirements for oxidation of the deep hole piece hard anode are met. Since the oxidation of the deep hole hard anode is special, the selection of a material which has good selectivity and that a clamp can be soaked into sulfuric acid solution for long time without being easily dissolved or oxidized is particularly important. The treatment of the special clamp is that: a TA2 titanium plate or titanium wire is subjected to treatment such as welding and then used for the deep hole piece hard anode oxidation clamp. The conduction mode is that power is supplied by the anode. The anode provided by the invention is used for oxidation; the qualification rate of products at one time can be increased by over 98 percent; and the consumption and the production cost of the clamp are greatly reduced while the product quality is guaranteed.