63results about How to "Adsorption immobilization" patented technology

The invention relates to a heavy metal contaminated soil remediation agent, application thereof and a contaminated soil remediation method. The heavy metal contaminated soil remediation agent comprises, by weight, 50-80 parts of sludge, 20-30 parts of biochar, 12-20 parts of organic matter, 10-20 parts of plant ash, 5-10 parts of montmorillonite clay, 5-10 parts of ferroferric oxide, 2-5 parts of sodium chloride and 3-8 parts of sodium phosphate, and preferably, the remediation agent further comprises 1-3 parts of humic acid. The invention further provides application of the heavy metal contaminated soil remediation agent and the contaminated soil remediation method. The heavy metal contaminated soil remediation agent avoids secondary pollution generated during heavy metal contaminated soil remediation, the remediation period is shortened, and the remediation effect is good.

The invention relates to a vacuum adsorber belonging to the technical field of an engraving machine. The vacuum adsorber of the invention comprises a workbench, wherein an adsorbing surface is arranged at the upper side of the workbench, and a ventilating plate is laid on the adsorbing surface of the workbench. In the engraving process, a workpiece is laid at the upper side of the ventilating plate; when a vacuum pump works, the ventilating plate is tightly adsorbed on the adsorbing surface of the workbench; and because the ventilating plate has better air permeability, the workpiece is also tightly adsorbed on the ventilating plate, thereby realizing the purpose of adsorbing and fixing the workpiece. Meanwhile, because the workpiece and the surface of the workbench are separated by the ventilating plate, the falling scraps generated by engraving the workpiece can not enter adsorbing holes, thereby ensuring the smooth operation of the engraving process.

A biological organic fertilizer comprises the following raw materials in parts by weight: 85-96 parts of crop straws, 39-42 parts of animal manure, 24-28 parts of cake meal, 20-25 parts of biogas residue, 12-15 parts of an odor removal adsorbent, 7-8 parts of an inorganic compensator, 1.3-1.5 part of saccharomycetes, 1.2-1.5 part of bacillus licheniformis, 1.9-2.2 parts of a multi-temperature-period composite strain and the balance of water. The odor removal adsorbent is added in the preparation process of the organic fertilizer, and the surface of the activated carbon in the odor removal adsorbent is grafted with amino groups and C=S double bonds, and both can carry out adsorption reaction with heavy metal Hg <2+>, CO < 2+> and the like, so that adsorption and fixation of poisonous heavymetal ions are realized, meanwhile, the activated carbon can remove residual peculiar smell in the fermented product, and the problem that toxic heavy metal ions in the existing organic fertilizer cannot be completely removed is solved.

The embodiment of the invention provides a suction cup which comprises a rigid suction cup cover. The suction cup cover comprises a cavity. The cavity comprises an opening. A pressing edge is arranged on the periphery of the opening in a surrounding manner. An elastic adsorption piece is fixedly arranged on the pressing edge. The adsorption piece closes the opening. An air extracting channel is arranged on the suction cup cover and communicates with the cavity. By means of the above structural arrangement, secondary negative pressure of the suction cup is achieved, and the adsorption piece can adsorb and fix a mobile terminal. In addition, the suction cup cover serves as the support so that adsorption of the suction cup can be more stable, it is ensured that the adsorption angle cannot be changed, and therefore the falling angle is ensured, the result of falling tests is more accurate, and judgment of researchers is facilitated. Meanwhile, even if the suction cup is used for adsorbing different mobile terminals, due to the supporting of the suction cup cover, the suction cup can achieve accurate directional adsorption, universality of the suction cup is effectively improved, and the operation difficulty of adsorption of the suction cup is lowered.

The invention discloses a sepiolite composite material loading nanocarbon hydroxyapatite as well as preparation method and application ofthesepiolite composite material. The composite material is prepared from sepiolite and nanocarbon hydroxyapatite, wherein nanocarbon hydroxyapatite is loaded on sepiolite. The preparation method comprises the steps that sepiolite powder is added into a calcium-based (phosphorus-based) solution to be sufficiently mixed, a phosphorus-based (calcium-based) solution is added then, the pH value is conditioned so that precipitation can occur to generate nanocarbonhydroxyapatite which is loaded on sepiolite, and thus the sepiolite composite material loading nanocarbon hydroxyapatite is obtained. The composite material makes nanocarbon hydroxyapatite be loaded on the surface of sepiolite, agglomeration of nanocarbon hydroxyapatite is avoided, and the superior adsorption ability of nanocarbon hydroxyapatite to heavy metal is maintained; the stability of the sepiolite composite material is enhanced, and the risks of phosphorus loss and eutrophication are avoided; the prepared material can be applied to adsorption and fixation of heavy metal elements such as lead and cadmium in water and bottom mud, and has application prospects in the field of water purification.

The invention discloses a cutting device for chip processing, and relates to the technical field of chip cutting, the cutting device comprises a bottom plate and further comprises surrounding plates fixedly arranged on the two sides of the bottom plate, the tops of the surrounding plates are fixedly connected with a top plate, and one side of each surrounding plate is rotationally connected with a feeding disc; the cutting mechanism is arranged on one side of the feeding disc and comprises a mounting rod, the mounting rod is in sliding connection with the side wall of the surrounding plate, one end of the mounting rod is rotationally connected with a cutting wheel, a linkage assembly drives a piston assembly to move, negative pressure is generated in a piston cylinder, meanwhile, a stop plate is driven to move, and rapid fixing and limiting of chips are achieved; meanwhile, the mounting rod moves up and down to drive the cutting wheel to move up and down, high-quality continuous cutting is achieved, and then the cut chips are rapidly recycled; and a supporting piece is fixedly connected between the stop block and the pushing arm, a movable assembly is arranged at the bottom of the movable block, meanwhile, the movable assembly makes contact with the linkage assembly, the piston assembly is triggered, and automatic feeding and positioning of chips are achieved.

The invention relates to an adsorbing fixture, which comprises a barrel body, a piston and at least one elastic element, wherein the barrel body is provided with a first end surface and a second end surface which are away from each other, an adsorbing cavity penetrating through the first end surface and the second end surface is formed in the barrel body, the piston comprises a pressing piece, a piston rod and a sealing head, one end of the piston rod is connected with the pressing piece, the other end of the piston rod is connected with the sealing head, the other end of the piston rod penetrates through an opening, positioned at the first end surface, of the adsorbing cavity and is contained in the adsorbing cavity, the sealing head is closely contacted with the adsorbing cavity, and the elastic element is positioned between the pressing piece and the first end surface; when the pressing piece is pushed and pressed to the adsorbing cavity from a first port, the piston rod and the sealing piece slide in a cavity, and the two opposite ends of the elastic element are respectively abutted against the pressing piece and a first barrel body. The invention also provides a workpiece machining method.

The invention discloses a ball placing mechanism for disc workpieces and belongs to the field of workpiece machining mechanical equipment. A ball conveying support is vertically and fixedly arranged on one side above a disc conveying support, a ball guide mechanism is fixedly arranged on the side, with a ball falling mechanism, of the disc conveying support, a branching mechanism is vertically andfixedly arranged on one side below the ball conveying support, a plurality of conveying disc rotating rollers are sequentially and horizontally connected to the disc conveying support in the horizontal direction in a rotating mode, limiting mechanisms are horizontally and symmetrically arranged on the part, on the two sides below the branching mechanism, of the disc conveying support respectively, a disc carrying mechanism is vertically arranged on the part, in the middle of the lower side of the branching mechanism, of the disc conveying support, a transfer disc is vertically connected to the part, on the lower side of a ball guide material pipe, of the ball conveying support in a rotating mode, and a first branch rotating disc and a second branch rotating disc are symmetrically arrangedon the two sides below the transfer disc respectively. The ball placing mechanism is reasonable in structural design and capable of continuously and accurately placing disc workpiece balls of variousdimensions, improving the production machining automation degree of workpieces and meeting machining and using demands.

The invention discloses a soil remediation method. The method specifically comprises the following process that step 1, soil with 60 cm deep at a polluted place is scooped up; step 2, the polluted soil which is scooped up is uniformly mixed with modified cyclodextrin, and pretreated polluted soil is obtained; step 3, the pretreated polluted soil is poured into a soil pit paved with composite barrier powder, then a certain amount of leaching agent is sprayed to the surface of the pretreated polluted soil, three days leaching reaction is carried out after spraying, then second spraying is carried out, and ten days leaching reaction is carried out after the second spraying; and step 4, a repairing agent is sprayed on the surface of the polluted soil treated in the step 3, and curing is carried out three to five days after spraying. According to the soil remediation method, the modified cyclodextrin is directly mixed with the polluted soil, adsorption and fixation of heavy metal ions and pesticide pollutants can be realized through the modified cyclodextrin, so that the problems that the existing heavy metal treating agent can only be used for adsorbing heavy metals, the absorption ofthe organic pesticide pollutants need to be additionally added with an adsorbent, the remediation cost is high, and the treatment process is complex are solved.

The invention discloses a steel strength detection device for building detection, and relates to the technical field of building detection, the steel strength detection device comprises a bottom plate, and also comprises surrounding plates fixedly arranged on two sides of the bottom plate, and the tops of the surrounding plates are fixedly connected with a top plate; the feeding mechanism is arranged between the surrounding plates and comprises a mounting column, the mounting column is rotationally connected with the surrounding plates, one side of the mounting column is fixedly connected with a mounting disc, a partial pressure cylinder is fixedly connected between the mounting discs, the two sides of the interior of the partial pressure cylinder are fixedly connected with partition plates, and a piston assembly is arranged on the partial pressure cylinder on one side of a limiting rod and penetrates through the limiting rod; the detection mechanism is arranged on one side of the mounting disc and comprises a movable rod, the two sides of the movable rod are in sliding connection with a surrounding plate, an impact assembly is arranged below the movable rod, a driving assembly is arranged on one side of the surrounding plate, and the driving assembly is arranged on the other side of the surrounding plate. The driving assembly drives the movable rod to move up and down in a reciprocating mode to achieve collision detection of objects.

The invention discloses a wire cutting clamp capable of fast clamping and belongs to the technical field of clamps. The wire cutting clamp comprises a sucking plate, wherein the sucking plate is rectangular, one surface of the sucking plate is an adsorbing surface, the adsorbing surface is provided with multiple rows of round holes, magnetic materials fill the round holes, and a V-shaped groove is formed in the adsorbing surface of the sucking plate. The adsorbing and the fixing of a workpiece are realized, and the sucking force of the sucking plate is enough large to overcome the gravity of the workpiece, so that the sucking plate is used for adsorbing and clamping the workpiece, the sucking plate is fixedly arranged on a wire cutting machine working platform, the V-shaped groove is used for adsorbing and clamping the bar-shaped workpiece, and the wire cutting clamp is very convenient.

The invention discloses a solar cell crystal silicon insertion device, the first mounting plate slides on the first sliding groove through the first pulley, A third piston and a third piston shaft aremounted on the first mounting plate, A first elastic plate is mounted on the third piston shaft through a first elastic plate mounting seat, the first piston slides on the second sliding groove through the second pulley, A first piston shaft is mounted on the first piston, A third sliding groove is arranged in the first piston shaft, The second slide plate slides on the third slide groove througha third pulley, the second slide plate is mounted with a second mounting plate, a fourth piston is mounted on one side of the second mounting plate, a fourth piston and a fourth piston shaft are mounted on the fourth piston, and a second elastic plate is mounted on the fourth piston shaft through a second elastic plate mounting seat. The invention can effectively improve the chip insertion efficiency and quality of the single crystal silicon wafer.

The invention provides a suction cup device which comprises a base, a cover plate and a plurality of air closing assemblies. A ventilation groove is formed in the top of the base, the cover plate fixedly covers the top of the ventilation groove in a closed mode, a ventilation cavity is formed between the ventilation groove and the bottom of the cover plate, and plurality of mounting grooves for mounting the air closing assemblies in a one-to-one correspondence manner are vertically and upwards formed in the bottom of the cover plate. The top of the cover plate is vertically and downwards provided with adsorption grooves right facing the upper portions of the mounting grooves in a one-to-one mode, and isolation layers are vertically provided with first ventilation holes and second ventilation holes. Each air closing assembly comprises a ventilation nozzle, a sealing valve body and an elastic piece, wherein the ventilation nozzle is fixedly installed in the corresponding mounting groove in a sealed mode, the sealing valve body is vertically and movably arranged at the top of the ventilation nozzle, the sealing valve body is located under the corresponding first ventilation hole, and the sealing valve body is provided with a ventilation position and an air closing position in the vertical direction. Elastic pieces abut against the positions between the sealing valve bodies and the ventilation nozzles, and the elastic pieces constantly drive the sealing valve bodies to move towards the ventilation positions.

The invention relates to the technical field of projector projection equipment, and discloses a hanging bracket for a projector. The hanging bracket comprises a supporting part, a lifting part and a fixing part located at the bottom of the lifting part and used for fixing the projector, the lifting part comprises a lifting block, a first rack located on one side of the lifting block, a first guidemechanism arranged between the lifting part and a dustproof box, a motor arranged on the dustproof box, and a gear arranged on a motor shaft and meshed with the first rack to drive the lifting blockto ascend and descend, the fixing part comprises a bottom plate, a pressing plate and a self-adsorption mechanism arranged between the bottom and a matching block, the self-adsorption mechanism comprises a linkage mechanism, the linkage mechanism comprises a second rack, and a first driving mechanism is arranged between the motor shaft and the motor to realize extension and retraction of the gearso as to drive the gear to be independently meshed with the first rack to realize lifting of the projector or to be meshed with the second rack to realize adsorption fixation or desorption of the projector. The hanging bracket is high in automation degree and capable of achieving lifting of the projector and self-adsorption fixing or self-desorption dismounting of the projector.

The invention discloses a trunk tool box, a trunk assembly and a vehicle, the trunk tool box comprises a box body and a cover plate, a horizontally arranged bearing plate is arranged in the box body, an air bag is placed on the bearing plate, and an inflation assembly communicated with the air bag is fixed in the box body; the inflation assembly comprises an outer cylinder, an inner cylinder, a pipeline and a driving assembly, the lower end of the outer cylinder is fixedly connected with the bottom face of the cavity in the box body, the inner cylinder is arranged in the outer cylinder, a gap is reserved between the inner cylinder and the outer cylinder, a sealing piece is arranged between the outer wall of the upper end of the inner cylinder and the inner wall of the upper end of the outer cylinder, and a transverse plate in sliding fit with the outer side wall of the inner cylinder is transversely fixed to the middle of the inner side wall of the outer cylinder. A plurality of vent holes are formed in the side wall of the inner cylinder; the lower end opening of the inner cylinder is communicated with the air bag through a pipeline; the driving assembly receives opening and closing information of the cover plate and controls the inner cylinder to move up and down so as to inflate or deflate the air bag. According to the tool box, tools can be effectively fixed, taking or placing of the tools is convenient and fast, the supporting force of a cover plate can be improved, deformation of the cover plate is effectively prevented, and the use requirement is met.

The invention relates to a method for repairing organic matter contaminated soil through cyclodextrin reinforced microorganisms. The method comprises the steps of subjecting the organic matter contaminated soil to regional division and separation; uniformly spraying a cyclodextrin aqueous solution on the soil surface of a divided region, turning over the soil, and conducting balancing for three days; adding a microbial agent to the balanced soil; then adding organic fertilizer, and conducting ploughing again; and after ploughing is completed, leveling the repaired region, and meanwhile, spraying water regularly to keep the soil moist. Adsorption and fixation of organic pollutants can be achieved through beta-cyclodextrin, enrichment around microorganisms is achieved, and then the organic pollutants in soil are efficiently degraded through the microorganisms. According to the method, the problems that the existing single adsorption effect is low in remediation efficiency, only immobilization is performed, but in-situ degradation cannot be performed and the like are solved, the defect that the contact probability of pollutants and microorganisms in microbial remediation is low is overcome, and the degradation efficiency of the microorganisms is greatly improved.

The invention discloses a remediation method for treating heavy metal contaminated soil, and relates to the technical field of contaminated soil remediation. The remediation method comprises the following steps: S1, excavating and crushing heavy metal polluted soil to be remediated to obtain crushed soil particles of the soil; S2, paving a wheat straw restoration layer with the thickness of 2-3 cmat the bottom of the excavated soil, then laying the crushed soil particles of the soil on the wheat straw restoration layer, with the laying thickness being 20 cm; S3, adding a soil remediation agent to the laid heavy metal polluted soil, and after addition is completed, subjecting the heavy metal polluted soil to up-down ploughing operation. The remediation method combines multiple remediationmethods such as chemical remediation, physical remediation, microbial remediation and phytoremediation for remediation of the heavy metal polluted soil, the remediation effect of the heavy metal polluted soil is greatly improved, the remediation period of a single remediation method is shortened, and the disclosed remediation method is suitable for remediation of large-area heavy metal polluted soil.

The invention discloses a carrying platform used for transferring of flexible screens. The carrying platform comprises an FPC supporting part, a terminal suction part and a screen body suction part, wherein the FPC supporting part, the terminal suction part and the screen body suction part are arranged in the length direction; the terminal suction part is arranged between the FPC supporting part and the screen body suction part; a plurality of first suction holes are formed in one end face of the carrying platform used for transferring of the flexible screens and are evenly distributed in theterminal suction part, a plurality of second suction holes are formed in the screen body suction part, the first suction holes are used for sucking screen bodies of the flexible screens and connectingparts of FPCs, the second suction holes are used for sucking the screen bodies of the flexible screens, and the FPC supporting part is used for storing the FPCs; and a suction channel is formed in the carrying platform used for transferring of the flexible screens, and the first suction holes and the second suction holes communicate with a vacuumizing device through the suction channel. Accordingto the carrying platform used for transferring of the flexible screens, flexible screens with different sizes can be sucked and fixed through the first suction holes and the second suction holes, andthen the flexible screens are fixed to the carrying platform used for transferring of the flexible screens are transferred.

The invention discloses a glass sheet feeding mechanism which comprises a bed frame. A glass sheet containing and placement table, a horizontal guide rail, a sliding seat, an air cylinder, sliding rods and suction cups are arranged on the bed frame. The glass sheet locating and containing table is used for containing to-be-grabbed glass sheets. The horizontal guide rail is horizontally fixed abovethe glass sheet locating and placement table. The sliding seat is in sliding connection to the Y-direction guide rail. The air cylinder is fixed to the sliding seat and provided with an air cylindershaft stretching out vertically downwards. The lifting seat is connected with the air cylinder shaft of the air cylinder so as to be driven by the air cylinder to move up and down. The sliding rods vertically penetrate through the sliding seat and can slide up and down relative to the lifting seat. Limiting parts used for preventing the sliding rods from sliding out of the lifting seat downwards are arranged at the top ends of the sliding rods. The suction cups are connected to the lower ends of the sliding rods, and suction nozzles of the suction cups are vertically downward. The glass sheetfeeding mechanism solves the problem that the glass surface is scratched or broken when an existing feeding mechanism picks up glass.

The invention relates to the technical field of home decoration, and discloses an anti-falling device for vases with different bottom diameters. The device comprises a vase bottom; the side surface ofthe vase bottom is movably connected with a side sucker; the lower part of the side sucker is movably connected with a supporting rod; a supporting frame is fixedly mounted at the lower part of the supporting rod; and a left movable groove is formed in the left side of the supporting frame. The vase is connected with the ground or a table top through the device due to the fact that a sucker on abase plate adsorbs the table top or the ground and the side sucker adsorbs the side wall of the bottom of the vase, the situation that the vase is knocked over during moving or normal life, consequently, the vase is broken and hits people is avoided, and the situation that broken glass residues cut limbs of people is also avoided. Through rotation of the base plate, a movable groove in the upper end drives a movable rod to move along with the movable groove, then the movable rod moves up and down, two folding rods are compressed and unfolded, then the supporting rod at the lower end of the side sucker is driven to move up and down, and the bottoms of vases with different diameters are adsorbed and fixed.