54results about How to "Fully blocked" patented technology

The invention discloses a waste gas purifying device applicable to an incinerator. The waste gas purifying device comprises an incinerator waste gas purifying device body, and a waste gas inlet pipe communicated with the exhaust port of an incinerator body, wherein the tail end of the waste gas inlet pipe is communicated with a dust catcher; an upper dust removal baffle and a lower dust removal baffle are arranged in the dust catcher; the upper dust removal baffle and the lower dust removal baffle are arranged at intervals; the tail end of the dust catcher is communicated with a waste gas exhaust pipe; the tail end of the waste gas exhaust pipe is communicated with an exhaust chimney; a left supporting plate and a right supporting plate which are longitudinally staggered are arranged on the inner side wall of the exhaust chimney; a flue gas pre-spray heat sink is arranged on the left supporting plate; a flue gas pre-spray desulfurizer is arranged on the right supporting plate; a waste gas purifying tank is formed at the bottom of the exhaust chimney; a deslagging door is arranged at the bottom of the dust catcher; a pressure release valve is arranged at the top of the dust catcher. The waste gas purifying device can filter poisonous gas, heavy metal and dust produced during the combustion of fire coal, effectively solves the problem of waste gas pollution, and avoids the risk of explosion caused by overlarge air pressure inside the device.

Belonging to the field of environmental protection, the invention in particular relates to a flue gas purification device for environmental protection. The flue gas purification device includes an air inlet pipe, a deduster, an exhaust pipe and an exhaust chimney that are communicated in order. The deduster is internally provided with upper dedusting baffle plates and lower dedusting baffle plates, the upper dedusting baffle plates and the lower dedusting baffle plates are in staggered arrangement at interval, the upper dedusting baffle plates are suspended on the upper end inner wall of the deduster, the lower dedusting baffle plates are fixed on the lower end inner wall of the deduster. The outer wall of the exhaust pipe is provided with a spray apparatus. The invention aims to provided the flue gas purification device for environmental protection, the flue gas purification device has the characteristics of simple manufacturing and installation, and small floor space, is economical and practical, is in favor of disposing poisonous gas and dust produced in the fire coal combustion process, effectively solves the problem of exhaust pollution, and protects the atmospheric environment.

The invention relates to an asphalt type plugging anti-sloughing agent for water-based drilling fluid, and in particular relates to quickly dispersed asphalt powder. The quickly dispersed asphalt powder consists of an asphalt component, oil soluble resin, a modifying agent and a separant. The invention further provides a preparation method of the quickly dispersed asphalt powder. The sample obtained according to the invention has high asphalt component content and good water dispersion stability, improves the quality of mud cakes, effectively restrains hydrous swelling of shale, prevents sloughing of a well wall, and has the characteristics of adjustable softening point and applicable temperature. Moreover, the quickly dispersed asphalt powder for the drilling fluid has simple production technique, high production efficiency, low requirement on equipment and environment condition, high operability, stable product performance, and no generation of waste materials and dust.

The invention belongs to karst stratum reinforcement and water blocking technique in tunnel and underground construction. The quick gelling, micro expansion and high strength type injecting grout material is prepared from P.O42.5 cement, and calcium lignosulphonate, soda and calcium sulphoaluminate expanding agent (specially for grout injection) of which the weight percentages account for the weight of the cement are 0.4 percent, 0.4 percent and 8 percent respectively, and the water cement ratio of the grout is as follows: W / C is equal to 1.2 to 1. The injecting grout material prepared by the invention has characteristics of quick gelling, micro expansion and high strength, a plurality of experiments and site tests in tunnel underground construction show that the injecting grout material has relatively ideal gelling time and water blocking reinforcement and seepage preventing effects.

The invention belongs to the field of environmental protection and especially relates to an environmentally friendly exhaust gas purifier. The environmentally friendly exhaust gas purifier comprises an air inlet pipe, a deduster, an exhaust pipe and an exhaust chimney, which are communicated successively. Upper dedusting baffle plates and lower dedusting baffle plates are arranged inside the deduster. The upper dedusting baffle plates and the lower dedusting baffle plates are arranged at intervals and in a staggered manner. The upper dedusting baffle plates are suspended on the upper inner wall of the deduster. The lower dedusting baffle plates are fixed on the lower inner wall of the deduster. The outer wall of the exhaust pipe is provided with a spray device. The invention aims to provide an environmentally friendly exhaust gas purifier which is simple to manufacture and install, occupies small area, is economic and practical and is beneficial to process toxic gas and dust generated during combustion process of fire coal. By the environmentally friendly exhaust gas purifier, the pollution problem of exhaust gas is effectively solved, and atmospheric environment is protected.

The invention discloses a safe and firm noise-preventing novel highway guardrail which comprises a frame, acrylic rotary barrels, first bearing seats, buffer boards and a supporting arm. Connecting transverse boards are horizontally arranged on the upper portion and the lower portion of the frame, the acrylic rotary barrels are arranged on the left side of the portion between the connecting transverse boards, and the two ends of each acrylic rotary barrel are rotationally connected with the frame through the first bearing seats. The buffer boards are arranged on the right side of the acrylic rotary barrels, the supporting arm is arranged on the right side of the buffer boards, fixing blocks are fixedly welded to the middle positions of the upper surface and the lower surface of the supporting arm, the fixing blocks are connected with the middle position of the frame through second bearing seats, the inside of each buffer board is of a hollow structure, rubber buffer cushions are arranged at the upper ends and the lower ends of the left sides of inner cavities of the buffer boards, and metal net pore plates are arranged between the rubber buffer cushions. The guardrail is reasonablein arrangement, stable in supporting and capable of efficiently absorbing noise on a highway, reducing noise pollution and protecting safety of a driver and a vehicle.

The invention relates to a coal ash ultrafine powder grinding system realizing multi-stage circular processing and pre-scattering, comprising a feeding device; a first adjusting valve; a second adjusting valve; a third adjusting valve; a fourth adjusting valve; a pre-scattering device which is connected with the feeding device; a V-shaped coal pulverizer which is provided with a feeding hole, a coarse material discharge hole, a fine material outlet and an air inlet, wherein the feeding hole is connected with the pre-scattering device, and the air inlet is connected with air cold air blast by the first adjusting valve; a vertical roller mill, which is provided with a roller mill feeding hole, a dust removal hole and a roller mill discharge hole, wherein the roller mill feeding hole is connected with the coarse material discharge hole in the V-shaped coal pulverizer, the roller mill discharge hole is connected with the feeding device or the pre-scattering device, and the dust removal hole is connected with the air inlet in the V-shaped coal pulverizer; a first air locking valve; a second air locking valve; and a third air locking valve. According to the invention, powder material issubjected to circular processing by a four-stage circular processing process, so that the powder material is ground to be finer, and material waste is reduced.

Provided is a construction method of a below-sensitive-building water-enriched rock stratum full-section grouting shield. The construction method of the below-sensitive-building water-enriched rock stratum full-section grouting shield includes the construction steps of reinforcing shield sealing, filling the periphery of the shield with bentonite, supplementing grout to gaps behind duct-piece walls, replacing muck with gas, replacing the gas with grout, grouting full sections, detecting grouting effects and conducting shield tunneling. By the adoption of the construction method of the below-sensitive-building water-enriched rock stratum full-section grouting shield, base-rock gap channels can be effectively sealed in all directions, loss of underground water is reduced, tunneling environment is improved, soil transporting of a screw conveyor is facilitated, so that the shield tunnels rapidly, and descending of buildings on the earth surface can be effectively controlled.

The invention discloses a uniform temperature control type aluminum roll annealing furnace. The aluminum roll annealing furnace comprises a furnace body, an electric control device and a furnace door, wherein electric heating devices are arranged in a hearth; the electric control device is connected with a memory which stores a preset working temperature; a positive and negative rotation speed reducing motor is arranged on the top wall of a furnace body and is connected with a transmission shaft, the left and right ends of the transmission shaft are connected with the furnace door through a chain lifting mechanism; multiple groups of electric heating devices are symmetrically arranged at left and right sides in the hearth; a plurality of temperature sensors are uniformly arranged on the front-back direction in the hearth, and the temperature sensors, the electric heating devices and circulating fans are connected with the electric control device; and the temperature sensors, the electric heating devices and the circulating fans are arranged in a one-to-one corresponding manner. According to the uniform temperature control type aluminum roll annealing furnace, the furnace door tightly presses a furnace body front wall from front to back by virtue of dead weight of the furnace door, and the temperature at each part in the hearth during working is more uniform, so that the thermal treatment quality is more uniform and stable.

The invention relates to waterproof coating for underground construction, which comprises a first layer, a second layer and a third layer, wherein a coating formula of the first layer comprises A: high-grade cement, sand and quartz powder, B: emulsion powder accounting for 20%-25% of cement mass, C: an accelerating agent accounting for1.5%-2% of the cement mass, and D: a reinforcing agent accounting for 2%-2.5% of the cement mass; a coating of the second layer adopts one-component polyurethane; and a coating of the third layer adopts a cross-linking type polymer cement waterproof coating. According to the waterproof coating for the underground construction, the first layer can achieve anti-permeability and leakage stoppage effects in shorter time and plug capillary channels completely; the second layer has excellent elongation and a seamless integrated-film-formation waterproof function, and plugs water from leaking out completely; and the third layer is a protective layer, overcomes the defects that the second layer is prone to scratch, aging and artificial damage and the like, improves the strength of the whole waterproof system, and guarantees the durability of the system.

The invention provides a combined fixing steel plate for acetabular fractures. The combined fixing steel plate comprises a bowed-edge main plate and an auxiliary plate, wherein the bowed-edge main plate is an arc-shaped strip-like steel plate and is bent to match with an anatomical structure on the inner side or upper portion of a bowed edge, the auxiliary plate is a strip-like steel plate and is selected from at least one of a posterior column ilium sitting steel plate, a square zone baffle, a middle column pubis sitting steel plate, a front wall steel plate and a rami superior ossis pubis steel plate. The fixing steel plate can better meet the treatment demands of various acetabular fractures, can be used for a variety of acetabulum reattachment surgeries different in approaches and can be used for a variety of acetabular fracture surgeries adopting different anterior approaches.

The invention provides a high-smoothness PP and PE extinction master batch and a preparation method and application thereof. The preparation method comprises the following steps: firstly, carrying outprimary blending, extrusion and granulation on polypropylene, a delustering agent and a slipping agent thereby obtaining modified polypropylene, and then carrying out secondary blending, extrusion and granulation on the modified polypropylene, polyethylene and coupling agent to obtain the high-smoothness PP and PE extinction master batch. According to the technical key point, the PP and PE extinction master batch with high smoothness is obtained by adjusting the proportion relation of the PP and the PE and improving the extinction agent and the slipping agent, and the obtained product has extinction property and smoothness and has excellent market popularization value.

The invention discloses a steam turbine valve control system. The steam turbine valve control system comprises a machine body and an accommodating groove provided with an upward opening and arranged in the machine body. An automatic adjusting and operating touch screen mechanism is arranged in the accommodating groove. A safety outage cavity is formed in the bottom of the accommodating groove. Anelectromagnetic driving outage mechanism is arranged in the safety outage cavity. An electricity connection cavity is formed in the bottom of the safety outage cavity. A first guide sliding groove isformed in the right end of the electricity connection cavity, and a second guide sliding groove is formed in the bottom of the electricity connection cavity. Electricity connection boxes distributed equidistantly from left to right are fixedly connected with the inner wall of the top of the electricity connection cavity, electricity connection grooves with downward openings are formed in the electricity connection boxes, and a third guide sliding groove positioned at the bottom of the electricity connection boxes is arranged between the electricity connection cavity and the second guide sliding groove in a communicating mode.

The invention relates to the field of medical nursing beds, and particularly discloses an anti-falling sickbed for children. The anti-falling sickbed comprises a bed body, guardrails and a plurality of bed legs; the bed legs are vertically and fixedly mounted on the bottom surface of the bed body; the guardrails are mounted on the vertical side surfaces of the bed body; each guardrail comprises amounting rod, a limiting rod and a plurality of connecting rods; the installation rods are horizontally and fixedly installed on the vertical side face of the bed body; the limiting rods are arrangedon the installation rods in parallel; the connecting rods are arranged between the connecting rods and the installation rods; one end of each connecting rod is connected with one installation rod, andthe other end of each connecting rod is connected with one limiting rod; and a check curtain is vertically and detachably installed between every two adjacent connecting rods. According to the scheme, each check curtain can be installed between the two adjacent connecting rods, so that the gap between every two connecting rods is blocked, children are prevented from falling from the gap, and a good protection effect can be achieved.

The invention discloses an efficient plugging film-forming shield slurry material for rescue and emergency, wherein the material comprises the components in percentage by weight: 70-80% of bentonite,10-15% of a polymer coating material, 5-10% of a colloid enhancer, 1-3% of a polymer dispersant and 1-3% of an emulsifier. According to the invention, the polymer coating material and bentonite are combined in water to form elastic particles, so that mud prepared from the efficient plugging film-forming shield slurry material for rescue and emergency can effectively block stratum pores, and the stability of an excavation surface is improved.

The invention provides a partially recyclable blast hole measuring and plugging device and an application method thereof. The device comprises a flexible scale rule, a material tank connected with theflexible scale rule and filled with plugging materials, a baffle plate provided with a trigger, a connecting sleeve used for connecting the material tank with the baffle plate, and a gravity hangingblock connected with the material tank, wherein the connecting sleeve comprises an upper sleeve, a lower sleeve and a spring buckle used for detachably connecting the upper sleeve and the lower sleeve; the trigger is used for controlling connection and disconnection of a circuit in the baffle plate; and a magnetic induction coil connected with the circuit is arranged on the upper surface of the baffle plate. By means of the mode, the gravity hanging block adsorbed to the bottom of the baffle plate can fall down after reaching the bottom of a hole through the trigger, the depth of the blast hole is accurately measured by sensing the tension change in the falling process of the gravity hanging block, and the plugging materials are driven to be sprayed out in the falling process of the gravity hanging block, so simultaneous measurement and plugging of the blast hole are achieved. In addition, the upper sleeve and the lower sleeve can be separated under the action of tension, so that partial recovery of the device is achieved.

The invention discloses a high-molecular coating raw material grinding device. The high-molecular coating raw material grinding device is characterized by structurally comprising an equipment base, adrive motor, a discharge barrel, an uniform contact system, a regulating disc, a charge hopper and a reflow tube. The high-molecular coating raw material grinding device has the beneficial effects that: a material springing mechanism is matched with an uniform grinding mechanism for favorably realizing that internal external-force springing is performed in grinding high-molecular coating raw materials to avoid a phenomenon that skin formation appears on the upper parts of the high-molecular coating raw materials during grinding. A uniform grinding structure is arranged for performing manual-operation type external force extruding crushing effect on relatively great granular high-molecular coating raw materials which are ground insufficiently and block surfaces of mesh holes, so that sufficient grinding on the high-molecular coating raw materials is realized, and a blockage phenomenon of raw materials in the mesh holes is avoided.

The invention discloses a nickel-free hole sealing agent for an aluminum-substrate laptop shell and relates to the technical field of laptop shell machining. The nickel-free hole sealing agent is prepared from the following raw materials comprising 6-8 parts of sodium oleate, 2-4 parts of salicylic acid, 2-4 parts of polyvinylpyrrolidone, 2-4 parts of silver diammine fluoride, 1-3 parts of sorbitol, 5-7 parts of nano crystalline cellulose, 2-4 parts of nano aluminum oxide, 2-4 parts of lithium silicate, 3-5 parts of sodium tripolyphosphate, 5-7 parts of sodium pyrophosphate, 5-7 parts of sodium metaphosphate, 2-4 parts of ethylene glycol, 6-8 parts of glycerol and 8-10 parts of an assistant. The nickel-free hole sealing agent for the aluminum-substrate laptop shell has the beneficial effects that the formula is reasonable, a processing technology is scientific and reasonable, the prepared hole sealing agent is remarkable in effect and is directly applied to the aluminum-substrate laptop shell, thus, the effect that micropores generated in the aluminum-substrate laptop shell during follow-up finish machining are sufficiently sealed can be ensured, disengagement is not prone to occurring, and the actual activity and the corresponding quality of the aluminum-substrate laptop shell are guaranteed.

The invention provides a construction method of a flexible vertical anti-seepage wall for blocking underground water pollution. The construction method comprises the following steps of: S101, carryingout construction measurement and positioning and paying off; S102, flattening a field; S103, carrying out high-pressure jet grouting piles on two sides of a pre-formed groove position; S104, arranging guide walls at the tops of the high-pressure jet grouting piles; S105, carrying out groove forming construction; S106, paving HDPE (high-Density polyethylene) geomembranes in a groove; S107, mutually sealing and connecting the adjacent HDPE geomembranes; S108, pouring a sealing material into the bottom of the groove to the bottoms of the HDPE geomembranes; and S109, carrying out clay backfillingon the upper part in the groove and connecting the sealing material at the bottom of the groove. By adopting the process provided by the invention, continuous closing and no-leakage-point pollution blocking can be realized in the vertical direction. A flexible anti-seepage material adopts the HDPE geomembranes and the service life of an anti-seepage system can reach 50 years; the permeability coefficient is less than 10< -7 >cm / S.

The invention discloses an automatic welding robot with an automatic protection function. The robot comprises a robot body, a shooting mechanism, a servo motor, a wire passing bin and a welding head body. A first device bin is mounted at the output end of the robot main body; a spring is mounted at the inner bottom of a second device bin; first limiting blocks are fixed to the two sides of the second device bin respectively; a first bevel gear is fixed to the end, away from the shooting mechanism, of a first rotating shaft; a mounting block is fixed to the bottom of the side of the second device bin; a first coil spring is mounted on the side of a cleaning plate; and the servo motor is mounted at one side of the second device bin. According to the automatic welding robot with the automaticprotection function, scrap iron generated by welding can be fully blocked, the welding robot itself and the surrounding are well protected, and the shooting mechanism near the welding head can be imaged and is not prone to being affected by smoke generated by welding and the scrap iron.

The invention discloses an automatic batching machine for building construction. The automatic batching machine comprises a rack and a batching case fixed on the rack, wherein a ladder A and a ladderB are respectively fixed at the two side faces of the rack; the rack comprises four stand columns which are distributed in a rectangle, and a plurality of cross bars fixed among the stand columns; a feeding hole is formed in the top end of the batching case, and a discharge hole is formed in the bottom end of the batching case; the batching case is internally provided with a distributing bin whichis separately communicated with the feeding hole and the discharge hole; the bottom end of the batching case has an arc-shaped structure, and drive motors are respectively fixed on the two side facesof the batching case; a sealing mechanism is fixed on the cross bar close to the discharge hole. The automatic batching machine is scientific and reasonable, safe and convenient to use, full in mixing and high in mixing efficiency; a hydraulic cylinder drives a movable sealing door so as to facilitate the blockage of the discharge hole and the opening for taking materials; furthermore, the sealing door is full in sealing, convenient to clean and long in service life.

The invention relates to a method for building a curtain of a deeply-buried ultra-thick solution gap fissure aquifer. The method aims at solving the problems that in existing mine deeply-buried aquifer curtain building, due to the low fissure exposure rate, the water interception rate is low, the inspection range of inspection drill holes is small and not flexible enough, and the effective drilling work amount proportion is low. The method comprises the steps that 1), inner and outer directional hole sets are formed in a curtain line, a drill hole grouting casing pipe enters a hard water-resisting layer at the top of a target aquifer, and branch holes of the directional hole sets are drilled in a segmented mode in the axial direction of the curtain along the target aquifer; 2), a grouting method for curtain building is adopted; 3), after grouting of all the directional hole sets is finished, the drill hole cross inspection grouting effect is inspected; 4), according to the aquifer exposure problem of the branch holes and the curtain quality inspection result of the inspection drill holes, vertical coring holes are formed in a targeted mode, and coring verification is carried out; 5), a ground hole transient electromagnetic method is used for probing the weak section of the curtain; and 6), the branch holes are used for carrying out supplementary grouting reinforcement on the weak section of the curtain according to the method in the step 2).

The invention discloses a corn double-furrow film mulching seeder with a soil covering mechanism, and relates to the technical field of seeders. The corn double-furrow film mulching seeder comprises aframe, wherein a fixed support plate is fixedly mounted in the middle of the interior of the frame, storage boxes are fixedly mounted at two sides of the middle of one side of the upper surface of the fixed support plate respectively, a water storage tank is fixedly mounted on the other side of the upper surface of the fixed support plate, rollers are movably connected to the two sides of the middle of the lower surface of the frame respectively, and a discharging frame and a water storage frame are fixedly mounted on the two sides of the middle of the lower surface of the frame respectively.The seeder not only can effectively control the grooving depth of a grooving piece, but also can control a compaction roller to work cooperatively, so that operation of an operator is facilitated, material overflow can be effectively avoided, dust can be fully blocked in the pouring process, external operators are fully protected, meanwhile, the ground can be waded comprehensively and widely, andthe growth of plants is facilitated.

The invention discloses a production method of a stable geothermal floor. The production method includes drying and processing a floor blank into a floor; subjecting the floor to surface glue injection and drying three times; performing sanding and painting on the floor to obtain the finished floor. The method has the advantages that production efficiency is improved, floor stability is promoted, and the stable geothermal floor is less prone to deformation and cracking.

The invention discloses a pressure-maintaining circulating grouting method which comprises the following steps: (1) hole positions of a plurality of grouting holes are set and marked in a to-be-grouted area, and adjusting a drilling machine to a designed angle to drill to a designed depth. (2) hemp threads are wound on the outer portion of the steel sleeve, the steel sleeve is fixed at an orifice of the grouting hole, and then the steel sleeve is installed to the grouting depth in the grouting hole; (3) after the steel sleeve is solidified, a circulating backflow grouting plug is installed at the tail end of the steel sleeve, the circulating backflow grouting plug is lifted up through a pressurizing pump, and the opening of the grouting hole is blocked; (4) a grouting hose of a grouting system is connected with a grouting pipe connector of the annular backflow grouting plug, a grout return hose of the grouting system is connected with a grout return pipe connector of the annular backflow grouting plug, and grouting is conducted; and (5) when the grouting amount of the to-be-grouted hose is consistent with the backflow amount of the grout return hose, it is indicated that the stratum grout suction amount meets the design requirement, and grouting is stopped.