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.

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.

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 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 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 soil loosening device for garden planting. The top of one side of a mounting mechanism is rotatably connected with a supporting mechanism, one side of the mounting mechanism and one side of the bottom of the supporting mechanism are connected with each other through an adjusting mechanism, the adjusting mechanism is used for driving the supporting mechanism to move up and down, and a soil loosening mechanism used for loosening soil is fixedly installed on a portion at the bottom of the supporting mechanism and located on one side of the adjusting mechanism. According to the soil loosening device for garden planting, the adjusting mechanism can drive the supporting mechanism and the soil loosening mechanism connected to the bottom of the supporting mechanism to move up and down, and therefore the soil loosening depth of the soil loosening mechanism can be conveniently adjusted, a blocking mechanism can effectively block scattered soil when the soil loosening mechanism works, the soil is prevented from splashing in the soil loosening process, a blocking plate connected by utilizing reset springs can be conveniently reset, and therefore the blocking plate can correspond to a rotating wheel, and the soil can be fully blocked.

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 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.