34results about How to "Improve plugging quality" patented technology

The invention relates an isolation blocking technology for pollutants under a mine and an isolation technology for the pollutants in an underground space of a mine area, in particular to the technicalfield of isolation treatment of manually-dumped pollutant sites of roadways and goafs. During treatment of the pollutants in a downhole roadway and a goaf, the pollutants need to be isolated firstly.Underground spaces of the roadway and the goaf are large, a large amount of cement grout is prone to flow away, grouting top filling is difficult to form, the blocking effect is difficult to achieve,and mixing of the grout and the pollutants further causes the defects of large pollution treatment difficulty and high cost. The invention provides a novel roadway and goaf grouting technology, and the novel roadway and goaf grouting technology comprises the construction processes that common grouting holes (also serving as roadway and goaf exploration holes) are constructed, goaf or roadway grouting holes are constructed, floral tubes are put downward and stone is put in, and grouting is conducted. Compared with a traditional grouting technology, the novel roadway and goaf grouting technology has the advantage of small use amount of the cement grout and aggregate and further has the advantages that the grouting influence radius is small, top filling can be achieved, and impermeability ishigh.

The invention provides a strongly magnetic positioning airbag outer plugging device which is high in mounting speed, low in mounting resistance, highly adaptive to a leakage surface and applicable to plugging of a large-sized pipeline. According to the adopted technical scheme, the strongly magnetic positioning airbag outer plugging device comprises strongly magnetic mechanisms, a shell and an airbag, wherein the strongly magnetic mechanisms are arranged at of two ends of the shell; the airbag is embedded into the shell, extends outwards through a hole formed in the shell and is connected with a compressor guide pipe; each strongly magnetic mechanism owns an independent magnetic switch and is connected with the shell through a hinge. The strongly magnetic positioning airbag outer plugging device can be widely applied to the technical fields of leakage plugging processing of a dangerous source, safe pipeline conveying and strongly magnetic positioning.

The invention discloses a reversible gel consolidation plugging method. The method comprises the following steps: evaluation of the construction feasibility of a plugging material: judging whether the granularity of a consolidation agent meets the requirement or not; in-situ preparation of consolidation slurry: collecting parameters such as well leakage stratum depth, pressure, temperature and water output amount, determining the thickening time of the consolidation slurry, adjusting the adding amount of a retarder according to in-situ water, adding the retarder into a water tank to be evenly stirred, sucking and mixing the consolidation agent and water according to a certain proportion through a batch mixing pump, pumping the mixture into a batch mixing tank, conducting stirring in the batch mixing tank for a certain time, and detecting the performance of the consolidation slurry; the plugging process: preparing the consolidation slurry according to a designed amount, lifting a drilling tool to a certain height above a leakage layer, pumping the prepared consolidation slurry into a well, jacking the consolidation slurry into a stratum by using slurry to jack the drilling tool out, lifting the drilling tool to a safe well section, carrying out intermittent extrusion according to conditions, further enabling a plugging agent to permeate into the leakage layer in a thickening process, closing the well and waiting for setting, opening the well for circulation, and downward putting a drill plug to test the plugging effect.

The invention discloses a tunnel soft rock full-section multi-stage ultra-deep hole double-end plug and stemming plugging high-efficiency blasting method, and relates to the technical field of tunnelblasting. The full-section multi-stage same-depth inverted square-frustum-shaped ultra-deep hole double-end plug and clay stemming high-efficiency blasting method is adopted, wherein a No. 2 rock emulsion explosive is used as an explosive, a non-electric millisecond detonator is used as a detonator, and a detonating network is formed by serial and parallel connection of detonating tubes; a pneumatic rock drill is used for drilling; a blast hole layout diagram is as follows: multiple cutting holes, inner ring holes, peripheral holes and bottom plate holes are arranged; a charging structure is formed in such a way that the cutting holes are continuously charged, the peripheral holes are charged at intervals, the inner ring holes and the bottom plate holes are continuously charged, and the cutting holes, the peripheral holes, the inner ring holes and the bottom plate holes are plugged each through a combined mode of a plug, stemming and a plug; and the blasting footage is 3.9-4.1m, and the surrounding rock is sealed by concrete primary spraying after slag discharge. The method overcomes the defects of poor blasting effect, low blasting efficiency and poor safety in the prior art, andcan improve the blasting effect, the blasting efficiency and the safety.

The invention provides an assembled building component joint seam shear-type bin separation plugging construction tool and method. The tool is in a scissors shape, an operation part is a gripping handle, the gripping handle is slightly thick, a knife edge part is changed into a straight plate with a certain thickness, the inner side of the straight plate has an inclined angle, and a bin separationstrip with an inclined angle is conveniently formed, and can be used for joint seam plugging to form a plugging strip after the tool is split. By means of the tool and the method, after a prefabricated component is installed, unified bin separation and plugging can be conducted, and the disorder of working procedures is avoided; moreover, the position and depth of bin separation and plugging canbe effectively controlled, the operation is convenient, the construction efficiency is high, the quality of bin separation and plugging is improved, and good conditions are provided for subsequent grouting construction.

The invention discloses a tunnel seepage preventing and leaking stoppage device and method. The tunnel seepage preventing and leaking stoppage device comprises a support frame, a cloth belt mounting mechanism, a track running mechanism, a cloth strip plugging mechanism and a grouting mechanism, wherein the support frame is composed of a track plate and support legs. The cloth belt mounting mechanism, the track running mechanism, the cloth strip plugging mechanism and the grouting mechanism are arranged on the track plate and the support legs; through mutual cooperation of all the mechanisms, plugging operation of a gap is completed; when a tunnel has the gap, a cloth belt can be fixed to the initial end of the gap, a power switch of a first motor is turned on, and the cloth belt mounting mechanism drives a cloth belt box assembly body to rotate while moving rightwards under the action of a power mechanism of the cloth belt mounting mechanism; and the cloth belt is twisted into a roll shape in the movement process of the cloth belt box assembly body, so that it can be guaranteed that the cloth belt better adapts to the size of the gap before being placed into the gap, the sealing effect of the cloth belt is further improved, and the plugging quality of the gap is improved.

The invention relates to an air tightness detection system, and the system comprises a rivet pulling mechanism which is used for carrying out the rivet pulling operation of a workpiece; the first transfer mechanism is used for clamping and releasing workpieces; the transfer table and the first transfer mechanism are arranged at an interval, and the transfer table is used for placing workpieces; the second transfer mechanism and the transfer table are arranged in a spaced mode, and the second transfer mechanism is used for clamping and releasing workpieces; and the testing mechanism and the second transfer mechanism are arranged at an interval. Related positions of the gearbox body are plugged in an automatic rivet pulling mode, the plugging quality is improved, the working efficiency of follow-up air tightness detection is further improved, plugging and detection are facilitated to be carried out at the same time through cooperation of the first transfer mechanism, the second transfer mechanism and the transfer table, and the working efficiency of the subsequent air tightness detection is improved. The plugging and air tightness detection efficiency is improved, and the labor intensity is reduced.

The invention relates to an embedded-free casing pipe mounting structure and a casing pipe mounting method. The mounting structure comprises a reamer bit and two hole sealing templates, wherein the reamer bit comprises a flat bit section, a reaming section and a connecting pipe; the reaming section is in a circular truncated cone shape and is connected to the flat bit section through the upper end surface of the reaming section; the connecting pipe is concentrically connected to the lower end surface of the reaming section; each hole sealing template comprises a cylindrical fastening ring, a hole sealing ring mounted on the fastening ring and a feeding port formed in the hole sealing ring; and the hole sealing templates can be mounted on a water stop casing pipe through the fastening rings. According to the embedded-free casing pipe mounting structure and the casing pipe mounting method, a horn-shaped water stop wing ring of the water stop casing pipe is implanted into a concrete structure, so that the path of water and air on the upstream face of the structure flowing into the downstream face is increased.

The invention discloses a novel outer wall split bolt hole three-color polyurethane plugging process. The novel outer wall split bolt hole three-color polyurethane plugging process comprises four steps of base layer treatment, waterproof expansive cement mortar filling, waterproof expansive cement mortar curing and waterproof coating brushing. During base layer treatment, after an outer wall formwork is detached, an outer wall split bolt hole is pulled out, a PVC pipe exposed out of a wall surface is cut flat, meanwhile, residual mortar on the periphery of the hole is cleaned up, the split bolt hole is expanded into a horn mouth shape through an electric drill, the PVC pipe in the hole is smashed, and the interior of the hole is cleaned up through a steel wire brush or a pneumatic pump. The process has the advantages that the outer wall split bolt hole three-color polyurethane is used in order to improve the plugging quality of the outer wall split bolt hole, improve the management quality level of an enterprise and ensure safe and civilized construction on site, the 1:2.5 waterproof expansive cement mortar is adopted for plugging compactly, the outer side of a wall body is coatedwith a circular polyurethane waterproof coating film for three times, a novel roller tool is used for brushing waterproof paint quickly and conveniently, and the construction quality is improved.

The invention particularly relates to a casing bottom plugging device. The casing bottom plugging device comprises a plug and a steel ball. The plug is of a hollow structure. A turnbuckle matched witha casing is arranged on the plug. Before the casing is placed downwards, the plug is connected with the bottom of the casing in a screwed mode in a turnbuckle mode, and the steel ball is placed on the hollow structure. In the process that the casing is arranged downwards, slurry jacks up the steel ball through the hollow structure of the plug to enter the casing; and when a steel casing is connected during stopping, the steel ball naturally falls down and seals an opening. According to a casing bottom plugging method, casing bottom plugging can be completed at a time, the situation of repeated plugging or poor plugging effect is avoided, the plugging procedure of parameter holes is simplified, the problem that a special bottom plate of a part of section is difficult to plug is solved, meanwhile, the site selection range during parameter hole design in the future is widened, the plugging quality of the casing is improved, and the production cost is also reduced.

The invention relates to an automatic rivet pulling device. The automatic rivet pulling device comprises a working platform, a riveting device and a riveting device, the feeding mechanism comprises a feeding seat, a first driving part and a feeding clamp, the feeding seat is movably connected with the working platform, a feeding groove is formed in the feeding seat, a penetrating hole is formed in the bottom wall of the feeding groove, and rivets can penetrate through the penetrating hole; the hand riveter is arranged on the working platform, and a muzzle of the hand riveter is opposite to the through hole in the height direction of the automatic rivet pulling device; and the feeding mechanism is provided with a feeding port. According to the automatic rivet pulling device, in the working process, an original plugging technology is replaced with a rivet pulling mode, the plugging quality is improved, and then the reliability of a test result is improved. Meanwhile, the automatic rivet pulling mode is beneficial to improving the working efficiency, so that the sealing performance detection efficiency is improved.

The invention discloses a root rotting prevention angle steel plugging device for a shear wall and a construction method, and belongs to the technical field of wall root plugging devices. According tothe root rotting prevention angle steel plugging device, positioning angle steel, a fixed support, fixed angle steel, an anti-seepage mounting block, an anti-seepage moving block, an adjusting rod and an adjusting piece are arranged, the fixed angle steel and the positioning angle steel are connected and fixed through connecting bolts, on one hand, the connecting strength between the positioningangle steel and the fixed angle steel is controlled, and the rollover phenomenon is prevented when the anti-seepage moving block is adjusted to extrude the positioning angle steel; and one the other hand, a formwork is supported in an auxiliary mode to prevent running and form-expanding at the root, and the anti-seepage mounting block and the anti-seepage moving block are adjusted to compress a connecting seam of the anti-seepage mounting block and the anti-seepage moving block, a connecting seam of the positioning angle steel and the anti-seepage moving block and a connecting seam of the anti-seepage mounting block and the ground under the action of the adjusting piece on the adjusting rod, so that the sealing effect of the root is achieved, the quality of the root is guaranteed, the process construction is safe and reliable, the efficiency is high, and the rotten root of the shear wall root can be effectively eliminated.

The invention relates to a recyclable through-wall PVC (polyvinyl chloride) sleeve for shear wall split bolts. The sleeve is characterized in that the PVC sleeve is a PVC pipe being 200 mm long, diameters of two ends of the PVC pipe are different, the wall thickness of the pipe is 4 mm, and a plurality of stiffening ribs made of the same material are uniformly arranged on the inner wall of the pipe. The recyclable through-wall PVC sleeve for the shear wall split bolts has the advantages that the PVC pipe is novel in structure and convenient to use, hole plugging quality of external wall through screws is improved, the leakage rate is reduced, the through-wall PVC sleeve can be easily taken out and is recyclable, and the engineering cost is reduced.

The invention discloses an assembly flue hanging hole plugging prefabricated part and a plugging method, and particularly relates to the technical field of flue hanging hole plugging, the assembly flue hanging hole plugging prefabricated part comprises two walls which are vertically connected, the wall surfaces of the walls are fixedly connected with a plurality of floors, holes are formed in the positions, close to the two adjacent walls, of the surfaces of the floors, and the holes are communicated with the walls. An upper exhaust flue is arranged in the hole, a lower exhaust flue is arranged below the upper exhaust flue, and a prefabricated part block is arranged at the joint of the upper exhaust flue and the lower exhaust flue in a sleeving mode. The prefabricated part block, the upper exhaust flue and the lower exhaust flue are installed at the same time, sleeving of the upper exhaust flue and the lower exhaust flue is achieved, meanwhile, fine aggregate concrete borne at a hole is poured and tamped through the horizontal formwork, the problems of formwork erecting, smoke leakage, water leakage and the like are solved, mortar permeates into gaps between the prefabricated part block and the upper exhaust flue and between the prefabricated part block and the lower exhaust flue, and the construction efficiency is improved. Horizontal smoke leakage and water leakage are prevented, and construction steps are simplified.