31results about How to "Reduce outbound volume" patented technology

It provides an application of WSS construction method in the tool change reinforcement of water-rich sand layer shield. The grouting process of WSS construction method adopts tunnel drilling machine for deep hole grouting reinforcement. The slurry is used to drain the soil and improve the impermeability of the soil; when the entire reinforced body is completed using the solution-type grout composed of liquid A and liquid B, after the retreat grouting construction is completed, the suspension composed of liquid A and liquid C is used to Type grout forward grouting for soil consolidation, changing the physical properties of the original soil and improving the compressive strength of the soil, and finally making the weak soil layer (mainly sandy, gravel clay and sand layer) become impermeable Soil with high resistance, high compressive strength and high stability, so that it is easy to open the warehouse for inspection and replace the tool.

The invention discloses a shield muck treatment method and equipment. The method comprises the steps that stones, sand and mud in the muck transported out in the shield construction process are subjected to vibrate separation under impact of water, the separated big sand is accumulated concentratedly through conveying equipment, meanwhile the separated thin sand and mud mixture is subjected to twisting separation, the thin sand is discharged, the separated mud is subjected to one flocculation treatment through a flow guiding tank or pipe, the mud subjected to flocculation treatment settles ina mud pool so as to separate mud and clear water, the clear water is drained into a clear water pool to serve as construction recycling water, the mud is pumped into a con ave-convex mud conveying pipe to be subjected to second flocculation treatment, and the mud subjected to second flocculation treatment is sent into a belt filter press to obtain dry mud cakes. The solid-liquid separation effectof the equipment is good, the automation degree is high, shield construction water is recycled, cleaning water for externally transported mud is greatly reduced, water is saved by50% or above in the whole construction process, and city pollution brought by external transportation of shield muck is thoroughly solved.

A capsule-type solid-liquid separation device comprises a rough filtration device, a slurry storage tank, a transfer pump, a filter press and associated pipelines and valves, which are intensively arranged on a box using as a storage tank for slurry and filter cake. A preliminary filtrate passage of the rough filtration device is connected with a sewage pipe network, and a slurry discharge passage is connected with the slurry storage tank; a slurry feed pipeline of the transfer pump is connected with the slurry storage tank, and a slurry discharge pipeline is connected with the filter press; the filter press is a capsule-type one, a filter cylinder is provided inside with the pressing capsules, and a blanking passage is provided inside with filling capsules; the pressing capsules expand under the effect of the introduced high pressure fluid, and extrude the filter material in the filter cylinder for operation; the filling capsules expand under the effect of the introduced pressure fluid and fill the blanking passage, to cut off a lower opening of the filter cylinder with the blanking passage; and the blanking passage is communicated with the filter cake storage tank. The device has the advantages of compact structure, little land occupation, no noise and easiness for movement, and is especially suitable for solid-liquid separation of kitchen garbage crushing fluid in high buildings and in the field.

A harmless treatment technology for town household garbage comprises the following specific steps that 1, the town household garbage is collected; 2, the collected town household garbage is subjected to coarse breaking; 3, the materials subjected to coarse breaking are subjected to primary screening, oversize products obtained after primary screening are subjected to gravity separation, and undersize products obtained after screening are subjected to primary aerobic fermentation; 4, the materials obtained after primary aerobic fermentation are subjected to fine breaking; and 5, the materials subjected to fine breaking are subjected to secondary screening, oversize products obtained after secondary screening are subjected to gravity separation, undersize products obtained after secondary screening are subjected to secondary aerobic fermentation and decomposition, namely, a curing procedure, the water content of the cured materials is reduced to 30% or below, and nutrient soil is produced. The technology is advanced, scientific and environment-friendly, the town household garbage is turned into wealth, the nutrient soil with high market value is produced, reducing, recycling and harmless treatment of the town household garbage is achieved, and town pollution is reduced.

The invention provides an integrated disposing and eliminating method for construction site rubbish. According to the method, a closed construction rubbish disposing workshop (1) is arranged on a construction site, and a vertical rubbish conveying pipeline (2), an anti-impact safety net (3), a jaw crusher (4), conveying belts (5), a stone crushing machine (6), a material bin (7), a stirring machine (8), a brick making machine (9), a plastic crushing machine (10), a plastic granulating machine (11), a formwork square-cutting saw (12), a timber crushing machine (13), a timber bar making machine (14), a water medium dust collector (15) and a liquid-solid separating hydraulic machine (16) are arranged inside the rubbish disposing workshop. The transportation amount can be reduced by more than 90% after the construction site rubbish is disposed through the method, raised dust generated in the vehicle transportation process is removed, environmental pollution is reduced, the construction rubbish is directly converted into wealth, and precious resources are saved.

The invention relates to the technical field of drilling equipment, and discloses a construction method for a prestressed pipe pile, wherein the method is used for pile forming in a reclamation area. The method comprises the following steps that firstly, a main drill hole is formed through a down hole hammer, and a total pile casing is utilized for following drilling of the down hole hammer until the down hole hammer and the total pile casing pass through a rock filling layer; secondly, the down hole hammer is lifted and pulled, the total pile casing is filled with sandy soil until the filled sandy soil reaches the upper surface of the reclamation area, the total pile casing is lifted and pulled, and a sand filling hole is formed through the main drilling hole; thirdly, external force is exerted on the upper end of the prestressed pipe pile, the prestressed pipe pile passes through the sand filling hole, and the lower end of the prestressed pipe pile is embedded in a bed rock below the rock filling layer. According to the construction method for the prestressed pipe pile, the position where a pile needs to be formed in the reclamation area is drilled through the cooperation of the down hole hammer and the total pipe casing pipe following, the main drilling hole passes through the rock filling layer, the rock filling layer is converted into the sandy soil, a hammer pile machine and the like are utilized for continuing to drive the pipe pile, the pipe pile easily passes through the rock filling layer, and the construction method has the advantages that the hole forming speed and construction efficiency are high, construction cost is low, the construction period is short, and the construction field is clean.

The invention discloses a sand pile construction method adopting multi-section composite casing punching. The construction method comprises the following steps that (1), a composite casing is vertically positioned; (2), the composite casing is hammered; (3), an inner pipe is raised and sand is poured into an outer pipe; (4), the inner pipe and the outer pipe are made to be flush; (5), the composite casing is hammered to compact the filling sand; and 6), the steps mentioned above are repeated till a pile pipe is pulled out of the ground. The method is standard in operation, the sand content andsilt content of the filler are strictly controlled, and the influence caused by hole collapse and the insufficient filler on quality is effectively avoided. Pile driving equipment adopts a vibrationpile driver to set up the composite steel casing and has a relatively mature safety system, and the safe construction can be effectively guaranteed. During pile sinking, the composite casing is used to form the outer pipe retaining wall, and the surrounding soil does not enter a pile body during the vibration extrusion process; and meanwhile the sand pile filler can be repeatedly extruded by usinga multi-section type punching construction method to ensure the compactness of the whole pile body, and the construction quality of a sand pile is ensured.

The invention discloses an integrated machine for drilling, connecting piles and planting piles and a construction method thereof, which comprises a traveling mechanism, a chassis, a plurality of hoisting equipment, and a turntable capable of rotating relative to the chassis; on the chassis are working piles for drilling and planting piles. Position holes; a tower with a circular truss structure coaxial with the turntable is fixed on the turntable; along the outer circumference of the tower, a pressure tube power head, multiple drilling power heads, multiple extensions and welding up and down are arranged in sequence A rotary welding device for pipe piles, a driving head for sending pile pipes; after each pipe pressing power head, each drilling power head, each rotary welding device and each pile feeding pipe driving head rotate with the turntable of the turntable device, All can be located directly above the operation pile hole; a pile pressing device driven by an oil cylinder for pile planting is installed on the chassis through guide rails. The machine and the method can complete the drilling, pile connection and pile planting construction on one piece of equipment, and the equipment height is relatively low, the concentricity of the multifunctional device on the turntable is good, and the equipment stability is high.

A capsule-type solid-liquid separation device comprises a rough filtration device, a slurry storage tank, a transfer pump, a filter press and associated pipelines and valves, which are intensively arranged on a box using as a storage tank for slurry and filter cake. A preliminary filtrate passage of the rough filtration device is connected with a sewage pipe network, and a slurry discharge passage is connected with the slurry storage tank; a slurry feed pipeline of the transfer pump is connected with the slurry storage tank, and a slurry discharge pipeline is connected with the filter press; the filter press is a capsule-type one, a filter cylinder is provided inside with the pressing capsules, and a blanking passage is provided inside with filling capsules; the pressing capsules expand under the effect of the introduced high pressure fluid, and extrude the filter material in the filter cylinder for operation; the filling capsules expand under the effect of the introduced pressure fluid and fill the blanking passage, to cut off a lower opening of the filter cylinder with the blanking passage; and the blanking passage is communicated with the filter cake storage tank. The device has the advantages of compact structure, little land occupation, no noise and easiness for movement, and is especially suitable for solid-liquid separation of kitchen garbage crushing fluid in high buildings and in the field.

The invention discloses a construction method of a mixing pile wall. The construction method comprises the following steps that preparation is conducted before construction, specifically, the earth surface in a construction area is treated, and the flatness of a site is ensured; groove construction is conducted, specifically, a groove is excavated, and a mixer is positioned; mixing construction is conducted, specifically, a three-axis mixing pile machine is adopted for construction, pre-mixing sinking is conducted through the three-axis mixing pile machine, and the sinking speed is 0.5-1m / min; after the designed depth is reached, a mortar pump is started, after slurry reaches a slurry spraying opening, the mixing pile machine is lifted, slurry spraying and lifting of the mixing pile machine are achieved simultaneously, and the lifting speed is not larger than 1-2m / min; construction is repeated, the four-spraying and four-mixing process is achieved, and the cement mixing amount reaches 20-25%; and H-shaped steel is inserted, pulled and recycled. Construction of the mixing pile wall is conducted through the method, the stability of adjacent soil can be effectively ensured, and the construction efficiency is improved while the occurrence probability of hazards such as adjacent ground settlement, house inclination, road cracking and underground facility displacement is decreased.

The present invention ptovides saponified sewage treating method, and the method is one mechanical speeded clarification plus horizontal screw centrifugal machine separation plus neutralization method. The method has the functions of smooth running, high economic property, high controllability and high separation effect.

The invention discloses a SCAP-type soil pressure balance shield mud for opening a cabin, which comprises the following components according to the mass parts: 50-80 parts of silt, 400-600 parts of clear water, 100-150 parts of calcium-based bentonite, and a modifier 2~6 parts and 0~2 parts of tackifier. It also discloses the preparation method of mud for SCAP-type earth pressure balance shield opening: the waste silt produced when the shield tunnels into the silt or silty clay layer is dried, passed through a mesh screen, and stored near the muck pit. When the shield machine needs to be opened under pressure, add stored silt, clear water, calcium-based bentonite, modifier and viscosifier to the mud truck, and stir continuously to prepare a product that meets the mud density and viscosity requirements. Utilizing the discarded dregs during the excavation process can save bentonite resources and opening costs, and reduce the environmental pollution caused by the amount of muck transported abroad, and prepare mud for opening that meets the requirements of density, viscosity, physical and chemical stability, etc. .

The invention discloses a sewage treatment method for a sapphire crystal polishing liquid waste. The method comprises the following steps: adjusting the pH value of the sapphire crystal polishing liquid waste by using a rinse wastewater for rinsing a machine tool and ground, and forming an electric flocculation body by using a flocculant and suspended solids in the sapphire crystal polishing liquid waste; accelerating clarification by using a machine, and finely filtering the wastewater as rinse water to reuse through a continuous sand filter; separating sludge and liquid in mud sewage by using a folded screw sludge dewater, returning filtration liquid to the machine to accelerate clarification; outwardly transporting a dry mud cake to process, so as to efficiently, economically and safely process the sapphire crystal polishing liquid waste.

The invention discloses a method for cleaning a drill hole. The method comprises the following steps: S1, communicating a slurry inlet connector of a cyclone desander with a water outlet water head of a pile hole, and communicating a slurry outlet connector of the cyclone desander with a slurry pool; S2, feeding the slurry into the cyclone desander through the water outlet water head of the pile hole, wherein the slurry with certain pressure rotates in a mud-sand separation barrel; S3, separating out sand grains with large specific gravity through rotation and discharging the sand grains from a sand discharging opening, and feeding slurry with small specific gravity into the slurry pool from a slurry outlet; S4, pumping the slurry in the slurry pool after being fully mixed into the pile hole through a sewage pump and then feeding the slurry into the cyclone desander through the water outlet water head of the pile hole, and repeating the process; and S5, after the perfusion catheter is installed, repeating the steps S1 to S4 for secondary hole cleaning. The invention provides a method capable of efficiently and simply cleaning the drill hole.

A cement soil preparation system suitable for different fluidities and soil bodies includes a soil material sieve separator, a soil material measuring bin, a slurry stirring station, a cement bin, a cement measuring bin, a cement slurry stirring station and a slurry storage tank; the soil material sieve separator is used for sieving a soil material, and the sieved soil material is transported to the soil material measuring bin through a conveying belt 19; the soil material measuring bin is used for weighing a certain amount of soil material according to the set weight, and the weighed soil material is transported to the slurry stirring station through a conveying belt conveyor 3; the slurry stirring station is used for stirring the soil material and water according to the set fluidity, theslurry after stirring is transported into the slurry storage tank; the cement bin is used for storing cement, and a discharge port of the cement bin is connected to an inlet of the cement measuring bin by an air compressor; the cement measuring bin is used for weighing a certain amount of cement according to the set weight, the weighed cement is transported to the cement slurry stirring station through a delivery pipe 22; the cement slurry stirring station is used for stirring the cement and other material flows according to the set fluidity, and the slurry after stirring is transported intothe slurry storage tank; a discharge port of the slurry storage tank is connected with a grouting pipe.