706results about How to "Easy to dredge" patented technology

The present invention discloses a same-floor drainage system. Said same floor drainage system includes the following several portions: main pipe passed through all the floors, multi-channel adaptors, branch pipes, toilet connectors, multifunctional floor drains and three-way valves. Said invention also provides the concrete connection mode of all the above-mentioned portions and the concrete working principle of said same floor drainage system.

The invention discloses a method for modifying natural zeolite powder, which uses an inorganic alkali and sodium chloride as modification medicaments to modify the natural zeolite powder by a solution soaking method. The method comprises the following steps: firstly, mixing the natural zeolite powder and the sodium chloride, soaking the mixture in sodium hydroxide solution for an adsorption reaction, washing the product of the absorption reaction with water till the pH value of the product is neutral after the reaction is finished; and secondly, drying the product of the absorption reaction to obtain modified zeolite powder. The modification method of the invention avoids the use of organic acids and the production of toxic and harmful substances, effectively prevents low-concentration ammonian pollution of the raw water of drinking water without changing the prior drinking water treatment process, does not change the pH value of the raw water after being used, does not exert influence on the subsequent processes, and improves the ammonian adsorption performance of the modified zeolite powder by 30 to 80 percent.

The invention discloses a device and method integrating electric pulse fracturing and permeability improvement and gas seepage measurement. The device and method are suitable for improving the gas extraction rate of coal seams which has low permeability and high adsorption. The device comprises a high-voltage charging power supply, a high-voltage energy storage capacitor, a high-voltage dischargeswitch, a coal sample fixing device, a hydraulic control system, a vacuum pump device, a gas cylinder and a pressure gauge. The method comprises the steps that 1, the high-voltage charging power supply is used for charging the high-voltage energy storage capacitor; 2, the high-voltage discharge switch is turned on, a coal sample is discharged through a positive electrode and a negative electrode,huge energy is generated and directly acts on a coal body, and cracks are formed in the coal body; and 3, the permeability of the coal sample subjected to breakdown is measured through a built-in gasseepage device in the coal sample fixing device. According to the device and method, integral electric pulse fracturing and permeability improvement and gas seepage measurement can be realized; the method is accurate in measurement, convenient to operate and capable of providing a reliable basis for the electric pulse fracturing effect.

The invention provides an integrated initial rainwater draining well, which is a device capable of draining certain millimeters of initial rainwater on an appointed water catchment panel and separating out later clean rainwater so as to greatly enhance the quality of the recycled rainwater. The integrated initial rainwater drainage well consists of a buried rainwater inspection well and a storagepool; the rainwater inspection well is connected with a water inlet pipe and a water outlet pipe; a bevel board precipitation structure is arranged at the bottom of the storage pool; a drainage pipe is arranged at a position a certain distance from the pool bottom; a lower sink and a flow baffle plate are arranged between the rainwater inspection well and the storage pool; at the highest water level, short flow is formed between the water inlet pipe and the water outlet pipe, so the later rainwater passes through the rainwater inspection well and directly enters the water outlet pipe to be recycled; the initial rainwater is drained in the storage pool; and after the rainwater runoff stops, the rainwater in the storage pool is slowly drained from the drainage pipe and stopped at the effective lowest water level. The integrated initial rainwater draining well has the advantages that: the structure is simple, the well operates in an unmanned way, a power supply is saved, the well is easyto maintain, polluted rainwater can be collected effectively, the drainage pipe is hardly blocked, the blocked drainage pipe is easy to smooth after being blocked and the buried drainage pipe is buried so that the appearance of the environment is not influenced.

The invention discloses a hexagonal flange type nut conveyor which belongs to the technical field of automobiles and is used for improving the projection welding efficiency. The technical scheme is as follows: the hexagonal flange type nut conveyor comprises a base and a hopper, a vibration plate, a profiling pipe and a distributor which are mounted on the base, wherein a discharge port of the hopper is positioned above the vibration plate; the distributor is positioned below the lateral part of the vibration plate, and a feed inlet of the distributor is connected with a discharge port of thevibration plate through the profiling pipe; the discharge port is connected with a nut conveying gun through a nut conveying pipe; the sectional shape of the pipe cavity of the profiling pipe is matched with the axial section of the hexagonal flange type nut; and the profiling pipe and the hexagonal flange type nut are in clearance fit. According to the invention, the hexagonal flange type nut isconveyed to the distributor from the vibration plate by the profiling pipe; and as the sectional shape of the pipe cavity of the profiling pipe is matched with the axial section of the hexagonal flange type nut, nuts can not be overlapped in the profiling pipe, thereby effectively avoiding the clamping stagnation, and greatly improving the working efficiency of projection welding of nuts.

The invention belongs to the field of waste recycling. The invention provides a preparation method of a phosphorous removal adsorbent. The preparation method comprises the following steps: (1) puttingred mud in an acid solution for backflow so as to obtain red mud after acid activation; (2) soaking the red mud after acid activation into a surface active agent, oxidant or sodium carbonate solution, and carrying out modified treatment to obtain modified red mud; (3) mixing the modified red mud with a rare earth solution, adjusting pH value to be 8 to 10, and loading rare earth ions to obtain red mud loaded with rare earth; and (4) carrying out mixing granulation on the red mud loaded with rare earth, a pore forming material and a binder, and carrying out calcinations to obtain the phosphorous removal adsorbent. The removal rate of the phosphorous removal adsorbent prepared in the invention is more than 95% and can reach 100% at most, the adsorption capacity can reach more than 240 mg/g,phosphorous-containing waste water with the concentration of below 30 mg/L is treated, and the concentration of phosphorous can reach the first grade emission standard of pollution discharge standardin a municipal sewage treatment plant within one hour.

The invention discloses a slurry circulation system of a slurry balance shield. The slurry circulation system comprises a slurry inlet pipeline and a slurry outlet pipeline and further comprises a slurry return-stirring circulation pipeline which is arranged between the slurry inlet pipeline and the slurry outlet pipeline and communicates with the slurry inlet pipeline and the slurry outlet pipeline; a flow dividing device is arranged between the slurry return-stirring circulation pipeline and the slurry outlet pipeline; a booster pump is arranged on the slurry return-stirring circulation pipeline; and valves are arranged at the slurry inlet pipeline end and the slurry outlet pipeline end of the booster pump correspondingly. The invention further discloses the slurry balance shield. The slurry circulation system comprises the slurry return-stirring circulation pipeline which is arranged between the slurry inlet pipeline and the slurry outlet pipeline and communicates with the slurry inlet pipeline and the slurry outlet pipeline; the flow dividing device is arranged between the slurry return-stirring circulation pipeline and the slurry outlet pipeline; the booster pump is arranged on the slurry return-stirring circulation pipeline; and the valves are arranged at the slurry inlet pipeline end and the slurry outlet pipeline end of the booster pump correspondingly. According to the slurry circulation system of the slurry balance shield and the slurry balance shield, occurrence of excavation bin blockage in the tunnelling process can be reduced, and the tunnelling efficiency is improved.

An apparatus for attaching a retractable poker to a cigarette lighter holder for unclogging tobacco pipes. An apparatus in accordance with the present invention comprises an inner geometric profile conforming to an outer shape of a cigarette lighter, a hollow chamber within the cigarette lighter holder for holding a retractable rod, and said retractable rod is longitudinally movable to extend along a vertical profile of the cigarette lighter holder to allow the rod to be physically extruded from the cigarette lighter holder.

The invention discloses a hazard-free treatment technology for electrolytic manganese residues. The technology comprises the following steps: washing the manganese residues in a high-pressure manner by using slurry water, and basically enabling the manganese residues to form slurry liquid; injecting the manganese residue slurry liquid into a filter chamber of a membrane press filter to be filtered to obtain a filter cake, and performing two-section acid leaching on the filter cake under a prepressing state; keeping the prepressing state, and injecting multi-stage washing liquid into the filter chamber to be washed in a multi-section manner; injecting alkali liquid of which the pH is 9 to 10.5 into the filter chamber to solidify manganese ions, and inflating the air into a filter liquid passage in a stage manner during the solidifying treatment; performing the high-pressure press filtering on substances in the filter chamber, and after the solidifying treatment is finished, discharging the residues. Through the adoption of the technology provided by the invention, the soluble manganese ions in the electrolytic manganese residues can be further extracted, and at the same time, the manganese ions in the filter cake are converted into the insoluble manganese to be deposited, so that the remained manganese ions in the waste residues cannot be permeated into the ground surface or the underground water to pollute the underground water resources in the stacking process.

The invention relates to a far-infrared massage physiotherapy bed with whole body effect, which comprises a bed body (2) and a bed frame (3). It can slide freely on the track (4); a swingable neck massager (6) is installed on the upper part of the bed body (2); the back massager (8) and the The leg massager (9) can reciprocate; in the middle of the bed body (2), four nano-graphite carbon far-infrared heating plates (10) are symmetrically arranged, and the heating device is coated with thormarin. The invention is based on mobilizing, activating and exerting the potential auto-regulation function of the body itself, enhancing the immunity and self-healing power of the human body, and achieving the purpose of treatment and health care by promoting blood circulation, activating blood circulation and activating internal organ functions.

The invention relates to municipal engineering dredging devices, particularly to a municipal engineering sewer grating plate dredging device. The municipal engineering sewer grating plate dredging device is simple in cleaning, low in labor intensity, capable of saving time and labor, clean and sanitary. The municipal engineering sewer grating plate dredging device comprises a base, first wheels, universal wheels, a first large support, a large fixing plate and the like; the right of the bottom of the base is connected with the first wheels, the left of the bottom of the base is connected withthe universal wheels, and the right of the top of the base is connected with the first large support. The municipal engineering sewer grating plate dredging device can clean garbage and sundries accumulated on a municipal engineering sewer grating plate, and meanwhile, is simple in cleaning, low in labor intensity, capable of saving time and labor, clean, sanitary, simple in structure, easy to maintain and low in maintenance cost.

The invention discloses a concrete transporting machine, an end hose of a cantilever crane system thereof and a preparation method of the end hose. The end hose of the cantilever crane system, which is disclosed by the invention, comprises a hose body and a fiber reinforcing layer compounded on the outer surface of the hose body; the material of the hose body comprises polyurethane, and the fiberreinforcing layer comprises glass fibers and/or carbon fibers; and preferentially, the fiber reinforcing layer is compounded on the outer surface of the hose body through a coupler. Because the polyurethane has stronger wear resistance, the wear rate of the hose body of the end hose is lower; moreover, the chemical property of the polyurethane is more stable, and influences due to external environment and temperature change on the properties of the end hose can be reduced, so that the end hose has longer service life; and in addition, the strength of the end hose is guaranteed through the fiber reinforcing layer consisting of the glass fibers and/or the carbon fibers to meet the requirements on transporting materials and controlling a delivery outlet, so that the end hose has lighter weight, which is also beneficial to controlling and operating the end hose.

The invention discloses a terminal locating method, apparatus, and system. The method includes steps: obtaining identification information sets acquired at the current moment by each wireless detecting device, wherein each identification information set includes identification information of one or more mobile terminals; comparing the identification information sets to obtain a comparison result; and locating the area position(s) which one or more mobile terminals are located in according to the comparison result, wherein the area positions are divided by the wireless detecting devices. According to the method, apparatus and system, the technical problem of failure of accurate locating of the mobile terminals by employing the prior art is solved.

The invention belongs to the technical field of soil remediation devices, and particularly discloses a heavy metal contaminated soil remediation device which comprises a tank, an outer barrel, a spiral conveying shaft and smashing rods. A motor is mounted on the top of the tank, the spiral conveying shaft is arranged inside the tank, the outer barrel is rotationally connected into the tank and ispositioned on the outer side of the spiral conveying shaft, the inner wall of the outer barrel is in contact with the edges of the spiral conveying shaft, a screening module is mounted on the inner wall of the tank and corresponds to the lower side of the spiral conveying shaft, a spray module is arranged inside the tank and is positioned at the bottom of the screening module, and two squeezing modules are mounted on a side of the inner wall of the tank; the motor is in transmission connection with the spiral conveying shaft; the four smashing rods are arranged on two sides of an outer cylindrical surface of the outer barrel and correspond to the two squeezing modules, three smashing modules are arranged on each smashing rod, and the smashing rods and the smashing modules are used for crushing soil blocks. The heavy metal contaminated soil remediation device has the advantages that the screening efficiency of funnel-shaped sieve plates can be improved, and the soil remediation chemicaland soil mixing efficiency can be improved.

The invention discloses a river-way ecological management system. The river-way ecological management system comprises a river way and revetments, wherein a plurality of ecological biological water treatment systems and rubber retaining dams are arranged on the river way; side concrete layers are arranged on two sides of the river way, and a bottom concrete layer is arranged at the bottom of the river way; a mud collecting channel is formed in the bottom concrete layer; and micro-wetland ecological systems are arranged between the side concrete layers and the revetments and comprise rainwater channels and aquatic plants, and sewage channels are formed in the lower parts of the micro-wetland ecological systems. The invention further discloses a method for managing the river way by virtue of the river-way ecological management system. By virtue of the system and the method, sectional management and combined management are realized, so that the sewage purification efficiency is improved, the treatment period is shortened, the operation flow is simplified, the cost is lowered, and a water ecological environment of the river way is remarkably improved.

The invention discloses a dredging device for municipal river regulation and a utilization method. The dredging device comprises a vehicle bottom plate, and rollers are mounted at the four corners ofthe bottom of the vehicle bottom plate; a collection box of which the top is open is fixedly mounted at the top of the vehicle bottom plate; a side plate is fixedly mounted at the top of the vehicle bottom plate; the side plate is positioned on one side of the collection box; a cross plate which is positioned above the collection box is fixedly mounted on one side of the side plate; a moving groove is formed in one side of the cross plate; a rectangular plate is mounted in the moving groove in a sliding manner; a rack is fixedly mounted at the top of the rectangular plate; a mounting hole is formed in the top of the cross plate; the mounting hole communicates with the moving groove; and a gear is rotatably mounted in the mounting hole. According to the dredging device, the position of a dredging head is convenient to adjust, different positions of a river channel are convenient to dredge, the dredging device self is convenient to move through the rollers, flexibility during utilizationis improved, sludge and water are quickly separated, and follow-up treatment of sludge is facilitated.

The invention discloses a flue gas deep dedusting and filtering device for a coal boiler, and belongs to the field of dedusting and filtering equipment. The flue gas deep dedusting and filtering device for a coal boiler includes a base, and telescopic sleeves are fixed to the four corners of the top of the base correspondingly. A supporting plate is arranged above the base. The tops of the telescopic sleeves are fixedly connected with the bottom of the supporting plate. The outer side of each telescopic sleeve is sleeved with a first spring, and the two ends of each first spring are fixedly connected with the top of the base and the bottom of the supporting plate correspondingly. Fixing plates are symmetrically fixed to the top of the base, second springs are symmetrically fixed to one side walls of the fixing plates, and sliding plates are symmetrically connected to the top of the base in a sliding mode. The device is good in damping effect, so that a good protection effect can be achieved in the transportation process. When a stainless steel filter screen plate is blocked, dredging can be conducted conveniently and rapidly. A heat energy recovery function is achieved.

The invention relates to a dredging boat, in particular to a dredging boat for dredging a port. The technical problem to be solved is to provide the dredging port which is various in function, is convenient for dredging the port and is simple in structure. In order to solve the technical problem, the invention provides the dredging boat for dredging the port. The dredging boat comprises an electric pushing rod, a rack, a gear, a horizontal piston, a horizontal cylinder, a hose, a vertical cylinder, a vertical piston, a connecting rod, a motor, a rotary blade, a bracket, a first supporting rod, a boat body, a slide shaft, a swing rod, a pushing block, a spring and a second supporting rod; the bracket and the second supporting rod are arranged on the top of the boat body; the bracket is positioned at the left side of the second supporting rod; the electric pushing rod and the first supporting rod are arranged on the left wall in the bracket; the electric pushing rod is positioned above the first supporting rod; and the right end of the electric pushing rod is connected with the rack. The dredging boat achieves the effects of being various in function, convenient for dredging the port and simple in structure, has relatively strong motility and reduces manufacturing cost.

The invention discloses a metalized wood functional material and a preparation method thereof. The metalized wood functional material is made of four types of materials of tall grass plant stalk, woodcomposite powder, tin-bismuth alloy and natural resin in a compound manner. The preparation method of the metalized wood functional material comprises six steps of plant stalk pretreatment, wood composite powder preparation, plant stalk threading, raw material mat formation, die forming and cutting. The metalized wood functional material prepared by adopting the method is high in strength and good in isotropy, electrical conductivity, heat-conducting performance and anisotropy, can be widely used in the fields such as electromagnetic shielding, system heat management and broad spectrum building materials, and is environmentally friendly.

The invention discloses a blocking prevention pipeline for water conservancy engineering. The blocking prevention pipeline includes a blocking prevention pipeline body, a supporting frame, a pipe body, splicing plates, a blowoff pipe and a splicing head, the bottom of the blocking prevention pipeline body is connected with the supporting frame in a nested mode, the bottom end of the supporting frame is tightly welded to a base, the middle part of the supporting frame is connected with the pipe body in a penetrating mode, the two ends of the pipe body are fixedly connected with the splicing plates, the bottom end of the pipe body is connected with the blowoff pipe in an embedded mode, and the top end of the blowoff pipe is fixedly connected with the splicing head. The splicing head reflectsleakage-proof and installation properties of the blocking prevention pipeline, the blowoff pipe reflects blocking prevention performance and practicability of the blocking prevention pipeline, the splicing plates reflect installation performance and filterableness of the blocking prevention pipeline, the pipe body reflects the blocking prevention performance of the blocking prevention pipeline, aleakage-proof pipe reflects leakage-proof and environmental protection properties of the blocking prevention pipeline, a fine filter screen reflects practicability of the blocking prevention pipeline, a barrier net reflects filterableness and the blocking prevention performance of the blocking prevention pipeline, and the supporting frame reflects stability and the installation performance of theblocking prevention pipeline; and broad development prospects in the future are achieved.

The invention relates to a dredging device, in particular to an urban small river dredging ship. The urban small river dredging ship comprises a bridge frame positioned at a stem, a suction and discharge device positioned in a ship cabin and a positioning pile positioned at the stern; an A-shaped rack for hoisting the bridge frame is positioned at the stem; the front end of the bridge frame is connected with a digging cutter through a flange; the suction and discharge device comprises a diesel engine and an integrated mud pump gear box; a driving hydraulic motor connected with the digging cutter is arranged in the bridge frame; the digging cutter is a bucket wheel, a common reamer or an environment-friendly reamer; the bucket wheel has rated buckets or a few buckets; the common reamer is an opened reamer or a closed reamer; and the environment-friendly reamer has multiple knives or a few knives. The urban small river dredging ship can meet the specificity of dredging urban rivers, andcan conveniently dredge, and dig the urban rivers and sail in the urban rivers.

The invention discloses a flow-passing-type debris flow blocking dam and a dam group. The flow-passing-type debris flow blocking dam and the dam group which is composed of a plurality of flow-passing-type debris flow blocking dams are included. The flow-passing-type debris flow blocking dam is composed of a main dam body, an overflow weir and a plurality of draining holes. The overflow weir is located above the main dam body, and the multiple draining holes are formed in the bottom of the main dam body. The flow of the overflow weir and the flow of the draining holes should meet the following conditions that the discharge capacity of the overflow weir and the draining holes satisfies the requirement of the maximum flow rate of debris flow capable of guaranteeing safety of the blocking dam, the let-down flow rate of the draining holes is smaller than the maximum let-down safety flow rate capable of guaranteeing safety of a downstream protective area, the minimum width of the draining holes can ensure that stone with the maximum stone particle size in channel passing flow, desilting vehicles and equipment pass through, and the total storage capacity of the blocking dam and the dam group can effectively block the maximum total rush-out amount of the debris flow under the fortification standard. The flow-passing-type debris flow blocking dam and the dam group have the beneficial effects that the structure is safe, desilting is convenient, the retaining storage capacity can be used repeatedly, and the effects of preventing disasters and reducing damages are obvious.

The invention relates to a cleaning and dredging device for an SCR (Selective Catalytic Reduction) catalyst pore. A supporting mechanism comprises a frame and lower supporting beams fixed at the bottom of the frame, wherein a drive shaft and a driven shaft which are respectively connected with the frame are arranged on two lateral plates of a box body through bearings, a motor arranged on the boxbody is connected with the drive shaft through a speed reducer, a catalyst unit is vertically arranged in the frame, at least two connecting beams on a top cover are connected with more than two cross beams and more than two longitudinal beams, two sides of the connecting beams are detachably arranged at the top of the frame through fastening members, regulating and limiting mechanisms are arranged on the joints of the top cover and catalysts, regulating members of the regulating and limiting mechanisms are connected with lower supporting plates and upper supporting plates, the lower supporting plates correspond to the joints of all groups of catalysts, cross limiting grooves at the tops of the upper supporting plates are connected with the cross beams and the longitudinal beams, and the lower part of the box body is also provided with a bubbling mechanism. The device provided by the invention has the advantages of reasonable structure, convenience for installation, capability of integrally cleaning the catalyst unit without crushing the catalysts, and capability of improving the cleaning efficiency.