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898 results about "Dewatering" patented technology

Dewatering /diːˈwɔːtərɪŋ/ is the removal of water from solid material or soil by wet classification, centrifugation, filtration, or similar solid-liquid separation processes, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.

Foundation pit dewatering treatment method and system, electronic equipment and storage medium

The invention discloses a foundation pit dewatering treatment method and system, electronic equipment and a storage medium, and relates to the field of foundation pit dewatering treatment. The method comprises the following steps: acquiring various data from sensors mounted at preset positions around a foundation pit and inside the foundation pit, integrating the various data with meteorological data and geological survey data, and establishing a space-time database; according to the data in the space-time database, using a preset LSTM neural network model to predict a first water level change in a future preset time, and according to the three-dimensional seepage field dynamic simulation engine, using a soil parameter inversion algorithm of machine learning to invert soil parameters; according to the first water level change, a variable frequency pump group cooperative control algorithm is used for cooperative control over the pump set, and pump set operation parameters are dynamically adjusted for drainage; and controlling the recharge pressure and the water quality according to the second water level change of the foundation pit after drainage and the soil parameters. According to the technical scheme, efficient and intelligent treatment of foundation pit dewatering is achieved.
Owner:JIANGSU ROCK BASE UNDERGROUND ENG CO LTD

Cloth pressing assembly and water-containing material dehydration equipment

The utility model provides a cloth pressing assembly and water-containing material dewatering equipment, the cloth pressing assembly comprises a pressing rod which is used for pressing filter cloth and extends along the horizontal direction, and an angle is formed between the length direction of the pressing rod and the laying direction of the filter cloth; the limiting component is at least arranged on the side, facing the laying direction of the filter cloth, of the pressing rod, and the limiting component is attached to the pressing rod. According to the utility model, through the arrangement of the limiting component, when the pressing rod is subjected to the horizontal acting force of the filter cloth, the pressing rod can be propped through the limiting component, particularly, one side, facing the laying direction of the filter cloth, of the pressing rod is propped, so that the pressing rod is prevented from displacing along the horizontal direction, and the pressing effect of the pressing rod on the filter cloth is ensured.
Owner:BEIJING JINYU MANGROVE ENVIRONMENTAL PROTECTION TECH +1

Plastic film recovery processing equipment

The invention relates to the field of waste plastic recycling, and discloses plastic film recycling equipment which is used for cleaning and recycling broken plastic films. Comprising a cleaning pool, an inclined conveying belt is arranged at the tail end of the cleaning pool, water filtering holes are formed in the conveying belt, and an extrusion component is arranged on the conveying belt; and the fished-out fragments are extruded by the extrusion part, so that the drainage speed of the fragments is accelerated, and the subsequent recovery processing step is ensured to be smoothly carried out. A traditional conveying belt drains water only by means of gravity, and water in wet plastic fragments and between layers is difficult to effectively discharge, so that the water yield is large. The intermittent extrusion action is introduced in the operation cycle of the conveying belt, and the'wet cake 'structure formed by the surface tension of a water film of the wet material is destroyed in the squeezing process, so that the moisture is easier to release, the initial moisture content of the material is greatly reduced, the load of subsequent centrifugal dewatering or hot air drying equipment is effectively reduced, and the energy consumption and the operation cost are remarkably reduced.
Owner:HUIZHOU SHIXIANG ENVIRONMENTAL PROTECTION TECH CO LTD

Low-quality coal high-precision dry-method deashing and upgrading method and process

The invention relates to the technical field of pulverized coal processing, in particular to a low-quality coal high-precision dry-method deashing and upgrading method and process, and the method comprises the following process steps: S1, conveying and pretreatment; s2, vibrating and blowing; s3, primary screening; s4, screening for the second time; s5, dewatering and drying; s6, monitoring, regulating and controlling; and S7, collection and recovery. Comprising a shell and a spiral feeder, two vibration motors are symmetrically installed on the shell, two damping bases are symmetrically installed at the bottom end of the shell, the device further comprises a pretreatment mechanism, and the pretreatment mechanism is arranged on the shell and the spiral feeder. According to the device, coal powder can be preheated and preliminarily crushed and separated, so that preparation is made for the subsequent dewatering and drying process, the coal powder can be promoted to be subjected to secondary crushing and separation in the subsequent flowing and drying process, and unqualified coal powder and dust in the coal powder are separated, discharged and recycled; therefore, the overall quality of pulverized coal drying and deashing is effectively improved.
Owner:CHINA UNIV OF MINING & TECH

Method and system for separating and treating sludge in dredged sediment

The invention relates to the technical field of dredged sediment treatment, and discloses a dredged sediment sludge separation treatment method and system.The method comprises the following steps that S1, pretreatment is conducted, specifically, dredged mud is sequentially subjected to impurity removal and primary precipitation concentration, impurities are removed, and preliminary concentrated mud is obtained; s2, pollutant extraction and sludge separation; s3, carrying out multi-phase separation and pollutant enrichment; step S4, mud phase treatment; and step S5, residual water treatment. According to the dredged bottom mud sludge separation treatment method and system, pollutants in dredged mud are separated out by introducing a solid-phase extraction adsorption material and / or a liquid-phase extraction agent, and the pollutants are separated out through a sludge separation enhanced mass transfer unit integrating stirring, micro-nano bubble generation and pH regulation functions in the treatment process. The extraction-separation efficiency is remarkably enhanced by utilizing the synergistic effect of physical disturbance, interfacial effect and chemical conditions, and the core problems of mixed treatment of sludge, incomplete removal of pollutants and low recycling level in the traditional process are effectively solved.
Owner:CCCC SHANGHAI DREDGING CO LTD

Smart dewatering and water stopping method for foundation pit

A smart dewatering and water stopping method for a foundation pit, the method comprising the following steps: step S1, dewatering: arranging a plurality of dewatering wells, arranging dewatering water pumps, and lowering a water level in each dewatering well to a preset position by means of each dewatering water pump; step S2, drainage: arranging water collection systems, and draining water from inside a foundation pit by means of the water collection systems; step 3, water blocking: arranging an underground water blocking barrier to prevent underground water outside the foundation pit from flowing into the foundation pit; step S4, water cut-off: arranging a water blocking wall to block water-layer interflow between the interior of the foundation pit and the exterior of the foundation pit; and step S5, performing well water level monitoring, and starting an emergency measure: when a water level exceeds a preset safety range or a stability index of the foundation pit is reduced, starting an automatic emergency measure system. In the present application, for underground water control, the automatic emergency measure system is used to achieve the aims of smart dewatering and water stopping of the foundation pit.
Owner:NO 4 ENG CO LTD OF CHINA RAILWAY NO 9 GRP +2

Anti-clogging rapid laying construction method for municipal drainage pipeline in pluvial area

The invention discloses an anti-clogging rapid laying construction method for municipal drainage pipelines in a pluvial area, and relates to the technical field of municipal engineering. According to the method, through construction early-stage investigation and pretreatment, a high-pressure jet grouting pile and a steel sheet pile are combined to form a water interception curtain and vacuum well point dewatering is adopted, and a pipeline with a nanometer hydrophobic coating and a flow guide protruding edge is prefabricated; during rapid excavation, rapid hardening concrete is used for supporting, and a prefabricated module foundation with a permeable blind pipe is laid; laser positioning is adopted for hoisting, and double sealing is adopted for interfaces; graded gravel and a curing agent are used for backfilling, and ground penetrating radar is matched for detection; acceptance inspection is combined with a closed water test and an endoscope, and an intelligent monitoring device is installed to be connected into an intelligent system. The problems that construction efficiency is low and pipelines are prone to clogging in rainy areas are solved, the construction period is shortened by 30% or above, the initial clogging rate is reduced by 60%, and the method is suitable for drainage projects in areas with the annual precipitation being 800 mm or above.
Owner:ZHEJIANG ZHEJING CONSTR DEV CO LTD

Purified cotton extrusion dehydration device

The utility model discloses a refined cotton extruding and dehydrating device which comprises a base, a control case, a dehydrating and extruding seat and an extruding seat, a control case and a dehydration extrusion seat are mounted on the base; the base is provided with a water draining and discharging assembly for isolating, filtering, draining and discharging extruded raw materials; a driving assembly for driving the extrusion seat to move downwards to extrude and rotate is arranged on the dehydration extrusion seat; according to the device, the driving assembly is arranged to drive the extrusion base to move downwards to extrude and dewater refined cotton materials, the drainage and discharging assembly isolates the refined cotton materials and discharges extrusion moisture during extrusion and dewatering, and after extrusion and dewatering are completed, the extrusion base is driven to move downwards to conduct extrusion and dewatering on the refined cotton materials. The exhaust assembly cleans residual moisture contacted with the extruded refined cotton material, prevents the refined cotton material from reabsorbing moisture, and improves the dehydration effect.
Owner:HUBEI JINHANJIANG REFINED COTTON

Large-strain consolidation algorithm, equipment and medium for horizontal vacuum dehydration of sludge

The invention relates to a large-strain consolidation algorithm, equipment and medium for horizontal vacuum dehydration of sludge, and the algorithm comprises the following steps: 1, obtaining basic parameters of a constitutive relation of a target soil body through an indoor consolidation experiment and a penetration experiment, 2, obtaining load conditions of the target soil body through surveying a geological exploration report and an engineering design scheme, the method comprises the steps of (1) establishing a one-dimensional PHD consolidation model, (2) establishing a one-dimensional PHD consolidation model and deducing a control equation under equal strain conditions, (3) introducing a virtual time step and calculating the consolidation degree in a manner of carrying out segmented increment processing on time, (4) establishing the one-dimensional PHD consolidation model and deducing a control equation under equal strain conditions, and (5) calculating the final consolidation degree based on the virtual time step and the control equation, and further comprises equipment and a medium. According to the method, the influence of non-uniform consolidation is incorporated into the one-dimensional theoretical consolidation analysis of the Taisha foundation, and the consolidation coefficient is corrected by using the control equation based on the virtual time step and the strain condition, so that convenient and accurate consolidation calculation is realized.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore

An efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore includes a hydraulic tossing washing and scattering pretreatment device, a high-frequency linear vibration grading device, a first-stage multiphase-flow swirling grading device, an energy-gathering ultrasonic scrubbing device, a second-stage multiphase-flow swirling grading device, a high-frequency linear vibration dewatering device, an efficient uniform-mixing and activating system and a conditioning and pressing dewatering system. The present disclosure implements intensive mud-sand stripping of crushed argillaceous sandstone uranium ore, fine graded-separation of material, and efficient uniform-mixing and activating and deep efficient dewatering of fine-particle argillaceous material. Finally, four types of core material of coarse sand material, fine sand material, dry tailings residue and a high-concentration uranium ore leaching solution are formed through continuous work. Efficient multiphase-flow graded-separation, concentration and purification of the argillaceous sandstone uranium ore are implemented, and an intensive extraction rate of uranium ore resources is improved.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Intelligent control method and system for foundation pit dewatering

The invention relates to the technical field of foundation pit dewatering, in particular to an intelligent control method and system for foundation pit dewatering, and the method comprises the steps: carrying out the historical data collection of an area where foundation pit excavation and dewatering are planned, and finding an underground water level rule and an underground water flowing direction rule of the area under various air temperature and dewatering conditions through the historical data. After the rule is obtained, the flow direction and the water level of the underground water can be predicted by using the meteorological data at the future time point, and then the position of the precipitation well is arranged by using the flow mode of the underground water, so that the position of the precipitation well is more reasonable. Besides, the water level in the dewatering well is controlled through the water pump, during control, the underground water level rule is used for predicting the underground water change amount in the future time, the change amount is used for adjusting a water pump control signal in advance, and therefore the method has the good external interference resisting capacity.
Owner:CHINA RAILWAY NO 8 ENG GRP CO LTD +2

Foundation pit dewatering dynamic optimization method and system based on intelligent regulation and control

The invention relates to the technical field of foundation pit dewatering, in particular to a foundation pit dewatering dynamic optimization method and system based on intelligent regulation and control. The method comprises the following steps: performing dynamic filtering processing on real-time water level data to obtain a water level prediction deviation; dynamically correcting the permeability coefficient through pore water pressure to obtain dynamic geological parameters; combining the water level prediction deviation, the dynamic geological parameters and rainfall infiltration replenishment to obtain rainfall demand characteristics; calculating a safety efficiency tradeoff coefficient according to the rainfall efficiency and the risk coefficient; and based on the rainfall demand characteristics and the safety efficiency tradeoff coefficient, using an improved particle swarm optimization algorithm to solve a dynamic rainfall scheme. Through multi-source data dynamic feature extraction, scene adaptive weight optimization and multi-dimensional risk coupling evaluation, high-precision control of the water level is realized, the safety risk and energy consumption are reduced, multiple scenes such as soft soil and sandy soil are adapted, and an effective scheme is provided for intelligent regulation and control of foundation pit dewatering.
Owner:JIANGXI PROVINCIAL EXPRESSWAY INVESTMENT GRP CO LTD +1

Mop cleaning device

The present invention discloses a mop cleaning device, including a bucket body, where a squeezing chamber and a water storage chamber for cleaning or dewatering of a mop are disposed in the bucket body, a squeezing mechanism is disposed on the bucket body, a water supply mechanism is disposed in the water storage chamber, the water supply mechanism is communicated to the squeezing mechanism, the water supply mechanism includes a water pump disposed in the water storage chamber, a retractor disposed on the squeezing mechanism, and a sliding assembly disposed along an inner side wall of the squeezing chamber in an up-and-down movement manner, the sliding assembly is connected to the retractor, and the retractor is connected to the water pump through a transmission assembly.
Owner:LIN SHENGCHAO

Dehydration box for papermaking

The utility model discloses a dewatering box for papermaking, which relates to the technical field of paper pulp dewaterer and comprises a dewaterer consisting of a concave case, a feed hopper and a material blocking device, the feed hopper is fixed at the top of one end of the concave case, the material blocking device is mounted at the other end of the concave case, a dewatering component is arranged on the inner side of the concave case, and the dewatering component is arranged on the inner side of the concave case. The dewatering assembly is used for conveying and dewatering paper pulp; the dewatering assembly comprises a dewatering box, a driving motor, a variable-diameter spiral feeding piece and an inclined flow guide piece. According to the utility model, the inclined flow deflectors are arranged, and water flow discharged from the screen holes above the central axis of the variable-diameter spiral feeding sheet flows downwards along the inclined surfaces of the inclined flow deflectors, so that the phenomenon that the water flow flowing out from the upper screen holes flows into the lower screen holes to cause the paper pulp to absorb water again can be avoided; the paper pulp dehydration efficiency and the dehydration effect are further improved.
Owner:ZIBO TIANYANG PAPER MACHINERY CO LTD

Efficient sludge centrifugal dewatering treatment system and method

The invention relates to the technical field of sludge treatment devices, in particular to an efficient sludge centrifugal dewatering treatment system and method. The efficient sludge centrifugal dewatering treatment system comprises a rotary drum, a connecting pipe and a dewatering mechanism. The rotary drum comprises a conical pipe, and the dewatering mechanism comprises a dewatering assembly and an adjusting assembly. The dewatering assembly comprises a movable auger and an opening plate. When the rotary drum is blocked, materials in the rotary drum need to be discharged outwards, the opening plate moves in the direction away from the axis of the connecting pipe, the differential speed between the movable auger and the rotary drum is gradually increased, and the blocked materials can be actively pushed outwards through generated larger torque. And the displacement of the movable auger towards the first end of the conical pipe is gradually increased, so that materials can be discharged more quickly, the blockage problem is efficiently solved, meanwhile, continuous operation without shutdown is realized, and the operation efficiency of the dehydration equipment is remarkably improved. The invention provides an efficient sludge centrifugal dewatering treatment system and method, and aims to solve the problem that an existing dewatering machine cannot be automatically cleaned when being blocked.
Owner:ANHUI MEIKEJIA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Non-thermal efficient sludge dewatering system

The utility model discloses a non-thermal efficient sludge dewatering system which comprises a distributor and a mesh belt conveyor arranged below the distributor, an upper layer filter cloth winding drum and a lower layer filter cloth winding drum are arranged on the left side and the right side of the distributor, and a compression roller is arranged at the output end of the mesh belt conveyor; a filter pressing frame capable of horizontally moving is arranged below the output end of the mesh belt conveyor, a plurality of vertical extrusion plates distributed left and right at intervals are elastically installed in the filter pressing frame, a water outlet hole is formed in the bottom of the filter pressing frame, and an extrusion air cylinder is arranged on the left side of the filter pressing frame; the leftmost vertical extrusion plate is connected with a linkage support, and the linkage support is provided with a guide roller, an upper winding roller and a lower winding roller. Compared with a traditional spin-drying mode, the system has the advantages of being small in energy consumption, free of heat energy waste, capable of running automatically, continuously and stably, low in cost and high in dehydration efficiency.
Owner:SHANGHAI NIXIAOXIAN ENERGY TECH CO LTD

White spirit production wastewater treatment process and system

The invention relates to the technical field of fermentation industrial wastewater treatment, and particularly discloses a white spirit production wastewater treatment process and system. The system comprises a pretreatment unit, an anaerobic treatment unit, a denitrification unit, a multi-stage biochemical treatment unit, an advanced treatment unit, a sludge treatment unit and a backwashing water recovery unit which are connected through a corrosion-resistant pipeline, a variable frequency pump body and a control valve group. The method comprises the following steps: homogenizing water quality and water quantity through an adjusting tank, adjusting the pH value through a neutralizing tank, pretreating through a microfilter and an air flotation device, sequentially feeding into a hydrolysis acidification tank and a two-stage UASB reactor to degrade organic matters, reducing nitrogen concentration through a denitrification unit, deeply degrading pollutants through a multi-stage biochemical system, and finally realizing up-to-standard discharge through magnetic coagulation phosphorus removal and decoloration treatment. The sludge is subjected to resource utilization after being concentrated and dehydrated, and backwashing water and filtrate are recycled and retreated. The system is high in treatment efficiency, low in operation cost, high in resource recovery rate, stable in effluent and suitable for wastewater treatment of various white spirit production enterprises.
Owner:GUIZHOU CRRC GREEN ENVIRONMENT CO LTD

Deep foundation pit dewatering-recharging control method, device and system

The invention provides a deep foundation pit dewatering-recharge control method, device and system.The deep foundation pit dewatering-recharge control method comprises the steps that a target area is monitored in real time, and environmental data of the target area are collected; the environment data comprises water level data, water quality data and deformation data; constructing a multi-physical field coupling prediction model, and predicting a future environmental response of the target area based on the environmental data to obtain a prediction result; performing a global collaborative optimization control decision based on the prediction result, and generating a control instruction; and executing the control instruction, and carrying out multi-stage emergency response. Through the method and the system, the environment can be more comprehensively sensed, the risk can be accurately predicted, intelligent collaborative regulation and control of rainfall-recharge can be realized, the environmental influence can be reduced, the resource utilization efficiency can be improved, and the problem of poor monitoring and prediction accuracy of a complex environment in the prior art can be solved.
Owner:CHINA FIRST METALLURGICAL GROUP

Foundation pit dewatering system and dewatering method in coastal area

The invention provides a coastal area foundation pit dewatering system and method, and belongs to the technical field of foundation pit dewatering, the coastal area foundation pit dewatering system comprises a foundation pit, a plurality of light well points, a deep tube well and an electroosmosis auxiliary module, and the light well points are annularly arranged in a shallow layer area on the periphery of the foundation pit; the deep tube well extends to a deep area from the ground; and a plurality of electro-osmosis auxiliary modules are arranged in the peripheral clay layer area of the foundation pit. The annularly-arranged light well points evenly intercept shallow underground water around the foundation pit, the deep pipe wells can rapidly reduce the deep underground water level, and the drainage problem of a low-permeability clay layer area is effectively solved through the synergistic effect of the arranged electro-osmosis auxiliary modules and the well points / pipe wells; the synchronous precipitation uniformity of the complex soil layer is improved, layered targeted precipitation design is adopted in a shallow area, a deep area and a clay layer area, and the overall precipitation efficiency is improved. According to the foundation pit dewatering system in the coastal area, the problem that in the prior art, in the environment with complex hydrogeological conditions, the dewatering efficiency of a single dewatering measure is low is solved.
Owner:CHINA HUADIAN ENG CO LTD +1

Cleaning, dewatering and packaging integrated equipment for vegetable processing

The invention relates to the field of vegetable processing, in particular to cleaning, dewatering and packaging integrated equipment for vegetable processing, which comprises a sewage collecting tank, a feeding hopper, a transition plate, a support frame and a discharging plate are sequentially arranged at the upper end of the sewage collecting tank, a packaging machine is fixedly arranged on one side of the sewage collecting tank, the feeding end of the packaging machine is aligned to the discharging plate, and a conveying belt is arranged in the support frame. A conveying motor is fixedly arranged on the outer side of the supporting frame and drives a conveying belt to rotate circularly, the surface of the conveying belt is sequentially divided into a climbing section, a straight section and a corrugated section in the conveying direction, a cleaning mechanism and a dewatering mechanism are arranged in the supporting frame, the transition plate is smoothly connected with the climbing section, and the cleaning mechanism is located above the straight section. And the dewatering mechanism is positioned above the corrugated section. According to the invention, the integrated treatment process of automatic cleaning, dewatering and packaging of vegetables can be realized.
Owner:DINGFU FOOD TECH (JIANGSU) CO LTD

Method and device for washing and separating slurry

The invention provides a slurry washing and separating method and device, and relates to the technical field of slurry separation. The N-stage countercurrent washing is carried out in the horizontal screw conveyor, the first two-stage washing and dewatering unit in the prior art is replaced, only one-time dewatering is needed, the equipment operation energy consumption can be obviously reduced, the operation is simplified, the maintenance workload is reduced, the water-cement ratio is reduced, and the water consumption for washing is small. The N horizontal spiral conveyors connected in series are adopted as the N-stage countercurrent washing device to replace the first two stages of washing and dewatering units in the prior art, so that the running power and energy consumption of the equipment can be remarkably reduced, the operation is simplified, the maintenance workload is reduced, the water-cement ratio is reduced, and the water consumption for washing is small.
Owner:HANGZHOU RENHONG ENVIRONMENTAL TECH CO LTD

Gradient dehydration type food raw material rapid drying device

The invention relates to the technical field of food dehydration, and discloses a gradient dehydration type food raw material rapid drying device which comprises a base and a drying box fixedly connected to the bottom end of the base, and further comprises a dehydration mechanism, comprising a feeding trough plate fixedly connected to the top end of the base in a penetrating mode, a dewatering assembly arranged at the bottom end of the feeding trough plate and a driving assembly arranged at the bottom of the dewatering assembly. Through the double-layer structure of the first dewatering tank plate and the second dewatering tank plate, and in cooperation with the filter plates with different filter hole sizes, graded filtering and gradient dewatering of materials are achieved, so that the materials enter the first dewatering tank plate firstly, and large impurities and part of free water are separated out under the action of eccentric rotation driven by the driver and preliminary drying of the dryer; then the materials enter a second dewatering groove plate, fine particle impurities and residual water are further removed through larger-amplitude jolting and finer filtering holes, and the purity and dewatering efficiency of the materials are remarkably improved.
Owner:SHANGHAI QIAONONG FOOD TECH CO LTD

Equipment for improving centrifugal dewatering efficiency of sludge and related method thereof

The invention relates to the field of sludge treatment, in particular to equipment for improving centrifugal dewatering efficiency of sludge and a related method thereof. The equipment for improving the sludge centrifugal dewatering efficiency comprises an outer barrel, a supporting rotary barrel, a filter bag and a plurality of elastic supporting rods, the supporting rotary barrel is coaxially and rotatably arranged in the outer barrel, the filter bag is located on the inner side of the supporting rotary barrel, the upper end of the filter bag is fixed to the top of the supporting rotary barrel, and the lower end of the filter bag can be pulled up and down; the plurality of elastic supporting rods are uniformly arranged on the supporting rotary drum along the circumferential direction and are positioned on the inner side of the filter bag. In the centrifugal dewatering process, the elastic supporting rod is close to the filter bag and deforms to store energy, the elastic supporting rod is buried into solid sludge along with increase of the solid sludge on the filter bag, during discharging, the elastic supporting rod resets and is separated from the solid sludge, the integrity of the solid sludge on the filter bag is damaged, and then discharging can be achieved by pulling and shaking the filter bag. The discharging speed is higher, the discharging efficiency is higher, and the dewatering efficiency can be greatly improved.
Owner:ANHUI MEIKEJIA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Dehydrating and drying device for coal gasification coarse slag

The utility model discloses a coal gasification coarse slag dewatering and drying device, which relates to the technical field of coal gas coarse slag treatment equipment and comprises centrifugal equipment, a drying device body flush with the ground is arranged on the right side of the centrifugal equipment, and a mixing box is arranged on the left side of the drying device body. A feeding port of the mixing box is communicated with centrifugal equipment through a pipeline, a dust removal assembly is arranged on the outer surface of the mixing box, and dust generated during coarse slag feeding can be intensively discharged through the arrangement of the dust removal assembly, so that the situation that the dust easily falls down and is attached to a heat outlet or a heat exchange surface is avoided; according to the device, the heating efficiency is improved, the workload of a user is relieved, time and labor are saved, and when dust is discharged, the dust can be intercepted and adsorbed one by one through the dust removal assembly, so that the situation that the surrounding environment is damaged when the dust is discharged is avoided, the environmental protection property of the surrounding environment is improved, and the device is convenient to use.
Owner:ORDOS INST OF APPLIED TECH +1

Self-induction water pumping device for deep foundation pit dewatering

The invention discloses a deep foundation pit dewatering self-induction water pumping device, and relates to the field of foundation pit dewatering, the deep foundation pit dewatering self-induction water pumping device comprises a shell, the shell comprises a well wall pipe, water seepage holes are formed in the side wall of the well wall pipe, a conical head is fixedly mounted at the bottom of the well wall pipe, a storage cavity is formed in the conical head, and a frustum is fixedly mounted at the top of the well wall pipe; the filtering inner container comprises a mounting cylinder and a filtering part; the mounting cylinder is arranged in the well wall pipe and is coaxial with the well wall pipe; the filtering part is connected to the outer wall of the mounting cylinder in a sleeving manner; according to the invention, the mesh size of the flexible filter screen is dynamically adjusted along with the backflushing and water pumping process, and the filter screen is cleaned without dead angles in cooperation with spiral backflushing water flow, so that the filtering and backflushing efficiency is greatly improved; meanwhile, a top water inlet, a well wall water seepage hole and a conical head sewage inlet hole of the device can be synchronously plugged during backflushing, backflushing sewage is thoroughly prevented from flowing back to a soil layer or overflowing to a foundation pit, and dryness of the foundation pit and stability of the soil layer are guaranteed.
Owner:CHINA RAILWAY CONSTR ENG GRP FOURTH CONSTR CO LTD +1

Novel multifunctional prefabricated pipe pile with dewatering and drainage functions

The novel multifunctional prefabricated pipe pile comprises a pipe pile body and a flushing pipe, the pipe pile body comprises a pile tip and a pile body, the pile body is located at the upper end of the pile tip, a plurality of evenly-distributed water permeable holes are formed in the pile body, the flushing pipe is provided with a plurality of water outlet pipes, the water outlet pipes are communicated with the water permeable holes, the flushing pipe is vertically distributed, and the water outlet pipes are communicated with the water permeable holes. According to the method, the construction cost in the precipitation stage is reduced, the construction period is shortened, and the utilization efficiency of existing facilities on site is improved.
Owner:MCC5 GROUP SHANGHAI CORPORATION LIMITED

Sectional type vacuum drying equipment

The invention discloses sectional type vacuum drying equipment, and relates to the technical field of drying equipment, the equipment comprises a conveying line, a heat pump unit, a cleaning unit, a vacuum drying unit and an air supply unit; the conveying unit continuously conveys parts to be cleaned, the parts are cleaned in a full-surrounding mode through the cleaning unit and the high-pressure cleaning module in sequence, a shielding door which is independently opened and closed is arranged to reduce external pollution, and the vacuum drying unit conducts short-time vacuum heating on the parts through a vacuum module, a cover door and heating fins of the heat pump unit. The air supply unit is connected with the air supply end of the vacuum module, cooling is conducted through refrigeration fins of the heat pump unit, and cold air for drying and dewatering is used for conducting secondary drying on the parts and reducing the temperature of the parts. Integrated continuous operation of cleaning, vacuum drying and cold air drying is achieved, the part drying efficiency and uniformity are improved, the overall energy consumption of the cleaning and drying links is reduced, and the device is suitable for batch production operation of automobile parts.
Owner:GUANGZHOU YINZHAN INTELLIGENT TECHNOLOGY CO LTD

A plastic film recycling apparatus

The application discloses the field of waste plastic recycling, and discloses a plastic film recycling device which is used for cleaning and recycling of the broken plastic film and comprises a cleaning pool, the end of the cleaning pool is provided with a conveying belt arranged obliquely, water filtering holes are formed in the conveying belt, and extrusion components are arranged on the conveying belt; the broken pieces are extruded by the extrusion components, so that the speed of water drainage of the broken pieces is accelerated, and the subsequent recycling process is ensured to be carried out smoothly. The traditional conveying belt only relies on gravity to drain water, and the water in the wet plastic pieces and between the layers of the wet plastic pieces cannot be effectively drained, so that a large amount of water is taken out. In the running cycle of the conveying belt, intermittent extrusion actions are introduced, the squeezing process destroys the "wet cake" structure of the wet material caused by the surface tension of the water film, so that the water is more easily released, the initial moisture content of the material is greatly reduced, the load of the subsequent centrifugal dewatering or hot air drying equipment is effectively reduced, and the energy consumption and operation cost are significantly saved.
Owner:HUIZHOU SHIXIANG ENVIRONMENTAL PROTECTION TECH CO LTD

Sludge treatment device with deep dehydration function and treatment method thereof

The invention relates to the related technical field of solid waste pollution treatment, discloses a sludge treatment device with a deep dehydration function and a treatment method thereof, and aims to solve the problem that sludge and sewage are difficult to centrifugally dewater. When a sludge and sewage mixed solution to be treated is conveyed to an area between the inner filter cylinder and the outer filter cylinder, the outer filter cylinder and the inner filter cylinder can be used for synchronously filtering sewage, so that the sewage treatment rate is increased; in addition, when the outer filter cylinder rotates and sludge is centrifugally dewatered, part of sewage is separated from the outer filter cylinder, but the sludge is influenced by centrifugal force, so that the sludge is stacked on the inner side of the outer filter cylinder, and the sewage is not easy to discharge from the outer filter cylinder and gather in the middle of the outer filter cylinder along with the increase of the thickness of a sludge layer; the inner filter cartridge arranged in the middle of the outer filter cartridge can be used for discharging sewage gathered in the middle outwards, so that sewage pre-filtration treatment is finally realized.
Owner:宿迁市宿城环境应急与信息中心 +1

Raw material cleaning and placing rack for Fotiaoqiang production

The utility model belongs to the field of Fotiaoqiang wall production, and discloses a raw material cleaning and placing rack for Fotiaoqiang wall production, which comprises a basket device for bearing and placing raw materials, and further comprises a water tank device for sliding to adjust the cleaning position and recycling water, and a flushing device for spraying water for cleaning is arranged behind the water tank device. The plurality of basket devices are arranged on the water tank device side by side in a sliding manner; the water tank device comprises a rack assembly, a supporting table is arranged on the circumference of the inner wall of the rack assembly, and an adjusting assembly used for adjusting the cleaning position in a sliding mode is arranged behind the rack assembly. The flushing device comprises a water storage tank, a water pump is installed behind the water storage tank, and a spraying assembly is arranged on the water pump. According to the raw material cleaning and placing rack for Fotiaoqiang wall production, due to the fact that the multiple stations are arranged in a separated mode, alternate cleaning, placing and draining are facilitated, and the production speed is increased; and the cleaning position is adjusted through sliding, so that the operation convenience is improved.
Owner:FUJIAN HAIWENMING MARINE TECH DEV CO LTD