674 results about "Dewatering" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention provides an efficient copper electrolysis anode slime dehydration method, belongs to the technical field of filter pressing, and solves the problem that whether a diaphragm of an anode slime filter press leaks or not cannot be detected in the existing anode slime dehydration use process. Adjusting the water pressure to a target pressure value through an overflow valve; a pressure sensor on the anode mud dehydration device is used for monitoring and feeding back the pressure in a diaphragm in real time, and punching is adjusted or stopped according to data fed back by the pressure sensor arranged between the water storage tank and the multi-stage centrifugal pump; accumulated water in the diaphragm is discharged to the water storage tank through the water return valve for collection and utilization, and the radar liquid level meter monitors the liquid level of the water storage tank. According to the method, the diaphragm pressure of the anode mud dehydration device is set and monitored, the diaphragm state is detected in real time, the dehydration effect is ensured, the water supplementing function is achieved, the dehydration efficiency is improved, the monitoring capacity is enhanced, automatic operation is achieved, and equipment and facilities are protected against corrosion.

The invention discloses a deep sea polymetallic nodule dewatering and drying system which comprises a dewatering module and a drying module. The dehydration module is used for dehydrating free gap moisture of deep sea metal nodules, the dehydration module separates the free gap moisture from the metal nodules in a mechanical vibration and extrusion crushing mode, and residual seepage water of the metal nodules in the storage process is collected and discharged. The deep sea metal nodule integrated treatment process is integrated on the ship, offshore in-situ treatment is achieved, and economic benefits are improved. By combining multiple stages of dehydration equipment, the dehydration efficiency of free pore water of the metal nodule is improved. The dewatered metal nodule is heated and dried by waste heat of the smoke pipe of the ship main engine, capillary water and adsorbed water in the metal nodule are effectively evaporated, the water content of the metal nodule is reduced from 80% to about 10%, and meanwhile the ship energy recycling rate is increased.

The utility model discloses a high-efficiency energy-saving type steam dewatering pressure pump, which belongs to the technical field of steam dewatering, and is characterized in that the high-efficiency energy-saving type steam dewatering pressure pump comprises a bottom plate, and an automatic controller is arranged on the front side of the bottom plate, an automatic dewatering mechanism is arranged, and a sliding rod and a top ball are driven to move up and down by utilizing the characteristic that a floating ball ascends and descends along with the water level in a dewatering shell; when the water level rises, the floating ball floats upwards, the top ball is close to the contact type sensor, the contact type sensor transmits a signal to the automatic controller, the automatic controller accurately controls the pressurization pumping drainage structure to be opened according to the signal, condensed water is drained in time, and when the water level drops, the floating ball drops, the top ball is away from the contact type sensor, and the automatic controller controls the pressurization pumping drainage structure to be closed. The process effectively overcomes the interference of steam pressure fluctuation on drainage, and compared with a traditional floating ball type drain valve, drainage is more timely and more accurate, condensation water accumulation is prevented, the steam conveying efficiency is guaranteed, meanwhile, the operation cost is reduced, the water hammer phenomenon is reduced, and the service life of equipment is prolonged.

This utility model discloses a dewatering device for quartz sand after washing and impurity removal, including a dewatering component, a feeding component, and a discharging component. The feeding component is located on one side of the dewatering component, and the discharging component is located at the lower end of the dewatering component. The dewatering component includes a centrifugal dewatering chamber; a screen tube is installed inside the centrifugal dewatering chamber; a drive shaft is installed inside the screen tube; and quartz sand scrapers are installed outside the drive shaft. This utility model uses a servo motor to drive the drive shaft to rotate. The rotating drive shaft drives the feeding screw and the quartz sand scrapers to rotate. The rotating feeding screw spirally pushes the material, pushing the material fed into the hopper into the screen tube. Then, the high-speed rotating quartz sand scrapers centrifugally rotate the quartz sand, using centrifugal force to throw the water contained in the quartz sand out of the screen tube, thereby achieving the separation of quartz sand and water. As the quartz sand material continues to advance, the water-separated quartz sand material inside the screen tube is discharged and collected through the sand discharge pipe.

The application relates to the technical field of rectangular pipe construction, in particular to a construction device for rectifying deviation of a rectangular pipe after the pipe is penetrated, which comprises Larsen steel sheet piles, the Larsen steel piles are arranged on opposite sides of a pipe joint, a dewatering well is arranged outside the two steel sheet piles, a steel enclosing purlin is fixedly connected to one side of the Larsen steel sheet pile close to the pipe joint, steel supports are arranged between the steel enclosing purlins on the same horizontal plane, the two ends of the steel support are respectively connected to the steel enclosing purlins located at the two ends of the steel support, a bracket is welded below the steel enclosing purlin, a concrete limiting block is arranged at a lower chamfered corner of the pipe joint, a concrete cushion beam is arranged on the side of the pipe joint away from the concrete limiting block and close to the upper side, a second steel enclosing purlin is arranged between the concrete cushion beam and the pipe joint, a jack is arranged between the second steel enclosing purlin and the concrete cushion beam, and a steel sheet pad is arranged between the jack and the concrete cushion beam, so that the problem of pipe joint rotation correction after the rectangular pipe construction is completed in an underground pipe joint project is solved.

The invention provides a reverse construction method integrated plate construction method of a deep foundation pit pile-anchor supporting structure, which belongs to the technical field of building construction and sequentially comprises five steps of supporting pile construction, foundation pit dewatering, integrated plate and angle brace construction, earth excavation and anchor cable construction and basement positive and negative zero plate construction. The integrated plate and the angle brace are constructed in advance at the designed elevation positions of positive and negative zero plates of a basement before excavation of a foundation pit, so that the integrated plate and the angle brace form a rigid horizontal supporting system together with a supporting pile, and the integrated plate and the angle brace have multiple functions of a trestle, a soil taking point, a mechanical operation surface and a material stacking point in the construction stage; the problems that a traditional piled-anchor support is remarkable in long-side effect, long in anchor cable construction procedure, lack of operation space in a pit and the like are effectively solved, after foundation pit construction is completed, the plate serves as a part of a permanent structure to be combined with a basement top plate poured subsequently, permanent and temporary combination is achieved, the construction period is remarkably shortened, the construction quality and safety are improved, and the construction period is shortened. And the engineering cost is reduced.

According to the technical scheme, the dairy cow breeding manure dewatering and drying treatment equipment is characterized by comprising a protective shell, a feeding hopper is fixedly arranged at the top of the protective shell, an extrusion assembly is arranged on one side of the protective shell and comprises a first motor, the first motor is fixedly connected to one side of the protective shell, and the first motor is connected with the feeding hopper. A first cylindrical gear is fixedly connected to the end, close to the feeding hopper, of a first motor driving shaft, a first rolling wheel is fixedly connected to the end, away from the first motor, of the first cylindrical gear, a second cylindrical gear is arranged in the protection shell, and the first cylindrical gear is in meshed connection with the second cylindrical gear; through mutual cooperation of a feeding hopper, a first motor, a first cylindrical gear, a first roller, a second cylindrical gear, a second roller, two synchronous belts, a second rotating rod and a conveying belt, the first roller and the second roller extrude cow manure, and the water content of the cow manure is reduced.

The utility model provides a dewatering well plugging structure, which relates to the technical field of building construction and comprises a double-layer reinforcement cage sleeved in a dewatering well, the double-layer reinforcement cage comprises a reinforcement cage body and a rectangular support frame, the upper end of the reinforcement cage body is connected with the rectangular support frame, a first steel pipe is sleeved on the inner side of the reinforcement cage body, and a second steel pipe is sleeved on the inner side of the first steel pipe. An outer water stop ring is welded to the outer side of the rectangular supporting frame to form a first sealing structure; the partition plate is welded to the inner side of the rectangular supporting frame and covers the first steel pipe to form a second sealing structure, the rectangular supporting frame is filled with a second water stop strip, so that a third sealing structure is formed at the joint, and the multiple sealing structures can ensure the plugging and waterproof closing effects of the joint of the dewatering well and the foundation bottom plate in the later period.

Displacement dewatering system, methods and apparatus, for liquid dewatering a nascent paper web in a papermaking machine nip. A press roll presents pressurized gas to the web through one or more stationary pressure zones. Each pressure zone has a seal assembly which bears on the inside surface of the outer shell of the press roll, isolating the respective pressure zone from any adjacent pressure zones. Pressurized gas passes through the one or more pressure zones, thence into and through apertures in the shell, thence into and / or through the web. A vent receptive device receives air and water exiting the web. Methods and apparatus are provided for controlling seal temperature and / or seal pressure and / or seal friction, as well as controlling light leaking past the seal.

The utility model provides a sintering flue gas dust removal device, which belongs to the technical field of sintering flue gas treatment and comprises a coarse dust removal device, a fine dust removal device and a flue gas emission device, the coarse dust removal device comprises a dust collection cover arranged above the pelletizing disc, a dust removal conveying pipeline connected with the dust collection cover and a spraying structure arranged in the dust removal conveying pipeline; the fine dust removal device comprises a shell, a folded plate dehydration device and a dehydrated flue gas retreatment device, and the folded plate dehydration device is arranged in the shell and is close to the flue gas slurry inlet end; the top end of the baffle is arranged at the top end of the interior of the shell, and the airflow uniform distribution plate, the water bath assembly and the tube bundle demister are sequentially arranged in a space formed by the baffle and the inner side wall, close to the dust removal flue gas discharging end, of the shell from bottom to top. By utilizing the device, the problems of bag pasting and corrosion when a bag-type dust remover is used for removing dust from sintering flue gas containing water vapor generated in a sintering and pelletizing process in the prior art can be solved.

The utility model discloses a kind of washing and dewatering mechanism for waste agricultural film regeneration, belong to agricultural film regeneration technical field, including prewashing mechanism, washing mechanism and dewatering mechanism;Prewashing mechanism is connected washing mechanism by first conveying mechanism;Washing mechanism export is provided with second conveying mechanism;Dewatering mechanism is set on second conveying mechanism;Prewashing mechanism includes hot air drying assembly and separation belt;Hot air drying assembly is used to carry out hot air drying to agricultural film and impurity in the prewashing mechanism, and agricultural film is blown to separation belt;Separation belt transmission direction front is located above feeding cavity and is provided with separation shovel, for shovel agricultural film to below first conveying mechanism;Prewashing mechanism is connected dewatering mechanism by pipeline, hot air drying assembly is connected prewashing mechanism and dewatering mechanism by pipeline, form hot air recycling use.The utility model has the advantages of water saving, energy saving, high efficiency, less pollution.

The utility model relates to the technical field of building engineering discloses a kind of for local hidden well precipitation device in foundation pit, including cushion, the right side of the cushion is close to the middle place and is provided with drainage mechanism, the drainage mechanism is for precipitation, the top left and right sides of the cushion are all provided with multiple dismounting mechanism, the dismounting mechanism is for dismounting, the top of the cushion is close to the middle place and is provided with limiting mechanism, the top of the cushion is fixedly connected with raft, the top left side of the raft is provided with cover mechanism, the top of the cushion is close to the middle place and is provided with antiskid mechanism.In the utility model, start sewage pump, then sewage pump will suck sewage into drain pipe, then pass through water stop ring through drain pipe, and the water stop ring is fixed on the cushion through steel pipe, the water stop ring can stop water in time, realize the effect of preventing silt blockage efficiently, and increase land adaptability.

The application is a kind of stone powder sorting system, including feeding equipment, feeding equipment is feeding for slurry preparation equipment, the stone block outlet of slurry preparation equipment is transported to the temporary storage yard through the belt conveyor, the first screening equipment is connected with the ore slurry liquid outlet, the sand outlet of the first screening equipment is connected with the first spiral dewatering equipment, the first spiral dewatering equipment is provided with the discharge port and the tailing slurry liquid outlet, the discharge port is discharged as building sand, the ore slurry liquid outlet of the first screening equipment is connected with the primary cyclone sorting equipment, the overflow outlet of the primary cyclone sorting equipment is connected with the secondary cyclone sorting equipment, the underflow outlet of the secondary cyclone sorting equipment is connected with the primary dynamic static separation equipment, the tailing slurry liquid outlet of the primary dynamic static separation equipment is connected with the four-stage concentration equipment, the concentrated ore slurry outlet of the four-stage concentration equipment is connected with the four-stage dewatering equipment, the application can perform ladder classification screening on the stone powder, the whole system is closed loop connection, and the dust pollution to the environment is avoided.

1. The name of the design product: concentrated high-pressure belt dewatering integrated machine. 2. The use of the design product: for concentrating and deep dewatering of sludge and other solid waste. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the technical field of biogas pretreatment equipment, in particular to kitchen anaerobic biogas pretreatment equipment which comprises a crushing assembly, the crushing assembly comprises a crushing box, two crushing rollers are rotationally connected in the crushing box, a feeding pipe is arranged at the top of the crushing box in a penetrating mode, a material guiding pipe is arranged at the bottom of the crushing box, and a dewatering assembly is arranged at the output end of the material guiding pipe. The dewatering assembly comprises a dewatering box, a hydraulic cylinder is arranged at the top of the dewatering box, a movable rod of the hydraulic cylinder penetrates through the top of the dewatering box and is fixedly connected with an extrusion plate, a plurality of drainage holes are formed in the bottom of the dewatering box, a discharging opening is formed in the bottom of the right side of the dewatering box, and a loosening assembly is arranged at the discharging opening. According to the kitchen anaerobic biogas pretreatment equipment, the dehydration assembly adopts a hydraulically-driven extrusion plate to mechanically extrude and dehydrate crushed kitchen waste, and the design of a drainage hole and a drainage pipe at the bottom of the dehydration box is combined, so that free moisture in materials can be quickly removed, and the anaerobic digestion environment is optimized.

The utility model relates to the technical field of kitchen waste treatment, in particular to a deodorization device of integrated kitchen waste dehydration equipment, which comprises a dehydration component and a deodorization component, the deodorization component and the dehydration component are integrally formed by welding, and the deodorization component and the dehydration component are fully welded and sealed at the welding position; a material inlet is formed in one end of the dehydration assembly, a material outlet is formed in the other end of the dehydration assembly, and a material channel is formed in the dehydration assembly and communicates with the material inlet and the material outlet; a deodorization opening is further formed in the upper side of the dehydration assembly, located in the inner side of the deodorization assembly and communicated with the material channel; the deodorization assembly comprises at least two UV deodorization devices, and the UV deodorization devices are located on the upper side of the deodorization opening. Compared with the prior art, the deodorization device of the integrated kitchen waste dehydration equipment adopts an integrated structural design, is small in occupied volume, more effectively prevents odor from overflowing, and more effectively treats the odor.

The utility model discloses an ultrahigh pressure laminated filter pressing dehydration device which comprises a machine frame, a material distribution mechanism is arranged on the top of the machine frame, a switching mechanism is arranged on the outer side of the machine frame and comprises a supporting frame, an installation sliding groove, a driving motor, a lead screw, a sliding seat and a driving frame, a filter pressing mechanism is arranged on the inner wall of the driving frame, and the sliding seat is arranged on the outer side of the supporting frame. A dewatering mechanism is arranged at the bottom of the driving frame; sludge is subjected to laminated material distribution through the material distribution mechanism, the sludge is conveyed into one set of dewatering mechanism, the sludge is subjected to filter-pressing dewatering operation through cooperation of the corresponding filter-pressing mechanism and dewatering mechanism, and the filter-pressing mechanism and the dewatering mechanism are driven to move through the switching mechanism. According to the sludge filter-pressing and dewatering device, idle groups of filter-pressing mechanisms and dewatering mechanisms can be moved to the material distribution mechanism, switching operation of the filter-pressing mechanisms and the dewatering mechanisms is achieved, the multiple groups of filter-pressing mechanisms and dewatering mechanisms are matched so that continuous filter-pressing and dewatering operation can be conveniently conducted on sludge, and the efficiency of the sludge filter-pressing and dewatering operation is improved.