10results about How to "Improve centrifugal separation effect" patented technology

The invention relates to the technical field of reducing pipes, in particular to a solid-liquid separation reducing pipe which comprises a lower pipe body and an upper pipe body, and the top end of the lower pipe body is communicated with the bottom end of the upper pipe body; the connecting pipe is arranged at the top end of the upper pipe body in a communicating mode, the bottom end of the hollow shaft is rotatably installed on the inner side wall of the lower pipe body, the upper portion of the hollow shaft extends into the upper pipe body, the spiral blade is installed on the outer side wall of the hollow shaft, and the spiral blade is installed on the outer side wall of the hollow shaft; the intercepting boxes are all arranged on the outer side wall of the hollow shaft in a communicating mode, the discharging opening is formed in the lower portion of the hollow shaft in a communicating mode, the feeding pipe is arranged on the outer side wall of the lower pipe body in a communicating mode, and the collecting device is arranged on the lower portion in the lower pipe body and used for collecting separated solid particles of different sizes. The centrifugal separation effect of particle materials with different sizes is improved, the cleaning and maintenance complexity of workers is reduced, the working efficiency is improved, and the use convenience is improved.

The invention relates to the technical field of tar residue treatment, and provides a tar residue collecting and drying device which is used for collecting and drying tar residues in an ammonia water clarifying tank and comprises a scraper conveyor, a homogenizer, a centrifugal machine, a dry residue collecting box, a liquid collecting box and a liquid return pump. An outlet of the scraper conveyor is connected with an inlet of the homogenizer, an outlet of the homogenizer is connected with an inlet of the centrifugal machine, the centrifugal machine is provided with a slag outlet and a liquid outlet, the slag outlet is connected with the dry slag collecting box, the liquid outlet is connected with the liquid collecting box, the liquid return pump is arranged in the liquid collecting box, and an outlet of the liquid return pump is connected with the ammonia water clarifying tank. The homogenizer and the centrifugal machine are arranged, the homogenizer pretreats the tar residues, and due to the fact that the viscosity of the tar residues is large, the centrifugal separation effect of the centrifugal machine can be improved after the tar residues are pretreated through the homogenizer, tar contained in the separated tar residues is reduced, peculiar smells in the dry residue collecting box are reduced, and follow-up treatment is facilitated.

A water circulation decontamination device based on multi-stage decontamination comprises: an upper cover, a decontamination device body, a sedimentation tank, a first spiral assembly, a gas-liquid separator, a first filter screen, an exhaust valve, a drain valve and a bottom support seat; a first spiral assembly is fixedly arranged inside the decontamination device body, and the first spiral assembly comprises a first spiral partition plate; a second spiral assembly is arranged inside the first spiral assembly, and the second spiral assembly comprises a second spiral partition plate and a third spiral partition plate; liquid to be filtered undergoes a first centrifugal separation via the first spiral partition plate, and undergoes a second centrifugal separation via the second spiral partition plate and the third spiral partition plate, and gravel, dirt and the like after centrifugal separation settle to the storage space at the bottom of the sedimentation tank; initial filtration is performed via a vertical filter plate, and fine filtration is performed via the first filter screen, thereby achieving multi-stage decontamination of the liquid to be filtered and improving the filtering effect of gravel, dirt and the like.

This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.

The utility model provides a kind of Raymond mill dust removal flow guide device, belong to flow guide device technical field, the Raymond mill dust removal flow guide device includes: dust removal flow guide cylinder, top collecting cover, bottom support seat, cyclone separator, flow guide vane assembly and sealing connecting ring;Dust removal flow guide cylinder is conical platform shape, dust removal flow guide cylinder is fixedly installed above the discharge port of Raymond mill by support seat;Collecting cover is hemispherical structure;Cyclone separator is arranged at the center position inside dust removal flow guide cylinder, annular passage is formed between the outer wall of cyclone separator and the inner wall of dust removal flow guide cylinder;Flow guide vane assembly includes multiple flow guide vanes, another end of flow guide vane and the inner wall of dust removal flow guide cylinder keep preset gap;Sealing connecting ring is arranged at the connecting position of dust removal flow guide cylinder and Raymond mill discharge port, solve the dust separation efficiency low in existing Raymond mill dust removal system, cause environmental pollution and resource waste, affect the air quality of production workshop problem.

The invention discloses a combined dust remover convenient to clean and a use method thereof, the combined dust remover comprises a dust removal main body, the dust removal main body comprises a control handle, the top of the control handle is sequentially provided with a bottom cylinder, a connecting cylinder and a suction port, and the bottom cylinder, the connecting cylinder and the suction port are internally provided with an extraction cavity in a communicating manner; and the treatment unit is arranged in the extraction cavity. The volume of a bottom cylinder and a connecting cylinder relative to a suction port is increased, dust and sundries generated by airflow pressure loss are settled, and fiber bundles in the dust and sundries are disorderly disturbed by rotating, dispersing and stabilizing airflow guide of a conical tip column and a dispersing column and reciprocating rubbing of an inclined shovel ring and a processing ring; therefore, the primary filter screen in the dust removal equipment is prevented from being plugged by the tip of the fiber, and airflow conduction is maintained on the premise that the primary filter screen is easy to clean and self-clean in combination with self-rotation of the primary filter screen and reciprocating scraping and pressing of the hanging and pressing plate.

The utility model discloses a bag filter which comprises a dust removal section, an air inlet section and a dust discharge section which are sequentially arranged from top to bottom, the dust removal section is provided with an air outlet and a filter bag assembly; the dust discharge section is provided with a dust discharge port; blowback air pipes are arranged on the side surfaces of the dust removal sections; the bag filter further comprises an air distribution pipe arranged on the outer side of the air inlet section in a sleeving mode, and a centralized air inlet is formed in the air distribution pipe. The air inlet section is provided with a plurality of tangential air inlets; an air distribution pipe outlet corresponding to the tangential air inlet is also formed in the air distribution pipe; and the tangential air inlet is connected with an outlet of the air distribution pipe. The bag filter disclosed by the utility model is low in ash removal frequency and good in gas-solid separation effect.

The utility model discloses treatment and recovery equipment for waste pulp in paper product production, which relates to the technical field of paper product processing and comprises a tank body and a pulp outlet pipe, the pulp outlet pipe is fixedly arranged at the central position of the upper part of the tank body, and a pipe orifice vertically extends into the tank body and extends to the middle of the tank body; the lower side of the tank body is movably connected with a plurality of combined wall sheets, the plurality of combined wall sheets are circumferentially arranged around the central axis of the tank body, and the inner cavity wall of the tank body is jointly enclosed in a manner that the adjacent combined wall sheets are obliquely overlapped; when the device is used for treating, waste slurry tangentially enters from the upper side of the tank body, and naturally forms a spiral inner rotational flow along with the wall surface of the inner cavity in the process of flowing downwards along with gravity, so that solid impurities and cellulose slurry in the waste slurry are centrifugally separated, the cellulose slurry is sucked away and recycled by the slurry outlet pipe in the center, and the impurities are spirally discharged downwards; the device has the characteristic of high-efficiency separation of slag and slurry.

This application relates to the field of environmental monitoring equipment technology, and in particular to a gas emission filtration device for environmental monitoring, comprising a housing, a rotating filter assembly, a power assembly, and an impurity collection assembly. The housing has an air inlet and an air outlet. The rotating filter assembly contains multiple layers of concentric annular filter screens with gaps between the layers. The power assembly drives the filter screens to rotate. The impurity collection assembly is located below. Centrifugal blades are provided between adjacent filter screens to enhance impurity separation; a unidirectional flow assembly is provided at the air outlet to prevent gas backflow. The device increases the filtration area through multiple layers of filter screens, reduces clogging by rotating the filter screens, assists in impurity separation with centrifugal blades, and ensures unidirectional gas discharge through the unidirectional flow assembly. This device effectively solves the problems of easy clogging and low efficiency in existing filtration devices, achieving efficient and stable filtration, meeting environmental protection requirements, and is suitable for various gas emission scenarios.

The utility model discloses an efficient vortex flow filter and belongs to the field of filters. The outer wall of the rotational flow bin is provided with a nozzle along the tangential direction, a stock solution enters the nozzle, the bottom of the rotational flow bin is communicated with a collecting bin, a backflow bin is arranged in the collecting bin, the backflow bin is communicated with an inner cavity of the collecting bin, the backflow bin extends upwards from the bottom of the collecting bin, and the backflow bin is provided with a backflow pipe communicated to a discharge pipe at the top of the rotational flow bin; an emptying opening is formed in the bottom of the collecting bin. The device for separating the particulate matters in the liquid by utilizing the centrifugal force based on the fluid vortex flow principle is suitable for removing and filtering various metal and non-metal particles, is also suitable for separating liquid mixtures with different densities and separating and filtering air containing the particulate matters, and is wide in applicability.