93results about How to "Fully settled" patented technology

A process for preparing zinc powder includes smelting raw zinc, introducing to rectifying tower with high-temp towe trays, evaporating while rectifying for removing impurities, introducing Zn vapour to primary condenser, sudden condensing, outputting zinc powder from higher-temp end and then introducing to pressure-balanced condenser to obtain superfine zinc powder, outputting zinc powder from lower-temp end, superfine classifying to obtain superfine and ultrapure zinc powder, ball grinding in inertial gas, and squeezing to obtain flaky zinc powder. Its advantages are high uniformity, not oxidizing, and easy control.

The invention discloses a river wastewater treatment system. A chemical settlement method, a biological restoration method and a physical adsorption method are combined, so that the wastewater treatment performance is reliable, the operation is stable, the maintenance cost is low and the long-term operation effect is significant. A mixing area is formed in a settlement area, a flocculating agent is fully mixed with wastewater firstly and then enters a gentle settlement area and the wastewater can be fully settled under the action of the flocculating agent; an impermeable layer is paved on the bottom surface of the gentle settlement area and can prevent settled pollutants from permeating an underlying channel along with water to cause underwater pollution and secondary pollution; a plant slow settlement area is arranged between the settlement area and a purification area, and sediments from the settlement area are further slowly settled and effectively prevented from entering the purification area under the action of plants; the purification area is provided with two stages of purification area, and a riverway of the purification area is set into an S form, so that the standing time of wastewater in the purification area is effectively prolonged and the full and effective purification effect can be achieved.

The invention discloses a sewage treatment device capable of automatically cleaning a filter screen. The sewage treatment device comprises a machine body, wherein a working cavity is formed in the machine body; a precipitation assembly for precipitating large particles in the sewage is arranged in the working cavity; the precipitation assembly comprises an inverted L-shaped sliding plate which isconnected with the inner wall of the left side of the working cavity in a front-back sliding manner; rotating shafts extending front and back are rotationally connected to the inner walls of the frontand back sides of the working cavity; when the device works, the device works, particles in the sewage can be quickly settled through the settling assembly; sewage and sediment can be controlled to fall down through the switch assembly; the cleaning assembly can be used for cleaning sediments on the filter screen to prevent blockage, the purification assembly can be used for accelerating the removal of peculiar smell of treated sewage, the detection assembly can be used for detecting to enable qualified water to enter a collecting box, otherwise, the qualified water enters the water inlet boxagain, the treatment efficiency is improved, the treatment effect is enhanced, and the environmental pollution is reduced.

The invention discloses a flue gas waste heat recovery and dust removal device. A plurality of heat exchange pipes are adopted to absorb the waste heat of the flue gas of a boiler, and then the cold flue gas enters the bottom of a dust removal chamber; a spray device in the dust removal chamber is used for removing the dust of the flue gas; after that, dust-free gas is discharged outside from an exhaust hole arranged at the upper part of the dust removal chamber; sewage is discharged into a sewage settling tank from a sewage outlet arranged at the bottom of the dust removal chamber; clear water enters a clear water chamber under the action of a filter device and then is further treated by a water purifier, so that part of water source is provided for the spray device. The flue gas waste heat recovery and dust removal device not only is capable of fully absorbing the waste heat of the flue gas, thus achieving the aim of saving energy, but also is capable of carrying out full sedimentation on the dust and acid gas in the flue gas, thus guaranteeing the discharged gas to be colorless, odorless and very environment-friendly; the sewage used for removing the dust is recycled after being further treated, so that the water resource is saved.

The invention relates to the field of constructional engineering, in particular to a constructional engineering environment monitoring device. The height of a moving box and the height of a monitoringcamera can be adjusted in a lifting mode, a monitoring shooting area of the monitoring camera is enlarged, the monitoring effect of the monitoring camera on a construction site is enhanced, the supporting plate can be driven to rotate circumferentially at a constant speed, and therefore dust flying all around can be evenly sprayed with water; flying dust can be uniformly wetted, so that water vapor is in effective contact with dust particles, the settling effect of the dust is enhanced, and the environment-friendly treatment operation of a construction engineering site is facilitated; auxiliary sliding supporting can be conducted on the lifting plate, the stability of the supporting plate in the lifting process is enhanced, the situation that the lifting plate shakes is avoided, high-pressure nozzles and atomizing nozzles are distributed along the center of a disc in a circumferential structure, dust particles flying around can be subjected to uniform water spraying treatment, and thepurpose of fully settling the dust is achieved.

The invention relates to a culture tail water ditch circulating treatment system. The circulating treatment system comprises a precipitation ditch, a sewage collection conical-bottom round pool, an aeration pool and an ecological pond; a draft tube is communicated with one side of the precipitation ditch, and the other side of the precipitation ditch is communicated with the upper part of one sideof the sewage collection conical-bottom round pool through a fence to form a tangential water inlet channel; the upper part of the other side of the sewage collection conical-bottom circular tank iscommunicated with the upper part of one side of the aeration tank through a primary filter dam; the upper part of the other side of the aeration tank is communicated with the ecological pond through asecondary filter dam; sludge pumping equipment is connected to the bottom of the sewage collection conical-bottom round pool through a sludge discharge pipe; an underwater ultraviolet lamp is arranged in the middle of the sewage collection conical-bottom round pool; the bottom of the water inlet end of the ditch section is horizontally arranged, the bottom of the water outlet end is sunken and inclines towards the water outlet end, and the left and right sides of the water outlet end incline towards the middle to form chutes; a standby blow-off pipe is arranged at the lower end of each chute;and one or more of a biological hairbrush, purified water fishes and an ecological base band is placed in the ditch section according to the characteristics of tail water. The system is good in tailwater purification effect and low in maintenance and operation cost.

The invention relates to the field of slime water treatment, in particular to a multi-stage sedimentation rake-free concentration device capable of uniformly distributing materials. The device comprises a feeding assembly, a flow guide assembly, a clean coal collecting assembly, the flow guide assembly comprises a central groove body, slime water and a chemical agent flow from the upper part of the central groove body to the inner side wall of the central groove body through the feeding assembly, and then flow to the middle of the central groove body through the flow guide assembly, bubbles after reaction carry fine coal slime to move upwards into the clean coal collecting assembly, the clean coal collecting assembly is located above an outlet of the flow guide assembly, and the clean coalcollecting assembly is sequentially provided with a central material collecting area, a bubble removing area and a flow guide settling area from middle to outside. The device has the advantages thatthe structure of a traditional multi-stage concentration tank is integrated, and the occupied area of the traditional multi-stage concentration tank is greatly reduced.

The invention discloses an organic biological fertilizer production system, which comprises a biological fertilizer production device, a biomass energy source hot air generation device, a drying device, an exhaust device and a polishing device, wherein the biological fertilizer production device and the biomass energy source hot air generation device are connected with a feed inlet and an air inlet of the drying device respectively; the tail end of the drying device is connected with the polishing device and the exhaust device; the biomass energy source hot air generation device comprises a biomass gas generation furnace, a filter and a combustion chamber which are sequentially connected; and a pipeline between the filter and the combustion chamber is connected with an air blower. The technical object of the invention is to provide the organic biological fertilizer production system which is more environment-friendly and energy-saving and higher in efficiency, and the organic biological fertilizer production system uses biomass energy sources to produce a biological fertilizer, so that the production cost of enterprises is lower and a better environmental protection effect is achieved.

The invention relates to the field of slime water treatment, in particular to a compact rake-free concentrator. The compact rake-free concentrator comprises a feeding assembly, a diversion assembly and a clean coal collecting assembly. The diversion assembly further comprises a central tank body, coal slime water passes through the feeding assembly, flows with a medicament from the upper part of the central tank body to the middle part of the central tank body, and is diffused in all directions, after the reaction, residual mineralized bubbles and fine coal slime move upwards into the clean coal collecting assembly from the inner side wall of the central tank body, the clean coal collecting assembly is located above the outlet of the diversion assembly, the clean coal collecting assembly is sequentially provided with an edge feeding area and a defoaming area from outside to inside, the clean coal collecting assembly further comprises a diversion settling area arranged on the outer sidewall of the central tank body, and slime water defoamed by the defoaming area is output to the inlet of the diversion settling area from the middle of the central tank body through a first overflow discharge pipe. According to the compact rake-free concentrator, a traditional multi-section concentration tank is structurally integrated, and the occupied area of the traditional multi-section concentration tank is greatly reduced.

The invention relates to a blast furnace slag treatment method comprising the steps of A, loading and transporting molten blast furnace slag by using a slag pot car, and carrying out heat insulation treatment on the molten blast furnace slag in the transportation process to sufficiently settle metal iron in the blast furnace slag; B, transporting the blast furnace slag to a slag dumping field by using the slag pot car, dumping slag towards a first slag pit after entering a preset station, controlling the dumping angle of a slag ladle, and dumping part of the blast furnace slag into the first slag pit; C, dumping the residual blast furnace slag into a second slag pit; and D, respectively obtaining blast furnace slag from the first slag pit and the second slag pit after cooling the blast furnace slag. According to the blast furnace slag treatment method, the metal iron is enriched to the bottom of the slag pot car in advance through heat insulation treatment, and then, the blast furnace slag with relatively low metal iron content is dumped into the first slag pit and the blast furnace slag with relatively high metal iron content is dumped into the second slag pit in a in-batch slag dumping way to obtain two kinds of blast furnace slag, so that the subsequent treatment on the blast furnace slag can be conveniently realized.

The invention discloses a convenient-to-clean sedimentation treatment device for municipal sewage, and relates to the technical field of municipal sewage treatment.The convenient-to-clean sedimentation treatment device comprises a water inlet hopper, a flow guide assembly and a centrifugal sedimentation assembly, a water filtering tank is fixed to the lower portion of the water inlet hopper, a filtering assembly is installed in the water filtering tank, and drainage pipes are fixed to the two sides of the lower portion of the water filtering tank; a water drainage pipe is arranged below the water inlet pipe, a flocculation mixing chamber is installed below the water drainage pipe, a first flocculant layer is arranged on the inner wall of the flocculation mixing chamber, a stirring assembly is installed in the flocculation mixing chamber, the flow guide assembly is fixed below the flocculation mixing chamber, and the flow guide assembly comprises a discharging hopper, a flow guide plate, an outer frame, a second flocculant layer and a water drainage flow channel. According to the sedimentation treatment device convenient to clean and used for municipal sewage, sewage can make full contact with a flocculating agent layer, so that the gravity sedimentation efficiency is improved, centrifugal sedimentation, flocculating sedimentation and gravity sedimentation can be combined, municipal sewage is fully settled, and therefore the good sedimentation treatment effect is achieved.

The invention discloses a dust removal device for an ore crusher, and relates to the technical field of ore processing, in particular to a dust removal device for an ore crusher. The device comprises a crusher; the right side of the crusher is fixedly connected with a dust suction pipe; the bottom of the dust suction pipe is fixedly connected with a conveying fan; the right side of the conveying fan is fixedly connected with a settling chamber; a flow baffle is fixedly mounted in the settling chamber; and a water spraying pipe is fixedly mounted at the top of the settling chamber. According to the dust removal device for the ore crusher, the water spray pipe is arranged in the settling chamber, dust generated during crushing is sucked into the settling chamber through a dust suction pipe, water mist is sprayed out through an atomizing spray head at the top of the water spray pipe, and small water drops adsorb dust in dusty gas, so that the dust in the dusty gas settles along with the water drops, and the dust is prevented from polluting air.