59results about How to "Implement preliminary filtering" patented technology

The invention discloses a heavy metal contaminated soil remediation device, and belongs to the technical field of soil remediation. The remediation device comprises a soil filtering mechanism, a spiral feeding machine, a remediation box, a soil air-drying mechanism, a crushing mechanism and a soil turning and leaching mechanism. A horizontally-arranged filtering plate is arranged in the remediation box and is provided with screening holes. The soil turning and leaching mechanism comprises a driving motor, a soil turning assembly, a reciprocating vibration assembly, a rotating shaft and two spraying pipelines, and an atomizing nozzle is arranged at the liquid outlet end of each spraying pipeline. A material guiding sliding way is arranged at the bottom of the remediation box, and a closingplate is arranged on the right side of the material guiding sliding way. Through the soil turning and leaching mechanism, soil can be leached and can be turned so that the soil can be evenly leached;and the soil can be crushed under the action of the crushing mechanism so that the soil is crushed into small particles and the soil and reactants fully react.

The invention discloses an Ethernet data collection card, at least including: an Ethernet data exchange module which is connected with multi-channel Ethernet link requiring monitoring and is used for the aggregation of the multi-channel Ethernet link data requiring monitoring; a pre-processor module for connecting with the Ethernet data exchange module, which is used for pre-processing the multi-channel link data aggregated by the Ethernet data exchange modules and for sending the multi-channel Ethernet link data after being pre-processed to the main processor of a monitoring device connected with the pre-processor module. The invention also provides a method for collecting Ethernet data. In this way, the invention collects the multi-channel Ethernet link data requiring monitoring on intelligent ethernet cards; and the invention supports the multiple Ethernet link, wherein the number of net openings supported is determined by the exchange specification of an Ethernet switch chip; furthermore, the invention is not limited to PCI bus on the connection between the pre-processor module and the main processor of the monitoring device.

The invention relates to the technical field of environment-friendly waste gas treatment, and particularly discloses a waste gas treatment device for environment-friendly equipment; the waste gas treatment device comprises a base, and further comprises a floating object filtering mechanism; supporting plates are symmetrically and fixedly connected to the two sides of the bottom of the base, and idler wheels are arranged at the bottoms of the supporting plates; the floating object filtering mechanism is arranged on the left side of the top of the base, the floating object filtering mechanism comprises a filtering box, an air suction machine and a fixing block, the filtering box is fixedly connected to the top of the base, the air suction machine is fixedly connected to the left side of thefiltering box, an air suction pipe is arranged on the air suction machine, and the air suction pipe extends into the filtering box. Floating objects in waste gas can be filtered through a filter plate, and primary filtration of the waste gas is realized; the waste gas is introduced into a treatment box to be mixed with a treatment solution, so that harmful substances are treated, finally, treatedimpurities are filtered through a filter screen of a fixed box, and meanwhile, the filter plate is driven to vibrate through rotation of a cam, so that the floating objects on the filter plate are convenient to clean.

The present invention discloses a wet dust remover, which comprises a hollow cylindrical housing, a wind inlet, downwardly-inclining separation plates, a wind outlet, a sedimentation pool, a water storage pool, a water inlet pipe communicated to the water storage pool, a draining plate and a spraying assembly, wherein the sedimentation pool and the water storage pool are respectively arranged on both sides inside the housing, the draining plate downwardly inclines from the direction above the water storage pool to the sedimentation pool direction, the spraying assembly comprises spraying nozzles, the water storage pool, a water pump and a conducting pipe, the wind inlet is arranged on the side wall of the lower portion of the housing, the center line of the wind inlet is along the housing tangent line direction, the separation plates are provided with a plurality of draining through holes, the wind outlet is arranged on the top portion of the housing, and the center line of the wind outlet axially coincides with the housing. According to the present invention, the wet dust remover has the simple structure, the tangential wind inlet way is used, and the water leaching is used to remove the dust while the frictional resistance viscosity effect of the side wall of the housing is utilized, such that the advantages of good dust removing effect, high efficiency, low water consumption and stable use are provided.

The invention provides a butterfly valve having a screening function. The butterfly valve comprises a cylindrical valve body having a through hollow cavity, at least two butterfly plates and valve rods as many as the butterfly plates, wherein the butterfly plates are matched and arranged in the hollow cavity in the axial direction of the valve body; the butterfly plates and the valve rods are fixedly connected; a shaft sleeve and a positioning sleeve are coaxially arranged in the radial direction of the valve body and matched with the butterfly plates; the valve rods are coated with the shaft sleeve and the positioning sleeve; no medium through hole is formed in the first butterfly plate in the hollow cavity of the valve body along the direction from the inlet of the valve body to the outlet of the valve body; multiple medium through holes are respectively formed in each butterfly plate behind the first butterfly plate; the apertures of the medium through holes formed in the same butterfly plates are the same; and the apertures of the medium through holes formed in different butterfly plates behind the first butterfly plate are different from each other. The butterfly valve having the screening function can realize the adjustment of various small flows, and can filter away impurities, with apertures greater than the apertures of the medium through holes in the butterfly plates in a closing state, in mediums so as to realize primary medium filtration.

The invention belongs to the technical field of water quality safety detection, and particularly relates to a dielectric sensor probe filtering device. The filtering device comprises a square top cover, screws, a square shell, clamping columns, a baffle, a filter screen, a filter cloth clamp and a base. The square top cover and the square shell are matched in a threaded hole column through the screws, and the square shell and the clamping columns are connected in a matched mode through clamping column bolts. The baffle, the filter screen and the filter cloth clamp are connected between the connecting faces of the square shell and the clamping column in a matched mode. The base is connected with the clamping columns in a matched mode through the screws. The device can filter impurities with different sizes such as silt and algae, has a good filtering effect, can prevent a sensor probe from being damaged, has a certain protection effect on the sensor probe, is simple to mount, can be detached for cleaning and replacement, is convenient to use, and has a relatively good application prospect.

The invention discloses a waste residue collecting device for waste incineration and a using method thereof, and belongs to the field of waste incineration. The waste residue collecting device for waste incineration comprises a box body, wherein a crushing cavity is formed in the upper portion of the box body, two symmetric crushing machines are symmetrically installed on the inner wall of the crushing cavity, blades on the two crushing machines are staggered, the upper portion of the crushing cavity communicates with a feeding pipe, and a separation cavity is formed in the middle of the box body and communicates with the crushing cavity. By means of the waste residue collecting device, furnace slag and fly ash in incineration waste residues can be quickly separated, and subsequent processing is facilitated; moreover, heavy metal contained in the fly ash can be adsorbed to lower the pollution degree of the fly ash, the principle of negative pressure is utilized for making the fly ash float towards a negative pressure cavity, snowflake-shaped adsorption sheets are utilized for adsorbing the fly ash, and adsorbing heavy metal in the fly ash, so that preliminary filtration of the flyash is achieved, and then the fly ash is filtered through a dust settling pocket to ensure that gas discharged in air is unlikely to bring about air pollution.

The invention provides a comprehensive water use system for a bridge. According to the comprehensive water use system for the bridge, a baffle and a grate are arranged on a bridge deck water collecting structure, so that preliminary filtering of the collected water amount is realized; a suitable force receiving system is constructed, so that the safety use performance of the structure can be improved; a partition plate and a slope are arranged in a water collection tank, so that the filtering effect is improved; a bidirectional pipe, a water pump, a hard pipe and a spray head are arranged, sothat comprehensive utilization of the collected water amount is realized, the utilization efficiency of water resources is improved, and the system can be used for new construction and re-constructionengineering of overpasses, thereby realizing environment-friendly and efficient water resource utilization.

The invention discloses a self-circulation type urban central park water treating system and method. The self-circulation type urban central park water treating system comprises a water inlet pipe, a control base station, a treatment module and a water outlet pipe, wherein the treatment module comprises a sedimentation tank and a water changer, a charger is installed at the upper end of the sedimentation tank and is connected to the control station, a water delivery pipe is connected between the sedimentation tank and the water changer, and a magnetic valve is installed on the water delivery pipe and is connected to the control base station. A pneumatic cylinder, a liquid level meter and a stirrer are installed in the water changer, and the pneumatic cylinder and the liquid level meter are connected to the control base station. The water treating method comprises the steps of 1 water guiding, 2 guided water filtration, 3 guided water inflow and 4 guided water change. The water treatment is achieved by adopting sedimentation and water change modes. Firstly, ferric sulfate is added to produce a flocculation effect on water, organic matter, nitrogen, phosphorus and other substances are wrapped and settle; then, and new water is injected into a river in a reduced-pressure vaporization and reliquefaction mode to dilute impurities in the water so as to reduce the concentration of the impurities.

The invention discloses a high-efficiency catalytic oxidation device. The high-efficiency catalytic oxidation device comprises a heat exchanger, a catalytic tank and a filter, wherein one end of the filter is a waste gas inlet end, and the other end of the filter is connected with a fan through a first pipe; the fan is connected with the inlet end of the heat exchanger through a second pipe; the outlet end of the heat exchanger is communicated with the catalytic tank through a third pipe; a combustion chamber and a catalytic bed are arranged inside the catalytic tank; a combustor is arranged inside the combustion chamber; the catalytic tank is connected with the heat exchanger; the catalytic bed is arranged on one side of the combustion chamber; the heat exchanger is further connected witha discharge pipe. The high-efficiency catalytic oxidation device is novel in structure design, has the advantages of low wind resistance, high efficiency and high temperature resistance, and improvesthe waste gas treatment efficiency.

The invention provides a riverway water taking device which comprises a water taking pipe. The water taking pipe is provided with a water sucking end and a water discharging end, and a filtering net cage is arranged at the water sucking end of the water taking pipe. The water taking pipe is downward connected with a heart-shaped delivery device at the water discharging end, a mandrel of the heart-shaped delivery device is outward and transversely connected with a spiral delivery pipe, and the mandrel of the heart-shaped delivery device and an auger shaft of the spiral delivery pipe are coaxially arranged. The heart-shaped delivery device is downward connected with a U-shaped pipe, and two straight pipe portions of the U-shaped pipe are communicated with the heart-shaped delivery device andthe spiral delivery pipe. The U-shaped pipe is of a mesh hole structure, and the cross section sum of mesh holes of the U-shaped pipe is greater than the pipe diameter cross section area of the waterdischarging end of the water taking pipe. The riverway water taking device is simple in structure and convenient to use and achieves the effect of power-free removal of impurities contained in takenwater during water taking.

The invention discloses efficient wastewater treatment equipment for detergent production. The equipment comprises a first filter box and a second filter box, a spraying device is arranged on the upper surface of the second filter box, the left side surface of the spraying device is communicated with the right side surface of the first filter box through a hose, the bottom end of the spraying device is located in the second filter box, a second filtering device is arranged below the spraying device, the second filtering device is connected to the right side face of the second filter box in a clamped mode, the right side face of the second filter box is communicated with the left end of a water outlet pipe, through the combined action of a water suction pump, a water conveying pipe, a waterstorage tank, a spray head, a brush, a second rotating shaft and a second bearing, comprehensive and effective filtration of wastewater is achieved, the situation that some fine impurities flow out of the second filter box along with water flow is avoided, the wastewater filtering effect is guaranteed, and reuse of the filtered wastewater is guaranteed.

The invention discloses combined slurry smashing and screening equipment based on composite smashing and rotation and straight pressure screening. The equipment mainly comprises a power driving device, a reciprocating driving device, a straight rotation conversion device composed of a rotation cylinder and a push cylinder, a composite slurry smashing device composed of a material cylinder, a spiral rotor, a turbulent flow plate and a turbulent flow cone, a rotation pressure slurry screening device composed of a rotation screening cylinder, a rotation screening drum and a rotation screening rotor and a straight pressure slurry screening device composed of a pressure plate, a straight screening drum, a straight screening cylinder and a bent rod. The combined slurry smashing and screening equipment is characterized in that multi-mode composite slurry smashing and rotation pressure and straight pressure combined slurry screening are achieved. According to the combined slurry smashing and screening equipment, required power is provided for the power driving device and the reciprocating driving device, reciprocating rotation of the turbulent flow plate is achieved through the straight rotation conversion device, composite stirring, smashing and decomposition for slurry smashing are achieved through the composite slurry smashing device, rotation pressure screening on slurry is achieved through the rotation pressure slurry screening device, and reciprocating extrusion screening on the slurry is achieved through the straight pressure slurry screening device.