12results about How to "Avoid heavy pollution" patented technology

The invention discloses a wheel unit and a vehicle. According to the method, a rim (1) and a spoke (2) are included, the rim (1) and the spoke (2) are connected in a welded mode, the top face of the rim (1) makes contact with a tire bead and a flap respectively, and composite heat insulation coatings (3) are arranged between the top face of the rim (1) and the tire bead and between the top face of the rim (1) and the flap respectively; the composite heat insulation coating (3) comprises a bonding layer (4) sprayed on the top face of the rim (1) and a heat insulation layer (5) sprayed on the bonding layer. The composite heat insulation coating (3) is sprayed on the rim (1), braking heat can be effectively prevented from being transmitted to a tire through the rim (1), the tire burst risk caused by overheat aging of the tire can be avoided, and the service life of the tire is prolonged. And a spraying device does not need to be used for cooling the tire, so that serious pollution to the road environment is avoided, and the driving safety problem caused under the cold condition in winter is avoided.

The invention discloses a disposable schistosome egg extraction filtering component, belonging to the technical field of schistosome egg extraction. The scheme is realized under the control of an intelligent schistosome egg extraction system, through a flexible stirring mechanism, a multifunctional stirring rod is moved up and down while rotating and stirring, so that a stirring medium is quickly broken up and stirred and decomposed under flushing water, and then a coarse screen overflow alarm mechanism and a fine screen filter mechanism are used to filter the medium layer by layer, so that a sample and a filtrate are quickly separated and output under the action of negative pressure adsorption, thereby improving the filtering speed and efficiency, and the overflowed liquid is introduced into an overflow container by means of a filter membrane frame and an overflow pipe, and the clogging of a fine screen filter and a coarse screen filter is determined by the floating detection degree of an overflow detection float and an overflow detection float sensor rod, so that a staff member is warned to clean in time, thereby enhancing the filtering effect, and the filtering component is a multi-layer structure, which can be combined and separated, so that it is more convenient to use and has a good use effect.

The utility model relates to a gas-collecting hood technology, and discloses an energy-saving and environment-friendly gas-collecting hood. Comprising a gas-collecting hood body, a breather pipe is installed above the gas-collecting hood body, the upper end of the breather pipe is connected with a dust collector through a dust collecting pipe, a dust collecting fan is installed on the dust collector, a gas outlet of the dust collecting fan is connected with a gas outlet pipe, the gas outlet pipe is communicated with a gas absorption tower, and a multi-layer spraying structure is installed in the gas absorption tower. The sulfur dioxide waste gas is sucked into the dust collector by the dust collection fan, dust in the waste gas falls to the bottom of the dust collector due to gravity, other waste gas enters the gas absorption tower from a gas outlet of the dust collection fan along a gas outlet pipe to be treated, a multi-layer spraying structure is arranged in the gas absorption tower, and the sulfur dioxide waste gas is neutralized and diluted by spraying an alkaline solution; qualified treated gas is emptied through an emptying pipe, and waste liquid generated after spraying is discharged from a waste liquid outlet pipe for retreatment, so that the situation that the waste gas is directly and freely diffused without any treatment and seriously pollutes the working environment and the atmosphere is prevented.

The invention discloses a single crystal furnace circulating water cooling device, and provides the following scheme that the single crystal furnace circulating water cooling device comprises an operation table and a placement cabinet, a base is arranged at the bottom of the placement cabinet, a main body mechanism is mounted on the placement cabinet, material placing mechanisms are arranged in the placement cabinet and the main body mechanism, and a water cooling mechanism is arranged on the main body mechanism; the water cooling mechanism is arranged, the ventilation hood is conveniently driven to move to a proper position through a corresponding motor lead screw transmission assembly, then water cooling liquid is introduced into the liquid cooling cavity, heat generated by the device is conveniently absorbed and dissipated, then an air inlet head is connected with an air blower, air is conveniently introduced into a through groove and an annular groove in the ventilation hood, and the cooling effect is improved. And then the crystal enters each spray head and is sprayed out, so that the heat generated in the processing process is dissipated in an auxiliary manner, the heat dissipation is more uniform, the temperature gradient and the thermal stress are weakened, the growth rate and the growth direction of the crystal are prevented from being greatly influenced, the crystal grows more uniformly, and the product quality is ensured.

The waste compression device with the collecting function comprises a box body, a smashing box, a collecting box and a supporting frame, a workbench is arranged on one side of the box body, the smashing box is fixedly installed above the workbench, the output end of a first gear is fixedly connected with a first smashing roller, and the output end of a second gear is fixedly connected with a second smashing roller. A second crushing roller is fixedly connected to the output end of the second gear, a collecting box is arranged below the liquid outlet pipe, a supporting frame is arranged on the outer side of the box body, a compression oil cylinder is fixedly installed at the top of the supporting frame, and a pressing head is fixedly connected to the output end of the compression oil cylinder. Through the arrangement of the collecting box, when waste is crushed, generated waste liquid can be discharged into the collecting box through the liquid outlet pipe for centralized collection for subsequent treatment, and the situation that the waste liquid is directly discharged into the environment and seriously pollutes soil, water sources and the like is avoided, so that the pollution of the waste liquid to the environment can be reduced, and the environmental safety is protected.

The invention belongs to the technical field of rare gas extraction and utilization equipment, and particularly relates to a device for extracting and utilizing rare gas in carbonate rocks. Comprising a container body, a gas-solid blocking part is provided with filtering holes, the diameter of the filtering holes is in a micron level, a mechanical crushing part is arranged at the bottom of the gas-solid blocking part, and the mechanical crushing part is used for crushing a carbonate rock sample until the particle size is above the micron level; and a particle deposition device is arranged in the crushing cavity and comprises a connecting rope and a ball body, the connecting rope is fixed to the inner wall of the crushing cavity, and the ball body is fixed to the connecting rope. According to the method, a large amount of CO2, H2S, organic substances and other impurity components generated by a high-temperature melting method are avoided, the solid carbonate rock sample particles can be separated from the rare gas components, and the rare gas components are effectively extracted from the carbonate sample and can be effectively utilized.

The utility model provides a cutting device for distribution box production, which relates to the technical field of distribution box production and comprises a base, a portal frame is fixedly mounted on the upper surface of the base, an electric guide rail is arranged at the top in the portal frame, a right-angle frame is fixedly mounted at the moving end of the electric guide rail, and a first motor is fixedly mounted on one side of the right-angle frame. One end of a shaft body of an output shaft of the first motor penetrates through the right-angle frame and is sleeved with a grinding wheel. Before cutting work is carried out, a worker starts a second motor, the output shaft end of the second motor drives a two-way lead screw to rotate, the rotating two-way lead screw drives two shielding covers to move relatively in a thread screwing-in mode, the shielding covers shield cutting working points, dust is prevented from being discharged into the surrounding working environment, and the working efficiency is improved. And the working environment is prevented from being seriously polluted, and workers are prevented from inhaling dust during working.

The present invention discloses a flexible diversion device, comprising: a main body, corresponding to a water inlet pipe and a water outlet pipe; a sewage interception pipe, which is connected to the main body, and a flexible sleeve is arranged at the part connected to the main body, the outer wall of the flexible sleeve is in contact with the inner wall of the pipe mouth of the sewage interception pipe, at least one independent pressure chamber is arranged in the flexible sleeve, and the flexible sleeve at the position where each pressure chamber is located has an outer rubber layer and an inner rubber layer; inlet and outlet holes are arranged on the outer rubber layer of each pressure chamber, and the inlet and outlet holes are connected to the pressure chamber; wherein the main body, the water inlet pipe, the water outlet pipe and the sewage interception pipe are integrally formed. The present invention is applied to the diversion and discharge of sewage and / or rainwater, and effectively avoids the technical defects of the prior art in the discharge design of sewage and / or rainwater, such as being very easy to cause serious pollution of natural water bodies on rainy days, or excessive treatment pressure of sewage treatment facilities, waste of resources, etc., and has the characteristics of simple structure, convenient operation and wide applicability.

The present invention provides a sewage treatment device with one-way power water outlet, comprising: a sewage treatment unit and an air source, wherein the sewage treatment unit comprises: a first treatment area and a second treatment area, wherein the first treatment area is respectively connected to the second treatment area and a sewage pipe; the second treatment area is connected to the outside; and the air source is connected to the second treatment area. The present invention effectively avoids the technical defects of the structural design in the technology that the sewage input from the first treatment area directly enters the sewage pipe for output, which easily causes serious pollution of natural water bodies on rainy days, or the sewage treatment facility has excessive treatment pressure and wastes resources, and can achieve the technical effect of regulating and storing sewage when sewage discharge is not required, and has the characteristics of simple structure, convenient operation and wide applicability.

This invention relates to the field of flue gas dust removal, and more particularly to a particulate matter exhaust stack with a digitally adjustable top cover. A particulate matter exhaust stack with a digitally adjustable top cover includes an installation cylinder with a connecting portion and an installation portion. An electrostatic dust removal component is installed within the connecting portion, and an air guide cover is fixedly connected to the installation portion. A cone-shaped cylinder communicates with the connecting portion. A connecting pipe communicates with the cone-shaped cylinder, and several side exhaust pipes are connected to the connecting pipe. All side exhaust pipes penetrate the installation portion, and each side exhaust pipe contains an opening / closing component. An adjusting component is installed within the connecting pipe. A spray component is installed within the installation portion and connected to all the side exhaust pipes. The system works in conjunction with an anemometer, adjusting component, and opening / closing component to monitor wind direction and speed in real time. Under unfavorable weather conditions, it automatically switches to a side exhaust mode and opens the side exhaust pipes aligned with the wind direction, ensuring the flue gas jet direction follows the wind direction.

The utility model discloses livestock and poultry manure high-temperature rapid dehydration and fermentation equipment which comprises a base and a dehydration and fermentation barrel, the dehydration and fermentation barrel is located at the top of the base, and a sealing mechanism used for sealing the dehydration and fermentation barrel is arranged at one end of the dehydration and fermentation barrel. A plurality of first electric heating wires used for heating are fixedly connected to the inner wall of the dehydration fermentation barrel, and the stirring mechanism is located on the side wall of the dehydration fermentation barrel; the purification mechanism is positioned at the other end of the dehydration fermentation barrel; according to the scheme, by arranging the stirring mechanism, livestock and poultry manure can be conveniently turned, flapped and stirred, meanwhile, high-temperature drying and rapid dehydration are conducted on the livestock and poultry manure, so that the situation that dehydration of the manure at the bottom and in the middle is affected due to manure accumulation is avoided, and the purpose of effectively improving the dehydration and fermentation efficiency is achieved; the ammonia gas generated after the excrement is dehydrated and fermented can be conveniently filtered and purified, so that the aim of effectively preventing the ammonia gas from severely polluting the surrounding environment is fulfilled.

The invention provides an iron-based amorphous composite coating as well as a preparation method and application thereof, and relates to the technical field of amorphous coatings. The chemical composition of the iron-based amorphous composite coating provided by the invention comprises a FeCrMo amorphous coating and Cr3C2 particles which are dispersed in the FeCrMo amorphous coating, and the mass content of the Cr3C2 particles in the iron-based amorphous composite coating is 3-10%. The FeCrMo amorphous coating provided by the invention has the characteristics of high hardness, high wear resistance and more excellent corrosion resistance, does not contain toxic substances and is low in cost, and the prepared material has good mechanical properties of a metal matrix and excellent characteristics of an amorphous alloy. 3-10% of Cr3C2 particles with high hardness, chemical stability and corrosion resistance are added as a reinforcing phase, so that the hardness, wear resistance and corrosion resistance of the iron-based amorphous composite coating are remarkably improved, and the service life of a metal matrix under high-load and severe working conditions can be prolonged as a protective layer.