876results about How to "Guaranteed purification effect" patented technology

The invention relates to a multifunctional ecological purification system for large-scale circulation breeding water, which is used for exchanging water in a pond and purifying the breeding wastewater in the pond. The purification system comprises an efficient precipitation and filtration region, an ecological breeding purification region, an artificial wetland purification region, a water collecting pond and an automatic water quality monitoring and regulating device, wherein the efficient precipitation and filtration region, the ecological breeding purification region and the artificial wetland purification region are used for purifying a water body, and the automatic water quality monitoring and regulating device is used for monitoring the quality of the water body in the purification system and controlling operation of the purification system. Compared with the prior art, the system can be used for automatically monitoring the water quality in the system, so that water in the pond can satisfy the requirements of aquaculture water after being subjected to circulation treatment of the purification system. Meanwhile, aquatic animals and plants and bottom mud generated in the purification system can be recycled. The system provided by the invention can be applied to purifying large-scale aquaculture wastewater and has good economic and environmental benefits.

A machining device based on a non-Newtonian fluid shear thickening mechanism polishing method comprises a workbench, a polishing tool system, an abrasive fluid circulation device and a computer control module, wherein the polishing tool system is installed on a portal frame of the workbench, an inlet of the abrasive fluid circulation device is communicated with an abrasive backflow opening in the workbench, and the workbench, the polishing tool system and the abrasive fluid circulation device are respectively connected with the computer control module. The machining device has the advantages that the application range is wide, the size of machined workpieces is not limited, the structure of the device is simple, the device is controlled easily, a computer controls the operation track of the device, the polishing process of non-Newtonian fluid abrasive fluid and the surfaces of the workpieces can be controlled effectively, a non-Newtonian fluid abrasive fluid circulation system is adopted, and the functions of removing abrasive dust, purifying, recycling, transporting and storing the abrasive fluid, and adjusting performance are achieved.

A non-alloy spherulitic austenite iron contains C (3.5-3.8 wt.%), Si (2.6-2.85), Mn (0.2-0.4), P (<or=0.05), S (0.005-0.015) Mg (0.03-0.045), RE (0.02-0.04) and Fe (rest). Its heat treating process includes heating to 840-900 deg.C in resistance furnace, holding the temp for 1-2 hr, cooling to 780-800 deg.C, holding the temp for 0.5-1 hr, quenching in oil to 300-230 deg.C, holding the temp in isothermal furnace, and cooling in air. Its advantages are no need of noble alloy elements, and high safety.

The invention provides a rotation heat storage type waste gas incinerating device and belongs to the technical field of environmental protection devices. The rotation heat storage type waste gas burning device solves the problems that a cylindrical incinerator body of an existing waste gas incinerator divides a heat storage chamber into sector-shaped parts, and installing and replacing a heat storage body are difficult. The rotation heat storage type waste gas burning device comprises a rotation reversing valve and an incinerator with a square cavity. The upper portion of the cavity of the incinerator is a combustion chamber, and the lower portion of the cavity is provided with partition boards dividing the lower portion of the cavity into nine square cavity bodies which are arranged in three rows and three columns. The center square cavity body is sealed, the rest eight peripheral square cavity bodies are internally provided with heat storage bodies, and the bottoms of the rest eight peripheral square cavity bodies are provided with grids capable of supporting the heat storage bodies, and therefore heat storage chambers are formed. All the heat storage chambers are communicated with an air inlet zone, an air discharge zone, a blowing and sweeping zone and a blind zone of the rotation reversing valve through connection air pipes respectively. Due to the fact that the cavity of the incinerator is arranged to be square, the cavity can be matched with the heat storage chambers more easily. The heat storage bodies are easy to manufacture and easy to maintain.

The invention provides an air cleaner and a filter service life detection method. The method comprises steps: A, the current gravity value, the current pressure difference, the current pollutant tolerance capacity and the current gas filtration efficiency of the gaseous pollutant filter are calculated; B, if the current gravity value is larger than a threshold, or the current pressure difference is larger than a threshold, or the current pollutant tolerance capacity is larger than a threshold, or the current gas filtration efficiency is smaller than a threshold, a step E is carried out; C, the current gravity value, the current pressure difference, the current dust tolerance capacity and the current particle filtration efficiency of the solid particle filter are calculated; D, if the current gravity value is larger than a threshold, or the current pressure difference is larger than a threshold, or the current dust tolerance capacity is larger than a threshold, or the current particle filtration efficiency is smaller than a threshold, a step E is carried out; and E, a prompt of life expiration is given. The method of the invention can realize real-time and accurate detection on the service life of the filter in the cleaner, the user is timely reminded to change the filter, the cleaning effects are ensured, and a secondary pollution problem caused by untimely filter change is avoided.

The invention discloses a method for remedying the micro-polluted water body. The method comprises the following steps: 1) the micro-polluted water body firstly enters a first-stage water treatment area to perform sand settling and uniform water distribution; 2) the water body secondly enters a second-stage water treatment area-wetland bed, wherein the wetland bed is mainly composed of filler anda water plant, the water plant is giant reed, the filler is composed of upper filler and lower filler, the upper filler is gravel and the particle size is 5-10mm; the lower filler is the shale brick,the particle size of the shale brick is 10-60mm and the root system of the water plant grows in the filler; and 3) the water body finally enters a third-stage water treatment area to homogenize the effluent quality, and the water body can be discharged and enter the outer water body. The system has the following advantages: (1) no energy is consumed, the system is difficult to block; (2) the investment is low, the system is convenient to operate and manage; (3) the shock resistance is strong; and (4) the nitrogen-phosphorus removal rate is high and the system has a certain economic benefit.

The invention relates to a high-dryness filter and a method. The high-dryness filter comprises a cylinder body, a hydraulic cylinder and two crossbeam binders, wherein a plurality of foot box binders are welded on the bottoms of the two crossbeam binders respectively; lateral box binders are arranged at the positions, which are close to both ends, on the tops of the two crossbeam binders; the bottoms of the lateral box binders are welded on the two crossbeam binders respectively; guide rails are arranged at the positions, which are close to middle parts, on the two crossbeam binders; the cylinder body is arranged above the guide rails; the front and rear sides of the cylinder body are provided with a plurality of cylinder body support binders respectively; the bottoms of the cylinder body support binders are arranged on the guide rails through wheels; a fixed piston on the left side of the cylinder body is connected with the lateral box binder on the left side through welding; and a movable piston on the right side of the cylinder body is connected with a hydraulic rod of the hydraulic cylinder. The high-dryness filter has the advantages that: the solid content of mud cakes is improved, the automation degree is extremely high, and the energy consumption is extremely low; and the moisture content of the mud cakes is low, the mud cakes are convenient to transport and treat, and the aim of drying, and the aims of emission reduction and innocent treatment are also fulfilled.

The invention relates to the technical field of ventilating systems and discloses a total heat exchanger and a control device and method thereof in order to solve the problem that an existing total heat exchanger cannot give consideration to all the changes of spring, summer, autumn and winter (including severe cold weather). The total heat exchanger comprises a box body. The box body is provided with an outdoor air inlet, an indoor air supply outlet, an indoor return air inlet and an outdoor air outlet. A heat exchange core body, an air supply fan and an exhaust fan are arranged in the box body. The box body is further internally provided with a first heat exchange air channel, a second heat exchange air channel, a bypass air channel and an internal circulation air channel. The total heat exchanger can conduct switching among a heat exchange mode, a bypass mode and an internal circulation mode. The total heat exchanger is used for an indoor ventilation system.

The invention provides an automatic control method of an air purifier. The air purifier comprises a pollutant concentration detecting device, a purifying device and an air blowing device. The automatic control method is characterized by comprising the following steps: detecting the concentration Qs of pollutants in air; detecting the concentration Qe of the pollutants in the air after a purification time T; detecting the mass Q of the pollutants adsorbed by the purifying device within the purification time T; calculating equivalent indoor volume V, wherein a calculating method is as follow: V=P/(Qs-Qe). According to the automatic control method provided by the invention, through calculating the equivalent indoor volume V, an actual rotating speed n can be adjusted according to the equivalent indoor volume V, and the purification efficiency of the air purifier is enabled to be basically the same under the situations of different purification space and adjustment of the rotating speed and the air purifier, so that the purification effect and the balance in aspects of energy saving, noise reduction and the like can be obtained; in addition, correction on the rotating speed by real-time purification efficiency of the purifying device is also considered, so that the rotating speed matching is further optimized.

The invention discloses an indoor air purification device, and relates to the technical field of air purification. The indoor air purification device comprises a box body. A filter screen and a disinfection box are sequentially and fixedly connected between the two sides of the inner wall of the box body from left to right. The top of the inner wall of the box body is fixedly connected with an exhaust fan. An extraction opening of the exhaust fan communicates with an exhaust pipe, and the end, far away from the exhaust fan, of the exhaust pipe communicates with a suction plate. An air outlet of the exhaust fan communicates with a connecting pipe, and the end, far away from the exhaust fan, of the connecting pipe penetrates through the disinfection box and stretches into the disinfection box. The top of the inner wall of the disinfection box is fixedly connected with a first motor. Disinfection bottles are fixedly connected to the top of the inner wall of the disinfection box and located at the two sides of the first motor. By the adoption of the indoor air purification device, the problem that an existing air purification device cannot achieve effective purification is solved, air can be filtered and purified and then be exhausted into the air, the exhausted air is harmless to human bodies, and environmental pollution is reduced.

The invention relates to a city watercourse drain outlet sewage treatment method. The method mainly comprise the steps of regulation, wherein sewage is introduced into a regulating reservoir for regulation; mixing with flocculant, wherein sewage in the regulating reservoir is led out to be mixed with flocculant; flocculent settling, wherein sewage mixed with flocculant is sequentially introduced into a baffle flocculation reaction tank and a settling tank for sewage flocculation and sludge precipitation separation; denitrification, wherein water discharged from the settling tank and part of water discharged from a nitration aerating filter are introduced into a denitrification filter for denitrification; aerobiotic nitration, wherein water discharged from the denitrification filter is introduced into a nitration aerating filter for nitration; filtration, wherein part of water discharged from the nitration aerating filter is introduced into a filtering device for filtration. The invention further provides a sewage treatment device adopting the method. The sewage treatment device comprises a regulating reservoir, a pipeline mixer, a baffle flocculation reaction tank, an oblique plate settling tank, a denitrification filter, a nitration aerating filter and a clear water pond which are connected in series, wherein a water outlet pipeline of the clear water pond is connected to a filter device.

The invention discloses a method for removing halogenated nitrogen-containing sterilization side products from drinking water. The method comprises the following steps of: (a) adding hydrogen peroxide, peroxysulphate and carbonate into the drinking water and uniform mixing to obtain a mixed solution, wherein the initial concentration of the hydrogen peroxide in the drinking water is controlled at 20-60mu M, the initial concentration of the carbonate is controlled at 1-10mM, and the molar concentration ratio of the hydrogen peroxide to the peroxysulphate is controlled at 1: (1-5); (b) transferring the mixed solution to a catalyst bed to carry out a contact reaction, wherein the empty bed contact time of the mixed solution inside the catalyst bed is 20 minutes-35minutes, and the catalyst bed is filled with a catalyst with a hydroxylated surface The method disclosed by the invention is mild in use condition, economical, free from secondary pollution, and high in efficiency of removing the halogenated nitrogen-containing sterilization side product from the drinking water.

The invention discloses a three-level washing electrostatic de-dusting purifying device which comprises a base and a purifying box, wherein idler wheels for conveniently carrying the device are arranged on left and right sides of the base; the purifying box is arranged above the base; support pillars are symmetrically arranged on the two sides of the lower end of the purifying box; support sleevesare slidably sleeved on the lower ends of the support pillars; damping springs are arranged in the support sleeves; the upper ends of the damping springs are fixedly connected with the support pillars; the lower ends of the damping springs are fixedly connected with the support sleeves; the arrangement of the damping mechanism is beneficial to the promotion of the anti-seismic property of the device; a rotating shaft is horizontally arranged at the bottom of the purifying box; a rotating bearing which is matched with the rotating shaft is arranged on the purifying box; the right end of the rotating shaft is penetrated through the purifying box and is connected with an output end of the rotating motor. The three-level washing electrostatic de-dusting purifying device has a simple and reasonable structure, is convenient for carrying, has excellent anti-seismic property, is capable of realizing the three-level purifying treatment for air, is capable of eliminating the purifying dead angle of the traditional device, is capable of guaranteeing the purifying effect of air and has high practicability.

The invention relates to an intelligent purification robot system and a control method thereof and belongs to the field of purification. The intelligent purification robot system comprises an inductor and a main purification machine, which are used cooperatively, wherein the inductor comprises a mounting plate and an outer cover; a positioner I, a PM2.5 sensor, a gas sensor and a single chip control module are arranged on the mounting plate; the single chip control module is connected with a wireless transmission module; the main purification machine comprises a housing; an air inlet cavity, a filter screen, a fan, a deodorization module, a PM2.5 removal module and an air outlet cavity are arranged on the housing from bottom to top in sequence; an air inlet and an air outlet, which correspond to the air inlet cavity and the air outlet cavity, are formed in the housing respectively; an upper mounting housing is arranged at the top of the housing; a camera, a positioner II and a main control unit are arranged in the upper mounting housing; the main control unit is connected with a wireless receiving module; and electric casters are arranged at the bottom of the housing. The intelligent purification robot system is simple in structure and reasonable in design, saves time and labor, is convenient to use, has a good purification effect and high purification efficiency, and can be positioned and moved according to a contaminated area.

In the prior art, on the market, in order to solve the paint spray mist and the waste gas treatment, the traditional process is mostly used, and comprises: a dust-free paint mist collecting pre-chamber constructed from a rock wool plate, a paint spray water curtain cabinet, a ventilation connecting pipeline, a water washing tower dust removal device, a ventilation connecting pipeline, a waste gaspurification device (active carbon adsorption concentrating device, photocatalytic waste gas purification device, low-temperature plasma waste gas purification device and the like), a centrifugal induced draft fan, and 15-m high-altitude discharge. The invention discloses a paint spray mist dust removing and waste gas purification integrated machine, wherein paint mist collecting, paint mist dustremoval and purification, paint spray waste gas purification, circulating water treatment, fan built-in function and other functions are integrated into the one device, and the technology belongs to the environmental protection field, and is used in various paint spraying and coating industries.

The invention relates to a smoke dust purification system. A fan is arranged at the head end of a filter chamber I; an air bag is arranged inside the head end of the filter chamber I; the air bag is matched with the fan for use; a pulse generator is arranged on the air bag and is connected with an electromagnetic valve through a lead wire; the electromagnetic valve is connected to a partition between a filter chamber II and an ash collection bin through a lead wire; a muffler is arranged below the fan; a motor is arranged below the muffler; a dust detector is arranged on the right side of the motor I; a motion image camera I is arranged at the tail end of a shell body; a 360-degree steering engine is arranged above the shell body; the 360-degree steering engine is controlled to rotate through a motor II; a 180-degree steering engine is arranged above the 360-degree steering engine; a motion image camera II is arranged on the 180-degree steering engine; a heat dissipation opening is formed in an open compartment and is matched with a battery pack for use. The smoke dust purification system is used for purifying smoke dust.

The invention discloses a decoration space peculiar smell purifying method and device and belongs to the technical field of air purification. The decoration space peculiar smell purifying method comprises the purifying process that peculiar smell in a decoration space enters a low-temperature plasma reactor to be treated and then enters a catalytic reactor, ultraviolet rays and a by-product ozone produced by the plasma reactor can strengthen the photocatalytic pollutant and intermediate product degradation process, residual ozone and nitric oxide and other by-products are removed through an efficient ozone decomposition catalyst, and meanwhile the peculiar smell in the decoration space is after-purified through an activated carbon layer and then is discharged into a room together with negative ions. The peculiar smell in a newly decorated room can be effectively treated, the ultraviolet rays and ozone produced by a low-temperature plasma can be also fully utilized to strengthen the photocatalytic pollutant and intermediate product degradation, the two processes complement each other's advantages, the energy utilization rate can be improved, and meanwhile the negative ions are released to actively purify an indoor air environment.

The invention relates to a method and device for continuously preparing high-purity carbon nano tubes. The method comprises the following steps: (1) performing inert gas replacement on carbon nano tubes, passing through a pressurized seal pneumatic conveying device via a quantitative dumping device, and entering a gradient heating device at a normal temperature in a dense-phase flow form under drive of mixed gases of protective carrier gas and acid gas; (2) preheating and reacting the carbon nano tubes in the gradient heating device; (3) separating the purified carbon nano tubes from tail gases by virtue of a two-stage gas-solid separation device, cooling the carbon nano tubes by a cooling device in the gas-solid separation device, and enabling the carbon nano tubes to enter a high-puritycarbon nano tube collection device via a feeding hole; and (4) enabling the tail gases to enter a tail gas treatment device, feeding the protective gas to a protective gas inlet via a recycling pressure stabilizing device; and feeding impurity tail gases into a tail gas collection device. According to the method disclosed by the invention, the carbon nano tubes with the high purity of 99.9% or higher can be obtained, and the device disclosed by the invention is simple in operation, simple and stable in process, low in operating cost and stable in product quality.

The invention discloses a purifying method of a high-purity silica gel, belonging to the technical field of chemical-mechanical polishing. The purifying method is suitable for purifying silica sol in the chemical-mechanical polishing of a super-large-scale integrated circuit. The purifying method comprises the following steps: uniformly mixing regenerated strong acid cation exchange resin with strong base type anion exchange resin; adding silica sol to be purified in a container filled with strong acid and strong base mixed resin and controlling the temperature, stirring to enable the silica sol to be purified and the strong acid and strong base mixed resin to be mixed uniformly and realizing dynamic purification; and adding a composite chelating agent and a flocculating agent in the dynamic purifying process of the silica sol and controlling the pH value to 1-5 to obtain the purified silica sol. The content of metal ions in the purified silica sol is reduced to ppb level; and the obtained high-purity silica sol can meet the requirement of a substrate or a chip polishing solution for new generation of line width on the purity of the silica sol.

A biological tower applied to sewage disposal includes a tower body(1), an inlet branch (2), a water distribution device communicated with the inlet branch (2),a biological filler area (4) and a pedestal (5); wherein, the biological filler area (4) is arranged on the whole tower body (1) while the water distribution device is arranged on the upward side of the biological filler area (4) and a filler supporting net is arranged between the top plate surface of the pedestal (5) and the biological filler area (4); while the pedestal (5) includes a top plate, a bottom plate (52) and a side wall (53) encircling between the top plate and the bottom plate. The top plate of the pedestal (5) is provided with a through hole (51a). The upper part of the side wall (53) of the pedestal (5) is provided with a through hole (53b) and the bottom part is provided with a water outlet (53c). Compared with the prior art, the biological tower of the present invention adopts the purifying mode of natural flow from up to down to lead the tower to consume lower energy. The present invention has the advantages of very simple monolithic structure and fewer parts. The present invention has greatly reduced construction lost and is more suitable for practical application.

The invention discloses an aflatoxin enrichment and purification method. The aflatoxin enrichment and purification method comprises the following steps that a graphene-alloy nanomaterial synthesized by graphene and golden balls is added into a sample extracting solution of an agricultural product to perform toxin adsorption; the sample extracting solution mixed with the nanomaterial is charged into an empty solid-phase extraction column with gaskets, and then the surface is covered with a layer of gaskets after thorough pumping; impurities are washed off with leacheate, then elution is performed by using eluant, and a concentrated solution containing a target product is obtained after the collected eluant is concentrated. The enrichment and purification method is stable and mature, can be suitable for simultaneous enrichment and purification of six types of aflatoxins in peanuts, corns, wheat and other grain and oil products and is wide in application range and good in purification effect.

The invention relates to an absorption oil-gas recycling system and an absorption oil-gas recycling process. The system comprises an absorption device, a desorption device, an intake device and a storage device, which are connected with one another. The absorption device and the desorption device are more first-staged. By the absorption oil-gas recycling system, the recycling process by combining multistage absorption and desorption is achieved, the problems of pollution and waste of hydrocarbon components in oil and gas are solved, external environment is protected effectively, and energy is utilized efficiently and economically. The absorption oil-gas recycling system is suitable for popularization and application in related oil-gas recycling fields, especially suitable for fields such as lean oil recycling and reusing and crude oil-gas recycling and reusing.

The invention discloses an intelligent air purifier filter element replacement reminding method. The intelligent air purifier filter element replacement reminding method comprises the following stepsof: obtaining the current purification working parameters of an intelligent air purifier during purification, purification environment parameters and first working time for purification; obtaining thereference purification time for purification of intelligent air purifier at an ideal state under the same purification working parameters and purification environmental parameters; calculating the corresponding reference time threshold according to the reference purification duration; and judging whether the first working time is greater than the reference time threshold, if yes, reminding a userto replacing a filter element of the intelligent air purifier. In addition, the invention also discloses an intelligent air purifier filter element replacement reminding device. The intelligent air purifier filter element replacement reminding device comprises modules containing computer executable instructions so as to execute the method. The intelligent air purifier filter element replacement reminding method and device can remind the user to replace the filter element timely and accurately according to the actual using conditions of the filter element.

A multifunctional air conditioner mainly comprises a case, an inner fan, an outdoor unit, an exhaust fan, a fresh air valve, an air exhausting valve, an evaporator, an air purifying valve, an inner side valve, an ultraviolet lamp and/or negative ion, a controller, a displayer, heat exchangers, a purifying assembly, an indoor temperature and humidity sensor, an outdoor temperature and humidity sensor, an indoor gas sensor, an outdoor gas sensor, a connecting pipeline and a by-pass valve. The controller controls the inner fan, the outdoor unit, the exhaust fan and all the air valves so that the multiple functions of the air conditioner, a fresh air machine, the air purifier and the like can be achieved, and the requirements of people for the temperature, freshness and purity of the air are fully met.

The invention discloses a high-strength casting magnesium alloy with low hot cracking tendency and a preparation method for the high-strength casting magnesium alloy. The magnesium alloy is prepared from the following components in percentage by weight: 8-10wt.% of Gd, 2-4wt.% of Y, 0.1-1.5wt.% of Ce-rich mixed rear earth RE, 0.1-1.5wt%.% of Ag, 0.1-1wt.% of Ca, 0.3-0.7wt.% of Zr, less than 0.02wt.% of impurity elements Si, Fe, Cu and Ni, and the balance of Mg. The magnesium alloy disclosed by the invention is obtained by smelting as well as follow-up solid-solution and ageing thermal treatment (T6 treatment). In case of guaranteeing the room-temperature high-temperature performances of the Mg-Gd-Y-series magnesium alloys, the thermal cracking resistance in an alloy casting process is greatly improved, and therefore, the high-strength casting magnesium alloy is more suitable for producing thin-wall, complex-structured and large and medium-sized structural components with light-weight and high-strength requirements, and has a wide industrial application prospect.