30results about How to "Not prone to fouling" patented technology

The invention relates to high-salt complex wastewater reuse and zero discharge integrated equipment and a technology. The equipment provided by the invention comprises a pretreatment system, a reuse and reduction system and a zero discharge system. The technology comprises the following steps: carrying out homogenization and averaged quantity on high-salt complex wastewater, successively adding sodium hydroxide, sodium carbonate, PAC and PAM to carry out coagulation treatment, letting a mixed liquor which has undergone coagulation treatment enter a filter tank for sedimentation and filtration by the use of an immersed microfiltration membrane, letting a supernatant enter a reverse osmosis treatment process, letting pure water obtained by reverse osmosis treatment enter a reuse water tank for utilization, further condensing condensed brine, and crystallizing the condensed brine or putting the condensed brine into an evaporation pond for atomization and evaporation processing, wherein the reverse osmosis treatment adopts three-level RO: a medium-pressure membrane element is firstly used for desalination and condensation; a high-pressure membrane element is then used for further desalination and condensation; and a ultrahigh-pressure membrane element is finally used for further desalination and condensation. According to the invention, 95% of reverse osmosis concentrated water or analogous high-salt complex wastewater can be recovered for reutilization, only 5% of high strong brine is left to undergo evaporative crystallization or enter the natural evaporation pond. Water resources are fully recycled, and reuse and zero discharge costs of high-salt complex wastewater are reduced.

Decorative panel for air conditioning system, air outlet blow-off unit, and air conditioning system. Improvements in the shape of a horizontal vane (18) mounted at an air vent (16) of an airconditioner make it possible to set an adequate emission direction according to the operating status of the airconditioner, and in order to prevent, without fail, occurrence of ceiling fouling when an extension portion (16L) is defined at a lengthwise end of the air vent (16), the horizontal vane (18) is provided, at a position substantially corresponding to an inside end of the extension portion (16L) of the air vent (16), with a guide plate (18g) for guiding conditioned air in a direction substantially orthogonal to the lengthwise direction of the air vent (16).

The invention discloses a method for recovering and utilizing heat, and particularly relates to a method of recovering and utilizing the heat of waste water in the printing industry; the invention aims to provide a method of recovering and utilizing the heat of the waste water and a secondary filtering device used in the treatment of the waste water in the printing industry, wherein the method includes making full use of the waste heat in the waste water, and has no need for frequently cleaning the heat exchange equipment with the heat utilization ratio reaching 90%; after the single filter, the waste hot water passes through the secondary filtering device and a flat-plate type heat exchanger: the filtered hot water is reserved in an insulating hot water tank and the exchanged waste water is disposed. The method is characterized by easy operation, quick investment recovery and so on.

The invention relates to a transverse slot pipe heat exchanger, in particular to an asymmetric retractable transverse slot pipe heat exchanger, which belongs to the technical field of heat exchanging process equipment and aims at solving the problems of low comprehensive heat transfer efficiency and being inapplicable to gas-steam heat exchanging in the existing transverse slot pipe heat exchanger. Each heat exchanging pipe is an asymmetric retractable transverse slot pipe; the curvature radius of an arc surface of the inside wall of the asymmetric retractable transverse slot pipe located at a flowing away side is less than that of an arc surface of the inside wall of the asymmetric retractable transverse slot pipe located at an incoming flow side; the width of an opening of a ringlike slot arranged on the asymmetric retractable transverse slot pipe is at a range of 6-10mm; the height of a bead of the ringlike slot arranged on the asymmetric retractable transverse slot pipe is at a range of 0.6-1.1mm; and the wall thickness of the asymmetric retractable transverse slot is at a range of 2-3mm. The transverse slot pipe heat exchanger provided by the invention is applicable to the industrial field, and is particularly applicable to the gas-steam heat exchanging.

The invention provides an unpowered biochemical pretreatment device with a water quality and water quantity regulation function. The device consists of a grille, a water inlet flow guide pipe, an anaerobic/hydrolytic acidification water quality regulation pretreatment area, a water quantity regulation area, a water outlet pipeline maintenance safety valve, a filter, a water discharge flow large regulation valve, a water discharge flow micro regulation valve and a water outlet pipeline, wherein a biological filling material is arranged in the water quality regulation pretreatment area; a water outlet hole (pipe) is formed in (arranged on) a partition wall at the upper part of the filling material. The device provided by the invention makes full use of the advantages of an anaerobic/hydrolytic acidification biological treatment process, reserves the water quantity regulation area, controls the water discharge flow by adopting the combination of the water discharge flow large regulation valve and the water discharge flow micro regulation valve, ensures that the whole device integrates all the functions of the grille, an anaerobic/hydrolytic acidification biochemical pretreatment tank and a regulation tank, is less in floor area of equipment, simple in structure and simple and convenient in operation, does not need energy consumption when in operation, and is a practical and feasible process aiming at the pretreatment of small and distributed domestic sewage such as rural sewage and the like.

The invention discloses a chain tube mill, which comprises a base and a frame arranged on the base, wherein a driving forming roll and a driven forming roll are arranged on the frame as a pair; a leading-out terminal of one side of the driving forming roll and a leading-out terminal of one side of the driven forming roll are connected with the transmission mechanism; the other side end of the driving forming roll is connected with a speed-down motor; and the driven forming roll is connected with a hydraulic oil cylinder positioned on the upper frame through sliding blocks symmetrically arranged on the frame chute. The chain tube can reduce flow resistance, change heat exchange area, change fluid flushing force in the tube and enhance heat exchange effect, and scaling is avoided. A chain tube continuously formed by using the chain tube mill fills the blank in the field.

The invention discloses a manufacturing method of a corrugated carton, and relates to the technical field of corrugated paper packaging. The manufacturing method comprises the following steps of 1, cutting, specifically, cutting a corrugated paper raw material to obtain a corrugated paperboard; 2, printing, specifically, conveying the cut corrugated paperboard to a printing machine, selecting an image-text printing plate, printing the corrugated paperboard, and obtaining a printed matter; 3, spraying protection, specifically, evenly spraying a protective agent to the surface of the printed matter, and obtaining a coated semi-finished product after complete drying; 4, slotting, specifically, slotting the dried coated semi-finished product through a slotting machine to obtain a corrugated paper sample plate; 5, die cutting, specifically, performing die cutting on the grooved corrugated paper sample plate through a die cutter, and obtaining a die cutting sample plate; and 6, box pasting,specifically, folding and bonding the die cutting sample plate through a carton bonding machine to obtain a corrugated carton finished product. In the actual application process, printed patterns arenot prone to being stained, and the overall quality of the corrugated carton can be guaranteed.

The invention discloses a casing type wall-mounted furnace, and aims to providing the casing type wall-mounted furnace which is internally provided with an inner circulating device and has the advantages of being simple in structure, good in usage effect and capable of prolonging the service life of a product. The wall-mounted furnace comprises a shell, a burner, a heat exchanger, a heating waterheat-exchange pipeline and a domestic hot water heat-exchange pipeline, the heating water heat-exchange pipeline is connected with a heating water inlet pipe and a heating water outlet pipe, the domestic hot water heat-exchange pipeline is connected with a domestic hot water intlet pipe and a domestic hot water outlet pipe, the burner is also provided with a gas pipeline, and the heating water inlet pipe is provided with a circulating water pump; the casing type wall-mounted furnace also comprises an inner circulating water return pipe, the water outlet end of the heating water outlet pipe isprovided with an electric three-way valve and communicated with a water inlet of the electric three-way valve, one end of the inner circulating water return pipe is connected with one water outlet ofthe electric three-way valve, and the other end of the inner circulating water return pipe is communicated with a water inlet of the circulating water pump. The casing type wall-mounted furnace is applied to the technical field of casing type wall-mounted furnaces.

The invention relates to the technical field of solution treatment equipment, and discloses a treatment device for treating a leachate by utilizing steam. The device comprises a stock solution pool, the device further comprises a first processing assembly and a second processing assembly. Wherein the first treatment assembly comprises a first delivery pump, a reaction tank, a feeding assembly, a second delivery pump and a sedimentation tank, the feeding assembly comprises a medicament storage tank and a feeding pump, the second treatment assembly comprises a first evaporation tank, a first heat exchanger, an adjusting tank, a second evaporation tank, a second heat exchanger and a condensed water tank, and an acid-base tank is arranged on the adjusting tank; the device has the characteristics of being good in treatment effect and not prone to scaling.

The invention relates to a pneumatic swirling flow wet process desulfurization smoke plume purification device. The device comprises a pneumatic swirling flow purification unit and multiple supporting structures, the central axis of the pneumatic swirling flow purification unit keeps consistent with that of an absorption tower top chimney, and the pneumatic swirling flow purification unit comprises a base supporting plate, a swirling flow blade outer supporting annular plate, swirling flow blades, a swirling flow blade inner supporting annular plate, an upper sealing cover of the swirling flow blade inner supporting annular plate and a lower sealing cover of the swirling flow blade inner supporting annular plate. The pneumatic swirling flow wet process desulfurization smoke plume purification device can remove small liquid drops contained in saturated wet flue gas in a wet method desulfurization chimney outlet, inhibit the generation of 'white smoke plumes' in the chimney outlet and avoids secondary pollution to air. The device does not need a heating device, the energy consumption is low, scaling is not easily generated, and the investment cost is low.

The invention discloses a reduction treatment method applied to high-salt-content wastewater of a thermal power plant. The method is applied to a wastewater treatment system and comprises the following steps: a seed crystal adding step: adding a proper amount of seed crystals into a vertical falling-film evaporator; a preheating step: conveying a stock solution to a preheater for preheating, and then conveying the preheated stock solution to the vertical falling-film evaporator; an evaporation step: circularly evaporating and concentrating the stock solution in the vertical falling-film evaporator; and a crystal grain recovery step: conveying a concentrated solution obtained after concentration to a hydrocyclone, separating the crystal seeds by using the hydrocyclone, conveying the separated crystal seeds back to the vertical falling-film evaporator, and conveying the concentrated solution from which the crystal seeds are separated into a concentrated solution tank. In the processes ofevaporation and concentration, although the wastewater is continuously concentrated and reduced, the inner wall of a bottom liquid cavity is not prone to scaling due to the fact that seed crystal balance in circulating liquid (located in the bottom liquid cavity) is effectively maintained, and the working performance of the evaporator is kept.

The invention discloses a composite plastic film water jacket solar panel heat collector. A water jacket component is arranged between a sunlight plate and an insulating course, wherein, the water jacket component consists of a double-layer composite plastic film which is vertically provided with a plurality of intensified scalding sticking lines to ensure that the double-layer composite plastic film form a plurality of vertical water jackets, the upper ends of the water jackets are communicated one another and are communicated to water outlets, the lower ends of the water jackets are communicated one another and are communicated to water inlets. The outer layer of the double-layer composite plastic film is an ultravioresistant black non-luminous plastic film; the inner layer of the double-layer composite plastic film is an edible plastic film. The plastic material has low cost and simple production technique and is easy to reduce the defective rate; the hot water inside the plastic material water jacket is not easy to form scale, the service life is up to ten years; when the heat collector is used in the winter, the water jacket is not easy to frost crack because the plastic film is elastic, thereby bringing convenience to a user; the whole is lighter.

The invention discloses a rice soaking device for a brewing process in the technical field of brewing. The rice soaking device comprises a ground base, a rice soaking pond, a drainage channel and a wastewater recovery pond, wherein the drainage channel penetrates through the ground base; a positioning groove is formed in the bottom wall of the rice soaking pond, and a filter element assembly whichplays a role of filtering waste liquor is placed in the positioning groove; a water inlet end of the drainage channel is connected with the bottom wall of the positioning groove and communicates withthe positioning groove, filter element assembly is located at the water inlet end of the drainage channel, and an water outlet end of the drainage channel communicates with the wastewater recovery pond; the rice soaking pond is provided with an opening and closing mechanism for opening and closing the water inlet end of the drainage channel; the wastewater recovery pond is provided with an uppercover plate for closing an opening in the upper end of the wastewater recovery pond in a matched manner, and a filter basin of a screen shape is arranged in the wastewater recovery pond. The rice soaking device facilitates the discharge of wastewater and is also unlikely to generate accumulated scales.

The invention discloses anti-freezing mother liquor with good stability and a preparation method thereof. The preparation method comprises the following steps of: taking purified water, carrying out ultraviolet sterilization on the purified water, carrying out reverse osmosis filtration treatment, then feeding the purified water into an electric desalting device for treatment to obtain desalted water, and carrying out distillation treatment on the desalted water to obtain ultrapure water; adding the obtained ultrapure water into a reaction kettle, then adding ethylene glycol into the reactionkettle, performing high-speed stirring on the mixture through the reaction kettle at a temperature of 60-75DEG C for 30min, and then stopping stirring; performing low-temperature heating at 35-45DEG C, sequentially adding sodium benzoate, disodium hydrogen phosphate, benzotriazole, triethanolamine and hydrolyzed maleic anhydride into the reaction kettle, performing high-speed stirring treatment onthe later added solvents through the reaction kettle, and performing secondary stirring at a speed of 650-900r/min during stirring. Compared with the prior art, the anti-freezing mother liquor provided by the invention has the advantages of high corrosion resistance, good radiating effect and high stability, better solves the problems of metal corrosion and stored precipitate layering, and is notprone to scaling in use and high in use stability.

The invention discloses a reduction treatment system applied to high-salt-content wastewater of a thermal power plant. The system comprises a stock solution tank, a preheater, an evaporator, a steam compressor and a hydrocyclone; the liquid outlet end of the stock solution tank is connected with the first liquid inlet end of the preheater; a first liquid outlet end of the preheater is connected with a bottom liquid cavity of the evaporator; liquid stored in the bottom liquid cavity is pumped into a tube pass of the evaporator through a circulating pump; wherein an air inlet end and an air outlet end of the steam compressor are respectively connected with a shell pass of the evaporator, the bottom liquid cavity is connected with a liquid inlet end of the hydrocyclone, and a first liquid outlet end of the hydrocyclone is connected with a liquid inlet end of the circulating pump. In the evaporation and concentration process, although the wastewater is continuously concentrated and reduced, the inner wall of the bottom liquid cavity is not prone to scaling due to the fact that seed crystal balance in the circulating liquid (located in the bottom liquid cavity) is effectively maintained, and the working performance of the evaporator is kept.

The invention discloses an automatic liquid-state preparation and addition system for dense medium particles. The system comprises a dense medium suspension preparation box and a dense medium powder bin, an opening in the top of the dense medium turbid liquid preparation box is connected with a moisture-proof conveyor and a backflow pipeline, the backflow pipeline is connected with a conveying pipeline, a turbid liquid feeding door and a turbid liquid feeding flowmeter are arranged on the conveying pipeline, and a turbid liquid mass density meter and a turbid liquid backflow adjusting door are arranged on the backflow pipeline; a preparation box liquid level meter is arranged at the bottom of the side wall of the dense medium suspension preparation box; the preparation box water inlet door, the preparation box liquid level meter and the like are all connected with the controller. The device can effectively reduce pollution and blockage of heavy medium particles to equipment in the feeding process, greatly improve the utilization efficiency of the heavy medium particles, accurately control the preparation concentration and the feeding amount of the heavy medium turbid liquid, accurately control the concentration of suspended matters in the heavy medium coagulation clarification reactor, realize automatic control in the preparation and feeding process, and reduce the production cost. And system operation is stable and reliable.

The invention relates to the technical field of manufacturing of polymer materials, and discloses a fluorine-free abrasion-resistant polymer composite and a preparation method thereof. The fluorine-free abrasion-resistant polymer composite comprises the following raw materials in parts by mass: engineering thermoplastic and abrasion-resistant fluorine-free graft copolymer based on the ratio of (30-95): (5-70). The fluorine-free abrasion-resistant polymer composite further comprises reinforced fibers, wherein the ratio of engineering thermoplastic to abrasion-resistant fluorine-free graft copolymer to reinforced fibers is (30-90): (5-30): (5-60). The fluorine-free abrasion-resistant polymer composite further comprises a lubricating agent, a stabilizing agent and an antioxidant, wherein theratio of engineering thermoplastic to abrasion-resistant fluorine-free graft copolymer to reinforced fibers to (lubricating agent, stabilizing agent and antioxidant) is (30-89.9): (5-30): (5-60): (0.1-2). According to the fluorine-free abrasion-resistant polymer composite, PC, POM, PA and SAN grafted high molecular weight high density polyethylene is used as a material; polytetrafluoroethylene isnot added, so that the composite does not contain fluorine; an abrasion resisting additive is high in compatibility to substrate resin; the lubricating performance and the abrasion resistance are outstanding, the mass is light, and the appearance uniformity is improved under the same adding ratio; and moreover, the mechanical performance of the substrate resin is improved.

The invention discloses an internal combustion engine functional cooling liquid, which comprises, by mass, 60-80 parts of composite alcohol, 70-90 parts of propylene glycol, 30-50 parts of ethylene glycol, 0.02-0.1 part of a corrosion inhibitor, 0.01-0.05 part of a scale inhibitor, 0.05-0.15 part of denatonium benzoate, 0.02-0.05 part of an anti-foaming agent, 0.1-0.5 part of lactic acid, 8-12 parts of sodium silicate, 5-8 parts of starch, 0.1-1 part of a pour point depressant, 0.5-2 parts of a viscosity reducing agent, 1-3 parts of a metal deactivator, 0.1-0.5 part of a rust inhibitor, 0.1-0.5 part of an antioxidant, and the balance of other substances. The internal combustion engine functional cooling liquid of the present invention has the long service life, does not easily produce scale accumulation, does not corrode copper members, aluminum members and other mechanical parts, has the synchronous service life as the service life of the engine, and further has characteristics of no requirement of replacement maintenance and environment protection.