52results about How to "Not clogged" patented technology

The invention discloses a method for removing SO2 by utilizing soda ash waste liquid and carbide waste slag. CaCl2 in the soda ash waste liquid is utilized to react with the SO2 in flue gas, white CaSO3 settlement is generated, HCl is released and dissolved in water to form hydrochloric acid with very low concentration; Ca(OH)2 in the carbide waste slag is used for neutralizing HCl and generating CaCl2 and water, and CaCl2 is recycled. The desulphurization process mainly consumes Ca(OH)2 in the carbide waste slag. If no local soda ash waste liquid, calcium chloride dehydrate (CaCl2*2HO) produced by the soda ash waste liquid can be purchased for preparing CaCl2 solution. The carbide waste slag can be replaced by lime. The process is characterized by one high, two low and three points of environmental protection. The process firstly has high desulphurization rate, secondly has low fixed-asset investment and low running costs and thirdly utilizes the waste liquid and the waste slag to reduce the environmental pollution. Compared with all prior desulphurization processes, the process has great advantages.

The invention provides a sewage filter, which synthesizes a shallow tank theory, a dynamic coagulation theory, an accelerated coagulation theory and an inclined plate technology, effectively solves the problem of easiness in blockage of the traditional inclined plate. The sewage filter is used for subdividing raw motion water through by using filter masks and a plurality of through hole structures; and the raw water forms stable eddies at rear edges of plate holes of filter mask bodies. Under the entrainment action of the eddies, non-fluidic substances in the raw water are collected at centers of the eddies and get in continuous contact and collision with one another in eddy cores to undergo a flocculation reaction, and slides down along the mask bodies under the gravity action to settle into a mud collecting hopper, so that the purposes of removing suspended substances in the raw water and cleaning a water body are achieved. The sewage filter can rotate around an axis of a rotating shaft; and a strongly turbulent shear flow is formed through left and right repeated quick rotation to scour an inclined plate at a high speed and to clean deposits and blockages very conveniently.

The invention relates to a concentrated solution drying system utilizing smoke waste heat to concentrate desulphurization waste water. The concentrated solution drying system comprises a flue heat exchanger, an evaporator group, a tail gas condenser, a tail gas condensation tank and a desulphurization waste water drying system, wherein a desulphurization waste water pipeline and a flue heater areconnected with the evaporator group, steam treated by the evaporator group successively enters the tail gas condenser and the tail gas condensation tank, and the desulphurization waste water concentrated solution treated by the evaporator group enters the desulphurization waste water drying system; the flue heat exchanger utilizes the smoke waste heat to heat the desulphurization waste water in the evaporator group; the evaporator group separates impurities from the desulphurization waste water in an evaporation manner; the tail gas condenser cools and condenses the evaporated steam; the tailgas condensation tank stores the condensed water and sends the condensed water into a finished product water tank; and the desulphurization waste water concentrated solution in the desulphurization waste water drying system is sprayed into a drying space to be mixed with flying ash to form solid powder to be collected. By adopting the concentrated solution drying system, no waste solid, waste water and waste gas is generated in the technological process, the condensed water evaporated by the waste heat of the smoke is completely recycled, the investment expense is low, and the maintenance costis low.

The invention relates to a thin-layer self-control static solid fermentation integrated optimizing method and a device thereof. To solve the problems existing in the prior art, the method comprises the following steps: paving solid fermentation materials, which have been sterilized and inoculated, on a multi-layer movable slat fermentation bed in a sterile fermentation room to form a thin layer at a time, automatically controlling the sterile air volume, temperature and humidity to carry out solid fermentation according to the different fermentation phases, starting the driving device of the multi-layer movable slat fermentation bed to move the materials out of the fermentation room after the fermentation of the solid materials is finished, and finally carrying out a product post-treatment. The device comprises a sterile air adjusting system, a movable bacterium sterilizing and inoculating tank, a spiral paving machine, a multi-layer movable slat fermentation bed, and a sterile fermentation room. The method and device have the following advantages: (1) the hyphae of zymocyte are not easy to break, the growth of zymocyte is good, and the device is especially good for the enzyme-producing and enzymolysis solid fermentation; (2) the massive production bottleneck of thin-layer static solid fermentation is broken down, the industrial scale-production degree is high, the equipment investment is little, and the production efficiency is high.

The invention belongs to a preparation method of an explosion-suppressing material. The explosion-suppressing material comprises the following chemical compositions by weight percent: 0.3-0.5 percent of Si, 0.1-0.3 percent of Fe, 0.15-0.25 percent of Cu, 1.0-1.5 percent of Mn, 1.0-1.5 percent of Mg, 0.1-0.3 percent of Zn, 0.15-0.25 percent of Ti, 0.03-0.06 percent of La, 0.05-0.09 percent of Ce and the balance Al. A grain structure of the explosion-suppressing material is refined by adopting a repeated heating forging and pressing method. The explosion-suppressing material provided by the invention has excellent extrusion resistance, collapse prevention, zero dreg-falling and high-strength explosion-suppressing property. The performance indexes of the explosion-suppressing material, such as strength, plasticity, fracture toughness and fatigue resistance, are greatly increased according to the preparation method; the technology is simple and is easily performed; and the service life of the explosion-suppressing material is prolonged.

The invention provides a flow passage type sewage heat exchanger which structurally comprises a box body, a sewage flow passage, a clear water flow passage, a dirt removing door and a base. Sewage and clear water respectively flow in the flow passages arranged inside the box body and heat is exchanged through a dividing wall. The clear water flow passage is composed of a plurality of circular heat transmission tubes, arranged inside the sewage flow passage with a rectangular cross section, and tightly attached to the lower surface of a top plate of the sewage flow passage. The sewage flow passage comprises a sewage inlet, a sewage pipeline and a sewage outlet. The sewage enters the heat exchanger from the sewage inlet, enters the sewage pipeline from a water inlet at one end of the top plate of the sewage pipeline, flows out from a water outlet at the other end of a bottom plate, and finally flows out from the sewage outlet. The clear water flow passage comprises a clear water inlet, an inlet water distributive tank, clear water pipelines, a tile-shaped plate, an outlet collection tank and a clear water outlet. The clear water enters the heat exchanger from the clear water inlet, passes the inlet water distributive tank, enters the clear water pipeline, passes the tile-shaped plate, enters another clear water pipeline, and finally passes an outlet collection tank and flows out from the clear water outlet.

The invention relates to a blocking-proof micro-bubble aeration device, which is used for oxygen aeration of an aerobic treatment section in a sewage treatment process. The device is cylindrical, and comprises the structures of an inner barrel, an outer barrel, an air inlet pipe, an air nozzle, a water plate, a diffusing pipe and the like, wherein a crushing chamber and a snakelike waterway are formed between barrel walls of the inner barrel and the outer barrel, an air-water mixture enters the crushing chamber and the snakelike waterway via the diffusing pipe, and repetitive multi-time impact crushing and disturbing and dispersing are carried out, so that micro bubbles are generated. According to the device, the micro bubbles are not generated by extruding compressed air through micro holes in the surface of the aeration device (head), thus, the micro holes are not formed in the surface and interior of the device, and the problem of blocking is prevented from occurring.

The invention discloses an identification type permeable pavement brick and a preparation method thereof. The identification type permeable pavement brick comprises a permeable base layer and a luminous surface layer; the permeable base layer is prepared from the following components in parts by weight: 390 to 420 parts of cement, 10 to 30 parts of mineral powder, 750 to 850 parts of heavy slag gravel, 800 to 900 parts of heavy slag sand, 1 to 5 parts of a water reducing agent and 210 to 230 parts of water; and the luminous surface layer is prepared from the following components in parts by weight: 20 to 30 parts of film-coated color sand, 1 part of resin, 0.25 to 0.3 part of curing agent, 0.9 to 1.1 parts of light-emitting material, 0.2 to 0.4 part of light-reflecting material and 0.05 to 0.1 part of auxiliary agent. The identification type permeable pavement brick has a colorful effect in the daytime, can absorb sunlight and store light energy, releases the stored light energy in the form of visible light at night, and has good mechanical properties and water permeability.

The invention relates to a pressure atomization burner special for high-energy carbon alcohol slurry clean industrial fuel. The pressure atomization burner comprises a fuel feed system, a first pressure atomization nozzle, an ignition system and an air supply device; the fuel feed system is used for feeding the solid-liquid-phase mixed fuel and comprises a fuel storage tank used for storing the solid-liquid-phase mixed fuel, a booster pump used for pumping out the solid-liquid-phase mixed fuel, a fuel one-way valve located on the booster pump and a first fuel flow rate adjusting valve located behind the fuel one-way valve; the first pressure atomization nozzle is located behind the fuel flow rate adjusting valve and used for supplying the atomized solid-liquid-phase mixed fuel to a burning mechanism; the ignition system comprises an ignition transformer and an ignition bar; the air supply device is used for supplying air to the burning mechanism. The pressure atomization burner has the advantages of being simple in structure, low in cost, convenient to start up and shut down and automatically controlled, and not blocking a pipeline.

The present invention relates to the field of new material technology, and a technique for prparing nm ceramic particle material by use of industrial propane. The present invention features the technological scheme of designing a combustion nozzle and controlling the particle for collecting temperature and pressure to prepare nanometer ceramic particle material with the flame gas phase deposition process. The present invention has simple technological process, producing nanometer ceramic particle material low cost in, high in product purity, with uniformly distributed grain sizes, high spherical degree, average grain size of 10-100 nm and controllable crystal form, etc. The nanometer ceramic particle material may find its wide application in catalyst, functional paint, functional fiber material, fine ceramic material, cosmetics, etc.

A low-temperature evaporation and concentration system for desulfurization wastewater, including a wastewater heating system, a wastewater flash treatment system, and a flash steam suction compression system; after the desulfurization wastewater flows through the wastewater heating system and is heated, it enters the wastewater flash treatment system for spray flash evaporation The mechanism performs flash evaporation; the flash steam pipeline of the wastewater flash treatment system is connected to the flash steam suction compression system; after the flash steam is compressed and heated by the flash steam suction compression system, it is connected to the waste water heating system as a heat source Wastewater heating system; the desulfurization wastewater circulation pipeline of the wastewater flash treatment system is connected to the flue through the concentrated water output pipe and sprayed into the evaporation system; the desulfurization wastewater is heated and low-temperature flash reduction, the concentrated wastewater is sprayed into the flue to evaporate, and the wastewater The water vapor is discharged into the atmosphere along with the flue gas, and the salt substances in the wastewater are captured by the dust collector, which realizes the zero discharge of the desulfurization wastewater, improves the safety of the electrostatic precipitator operation, and recovers the salt-free water from the flash evaporation.

The invention relates to an oil deposit purification sewage sand-carrying filling sand prevention method and a sand prevention pipe column. The method comprises the following steps of 1, putting the sand prevention pipe column provided with a top packer in a predetermined position in a well, conducting packing, and opening a filling sand adding channel; 2, with oil deposit purification sewage withthe viscosity of 1.4-1.6 mPa.s as sand-carrying liquid, mixing the oil deposit purification sewage with quartz sand with the particle size of 0.4-0.8 mm according to the sand-carrying ratio of 3-15%,and afterwards, conducting positive squeezing and filling; 3, conducting releasing, and backwashing remaining sand in a pipe. According to the method, the oil deposit purification sewage with low viscosity serves as the sand-carrying liquid, the risks of sand blocking and sand burying are reduced, successful sand adding is ensured, and the construction requirement for low-sand-ration filling sandprevention is met. The sand-carrying liquid is the purified thickened oil sewage of an area where a construction well is located, has good compatibility with stratum liquid and stratum minerals, avoids the situation that chemical reactions are caused and sediments clog stratum pores, and is wide in source, cheap and low in cost.

The invention relates to a device and a method for treating tail gas by utilizing a carbide slag slurry in acetylene production through an indirect circulation method. According to the method, a carbide slag slurry is poured into a neutralization tank, and is conveyed into a clarification barrel by using a mortar pump; the carbide slag slurry is layered in the clarification barrel according to a sedimentation principle, wherein the solid part sinks to the bottom of the barrel, and the clear liquid rises to the top of the barrel and overflows into a clear water barrel; the slag slurry supernatant in the clear water barrel is conveyed to a leaching tower by using a leaching pump, and a leaching liquid is uniformly distributed in the leaching tower through spraying heads, and completely contacts, reacts with and absorbs acidic waste gas from a production device or waste gas capable of reacting with water to generate acidic substances; and the qualified tail gas after treatment is discharged to the atmosphere, and the neutralized leaching water enters a leaching tank, overflows into the neutralizing tank, and then is conveyed into the clarification barrel through the mortar pump so asto be recycled. The device of the invention is low in cost, convenient to control, remarkable in waste gas treatment effect and capable of continuously operating.

The invention relates to a selective garbage screening and feeding device and method. The selective garbage screening and feeding device comprises large-size material collection chambers (1), a large-size material screening roller (2), a large-size material screening roller driving motor (3), a movable grating (4), a fixed grating (5), a large-size material slide carriage (6), a crank driving motor (7), a liquid collection tank (8), a crank (9), a normal material discharging opening (10) and a rack (11). When being used for transporting mixed garbage, the selective garbage screening and feeding device with the method has the advantages of being capable of effectively removing large-size materials, being high in transportation capability, avoiding winding and blockage, resisting to abrasion, being capable of collecting filtrate and reducing humidity of the garbage, and the like.

The invention discloses a forming process of a special passive grinding wheel for a high-speed grinding vehicle. The forming process comprises the following steps of preparing materials comprising components of, in parts by weight, 55-70 parts of combination grain size fused alumina zirconia, 5-10 parts of combination grain size brown fused alumina, 9-12 parts of mixed resin, 0.5-1 parts of silanecoupling agent, 1.5-8 parts of ferric sulfide, 1.5-5 parts of potassium cryolite, 1-3 parts of feldspar powder, 1-3 parts of barite, 1.5-3 parts of semi-hydrated gypsum powder and 2-4 parts of hollowglass beads; mixing materials; carrying out cold press molding; and hardening. Compared with the prior art, the preparation method has the positive effects that the materials are selected according to a specific formula design, cold press molding is carried out, a passive grinding wheel prepared by arranging a solidifying heating curve suitable for the cold press molding process has the advantages that the strength is high, the self-sharpening performance is high, the grinding efficiency is high, the grinding wheel is not blocked in the grinding process, the heat dissipation is rapid, a steelrail is not burnt, and the quality of the surface of the ground steel rail is good.

The invention relates to an electromagnetic heating device with a water-cooling heat dissipation function. The electromagnetic heating device comprises magnet exciting coils, a drive circuit and a control circuit, wherein the magnet exciting coils are used for generating an alternating magnetic field and are matched with cookware made of ferromagnetic materials to form electromagnetic vortexes so as to heat the cookware made of the ferromagnetic materials; and the drive circuit and the control circuit are used for controlling and driving the magnet exciting coils to work. The electromagnetic heating device is characterized in that the magnet exciting coils are wound by a lead with a water-cooling sleeve to form an integral structure, the lead with the water-cooling sleeve is formed by a metal wire wrapped with an insulating layer or a paint insulating layer, a diversion pipe is externally sleeved outside the metal wire wrapped with an insulating layer or a paint insulating layer, and the diversion pipe is communicated with a water circulation cooling control system to form a water circulation loop. The electromagnetic heating device is capable of directly cooling the magnet exciting coils by virtue of water circulation, and has the advantages of good heat dissipation effect, no noise, safety and durability, and the like.

The invention belongs to the technical field of pollutant purification and particularly relates to an energy-conservation, desulphurization and dust removal integrated electric-bag dust remover. The electric-bag dust remover is characterized in that an integrated electric dust remover is modified into the electric-bag integrated dust remover with an energy-conservation, desulphurization and dust removal technology and comprises an electric dust remover body, a low-temperature economizer, a bag dust remover body, an air heater and an induced draft fan, the electric dust remover body, the low-temperature economizer, the bag dust remover body and the induced draft fan are sequentially connected, the low-temperature economizer is connected with the air heater, the air heater is connected with the position of the entry of an air preheater, and the induced draft fan is connected with a desulfurizing tower. By the arrangement, flue gas temperature is reduced, the electric-bag dust remover is downsized, filtration wind speed is reduced, and dust removal efficiency of the bag dust remover body is favorably improved; through longitudinal isolation, 3-4 channels are longitudinally isolated respectively from the entry to the exit, leakage can be isolated if available, and preparation is ready for online isolation for online overhaul; the energy-conservation, desulphurization and dust removal integrated electric-bag dust remover is mainly applied to thermal flue gas treatment.

The invention discloses a backwashing sewage lifter and a use method thereof. The backwashing sewage lifter comprises a closed water collecting tank and a control cabinet; at least two sewage liftingcircuits are arranged in the water collecting tank; each sewage lifting circuit comprises a terminal main pump and a lifting channel; one end of each lifting channel is connected with the output end of the main pump, and the other end of each lifting channel is communicated with a water inlet and a water outlet; water inlet check valves are arranged between the water inlets and the lifting channels, and water outlet check valves are arranged between the water outlets and the lifting channels; when the water level in the water collecting tank reaches the starting water level of one of the mainpumps, the control cabinet controls one of the main pumps to start to discharge water, back washing is carried out on the corresponding sewage discharge lifting circuit, water inflow is stopped or water inflow is carried out from the other sewage discharge lifting circuit; and when the water level is reduced to be lower than the starting water level of one main pump, the control cabinet controls one main pump to stop running. Compared with a traditional sewage pool and a lifting device, the backwashing sewage lifter has the beneficial effects of no blockage, no precipitation, no cleaning and no pollution, and the reduction of the occupied area.

The invention provides a method for sealing aluminium cell anode rods. The method is characterized in that a device capable of producing negative pressure is installed around each rod; and the flue gas originally overflowing through the clearance between the rods and a housing plate is reversely absorbed into a flue of an aluminum cell. The invention also correspondingly provides an anode rod sealing device specially designed for executing the method. The sealing device comprises side plates, a front end plate and a top plate and is characterized in that the sealing device consists of two side plates, the top plate and the front end plate and is a cavity device surrounding the anode rods from three faces; wherein (1) a grid structure is adopted on the front end of the device enclosing the anode rods from three faces; (2) the tail part of the device is welded with a plate-web girder and is communicated with a horizontal flue; and (3) the device is arranged on a horizontal housing plate and takes the horizontal housing plate as the bottom plate of the device. The sealing device can greatly reduce the leaked flue gas, thereby improving the working environment of an electrolysis shop, and creating good social and economic benefits.