78results about How to "Achieve the purpose of regeneration" patented technology

The invention discloses decompression regeneration system and method for a hollow fiber membrane contactor of a carbon dioxide enriched absorbent solution. The method comprises the steps of: heating the carbon dioxide enriched absorbent solution by a heater, and enabling the pressurized carbon dioxide enriched absorbent solution to enter the tube pass of the hollow fiber membrane contactor for regeneration by a booster pump and a liquid flow meter; outputting the obtained barren solution of the absorbent solution after regeneration from the lower end of the tube pass of the hollow fiber membrane contactor; blowing steam by the low temperature generated by a blowing steam generator under the action of a vacuum pump, and feeding the steam from the lower end of the tube pass of the hollow fiber membrane contactor for assisting regeneration; and dewatering the regenerated CO2 by a condenser under the actions of the blowing of the steam with low temperature and the suction of the vacuum pump to obtain the CO2 gas with high concentration. In the invention, the decompression operation is carried out in the membrane contactor for replacing the traditional heating regeneration method, the regeneration energy consumption of the CO2 absorbent solution is reduced, and the problem of high energy consumption of CO2 separation from fire coal and flue gas by using the chemical absorbent method can be solved.

The invention discloses a bobbin type device for degrading triclocarban (TCC) in water by virtue of dielectric barrier discharge coordinated with activated carbon fiber and a method of the device. The device comprises a cylindrical reactor, a water distributing groove communicated on the upper part of the cylindrical reactor, a circulating buffer container and a rod-like high voltage electrode and a grounding electrode which are respectively connected with the positive and negative electrodes of an alternating current high voltage power supply, wherein the rod-like high voltage electrode is arranged in the cylindrical reactor while the grounding electrode covers the outer wall of the cylindrical reactor; activated carbon fiber layers are fixedly arranged on the inner walls of the cylindrical reactor; porous baffle plates are arranged on the surfaces of the activated carbon fiber layers; the circulating buffer container is respectively communicated with a waste water inlet formed on the side wall of the water distributing groove and a waste water outlet formed in the bottom of the cylindrical reactor to form a waste water circulating pipeline. The device is simple in design and low in equipment investment, the degrading efficiency can be improved by fully utilizing ozone generated by catalysis of the activated carbon fiber, and moreover, regeneration of the activated carbon fiber is realized, so that the device can be applied to treating organic waste water which is difficult to be biochemically degraded.

The invention discloses a filling type device for purifying VOCs (Volatile Organic Compounds) through low-temperature plasma synergistic adsorption and catalysis. The device comprises a pre-dedusting device and a shell, wherein the shell comprises an inlet horn with a small front part and a big rear part, a middle section and an outlet horn with a big front part and a small rear part; the pre-dedusting device, the inlet horn, the middle section and the outlet horn are communicated in sequence; a low-temperature plasma reactor is arranged in the middle section; the low-temperature plasma reactor is filled with a catalyst and activated carbon; the low-temperature plasma reactor is connected with a high-frequency and high-voltage power supply. The device integrates the low-temperature plasma technology and the adsorption and catalysis technology and improves the removal rate of the VOCs through mutual cooperation. The purifying device has the characteristics of being efficient in pollutant molecular decomposition and low in treatment energy consumption, adopts a one-section type structure and is small in floor area, so that a new idea is opened up for the treatment of the industrial VOCs.

The invention discloses a regenerating unit and method of a self-evaporating diesel particle trap with the advantages of fuel and steam premixing and swirling flow combustion. The regenerating device of the diesel particle trap is arranged in the middle of an exhaust pipeline of a diesel powered vehicle. The device comprises a combustor, a fuel supply system, an air supply system, an exhaust pressure monitoring and controlling system and an igniting system which are respectively connected with an electronic control system, wherein the electronic control system comprises a control chip; an exhaust check valve is respectively arranged on the exhaust pipeline and controlled by the electronic control system. The regenerating method of the regenerating unit of the diesel particle trap comprises the following steps of: stopping exhaust; primarily igniting; secondarily heating; and regenerating the diesel particle trap. The fuel steam and pressurized air are premixed and fully combusted, andthe diesel particle trap is uniformly heated through a rotary fire field to rapidly reach the particle combusting temperature to ensure that particles in the diesel particle trap are combusted, so that the purpose of regenerating the diesel particle trap is achieved.

The invention discloses an activated carbon microwave regeneration treatment method comprising the steps: placing adsorption-saturated activated carbon in a microwave device in an oxygen insulation state; performing microwave irradiation of activated carbon to heat up to 600-900 DEG C, and maintaining for 0-30 min; and closing the microwave device, and cooling to obtain regenerated activated carbon. The best microwave regeneration treatment process is selected through a lot of experiments, high temperature generated by microwave heating enables organic pollutants on the activated carbon to be carbonized and activated, so as to restore the adsorption ability of the activated carbon; because high temperature makes a part of the activated carbon burnt lost and the pore size increased, the adsorption capacity of the activated carbon can be improved. The activated carbon regeneration method provided by the invention has the advantages of short time, low energy consumption, simple equipment structure and strong environmental protection, can achieve the purpose of regeneration without addition of any activating agent, and can overcome various shortcomings of a traditional activated carbon regeneration method.

A regeneration method of a noble metal catalyst. The invention discloses a regeneration method of a low-carbon alkane dehydrogenation catalyst, by which a deactivated noble metal-based low-carbon alkane dehydrogenation catalyst recovers an excellent catalytic performance. The method includes the following steps: (1) under hydrogen atmosphere, treating the deactivated catalyst in a hydrogen donor solvent; and (2) treating the treated deactivated catalyst in the step (1) in a mixed atmosphere containing CO2 and N2O to obtain regenerated catalyst. The regeneration method of the low-carbon alkane dehydrogenation catalyst can allow the dehydrogenation activity of the regenerated catalyst to reach the level of a fresh catalyst. The regeneration method is simple in processes and is easy to carry out.

The invention discloses a preparation method for odorless regenerated rubber. The preparation method is characterized in that tread rubber powder, an environment-friendly activator, a vegetable oil softener and water are added in the chemical desulfuration process; the environment-friendly activator is prepared from the following components in parts by weight: 3-3.5 parts of persulfate and 7-6.5 parts of aliphatic acid; the amount of the environment-friendly activator is 0.18%-0.29% of the mass of the tread rubber powder; the vegetable oil softener is prepared from cottonseed oil, colophony, pine tar oil, rap oil, drainage oil and olive oil; the amount of the cottonseed oil, the colophony, the pine tar oil, the rap oil, the drainage oil and the olive oil is 3.6%-4.6%, 0.6%-1%, 1.3%-1.9%, 1%-1.5%, 0.8%-1.4% and 0.7%-1.3% of the mass of the tread rubber powder respectively; the added quantity of water is 17%-20% of the mass of the tread rubber powder. According to the invention, products obtained through the preparation method are odorless without containing benzene compounds, are high in tensile strength, great in elongation and moderate in mooney point, and can reach the national-level standard of regenerated rubber; the products such as shoe soles produced from rubber prepared through the preparation method have no color migration.

The invention provides a regeneration method for ferric chloride for denitration and belongs to the technical field of air pollution control and environmental protection. The treatment process of the method comprises the steps that ferric chloride solid particles and nitrogen oxide in air flow are subjected to a chemical reaction in a gas-solid reaction tower to generate a solid product, the solid product is guided into a ferric chloride regeneration furnace, in protection atmosphere of inert gas like nitrogen, the solid product is heated after being vacuumized, absorbed nitrogen oxide is released, hydrogen chloride gas is introduced into the ferric chloride furnace further, ferric oxide and ferric oxide chloride in the solid product are converted into ferric chloride, the purpose of regenerating ferric chloride is achieved, nitric acid can be recovered, and the ferric regeneration furnace can be gasification furnace for preparing ferric chloride particles for denitration. The regeneration method has the advantages of being low in investment cost and operation cost, easy to operate, high in treatment efficiency and large in treatment capacity.

The invention discloses a dehumidification system for a power distribution cabinet based on a semiconductor refrigerating sheet. and the hot end, the cold end is connected to the hot end; the heat pipe is arranged on both sides of the cold end and the hot end; the fins are arranged side by side on both sides of the heat pipe; the dehumidification system also includes changing the A fan for air circulation inside and outside the cabinet and a channel for heat and humidity exchange in the cabinet; the cold end and the hot end are used for the conversion of the cold end and the hot end by changing the direct current direction of the semiconductor refrigeration sheet; the invention has simple structure, high efficiency, and low energy consumption. Low power consumption, safe and convenient, easy to control; it can fundamentally solve the problem of condensation in the power distribution cabinet, and achieve the purpose of dehumidification and energy saving.

The invention provides a traditional Chinese medicinal hair loss-preventing and hair-growing agent. The traditional Chinese medicinal hair loss-preventing and hair-growing agent comprises 15-25 partsof Cacumen Platycladi, 1-2 parts of Chinese Soapberry Seed, 2-10 parts of Gleditsia sinensis, 5-18 parts of Radix Polygonum Multiflorum Preparata, 10-20 parts of black beans, 1-2 parts of YerbadetajoHerb, 5-15 parts of mulberry leaves, 1-2 parts of Herba Speranskiae Tuberculatae, 1-3 parts of white mulberry root-bark, 5-8 parts of broadleaf holly leaf, 2 parts of honeysuckle rattans, 1-3 parts ofwolfberry fruits, 1-4 parts of Radix Astragali, 1-2 parts of Salvia miltiorrhiza, 2-5 parts of Ligusticum wallichii, 1-10 parts of black sesames, 1-2 parts of Chinese angelica root, 3-7 parts of dryginger, 1-2 parts of unprocessed rehmannia root, 1-2 parts of prepared rehmannia root, 1 part of Cordyceps sinensis, 1-5 parts of dry Chinese arborvitae branchlet, 2-5 parts of lotus stamen, 2-6 partsof honey-fried licorice root, 1 part of ginseng, 1-5 parts of Syzygium aromaticum, 1-10 parts of Herba Violae, 2-5 parts of Glabrous Greenbrier Rhizome and 2-5 parts of Herba Houttuyniae. The traditional Chinese medicinal hair loss-preventing and hair-growing agent is used for treating hair follicle inflammations and various other head skin inflammations, allows hair to grow fast and new hair tobe difficultly lost, and has the advantages of easily available raw materials, low cost and remarkable treatment effect.

The invention provides a ship exhaust gas denitration system. The ship exhaust gas denitration system comprises an exhaust gas denitration pipeline, an exhaust gas bypass pipeline, a denitration reactor, a heating pipeline and a heating bypass pipeline, wherein the exhaust gas denitration pipeline is connected with an exhausting end of a diesel engine through a first valve; the exhaust gas bypass pipeline is connected with the exhausting end of the diesel engine through a second valve; the denitration reactor is connected into the exhaust gas denitration pipeline; the heating pipeline is connected with an incinerator through a third valve; the heating bypass pipeline is connected with the incinerator through a fourth valve; when the first valve and the third valve are opened and the second valve and the fourth valve are closed, exhaust gas of the incinerator and exhaust gas of the diesel engine are mixed in the exhaust gas denitration pipeline and the temperature of the exhaust gas is adjusted; then the exhaust gas enters the denitration reactor to be denitrated; when the first valve and the third valve are closed and the second valve and the fourth valve are opened, the exhaust gas of the incinerator and the exhaust gas of the diesel engine are exhausted by the heating bypass pipeline and the exhaust gas bypass pipeline respectively. The heating pipeline is connected with the incinerator and the exhaust gas denitration pipeline and heating and temperature regulation are carried out by utilizing temperature difference of the exhaust gas of the incinerator and the exhaust gas of the diesel engine, so that the temperature of the mixed exhaust gas meets reaction requirements of the reactors.

The invention discloses a regeneration method of an organic extracting agent. The method comprises the steps of acid reaction, alkali reaction, inorganic acid reaction and pure water treatment. The method is characterized in that the characteristic that the combining capacity of a part of metal ions poisoning the organic extracting agent with oxalic acid or sodium carbonate or sodium bicarbonate is higher than the combining capacity of the part of metal ions with the organic extracting agent is utilized, the part of metal ions are reversely extracted into aqueous phases, and the purpose of regeneration of the organic extracting agent is achieved. According to the method, metal ions in the organic extracting agent can be effectively removed, the extraction separation capacity of the organic extracting agent is improved, and the method has the characteristics that the technological process is short, the device is simple and the operation is easy and convenient, and is an excellent regeneration method of the organic extracting agent.

The invention relates to the technical field of preparation of environment-friendly materials and particularly relates to a preparation method of a modified synthetic-zeolite heavy-metal-ion absorbingmaterial. The preparation method is characterized in that the modified synthetic-zeolite heavy-metal-ion absorbing material is obtained by adopting synthetic zeolite as a matrix, adopting self-made chitosan as a modifier and adopting peach gum and absolute ethyl alcohol and the like as auxiliary materials; firstly, saccharose, yogurt, magnesium sulfate and potassium dihydrogen phosphate are mixedand dissolved in deionized water and the absolute ethyl alcohol to be stirred, after stirring, inoculating with acetic bacteria strains is carried out, modified zeolite powder, bacteria liquid matrixand self-made mixed juice are mixed and commonly fermented to dissolve impurities in molecular pore channels of the synthetic zeolite, the saccharose is utilized for providing nutritional substancesso as to supply a sufficient carbon source to heavy-metal-ion absorbing microorganisms; the chitosan is extracted from crab shells, so that the benefit for improving the absorbing capacity of the heavy-metal-ion absorbing material is achieved; the surface of the matrix is covered by viscous peach gum continuously, so that the regeneration purpose is achieved, the regeneration cycle period of the heavy-metal-ion absorbing material is prolonged and the use prospect is wide.

The invention provides an air filtering device and belongs to the field of filtering equipment. The air filtering device comprises a filtering main body, a sealing device, an air guide pipe and a filter; the filtering main body is internally provided with a containing cavity; the containing cavity is internally provided with a separation plate; and the separation plate is used for dividing the containing cavity into a cleaning chamber and a filtering chamber located at the lower end of the cleaning chamber. The air filtering device is internally provided with the sealing device so that the sealing device can separate the filter from the cleaning chamber when high-pressure air is blown into the filter through the air guide pipe, and the high-pressure air moves in a direction opposite to a dust-containing air path; dust attached on the filter can be removed from the upper surface of the filter and dust accumulated in an air flow channel can be removed, so that the aim of regeneration of the filter is realized; the problems of an existing dust removing device are effectively solved and the regeneration efficiency of the filter is improved; the life cycle of the filter is prolonged; and compared with other pneumatic dust-removing filters, compressed air can be prevented from overflowing in a reverse blowing process and the use amount of the compressed air is reduced.

The invention discloses a catalytic cracking fuel gas sulfur transfer additive active component belonging to the technical field of flue gas desulfurization in oil refining industry. The preparation method of the catalytic cracking fuel gas sulfur transfer additive active component comprises the following steps of: preparing a cerium-loaded magnesia-alumina houghite precursor by adopting a calcine-recovering method; and then, obtaining the catalytic cracking fuel gas sulfur transfer additive active component by high-temperature calcinations. The catalytic cracking fuel gas sulfur transfer additive active component is applied to reducing the discharge of SOx pollutants of regeneration flue gas in a catalytic cracking process. The prepared catalytic cracking fuel gas sulfur transfer additive active component can be reduced at lower temperature after oxidative adsorption SOx even without introducing transition metal elements of V, Fe, Co, Cr, Cu, and the like, thereby releasing H2S to achieve a regeneration purpose.

Disclosed is a treatment method of an organic extraction agent. The treatment method comprises the following steps of an acid reaction, an alkali reaction, an inorganic acid reaction and pure water treatment. According to the treatment method, the feature that the capacity of combination between part of metal ions causing contamination of the organic extraction agent and oxalic acid or sodium carbonate or sodium bicarbonate is higher than the capacity of combination between the metal ions and the organic extraction agent is utilized to enable the metal ions to be extracted back to the water phase, and the purpose that the organic extraction agent is regenerated is achieved. The treatment method can effectively remove the metal ions in the organic extraction agent, improves the extraction separation capacity of the organic extraction agent, further has the advantages of being short in technological process and simple in equipment and easy and convenient to operate, and is an excellent organic extraction agent regeneration method.

The invention discloses a regeneration method and application of a low-alkane dehydrogenation catalyst. The method includes the following steps that firstly, under the hydrogen atmosphere, a hydrogen-donor solvent is used for processing a deactivated catalyst; secondly, the deactivated catalyst processed in the first step is processed in a mixed atmosphere containing hydrogen and carbon dioxide, and then the regenerated catalyst is obtained. By means of the method, after a noble-metal-based low-alkane dehydrogenation catalyst is regenerated, the dehydrogenation activity of the regenerated catalyst can be restored the level of a fresh catalyst, the regeneration technology is simple, and social and economic benefits are good.

The invention discloses a method for catalytic regeneration of active carbon by a nickel compound. The method includes the steps of (1) dispersing the active carbon to be regenerated and a nickel catalyst into water so as to obtain thick liquid, and performing hydrothermal reaction at 230-280 DEG C and 28-64 atm, wherein the nickel catalyst is an elementary substance and / or oxide of nickel; (2) diluting a hydrothermal reaction solution obtained in the step (1) by acid liquor, and obtaining the regenerated active carbon after ultrasonic treatment, solid-liquid separation and drying treatment. The method is capable of decomposing macromolecules into micromolecular organic matter and even CO2 and water through the fast reaction between the superheated water and the organic matter adsorbed in the waste active carbon under the catalytic action of the nickel elementary substance or nickel compound, and realizing regeneration by cleaning residues in pores of the active carbon ultrasonically.

The invention discloses a regeneration method of low-carbon-loss activated carbon. Activated carbon is pretreated by iron or an iron compound as a catalyst at lower temperature, and the synergic actions of dilution and ultrasonic washing are performed; and thus, the regenerated activated carbon with high adsorptive value is obtained under the conditions of low energy consumption and mild conditions, and the carbon loss can be reduced to a large extent.

The invention discloses a recovery method for aluminum lithium alloy processing chips. The recovery method comprises the steps that 1) pure aluminum chips in preset amount are added into an inductionfurnace containing inert gas to be molten; 2) after melting of the pure aluminum chips is completed and the preset temperature is reached, the aluminum lithium alloy waste chips in preset amount are added to be molten to form an aluminum-lithium alloy melt; 3) the aluminum-lithium alloy melt is refined and is subjected to slag treatment; and 4) the aluminum-lithium alloy melt is subjected to casting mould pouring to form storable waste. Through the above technology method, an aluminum-lithium alloy is added into the pure aluminum liquid molten in the induction furnace, the burning of metal canbe greatly reduced, the poured waste is stored and returns a furnace to be used, and the purpose of regeneration is achieved.

The invention discloses external rubbing spreading medicinal liquor for tinea capitis (tinea alba) and a preparation method thereof. The external rubbing spreading medicinal liquor is prepared from the following main raw materials in parts by weight: 20 parts of loofah sponge, 10 parts of radix saposhnikoviae, 17 parts of fructus gardeniae, 9 parts of platycodon grandiflorum, 10 parts of chinese prickly ash, 65 parts of fresh celosia cristata, 1.8 parts of camphor, 2.1 parts of borneol and 500 parts of brandy. The product disclosed by the invention can effectively improve the microcirculation state of head skin and promote the telangiectasia, promote the blood circulation, activate the activity of hair mother cells and enhance the exchange and penetration capacity of multiple fibers and hair follicles of the head skin by referring to the modern pharmacological research on the basis of summarizing the experiences of predecessors, thereby achieving the purpose of treating the tinea capitis (tinea alba) by enabling the hair follicles to recover functions again and absorb needed nutrients.

The invention discloses a regenerating unit and method of a self-evaporating diesel particle trap with the advantages of fuel and steam premixing and swirling flow combustion. The regenerating device of the diesel particle trap is arranged in the middle of an exhaust pipeline of a diesel powered vehicle. The device comprises a combustor, a fuel supply system, an air supply system, an exhaust pressure monitoring and controlling system and an igniting system which are respectively connected with an electronic control system, wherein the electronic control system comprises a control chip; an exhaust check valve is respectively arranged on the exhaust pipeline and controlled by the electronic control system. The regenerating method of the regenerating unit of the diesel particle trap comprises the following steps of: stopping exhaust; primarily igniting; secondarily heating; and regenerating the diesel particle trap. The fuel steam and pressurized air are premixed and fully combusted, andthe diesel particle trap is uniformly heated through a rotary fire field to rapidly reach the particle combusting temperature to ensure that particles in the diesel particle trap are combusted, so that the purpose of regenerating the diesel particle trap is achieved.

The invention discloses a hair restoring liquid containing a stem cell growth factor and a plant extract and a use method of the hair restoring liquid. The hair restoring liquid comprises a weekly spraying liquid, a night spraying liquid and a daytime spraying liquid, wherein the weekly spraying liquid comprises an equal amount of a biological activation liquid and cell repair factor liquid. The use method comprises the steps as follows: cleaning the scalp, evenly applying the weekly spraying liquid to a corresponding action part, cleaning the scalp the next night after the use of the weekly spraying liquid, and evenly applying the night spraying liquid to the action part; evenly applying the daytime spraying liquid to the action part in the morning of the third day, cleaning the daytime spraying liquid at the same night, then spraying the night spraying liquid and applying evenly, and repeating the steps after cycle use for one week. By adopting the hair restoring liquid, dormant stemcells in a hair loss area are activated by the steps of activating hair follicle cells, repairing epidermal cells and promoting cell division by circulating the use of the weekly spraying liquid, thedaytime spraying liquid and the night spraying liquid, thereby achieving the purpose of hair regeneration.

The invention discloses an automatic deashing device for a diesel particle catcher. The automatic deashing device comprises a first electric control valve (1), a second electric control valve (3), anash collecting box (4), a third electric control valve (5), a fourth electromagnetic valve (8), a first three-way pipeline (9), a second three-way pipeline (10), a third three-way pipeline (11) and afourth three-way pipeline (12). The first three-way pipeline is connected to the first electric control valve, a first flange (2) and the second electric control valve, and the second three-way pipeline is connected to the fourth electromagnetic valve, a second flange (6) and the third electric control valve; and the third three-way pipeline is connected to the fourth electromagnetic valve and thefirst electric control valve, the third end of the third three-way pipeline is the air inlet end, the fourth three-way pipeline is connected to the second electric control valve, the ash connecting box and the third electric control valve, and the third end of the fourth three-way pipeline is the air outlet end. The automatic deashing device disclosed by the invention can eliminate ash accumulated in a DPF carrier and collect the ash in the ash collecting box automatically, the accuracy of regeneration control is guaranteed, the regeneration cost is saved, and the automatic deashing device isconvenient to use.

The invention combines the advantages of cross flow filtration and dead end filtration, an intercepted material is concentrated along the flowing direction of a solution, and is enriched at the top ofa filter; then the principle that a vacuum is created after the concentrated solution is emptied and then a flexible filtering material (cloth bag) is shrunk and pressed flat is combined, and the sludge in the filter is compacted and falls off under the effect of gravity. Therefore, the filter is efficiently self-cleaned.

A rubber microwave regeneration linkage device comprises a feeder, a cooling device and a rubber regenerator, wherein the feeder comprises a back taper inlet, a feeding screw, a screw chain wheel and a feeding screw drive motor, the feeding screw drive motor rotates the feeding screw via the screw chain wheel to feed the rubber at the inlet to the inlet of a quartz tube, the rubber regenerator comprises a magnetic control tube, a microwave area, a quartz tube drive motor, a shield and a transformer for powering the magnetic control tube, the shield is a metal rectangle structure with an internal microwave area, the microwave area is arranged with a hollow quartz tube, the quartz tube is rotated with a quartz tube chain wheel, driven by a quartz tube drive motor, the outlet of the shield is provided with an outlet, the cooling device comprises a cooling water inlet, a cooling channel and a cooling water outlet. The invention has low cost, quick result, small volume, simple installment, safe operation, high quality of regenerated rubber and high stability.

The invention relates to carbide slag slurry filtering process and a self-cleaning filter. The filter consists of a plurality of filter units which are connected in parallel and have same structures, all the units share one inlet header pipe (2) and one outlet header pipe (1), differential pressure gauge interfaces (4-1) and (4-2) are arranged between the inlet header pipe (2) and the outlet header pipe (1), a filter cylinder (5) is taken as a main body of each filter unit, a filter element component (6) is arranged in the filter cylinder, an outlet pipe (1-1) is arranged at the upper part ofthe filter cylinder, the lower part of the filter cylinder is connected with an inlet pipe (2-2) and a drain pipe (3) by a tee joint (2-3) respectively, and valves (2-1) and (3-1) are respectively installed on the inlet pipe and the drain pipe. The self-cleaning filter is characterized in that the upper part of the filter element component (6) is connected with a tube plate (6-3) by an auxiliary pipe (6-1); and the auxiliary pipe is downwardly connected with a filter element (6-2), and the pore interval of a filter screen of the filter element is 100mum-800mum. In the invention, the filter screen (100mum-800mum) with macropores is adopted, and the design of filtering and running pressure difference regulation (5KPa-300KPa) is combined, so that the content of small particles (60mum) in thecarbide slag slurry is controlled, and the double index requirements on carbide slag granularity and solid content can be controlled accurately.

The invention relates to a regeneration method of aluminum chloride for denitration and belongs to the technical field of air pollution control and environmental protection. The treatment process of the method is as follows: aluminum chloride solid particles and nitric oxides in airflow have a chemical reaction in a gas-solid reaction tower to produce a solid product to be introduced into an aluminum chloride regeneration furnace, heating is performed in the shielding atmosphere of inert gases such as nitrogen and the like or after vacuum pumping, absorbed nitric oxides are released, hydrogen chloride gas is further introduced into the aluminum chloride regeneration furnace, basic aluminum chloride and aluminum hydroxide in the solid product are converted into aluminum chloride, so that the aluminum chloride is regenerated, nitric acid can be recovered, and the aluminum chloride regeneration furnace can also be used as a gasification furnace for preparing aluminum chloride solid particles for denitration. The regeneration method has the characteristics of low investment cost and running cost, simplicity in operation, high treatment efficiency and high treatment capacity.

The invention discloses a DPF initiative regenerating system and a regenerating method, and belongs to the technical field of engine tail gas treatment. The regenerating system comprises a control unit, an LNT device and a DPF device, wherein the LNT device and the DPF device are connected in sequence, and an exhaust pipe of a diesel engine is sequentially connected with the LNT device and the DPFdevice so that the tail gas of the diesel engine can be purified. The regenerating method is carried out in a way that the control unit controls an engine oil sprayer to perform far-back spraying ornot according to temperature of the LNT device and the exhaust back pressure of the DPF device; the control unit controls the engine oil sprayer to perform far-back spraying when the exhaust back pressure of the DPF device and the temperature of the LNT device reach set values, and mixed gas formed by the far-back spraying is quickly discharged into the exhaust pipe; noble metal catalysts in the LNT device is used for oxidizing CO and hydrocarbon compounds at a certain temperature to generate a large amount of heat; and when the high-temperature tail gas passes through the DPF device, particulate matter trapped by the DPF device are combusted so that the purpose of regenerating the DPF device can be achieved.

The invention provides a regeneration method of active carbon. The regeneration method comprises the following steps that collection and arrangement are carried out on used active carbon; water is introduced into a water-molecule heat-energy generation device to obtain high-temperature gaseous water-molecule heat energy with the high enthalpy value; the outputted gaseous water-molecule heat energyis directly introduced into the collected and arranged active carbon, the high-temperature gaseous water-molecule heat energy can react with organic-matter impurities in the active carbon, and then the organic-matter impurities can be decomposed by heat to form steam, carbon dioxide, carbon black and other foreign gases, so that the active carbon is regenerated. The regeneration method provided by the invention has the advantages that the impurities in the active carbon can be effectively cleared by the formed high-temperature gaseous water-molecule heat energy under normal pressure so as toachieve the purpose of active-carbon regeneration; the principle is reliable, the process is simple and the carbon loss is less. The invention also provides a device for realizing the regeneration method of the active carbon. The device has the advantages of simple whole structure, convenience in use, more miniaturization, lower cost and wide application range.