59results about How to "Guaranteed regeneration effect" patented technology

The invention relates to a method for flexibly adjusting catalytic cracking reaction-regeneration system heat balance. A conventional regenerated catalyst heat remover which is arranged beside a regenerator and a regenerated catalyst cooler which is arranged on a regenerated catalyst conveying pipe are coupled and linked so that the catalyst bed temperature in the regenerator is controlled in oneaspect to solve the problem of catalyst inactivation because of overhigh temperature caused by great scorching amount in a traditional heavy oil catalytic cracking device and too much heat in the regenerator, and the carried heat and the temperature of the regenerated catalyst entering a lifting pipe reactor are adjusted in the other aspect to adjust ratios of different catalyst and oil needed for raw materials with different properties in cracking reactions. The invention takes heat and adjusts the temperatures of high-temperature regenerated catalysts in different positions in a traditionalheavy oil catalytic cracking device and flexibly adjusts the reaction-regeneration system heat balance so as to optimize heavy oil catalytic cracking process conditions and remarkably improve the yield of light oil and liquid.

The invention discloses a denitration catalyst regeneration solution and a preparation method thereof as well as a catalyst regeneration method. The denitration catalyst regeneration solution comprises the following raw material ingredients in parts by weight: 4-6 parts of vanadyl oxalate, 0.08-0.10 part of cerium nitrate, 0.11-0.13 part of lanthanum nitrate, 0.05-0.07 part of copper nitrate, 0.4-0.6 part of silica sol ST-O and 95 parts of deionized water. The catalyst regeneration method comprises the following steps of firstly, evenly mixing vanadyl oxalate and the deionized water; then, feeding cerium nitrate, lanthanum nitrate and copper nitrate into mixed solution, and fully stirring until the mixture is completely dissolved; finally, feeding silica sol ST-O, and continuing to stir until homogeneous phase is obtained; and sequentially carrying out strong scavenging and ultrasonic cleaning on an inactivated denitration catalyst module, soaking the module in cleaning solution for 18-25 minutes, continuing soaking the module in the regeneration solution for 25-40 minutes, taking out the denitration catalyst module and drying. After the denitration catalyst regeneration solution and the catalyst regeneration method are adopted, the activity of the inactivated denitration catalyst can be efficiently recovered, and the temperature range of the catalyst activity is widened.

The invention provides a hot mix asphalt recycling agent as well as a preparation method and application thereof. The hot mix asphalt recycling agent comprises the following components in weight ratio: 65.0-85.0 parts of heavy oil, 10.0-30.0 parts of polymers, 1.0-1.5 parts of penetrant, 1.0-2.0 parts of anti-aging agent and 1.5-3.0 parts of anti-rut agent. The hot mix asphalt recycling agent contains the heavy oil with relatively high aroma component content, so that the compatibility between the hot mix asphalt recycling agent and waste and aged asphalt can be enhanced, and furthermore, the recycling effect of the hot mix asphalt recycling agent is ensured; due to the addition of the penetrant of the hot mix asphalt recycling agent, the mixing speed of the hot mix asphalt recycling agent and the aged asphalt is increased, the hot mix asphalt recycling agent and the aged asphalt can be sufficiently mixed within a short time, and the comprehensive recovery of the performance of the aged asphalt is promoted.

The invention discloses a process method and a device for regenerating circular wash oil during rich oil debenzolization of gas purification, which belong to the technical field of the gas purification. According to the process, regenerated wash oil is heated to be partially vaporized and enters the bottom of a distillation section of a debenzolization tower together with superheated steam, so that unvaporized residues are separated in a regeneration section of the debenzolization tower. The process is characterized in that: the regenerated wash oil discharged from the bottom of the regeneration section of the debenzolization tower is partially vaporized and regenerated in a heat exchange tube which is filled with water vapor in a heat exchanger outside a regenerator by using the heat of a crude benzene distillation tube furnace, wherein the partial vaporization of the regenerated wash oil usually can be performed in a convection section of the crude benzene distillation tube furnace.By the process, the temperature of the superheated steam of the tube furnace can be effectively reduced, the steam quantity, wash oil consumption and wastewater treatment volume can be reduced, and conditions that the residues are difficult to discharge, the regenerator cokes, and the like can be prevented. The process has the characteristics of small investment, a small amount of occupied land, energy saving, environmental friendliness, low operation cost and the like.

The invention relates to the technical field of power station water supply, and concretely relates to a power station boiler make-up water system mixed bed regeneration method. The mixed bed regeneration method comprises the following steps: 1)backwashing and layering; 2)standing; 3)pre-injecting soda acid; 4) feeding acid or alkali; 5) replacing cathode and anode; 6)performing front washing on anion resin, 7)washing in series; 8) discharging water; 9)mixing resins; 10)rapidly settling; 11)filling with water; and 12)performing front washing, opening a front washing intake gate, a front exhaust gate and a self-use salt removal pump. The mixed bed regenerating method has the beneficial effects that the step of water discharging is cancelled; the step of water discharging is changed to regeneration with a full filling method, after steps of feeding acid or alkali and replacing cathode and anode, the step of performing front washing on anion resin is added for ensuring the regeneration effect; the step of rapidly settling is added after the step of mixing resins, so that re-separation of the mixing resins can be avoided. The method employs new regeneration process, once mixing bed enables successful regeneration, and automatic regeneration can be realized.

The invention relates to a decolouring silica gel regenerator and a regeneration method. The silica gel regenerator comprises a vertical heater body for filling silica gel. The upper portion of the heater body is provided with a hot air device for providing hot air. The lower portion of the heater body is equipped with an air-discharge mechanism. Thermal current which is provided by the hot air device and is in the core space of the heater body is discharged out of the heater body through the air-discharge mechanism from top to bottom. The silica gel regeneration method contains the following steps of: filling silica gel into the heater body; heating silica gel by the use of firewood as fuel until thermal current flows from the top of silica gel to the bottom and is discharged out of the bottom of the heater body; stopping heating after the thermal current at the bottom of the heater body contains no steam or oil, cooling, and discharging to obtain the product. The invention can guarantee regeneration and activation effects of silica gel and solves technical problems unsolved by technical personnel in the field for a long time. According to the invention, present silica gel and products of the same kind can be activated and regenerated, and use cost of products is greatly reduced.

The present invention relates to an air filter cartridge (10) for processing compressed-air for a compressed-air processing installation (12), in particular a compressed-air processing installation (12) of a commercial vehicle (14), comprising a drying agent container (16) filled with a drying agent (18) and a coalescence filter (20), wherein a flow passes through the drying agent (18) in an axial extension direction (22) of the drying agent container (16) during the compressed air preparation. According to the invention, the coalescence filter (20) is arranged in the axial extension direction (22) upstream of the drying agent (18) in an inflow surface (24) of the drying agent container (16).

An organic waste gas recovery processing device comprises a filter, a cooler, a vacuum pump, an adsorption valve, a desorption valve, an adsorption/desorption tank, an exhaust fan and a PLC control system. A solvent exhaust gas is collected and sent into a wind collecting box of a recovery system, preprocessed by a filter and a cooler, sucked by a high-pressure centrifugal fan, and sent into the adsorption/desorption tank for adsorption, and after adsorption, a tail gas achieving emission requirements is exhausted into the atmosphere through a discharge outlet at the top of the adsorption/desorption tank by the exhaust fan; when the top of the adsorption/desorption tank is to be penetrated after a period of absorption, the system automatically starts the vacuum pump to perform suction anddesorption and enables activated carbon to be regenerated, and adsorption and desorption are automatically finished by the PLC control system which controls the adsorption valve and the desorption valve; then the high-concentration solvent exhaust gas is pumped out by the vacuum pump, passes through a three-stage condensing unit to be processed, and then is molten into a liquid to be recovered bya solvent storage tank. The device can improve the processing effect of the organic waste gas recovery processing device, and reduce the running cost.

The invention discloses a process for cleaning and regenerating a denitration catalyst. (1) The cleaning solution comprises the following raw material components: dilute acid, an iron salt, a manganese salt, a cerium salt, a lanthanum salt and an emulsifier S-185; (2) the regenerating solution comprises the following raw material components: vanadyl oxalate, ammonium metatungstate, ammonium molybdate, silica sol ST-O and deionized water; and (3) the cleaning and regenerating process comprises the following steps: uniformly stirring the vanadyl oxalate and deionized water, adding the ammonium metatungstate and ammonium molybdate, fully stirring until the materials are completely dissolved, and finally adding the silica sol ST-O, and further stirring until a homogeneous phase is obtained; sequentially performing strong purging on a deactivated denitration catalyst module, soaking in the cleaning solution for 10-25 minutes, soaking the catalyst in the regenerating solution for 20-40 minutes, taking out the catalyst, and roasting. According to the cleaning solution and regenerating solution of the denitration catalyst and the catalyst regeneration method, the activity of the deactivated denitration catalyst can be efficiently restored, and the temperature range of the catalyst activity is widened.

The invention relates to a processing method and a system of rinsing waster water in a printed circuit board. The method carries out the solid-liquid separation of the rinsing waste water, filters the waste water to control the particles in the waste water not to be larger than 30 micron and then filters the waste water to set discharge standard through a SiC porous ceramic filter leaf. The system comprises a solid-liquid separating device, a preliminary filtering unit and a depth-type filtering unit. The preliminary filtering unit uses a filtering net or a high molecular film to be a filtering element; the depth-type filtering unit comprises a multilevel filtering unit that uses the SiC porous ceramic filter leaf as the filtering element. The set level of the filtering unit causes drained water after filtering to meet the set standard. The invention adopts the physical filter and adsorption instead of the chemical reaction, thus having remarkable absorption and filter effect of heavy metal ions without introducing other substances. With low cost, little energy consumption, simple operation, small occupied area and wide application scppe, the invention has the good application outlook and the remarkable social benefits.

The invention provides a back flushing device for a fluidized granulator filter. The back flushing device comprises a compressed air control valve connected with a compressed air generating device, a compressed air pipeline, a rotating indexing motor and a sealing device, wherein the compressed air control valve is connected with a compressed air pipeline; the compressed air pipeline is controlled to rotate by the rotating indexing motor; the sealing device is driven to rotate by the compressed air pipeline; the sealing device is used for blocking the cavity of the filter. A back flushing method comprises the following steps of: (i) locating the sealing device; (ii) filling the compressed air; (iii) releasing the compressed air; and (iv) completing the back flushing of the filter. The rotating indexing motor of the back flushing device provided by the invention is used for driving the compressed air pipeline to rotate; the sealing device is driven to rotate by the compressed air pipeline; a plurality of sealing devices can be arranged, so that the purpose of simultaneously back flushing a plurality of filter cavities can be achieved; the discontinuous circulating back flushing process can be performed, so that the de-dusting effect is achieved.

The invention relates to the technical field of air conditioning, in particular to a dehumidification device and an air conditioner system. The dehumidification device and the air conditioner system aim to solve the problems that in the prior art, rotating wheel dehumidification is poor in regeneration effect, and solution dehumidification causes system complexity are solved. The dehumidificationdevice comprises a dehumidification box and a reduction assembly, wherein a solid adsorption assembly is fixedly arranged in the dehumidification box, the reduction assembly comprises a reduction coilpipe, part of the reduction coil pipe is coiled on the solid adsorption assembly, and a heat exchange medium is allowed to flow through the reduction coil pipe. According to the dehumidification device and the air conditioner system, on the premise of ensuring the regeneration effect of a solid adsorbent, the device structure is simplified, and the system complexity is reduced.

The invention relates to an opening type capacitor deionization and desalting device. The opening type capacitor deionization and desalting device comprises a container body, wherein the container body is internally provided with a plurality of electrodes in parallel; a water inlet (121) is arranged at one end of the container body and a water outlet (122) is arranged at the other end of the container body; the position of the water inlet (121) is lower than the lowest ends of all the electrodes; the position of the water outlet (122) is higher than the topmost ends of all the electrodes; sewage to be treated enters from the water inlet (121) and penetrates through gaps among the plurality of electrodes, and anions and cations are adsorbed through the plurality of electrodes; finally, thesewage leaves away from the container body through the water outlet (122); finally, the opening type capacitor deionization and desalting device further comprises a cover plate (11); the cover plate (11) covers the container body; the cover plate (11) is provided with an air vent (111). The opening type capacitor deionization and desalting device provided by the invention does not need to be sealed and the requirements on voltage withstanding strength of the device are also greatly reduced, so that a lot of materials and processing cost are reduced and the assembling is more convenient and rapid.

Provided are a regeneration filter element and a novel hole-layout filter element inner barrel for electric oil. Guide grooves are uniformly and axially arranged on the outer surface of the filter element inner barrel, and filter holes are uniformly arranged in the middle of one third of the length of the filter element inner barrel. The regeneration filter element for the electric oil comprises the novel hole-layout filter element inner barrel for the electric oil, a filter element outer barrel arranged outside the filter element inner barrel, adsorbent stuffed in a cavity between the filter element inner barrel and the filter element outer barrel, and a filter material layer between the adsorbent and the filter element inner barrel. By the aid of the regeneration filter element and the novel hole-layout filter element inner barrel for the electric oil, the problems of adsorbent leakage and oil flow interruption due to poor gluing of an upper end and a lower end of the filter element inner barrel are solved.

The invention relates to the technical field of household water purification, and particularly discloses a household water purification device which comprises a single-flow-channel desalination assembly which comprises a first water inlet and a first water outlet; a pipeline system which comprises a first pipeline, a second pipeline, a third pipeline, a first valve assembly, a second valve assembly, a third valve assembly, a fourth valve assembly and a salt storage assembly; wherein when regeneration influence factors of the single-flow-channel desalination assembly meet first preset conditions, water conveyed by the first pipeline is guided into the single-flow-channel desalination assembly for regeneration through the first valve assembly, the second valve assembly, the third valve assembly and the first water outlet, and when the regeneration influence factors of the single-flow-channel desalination assembly meet second preset conditions, saline water is obtained after the water passes through the first valve assembly and the salt storage assembly; the saline water is guided into the single-flow-channel desalination assembly through the second valve assembly, the third valve assembly and the first water outlet for deep regeneration. The regeneration effect of the desalination assembly can be improved.