116results about How to "Improve regeneration efficiency" patented technology

The embodiment of the invention provides an air supply system and an air supply method of an air suspension. The air supply system of the air suspension comprises an air storage tank, a plurality of air springs, an air supply valve body unit, a dryer, a heating element, an electronic control unit and a humidity sensor. The air storage tank is used for storing compressed air; the air spring is used for inputting high-pressure gas to each wheel of the vehicle; the air supply valve body unit comprises a reversing valve; the reversing valve is arranged on an air channel, so that the air supply system is driven to be switched between the air suction mode and the reverse blowing mode through reversing of the reversing valve; the cavity of the dryer is communicated with the air supply valve body unit through an air channel; the heating element is arranged in a cavity of the dryer, the humidity sensor is arranged on the air channel, and the humidity sensor corresponds to the electronic control unit in a signal mode. Therefore, the air supply system of the air suspension has the advantage that the regeneration efficiency of the dryer is improved.

The invention discloses a CO2 trapping absorbent which comprises 20%-50% of proton type ionic liquid, 20%-50% of a phase conversion driving agent and 20%-40% of water, and the phase inversion driving agent is one or a mixture of more of N, N-dimethyl formamide, N-methyl pyrrolidone, pentamethyldiethylenetriamine, tetramethylethylenediamine, tetramethylethylenediamine, tetramethylenediamine, tetramethylethylenediamine and dimethyl piperazine, and the phase inversion driving agent is one or a mixture of more of N, N-dimethyl formamide, N-methyl pyrrolidone, pentamethyldiethylenetriamine, tetramethylethylenediamine, tetramethylethylenediamine and dimethyl piperazine. The absorbent disclosed by the invention has the outstanding advantages of low viscosity, high absorption rate, high regeneration efficiency, high circulation capacity and low regeneration energy consumption, and has a good application prospect.

The invention provides a carbon dioxide capture and absorbent purification system and method coupled with metal refining. The system comprises an absorption module with an absorbent, a regeneration module with an electrolytic absorption unit and a gas-liquid separation unit, and a purification module, the absorption module is communicated with flue gas; the regeneration module and the purification module are selectively communicated with the absorption module so as to selectively regenerate and purify the absorbent; the electrolytic suction unit comprises a first anode chamber provided with a crude copper anode and a first cathode chamber provided with a refined copper cathode; a first outlet of the absorption module is communicated with an inlet of the first anode chamber, and a second outlet of the absorption module is communicated with a purified gas pipeline; an inlet of the gas-liquid separation unit is communicated with the first anode chamber, a first outlet of the gas-liquid separation unit is communicated with the first cathode chamber, and a second outlet of the gas-liquid separation unit is communicated with an exhaust pipeline; and the outlet of the first cathode chamber is communicated with the second inlet of the absorption module. The system is high in energy efficiency, low in energy consumption, low in cost and high in trapping efficiency.

The invention discloses a biological functional scaffold system driven by dual-mode printing, relates to the technical field of biomedicine, and is used for providing more accurate control on the aspects of porosity, cell attachment and surface modification. By integrating two advanced manufacturing technologies of 3D printing and aerosol spraying, the porosity and surface characteristics of the stent can be accurately controlled in the same printing process, and the cell attachment and proliferation environment is optimized. The cooperative working mechanism greatly improves the biocompatibility and mechanical strength of the biological scaffold, and further effectively promotes the tissue regeneration and repair efficiency. The whole manufacturing process is more efficient and accurate due to introduction of the control unit. The control unit automatically adjusts the printing speed and the spraying pressure based on real-time monitoring feedback, the uniformity and stability of the support are ensured, the error rate in the production process is reduced, and therefore the consistency and reliability of products are improved.

The invention provides an efficient desulfurizer, which is used for removing H2S and / or organic sulfur in gas, and comprises an organic solvent and organic alcohol amine, optionally, the efficient desulfurizing agent further comprises at least one of an antioxidant, a corrosion inhibitor and a defoaming agent. The invention also provides desulfurization equipment and a method for removing H2S or organic sulfur in sulfur-containing process gas or sulfur-containing waste gas. The high-efficiency desulfurizing agent provided by the invention overcomes the defects of low sulfur load, high regeneration energy consumption, easiness in degradation, incapability of removing organic sulfur and the like of the traditional desulfurizing agent. The method is suitable for desulfurization and purification treatment of sulfur-containing gases such as high-acidity natural gas, refinery dry gas, liquefied gas and sulfur recovery tail gas.

This invention belongs to the field of hydrogen purification technology, specifically an adsorption and filtration device for hydrogen purification, including a device base; a first purification box is fixedly connected to the top of the device base; an air inlet pipe is fixedly connected to the outside of the first purification box; by pulling out two push-pull boxes from the first and second purification boxes respectively, and then pulling out two sliding plates from the push-pull boxes, the used solid adsorbent can be quickly discharged. Subsequently, the bottom of multiple storage cylinders is sealed with the filter screen plate below, and new solid adsorbent is added into the multiple storage cylinders. With the filter screen plate above sealing the top of the multiple storage cylinders, the two push-pull boxes are pushed back into the first and second purification boxes, which can quickly replace the solid adsorbent, thereby reducing the losses caused by device downtime. By pressurizing the detection chamber of the sealing rubber, the sealing status at the push-pull box is determined by checking the pressure change in the detection chamber.

The invention provides an electrochemical carbon dioxide trapping system and method coupled with metal refining. According to the system, carbon dioxide is absorbed in an absorption unit through an absorbent; a crude copper metal plate in coordination combination with ammonia is adopted as an electrode of an anode chamber, absorption liquid is desorbed under the action of a crude copper anode, elements, more active than metal copper, in the crude copper anode in the anode chamber are dissolved in the absorption liquid, and copper ions can be released into the carbon dioxide loaded absorption liquid in an electrochemical dissolution mode; carbon dioxide is desorbed in a mode of coordination combination with ammonia, and a gas mixture containing the copper / ammonia coordination compound and carbon dioxide is obtained; separating the gas-liquid mixture through a gas-liquid separation unit to obtain carbon dioxide gas and a separation liquid; the separation liquid is subjected to electrodeposition under the action of a refined copper cathode in a cathode chamber, refined copper and an absorbent are obtained, and regeneration of the absorbent is achieved; finally, the absorbent enters the absorption unit again to provide the absorbent, and cyclic utilization of the absorbent is achieved.

The invention belongs to the technical field of environmental protection, and particularly relates to a preparation method and application of diamine porous ionic liquid. The preparation method comprises the following steps: firstly, carrying out in-situ synthesis on an MEA-loaded zeolite imidazole framework MEA (at) ZIF-8 through a hydrothermal method; then synthesizing amine functionalized imidazole ionic liquid [Amim] [NTf2] which takes trifluoromethanesulfonyl imide as an anion through an ion exchange method; finally, on the basis of the principle of similar dissolvability, the [Amim] [NTf2] and the MEA (at) ZIF-8 are combined through a solvent dispersing and mixing method, and the diamine porous ionic liquid MEA (at) ZIF-8-Amim-PIL is prepared. The diamine porous ionic liquid prepared by the method retains excellent carbon capture performance of the ionic liquid and ZIF-8, realizes a synergistic effect of low-pressure CO2 high-density distribution of liquid pore channels and an efficient electrostatic effect of diamine groups, can be used for low-pressure flue gas carbon capture, and is high in regeneration efficiency, low in energy consumption and beneficial to environmental protection.

The invention discloses a low-emission and low-oil-consumption control method for a national seven diesel engine, which relates to an engine control technology and comprises the following steps: acquiring the running state and the post-processing regeneration state of a vehicle, and determining the running mode of a 48V system of the vehicle according to the running state and the post-processing regeneration state; the operation modes comprise a charging mode, a power assisting mode, a reheating mode and a light heating mode; when it is detected that the vehicle is in a DPF running regeneration state and the SOC of the power battery is larger than or equal to the minimum threshold a1, a 48V system of the vehicle enters a reheating mode; and when the SOC of the power battery is larger than or equal to the minimum threshold a1 and the temperature T6 at the outlet of the DPF is smaller than a set first temperature threshold, the 48V system of the vehicle enters a light heating mode. The invention further discloses a control device of the national seventh diesel engine with low emission and low oil consumption. According to the invention, the dynamic property of the vehicle is improved, the energy consumption is reduced, the problem of low SCR conversion efficiency under a low-temperature environment and a small-load working condition is solved, and ultralow NOx emission is realized.

The invention relates to a tail gas treatment device for an industrial boiler, which is applied to the technical field of tail gas treatment devices and adopts a honeycomb ceramic-based hexagonal prism catalyst tube to improve the mass transfer efficiency; the composite anode plate integrates ICCP cathode protection and plasma electrochemical regeneration functions, inhibits catalyst corrosion and performs in-situ activation; the composite anode plate adopts a titanium-based porous framework, and a special material is arranged in the composite anode plate to generate micro-discharge plasma; the cathode collector plate adopts a stainless steel screen plate and a conductive carbon coating, so that the corrosion resistance is improved; the potential reference hole adopts a multi-stage branch structure, so that multi-point in-situ detection is realized; the regeneration liquid circulation system uses a sulfuric acid solution to dissolve and remove surface sediments; the intelligent control system integrates multiple functions, realizes full-life-cycle management of the catalyst, improves the denitration and desulfurization effects, prolongs the service life of the catalyst, and realizes intelligent and accurate control of the regeneration process.

The invention relates to the technical field of grassland ecological restoration, in particular to a root cutting device for a degraded leymus chinensis grassland and a restoration method. A suspension frame is arranged on a rack of the root cutting device, and the rack is constructed to walk on a sheep grass land along with movement of traction equipment. A punching assembly, a root cutting assembly and a fertilizing assembly are sequentially arranged on the rack in the walking direction. The punching assembly is configured to rotate along with walking of the rack and punch holes in the sheep grass land along the walking path of the rack, so that a plurality of punching belts are formed in the sheep grass land. The root cutting assembly is configured to rotationally cut in downwards from the surface of the leymus chinensis grassland through power transmission, loosen a soil hardening layer between the adjacent punching belts, cut off leymus chinensis roots in soil and construct a root cutting area between the punching belts along the walking path of the rack. The fertilizing assembly is used for fertilizing the root cutting area. According to the root cutting device for the degraded leymus chinensis grassland, the regeneration efficiency of leymus chinensis roots and the restoration quality of the grassland are improved.

The invention discloses a low-temperature regeneration method of a diesel oil adsorbent. The method comprises the following steps: S1, purging a diesel oil raw material in a bed at a low temperature by adopting nitrogen; s2, carrying out low-temperature solvent washing regeneration on the inactivated diesel oil adsorbent in the bed layer by adopting a liquid-phase composite solvent; s3, carrying out low-temperature purging on the bed layer by adopting nitrogen, and removing the liquid-phase composite solvent in gaps of the bed layer; s4, carrying out high-temperature purging on the bed layer by adopting nitrogen, and removing the liquid-phase composite solvent in the inactivated diesel oil adsorbent; and S5, carrying out low-temperature purging on the bed layer by adopting nitrogen, reducing the temperature of the bed layer to an adsorption temperature, and completing the steps of adsorbent regeneration and the like. The process flow is simple, the adsorption performance reduction amplitude after regeneration is low, and the regeneration stability is high.

The invention belongs to the technical field of waste battery recycling, and discloses an anti-creeping waste battery recycling device which comprises a vibration mechanism, the vibration mechanism comprises a motor, a rotating wheel is rotationally connected to the motor, and an eccentric wheel is fixedly connected to the side, away from the motor, of the rotating wheel; through cooperation of an eccentric wheel, a screening frame and other structures, disassembly of a main body shell is facilitated, a motor is started to vibrate a placement frame on the screening frame through transmission, the internal structure of a battery is loosened through the frequency and amplitude of vibration, and meanwhile, in the process that the placement frame drives a storage battery main body to move upwards, the storage battery main body is separated from the storage battery main body. The disassembling groove in the storage battery main body collides with the disassembling hammer, disassembling of a shell and an internal structure of the storage battery main body can be accelerated, useful components can be separated from the storage battery main body more easily through vibration and impact, follow-up screening and processing time is shortened, and follow-up regeneration of the useful components of the waste storage battery main body is facilitated.

The invention discloses an optimization method of a pea tissue culture regeneration system. The optimization method comprises the following steps: step 1, preparing pea aseptic seedlings; step 2, preparing an explant; step 3, inducing cluster buds; 4, carrying out bud elongation culture; step 5, rooting culture; and 6, domesticating and transplanting regenerated seedlings. By systematically optimizing the tissue culture conditions of the peas, an efficient regeneration system is established and is suitable for multiple pea varieties, and the problem of low regeneration efficiency in the prior art is solved. By means of the optimization method, researchers can obtain high-efficiency regenerated pea plants in a short time, the success rate and rooting efficiency of tissue culture regeneration are improved, meanwhile, the survival rate of regenerated seedlings is increased, and an important technical guarantee is provided for molecular breeding and gene modification of peas and other leguminous crops.

The invention relates to a parking regeneration control method and system for a range extender DPF of a diesel engine, and belongs to the technical field of automobile engines. According to the technical scheme, the parking regeneration control method for the diesel engine range extender DPF comprises the steps that S1, whether the parking regeneration condition is met or not is judged; s2, the exhaust temperature of the engine is increased, and the DOC upstream temperature reaches the set temperature value; s3, after-injection is started, the exhaust temperature of the engine is further increased, carbon deposit in the DPF is combusted, and a vehicle power battery is charged in the operation process; and S4, when the carbon loading amount of the DPF is lower than the set carbon loading amount, the engine is shut down after the temperature is reduced. According to the method, the engine utilizes the generator to provide loads, exhaust temperature increase is accelerated, DPF regeneration is promoted, meanwhile, energy generated by engine operation during DPF regeneration is recycled, the aftertreatment temperature is kept to meet the regeneration requirement, parking regeneration time is shortened, noise, loss and oil consumption are reduced, the system energy efficiency is improved, and the negative influence of parking regeneration is reduced.

The invention discloses a rotary drum filtering system which comprises a rotary drum, filter cloth coated on the peripheral wall of the rotary drum and a discharging scraper attached to the surface of the filter cloth, and further comprises a flushing structure with at least one water outlet, a water outlet of the flushing structure is formed below the unloading scraper and faces the surface of the filter cloth; the filter cloth after the filter cake is scraped off by the unloading scraper is flushed by the flushing structure, so that the continuity and the stability of the production process can be ensured on the basis of improving the cleanliness of fiber pores of the filter cloth, the filter cloth cleaning time can be saved, and the filter cloth regeneration efficiency can be improved.

The invention belongs to the technical field of gas purification and separation, and particularly relates to a water-phase mixed amine absorbent and application thereof. Polyamine without tertiary amine N atoms is used as an absorption main agent, tertiary amine containing one N atom is used as a desorption main agent, polyamine containing one tertiary amine N atom is used as an activating agent, the desorption main agent is easy to regenerate, and the alkaline characteristic of the desorption main agent can strengthen the proton transfer process, so that the proton transfer efficiency is improved. Therefore, the mixed amine has the characteristics of high regeneration rate, high regeneration efficiency and low regeneration energy consumption; the absorption main agent contains a plurality of amino groups, so that the mixed amine has the characteristics of high absorption rate and high absorption capacity; meanwhile, the activating agent can activate the mixed amine absorbent, so that the mixed amine absorbent has efficient absorption performance and desorption performance at the same time.

The invention discloses an indoor humidity keeping dehumidifier based on biological medicine research and development, and particularly relates to the technical field of dehumidifiers, the indoor humidity keeping dehumidifier comprises a shell, a mounting seat, a bracket, a rotating wheel, a dehumidification bin and a sieve plate; and the driving unit is arranged in the dehumidification bin, and the driving unit is used for driving the two sieve plates in the dehumidification bin to move relatively when the rotating wheel rotates to a fixed position. By arranging the two sieve plates to slide in the dehumidification bin, the volume of the storage space can be adjusted, and due to the fact that the storage volume of the active silica gel particles in the storage space is fixed, after the volume of the storage space is increased, the active silica gel particles in the storage space are in a loose state, namely, the gaps between the active silica gel particles are increased, and the active silica gel particles in the storage space are separated from each other. In this way, when the external regeneration heater conducts regeneration heating on the active silica gel particles, hot air can smoothly enter the active silica gel particles, air circulation is improved, and then the regeneration efficiency of the active silica gel particles can be improved.

The invention discloses a regeneration method and application of an iron-based catalyst. The regeneration method of the iron-based catalyst comprises the following steps: S1, contacting an inactivated iron-based catalyst with a regeneration solution for pretreatment to obtain an intermediate product; the regeneration solution comprises N-methyl pyrrolidone, and the concentration of the N-methyl pyrrolidone is greater than or equal to 3%; s2, roasting the intermediate product to obtain a regenerated iron-based catalyst; the roasting temperature ranges from 250 DEG C to 300 DEG C. The regeneration method of the iron-based catalyst provided by the invention is high in regeneration efficiency, and the prepared regenerated catalyst is good in catalytic performance.

The present invention discloses a regeneration control method, device, hybrid vehicle and medium for a hybrid vehicle. The regeneration control method for a hybrid vehicle includes: when the vehicle enters a driving regeneration control mode, obtaining the real-time engine speed and the real-time engine torque; obtaining a regeneration torque correction value according to the real-time engine speed and the real-time engine torque; obtaining the real-time engine exhaust temperature; obtaining an exhaust temperature correction coefficient according to the real-time engine exhaust temperature; obtaining the engine torque under the regeneration control mode according to the real-time engine torque, the regeneration torque correction value and the exhaust temperature correction coefficient; completing driving regeneration according to the engine torque under the driving regeneration control mode, and by correcting the engine torque, increasing the engine exhaust temperature, improving the regeneration efficiency, and ensuring the regeneration effect under low-load conditions.

The invention discloses a fresh air type rotating wheel dehumidification air conditioning unit with a built-in heat pump system, and belongs to the technical field of air conditioners, the fresh air type rotating wheel dehumidification air conditioning unit comprises a box body, the heat pump system, a low-temperature regeneration dehumidification rotating wheel and an air duct system, the heat pump system, the low-temperature regeneration dehumidification rotating wheel and the air duct system are all fixed in the box body, and the low-temperature regeneration dehumidification rotating wheel comprises a regeneration side and an adsorption side; and the regeneration side can desorb and absorb the adsorbed moisture of the adsorption side. According to the low-temperature regeneration dehumidification rotating wheel, the regeneration side and the adsorption side of the low-temperature regeneration dehumidification rotating wheel are matched with each other during working, and energy consumption is reduced while a low-humidity indoor environment is achieved.

The invention belongs to the technical field of biology, and particularly relates to a pear somatic embryogenesis method. Comprising the following steps: collecting fruits and obtaining explants; inducing somatic embryogenesis by taking immature zygotic embryos as explants; taking the immature zygotic embryo as an explant to induce an embryogenic callus; carrying out subculture and embryogenic maintenance on the embryogenic callus; performing somatic embryogenesis on the embryogenic callus; seedling strengthening and rooting culture of regenerated plants; and acclimatizing and transplanting. The two somatic embryo induction ways taking the immature zygotic embryo and the embryonic callus as the explants are high in regeneration efficiency which can reach 100%, good in hereditary stability, good in universality and short in induction time from the explants to the regenerated plants, and are an efficient way for in-vitro rapid propagation of pears; meanwhile, the genetic transformation efficiency of pears can be improved to a certain extent, the genetic stability of transgenic plants is enhanced, and the occurrence probability of chimeras of the transgenic plants is reduced.

The embodiment of the present invention provides a post-processing pipeline of a vehicle and a post-processing method of the vehicle, wherein the post-processing pipeline includes a heating pipeline, an oxygenation pipeline and a cooling pipeline, wherein the first end of the heating pipeline is used to introduce air, and the second end is respectively connected to the first end of the oxygenation pipeline and the first end of the cooling pipeline, and part of the pipeline is located in the exhaust pipeline of the TWC; a one-way valve is provided on the oxygenation pipeline, and the second end is connected to the GPF through a nozzle; an air release valve is provided on the cooling pipeline, and the second end is used to guide out the air, and since the exhaust pipeline of the TWC is connected to the engine exhaust pipe of the vehicle, the exhaust pipeline of the TWC has high-temperature exhaust gas of the engine, and the air flowing through the heating pipeline is fully heated by the high-temperature exhaust gas, and the gas is then controlled by the one-way valve to flow through the oxygenation pipeline and charged into the GPF to supplement oxygen, thereby improving the regeneration efficiency of the GPF; and the high-temperature exhaust gas can also be cooled, thereby reducing the temperature of the TWC, and the heated air is discharged from the cooling pipeline without affecting the engine emission.

The invention relates to the technical field of biomedical materials and tissue engineering, and discloses sequential slow-release temperature-sensitive hydrogel and a preparation method and application thereof.The preparation method comprises the following steps that a blood sample is subjected to programmed centrifugation, and a gel layer of leukocyte-rich platelet-rich fibrin L-PRF and a gel layer of improved platelet-rich fibrin A-PRF are obtained respectively; and the gel layer is cut into pieces, pre-frozen, freeze-dried, ground and sieved, so that L-PRF freeze-dried powder and A-PRF freeze-dried powder are obtained respectively, and the methacrylic acid gelatin microspheres entrapped with the L-PRF freeze-dried powder are prepared. The microspheres and A-PRF freeze-dried powder are loaded into a temperature-sensitive hydrogel system composed of chitosan, polygalacturonic acid and sodium beta-glycerophosphate, so that the growth factors can be effectively entrapped in the hydrogel structure, and continuous release is realized; the system has good mechanical strength and structural stability, the retention time of the material in vivo is prolonged, and stable three-dimensional network support is provided.

The application discloses an artificial wetland-bioelectric Fenton coupling system, which comprises, from bottom to top, a gravel layer, a biological anode carbon felt, a wetland layer and a floating electric Fenton cathode; the biological anode carbon felt is buried in the gravel layer and the wetland layer; the floating electric Fenton cathode floats on the water surface of the wetland layer; the floating electric Fenton cathode comprises an air diffusion waterproof layer and a heterogeneous Fenton catalytic layer; the floating electric Fenton cathode floats up and down with the liquid surface, has a strong oxygen enrichment function, can cancel the aeration of a traditional Fenton reaction, simultaneously needs no additional iron salt catalyst for efficient catalytic oxidation, and increases the pH range of the Fenton reaction. The application combines the artificial wetland and the bioelectric Fenton system, utilizes the interception of the artificial wetland to easily degradable organic pollutants, provides sufficient electric energy for the electric Fenton process through the bioelectrochemical method, reduces the competition of easily degradable organic matters and PPCPs to hydroxyl radicals in the electric Fenton process, and improves the degradation efficiency of the PPCPs.

The invention discloses a multifunctional waste activated carbon regeneration treatment device, and relates to the technical field of waste activated carbon regeneration, the multifunctional waste activated carbon regeneration treatment device comprises a mounting rack, a heater is fixedly connected to the bottom of the mounting rack, a heating furnace is fixedly connected to the top of the heater, and the two sides of the heating furnace are fixedly connected to the top of the mounting rack. The structure of the regeneration device is improved, the double-sleeve overlapping design of the inner sleeve and the outer sleeve is adopted, and reciprocating stretching and retracting of the inner sleeve are matched, so that dome convex blocks which are uniformly laid are extruded, and vibration of the inner sleeve is reversely promoted, and therefore, carbon particles are uniformly vibrated, and the mixing uniformity of the carbon particles is improved; and the inner sleeve can scrape the inner wall of the outer sleeve while ensuring uniform vibration, carbon powder residues are avoided, and therefore the regeneration efficiency is improved, a gap is reserved between the inner sleeve and the outer sleeve through the sliding block, carbon particles are prevented from being crushed, and the situation that the regeneration effect is affected due to uneven regeneration of waste activated carbon is effectively reduced.

This document relates to methods and materials for genome engineering in eukaryotic cells, and in particular to methods for increasing the efficiency of genome engineering (i.e., transformation or genome editing) by co-delivering a combination of one or more enhancer polypeptides and enhancer genes with genome engineering components.

This invention relates to the field of wastewater treatment technology, and discloses a wastewater treatment device and method based on resin materials. The method includes: calculating a cumulative load coefficient based on influent flow rate, influent pollutant concentration, effluent pollutant concentration, and the last regeneration end time; calculating a regenerant strength coefficient based on regenerant temperature and concentration; calculating a synergy coefficient based on the cumulative load coefficient, regenerant strength coefficient, the rate of change in pollutant concentration at the regenerated waste liquid outlet, and pH value; calculating a bed health status coefficient based on the resin bed saturation gradient and bed pressure drop; and finally determining and adjusting a target regenerant flow rate based on the baseline regenerant flow rate, synergy coefficient, and bed health status coefficient. The device includes at least two parallel cylindrical pressure vessels, a memory, and a processor, with the processor executing the above method steps. This invention achieves dynamic optimization control of the resin regeneration process, improves regeneration efficiency, and extends the resin's service life.

The invention relates to the technical field of waste gas treatment equipment, and discloses waste gas purification equipment for a PE pipe production line, the waste gas purification equipment comprises a zeolite rotating wheel, the zeolite rotating wheel comprises a front cylinder and a rear cylinder, the front cylinder and the rear cylinder are internally and movably connected with a front rotating wheel and a rear rotating wheel which keep rotating respectively, and a separation cavity is formed between the rear rotating wheel and the front rotating wheel; a front adsorption cavity, a front desorption cavity and a front cooling cavity are arranged between the front barrel and the separation cavity, a rear adsorption cavity, a rear desorption cavity and a rear cooling cavity are arranged between the separation cavity and the rear barrel, the front adsorption cavity and the rear adsorption cavity are connected in series, and the end part of the front adsorption cavity is communicated with waste gas through an adsorption pipe. According to the waste gas purification equipment for the PE pipe production line, a tandem type double-rotating-wheel structure is adopted, high-boiling-point pollutants are preferentially adsorbed and borne through the front rotating wheel, and adjustable internal reflux and differential rotating speed design are matched, so that the problem of zeolite pore channel blockage is solved, meanwhile, the concentration multiple of low-concentration waste gas is greatly increased, and the service life of the waste gas is prolonged. And stable self-heating operation of the catalytic oxidation furnace is ensured.

The present invention relates to a solid salt dissolution-promoting component for a salt box, a salt box and a water softener. The solid salt dissolution-promoting component includes a salt storage part, a limiting part and a supporting part for supporting the salt storage part; the wall in the salt storage part for contacting the solid salt is concave-convex and has a plurality of liquid holes. As described above, the supporting part of the solid salt dissolution-promoting component supports the salt storage part in the salt box. Due to the density difference between salt and water, the salt dissolved in the upper part of the salt box moves downward all the time, which will increase the concentration difference between the upper and lower parts of the salt box and thus accelerate the salt dissolution rate, and will also keep the dissolved salt in a state of motion and diffusion until the salt concentration is saturated, which can avoid the problem of freezing in areas with low temperatures, and can also avoid the stratification of salt water due to density difference, thereby improving the regeneration efficiency of the resin. In addition, the wall in the salt storage part for contacting the solid salt is concave-convex, which can increase the contact surface area between the solid salt and the water in the salt box, and can accelerate the dissolution of the solid salt.