106results about How to "Reduce fouling" patented technology

The invention relates to the technical field of production of automobile roofs, and particularly discloses a fiber-reinforced thermoplastic composite automobile interior ceiling and a preparation method thereof. A fiber-reinforced thermoplastic composite material automotive interior ceiling comprises a base material and a fabric, and the base material sequentially comprises a bottom layer non-woven fabric, a first adhesive film, a blend fiber felt and a second adhesive film from bottom to top; the blend fiber felt is made of reinforced fibers and thermoplastic fibers through a non-woven process. The preparation method comprises the following steps of: preparing the base material by a dry method, forming the framework and compounding the fabric by using a set of mold to obtain a ceiling prototype, and then punching by using a cold mold and integrally curling and covering the base material and the fabric of the skylight opening to obtain the ceiling. The automobile interior ceiling made of the fiber-reinforced thermoplastic composite material has excellent dimensional stability and is more low-carbon and environment-friendly, and raw material leftover materials generated in the production process and products produced after the life cycle is ended are easy to recycle.

The invention relates to the technical field of seawater desalination, and particularly provides an effect body evaporator, a low-temperature multi-effect distillation seawater desalination system and a low-temperature multi-effect distillation seawater desalination method. When the steam extraction circulating unit extracts steam, the opening degree of a flexible communicating hole in the double-flow-channel heat exchange pipe is gradually increased, so that most of steam entering the heat exchange pipe flows to an intermediate-effect evaporator through a main flow channel; and under the condition that the flow of the steam received by the first-effect evaporator is reduced, the flexible communication hole is gradually reduced, so that most of the steam entering the heat exchange pipe is subjected to heat exchange through the auxiliary flow channel under the action of the steam extraction pressure difference, and therefore, efficient utilization and heat energy recovery of the steam in the low-temperature multi-effect distillation seawater desalination system are realized, and the energy consumption is reduced. And meanwhile, scaling of the outer wall of the heat exchange tube of the first-effect evaporator due to the fact that the heat exchange tube bears the relatively unstable steam change condition can be effectively prevented, and scaling and cleaning difficulty of the first-effect heat exchange tube bundle are greatly reduced.

The invention belongs to the technical field of seawater desalination assistance, and particularly relates to a seawater desalination assistance system capable of relieving the burden of a dialysis membrane, the seawater desalination assistance system comprises an electrolytic tank, a first channel, a second channel and a third channel are arranged in the electrolytic tank from left to right in sequence, and the first channel and the second channel are separated by an anion exchange membrane; the channel II and the channel III are separated by a cation exchange membrane, seawater enters and is discharged from two sections of the channel I, the channel II and the channel III through pipelines and electric control valves, and a water electrolysis device is mounted between the channel I and the channel III. The seawater desalination auxiliary system has the remarkable beneficial effects that firstly, the innovative multi-channel design is combined with the ion exchange membrane, so that the burden of the dialysis membrane is effectively relieved, the service life of the membrane is prolonged, the maintenance cost is reduced, meanwhile, the water electrolysis device and the control system cooperatively operate, accurate regulation and control can be realized according to the real-time state of seawater, and the service life of the membrane is prolonged. The seawater desalination efficiency is greatly improved, and the energy consumption is reduced.

The invention discloses a method for controlling the C-shaped warping defect of eighteen-roller single-stand high-strength steel, and belongs to the technical field of solving the C-shaped warping defect of a steel plate. The method comprises the following steps: carrying out hot rolling, acid pickling and eighteen-roller reversible rolling on a descaled plate blank of a casting blank, the roller diameter difference between the upper roller diameter and the lower roller diameter of the middle roller of the eighteen-roller reversible rolling mill ranges from 2 mm to 5.5 mm, and the lower roller diameter is larger than the upper roller diameter. According to the method for controlling the C-shaped warping defect of the eighteen-roller single-stand high-strength steel, the roughness of the working rollers, the roller diameter difference of the middle rollers, the rolling force of the rolling mill and the strip steel tension are strictly controlled, the plate shape and stress problems in the rolling process are effectively controlled, and finally the warping height is controlled to be within the range of + / -(0.35-0.5) mm / m.

The high-concentration degradation-resistant wastewater treatment system comprises a hydrolysis acidification tank, an anaerobic reactor, an intermediate water tank, an aerobic granular sludge reaction tank and an MBR (membrane bioreactor) which are sequentially communicated in the wastewater flow direction, part of effluent of the anaerobic reactor flows back to the hydrolysis acidification tank for retreatment, and the rest of the effluent enters the intermediate water tank; the effluent of the middle water tank respectively enters an aerobic granular sludge reaction tank for decarbonization, denitrification and dephosphorization treatment and enters an MBR (Membrane Bioreactor) to make up the demand of denitrification on a carbon source; through coupling linkage and synergistic effect of the hydrolytic acidification reaction tank, the anaerobic reactor, the aerobic granular sludge reaction tank and the MBR bio-membrane reactor, the effluent concentration is controlled. A hydrolysis acidification pool and an anaerobic reactor are combined for internal circulation of a water outlet part, impact of high concentration on the anaerobic reactor is reduced, biogas produced by the anaerobic reactor is used for power generation, energy recovery and energy consumption saving, the purposes of energy conservation and emission reduction are achieved, and the problems that an existing treatment device and technology are tedious in process, long in hydraulic retention time and low in cost are solved. And meanwhile, the treatment effect is improved.

The utility model discloses an MVR (mechanical vapor recompression) evaporation system which comprises a first-effect circulating pump, a first-effect heater, a first-effect separator, a first-effect material transfer pump, a second-effect separator, a second-effect circulating pump, a second-effect heater and a vapor compressor. The second-effect circulating pump, the tube pass of the second-effect heater and the second-effect separator are connected through a pipeline to form a second-effect evaporation circulating unit, the first-effect evaporation circulating unit is connected to the second-effect evaporation circulating unit through a pipeline, and a steam outlet of the first-effect separator and a steam outlet of the second-effect separator are connected to the steam compressor through pipelines. An outlet of the steam compressor is connected to shell sides of the first-effect heater and the second-effect heater through pipelines. Under the condition that the thermal load is not changed, the average effective heat transfer temperature difference is increased by about 20%, and the total heat exchange area is reduced by about 20%; the average boiling point temperature rise is reduced by about 6%, scaling of the separator can be slowed down, and operation flexibility is improved.

The invention relates to the technical field of biomedical instruments, in particular to a piece airing plate convenient to take out, which comprises a plate body and a plurality of placing grooves, and the plurality of placing grooves are uniformly formed in the top surface of the plate body. By arranging the rotary clamping assembly and the adjustable positioning assembly, when a glass slide is placed, one side of the glass slide is inserted into a clamping plate, the glass slide is rotated, the glass slide is rotated by taking a movable shaft as the center, a first spring deforms, and when the glass slide moves to the position of the lower side of a positioning plate, the glass slide is clamped in the clamping plate; a glass slide is positioned in a placement groove by utilizing a clamping plate and a positioning plate, the glass slide is clamped under the action of a first spring and a second spring, the placement stability of the glass slide is improved, and the positioning plate can move into an insertion groove by pulling a fixing plate, so that the glass slide is placed more stably. At the moment, the glass slide can be driven to rotate at the placing groove under the action of the first spring, so that the glass slide can be conveniently taken out, and the use is convenient.

The application discloses a liquid seasoning adding device, which belongs to the field of cooking machines. The liquid seasoning adding device comprises a liquid seasoning storage structure, a pump body structure, a liquid conveying pipeline and a dropping assembly. The liquid conveying pipeline is sequentially connected with the liquid seasoning storage structure and the pump body structure, and the liquid outlet end of the liquid conveying pipeline is connected with the dropping assembly. The dropping assembly is arranged above a frying pot body. The dropping assembly comprises a mounting shell, an interface plate and a rotary driving structure. A through groove is formed in the mounting shell, and the through groove is used for butt joint with an opening of the frying pot body. A seasoning adding opening is arranged on the side surface of the mounting shell, and the interface plate is arranged at the seasoning adding opening. The driving structure drives the interface plate to switch positions between the interface plate being located in the through groove and being located outside the through groove.

The utility model relates to an MT guide pin automatic assembling device which comprises a round vibration material disc, a conveying material channel, a press-fit mechanism and a station rotary disc. The press-fit mechanism comprises a guide pin clamping component and a press-fit pneumatic component. One end of the conveying material channel is connected with the circular vibration material disc, the other end of the conveying material channel is in butt joint with a feeding hole in the guide pin clamping component, and the guide pin clamping component is connected with the press-fit pneumatic component, so that the press-fit pneumatic component drives the guide pin clamping component to tighten and clamp a guide pin, and the guide pin is pressed into a pin seat on the station rotary disc. The utility model can reduce the problem of poor assembly and improve the assembly efficiency, and is applied to the technical field of optical fiber communication.

The utility model discloses a high-level self-flowing type solar centralized water supply system which comprises a water replenishing subsystem, a solar temperature adjusting subsystem and a hot water supply circulation subsystem. The water replenishing subsystem comprises a municipal pipeline, a steady flow tank, a water softener, a water tank, a silicon-phosphorus crystal processor, a first water replenishing pipe, a second bypass pipe and a second water replenishing pipe; the solar temperature adjusting subsystem comprises a water mixing tank, a solar heat collector, a high-position heat preservation water tank, a circulating pump set and a direct connecting pipe. The hot water supply circulation subsystem comprises a self-flowing type user hot water pipe network, a heat supply frequency conversion booster pump set and a water return pipe. Softening treatment and silicon-phosphorus crystal treatment are carried out on supplied hot water in the earlier stage, scaling of a hot water supply pipe network, metal corrosion and safety of hot water using of a user are greatly delayed, the system adopts the water mixing tank as transition to supply water to the user, the water temperature of stored water in the heat preservation water tank can be increased, and therefore the heat storage amount is adjusted; the solar heat collector and the adjacent pipeline thereof adopt an anti-freezing design, and can be automatically emptied in low-temperature weather.

A switchable capacity-increasing energy storage type solar centralized water supply system in a low-temperature area comprises a water supplementing subsystem, a solar temperature adjusting subsystem and a hot water supply circulation subsystem. The water supplementing subsystem comprises a water supplementing pipe; the solar temperature adjusting subsystem comprises a heating tank, a solar heat collector, a circulating pump set, an energy storage container, an energy storage capacity increasing container, a first direct connecting pipe and a second direct connecting pipe. The hot water supply circulation subsystem comprises a heat supply variable frequency booster pump set, a user hot water pipe network and a water return pipe. According to the utility model, the energy storage can be adjusted through the adjustable closed loop control, i.e., the capacity of the working medium for energy storage is increased when the sunlight is short or the occupancy rate of users in buildings such as hotels is increased, and the capacity of the working medium for energy storage is reduced when the sunlight is long or the occupancy rate of users in buildings such as hotels is reduced. Meanwhile, the defects that the service life of a heat storage working medium is short, the energy consumption is increased, the service life of equipment is shortened and the like caused by a large working medium container without adjustable energy storage are overcome.

This application relates to the technical field of stamping and die-cutting equipment, and discloses a quick-change mechanical locking stamping and die-cutting machine, comprising: a stamping and die-cutting machine body, a driving device arranged on the right side of the stamping and die-cutting machine body, a control device arranged on the top of the driving device, a top plate arranged on the top of the stamping and die-cutting machine body, a die-changing mechanism arranged below the top plate, a cleaning mechanism arranged behind the die-changing mechanism, a feeding mechanism arranged to the left of the cleaning mechanism, a first guide roller arranged on the right side of the stamping and die-cutting machine body, and a receiving device arranged to the right of the first guide roller. This invention solves the problems of low feeding accuracy due to large tension fluctuations during the feeding process in existing stamping and die-cutting machines, the time-consuming and labor-intensive manual die-changing process with unreliable locking safety hazards, and the problem that a single negative pressure waste suction method is incomplete in cleaning adhesive debris, affecting product quality and production continuity.

The present disclosure provides methods of treating industrial processes with compositions, methods of making the compositions, and various anti-freeze compositions suitable for use in industrial processes. The anti-freeze dispersant compositions can include, for example, a sulfonated dispersant and a winterizing solvent. The anti-freeze dispersant compositions can prevent fouling in industrial processes.

The present invention discloses a PE-RTⅡ type pipe and its preparation method and application, and relates to the technical field of plastic pipes. It includes an anti-fouling and wear-resistant layer, which includes 80 to 120 parts of PE-RTⅡ type resin, 1 to 5 parts of polyoxymethylene, 0.5 to 4 parts of maleic anhydride graft copolymer, 1 to 10 parts of anti-adhesion polymer and 5 to 10 parts of anti-wear agent by weight. Maleic anhydride graft copolymer makes polyoxymethylene and PE-RTⅡ type resin more tightly combined. Polyoxymethylene and anti-wear agent work together to improve the wear resistance of the pipe. At the same time, polyoxymethylene can also work together with anti-adhesion polymer to improve the smoothness of the inner surface of the pipe, making it difficult for dirt to adhere to the inner surface of the pipe, reducing the blockage and contamination of the pipeline. At the same time, because the smoothness of the inner surface of the pipe is improved, the friction coefficient of the inner surface of the pipe is reduced, and the friction of the conveying medium in the pipe on the inner wall of the pipe is also reduced, which complements the anti-wear agent to form double protection.

The present application relates to the technical fields of urea pyrolysis, and particularly relates to a high-temperature flue gas heat exchanger urea pyrolysis system, which comprises a boiler flue chamber, an ammonia injection chamber, a side chamber and a pyrolysis furnace, the boiler flue chamber and the ammonia injection chamber are sequentially communicated, the side chamber is connected between the boiler flue chamber and the ammonia injection chamber and is communicated with the boiler flue chamber and the ammonia injection chamber respectively. The pyrolysis furnace is arranged in the side chamber, the side chamber is provided with a heat exchange pipe, and the heat exchange pipe extends into the pyrolysis furnace. The ammonia injection chamber is provided with a gas injection pipe, and the pyrolysis furnace is communicated with the gas injection pipe. The high-temperature flue gas heat exchanger urea pyrolysis system can directly heat the fresh air in the heat exchange pipe by using the high-temperature flue gas branched in the boiler flue chamber, and the fresh air is directly sent into the pyrolysis furnace after being heated, so that no additional connecting pipeline is needed, heat loss in the pipeline conveying process is avoided, energy consumption in the flue gas pollution treatment process is reduced, standard flue gas discharge and reasonable resource utilization are realized.

This invention relates to the field of water filtration equipment, and particularly to a rare-earth magnetic alloy scale inhibitor and descaling water treatment device with a multi-layer filtration structure. It includes a housing, and within the filtration chamber, a magnetic purification filtration module comprising a magnetized cylinder installed within the filtration chamber and having a filtration channel. The filtration channel is vertically arranged, and the magnetized cylinder has an outlet and a first inlet communicating with the filtration channel. A magnetic purification component is also provided within the filtration channel, spanning across the filtration channel so that water flowing towards the outlet must pass through the magnetic purification component. The multi-layer filtration module includes a filtration component installed between the inlet and the magnetized cylinder, the filtration component being arranged in a covering shape on the outer periphery of the magnetized cylinder, so that water flowing in from the inlet passes through the filtration component before reaching the filtration channel. Through the combination of a multi-layer filtration structure and a magnetic purification filtration structure, multi-layer filtration is achieved, effectively improving the filtration effect.

The invention discloses a process for preparing pure water with low cost and high efficiency. The specific process is as follows: sand filtration, sand filtration, carbon filtration, passing through the precision filter, passing through the intermediate storage tank, passing through the precision filter, passing through the precision filter, passing through the precision filter, passing through the precision filter, passing through a mixed bed for anion and cation removal, passing through the storage tank, adding of a scale inhibitor, passing through the precision filter, steam heating, reverse osmosis for impurity removal and preparation of pure water. In order to reduce the cleaning frequency of a reverse osmosis membrane tube, reduce calcium and magnesium scaling of the reverse osmosis membrane tube and prolong the service life of the reverse osmosis membrane tube, after raw water is subjected to sand filtration and carbon filtration treatment, a large number of anions and cations in water are removed through an anion and cation mixed bed, and the water enters the reverse osmosis membrane tube to deeply remove calcium and magnesium ions after being softened; the scale inhibitor is added from the carbon filter and then is added in front of the precision filter; raw water heating is adjusted to be that outlet water of the precision filter is heated by hot steam, and the prepared pure water is used for producing a cobalt tetroxide precursor by a production line, so that the cleaning frequency of a reverse osmosis membrane tube is reduced, the service life of the reverse osmosis membrane tube is prolonged, and the preparation cost of the pure water is reduced.

The multi-layer composite filtering membrane comprises a polytetrafluoroethylene microporous membrane (2), a first ceramic membrane (1) is arranged on the lower surface of the polytetrafluoroethylene microporous membrane (2), and an epsilon-polylysine-PCL fiber membrane (3) is arranged on the upper surface of the polytetrafluoroethylene microporous membrane (2). A graphene filter membrane (4) is arranged on the upper surface of the epsilon-polylysine-PCL fiber membrane (3), and a second ceramic membrane (5) is arranged on the upper surface of the graphene filter membrane (4). The filter element has the characteristics of being not easy to deform and improving the filtering efficiency.

This invention belongs to the field of water softening and sterilization technology, and discloses an ion-selective adsorption electrode, a micro-electric field adsorption system, and their application in water softening and sterilization / algae removal. An ion-selective adsorption electrode comprises polypolycarboxylate ion exchange fibers, activated carbon, a conductive agent, and a binder, wherein the mass percentage of the polypolycarboxylate ion exchange fibers is 5-20%. This invention uses CCEF-modified activated carbon as the cathode, and at the optimal doping level, it effectively removes Ca... 2+ and Mg 2+ The selectivity coefficients were 15.0 and 13.5, respectively, for Ca 2+ The electroadsorption capacity of the electrode is 311 μmol / g, which is much higher than that of the AC electrode. After 50 cycles of stability testing, the Ca... 2+ The electroadsorption capacity remained above 85%, demonstrating good regeneration ability. Activated carbon modified with nano-silver was used as the anode, and under electric field enhancement, the inhibition rates against bacteria and microalgae reached over 99% and 90%, respectively, exhibiting excellent antimicrobial contamination capabilities.

The utility model relates to the technical field of cooling water curtains, and discloses a cooling water curtain scale prevention device which comprises a circulation box, a circulation pump set is arranged in an inner cavity of the circulation box, a cooling water curtain body is arranged at the upper end of the circulation box, fixing frames are welded to the two sides of the cooling water curtain body, and the fixing frames are detachably connected with the two sides of the circulation box. According to the technical scheme, chicken feathers and other impurities attached to the surface of the cooling water curtain body can be effectively cleaned away, so that the scaling situation on the surface of the water curtain is reduced, the fixing frame can be driven to move in a linkage mode in the moving process of the cleaning frame, the rubber scraping pieces on the fixing frame are made to clean the inner wall of the circulation box to a certain degree, and the cleaning efficiency is improved. Therefore, the water in the circulating box can be changed cleanly, and the scaling condition of the cooling water curtain main body is further reduced.

The utility model provides a kind of for preparing L-aspartic acid with the crystallizer of cleaning function, including crystallization kettle main part, located the feed channel of crystallization kettle main part top and be set to the crystallization chamber of crystallization kettle main part bottom wall, still include support frame, set on the drive mechanism and cleaning plate of support frame, support frame is located the top of crystallization chamber and is connected with the inner wall of crystallization kettle main part, drive mechanism is connected with cleaning plate and is used to drive cleaning plate rotation, the side wall of cleaning plate and the inner wall of crystallization kettle main part abuts, support frame supports drive mechanism and support plate, the side wall of cleaning plate and the inner side wall of crystallization kettle main part abuts, when crystallization chamber top scale, through the drive mechanism on support frame, cleaning plate slowly rotates, to scrape off the scale on the side wall of crystallization kettle main part, to reduce the scale on the inner side wall of crystallization kettle main part, so that scale is not easy to destroy the growth environment of crystal, improve the processing quality of ammonium sulfate product.

The utility model relates to the technical field of waste heat recovery, and discloses a circulating water waste heat recovery device utilizing a heat pump, which comprises a heat pump unit, the heat pump unit consists of a heat pump evaporator, a condenser, a compressor and a backflow expansion valve, the compressor is arranged behind the heat pump evaporator and the condenser, and the backflow expansion valve is arranged behind the heat pump evaporator and the condenser. An air inlet of the compressor is connected with an air outlet of the heat pump evaporator, an air outlet of the compressor is connected with an air inlet of the condenser, and a water conveying assembly is arranged at the front end of the heat pump evaporator. Through the water conveying assembly, the water conveying flow can be adjusted according to the temperature condition of circulating return water, so that the temperature of circulating water entering the heat pump evaporator is kept within a stable range, impurities in the circulating water can be screened out, the probability of blockage of all parts is reduced, and appropriate water treatment agents can be added into the heat source water conveying pipe regularly; and the scaling and corrosion probability of the water conveying component is further reduced.

The invention relates to the technical field of automatic detection, and discloses a plate production management method and device and plate production equipment. The method comprises the steps that a plate production device is controlled to conduct defect detection on a plate, detection data are obtained, the detection data comprise attribute information of the plate, defect information, defect detection results and device information of the plate production device, and the defect detection results comprise qualification, badness and abnormity; based on the detection data, controlling the panel production equipment to intercept the panel with the defect detection result being poor; analyzing the detection data in a preset time period, and determining the reject ratio of the plates under different dimensions; and on the basis of the plate reject ratio under different dimensions, early warning information is generated, and the early warning information is used for improving the plate production quality. According to the method and the device, the bad plates can be intercepted, and the early warning information is generated, so that technicians can improve the production quality of the plates based on the early warning information, and generation of bad problems is reduced from the source.

The utility model relates to the field of pollutant treatment, in particular to a sewage treatment device which comprises a box body, a partition frame, a filler plate and an aeration disc, the box body is provided with a containing cavity, the partition frame is detachably connected to the inner wall of the containing cavity, the filler plate and the aeration disc are arranged on the two sides of the partition frame respectively, the filler plate is detachably connected to the upper end of the partition frame, and the aeration disc is detachably connected to the lower end of the partition frame. The outer wall of the aeration disc is fixedly connected with a hinge column, and the hinge column is rotatably connected to the inner wall of the accommodating cavity. Microorganisms attached to the filler plate decompose organic pollutants in sewage or waste gas through metabolism and convert the organic pollutants into harmless substances or stable residues, the aeration disc is externally connected with oxygen, necessary dissolved oxygen is provided for the microorganisms, the activity of the microorganisms is enhanced, the degradation efficiency is improved, the hinged column rotates to enable the aeration disc to rotate, scaling is reduced, and the aeration efficiency is improved. The pollutant treatment efficiency is improved.

The invention discloses an integrated water-fertilizer irrigation device for rice, which belongs to the field of agricultural planting. The device comprises a frame, a support plate fixedly connected to the lower end of the frame, and a wheel body rotatably connected to one side of the support plate. A water-fertilizer mixing unit is arranged at the upper end of the frame, and the water-fertilizer mixing unit is used to transport irrigation water and liquid fertilizer into a water-fertilizer mixing component, and the water-fertilizer mixing component is used to directly mix the liquid fertilizer with the irrigation water. The irrigation water in the rotary joint and the liquid fertilizer in the fertilizer pump can be directly mixed quickly and evenly through a static mixing element, so that the fertilizer is fully dispersed and evenly distributed in the irrigation water, and the efficiency and accuracy of fertilization are improved. In this way, the rotary joint is directly connected to an irrigation water supply pipe, and water-fertilizer integrated irrigation can be directly realized by real-time water supply. The device does not need to carry a water tank and a stirring and mixing box, which improves the flexibility of the device and the stability of the device in the field.

The utility model discloses a corrosion-resistant electrode plate group of a wet electric dust collector. Comprising a frame body, a group of supporting rods fixedly mounted in a lower area in the frame body, a group of adjusting rods slidably mounted in an upper area in the frame body, a power assembly for driving the adjusting rods to slide, and a plurality of electrode plates vertically arranged in the frame body at equal intervals; the lower ends of the plurality of electrode plates are rotatably mounted on the two supporting rods, and the upper ends of the plurality of electrode plates are movably mounted on the two adjusting rods; a plurality of groups of electrode plates are arranged in the frame body, a plurality of groups of spray headers are arranged in the frame body, and the spray headers are positioned right above the connecting parts of the electrode plates and the supporting rods. The problems of poor corrosion resistance, scaling blockage, low cleaning efficiency, lack of dynamic adjustment and the like in the prior art are specifically solved.

The utility model belongs to the technical field of flue gas treatment, and discloses a desulfurization smoke dust recycling system which comprises a desulfurization tower, a dust remover, a granulation device and a circulating desulfurizer conveying device. According to the system, a spraying device in the desulfurizing tower is replaced by the high-pressure water gun, so that the atomization effect is good, the contact area of water, flue gas and a desulfurizing agent is increased, the desulfurizing agent is fully utilized, and the desulfurizing agent cost of an enterprise is reduced; gas carrying desulfurizer-containing dust from the desulfurizing tower is dedusted and dedusted by the deduster, desulfurized gas is discharged, the dust enters the ash hopper, is granulated by the granulating device and then flows into the desulfurizing tower by the circulating desulfurizer conveying device, so that the reutilization of the desulfurizer is realized, the resource is saved, and the cost is reduced.

The utility model provides a double-flange liquid level meter with an anti-scaling device. The double-flange liquid level meter comprises a flange assembly, an isolation diaphragm, a capillary tube and a differential pressure transmitter. Wherein the two flange assemblies are installed on protruding connecting pipes at the bottom and the top of the side wall of the storage tank respectively, each flange assembly is provided with an isolation diaphragm, and each isolation diaphragm is connected with the differential pressure transmitter through a capillary tube filled with a transmission medium; each flange assembly is provided with an anti-scaling device. According to the anti-scaling device, the transmission rod is installed on the flange, the stirring blade is connected to the transmission rod, and according to the characteristics of materials in the storage tank, the stirring blade slowly reciprocates in the connecting pipe through regular movement of the transmission rod, so that the materials in the connecting pipe are cyclically updated, and a blind area at the front end of the flange assembly is eliminated; scaling at the isolation diaphragm is reduced, the maintenance period of the flange is prolonged, and the maintenance cost is reduced.

The utility model discloses a turbulent flow structure for a heat exchange tube, a heat exchanger and a gas water heater, the turbulent flow structure comprises: a main body part, the main body part is provided with a plurality of turbulent flow holes at intervals along the length direction, and the two end parts of the main body part are respectively a water inlet end and a water outlet end; the spoilers are connected with the main body part, the spoilers correspond to the spoiler holes, and the joints of the spoilers and the main body part are located on the sides, close to the water inlet end, of the corresponding spoiler holes; wherein in every two adjacent spoilers, one spoiler extends in the direction away from the first surface of the main body part in the water flow direction, the other spoiler extends in the direction away from the second surface of the main body part in the water flow direction, and the first surface and the second surface are arranged in a back-to-back mode. Through the blocking effect of the spoilers, the laminar flow state of water flow is broken, the uniformity of water flow is accelerated, and the heat exchange efficiency is improved; the turbulent flow structure is simple in structure, convenient to form and machine and beneficial to reducing production cost.

The utility model discloses a voice coil motor, carrier, which is provided with a first through hole capable of placing a lens, and the side wall of the carrier is fixed with a coil, a base is provided with a second through hole coaxial with the first through hole, a spring piece is arranged between the carrier and the base, and the two sides of the spring piece are fixed with the carrier and the base respectively. The voice coil motor can balance the moment of force by canceling the upper spring and adjusting the lower spring wire width, can perfectly realize the use of one lower spring to carry the carrier, balance the moment of force, produce the tensile force opposite to the magnetic force, realize the use of one spring to realize the AF focusing stroke requirement, thereby reduce the cost.