21 results about "Rapping" patented technology

The invention discloses a pneumatic rapping ash removal efficiency optimization method under a high-ash working condition, and relates to the technical field of flue gas electrostatic precipitation, and the method comprises the steps: carrying out the time window time frequency feature extraction of a high-ash working condition rapping data set, obtaining a rapping multi-mode feature set, quantifying the rapping performance state through a rapping state evaluation algorithm, and generating a rapping comprehensive state set; constructing a double-constraint rapping optimization model based on the rapping comprehensive state set, and generating a regional rapping optimization strategy by performing optimal configuration on rapping strength parameters; an area rapping optimization strategy is executed, the marginal dust removal effect of pneumatic rapping is recognized through sound and vibration characteristics in combination with a high-ash working condition rapping data set, and a rapping execution result is obtained; and performing self-adaptive adjustment on the double-constraint rapping optimization model according to a rapping execution result, and performing ash removal performance trend analysis in combination with the rapping comprehensive state set to obtain an ash removal efficiency optimization report. By constructing the vibrating comprehensive state set, the ash removal efficiency is improved, and the unit ash removal energy consumption is reduced.

This invention provides a rapping dust removal control method and system, belonging to the field of electrostatic precipitator technology. The method includes: responding to a start signal, performing equipment initialization, and collecting emission parameters of the electrostatic precipitator after initialization; simulating emission conditions based on the emission parameters to obtain simulated operating conditions; determining the deviation between the simulated operating conditions and a preset optimal operating condition, and triggering a control command when the deviation exceeds a preset deviation threshold; executing the control command, generating control parameters based on the deviation value, and performing electrostatic precipitator control based on the control parameters. This invention solves the problem of existing electrostatic precipitator rapping solutions being unable to adjust the rapping force distribution according to different dust accumulation characteristics under different operating conditions.

The invention discloses an electromagnetic rapping unit control method, which adopts an electromagnetic driving technology to replace a traditional pneumatic mode, and realizes accurate positioning and personalized rapping treatment of different positions of the back of a patient through a modularized electromagnetic rapping unit array capable of being independently controlled. The percussion device has the core effects that the motion of the percussion head is directly and linearly controlled by utilizing current, so that the percussion strength, frequency and working mode (such as simulated natural inertia percussion or whole-course controlled accurate percussion) are subjected to digital high-precision adjustment; meanwhile, closed-loop position feedback and mechanical and electrical dual safety protection are integrated, the sputum excretion treatment effect and the comfort degree of a patient are improved, meanwhile, high safety and automation of the treatment process are guaranteed, and the workload of medical staff is remarkably relieved.

An automatic dust-controlling silo relates to the field of container technology for storing or transporting objects or materials. It includes: a silo body with a feeding section, a main body section, and a funnel section; a rapping device disposed on the outer wall of the funnel section, the rapping device comprising at least two sets of circumferentially evenly distributed pneumatic impact components; and a back-blowing material dispersing ring pipe disposed on the outer wall of the funnel section, the back-blowing material dispersing ring pipe having a plurality of air holes evenly distributed circumferentially, the air holes communicating with the interior of the funnel section. This invention uses the axially evenly distributed rapping device in the funnel section to loosen materials and clumps adhering to the silo wall through mechanical impact. Combined with the high-pressure airflow released by the back-blowing material dispersing ring pipe, it further removes residual powder, disrupts electrostatic adsorption, and inhibits secondary bridging, forming a synergistic clearing closed loop of rapping followed by blowing.

The invention relates to the technical field of flue gas treatment equipment, and provides a dust removal device for a blast furnace flue gas treatment system, which comprises a box body and a filter bag frame arranged in the box body, and further comprises a driving mechanism and a rapping frame, the rapping frame is arranged in the box body, sleeves which are in one-to-one correspondence and sleeve the lower part of the filter bag frame are arranged in the rapping frame, and first sliding rods are symmetrically arranged on two sides of the rapping frame. According to the invention, the defects in the prior art are overcome, the design is reasonable, the structure is compact, a dust layer with relatively strong adhesive force on the surface of the filter bag can be effectively destroyed and stripped through periodic mechanical rapping in a dust cleaning mode of combining mechanical rapping and pulse blowing, and favorable conditions are created for subsequent blowing; the pulse blowing can provide strong instant reverse airflow, go deep into the filter bag and remove loose fine dust after vibration, the pulse blowing and the filter bag act synergistically, the overall dust removal efficiency and thoroughness are remarkably improved, and the device is particularly suitable for the working condition of dust which is complex in component and possibly viscous in blast furnace flue gas.

The application discloses a kind of pneumatic rappers for electric dust collector, including shell, impact head, high-temperature magnet, high-temperature spring, two hard sealing rings and a soft sealing ring made of polytetrafluoroethylene, the impact head is housed in shell interior, the outer peripheral wall of the impact head is equipped with the soft sealing ring and hard sealing ring for sealing between shell inner wall, the soft sealing ring is located between two hard sealing rings, the rear end of the impact head is integrally formed with impact hammer, the rear end of the shell is provided with hammer hole for impact hammer to extend, the rear end of the impact head and shell are provided with high-temperature spring sleeved on impact hammer, the front end of the impact head is embedded with high-temperature magnet, the front end of the shell is provided with air inlet, compared with prior art, can resist electric dust collector inside flue gas high temperature, high dust and corrosive environment, good running stability, can effectively improve dust cleaning effect and equipment life.

The present application relates to the technical field of rapping and dust removal facilities, more specifically, it relates to a sulfuric acid production equipment rapping and dust removal facility and an emergency method when the facility fails, the facility comprises a device body, a gas inlet distribution plate is arranged in the device body, a rapping hammer, a rapping rod and a rapping chain plate assembly are further arranged in the device body, the rapping hammer is arranged on the device body by being connected with a driving element, the rapping rod is arranged between the rapping hammer and the rapping chain plate assembly, the rapping chain plate assembly contacts the gas inlet distribution plate, the rapping rod drives the rapping chain plate assembly by being struck by the rapping hammer, the sulfuric acid production equipment rapping and dust removal facility and the emergency method when the facility fails can reduce the probability of failure of the setting of the rapping hammer during long-term high-temperature rapping, thereby maintaining stable rapping and dust removal effect.

The application discloses a kind of high ash condition under pneumatic rapping ash efficiency optimization method, it is related to flue gas electrostatic precipitation technical field, including, to high ash condition rapping data set carries out time window frequency feature extraction, obtains rapping multi-modal feature set, quantifies rapping performance state by rapping state evaluation algorithm, generates rapping comprehensive state set;Based on rapping comprehensive state set, construct double-constraint rapping optimization model, by optimizing configuration to rapping intensity parameter, generate regional rapping optimization strategy;Execute regional rapping optimization strategy, combine high ash condition rapping data set by acoustic vibration feature to identify the marginal ash cleaning effect of pneumatic rapping, obtain rapping execution result;According to rapping execution result, double-constraint rapping optimization model is adaptively adjusted, and combined with rapping comprehensive state set carries out ash cleaning performance trend analysis, obtains ash cleaning efficiency optimization report.The application is by constructing rapping comprehensive state set, improves ash cleaning efficiency and reduces unit ash cleaning energy consumption.

The utility model discloses an electric precipitator rapping hammer fall-off protection device, including platform frame, a plurality of intercept rods and a plurality of rapping rotating shaft support, the intercept rods are arranged on the platform frame in order and form an intercept platform, the platform frame is provided with the rapping rotating shaft support, the rapping rotating shaft support is provided with a rapping rotating shaft, and the rapping rotating shaft support is provided with a rapping rotating shaft. Compared with the prior art, the electric dust remover has the advantages that the vibrating hammers of the electric dust remover cannot fall into the dust hopper, and dust blockage of the dust hopper can be avoided; in addition, the maintenance efficiency of the rapping hammer can be improved during maintenance, and the falling position of the rapping hammer can be visually seen.

This utility model relates to the field of rapping dust removal technology, specifically to a side-impact rapping device capable of self-excited torsional vibration. The device includes a rapping rod body, a rapping hammer for generating bending vibration, and a key asymmetric inertial component. The asymmetric inertial component is rigidly fixed to the outer surface of the rapping rod body, and its center of mass is clearly offset from the central axis of the rapping rod body in the radial direction. When the rapping hammer strikes the rapping rod to induce bending vibration, the asymmetric inertial component, due to its inherent inertia, applies an instantaneous torsional torque around the central axis to the rod body during the bending motion. This torque passively excites torsional vibration as an excitation source, ultimately forming a bending-torsional composite vibration mode. This application, through the above solution, significantly improves the cleaning effect on stubborn dust accumulation in a simple, highly reliable manner without requiring an additional drive source.

The utility model discloses a polar plate rapping device for an electrostatic dust collector, which comprises a shell, a rapping mechanism arranged in the shell, an auxiliary plate which is arranged in the shell and is matched with the rapping mechanism to operate, and a driving mechanism which is fixedly arranged outside the shell and is connected with the rapping mechanism, the first bearing sleeve, the second bearing sleeve and the third bearing sleeve are sequentially and fixedly installed on the rapping transmission shaft through pin keys, and the rapping assemblies are distributed and installed on the rapping transmission shaft at equal intervals. The device can operate efficiently, reliably and enduringly, and the ash removal effect of the dust remover and the long-period stable operation of equipment are ensured.

This invention provides a method and system for rapping a low-temperature electrostatic precipitator, belonging to the field of electrostatic precipitator technology. The method includes: S10) collecting ash accumulation parameters at the start-up time of the electrostatic precipitator; S20) determining the current rotation cycle of the rapping shaft based on the ash accumulation parameters at the start-up time, and controlling the rotation of the rapping shaft based on the current rotation cycle for rapping; S30) collecting real-time ash accumulation parameters of the electrostatic precipitator, and determining the next rapping time based on the real-time ash accumulation parameters; S40) at the determined next rapping time, determining the next rotation cycle of the rapping shaft based on the ash accumulation parameters at that time, and controlling the rotation of the rapping shaft based on the next rotation cycle for rapping; S50) repeating steps S30)-S40) to perform cyclic rapping of the electrostatic precipitator. This invention reduces secondary dust generation during the rapping process while ensuring the dust removal performance of the low-temperature electrostatic precipitator.

The invention relates to the technical field of electric precipitation control, in particular to an electric precipitation automatic power-off rapping control method, which realizes automatic control based on a DCS (Distributed Control System), and comprises the following steps of: firstly, continuously collecting secondary voltage, secondary current, spark rate and equipment state parameters of each electric field of electric precipitation, and then comparing the parameters with a preset threshold value; when triggering conditions are met, the high-frequency power supply of the abnormal electric field is automatically interlocked and quit, the vibrating motor is synchronously started to forcibly clean dust on the anode plate and the cathode wire, meanwhile, the associated electric field is interlocked and started to guarantee the dust removal efficiency, and the high-frequency power supply is automatically recovered after vibrating is completed. Closed-loop automatic control of electric dust removal power-off rapping is achieved, online dust removal in unit operation can be completed, electric field failure is effectively avoided, dust removal efficiency and power supply output are improved, impact of voltage and current fluctuation on equipment and component loss are reduced, energy-saving operation is achieved while the ultralow dust emission index is met, and the energy-saving effect is achieved. Safe and stable operation of the unit is ensured.

The utility model discloses a novel grate vibrator, which belongs to the technical field of anti-blocking of grates, and comprises a support plate and a base, the bottom of the support plate is connected with a plurality of support legs, the top of the support plate is provided with a transmission mechanism, the top of the base is provided with a knocking mechanism, and one side of the base is provided with a random stop mechanism; according to the utility model, the knocking mechanism and the transmission mechanism are arranged, and the output shaft of the motor rotates to drive the rotating shaft and the plurality of row teeth to rotate, so that the tail part of the rapping arm can be driven to ascend through the sliding block and the rapping head can descend, and when the sliding block is separated from the row teeth, the gravity of the counterweight sleeve and the tail part of the rapping arm can drive the rapping head to ascend; the rapping head is arranged on the grate, so that the rapping head can knock the grate, accumulated materials on the grate can be cleaned, the situation that the grate is blocked due to excessive accumulated materials is avoided, the situation that a large amount of manpower is specially used for cleaning the accumulated materials between the grates is avoided, the labor force of personnel is saved, and the working efficiency of accumulated material cleaning is improved.

The utility model discloses double-frequency rapping cloth bag dust removal equipment which comprises a dust removal box with a cavity, a plurality of filter bags, an ash removal assembly and a rapping assembly, the ash removal assembly comprises an ash removal pipe, an ash removal header pipe and a plurality of ash removal branch pipes, a plurality of air outlet holes are formed in the ash removal branch pipes, and the rapping assembly is arranged in the cavity. The rapping assembly comprises a guide strip, a rack, a gear, a rotating rod and a plurality of rapping rods, the gear is fixedly arranged outside the rotating rod in a sleeving manner, and the rapping rods are used for rapping the filter bag. According to the double-frequency rapping cloth bag dust removal equipment disclosed by the utility model, air flows out of the air outlet holes and then is jetted to the inner surface of the filter bag, so that dust on the surface of the filter bag can be filtered, and then the driving piece drives the rack to move, so that the plurality of gears synchronously rotate and work, and the rotating rod and the vibrating rod are driven to rotate; and the filter bag is knocked by the vibrating rod, so that the filter bag can be subjected to dust filtering treatment again, and the dust cleaning effect is good.

The invention relates to the technical field of material conveying and processing equipment of a car dumper unloading system, provides a split type rapping device and system based on a hopper, and discloses the split type rapping device based on the hopper, in which a swing hinge point and a fixing frame are fixedly mounted on a hopper rib plate, a swing part is rotatably mounted on the swing hinge point, and the fixing frame is fixedly mounted on the hopper rib plate. The vibrating part is detachably installed on the swinging part and located between the fixing frame and the funnel body, the vibrating motor is fixedly installed on the vibrating part and can drive the vibrating part to vibrate the funnel body, one end of the reset spring is fixedly installed on the fixing frame, and the other end of the reset spring is fixedly installed on the vibrating part; the invention further discloses a split type rapping system based on the funnel. The split type rapping system comprises a funnel body, a funnel rib plate and the split type rapping device based on the funnel. According to the vibrating hopper, the vibrating motor indirectly vibrates the hopper body through the vibrating arm, so that the hopper body cannot be torn due to vibration, and fatigue damage to the joint of the upper end of the hopper body and other structures cannot be caused.

The utility model provides an electric precipitator anode plate rapping deashing system which comprises a supporting frame, a first rapping mechanism, a second rapping mechanism, a first transmission rod and a second transmission rod, the first transmission rod is used for being installed at the top of an anode plate, and the second transmission rod is used for being installed at the bottom of the anode plate; the first rapping mechanism is mounted on the supporting frame, and the first rapping mechanism and the first transmission rod are oppositely arranged, so that the first rapping mechanism raps the first transmission rod; the second rapping mechanism is installed on the supporting frame, and the second rapping mechanism and the second transmission rod are oppositely arranged, so that the second rapping mechanism raps the second transmission rod. Through the arrangement of the first rapping mechanism and the second rapping mechanism, dust at the upper end and the lower end of the anode plate can be stripped in time under vibration, the situation of back corona of the anode plate is prevented, and the dust removal effect on the anode plate is improved.

The utility model relates to the field of cigarette materials, and discloses a rapping device for producing cigarette materials, which comprises a rapping tank, the top of the rapping tank is fixedly connected with a feed port, a rapping component is arranged in the rapping tank, an anti-blocking component is arranged at the top of the rapping tank, the rapping component comprises a support frame and a plurality of connecting blocks, and the connecting blocks are arranged on the support frame. The outer side of the connecting block is fixedly connected to the inner wall of the rapping tank, a second spring is fixedly connected to the top of the connecting block, a filter screen is fixedly connected to the top end of the second spring, the outer side of the supporting frame is fixedly connected to the top of the rapping tank, and a motor is fixedly connected to the interior of the supporting frame. According to the cigarette material rapping device, through mutual cooperation of the motor, the rotating shaft, the rotating disc, the connecting shaft, the hollow shell, the rapping rods and other structures, full rapping of cigarette materials in the rapping tank is achieved, caked materials are effectively rapped, the looseness of the materials is improved, and the materials are prevented from being stacked or caked, so that the fluidity of the materials is improved, and treatment of subsequent procedures is facilitated.

The utility model discloses an isostatic pressing forming semi-automatic powder filling device which comprises a powder bin and a vibration platform, a forming die is placed on the top of the vibration platform, a powder hopper is installed on the top of the forming die, and an upper die cover is connected to the opening position of the forming die. Fixing rods are fixedly connected to the left side and the right side of the lower portion of the powder bin, a support is arranged on the outer sides of the two fixing rods in a sleeving mode, and high-frequency rapping hammers are arranged on the left side and the right side of the interior of the support. According to the isostatic pressing forming semi-automatic powder filling device, the interval operation of powder filling, rapping of the high-frequency rapping hammer, powder filling and rapping of the high-frequency rapping hammer can be controlled according to a program, the high-frequency rapping hammer raps in sequence from bottom to top until a mold is filled with powder, and therefore it is guaranteed that the powder from the bottom to the top of the mold can be fully compacted through vibration; and meanwhile, the uniformly filled and compacted powder can keep a better shape during demolding, so that the probability of product damage is reduced.

The utility model discloses an air circulation purification device and relates to the field of sludge treatment devices. Which comprises a drying box, a circulating assembly, a purifying assembly and a rapping assembly, and is characterized in that an air inlet and an air outlet are formed in the drying box, and the end of the circulating assembly communicates with the air inlet and the air outlet correspondingly; the purifying assembly is arranged on the circulating assembly, the circulating assembly drives hot air in the drying box to flow into the purifying assembly through the air outlet, and then the hot air flows back to the drying box through the air inlet due to the purifying assembly. The rapping assembly is arranged in the drying box and moves along with the conveying chain plate, and the rapping assembly strikes the conveying chain plate. The conveying device has the advantage that dust generated in follow-up conveying is reduced. And the drying effect is better.