31results about How to "Avoid secondary flying" patented technology

The invention relates to a split-type pulse dust collector for drying and burning sludge, which comprises an upper box body, a lower box body and a control system, wherein the upper box body comprises at least one filtering unit; the filtering unit comprises a purified gas chamber arranged in the upper layer, a filtering chamber arranged in the lower layer and a porous plate spacer arranged at the middle; a bypass channel is arranged inside the upper box body; the bypass channel extends out of the upper box body and is communicated with the external air through a by-pass valve; the by-pass valve plays the role of protecting against high temperature; the lower box body comprises an ash bu0063ket and a material bin; a vibrating and beating device is arranged inside the ash bucket; and the control system comprises a power control box and a power supply inlet. With the structure, the invention has the characteristics that: the split-type pulse dust collector for drying and burning sludge is convenient for installation, removes the ash completely, improves the seal performance, reduces the oxygen content, prolongs the service life of the filter bags, achieves the reasonable distribution of the filter bags, avoids the problem of bridging deposition of ashes inside the ash bucket during the use, and allows the by-pass valve and the lifting valve to be closed tightly. Besides, the split-type pulse dust collector for drying and burning sludge has the high temperature protection function.

The invention discloses an ultra-low emission absorption tower, which comprises an absorption tower body, a demister, spraying layers and a slurry trough, wherein the slurry trough is arranged at the bottom in the absorption tower body; the demister is arranged at the upper part in the absorption tower body; the spraying layers are arranged below the demister; a slurry distribution plate is arranged below the lowermost spraying layer; a slurry flow guide ring is arranged below each spraying layer; the demister consists of three groups of ridge-type demisters and a group of tubular demisters; the tubular type demisters are arranged below the lowermost layer of the ridge-type demisters; a condensation and coagulation system is arranged between the lowermost layer of the ridge-type demisters and the middle layer of the ridge-type demisters. The ultra-low emission absorption tower can be used for removing tiny dust with a small particle size from smoke of a power plant, so that the spraying coverage rate is effectively increased, the efficiency of removing SO2 and dust from the smoke is improved, and the inner wall of the absorption tower body can be effectively prevented from being abraded; in addition, smoke can be guided, so that smoke can flow to a spraying dense region to relieve pressure loss of the edge wall.

The invention relates to a differential movable type transverse electrode electrostatic precipitator which comprises a housing. Two ends of the housing are provided with an inlet seal head and an outlet seal head, the lower part of the housing is provided with an ash bucket, and an anode system and a corresponding cathode system are provided in the housing; the anode system is composed of a plurality of vertically arranged annular anode rows at equal intervals, each anode row annularly moves under the driving of a transmission device, the bottom of each anode row is provided with an anode plate striking gear used for rapping and ash removal, and the cathode system and the anode system form a plurality of evenly-spaced, parallel and alternatively arranged sets of movable type differential electric field perpendicular to the direction of air flow. According to the invention, through cooperation between the movable annular anode rows and the anode plate striking gears at the bottom of the anode rows, the problem of secondary stirring of dust generated by rapping and ash removal of the anode of an electrostatic precipitator is overcome; gaps among anode plates are decreased, migration distance of charged dust is reduced, and an effective dust collecting area of a single electric field is increased.

The invention discloses a rotary ash eliminator of circular pipe electro-precipitator, which belongs to the technical field of electro-precipitator, and aims at providing a rotary ash eliminator of circular pipe electro-precipitator with good ash eliminating effect and long service life. The rotary ash eliminator of circular pipe electro-precipitator is technically characterized by including an external anode cylinder (1) the bottom of which is provided with an air inlet and the top end of which is provided with an air outlet, at least one cylindrical cathode wire framework (2) hung in the external anode cylinder and at least one inner internal anode cylinder (3); a vertical motor (4) is arranged in the center above the top end of the external anode cylinder; the output shaft of the vertical motor is connected with a main shaft (7) through a coupling (5); the main shaft is vertically hung in the external anode cylinder through a bearing (6) fixed in the middle of the top plate of the external anode cylinder; the main shaft hung in the external anode cylinder is connected with a swing mechanism consisting of an upper triple sleeve and a lower triple sleeve; an upper swinging arm and a lower swimming arm, as well as a sweeping rod; and one surface of the sweeping rod (10) closed to the inner anode cylinder and the external anode cylinder is embedded with a high-temperature resistant flexible brush (101).

The invention relates to a double-cartridge filter. The double-cartridge filter comprises a top cover, a purification chamber, a dust removal chamber and an ash hopper, wherein an air inlet pipe is mounted on the side wall of the dust removal chamber, and an air outlet pipe is mounted on the side wall of the purification chamber; the purification chamber and the dust removal chamber are isolated by a porous plate; cartridges are mounted at pores of the porous plate, upper ends of the cartridges are sealed and fixed with the pores of the porous plate, and the lower ends are fixed on a support reticular plate; the support reticular plate is fixed between the dust removal chamber and the ash hopper; an electrostatic generator is further mounted outside the dust removal chamber and comprises a reversing switch; electrostatic tubes are coaxially arranged in the cartridges, and lower ends of the electrostatic tubes are mounted on the support reticular plate; the electrostatic tubes are electrically connected with the electrostatic generator. The double-cartridge filter can promote dust to be attached to the cartridges rapidly, realizes efficient dust removal and can clean ash simply and rapidly.

The invention discloses an electrical precipitator, comprising a dedusting main body with an electric field polar plate arranged inside the dedusting main body, and an inlet loudspeaker and an outlet loudspeaker which are arranged on two ends of the dedusting main body, wherein the dedusting main body comprises a plurality of dedusting sections in which cross sectional area nearby the outlet loudspeaker end is larger than that nearby the inlet loudspeaker. After smoke enters the electrical precipitator through the inlet speaklouder, large dust particle with strong charge is collected by the front dedusting sections with small cross sectional area under actions of natural sedimentation and electric field force; the residual fine dust is collected by the back dedusting sections with large cross sectional area. As the back dedusting sections have large cross sectional area, the flow velocity of the dusty gas declines so as to increase residence time, charged time and time of motion under the electric field force of the fine dust in the dedusting sections, so that the dust is easy to charge or deposit on the polar plate; therefore, the dedusting efficiency is improved, the dust emission is reduced and the excessive emission is avoided.

The present invention relates to a gas box type pulse dust remover, which comprises a dust remover housing, an ash hopper, an ash discharging device, a dust remover bracket, an air inlet, an air outlet pipe and an ash cleaning control box, wherein the air inlet is arranged outside the ash hopper, and the upper portion of the ash hopper is connected with the ash discharging device and the air outlet pipe. According to the present invention, separation plates are adopted to separate into a plurality of independent dust collection chambers, ash cleaning is performed on every dust collection chamber according to a given time interval, and when the one dust collection chamber is subjected to injection ash cleaning, filtration air flow is cut off so as to avoid secondary dust flying due to injection ash cleaning, such that gas containing dust with a concentration of up to 1000 g/m<3> can be caught.

The invention provides a magnetic foam dust remover capable of recycling foam concentrate and a using method thereof. The magnetic foam washer comprises a ventilating duct. The ventilating duct is provided with a foamer storage tank on the outer side; the foamer storage tank is connected to a two-stage proportional mixer through a first pipette; the two-stage proportional mixer is connected to self-aspirating magnetic foam making equipment; the self-aspirating magnetic foam making equipment is connected to a nozzle or/and a drainage mesh through a magnetic foam conveying pipe; an ultrasonic foam breaker is arranged behind the drainage mesh; a spiral extrusion device is arranged below the ultrasonic foam breaker; a recovered solution storage tank is arranged below the spiral extrusion device; the recovered solution storage tank is connected to the two-stage proportional mixer. According to the invention, magnetic foam generated by the magnetic foam dust remover is capable of capturing dust in dust-contained airflow, dust and foam separation of dust-contained foam concentrate is realized, dust can be stored in a concentrated way after being gathered, the foam concentrate can be further recycled, re-entrain dust is avoided, the utilization efficiency of the foamer is improved, the operating cost of the device is effectively reduced, and the adverse influence on the working environment caused by discharging foam freely is avoided.

Provided is an environment-friendly mobile collecting box for decoration cutting dust. The mobile collecting box comprises a box body, wherein a water tank is fixedly mounted on one side of the bottomsurface of the inner wall of the box body, the bottom surface and the outer side of the water tank are fixedly connected to the inner wall of the box body separately, the inner side of the water tankis fixedly connected to one side of the box body, and openings are formed in the top surface and the other side of the box body; a first through hole is formed in the bottom of the inner side of theinner wall of the water tank, a switching valve is disposed in the first through hole, and a second through hole is formed in one side of the box body; the interior of the first through hole communicates with the interior of the second through hole, and the second through hole communicates with the interior of the box body; the top surface of the water tank is fixedly connected to one end of a hose, and the other end of the hose is arranged in the box body, and a floating plate is fixedly mounted on the periphery of the other end of the hose. Sediment in the box body can be pushed directly into the garbage bag through cooperative use of a mud box and a garbage bag, and the mud box can be taken and placed freely; after the mud box is taken out, a sealing cap of the garbage bag containing the sediment is removed, and after the garbage bag is replaced by a new garbage bag, the mud box is put back, and the sediment is not in contact with the mud box, and cleaning of the mud box by a user is not needed, so that time and labor are saved.

The invention provides an air box pulse bag dust collector. The air box pulse bag dust collector comprises a stand column (7), a box body (3) fixed at the upper part of the stand column (7), an ash bucket (5) fixed at the lower part of the stand column (7), an air storage tank (1) connected with the box body (3), a plurality of filter bags in the box body (3), lifting valves (2) connected with the filter bags, and a turbine (8) and a screw conveyer (6) which are connected with the ash bucket (5), wherein two guardrails (4) are arranged at the outer side of the stand column (7) and the top of the box body respectively, and the filter bags are connected with the lifting valves (2) in one-to-one correspondence. The air box pulse bag dust collector has the technical effects that back-blowing injection dust removal is adopted, so that secondary flying of dust can be avoided. The dust collector is simple and convenient to maintain, improves the use adaptation and the dust collection efficiency and prolongs the service lives of the filter bags. The air box pulse bag dust collector can be used for treating dust-containing gas with common concentration and dust-containing gas with the concentration of 1000g/Nm.

The invention discloses a sintering smoke dust treating device. The sintering smoke dust treating device comprises a vacuum box, a large flue, a fan, a silencer, a flue water sealing device, a water-sealed chain-driving machine and a belt conveyor, wherein the output end of the vacuum box is connected with the input end of the large flue; the output end of the large flue is connected with the input end of the fan; the output end of the fan is connected with the input end of the silencer; the flue water sealing device is connected between the large flue and the fan and comprises a flue body; an ash collecting hopper is arranged on the circumferential wall surface of the flue body and communicated with the flue; the other end of the ash collecting hopper is connected with one end of an ash discharging pipe; the output end of the water-sealed chain-driving machine is positioned above the belt conveyor; the water-sealed chain-driving machine consists of a water tank and a zipper; the zipper is mounted at the bottom of the water tank; the other end of the ash discharging pipe is inserted into the water tank of the water-sealed chain-driving machine. According to the device, the treatment efficiency of the smoke dust of fume passing through the flue is improved, and the phenomenon of valve sticking is avoided.

The invention discloses an ILC single-field low-voltage control system. The ILC single-field low-voltage control system comprises an electric field vibration control module, an ash hopper control module, a heating control module, a working mode selection module and a warning module, wherein the electric field vibration control module is connected with vibration equipment and is used for controlling the vibration time sequence of an electric field; the ash hopper control module is connected with ash unloading equipment and is used for controlling the working process of an ash hopper; the heating control module is connected with heating equipment and is used for controlling the heating temperature and the heating process; the working mode selection module is connected with the vibration equipment, the ash unloading equipment and the heating equipment and is used for selecting the automatic, manual and stop working modes of the vibration equipment, the ash unloading equipment and the heating equipment; the warning module is connected with the vibration equipment, the ash unloading equipment and the heating equipment, and is used for warning when the vibration equipment, the ash unloading equipment and the heating equipment break down. The ILC single-field low-voltage control system can conveniently realize reasonable programming of the vibration time sequence of the electric field, so that secondary fly-up is avoided, and the dust collection efficiency is improved.

An ultrasonic nano-biology self-cleaning-type joint heat-insulation film static dust removal device is characterized in that the ultrasonic nano-biology self-cleaning-type joint heat-insulation film static dust removal device comprises an ultrasonic vibration system (1), a dust removal system (2) and a heat insulation system (3); the dust removal system (2) comprises an inlet (202), an outlet (217), a dust discharging opening (219) and a shell (201); the ultrasonic vibration system (1) is used for enabling dust collected by a circular dust collecting pole (205) to fall into the dust discharging opening (219) in a vibrated mode, the ultrasonic vibration system (1) is mounted on the upper portion of the dust removal system (2) and connected with a dust collecting pole upper portion support (208) through a magnitude-variable rod (103), and the magnitude-variable rod transmits ultrasonic vibration to the circular dust collecting pole (205) through the dust collecting pole upper portion support (208); and heat insulation system (3) is used for enabling the dust removal system (2) to be in a constant-temperature work state so as to ensure the stability of the dust removal efficiency. Theultrasonic nano-biology self-cleaning-type joint heat-insulation film static dust removal device is simple in structure, good in dust removal effect and convenient to clean.

The invention discloses an ash unloading device for a large drop ash field, and belongs to the field of ash conveying. The ash unloading device for the large drop ash field comprises a material receiving hopper, wherein the discharging opening of the material receiving hopper is provided with a curved ash conveying pipe, the discharging opening of the curved ash conveying pipe is provided with a closed material bin, the closed material bin comprises a cylindrical upper end and an inverted circular truncated cone-shaped contractable end, and an ash unloading valve is arranged at the bottom of the contractable end. When ash material in the material receiving hopper falls into the curved ash conveying pipe, the ash material falls under the action of gravity and is continuously accelerated, the fallen ash material continuously impacts the inner wall of the curved ash conveying pipe due to the existence of the curved ash conveying pipe, the deceleration effect is achieved, and the ash material falling speed is controlled; the device is of a fully closed structure, and thus the occurrence of the flying ash condition generated in the ash unloading process is avoided; and on the other hand, due to the existence of the curved ash conveying pipe, the fallen ash material continuously impacts the inner wall of the curved ash conveying pipe, the deceleration effect is achieved, the fallingspeed of the ash material is controlled, so that the source for generating flying ash is further reduced, and secondary flying, caused by too fast speed during ash unloading and conveying, of the ashis prevented.