CN103817009A - Honeycomb electrofilter with high flow rate - Google Patents
Honeycomb electrofilter with high flow rate Download PDFInfo
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- CN103817009A CN103817009A CN201410092217.XA CN201410092217A CN103817009A CN 103817009 A CN103817009 A CN 103817009A CN 201410092217 A CN201410092217 A CN 201410092217A CN 103817009 A CN103817009 A CN 103817009A
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Abstract
The invention relates to the technical field of electric filtration and purification, in particular to a honeycomb electrofilter with a high flow rate. According to the honeycomb electrofilter, a power supply control cabinet is connected with a high pressure generator connected with china bottle pull rods; sleeve insulating boxes are arranged at the top of a cylinder; sleeve insulating pieces and the china bottle pull rods are fixedly connected to form a whole and are fixedly connected with an upper hanging bracket, the upper hanging bracket is connected with a barb corona electrode, both a collecting electrode and the barbed corona electrode are arranged between the upper hanging bracket and a lower hanging bracket, and gas distribution plates are arranged below the lower hanging bracket; and an anti-swing suspension, the barbed corona electrode, the collecting electrode and the gas distribution plates are arranged in the cylinder, a gas inlet is formed in the lower part of one side of the cylinder, a gas outlet is formed in the center of the top of a tar precipitating body, and a tar outlet is formed in the lower part of the cylinder. According to the honeycomb electrofilter, the electrofiltration and purification problems of gas when the air speed of a gas electric field is 3-4 m/s are solved, the steel consumption of an equipment body is reduced, and at the same time, the corona power of the electric field is increased, so that the electrofiltration efficiency is improved.
Description
Technical field
The present invention relates to electrofiltration purification techniques field, especially relate to a kind of high flow rate honeycomb fashion electrofilter that foreign gas is carried out to electrofiltration purification by electrostatic precipitation.
Background technology
In electrostatic separation and in purifying, the negative high voltage access corona discharge electrode formation discharge electrode that relies on high-voltage DC power supply to produce, and between ground connection anode, framework becomes a non-uniform electric field.After exceeding certain limit, electric-field intensity produces corona discharge between negative and positive the two poles of the earth.To gas ionization mobile in electric field, produce a large amount of free electrons and cation.Charged particle is driven toward anode by the effect of Coulomb force in electric field, and arrival anode surface is emitted electrically charged and heavy collection and on positive plate, completed separation.
Traditional electrical filter is that to do power supply output average voltage by single-phase constant-current source lower; Corona discharge electrode system hangs upper and lower suspension bracket in insulated case by suspension hook, single diameter 2.5mm left and right stainless steel wire does corona discharge electrode and hangs on over sling, under corona discharge electrode, hangs weight, between corona discharge electrode and honeycomb panel, forms field operation; The connection of suspension hook suspension bracket and the corona discharge electrode etc. of this form all adopts to live and connects, and is easy to swing, for the normal operation that guarantees equipment is often controlled at gas flow rate below 1.2m/s under high gas flow rate; So just bring because strengthening electric field sectional area the problem that equipment steel quantity consumption is large, floor space is large, device diameters has been had to the occasion of specific (special) requirements, as the purification of desulfurated plaster rain, cannot adopt this kind equipment at all; Single phase poaer supply also exists output voltage ripple coefficient large simultaneously, the problems such as corona discharge power is low, alternate imbalance.
Also do not have at present effective scheme to solve the problems referred to above.
Summary of the invention
The invention provides a kind of high flow rate honeycomb fashion electrofilter, the invention solves the electrofiltration purifying problem of gas field gas velocity gas in the time of 3-4m/s, reduced the steel quantity consumption of apparatus body, improved the corona discharge power of electric field simultaneously, thereby improved electrofiltration efficiency.
In order to solve the problems of the technologies described above, the invention provides a kind of high flow rate honeycomb fashion electrofilter, comprising: three-phase thyristor constant-current high-voltage DC power supply and catch burnt body; Described three-phase thyristor constant-current high-voltage DC power supply comprises electrical power control cabinet and high pressure generator; Describedly catch burnt body and comprise cylindrical shell, barbed nail corona electrode, anti-swinging hanging, receiving electrode, gas feed, gas vent, air dividing plate and tar outlet; Described anti-swinging hanging comprises sleeve pipe insulated case, sleeve pipe insulating part, porcelain vase pull bar, over sling and lower suspension bracket;
Described electrical power control cabinet is connected with described high pressure generator, described high pressure generator is connected with described porcelain vase pull bar, described cylindrical shell top is provided with described sleeve pipe insulated case, described sleeve pipe insulating part and described porcelain vase pull bar are the inside that an entirety being fixedly connected with fixedly hangs on described sleeve pipe insulated case, described sleeve pipe insulating part is that the entirety being fixedly connected with is fixedly connected with described over sling with described porcelain vase pull bar, described over sling is connected with described barbed nail corona electrode, described receiving electrode and described barbed nail corona electrode are all located between described over sling and described lower suspension bracket, described air dividing plate is located at the below of described lower suspension bracket, described anti-swinging hanging, described barbed nail corona electrode, described receiving electrode and described air dividing plate are located at the inside of described cylindrical shell, one side lower part of described cylindrical shell is provided with described gas feed, described in being located at, described gas vent catches the top center of burnt body, described tar outlet is located at the bottom of described cylindrical shell.
Preferably, described gas vent is to be located at a flange hole of catching burnt bodies top center.
Be more preferably, described air dividing plate is located at the inner barrel at the 1.2m place, bottom of described lower suspension bracket.
Be more preferably described cylindrical shell ground connection.
Be more preferably, described electrical power control cabinet comprises control system, three-phase thyristor regulating circuit and three-phase current-limiting reactor; Described control system, for the output voltage of automation control three-phase thyristor regulating circuit, realizes constant current output; Described three-phase thyristor regulating circuit, for by after three phase mains inverse parallel pressure regulation, arrives described three-phase current-limiting reactor by described control system constant current output; Described three-phase current-limiting reactor is used for limiting maximum output current, and outputs to described high pressure generator; Described maximum output current is 2.5 times of rated operational current.
Be more preferably, described control system comprises: PLC, control panel, PID controller, voltage controlled oscillator summation current transformer; Described PID controller and described voltage controlled oscillator are all located on described control panel, and described PLC is connected with described current transformer with the described voltage controlled oscillator of described control panel, and described voltage controlled oscillator is connected with described three-phase thyristor regulating circuit.
Be more preferably, the described PLC in described control system is used for replacing the given electric current of potentiometer, and the inner threshold level 0～10V arranging of described PLC is given to described control panel; Described current transformer samples the electric current of described three-phase thyristor regulating circuit and is converted to 0～10V Voltage Feedback to described control panel; Given and feedback is sent into the described PID controller in described control panel jointly; The voltage of feedback and given 0～10V level carry out PID computing by described PID controller and form constant current voltage, and the output of described three-phase thyristor regulating circuit is adjusted to constant current voltage by constant current voltage, realizes constant current; Described control panel inside is provided with a described voltage controlled oscillator, and described voltage controlled oscillator is exported the constant current voltage of 0～10V through being converted to frequency.
Be more preferably, described control system also comprises synchrotrans, and described synchrotrans provide synchronizing signal for triggering IGCT.
Be more preferably, described three-phase thyristor regulating circuit adopts isplsi1016 internal counter; Described isplsi1016 internal counter is for having counted phase shift, i.e. timing; Determine to trigger the IGCT pulse moment out, i.e. output voltage; Described three-phase thyristor regulating circuit comprises six IGCTs.
Be more preferably, described three-phase current-limiting reactor is processed into port type iron core both sides by silicon steel sheet and forms around copper strips, the maximum output current when limiting load generation flashover.
Be more preferably, described high pressure generator is for by the ac high-voltage rectification of described three-phase current-limiting reactor output and form DC high-voltage and catch burnt body power supply described in flowing to; Described high pressure generator comprises high-tension transformer and silicon rectifier; Described high-tension transformer is connected with described silicon rectifier, and described three-phase current-limiting reactor is connected with described high-tension transformer, and described silicon rectifier is caught burnt body and is connected with described; Described high-tension transformer is for boosted voltage, and described silicon rectifier carries out rectification for the voltage after raising, and forms negative high voltage, catches burnt body described in sending into.
Be more preferably, the voltage of 0～380V is risen to 0～55000V by described high-tension transformer, and realization is boosted, then form 0～72000V negative high voltage after described silicon rectifier rectification, catches burnt body described in finally sending into.
Be more preferably, described high-tension transformer input adopts triangle connected mode, and described high-tension transformer is three-phase high-voltage transformer, and each has two terminals mutually, and the head end that the tail end of a phase is connect to another phase forms the connection of three-phase triangle.
Be more preferably, described anti-swinging hanging comprises: sleeve pipe insulating part, porcelain vase pull bar, sleeve pipe insulated case, over sling and lower suspension bracket; Described porcelain vase pull bar is fixed on described sleeve pipe insulating part, and described sleeve pipe insulating part is fixedly connected with described sleeve pipe insulated case; Described porcelain vase pull bar is that the entirety that bolt is fixedly connected with is fixedly connected with by the outstanding part bolt of upper hanger and described over sling with described sleeve pipe insulating part; The outstanding part of described over sling and over sling is welded as non-disconnectable overall structure, and described over sling is fixedly connected with by suspension bracket stay-bolt with described lower suspension bracket.
Be more preferably, described porcelain vase pull bar lower end is with fixed cover, described porcelain vase pull bar upper end is screw thread, and described porcelain vase pull bar upper end is locked on described sleeve pipe insulating part by nut, pressing plate, and described sleeve pipe insulating part is that nut compression is connected with described sleeve pipe insulated case.
Be more preferably, described sleeve pipe insulating part is porcelain vase.
Be more preferably, the external screw thread that described upper hanger upper end is M56 × 2, described upper hanger lower end is screw rod, and described upper hanger upper end adopts the external screw thread of M56 × 2 to dock with described porcelain vase pull bar, and described upper hanger lower end adopts bilateral double nut to lock the outstanding part of described over sling.
Be more preferably, described suspension bracket pull bar two ends are 8.8 grades of screw rods, described suspension bracket pull bar is the hollow structure of φ 57mm, the upper and lower side of described suspension bracket pull bar all locks by bilateral double nut, the upper end of described suspension bracket pull bar penetrates the square tube girder of described over sling, the upper end of described suspension bracket pull bar adopts bilateral double nut to be locked on square tube girder, and the lower end of described suspension bracket pull bar adopts bilateral double nut to be locked on the outstanding part of lower suspension bracket; The outstanding part of lower suspension bracket and described lower suspension bracket are non-disconnectable overall structure.
Be more preferably, described sleeve pipe insulated case is 4.
Be more preferably, described barbed nail corona electrode comprises: landing nipple, anchor tip, prickle pipe, prickle and corona discharge electrode regulate horizontal hook; One end of described landing nipple regulates horizontal hook to be connected by nut and described corona discharge electrode; The other end of described landing nipple is connected with one end welded type of the described prickle pipe of first joint; The other end of the described prickle pipe of first joint is connected with one end welded type of prickle pipe described in middle node by anchor tip, described in middle node, the other end of prickle pipe is connected with one end welded type of prickle pipe described in periproct by described anchor tip, described in periproct, the other end of prickle pipe is connected with one end welded type of described landing nipple, and the other end of described landing nipple regulates horizontal hook to be connected by upper and lower double nut and described corona discharge electrode; Described prickle is embedded to be inserted on described prickle pipe.
Be more preferably, described anchor tip is screw rod and the nut that adopts spiral docking to connect, and spiro rod length is 35～45mm; Described landing nipple is screw rod joint, and screw rod joint length is 90～110mm; Described prickle pipe is internal diameter 14mm, the steel pipe of external diameter 18mm; Described prickle diameter is 2mm.
Be more preferably, described prickle spacing is spiral being arranged on described prickle pipe evenly; Adjacent described prickle is spaced apart 20mm on described prickle pipe; Angle between adjacent described prickle is 60 °; Described prickle pipe quantity is 3; The quantity of described prickle is 220～270.
Operation principle of the present invention is:
Outside alternating current is by the constant current switch board output direct current of three-phase thyristor constant-current high-voltage DC power supply, high pressure generator through three-phase thyristor constant-current high-voltage DC power supply boosts, and rectification produces negative high voltage electricity, high pressure generator is connected on the top of the porcelain vase pull bar of the anti-swinging hanging in sleeve pipe insulated case by high-tension cable, negative high voltage electricity is delivered to the barbed nail corona electrode of catching burnt body through the over sling of anti-swinging hanging, barbed nail corona electrode (negative electrode) forms electric field at center and the receiving electrode (anode) of receiving electrode, when electric-field intensity exceedes certain limit (40KV), two inter-stages at negative electrode and anode produce corona discharge, now, the gas of electric field region of flowing through ionizes, produce a large amount of ion and electronics, gas containing tar impurity enters through the gas feed of catching burnt body, the flow through air dividing plate of electrofilter, gas uniform containing tar impurity on air dividing plate distributes, contain the gas of tar impurity when through electric field, ion in electric field and electronics are combined and are charged, under the effect of electric field force, to negative and positive two polar motions, because electron mass is little, movement velocity is fast, spatial distribution is wide, so, electronegative electronics moves to receiving electrode (honeycomb), after arriving receiving electrode (honeycomb), neutralize electronegative electronics, rely on remaining electrostatic attraction and intermolecular cohesiveness, first be adsorbed in receiving electrode (honeycomb), then by self gravitation, fall along receiving electrode (honeycomb), export discharge by tar, the gas of cleaning after treatment is discharged through the gas vent of catching burnt body top, in whole process, containing the tar in the gas of tar impurity, dust and water smoke are removed clean, purify gas.
(1), in the time that gas flow rate reaches 3-4m/s, traditional corona suspension is with regard to cisco unity malfunction.Because the power that the high corona suspension of gas flow rate is subject to is just large, especially easily swings and cause corona discharge electrode and the unsafe phenomenons such as arcing electric discharge that are shaped as of receiving electrode spacing.For solve swing Design of Problems corona discharge electrode anti-swinging hanging:
Porcelain vase pull bar is fixed on sleeve pipe insulating part, and sleeve pipe insulating part is fixedly connected with sleeve pipe insulated case; Porcelain vase pull bar is that the entirety that bolt is fixedly connected with is fixedly connected with by the outstanding part bolt of upper hanger and over sling with sleeve pipe insulating part; The outstanding part of over sling and over sling is welded as non-disconnectable overall structure, and over sling is fixedly connected with by suspension bracket stay-bolt with lower suspension bracket.Whole corona discharge electrode anti-swinging hanging is fixedly connected with by hinged being entirely designed to of traditional activity from top to bottom, has eliminated the movable amount of freedom at each connection segment place, prevents that whole corona discharge electrode from freely swinging.
Porcelain vase pull bar lower end is with fixed cover, and porcelain vase pull bar upper end is screw thread, and porcelain vase pull bar upper end is locked on sleeve pipe insulating part by nut, pressing plate, and sleeve pipe insulating part is that nut compression is connected with sleeve pipe insulated case.
Upper hanger upper end is the external screw thread of M56 × 2, and upper hanger lower end is screw rod, and upper hanger upper end adopts the external screw thread of M56 × 2 to dock with porcelain vase pull bar, and upper hanger lower end adopts the outstanding part of bilateral double nut locking over sling; Install with maintenance and independently change, repair and maintenance is convenient and time-saving laborsaving.
Suspension bracket pull bar two ends are 8.8 grades of screw rods, suspension bracket pull bar is the hollow structure of φ 57mm, early stage, thin round steel type slenderness ratio was more reasonable, the upper and lower side of suspension bracket pull bar all locks by bilateral double nut, the upper end of suspension bracket pull bar penetrates the square tube girder of over sling, the upper end of suspension bracket pull bar adopts bilateral double nut to be locked on square tube girder, and the lower end of suspension bracket pull bar adopts bilateral double nut to be locked on the outstanding part of lower suspension bracket; The outstanding part of lower suspension bracket and lower suspension bracket are non-disconnectable overall structure.
(2) traditional corona electrode hangs on over sling by single stainless steel wire, and this corona discharge electrode electric property is poor, discharge inception voltage is high and current density is low, and corona current is low is not enough to process ionisation of gas under high flow rate.This corona discharge electrode is easily struck off and is caused equipment short trouble in discharge process simultaneously.Designed barbed nail corona electrode for this reason:
One end of landing nipple regulates horizontal hook to be connected by nut and corona discharge electrode; The other end of landing nipple is connected with one end welded type of first joint prickle pipe; The other end of first joint prickle pipe is connected with one end welded type of middle node prickle pipe by anchor tip, the other end of middle node prickle pipe is connected with one end welded type of periproct prickle pipe by anchor tip, the other end of periproct prickle pipe is connected with one end welded type of landing nipple, and the other end of landing nipple regulates horizontal hook to be connected by upper and lower double nut and corona discharge electrode; Prickle is embedded to be inserted on prickle pipe.
Anchor tip is screw rod and the nut that adopts spiral docking to connect, and spiro rod length is 35～45mm.Landing nipple is screw rod joint, and screw rod joint length is 90～110mm.Prickle pipe is internal diameter 14mm, the steel pipe of external diameter 18mm; Prickle diameter is 2mm.
Prickle spacing is spiral being arranged on prickle pipe evenly; Adjacent prickle is spaced apart 20mm on prickle pipe; Angle between adjacent prickle is 60 °; Prickle pipe quantity is 3; The quantity of prickle is 220～270.
Whole corona discharge electrode is from top to bottom by the bolt docking of detachably spinning, simple in structure, convenient installation.
(3) under high flow rate, gas ionization needs higher voltage of electric field and electric current, and traditional single phase constant-current source can not meet the needs of high flow rate gas ionization.Therefore designed three-phase thyristor high-voltage DC power supply:
The circuit control principle of this power supply is: control system control three-phase thyristor regulating circuit output voltage is at 0～380V voltage, this output voltage connects high pressure generator after connecting three-phase current-limiting reactor again, high pressure generator can be exported the high pressure at 0～72KV, and the output high pressure of high pressure generator is connected to catches burnt body.
For completing the major function of this power supply: three-phase input, constant current, high voltage functionality, implementation procedure is:
Three-phase thyristor regulating circuit three-phase input voltage;
The electric current of control system sampling three-phase thyristor regulating circuit, the PLC in control system is used for replacing the given electric current of potentiometer, and the inner level 0～10V arranging of PLC is given to control panel; The electric current of current transformer sampling three-phase thyristor regulating circuit is also converted to 0～10V Voltage Feedback to control panel; Given and feedback is sent into PID controller in control panel jointly; The voltage of feedback and given 0～10V level carry out PID computing by PID controller and form constant current voltage, and the output of described three-phase thyristor regulating circuit is adjusted to constant current voltage by constant current voltage, thereby realize constant current; There is a voltage controlled oscillator control panel inside, and the constant current voltage of 0～10V is converted to frequency output by voltage controlled oscillator; Counted phase shift by the isplsi1016 internal counter of three-phase thyristor regulating circuit again, i.e. timing, determines to trigger the IGCT pulse moment out, i.e. output voltage;
The voltage of 0～380V is risen to 0～55000V by the high-tension transformer of high pressure generator, and realization is boosted, then form 0～72000V negative high voltage after the silicon rectifier rectification of high pressure generator, finally sends into and catch burnt body.High voltage silicon rectifier stack is to be composed in series by many kenotrons (silicon grain), and wherein high pressure range is 10KV-90KV; High-tension transformer input adopts triangle connected mode, can effectively reduce primary current loss.
Three-phase current-limiting reactor is mainly catching in the short circuit of burnt body generating electrodes and arc discharge 3.3ms 2.5 times at operating current by current limit, beyond 3.3ms by PID controller regulation output electric current.
In control mode, be provided with: phase sequence self-adaption, constant current, load open circuit control, overcurrent, automatic optimal and flashover control, realized equipment Automatic Control and on-the-spot unmanned.
Phase sequence self-adaption: three-phase synchronous signal is sent into after extensive programmable logic integrated circuit isplsi1016 internal counter, isplsi1016 internal counter can be take wherein one mutually as reference, calculate the time that other two-phase arrives, if the time that the time that two-phase arrives in addition and the other two-phase of three-phase synchronous signal arrive is corresponding successively, closes internal digital switch and send positive phase sequence trigger impulse; If the time interleaving correspondence that the other two-phase of the time arriving and three-phase synchronous signal arrives, starts internal digital switch, send negative-phase sequence trigger impulse.
PLC has realized gamut constant current.
Load open circuit control: in the time catching burnt body generation open circuit; the output voltage of high-tension transformer can rise rapidly; the rectification silicon stack that can puncture high pressure generator is used porcelain vase with being connected; load open circuit control circuit can block rapidly output; protection rectification silicon stack and the safety being connected with porcelain vase; PLC can provide fault-signal code, notice host computer.
Overcurrent is by the sampling of three-phase input current Current Transformer, compares with the 0-10V threshold level arranging, and excessively after threshold level, exports high level three-phase thyristor regulating circuit is output as to zero.
Automatic optimal and flashover control: in the time catching burnt body interior generation flashover, PLC can reduce output voltage to the generation to eliminating flashover by each 5% amplitude automatically, and keeps this voltage; When eliminating flashover after 5 minutes, PLC can return to primary voltage by output voltage, is beneficial to the raising of oil removal efficiency.While there is arc discharge, control loop can reduce to zero by the voltage of three-phase thyristor pressure regulation output, realizes arc extinguishing, maintains and again output voltage is risen to primary voltage 3 seconds.
Wherein, isplsi1016 is extensive programmable logic integrated circuit, isplsi1016 is the ISP(online programmable that Lai Disi (Lattice) semiconductor company provides) CPLD (CPLD), isplsi1016 has 16 programmable logic unit, each logical block can be write out needed logic function by programming, and 16 logical blocks can form more complicated logic function.Isplsi1016 is extensive programmable logic integrated circuit, can form various digital circuits and complex logic circuit by programming, the formation counter of also can programming, and the counter that wherein major function of the present invention forms by inside programming completes.
Wherein, described PID(ratio (proportion), integration (integration), differential (differentiation)) controller is as existing more than the 70 year history of practical the earliest controller, remains now most widely used industrial control unit (ICU).PID controller is easily understood, and does not need the prerequisites such as accurate system model in use, thereby becomes the controller being most widely used.
The present invention compared with prior art, has following beneficial effect:
The invention provides a kind of high flow rate honeycomb fashion electrofilter, mainly formed by three-phase thyristor high-voltage DC power supply, corona discharge electrode anti-swinging hanging and barbed nail corona electrode.
Three-phase thyristor high-voltage DC power supply of the present invention can make up single-phase LC three-phase imbalance well, there is phase shortage loss, the deficiency that output ripple coefficient is large, adopt IGCT as master control device, compared with single-phase high voltage dc source, single-phase fully loaded output mean voltage is approximately 0.64 times of crest voltage, and the fully loaded output of three phase mains mean voltage is approximately 0.95 times of crest voltage, in flashover voltage one timing, three phase mains can effectively be exported larger electrical power; In actual motion, the power stage of three phase mains is 2 times of equal conditions single phase poaer supply; Improve the efficiency of electrofilter.
Corona discharge electrode anti-swinging hanging of the present invention can effectively overcome electric field electric discharge and air-flow applies external force impact to corona discharge electrode, keeps heteropole spacing, reduces and swings the electric discharge phenomena that cause, thereby can improve working voltage and power and can promote the operating efficiency of complete machine.
Barbed nail corona electrode of the present invention can effectively improve corona effects, reduces discharge inception voltage, increases electric current, improves efficiency of dust collection.
The invention solves the electrofiltration purifying problem of gas field gas velocity gas in the time of 3-4m/s, reduced the steel quantity consumption of apparatus body, improved the corona discharge power of electric field simultaneously, thereby improved electrofiltration efficiency.The electrofiltration that the present invention is mainly used in the impure gases such as blue charcoal, thermoelectricity, metallurgy, oil shale, carbon element, building materials, pottery, flue gas purifies, and the extraction that also can be used for useful energy substance is reclaimed.
Accompanying drawing explanation
The structural representation of what Fig. 1 was exemplary show a kind of high flow rate honeycomb fashion of the present invention electrofilter;
The structural representation of what Fig. 2 was exemplary show corona discharge electrode anti-swinging hanging of the present invention;
The porcelain vase pull bar of what Fig. 3 was exemplary show corona discharge electrode anti-swinging hanging of the present invention is connected A-A side cross-section structure enlarged diagram with sleeve pipe insulated case;
The upper hanger of what Fig. 4 was exemplary show corona discharge electrode anti-swinging hanging of the present invention is connected B-B side cross-section structure enlarged diagram with the outstanding part of over sling;
The suspension bracket pull bar of what Fig. 5 was exemplary show corona discharge electrode anti-swinging hanging of the present invention is connected C-C side cross-section structure enlarged diagram with lower suspension bracket;
The structural representation of what Fig. 6 was exemplary show barbed nail corona electrode of the present invention;
The generalized section of what Fig. 7 was exemplary the show prickle pipe of barbed nail corona electrode of the present invention;
The local enlarged diagram of what Fig. 8 was exemplary the show prickle of barbed nail corona electrode of the present invention;
The structural representation of what Fig. 9 was exemplary show three-phase thyristor high-voltage DC power supply of the present invention.
Reference numeral shown in Fig. 1 is as follows: 1, electrical power control cabinet, 2, high pressure generator, 3, cylindrical shell, 4, air dividing plate, 5, barbed nail corona electrode, 6, receiving electrode, 7, gas feed, 8, gas vent, 9, tar outlet, 10, sleeve pipe insulated case, 11, porcelain vase pull bar, 12, sleeve pipe insulating part, 13, over sling, 14, lower suspension bracket;
Reference numeral shown in Fig. 2～5 is as follows: 1-1, sleeve pipe insulating part, 1-2, porcelain vase pull bar, 1-3, sleeve pipe insulated case, 1-4, upper hanger, 1-5, over sling, 1-6, the outstanding part of over sling, 1-7, suspension bracket pull bar, 1-8, lower suspension bracket, 1-9, nut, 1-10, pressing plate, 1-11, the outstanding part of lower suspension bracket, 1-12, bilateral double nut, 1-13, square tube girder;
Reference numeral shown in Fig. 6～8 is as follows: 2-1, landing nipple, and 2-2, prickle pipe, 2-3, anchor tip, 2-4, corona discharge electrode regulate horizontal hook, 2-5, prickle;
Reference numeral shown in Fig. 9 is as follows: 3-1, three-phase thyristor regulating circuit, and 3-2, three-phase current-limiting reactor, 3-3, high pressure generator, 3-4, catch burnt body, 3-5, control system;
In parts 3-1, SCR is IGCT;
In parts 3-5, TJ is control panel, and TA1 is primary current transformer, and TA2 is secondary current transformer, and L is three-phase power input end, the zero line that N is three phase mains.
The specific embodiment
The technical problem that solved for a better understanding of the present invention, the technical scheme providing, below in conjunction with drawings and Examples, be further elaborated to the present invention.Specific embodiment described herein is only in order to explain enforcement of the present invention, but is not intended to limit the present invention.
In a preferred embodiment, the structural representation of what Fig. 1 was exemplary show a kind of high flow rate honeycomb fashion of the present invention electrofilter, comprising:
Three-phase thyristor constant-current high-voltage DC power supply and catch burnt body; Described three-phase thyristor constant-current high-voltage DC power supply comprises electrical power control cabinet 1 and high pressure generator 2; Describedly catch burnt body and comprise cylindrical shell 3, barbed nail corona electrode 5, anti-swinging hanging, receiving electrode 6, gas feed 7, gas vent 8, air dividing plate 4 and tar outlet 9; Described anti-swinging hanging comprises sleeve pipe insulated case 10, sleeve pipe insulating part 12, porcelain vase pull bar 11, over sling 13 and lower suspension bracket 14;
Described electrical power control cabinet 1 is connected with described high pressure generator 2, described high pressure generator 2 is connected with described porcelain vase pull bar 11, described cylindrical shell 3 tops are provided with described sleeve pipe insulated case 10, described sleeve pipe insulating part 12 and described porcelain vase pull bar 11 fixedly hang on the inside of described sleeve pipe insulated case 10 for the entirety being fixedly connected with, described sleeve pipe insulating part 12 is that the entirety being fixedly connected with is fixedly connected with described over sling 13 with described porcelain vase pull bar 11, described over sling 13 is connected with described barbed nail corona electrode 5, described receiving electrode 6 and described barbed nail corona electrode 5 are all located between described over sling 13 and described lower suspension bracket 14, described air dividing plate 4 is located at the below of described lower suspension bracket 14, described anti-swinging hanging, described barbed nail corona electrode 5, described receiving electrode 6 and described air dividing plate 4 are located at the inside of described cylindrical shell 3, one side lower part of described cylindrical shell 3 is provided with described gas feed 7, described in being located at, described gas vent 8 catches the top center of burnt body, described tar outlet 9 is located at the bottom of described cylindrical shell 3.
In the embodiment being more preferably, described gas vent 8 is for being located at a flange hole of catching burnt bodies top center.
In the embodiment being more preferably, described air dividing plate 4 is located at cylindrical shell 3 inside at the 1.2m place, bottom of described lower suspension bracket 14.
In the embodiment being more preferably, described cylindrical shell 3 ground connection.
In the embodiment being more preferably, the structural representation of what Fig. 9 was exemplary show three-phase thyristor high-voltage DC power supply of the present invention; Described electrical power control cabinet comprises control system 3-5, three-phase thyristor regulating circuit 3-1 and three-phase current-limiting reactor 3-2; Described control system 3-5, for the output voltage of automation control three-phase thyristor regulating circuit 3-1, realizes constant current output; Described three-phase thyristor regulating circuit 3-1, for by after three phase mains inverse parallel pressure regulation, arrives described three-phase current-limiting reactor 3-2 by described control system 3-5 constant current output; Described three-phase current-limiting reactor 3-2 is used for limiting maximum output current, and outputs to described high pressure generator 3-3; Described maximum output current is 2.5 times of rated operational current.
In the embodiment being more preferably, described control system 3-5 comprises: PLC, control panel TJ, PID controller, voltage controlled oscillator summation current transformer; It is upper that described PID controller and described voltage controlled oscillator are all located at described control panel TJ, and described PLC is connected with described current transformer with the described voltage controlled oscillator of described control panel TJ, and described voltage controlled oscillator is connected with described three-phase thyristor regulating circuit 3-1.
In the embodiment being more preferably, the described PLC in described control system 3-5 is used for replacing the given electric current of potentiometer, and the inner threshold level 0～10V arranging of described PLC is given to described control panel TJ; Described current transformer samples the electric current of described three-phase thyristor regulating circuit 3-1 and is converted to 0～10V Voltage Feedback to described control panel TJ; Given and feedback is sent into the described PID controller in described control panel TJ jointly; The voltage of feedback and given 0～10V level carry out PID computing by described PID controller and form constant current voltage, and the output of described three-phase thyristor regulating circuit 3-1 is adjusted to constant current voltage by constant current voltage, realizes constant current; Described control panel TJ inside is provided with a described voltage controlled oscillator, and described voltage controlled oscillator is exported the constant current voltage of 0～10V through being converted to frequency.
In the embodiment being more preferably, described control system 3-5 also comprises synchrotrans, and described synchrotrans provide synchronizing signal for triggering IGCT.
In the embodiment being more preferably, described three-phase thyristor regulating circuit 3-1 adopts isplsi1016 internal counter; Described isplsi1016 internal counter is for having counted phase shift, i.e. timing; Determine to trigger the IGCT SCR pulse moment out, i.e. output voltage; Described three-phase thyristor regulating circuit 3-1 comprises six IGCT SCR.
Be more preferably, described three-phase current-limiting reactor 3-2 is processed into port type iron core both sides by silicon steel sheet and forms around copper strips, the maximum output current when limiting load generation flashover.
In the embodiment being more preferably, the structural representation of what Fig. 9 was exemplary show three-phase thyristor SCR high-voltage DC power supply of the present invention; Described high pressure generator 3-3 is for by the ac high-voltage rectification of described three-phase current-limiting reactor 3-2 output and form DC high-voltage and catch burnt body 3-4 power supply described in flowing to; Described high pressure generator 3-3 comprises high-tension transformer and silicon rectifier; Described high-tension transformer is connected with described silicon rectifier, and described three-phase current-limiting reactor 3-2 is connected with described high-tension transformer, and described silicon rectifier is caught burnt body 3-4 and is connected with described; Described high-tension transformer is for boosted voltage, and described silicon rectifier carries out rectification for the voltage after raising, and forms negative high voltage, catches burnt body 3-4 described in sending into.
In the embodiment being more preferably, the voltage of 0～380V is risen to 0～55000V by described high-tension transformer, and realization is boosted, then form 0～72000V negative high voltage after described silicon rectifier rectification, catches burnt body 3-4 described in finally sending into.
In the embodiment being more preferably, described high-tension transformer input adopts triangle connected mode, and described high-tension transformer is three-phase high-voltage transformer, and each has two terminals mutually, and the head end that the tail end of a phase is connect to another phase forms the connection of three-phase triangle.
In the embodiment being more preferably, the structural representation of what Fig. 2 was exemplary show corona discharge electrode anti-swinging hanging of the present invention; Described anti-swinging hanging comprises: sleeve pipe insulating part 1-1, porcelain vase pull bar 1-2, sleeve pipe insulated case 1-3, over sling 1-5 and lower suspension bracket 1-8; It is upper that described porcelain vase pull bar 1-2 is fixed on described sleeve pipe insulating part 1-1, and described sleeve pipe insulating part 1-1 is fixedly connected with described sleeve pipe insulated case 1-3; Described porcelain vase pull bar 1-2 is that the entirety that bolt is fixedly connected with is fixedly connected with the outstanding part 1-6 bolt of described over sling by upper hanger 1-4 with described sleeve pipe insulating part 1-1; The outstanding part 1-6 of described over sling 1-5 and over sling is welded as non-disconnectable overall structure, and described over sling 1-5 is fixedly connected with by suspension bracket pull bar 1-7 bolt with described lower suspension bracket 1-8.
In the embodiment being more preferably, the porcelain vase pull bar 1-2 of what Fig. 3 was exemplary show corona discharge electrode anti-swinging hanging of the present invention is connected A-A side cross-section structure enlarged diagram with sleeve pipe insulated case 1-3; Described porcelain vase pull bar 1-2 lower end is with fixed cover, described porcelain vase pull bar 1-2 upper end is screw thread, described porcelain vase pull bar 1-2 upper end is locked on described sleeve pipe insulating part 1-1 by nut 1-9, pressing plate 1-10, and described sleeve pipe insulating part 1-1 is that nut 1-9 compression is connected with described sleeve pipe insulated case 1-3.
In the embodiment being more preferably, described sleeve pipe insulating part 1-1 is porcelain vase.
In the embodiment being more preferably, the upper hanger 1-4 of what Fig. 4 was exemplary show corona discharge electrode anti-swinging hanging of the present invention is connected B-B side cross-section structure enlarged diagram with the outstanding part 1-6 of over sling; The external screw thread that described upper hanger 1-4 upper end is M56 × 2, described upper hanger 1-4 lower end is screw rod, described upper hanger 1-4 upper end adopts the external screw thread of M56 × 2 to dock with described porcelain vase pull bar 1-2, and described upper hanger 1-4 lower end adopts bilateral double nut 1-12 to lock the outstanding part 1-6 of described over sling.
In the embodiment being more preferably, the suspension bracket pull bar 1-7 of what Fig. 5 was exemplary show corona discharge electrode anti-swinging hanging of the present invention is connected C-C side cross-section structure enlarged diagram with lower suspension bracket 1-8; Described suspension bracket pull bar 1-7 two ends are 8.8 grades of screw rods, described suspension bracket pull bar 1-7 is the hollow structure of φ 57mm, the upper and lower side of described suspension bracket pull bar 1-7 all locks by bilateral double nut 1-12, the upper end of described suspension bracket pull bar 1-7 penetrates the square tube girder 1-13 of described over sling 1-5, it is upper that the upper end of described suspension bracket pull bar 1-7 adopts bilateral double nut 1-12 to be locked in square tube girder 1-13, and the lower end of described suspension bracket pull bar 1-7 adopts bilateral double nut 1-12 to be locked on the outstanding part 1-11 of lower suspension bracket; The outstanding part 1-11 of lower suspension bracket and described lower suspension bracket 1-8 are non-disconnectable overall structure.
In the embodiment being more preferably, described sleeve pipe insulated case 1-3 is 4.
In the embodiment being more preferably, the structural representation of what Fig. 6 was exemplary show barbed nail corona electrode of the present invention; Described barbed nail corona electrode comprises: landing nipple 2-1, anchor tip 2-3, prickle pipe 2-2, prickle 2-5 and corona discharge electrode regulate horizontal hook 2-4; One end of described landing nipple 2-1 regulates horizontal hook 2-4 to be connected by nut and described corona discharge electrode; The other end of described landing nipple 2-1 is connected with one end welded type of the described prickle pipe 2-2 of first joint; The other end of the described prickle pipe 2-2 of first joint is connected with one end welded type of prickle pipe 2-2 described in middle node by anchor tip 2-3, described in middle node, the other end of prickle pipe 2-2 is connected with one end welded type of prickle pipe 2-2 described in periproct by described anchor tip 2-3, described in periproct, the other end of prickle pipe 2-2 and one end welded type of described landing nipple 2-1 are connected, and the other end of described landing nipple 2-1 regulates horizontal hook 2-4 to be connected by upper and lower double nut and described corona discharge electrode; Described prickle 2-5 is embedded to be inserted on described prickle pipe 2-2.
In the embodiment being more preferably, described anchor tip 2-3 is screw rod and the nut that adopts spiral docking to connect, and spiro rod length is 35～45mm; Described landing nipple 2-1 is screw rod joint, and screw rod joint length is 90～110mm; Described prickle pipe 2-2 is internal diameter 14mm, the steel pipe of external diameter 18mm; Described prickle 2-5 diameter is 2mm.
In the embodiment being more preferably, the generalized section of what Fig. 7 was exemplary the show prickle pipe 2-2 of barbed nail corona electrode of the present invention; The local enlarged diagram of what Fig. 8 was exemplary the show prickle 2-5 of barbed nail corona electrode of the present invention; Described prickle 2-5 spacing is spiral being arranged on described prickle pipe 2-2 evenly; Adjacent described prickle 2-5 is spaced apart 20mm on described prickle pipe 2-2; Angle between adjacent described prickle 2-5 is 60 °; Described prickle pipe 2-2 quantity is 3; The quantity of described prickle 2-5 is 220～270.
Operation principle of the present invention is:
High flow rate honeycomb fashion electrofilter is boosted and send input equipment body anti-swinging hanging to barbed nail corona electrode corona to work through high pressure generator by three-phase thyristor DC power control cabinet output direct current.
High flow rate honeycomb fashion electrofilter boosts through high-tension cable input equipment body through high pressure generator after exporting direct current by the conversion of three-phase thyristor DC power control cabinet, high-tension cable is connected on the porcelain vase pull bar top of anti-swinging hanging, high-tension electricity is through each pull bar and over sling to barbed nail corona electrode, and corona discharge electrode forms field operation at honeycomb duct center and ground connection receiving electrode.
(1), in the time that gas flow rate reaches 3-4m/s, traditional corona suspension is with regard to cisco unity malfunction.Because the power that the high corona suspension of gas flow rate is subject to is just large, especially easily swings and cause corona discharge electrode and the unsafe phenomenons such as arcing electric discharge that are shaped as of receiving electrode spacing.For solve swing Design of Problems corona discharge electrode anti-swinging hanging:
As shown in Fig. 2～Fig. 5, it is upper that porcelain vase pull bar 1-2 is fixed on sleeve pipe insulating part 1-1, and sleeve pipe insulating part 1-1 is fixedly connected with sleeve pipe insulated case 1-3; Porcelain vase pull bar 1-2 is that the entirety that bolt is fixedly connected with is fixedly connected with the outstanding part 1-6 bolt of over sling by upper hanger 1-4 with sleeve pipe insulating part 1-1; The outstanding part 1-6 of over sling 1-5 and over sling is welded as non-disconnectable overall structure, and over sling 1-5 is fixedly connected with by suspension bracket pull bar 1-7 bolt with lower suspension bracket 1-8.Whole corona discharge electrode hangs and is fixedly connected with by hinged being entirely designed to of traditional activity from top to bottom, has eliminated the movable amount of freedom at each connection segment place, prevents that whole corona discharge electrode from freely swinging.
Porcelain vase pull bar 1-2 lower end is with fixed cover, and porcelain vase pull bar 1-2 upper end is screw thread, and porcelain vase pull bar 1-2 upper end is locked on sleeve pipe insulating part 1-1 by nut 1-9, pressing plate 1-10, and sleeve pipe insulating part 1-1 is that nut compression is connected with sleeve pipe insulated case 1-3.
The external screw thread that upper hanger 1-4 upper end is M56 × 2, upper hanger 1-4 lower end is screw rod, and upper hanger 1-4 upper end adopts the external screw thread of M56 × 2 to dock with porcelain vase pull bar 1-2, and upper hanger 1-4 lower end adopts the outstanding part 1-6 of bilateral double nut 1-11 locking over sling; Install with maintenance and independently change, repair and maintenance is convenient and time-saving laborsaving.
Suspension bracket pull bar 1-7 two ends are 8.8 grades of screw rods, suspension bracket pull bar 1-7 is the hollow structure of φ 57mm, early stage, thin round steel type slenderness ratio was more reasonable, the upper and lower side of suspension bracket pull bar 1-7 all locks by bilateral double nut 1-12, the upper end of suspension bracket pull bar 1-7 penetrates the square tube girder 1-13 of over sling 1-5, it is upper that the upper end of suspension bracket pull bar 1-7 adopts bilateral double nut 1-12 to be locked in square tube girder 1-13, and the lower end of suspension bracket pull bar 1-7 adopts bilateral double nut 1-12 to be locked on the outstanding part 1-14 of lower suspension bracket; The outstanding part 1-14 of lower suspension bracket and lower suspension bracket 1-8 are non-disconnectable overall structure.
(2) traditional corona electrode hangs on over sling by single stainless steel wire, and this corona discharge electrode electric property is poor, discharge inception voltage is high and current density is low, and corona current is low is not enough to process ionisation of gas under high flow rate.This corona discharge electrode is easily struck off and is caused equipment short trouble in discharge process simultaneously.Designed barbed nail corona electrode for this reason:
As shown in Figure 6 to 8, one end of landing nipple 2-1 regulates horizontal hook 2-4 to be connected by nut and corona discharge electrode; The other end of landing nipple 2-1 is connected with one end welded type of first joint prickle pipe 2-2; The other end of first joint prickle pipe 2-2 is connected with one end welded type of middle node prickle pipe 2-2 by anchor tip 2-3, the other end of middle node prickle pipe 2-2 is connected with one end welded type of periproct prickle pipe 2-2 by anchor tip 2-3, the other end of periproct prickle pipe 2-2 is connected with one end welded type of landing nipple 2-1, and the other end of landing nipple 2-1 regulates horizontal hook 2-4 to be connected by upper and lower double nut and corona discharge electrode; Prickle 2-5 is embedded to be inserted on prickle pipe 2-2.
Anchor tip 2-3 is screw rod and the nut that adopts spiral docking to connect, and spiro rod length is 35～45mm.Landing nipple 2-1 is screw rod joint, and screw rod joint length is 90～110mm.Prickle pipe 2-2 is internal diameter 14mm, the steel pipe of external diameter 18mm; Prickle 2-5 diameter is 2mm.
Prickle 2-5 spacing is spiral being arranged on prickle pipe 2-2 evenly; Adjacent prickle 2-5 is spaced apart 20mm on prickle pipe 2-2; Angle between adjacent prickle 2-5 is 60 °; Prickle pipe 2-2 quantity is 3; The quantity of prickle 2-5 is 220～270.
Whole corona discharge electrode is from top to bottom by the bolt docking of detachably spinning, simple in structure, convenient installation.
(3) under high flow rate, gas ionization needs higher voltage of electric field and electric current, and traditional single phase constant-current source can not meet the needs of high flow rate gas ionization.Therefore designed three-phase thyristor high-voltage DC power supply:
As shown in Figure 9, after the sub-L of three phase mains access three-phase power input end, send in the IGCT SCR of three-phase thyristor regulating circuit 3-1, control system 3-5 controls three-phase thyristor regulating circuit 1-1 and realizes constant current, Constant Electric Current force feed after adjusting enters three-phase current-limiting reactor (NK) 3-2 to carry out sending into high pressure generator 3-3 after current limit again, the voltage of 0～380V is risen to 0～55000V by high pressure generator 3-3, after silicon rectifier rectification, forming 0～72000V negative high voltage sends into and catches burnt body 3-4, i.e. electrical tar precipitator.
Control section: three-phase synchronous signal is sent into the input terminal of control section by the sub-L of three-phase power input end, the trigger impulse lead-out terminal of control panel TJ is connected with the gate pole of IGCT SCR, for the correct IGCT SCR that triggers provides synchronizing signal; Sent the level value of constant current by PLC, IGCT meeting output voltage and output current, the detection of main circuit current is made up of six current transformer TA, and wherein three TA1 are transformers, and TA1 is punching transformer; Wherein three TA2 are secondary transformers, are equivalent to current transformer, and three transformer TA1 are transformed to little electric current, reality 5A/0.1A; Two terminals of every TA2 and two terminals of every TA1 are connected; Electric current after detection forms feedback current, the level value of sending constant current with PLC carries out PID computing, and the result of computing is exactly constant current signal, and this signal can form trigger impulse, send into the corresponding control utmost point of IGCT, thereby realize the constant of the adjusting of voltage and electric current.
Improve the arresting efficiency of electrical tar precipitator, improve the injecting power of electrical tar precipitator as far as possible, be beneficial to improve the migration velocity of tar droplet.
The raising of injecting power is exactly the raising of high pressure generator input voltage and electric current, high pressure generator has an optimum operating voltage, exceedes this voltage, and flashover can occur reactor, the height of crest voltage has determined flashover point, even produces electric arc and has a strong impact on electric fishing efficiency.
Specific embodiment:
Single phase poaer supply and three phase mains Data Comparison table under table 1, the same terms
| ? | Flashover point voltage KV | Secondary voltage KV | Secondary current mA | Corona discharge power KW |
| Single-phase constant-current source | 52 | 50 | 260 | 13 |
| Three-phase constant-current source | 67 | 62 | 650 | 40.3 |
| Three compare single-phase value added | ? | 12 | 390 | 27.3 |
| Three compare single-phase value added | ? | 24% | 150% | 210% |
Two kinds of corona discharge electrode secondary current contrast tables under table 2, the same terms, voltage
Table 1 through test draw: under identical operating mode the increased power of the power ratio single phase poaer supply of three phase mains 2.1 times; Flashover point voltage represents working limit voltage, when reaching the voltage of flashover point, cannot carry out work; Must guarantee just can maintain normal work below flashover point voltage.
In table 2, Single lead length is 4500mm, and positive plate is regular hexagon, and opposite side distance is from 250mm; Through test draw at gas high flow rate 3.5m/s in the situation that this system reliable, do not occur that corona discharge electrode swings the faults such as the flashover that causes, purification efficiency can reach 99.8%.With this system corona discharge power be former single phase poaer supply list with 3.1 times of corona discharge electrode power, improved greatly the power of cleaner.Be that in same units tolerance situation, lectotype selection can be dwindled 2-3 doubly, saved the steel quantity consumption of reaction vessel, reduce costs.
Table 3, the present invention and traditional electrical filter contrast table
Through test, as shown in table 3 when reliability service; Operation equipment 91 pipe honeycomb fashion electrofilters, treatment media coke-stove gas, tolerance 62000m
3/ h moves stable and reliable operation under field gas velocity 3.5m/s state.Compare the single-phase constant-current source of original system and process tolerance 20000m without anti-swinging hanging and the same 91 pipe honeycomb fashions of barbed nail corona electrode
3/ h, field gas velocity 1.13m/s.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; all within basic principle of the present invention; any modification of doing, combine and be equal to replacement etc., within being all included in protection scope of the present invention.
Claims (10)
1. a high flow rate honeycomb fashion electrofilter, is characterized in that, comprising: three-phase thyristor constant-current high-voltage DC power supply and catch burnt body; Described three-phase thyristor constant-current high-voltage DC power supply comprises electrical power control cabinet and high pressure generator; Describedly catch burnt body and comprise cylindrical shell, barbed nail corona electrode, anti-swinging hanging, receiving electrode, gas feed, gas vent, air dividing plate and tar outlet; Described anti-swinging hanging comprises sleeve pipe insulated case, sleeve pipe insulating part, porcelain vase pull bar, over sling and lower suspension bracket;
Described electrical power control cabinet is connected with described high pressure generator, described high pressure generator is connected with described porcelain vase pull bar, described cylindrical shell top is provided with described sleeve pipe insulated case, described sleeve pipe insulating part and described porcelain vase pull bar are the inside that an entirety being fixedly connected with fixedly hangs on described sleeve pipe insulated case, described sleeve pipe insulating part is that the entirety being fixedly connected with is fixedly connected with described over sling with described porcelain vase pull bar, described over sling is connected with described barbed nail corona electrode, described receiving electrode and described barbed nail corona electrode are all located between described over sling and described lower suspension bracket, described air dividing plate is located at the below of described lower suspension bracket, described anti-swinging hanging, described barbed nail corona electrode, described receiving electrode and described air dividing plate are located at the inside of described cylindrical shell, one side lower part of described cylindrical shell is provided with described gas feed, described in being located at, described gas vent catches the top center of burnt body, described tar outlet is located at the bottom of described cylindrical shell.
2. high flow rate honeycomb fashion electrofilter according to claim 1, is characterized in that, described electrical power control cabinet comprises control system, three-phase thyristor regulating circuit and three-phase current-limiting reactor; Described control system, for the output voltage of automation control three-phase thyristor regulating circuit, realizes constant current output; Described three-phase thyristor regulating circuit, for by after three phase mains inverse parallel pressure regulation, arrives described three-phase current-limiting reactor by described control system constant current output; Described three-phase current-limiting reactor is used for limiting maximum output current, and outputs to described high pressure generator; Described maximum output current is 2.5 times of rated operational current.
3. high flow rate honeycomb fashion electrofilter according to claim 2, is characterized in that, described control system comprises: PLC, control panel, PID controller, voltage controlled oscillator summation current transformer; Described PID controller and described voltage controlled oscillator are all located on described control panel, and described PLC is connected with described current transformer with the described voltage controlled oscillator of described control panel, and described voltage controlled oscillator is connected with described three-phase thyristor regulating circuit.
4. high flow rate honeycomb fashion electrofilter according to claim 3, is characterized in that, the described PLC in described control system is used for replacing the given electric current of potentiometer, and the inner threshold level 0～10V arranging of described PLC is given to described control panel; Described current transformer samples the electric current of described three-phase thyristor regulating circuit and is converted to 0～10V Voltage Feedback to described control panel; Given and feedback is sent into the described PID controller in described control panel jointly; The voltage of feedback and given 0～10V level carry out PID computing by described PID controller and form constant current voltage, and the output of described three-phase thyristor regulating circuit is adjusted to constant current voltage by constant current voltage, realizes constant current; Described control panel inside is provided with a described voltage controlled oscillator, and described voltage controlled oscillator is exported the constant current voltage of 0～10V through being converted to frequency.
5. high flow rate honeycomb fashion electrofilter according to claim 2, is characterized in that, described three-phase thyristor regulating circuit adopts isplsi1016 internal counter; Described isplsi1016 internal counter is for having counted phase shift, i.e. timing; Determine to trigger the IGCT pulse moment out, i.e. output voltage; Described three-phase thyristor regulating circuit comprises six IGCTs.
6. high flow rate honeycomb fashion electrofilter according to claim 1, is characterized in that, described high pressure generator is for by the ac high-voltage rectification of described three-phase current-limiting reactor output and form DC high-voltage and catch burnt body power supply described in flowing to; Described high pressure generator comprises high-tension transformer and silicon rectifier; Described high-tension transformer is connected with described silicon rectifier, and described three-phase current-limiting reactor is connected with described high-tension transformer, and described silicon rectifier is caught burnt body and is connected with described; Described high-tension transformer is for boosted voltage, and described silicon rectifier carries out rectification for the voltage after raising, and forms negative high voltage, catches burnt body described in sending into; The voltage of 0～380V is risen to 0～55000V by described high-tension transformer, and realization is boosted, then form 0～72000V negative high voltage after described silicon rectifier rectification, catches burnt body described in finally sending into; Described high-tension transformer input adopts triangle connected mode, and described high-tension transformer is three-phase high-voltage transformer, and each has two terminals mutually, and the head end that the tail end of a phase is connect to another phase forms the connection of three-phase triangle.
7. high flow rate honeycomb fashion electrofilter according to claim 1, is characterized in that, described anti-swinging hanging comprises: sleeve pipe insulating part, porcelain vase pull bar, sleeve pipe insulated case, over sling and lower suspension bracket; Described porcelain vase pull bar is fixed on described sleeve pipe insulating part, and described sleeve pipe insulating part is fixedly connected with described sleeve pipe insulated case; Described porcelain vase pull bar is that the entirety that bolt is fixedly connected with is fixedly connected with by the outstanding part bolt of upper hanger and described over sling with described sleeve pipe insulating part; The outstanding part of described over sling and over sling is welded as non-disconnectable overall structure, and described over sling is fixedly connected with by suspension bracket stay-bolt with described lower suspension bracket.
8. high flow rate honeycomb fashion electrofilter according to claim 7, it is characterized in that, the external screw thread that described upper hanger upper end is M56 × 2, described upper hanger lower end is screw rod, described upper hanger upper end adopts the external screw thread of M56 × 2 to dock with described porcelain vase pull bar, and described upper hanger lower end adopts bilateral double nut to lock the outstanding part of described over sling; Described suspension bracket pull bar two ends are 8.8 grades of screw rods, described suspension bracket pull bar is the hollow structure of φ 57mm, the upper and lower side of described suspension bracket pull bar all locks by bilateral double nut, the upper end of described suspension bracket pull bar penetrates the square tube girder of described over sling, the upper end of described suspension bracket pull bar adopts bilateral double nut to be locked on square tube girder, and the lower end of described suspension bracket pull bar adopts bilateral double nut to be locked on the outstanding part of lower suspension bracket; The outstanding part of lower suspension bracket and described lower suspension bracket are non-disconnectable overall structure.
9. high flow rate honeycomb fashion electrofilter according to claim 1, is characterized in that, described barbed nail corona electrode comprises: landing nipple, anchor tip, prickle pipe, prickle and corona discharge electrode regulate horizontal hook; One end of described landing nipple regulates horizontal hook to be connected by nut and described corona discharge electrode; The other end of described landing nipple is connected with one end welded type of the described prickle pipe of first joint; The other end of the described prickle pipe of first joint is connected with one end welded type of prickle pipe described in middle node by anchor tip, described in middle node, the other end of prickle pipe is connected with one end welded type of prickle pipe described in periproct by described anchor tip, described in periproct, the other end of prickle pipe is connected with one end welded type of described landing nipple, and the other end of described landing nipple regulates horizontal hook to be connected by upper and lower double nut and described corona discharge electrode; Described prickle is embedded to be inserted on described prickle pipe.
10. high flow rate honeycomb fashion electrofilter according to claim 9, is characterized in that, described anchor tip is screw rod and the nut that adopts spiral docking to connect, and spiro rod length is 35～45mm; Described landing nipple is screw rod joint, and screw rod joint length is 90～110mm; Described prickle pipe is internal diameter 14mm, the steel pipe of external diameter 18mm; Described prickle diameter is 2mm; Described prickle spacing is spiral being arranged on described prickle pipe evenly; Adjacent described prickle is spaced apart 20mm on described prickle pipe; Angle between adjacent described prickle is 60 °; Described prickle pipe quantity is 3; The quantity of described prickle is 220～270.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125456U (en) * | 1992-06-18 | 1992-12-23 | 浙江省金华市环保设备厂 | Cyclone separation type combined high-voltage electrostatic dust removal equipment |
| JP3156856B2 (en) * | 1991-06-06 | 2001-04-16 | 株式会社安川電機 | Electrostatic dust induction device |
| CN201493168U (en) * | 2009-08-29 | 2010-06-02 | 襄樊九鼎昊天环保设备有限公司 | High-voltage insulation porcelain bottle protecting device of electrical tar precipitator |
| CN101780436A (en) * | 2009-01-20 | 2010-07-21 | 金华大维电子科技有限公司 | Digital signal processor (DSP) embedded controller for electric dust-removing three-phase high-voltage direct-current power supply |
| CN201799323U (en) * | 2010-09-29 | 2011-04-20 | 湖北品冠化工设备有限公司 | Electrofishing tar tower with heat pipe exchanger |
-
2014
- 2014-03-13 CN CN201410092217.XA patent/CN103817009B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3156856B2 (en) * | 1991-06-06 | 2001-04-16 | 株式会社安川電機 | Electrostatic dust induction device |
| CN2125456U (en) * | 1992-06-18 | 1992-12-23 | 浙江省金华市环保设备厂 | Cyclone separation type combined high-voltage electrostatic dust removal equipment |
| CN101780436A (en) * | 2009-01-20 | 2010-07-21 | 金华大维电子科技有限公司 | Digital signal processor (DSP) embedded controller for electric dust-removing three-phase high-voltage direct-current power supply |
| CN201493168U (en) * | 2009-08-29 | 2010-06-02 | 襄樊九鼎昊天环保设备有限公司 | High-voltage insulation porcelain bottle protecting device of electrical tar precipitator |
| CN201799323U (en) * | 2010-09-29 | 2011-04-20 | 湖北品冠化工设备有限公司 | Electrofishing tar tower with heat pipe exchanger |
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| CN105233990A (en) * | 2015-10-22 | 2016-01-13 | 南京信息工程大学 | Fishbone needle type cathode line for wet type electric precipitator |
| CN105396697A (en) * | 2015-12-23 | 2016-03-16 | 山东国舜建设集团有限公司 | Adjustable cathode fixing device for high-voltage wet electrostatic precipitator |
| CN105536999A (en) * | 2016-02-19 | 2016-05-04 | 襄阳九鼎昊天环保设备有限公司 | Electrical tar precipitator |
| CN105964404A (en) * | 2016-05-06 | 2016-09-28 | 浙江天蓝环保技术股份有限公司 | Vertical type wet electric dust removal device |
| CN106391316A (en) * | 2016-06-12 | 2017-02-15 | 江苏永钢集团有限公司 | Electrical tar precipitator |
| CN107051737A (en) * | 2017-04-16 | 2017-08-18 | 襄阳九鼎昊天环保设备有限公司 | A kind of wet electrical dust precipitator prickle wire |
| CN107626455A (en) * | 2017-10-30 | 2018-01-26 | 佛山市南海九洲普惠风机有限公司 | A kind of electric field structure of high insulativity |
| CN107626455B (en) * | 2017-10-30 | 2024-03-19 | 佛山市南海九洲普惠风机有限公司 | High-insulation electric field structure |
| CN111570092A (en) * | 2020-04-15 | 2020-08-25 | 浙江大维高新技术股份有限公司 | High-voltage power supply control method for converter gas purification system |
| CN114146819A (en) * | 2021-12-02 | 2022-03-08 | 襄阳九鼎昊天环保设备有限公司 | Electric tar precipitator with corona electrode anti-swing structure |
| CN114146819B (en) * | 2021-12-02 | 2022-08-30 | 襄阳九鼎昊天环保设备有限公司 | Electric tar precipitator with corona electrode anti-swing structure |
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