CN208727063U - A kind of deduster with the fiery explosion arrestment function of suppression - Google Patents

Abstract

The utility model discloses a kind of with the deduster for pressing down fiery explosion arrestment function, including dust pelletizing system, inerting spraying system, cooling system, cinder transportation system, dust transportation system, the first blower, chimney, dust emission equipment, electric cabinet and device of blast prevention.The utility model position different in the inside of deduster is provided with the compound fire behavior sensor such as temperature-sensitive, sense cigarette, photosensitive, by temperature, smog and optical signal feedback to central control system, then central control system makes output response in real time, control the starting of inerting unit, injection inerting gas changes explosion environment into cabinet rapidly, reaches inerting function to be fully completed the symptom of a trend of burning；When backlash occurs for cleaner internal explosion dust simultaneously, explosion wave from inside cleaner along dust transfer pipeline into device of blast prevention, device of blast prevention utilizes air accumulator, critical pipe diameter and corner-turning effect, the shock strength entered in device of blast prevention internal structure is set to decay rapidly, until disappearing, achieve the effect that explosion arrestment is explosion-proof.

Description

A kind of deduster with the fiery explosion arrestment function of suppression

Technical field

The utility model belongs to field of environment protection equipment, in particular to a kind of with the deduster for pressing down fiery explosion arrestment function.

Background technique

Deduster is the corollary equipment of many production industry indispensabilities, its function is will burn stove or oil burning boiler discharge cigarette Particle dust in gas is removed, so that the fume amount being discharged into atmosphere be greatly lowered, this is to improve environmental pollution, is mentioned The important environmental protection equipment of high air quality.

Cleaner is generally divided into: filtration dust catcher, mechanical collector, electric precipitator and four kinds of wet scrubber. Wherein filtering type cleaner is divided into filter bag type deduster, gravel bed filter, and machinery is divided into gravity settling chamber, whirlwind except equipment Deduster.For dust explosion usually inadvertently since some potential factors cause, the characteristic of subsequent explosion makes dust quick-fried It is fried often to generate lasting destruction, and rear primary explosion can be more fierce than preceding primary explosion, and general industry scene is also There may be other explosive sources, this is also possible to be excited by dust explosion.Dust explosion also has high pressure duration length Feature, this just considerably increases its destructive power, especially in very long pipeline, easily causes multiple serial blast, and Blast pressure can not discharge, and form pressure build-up, and final explosion can extend to entire pipeline.In addition, dust explosion can generate Some noxious materials.Insufficient generation for resulting in carbon monoxide of burning, explosive itself dust can also generate noxious material, This is sometimes fatal to the injury of the staff of production scene.

The explosion-proof technology of dust-extraction unit has at present:

(1) anti-electrostatic filter cloth is selected, the charge accumulated on filter cloth is removed, eliminates electrostatic spark.This scheme only eliminates quiet Electric spark, there is also other incendiary source hidden danger.

(2) explosion relief door is installed, dust-extraction unit is protected, for example, the powder coal milling system of metallurgy, electric power, generally selects cloth bag Deduster carries out coal powder collection.Coal dust explosion occurs during collection in order to prevent, bag filter installs several safety Explosionproof hole.But when elongnated building, the dust explosion product and unburned dust cloud of high temperature and pressure are ejected from venting of dust explosion hole, Cause subsequent explosion, new threat is constituted to ambient enviroment.

Such as carbon dioxide, nitrogen, inert gas are introduced in deduster, are this Shens to reach the explosion prevention function of deduster It please solve the problems, such as.

Utility model content

Purpose of utility model: in order to overcome the above deficiency, have the purpose of the utility model is to provide one kind and press down fiery explosion arrestment The deduster of function solves the security risk in deduster there are fuel gas in the presence of explosion.

Technical solution: a kind of with the deduster for pressing down fiery explosion arrestment function, including dust pelletizing system, inerting spraying system, cooling System, cinder transportation system, dust transportation system, the first blower, chimney, dust emission equipment and electric cabinet, the cooling system System is arranged between dust pelletizing system and dust emission equipment, and cooling system and electric cabinet are electrically connected, the cinder conveying System is connect with cooling system, and the dust transportation system is connect with dust pelletizing system, and the inerting spraying system is arranged in dedusting In system, and dust pelletizing system and inerting spraying system are electrically connected with electric cabinet, one end of first blower and dedusting The net gas of system exports connection, and the other end of the first blower is connect with chimney, and first blower electrically connects with electric cabinet It connects；Wherein, device of blast prevention is additionally provided on the cooling system, the device of blast prevention includes that the first explosion arrestment baffle and the second explosion arrestment are kept off Plate, the first explosion arrestment baffle and the second explosion arrestment baffle plate setting on the cooling system, and the first explosion arrestment baffle and the second explosion arrestment Baffle can separate cooling system and dust pelletizing system.The application's has the deduster for pressing down fiery explosion arrestment function, sets from dust emission The standby gas released first passes around cooling system and carries out cooling down, and can be by bulky grain in gas during this Cinder passes through cinder transportation system first and carries out storage collection, and then collective enters dust pelletizing system, and it is clear to carry out profound purification It is clean, situations such as inerting spraying system is provided in dust pelletizing system, can prevent dust pelletizing system from spontaneous combustion or explosion occurs, just In the case of being often used, purified clean gas by the first blower from chimney be discharged, and be arranged the first explosion arrestment baffle and Second explosion arrestment baffle can stop after cooling system, the Mars also retained, in addition when deduster internal explosion dust is anti- To when explosion, the first explosion arrestment baffle can rapidly be lived the seal for pipe joints of cooling system.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the device of blast prevention further include third blower, storage Gas tank, gas storage channel and venting of dust explosion piece, the air accumulator are arranged on the pipeline of cooling system, and air accumulator and cooling system Junction is equipped with venting of dust explosion piece, and one end of the third blower is set in the pipeline of cooling system, and third blower is another One end is connect with gas storage channel, and the other end in the gas storage channel is connect with air accumulator.When deduster internal explosion dust is anti- To explosion when, explosion wave from inside cleaner along dust transfer pipeline into device of blast prevention, venting of dust explosion piece open, make Enter in air accumulator into the shock wave gas in device of blast prevention internal structure, so that shock strength is decayed rapidly, directly To disappearance, achieve the effect that explosion arrestment is explosion-proof.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the dust pelletizing system is interior equipped with homogenizing plate, described Dust pelletizing system is divided into electric precipitation case and filter bag dust cleaning case by homogenizing plate, and the electric precipitation case includes anode, cathode, high voltage supply dress It sets and rapping apparatus, the anode and cathode is correspondingly arranged in electric precipitation case up and down, the rapping apparatus is arranged in electric precipitation On the inner wall of case, and rapping apparatus can vibration beating anode and cathode, the high voltage power supply device and anode and cathode electrical property Connection, the dust pelletizing system are equipped with dust entrance, and the dust entrance is connected to electric precipitation case, in the electric precipitation case The corresponding position of dust entrance is equipped with dust baffle, and the dust baffle is equipped with filter screen.The electric precipitation that the application uses The dedusting method combined with filter bag dedusting, can carry out purification cleaning to the dust in various gases, improve the purification of gas Effect can be passed through by the anode plate and cathode plate of setting by the granular absorption of opposed polarity in anode plate and cathode plate Rapping apparatus timing strike anode plate and cathode plate, so that the particle of flue dust is fallen under self weight and the double action of vibration beating In ash bucket.At the position of dust entrance be arranged dust baffle, first can stop portions particle, dust baffle vertical portion It is fixed under the top plate of dust pelletizing system, the baffle of lower part is extend into ash bucket, impinges upon the particle on dust baffle along dust Baffle slides into ash bucket, is able to carry out the cleaning storage of simple particle.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the filter bag dust cleaning case include dedusting filtering bag, filter Bag frame, Venturi tube, gas bag, electromagnetic impulse valve and injection tube, the top of the dust pelletizing system are equipped with air-purifying chamber, the dedusting filter Bag is arranged on the top plate of filter bag dust cleaning case, and dedusting filtering bag is connected to air-purifying chamber, and the dedusting filtering bag is set in filter bag frame Outside frame, the upper end of filter bag frame is arranged in the Venturi tube, and the injection tube is equipped with one group of blowing mouth, the blowing mouth It protrudes into Venturi tube, the gas bag is connect with injection tube, and electromagnetic impulse valve is arranged in injection tube, sets on the air-purifying chamber There is net gas to export, the net gas outlet is connect with the first blower, and is equipped with net gas between net gas outlet and the first blower and is discharged Valve.Entered in filter bag dust cleaning case by the gas in electric precipitation area, in the particle that electric precipitation area cannot be handled, passes through dedusting in gas When filter bag, it is attached to the surface of dedusting filtering bag, purified gas enters air-purifying chamber, with the ash for being attached to dedusting filtering bag surface Dirt particle is more and more, can periodically start electromagnetic impulse valve, and the dust granule for being attached to dedusting filtering bag surface is blown off ash charge In bucket, prevents dedusting filtering bag surface dirt blocked up, influence dust removing effects and quality.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the dust transportation system includes ash bucket and spiral shell Conveyer is revolved, the lower section of the dust pelletizing system is equipped with the ash bucket of back taper, and the lower section of the ash bucket is equipped with screw conveyor, described The lower end of ash bucket is equipped with ash discharging hole, and the ash discharging hole is connected to screw conveyor.By the screw conveyor of setting by ash bucket In the grey dust clouds that gathers carry out.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the inerting spraying system includes inert gas Room, the first delivery pipe, the second delivery pipe, the first inert gas channel valve, the second inert gas channel valve, one group of first indifferent gas Body spray head, one group of second inert gas spray head, temperature sensing sensor, sense smoke sensor and photosensitive sensor, first delivery pipe It is connect with inert chamber with the second delivery pipe, the first inert gas channel valve is arranged in the first delivery pipe, described Second inert gas channel valve is arranged in the second delivery pipe, and the top of filter bag dust cleaning case is arranged in the first inert gas spray head Portion, the second inert gas spray head are arranged on the bottom plate of filter bag dust cleaning case, the temperature sensing sensor, sense smoke sensor and Photosensitive sensor is uniformly distributed on filter bag dedusting chamber interior wall.Two groups of inerting gas injector heads are set, according to temperature sensing sensor, sense The gaseous environment in filter bag dust cleaning case that smoke sensor and photosensitive sensor measure can individually open one group of inert gas injection Head can also open two groups of inert gas injector heads, in different ways according to different environment simultaneously.

Further, above-mentioned that there is the deduster for pressing down fiery explosion arrestment function, gas buffer is additionally provided in the dust pelletizing system Case, the filter bag dust cleaning case are equipped with pressure relief opening, and the pressure relief opening is connected to gas buffer tank, and the pressure relief opening is equipped with first Switch valve, the gas buffer tank is interior to be equipped with one group of pressure sensor, and the outer wall of the dust pelletizing system is equipped with the second blower, institute It states gas buffer tank to connect with the second blower, second blower is equipped with first gas and leads back to pipe, and the first gas is led back to The other end of pipe is connect with cooling system, and first gas leads back to pipe equipped with second switch valve.It is set in filter bag dust cleaning case Have one group of pressure sensor, when pressure is excessive in filter bag dust cleaning case, can emergency opening pressure relief opening, make the gas in filter bag dust cleaning case Body is discharged rapidly in gas buffer tank, can quickly reduce air pressure in filter bag dust cleaning case, and the gas in gas buffer tank is logical It crosses the second blower and pollutes environment back to preventing from being discharged into outside air in dust entrance.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the cooling system includes cooling duct, cooling Device, cinder dust leg and flue dust letter shoot, the both ends of the cooling duct are connect with dust emission equipment and cooler respectively, The gas vent of the cooler is connect with cinder dust leg, and the cinder dust leg is connect with flue dust letter shoot, the cigarette Dust and gas delivery pipe is connect with dust pelletizing system, and the cooling duct is equipped with third switch valve.The cooling system of setting can reduce height The temperature of wet body, prevents high-temperature gas to be fed directly to dust pelletizing system, influences dust removing effects, and high-temperature gas can reduce work Make the service life of element.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, it is defeated that the cinder dust leg lower section is equipped with cinder Machine is sent, cinder ash-storing bin is additionally provided on the cinder conveyer, the cinder ash-storing bin is equipped with the 4th switch valve.Pass through cooling After gas cooling after device, a part of bulky grain dust can be collected in cinder dust leg, by being arranged at cinder dust leg Cinder conveyer can constantly transport cinder, and be stored in cinder ash-storing bin, and cinder can be stored up by periodically opening the 4th switch valve Dust in ash cellar is walked clearly.

Further, the above-mentioned deduster with the fiery explosion arrestment function of suppression, the flue dust letter shoot is close to dust pelletizing system End be it is tubaeform, and flue dust letter shoot in be equipped with airflow uniform distribution device.Flue dust letter shoot and dust entrance connect It is logical, airflow uniform distribution device is set in flue dust letter shoot, so that the gas into dust pelletizing system is uniform.

Further, above-mentioned that there is the deduster for pressing down fiery explosion arrestment function, it is equipped at the ash hole of the screw conveyor Spiral humidifier is equipped with unloading valve between the screw conveyor and spiral humidifier.The spiral humidifier of setting, can be by ash bucket The dust of middle output is moist, prevents from overflowing in air scattered.

Above-mentioned technical proposal can be seen that the utility model has the following beneficial effects: described in the utility model have Press down the deduster of fiery explosion arrestment function, it is reasonable in design, it is combined by electric precipitation and filter bag dedusting, improves gas purification Quality.Position different in the inside of deduster simultaneously is provided with the compound fire behavior sensor such as temperature-sensitive, sense cigarette, photosensitive, works as sensing When device detects early stage sign (such as fire behavior information) of explosion starting, signal is fed back into central control system, then central control system is real When make output response, control the starting of inerting unit, rapidly spray inerting gas change explosion environment into cabinet, with complete The symptom of a trend of completion of combustion and reach inerting function；When backlash occurs for cleaner internal explosion dust simultaneously, explosion punching Hit wave from inside cleaner along dust transfer pipeline into device of blast prevention, device of blast prevention is using air accumulator, critical pipe diameter and turns Corner effect makes the shock strength entered in device of blast prevention internal structure decay rapidly, until disappearing, reaches the explosion-proof effect of explosion arrestment Fruit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the deduster described in the utility model for having and pressing down fiery explosion arrestment function；

Fig. 2 is the structural schematic diagram of filter bag frame described in the utility model；

Fig. 3 is the structural schematic diagram of filter bag frame described in the utility model and Venturi tube；

Fig. 4 is the top view of filter bag frame described in the utility model；

Fig. 5 is the sectional view of Venturi tube described in the utility model；

Fig. 6 is the bottom view of Venturi tube described in the utility model；

Fig. 7 is the deduster operation principle schematic diagram described in the utility model for having and pressing down fiery explosion arrestment function.

In figure: dust pelletizing system 1, electric precipitation case 11, anode 111, cathode 112, high voltage power supply device 113, rapping apparatus 114, filter bag dust cleaning case 12, dedusting filtering bag 121, filter bag frame 122, loop connecting portion 1221, protrusion 1222, Venturi tube 123, on Connecting plate 1231, lower connecting plate 1232, opening 1233, card slot 1234, gas bag 124, electromagnetic impulse valve 125, injection tube 126, spray Mouthpiece 127, pressure relief opening 128, first switch valve 1281, homogenizing plate 13, dust entrance 14, dust baffle 15, filter screen 151, Air-purifying chamber 16, net gas export 161, net gas drain valve 162, dust cover 17, steelframe mechanism 18, gas buffer tank 19, pressure sensing Device 191, the second blower 192, first gas lead back to pipe 193, second switch valve 1931, inerting spraying system 2, inert chamber 21, the first delivery pipe 22, the second delivery pipe 23, the first inert gas channel valve 24, the second inert gas channel valve 25, first are lazy Property gas tip 26, the second inert gas spray head 27, temperature sensing sensor 28, sense smoke sensor 29, photosensitive sensor 210, first Pressure sensor 211, cooling system 3, cooling duct 31, third switch valve 311, cooler 32, cinder dust leg the 33, the 5th are opened Close valve 331, flue dust letter shoot 34, airflow uniform distribution device 341, the 6th switch valve 342, cinder transportation system 4, cinder conveyer 41, cinder ash-storing bin 42, the 4th switch valve 421, dust transportation system 5, ash bucket 51, ash discharging hole 511, screw conveyor 52, spiral shell Humidifier 53, unloading valve 531, the first blower 6, chimney 7, dust emission equipment 8, electric cabinet 9, device of blast prevention 10, first is revolved to hinder Quick-fried baffle 101, the second explosion arrestment baffle 102, third blower 103, air accumulator 104, gas storage channel 105, venting of dust explosion piece 106.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple " It is two or more, unless otherwise restricted clearly.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Embodiment

There is the deduster for pressing down fiery explosion arrestment function as shown in Fig. 1,7, including dust pelletizing system 1, inerting spraying system 2, cold But system 3, cinder transportation system 4, dust transportation system 5, the first blower 6, chimney 7, dust emission equipment 8 and electric cabinet 9, institute It states cooling system 3 to be arranged between dust pelletizing system 1 and dust emission equipment 8, and cooling system 3 and electric cabinet 9 are electrically connected, The cinder transportation system 4 is connect with cooling system 3, and the dust transportation system 5 is connect with dust pelletizing system 1, the inerting spray It penetrates system 2 to be arranged in dust pelletizing system 1, and dust pelletizing system 1 and inerting spraying system 2 are electrically connected with electric cabinet 9, it is described One end of first blower 6 and the net gas of dust pelletizing system 1 are exported and are connected, and the other end of the first blower 6 is connect with chimney 7, institute The first blower 6 is stated to be electrically connected with electric cabinet 9.Wherein, it is equipped with homogenizing plate 13 in dust pelletizing system 1, the homogenizing plate 13 is by dedusting System 1 is divided for electric precipitation case 11 and filter bag dust cleaning case 12, and the electric precipitation case 11 includes anode 111, cathode 112, high voltage supply Device 113 and rapping apparatus 114, the anode 111 and about 112 cathode are correspondingly arranged in electric precipitation case 11, the rapping Device 114 is arranged on the inner wall of electric precipitation case 11, and rapping apparatus 114 can vibration beating anode 111 and cathode 112, institute It states high voltage power supply device 113 and anode 111 and cathode 112 is electrically connected, the dust pelletizing system 1 is equipped with dust entrance 14, The dust entrance 14 is connected to electric precipitation case 11, and the corresponding position of dust entrance 14 is equipped with ash in the electric precipitation case 11 Dirt baffle 15, the dust baffle 15 are equipped with filter screen 151.It is equipped with steelframe mechanism 18 in the lower section of dust pelletizing system 1, it can be right Dust pelletizing system 1 carries out stablizing support, so that dust pelletizing system 1 apart from ground certain distance, is convenient for dust below dust pelletizing system 1 Discharge.And.Filter bag dust cleaning case 12 includes dedusting filtering bag 121, filter bag frame 122, Venturi tube 123, gas bag 124, electromagnetic pulse Valve 125 and injection tube 126, the top of the dust pelletizing system 1 are equipped with air-purifying chamber 16, and the setting of dedusting filtering bag 121 is removed in filter bag On the top plate of dirt case 12, and dedusting filtering bag 121 is connected to air-purifying chamber 16, and the dedusting filtering bag 121 is set in filter bag frame 122 The upper end of filter bag frame 122 is arranged in outside, the Venturi tube 123, and the injection tube 126 is equipped with one group of blowing mouth 127, The blowing mouth 127 protrudes into Venturi tube 123, and the gas bag 124 is connect with injection tube 126, and electromagnetic impulse valve 125 is arranged In injection tube 126, the air-purifying chamber 16 is equipped with net gas outlet 161, and the net gas outlet 161 is connect with the first blower 6, and And net gas drain valve 162 is equipped in the lower section of electric precipitation case 11 and filter bag dust cleaning case 12 between net gas outlet 161 and the first blower 6 Equipped with dust transportation system 5, dust transportation system 5 includes ash bucket 51 and screw conveyor 52, and the lower section of the dust pelletizing system 1 is set There is the ash bucket 51 of back taper, ash bucket 51 is connected to electric precipitation case 11 and filter bag dust cleaning case 12, and the lower section of the ash bucket 51 is equipped with spiral shell Conveyer 52 is revolved, the lower end of the ash bucket 51 is equipped with ash discharging hole 511, and the ash discharging hole 511 is connected to screw conveyor 52.Such as Fruit directly transports the dust on screw conveyor 52, and dust, which easily overflows, to be scattered in air, therefore states screw conveyor 52 Ash hole at be equipped with spiral humidifier 53, unloading valve 531 is equipped between the screw conveyor 52 and spiral humidifier 53, it is fixed Phase opens unloading valve 531, and the dust in spiral humidifier 53 is discharged on transport vehicle.In addition, inerting spraying system 2 includes inertia Gas compartment 21, the first delivery pipe 22, the second delivery pipe 23, the first inert gas channel valve 24, the second inert gas channel valve 25, One group of first inert gas spray head, 26, one group of second inert gas spray head 27, temperature sensing sensor 28, sense smoke sensor 29 and photosensitive Sensor 210, first delivery pipe 22 and the second delivery pipe 23 are connect with inert chamber 21, first inert gas Channel valve 24 is arranged in the first delivery pipe 22, and the second inert gas channel valve 25 is arranged in the second delivery pipe 23, institute The top that filter bag dust cleaning case 12 is arranged in the first inert gas spray head 26 is stated, the second inert gas spray head 27 is arranged in filter bag On the bottom plate of dust cleaning case 12, the temperature sensing sensor 28, sense smoke sensor 29 and photosensitive sensor 210 are uniformly distributed in filter bag On 12 inner wall of dust cleaning case, and on 12 inner wall of filter bag dust cleaning case on be additionally provided with first pressure sensor 211.In order to prevent dust into Enter the first inert gas spray head 26 and the second inert gas spray head 27, is sprayed in the first inert gas spray head 26 and the second inert gas Dust cover 17 is covered on first 27.Gas buffer tank 19 is additionally provided in dust pelletizing system 1, the filter bag dust cleaning case 12 is equipped with pressure release Mouth 128, the pressure relief opening 128 is connected to gas buffer tank 19, and the pressure relief opening 128 is equipped with first switch valve 1281, described One group of pressure sensor 191 is equipped in gas buffer tank 19, the outer wall of the dust pelletizing system 1 is equipped with the second blower 192, described Gas buffer tank 19 is connect with the second blower 192, and second blower 192 is equipped with first gas and leads back to pipe 193, and described first The other end that gas leads back to pipe 193 is connect with cooling system 3, and first gas leads back to pipe 193 equipped with second switch valve 1931.Cooling system 3 includes cooling duct 31, cooler 32, cinder dust leg 33 and flue dust letter shoot 34, and the cooling is logical The both ends in road 31 are connect with dust emission equipment 8 and cooler 32 respectively, the gas vent and cinder dust of the cooler 32 Pipe 33 connects, and the cinder dust leg 33 is connect with flue dust letter shoot 34, and the flue dust letter shoot 34 connects with dust pelletizing system 1 It connects, the cooling duct 31 is equipped with third switch valve 311.The 5th switch valve 331 is equipped at 32 lower end of cooler, the 5th opens Valve 331 is closed between cooler 32 and cinder dust leg 33, is equipped in flue dust letter shoot 34 close to the end of dust pelletizing system 1 6th switch valve 342.It is equipped with cinder conveyer 41 below cinder dust leg 33, cinder storage is additionally provided on the cinder conveyer 41 Ash cellar 42, the cinder ash-storing bin 42 are equipped with the 4th switch valve 421.Flue dust letter shoot 34 is close to the end of dust pelletizing system 1 To be tubaeform, and airflow uniform distribution device 341 is equipped in flue dust letter shoot 34.Further, it is also set on the cooling system 3 There is device of blast prevention 10, the device of blast prevention 10 includes the first explosion arrestment baffle 101 and the second explosion arrestment baffle 102, first explosion arrestment Baffle 101 and the second explosion arrestment baffle 102 are arranged on cooling system 3, and the first explosion arrestment baffle 101 and the second explosion arrestment baffle 102 can separate cooling system 3 and dust pelletizing system 1, the first explosion arrestment baffle 101 and the second explosion arrestment baffle 102 and cinder dust leg The setting at an acute angle of 33 inner wall, also, the first explosion arrestment baffle 101 and the second explosion arrestment baffle 102 are symmetrical arranged.First explosion arrestment baffle 101 and second explosion arrestment baffle 102 be made of nonflammable material, through subcooler 32 there is also part Mars pass through cinder collection When dirt pipe 33, Mars is impinged upon on the first explosion arrestment baffle 101 or the second explosion arrestment baffle 102, and Mars is made to fall in cinder dust leg At 33 collection ash, and Mars is allowed slowly to cool down.Further, device of blast prevention 10 further include third blower 103, air accumulator 104, Gas storage channel 105 and venting of dust explosion piece 106, the air accumulator 104 are arranged on the pipeline of cooling system 3, and air accumulator 104 and cold But the junction of system 3 is equipped with venting of dust explosion piece 106, and one end of the third blower 103 is set in the pipeline of cooling system 3, and And the other end of third blower 103 is connect with gas storage channel 105, the other end and air accumulator 104 in the gas storage channel 105 connect It connects.

In addition, the structure of filter bag frame 122 and Venturi tube 123 as shown in figures 2-6 is that 122 upper end of filter bag frame is equipped with Loop connecting portion 1221, one group of protrusion 1222 is uniformly provided on the outer wall in loop connecting portion 1221, and Venturi tube 123 includes upper connection Plate 1231 and lower connecting plate 1232, and lower connecting plate 1232 is equipped with one group of opening 1233, in use, protrusion 1222 is aligned Opening 1233 rotates Venturi tube 123, and protrusion 1222 is made to be staggered with opening 1233, and protrusion 1222 enters the card slot on Venturi tube 123 In 1234, so that the connection of filter bag frame 122 and Venturi tube 123 be rapidly completed.

On the basis of above structure, the utility model also provides a kind of work with the deduster for pressing down fiery explosion arrestment function Make method: the following steps are included:

1) burning of dust emission equipment 8 generates a large amount of flue dust；

2) third switch valve 311 is opened, the flue dust that dust emission equipment 8 generates enters in cooler 32, in cooler 32 It is middle that the flue dust of high temperature cools down；

3) the 5th switch valve 331 is opened, and flue dust, which falls, enters cinder dust leg 33, big in the flue dust after cooling down here Particle cinder is gathered in horizontally disposed region in cinder dust leg 33；

4) cinder conveyer 41 is constantly recycled, and the cinder in cinder dust leg 33 is delivered to cinder ash-storing bin 42 In；

5) the 6th switch valve 342 is opened, and enters flue dust by flue dust letter shoot 34 by the flue dust of cinder dust leg 33 Gas entrance 14；

6) flue dust is struck first on dust baffle 15, and part dust slides along dust baffle 15 into ash bucket 51；

7) unloading valve 531 is opened, the dust in ash bucket 51 is transported in spiral humidifier 53 by screw conveyor 52, and will Dust discharge；

8) it is initially entered in electric precipitation case 11 by the flue dust of dust baffle 15, by the granular absorption with charge in anode 111 and cathode 112 on；

9) as the dust being adsorbed on anode 111 and cathode 112 is more and more, start rapping apparatus 114, by anode 111 and cathode 112 on dust remove, dust falls into ash bucket 51；

10) enter filter bag dust cleaning case 12 by the flue dust of electric precipitation case 11, flue dust passes through dedusting filtering bag 121, dust granule It is adsorbed on dedusting filtering bag 121, clean gas enters air-purifying chamber 16 by dedusting filtering bag 121；

11) net gas drain valve 162 is opened, clean gas is introduced chimney 7 by the first blower 6, and externally discharged；

12) on dedusting filtering bag 121 dust it is cumulative, periodically open electromagnetic impulse valve 125, injection tube 126 will remove The dust of dirt filter bag 121 is removed, and dust is fallen into ash bucket 51.

A kind of working method of the deduster of inerting function of the application, further comprising the steps of:

1) capacity and temperature sensing sensor 28, sense smoke sensor 29 and of the control system in electric cabinet 9 according to dust pelletizing system 1 The numerical value of photosensitive sensor 210 sets three alarm levels, respectively low danger warning grade, controllable danger warning grade and danger Alarm threshold value grade；

2) temperature sensing sensor 28, sense smoke sensor 29 and photosensitive sensor 210 send temperature, dust concentration and optical signal To electric cabinet 9；

3) temperature, dust concentration and optical signal reach low danger warning grade, and electric cabinet 9 starts inerting spraying system 2；

4) the first inert gas channel valve 24 is opened, the inert gas in inert chamber 21 along the first delivery pipe 22, It is ejected from the first inert gas spray head 26, reduces the oxygen concentration of dust pelletizing system 1；

5) temperature, dust concentration and optical signal reach controllable danger warning grade, and the second inert gas channel valve 25 is opened, lazy Property gas compartment 21 in inert gas along the second delivery pipe 23, ejected from the second inert gas spray head 27, reduce dedusting system The oxygen concentration of system 1；

6) temperature, dust concentration and optical signal reach danger warning threshold level, the first inert gas channel valve 24 and second Inert gas channel valve 25 opens simultaneously, and the inert gas in inert chamber 21 is along the first delivery pipe 22 and the second delivery pipe 23, it is ejected from the first inert gas spray head 26 and the second inert gas spray head 27, the oxygen for reducing rapidly dust pelletizing system 1 is dense Degree；

7) danger warning according to temperature sensing sensor 28, sense smoke sensor 29 and 210 signal of photosensitive sensor, in step 6) Threshold level is reduced to low danger warning grade or controllable danger warning grade, closes the first inert gas channel valve 24, only stays second Inert gas spray head 27 continues to input inert gas into dust pelletizing system 1, until safety, inerting spraying system 2 is closed.

A kind of working method with the deduster for pressing down fiery explosion arrestment function of the utility model: when gas in dust pelletizing system 1 When pressure is excessive, reduces gas pressure and include the following steps

1) pressure signal is sent to electric cabinet 9 by first pressure sensor 211；

2) electric cabinet 9 controls first switch valve 1281 and opens, while reducing the air inflow of the 6th switch valve 342；

3) fume gases enter gas buffer tank 19, so that 1 pressure reduction of dust pelletizing system；

4) first pressure sensor 211 continues to monitor the pressure of dust pelletizing system 1, and pressure reaches normal value, opens the 6th and opens Valve 342 is closed, first switch valve 1281 is closed；

5) the second blower 192 and second switch valve 1931 are opened, the second blower 192 is by the dust in gas buffer tank 19 Body is delivered in flue dust letter shoot 34, so that forming negative pressure in gas buffer tank 19, closes second switch valve 1931.

A kind of working method of the deduster of inerting function of the application, the course of work of device of blast prevention 10 are as follows: firstly, cigarette When dust and gas passes through cinder dust leg 33, the Mars in dust impinges upon the first explosion arrestment baffle 101 and the second explosion arrestment baffle 102, Once exploding in dust pelletizing system 1, electric cabinet 9 starts venting of dust explosion piece 106, and the shock wave gas for generation of exploding enters air accumulator In 104, the intensity of shock wave is reduced, after dust pelletizing system 1 is stablized, third blower 103 is opened, by the flue dust in air accumulator 104 Gas is directed into dust pelletizing system 1 by gas storage channel 105.

The application's has the deduster for pressing down fiery explosion arrestment function, either for 1 hypertonia of dust pelletizing system or oxygen Excessive concentration can reasonably prevent the generation exploded or burnt, safe and reliable, even if exploding, can also take Effective explosion arrestment measure quickly reduces the harm that explosion generates.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as The protection scope of the utility model.

Claims (10)

1. a kind of with the deduster for pressing down fiery explosion arrestment function, it is characterised in that: including dust pelletizing system (1), inerting spraying system (2), cooling system (3), cinder transportation system (4), dust transportation system (5), the first blower (6), chimney (7), dust emission Equipment (8) and electric cabinet (9), the cooling system (3) are arranged between dust pelletizing system (1) and dust emission equipment (8), and Cooling system (3) and electric cabinet (9) are electrically connected, and the cinder transportation system (4) connect with cooling system (3), the dust Transportation system (5) is connect with dust pelletizing system (1), and inerting spraying system (2) setting is in dust pelletizing system (1), and dedusting System (1) and inerting spraying system (2) are electrically connected with electric cabinet (9), one end of first blower (6) and dust pelletizing system (1) net gas exports connection, and the other end of the first blower (6) is connect with chimney (7), first blower (6) with it is automatically controlled Case (9) is electrically connected；

Wherein, it is additionally provided with device of blast prevention (10) on the cooling system (3), the device of blast prevention (10) includes the first explosion arrestment baffle (101) it is arranged with the second explosion arrestment baffle (102), the first explosion arrestment baffle (101) and the second explosion arrestment baffle (102) in cooling system It unites on (3), and the first explosion arrestment baffle (101) and the second explosion arrestment baffle (102) can be by cooling systems (3) and dust pelletizing system (1) Partition.

2. according to claim 1 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the device of blast prevention (10) It further include third blower (103), air accumulator (104), gas storage channel (105) and venting of dust explosion piece (106), the air accumulator (104) sets It sets on the pipeline of cooling system (3), and the junction of air accumulator (104) and cooling system (3) is equipped with venting of dust explosion piece (106), One end of the third blower (103) is set in the pipeline of cooling system (3), and the other end of third blower (103) with Gas storage channel (105) connection, the other end of the gas storage channel (105) are connect with air accumulator (104).

3. according to claim 1 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the dust pelletizing system (1) Interior to be equipped with homogenizing plate (13), dust pelletizing system (1) is divided into electric precipitation case (11) and filter bag dust cleaning case (12) by the homogenizing plate (13), The electric precipitation case (11) includes anode (111), cathode (112), high voltage power supply device (113) and rapping apparatus (114), described Anode (111) and cathode (112) are correspondingly arranged at up and down in electric precipitation case (11), and rapping apparatus (114) setting is removed in electricity On the inner wall of dirt case (11), and rapping apparatus (114) can vibration beating anode (111) and cathode (112), the high voltage supply Device (113) and anode (111) and cathode (112) are electrically connected, and the dust pelletizing system (1) is equipped with dust entrance (14), The dust entrance (14) is connected to electric precipitation case (11), the correspondence position of the interior dust entrance (14) of electric precipitation case (11) It has installed dust baffle (15), the dust baffle (15) is equipped with filter screen (151).

4. according to claim 3 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the filter bag dust cleaning case It (12) include dedusting filtering bag (121), filter bag frame (122), Venturi tube (123), gas bag (124), electromagnetic impulse valve (125) and spray The top of blowpipe (126), the dust pelletizing system (1) is equipped with air-purifying chamber (16), and the dedusting filtering bag (121) is arranged in filter bag dedusting On the top plate of case (12), and dedusting filtering bag (121) is connected to air-purifying chamber (16), and the dedusting filtering bag (121) is set in filter bag Frame (122) is external, and Venturi tube (123) setting is set on the upper end of filter bag frame (122), the injection tube (126) There is one group of blowing mouth (127), the blowing mouth (127) is protruded into Venturi tube (123), the gas bag (124) and injection tube (126) Connection, and electromagnetic impulse valve (125) is arranged on injection tube (126), and the air-purifying chamber (16) exports equipped with net gas (161), the net gas outlet (161) connect with the first blower (6), and sets between net gas outlet (161) and the first blower (6) There is net gas drain valve (162).

5. according to claim 1 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the dust transportation system It (5) include ash bucket (51) and screw conveyor (52), the lower section of the dust pelletizing system (1) is equipped with the ash bucket (51) of back taper, institute The lower section for stating ash bucket (51) is equipped with screw conveyor (52), and the lower end of the ash bucket (51) is equipped with ash discharging hole (511), the row Grey mouth (511) is connected to screw conveyor (52).

6. according to claim 1 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the inerting spraying system It (2) include inert chamber (21), the first delivery pipe (22), the second delivery pipe (23), the first inert gas channel valve (24), Two inert gas channel valves (25), one group of first inert gas spray head (26), one group of second inert gas spray head (27), temperature-sensitive pass Sensor (28), sense smoke sensor (29) and photosensitive sensor (210), first delivery pipe (22) and the second delivery pipe (23) are equal It being connect with inert chamber (21), the first inert gas channel valve (24) is arranged on the first delivery pipe (22), and described the Two inert gas channel valves (25) are arranged on the second delivery pipe (23), and the first inert gas spray head (26) is arranged in filter bag The top of dust cleaning case (12), the second inert gas spray head (27) are arranged on the bottom plate of filter bag dust cleaning case (12), the sense Temperature sensor (28), sense smoke sensor (29) and photosensitive sensor (210) are uniformly distributed on filter bag dust cleaning case (12) inner wall.

7. according to claim 3 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the dust pelletizing system (1) On be additionally provided with gas buffer tank (19), the filter bag dust cleaning case (12) be equipped with pressure relief opening (128), the pressure relief opening (128) with Gas buffer tank (19) connection, the pressure relief opening (128) are equipped with first switch valve (1281), in the gas buffer tank (19) Equipped with one group of pressure sensor (191), the outer wall of the dust pelletizing system (1) is equipped with the second blower (192), the gas buffer Case (19) is connect with the second blower (192), and second blower (192) is equipped with first gas and leads back to pipe (193), and described first The other end that gas leads back to pipe (193) is connect with cooling system (3), and first gas leads back to pipe (193) and opens equipped with second It closes valve (1931).

8. according to claim 1 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the cooling system (3) Including cooling duct (31), cooler (32), cinder dust leg (33) and flue dust letter shoot (34), the cooling duct (31) Both ends connect respectively with dust emission equipment (8) and cooler (32), the gas vent of the cooler (32) and cinder collection Dirt pipe (33) connection, the cinder dust leg (33) connect with flue dust letter shoot (34), the flue dust letter shoot (34) and Dust pelletizing system (1) connection, the cooling duct (31) are equipped with third switch valve (311).

9. according to claim 8 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the cinder dust leg (33) lower section is equipped with cinder conveyer (41), is additionally provided with cinder ash-storing bin (42), the cinder on the cinder conveyer (41) Ash-storing bin (42) is equipped with the 4th switch valve (421).

10. according to claim 8 have the deduster for pressing down fiery explosion arrestment function, it is characterised in that: the dust conveying It is tubaeform that (34), which are managed, close to the end of dust pelletizing system (1), and airflow uniform distribution device is equipped in flue dust letter shoot (34) (341).