CN207203689U - Pulsed bag-type dust equipment - Google Patents

Pulsed bag-type dust equipment Download PDF

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Publication number
CN207203689U
CN207203689U CN201720921887.7U CN201720921887U CN207203689U CN 207203689 U CN207203689 U CN 207203689U CN 201720921887 U CN201720921887 U CN 201720921887U CN 207203689 U CN207203689 U CN 207203689U
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CN
China
Prior art keywords
dust
air
cleaning case
dust cleaning
bag
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Expired - Fee Related
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CN201720921887.7U
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Chinese (zh)
Inventor
梁志伟
梁超毅
梁杰刚
徐荣伟
廖冰心
黄科
梁欣娜
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Guangzhou Panyu Shengda Suinan Co Ltd
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Guangzhou Panyu Shengda Suinan Co Ltd
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Priority to CN201720921887.7U priority Critical patent/CN207203689U/en
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Publication of CN207203689U publication Critical patent/CN207203689U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of pulsed bag-type dust equipment, it includes box body combinations formula sack cleaner, the air pulse recoil cooling device being arranged on box body combinations formula sack cleaner, and for forming the second air-introduced machine of negative-pressure ward effect in pulsed bag-type dust equipment, box body combinations formula sack cleaner includes at least two dust cleaning cases, exhaust passage, air intake passage and dust collect plant, multiple dust cleaning cases are arranged side by side arrangement successively from left to right, each dust cleaning case includes bottom dust chamber, closed upper part gas storehouse, seal card, cloth bag, dust hopper and poppet valve device, it is provided between bottom dust chamber and closed upper part gas storehouse with some through holes sealing card, cloth bag is located at the position that its through hole is corresponded on sealing card, the air intake port of second high temperature draught fan is connected with the gas outlet of exhaust passage.The utility model is designed reasonably, multiple functional, efficiency of dust collection is high, securely and reliably, service life length, has very strong market popularization value.

Description

Pulsed bag-type dust equipment
Technical field
A kind of cleaner is the utility model is related to, it particularly relates to which a kind of be used for expanded perlite process The middle pulsed bag-type dust equipment for producing dust-containing tail gas and filter dirt processing.
Background technology
In expanded perlite production process, big is isolated by inertial filter after dust is suctioned out by air exhauster Grain and fine solid particle, air is discharged into after again passing by sack cleaner filtering.Sack cleaner used at present is mainly gas Box sack cleaner, when traditional air-box type sack cleaner also has following defect:1) in engineering design, air-box type cloth bag It is all to use cleaning equipment of single casing pulsed jet cloth filter as dusty gas that each dust pelletizing system of deduster is most of, by It is higher in the dust concentration of the dusty gas of suction, if single casing pulsed jet cloth filter carries out arteries and veins when carrying out dedusting work Blowback is rushed, not only reduces reverse gas cleaning effect, also substantially reduces the service life of cloth bag, adds the frequency for changing cloth bag With the workload of maintenance, while also considerably increase the operating cost of user, and once single casing sack cleaner produce therefore Barrier, may result in the clean-up effect of pulsed jet cloth filter reduces, and the dust emission concentration after purification can not often reach country Defined discharge standard;2) sack cleaner is a kind of common dry dust removal apparatus, suitable for trapping tiny, dry, non-fibre Dimension property dust, its principle is that dusty gas is filtered using the filtration of fabric, when dusty gas enters cloth bag After deduster, particle is big, heavy dust due to the effect natural subsidence of gravity, fall into storage ash bucket;Tiny dust then by Filter cloth bag detention.During work, dusty gas is entered in casing by blast pipe, and gas passes through filter bag, and dust is delayed at filter On the inner surface of bag, arranged in the space that the clean gas after sock filtration enters above casing internal upper part card through discharge pipe Go out.Tiny dust by cloth bag detention and is adhered on cloth bag in air, with the increase of sack cleaner working time, cloth bag The dust of upper accumulation is more and more, and gas is increasingly difficult to by cloth bag, have impact on the dedusting operating efficiency of sack cleaner, gently Then cause device damage.Therefore, need to set deashing device on sack cleaner periodically to remove the dust on cloth bag, and it is existing A kind of way of technology is that vibrator is set in sack cleaner, and vibrator vibrates all cloth bags to reach the mesh of deashing , it is the defects of this ash removal method, its cloth bag is often subject to the effect of mechanical force, and damage is very fast;Another way is profit Large area revolution purging is carried out with air blower, due to carrying out air revolution purging by air blower, so sack cleaner blowback Effect is poor, causes a large amount of dust to be deposited on cloth bag, and dust suction resistance increase, exhausting amount reduces, and makes expanded perlite production process In caused a large amount of dust can not effectively discharge, cause a large amount of dust to enter factory building, pollute air ambient;3) air-box type cloth bag removes The material of cloth bag in dirt device is usually glass overlay film, and can tolerate limiting temperature is 250 DEG C, and normally operating temperature is no more than 180 DEG C, and enter the temperature of the high temperature dust tail gas of air-box type sack cleaner bag-type dust room typically at 300 DEG C~400 DEG C, If when the higher flue gas of temperature enters in sack cleaner, and it is long-term not in the zone of reasonableness bearing temperature of filter bag, just Danger can be produced, gently then causes device damage to influence production, it is heavy then cause temperature in bag-type dust gas and pressure rise easy Cause equipment to burst, endanger the life safety of worked personnel, it does not have temperature control device and pressure-detecting device, and security is not Height, service life are short.
Utility model content
Deficiency for more than, the utility model provide a kind of reasonable in design, efficiency of dust collection height, securely and reliably, Service life is grown, and is easy to dust granules defective material of the particle diameter less than 5 μm to be more prone to recycle, avoids a large amount of dust and be suspended in Workshop is either discharged to the physical and mental health for polluting or influenceing resident near staff's one-level in air on environment, adopts The environment-friendly type pulsed bag-type dust equipment of interval deashing is carried out with air pulse, it include box body combinations formula sack cleaner, The air pulse recoil cooling device and in the pulsed cloth being arranged on the box body combinations formula sack cleaner Negative-pressure ward effect is formed in bag dust collection equipment to realize the second air-introduced machine that high temperature hot gas continuously uninterruptedly circulates, the casing Combined bag-type dust collector includes at least two dust cleaning cases, exhaust passage, air intake passage and dust collect plant, the multiple dust cleaning case Be arranged side by side arrangement successively from left to right, and each dust cleaning case is an independent dust pelletizing system, each dedusting case and bag Include bottom dust chamber, closed upper part gas storehouse, sealing card, cloth bag, dust hopper and poppet valve device, the bottom dust chamber with Sealing card is provided between the closed upper part gas storehouse, bottom dust chamber is separated into by the sealing card in closed upper part gas storehouse Two separate closing spaces, the sealing card are provided with some through holes communicated with cloth bag, the bottom dust chamber Keep being interconnected by the through hole with closed upper part gas storehouse;The cloth bag is fixedly installed on logical corresponding to it on sealing card The position in hole, and the top end opening of each cloth bag is connected with corresponding through hole on sealing card;The dust hopper with it is described Bottom dust chamber is connected, and air inlet is offered in the side wall of the dust hopper, and the bottom of the dust hopper is provided with out dirt Mouthful, it is provided with the dust mouth and dust collect plant, institute is arranged right below by motor-driven encapsulated rotary valve, the dust hopper Dust collect plant is stated with corresponding dust mouth to be mutually connected;The sealing card is provided with air outlet, and the poppet valve device is used to control The closing or unlatching of air outlet on system sealing card, the poppet valve device includes lifting cylinder and capping valve plate, described to carry The cylinder body for rising cylinder is fixedly installed in closed upper part gas storehouse, and the capping valve plate is used to carry out sealing envelope to the air outlet Stifled, the capping valve plate is located at the position that air outlet is corresponded on the sealing card, and the upper surface of the capping valve plate is fixed It is connected to the output end of the lifting cylinder expansion link;The exhaust passage is used to remove any dust cleaning case in multiple dust cleaning cases Gas after dirt filtration treatment carries out concentration discharge, and each dust cleaning case passes through corresponding air outlet and the exhaust passage phase Connection;The air intake passage is used to the gas containing dust particale being directed to the dust cleaning case progress dust removal and filtration processing, institute Stating air intake passage includes main pipeline by-pass line corresponding with the dedusting box number, and the main pipeline by bypassing accordingly Pipeline keeps connecting with the air inlet of each dust hopper, and the junction of each by-pass line and air inlet is equipped with electromagnetism Valve;The air pulse recoil cooling device includes high pressure tank, air jet pipe corresponding with the dedusting box number and pulse Valve, the high pressure tank are used to store the liquid gas compressed through compressed air unit, the gas outlet of the high pressure tank It is connected with the air inlet port of each air jet pipe, each closed upper part gas storehouse is provided with the injection hole of up/down perforation, Each air jet pipe stretches into the closed upper part gas storehouse via the injection hole, and each air jet pipe is provided with pulse valve; The air intake port of second high temperature draught fan is connected with the gas outlet of the exhaust passage.
In order to further realize the present invention, the air pulse recoil cooling device also includes injection tube and nozzle, described Injection tube is arranged in the closed upper part gas storehouse, the air inlet port of each injection tube and the outlet side of corresponding air jet pipe Mouth is connected, and the axial direction of each injection tube is consistent with the length direction of corresponding cloth bag, the outlet side of each injection tube Mouth is provided with the nozzle relative to the top end opening of each corresponding cloth bag, to cause injection tube to be directed at corresponding cloth bag downwards by nozzle Top end opening.
In order to further realize the present invention, the injection tube designs in branch-like.
In order to further realize the present invention, the air pulse recoil cooling device also includes PLC, the PLC Controller is electrically connected with the pulse valve, when the air pulse recoil cooling device works, the PLC timing control The unlatching of pulse valve processed, the compressed gas in the high pressure tank are inputted in air jet pipe in a pulsed fashion by pulse valve, Inverted draft recoil shake deashing action is produced to cloth bag to realize.
In order to further realize the present invention, the air pulse recoil cooling device also includes PLC and temperature passes Sensor, the PLC are electrically connected with the temperature sensor, and the temperature sensor is arranged under the dust cleaning case In dust chamber of portion, the temperature sensor is used to monitor the temperature in the dust chamber of bottom, the temperature in the dust chamber of bottom in real time When rising to setup pressure value, PLC air pulse cooling device starts ejection air pulse and cools down processing.
In order to further realize the present invention, the air pulse recoil cooling device also includes PLC and pressure passes Sensor, the pressure sensor are arranged in the bottom dust chamber of the dust cleaning case, and the pressure sensor is used to monitor in real time Pressure in the dust chamber of bottom, when the resistance in the dust chamber of bottom rises to setup pressure value, PLC control pulse air Flow cooling device proceeds by shake deashing processing.
In order to further realize the present invention, the box body combinations formula sack cleaner by the first dust cleaning case, the second dust cleaning case, 3rd dust cleaning case, the 4th dust cleaning case, the 5th dust cleaning case, the 6th dust cleaning case are enclosed by the lateral partitions and longitudinal baffle of sealed connection Every into box body combinations formula sack cleaner is separated into by the first dust cleaning case, by the lateral partitions and the longitudinal baffle Two dust cleaning cases, the 3rd dust cleaning case, the 4th dust cleaning case, six of the 5th dust cleaning case and the 6th dust cleaning case composition not connected remove Dirt case, and each dust cleaning case forms an independent dust pelletizing system with the cloth bag in the dust chamber of its underpart.
In order to further realize the present invention, the quantity for sealing the through hole on card is 36.
In order to further realize the present invention, the quantity of the cloth bag is corresponding with the quantity of the through hole.
In order to further realize the present invention, the cloth bag is high temperature resistant, anticorrosive, high mechanical strength PTFE filter bags.
The beneficial effects of the utility model:
1st, pulsed bag-type dust equipment of the present utility model, by the first dust cleaning case, the second dust cleaning case, the 3rd dust cleaning case, 4th dust cleaning case, the 5th dust cleaning case, the 6th dust cleaning case are arranged side by side successively from left to right arranges six not connected groups of composition Mould assembling body, and each dust cleaning case forms an independent dust pelletizing system with the cloth bag in the dust chamber of its underpart, each dust cleaning case Closed upper part gas storehouse is correspondingly arranged a branch-like injection tube, air inlet port and the corresponding air jet pipe of each branch-like injection tube Air outlet is connected, and the axial direction of each branch-like injection tube is consistent with the length direction of corresponding cloth bag, Mei Yifen The air outlet of branch shape injection tube is provided with the nozzle relative to the bottom end opening of each corresponding cloth bag, so as to obtain branch-like injection tube It is directed at the bottom end opening of corresponding cloth bag downwards by nozzle, high pressure tank constantly stores compressed gas, and air pulse recoil is cold But when device works, the unlatching of PLC timed control pulse valve, compressed gas in high pressure tank by pulse valve with The mode of pulse is inputted in air jet pipe, then is flowed into branch-like injection tube, finally by the spray of branch-like injection tube air outlet Mouth is sprayed into the cloth bag of alignment, realizes the recoil shake to cloth bag, can improve the effect and efficiency of pulse backblowing.And first While dust cleaning case recovers dust removal and filtration state, the second dust cleaning case carries out cloth bag deashing according to the first dust cleaning case and passes through low temperature Air pulse cools down work;While the second dust cleaning case recovers dust removal and filtration state, the 3rd dust cleaning case is according to the One dust cleaning case carries out cloth bag deashing and cools down work by low temperature pulse air-flow;4th dust cleaning case, the 5th dedusting Case and the 6th dust cleaning case carry out cloth bag deashing and cool down work by low temperature pulse air-flow successively, i.e., from first Dust cleaning case completes cloth bag deashing to the 6th dust cleaning case successively and cools down work by low temperature pulse air-flow as one Cycle, then with this reciprocal progress.So allow for independently of each other filtering dust-laden particle tail gas in five dust cleaning cases While dedusting works, and one of dust cleaning case carries out interval deashing using air pulse, on the one hand causes air intake passage Dusty gas containing high concentrate dust, which more uniformly enters in box body combinations formula sack cleaner, carries out dedusting, on the other hand The dust cleaning case of interval deashing therein is of short duration to be stopped a period of time, can avoid working long hours cause operating temperature compared with Height, the dedusting operating efficiency of box body combinations formula sack cleaner is not only increased, also effectively increase box body combinations formula cloth bag and remove The stability of dirt device work operation, reduces fault rate and maintenance cost.
2nd, pulsed bag-type dust equipment of the present utility model, air pulse recoil cooling device, each dedusting are provided with Case is disposed with the bottom dust chamber of cloth bag and is provided with temperature sensor, pressure sensor is arranged at, and temperature sensor is used for real When monitor bottom dust chamber in temperature, cause cloth bag to burn to prevent the temperature in the dust chamber of bottom too high, pressure sensing Device is used to monitor the pressure in the dust chamber of bottom in real time, to prevent the filter bag outer surface in dust cleaning case from adhering to a thick layer of micronic dust Particle and influence efficiency of dust collection.With the extension of Bag filter time, the dust layer constantly product on cloth bag is thick, the resistance of cleaner Power constantly rises with temperature, when the resistance of dedusting rises to setup pressure value, PLC control air pulse cooling device Proceed by deashing;When the temperature of dedusting rises to setup pressure value, PLC air pulse cooling device starts to spray Air pulse cools down processing.Therefore, box body combinations formula sack cleaner of the present utility model is carrying out arteries and veins to cloth bag While punching shake deashing or because the more gas of dust of the cloth bag accumulation in the dust chamber of bottom is difficult to by cloth bag and caused by In the dust chamber of bottom pressure is larger and the reasonable temperature scope that can bear close to filter bag by the temperature in the dust chamber of bottom Under a variety of situations, the compressed liquid air in the high pressure tank of the air pulse recoil cooling device utilized sprays automatically and vapour Change heat absorption, reach and take away most of heat of dusty gas in the whirlwind of falling funnel-form portion using cold air absorption heat and reach cold But the purpose to cool, it effectively prevent cloth bag and bear the problem of high temperature is burned, effectively extend the life-span of cloth bag group and carry The high efficiency of dust collection of box body combinations formula sack cleaners.Which overcome the higher flue gas of temperature in the prior art and enter cloth bag In deduster, and it is long-term not in the zone of reasonableness bearing temperature of filter bag, danger is easily produced, causes device damage to influence production And causing equipment to burst the life safety for endangering worked personnel, it does not have temperature control device and pressure-detecting device, safety The defects of property is not high, and service life is short.
3rd, pulsed bag-type dust equipment of the present utility model, using more box body combinations formula sack cleaners so that dust-laden Tail gas is more dispersed and inside evenly into bag-type dust, reaches the shunting action of dusty gas, relative to what is be separately provided For bag-type dust case so that the filter area increase of bag-type dust equipment, not only make it that dust filter effect was higher, but also The dust granules of high concentration can be avoided to concentrate the independent dust cleaning case into narrow space and easily enter to the micropore of cloth bag surface Row instantaneously blocks and needs frequently shake deashing.In addition, employ pulse compression air using air pulse recoil cooling device Purging, so reducing blowback energy consumption, its is simple in construction, injection effect is good, improvement cost is low, can produce expanded perlite Caused dust is effectively cleared up in journey.
4th, pulsed bag-type dust equipment of the present utility model, the utility model control use the touch-screen of PLC Control mode, the program through having been woven built in PLC, when air pulse recoil cooling device works, PLC timing controlled The unlatching of pulse valve, the compressed gas in high pressure tank is inputted in air jet pipe in a pulsed fashion by pulse valve, then is flowed into In branch-like injection tube, finally the nozzle by branch-like injection tube air outlet is sprayed into the cloth bag of alignment, is realized to cloth bag Recoil shake, the effect and efficiency of pulse backblowing can be improved.Each dust cleaning case is individually passed using temperature sensor and pressure Sensor, the temperature and pressure of collection dedusting lower box part dust chamber, can real-time display flue-gas temperature, in the reasonable model of filter bag bearing temperature In enclosing, flue gas is through sock filtration, when bearing pressure more than filter bag bearing temperature or bottom dust chamber, PLC control Air pulse cooling device, which proceeds by deashing or starts ejection air pulse, cools down processing.The utility model is set Meter is reasonable, and multiple functional, usability is strong, securely and reliably, service life length, has very strong market popularization value.
5th, pulsed bag-type dust equipment of the present utility model, dusty gas is sunk for the first time first with dust hopper Drop, make to be deposited to dust hopper in the presence of primary settling and sole mass compared with coarse granule dirt and most of dust, and through rotation Rotary valve discharges dust from dust mouth, has reached the purpose removed to the large-scale particle in dusty gas, has then been removed using cloth bag Dirt case is removed to the tiny dust in remaining dusty gas, so that dedusting is more thorough, better dust removal effect.And can profit Scraps recycle is carried out to dust granules of the particle diameter less than 5 μm with the cloth bag group in pulsed bag-type dust equipment dust cleaning case so that Dust granules defective material less than 5 μm is more prone to recycle, and avoids a large amount of dust and is suspended in workshop or is discharged to big Environment is polluted in gas, influences the physical and mental health of staff and neighbouring resident.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model;
Fig. 2 is the structural representation that storage pot type of the present utility model is classified material choosing apparatus;
Fig. 3 is the cross-sectional cut-away structural representation that storage pot type of the present utility model is classified material choosing apparatus;
Fig. 4 is the structural representation of box body combinations formula sack cleaner of the present utility model;
Fig. 5 is the cross section structure diagram of A-A sections in Fig. 4;
Fig. 6 is the cross section structure diagram of B-B sections in Fig. 4.
Embodiment
The utility model is further elaborated below in conjunction with the accompanying drawings, wherein, direction of the present utility model is using Fig. 1 as mark It is accurate.
As shown in Figures 1 to 6, pulsed bag-type dust equipment of the present utility model, it includes storage pot type classification sorting dress 1, box body combinations formula sack cleaner 2, air pulse recoil cooling device 3 and high temperature blower unit 4 are put, wherein:
Storage pot type classification material choosing apparatus 1 is included under tank body 11,12, four pieces of the whirlwind of falling funnel-form portion dividing plate 13 and four bottoms Hopper 14, tank body 11 and the whirlwind of falling funnel-form portion 12, which use, has high rigidity, high-wearing feature and high-fire resistance and thermal conductivity Can good white steel be made, overcome easily get rusty using magazine made of traditional steel, be easy to wear, poor heat resistance and radiating The defects of property difference.Tank body 11 is in longitudinally disposed, and tank body 11 is designed to the cylinder with hollow cavity, and the top of tank body 11 is in close Closure designs are sealed, the exterior contour and its internal cavities in the whirlwind of falling funnel-form portion 12 design in cone shape, the rotation of falling funnel-form Wind portion 12 is arranged on the position that the top of tank body 11 is corresponded in the hollow cavity of tank body 11, the bottom sides in the whirlwind of falling funnel-form portion 12 Along being connected with the madial wall seamless seal of tank body 11, to cause the lateral wall in the whirlwind of falling funnel-form portion 12 and the hollow cavity of tank body 11 Upper space form a closed heat exchange cooling chamber 15, and the madial wall in the whirlwind of falling funnel-form portion 12 and tank body 11 are hollow The central space of inner chamber forms a cyclone classified sorting room 16;Wherein, heat exchange cooling chamber 15 is provided with six cold air inlets 151 With a heat outlet 152, circumferential be evenly distributed on tank body 11 of six cold air inlets 151 corresponds to its heat exchange cooling chamber 15 Bottom outside wall on, can so avoid cold air from excessively intensively entering heat exchange cooling chamber 15, and reduce cold air to heat hand over Change the effect that cools of cooling chamber 15;Heat outlet 152 is arranged on the tip position of heat exchange cooling chamber 15, to cause cold sky Gas from six cold air inlets 151 it is dispersed enter the bottom space of heat exchange cooling chamber 15, and along the rotation of falling funnel-form The cone shaped outer wall in wind portion 12 rises to the headroom of heat exchange cooling chamber 15, finally comes together in union at heat outlet 152 The heat outlet 152 from the top of heat exchange cooling chamber 15 is discharged middlely, is absorbed heat not using the liquid air vaporization of compression with this Disconnected circulation, by way of heat radiation and heat transfer, reach and take away the whirlwind of falling funnel-form portion 12 using cold air absorption heat Most of heat of interior dusty gas and reach the purpose to cool.Six of heat exchange cooling chamber 15 in the present embodiment are cold High pressure tank 31 of the gas entrance 151 with air pulse recoil cooling device 3 is connected, and each cold air inlet 151 is all provided with The magnetic valve controlled by electrical control gear is equipped with, is controlled with timing controlled or according to cooling required in high pressure tank 31 Compression cold air enter heat exchange cooling chamber 15, with the height for carrying perlite particle to entering the whirlwind of falling funnel-form portion 12 Warm tail gas is cooled down, so as to reduce the temperature of storage pot type classification material choosing apparatus 1 and its expanded perlite material.In the present embodiment Cooling fluid be not limited to liquid air, it can be the cold air of compression, the gas such as liquid nitrogen, can also be using existing The cold water that the electric pump set in water source is constantly pumped into, or by the use of electric pump be pumped into it is other can as the liquid of cooling device, This is not restricted.
Four pieces of dividing plates 13 are arranged on the position that the bottom of tank body 11 is corresponded in the hollow cavity of tank body 11, and all dividing plates 13 are equal In longitudinally disposed, four pieces of dividing plates 13 are radially uniformly distributed around the central axis of tank body 11, each dividing plate 13 respectively with tank body 11 madial wall is fixedly connected in a welding manner, and the bottom cavity volume of tank body 11 is separated to form into four fan-shaped chambers, i.e., and first Fan-shaped chamber 111, the second fan-shaped chamber 112, the 3rd fan-shaped chamber 113 and the 4th fan fan-shaped chamber 114.First fan-shaped chamber 111, second is fan-shaped The form that chamber 112, the 3rd fan-shaped chamber 113 and four fan-shaped chamber 114 rotate in a counter-clockwise direction arrangement successively collectively constitutes cross The storage bin of chiasma type, the bottom of each fan-shaped chamber are independently arranged a bottom hopper 14, on each bottom hopper 14 Portion connects with corresponding each fan-shaped chamber seamless seal, and the bottom of each bottom hopper 14 is provided with discharging opening 141, discharging opening 141 are provided with motor-driven encapsulated rotary valve, in order to fall into the expanded perlite material in four fan-shaped chambers in time discharge or Person is easy to pack, and rotary valve is realized using prior art.
Justified by upper cone shape portion (the taper receiving portion in the whirlwind of falling funnel-form portion 12) and bottom cyclone classified sorting room 16 Cylinder portion forms, and cyclone classified sorting room 16 is provided with air inlet 161 and air outlet 162, the air inlet 161 of cyclone classified sorting room 16 It is arranged at air outlet 162 in the side wall in the whirlwind of falling funnel-form portion 12, the height and position of air inlet 161 is than air outlet 162 Height and position is low, in favor of forming spiralling whirlwind in the cyclone classified upper cone shape portion of sorting room 16, can both reach To the purpose of sorting expanded perlite material, similar cyclone dust collectors can be played a part of again to remove the bulky grain in tail gas Dust, the dust impurities in expanded perlite finished product are reduced, improve product quality.Preferably, air inlet 161 is arranged on down funnel Along the middle position of its short transverse in the side wall of shape whirlwind portion 12, and air inlet 161 is located at the top of the first fan-shaped chamber 111;Go out Air port 162 is arranged in the side wall of the whirlwind of falling funnel-form portion 12 close to the position at the vertex of a cone end of the whirlwind of falling funnel-form portion 12, and air outlet 162 are located at the top of four fan-shaped chamber 114, with the purpose for reaching preferable material separating effect and removing big dust particle.
In the present embodiment, the height of tank body 11 is designed as 8m, and the height of each fan-shaped chamber is designed as 3m, the whirlwind of falling funnel-form Axial height (the hang down height) 2m in portion 12, the bottom cylindrical portion of cyclone classified sorting room 16 are highly designed as 3m.The whirlwind of falling funnel-form The taper in portion 12 is preferably 1.5~2, when the timing of axial height one in the whirlwind of falling funnel-form portion 12, the whirlwind of falling funnel-form portion 12 Taper is excessive, then the upper cone shape portion in the whirlwind of falling funnel-form portion 12 is unfavorable for forming whirlwind sorting, is also unfavorable for high temperature dust From the bottom of cyclone classified sorting room 16, motion of spinning rises to the row of air outlet 162 that the whirlwind of falling funnel-form portion 12 is provided with to tail gas Go out, reduce the separating effect to expanded perlite granule, be also unfavorable for discharging with gas containing dust granules in gas, up to not To preferable dust removing effects.When the timing of axial height one in the whirlwind of falling funnel-form portion 12, the taper mistake in the whirlwind of falling funnel-form portion 12 It is small, then the upper cone shape portion in the whirlwind of falling funnel-form portion 12 advantageously form whirlwind sorting, be also beneficial to high temperature dust tail gas from The motion of spinning of the bottom of cyclone classified sorting room 16 rises to the air outlet 162 that the whirlwind of falling funnel-form portion 12 is provided with and discharged, can Improve and discharged in gas containing dust granules with gas, reach preferable dust removing effects, but expanded perlite granule is with gas Effective area for the helical movement reduces, and does not reach optimal classification and sorting effect.Therefore pass through repeatedly test and improvement repeatedly, fall When the taper in funnel-form whirlwind portion 12 is 2, you can so that entering the expanded perlite in the whirlwind of falling funnel-form portion 12 with dust-containing tail gas Particle reaches preferable separating effect, and big dust particle can be caused to be discharged with tail gas and reach preferable dust removing effects again.
Box body combinations formula sack cleaner 2 includes the first dust cleaning case 21, the first dust cleaning case 22, the 3rd dust cleaning case the 23, the 4th Dust cleaning case 24, the 5th dust cleaning case 25, the 6th dust cleaning case 26, exhaust passage 27, air intake passage 28 and dust collect plant.First dust cleaning case 21st, the first dust cleaning case 22, the 3rd dust cleaning case 23, the 4th dust cleaning case 24, the 5th dust cleaning case 25, the 6th dust cleaning case 26 from left to right according to The secondary arrangement that is arranged side by side, the first dust cleaning case 21, the first dust cleaning case 22, the 3rd dust cleaning case 23, the 4th dust cleaning case 24, the 5th dust cleaning case 25th, the 6th dust cleaning case 26 forms by the lateral partitions and longitudinal baffle enclosure of sealed connection, and lateral partitions and longitudinal baffle will Box body combinations formula sack cleaner 2 is separated into by the first dust cleaning case 21, the first dust cleaning case 22, the 3rd dust cleaning case 23, the 4th dedusting Case 24, the 5th dust cleaning case 25 and the 6th dust cleaning case 26 composition six not connected dust cleaning cases, and each dust cleaning case and its Cloth bag 214 in bottom dust chamber 211 forms an independent dust pelletizing system.First dust cleaning case 21, the first dust cleaning case the 22, the 3rd Any dust cleaning case in dust cleaning case 23, the 4th dust cleaning case 24, the 5th dust cleaning case 25, the 6th dust cleaning case 26 includes bottom dust chamber 211st, closed upper part gas storehouse 212, sealing card 213, cloth bag 214, dust hopper 215, poppet valve device 216 and dust collect plant, Sealing card 213 is provided between bottom dust chamber 211 and closed upper part gas storehouse 212, sealing card 213 is set in horizontal, sealing Card 213 is connected with the inner wall sealing of dust cleaning case, and bottom dust chamber 211 and closed upper part gas storehouse 212 are separated into mutually solely Two vertical closing spaces, sealing card 213 are provided with some through holes 2131 communicated with cloth bag 214, bottom dust chamber 211 and Closed upper part gas storehouse 212 keeps being interconnected by sealing the through hole 2131 on card 213;Seal the through hole on card 213 2131 quantity is 36, and 36 cloth bags 214 are fixedly installed on the position that its through hole 2131 is corresponded on sealing card 213, often One cloth bag 214 is in longitudinally disposed (length direction of cloth bag 214 is vertical with horizontal plane holding), and the top of each cloth bag 214 is opened Mouth is connected with corresponding through hole 2131 on sealing card 213, and cloth bag 214 is realized using prior art, the cloth bag of the present embodiment 214 be preferably high temperature resistant, anticorrosive, high mechanical strength PTFE filter bags;Dust hopper 215 is seamless close with bottom dust chamber 211 Envelope connection, dust hopper 215 are connected with bottom dust chamber 211, and dust-containing tail gas entrance is offered in the side wall of dust hopper 215 2152, the bottom of dust hopper 215 is provided with dust mouth 2151, and each dust hopper 215 is arranged right below dust collect plant, each Dust collect plant is connected with the corresponding phase of dust mouth 2151, and dust collect plant can be material collecting tank or collecting bin or packaging Bag.It is provided with dust mouth 2151 and is realized by motor-driven encapsulated rotary valve, encapsulated rotary valve using prior art, sealing rotation The dust that valve is used for periodically by aggregation in dust hopper 215 is discharged from dust mouth 2151, and the dust granules centralized collection of discharge exists In dust hopper 215, the dust granules of discharge both can realize multiple use as industrial processes raw material, can be used as building again Auxiliary material.Each closed upper part gas storehouse 212 is provided with the injection hole 2121 of up/down perforation, and sealing card 213 is provided with ventilation Mouth 2132, poppet valve device 216 are used to control the holding closing of ventilating opening 2132 or opening on sealing card 213, carried Lift valve device 216 includes lifting cylinder 2161 and capping valve plate 2162, and the cylinder body of lifting cylinder 2161 is fixed by air cylinder support It is arranged in closed upper part gas storehouse 212, and lifting cylinder 2161 corresponds to the upper of ventilating opening 2132 on sealing card 213 Side, capping valve plate 2162 are used to carry out sealing blocking to ventilating opening 2132 on sealing card 213, and capping valve plate 2162 is arranged on close Seal on card 213 and correspond to the position of ventilating opening 2132, the upper surface of capping valve plate 2162 is fixedly connected on lifting cylinder 2161 The output end of expansion link.
Exhaust passage 27 be used for by the first dust cleaning case 21, the first dust cleaning case 22, the 3rd dust cleaning case 23, the 4th dust cleaning case 24, The gas after any dust cleaning case progress dust removal and filtration in 5th dust cleaning case 25, the 6th dust cleaning case 26 carries out concentration discharge, and first In dust cleaning case 21, the first dust cleaning case 22, the 3rd dust cleaning case 23, the 4th dust cleaning case 24, the 5th dust cleaning case 25, the 6th dust cleaning case 26 Each dust cleaning case is connected by the ventilating opening 2132 sealed on card 213 with exhaust passage 27, the exhaust end of exhaust passage 27 Mouth connects with exhaust gas processing device.
Air intake passage 28 is used to the gas containing dust granules being directed to the first dust cleaning case 21, the first dust cleaning case 22, the Any dust cleaning case in three dust cleaning cases 23, the 4th dust cleaning case 24, the 5th dust cleaning case 25, the 6th dust cleaning case 26 carries out dust removal and filtration, Air intake passage 28 includes main pipeline 281 and six roots of sensation by-pass line 282, and main pipeline 281 is one end open, the cylinder type of one end closing Pipeline, main pipeline 281 pass through each dust hopper 215 of corresponding by-pass line 282 and box body combinations formula sack cleaner 2 Dust-containing tail gas entrance 2152 keeps connection, and the junction of each by-pass line 282 and dust-containing tail gas entrance 2152 is equipped with electricity Magnet valve, each remove is entered with the control program control dust-containing tail gas pre-set by magnetic valve according to dedusting needs and equipment Dirt case.
Air pulse recoil cooling device 3 includes compressed air unit (not shown), high pressure tank 31, six roots of sensation spray Tracheae 32, injection tube (not shown), nozzle (not shown), pulse valve (not shown), temperature sensor are (in figure Be not shown), pressure sensor (not shown) and PLC (not shown).Compressed air unit is used for will suction Air be compressed processing, it is final to obtain liquid air or liquid nitrogen.Compressed air unit using prior art realize, Compressed air unit is connected with the air inlet of high pressure tank 31, and high pressure tank 31 is used to store through compressed air unit pressure The liquid gas of contracting, the air outlet 162 of high pressure tank 31 are connected with the air inlet port of each air jet pipe 32, each air jet pipe 32 extend into closed upper part gas storehouse 212 via the injection hole 2121 of closed upper part gas storehouse 212, and each air jet pipe 32 with it is corresponding Injection hole 2121 be tightly connected, each air jet pipe 32 is provided with pulse valve, and pulse valve is realized using prior art.Six dedustings The closed upper part gas storehouse 212 of case is correspondingly arranged a branch-like injection tube, the air inlet port of each branch-like injection tube with it is corresponding The air outlet of air jet pipe 32 is connected, and the axial direction of each branch-like injection tube is protected with the length direction of corresponding cloth bag 214 To hold unanimously, the air outlet of each branch-like injection tube is provided with the nozzle relative to the top end opening of each corresponding cloth bag 214, with So that branch-like injection tube is directed at downwards the top end opening of corresponding cloth bag 214 by nozzle.PLC respectively with pulse valve, Temperature sensor, pressure sensor and magnetic valve are electrically connected with, and compressed air unit is that high pressure tank 31 constantly provides compression Gas source, high pressure tank 31 constantly store compressed gas, and when air pulse recoil cooling device 3 works, PLC is fixed When control the unlatching of pulse valve, the compressed gas in high pressure tank 31 inputs air jet pipe 32 by pulse valve in a pulsed fashion It is interior, then flow into branch-like injection tube, finally the nozzle by branch-like injection tube air outlet sprays into the cloth bag 214 of alignment It is interior, the recoil shake to cloth bag 214 is realized, the effect and efficiency of pulse backblowing can be improved.Temperature sensor, pressure sensor It is arranged at each dust cleaning case to be provided with the bottom dust chamber 211 of cloth bag 214, temperature sensor is used to monitor bottom filter in real time Temperature in dirt room 211, cloth bag 214 is caused to burn to prevent the temperature in bottom dust chamber 211 too high, pressure sensor is used Pressure in the bottom dust chamber 211 of monitoring in real time, to prevent the filter bag outer surface in dust cleaning case from adhering to a thick layer of dust Particle and influence efficiency of dust collection.With the extension of the filtration time of cloth bag 214, the dust layer constantly product on cloth bag 214 is thick, and dedusting is set Standby resistance constantly rises with temperature, and when the resistance of dedusting rises to setup pressure value, PLC control air pulse is cold But device proceeds by deashing;When the temperature of dedusting rises to setup pressure value, PLC air pulse cooling device is opened Beginning sprays air pulse and cools down processing.
High temperature blower unit 4 is used to form negative pressure in device systems, to utilize negative pressure to the high temperature in each device systems Hot gas is aspirated, and realizes that the high temperature hot gas in device systems is uninterruptedly circulated.High temperature blower unit 4 includes the first high temperature Air-introduced machine 41, the second high temperature draught fan 42, the first high temperature induced duct, the second high temperature induced duct and third high temperature induced duct, first The air intake port of high temperature draught fan 41 is connected by the first high temperature induced duct with the air outlet 162 of cyclone classified sorting room 16, The air intake port of cyclone classified sorting room 16 is connected by the second high temperature induced duct with the discharging port of furnace for expanding perlite;The The air-out port of one high temperature draught fan 41 passes through third high temperature induced duct and the air intake passage 28 of box body combinations formula sack cleaner 2 It is connected, the air intake port and air-out port of the second high temperature draught fan 42 are removed by exhaust manifolds and box body combinations formula cloth bag respectively The exhaust outlet of the exhaust passage 27 of dirt device 2 is connected with tail gas unit.
The basic functional principle and workflow of the present invention:
1) under the suction function that the first high temperature draught fan 41 is formed, the expanded perlite in expansion furnace Jing Guo high-temperature roasting Particle (2~30mm of particle diameter) is inhaled into the second high temperature induced duct with high-temperature tail gas (600 DEG C~800 DEG C), subsequently into storage Pot type is classified the cyclone classified sorting room 16 of material choosing apparatus 1, after swiftly flowing high-temperature tail gas enters cyclone classified sorting room 16, Just make spiral to the higher air outlet 162 in position from the relatively low air inlet 161 in position in conical portion at an upper portion thereof to move, Its principle is similar to cyclone dust collectors, during high-temperature tail gas carries out spiral, because expanded perlite granule has one Fixed weight, expanded perlite granule will be close in the presence of Action of Gravity Field and tangential revolving force and the edge rotation of falling funnel-form The medial surface of wind portion 12 slides, and due to the difference of the weight of the expanded perlite granule of different-grain diameter, will make it that particle diameter is larger Expanded perlite granule is rotated with the less expanded perlite granule of particle diameter and separated, expanded perlite in spiral under rotation The first fan-shaped chamber 111, the second fan-shaped chamber 112, the 3rd fan-shaped chamber will be fallen on down according to the size of particle diameter successively during falling 113 and four fan-shaped chamber 114 in, i.e., the larger expanded perlite granule of particle diameter just falls in the first fan-shaped chamber 111, and particle diameter takes second place Expanded perlite granule just fall in the second fan-shaped chamber 112, the less expanded perlite granule of particle diameter just fall the 3rd fan In shape chamber 113, the minimum expanded perlite granule of particle diameter just falls in four fan-shaped chamber 114, and storage pot type is utilized so as to reach It is classified material choosing apparatus 1 and carries out the purpose that expanded perlite finished product carries out sizing screening according to different particle size ranges.In addition, whirlwind The upper cone shape portion (receiving portion in the whirlwind of falling funnel-form portion 12) of classification sorting room 16 is provided with bottom cylindrical portion, extends swollen Fall time of the swollen perlite particle in storage pot type classification material choosing apparatus 1, on the one hand further increases expanded perlite The separating effect of grain, on the other hand cause expanded perlite granule is fully dispersed during whereabouts to open and have sufficiently long Time radiate its own carrying heat, avoid concentrations or fall time it is too short perlite aggregation amount of heat, with The packaging bag being engaged at the dust mouth 2151 of dust hopper 215 is scorched, consequently facilitating the expansion by whereabouts in dust hopper 215 Perlite finished product is packed in time, improves expanded perlite finished product production efficiency.
2) while storage pot type classification material choosing apparatus 1 carries out expanded perlite, the high temperature dust that is sucked by air inlet 161 Gas in the upper cone shape portion of cyclone classified sorting room 16 inside spin rotate, under the action of the centrifugal force complete high-temperature flue gas with The first separation of dust granules, be now the working mechanism of conventional cyclone dust collectors, flue gas separated with dust granules after finally from Air outlet 162 is discharged, i.e., while material choosing apparatus 1 is classified to expanded perlite progress classification and sorting using storage pot type, may be used also To carry out a conventional dust removal to perlite, the dust granules more than 5 μm are removed, eliminating conventional storage equipment needs to match somebody with somebody in addition The defects of putting a cyclone separator, storage pot type classification material choosing apparatus 1 integrate expanded perlite granule sorting, perlite finished product with And remove dust granules multi-functional of the particle diameter less than 5 μm mixed in finished product and be integrated, simple in construction, ingenious compact, cost It is cheap.
3) while storage pot type is classified material choosing apparatus 1 to expanded perlite progress classification and sorting, six cold air is opened and are entered The heat exchange cooling chamber 15 that the magnetic valve of mouth 151 is classified material choosing apparatus 1 to storage pot type constantly equably inputs liquid compressed air, Liquid compressed air temperature while vaporization drastically reduces, the cone of the cold air of low temperature along the whirlwind of falling funnel-form portion 12 Outer wall rises to the headroom of heat exchange cooling chamber 15, the final heat outlet 152 concentrated from the top of heat exchange cooling chamber 15 Discharge, absorbed heat using the liquid air vaporization of compression with this and constantly circulated, by way of heat radiation and heat transfer, reached Heat, which is absorbed, using cold air takes away most of heat of dusty gas and reduction storage pot type point in the whirlwind of falling funnel-form portion 12 Level material choosing apparatus 1 and its expanded perlite material temperature, on the one hand avoid storage pot type classification material choosing apparatus 1 in temperature it is too high and Equipment is caused to damage and influences normal operation, the service life of storage pot type classification material choosing apparatus 1 is extended, on the other hand causes The expanded perlite granule being stored in after sorting in fan-shaped chamber is reduced to suitable temperature in time, is easy to fill bag packaging, improves life Produce efficiency.
4) under the collective effect of the first high temperature draught fan 41 and the second high temperature draught fan 42, storage pot type classification material choosing apparatus 1 particle diameter that can not be removed is less than 5 μm of dust granules, as dust-containing tail gas (flue gas) is successively via box body combinations formula bag-type dust The air intake passage 28 of device 2, the by-pass line 282 of air intake passage 28 are from the dust-containing tail gas entrance in the side wall of dust hopper 215 2152, then enter bottom dust chamber 211 via dust hopper 215, by the dust removal and filtration of cloth bag 214 in bottom dust chamber 211 Enter closed upper part gas storehouse 212 afterwards, then the configured ventilating opening 2132 on sealing card 213 is from the row of closed upper part gas storehouse 212 Go out;After a period of time, the aggregation of dust on cloth bag 214 passes through the control capping valve of lifting cylinder 2161, it is necessary to carry out deashing processing The ventilating opening 2132 sealed on card 213 is carried out sealing blocking by plate 2162, while controls high pressure tank to go out by pulse valve Gas, blowing gas blow to cloth bag 214 by injection tube, are blown off from opposite direction by the dust of the outer wall of cloth bag 214.
5) basic functional principle of box body combinations formula sack cleaner 2:
First, in the first dust cleaning case 21, capping valve plate 2162 is controlled to seal on card 213 by lifting cylinder 2161 Ventilating opening 2132 carry out sealing blocking, by the closed gas storehouse in top filter dirt after air-flow block, meanwhile, the first dust cleaning case 21 The magnetic valve that sets of the junction of by-pass line 282 of dust-containing tail gas entrance 2152 and air intake passage 28 of dust hopper 215 close Close, to prevent dusty gas from entering the bottom dust chamber 211 of the first dust cleaning case 21, and control air jet pipe 32 to spray by pulse valve Go out compressed gas, the compressed gas moment sprayed from air jet pipe 32 vaporizes in top gas storehouse, and compressed liquid gas is vaporizing While occur volumetric expansion and to absorb substantial amounts of heat simultaneously, the gas after the extremely low expansion of temperature will rapidly pour in cloth bag 214 so that the dilatancy of cloth bag 214 simultaneously produces high vibration, and reverse low-temperature airflow constantly wash away under, be attached to cloth bag The dust of 214 outer surfaces will be stripped and fall under gravity into dust hopper 215, while significantly reduce cloth Temperature in bag 214 and bottom dust chamber 211, prevents cloth bag 214 to be burned, effectively extend life-span of 214 groups of cloth bag with And improve efficiency of dust collection.
After the outer surface deashing of cloth bag 214 finishes, and temperature reaches the preference temperature of dedusting again, the first dust cleaning case 21 Dust hopper 215 dust-containing tail gas entrance 2152 and air intake passage 28 the junction of by-pass line 282 set magnetic valve open Open, control capping valve plate 2162 to reopen the ventilating opening 2132 sealed on card 213 by lifting cylinder 2161, will be upper The closed gas storehouse in portion flows to the air-flow after the filter dirt of exhaust passage 27 and returns to circulation status, while the ejection in the closed gas storehouse in top Pulse valve on pipe is closed, and the first dust cleaning case 21 recovers dust removal and filtration state again.
While the first dust cleaning case 21 recovers dust removal and filtration state, the first dust cleaning case 22 is carried out according to the first dust cleaning case 21 The deashing of cloth bag 214 acts and cools down work by low temperature pulse air-flow;Recover dedusting in the first dust cleaning case 22 While filter state, the 3rd dust cleaning case 23 carries out cloth bag deashing according to the first dust cleaning case 21 and carried out by low temperature pulse air-flow cold But cool work;4th dust cleaning case 24, the 5th dust cleaning case 25 and the 6th dust cleaning case 26 carry out cloth bag deashing and passed through successively Low temperature pulse air-flow cools down work.From the first dust cleaning case 21 successively to the 6th dust cleaning case 26 complete cloth bag deashing and It is a cycle to cool down work by low temperature pulse air-flow, then with this reciprocal progress.
Dusty gas enters the bottom dust chamber 211 of each dust cleaning case by air intake passage 28, and in dusty gas During by cloth bag 214 in each dedusting lower box part dust chamber 211, micropore on cloth bag 214 can allow gas by preventing Dust granules are by causing dust granules to be deposited in the outer surface of cloth bag 214, and sealing can then be passed through by filtering the dustless gas after dirt The through hole 2131 of card 213 flows into the closed gas storehouse in top, then flows into outlet via the ventilating opening 3131 on sealing card 213 and lead to Road, concentrated eventually through exhaust passage 27 and introduce exhaust gas processing device, the clean gas after processing reaches the mark of environment protection emission Standard is discharged into air.
The storage pot type classification material choosing apparatus 1 of the present invention utilizes the whirlwind of falling funnel-form portion 12 and its air inlet 161 and air outlet The particular design of 162 heights, make its structure similar to ordinary cyclones separator, can be classified to perlite material finished product The granule dust that the particle diameter in dust is less than 5 μm is first filtered out while sorting, the granule dust less than 5 μm passes through box body combinations Cloth bag 214 in the dust cleaning case of formula sack cleaner 2 carries out final dusting, and the granule dust less than 5 μm stopped by cloth bag 214 falls Enter in dust hopper 215, the dust mouth 2151 of the bottom of dust hopper 215 is provided with rotary valve (ash-valve), and rotary valve can be beaten Open and close, when rotary valve, which works, to be opened, the granule dust less than 5 μm after filtering can be from the dust discharge of dust hopper 215 Mouth is discharged and is collected into dust collect plant or directly carry out filling bag packaging, and less than 5 μm after filtering is uniformly processed Grain dust, not only reduce and reduce dust arbitrarily discharge pollution to caused by air, be also used as processing raw material or build Auxiliary material is used, and turns waste into wealth, and has saved resource, meets the requirement of environmental protection and energy saving.
The better embodiment of the present invention is the foregoing is only, the invention is not limited in above-mentioned embodiment, is implementing During there may be local small structural modification, if not departing from the essence of the present invention to the various changes or modifications of the present invention God and scope, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes And modification.

Claims (10)

1. a kind of pulsed bag-type dust equipment, it includes box body combinations formula sack cleaner, is arranged on the box body combinations formula Air pulse recoil cooling device and for forming negative pressure in the pulsed bag-type dust equipment on sack cleaner Swabbing action is to realize the second high temperature draught fan that high temperature hot gas continuously uninterruptedly circulates, it is characterised in that:The box body combinations Formula sack cleaner includes at least two dust cleaning cases, exhaust passage, air intake passage and dust collect plant, and the multiple dust cleaning case is from a left side To the right arrangement that is arranged side by side successively, each dust cleaning case is an independent dust pelletizing system, under each dust cleaning case includes Dust chamber of portion, closed upper part gas storehouse, sealing card, cloth bag, dust hopper and poppet valve device, the bottom dust chamber with it is described Sealing card is provided between closed upper part gas storehouse, bottom dust chamber is separated into mutually by the sealing card in closed upper part gas storehouse Two independent closing spaces, the sealing card are provided with some through holes communicated with cloth bag, the bottom dust chamber with it is upper Close gas storehouse and keep being interconnected by the through hole in portion;The cloth bag is fixedly installed on sealing card corresponding to its through hole Position, and the top end opening of each cloth bag is connected with corresponding through hole on sealing card;The dust hopper and the bottom Dust chamber is connected, and air inlet is offered in the side wall of the dust hopper, and the bottom of the dust hopper is provided with dust mouth, institute State to be provided with dust mouth and dust collect plant, the collection are arranged right below by motor-driven encapsulated rotary valve, the dust hopper Dirt device is mutually connected with corresponding dust mouth;The sealing card is provided with air outlet, and the poppet valve device is close for controlling The closing or unlatching of air outlet on card are sealed, the poppet valve device includes lifting cylinder and capping valve plate, the lifting gas The cylinder body of cylinder is fixedly installed in closed upper part gas storehouse, and the capping valve plate is used to carry out sealing blocking, institute to the air outlet State capping valve plate and be located at the position that air outlet is corresponded on the sealing card, the upper surface of the capping valve plate is fixedly connected on The output end of the lifting cylinder expansion link;The exhaust passage is used for any dust cleaning case dust removal and filtration in multiple dust cleaning cases Gas after processing carries out concentration discharge, and each dust cleaning case is connected by corresponding air outlet with the exhaust passage; The air intake passage is used to the gas containing dust particale being directed to the dust cleaning case progress dust removal and filtration processing, the air intake Passage includes main pipeline by-pass line corresponding with the dedusting box number, and the main pipeline is by corresponding by-pass line and often The air inlet of the one dust hopper keeps connection, and the junction of each by-pass line and air inlet is equipped with magnetic valve;It is described Air pulse recoil cooling device includes high pressure tank, air jet pipe corresponding with the dedusting box number and pulse valve, described High pressure tank is used to store the liquid gas compressed through compressed air unit, the gas outlet of the high pressure tank and each institute The air inlet port for stating air jet pipe is connected, and each closed upper part gas storehouse is provided with the injection hole of up/down perforation, each described Air jet pipe stretches into the closed upper part gas storehouse via the injection hole, and each air jet pipe is provided with pulse valve;Described second The air intake port of high temperature draught fan is connected with the gas outlet of the exhaust passage.
2. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The air pulse recoil cooling dress Putting also includes injection tube and nozzle, and the injection tube is arranged in the closed upper part gas storehouse, the air inlet of each injection tube Port is connected with the air outlet of corresponding air jet pipe, and the axial direction of each injection tube is protected with the length direction of corresponding cloth bag Hold unanimously, the air outlet of each injection tube is provided with the nozzle relative to the top end opening of each corresponding cloth bag, to be blown Pipe is directed at downwards the top end opening of corresponding cloth bag by nozzle.
3. pulsed bag-type dust equipment according to claim 2, it is characterised in that:The injection tube is set in branch-like Meter.
4. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The air pulse recoil cooling dress Putting also includes PLC, and the PLC is electrically connected with the pulse valve, the air pulse recoil cooling device During work, the unlatching of the PLC timed control pulse valve, the compressed gas in the high pressure tank passes through pulse valve Input in a pulsed fashion in air jet pipe, inverted draft recoil shake deashing action is produced to cloth bag to realize.
5. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The air pulse recoil cooling dress Putting also includes PLC and temperature sensor, and the PLC is electrically connected with the temperature sensor, the temperature Sensor is arranged in the bottom dust chamber of the dust cleaning case, and the temperature sensor is used to monitor in the dust chamber of bottom in real time Temperature, when the temperature in the dust chamber of bottom rises to setup pressure value, PLC air pulse cooling device starts to spray Air pulse cools down processing.
6. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The air pulse recoil cooling dress Putting also includes PLC and pressure sensor, and the pressure sensor is arranged in the bottom dust chamber of the dust cleaning case, institute State pressure sensor be used in real time monitoring bottom dust chamber in pressure, when the resistance in the dust chamber of bottom rises to setting pressure During value, PLC control air pulse cooling device proceeds by shake deashing processing.
7. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The box body combinations formula bag-type dust Device passes through sealing by the first dust cleaning case, the second dust cleaning case, the 3rd dust cleaning case, the 4th dust cleaning case, the 5th dust cleaning case, the 6th dust cleaning case The lateral partitions and longitudinal baffle enclosure of connection form, and the lateral partitions and the longitudinal baffle remove box body combinations formula cloth bag Dirt device is separated into be removed by the first dust cleaning case, the second dust cleaning case, the 3rd dust cleaning case, the 4th dust cleaning case, the 5th dust cleaning case and the 6th Six not connected dust cleaning cases of dirt case composition, and each dust cleaning case forms one with the cloth bag in the dust chamber of its underpart Independent dust pelletizing system.
8. pulsed bag-type dust equipment according to claim 1, it is characterised in that:Through hole on the sealing card Quantity is 36.
9. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The quantity of the cloth bag is led to described The quantity in hole is corresponding.
10. pulsed bag-type dust equipment according to claim 1, it is characterised in that:The cloth bag is high temperature resistant, anti-corruption Erosion, the PTFE filter bags of high mechanical strength.
CN201720921887.7U 2017-07-27 2017-07-27 Pulsed bag-type dust equipment Expired - Fee Related CN207203689U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297107A (en) * 2017-07-27 2017-10-27 广州市番禺盛达穗南有限公司 Pulsed bag-type dust equipment
CN108889061A (en) * 2018-08-06 2018-11-27 华北科技学院 Tunnel movable soot purifier
CN110721535A (en) * 2019-10-29 2020-01-24 三一汽车制造有限公司 Dust remover, asphalt station and control method of asphalt station
CN110975441A (en) * 2019-12-11 2020-04-10 无锡雪浪环境科技股份有限公司 Control method of bag type dust collector and dust collection system
CN112495928A (en) * 2020-09-30 2021-03-16 宁波精迈机械有限公司 Blowing control system and method of dust sweeper

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297107A (en) * 2017-07-27 2017-10-27 广州市番禺盛达穗南有限公司 Pulsed bag-type dust equipment
CN108889061A (en) * 2018-08-06 2018-11-27 华北科技学院 Tunnel movable soot purifier
CN110721535A (en) * 2019-10-29 2020-01-24 三一汽车制造有限公司 Dust remover, asphalt station and control method of asphalt station
CN110975441A (en) * 2019-12-11 2020-04-10 无锡雪浪环境科技股份有限公司 Control method of bag type dust collector and dust collection system
CN112495928A (en) * 2020-09-30 2021-03-16 宁波精迈机械有限公司 Blowing control system and method of dust sweeper
CN112495928B (en) * 2020-09-30 2022-02-18 宁波精迈机械有限公司 Blowing control system and method of dust sweeper

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