CN112604395A - Bag type dust removal, desulfurization and denitrification process - Google Patents
Bag type dust removal, desulfurization and denitrification process Download PDFInfo
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- CN112604395A CN112604395A CN202011489156.2A CN202011489156A CN112604395A CN 112604395 A CN112604395 A CN 112604395A CN 202011489156 A CN202011489156 A CN 202011489156A CN 112604395 A CN112604395 A CN 112604395A
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- composite box
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- type dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of bag type dust collectors, and discloses a bag type dust collection, desulfurization and denitrification process which comprises a first support frame, wherein a bag type dust collector body is fixedly installed at the top of the first support frame, a smoke conveying pipe is arranged on one side of the top side of the bag type dust collector body, and a buffer composite box is fixedly installed at one end of the smoke conveying pipe. The desulfurization and denitrification bag type dust collector and the operation method thereof are characterized in that the desulfurization and denitrification bag type dust collector passively receives the impact force of flue gas entering the buffering composite box through the connection and the matching of the transmission shaft, the buffering composite box and the deceleration purification mechanism, and utilizes the self structural characteristics to rotationally unload force, so that the high-service-life using effect is maintained while the impact speed of the flue gas about to enter the bag type dust collector body is reduced, and then hard particles are continuously prevented from impacting the filter bag inside the bag type dust collector body at a higher speed for a long time, the filter bag is protected from being damaged, the service life of the filter bag is prolonged, and the use cost of the whole equipment is finally reduced.
Description
Technical Field
The invention relates to the technical field of bag type dust collectors, in particular to a bag type dust collection, desulfurization and denitrification process.
Background
The bag type dust collector is a dry dust filtering device for collecting solid particles in dust-containing gas by utilizing a bag-shaped filter element made of fiber fabrics, is suitable for collecting fine, dry and non-fibrous dust, and consists of an upper box body, a middle box body, a lower box body, a dust cleaning system, a dust discharging system and other structures, and the working principle is as follows: the filtering type dust removal device comprises a bag type dust remover and a particle layer dust remover, wherein the filter bag made of organic fiber or inorganic fiber fabric is usually used as a filter layer, the filter layer of the filter layer is mainly made of particles with different particle sizes, such as quartz sand, river sand, ceramsite, slag and the like, the powder is repeatedly attached to the outer surface of the filter bag, the powder layer is continuously thickened, and the resistance value of the bag type dust remover is increased; the pulse valve diaphragm sends out an instruction, the pulse valve is opened when the left and right sides are submerged, compressed air in the high-pressure air bag is communicated, and if no dust exists or the compressed air is small to a certain degree, the mechanical dust cleaning work can stop working.
The invention provides a desulfurization and denitrification bag type dust collector and a desulfurization and denitrification process, aiming at solving the problems that the conventional bag type dust collector is more applied to the aspect of desulfurization and denitrification flue gas treatment, and the environmental protection capability of enterprises is greatly improved, but the problems are exposed in the actual use process of the conventional bag type dust collector and need to be solved in an optimized manner, mainly because the air speed of waste gas entering an ash hopper is higher and an air inlet is smaller, the waste gas contains hard particles and the particles also have edges and corners, the hard particles impact a filter bag at a higher speed for a long time, the filter bag is damaged, the service life of the filter bag is shortened, and the use cost of the whole equipment is increased.
Disclosure of Invention
Technical problem to be solved
The invention provides a desulfurization and denitrification bag type dust collector and a desulfurization and denitrification process, which solve the problems in the background art.
(II) technical scheme
The invention provides the following technical scheme: a desulfurization and denitrification bag type dust collector comprises a first support frame, wherein a bag type dust collector body is fixedly installed at the top of the first support frame, a smoke conveying pipe is arranged on one side of the top side of the bag type dust collector body, a buffering composite box is fixedly installed at one end of the smoke conveying pipe, locking mechanisms are fixedly installed at the middle parts of the two sides of the buffering composite box, a second support frame is fixedly connected to the bottom surface of the buffering composite box, a damping mechanism is arranged between the surface of the bottom of the buffering composite box and the inner wall of the second support frame, a bearing sleeve is movably sleeved in the buffering composite box, a transmission shaft is fixedly installed in the bearing sleeve, the middle part of the transmission shaft is movably sleeved in the buffering composite box, a deceleration purification mechanism is arranged on the surface of the middle part of the transmission shaft, and the deceleration purification mechanism is movably sleeved in the buffering composite box, the bottom of the bag type dust collector body and one side of the bottom are respectively and fixedly provided with an air outlet and an ash discharge valve, the bottom of the buffering composite box is fixedly sleeved with a smoke inlet pipe, and the bottom of the smoke inlet pipe is fixedly sleeved on the inner side of the top of the bag type dust collector body.
Preferably, the inside of the buffer composite box comprises a first half composite box and a second half composite box, the top surface of the first half composite box is fixedly connected with a first sealing strip, the bottom surface of the second half composite box is fixedly connected with a second sealing strip, the top surface of the first sealing strip is movably connected with the bottom surface of the second sealing strip, and the first half composite box and the second half composite box are locked through the existing screws. .
Preferably, the locking mechanism comprises a bolt which penetrates through the insides of two sides of the middle part of the buffer composite box, the bottom end of the bolt is in threaded connection with a nut, and the top surface of the nut can buffer the surface of the middle part of the composite box to be movably connected.
Preferably, the middle part of the second support frame is provided with a yielding groove, the mounting screw is sleeved in the inner part of one side of the second support frame in a movable mode, and the bottom end of the mounting screw in the second support frame is in threaded connection with the inner side of the top of the bag-type dust collector body.
Preferably, the damping mechanism is internally provided with a fixed rod, one end of the fixed rod is fixedly connected to the inner wall of one side of the bottom of the second support frame, a compression spring is movably sleeved on the outer side of the surface of the fixed rod, one end of the compression spring is fixedly connected to the inner wall of one side of the second support frame, the other end of the compression spring is fixedly connected with a movable sleeve, and the end face of one end of the movable sleeve is movably connected with the surface of the bottom of the buffer composite box.
Preferably, the inside of speed reduction purification mechanism is including the installation cover, and the side fixed connection of installation cover one side is on the surface of transmission shaft, the inside joint of installation cover has the cavity lagging, the inside activity of cavity lagging has cup jointed the active carbon, the fixed sealing strip that has cup jointed in the inboard at cavity lagging top, ventilative hole has been seted up to the lateral wall of cavity lagging both sides, the inboard activity of installation cover top positive and negative has cup jointed the set screw, the inboard at cavity lagging top of one end threaded connection of set screw. .
Preferably, four groups of speed reduction purification mechanisms are arranged on the surface of the transmission shaft, the four groups of speed reduction purification mechanisms are arranged in an equidistant and circumferential manner by taking the circle center of the transmission shaft as a reference, the outer sides of two ends of the transmission shaft are movably sleeved with a sealing sleeve block, and the two sealing sleeve blocks are respectively and fixedly connected to the front side and the back side of the middle part of the buffer composite box.
An operation method of a desulfurization and denitrification bag type dust collector comprises the following operation steps:
s1, mounting the other end of the smoke conveying pipe on existing draught fan equipment, starting the draught fan equipment, and conveying the chemically treated desulfurization and denitrification smoke into the buffer composite box through the smoke conveying pipe by the draught fan equipment;
s2, when the smoke enters the buffer composite box at a high speed, the four movably sleeved speed reduction purification mechanisms in the buffer composite box circularly and continuously buffer the smoke entering the buffer composite box by taking the transmission shaft as a rotating shaft, so that the speed of the smoke entering the bag type dust collector body through the smoke inlet pipe subsequently is reduced, and hard particles are prevented from impacting the filter bag at a high speed for a long time;
s3, enabling the flue gas decelerated by the buffer composite box to enter the bag type dust collector body, filtering dust in the flue gas by using an existing filter bag in the bag type dust collector body as a filter layer, wherein the existing filter bag is attached to the outer surface of the filter bag repeatedly, the powder layer is thickened continuously, the resistance value of the bag type dust collector body is increased accordingly, after a certain degree, an existing pulse valve membrane in the bag type dust collector body sends an instruction, the pulse valve is opened when the left and right sides of the pulse valve membrane are submerged, compressed air in a high-pressure air bag is communicated, and the dust of the filter bag under impact falls into the inner side of the bottom of the bag type dust collector body;
s4, after the device runs for a specified time period, closing the induced draft equipment installed on the smoke conveying pipe, detaching and separating the induced draft equipment and the smoke conveying pipe, opening the ash discharge valve, discharging dust accumulated on the inner side of the bottom of the bag type dust collector body, meanwhile, screwing, rotating and detaching the bolt and the nut inside the locking mechanism and separating the bolt and the nut from the buffer composite box, then separating the first half composite box and the second half composite box inside the buffer composite box, then screwing and rotating the positioning screws inside the four speed reduction purification mechanisms, extracting the used hollow sleeve plate, and cleaning the larger particles remained on the inner side of the bottom of the first half composite box;
and S5, after cleaning, re-clamping a new hollow sleeve plate in the mounting sleeve, resetting and locking the mounting sleeve and the hollow sleeve plate by using a positioning screw, resetting and locking the first and second half composite boxes and the resetting and locking smoke conveying pipe and the existing induced draft equipment by using a bolt and a nut, closing the ash discharging valve, and then sequentially repeating the steps.
(III) advantageous effects
The invention has the following beneficial effects:
1. this SOx/NOx control bag collector and SOx/NOx control technology, through the transmission shaft, the compound case of buffering, the connection cooperation of deceleration purification mechanism three, passively accept the impact force that enters into the inside flue gas of compound case of buffering, and utilize self structural feature rotatory power of unloading, maintain self high life's result of use when reducing the inside flue gas impact velocity of being about to enter bag collector body, then continuously avoid hard particulate matter to strike the inside filter bag of bag collector body with very fast speed for a long time, the protection filter bag is not damaged and the life of filter bag, and then finally reduce the use cost of whole equipment.
2. This SOx/NOx control bag collector and SOx/NOx control technology accepts adsorbing material such as active carbon through the inside cavity lagging of deceleration purification mechanism and carries out the preliminary purification treatment that peculiar smell adsorption was handled and granule dust to the inside flue gas that will get into the bag collector body, reduces the workload of follow-up bag collector body, further optimizes the performance of whole device.
3. This SOx/NOx control bag collector and SOx/NOx control technology cushions and weakens the vibrations of buffering compound case during operation through the inside movable sleeve of damper and compression spring, maintains the stability of whole equipment then, avoids appearing structural failure.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 1;
FIG. 4 is an enlarged view of the point B in FIG. 1;
FIG. 5 is an enlarged view of the point C in FIG. 1;
FIG. 6 is a schematic cross-sectional view of a seal cartridge of the present invention.
In the figure: 1. a first support frame; 2. a bag-type dust collector body; 3. a smoke conveying pipe; 4. a buffer compound box; 41. a first semi-composite box; 42. a second semi-compound tank; 43. a first seal strip; 44. a second seal strip; 5. a locking mechanism; 51. a bolt; 52. a nut; 6. a second support frame; 7. a damping mechanism; 71. fixing the rod; 72. a compression spring; 73. a movable sleeve; 8. a drive shaft; 9. a speed reduction purification mechanism; 91. installing a sleeve; 92. a hollow sheathing plate; 93. a ventilation hole; 94. a set screw; 10. an air outlet; 11. an ash discharge valve; 12. sealing the sleeve block; 13. a bearing housing; 14. a smoke inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a desulfurization and denitrification bag filter comprises a first support frame 1, a bag filter body 2 is fixedly mounted on the top of the first support frame 1, a smoke conveying pipe 3 is arranged on one side of the top of the bag filter body 2, one end of the smoke conveying pipe 3 is fixedly mounted with a buffer composite box 4, the buffer composite box 4 comprises a first half composite box 41 and a second half composite box 42, the top surface of the first half composite box 41 is fixedly connected with a first sealing strip 43, the bottom surface of the second half composite box 42 is fixedly connected with a second sealing strip 44, the top surface of the first sealing strip 43 is movably connected with the bottom surface of the second sealing strip 44, the first half composite box 41 and the second half composite box 42 are locked by existing screws, the buffer composite box 4 is matched with the locking action of a subsequent locking mechanism 5 through the separated structural design of the first half composite box 41 and the second half composite box 42, the effect of repeated cleaning and use can be realized, the use cost of the whole device is further reduced, the middle parts of the two sides of the buffer composite box 4 are fixedly provided with the locking mechanisms 5, the locking mechanisms 5 comprise bolts 51, the bolts 51 penetrate through the inner parts of the two sides of the middle part of the buffer composite box 4, the bottom ends of the bolts 51 are in threaded connection with nuts 52, the top surface of the nuts 52 is movably connected with the surface of the middle part of the buffer composite box 4, the locking mechanisms 5 have the characteristic that the bolts 51 and the nuts 52 can be in reciprocating locking connection, the sealing and locking of the buffer composite box 4 are ensured, the subsequent disassembling operation of workers is facilitated, the bottom surface of the buffer composite box 4 is fixedly connected with the second supporting frame 6, the middle part of the second supporting frame 6 is provided with a abdicating groove, the inner part of one side of the second supporting frame 6 is movably sleeved with mounting screws, the bottom ends of the mounting screws in the second supporting, the middle part of the second supporting frame 6 is provided with a abdication groove which can provide a buffering operation space for a subsequently arranged damping mechanism 7, thereby ensuring the feasibility of the operation of the damping mechanism 7, the damping mechanism 7 is arranged between the surface of the bottom of the buffering composite box 4 and the inner wall of the second supporting frame 6, the damping mechanism 7 comprises a fixed rod 71, one end of the fixed rod 71 is fixedly connected on the inner wall of one side of the bottom of the second supporting frame 6, a compression spring 72 is movably sleeved outside the surface of the fixed rod 71, one end of the compression spring 72 is fixedly connected on the inner wall of one side of the second supporting frame 6, the other end of the compression spring 72 is fixedly connected with a movable sleeve 73, the end surface of one end of the movable sleeve 73 is movably connected with the surface of the bottom of the buffering composite box 4, the movable sleeve 73 and the compression spring 72 in the damping mechanism 7 buffer and weaken the, then the stability of the whole equipment is maintained, the structural failure is avoided, a bearing sleeve 13 is movably sleeved in the buffer composite box 4, a transmission shaft 8 is fixedly installed in the bearing sleeve 13, the middle part of the transmission shaft 8 is movably sleeved in the buffer composite box 4, a speed reduction purification mechanism 9 is arranged on the surface of the middle part of the transmission shaft 8, four groups of speed reduction purification mechanisms 9 are arranged on the surface of the transmission shaft 8, the four groups of speed reduction purification mechanisms 9 are arranged at equal intervals and circumferentially based on the circle center of the transmission shaft 8, a sealing sleeve block 12 is movably sleeved on the outer sides of two ends of the transmission shaft 8, two sealing sleeve blocks 12 are respectively and fixedly connected on the front side and the back side of the middle part of the buffer composite box 4, the sealing sleeve blocks 12 ensure the sealing performance of the connection between the transmission shaft 8 and the buffer composite box 4 without influencing the normal rotation of the transmission shaft 8, and an installation sleeve 91 is, the side surface of one side of the mounting sleeve 91 is fixedly connected to the surface of the transmission shaft 8, a hollow sleeve plate 92 is clamped in the mounting sleeve 91, activated carbon is movably sleeved in the hollow sleeve plate 92, a sealing strip is fixedly sleeved on the inner side of the top of the hollow sleeve plate 92, ventilation holes 93 are formed in the side walls of two sides of the hollow sleeve plate 92, positioning screws 94 are movably sleeved on the inner sides of the front and back surfaces of the top of the mounting sleeve 91, one ends of the positioning screws 94 are in threaded connection with the inner side of the top of the hollow sleeve plate 92, the impact force of smoke entering the buffering composite box 4 is passively received through the connection and matching of the transmission shaft 8, the buffering composite box 4 and the speed reduction purification mechanism 9, the self-structure characteristic is utilized to rotate and unload force, the impact speed of the smoke entering the bag type dust collector body 2 is reduced, the self-service effect of long service life is maintained, and hard particulate matters are continuously prevented from impacting the filter bag inside, the filter bag is protected from being damaged, the service life of the filter bag is prolonged, the use cost of the whole equipment is finally reduced, the speed reduction purification mechanism 9 is movably sleeved inside the buffer composite box 4, the bottom of the bag type dust collector body 2 and one side of the bottom are respectively and fixedly provided with an air outlet 10 and an ash discharge valve 11, the bottom of the buffer composite box 4 is fixedly sleeved with a smoke inlet pipe 14, and the bottom end of the smoke inlet pipe 14 is fixedly sleeved on the inner side of the top of the bag type dust collector body 2.
An operation method of a desulfurization and denitrification bag type dust collector comprises the following operation steps:
s1, mounting the other end of the smoke conveying pipe 3 on existing draught fan equipment, starting the draught fan equipment, and conveying the chemically treated desulfurization and denitrification smoke into the buffer composite box 4 through the smoke conveying pipe 3 by the draught fan equipment, wherein the flow speed of the smoke entering the buffer composite box 4 is high due to the structural space limitation of the smoke conveying pipe 3 and the automatic pressurization conveying of the smoke by the draught fan equipment;
s2, after the smoke enters the buffer composite box 4 at a high speed, the four movably sleeved speed reduction purification mechanisms 9 in the buffer composite box 4 can circularly and continuously carry out speed buffer on the smoke entering the buffer composite box 4 by taking the transmission shaft 8 as a rotating shaft, so that the speed of the smoke entering the bag type dust collector body 2 through the smoke inlet pipe 14 in the following process is reduced, and hard particles are prevented from impacting a filter bag at a high speed for a long time;
s3, enabling the flue gas decelerated by the buffer compound box 4 to enter the bag type dust collector body 2, filtering dust in the flue gas by using an existing filter bag in the bag type dust collector body 2 as a filter layer, attaching the powder to the outer surface of the filter bag repeatedly, enabling the powder layer to be thickened continuously, increasing the resistance value of the bag type dust collector body 2, and after a certain degree, enabling an existing pulse valve membrane in the bag type dust collector body 2 to send an instruction, enabling a pulse valve to be opened when the left and right sides of the pulse valve membrane are submerged, enabling compressed air in a high-pressure air bag to pass through, and enabling the dust under impact of the filter bag to fall into the inner side of the bottom of the bag type dust collector body 2;
s4, after the device runs for a specified time period, closing the induced draft equipment installed on the smoke conveying pipe 3, detaching and separating the induced draft equipment and the smoke conveying pipe, then opening the ash discharging valve 11, discharging dust accumulated on the inner side of the bottom of the bag type dust collector body 2, meanwhile, screwing and detaching the bolt 51 and the nut 52 inside the locking mechanism 5 and separating the bolt from the buffer composite box 4, then separating the first half composite box 41 and the second half composite box 42 inside the buffer composite box 4, then screwing and rotating the positioning screws 94 inside the four speed reduction purification mechanisms 9, drawing away the used hollow sleeve plate 92, and cleaning the larger particles remained on the inner side of the bottom of the first half composite box 41;
s5, after cleaning, clamping a new hollow sleeve plate 92 in the mounting sleeve 91 again, resetting and locking the mounting sleeve 91 and the hollow sleeve plate 92 by using a positioning screw 94, resetting and locking the first half composite box 41 and the second half composite box 42 and the resetting and locking smoke conveying pipe 3 and the existing induced draft equipment by using a bolt 51 and a nut 52 after completion, closing the ash discharging valve 11, and then sequentially repeating the steps.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A bag-type dust removal, desulfurization and denitrification process comprises a first support frame (1), wherein a bag-type dust collector body (2) is fixedly arranged at the top of the first support frame (1), a smoke conveying pipe (3) is arranged on one side of the top of the bag-type dust collector body (2), a buffering composite box (4) is fixedly arranged at one end of the smoke conveying pipe (3), locking mechanisms (5) are fixedly arranged in the middles of two sides of the buffering composite box (4), a second support frame (6) is fixedly connected to the bottom surface of the buffering composite box (4), a damping mechanism (7) is arranged between the surface of the bottom of the buffering composite box (4) and the inner wall of the second support frame (6), a bearing sleeve (13) is movably sleeved in the buffering composite box (4), a transmission shaft (8) is fixedly arranged in the bearing sleeve (13), the middle of the transmission shaft (8) is movably sleeved in the buffering composite box (4), the surface of the middle part of the transmission shaft (8) is provided with a speed reduction purification mechanism (9), the speed reduction purification mechanism (9) is movably sleeved inside the buffer composite box (4), the bottom of the bag type dust collector body (2) and one side of the bottom are respectively and fixedly provided with an air outlet (10) and an ash discharge valve (11), the bottom of the buffer composite box (4) is fixedly sleeved with a smoke inlet pipe (14), and the bottom end of the smoke inlet pipe (14) is fixedly sleeved on the inner side of the top of the bag type dust collector body (2);
the process comprises the following operation steps:
s1, installing the other end of the smoke conveying pipe (3) on existing draught fan equipment, starting the draught fan equipment, and conveying the chemically treated desulfurization and denitrification smoke into the buffer composite box (4) through the smoke conveying pipe (3) by the draught fan equipment, wherein the smoke flowing speed entering the buffer composite box (4) is high due to the limitation of the structural space of the smoke conveying pipe (3) and the automatic pressurization conveying of the smoke by the draught fan equipment;
s2, after the smoke enters the buffer composite box (4) at a high speed, the four movably sleeved speed reduction purification mechanisms (9) in the buffer composite box (4) circularly and continuously buffer the smoke entering the buffer composite box (4) at a high speed by taking the transmission shaft (8) as a rotating shaft, so that the speed of the smoke entering the bag type dust collector body (2) through the smoke inlet pipe (14) in the following process is reduced, and hard particles are prevented from impacting a filter bag at a high speed for a long time;
s3, enabling the smoke decelerated by the buffer composite box (4) to enter the bag type dust collector body (2), using the existing filter bag in the bag type dust collector body (2) as a filter layer to filter dust in the smoke, attaching the powder to the outer surface of the filter bag repeatedly, enabling the powder layer to thicken continuously, increasing the resistance value of the bag type dust collector body (2), sending an instruction by the existing pulse valve membrane in the bag type dust collector body (2) after a certain degree, opening the left pulse valve and the right pulse valve when submerged, enabling compressed air in a high-pressure air bag to pass through, and enabling the dust of the filter bag under impact to fall into the inner side of the bottom of the bag type dust collector body (2);
s4, after the device runs for a specified time period, closing the induced draft equipment installed on the smoke conveying pipe (3), detaching and separating the induced draft equipment and the smoke conveying pipe, then opening the ash discharging valve (11), discharging dust accumulated on the inner side of the bottom of the bag type dust collector body (2), meanwhile, screwing and detaching the bolts (51) and the nuts (52) inside the locking mechanism (5) and separating the bolts and the nuts from the buffer composite box (4), then separating the first half composite box (41) and the second half composite box (42) inside the buffer composite box (4), then screwing and rotating the positioning screws (94) inside the four speed reduction purification mechanisms (9), extracting the used hollow sleeve plate (92), and cleaning larger particles remained on the inner side of the bottom of the first half composite box (41);
s5, after cleaning, clamping a new hollow sleeve plate (92) in the installation sleeve (91) again, resetting and locking the installation sleeve (91) and the hollow sleeve plate (92) by a positioning screw (94), resetting and locking the first half composite box (41) and the second half composite box (42) and the resetting and locking smoke conveying pipe (3) and the existing draught equipment by a bolt (51) and a nut (52), closing the ash discharging valve (11), and then repeating the steps in sequence.
2. The bag-type dedusting, desulfurization and denitrification process according to claim 1, characterized in that: the buffer composite box (4) comprises a first half composite box (41) and a second half composite box (42) inside, a first sealing strip (43) is fixedly connected to the top surface of the first half composite box (41), a second sealing strip (44) is fixedly connected to the bottom surface of the second half composite box (42), the top surface of the first sealing strip (43) is movably connected with the bottom surface of the second sealing strip (44), and the first half composite box (41) and the second half composite box (42) are locked through existing screws.
3. The bag-type dedusting, desulfurization and denitrification process according to claim 1, characterized in that: the locking mechanism (5) comprises a bolt (51), the bolt (51) penetrates through the two sides of the middle of the buffer composite box (4), the bottom end of the bolt (51) is connected with a nut (52) in a threaded mode, and the top surface of the nut (52) can be movably connected with the surface of the middle of the buffer composite box (4).
4. The bag-type dedusting, desulfurization and denitrification process according to claim 1, characterized in that: the middle part of the second support frame (6) is provided with a yielding groove, the mounting screw is sleeved on the inner part of one side of the second support frame (6), and the bottom end of the mounting screw inside the second support frame (6) is in threaded connection with the inner side of the top of the bag-type dust collector body (2).
5. The bag-type dedusting, desulfurization and denitrification process according to claim 1, characterized in that: the damping mechanism (7) is internally provided with a fixing rod (71), one end of the fixing rod (71) is fixedly connected to the inner wall of one side of the bottom of the second supporting frame (6), a compression spring (72) is movably sleeved on the outer side of the surface of the fixing rod (71), one end of the compression spring (72) is fixedly connected to the inner wall of one side of the second supporting frame (6), the other end of the compression spring (72) is fixedly connected with a movable sleeve (73), and the end face of one end of the movable sleeve (73) is movably connected with the surface of the bottom of the buffer composite box (4).
6. The bag-type dedusting, desulfurization and denitrification process according to claim 1, characterized in that: the inside of speed reduction purification mechanism (9) is including installation cover (91), and the side fixed connection of installation cover (91) one side on the surface of transmission shaft (8), the inside joint of installation cover (91) has cavity lagging (92), the inside activity of cavity lagging (92) has cup jointed the active carbon, the inboard at cavity lagging (92) top is fixed to have cup jointed the sealing strip, ventilative hole (93) have been seted up to the lateral wall of cavity lagging (92) both sides, set screw (94) have been cup jointed in the inboard activity of installation cover (91) top positive and negative, the one end threaded connection of set screw (94) is in the inboard at cavity lagging (92) top.
7. The bag-type dedusting, desulfurization and denitrification process according to claim 1, characterized in that: four groups of speed reduction purification mechanisms (9) are arranged on the surface of the transmission shaft (8), the four groups of speed reduction purification mechanisms (9) are arranged at equal intervals and circumferentially on the basis of the circle center of the transmission shaft (8), the outer sides of two ends of the transmission shaft (8) are movably sleeved with a sealing sleeve block (12), and the two sealing sleeve blocks (12) are fixedly connected to the front side and the back side of the middle part of the buffer composite box (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011489156.2A CN112604395A (en) | 2020-12-16 | 2020-12-16 | Bag type dust removal, desulfurization and denitrification process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011489156.2A CN112604395A (en) | 2020-12-16 | 2020-12-16 | Bag type dust removal, desulfurization and denitrification process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112604395A true CN112604395A (en) | 2021-04-06 |
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ID=75239774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011489156.2A Withdrawn CN112604395A (en) | 2020-12-16 | 2020-12-16 | Bag type dust removal, desulfurization and denitrification process |
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| Country | Link |
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| CN (1) | CN112604395A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307485A (en) * | 2021-11-12 | 2022-04-12 | 盐城工学院 | Leading flue gas processing apparatus of bag collector |
-
2020
- 2020-12-16 CN CN202011489156.2A patent/CN112604395A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307485A (en) * | 2021-11-12 | 2022-04-12 | 盐城工学院 | Leading flue gas processing apparatus of bag collector |
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