CN116747644B - Flue gas desulfurization and denitrification device capable of automatically replacing filter plates and use method - Google Patents

Flue gas desulfurization and denitrification device capable of automatically replacing filter plates and use method Download PDF

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Publication number
CN116747644B
CN116747644B CN202311054673.0A CN202311054673A CN116747644B CN 116747644 B CN116747644 B CN 116747644B CN 202311054673 A CN202311054673 A CN 202311054673A CN 116747644 B CN116747644 B CN 116747644B
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China
Prior art keywords
flue gas
treatment
cylinder
plate
mixing
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CN202311054673.0A
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CN116747644A (en
Inventor
李迎
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Sisri Chimney Technology Lianyungang Co ltd
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Sisri Chimney Technology Lianyungang Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/88Replacing filter elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention provides a flue gas desulfurization and denitrification device capable of automatically replacing a filter plate and a use method thereof, relating to the field of flue gas treatment, and comprising the following steps: the device comprises a main body and a treatment cylinder, wherein a mounting piece is arranged in the main body; the front side and the rear side of the mounting piece are provided with processing channels; a rotating shaft is rotatably arranged in the processing channel; a sealing cylinder is arranged on the circumferential outer wall of the rotating shaft; the sealing cylinder is provided with a via hole; a follower gear is arranged at the top of the rotating shaft; a chute is formed in the top of the processing channel; a motor is arranged on the circumferential outer wall of the treatment cylinder; a chain wheel B is arranged on an output shaft of the motor; the top rear side of handling section of thick bamboo is provided with the honeycomb duct, and this device need not to be specific in advance to the flue gas shutoff, effectively retrencies the step when the device changes the filter, improves the change efficiency of filter, has solved flue gas desulfurization denitrification facility and can't be better when changing the filter plate in advance, independently realizes the problem of shutoff to the flue gas.

Description

Flue gas desulfurization and denitrification device capable of automatically replacing filter plates and use method
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a flue gas desulfurization and denitrification device capable of automatically replacing a filter plate and a use method.
Background
Before the flue gas is discharged, the flue gas needs to be subjected to desulfurization and denitrification treatment in advance, so that two substances are prevented from entering the atmosphere to form acid rain along with the flue gas, the natural environment is harmed, and a desulfurization and denitrification device is needed for the desulfurization and denitrification treatment of the flue gas.
In the use process of the existing flue gas desulfurization and denitrification device, since the filter plate in the device is a consumable, the filter plate needs to be replaced after reaching the use limit, but in order to avoid flue gas leakage in the replacement process, the filter plate needs to be replaced after the flue gas is intercepted by adopting valve equipment in advance, the preliminary working operation before the replacement process is relatively trivial, the efficiency of replacing the filter plate is indirectly reduced, and the existing flue gas desulfurization and denitrification device cannot better realize the interception of the flue gas independently when the filter plate is replaced in advance.
Disclosure of Invention
In view of this, the invention provides a flue gas desulfurization and denitrification device capable of automatically replacing a filter plate and a use method thereof, so as to solve the problem that the filter plate in the device is a consumable product, and the filter plate needs to be replaced after reaching the use limit, but in the replacement process, in order to avoid leakage of flue gas, the filter plate needs to be replaced after the flue gas is intercepted by adopting valve equipment in advance, and the preparation work operation before the replacement process is relatively trivial.
The invention provides a flue gas desulfurization and denitrification device capable of automatically replacing a filter plate and a use method thereof, which specifically comprise the following steps: the device comprises a main body and a treatment cylinder, wherein a mounting piece is arranged in the main body; the front side and the rear side of the mounting piece are provided with processing channels; a rotating shaft is rotatably arranged in the processing channel; a sealing cylinder is arranged on the circumferential outer wall of the rotating shaft; the sealing cylinder is provided with a via hole; a follower gear is arranged at the top of the rotating shaft; a chute is formed in the top of the processing channel; a motor is arranged on the circumferential outer wall of the treatment cylinder; a chain wheel B is arranged on an output shaft of the motor; a honeycomb duct is arranged at the rear side of the top of the treatment cylinder; the other end of the flow guide pipe is connected with a processing channel positioned at the front side; the treatment cylinder is positioned at the front side of the main body; the interior of the treatment cylinder contains treatment liquid.
Further, a transmission piece is arranged in the sliding groove in a sliding manner; the top end of the transmission piece is of an inclined structure; a canceling groove is formed in the inner side of the transmission piece; one end provided with a spring A is embedded in the outer side of the transmission piece; the other end of the spring A is embedded and arranged on the outer wall of the chute; the outer side of the transmission piece is also provided with a driving rack; the driving rack is meshed and connected with the follow-up gear; a guide member is mounted on the top of the mounting member; the guide piece is of a U-shaped structure; the guide piece is provided with a replacement plate in a sliding manner.
Further, an installation groove is formed in the replacement plate, and a filter plate is installed in the installation groove; trigger blocks are arranged on the front side and the rear side of the replacement plate; the top end of the trigger block is of an inclined structure; a driving cylinder is arranged at the top of the guide piece; the output end of the driving cylinder is connected with the top of the replacement plate; an air inlet pipe is arranged at the front side of the treatment cylinder; an air inlet hole is formed in the air inlet pipe; the air inlet pipe is of an L-shaped structure; a mixing shaft is arranged in the middle of the inside of the treatment cylinder; the mixing shaft is of a cylindrical structure.
Further, a mixing piece is arranged on the circumferential outer wall of the mixing shaft; the mixing shaft is provided with a chain wheel A; the chain wheel A is connected with the chain wheel B through a chain; a main bevel gear is arranged at the top end of the mixing shaft; a transverse shaft is arranged at the top of the treatment cylinder; the transverse shaft is of a cylindrical structure; a secondary bevel gear is arranged on the circumferential outer wall of the transverse shaft; the auxiliary bevel gear is meshed and connected with the main bevel gear; and a pushing cam is arranged at the end part of the transverse shaft.
Further, the left side and the right side of the treatment cylinder are provided with guide grooves; a sliding plate is slidably arranged in the guide groove; the sliding plate is of an L-shaped structure; the top of the sliding plate is provided with an extrusion plate; the extruding plate is of a disc-shaped structure; one end of the spring B is embedded and installed at the bottom of the sliding plate; the other end of the spring B is embedded and arranged at the bottom of the guide groove; the top end of the inside of the treatment cylinder is provided with an air injection pipe; the top of the gas injection pipe is provided with a gas injection air bag; the gas injection air bag is positioned below the extrusion plate.
Further, the method comprises the following steps:
1. firstly, injecting the flue gas into the treatment cylinder through an air inlet pipe, so that the flue gas is mixed with treatment liquid in the treatment cylinder, and the treatment liquid is used for purifying the flue gas in the first step;
2. the motor indirectly drives the mixing shaft to rotate, so that the mixing shaft drives the mixing piece to rotate, and the mixing piece improves the mixing degree of the treatment liquid and the flue gas through rotation;
3. after the flue gas is treated in the treatment cylinder, the flue gas can enter the treatment channel through the guide pipe, so that the flue gas flows through the filter plate, and the filter plate performs the second-step purification treatment on the flue gas.
Advantageous effects
1. According to the invention, the smoke enters the treatment liquid in the treatment cylinder through the air inlet pipe, the chain wheel B is driven by the motor to rotate, the chain wheel B drives the chain wheel A and the mixing shaft to rotate under the action of the chain, the mixing shaft drives the mixing piece to rotate, the mixing degree between the smoke and the treatment liquid is enhanced through rotation of the mixing piece, the treatment liquid can be more fully treated, and when the mixing shaft rotates, the mixing shaft drives the transverse shaft and the pushing cam to rotate under the action of the meshing of the main bevel gear and the auxiliary bevel gear, the pushing cam is driven to rotate through the rotating reciprocating pushing extrusion plate, the extrusion plate and the spring B are matched to reciprocally push the gas injection air bag, the gas injection air bag is enabled to inject gas into the treatment liquid through the gas injection pipe under the influence of extrusion, the treatment liquid is enabled to be locally rolled under the influence of the gas flow, the mixing degree of the treatment liquid and the smoke is further enhanced, the smoke can be more thoroughly purified, and after the smoke passes through the treatment cylinder, the smoke can enter the inside of the treatment channel through the guide pipe, the flue gas can be purified once again, and the denitration effect of the flue gas can be improved.
2. According to the invention, the replacement plate is driven to descend by the driving cylinder, so that the replacement plate drives the filter plate to descend, when the replaced filter plate does not fall out of the range of the mounting piece, the triggering block on the replacement plate can push the inclined plane of the transmission piece, so that the transmission piece is driven by the influence of the pushing of the inclined plane to drive the driving rack to move outwards along the chute, the driving rack drives the rotating shaft and the sealing cylinder to rotate under the meshing effect of the follow-up gear, the sealing cylinder changes the direction of the through hole through rotation, the through hole is not communicated with the treatment channel any more, the interception work of smoke is realized, then when the replacement plate continues to drive the filter plate to descend, the condition that a large amount of smoke leaks is difficult to occur, the nearby environment is protected, and therefore, the alternate automatic replacement of two filter plates is realized through the movement of the replacement plate, meanwhile, the device does not need to cut off smoke in advance, the steps when the device is replaced the filter plate are effectively simplified, and the replacement efficiency of the filter plate is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic overall structure of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to an embodiment of the present invention.
FIG. 3 is a schematic view of a cartridge in half-section and a main structure according to an embodiment of the present invention.
Fig. 4 is an enlarged schematic view of the portion B in fig. 3 according to an embodiment of the present invention.
Fig. 5 is a rear side structural schematic of fig. 1 of an embodiment of the present invention.
Fig. 6 is an enlarged schematic view of the portion C in fig. 5 according to an embodiment of the present invention.
FIG. 7 is a schematic view of a process tunnel and a process cartridge in half-section according to an embodiment of the present invention.
Fig. 8 is an enlarged schematic view of the portion D of fig. 7 according to an embodiment of the present invention.
Fig. 9 is a schematic view of a mounting in semi-section of an embodiment of the present invention.
FIG. 10 is a schematic diagram of a processing channel split state architecture according to an embodiment of the present invention.
FIG. 11 is a schematic view of a semi-sectional structure of a treatment canister according to an embodiment of the invention.
Fig. 12 is a schematic diagram of a hybrid axis and transverse axis configuration of an embodiment of the present invention.
List of reference numerals
1. A main body; 101. a mounting member; 102. a processing channel; 103. a rotating shaft; 104. a sealing cylinder; 105. a via hole; 106. a follower gear; 107. a chute; 108. a transmission member; 109. the groove is canceled; 1010. a spring A; 1011. a drive rack; 1012. a guide member; 1013. replacing the plate; 1014. a filter plate; 1015. a trigger block; 1016. a drive cylinder; 2. a treatment cylinder; 201. an air inlet pipe; 202. an air inlet hole; 203. a mixing shaft; 204. a mixing element; 205. a chain wheel A; 206. a main bevel gear; 207. a horizontal axis; 208. a secondary bevel gear; 209. pushing the cam; 2010. a guide groove; 2011. a sliding plate; 2012. an extrusion plate; 2013. a spring B; 2014. an air injection pipe; 2015. an air injection air bag; 3. a motor; 301. a chain wheel B; 4. and a flow guiding pipe.
Description of the embodiments
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Examples: please refer to fig. 1 to 12:
the invention provides a flue gas desulfurization and denitrification device capable of automatically replacing a filter plate and a use method thereof, comprising the following steps: a main body 1 and a treatment cylinder 2, wherein a mounting piece 101 is arranged in the main body 1; the front and rear sides of the mounting member 101 are provided with processing channels 102; a rotation shaft 103 is rotatably installed inside the process tunnel 102; a sealing cylinder 104 is arranged on the circumferential outer wall of the rotating shaft 103; the sealing cylinder 104 is provided with a through hole 105; a follower gear 106 is arranged at the top of the rotating shaft 103; a chute 107 is formed at the top of the processing channel 102; a motor 3 is arranged on the circumferential outer wall of the treatment cylinder 2; a chain wheel B301 is arranged on the output shaft of the motor 3; a flow guide pipe 4 is arranged at the rear side of the top of the treatment cylinder 2; the other end of the flow guiding pipe 4 is connected with a processing channel 102 positioned at the front side; the treatment cylinder 2 is positioned at the front side of the main body 1; the treatment cartridge 2 contains a treatment liquid therein.
Wherein, the inside of the chute 107 is slidably provided with a transmission member 108; the top end of the transmission piece 108 is of an inclined structure; a cancel groove 109 is formed on the inner side of the transmission member 108; one end of the spring A1010 is embedded and installed on the outer side of the transmission piece 108; the other end of the spring A1010 is embedded and arranged on the outer wall of the chute 107; a driving rack 1011 is also arranged on the outer side of the transmission member 108; the driving rack 1011 is meshed with the follower gear 106; a guide 1012 is mounted on top of the mounting member 101; the guide 1012 has a U-shaped configuration; the guide 1012 is slidably mounted with a replacement plate 1013; the exchange plate 1013 is provided with a mounting groove, and a filter plate 1014 is arranged in the mounting groove; trigger blocks 1015 are arranged on the front side and the rear side of the exchange plate 1013; the top end of the trigger block 1015 is of an inclined structure; the top of the guide 1012 is provided with a drive cylinder 1016; the output end of the drive cylinder 1016 is connected to the top of the exchange plate 1013;
the replacement plate 1013 is driven to descend through the driving cylinder 1016, so that the replacement plate 1013 drives the filter plate 1014 to descend, when the replaced filter plate 1014 does not fall out of the range of the mounting piece 101 in the descending process, the triggering block 1015 on the replacement plate 1013 can push the inclined plane of the transmission piece 108, so that the transmission piece 108 is driven by the influence of pushing of the inclined plane to drive the driving rack 1011 to move outwards along the sliding groove 107, the driving rack 1011 drives the rotating shaft 103 and the sealing cylinder 104 to rotate under the action of meshing with the follow-up gear 106, the sealing cylinder 104 changes the direction of the through hole 105 through rotation, the through hole 105 is not communicated with the processing channel 102 any more, the interception work of smoke is realized, then when the replacement plate 1013 continues to drive the filter plate 1014 to descend, the condition that a large amount of smoke leaks is not easy to occur is protected, and the adjacent environment is protected, so that the alternate automatic replacement of the two filter plates 1014 is realized through the movement of the replacement plate 1013.
Wherein the front side of the treatment canister 2 is provided with an air inlet pipe 201; an air inlet 202 is formed in the air inlet pipe 201; the air inlet pipe 201 is generally L-shaped in configuration; a mixing shaft 203 is arranged at the central position inside the processing cylinder 2; the mixing shaft 203 is of cylindrical structure; a mixing piece 204 is arranged on the circumferential outer wall of the mixing shaft 203; the mixing shaft 203 is provided with a chain wheel A205; sprocket A205 is connected to sprocket B301 by a chain; the top end of the mixing shaft 203 is provided with a main bevel gear 206; the top of the processing cylinder 2 is provided with a transverse shaft 207; the transverse shaft 207 is of cylindrical configuration; a secondary bevel gear 208 is arranged on the circumferential outer wall of the transverse shaft 207; the secondary bevel gear 208 is in meshed connection with the primary bevel gear 206; the end part of the transverse shaft 207 is provided with a pushing cam 209;
the flue gas enters the treatment liquid in the treatment cylinder 2 through the air inlet pipe 201, then the motor 3 drives the chain wheel B301 to rotate, the chain wheel B301 drives the chain wheel A205 and the mixing shaft 203 to rotate under the action of a chain, the mixing shaft 203 drives the mixing piece 204 to rotate, the mixing degree between the flue gas and the treatment liquid is enhanced through rotation of the mixing piece 204, and the treatment liquid can treat the flue gas more fully.
Wherein, the left and right sides of the processing cylinder 2 are provided with guide grooves 2010; a slide plate 2011 is slidably mounted inside the guide groove 2010; the sliding plate 2011 has an L-shaped structure; the top of the slide plate 2011 is provided with a squeeze plate 2012; the pressing plate 2012 has a disc-shaped structure; one end of the spring B2013 is embedded and installed at the bottom of the sliding plate 2011; the other end of the spring B2013 is embedded and installed at the bottom of the guide groove 2010; the top end of the inside of the treatment cylinder 2 is provided with an air injection pipe 2014; the top of the gas injection pipe 2014 is provided with a gas injection gas bag 2015; the gas injection balloon 2015 is positioned below the compression plate 2012;
preferably, the joint of the gas injection air bag and the gas injection pipe is provided with a one-way valve so that gas in the gas injection air bag is promoted to be input into the gas injection pipe through the extrusion plate and does not flow back into the gas injection air bag, and meanwhile, one end, far away from the gas injection air bag, of the one-way valve is provided with a water absorbing sponge, and when some water exists in the gas injection air bag, the water absorbing sponge can absorb the gas.
Further, the gas injection air bag is externally connected with an inflator so as to store proper amount of gas in the gas injection air bag better.
In another embodiment: the surface of the sliding plate 2011 contacting the guide groove 2010 may be provided with an upper ball, and the sliding plate 2011 can be moved more smoothly by the arrangement of the ball;
when the mixing shaft 203 rotates, the mixing shaft 203 drives the cross shaft 207 and the pushing cam 209 to rotate under the action of the meshing of the main bevel gear 206 and the auxiliary bevel gear 208, so that the pushing cam 209 pushes the extrusion plate 2012 in a reciprocating manner through rotating the reciprocating manner, the extrusion plate 2012 and the spring B2013 cooperate with the reciprocating manner to push the extrusion plate 2012, the air injection air bag 2015 is made to be extruded in a reciprocating manner, the air injection air bag 2015 is made to inject air into the treatment liquid through the air injection pipe 2014 under the influence of extrusion, the treatment liquid is made to be partially rolled under the influence of air flow, the mixing degree of the treatment liquid and the flue gas is further enhanced, the flue gas is convenient to be purified more thoroughly, and after the flue gas passes through the treatment cylinder 2, the flue gas enters the inside of the treatment channel 102 through the guide pipe 4, so that the flue gas can be purified once again through the filter plate 1014.
The method comprises the following steps of:
s1, firstly, injecting the flue gas into the treatment cylinder 2 through an air inlet pipe 201, so that the flue gas is mixed with treatment liquid in the treatment cylinder 2, and the treatment liquid is used for carrying out first-step purification treatment on the flue gas;
s2, indirectly driving the mixing shaft 203 to rotate through the motor 3, enabling the mixing shaft 203 to drive the mixing piece 204 to rotate, and enabling the mixing piece 204 to improve the mixing degree of the treatment liquid and the flue gas through rotation;
and S3, after the flue gas is treated in the treatment cylinder 2, the flue gas enters the treatment channel 102 through the guide pipe 4, so that the flue gas flows through the filter plate 1014, and the filter plate 1014 performs a second step of purification treatment on the flue gas.
Specific use and action of the embodiment: when in use, firstly, smoke enters treatment liquid in the treatment cylinder 2 through the air inlet pipe 201, then the motor 3 drives the chain wheel B301 to rotate, the chain wheel B301 drives the chain wheel A205 and the mixing shaft 203 to rotate under the action of a chain, the mixing shaft 203 drives the mixing piece 204 to rotate, the mixing piece 204 enhances the mixing degree between the smoke and the treatment liquid through rotation, the treatment liquid can treat the smoke more fully, and when the mixing shaft 203 rotates, the mixing shaft 203 drives the cross shaft 207 and the pushing cam 209 to rotate under the action of the meshing of the main bevel gear 206 and the auxiliary bevel gear 208, the pushing cam 209 drives the pushing plate 2012 to reciprocate through rotation, the pushing plate 2012 cooperates with the spring B3 to reciprocate the pushing plate 2012, the air injection sac 2015 is reciprocally extruded by the pushing plate 2012, the air injection sac 2014 injects air into the treatment liquid under the influence of extrusion, the mixing degree of the treatment liquid and the flue gas is further enhanced by the influence of the air flow, so that the flue gas is more thoroughly purified, the flue gas enters the treatment channel 102 through the guide pipe 4 after passing through the treatment cylinder 2, the flue gas can be purified once again through the filter plate 1014, when the filter plate 1014 needs to be replaced, the replacement plate 1013 is driven to descend by the driving cylinder 1016, the filter plate 1014 is driven to descend by the replacement plate 1013, when the replaced filter plate 1014 does not deviate from the range of the mounting piece 101 in the descending process, the triggering block 1015 on the replacement plate 1013 pushes the inclined plane of the transmission piece 108, the transmission piece 108 is pushed by the inclined plane to drive the driving rack 1011 to move outwards along the chute 107, the driving rack 1011 drives the rotating shaft 103 and the sealing cylinder 104 to rotate under the meshing action of the follow-up gear 106, the direction of the through hole 105 is changed through rotation of the sealing cylinder 104, the through hole 105 is not communicated with the processing channel 102 any more, the interception work of smoke is realized, then when the replacement plate 1013 continues to drive the filter plates 1014 to descend, the condition that a large amount of smoke is not easy to leak is avoided, the nearby environment is protected, finally when the replacement plate 1013 descends to a certain position, the trigger block 1015 enters the cancel groove 109, the sealing cylinder 104 is indirectly restored to realize the circulation of smoke, and therefore, the alternate automatic replacement of the two filter plates 1014 is realized through the movement of the replacement plate 1013.

Claims (4)

1. The utility model provides an automatic change flue gas desulfurization denitrification facility of filter plate which characterized in that includes: a main body (1) and a treatment cylinder (2), wherein a mounting piece (101) is arranged in the main body (1); the front side and the rear side of the mounting piece (101) are provided with processing channels (102); a rotating shaft (103) is rotatably arranged in the processing channel (102); a sealing cylinder (104) is arranged on the circumferential outer wall of the rotating shaft (103); the sealing cylinder (104) is provided with a via hole (105); a follower gear (106) is arranged at the top of the rotating shaft (103); a chute (107) is formed in the top of the processing channel (102); a motor (3) is arranged on the circumferential outer wall of the treatment cylinder (2); a chain wheel B (301) is arranged on an output shaft of the motor (3); a flow guide pipe (4) is arranged at the rear side of the top of the treatment cylinder (2); the other end of the flow guide pipe (4) is connected with a processing channel (102) positioned at the front side; the treatment cylinder (2) is positioned at the front side of the main body (1); the treatment cylinder (2) is internally filled with treatment liquid;
a transmission piece (108) is arranged in the sliding groove (107) in a sliding way; the top end of the transmission piece (108) is of an inclined structure; a cancel groove (109) is formed in the inner side of the transmission piece (108); one end of a spring A (1010) is embedded and arranged at the outer side of the transmission piece (108); the other end of the spring A (1010) is embedded and arranged on the outer wall of the chute (107);
a driving rack (1011) is also arranged on the outer side of the transmission piece (108); the driving rack (1011) is meshed with the follow-up gear (106); a guide (1012) is arranged at the top of the mounting piece (101); the guide (1012) is of a U-shaped structure; the guide piece (1012) is provided with a replacement plate (1013) in a sliding manner;
the replacement plate (1013) is provided with a mounting groove, and a filter plate (1014) is arranged in the mounting groove; trigger blocks (1015) are arranged on the front side and the rear side of the replacement plate (1013); the top end of the trigger block (1015) is of an inclined structure; a driving cylinder (1016) is arranged at the top of the guide piece (1012); the output end of the driving cylinder (1016) is connected with the top of the replacement plate (1013);
an air inlet pipe (201) is arranged at the front side of the treatment cylinder (2); an air inlet hole (202) is formed in the air inlet pipe (201); the air inlet pipe (201) is of a generally L-shaped structure; a mixing shaft (203) is arranged in the middle of the inside of the treatment cylinder (2); the mixing shaft (203) is of a cylindrical structure;
a mixing piece (204) is arranged on the circumferential outer wall of the mixing shaft (203); the mixing shaft (203) is provided with a chain wheel A (205); the chain wheel A (205) is connected with the chain wheel B (301) through a chain; a main bevel gear (206) is arranged at the top end of the mixing shaft (203);
a transverse shaft (207) is arranged at the top of the treatment cylinder (2); the transverse shaft (207) is of a cylindrical structure; a secondary bevel gear (208) is arranged on the circumferential outer wall of the transverse shaft (207); the auxiliary bevel gear (208) is in meshed connection with the main bevel gear (206); an ejector cam (209) is arranged at the end part of the transverse shaft (207).
2. The flue gas desulfurization and denitrification device for automatically replacing a filter plate according to claim 1, wherein: guide grooves (2010) are formed in the left side and the right side of the treatment cylinder (2); a sliding plate (2011) is slidably mounted in the guide groove (2010); the sliding plate (2011) is of an L-shaped structure; the top of the sliding plate (2011) is provided with a squeezing plate (2012); the compression plate (2012) is of a disc-shaped structure.
3. The flue gas desulfurization and denitrification device for automatically replacing a filter plate according to claim 2, wherein: one end of the spring B (2013) is embedded and installed at the bottom of the sliding plate (2011); the other end of the spring B (2013) is embedded and installed at the bottom of the guide groove (2010); an air injection pipe (2014) is arranged at the top end inside the treatment cylinder (2); the top of the gas injection pipe (2014) is provided with a gas injection gas bag (2015); the gas injection balloon (2015) is positioned below the compression plate (2012).
4. The method for using the flue gas desulfurization and denitrification device capable of automatically replacing filter plates according to claim 3, wherein the method comprises the following steps: the method comprises the following steps:
s1: firstly, injecting the flue gas into the treatment cylinder (2) through an air inlet pipe (201) to mix the flue gas with treatment liquid in the treatment cylinder (2), so that the treatment liquid carries out first-step purification treatment on the flue gas;
s2, indirectly driving a mixing shaft (203) to rotate through a motor (3), enabling the mixing shaft (203) to drive a mixing piece (204) to rotate, and enabling the mixing piece (204) to improve the mixing degree of the treatment liquid and the flue gas through rotation;
and S3, after the flue gas is treated in the treatment cylinder (2), the flue gas enters the treatment channel (102) through the guide pipe (4), so that the flue gas flows through the filter plate (1014), and the filter plate (1014) performs the second-step purification treatment on the flue gas.
CN202311054673.0A 2023-08-22 2023-08-22 Flue gas desulfurization and denitrification device capable of automatically replacing filter plates and use method Active CN116747644B (en)

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CN202311054673.0A CN116747644B (en) 2023-08-22 2023-08-22 Flue gas desulfurization and denitrification device capable of automatically replacing filter plates and use method

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