CN112933963B - Energy-concerving and environment-protective device of industrial boiler flue gas desulfurization denitration - Google Patents
Energy-concerving and environment-protective device of industrial boiler flue gas desulfurization denitration Download PDFInfo
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- CN112933963B CN112933963B CN202110125278.1A CN202110125278A CN112933963B CN 112933963 B CN112933963 B CN 112933963B CN 202110125278 A CN202110125278 A CN 202110125278A CN 112933963 B CN112933963 B CN 112933963B
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention discloses an energy-saving and environment-friendly device for flue gas desulfurization and denitration of an industrial boiler, which belongs to the technical field of flue gas desulfurization and denitration. According to the invention, when the lifting plate moves to the upper part, the clamping pin and the clamping groove are utilized to automatically limit the lifting plate, so that when the catalyst plate is replaced, the position of the lifting plate is kept stable, the shaking is avoided, the whole reaction is not required to be terminated in the replacement process of the catalyst, the catalyst plate is not required to be replaced manually, the problem that the whole reaction is required to be terminated in the traditional catalyst replacement process is avoided, and the loss of an enterprise is reduced.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization and denitration, in particular to an energy-saving and environment-friendly device for flue gas desulfurization and denitration of an industrial boiler.
Background
The industrial boiler is an important heat energy power device, most commonly a circulating fluidized bed boiler, China is the country with the most boiler production and use in the world, in the combustion process of the industrial boiler, a large amount of smoke containing nitrate and sulfur is discharged into the air, so that serious pollution is caused to the atmosphere, in order to inhibit the pollution of the smoke discharged by the industrial boiler to the atmosphere, the smoke must be subjected to dust removal, desulfurization and denitration treatment, and the treated smoke can meet the national specified external emission standard.
The invention discloses an invention case of a part of industrial boiler flue gas desulfurization and denitration energy-saving and environment-friendly device, a Chinese patent with the patent application number of CN201811539340.6, and an industrial boiler flue gas desulfurization and denitration energy-saving and environment-friendly device, the invention discloses an industrial boiler flue gas desulfurization and denitration energy-saving and environment-friendly device, which comprises an outer frame, wherein the middle part of the top end of the outer frame is provided with an air inlet, an upper flow guide frame is fixedly arranged at the upper part of the inner side of the outer frame, an upper loading frame is fixedly arranged at the middle part of the inner side of the outer frame, a first assembly hole is arranged at the middle part of the bottom end of the upper loading frame, a discharging pipe is arranged at the inner side of the first assembly hole, an upper sealing ring is arranged between the discharging pipe and the upper loading frame, a first pH value sensor is arranged at the left part of the inner side of the upper loading frame, a lower diversion frame is fixedly arranged at the lower part of the inner side of the outer frame, the lower part of the inner side of the outer frame is fixedly provided with a lower loading frame, and the middle part of the bottom end of the lower loading frame is provided with a second assembling hole matched with the discharge pipe.
In the existing low-temperature denitration technology, when denitration is performed on flue gas, a denitration catalyst layer is arranged in a reaction tower, and after the denitration catalyst is used for a period of time, the denitration catalyst loses activity due to other substances contained in the flue gas, so that the denitration reaction rate is reduced; when changing the denitration catalyst, current reaction tower usually stops the reaction of whole reacting furnace, and artifical the change denitration catalyst afterwards, the complex operation of changing the denitration catalyst at every turn like this, consuming time long and lead to the fact the shutdown loss to the enterprise.
Based on the technical scheme, the invention designs an energy-saving and environment-friendly device for desulfurization and denitrification of flue gas of an industrial boiler, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly device for desulfurization and denitrification of industrial boiler flue gas, which aims to solve the problem of the defects of the prior art in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an energy-concerving and environment-protective device of industrial boiler flue gas desulfurization denitration, includes the reaction tower, reaction tower top intercommunication has the admission line, reaction tower left side intercommunication has the ammonia injection pipeline, it is located admission line below position to spout the ammonia, reaction tower front side bottom intercommunication has exhaust duct, the reaction tower inner wall has seted up first spout, sliding connection has first catalyst board in the first spout, the reaction tower left side is opened there is first switching port, first switching port is located catalyst board position, the reaction tower right side corresponds first switching port position opening has the second switching port, second switching port outside intercommunication has the accepting pipeline, reaction tower left side sliding connection has the lifter plate, the lifter plate is the cavity board, second catalyst board has been placed to the lifter plate upper surface, the second catalyst board is used for replacing first catalyst board, the denitration catalyst comprises a first catalyst plate, a second catalyst plate, a driving mechanism, a limiting mechanism and a stretching mechanism, wherein the driving mechanism is arranged at the bottom of the second catalyst plate and used for pushing the second catalyst plate, the driving mechanism is arranged on the rear side of the lifting plate and used for driving the lifting plate to move up and down, the driving mechanism is linked with the driving mechanism, the limiting mechanism is arranged on the left side of the reaction tower and used for limiting the lifting plate, the limiting mechanism is linked by the driving mechanism, the second catalyst plate is a hollow plate, a denitration catalyst body is arranged in the second catalyst plate in a folded mode, the stretching mechanism is arranged in the second catalyst plate and used for stretching the denitration catalyst body after the second catalyst plate is installed, and the first catalyst plate is in a state after the second catalyst plate is stretched;
the pushing mechanism comprises a first pushing plate, the first pushing plate is connected to the upper end of the lifting plate in a sliding mode, a second sliding groove is formed in the position, corresponding to the first pushing plate, of the lifting plate, the right end of the second sliding groove penetrates through the lifting plate and extends into the lifting plate, a pulling belt is fixedly connected to the right side of the first pushing plate and extends to the inner side of the lifting plate along the second sliding groove, a reset rod is rotatably connected to the left side of the lifting plate, two ends of the reset rod are fixedly connected with the lifting plate through torsional springs, a reset rope is wound on the surface of the reset rod, and the reset rope is fixedly connected with the left end face of the first pushing plate;
the driving mechanism comprises a driving motor, two sliding seats, an arc-shaped clamping block, two limiting blocks and an L-shaped stirring block, the driving motor is connected to the rear side of the lifting plate in a sliding manner through a base, a first electric cylinder is fixedly connected to the left side of the driving motor, the left side of the first electric cylinder is fixedly connected to the rear side of the lifting plate, the two sliding seats are connected to the bottom of the inner wall of the lifting plate in a sliding manner in the left-right direction, a rotating shaft is connected between the two sliding seats in a rotating manner, one end of the rotating shaft penetrates through the sliding seats and the lifting plate in sequence and is fixedly connected with the end part of an output shaft of the driving motor, a driving gear is fixedly connected to the surface of the rotating shaft, the two driving gears are respectively positioned at the front end face and the rear end face of the side face of the reaction tower, a driving rack is fixedly connected to the left side of the reaction tower, and can be meshed with the driving gear, the middle position of the rotating shaft is fixedly connected with a telescopic arc clamping plate distributed at equal intervals, one end, away from the first pushing plate, of the pulling belt is fixedly connected with arc clamping blocks, the two limiting blocks are fixedly connected to the front side and the rear side of the inner wall of the lifting plate, the limiting blocks are located above the two ends of the arc clamping blocks, the limiting blocks are used for supporting the arc clamping blocks in short distance, the L-shaped shifting block is fixedly connected to the left side of the reaction tower, the L-shaped shifting block is located above the clamping pin, and the L-shaped shifting block is used for pushing the arc clamping blocks to a track where the arc clamping plates are rotatably hooked when the second catalyst plate moves to the replacement position;
the limiting mechanism comprises two clamping grooves and two clamping pins, the two clamping grooves are symmetrically formed in the right side of the lifting plate, a second pushing plate is connected to the inner wall of each clamping groove in a sliding mode, a connecting rod is fixedly connected to the left side of the second pushing plate, the connecting rod penetrates through the sliding seat and extends to the outside of the sliding seat, then a second electric cylinder is fixedly connected to the outside of the sliding seat, the second electric cylinder is fixedly installed at the bottom of the inner wall of the lifting plate, the two clamping pins are symmetrically and slidably connected to the top of the side face of the reaction tower, a lower inclined plane is formed in the left end of each clamping pin, the right end of each clamping pin penetrates through the reaction tower and extends to the inside of the reaction tower, a positioning plate is fixedly connected to the right end of each clamping pin, and the left side of the positioning plate is fixedly connected with the inner wall of the reaction tower through a spring;
when the denitration catalyst is replaced in the existing reaction tower, the reaction of the whole reaction furnace is usually stopped, then the denitration catalyst is manually replaced, and thus the operation of replacing the denitration catalyst each time is complicated, the consumed time is long, and the enterprise is shut down and lost, the lifting plate is beneficial to keeping the position of the lifting plate stable, the problem that the lifting plate cannot be accurately installed due to shaking is avoided, when the clamping pin is clamped with the clamping groove, the first electric cylinder contracts to pull the rotating shaft and the driving motor to the left side, the driving gear is disengaged from the driving rack, the driving motor drives the rotating shaft to continuously rotate, the lifting plate is limited, the L-shaped shifting block can shift the arc-shaped clamping block, the arc-shaped clamping block can move to the left side under the action of the L-shaped shifting block, then the arc-shaped clamping plate on the surface of the rotating shaft hooks the arc-shaped clamping block, the arc-shaped clamping block can rotate around the rotating shaft along with the arc-shaped clamping plate, the pulling belt can be wound on the surface of the rotating shaft under the action of the arc-shaped clamping block, the first pushing plate can move to the right side under the pulling of the pulling belt, the second catalyst plate can be pushed into the reaction tower from the first switching port, and the first catalyst plate can be pushed out into the receiving pipeline from the second switching port, when the catalyst plate is replaced, the whole reaction does not need to be terminated any more, and the catalyst plate does not need to be replaced manually any more, the whole replacing process is relatively simpler and more convenient, the problem that the whole reaction is required to be terminated when the catalyst is replaced traditionally is avoided, the loss of an enterprise is reduced, after the second catalyst plate is replaced, the driving motor rotates reversely, the rotating shaft rotates reversely along with the driving motor, the pulling belt is released, the first pushing plate returns to the original position under the action of the torsion spring and the reset rope, the arc-shaped clamping block returns to the original position again, then the driving motor is turned off, the first electric cylinder extends, the driving motor and the rotating shaft move towards the right side together under the action of the first electric cylinder, the driving gear is meshed with the driving rack again, then the second electric cylinder extends to push the connecting rod, the connecting rod can push the clamping pin out of the clamping groove, the driving motor is started, the lifting plate can move downwards under the action of the driving gear and the driving rack so as to recover the original position, the driving gear is driven to rotate by the rotation of the driving motor, the driving gear is matched with the driving rack so as to realize the upward movement of the lifting plate, the lifting plate is automatically limited by the clamping pin and the clamping groove when moving upwards, the catalyst plate is favorably kept stable when being replaced, the problem that the lifting plate cannot be accurately installed due to shaking is avoided, then the first electric cylinder contracts, the driving gear is disengaged from the driving rack, the first pushing plate can push the second catalyst plate into the reaction tower, after the replacement is finished, the driving gear is re-engaged with the driving rack under the action of the first electric cylinder and the second electric cylinder, the limitation is relieved, and then the driving motor can drive the lifting plate to return to the original position again, in the process of replacing the catalyst, the whole reaction is not required to be terminated, the catalyst plate is not required to be replaced manually, the problem that the whole reaction is required to be terminated when the catalyst is replaced traditionally is avoided, and the loss of an enterprise is reduced.
As a further scheme of the invention, the extension mechanism comprises a rotating rod and a reset folded piece, the reset folded piece is fixedly connected to the surface of the denitration catalyst body, the reset folded piece is used for providing power for the denitration catalyst body to be unfolded, the rotating rod is slidably connected to the inner wall of the second catalyst plate, a fixing sleeve is sleeved on the surface of the rotating rod, the denitration catalyst body is fixedly connected with the surface of the fixing sleeve, the right end of the rotating rod penetrates through the inner wall of the second catalyst plate and is fixedly connected with a limiting rod, a limiting hole is formed at the right end of the second catalyst plate, the limiting rod is clamped in the limiting hole, a rotating groove is formed at the position of the second catalyst plate corresponding to the limiting hole, the rotating rod can drive the limiting rod to rotate in the rotating groove, a first trigger hole is formed at the middle position of the left side of the second catalyst plate, the denitration catalyst comprises a denitration catalyst body, a first trigger hole, a second catalyst plate, a first catalyst plate, a second catalyst plate, a first catalyst plate and a second catalyst plate, wherein the first trigger hole is arranged on the inner wall of the first catalyst plate, the tail end of the first trigger hole is an inclined plane, the tail end of the first trigger hole is arranged on the position of the second trigger hole, the bottom of the second trigger hole penetrates through the inner wall of the second catalyst plate and extends to the outside, a pushing rod is connected in the second trigger hole in a sliding manner, the upper end and the lower end of the pushing rod are inclined planes, the surface of the rotating rod is fixedly connected with a pulling rope, the pulling rope is arranged on the surface of the inner wall on the right side of the second catalyst plate, a pulling groove is arranged on the inner wall of the second catalyst plate corresponding to the pulling rope, the inner wall of the second catalyst plate is connected with a stretching plate, the two stretching plates, the denitration catalyst body is fixedly connected with the inner wall of the stretching plate, the pulling rope is fixedly connected with the inner wall of the stretching plate, enabling the denitration catalyst body to be in a compressed state, wherein a first vent hole is formed in the surface of the second catalyst plate, a second vent hole which is the same as the first vent hole is formed in the surface of the extension plate, and the first vent hole and the second vent hole are staggered and mutually blocked; when the denitration catalyst body works, when the catalyst is not replaced, the catalyst exposed in the air for a long time is easy to lose activity, so that the denitration reaction rate after replacement is still low, in the process that the second catalyst plate is pushed, the second catalyst plate can push the first catalyst plate, when the first catalyst plate is about to be pushed out of the reaction tower, the inner wall of the reaction tower can extrude the inclined plane at the bottom of the pushing rod, the pushing rod can move upwards in the second trigger hole, the inclined plane at the upper end of the pushing rod can be matched with the inclined plane at the tail end of the trigger block, then the trigger block can be pushed out, the trigger block can push the end position of the rotating rod in the middle of the second catalyst plate, the rotating rod can move towards the left side under the action of the trigger block, the limiting rod can be separated from the limiting hole and enter the rotating groove position, then the compressed denitration catalyst body can be stretched towards the two sides, and the stretching plate can drive the pulling rope to move towards the two sides, the rotating rod rotates in the fixed sleeve, the fixed sleeve can prevent the denitration catalyst body from rotating along with the rotating rod, so that the denitration catalyst body is damaged, the extension plate can slide to the outer side of the second catalyst plate, the first vent hole and the second vent hole are not blocked any more, and gas can flow through the first vent hole and the second vent hole so as to be contacted with the denitration catalyst body, when the second catalyst plate is not installed, the first vent hole and the second vent hole are in a blocked state, so that the denitration catalyst body can be prevented from being exposed in the air for a long time, and the activity of the denitration catalyst body is prevented from being reduced. The problem that leads to its activity to reduce takes place, the in-process that changes first catalyst board triggers the piece and can trigger the restriction pole, make it relieve the restriction to the dwang, the book shape piece that resets on denitration catalyst body surface can extend to one side, can drive and stretch the board and expand, first air vent and second air vent are no longer blockked, gas can pass the second catalyst board, through the in-process that utilizes the change, trigger the piece and trigger the restriction pole, it adjusts the expansion to need not artifically, it is more convenient to make the change.
As a further scheme of the invention, rubber sealing rings are fixedly connected to the peripheries of the first switching port and the second switching port, and the cross sections of the rubber sealing rings are triangular; during operation, at the in-process that switches first catalyst board, the second catalyst board is getting into the reaction tower through first switching mouth and can contacting earlier than the rubber seal ring, and first catalyst board also can contact the rubber seal ring earlier when switching the mouth through the second, prevents to carry out the in-process of changing at second catalyst board and first catalyst board, and there is the clearance between second catalyst board and first switching mouth, first catalyst board and the second switching mouth, can lead to the problem emergence of gaseous escape contaminated air in the gap.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention drives the driving gear to rotate by utilizing the rotation of the driving motor, the driving gear is matched with the driving rack, the upward movement of the lifting plate is realized, the clamping pin and the clamping groove are utilized to automatically limit the lifting plate when the lifting plate moves to the upper part, the position of the lifting plate is kept stable when the catalyst plate is replaced, the problem that the lifting plate cannot be accurately installed due to shaking is avoided, then the first electric cylinder contracts, the driving gear is disengaged from the driving rack, the first push plate can push the second catalyst plate into the reaction tower, after the replacement is finished, the driving gear is re-engaged with the driving rack under the action of the first electric cylinder and the second electric cylinder, the limit is released, then the driving motor can drive the lifting plate to return to the original position again, the whole reaction is not required to be stopped in the replacement process of the catalyst, and the catalyst plate is not required to be manually replaced any more, the problem that the whole reaction needs to be stopped when the catalyst is replaced in the prior art is avoided, and the loss of an enterprise is reduced.
2. According to the denitration catalyst body, the stretching plate, the triggering block, the limiting rod, the first vent hole and the second vent hole are arranged, when the second catalyst plate is not installed, the first vent hole and the second vent hole are in a blocked state, the denitration catalyst body can be prevented from being exposed in the air for a long time, and the activity of the denitration catalyst body is reduced.
3. In the process of switching the first catalyst plate, the second catalyst plate enters the reaction tower through the first switching port and contacts with the rubber sealing ring before the second catalyst plate passes through the second switching port, and the first catalyst plate also contacts with the rubber sealing ring firstly when passing through the second switching port, so that the problem that gas escapes from gaps to pollute air due to gaps between the second catalyst plate and the first switching port and between the first catalyst plate and the second switching port in the process of replacing the second catalyst plate and the first catalyst plate is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view showing the internal structure of a reaction column in the present invention;
FIG. 3 is a schematic diagram of a lifter plate structure according to the present invention;
FIG. 4 is a schematic view of the internal structure of the lifter plate of the present invention;
FIG. 5 is a schematic view of a half cross-sectional structure of the lifter plate of the present invention;
FIG. 6 is a schematic view of the structure at A in FIG. 5;
FIG. 7 is a schematic cross-sectional view of the present invention (hiding the first catalyst plate and the second catalyst plate);
FIG. 8 is a schematic view of the structure of FIG. 7 at B;
FIG. 9 is a schematic view of the structure of FIG. 7 at C;
FIG. 10 is a schematic view of a spacing mechanism according to the present invention;
FIG. 11 is a schematic view of the structure of FIG. 10 at D;
FIG. 12 is a structural sectional view of a left side view of a second catalyst plate in the present invention;
FIG. 13 is a sectional view showing the structure of a front view of a second catalyst plate in the present invention;
FIG. 14 is a schematic view of the structure of FIG. 13 at D;
FIG. 15 is a schematic view of the structure of FIG. 13 at E;
fig. 16 is a schematic structural view of a first catalyst plate in the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the denitration catalyst comprises a reaction tower 1, an air inlet pipeline 2, an ammonia spraying pipeline 3, an exhaust pipeline 4, a first chute 5, a first catalyst plate 6, a first switching port 7, a second switching port 8, a receiving pipeline 9, a lifting plate 10, a second catalyst plate 11, a denitration catalyst body 12, a first pushing plate 13, a second chute 14, a pulling belt 15, an arc-shaped clamping block 16, a limiting block 17, an L-shaped stirring block 18, a reset rod 19, a torsion spring 20, a reset rope 21, a driving motor 22, a first electric cylinder 23, a rotating shaft 24, a driving gear 25, a driving rack 26, an arc-shaped clamping plate 27, a positioning plate 28, a spring 29, a clamping groove 30, a sliding seat 31, a clamping pin 32, a second pushing plate 33, a connecting rod 34, a second electric cylinder 35, a lower inclined surface 36, a rotating rod 37, a fixing sleeve 38, a limiting rod 39, a limiting hole 40, a rotating groove 41, a first triggering hole 42, a triggering block 43, a second triggering hole 44, a first sliding block 7, a second sliding block 17, a lifting block 20, a lifting block 20, a lifting block 20, a lifting block 20, a lifting block 23, a lifting block, the device comprises a push rod 45, a pulling rope 46, a pulling groove 47, an extension plate 48, a first vent hole 49, a second vent hole 50, a rubber sealing ring 51 and a reset folded sheet 52.
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. 1-16, the present invention provides a technical solution: an energy-saving and environment-friendly device for desulfurization and denitrification of flue gas of an industrial boiler comprises a reaction tower 1, wherein the top of the reaction tower 1 is communicated with an air inlet pipeline 2, the left side of the reaction tower 1 is communicated with an ammonia spraying pipeline 3, ammonia spraying is positioned below the air inlet pipeline 2, the bottom of the front side of the reaction tower 1 is communicated with an exhaust pipeline 4, the inner wall of the reaction tower 1 is provided with a first chute 5, the first chute 5 is connected with a first catalyst plate 6 in a sliding manner, the left side of the reaction tower 1 is communicated with a first switching port 7, the first switching port 7 is positioned at the position of the catalyst plate, the right side of the reaction tower 1 is communicated with a second switching port 8 corresponding to the position of the first switching port 7, the outer side of the second switching port 8 is communicated with a receiving pipeline 9, the left side of the reaction tower 1 is connected with a lifting plate 10 in a sliding manner, the lifting plate 10 is a hollow plate, a second catalyst plate 11 is placed on the upper surface of the lifting plate 10, the second catalyst plate 11 is used for replacing the first catalyst plate 6, the bottom of the second catalyst plate 11 is provided with a pushing mechanism, the pushing mechanism is used for pushing the second catalyst plate 11, the rear side of the lifting plate 10 is provided with a driving mechanism, the driving mechanism is used for driving the lifting plate 10 to move up and down, the driving mechanism is linked with the pushing mechanism, the left side of the reaction tower 1 is provided with a limiting mechanism, the limiting mechanism is used for limiting the lifting plate 10, the limiting mechanism is linked by the driving mechanism, the second catalyst plate 11 is a hollow plate, the inside of the second catalyst plate 11 is provided with a denitration catalyst body 12 in a folded mode, the inside of the second catalyst plate 11 is provided with an extending mechanism, the extending mechanism is used for extending the denitration catalyst body 12 after the second catalyst plate 11 is installed, and the first catalyst plate 6 is in a state after the second catalyst plate 11 is extended;
the pushing mechanism comprises a first pushing plate 13, the first pushing plate 13 is connected to the upper end of the lifting plate 10 in a sliding mode, a second sliding groove 14 is formed in the position, corresponding to the first pushing plate 13, of the lifting plate 10, the right end of the second sliding groove 14 penetrates through the lifting plate 10 and extends into the lifting plate 10, a pulling belt 15 is fixedly connected to the right side of the first pushing plate 13, the pulling belt 15 extends to the inner side of the lifting plate 10 along the second sliding groove 14, a reset rod 19 is rotatably connected to the left side of the lifting plate 10, two ends of the reset rod 19 are fixedly connected with the lifting plate 10 through torsion springs 20, a reset rope 21 is wound on the surface of the reset rod 19, and the reset rope 21 is fixedly connected with the left end face of the first pushing plate 13;
the driving mechanism comprises a driving motor 22, two sliding seats 31, an arc-shaped clamping block 16, two limiting blocks 17 and an L-shaped shifting block 18, the driving motor 22 is connected to the rear side of the lifting plate 10 through a base in a sliding manner, the left side of the driving motor 22 is fixedly connected with a first electric cylinder 23, the left side of the first electric cylinder 23 is fixedly connected to the rear side of the lifting plate 10, the two sliding seats 31 are connected to the bottom of the inner wall of the lifting plate 10 in a sliding manner in the left-right direction, a rotating shaft 24 is connected between the two sliding seats 31 in a rotating manner, one end of the rotating shaft 24 penetrates through the sliding seats 31 and the lifting plate 10 in sequence and is fixedly connected with the end part of an output shaft of the driving motor 22, a driving gear 25 is fixedly connected to the surface of the rotating shaft 24, the driving gears 25 are located at two positions respectively on the front end face and the rear end face of the side face of the reaction tower 1, a driving rack 26 is fixedly connected to the left side of the reaction tower 1, and the driving rack 26 are two and can be meshed with the driving gear 25, the middle position of the rotating shaft 24 is fixedly connected with telescopic arc clamping plates 27 which are distributed at equal intervals, one end, far away from the first pushing plate 13, of the pulling belt 15 is fixedly connected with an arc clamping block 16, two limiting blocks 17 are fixedly connected to the front side and the rear side of the inner wall of the lifting plate 10, the limiting blocks 17 are positioned above two ends of the arc clamping block 16, the limiting blocks 17 are used for carrying out short-distance support on the arc clamping block 16, an L-shaped shifting block 18 is fixedly connected to the left side of the reaction tower 1, the L-shaped shifting block 18 is positioned above the clamping pin 32, and the L-shaped shifting block 18 is used for pushing the arc clamping block 16 to the track where the arc clamping plate 27 is rotatably hung when the second catalyst plate 11 moves to the replacement position;
the limiting mechanism comprises two clamping grooves 30 and two clamping pins 32, the two clamping grooves 30 are symmetrically arranged on the right side of the lifting plate 10, a second pushing plate 33 is connected to the inner wall of the clamping groove 30 in a sliding mode, a connecting rod 34 is fixedly connected to the left side of the second pushing plate 33, the connecting rod 34 penetrates through the sliding seat 31 and extends to the outside of the sliding seat 31, a second electric cylinder 35 is fixedly connected to the outside of the sliding seat 31, the second electric cylinder 35 is fixedly installed at the bottom of the inner wall of the lifting plate 10, the two clamping pins 32 are symmetrically connected to the top of the side face of the reaction tower 1 in a sliding mode, a lower inclined plane 36 is formed at the left end of each clamping pin 32, the right end of each clamping pin 32 penetrates through the reaction tower 1 and extends to the inside of the reaction tower 1, a positioning plate 28 is fixedly connected to the left side of the reaction tower 1 through a spring 29;
during operation, when the denitration catalyst of the existing reaction tower 1 is replaced, the reaction of the whole reaction furnace is usually stopped, and then the denitration catalyst is replaced manually, so that the operation of replacing the denitration catalyst each time is complicated, the consumed time is long, and the shutdown loss is caused to enterprises, in the invention, when the operation is performed, the driving motor 22 is started, the driving motor 22 drives the rotating shaft 24 to rotate, the driving gear 25 rotates along with the rotating shaft 24, the driving gear 25 drives the lifting plate 10 to move upwards along the driving rack 26, when the lifting plate 10 moves upwards to the position of the clamping pin 32, the upper end of the lifting plate 10 extrudes the lower inclined surface 36 arranged at the left end of the clamping pin 32, the clamping pin 32 can slide into the reaction tower 1 under the extrusion of the lifting plate 10, the lifting plate 10 continues to move upwards, when the clamping pin 32 is opposite to the clamping groove 30, the clamping pin 32 can be clamped with the clamping groove 30 under the action of the spring 29, when the clamping pin 32 is clamped with the clamping groove 30, the first electric cylinder 23 contracts to pull the rotating shaft 24 and the driving motor 22 to the left side, the driving gear 25 is disengaged from the driving rack 26, the driving motor 22 drives the rotating shaft 24 to continue rotating, the L-shaped shifting block 18 can shift the arc-shaped clamping block 16 while the lifting plate 10 is limited, the arc-shaped clamping block 16 can move to the left side under the action of the L-shaped shifting block 18, the arc-shaped clamping plate 27 on the surface of the rotating shaft 24 hooks the arc-shaped clamping block 16, the arc-shaped clamping block 16 can rotate around the rotating shaft 24 along with the arc-shaped clamping plate 27, the pulling belt 15 can be wound on the surface of the rotating shaft 24 under the action of the arc-shaped clamping block 16, the first pushing plate 13 can move to the right side under the pulling of the pulling belt 15, the second catalyst plate 11 can be pushed into the reaction tower 1 from the first switching port 7, the first catalyst plate 6 can be pushed out into the receiving pipeline 9 from the second switching port 8, when the catalyst plates are replaced, the whole reaction does not need to be terminated, and the catalyst plates do not need to be replaced manually any more, the whole replacement process is relatively simpler and more convenient, the problem that the whole reaction is required to be terminated when the catalyst is replaced conventionally is avoided, the loss of an enterprise is reduced, after the replacement of the second catalyst plate 11 is completed, the driving motor 22 rotates reversely, the rotating shaft 24 rotates reversely along with the driving motor 22, the pulling belt 15 is released, the first pushing plate 13 can restore to the original position under the action of the torsion spring 20 and the restoring rope 21, the arc-shaped clamping block 16 can return to the original position again, and then the driving motor 22 is closed, the first electric cylinder 23 extends, the driving motor 22 and the rotating shaft 24 move to the right side together under the action of the first electric cylinder 23, the driving gear 25 is meshed with the driving rack 26 again, then the second electric cylinder 35 extends to push the connecting rod 34, the connecting rod 34 pushes the clamping pin 32 out of the clamping groove 30, then the driving motor 22 is started, and the lifting plate 10 moves downwards under the action of the driving gear 25 and the driving rack 26, so as to recover the original position, the invention utilizes the driving gear 25 to rotate under the rotation of the driving motor 22, the driving gear 25 is matched with the driving rack 26 to realize the upward movement of the lifting plate 10, and utilizes the clamping pin 32 and the clamping groove 30 to automatically limit the lifting plate 10 when the lifting plate 10 moves upwards, and is beneficial to keeping the position of the lifting plate 10 stable when the catalyst plate is replaced, and the problem that the lifting plate 10 cannot be accurately installed due to shaking is avoided, first electric cylinder 23 subsequently contracts, drive gear 25 and drive rack 26 disengage from the meshing, first pushing plate 13 can push second catalyst board 11 into reaction tower 1, after the change is accomplished, under the effect of first electric cylinder 23 and second electric cylinder 35, drive gear 25 and drive rack 26 re-engage, spacing removal, driving motor 22 can drive lifter plate 10 and get back to original position again afterwards, in the change process to the catalyst, need not terminate whole reaction, and no longer need the manual work to change the catalyst board, the problem that need will finish whole reaction when avoiding the traditional catalyst of changing takes place, the loss of enterprise has been reduced.
As a further scheme of the present invention, the stretching mechanism includes a rotating rod 37 and a reset folded piece 52, the reset folded piece 52 is fixedly connected to the surface of the denitration catalyst body 12, the reset folded piece 52 is used for providing power for unfolding the denitration catalyst body 12, the rotating rod 37 is slidably connected to the inner wall of the second catalyst plate 11, the surface of the rotating rod 37 is sleeved with a fixing sleeve 38, the denitration catalyst body 12 is fixedly connected to the surface of the fixing sleeve 38, the right end portion of the rotating rod 37 penetrates through the inner wall of the second catalyst plate 11 and is fixedly connected with a limiting rod 39, the right end of the second catalyst plate 11 is provided with a limiting hole 40, the limiting rod 39 is clamped in the limiting hole 40, the second catalyst plate 11 is provided with a rotating groove 41 corresponding to the limiting hole 40, the rotating rod 37 can drive the limiting rod 39 to rotate in the rotating groove 41, the middle position of the left side of the second catalyst plate 11 is provided with a first triggering hole 42, the inner wall of the first trigger hole 42 is slidably connected with a trigger block 43, the tail end of the trigger block 43 is an inclined plane, the tail end of the trigger block 43 is provided with a second trigger hole 44, the bottom of the second trigger hole 44 penetrates through the inner wall of the second catalyst plate 11 and extends to the outside, the second trigger hole 44 is slidably connected with a push rod 45, the upper end and the lower end of the push rod 45 are inclined planes, the surface of the push rod 37 is fixedly connected with a pull rope 46, the pull rope 46 is positioned on the surface of the inner wall of the right side of the second catalyst plate 11, the inner wall of the second catalyst plate 11 is provided with a pull groove 47 corresponding to the position of the pull rope 46, the inner wall of the second catalyst plate 11 is slidably connected with an extension plate 48, the extension plate 48 is provided with two hollow plates, the denitration catalyst body 12 is fixedly connected with the inner wall of the extension plate 48, the pull rope 46 is fixedly connected with the inner wall of the extension plate 48, the two extension plates 48 are pulled by the pull rope 46, so that the denitration catalyst body 12 is in a compressed state, a first vent hole 49 is formed in the surface of the second catalyst plate 11, a second vent hole 50 identical to the first vent hole 49 is formed in the surface of the extension plate 48, and the first vent hole 49 and the second vent hole 50 are staggered and blocked; in the process of pushing the second catalyst plate 11, the second catalyst plate 11 will push the first catalyst plate 6, when the first catalyst plate 6 is about to be pushed out of the reaction tower 1, the inner wall of the reaction tower 1 will extrude the inclined plane at the bottom of the push rod 45, the push rod 45 will move upwards in the second trigger hole 44, the inclined plane at the upper end of the push rod 45 will be matched with the inclined plane at the tail end of the trigger block 43, then the trigger block 43 will be pushed out, the trigger block 43 will push the end position of the rotating rod 37 in the middle of the second catalyst plate 11, the rotating rod 37 will move to the left under the action of the trigger block 43, the limiting rod will break away from the limiting hole 30 and enter the position of the rotating groove 41, then the compressed denitration catalyst body 12 will extend to both sides, the stretching plate 48 can drive the pulling rope 46 to move towards two sides, the rotating rod 37 rotates in the fixing sleeve 38, the fixing sleeve 38 can prevent the denitration catalyst body 12 from rotating along with the rotating rod 37, so that the denitration catalyst body 12 is damaged, the stretching plate 48 can slide to the outer side of the second catalyst plate 11, the first vent hole 49 and the second vent hole 50 are not blocked any more, gas can flow through the first vent hole 49 and the second vent hole 50 and then contact with the denitration catalyst body 12, when the second catalyst plate 11 is not installed, the first vent hole 49 and the second vent hole 50 are in a blocked state, so that the denitration catalyst body 12 in the denitration catalyst body can be prevented from being exposed in the air for a long time, and the problem of activity reduction can be caused, and the invention has the advantages that the stretching plate 48, the trigger block 43, the limiting rod 39, the first vent hole 49 and the second vent hole 50 and the like, when the second catalyst plate 11 is not installed, the first vent holes 49 and the second vent holes 50 are in a blocked state, the denitration catalyst body 12 in the denitration catalyst body can be prevented from being exposed to the air for a long time, and the problem of activity reduction is caused, the limiting rod 39 is triggered by the trigger block 43 in the process of replacing the first catalyst plate 6, so that the limitation on the rotating rod 37 is removed, the reset folded piece 52 on the surface of the denitration catalyst body 1 can extend to one side, the extension plate 48 can be driven to expand by the trigger block 2, the first vent holes 49 and the second vent holes 50 are not blocked any more, gas can pass through the second catalyst plate 11, and in the replacing process, the trigger block 43 triggers the limiting rod 39, so that manual adjustment and expansion are not needed, and replacement is more convenient.
As a further scheme of the invention, rubber sealing rings 51 are fixedly connected around the first switching port 7 and the second switching port 8, and the cross sections of the rubber sealing rings 51 are triangular; during operation, in the process of switching the first catalyst plate 6, the second catalyst plate 11 will contact the rubber seal ring 51 before entering the reaction tower 1 through the first switching port 7, and the first catalyst plate 6 will contact the rubber seal ring 51 before passing through the second switching port 8, so as to prevent the occurrence of the problem that gas escapes from the gap to pollute the air due to the gaps between the second catalyst plate 11 and the first switching port 7 and between the first catalyst plate 6 and the second switching port 8 in the process of replacing the second catalyst plate 11 and the first catalyst plate 6.
The working principle is as follows:
during operation, when the denitration catalyst of the existing reaction tower 1 is replaced, the reaction of the whole reaction furnace is usually stopped, and then the denitration catalyst is replaced manually, so that the operation of replacing the denitration catalyst each time is complicated, the consumed time is long, and the shutdown loss is caused to enterprises, in the invention, when the operation is performed, the driving motor 22 is started, the driving motor 22 drives the rotating shaft 24 to rotate, the driving gear 25 rotates along with the rotating shaft 24, the driving gear 25 drives the lifting plate 10 to move upwards along the driving rack 26, when the lifting plate 10 moves upwards to the position of the clamping pin 32, the upper end of the lifting plate 10 extrudes the lower inclined surface 36 arranged at the left end of the clamping pin 32, the clamping pin 32 can slide into the reaction tower 1 under the extrusion of the lifting plate 10, the lifting plate 10 continues to move upwards, when the clamping pin 32 is opposite to the clamping groove 30, the clamping pin 32 can be clamped with the clamping groove 30 under the action of the spring 29, when the clamping pin 32 is clamped with the clamping groove 30, the first electric cylinder 23 contracts to pull the rotating shaft 24 and the driving motor 22 to the left side, the driving gear 25 is disengaged from the driving rack 26, the driving motor 22 drives the rotating shaft 24 to continue rotating, the L-shaped shifting block 18 can shift the arc-shaped clamping block 16 while the lifting plate 10 is limited, the arc-shaped clamping block 16 can move to the left side under the action of the L-shaped shifting block 18, the arc-shaped clamping plate 27 on the surface of the rotating shaft 24 hooks the arc-shaped clamping block 16, the arc-shaped clamping block 16 can rotate around the rotating shaft 24 along with the arc-shaped clamping plate 27, the pulling belt 15 can be wound on the surface of the rotating shaft 24 under the action of the arc-shaped clamping block 16, the first pushing plate 13 can move to the right side under the pulling of the pulling belt 15, the second catalyst plate 11 can be pushed into the reaction tower 1 from the first switching port 7, the first catalyst plate 6 can be pushed out into the receiving pipeline 9 from the second switching port 8, when the catalyst plates are replaced, the whole reaction does not need to be terminated, and the catalyst plates do not need to be replaced manually any more, the whole replacement process is relatively simpler and more convenient, the problem that the whole reaction is required to be terminated when the catalyst is replaced conventionally is avoided, the loss of an enterprise is reduced, after the replacement of the second catalyst plate 11 is completed, the driving motor 22 rotates reversely, the rotating shaft 24 rotates reversely along with the driving motor 22, the pulling belt 15 is released, the first pushing plate 13 can restore to the original position under the action of the torsion spring 20 and the restoring rope 21, the arc-shaped clamping block 16 can return to the original position again, and then the driving motor 22 is closed, the first electric cylinder 23 extends, the driving motor 22 and the rotating shaft 24 move to the right side together under the action of the first electric cylinder 23, the driving gear 25 is meshed with the driving rack 26 again, then the second electric cylinder 35 extends to push the connecting rod 34, the connecting rod 34 pushes the clamping pin 32 out of the clamping groove 30, then the driving motor 22 is started, and the lifting plate 10 moves downwards under the action of the driving gear 25 and the driving rack 26, so as to recover the original position, the invention utilizes the driving gear 25 to rotate under the rotation of the driving motor 22, the driving gear 25 is matched with the driving rack 26 to realize the upward movement of the lifting plate 10, and utilizes the clamping pin 32 and the clamping groove 30 to automatically limit the lifting plate 10 when the lifting plate 10 moves upwards, and is beneficial to keeping the position of the lifting plate 10 stable when the catalyst plate is replaced, and the problem that the lifting plate 10 cannot be accurately installed due to shaking is avoided, first electric cylinder 23 subsequently contracts, drive gear 25 and drive rack 26 disengage from the meshing, first pushing plate 13 can push second catalyst board 11 into reaction tower 1, after the change is accomplished, under the effect of first electric cylinder 23 and second electric cylinder 35, drive gear 25 and drive rack 26 re-engage, spacing removal, driving motor 22 can drive lifter plate 10 and get back to original position again afterwards, in the change process to the catalyst, need not terminate whole reaction, and no longer need the manual work to change the catalyst board, the problem that need will finish whole reaction when avoiding the traditional catalyst of changing takes place, the loss of enterprise has been reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. The utility model provides an energy-concerving and environment-protective device of industrial boiler flue gas desulfurization denitration, includes reaction tower (1), reaction tower (1) top intercommunication has admission line (2), reaction tower (1) left side intercommunication has ammonia injection pipeline (3), it is located to spout ammonia admission line (2) below position, reaction tower (1) front side bottom intercommunication has exhaust duct (4), first spout (5) have been seted up to reaction tower (1) inner wall, sliding connection has first catalyst board (6) in first spout (5), its characterized in that: the reaction tower (1) left side is opened with first switching port (7), first switching port (7) are located the catalyst board position, reaction tower (1) right side corresponds first switching port (7) position is opened and is had second switching port (8), second switching port (8) outside intercommunication has accepts pipeline (9), reaction tower (1) left side sliding connection has lifter plate (10), lifter plate (10) are the cavity board, second catalyst board (11) have been placed to lifter plate (10) upper surface, second catalyst board (11) are used for replacing first catalyst board (6), second catalyst board (11) bottom is equipped with pushing mechanism, pushing mechanism is used for promoting second catalyst board (11), lifter plate (10) rear side is equipped with actuating mechanism, actuating mechanism is used for driving lifter plate (10) and reciprocates, the denitration catalyst comprises a reaction tower (1), a driving mechanism and a limiting mechanism, wherein the driving mechanism is linked with the pushing mechanism, the limiting mechanism is arranged on the left side of the reaction tower (1) and used for limiting a lifting plate (10), the limiting mechanism is linked by the driving mechanism, a second catalyst plate (11) is a hollow plate, a denitration catalyst body (12) is arranged in the second catalyst plate (11) in a folding mode, an extending mechanism is arranged in the second catalyst plate (11) and used for extending the denitration catalyst body (12) after the second catalyst plate (11) is installed, and a first catalyst plate (6) is in a state after the second catalyst plate (11) is extended;
the pushing mechanism comprises a first pushing plate (13), the first pushing plate (13) is connected to the upper end of the lifting plate (10) in a sliding manner, a second sliding chute (14) is arranged at the position of the lifting plate (10) corresponding to the first pushing plate (13), the right end of the second chute (14) penetrates through the lifting plate (10) and extends into the lifting plate (10), the right side of the first pushing plate (13) is fixedly connected with a pulling belt (15), the pulling belt (15) extends to the inner side of the lifting plate (10) along the second chute (14), the left side of the lifting plate (10) is rotatably connected with a reset rod (19), both ends of the reset rod (19) are fixedly connected with the lifting plate (10) through a torsion spring (20), a reset rope (21) is wound on the surface of the reset rod (19), and the reset rope (21) is fixedly connected with the left end face of the first pushing plate (13);
the extension mechanism comprises a rotating rod (37) and a reset folding piece (52), the reset folding piece (52) is fixedly connected to the surface of the denitration catalyst body (12), the reset folding piece (52) is used for unfolding the denitration catalyst body (12) to provide power, the rotating rod (37) is connected to the inner wall of the second catalyst plate (11) in a sliding manner, a fixing sleeve (38) is sleeved on the surface of the rotating rod (37), the denitration catalyst body (12) is fixedly connected with the surface of the fixing sleeve (38), the right side end part of the rotating rod (37) penetrates through the inner wall of the second catalyst plate (11) and a limiting rod (39), a limiting hole (40) is formed in the right end of the second catalyst plate (11), the limiting rod (39) is clamped in the limiting hole (40), the second catalyst plate (11) corresponds to the position of the limiting hole (40) and a rotating groove (41) is formed in the position of the limiting hole (40), dwang (37) can drive restriction lever (39) and rotate groove (41) internal rotation, second catalyst board (11) left side intermediate position has been seted up first trigger hole (42), sliding connection has trigger block (43) on first trigger hole (42) inner wall, trigger block (43) tail end is the inclined plane, trigger block (43) tail end position has been seted up the second and has been triggered hole (44), second trigger hole (44) bottom is run through second catalyst board (11) inner wall and extend to the outside, sliding connection has ejector pin (45) in second trigger hole (44), both ends are the inclined plane about ejector pin (45), dwang (37) fixed surface is connected with pulls rope (46), pull rope (46) are located second catalyst board (11) right side inner wall surface position, second catalyst board (11) inner wall corresponds pull rope (46) position has been seted up pulling groove (47), the denitration catalyst comprises a first catalyst plate (11), a second catalyst plate (11), a denitration catalyst body (12), a pulling rope (46), stretching plates (48), a first vent hole (49), a second vent hole (50) and a third vent hole (49), wherein the stretching plates (48) are slidably connected to the inner wall of the second catalyst plate (11), the stretching plates (48) are two hollow plates, the denitration catalyst body (12) is fixedly connected to the inner wall of the stretching plates (48), the pulling rope (46) pulls the two stretching plates (48) to enable the denitration catalyst body (12) to be in a compressed state, the surface of the second catalyst plate (11) is provided with the first vent hole (49), the surface of the stretching plates (48) is provided with the second vent hole (50) which is the same as the first vent hole (49), and the first vent hole (49) and the second vent hole (50) are staggered and blocked;
the driving mechanism comprises a driving motor (22), two sliding seats (31), an arc-shaped clamping block (16), two limiting blocks (17) and an L-shaped shifting block (18), the driving motor (22) is connected to the rear side of the lifting plate (10) in a sliding manner through a base, a first electric cylinder (23) is fixedly connected to the left side of the driving motor (22), the left side of the first electric cylinder (23) is fixedly connected to the rear side of the lifting plate (10), the left and right directions of the sliding seats (31) are slidably connected to the bottom of the inner wall of the lifting plate (10), a rotating shaft (24) is connected between the two sliding seats (31) in a rotating manner, one end of the rotating shaft (24) sequentially penetrates through the sliding seats (31) and the lifting plate (10) and then is fixedly connected with the output shaft end of the driving motor (22), and a driving gear (25) is fixedly connected to the surface of the rotating shaft (24), drive gear (25) have two and be located respectively the position of both ends face around reaction tower (1) side, reaction tower (1) left side fixedly connected with drive rack (26), drive rack (26) have two and all can with drive gear (25) mesh mutually, the scalable arc joint board (27) that axis of rotation (24) intermediate position fixedly connected with equidistance distributes, the one end fixedly connected with arc joint piece (16) of first slurcam (13) are kept away from in pulling area (15), two stopper (17) fixed connection is in both sides around lifter plate (10) inner wall, stopper (17) are located the top at arc joint piece (16) both ends, stopper (17) are used for carrying out the short distance support to arc joint piece (16), L shape shifting block (18) fixed connection is in reaction tower (1) left side, the L-shaped shifting block (18) is positioned above the clamping pin (32), and the L-shaped shifting block (18) is used for pushing the arc-shaped clamping block (16) to a rotary hanging track of the arc-shaped clamping plate (27) when the second catalyst plate (11) moves to the replacement position;
stop gear includes two joint grooves (30) and two joint round pins (32), two the right side at lifter plate (10) is seted up to joint groove (30) symmetry, sliding connection has second slurcam (33) on the inner wall of joint groove (30), the left side fixedly connected with connecting rod (34) of second slurcam (33), connecting rod (34) run through sliding seat (31) and extend to fixedly connected with second electricity jar (35) behind the outside of sliding seat (31), second electricity jar (35) fixed mounting is in the bottom of lifter plate (10) inner wall, two joint round pin (32) symmetry sliding connection is at the top of reaction tower (1) side, inclined plane (36) down has been seted up to the left end of joint round pin (32), the right-hand member of joint round pin (32) runs through reaction tower (1) and extends to its inside and fixedly connected with locating plate (28), the left side of the positioning plate (28) is fixedly connected with the inner wall of the reaction tower (1) through a spring (29).
2. The industrial boiler flue gas desulfurization and denitrification energy-saving environment-friendly device according to claim 1, characterized in that: the rubber sealing ring (51) is fixedly connected to the periphery of the first switching port (7) and the periphery of the second switching port (8), and the cross section of the rubber sealing ring (51) is triangular.
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| CN113477079B (en) * | 2021-07-27 | 2023-06-06 | 杭州航民热电有限公司 | Boiler coal-fired flue gas desulfurization denitration equipment |
| CN116534982B (en) * | 2023-07-06 | 2023-12-19 | 尚丰智星(天津)环境有限公司 | Advanced oxidation device for sewage advanced treatment |
| CN117101403B (en) * | 2023-10-24 | 2024-02-06 | 江苏星永邦环保工程技术有限公司 | Ultralow temperature denitration device of heating furnace |
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