CN111939747A - Semi-dry desulfurization equipment - Google Patents
Semi-dry desulfurization equipment Download PDFInfo
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- CN111939747A CN111939747A CN202010869531.XA CN202010869531A CN111939747A CN 111939747 A CN111939747 A CN 111939747A CN 202010869531 A CN202010869531 A CN 202010869531A CN 111939747 A CN111939747 A CN 111939747A
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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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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Abstract
The invention relates to semi-dry desulfurization equipment, which belongs to the technical field of desulfurization equipment and comprises a desulfurization tank, a smoke inlet pipe, a scale removing mechanism, a smoke exhaust pipe, a transmission screw rod and a circular pipeline, wherein the smoke inlet pipe is communicated with the bottom end of the desulfurization tank; the scaling removing mechanism comprises a rotating assembly and two mounting sleeves, each mounting sleeve is provided with two scaling collecting assemblies, and two ends of the transmission screw rod are respectively provided with two sections of external threads with opposite spiral directions. According to the invention, the scale on the side wall of the desulfurization tank can be removed and collected through the scale removing mechanism, the mounting plate and the extension plate generate rotational flow in the rotation process of the transmission screw rod in the rotation process so as to extend the retention time of the flue gas in the desulfurization tank, so that the desulfurization effect of the flue gas is improved, and the plurality of filter screens can further filter the discharged flue gas.
Description
Technical Field
The invention relates to the technical field of desulfurization equipment, in particular to semi-dry desulfurization equipment.
Background
The circulating fluidized bed flue gas desulfurization technology is characterized in that a desulfurizing agent is continuously circulated in a reactor to be fully mixed and contacted with gases such as SO2, HF and the like in flue gas, and a chemical reaction is generated, SO that the utilization efficiency of the desulfurizing agent is greatly improved. With the continuous progress of the technology and the continuous accumulation of experience, the desulfurization efficiency of the method is close to that of a wet method.
The invention with the application number of CN200610118960.3 discloses a dry flue gas desulfurization device of a circulating fluidized bed, which is characterized in that: the stirrer consisting of a cylinder, a rotary stirring device, a desulfurizer inlet, a fluidized air inlet, a water inlet and a screening air channel is arranged at the bottom of the desulfurization reaction tower, and the stirrer has the functions of stirring, crushing, fluidizing, screening and conveying; the flue gas inlet is arranged on a clamping passage formed by the desulfurization reaction tower and the Venturi tube. Therefore, the invention has the advantages that after entering the clamping channel of the desulfurization reaction tower, the flue gas firstly reaches the bottom of the clamping channel downwards, the mixed material carrying out the outflow stirrer turns upwards and passes through the Venturi tube at low speed, enters the main desulfurization reaction tower, and the turning speed and the flow speed of the flue gas passing through the Venturi tube are very low; crushing by a stirrer, fluidizing, screening and conveying to ensure that no large-particle slurry exists in the desulfurization reaction tower, the particle size of the mixed material is fine, the water content is high, the activity is strong, the utilization rate of a desulfurizing agent is high, and no worry of scaling and corrosion exists; the flue gas flow velocity of the desulfurization reaction tower is low, the heat and mass transfer strength is high, the desulfurization efficiency is high, and the energy consumption is low.
However, the above invention still has the following problems:
firstly, excessive water spraying in the desulfurization device easily causes wall sticking and scaling, and the phenomenon that ash blocks fall down easily occurs when scaling is not treated for a long time or is removed in the process of scaling, so that part of a flue is blocked by the fallen ash blocks, and the normal use of the device is influenced;
secondly, after the flue gas of the desulfurization device is discharged, impurities and oil in the flue gas need to be filtered to enable the discharged flue gas to reach the discharge standard, but the existing desulfurization device needs to additionally increase flue gas filtering equipment, so that the occupied area and the production cost are increased;
thirdly, when scraping the inside material of digester, the wearing and tearing condition takes place for the easy appearance of scraping the dirt strip after the live time, influences the normal use of scraping the dirt strip for the current dirt strip.
Disclosure of Invention
The invention aims to provide semi-dry desulfurization equipment to solve the technical problems that in the prior art, the blockage of a flue due to scaling cannot be avoided, and the flue gas can be filtered only by additionally adding flue gas filtering equipment.
The technical scheme of the invention is as follows: including the digester and with the advancing tobacco pipe of digester bottom end intercommunication, wherein, still include:
the scale removing mechanism is used for removing and collecting scale on the side wall of the desulfurization tank and is arranged inside the desulfurization tank;
the smoke exhaust pipe is communicated with the top of the desulfurization tank, and a smoke filtering mechanism is arranged at the upper section in the desulfurization tank;
the transmission screw rod is vertically arranged inside the desulfurization tank, two mounting seats which are respectively arranged at the upper side and the lower side of the desulfurization tank are arranged in the desulfurization tank, and two ends of the transmission screw rod are respectively in rotary connection with the two mounting seats;
the circular pipeline is arranged at the lower section of the inside of the desulfurization tank through a pipe hoop, and a plurality of atomizing spray guns communicated with the inside of the circular pipeline are arranged on the circular pipeline;
the scale removing mechanism comprises a rotating assembly and two mounting sleeves, the mounting sleeves are sleeved on a transmission screw rod, each mounting sleeve is provided with two scale scraping and collecting assemblies which are arranged diagonally, the rotating assembly is used for driving the transmission screw rod to rotate along the axis of the rotating assembly, two ends of the transmission screw rod are respectively provided with two sections of external threads with opposite spiral directions, and the mounting sleeves are respectively provided with internal threads which are matched with the two sections of external threads.
In a preferred embodiment of the invention, the scale scraping and collecting assembly comprises a mounting plate, a material conveying pump, a storage battery, a material collecting box and an extending plate which is obliquely arranged, the mounting plate is welded on the mounting sleeve, the material conveying pump, the storage battery and the material collecting box are all arranged on the side wall of the extending plate, the material conveying pump is electrically connected with the storage battery, a dovetail groove for the extending plate to slide is arranged on the mounting plate, a material guiding scraper plate with the same inclination angle as the extending plate is arranged at the end part of the extending plate far away from the mounting sleeve, and a non-stick layer is coated on the outer surface of;
the bottom of extension board is equipped with and connects the hopper, be equipped with between the input of conveying pump and the bottom that connects the hopper with both the feeding hose that communicate, the output of conveying pump and the inside intercommunication of case that gathers materials.
In a preferred embodiment of the present invention, a plurality of breaking blades are disposed on a side wall of each material guiding scraper at equal intervals.
In a preferred embodiment of the present invention, two first spring seats are disposed at one end of the mounting plate close to the mounting sleeve, two second spring seats are disposed at one end of the extension plate close to the mounting sleeve, each first spring seat corresponds to one second spring seat, and a telescopic spring connected to the first spring seat and the corresponding second spring seat is disposed between the first spring seat and the corresponding second spring seat.
In a preferred embodiment of the present invention, the rotating assembly includes a driving motor, the driving motor is disposed at the bottom of the mounting base located below, and a main shaft of the driving motor is in transmission connection with the bottom end of the transmission screw rod through a pulley set.
In a preferred embodiment of the present invention, the flue gas filtering mechanism includes a plurality of filtering nets, every two adjacent filtering nets are connected by four connecting springs distributed circumferentially, four supporting seats distributed circumferentially are arranged at the upper end inside the desulfurization tank, a vibration spring is arranged at the top of each supporting seat, and the bottom of the filtering net located at the lowest position is fixedly connected with the top end of the vibration spring.
In a preferred embodiment of the invention, a horizontally arranged transmission shaft is arranged at the upper end inside the desulfurization tank, two ends of the transmission shaft are connected with the desulfurization tank through bearings, a first bevel gear is sleeved at the top end of the transmission screw rod, and a second bevel gear meshed with the first bevel gear is sleeved at the middle section of the transmission shaft;
the two ends of the transmission shaft are respectively sleeved with a transmission cam, the bottom of the filter screen positioned at the lowest part is provided with two connecting seats, the two connecting seats are respectively provided with a transmission wheel capable of rotating, and the two transmission cams are respectively matched with the two transmission wheels.
In a preferred embodiment of the present invention, the top end of the inside of the devulcanizer is provided with a plurality of striking plates distributed circumferentially, and the bottom of each striking plate is provided with a rubber buffer layer.
In a preferred embodiment of the present invention, the circular pipe is provided with an input pipe communicated with the inside of the circular pipe and extending to the outside of the desulfurization tank.
The invention provides semi-dry desulphurization equipment by improvement, and compared with the prior art, the semi-dry desulphurization equipment has the following improvements and advantages:
the device comprises a driving motor, a belt pulley group, a material guide scraper plate, a material guide inclined plate, a transmission screw rod, a transmission shaft and;
the scale impurities in the receiving hopper can be pumped out under the action of the delivery pump, and the pumped scale impurities are delivered into the material collecting box; the technical problem that the flue is blocked by scaling cannot be solved in the prior art is solved.
Secondly, for the desulfurization effect of improvement to the flue gas, the transmission lead screw can drive two installation covers at the pivoted in-process and rotate, makes mounting panel and extension board on the installation cover rotate to make mounting panel and extension board produce the whirl at the rotation in-process, extend the dwell time of flue gas in the digester, and then improve the desulfurization effect to the flue gas.
Thirdly, the plurality of filter screens can further filter the discharged flue gas to filter out impurity particles in the flue gas;
in order to prevent meshes of a plurality of filter screens from being blocked by foreign particles, the transmission screw rod can drive the first bevel gear to rotate in the rotating process, so that the first bevel gear can drive the second bevel gear meshed with the first bevel gear to rotate, the transmission shaft is rotated, and then the two cams sleeved on the transmission shaft rotate along the axis of the transmission shaft; the technical problem that the smoke can be filtered only by additionally adding smoke filtering equipment in the prior art is solved.
Fourth, too contradict for avoiding guide scraper blade and digester inner wall, the extending plate scrapes the in-process of scale deposit at the digester inner wall, plays the cushioning effect to the extending plate, avoids making digester or guide scraper blade take place the damage because of guide scraper blade and digester inner wall too contradict to make guide scraper blade and digester inner wall keep certain conflict power throughout, avoid guide scraper blade live time appear easily after a long time that the guide scraper blade takes place wearing and tearing and influence the normal use of guide scraper blade.
Fifthly, in order to avoid the phenomenon that the guide scrapers are in a strip shape due to scaling adhesion in the process of scraping the inner wall of the desulfurizing tank, a plurality of breaking blades arranged at equal intervals are arranged on the side wall of each guide scraper; the in-process that the guide scraper blade was doctored to the digester inner wall, when the scale deposit of doctoring was the strip, can cut off the strip scale deposit under the effect of broken blade, realized the breakage to the strip scale deposit to better can take out the scale deposit impurity that connects in the hopper under the effect of defeated material pump.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of the first embodiment of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a partial sectional view of the second embodiment of the present invention;
FIG. 6 is an enlarged view of FIG. 5 at B;
fig. 7 is an enlarged view of fig. 5 at C.
Description of reference numerals:
the device comprises a desulfurizing tank 1, a smoke inlet pipe 2, a scaling removal mechanism 3, a feeding hose 31, a rotating assembly 32, a driving motor 33, a belt pulley group 34, a scaling and collecting assembly 35, a mounting plate 351, a material conveying pump 352, a material collecting box 353, an extension plate 354, a dovetail groove 355, a material guiding scraper 36, a breaking blade 361, a material receiving hopper 37, a smoke exhaust pipe 4, a smoke filtering mechanism 41, a filter screen 42, a connecting spring 43, a supporting seat 44, a vibrating spring 45, a transmission screw rod 5, a mounting seat 51, an external thread 52, a mounting sleeve 53, a circular pipeline 6, an atomizing spray gun 61, a first spring seat 7, a second spring seat 71, a telescopic spring 72, a transmission shaft 8, a first bevel gear 81, a second bevel gear 82, a transmission cam 83, a connecting seat 84, a transmission wheel 85 and.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides semi-dry desulphurization equipment, which comprises a desulphurization tank 1 and a smoke inlet pipe 2 communicated with the bottom end of the desulphurization tank 1, wherein the semi-dry desulphurization equipment further comprises:
the scale removing mechanism 3 is used for removing and collecting scale on the side wall of the desulfurization tank 1, and the scale removing mechanism 3 is arranged inside the desulfurization tank 1;
the smoke exhaust pipe 4 is communicated with the top of the desulfurization tank 1, and a smoke filtering mechanism 41 is arranged at the upper section inside the desulfurization tank 1;
the transmission screw rod 5 is vertically arranged inside the desulfurization tank 1, two mounting seats 51 which are respectively arranged at the upper side and the lower side of the desulfurization tank 1 are arranged in the desulfurization tank 1, and two ends of the transmission screw rod 5 are respectively and rotatably connected with the two mounting seats 51; transmission lead screw 5 can drive two installation covers 53 at the pivoted in-process and rotate, make installation panel 351 and extension board 354 on the installation cover 53 rotate, and make installation panel 351 and extension board 354 produce the whirl at the rotation in-process, extend the dwell time of flue gas in digester 1, and then improve the desulfurization effect to the flue gas, and two installation covers 53 all cooperate with two sections opposite spiral direction's external screw thread 52, make two installation covers 53 be close to each other or keep away from each other, and then realize scraping dirty aggregate unit 35 and strike off the scale deposit that attaches to the inside wall of digester 1 in great within range.
The circular pipeline 6 is installed at the lower section inside the desulfurization tank 1 through a pipe hoop, and a plurality of atomizing spray guns 61 communicated with the inside of the circular pipeline 6 are arranged on the circular pipeline 6; the desulfurizer can be input into the circular pipeline 6 through the input pipeline, so that the plurality of atomizing spray guns 61 can cover the lower section of the inside of the whole desulfurization tank 1 with the desulfurizer, and the flue gas entering the desulfurization tank 1 is subjected to desulfurization operation.
The scale removing mechanism 3 comprises a rotating component 32 and two mounting sleeves 53 sleeved on the transmission screw rod 5, each mounting sleeve 53 is provided with two diagonally arranged scale scraping aggregate components 35, the rotating component 32 is used for driving the transmission screw rod 5 to rotate along the axis of the rotating component, two ends of the transmission screw rod 5 are respectively provided with two sections of external threads 52 with opposite spiral directions, and the two mounting sleeves 53 are respectively provided with internal threads matched with the two sections of external threads 52; the transmission screw 5 can make two installation sleeves 53 be close to each other or keep away from each other at the pivoted in-process, and then realizes scraping the scale deposit that dirty aggregate subassembly 35 is stained with the absorption to the lateral wall of digester 1 in great within range and strikes off.
Preferably, referring to fig. 2, 3 and 4, the dirt scraping and collecting assembly 35 includes a mounting plate 351, a material delivery pump 352, a storage battery, a material collecting box 353 and an extending plate 354 arranged in an inclined manner, the mounting plate 351 is welded on the mounting sleeve 53, the material delivery pump 352, the storage battery and the material collecting box 353 are all arranged on the side wall of the extending plate 354, the material delivery pump 352 is electrically connected with the storage battery, a dovetail groove 355 for the extending plate 354 to slide is arranged on the mounting plate 351, a material guiding scraper 36 with the same inclined angle as that of the end of the extending plate 354 far away from the mounting sleeve 53 is arranged, and the outer surface of the extending plate 354 is coated with a non-stick layer; the battery is used for supplying power to feeding pump 352, dovetail 355 is used for leading the removal of extension board 354, guide scraper 36 contradicts with the inside wall of digester 1, make guide scraper 36 get rid of being stained with the scale deposit of attaching on the inside wall of digester 1 at the pivoted in-process, the scale deposit of scraping makes the scale deposit can be leading-in to connecing in the hopper 37 under the effect that the slope set up the guide swash plate, can make the scale deposit impurity of connecing in the hopper 37 take out under feeding pump 352's effect, and carry the scale deposit impurity of taking out to in the case 353, the outer surface coating of extension board 354 has the non-staining layer and is used for avoiding the scale deposit to be stained with and attaches on the surface of extension board 354.
A receiving hopper 37 is arranged at the bottom end of the extension plate 354, a feeding hose 31 communicated with the input end of the material conveying pump 352 and the receiving hopper 37 is arranged between the input end of the material conveying pump 352 and the bottom end of the receiving hopper 37, and the output end of the material conveying pump 352 is communicated with the interior of the material collecting box 353; the conveying pump 352 can pump out the scaling impurities in the receiving hopper 37 and convey the pumped scaling impurities to the collecting box 353.
In order to avoid the material guiding scraper 36 from excessively abutting against the inner side wall of the desulfurization tank 1, so as to damage the desulfurization tank 1 or the material guiding scraper 36, preferably, two first spring seats 7 are arranged at one end of the mounting plate 351 close to the mounting sleeve 53, two second spring seats 71 are arranged at one end of the extension plate 354 close to the mounting sleeve 53, each first spring seat 7 corresponds to one second spring seat 71, and a telescopic spring 72 connected with the first spring seat 7 and the corresponding second spring seat 71 is arranged between the first spring seat 7 and the corresponding second spring seat 71; extension plate 354 scrapes the in-process of scale deposit to digester 1 inside wall, plays the cushioning effect to extension plate 354, avoids making digester 1 or guide scraper 36 take place the damage because of guide scraper 36 too contradicts with digester 1 inside wall to make guide scraper 36 and digester 1 inside wall keep certain interference all the time, avoid guide scraper 36 life time appearing guide scraper 36 easily after long time and take place wearing and tearing and influence the normal use of guide scraper 36.
Preferably, the rotating assembly 32 comprises a driving motor 33, the driving motor 33 is arranged at the bottom of the mounting seat 51 located below, and a main shaft of the driving motor 33 is in transmission connection with the bottom end of the transmission screw rod 5 through a pulley set 34; the driving motor 33 can drive the transmission screw rod 5 to rotate through the belt pulley set 34, so that the transmission screw rod 5 can enable the two mounting sleeves 53 to approach to each other or to be away from each other in the rotating process.
Preferably, the flue gas filtering mechanism 41 comprises a plurality of filtering screens 42, every two adjacent filtering screens 42 are connected through four circumferentially distributed connecting springs 43, four circumferentially distributed supporting seats 44 are arranged at the upper end inside the desulfurization tank 1, a vibration spring 45 is arranged at the top of each supporting seat 44, and the bottom of the filtering screen 42 located at the lowest position is fixedly connected with the top end of the vibration spring 45; the plurality of filter screens 42 can further filter the discharged flue gas to remove impurity particles in the flue gas, and the connecting spring 43 is used for connecting every two adjacent filter screens 42.
Preferably, a transmission shaft 8 which is horizontally arranged is arranged at the upper end inside the desulfurization tank 1, two ends of the transmission shaft 8 are connected with the desulfurization tank 1 through bearings, a first bevel gear 81 is sleeved at the top end of the transmission screw rod 5, and a second bevel gear 82 meshed with the first bevel gear 81 is sleeved at the middle section of the transmission shaft 8; transmission lead screw 5 can drive first bevel gear 81 at the pivoted in-process and rotate, make first bevel gear 81 can drive and rotate rather than the second bevel gear 82 of meshing, make transmission shaft 8 rotate, and then make two covers rotate along transmission shaft 8's axis at transmission shaft 8 epaxial cams, the cam cooperatees with drive wheel 85 at pivoted in-process, it drives connecting seat 84 and removes to make drive wheel 85, it shakes to make the filter screen 42 of below, and then make a plurality of filter screens 42 shake simultaneously, avoid the dust to cause the jam and influence the normal filtering action of filter screen 42 to the mesh of filter screen 42.
Two ends of the transmission shaft 8 are respectively sleeved with a transmission cam 83, the bottom of the filter screen 42 positioned at the lowest part is provided with two connecting seats 84, the two connecting seats 84 are respectively provided with a transmission wheel 85 capable of rotating, and the two transmission cams 83 are respectively matched with the two transmission wheels 85; the transmission shaft 8 drives the two cams to rotate along the axis of the transmission shaft 8 in the rotating process, and the cams are matched with the transmission wheel 85 in the rotating process, so that the transmission wheel 85 drives the connecting seat 84 to move, and the lowermost filter screen 42 is vibrated.
In order to avoid the phenomenon that the guide scrapers 36 are adhered in a strip shape in the process of scraping the inner wall of the desulfurizing tank 1, a plurality of breaking blades 361 which are arranged at equal intervals are arranged on the side wall of each guide scraper 36; in the process of scraping the inner wall of the desulfurizing tank 1 by the material guide scraper 36, when the scraped scale is strip-shaped, the strip-shaped scale can be cut off under the action of the breaking blade 361, so that the strip-shaped scale can be broken, and scale impurities in the material receiving hopper 37 can be better extracted under the action of the material conveying pump 352.
In order to improve the vibration effect of the plurality of filter screens 42, preferably, a plurality of striking plates 86 distributed circumferentially are arranged at the top end inside the desulfurization tank 1, and a rubber buffer layer is arranged at the bottom of each striking plate 86; a plurality of filter screens 42 vibrate simultaneously, and the filter screen 42 of the superiors can collide with the board 86 of strikeing at the in-process of vibrations, improves a plurality of filter screens 42's vibrations effect, further avoids the dust to cause the jam to the mesh of filter screen 42, and the bottom of strikeing board 86 all is equipped with rubber buffer layer and is used for avoiding strikeing the board 86 and cause the damage to the filter screen 42 of the superiors.
Preferably, the circular pipeline 6 is provided with an input pipeline communicated with the inside of the circular pipeline and extending to the outside of the desulfurization tank 1, and a desulfurizer can be input into the circular pipeline 6 through the input pipeline, so that the plurality of atomizing spray guns 61 can cover the lower section of the whole inside of the desulfurization tank 1 with the desulfurizer, and the flue gas entering the desulfurization tank 1 is subjected to desulfurization operation.
The working principle of the invention is as follows: a desulfurizer can be input into the circular pipeline 6 through the input pipeline, so that the plurality of atomizing spray guns 61 can cover the desulfurizer on the lower section of the whole desulfurization tank 1, the flue gas entering the desulfurization tank 1 is subjected to desulfurization operation, and the flue gas enters the desulfurization tank 1 through the smoke inlet pipe 2;
in order to avoid the phenomenon that the scale falls downwards to cause the falling scale impurities to block the smoke inlet pipe 2, the scale removing mechanism 3 can remove and collect the scale on the side wall of the desulfurizing tank 1, specifically, the driving motor 33 can drive the transmission screw rod 5 to rotate through the belt pulley set 34 to enable the transmission screw rod 5 to enable the two mounting sleeves 53 to be close to or away from each other in the rotating process, so that the scale scraping and collecting component 35 can scrape the scale adhered to the inner side wall of the desulfurizing tank 1 in a larger range, the guide scraper 36 is abutted against the inner side wall of the desulfurizing tank 1 to enable the guide scraper 36 to remove the scale adhered to the inner side wall of the desulfurizing tank 1 in the rotating process, the scraped scale can be guided into the material receiving hopper 37 under the action of the inclined guide inclined plate, and the scale impurities in the material receiving hopper 37 can be pumped out under the action of the pump 352, and the extracted scaling impurities are conveyed into a material collecting box 353;
in order to improve the desulfurization effect on the flue gas, the transmission screw rod 5 can drive the two mounting sleeves 53 to rotate in the rotating process, so that the mounting plate 351 and the extension plate 354 on the mounting sleeves 53 rotate, and the mounting plate 351 and the extension plate 354 generate rotational flow in the rotating process to extend the retention time of the flue gas in the desulfurization tank 1, thereby improving the desulfurization effect on the flue gas;
and, transmission lead screw 5 can drive first bevel gear 81 at the pivoted in-process and rotate, make first bevel gear 81 can drive and rotate rather than the second bevel gear 82 of meshing, make transmission shaft 8 rotate, and then make two covers rotate along the axis of transmission shaft 8 on transmission shaft 8, the cam cooperatees with drive wheel 85 at pivoted in-process, it drives connecting seat 84 and removes to make the filter screen 42 of below shake, and then make a plurality of filter screens 42 shake simultaneously, avoid the dust to cause the jam and influence the normal filtering action of filter screen 42 to the mesh of filter screen 42.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a semidry desulfurization equipment, includes digester (1) and advances tobacco pipe (2) with digester (1) bottom intercommunication, its characterized in that still includes:
the scale removing mechanism (3) is used for removing and collecting scale on the side wall of the desulfurization tank (1), and the scale removing mechanism (3) is arranged inside the desulfurization tank (1);
the smoke exhaust pipe (4) is communicated with the top of the desulfurizing tank (1), and a flue gas filtering mechanism (41) is arranged at the upper section inside the desulfurizing tank (1);
the transmission screw rod (5) is vertically arranged inside the desulfurizing tank (1), two mounting seats (51) which are respectively arranged at the upper side and the lower side of the desulfurizing tank (1) are arranged in the desulfurizing tank (1), and two ends of the transmission screw rod (5) are respectively and rotatably connected with the two mounting seats (51);
the circular pipeline (6) is arranged at the lower section in the desulfurization tank (1) through a pipe hoop, and a plurality of atomizing spray guns (61) communicated with the inside of the circular pipeline (6) are arranged on the circular pipeline (6);
mechanism (3) is got rid of in scale deposit establish installation cover (53) at transmission lead screw (5) including rotating assembly (32) and two covers, every all be equipped with two on installation cover (53) and be the dirty subassembly (35) that gathers materials of scraping of diagonal angle setting, rotating assembly (32) are used for driving transmission lead screw (5) and rotate along self axis, the both ends of transmission lead screw (5) are equipped with two sections opposite screw direction's external screw thread (52) respectively, two installation cover (53) are equipped with the internal thread that suits with two sections external screw thread (52) respectively.
2. The semi-dry desulfurization apparatus according to claim 1, characterized in that: the scale scraping and collecting assembly (35) comprises a mounting plate (351), a material conveying pump (352), a storage battery, a material collecting box (353) and an extending plate (354) which is obliquely arranged, the mounting plate (351) is welded on a mounting sleeve (53), the material conveying pump (352), the storage battery and the material collecting box (353) are arranged on the side wall of the extending plate (354), the material conveying pump (352) is electrically connected with the storage battery, a dovetail groove (355) for the extending plate (354) to slide is formed in the mounting plate (351), a material guiding scraper blade (36) with the same inclination angle is arranged at the end, far away from the mounting sleeve (53), of the extending plate (354), and a non-sticking layer is coated on the outer surface of the extending plate (354);
the bottom of extension board (354) is equipped with and connects hopper (37), be equipped with between the input of defeated material pump (352) and the bottom that connects hopper (37) with feeding hose (31) that both communicate, the output and the inside intercommunication of case (353) of gathering materials of defeated material pump (352).
3. The semi-dry desulfurization apparatus according to claim 2, characterized in that: a plurality of breaking blades (361) which are arranged at equal intervals are arranged on the side wall of each material guide scraper (36).
4. The semi-dry desulfurization apparatus according to claim 2, characterized in that: the one end that is close to installation cover (53) of mounting panel (351) is equipped with two first spring seats (7), the one end that extension board (354) are close to installation cover (53) is equipped with two second spring seats (71), every first spring seat (7) all correspond a second spring seat (71), be equipped with between first spring seat (7) and the second spring seat (71) rather than corresponding with both expansion spring (72) that are connected.
5. The semi-dry desulfurization apparatus according to claim 1, characterized in that: rotating assembly (32) are including driving motor (33), driving motor (33) set up and are being located the below the bottom of mount pad (51), be connected through pulley group (34) transmission between the main shaft of driving motor (33) and the bottom of transmission lead screw (5).
6. The semi-dry desulfurization apparatus according to claim 1, characterized in that: flue gas filtering mechanism (41) include a plurality of filter screen (42), connect through connecting spring (43) that four circumference distribute between per two adjacent filter screen (42), the inside upper end of digester (1) is equipped with four supporting seats (44) that are circumference and distribute, every the top of supporting seat (44) all is equipped with vibrations spring (45), is located the below the top fixed connection of filter screen (42) bottom and vibrations spring (45).
7. The semi-dry desulfurization apparatus according to claim 6, wherein: a transmission shaft (8) which is horizontally arranged is arranged at the upper end inside the desulfurizing tank (1), two ends of the transmission shaft (8) are connected with the desulfurizing tank (1) through bearings, a first bevel gear (81) is sleeved at the top end of the transmission screw rod (5), and a second bevel gear (82) meshed with the first bevel gear (81) is sleeved at the middle section of the transmission shaft (8);
two ends of the transmission shaft (8) are respectively sleeved with a transmission cam (83), the bottom of the filter screen (42) positioned at the lowest part is provided with two connecting seats (84), the two connecting seats (84) are respectively provided with a transmission wheel (85) capable of rotating, and the two transmission cams (83) are respectively matched with the two transmission wheels (85).
8. The semi-dry desulfurization apparatus according to claim 7, wherein: the inside top of digester (1) is equipped with a plurality of striking boards (86) that are the circumference and distribute, every the bottom of striking board (86) all is equipped with the rubber buffer layer.
9. The semi-dry desulfurization apparatus according to claim 1, characterized in that: and an input pipeline communicated with the interior of the circular pipeline (6) and extending out of the desulfurizing tank (1) is arranged on the circular pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869531.XA CN111939747A (en) | 2020-08-26 | 2020-08-26 | Semi-dry desulfurization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869531.XA CN111939747A (en) | 2020-08-26 | 2020-08-26 | Semi-dry desulfurization equipment |
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| CN111939747A true CN111939747A (en) | 2020-11-17 |
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| CN202010869531.XA Pending CN111939747A (en) | 2020-08-26 | 2020-08-26 | Semi-dry desulfurization equipment |
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