CN114522944B - Deashing device at bottom of desulfurization tower - Google Patents

Deashing device at bottom of desulfurization tower Download PDF

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Publication number
CN114522944B
CN114522944B CN202210343156.4A CN202210343156A CN114522944B CN 114522944 B CN114522944 B CN 114522944B CN 202210343156 A CN202210343156 A CN 202210343156A CN 114522944 B CN114522944 B CN 114522944B
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CN
China
Prior art keywords
stirring rod
baffle
ash removal
desulfurization tower
gear
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CN202210343156.4A
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Chinese (zh)
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CN114522944A (en
Inventor
刘文明
高晋
吴吞
韩兵
刘军
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Shanying International Holding Co Ltd
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Shanying International Holding Co Ltd
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Priority to CN202210343156.4A priority Critical patent/CN114522944B/en
Publication of CN114522944A publication Critical patent/CN114522944A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/087Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/093Cleaning containers, e.g. tanks by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The invention discloses a desulfurizing tower bottom ash removal device which comprises a shell, wherein four circular box bodies are arranged on the outer wall of the shell and are communicated with the interior of the shell, an ash removal mechanism is arranged in each box body and comprises a telescopic rod, one end of the telescopic rod is provided with a rotary connecting piece, the rotary connecting piece is connected with a stirring rod, one end of the stirring rod, which is adjacent to the rotary connecting piece, is provided with a gear, and the other end of the stirring rod is provided with a circular baffle.

Description

Deashing device at bottom of desulfurization tower
Technical Field
The invention relates to the technical field of desulfurizing towers, in particular to a dust removing device at the bottom of a desulfurizing tower.
Background
The flue gas desulfurization refers to the removal of sulfur oxides from industrial waste gas, and the common flue gas desulfurization methods are classified into wet process, dry process and semi-dry process. At present, the dust removal and the desulfurization of the flue gas in the dry and semi-dry process technology at home and abroad are generally finished by connecting equipment such as a desulfurizing tower, a flue gas conditioning combined type cyclone dust removal device, a combined type venturi tube and the like, and then the dust removal and the desulfurization are finished, and the semi-dry process technology is a simple, low-investment and high-performance desulfurization system;
the existing desulfurizing tower is generally provided with a stirrer at the tower bottom to stir and remove ash, but the ash removal of the stirrer cannot be thoroughly carried out, and the tower wall can form large-area accumulation hard blocks after the desulfurizing tower works for a long time, so that the hard blocks fall behind and are not easily removed by a scraper of the stirrer, and the blockage at the tower bottom can be caused.
Disclosure of Invention
The invention aims to provide a dust removing device at the bottom of a desulfurization tower, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a desulfurization tower bottom ash removal device comprises a shell, wherein four circular box bodies are arranged on the outer wall of the shell, the box bodies are communicated with the interior of the shell, an ash removal mechanism is arranged in each box body, each ash removal mechanism comprises a telescopic rod, one end of each telescopic rod is provided with a rotary connecting piece, each rotary connecting piece is connected with a stirring rod, one end of each stirring rod, which is adjacent to the corresponding rotary connecting piece, is provided with a gear, and the other end of each stirring rod is provided with a circular baffle;
be located be equipped with the round spout on the shells inner wall of box below, the spout is embedded to have the ring gear, the centre of ring gear is equipped with the owner and connects, be equipped with a plurality of delivery ports around the owner connects, every all connect the scraper blade of cavity form on the delivery port, the other end of scraper blade is connected with the ring gear inner wall, the upper end of owner connects is the blind end, high-pressure rotary joint is being connected to the lower extreme of owner connects, high-pressure rotary joint is connecting the return bend, the water pipe is being connected to the return bend.
Preferably, the upper end of main joint is equipped with the connecting axle, the rotating electrical machines is being connected to the connecting axle, be equipped with square protective housing on the rotating electrical machines, the top of square protective housing is the pyramid design, each face of square protective housing all is equipped with the circular shape activity groove, every the activity groove corresponds a baffle respectively, the baffle is located same water flat line with the activity groove, the size and the activity groove of baffle match.
Preferably, after the telescopic rod is extended, the baffle at the end of the stirring rod is embedded into the movable groove, a gear on the stirring rod is meshed with the gear ring, and the stirring rod rotates along with the rotation of the gear ring.
Preferably, the baffle is equipped with sealed the pad with the casing relative one side, the mutual matching block of structure size and the box port of sealed pad.
Preferably, a spiral stirring blade is arranged on the stirring device.
Preferably, the other end of the telescopic rod penetrates through the box body to be connected with a telescopic motor.
Preferably, the scraper is provided with a plurality of flushing holes.
Preferably, the water supply pipe is designed to be triangular, and one corner of the water supply pipe is opposite to the lower part of the scraper.
Compared with the prior art, the invention has the beneficial effects that: the special ash removing mechanism is simple in structure and novel in design, can be used for firstly smashing ash through continuous expansion and contraction, and can be used for rotationally stirring after large deposited ash is smashed and loosened, so that the large deposited ash can be further smashed, and dust can be smoothly discharged from the bottom of the desulfurization tower;
the special box body is used for protecting the ash removing mechanism, when the bottom of the desulfurization tower does not need to be cleaned, the ash removing mechanism is arranged in the box body, the port of the box body can be sealed by the sealing gasket on the ash removing mechanism, the baffle plate is equivalent to the ash smashing head and can smash ash when the baffle plate stretches out and draws back, and therefore the problem that the ash removing mechanism cannot normally operate due to the fact that the port of the box body is blocked by the accumulated ash can be effectively prevented.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention
FIG. 2 is a schematic view of the ash removal mechanism of the present invention
FIG. 3 is a schematic top view of a ring gear structure of the present invention
FIG. 4 is a schematic view of a connection structure of a rotating electric machine according to the present invention
Fig. 5 is a schematic front view of the end of the water supply pipe of the present invention.
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, the present invention provides a technical solution: a desulfurization tower bottom ash removal device comprises a shell 1, wherein four circular box bodies 11 are arranged on the outer wall of the shell 1, the box bodies 11 are communicated with the inside of the shell 1, an ash removal mechanism 2 is arranged in each box body 11 and used for removing ash at the bottom of a desulfurization tower, each ash removal mechanism 2 comprises a telescopic rod 21, one end of each telescopic rod 21 penetrates through the box body 11 and is connected with a telescopic motor 211, so that the telescopic rods can be automatically stretched, a rotary connecting piece 22 is arranged at the other end of each telescopic rod 21, a connected stirring rod 23 can rotate at the end part of each telescopic rod through the rotary connecting piece 22, spiral stirring blades 234 used for crushing and stirring are arranged on each stirring rod 23, a gear 231 is arranged at one end, adjacent to the rotary connecting piece 22, of each stirring rod 23, and a circular baffle 232 is arranged at the other end of each stirring rod 23;
a circle of sliding grooves 12 are arranged on the inner wall of the shell 1 below the box body 11, a gear ring 31 is embedded in each sliding groove 12, the gear ring can rotate in each sliding groove, a main joint 32 is arranged in the middle of each gear ring 31, the lower end of each main joint 32 is connected with a high-pressure rotary joint 34, each high-pressure rotary joint 34 is connected with a connecting bent pipe 35, each connecting bent pipe 35 is connected with a water supply pipe 36, water can be conveyed to the main joint, the water entering the main joint 32 can be discharged from a plurality of water outlets 321 arranged around the main joint, each water outlet 321 is connected with a hollow scraper 33, the discharged water can enter the hollow scrapers and then is sprayed out from a plurality of washing holes 331 arranged on the scrapers 33, the agglomerated ash is sprayed to facilitate subsequent ash removal, the other end of each scraper 33 is connected with the inner wall of the gear ring 31, so that the scrapers can stir and remove ash while spraying when the gear ring rotates, in addition, each water supply pipe 36 is designed in a triangle shape, and one corner of the water supply pipe 36 is opposite to the lower part of the scrapers 33, so that dust cannot fall on the dust supply pipe;
the upper end of owner joint 32 is the blind end the upper end of owner joint 32 sets up connecting axle 322, and will rotating electrical machines 3 is connected to connecting axle 322, after starting rotating electrical machines like this, can drive the ring gear and carry out autogiration, be equipped with square protective housing 37 on rotating electrical machines 3 and be used for protecting rotating electrical machines, protective housing 37's top is the pyramid design, and the dust just can not save at the protective housing top like this, each side of protective housing 37 all is equipped with circular shape activity groove 371, every activity groove 371 corresponds a baffle 232 respectively, baffle 232 is located same water flat line with activity groove 371, just baffle 232's size and activity groove 371 phase-match.
In the embodiment, when dust is accumulated at the bottom of the tower and the scraper cleaning efficiency is slowed down, the telescopic rod 21 is driven to continuously extend in a reciprocating manner by starting the telescopic motor, at the moment, the baffle plate at the front end of the ash cleaning mechanism is equivalent to an ash smashing head, ash is continuously moved and smashed, after a period of time, the telescopic rod is directly driven to continuously extend until the baffle plate 232 at the end part of the stirring rod 23 at the front end of the telescopic rod is embedded into the movable groove 371, at the moment, the gear 231 on the stirring rod 232 is also meshed with the gear ring 31, so that the gear ring can be driven to rotate together when rotating, the stirring rod 23 rotates together with the rotation of the gear ring 31, and the rotary stirring and ash cleaning are realized;
when not needing to smash the ash, through starting flexible motor, drive telescopic link 21 is withdrawed, gets into the box until deashing mechanism gets into in the box, because the sealed 233 that is equipped with on the one side that baffle 232 is relative with casing 1, this sealed pad is for having the rubber materials of toughness to make, and the structure size of sealed 233 matches the block each other with the port of box 11, consequently keeps off when the box port department when the baffle, should seal up the port that can with the box and seal up.
The working principle is as follows: the ash removal device is arranged at the bottom of a desulfurizing tower, and then a rotating motor is started to drive a gear ring and a scraper on the gear ring to rotate, so that the ash removal is realized by continuous stirring;
when large dust is accumulated at the bottom of the tower, and the cleaning efficiency of the scraper blade is slowed down, the telescopic rod is driven to continuously extend in a reciprocating manner by starting the telescopic motor, at the moment, the baffle at the front end of the ash cleaning mechanism is equivalent to an ash smashing head, ash smashing is continuously moved, after the ash smashing is carried out for a period of time, the telescopic rod is directly driven to continuously extend until the baffle at the end part of the stirring rod at the front end of the telescopic rod is embedded into the movable groove, and meanwhile, the gear on the stirring rod is meshed with the gear ring, so that the gear ring can be driven to rotate together when rotating, and the rotary stirring and ash cleaning of the stirring rod are realized;
meanwhile, the water supply pipe can inject water into the scraper through the high-pressure rotary joint and spray the water from the water injection hole to wet agglomerated dust, so that the dust is conveniently smashed by the baffle and stirred and crushed by the stirring rod;
when the ash need not be smash, through starting flexible motor, drive the telescopic link is withdrawed, gets into the box until deashing mechanism gets into the box, and the baffle can block the port of box, because keep off the sealed pad that is equipped with on the one side relative with the casing, consequently when the baffle keeps off in box port department, should seal up the port that can seal up with the box.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a deashing device at bottom of desulfurizing tower, includes casing (1), be equipped with four circular shape boxes (11) on the outer wall of casing (1), box (11) and casing (1) inside communicate with each other, its characterized in that: a dust cleaning mechanism (2) is arranged in each box body (11), each dust cleaning mechanism (2) comprises an expansion link (21), one end of each expansion link (21) is provided with a rotary connecting piece (22), each rotary connecting piece (22) is connected with a stirring rod (23), one end, adjacent to the rotary connecting piece (22), of each stirring rod (23) is provided with a gear (231), and the other end of each stirring rod (23) is provided with a circular baffle (232);
the other end of the telescopic rod (21) penetrates through the box body (11) and is connected with a telescopic motor (211);
be located be equipped with round spout (12) on casing (1) inner wall of box (11) below, spout (12) are embedded to have ring gear (31), the centre of ring gear (31) is equipped with main joint (32), be equipped with a plurality of delivery ports (321), every around main joint (32) all have connect the scraper blade (33) of cavity form on delivery port (321), the other end and ring gear (31) inner wall of scraper blade (33) are connected, the upper end of main joint (32) is the blind end, high-pressure rotary joint (34) are being connected to the lower extreme of main joint (32), connection return bend (35) are being connected to high-pressure rotary joint (34), water supply pipe (36) are being connected in connection return bend (35).
2. The desulfurization tower bottom ash removal device as claimed in claim 1, wherein: the upper end of owner joint (32) is equipped with connecting axle (322), rotating electrical machines (3) are being connected in connecting axle (322), be equipped with square protective housing (37) on rotating electrical machines (3), the top of protective housing (37) is the pyramid design, each side of protective housing (37) all is equipped with circular shape activity groove (371), every activity groove (371) correspond a baffle (232) respectively, baffle (232) are located same water flat line with activity groove (371), the size and the activity groove (371) phase-match of baffle (232).
3. The desulfurization tower bottom ash removal device as claimed in claim 1, wherein: after the telescopic rod (21) is extended, the baffle (232) at the end part of the stirring rod (23) is embedded into the movable groove (371), the gear (231) on the stirring rod (23) is meshed with the gear ring (31), and the stirring rod (23) rotates along with the rotation of the gear ring (31).
4. The desulfurization tower bottom ash removal device as claimed in claim 1, wherein: the side, opposite to the shell (1), of the baffle (232) is provided with a sealing gasket (233), and the structural size of the sealing gasket (233) is matched and clamped with the port of the box body (11).
5. The desulfurization tower bottom ash removal device of claim 1, which is characterized in that: and a spiral stirring blade (234) is arranged on the stirring rod (23).
6. The desulfurization tower bottom ash removal device as claimed in claim 1, wherein: the scraper (33) is provided with a plurality of flushing holes (331).
7. The desulfurization tower bottom ash removal device as claimed in claim 1, wherein: the water supply pipe (36) is designed to be triangular, and one corner of the water supply pipe (36) is over against the lower part of the scraper (33).
CN202210343156.4A 2022-04-02 2022-04-02 Deashing device at bottom of desulfurization tower Active CN114522944B (en)

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Application Number Priority Date Filing Date Title
CN202210343156.4A CN114522944B (en) 2022-04-02 2022-04-02 Deashing device at bottom of desulfurization tower

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Application Number Priority Date Filing Date Title
CN202210343156.4A CN114522944B (en) 2022-04-02 2022-04-02 Deashing device at bottom of desulfurization tower

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CN114522944B true CN114522944B (en) 2023-04-07

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117244891B (en) * 2023-11-18 2024-02-23 山西晋南钢铁集团有限公司 Bottom ash removal device of desulfurization tower

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