CN114522944A - Deashing device at bottom of desulfurization tower - Google Patents

Deashing device at bottom of desulfurization tower Download PDF

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Publication number
CN114522944A
CN114522944A CN202210343156.4A CN202210343156A CN114522944A CN 114522944 A CN114522944 A CN 114522944A CN 202210343156 A CN202210343156 A CN 202210343156A CN 114522944 A CN114522944 A CN 114522944A
Authority
CN
China
Prior art keywords
ash removal
stirring rod
baffle
desulfurization tower
removal device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210343156.4A
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Chinese (zh)
Other versions
CN114522944B (en
Inventor
刘文明
高晋
吴吞
韩兵
刘军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanying International Holding Co Ltd
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Shanying International Holding Co Ltd
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Filing date
Publication date
Application filed by Shanying International Holding Co Ltd filed Critical Shanying International Holding Co Ltd
Priority to CN202210343156.4A priority Critical patent/CN114522944B/en
Publication of CN114522944A publication Critical patent/CN114522944A/en
Application granted granted Critical
Publication of CN114522944B publication Critical patent/CN114522944B/en
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Anticipated expiration legal-status Critical

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Classifications

    • 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

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 desulfurization of flue gas in dry and semi-dry processes at home and abroad are generally finished by connecting equipment such as a desulfurizing tower, a flue gas conditioning combined cyclone dust removal device, a combined venturi tube and the like, 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 aims to solve the problems in the prior art.
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 provided with a sealing gasket on the surface opposite to the shell, and the sealing gasket is matched and clamped with the port of the box body in size.
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 the 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 removal mechanism, when ash removal is not needed at the bottom of the desulfurization tower, the ash removal mechanism is arranged in the box body, the sealing gasket on the ash removal mechanism can seal the port of the box body, the baffle plate is equivalent to the ash smashing head, and ash smashing can be carried out during expansion, so that ash deposition can be effectively prevented from blocking the port of the box body, and the ash removal mechanism cannot normally operate.
Drawings
FIG. 1 is a schematic 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 according to 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 the sliding grooves 12 and can rotate in the sliding grooves, a main joint 32 is arranged in the middle of the gear ring 31, the lower end of the main joint 32 is connected with a high-pressure rotary joint 34, the high-pressure rotary joint 34 is connected with a connecting bent pipe 35, the connecting bent pipe 35 is connected with a water supply pipe 36, water can be supplied 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, so that the discharged water can enter the hollow scraper and then be sprayed out from a plurality of flushing holes 331 arranged on the scraper 33, the agglomerated ash can be sprayed to facilitate subsequent ash removal, the other end of the scraper 33 is connected with the inner wall of the gear ring 31, and when the gear ring rotates, the scraping plate can spray and stir for cleaning dust at the same time, in addition, the water supply pipe 36 is designed in a triangular shape, and one corner of the water supply pipe 36 is opposite to the lower part of the scraping plate 33, so that dust falling from the desulfurizing tower cannot be accumulated on the water 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 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 (8)

1. The utility model provides a deashing device at bottom of desulfurizing tower, includes casing (1), be equipped with four circular shape box (11) on the outer wall of casing (1), box (11) and casing (1) inside communicate with each other, its characterized in that: the ash removal mechanism (2) is arranged in each box body (11), the ash removal mechanism (2) comprises an expansion link (21), one end of the expansion link (21) is provided with a rotary connecting piece (22), the rotary connecting piece (22) is connected with a stirring rod (23), one end of the stirring rod (23) adjacent to the rotary connecting piece (22) is provided with a gear (231), and the other end of the stirring rod (23) is provided with a circular baffle (232);
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) around main joint (32), every all have connected scraper blade (33) of cavity form on delivery port (321), the other end of scraper blade (33) is connected with ring gear (31) inner wall, 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), connecting elbow (35) is being connected to high-pressure rotary joint (34), water supply pipe (36) is being connected in connecting elbow (35).
2. The desulfurization tower bottom ash removal device of claim 1, which is characterized in that: 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 of claim 1, which is characterized in that: 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 (232) 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 of claim 1, which is characterized in that: the side, opposite to the shell (1), of the baffle plate (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 of claim 1, which is characterized in that: the other end of the telescopic rod (21) penetrates through the box body (11) to be connected with a telescopic motor (211).
7. The desulfurization tower bottom ash removal device of claim 1, which is characterized in that: the scraper (33) is provided with a plurality of flushing holes (331).
8. The desulfurization tower bottom ash removal device of claim 1, which is characterized in that: 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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CN114522944B CN114522944B (en) 2023-04-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117244891A (en) * 2023-11-18 2023-12-19 山西晋南钢铁集团有限公司 Bottom ash removal device of desulfurization tower

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CN112877206A (en) * 2021-03-09 2021-06-01 咸政 Cellulose enzymolysis reaction device for cellulose ethanol production
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CN113457424A (en) * 2021-06-25 2021-10-01 日照鲁碧新材料科技有限公司 Flue gas desulfurization equipment for sintered lime
CN113577954A (en) * 2021-08-16 2021-11-02 莱西市济蓝环境生态科技院 Flue gas degree of depth dust collecting equipment
CN113856513A (en) * 2021-10-28 2021-12-31 北方联合电力有限责任公司呼和浩特金桥热电厂 Washing and stirring device at bottom of desulfurization tower
CN113856432A (en) * 2021-10-28 2021-12-31 北方联合电力有限责任公司呼和浩特金桥热电厂 Power plant desulfurizing tower
CN215539730U (en) * 2021-08-03 2022-01-18 北京清森环境科技有限公司 Easy-to-clean desulfurizing tower for flue gas treatment
CN215863428U (en) * 2021-08-11 2022-02-18 江苏海澜正和环境科技有限公司 Novel ash smashing device for ash bucket
CN215940956U (en) * 2021-08-31 2022-03-04 成都中寰流体控制设备股份有限公司 Equipment for preventing inner wall of industrial desulfurization device from being stained with adhesive

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Publication number Priority date Publication date Assignee Title
JPH1133352A (en) * 1997-07-24 1999-02-09 Ishikawajima Harima Heavy Ind Co Ltd Absorption tower for flue gas desulfurization equipment
CN206103569U (en) * 2016-08-22 2017-04-19 武汉永清环保科技工程有限公司 Grey device is disclosed to industrial dust removal ware ash bucket
CN206905549U (en) * 2017-05-27 2018-01-19 中国一冶集团有限公司 Dry powder makes material tamping equipment firm by ramming
CN207980836U (en) * 2017-12-21 2018-10-19 上海盛剑环境系统科技股份有限公司 A kind of desulfurizing tower and its caking dust cleaning mechanism
CN208465595U (en) * 2018-06-13 2019-02-05 攀枝花市蓝鼎环保科技有限公司 A kind of flue gas desulfurization special tower
CN108905664A (en) * 2018-07-05 2018-11-30 史炳文 A kind of lower hopper cleaning equipment
CN210332075U (en) * 2019-04-25 2020-04-17 山东省华琦聚得环保工程有限公司 Desulfurizing tower defogging dust removal integrative device
CN110201517A (en) * 2019-06-30 2019-09-06 南京鸿光环保科技有限公司 The efficient out of stock oxidation unit of flue gas
CN111420518A (en) * 2020-04-01 2020-07-17 马慧慧 Coke oven gas desulfurizing tower
CN213909509U (en) * 2020-04-15 2021-08-10 上海斐勋广告有限公司 Selling is with fabrics display device that removes dust
CN112426814A (en) * 2020-11-23 2021-03-02 娴峰钩 Environment-friendly high temperature flue gas desulphurization device with heat recovery function
CN214075934U (en) * 2020-12-22 2021-08-31 江苏远东环保工程有限公司 Desulfurizing tower convenient to clearance
CN112877206A (en) * 2021-03-09 2021-06-01 咸政 Cellulose enzymolysis reaction device for cellulose ethanol production
CN113457424A (en) * 2021-06-25 2021-10-01 日照鲁碧新材料科技有限公司 Flue gas desulfurization equipment for sintered lime
CN215539730U (en) * 2021-08-03 2022-01-18 北京清森环境科技有限公司 Easy-to-clean desulfurizing tower for flue gas treatment
CN215863428U (en) * 2021-08-11 2022-02-18 江苏海澜正和环境科技有限公司 Novel ash smashing device for ash bucket
CN113577954A (en) * 2021-08-16 2021-11-02 莱西市济蓝环境生态科技院 Flue gas degree of depth dust collecting equipment
CN215940956U (en) * 2021-08-31 2022-03-04 成都中寰流体控制设备股份有限公司 Equipment for preventing inner wall of industrial desulfurization device from being stained with adhesive
CN113856513A (en) * 2021-10-28 2021-12-31 北方联合电力有限责任公司呼和浩特金桥热电厂 Washing and stirring device at bottom of desulfurization tower
CN113856432A (en) * 2021-10-28 2021-12-31 北方联合电力有限责任公司呼和浩特金桥热电厂 Power plant desulfurizing tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117244891A (en) * 2023-11-18 2023-12-19 山西晋南钢铁集团有限公司 Bottom ash removal device of desulfurization tower
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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