CN108342206B - Sectional type water-cooling sleeve - Google Patents

Sectional type water-cooling sleeve Download PDF

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Publication number
CN108342206B
CN108342206B CN201810360370.4A CN201810360370A CN108342206B CN 108342206 B CN108342206 B CN 108342206B CN 201810360370 A CN201810360370 A CN 201810360370A CN 108342206 B CN108342206 B CN 108342206B
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China
Prior art keywords
sleeve
water
pipe
cooling
inner sleeve
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CN201810360370.4A
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CN108342206A (en
Inventor
陈秀林
陈皓瑞
周斌
代扬州
熊智
陆军
廖勇
刘林
毛祥远
张茂志
陈建青
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RUIAN FIRST VALVE FACTORY
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RUIAN FIRST VALVE FACTORY
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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B39/00Cooling or quenching coke
    • C10B39/02Dry cooling outside the oven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00Cleaning by flushing or washing, e.g. with chemical solvents
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The utility model relates to a sectional water-cooling sleeve, which comprises a cone bucket, wherein a first triple water-cooling sleeve and a second triple water-cooling sleeve are arranged above the cone bucket; the first triple water-cooling sleeve and the second triple water-cooling sleeve respectively comprise an inner sleeve assembly and an outer sleeve. The technical scheme of the utility model thoroughly solves the defects of huge size, difficult disassembly, unsafe disassembly, large maintenance workload, inconvenient cleaning after hardening of internal dust and the like of the traditional water-cooling sleeve, improves the equipment operation rate, reduces the use cost, shortens the large piece by half length after segmentation, shortens the maintenance disassembly time and can replace a section of parts after damage, thereby saving the maintenance cost. After the coke powder cooling device is blocked or damaged, the overhaul gate valve is closed, so that the coke powder cooling device can be overhauled and replaced on line, a coke dry quenching system is not required to stop, the continuous operation of the coke dry quenching system is guaranteed, an maintainer cannot contact high-temperature coke powder, and potential safety hazards in an overhaul process can be eliminated.

Description

Sectional type water-cooling sleeve
Technical Field
The utility model relates to the field of recovery of high-temperature mineral powder of a dry quenching coke powder recovery device and a sintering machine dust remover in the metallurgical field, and particularly relates to an ash heat exchange cooling device.
Background
In the dry quenching coke powder recovery and sintering machine dust remover system, the high-temperature coke powder needs to be cooled during recovery, and the dry quenching water-cooled sleeve cooler is a special device for cooling the high-temperature coke powder. The existing dry quenching water-cooled sleeve cooler mainly comprises a cooler body, a single fork with the top for collecting dry quenching powder, an inner sleeve and an outer sleeve which are positioned in the cooler body, a water inlet and drainage system and an ash discharge grid valve positioned at the bottom of the cooler body; cooling water is continuously injected into the sleeve by the water inlet and drainage system, high-temperature water is discharged, and heat exchange is carried out between the cooling water and the high-temperature coke powder to achieve the aim of cooling. The prior dry quenching water-cooled sleeve, such as CN201439515U, CN202157052U, CN202226811U, CN 205115372U, CN205156633U, CN205398545U, adopts an outer sleeve and an inner sleeve which are welded together through an upper blind plate and a lower blind plate, the inner wall of the outer sleeve and the outer wall of the inner sleeve form a jacket, the outer sleeve and the inner sleeve are communicated with cooling water, the jacket is a high-temperature coke powder cooling and discharging channel, and impurities such as sludge are easy to accumulate at the bottom in the water-cooled sleeve due to long-term circulating water, so that the impurities cannot be cleaned on line. Whether the water-cooling sleeve runs normally and well determines whether the high-temperature coke powder in the primary dust remover can be discharged smoothly and safely; because the water-cooling sleeve is flushed by high-temperature coke powder for a long time, the outer sleeve metal is easy to desoldering, the welding part is desoldered by high-temperature corrosion, so that the water-cooling sleeve is internally leaked, a coke powder channel in the water-cooling sleeve is blocked after leaked circulating cooling water is mixed with the coke powder, the water-cooling sleeve can be replaced after the coke powder is cooled after the coke dry quenching equipment is stopped, the continuous operation of a coke dry quenching system is also influenced, the whole three-layer sleeve is required to be replaced after the inside of the water-cooling sleeve is leaked, the maintenance cost is higher, and the disassembly and the installation are difficult because the volume and the weight of the water-cooling sleeve with the three-layer structure are larger; meanwhile, the on-line disassembly is dangerous under the conditions of high temperature and internal adopted circulating inert gas; the water cooling sleeve is generally arranged at the bottom and is discharged by adopting a rotary grid valve, the grid valve is generally used in a negative pressure state, the air leakage is relatively large, when the air enters the closed container, secondary combustion of coke powder is easily caused, creep deformation is caused by the coke powder, in addition, the coke powder is easily caused in the water cooling sleeve, coke powder hardening is also required to be disassembled and cleaned, and the water cooling sleeve is very narrow in position space in the steel structure frame and is very inconvenient to install and disassemble, the water cooling sleeve is generally disassembled once and requires 12 hours, meanwhile, under the conditions of high temperature and narrow operation space, the ultra-large articles are easily damaged in the upper part, and in addition, the water cooling sleeve is generally easy to be integrally replaced in the use process, so that the use cost is high.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the sectional water-cooling sleeve which thoroughly solves the defects of difficult disassembly, unsafe online disassembly, large maintenance workload, inconvenient cleaning after hardening of internal dust and the like in the prior art, improves the equipment operation rate, reduces the use cost, shortens the length of a large part by half after segmentation, shortens the maintenance disassembly time and can replace a section of part after damage so as to save the maintenance cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the sectional water-cooling sleeve comprises a cone bucket, wherein a first triple water-cooling sleeve and a second triple water-cooling sleeve are arranged above the cone bucket; the first triple water-cooling sleeve and the second triple water-cooling sleeve comprise an inner sleeve assembly and an outer sleeve; the inner sleeve assembly comprises an inner tube, an inner sleeve inner tube and an inner sleeve outer tube; the upper end and the lower end of the inner tube are respectively sealed by an inner cavity upper blind plate and an inner cavity lower blind plate, and the middle of the inner tube is divided into a left water cavity and a right water cavity by a partition plate; the left water cavity is provided with an inner sleeve left water pipe which passes through the inner sleeve pipe and the outer sleeve pipe to be connected with an external water pipe; the right water cavity is provided with an inner sleeve right water pipe which passes through the inner sleeve pipe and the outer sleeve pipe to be connected with an external water pipe; the inner sleeve inner pipe and the inner sleeve outer pipe form an inner sleeve outer water cavity through an upper flange and a lower flange respectively; the inner sleeve inner tube and the inner tube form an upper coke powder channel; an inner sleeve outlet and an inner sleeve outer water inlet are arranged on the inner sleeve outer pipe; the outer sleeve is formed by sealing an outer sleeve inner pipe and an outer sleeve outer pipe up and down through an outer sleeve upper flange and an outer sleeve lower flange to form an outer sleeve inner water cavity; the outer sleeve pipe is provided with a first outer sleeve connecting pipe, a second outer sleeve connecting pipe and an upper outer sleeve connecting pipe; the water inlet of the second outer sleeve connecting pipe on the second triple water-cooling sleeve passes through the inner sleeve inner water cavity, passes through the upper outer sleeve connecting pipe, passes through the third connecting pipe, and enters the inner sleeve outer water cavity, passes through the outer sleeve outer water outlet, passes through the second outer connecting pipe and the first outer sleeve connecting pipe, and enters the outer sleeve inner water cavity, passes through the upper outer sleeve connecting pipe and the third connecting pipe, passes through the inner sleeve outer water inlet, and is discharged through the inner sleeve outer water outlet.
The utility model further provides that: the inner sleeve assembly is provided with an inner sleeve drain outlet.
The utility model further provides that: the inner sleeve left water pipe on the first triple water-cooling sleeve is connected with the inner sleeve left water pipe on the second triple water-cooling sleeve through an outer connecting pipe, the inner sleeve outer water inlet on the first triple water-cooling sleeve is connected with the outer sleeve upper connecting pipe through a third connecting pipe, and the outer sleeve connecting pipe II on the first triple water-cooling sleeve is connected with the inner sleeve outer water outlet on the second triple water-cooling sleeve through a second outer connecting pipe.
The beneficial effects are that: the utility model has the advantages that the operation space required by disassembly is reduced, the disassembly is convenient, and the upper part of the water-cooling sleeve is in contact with high-temperature coke powder, so that the upper water-cooling sleeve is easy to damage, and only the upper water-cooling sleeve is required to be replaced during maintenance and replacement, thereby greatly reducing the maintenance cost.
Drawings
FIG. 1 is a schematic diagram of the outline structure of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a cross-sectional view B-B of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic view of the inner sleeve assembly of the present utility model;
FIG. 5 is a schematic view of a lower casing structure of the present utility model;
FIG. 6 is a schematic view of a conventional water-cooled jacket;
reference numerals in the drawings: 1. the first triple water-cooling sleeve, 2, the second triple water-cooling sleeve, 3, cone, 4, inner sleeve assembly, 5, outer sleeve, 6, outer connecting pipe, 7, coke powder channel, 8, blind flange one, 9, outer connecting pipe two, 10, connecting pipe three, 11, blind flange three, 12, blind flange four, 401, inner sleeve drain, 402, inner sleeve outer exhaust pipe, 403, inner sleeve inner exhaust pipe, 404, inner sleeve outer drain, 405, inner sleeve left water pipe, 406, inner sleeve outer water pipe, 407, upper coke powder channel, 408, inner pipe, 409, baffle, 410, left water pipe, 411, inner sleeve lower blind plate, 412, right water pipe, 413, lower flange, 414, inner sleeve inner pipe, 415, inner sleeve outer water inlet, 416, inner sleeve right water pipe, 417, inner sleeve outer pipe, 418, upper flange, 419, protective layer, 420, inner sleeve upper blind plate, 501, outer sleeve connecting pipe one, 502, outer sleeve two, 503, outer sleeve exhaust pipe, 504, outer sleeve upper flange, 505, outer sleeve upper, 506, inner sleeve, 507, outer sleeve, 508, inner sleeve, 509, lower flange.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings and examples.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Referring to fig. 1-5, the sectional triple water-cooling sleeve disclosed by the utility model comprises a cone bucket 3, wherein a first triple water-cooling sleeve 1 and a second triple water-cooling sleeve 2 are arranged above the cone bucket 3; the first triple water-cooling sleeve 1 and the second triple water-cooling sleeve 2 comprise an inner sleeve assembly 4 and an outer sleeve 5; the inner sleeve assembly 4 comprises an inner tube 408, an inner sleeve tube 414 and an inner sleeve outer tube 417; the inner tube 408 is sealed up and down by an inner cavity upper blind plate 420 and an inner cavity lower blind plate 411, and the middle is divided into a left water cavity 410 and a right water cavity 412 by a partition 409; the left water cavity 410 is provided with an inner sleeve left water pipe 405 which passes through an inner sleeve inner pipe 414 and an inner sleeve outer pipe 417 to be connected with an external water pipe; the right water cavity 412 is provided with an inner sleeve right water pipe 416 which passes through the inner sleeve pipe 414 and the outer sleeve pipe 417 to be connected with an external water pipe; the inner sleeve inner tube 414 and the inner sleeve outer tube 417 form an inner sleeve outer water cavity 406 through an upper flange 418 and a lower flange 413; the inner sleeve inner tube 414 and the inner tube 408 form an upper coke powder channel 407; the inner sleeve outer pipe 417 is provided with an inner sleeve outlet 404 and an inner sleeve outer water inlet 415; the outer sleeve 5 is formed by an outer sleeve inner pipe 506 and an outer sleeve outer pipe 507 which are sealed up and down through an outer sleeve upper flange 504 and an outer sleeve lower flange 509 to form an outer sleeve inner water cavity 508; the outer sleeve 507 is provided with a first sleeve connecting pipe 501, a second sleeve connecting pipe 502 and an upper sleeve connecting pipe 505. The water-cooling sleeve is divided into two sections on the basis of not changing the connection size, so that the space position required by disassembly is reduced, the disassembly and lifting problem is facilitated, and the general water-cooling sleeve is damaged at the upper part, so that only the first triple water-cooling sleeve 1 is required to be replaced, the whole replacement is not required, and the maintenance cost is saved.
Referring to fig. 2-4, this embodiment further provides: the inner sleeve assembly 4 is provided with an inner sleeve drain outlet 401, the inner sleeve drain outlet 401 is provided with a blind flange IV 12, and sludge deposited in the inner pipe 408 is discharged by back flushing after the blind flange IV 12 is disassembled, so that the fluidity and heat exchange effect of cooling water in the inner pipe 408 are improved, the service life is prolonged, and the water consumption is saved.
Referring to fig. 1-4, this embodiment further provides: the inner sleeve left water pipe 405 on the first triple water-cooling sleeve 1 is connected with the inner sleeve left water pipe 405 on the second triple water-cooling sleeve 2 through an outer connecting pipe 6, the inner sleeve outer water inlet 415 on the first triple water-cooling sleeve 1 is connected with an outer sleeve upper connecting pipe 505 through a connecting pipe III 10, the outer sleeve connecting pipe II 502 on the first triple water-cooling sleeve 1 is connected with the inner sleeve outer water outlet 404 on the second triple water-cooling sleeve 2 through an outer connecting pipe II 9, the inner sleeve left water pipe 405 on the second triple water-cooling sleeve 2 is connected with the inner sleeve outer water outlet 404 on the first triple water-cooling sleeve 2 through an outer connecting pipe II 9, the left water cavity 410 in the second triple water-cooling sleeve 2 is discharged from the inner sleeve right water pipe 416 through the outer connecting pipe 6 to the inner sleeve right water cavity 412 through the outer connecting pipe 410, the outer sleeve right water inlet 412 is discharged from the inner sleeve left water pipe 405 through the left water cavity 410, the outer connecting pipe II 502 on the second triple water-cooling sleeve 2 is discharged through the outer connecting pipe III 10, the outer sleeve inner sleeve outer water inlet 508 is discharged through the outer connecting pipe III 10 through the outer sleeve inner sleeve connecting pipe III 10, the outer water inlet 502 on the first triple water-cooling sleeve 1 is discharged through the outer connecting pipe III 10, the outer sleeve flange 11 is discharged through the outer sleeve flange 11 on the outer sleeve flange 8 is discharged through the outer sleeve III water inlet 508 through the outer connecting pipe III, the outer connecting pipe III 1, the sludge in the outer sleeve inner water cavity 508 and the inner sleeve outer water cavity 406 deposited on the second triple water-cooling sleeve 2 is discharged by back flushing after the blind flange III 11 is disassembled, so that the fluidity and the heat exchange effect of cooling water in the outer sleeve inner water cavity 508 and the inner sleeve outer water cavity 406 are improved.

Claims (3)

1. The utility model provides a sectional type water-cooling sleeve pipe, includes awl fill (3), its characterized in that: a first triple water-cooling sleeve (1) and a second triple water-cooling sleeve (2) are arranged above the cone hopper (3); the first triple water-cooling sleeve (1) and the second triple water-cooling sleeve (2) comprise an inner sleeve assembly (4) and an outer sleeve (5); the inner sleeve assembly (4) comprises an inner tube (408), an inner sleeve inner tube (414) and an inner sleeve outer tube (417); the upper end and the lower end of the inner tube (408) are respectively sealed by an inner cavity upper blind plate (420) and an inner cavity lower blind plate (411), and the middle of the inner tube (408) is divided into a left water cavity (410) and a right water cavity (412) by a partition plate (409); the left water cavity (410) is provided with an inner sleeve left water pipe (405), and the inner sleeve left water pipe (405) passes through an inner sleeve inner pipe (414) and an inner sleeve outer pipe (417) to be connected with an external water pipe; the right water cavity (412) is provided with an inner sleeve right water pipe (416), and the inner sleeve right water pipe (416) passes through the inner sleeve pipe (414) and the outer sleeve pipe (417) to be connected with an external water pipe; the inner sleeve inner pipe (414) and the inner sleeve outer pipe (417) respectively form an inner sleeve outer water cavity (406) through an upper flange (418) and a lower flange (413); the inner sleeve inner tube (414) and the inner tube (408) form an upper coke powder channel (407); an inner sleeve outlet (404) and an inner sleeve outlet (415) are arranged on the inner sleeve outer pipe (417); the outer sleeve (5) is formed by sealing an outer sleeve inner pipe (506) and an outer sleeve outer pipe (507) up and down through an outer sleeve upper flange (504) and an outer sleeve lower flange (509) to form an outer sleeve inner water cavity (508); the outer sleeve pipe (507) is provided with a first outer sleeve connecting pipe (501), a second outer sleeve connecting pipe (502) and an upper outer sleeve connecting pipe (505); the water inlet of the outer sleeve connecting pipe II (502) on the second triple water-cooling sleeve (2) enters the inner sleeve outer water cavity (406) through the outer sleeve outer water outlet (404) through the outer sleeve outer water outlet (9) and the outer sleeve connecting pipe I (501) through the outer sleeve inner water cavity (508) on the second triple water-cooling sleeve (2) through the outer sleeve inner water cavity (508) through the outer sleeve outer water inlet (415) and the inner sleeve outer water cavity (406) through the inner sleeve outer water outlet (404) through the outer sleeve outer connecting pipe (505) and the connecting pipe III (10) and is discharged.
2. The segmented water-cooled sleeve of claim 1, wherein: the inner sleeve assembly (4) is provided with an inner sleeve drain outlet (401).
3. The segmented water-cooled sleeve of claim 2, wherein: the inner sleeve left water pipe (405) on the first triple water-cooling sleeve (1) is connected with the inner sleeve left water pipe (405) on the second triple water-cooling sleeve (2) through an outer connecting pipe (6), an inner sleeve outer water inlet (415) on the first triple water-cooling sleeve (1) is connected with an outer sleeve upper connecting pipe (505) through a connecting pipe III (10), and an outer sleeve connecting pipe II (502) on the first triple water-cooling sleeve (1) is connected with an inner sleeve outlet (404) on the second triple water-cooling sleeve (2) through an outer connecting pipe II (9).
CN201810360370.4A 2018-04-20 2018-04-20 Sectional type water-cooling sleeve Active CN108342206B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810360370.4A CN108342206B (en) 2018-04-20 2018-04-20 Sectional type water-cooling sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810360370.4A CN108342206B (en) 2018-04-20 2018-04-20 Sectional type water-cooling sleeve

Publications (2)

Publication Number Publication Date
CN108342206A CN108342206A (en) 2018-07-31
CN108342206B true CN108342206B (en) 2024-01-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8431470D0 (en) * 1984-05-18 1985-01-23 Lucas B R Heat exchanger
CN201420065Y (en) * 2009-06-02 2010-03-10 中冶焦耐(大连)工程技术有限公司 Dry quenching coke port inspection device
CN101698803A (en) * 2009-11-06 2010-04-28 攀钢集团攀枝花钢钒有限公司 Coke breeze cooling device for no-leakage dry-quenching primary duster
CN207006942U (en) * 2017-06-08 2018-02-13 常州江南冶金科技有限公司 Coke breeze heat-exchange system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9751042B2 (en) * 2014-07-18 2017-09-05 New Jersey Institute Of Technology Systems and methods for CO2 removal from flue gas by temperature swing absorption

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8431470D0 (en) * 1984-05-18 1985-01-23 Lucas B R Heat exchanger
CN201420065Y (en) * 2009-06-02 2010-03-10 中冶焦耐(大连)工程技术有限公司 Dry quenching coke port inspection device
CN101698803A (en) * 2009-11-06 2010-04-28 攀钢集团攀枝花钢钒有限公司 Coke breeze cooling device for no-leakage dry-quenching primary duster
CN207006942U (en) * 2017-06-08 2018-02-13 常州江南冶金科技有限公司 Coke breeze heat-exchange system

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