CN2742356Y - Full sealed built-in hydraulic double layer and unloading valve - Google Patents

Full sealed built-in hydraulic double layer and unloading valve Download PDF

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Publication number
CN2742356Y
CN2742356Y CN 200420075063 CN200420075063U CN2742356Y CN 2742356 Y CN2742356 Y CN 2742356Y CN 200420075063 CN200420075063 CN 200420075063 CN 200420075063 U CN200420075063 U CN 200420075063U CN 2742356 Y CN2742356 Y CN 2742356Y
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CN
China
Prior art keywords
valve
driving
unloading
unloading valve
double
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Expired - Fee Related
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CN 200420075063
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Chinese (zh)
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刘治政
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刘治政
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Priority to CN 200420075063 priority Critical patent/CN2742356Y/en
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Publication of CN2742356Y publication Critical patent/CN2742356Y/en
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Abstract

The utility model discloses a full sealed built-in hydraulic double layer unloading valve. The utility model comprises a high negative pressure flue-dust retainer (1), an upper unloading valve, a lower unloading valve, a main valve body (8) and a driving mechanism. The main valve body (8) is provided with a secondary sealing box (9), and the driving mechanism is provided inside the secondary sealing box (9). The driving mechanism consists of a driving cylinder (5), a steel rope (4) and an oil pipe (19). The upper unloading valve consists of an upper valve body (6) and an upper valve core (7). The lower unloading valve consists of a lower valve body (11) and a lower valve core (12). The upper ends of the upper valve core and the lower valve core are connected with the steel rope (4), and the other end of the steel rope (4) is connected with the driving mechanism. The advantages of the utility model are that the bell-type valve can be neatly switched and isn't easy to store and clamp the materials, and the possibility of air leakage from the valve port is minimum, and each tache of the driving mechanism is designed inside the secondary sealing box to reduce each air leaking tache of the driving mechanism of the former various valves. The double layer unloading valve can indeed not only guarantee the seal and the high negative pressure of the exhausting system but also guarantee the normal finish of the ash removing operating procedures.

Description

Hermetically sealed built-in hydraulic pressure Double-deck cinder discharge valve
Technical field:
The utility model relates to environment friendly system, metallurgy sintered system dust removing unloads grey equipment and technology; Especially a kind of hermetically sealed built-in hydraulic pressure Double-deck cinder discharge valve.
Background technology:
The unloading valve of existing metallurgy sintered machine depositing dust pipe and each deduster all is located at the ash bucket bottom of high negative pressure, especially is located at the sealing ash-discharging device-Double-deck cinder discharge valve of the sintering machine depositing dust pipe below of most critical; Two valves up and down in the production in the Double-deck cinder discharge valve alternately wheel change jobs, after after a while, repeat said process again, to satisfy the needed high negative pressure that had both guaranteed to seal, guarantee exhausting system of sintering machine ordinary production, guaranteed finishing of normal ash discharge operation procedure again, this is the key link that guarantees the sintering machine ordinary production, sintering machine and the big shapeization of depositing dust pipe thereof are just high more to the requirement of Double-deck cinder discharge valve.This shows that Double-deck cinder discharge valve is sizable to the influence of SINTERING PRODUCTION really: 1. in a single day Double-deck cinder discharge valve is not closed completely, and will produce seriously to leak out, and causes effective sintering air quantity to reduce, and sintering efficient reduces, and output reduces; And the ash discharge difficulty, environmental noise is big; 2. in a single day Double-deck cinder discharge valve big fault occurs or has an accident, and unloads the ash difficulty so that stop up, and will cause the interim left alone without help machine examination of sintering machine to repair, and has upset the normal operation of whole system, loses very big; 3. the drive unit of existing various Double-deck cinder discharge valves all is arranged on the outside of seal box, the through hole sealing that its drive disk assembly puts in valve body just becomes a very big weak link, because inside and outside pressure reduction is big, add the extrusion abrasion of dust, its seal just produces big leaking out than being easier to be worn, and causes and unloads the ash difficulty so that influence is produced; 4. though existing all kinds of Double-deck cinder discharge valves are through repeatedly improvement, because its major part structurally and imperfection, so equipment fault leaking out of causing often seen with damaging to remain thus; Can see that from above analysis the improvement of the structural behaviour of Double-deck cinder discharge valve remains the task of top priority of agglomerating plant work;
The utility model content:
The purpose of this utility model provides the more scientific and reasonable built-in Double-deck cinder discharge valve of novel totally-enclosed of structure that a kind of air leak rate of air curtain is low, reliability is higher.
The technical solution of the utility model is: a kind of hermetically sealed built-in hydraulic pressure Double-deck cinder discharge valve, comprise high negative pressure flue-dust retainer, last unloading valve, following unloading valve, main valve body and driving mechanism, on main valve body, be provided with the secondary seal case, be provided with driving mechanism in the secondary seal case, driving mechanism is formed by driving oil cylinder, steel wire rope and oil pipe; Last unloading valve is made up of upper valve body and upper valve core, and following unloading valve is by valve body and bottom spool are formed down; Upper and lower spool upper end connects with steel wire rope, and the other end of steel wire rope connects with driving mechanism.
Unloading valve is a Weight type self adaptation bell-shaped valve, and it is made up of bell spool and the valve body adaptive with it.
The utility model is intended to design the more scientific and reasonable built-in Double-deck cinder discharge valve of novel totally-enclosed of structure that a kind of air leak rate of air curtain is lower, reliability is higher, this double beat valve has adopted Weight type self adaptation bell-shaped valve for the defective of various valves before eliminating more up hill and dale, makes its switch more flexible, freer; In order to eliminate leaking out in each link of driving mechanism transmission more completely, and with the drive unit design in the secondary seal case; Released complete built-in novel double-layer unloading valve: when sintering machine was produced, two-layer unloading valve alternately wheel changed jobs, and earlier last one had been opened during work and had unloaded the ash effect, and next closes sealing function; Exchange work is closed sealing function by Shang Yitai after several seconds, and next has then opened the ash effect of unloading. after after a while, repeat said process again.
The advantage of the built-in Double-deck cinder discharge valve of novel totally-enclosed: the one, the clock-type threshold switch is difficult for material stock flexibly, gets stuck, and is minimum from the possibility that valve port leaks out; The 2nd, each link of drive transmission device all designs in the secondary seal case (only have the turnover oil pipe to pass through, drive transmission device all separates with the external world), each link that various valves leak out from drive transmission device before having reduced from the hole that sealing ring is housed; Make this Double-deck cinder discharge valve really accomplish can guarantee to seal, guarantee the high negative pressure of exhausting system, can guarantee finishing of normal ash discharge operation procedure again,
Description of drawings
Fig. 1 opens down valve off status structural front view for valve on the utility model
Fig. 2 opens the status architecture front view for valve under the valve pass on the utility model
Fig. 3 is the utility model structure left view
The specific embodiment
This new structure is as Fig. 1, Fig. 2 and shown in Figure 3: comprise high negative pressure flue-dust retainer 1, Hand-operated butterfly valve 2, pulley 3, steel wire rope 4, drive oil cylinder 5, upper valve body 6, upper valve core 7, main valve body 8, secondary seal case 9, secondary seal case mounting flange 10, following valve body 11, bottom spool 12, ash releasing tube 13, clack box upper flange 14, secondary seal case lid 15 is spied on port lid 16, clack box lower flange 17, handwheel 18, power oil pipe 19, fine ore dust 20; Be provided with secondary seal case 9 on main valve body 8, be provided with driving mechanism in secondary seal case 9, driving mechanism is formed by driving oil cylinder 5, steel wire rope 4 and oil pipe 19; Last unloading valve is made up of upper valve body 6 and upper valve core 7, and following unloading valve is by valve body 11 and bottom spool 12 are formed down; Upper and lower spool upper end connects with steel wire rope 4, and the other end of steel wire rope 4 connects with driving mechanism.Unloading valve is a Weight type self adaptation bell-shaped valve, and it is made up of bell spool and the valve body adaptive with it.
The operating principle of the built-in Double-deck cinder discharge valve of novel totally-enclosed is seen accompanying drawing.
1. go up valve and open down the valve pass: upward valve oil cylinder 5 is opened valve core 7 is fallen, and last valve begins to unload ash, and the powder ash falls in the main valve body 8.This valve maintenance at present is motionless, and main valve body 8 keeps high negative pressures and tightly separates with outside atmosphere, keeps the stable operation of exhausting system, only is little lower negative pressure district in the secondary seal case 9 of both sides at this moment;
2. going up valve closes down valve and opens: go up valve oil cylinder 5 and close to make and carry on the valve core 7, will go up valve to close tightly, main valve casing 8 and high negative pressure district, top 1 are tightly separated, put ash for opening of following valve and get ready; After this descend the valve oil cylinder to open valve core 12 is fallen, following valve begins to unload ash, the powder ash falls in the ash releasing tube 13 of bottom.This moment, main valve body 8 communicated with atmosphere, and dust is discharged smoothly, and last valve still keeps closed condition motionless, to keep the stable operation of exhausting system; It is little lower negative pressure district that last valve drives in the residing secondary seal case of oil cylinder (left case); Following valve drives in the residing secondary seal case of oil cylinder (right case) and then becomes atmospheric area;
3. two-layer unloading valve alternately wheel changes jobs, and finishes jointly and unloads grey operation.
Effect of the present utility model, functional characteristics:
1. the utility model is that the structure that a kind of air leak rate of air curtain is lower, reliability is higher is more scientific reasonably novel complete Airtight built-in Double-deck cinder discharge valve, the Weight type self adaptation bell-shaped valve that this double beat valve adopts, switch is more flexible, Freer, minimum from the possibility that valve port leaks out; Avoid rotation gate contraposition difficulty, adjusted difficult, leakage The drawback that the wind rate is high;
2. driving mechanism, each link of transmission are all designed in the secondary seal case, adopted complete built-in new The type Double-deck cinder discharge valve; Only will pass in and out oil pipe and from the hole that sealing ring is housed, pass through, and still keep with extraneous Isolation has been blocked herein and has been leaked out; The drawback that the transmission link of being everlasting when having avoided other valve leaks out;
3. the seal of this Double-deck cinder discharge valve does not directly contact dust granule, so wearing and tearing are slow, the life-span is long, maintenance Cycle is long, and its maintenance can be arranged in the production schedule repair time to be carried out, and does not affect production; Unload and board plug type is two The ash valve has the part dust granule will get into sealing gasket when opening the twitch plate, has accelerated the wearing and tearing of sealing gasket, Produce easily and leak out; Leak out and to cause adverse influence to production when serious;
4. this Double-deck cinder discharge valve has really accomplished can guarantee to seal, guarantee the high negative pressure of exhausting system, again can Guarantee finishing smoothly of normal ash discharge operation procedure; Can guarantee normally carrying out of SINTERING PRODUCTION;
5. adopt this Double-deck cinder discharge valve failure rate is low, the operating rate height; Air leak rate of air curtain is low, output increased and sintering deposit cost Can descend thereupon;
6. this Double-deck cinder discharge valve both can design and installation on newly-built sintering machine, also can reequip on existing sintering machine, manufactured easy for installationly, and effect is remarkable;

Claims (2)

1, a kind of hermetically sealed built-in hydraulic pressure Double-deck cinder discharge valve, comprise high negative pressure flue-dust retainer (1), last unloading valve, following unloading valve, main valve body (8) and driving mechanism, it is characterized in that: on main valve body (8), be provided with secondary seal case (9), be provided with driving mechanism in secondary seal case (9), driving mechanism is formed by driving oil cylinder (5), steel wire rope (4) and oil pipe (19); Last unloading valve is made up of upper valve body (6) and upper valve core (7), and following unloading valve is by valve body (11) and bottom spool (12) are formed down; Upper and lower spool upper end connects with steel wire rope (4), and the other end of steel wire rope (4) connects with driving mechanism.
2, hermetically sealed built-in hydraulic pressure Double-deck cinder discharge valve according to claim 1, it is characterized in that: unloading valve is a Weight type self adaptation bell-shaped valve, and it is made up of bell spool and the valve body adaptive with it.
CN 200420075063 2004-11-05 2004-11-05 Full sealed built-in hydraulic double layer and unloading valve Expired - Fee Related CN2742356Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420075063 CN2742356Y (en) 2004-11-05 2004-11-05 Full sealed built-in hydraulic double layer and unloading valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420075063 CN2742356Y (en) 2004-11-05 2004-11-05 Full sealed built-in hydraulic double layer and unloading valve

Publications (1)

Publication Number Publication Date
CN2742356Y true CN2742356Y (en) 2005-11-23

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Application Number Title Priority Date Filing Date
CN 200420075063 Expired - Fee Related CN2742356Y (en) 2004-11-05 2004-11-05 Full sealed built-in hydraulic double layer and unloading valve

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CN (1) CN2742356Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103063014A (en) * 2012-12-19 2013-04-24 朱瑞辉 Energy-saving and environment-friendly cupola furnace
CN103063011A (en) * 2012-12-19 2013-04-24 朱瑞辉 Energy-saving environment-friendly high-blast-temperature cupola system equipment
CN104555476A (en) * 2013-10-12 2015-04-29 郑州大学 Mobile self-positioning material feeding device with automatic open-close valve
CN104841561A (en) * 2015-06-16 2015-08-19 厦门理工学院 Online ash loosening device of ash bucket
CN108644428A (en) * 2018-05-10 2018-10-12 中冶长天国际工程有限责任公司 A kind of split-phase sealed valve structure and Double-deck cinder discharge valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103063014A (en) * 2012-12-19 2013-04-24 朱瑞辉 Energy-saving and environment-friendly cupola furnace
CN103063011A (en) * 2012-12-19 2013-04-24 朱瑞辉 Energy-saving environment-friendly high-blast-temperature cupola system equipment
CN103063011B (en) * 2012-12-19 2015-05-06 朱瑞辉 Energy-saving environment-friendly high-blast-temperature cupola system equipment
CN103063014B (en) * 2012-12-19 2015-05-06 朱瑞辉 Energy-saving and environment-friendly cupola furnace
CN104555476A (en) * 2013-10-12 2015-04-29 郑州大学 Mobile self-positioning material feeding device with automatic open-close valve
CN104841561A (en) * 2015-06-16 2015-08-19 厦门理工学院 Online ash loosening device of ash bucket
CN108644428A (en) * 2018-05-10 2018-10-12 中冶长天国际工程有限责任公司 A kind of split-phase sealed valve structure and Double-deck cinder discharge valve
CN108644428B (en) * 2018-05-10 2019-10-29 中冶长天国际工程有限责任公司 A kind of split-phase sealed valve structure and Double-deck cinder discharge valve

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20051123

Termination date: 20121105

C17 Cessation of patent right