CN211291052U - Protection device for charging steam lock valve of steel slag cracking furnace - Google Patents
Protection device for charging steam lock valve of steel slag cracking furnace Download PDFInfo
- Publication number
- CN211291052U CN211291052U CN201921925170.5U CN201921925170U CN211291052U CN 211291052 U CN211291052 U CN 211291052U CN 201921925170 U CN201921925170 U CN 201921925170U CN 211291052 U CN211291052 U CN 211291052U
- Authority
- CN
- China
- Prior art keywords
- steam
- charging
- valve
- pipe
- cracking furnace
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model belongs to the technical field of slag resource comprehensive utilization, concretely relates to protection device of slag cracking furnace charging lock steam valve: the automatic feeding device comprises a driving device, a movable sleeve and an extension pipe, wherein the movable sleeve is connected with the driving device, and the inner diameter of the movable sleeve is larger than the outer diameter of a feeding pipe; an extension pipe is arranged above the steam locking valve, a dust suction port is formed in the side wall of the extension pipe and is connected with a dust collector through the dust suction pipe, when charging is carried out, the driving device drives the movable sleeve to move downwards and extend into the lower portion of the steam locking valve, the movable sleeve is used for blocking the inlet and the outlet of the valve plate, meanwhile, the dust collector is used for absorbing dust, and the dust is prevented from entering the inside of the valve body and being accumulated on the sealing surface of the valve plate. The utility model discloses can effectively protect the lock steam valve, make the slag liquid drop can not splash and make it be difficult to the switch on the lock steam valve, also can not have the dust gathering inside the valve body and on the valve plate sealing face and reduce its sealing performance.
Description
Technical Field
The utility model belongs to the technical field of slag resource comprehensive utilization, a protection device of slag cracking furnace charging steam lock valve is related to.
Background
The steel slag cracking furnace is a brand-new technology for realizing high-efficiency green and negative energy utilization of the red-hot steel slag with the temperature of about 1500 ℃, and is core equipment for realizing high-efficiency hot-stewing cracking and waste heat recovery of the red-hot steel slag, the technical principle is that the red-hot steel slag is poured into the steel slag cracking furnace, the red-hot steel slag sequentially undergoes three processes of steam bath cooling, spray cooling and hot-stewing cracking in the steel slag cracking furnace, the process is a process of gradually cooling, solidifying and crushing cracking from about 1500 ℃ to below 100 ℃, meanwhile, the temperature of steam generated in the steel slag cracking furnace gradually rises from below 100 ℃ to above 200 ℃ in the process of passing through a hot-stewing cracking zone, a spray cooling zone and a steam bath cooling zone, the steel slag cracking furnace which normally works except for a charging and discharging state is operated under positive pressure with the steam pressure of above 0.5MPa, and has high requirements on the sealing performance of the furnace body.
In the utility model 'a combined furnace body of steel slag cracking furnace' of application No. 201920054980.1, "the outer diameter of the blanking pipe of the red-hot steel slag charging hopper is smaller than the inner diameter of the charging lock steam valve feeding pipe by 50-200 mm and extends into the charging lock steam valve feeding pipe by 50-200 mm vertically, there is a gap of 25-100 mm between the blanking pipe of the red-hot steel slag charging hopper and the charging lock steam valve feeding pipe to prevent the charging lock steam valve from being damaged by vibration, this installation mode can only prevent the charging lock steam valve from being damaged by vibration generated during charging, but can not ensure that the charging lock steam valve keeps good sealing performance because steel slag liquid drops splash to the inlet and outlet of the valve plate and solidify to make the valve plate difficult to close in the charging process, meanwhile, a large amount of fine dust flies upward in the charging process, the dust gathers on the sealing surface of the charging lock steam valve to greatly reduce the sealing performance, therefore, steam leakage is caused to pollute the environment, more importantly, the steam pressure in the steel slag cracking furnace is difficult to reach 0.5MPa, and the low steam pressure not only can greatly reduce the thermal stewing, crushing and cracking effect of the steel slag, but also can difficultly recover the sensible heat of the discharged steam.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned shortcoming, the utility model provides a protection device of steel slag cracking furnace lock steam valve of feeding, it can avoid the steel slag cracking furnace to go into the stove in-process steel slag liquid drop and splash to the valve plate and import and export at red-hot steel slag feeding, and can prevent that fine dust from gathering at the sealed face of feeding lock steam valve and keeping it and have good switch and sealing performance, make the steel slag cracking furnace normally work under the rated pressure of lock steam valve of feeding, not only be favorable to realizing the broken schizolysis of the high-efficient heat braising of steel slag, also can ensure out the needs that stove steam pressure satisfies waste heat recovery.
The utility model provides a technical scheme that its technical problem adopted is: a protection device for a charging lock steam valve of a steel slag cracking furnace comprises a charging hopper, a charging hopper discharging pipe, a movable sleeve, a charging lock steam valve inlet extension pipe, a dust suction pipe arranged on the charging lock steam valve inlet extension pipe and a single bag type dust collector arranged beside the charging lock steam valve inlet extension pipe.
Furthermore, a blanking pipe with the length of 800-1500 mm, the outer diameter smaller than the inner diameter of the inlet of the charging lock steam valve by 150-300 mm and the distance from the bottom end to the inlet of the charging lock steam valve by 50-200 mm is connected below the charging hopper.
Furthermore, the movable sleeve is a metal ring pipe which is driven by a hydraulic push rod, a micro winch, a small motor and the like, surrounds the feeding pipe of the charging hopper, has the inner diameter which is 50-100 mm larger than the outer diameter of the feeding pipe of the charging hopper, has the length of 500-1200 mm, and can be lifted up and down.
Furthermore, the inner diameter of the charging lock steam valve inlet extension pipe is the same as that of the charging lock steam valve inlet, the height of the charging lock steam valve inlet extension pipe is 350-650 mm, and the charging lock steam valve inlet extension pipe is connected above the charging lock steam valve through a flange.
Furthermore, a dust suction pipe with the inner diameter of 150-350 mm is arranged on the side edge of the inlet extension pipe of the charging lock steam valve and is connected with a single-machine bag type dust collector arranged beside the dust suction pipe.
The utility model has the advantages that: in the process of tilting red-hot steel slag towards the inside of the steel slag cracking furnace by opening the charging steam lock valve, the steel slag material flow cannot be contacted with any part of the charging steam lock valve all the time, and the generated fine dust is absorbed by a single bag type dust collector, so that the situation that steel slag liquid drops splash to an inlet and an outlet of a valve plate can be avoided, the situation that the fine dust cannot enter the inside of the valve body and gather on a sealing surface of the charging steam lock valve can be ensured all the time, good opening and closing performance and good sealing performance can be kept all the time, the steel slag cracking furnace can normally work under the rated pressure of the charging steam lock valve, the high-efficiency thermal stewing, crushing and cracking of the steel slag can be realized, and the steam pressure of discharging.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a protection device of slag cracking furnace charging lock steam valve, lock steam valve installs in slag cracking furnace inlet pipe top, slag cracking furnace charging hopper includes charging hopper support and charging hopper unloading pipe, the protection device of lock steam valve is including setting up drive arrangement, the cover on the charging hopper support are established the movable sleeve pipe of charging hopper support and installing the lock steam valve feed inlet extension pipe of lock steam valve top, movable sleeve pipe with drive arrangement connects, the movable sleeve pipe internal diameter is greater than the external diameter of charging hopper unloading pipe, lock steam valve feed inlet extension pipe lateral wall has seted up the dust absorption mouth and has been connected with the dust absorption pipe, the dust absorption union coupling has the dust arrester.
By adopting the technical scheme, when the material is poured, the driving device is utilized to drive the movable sleeve to move downwards, the movable sleeve is utilized to block the inlet and the outlet of the valve plate, steel slag liquid drops are prevented from splashing to the inlet and the outlet of the steam locking valve plate to cause the valve plate to be difficult to close, and meanwhile, the dust collector is utilized to absorb dust through the dust absorption pipe, so that the dust is prevented from entering the inside of the valve body and being gathered on the sealing surface of the valve plate.
In one embodiment: the inner diameter of the movable sleeve is 50-100 mm larger than the outer diameter of the feeding pipe of the charging hopper.
Through adopting above-mentioned technical scheme, make to have sufficient space between activity sleeve pipe and the unloading pipe, make the activity sleeve pipe remove convenient on the one hand, on the other hand makes the dust can be inhaled the dust collector through annular passage.
In one embodiment: the movable sleeve is a metal ring pipe with the length of 500-1200 mm.
By adopting the technical scheme, the movable sleeve can fully cover the valve plate inlet and outlet of the steam locking valve.
In one embodiment: the inner diameter of the steam lock valve feed inlet extension pipe is the same as that of the steam lock valve, and the steam lock valve feed inlet extension pipe is connected above the steam lock valve through a flange.
Through adopting above-mentioned technical scheme, make and extend and dismantle convenient between pipeline and the lock steam valve to simplify the maintenance or the change operation of lock steam valve.
In one embodiment: the inner diameter of the dust collection pipe is 150-350 mm.
By adopting the technical scheme, the extension pipe is ensured to have enough space to be connected with the dust collection pipe.
In one embodiment: the inner diameter of the dust collection pipe is 150-350 mm.
Through adopting above-mentioned technical scheme, guarantee to have sufficient ventilation area in order to absorb the dust.
In one embodiment: the driving device is a hydraulic push rod.
Through adopting above-mentioned technical scheme, hydraulic push rod simple structure, operation maintenance is convenient.
In one embodiment: the driving device is a micro winch.
Through adopting above-mentioned technical scheme, adopt the hoist engine to have overload protection and the advantage of protecting against shock.
In one embodiment: the driving device is a small-sized motor.
Through adopting above-mentioned technical scheme, the simple structure of motor is maintained conveniently, and use cost is low.
By adopting the technical scheme, the charging steam locking valve of the steel slag cracking furnace can stably operate for a long time under the rated working pressure, and a foundation is laid for recovering waste heat of high-efficiency thermally-stewed cracking red-hot steel slag and discharged steam.
Drawings
Fig. 1 is a view of the present invention from direction a.
Fig. 2 is a B-B sectional view of the present invention.
Fig. 3 is a C-C sectional view of the present invention.
In the figure: 1. a hopper support; 2. a dust collection pipe; 3. a hydraulic push rod; 4. a charging hopper; 5. a feeding pipe of the charging hopper; 6. an active cannula; 7. a steam lock valve feed inlet extension pipe; 8. a charging steam lock valve; 9. a feeding pipe of a steel slag cracking furnace.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
It should be noted that all the directional terms such as "upper" and "lower" mentioned herein are described in the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
Referring to fig. 1-3, the protection device for the charging steam lock valve of the steel slag cracking furnace comprises a charging hopper bracket 1, a dust suction pipe 2, a hydraulic push rod 3, a charging hopper 4, a charging hopper discharging pipe 5, a movable sleeve 6, a steam lock valve feeding port extension pipe 7, a charging steam lock valve 8, a steel slag cracking furnace feeding pipe 9 and a single-machine bag type dust collector (not shown in the figure) arranged beside the charging hopper.
Furthermore, a blanking pipe which is 1400mm long, 200mm smaller in outer diameter than the inner diameter of the inlet of the charging lock steam valve 8 and 100mm far away from the inlet of the charging lock steam valve 8 is connected below the charging hopper 4.
Furthermore, the movable sleeve 6 is a metal ring pipe which is driven by the hydraulic push rod 3, surrounds the charging hopper discharging pipe 5, has an inner diameter larger than the outer diameter of the charging hopper discharging pipe 5 by 80mm, is 800mm in length, and can be lifted up and down.
Furthermore, the inner diameter of the charging lock steam valve inlet extension pipe 7 is the same as the inner diameter of the charging lock steam valve 8 inlet, the height of the charging lock steam valve inlet extension pipe is 400mm, the charging lock steam valve inlet extension pipe is connected above the charging lock steam valve 8 through a flange, and the lower end of the charging lock steam valve 8 is connected with a steel slag cracking furnace feeding pipe 9 through a flange.
Furthermore, a dust suction pipe 2 with the inner diameter of 200mm is arranged on the side edge of the inlet extension pipe 7 of the charging steam lock valve, and the dust suction pipe 2 is connected with a single-machine bag type dust collector arranged beside (not shown in the figure).
The utility model discloses protection feeding lock steam valve 8's efficiency is realized through following mode:
referring to fig. 1-3, a protection device for a charging steam lock valve of a steel slag cracking furnace, before pouring hot steel slag into the steel slag cracking furnace, firstly, a charging steam lock valve 8 is opened, secondly, a hydraulic push rod 3 is started to enable a movable sleeve 6 to descend to a position 200mm below the lower end of the charging steam lock valve 8, and then a single-machine bag type dust collector is started again; the steel slag liquid drops splashed in the process of pouring incandescent steel slag into the furnace are blocked by the movable sleeve 6 and return to the steel slag material flow and enter the furnace, so that the steel slag liquid drops can be prevented from splashing to the inlet and the outlet of the valve plate; flying fine dust is introduced into a single bag type dust collector arranged beside through an annular channel between a movable sleeve 6 and a steam lock inlet extension pipe 7 and a dust collection pipe 2, so that a charging steam lock valve 8 works under negative pressure in the charging process, and the fine dust can be prevented from being accumulated on a sealing surface of the charging steam lock valve 8; after the charging is finished, firstly, the hydraulic push rod 3 is started to enable the movable sleeve 6 to rise to the fixed position at the upper end of the charging steam lock valve 8, secondly, the single-machine bag type dust collector is stopped, and the charging steam lock valve 8 is closed again.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a protection device of slag cracking furnace charging lock steam valve, lock steam valve installs in slag cracking furnace inlet pipe top, slag cracking furnace charging hopper includes charging hopper support and charging hopper unloading pipe, its characterized in that: the protection device of the steam locking valve comprises a driving device arranged on the charging hopper support, a sleeve arranged on the charging hopper support, a movable sleeve arranged on the charging hopper support and an extension pipe of a feeding port of the steam locking valve arranged above the charging hopper support, wherein the movable sleeve is connected with the driving device, the inner diameter of the movable sleeve is larger than the outer diameter of a discharging pipe of the charging hopper, a dust suction port is formed in the side wall of the extension pipe of the feeding port of the steam locking valve and is connected with a dust suction pipe, and the dust suction pipe is connected with a dust collector.
2. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the inner diameter of the movable sleeve is 50-100 mm larger than the outer diameter of the feeding pipe of the charging hopper.
3. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the movable sleeve is a metal ring pipe with the length of 500-1200 mm.
4. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the inner diameter of the steam lock valve feed inlet extension pipe is the same as that of the steam lock valve, and the steam lock valve feed inlet extension pipe is connected above the steam lock valve through a flange.
5. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the length of the feed port extension pipe of the steam locking valve is 350-650 mm.
6. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the inner diameter of the dust collection pipe is 150-350 mm.
7. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the driving device is a hydraulic push rod.
8. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the driving device is a micro winch.
9. The protection device for the charging steam lock valve of the steel slag cracking furnace as claimed in claim 1, wherein: the driving device is a small-sized motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921925170.5U CN211291052U (en) | 2019-11-10 | 2019-11-10 | Protection device for charging steam lock valve of steel slag cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921925170.5U CN211291052U (en) | 2019-11-10 | 2019-11-10 | Protection device for charging steam lock valve of steel slag cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291052U true CN211291052U (en) | 2020-08-18 |
Family
ID=72015073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921925170.5U Active CN211291052U (en) | 2019-11-10 | 2019-11-10 | Protection device for charging steam lock valve of steel slag cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291052U (en) |
-
2019
- 2019-11-10 CN CN201921925170.5U patent/CN211291052U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211291052U (en) | Protection device for charging steam lock valve of steel slag cracking furnace | |
| CN207395489U (en) | A kind of reviver melting furnace slag-discharging device | |
| CN206660776U (en) | Water-cooled cyclone dust collector | |
| CN207057605U (en) | A kind of cast iron steel ladle with gas filtration function | |
| CN210689212U (en) | Quick energy-saving refining furnace | |
| CN109745789A (en) | A kind of ground pit type air filtration and purification apparatus of low circulating resistance | |
| CN201404749Y (en) | High temperature-resistant dust cleaner | |
| CN107321117A (en) | A kind of aluminium scrap processing unit (plant) with dedusting function | |
| CN113817926B (en) | Efficient energy-saving bottom magnesium-discharging smelting device | |
| CN209412249U (en) | High temperature fluent metal liquid reserve tank | |
| CN208936181U (en) | A kind of guiding device | |
| CN201567986U (en) | Dust catching cover of drilling machine | |
| CN218065978U (en) | Annular side suction type movable dust suction connector of intermediate frequency furnace | |
| CN217188518U (en) | Energy-saving environment-friendly spray granulation tower for processing medium ceramic material | |
| CN215628099U (en) | Electric furnace continuous feeding dynamic sealing device | |
| CN216205228U (en) | Casting furnace | |
| CN201569296U (en) | Water-cooling furnace cover | |
| CN213286626U (en) | High-pressure mixing device for oil pipe hot washing and wax cleaning production | |
| CN200988858Y (en) | Reducing reaction tank for preparing metal lithium | |
| CN104338366A (en) | Slag flushing water filter of blast furnace | |
| CN216523171U (en) | Dust removal system for preventing dust raising in micro-carbon ferrochrome workshop | |
| CN219607143U (en) | Flue gas waste heat utilization device | |
| CN216113380U (en) | Soft sealing device for tail gas recovery of silicon carbide smelting furnace | |
| CN212082002U (en) | Aluminum melting furnace with low energy consumption | |
| CN221107168U (en) | Waste water and waste residue separation device for acetylene production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |