CN206279222U - A kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace - Google Patents
A kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace Download PDFInfo
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- CN206279222U CN206279222U CN201621379322.2U CN201621379322U CN206279222U CN 206279222 U CN206279222 U CN 206279222U CN 201621379322 U CN201621379322 U CN 201621379322U CN 206279222 U CN206279222 U CN 206279222U
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- steam
- stove
- steel slag
- coming out
- cracking furnace
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- 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
Abstract
The utility model is related to a kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace, with more than one steel slag cracking furnace, the steel slag cracking furnace has body of heater, the top of body of heater is equipped with bell, bottom is equipped with drawing mechanism, body of heater ecto-entad is followed successively by furnace shell, thermal insulation layer, working lining, and furnace interior is followed successively by steam bath cold belt, spraying quickly cooling band, the stewing cracking band of heat, the external steam insulation dust arrester of coming out of the stove of steam fairlead is housed in furnace interior steam bath cold belt working lining upper end from top to bottom；Steam insulation dust arrester of coming out of the stove has deduster body, deduster body is provided with air inlet and gas outlet, steam inlet line is connected with air inlet to be connected with steam fairlead, steam outlet pipe is connected with gas outlet to be connected with steam heat recovery system, in deduster lower end equipped with lock gas unloading valve, heat-insulation layer is housed on outer case of dust remover；The utility model simple structure, is incubated good dedusting effect, is that steam thermal energy recovery system creates good condition.
Description
Technical field
The utility model is related to slag comprehensive utilization field, the steam insulation dedusting dress of coming out of the stove of especially a kind of steel slag cracking furnace
Put.
Background technology
The stewing cracking technology of cracking oven process hot steel slag heat be temperature be up to more than 1000 DEG C hot steel slag low-carbon (LC), environmental protection,
The efficient state-of-the-art technology that utilizes, its technological principle is during hot steel slag poured into steel slag cracking furnace, vehement in steel slag cracking furnace
The processes such as the successively experience steam bath from top to bottom of hot slag is cold, misting cooling, heat stewing cracking, waste heat recovery.
In steam bath cold belt, newly pour into the temperature in steel slag cracking furnace and be up to more than 1000 DEG C of hot steel slag and come from
The low-temperature saturated steam bath of misting cooling band is cold, and slag temperature is rapidly reduced to less than 800 DEG C, including slag by more than 1000 DEG C
Tentatively crushed in the presence of outer thermal (temperature difference) stress；In water-spraying control band, the middle temperature to temperature below 800 DEG C from top to down
Slag surface atomizing is sprayed water, and slag temperature is further reduced, and at the same time the f-CaO in slag and f-MgO occurs violent
Hydration reaction generates Ca (OH)2With Mg (OH)2Volumetric expansion is produced, swelling stress makes slag further be crushed；Boiled in a covered pot over a slow fire in heat and split
Ungird, the water that slag is injected into continues cool to less than 80 DEG C, and f-CaO therein and f-MgO continues hydration swelling and makes slag
Cracked completely.
During hot steel slag experiences the stewing cracking band of steam bath cold belt, misting cooling band, heat from top to bottom, penetrating
Water is heated vaporization, and steam through the stewing cracking band of overheat, misting cooling band and steam bath cold belt, is finally arranged by furnace roof from bottom to top
Go out, and be imported into low-temp low-pressure saturated vapor heat reclaiming system, so as to realize the recycling of hot steel slag sensible heat.
In above process, the steam from the discharge of steel slag cracking furnace top is superheated steam, and contains a certain amount of slag
Dust, therefore, before steam thermal energy recovery system, especially low-temp low-pressure saturated vapor turbine power generation system is entered, it is necessary to
Remove crude particle dust therein, be beneficial to the normal operation of turbine power generation unit, and to ensure vapor (steam) temperature do not have compared with
Significantly decline.
The content of the invention
The purpose of this utility model is a certain amount of aiming at containing in the superheated steam discharged from hot steel slag pyrolysis oven
Steel cinder dust, it is impossible to be directly entered the problem of steam thermal energy recovery system, there is provided a kind of steel slag cracking furnace come out of the stove steam guarantor
Warm dust arrester.
The technical solution of the utility model is：The steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace, with one
Above steel slag cracking furnace, the top that the steel slag cracking furnace has body of heater, body of heater is equipped with bell, and bottom is equipped with drawing mechanism, stove
Body ecto-entad is followed successively by furnace shell, thermal insulation layer, working lining.Particularly：It is cold that the furnace interior is followed successively by steam bath from top to bottom
Band, spraying quickly cooling band, the stewing cracking band of heat, body of heater is stretched out in furnace interior steam bath cold belt working lining upper end equipped with steam fairlead
Outside is simultaneously equipped with valve, the external steam insulation dust arrester of coming out of the stove of steam fairlead；The steam insulation dust arrester tool of coming out of the stove
There is deduster body, deduster body is provided with air inlet and gas outlet, steam inlet line is connected with air inlet and is split with slag
The steam fairlead for solving stove is connected, and steam outlet pipe is connected with gas outlet and is connected with steam heat recovery system, is removing
Dirt device lower end adds heat-insulation layer equipped with lock gas unloading valve on outer case of dust remover.
Steam bath cold belt described in the utility model, spraying quickly cooling band, the working lining corresponding to the stewing cracking band of heat respectively by
Upper and lower two joist circles are separated, and the cross spandrel girder of upper and lower two-layer is separately installed with upper and lower two joist circles, upper and lower
The cross spandrel girder inside of two-layer is hollow connectivity structure, and uniformly 8~24 are provided with the bottom surface of cross spandrel girder
Atomizer, the upper and lower cross spandrel girder of two-layer is connected with water circulation system respectively each via 1~4 termination.
The number of steel slag cracking furnace described in the utility model is two, two steam fairleads of coming out of the stove of steel slag cracking furnace
Passed through after being converged by three-way connection and entered inside deduster by steam inlet line.
Deduster described in the utility model is gravitational precipitator or cyclone dust collectors.
It is gravity unloading valve or star-shaped dust-discharging valve that gas unloading valve is locked described in the utility model.
Heat-insulation layer described in the utility model is by any one in glass fibre or ceramic fibre or light-weight insulating brick
It is made.
The course of work of the present utility model is：Superheated steam from steel slag cracking furnace draws via the steam of steel slag cracking furnace
Outlet pipe is introduced into the steam inlet line of steam insulation dust arrester of coming out of the stove, from air inlet enter deduster body, gravity or from
Realize that solid and gas is separated in the presence of mental and physical efforts, solid-like dust is discharged through locking gas unloading valve, and the steam after purification then goes out from deduster
Gas port is discharged, and steam heat recovery system is entered through steam outlet pipe.In above process, due to being installed additional on shell of dust remover
There is heat-insulation layer, vapor (steam) temperature in deduster is remained at more than 300 DEG C, in the pipeline of shell of dust remover and turnover deduster
Will not be by dust adhesion, blocking, it is ensured that the steam insulation dust arrester of coming out of the stove of steel slag cracking furnace can run steadily in the long term,
For steam thermal energy recovery system creates good condition.
The utility model simple structure, is incubated good dedusting effect, and can run steadily in the long term, is steel slag cracking furnace
Steam preheating recovery system creates good condition.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model（A steel slag cracking furnace is omitted in figure）.
In figure, 1-body of heater, 2-bell, 3-drawing mechanism, 4-furnace shell, 5-thermal insulation layer, 6-working lining, 7-steam
Bath cold belt, 8-spraying quickly cooling band, the stewing cracking band of 9-heat, 10-steam fairlead, 11-valve, 12-deduster, 13-steam
Vapour introduces pipe, 14-steam outlet pipe, 15-lock gas unloading valve, 16-heat-insulation layer, 17-above drag Liang Quan, 18-under drag Liang Quan,
19-upper strata cross spandrel girder, 20-lower floor cross spandrel girder, 21-atomizer, 22-three-way connection.
Specific embodiment
Embodiment 1
Referring to Fig. 1, the technical solution of the utility model is：A kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace,
With more than one steel slag cracking furnace, the top that the steel slag cracking furnace has body of heater 1, body of heater 1 is equipped with bell 2, and bottom is equipped with
Drawing mechanism 3, the ecto-entad of body of heater 1 is followed successively by furnace shell 4, thermal insulation layer 5, working lining 6.Particularly：Inside the body of heater 1 from upper and
Under be followed successively by the stewing cracking band 9 of steam bath cold belt 7, spraying quickly cooling band 8, heat, in the inner vapor of body of heater 1 bath cold belt 7 working lining upper end
The outside of body of heater 1 is stretched out equipped with steam fairlead 10 and equipped with valve 11, the external steam insulation dedusting dress of coming out of the stove of steam fairlead 10
Put；The steam insulation dust arrester of coming out of the stove has the body of deduster 12, and the body of deduster 12 is provided with air inlet and gas outlet,
Steam inlet line 13 is connected with air inlet to be connected with the steam fairlead 10 of steel slag cracking furnace, and steam is connected with gas outlet
Outlet 14 is connected with steam heat recovery system, in the lower end of deduster 12 equipped with lock gas unloading valve 15, the shell of deduster 12
On add heat-insulation layer 16.
Steam bath cold belt described in the present embodiment 7, spraying quickly cooling band 8, heat be stewing crack with the working lining corresponding to 9 respectively by
Upper and lower two joist circles 17 and 18 are separated, and it is cross to be separately installed with upper and lower two-layer on upper and lower two joist circles 17 and 18
Spandrel girder 19 and 20, the upper and lower cross inside of spandrel girder 21 and 22 of two-layer is hollow connectivity structure, in cross spandrel girder
8~24 atomizers 21 uniformly are installed on bottom surface（16 are specially in the present embodiment）, the upper and lower cross spandrel girder of two-layer
Each via 1~4 termination（4 are specially in the present embodiment）It is connected with water circulation system respectively.
The number of steel slag cracking furnace described in the present embodiment is two, two steam fairleads 10 of coming out of the stove of steel slag cracking furnace
Passed through after being converged by three-way connection 22 and entered inside deduster 12 by steam inlet line 13.
Deduster 12 described in the present embodiment is gravitational precipitator or cyclone dust collectors, specially cyclone dust collectors.
It is gravity unloading valve or star-shaped dust-discharging valve that gas unloading valve 15 is locked described in the present embodiment, specifically unloads ash using gravity
Valve.
Heat-insulation layer 16 described in the present embodiment is by any one in glass fibre or ceramic fibre or light-weight insulating brick
It is made, specifically using glass fibre.
Claims (6)
1. the steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace, with more than one steel slag cracking furnace, the slag splits
Solution stove has a body of heater, and the top of body of heater is equipped with bell, and bottom is equipped with drawing mechanism, and body of heater ecto-entad is followed successively by furnace shell, heat-insulated
Layer, working lining, it is characterised in that：The furnace interior is followed successively by steam bath cold belt, spraying quickly cooling band, the stewing cracking of heat from top to bottom
Band, stretches out outside body of heater and equipped with valve in furnace interior steam bath cold belt working lining upper end equipped with steam fairlead, and steam draws
The external steam insulation dust arrester of coming out of the stove of outlet pipe；The steam insulation dust arrester of coming out of the stove has deduster body, deduster sheet
Body is provided with air inlet and gas outlet, steam inlet line is connected with air inlet and is connected with the steam fairlead of steel slag cracking furnace
Connect, steam outlet pipe is connected with gas outlet and is connected with steam heat recovery system, ash is unloaded equipped with lock gas in deduster lower end
Valve, adds heat-insulation layer on outer case of dust remover.
2. the steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：It is described
Working lining corresponding to the stewing cracking band of steam bath cold belt, spraying quickly cooling band, heat is separated by upper and lower two joist circles respectively, upper,
The cross spandrel girder of upper and lower two-layer is separately installed with lower two joist circles, the upper and lower cross spandrel girder inside of two-layer is hollow
Connectivity structure, 8~24 atomizers uniformly are installed on the bottom surface of cross spandrel girder, upper and lower two-layer is cross to hold
Weight beam is connected with water circulation system respectively each via 1~4 termination.
3. the steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：It is described
The number of steel slag cracking furnace is two, and the steam fairlead of coming out of the stove of two steel slag cracking furnaces is passed through by steaming after being converged by three-way connection
Vapour introduces pipe and enters inside deduster.
4. the steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：It is described
Deduster is gravitational precipitator or cyclone dust collectors.
5. the steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：It is described
Lock gas unloading valve is gravity unloading valve or star-shaped dust-discharging valve.
6. the steam insulation dust arrester of coming out of the stove of a kind of steel slag cracking furnace according to claim 1, it is characterised in that：It is described
Heat-insulation layer is made up of any one in glass fibre or ceramic fibre or light-weight insulating brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379322.2U CN206279222U (en) | 2016-12-15 | 2016-12-15 | A kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379322.2U CN206279222U (en) | 2016-12-15 | 2016-12-15 | A kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206279222U true CN206279222U (en) | 2017-06-27 |
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ID=59073363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621379322.2U Active CN206279222U (en) | 2016-12-15 | 2016-12-15 | A kind of steam insulation dust arrester of coming out of the stove of steel slag cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206279222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617299A (en) * | 2017-10-31 | 2018-01-23 | 湖北力帝机床股份有限公司 | Disintegrating machine fire prevention dust pelletizing system |
-
2016
- 2016-12-15 CN CN201621379322.2U patent/CN206279222U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617299A (en) * | 2017-10-31 | 2018-01-23 | 湖北力帝机床股份有限公司 | Disintegrating machine fire prevention dust pelletizing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180929 Address after: 512000 Guangdong Shaoguan Qujiang Shengda metallurgical slag Environmental Protection Technology Development Co., Ltd. Patentee after: SHAOGUAN QUJIANG SHENGDA METALLURGICAL SLAG ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 435000 Ma Ling Shan mining area, Yin Zu Town, Daye City, Huangshi, Hubei Patentee before: DAYE HUANYU CALCIUM INDUSTRY TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right |