CN209923370U - Stainless steel slag treatment device - Google Patents
Stainless steel slag treatment device Download PDFInfo
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- CN209923370U CN209923370U CN201920383484.0U CN201920383484U CN209923370U CN 209923370 U CN209923370 U CN 209923370U CN 201920383484 U CN201920383484 U CN 201920383484U CN 209923370 U CN209923370 U CN 209923370U
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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
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Abstract
The utility model discloses a stainless steel slag processing apparatus, the device is including establishing the sediment jar on sediment jar support, establish the mount on the basis, the dust excluding hood that has the dust removal mouth, the swing arm of the articulated other end of one end and mount and dust excluding hood outside fixed connection, a pneumatic cylinder that is used for driving the swing arm and realizes that the dust excluding hood covers and opens the sediment jar around the hinge point swing, arrange the delivery pipe on mount and swing arm, establish the water supply control valve on the delivery pipe, establish at the delivery pipe end and be located the inboard atomizing nozzle of dust excluding hood, with dust removal mouth outside fixed connection's removal exhaust column, through water seal interface and the fixed exhaust column of removal exhaust column butt joint and establish the exhaust control valve on fixed exhaust column. The device cooling effect is good, has realized the synchronous collection of dusty steam and toxic gas and has avoided revealing, and degree of automation is high, simple structure.
Description
Technical Field
The utility model belongs to metallurgical sediment field of handling, concretely relates to stainless steel slag processing apparatus.
Background
The stainless steel is a steel grade which is resistant to weak corrosive media such as air, steam, water and the like or has stainless property, and in order to reduce the content of harmful elements such as C, S and the like in the stainless steel and improve the purity of the stainless steel, alkaline slag lime is required to be added in the blowing process, so that SiO in slag is reduced2The activity of the slag is improved, the recovery rate of Cr is improved, 270kg of slag is generated when 1t of stainless steel is smelted, and CaO and SiO in the stainless steel slag2Mainly uses dicalcium silicate (2 CaO. SiO)2) In the form of 2 CaO. SiO, the temperature of the stainless steel slag decreases from the molten state to the cooling state2Continuously phase-changing and changing into gamma-C at 850 deg.C2S, the stainless steel slag expands in volume to cause pulverization to generate a large amount of powder, the surface of the powder is easily influenced by natural wind in the subsequent transportation, stockpiling and disposal processes, a large amount of dust is generated, and serious environmental pollution is caused. Therefore, the treatment of stainless steel slag is an essential process in the production process of stainless steel.
At present, the domestic stainless steel slag treatment mode mainly adopts a water cooling mode with a tank: continuously spraying water into the slag tank filled with the hot stainless steel slag, and pouring the stainless steel slag into a slag yard when the temperature of the stainless steel slag is reduced to be below 80 ℃. Although the stainless steel slag after being sprayed with water contains certain moisture, the dust can be restrained in the subsequent loading and transporting process, the steam generated on the surface of the stainless steel slag in the water spraying process can entrain the dust to be scattered in the air, so that the steam is scattered in the workshop, the operation sight of a driver in a workshop is influenced, the corrosion of a steel structure workshop can be accelerated, and the harm to the health and personal safety of the driver is very large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stainless steel slag processing apparatus, the device cooling effect is good, has realized the synchronous collection of dusty steam and toxic gas and has avoided revealing, and degree of automation is high, simple structure.
The utility model adopts the technical proposal that:
the utility model provides a stainless steel slag processing apparatus, including establishing the sediment jar on sediment jar support, establish the mount on the basis, the dust excluding hood that has the dust removal mouth, one end and the articulated other end of mount and dust excluding hood outside fixed connection's swing arm, a pneumatic cylinder for driving the swing arm and realize that the dust excluding hood covers and opens the sediment jar around the pivot swing, arrange the delivery pipe on mount and swing arm, establish the water supply control valve on the delivery pipe, establish at the delivery pipe end and be located the inboard atomizing nozzle of dust excluding hood, with dust removal mouth outside fixed connection's removal exhaust column, through water seal interface and the fixed exhaust column of removal exhaust column butt joint and establish the exhaust control valve on fixed exhaust column.
Furthermore, the water supply pipe is provided with a hose with a certain allowance at the joint part of the fixed frame and the swing arm, and a part of telescopic hoses are arranged on the movable exhaust pipe or the fixed exhaust pipe close to the water seal interface.
Further, the air draft control valve is interlocked with the hydraulic cylinder, when the hydraulic cylinder drives the dust excluding hood to cover the slag pot, the air draft control valve is automatically opened, and when the hydraulic cylinder drives the dust excluding hood to open the slag pot, the air draft control valve is automatically closed.
Furthermore, when a plurality of stainless steel slag processing devices work together, all hydraulic cylinders are provided with a working oil source by a centralized hydraulic station.
Furthermore, the dust hood is made of a steel structure and a steel plate, and the inner side of the dust hood is coated with high-temperature-resistant anticorrosive paint.
Further, the atomizing nozzle is a spiral atomizing nozzle.
Furthermore, the atomizing nozzle is made of stainless steel.
Further, the spraying included angle of the atomizing nozzle is 90-120 ℃.
Further, the height of the water seal liquid level in the water sealing opening is 300-500 mm.
The utility model has the advantages that:
in the device, the stainless steel slag is cooled through the water supply pipe, the water supply control valve and the atomizing nozzle, the atomizing nozzle provides atomized cold and hot water to uniformly cool the hot stainless steel slag, the phenomena of over-rapid slag area water pumping and insufficient cooling of bottom red slag are avoided, the cooling effect is good, the stainless steel slag is cooled and simultaneously drafted through the dust hood, the movable exhaust pipe, the water seal interface and the fixed exhaust pipe, the synchronous collection of dust-containing steam and toxic gas is realized, the production environment in a workshop is improved, the labor health of workers is facilitated, the position of the dust hood is switched through the swing arm and the hydraulic cylinder, the in-place and out-of-place of the slag pot and the cooling and drafting operation in the slag pot are facilitated, the dust hood is ensured to have a certain installation height through the fixing frame, the stress support is provided for the dust hood, the overlarge stress of the hydraulic cylinder is avoided, the negative pressure of the exhaust pipe is overcome, realize remote operation through air draft control valve and water supply control valve, degree of automation is high, has reduced workman intensity of labour, and the device simple structure is applicable to newly-built or reform transform the engineering.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
In the figure: 1-a base; 2-fixing an exhaust pipe; 3-an air draft control valve; 4-a fixing frame; 5-a hose; 6-hydraulic cylinder; 7-water seal interface; 8, moving an exhaust pipe; 9-a water supply pipe; 10-an atomizing nozzle; 11-a swing arm; 12-dust hood; 13-slag pot; 14-slag pot support; 15-flexible hose.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a stainless steel slag treatment device comprises a slag pot 13 arranged on a slag pot support 14, a fixed frame 4 arranged on a foundation 1 through anchor bolts, a dust removing cover 12 with a dust removing opening, a swing arm 11 with one end hinged with the fixed frame 4 and the other end fixedly connected with the outer side of the dust removing cover 12 (through welding), a hydraulic cylinder for driving the swing arm 11 to swing around a hinge point to cover and open the slag pot 13 by the dust removing cover 12, a water supply pipe 9 arranged on the fixed frame 4 and the swing arm 11, a water supply control valve arranged on the water supply pipe 9, an atomizing nozzle 10 arranged at the tail end of the water supply pipe 9 and positioned at the inner side of the dust removing cover 12, a movable exhaust pipe 8 fixedly connected with the outer side of the dust removing opening, a fixed exhaust pipe 2 butted with the movable exhaust pipe 8 through a water seal joint 7, and an exhaust.
In the device, stainless steel slag is cooled through a water supply pipe 9, a water supply control valve and an atomizing nozzle 10, the atomizing nozzle 10 provides atomized cold and hot water to uniformly cool the hot stainless steel slag, the phenomena of over-rapid slag area water caused by water pumping and insufficient cooling of bottom red slag are avoided, the cooling effect is good, the stainless steel slag is cooled and simultaneously exhausted through a dust hood 12, a movable exhaust pipe 8, a water seal interface 7 and a fixed exhaust pipe 2, the synchronous collection of dust-containing steam and toxic gas is realized, the production environment in a workshop is improved, the labor health of workers is facilitated, the position of the dust hood 12 is switched through a swing arm 11 and a hydraulic cylinder 6, the in-place and out-place of a slag pot 13 and the operation of cooling and exhausting in the slag pot 13 are facilitated, the dust hood 12 is ensured to have a certain installation height through a fixing frame 4, the dust hood 12 is provided with stress support, and the hydraulic cylinder 6 is prevented from being stressed too much, overcome exhaust column negative pressure through water seal interface 7 and avoid the exhaust column to reveal, realize remote operation through air draft control valve 3 and water supply control valve, degree of automation is high, has reduced workman intensity of labour, and the device simple structure is applicable to newly-built or reforms transform the engineering.
As shown in fig. 1, in this embodiment, the water supply pipe 9 is a hose 5 with a certain margin at the connection part of the fixed frame 4 and the swing arm 11 to prevent the water supply pipe 9 from being damaged during the swing motion, and a part of the flexible hose 15 is arranged on the movable exhaust pipe 8 or the fixed exhaust pipe 2 close to the water seal joint 7 to prevent the exhaust pipe from being damaged during the swing motion.
In this embodiment, air draft control valve 3 is chain with pneumatic cylinder 6, and when pneumatic cylinder 6 drive dust excluding hood 12 covered slag ladle 13, air draft control valve 3 was automatic to be opened, and when pneumatic cylinder 6 drive dust excluding hood 12 opened slag ladle 13, air draft control valve 3 self-closing, chain control can prevent the maloperation or forget the operation.
In this embodiment, when the daily production of stainless steel slag is excessive, a plurality of stainless steel slag treatment devices are provided to work together, and all the hydraulic cylinders 6 are supplied with a working oil source from a single centralized hydraulic station.
In this embodiment, the dust excluding hood 12 is made of steel structure and steel plate and the inner side is coated with high temperature resistant and corrosion resistant paint to prevent high temperature steam from corroding the steel structure and steel plate.
In this embodiment, atomizing nozzle 10 is spiral atomizing nozzle, and spiral atomizing nozzle atomization effect is good, and the cooling is more even, and atomizing nozzle 10 adopts stainless steel, prevents that high temperature steam from causing the corruption to atomizing nozzle 10, and atomizing nozzle 10's injection contained angle is 90 ~ 120 ℃.
In this embodiment, the height of the water seal liquid level in the water seal interface 7 is 300-.
When the stainless steel slag processing device is used for processing stainless steel slag, the method comprises the following steps:
s1, the slag ladle transport vehicle transports the slag ladle 13 filled with the high-temperature thermal-state stainless steel slag to a stainless steel slag processing workshop;
s2, the hydraulic cylinder 6 drives the swing arm 11 to swing around the hinge point, and the dust hood 12 is driven to open the slag pot 13 upwards;
s3, hoisting the slag pot 13 from the slag pot transport vehicle to a specified slag pot support 14 by a crane;
s4, the hydraulic cylinder 6 drives the swing arm 11 to swing around the hinge point, the dust hood 12 is driven to cover the slag pot 13 downwards, the air draft control valve 3 is opened, and pre-air draft is carried out in the dust hood 12;
s5, under the condition that air draft is kept, opening a water supply control valve, continuously spraying water and cooling the high-temperature thermal-state stainless steel slag in the dust hood 12 at a small flow rate, wherein the water flow rate is reduced as the temperature of the stainless steel slag is lower, and closing the water supply control valve after the temperature of the stainless steel slag is reduced to below 80 ℃ and steam above the slag tank 13 disappears;
s6, the hydraulic cylinder 6 drives the swing arm 11 to swing around the hinge point, the dust hood 12 is driven to open the slag pot 13 upwards, and the air draft control valve 3 is closed;
s7, the processed slag pot 13 is lifted away from the slag pot support 14 by a crane and is subjected to subsequent deep processing.
In S5, when the water supply control valve is opened, the cooling water pressure is 0.3-0.4Mpa, the water flow is 3-5t/h, and the water flow is automatically adjusted by controlling the water supply control valve by a control system (a PLC control system can be adopted).
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (9)
1. A stainless steel slag processing device is characterized in that: including establishing the sediment jar on sediment jar support, establish the mount on the basis, the dust excluding hood that has the dust removal mouth, one end and the articulated other end of mount and dust excluding hood outside fixed connection's swing arm, a pneumatic cylinder for driving the swing arm and realizing that the dust excluding hood covers and opens the sediment jar around the swing of hinge point, arrange the delivery pipe on mount and swing arm, establish the water supply control valve on the delivery pipe, establish at the delivery pipe end and be located the inboard atomizing nozzle of dust excluding hood, with dust removal mouth outside fixed connection's removal exhaust column, through water seal interface and the fixed exhaust column of removal exhaust column butt joint and establish the convulsions control valve on fixed exhaust column.
2. The stainless steel slag treatment apparatus according to claim 1, wherein: the water supply pipe is a hose with a certain allowance at the joint part of the fixed frame and the swing arm, and a part of telescopic hoses are arranged on the movable exhaust pipe or the fixed exhaust pipe close to the water seal interface.
3. The stainless steel slag treatment apparatus according to claim 1, wherein: the exhaust control valve is interlocked with the hydraulic cylinder, when the hydraulic cylinder drives the dust hood to cover the slag pot, the exhaust control valve is automatically opened, and when the hydraulic cylinder drives the dust hood to open the slag pot, the exhaust control valve is automatically closed.
4. The stainless steel slag treatment apparatus according to claim 1, wherein: when a plurality of stainless steel slag processing devices work together, all hydraulic cylinders are provided with a working oil source by a centralized hydraulic station.
5. The stainless steel slag treatment apparatus according to claim 1, wherein: the dust hood is made of a steel structure and a steel plate, and the inner side of the dust hood is coated with high-temperature-resistant anticorrosive paint.
6. The stainless steel slag treatment apparatus according to claim 1, wherein: the atomizing nozzle is a spiral atomizing nozzle.
7. The stainless steel slag treatment apparatus according to claim 1, wherein: the atomizing nozzle is made of stainless steel.
8. The stainless steel slag treatment apparatus according to claim 1, wherein: the spray included angle of the atomizing nozzle is 90-120 ℃.
9. The stainless steel slag treatment apparatus according to claim 1, wherein: the height of the water seal liquid level in the water seal opening is 300-500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383484.0U CN209923370U (en) | 2019-03-25 | 2019-03-25 | Stainless steel slag treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383484.0U CN209923370U (en) | 2019-03-25 | 2019-03-25 | Stainless steel slag treatment device |
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| CN209923370U true CN209923370U (en) | 2020-01-10 |
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| CN201920383484.0U Active CN209923370U (en) | 2019-03-25 | 2019-03-25 | Stainless steel slag treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797260A (en) * | 2019-03-25 | 2019-05-24 | 中冶南方工程技术有限公司 | Stainless steel slag processing unit and its processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797260A (en) * | 2019-03-25 | 2019-05-24 | 中冶南方工程技术有限公司 | Stainless steel slag processing unit and its processing method |
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