CN204939525U - A kind of protection type RH stove material alloying mouth structure - Google Patents
A kind of protection type RH stove material alloying mouth structure Download PDFInfo
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- CN204939525U CN204939525U CN201520615642.2U CN201520615642U CN204939525U CN 204939525 U CN204939525 U CN 204939525U CN 201520615642 U CN201520615642 U CN 201520615642U CN 204939525 U CN204939525 U CN 204939525U
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- brick
- side wall
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Abstract
A kind of protection type RH stove material alloying mouth structure, relate to metallurgical Refractory For Steelmaking field, comprise protective brick (1), key brick (2), side wall brick and neck brick (5), protective brick is made up of the wedge brick of polylith horizontal positioned, wedge brick comprises the middle part reeded wedge brick of band and middle part with the wedge brick of projection, replace wedging with reeded wedge brick with the wedge brick with projection to arrange, key brick is provided with at the middle part of protective brick bottom, side wall brick is provided with in the outside of key brick, side wall brick comprises right-angled trapezium side wall brick (3) and rhombus side wall brick (4), right-angled trapezium side wall brick is provided with on the top of rhombus side wall brick, the upper port of right-angled trapezium side wall brick and the V-shaped combination of key brick, the inside of rhombus side wall brick is provided with the neck brick combined, the utility model achieve stop the alloy such as slag, air-flow charging opening wash away erosion, increase the object in material alloying mouth work-ing life.
Description
[technical field]
The utility model relates to metallurgical Refractory For Steelmaking field, especially relates to a kind of protection type RH stove material alloying mouth structure.
[background technology]
Known, RH vacuum processing techniques is that a kind of technique is advanced, has decarburization, desulfurization, degassed, eliminating non-metallic inclusion, effectively can improve the multi-functional secondary refining method of steel quality; Structure according to RH vacuum furnace body forms, and is generally divided into four parts, i.e. hot-bending pipe, upper slot, lower channel and soaking tub; Material alloying mouth is positioned at the first half of upper slot, forms the liner of upper slot refractory materials with upper slot operational layer brick together with building by laying bricks or stones, has three parts and forms: be respectively the key brick at top, the side wall brick of supporting arch dome brick and the neck brick that washes away by alloy.
Material alloying mouth adds the additives such as aluminium, manganese, chromium to the passage in molten steel, these alloys and additive enter molten steel through alloy charging opening and fully merge with molten steel, material alloying mouth is not owing to directly contacting with molten steel, and what the wearing and tearing that the damage of refractory materials produces mainly due to mechanical erosion and thermal stresses made part brick crack peels off; Existing material alloying mouth becomes alone a rectangular configuration closed, neck brick and side wall brick are simple perpendicular contact, whole alloy material mouth brick and upper slot operational layer brick can not form organic combination, therefore be easier to when being subject to the brute force attack of the preheater burner flame being positioned at opposite to make its strength degradation and then cause damage, cave in, cause vacuum refinement urgent interrupt, time serious, may security incident be led to.
[utility model content]
In order to overcome the deficiency in background technology, the utility model discloses a kind of protection type RH stove material alloying mouth structure, protective brick is set to by the reeded wedge brick of band is replaced wedging with the wedge brick with projection, and improve the brick of washing away neck brick by alloy, what achieve charging opening such as alloy such as stop slag, air-flow etc. washes away erosion, increases the object in material alloying mouth work-ing life.
In order to realize described goal of the invention, the utility model adopts following technical scheme:
A kind of protection type RH stove material alloying mouth structure, comprise protective brick, key brick, side wall brick and neck brick, described protective brick is made up of the wedge brick of polylith horizontal positioned, described wedge brick comprises the middle part reeded wedge brick of band and middle part with the wedge brick of projection, replace wedging with reeded wedge brick with the wedge brick with projection to arrange, key brick is provided with at the middle part of protective brick bottom, side wall brick is provided with in the outside of key brick, described side wall brick comprises right-angled trapezium side wall brick and rhombus side wall brick, right-angled trapezium side wall brick is provided with on the top of rhombus side wall brick, the upper port of right-angled trapezium side wall brick and the V-shaped combination of key brick, the inside of described rhombus side wall brick is provided with the neck brick combined.
Described protection type RH stove material alloying mouth structure, the medullary ray of described protective brick overlaps with the medullary ray of key brick and arranges, and the upper surface of protective brick engages with upper slot working lining, and lower surface connects with key brick.
Described protection type RH stove material alloying mouth structure, described protective brick is greater than the right-angled trapezium side wall brick sum of key brick and supporting arch dome brick in the direction of the width, and the edge length of protective brick is greater than the edge length of key brick.
Described protection type RH stove material alloying mouth structure, described key brick is made up of the polylith wedge brick placed vertically, and radially, intersection point and material alloying mouth medullary ray converge brickwork joint, and whole key brick is in " V " word shape.
Described protection type RH stove material alloying mouth structure, side towards the fire and the front port of described neck brick are narrow, carry on the back fiery face and rear port wide, impingement area(s) is set to curved surface, overall in fan shape, be made up of upper and lower two-layer refractory brick, the lower edge of upper strata refractory brick flushes setting with the upper end-face edge of lower floor's refractory brick.
Described protection type RH stove material alloying mouth structure, the impingement area(s) of adjacent bevel surfaces brick is for being connected smoothly.
Described protection type RH stove material alloying mouth structure, the rhombus side wall brick contacted with neck brick cooperatively interacts and arranges.
Owing to have employed technique scheme, the utility model has following beneficial effect:
1, protection type RH stove material alloying mouth structure described in the utility model, neck brick 5 is set to sector structure, both sides are fixed by rhombus side wall brick 4, rhombus side wall brick 4 is fixed by operational layer brick, constitute an organic molectron between three, and then improve the performance of flushing of its globality and anti-alloy; The impingement area(s) of neck brick 5 is set to level and smooth transition and connects, and two adjacent brick edges only have a straight joint, avoid neck brick more easily to be washed away damage by alloy material, thus increase the security of material alloying mouth operation, increase its work-ing life.
2, protection type RH stove material alloying mouth structure described in the utility model, protective brick 1 replaces wedging by the reeded wedge brick of band with the wedge brick with projection and arranges, alleviate the crimp of upper slot operational layer brick to key brick, and edge give prominence to effectively can stop the alloy such as slag, air-flow charging opening wash away erosion, this can increase the work-ing life of material alloying mouth further.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the B-B sectional view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
In figure: 1, protective brick; 2, key brick; 3, right-angled trapezium side wall brick; 4, rhombus side wall brick; 5, neck brick.
[embodiment]
By explanation the utility model that the following examples can be detailed, open the purpose of this utility model is intended to protect all technological improvements within the scope of the utility model.
Protection type RH stove material alloying mouth structure by reference to the accompanying drawings described in 1, comprise protective brick 1, key brick 2, side wall brick and neck brick 5, described protective brick 1 is made up of the wedge brick of polylith horizontal positioned, described wedge brick comprises the middle part reeded wedge brick of band and middle part with the wedge brick of projection, replace wedging with reeded wedge brick with the wedge brick with projection to arrange, key brick 2 is provided with at the middle part of protective brick 1 bottom, side wall brick is provided with in the outside of key brick 2, described side wall brick comprises right-angled trapezium side wall brick 3 and rhombus side wall brick 4, right-angled trapezium side wall brick 3 is provided with on the top of rhombus side wall brick 4, the upper port of right-angled trapezium side wall brick 3 and the V-shaped combination of key brick 2, the inside of described rhombus side wall brick 4 is provided with the neck brick 5 combined.
Described protection type RH stove material alloying mouth structure, the medullary ray of described protective brick 1 overlaps with the medullary ray of key brick 2 and arranges, and the upper surface of protective brick 1 engages with upper slot working lining, and lower surface connects with key brick 2.
Described protection type RH stove material alloying mouth structure, described protective brick 1 is greater than right-angled trapezium side wall brick 3 sum of key brick 2 and supporting arch dome brick in the direction of the width, and the edge length of protective brick 1 is greater than the edge length of key brick 2.
Described protection type RH stove material alloying mouth structure, described key brick 2 is made up of the polylith wedge brick placed vertically, and radially, intersection point and material alloying mouth medullary ray converge brickwork joint, and whole key brick 2 is in " V " word shape.
Described protection type RH stove material alloying mouth structure, side towards the fire and the front port of described neck brick 5 are narrow, carry on the back fiery face and rear port wide, impingement area(s) is set to curved surface, overall in fan shape, be made up of upper and lower two-layer refractory brick, the lower edge of upper strata refractory brick flushes setting with the upper end-face edge of lower floor's refractory brick.
Described protection type RH stove material alloying mouth structure, the impingement area(s) of adjacent bevel surfaces brick 5 is for being connected smoothly.
Described protection type RH stove material alloying mouth structure, the rhombus side wall brick 4 contacted with neck brick 5 cooperatively interacts and arranges.
Implement protection type RH stove material alloying mouth structure described in the utility model, described protective brick 1 is the wedge brick composition being with one group of fluted and protruding horizontal positioned, the medullary ray of this group protective brick 1 overlaps with key brick 2 medullary ray, its upper surface engages with upper slot working lining, lower surface connects with key brick 2 and edge protrudes from key brick 50mm, to protect key brick not by slag and airflow scouring, alleviate the crimp of upper slot operational layer brick to key brick 2 simultaneously; Key brick 2 is made up of the wedge brick placed vertically, and radially, intersection point and material alloying mouth medullary ray converge brickwork joint, and whole key brick is " V " word shape; Side wall brick 5 is made up of two portions, and the first half is right-angled trapezium brick 3, upper port and the V-shaped combination of key brick, and Lower Half is that rhombus side wall brick 4 connects with neck brick 5; Neck brick 5 is made up of two-layer refractory brick, and the lower edge of last layer refractory brick is concordant with the top edge of lower one deck refractory brick, and side towards the fire and the front port of every block brick are narrow, and the rear end of carrying on the back fiery face and neck brick is large, with rhombus side wall brick 4 in firm fan-shaped joint.Impingement area(s) is improved to by original plane and is connected smoothly, and two adjacent brick edges only have a straight joint, avoid neck brick more easily to be washed away damage by alloy material, thus increases the security of material alloying mouth operation, increases its work-ing life.
The non-detailed portion of the utility model is prior art.
The embodiment selected in this article in order to open goal of the invention of the present utility model, currently thinks to be suitable for, but it is to be understood that the utility model is intended to comprise all changes belonging to the embodiment within the scope of this design and utility model and improvement.
Claims (7)
1. a protection type RH stove material alloying mouth structure, comprise protective brick (1), key brick (2), side wall brick and neck brick (5), it is characterized in that: described protective brick (1) is made up of the wedge brick of polylith horizontal positioned, described wedge brick comprises the middle part reeded wedge brick of band and middle part with the wedge brick of projection, replace wedging with reeded wedge brick with the wedge brick with projection to arrange, key brick (2) is provided with at the middle part of protective brick (1) bottom, side wall brick is provided with in the outside of key brick (2), described side wall brick comprises right-angled trapezium side wall brick (3) and rhombus side wall brick (4), right-angled trapezium side wall brick (3) is provided with on the top of rhombus side wall brick (4), the upper port of right-angled trapezium side wall brick (3) and key brick (2) V-shaped combination, the inside of described rhombus side wall brick (4) is provided with the neck brick (5) combined.
2. protection type RH stove material alloying mouth structure according to claim 1, it is characterized in that: the medullary ray of described protective brick (1) overlaps with the medullary ray of key brick (2) and arranges, the upper surface of protective brick (1) engages with upper slot working lining, and lower surface connects with key brick (2).
3. protection type RH stove material alloying mouth structure according to claim 1, it is characterized in that: described protective brick (1) is greater than right-angled trapezium side wall brick (3) sum of key brick (2) and supporting arch dome brick in the direction of the width, and the edge length of protective brick (1) is greater than the edge length of key brick (2).
4. protection type RH stove material alloying mouth structure according to claim 1, it is characterized in that: described key brick (2) is made up of the polylith wedge brick placed vertically, radially, intersection point and material alloying mouth medullary ray converge brickwork joint, and whole key brick (2) is in " V " word shape.
5. protection type RH stove material alloying mouth structure according to claim 1, it is characterized in that: side towards the fire and the front port of described neck brick (5) are narrow, carry on the back fiery face and rear port wide, impingement area(s) is set to curved surface, overall in fan shape, be made up of upper and lower two-layer refractory brick, the lower edge of upper strata refractory brick flushes setting with the upper end-face edge of lower floor's refractory brick.
6. protection type RH stove material alloying mouth structure according to claim 1, is characterized in that: the impingement area(s) of adjacent bevel surfaces brick (5) is for being connected smoothly.
7. protection type RH stove material alloying mouth structure according to claim 1, the rhombus side wall brick (4) contacted with neck brick (5) cooperatively interacts and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615642.2U CN204939525U (en) | 2015-08-17 | 2015-08-17 | A kind of protection type RH stove material alloying mouth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615642.2U CN204939525U (en) | 2015-08-17 | 2015-08-17 | A kind of protection type RH stove material alloying mouth structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204939525U true CN204939525U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520615642.2U Expired - Fee Related CN204939525U (en) | 2015-08-17 | 2015-08-17 | A kind of protection type RH stove material alloying mouth structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204939525U (en) |
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2015
- 2015-08-17 CN CN201520615642.2U patent/CN204939525U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20180817 |