CN220329911U - Heating and heat-preserving riser - Google Patents
Heating and heat-preserving riser Download PDFInfo
- Publication number
- CN220329911U CN220329911U CN202321787956.1U CN202321787956U CN220329911U CN 220329911 U CN220329911 U CN 220329911U CN 202321787956 U CN202321787956 U CN 202321787956U CN 220329911 U CN220329911 U CN 220329911U
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- CN
- China
- Prior art keywords
- riser
- layer
- heat
- separator
- baffle
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Links
- 238000010438 heat treatment Methods 0.000 title abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 9
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052863 mullite Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 210000003739 neck Anatomy 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to a heating insulating riser which comprises a riser body, wherein a plurality of exhaust holes are formed in the upper end of the riser body, a partition plate is arranged between any two adjacent exhaust holes, the partition plate is positioned in a cavity of the riser body, the partition plate is used for dividing the cavity into a plurality of independent cavities, the exhaust holes are respectively corresponding to each cavity, and one end of the partition plate is arranged on the riser body. According to the utility model, as the heating partition plate is added in the middle of the riser, the heating quantity of the riser is equivalently improved; through 1 riser, 2 positions of 1 foundry goods are fed simultaneously, and two feeds use the baffle to separate, have realized that the riser is got rid of easily, have reduced clearance work load.
Description
Technical Field
The utility model belongs to the technical field of casting auxiliary materials, and mainly relates to a heating and heat-preserving riser.
Background
At present, the existing riser is provided with 1 cavity, and only a single riser can be formed to feed the casting after the casting is poured; and when 1 riser has 2 riser necks (as in figure 5), and feeds 2 positions of 1 foundry goods simultaneously, because 1 riser has 2 departments to link to each other with the foundry goods, when the clearance foundry goods, the feeding of two places links together, and the area is great, and its riser removes the difficulty, simultaneously because the size of riser is great, only relies on the heat of riser inner wall to guarantee the liquidity, and the cooling is faster, can't provide sufficient molten metal for the work piece, consequently the feeding efficiency of heating insulation riser is lower.
Disclosure of Invention
The utility model provides a heating insulation riser, which aims to solve the problem that the feeding position is not easy to clean after feeding a plurality of parts simultaneously in the prior art.
In order to solve the problems, the following technical scheme is adopted:
the utility model provides a heat insulation riser, includes the riser body, the upper end of riser body sets up a plurality of exhaust holes, is equipped with the baffle between two arbitrary adjacent exhaust holes, and the baffle is located the die cavity of riser body, and the baffle is used for separating the die cavity into a plurality of solitary cavities, and each cavity all corresponds has the exhaust hole, and baffle one end is established on the riser body. Has the following beneficial effects: the heating partition plate is added in the middle of the riser, which is equivalent to the improvement of the heating value of the riser; through 1 riser, 2 positions of 1 foundry goods are fed simultaneously, and two feeds use the baffle to separate, have realized that the riser is got rid of easily, have reduced clearance work load.
The baffle includes first baffle and establishes the second baffle in first baffle one end, and first baffle other end is established on the rising head body.
The slope a of the first partition is greater than the slope β of the second partition. Has the following beneficial effects: the purpose is to increase the connection strength of the baffle plate and the bottom of the riser, prevent the baffle plate from breaking in the stripping process or deforming in the drying process.
The section of the first baffle is trapezoid, and the long bottom edge of the first baffle is arranged at the upper end of the riser body. Has the following beneficial effects: the purpose is to increase the connection strength of the first baffle plate and the bottom of the riser, prevent fracture in the stripping process, or deform in the drying process.
The riser body comprises an inner layer and an outer layer, wherein the inner layer is a working layer contacting with metal liquid, and the outer layer is a heating heat-insulating layer.
The working layer is made of aluminum oxide/mullite working layer, and the heating heat-insulating layer is aluminum powder/asbestos fiber heating heat-insulating layer. Has the following beneficial effects: the working layer is in direct contact with molten steel, has the functions of high temperature molten steel scouring resistance and corrosion resistance, and the heating and heat-preserving layer has the functions of heating, slow cooling and heat preservation; under the same thickness, the working layer and the heating insulation layer have higher strength and better high temperature resistance.
And a chamfer is arranged at the neck of the riser body.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a riser structure comprising an inner layer and an outer layer;
FIG. 3 is a top view of a riser comprising an inner layer and an outer layer;
FIG. 4 is a schematic view of a riser configuration including a chamfer;
fig. 5 is a schematic view of a conventional riser.
Reference numerals illustrate: 1. an exhaust hole; 2. a riser body; 3. a partition plate; 4. a first separator; 5. a second separator; 6. an inner layer; 7. an outer layer; 8. a first cavity; 9. chamfering; 10. and a second cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
As shown in fig. 1, an exothermic and insulated riser includes a riser body 2. The riser refers to a supplemental portion that is added above or to the sides of the casting to avoid defects in the casting. The function is that in casting mould, the cavity of riser is used to store liquid metal, and when casting is formed, the metal is supplied, so that it has the functions of preventing shrinkage cavity, exhaust and slag collection, and the main function of riser is feeding. The upper end of riser body 2 has seted up a plurality of exhaust holes 1, and exhaust hole 1 mainly used is exhaust when casting, and when the molten metal just entered the riser in, exhaust gas, when feeding, make external gas can get into. A partition plate 3 is arranged between any two adjacent exhaust holes 1, the partition plate 3 is positioned in a cavity of the riser body 2, the partition plate 3 is used for dividing the cavity into a plurality of independent cavities, each cavity corresponds to the exhaust hole 1, and the partition plate 3 is integrally cast on the riser body 2. The heating partition plate 3 is added in the middle of the riser, which is equivalent to the improvement of the heating value of the riser; through 1 riser, 2 positions of 1 foundry goods are fed simultaneously, and two feeds use the baffle to separate, have realized that the riser is got rid of easily, have reduced clearance work load. Wherein the partition plate 3 divides the cavity into two cavities, namely a first cavity 8 and a second cavity 10, and the first cavity 8 and the second cavity 10 are respectively communicated with the outside through an exhaust hole 1.
As shown in fig. 1, the separator 3 includes a first separator 4 and a second separator 5 fixedly connected to one end of the first separator 4, the other end of the first separator 4 is fixedly connected to the upper end of the riser body 2, and the inclination α of the first separator 4 is greater than the inclination β of the second separator 5. The inclination referred to in this application is the angle between the horizontal plane and the side of the first partition 4 or the second partition 5. The purpose is to increase the connection strength of the partition plate 3 and the riser bottom, prevent breakage during the stripping process, or deform during the drying process.
As shown in fig. 1, the cross section of the first separator 4 is trapezoidal, and the long bottom edge of the first separator 4 is fixedly connected to the upper end of the riser body 2, that is, the end with the large thickness of the first separator 4 is connected to the riser body 2, and the end with the small thickness of the first separator 4 is far away from the riser body 2. The purpose is to increase the strength of the connection of the first separator 4 to the bottom of the riser, prevent breakage during the stripping process, or deform during the drying process.
As shown in fig. 2-3, the riser body 2 comprises an inner layer 6 and an outer layer 7, wherein the inner layer 6 is a working layer, the working layer is used for contacting molten metal, and the outer layer 7 is a heating insulation layer. Wherein the working layer is made of aluminum oxide/mullite working layer, and the heating insulation layer is aluminum powder/asbestos fiber heating insulation layer. The working layer is in direct contact with molten steel, has the functions of high temperature molten steel scouring resistance and corrosion resistance, and the heating and heat-preserving layer has the functions of heating, slow cooling and heat preservation; under the same thickness, the working layer and the heating insulation layer have higher strength and better high temperature resistance. Preparation of the working layer (as described in the chinese patent of the utility model of publication No. CN104259392B with respect to the working layer): combining bonding agent, organic fiber and Al 2 O 3 Adding 3-7 parts of a sintering agent and 3-7 parts of mullite into a sand mill according to the following weight parts; 4-8 parts of organic fiber; 3-7 parts of Al2O3 sintering agent; 75-90 parts of mullite; the charging sequence is as follows: adding the sintering agent, the composite binder and the mullite, premixing for 10-12 minutes, adding the organic fiber, stirring for 15-20 minutes, and then pressing. The preparation of the heating and heat-insulating layer is according to the content described in Chinese patent with the authority of publication number CN 103962509B; or other materials capable of achieving heat-generating and heat-insulating properties are used. The process of forming the riser body 2 is as described in the chinese patent publication No. CN 104259392B.
As shown in fig. 4, the neck of the riser body 2 is provided with a chamfer 9, and the chamfer 9 is formed in the direction of the cavity of the riser. The neck as used herein refers to the portion of the riser that is required to contact the casting.
From the foregoing description of the present specification, it will be further understood by those skilled in the art that terms such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are based on the azimuth or the positional relationship shown in the drawings of the present specification, are for convenience only in explaining aspects of the present utility model and simplifying the description, and do not explicitly or implicitly refer to devices or elements having to have the specific azimuth, be constructed and operate in the specific azimuth, and thus the azimuth or positional relationship terms described above should not be interpreted or construed as limitations of aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (7)
1. The utility model provides a heat insulation riser, includes riser body (2), its characterized in that, the upper end of riser body (2) sets up a plurality of exhaust holes (1), is equipped with baffle (3) between arbitrary two adjacent exhaust holes (1), and baffle (3) are located the die cavity of riser body (2), and baffle (3) are used for separating the die cavity into a plurality of solitary cavities, and each cavity all corresponds has exhaust hole (1), and baffle (3) one end is established on riser body (2).
2. A riser according to claim 1, wherein the separator (3) comprises a first separator (4) and a second separator (5) provided at one end of the first separator (4), the other end of the first separator (4) being provided on the riser body (2).
3. An exothermic and insulated riser according to claim 2, characterized in that the slope α of the first partition (4) is greater than the slope β of the second partition (5).
4. A riser according to claim 3, wherein the first partition (4) has a trapezoidal cross section, and the long base of the first partition (4) is provided on the riser body (2).
5. A riser according to any one of claims 1 to 4, wherein the riser body (2) comprises an inner layer (6) and an outer layer (7), the inner layer (6) being a working layer in contact with a metal liquid, the outer layer (7) being a heat-generating insulating layer.
6. The exothermic and heat-insulating riser of claim 5, wherein the working layer is an alumina/mullite working layer, and the exothermic and heat-insulating layer is an aluminum powder/asbestos fiber exothermic and heat-insulating layer.
7. A exothermic and insulated riser according to any one of claims 1-4, characterized in that the neck of the riser body (2) is provided with a chamfer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787956.1U CN220329911U (en) | 2023-07-07 | 2023-07-07 | Heating and heat-preserving riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787956.1U CN220329911U (en) | 2023-07-07 | 2023-07-07 | Heating and heat-preserving riser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220329911U true CN220329911U (en) | 2024-01-12 |
Family
ID=89446249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321787956.1U Active CN220329911U (en) | 2023-07-07 | 2023-07-07 | Heating and heat-preserving riser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220329911U (en) |
-
2023
- 2023-07-07 CN CN202321787956.1U patent/CN220329911U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |