CN205380269U - Shot production facility with gas protection - Google Patents
Shot production facility with gas protection Download PDFInfo
- Publication number
- CN205380269U CN205380269U CN201620092092.5U CN201620092092U CN205380269U CN 205380269 U CN205380269 U CN 205380269U CN 201620092092 U CN201620092092 U CN 201620092092U CN 205380269 U CN205380269 U CN 205380269U
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- China
- Prior art keywords
- nitrogen
- shot
- nitrogen gas
- upper cover
- water curtain
- Prior art date
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Abstract
The utility model provides a shot production facility with gas protection, belongs to shot production facility field. Include cooling water pool (4) and be located cooling water pool (4) inside centrifuge (8), its characterized in that: being equipped with upper cover (3) at cooling water pool (4) upper end cover, forming inclosed protection chamber between cooling water pool (4) and upper cover (3), be provided with the nitrogen gas air feed unit that is used for protecting intracavity injection nitrogen gas, nitrogen gas air feed unit includes nitrogen gas induction -pipe (1) of nitrogen gas source and intercommunication nitrogen gas source and cooling water pool (4). In this shot production facility with gas protection, through setting up nitrogen supply device, therefore the molten steel after centrifuge throws away to fall into the cooling water before, be full of nitrogen gas but not the air around it because shot itself can not react with nitrogen gas, consequently avoided among the prior art because of with easy hollow, the special -shaped isabnormal condition that appears of nitrogen gas reaction, guaranteed higher yields.
Description
Technical field
A kind of shot with gas shield produces equipment, belongs to shot and produces apparatus field.
Background technology
In the shot production technology of prior art, it is generally adopted centrifuging and realizes the shaping of shot, utilize the shot of centrifuging manufacture to have the advantages such as circularity is good, disjunctor is few.Centrifugal ratio juris is: loaded by the molten steel of molten condition in centrifuge, by centrifugal force, molten steel is thrown away centrifuge, centrifuge is positioned at the middle part of a cooling pond, and the molten steel therefore thrown away from centrifuge falls in the cooling water in cooling pond, shaping of lowering the temperature rapidly.
But find in actual production, molten steel is before after being thrown away by centrifuge, road falls into cooling pond, and the shot semi-finished product formed are higher due to temperature, therefore can react with the oxygen in air, it is easy to that the abnormal conditions such as hollow, special-shaped occur, therefore greatly reduces the yield rate of shot.Simultaneously molten steel with in the reaction of oxygen in air, can be there is rusty stain by the dioxygen oxidation in air in its surface, cause firm finished goods surface color not good, have impact on the quality of product to a certain extent, therefore also needing to the later stage polishes to shot, adds production process and adds production cost simultaneously.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art; there is provided one by arranging nitrogen protection unit; make the molten steel only contact with nitrogen before throwing away entrance cooling water from centrifuge, it is to avoid because of with oxygen reaction and the shot production equipment with gas shield of the situation such as exception or rusty stain occurs.
This utility model solves its technical problem and be the technical scheme is that this has the shot of gas shield and produces equipment; including cooling pond and be positioned at the centrifuge within cooling pond; it is characterized in that: at cooling pond upper end cover equipped with upper cover; airtight protection chamber is formed between cooling pond and upper cover; being provided with the nitrogen air supply unit for protecting intracavity nitrogen injection, nitrogen air supply unit includes the nitrogen snorkel of source nitrogen and connection source nitrogen and cooling pond.
Preferably, described nitrogen snorkel connects through the sidewall of described upper cover with protection chamber.
Preferably, described nitrogen air supply unit arranges one or more groups.
Preferably, described source nitrogen is nitrogen pot.
Preferably, described source nitrogen is nitrogen gas generator.
Preferably, described upper cover and cooling pond upper end open mating shapes.
Preferably, the Water Curtain Cooling Device being erected at centrifuge top for forming water curtain it is fixed with at described upper cover lower surface.
Preferably, described Water Curtain Cooling Device includes water curtain endless tube and the water inlet pipe of connection water source and water curtain endless tube, offers some hole for water sprayings in the border, bottom of water curtain endless tube.
Compared with prior art, this utility model is had the beneficial effect that
In the shot production equipment originally with gas shield; by arranging nitrogen feeder; therefore molten steel after throwing away from centrifuge to fall into cooling water in before; it is full of nitrogen and non-air about; owing to shot itself will not react with nitrogen; therefore the abnormal conditions such as hollow, special-shaped easily occurred because reacting in prior art are avoided with nitrogen, it is ensured that higher yields.Simultaneously shot outside because not with oxygen reaction, thus without because of oxidation, rusty stain occurs, therefore eliminates follow-up polishing step, while reducing production cost, ensure that the quality of product.
Accompanying drawing explanation
Fig. 1 is that the shot with gas shield produces device structure schematic diagram.
Fig. 2 is that the shot with gas shield produces equipment Water Curtain Cooling Device structural representation.
Wherein: 1, nitrogen snorkel 2, nitrogen pot 3, upper cover 4, cooling pond 5, Water Curtain Cooling Device 6, water inlet pipe 7, link 8, centrifuge 9, water curtain endless tube 10, hole for water spraying.
Detailed description of the invention
Fig. 1～2 are most preferred embodiments of the present utility model, are described further below in conjunction with 1～2 pair of this utility model of accompanying drawing.
As it is shown in figure 1, a kind of shot with gas shield produces equipment, including cooling pond 4, center, cooling pond 4 is provided with centrifuge 8, in cooling pond 4 built with the cooling water of certain altitude.When carrying out the forming step of shot, centrifuge 8 rotates under the drive of external power supply (not shown in FIG.), and centrifuge 8 is loaded into molten steel therein while rotating and throws away, and the molten steel thrown away falls in cooling pond 4, forms shot.It is provided with and the upper cover 3 of cooling pond 4 mating shapes at upper end open place, cooling pond 4, after upper cover 3 lid is contained in top, cooling pond 4, and between cooling pond 4, forms protection chamber.Being provided with outside cooling pond 4 for the nitrogen air supply unit of nitrogen injection in cooling pond 4, nitrogen air supply unit sends into nitrogen by upper cover 3 in the protection chamber between cooling pond 4 and upper cover 3.
Nitrogen air supply unit includes the nitrogen pot 2 as source nitrogen and the nitrogen snorkel 1 of connection nitrogen pot 2 and upper cover 3, and nitrogen snorkel 1 one end is connected on the gas outlet of nitrogen pot 2, and the other end connects with the inside of upper cover 3 after the sidewall of upper cover 3.When reality is implemented, nitrogen pot 2 and the nitrogen snorkel 1 mated with each nitrogen pot 2 can be arranged as required to many groups.
The protection intracavity formed between upper cover 3 and cooling pond 4, is additionally provided with the Water Curtain Cooling Device 5 for forming multilamellar water curtain.Water Curtain Cooling Device 5 is fixed on the lower surface center of upper cover 3 by link 7, owing to centrifuge 8 is positioned at the center of cooling pond 4, and upper cover 3 is consistent with cooling pond 4 shape, therefore after upper cover 3 lid is installed to upper end, cooling pond 4, Water Curtain Cooling Device 5 is positioned off the surface of scheming 8.
Water Curtain Cooling Device 5 includes the water curtain endless tube 9 of many different-diameters of suit with one heart, in the specifications control system that this shot produces, it is provided with three water curtain endless tubes 9, can also arranging the water curtain endless tube 9 of other quantity, wherein the projection of water curtain endless tube 9 in the vertical direction of innermost circle is positioned off the outer ring of scheming 8.Sidepiece at each water curtain endless tube 9 is connected to a water inlet pipe 6, water inlet pipe 6 on every water curtain endless tube 9 is simultaneously connected with independent water source, by every water curtain endless tube 9 is connected different independent water sources, therefore every water curtain endless tube 9 can work alone, and working method is more flexible.Offering some hole for water sprayings 10 in the border, bottom of every water curtain endless tube 9, after pouring cooling water in water curtain endless tube 9, cooling water sprays from the hole for water spraying 10 of water curtain endless tube 9 bottom, thus form the water curtain of annular in centrifuge outer ring.
Specific works process and operation principle are as follows:
Before carrying out the forming step of shot, first upper cover 3 lid is contained in the top of cooling pond 4, then passes through nitrogen snorkel 1 and nitrogen pot 2 is connected with upper cover 3.Then opening nitrogen pot 2, nitrogen enters the protection intracavity between upper cover 3 and cooling pond 4 through nitrogen snorkel 1 after nitrogen pot 2 output, after nitrogen after a while irrigates, is full of nitrogen in cooling pond 4.
Now opening centrifuge 8, centrifuge 8 is loaded into molten steel therein while rotating and throws away, and molten steel enters in the environment being full of nitrogen after being thrown out of, and later falls in the cooling water of cooling pond 4, completes the Cooling Quenching of shot, finally shape.Due to molten steel after throwing away from centrifuge to fall into cooling water in before, it is full of nitrogen and non-air about, owing to shot itself will not react with nitrogen, therefore avoid the abnormal conditions such as hollow, special-shaped easily occurred because reacting in prior art with nitrogen, it is ensured that higher yields.Simultaneously shot outside because not with oxygen reaction, thus without because of oxidation, rusty stain occurs, therefore eliminates follow-up polishing step, while reducing production cost, ensure that the quality of product.Owing to the proportion of nitrogen self overweights air; therefore after nitrogen is filled with in cooling pond 4; can sink to being positioned at bottom, cooling pond 4; therefore without continuing nitrogen injection in cooling pond 4; in the shot production equipment originally with gas shield; nitrogen pot 2 can also be realized by the equipment of other forms, such as nitrogen gas generator.
When the rotating speed of centrifuge is higher, for avoiding molten steel throwing away on the pool wall being thrown to cooling pond 4 afterwards, it is necessary to open one or more layers water curtain by Water Curtain Cooling Device 5.Passing into cooling water now by water inlet pipe 6 in the water curtain endless tube 9 of respective numbers, cooling water continues to spray in the hole for water spraying 10 of water curtain endless tube 9 bottom, forms the water curtain of the corresponding number of plies outside centrifuge 8.Then centrifuge 8 is started, while centrifuge 8 rotates under predetermined rotating speed, it is loaded into molten steel therein to throw away, molten steel first passes around the Cooling Quenching of one or more layers water curtain after being thrown out of, later fall in cooling pond 4, final shaping, effectively prevent molten steel and is thrown on the pool wall of cooling pond 4 and causes waste.
The above, it it is only preferred embodiment of the present utility model, being not the restriction that this utility model is made other form, any those skilled in the art are changed or are modified as the Equivalent embodiments of equivalent variations possibly also with the technology contents of the disclosure above.But every without departing from technical solutions of the utility model content, any simple modification, equivalent variations and remodeling above example made according to technical spirit of the present utility model, still fall within the protection domain of technical solutions of the utility model.
Claims (8)
1. a shot with gas shield produces equipment; including cooling pond (4) and the centrifuge (8) being positioned at inside, cooling pond (4); it is characterized in that: at cooling pond (4) upper end cover equipped with upper cover (3); airtight protection chamber is formed between cooling pond (4) and upper cover (3); being provided with the nitrogen air supply unit for protecting intracavity nitrogen injection, nitrogen air supply unit includes the nitrogen snorkel (1) of source nitrogen and connection source nitrogen and cooling pond (4).
2. the shot with gas shield according to claim 1 produces equipment, it is characterised in that: described nitrogen snorkel (1) connects through the sidewall of described upper cover (3) with protection chamber.
3. the shot with gas shield according to claim 1 produces equipment, it is characterised in that: described nitrogen air supply unit arranges one or more groups.
4. the shot with gas shield according to claim 1 produces equipment, it is characterised in that: described source nitrogen is nitrogen pot (2).
5. the shot with gas shield according to claim 1 produces equipment, it is characterised in that: described source nitrogen is nitrogen gas generator.
6. the shot with gas shield according to claim 2 produces equipment, it is characterised in that: described upper cover (3) and cooling pond (4) upper end open mating shapes.
7. the shot with gas shield according to claim 1 produces equipment, it is characterised in that: the Water Curtain Cooling Device (5) being erected at centrifuge (8) top for forming water curtain it is fixed with at described upper cover (3) lower surface.
8. the shot with gas shield according to claim 7 produces equipment; it is characterized in that: described Water Curtain Cooling Device (5) includes water curtain endless tube (9) and the water inlet pipe (6) of connection water source and water curtain endless tube (9), offers some hole for water sprayings (10) in the border, bottom of water curtain endless tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092092.5U CN205380269U (en) | 2016-01-30 | 2016-01-30 | Shot production facility with gas protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092092.5U CN205380269U (en) | 2016-01-30 | 2016-01-30 | Shot production facility with gas protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205380269U true CN205380269U (en) | 2016-07-13 |
Family
ID=56348080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620092092.5U Expired - Fee Related CN205380269U (en) | 2016-01-30 | 2016-01-30 | Shot production facility with gas protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205380269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623955A (en) * | 2016-12-27 | 2017-05-10 | 青岛百利达钢丸设备科技有限公司 | Centrifugal granulator with water circulation system |
| CN116904864A (en) * | 2023-09-11 | 2023-10-20 | 淄博大亚金属科技股份有限公司 | Impact-resistant long-life low-carbon cast steel pill and preparation method thereof |
-
2016
- 2016-01-30 CN CN201620092092.5U patent/CN205380269U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623955A (en) * | 2016-12-27 | 2017-05-10 | 青岛百利达钢丸设备科技有限公司 | Centrifugal granulator with water circulation system |
| CN116904864A (en) * | 2023-09-11 | 2023-10-20 | 淄博大亚金属科技股份有限公司 | Impact-resistant long-life low-carbon cast steel pill and preparation method thereof |
| CN116904864B (en) * | 2023-09-11 | 2023-12-12 | 淄博大亚金属科技股份有限公司 | Impact-resistant long-life low-carbon cast steel pill and preparation method thereof |
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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: 20160713 Termination date: 20180130 |