CN211538997U - Cooling device for hot-rolled threaded steel bar shearing area - Google Patents
Cooling device for hot-rolled threaded steel bar shearing area Download PDFInfo
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- CN211538997U CN211538997U CN201922408406.4U CN201922408406U CN211538997U CN 211538997 U CN211538997 U CN 211538997U CN 201922408406 U CN201922408406 U CN 201922408406U CN 211538997 U CN211538997 U CN 211538997U
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Abstract
The utility model discloses a cooling device for a hot-rolled twisted steel shearing area, which comprises an upper nozzle frame beam and a lower nozzle frame beam, wherein the lower part of the upper nozzle frame beam is provided with an upper water inlet pipe with a water inlet and an upper air inlet pipe with a compressed air inlet, and a plurality of upper atomizing nozzles which are respectively communicated with the upper water inlet pipe and the upper air inlet pipe are arranged between the upper water inlet pipe and the upper air inlet pipe; the lower nozzle frame beam is respectively provided with a lower water inlet pipe with a water inlet and a lower air inlet pipe with a compressed air inlet, and a plurality of lower atomizing nozzles which are respectively communicated with the lower water inlet pipe and the lower air inlet pipe are arranged between the lower water inlet pipe and the lower air inlet pipe; the upper atomization nozzle and the lower atomization nozzle are corresponding to each other in position and opposite in spraying direction. Has the following advantages: 1. the split structure is adopted, so that the method can meet different process requirements; 2. the gas-water atomization nozzle is adopted, gas and water are respectively controlled, and the gas-water mixing effect is good; 3. the gas-water atomization nozzle is adopted, and the gas-water mixing adjusting range is large; 4. an air-water atomizing nozzle is adopted, and the cooling strength is higher than that of a pure water nozzle; 5. and the cooling mechanism is superior to pure water cooling by adopting a gas-water atomizing nozzle.
Description
Technical Field
The utility model belongs to the technical field of cooling device, a hot rolling twisted steel shearing area is with cooling device is related to.
Background
In the production of national standard hot-rolled threaded steel bars, because a hot rolling process is adopted and the production rhythm is very fast, even if the steel bars are cooled by a cooling bed, the steel temperature is still about 200-400 ℃ when the steel bars are cut to a fixed length in multiple lengths, the steel bars are obviously higher, the strength value of the steel bars is lower than the normal temperature state and is easy to deform, a shearing elbow is often generated in the shearing process, the use of downstream users is influenced, and quality objections are caused.
Disclosure of Invention
The utility model aims at providing a simple structure, reasonable in design can effectively avoid shearing the shearing elbow that the in-process appears, influence the use of low reaches user, cause the hot rolling twisted steel shearing of quality objection to use cooling device.
The utility model adopts the technical proposal that: the device includes upper and lower nozzle frame roof beam of mutual interval arrangement, and its characteristics are: the lower part of the upper nozzle frame beam is provided with an upper water inlet pipe with a water inlet and an upper air inlet pipe with a compressed air inlet, and a plurality of upper atomizing nozzles which are respectively communicated with the upper water inlet pipe and the upper air inlet pipe are arranged between the upper water inlet pipe and the upper air inlet pipe; the upper part of the lower nozzle frame beam is provided with a lower water inlet pipe with a water inlet and a lower air inlet pipe with a compressed air inlet, and a plurality of lower atomizing nozzles which are respectively communicated with the lower water inlet pipe and the lower air inlet pipe are arranged between the lower water inlet pipe and the lower air inlet pipe; the upper atomization nozzle and the lower atomization nozzle are corresponding to each other in position and opposite in spraying direction.
By adopting the structure, when in use, the upper and lower water inlet pipes and the upper and lower air inlet pipes are respectively used for inputting cooling water and compressed air through the water inlet and the compressed air inlet, the cooling water and the compressed air are mixed in the upper and lower atomizing nozzles to form atomized water, and the atomized water is respectively sprayed out from the upper and lower atomizing nozzles to cool the threaded reinforcing steel bars to be sheared, which pass between the upper and lower nozzle frame beams. The utility model has the advantages of as follows: 1. the split structure of the upper nozzle frame beam and the lower nozzle frame beam is adopted, so that the method can meet different process requirements; 2. the gas-water atomizing nozzle is adopted, gas and water are respectively controlled, gas and water are mixed in the mixing cavity of the atomizing nozzle, the mixing effect is good, and the atomizing effect after spraying is better than that of a pure water nozzle; 3. the gas-water atomization nozzle is adopted, the gas-water mixing adjusting range is large, and the adjusting range of the cooling strength can be remarkably expanded; 4. the air water atomization nozzle is adopted, under the condition of the same water yield, the cooling strength is higher than that of a pure water nozzle, the nozzle blockage rate is reduced, and the requirement on the quality of cooling water can be reduced; 5. by adopting the air-water atomizing nozzle, the cooling mechanism is better than pure water cooling during air-water atomization, the phase change heat absorption proportion of water is obviously increased, the volume of the cooler is reduced, and the requirement on the field installation space condition can be reduced. The utility model has the advantages of simple structure and reasonable design, simple manufacture, convenient operation has filled the blank of this type of device, is worth extensive popularization and application.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper nozzle frame beam of the present invention;
fig. 3 is a schematic structural view of the lower nozzle frame beam of the present invention.
Detailed Description
As shown in the figure, the utility model comprises an upper nozzle frame beam and a lower nozzle frame beam 1 and 2 which are arranged at intervals. The lower part of the upper nozzle frame beam 1 is provided with an upper water inlet pipe 6-1 with a water inlet 8 and an upper air inlet pipe 7-1 with a compressed air inlet 9, and a plurality of upper atomizing nozzles 3-1 which are respectively communicated with the upper water inlet pipe 6-1 and the upper air inlet pipe 7-1 are arranged between the upper water inlet pipe 6-1 and the upper air inlet pipe. The upper part of the lower nozzle frame beam 2 is provided with a lower water inlet pipe 6-2 with a water inlet 8 and a lower air inlet pipe 7-2 with a compressed air inlet 9, and a plurality of lower atomizing nozzles 3-2 which are respectively communicated with the lower water inlet pipe 6-2 and the lower air inlet pipe 7-2 are arranged between the lower water inlet pipe 6-2 and the lower air inlet pipe. The upper atomization nozzle 3-1 and the lower atomization nozzle 3-2 are corresponding to each other and opposite to each other in spraying direction. The upper nozzle frame beam 1 and the lower nozzle frame beam 2 are hollow frames with downward and upward openings respectively; an upper water inlet pipe 6-1 and an upper air inlet pipe 7-1 are respectively welded on two sides of the inner cavity of the upper nozzle frame beam 1; the lower water inlet pipe 6-2 and the lower air inlet pipe 7-2 are respectively welded on two sides of the inner cavity of the lower nozzle frame beam 2. The atomizing nozzle is respectively connected with the water inlet pipe and the air inlet pipe through the connecting pipe 5, and then cooling water and compressed air are input into the atomizing nozzle from the water inlet pipe and the air inlet pipe. One side of the lower nozzle frame beam 2 is connected with the lower end of a connecting rod 4, and the upper end of the connecting rod 4 is hinged to the same side end of the upper nozzle frame beam 1. By adopting the structure, the mutual position between the upper nozzle frame beam 1 and the lower nozzle frame beam 2 can be adjusted, and different working requirements are met.
Claims (4)
1. The utility model provides a hot rolling twisted steel is cooling device for sheared area, includes upper and lower nozzle frame roof beam (1, 2) of mutual interval arrangement, characterized by: an upper water inlet pipe (6-1) with a water inlet (8) and an upper air inlet pipe (7-1) with a compressed air inlet (9) are arranged at the lower part of the upper nozzle frame beam (1), and a plurality of upper atomizing nozzles (3-1) which are respectively communicated with the upper water inlet pipe (6-1) and the upper air inlet pipe (7-1) are arranged between the upper water inlet pipe (6-1) and the upper air inlet pipe (7-1); the upper part of the lower nozzle frame beam (2) is provided with a lower water inlet pipe (6-2) with a water inlet (8) and a lower air inlet pipe (7-2) with a compressed air inlet (9), and a plurality of lower atomizing nozzles (3-2) which are respectively communicated with the lower water inlet pipe (6-2) and the lower air inlet pipe (7-2) are arranged between the lower water inlet pipe (6-2) and the lower air inlet pipe (7-2); the upper atomization nozzle (3-1) and the lower atomization nozzle (3-2) are corresponding to each other in position and opposite in spraying direction.
2. The cooling apparatus for a hot-rolled threaded steel bar shearing section as claimed in claim 1, wherein: the upper nozzle frame beam and the lower nozzle frame beam (1 and 2) are hollow frames with downward and upward openings respectively; an upper water inlet pipe (6-1) and an upper air inlet pipe (7-1) are respectively welded on two sides of the inner cavity of the upper nozzle frame beam (1); the lower water inlet pipe (6-2) and the lower air inlet pipe (7-2) are respectively welded on two sides of the inner cavity of the lower nozzle frame beam (2).
3. The cooling apparatus for a hot-rolled threaded steel bar shearing section as claimed in claim 1 or 2, wherein: the atomizing nozzle is respectively connected with the water inlet pipe and the air inlet pipe through a connecting pipe (5).
4. The cooling apparatus for a hot-rolled threaded steel bar shearing section as claimed in claim 1 or 2, wherein: one side of the lower nozzle frame beam (2) is connected with the lower end of the connecting rod (4), and the upper end of the connecting rod (4) is hinged to the same side end of the upper nozzle frame beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922408406.4U CN211538997U (en) | 2019-12-27 | 2019-12-27 | Cooling device for hot-rolled threaded steel bar shearing area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922408406.4U CN211538997U (en) | 2019-12-27 | 2019-12-27 | Cooling device for hot-rolled threaded steel bar shearing area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211538997U true CN211538997U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922408406.4U Active CN211538997U (en) | 2019-12-27 | 2019-12-27 | Cooling device for hot-rolled threaded steel bar shearing area |
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| CN (1) | CN211538997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333484A (en) * | 2021-05-27 | 2021-09-03 | 安徽首矿大昌金属材料有限公司 | Technological method for improving phenomenon of shearing bend of bar hot-rolled ribbed steel bar |
| CN114178309A (en) * | 2021-11-15 | 2022-03-15 | 广州广钢新材料股份有限公司 | Controlled cooling method and device for hot-rolled ribbed steel bar |
-
2019
- 2019-12-27 CN CN201922408406.4U patent/CN211538997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333484A (en) * | 2021-05-27 | 2021-09-03 | 安徽首矿大昌金属材料有限公司 | Technological method for improving phenomenon of shearing bend of bar hot-rolled ribbed steel bar |
| CN114178309A (en) * | 2021-11-15 | 2022-03-15 | 广州广钢新材料股份有限公司 | Controlled cooling method and device for hot-rolled ribbed steel bar |
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