CN219483787U - Bearing steel bar cooling device - Google Patents
Bearing steel bar cooling device Download PDFInfo
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- CN219483787U CN219483787U CN202320492384.8U CN202320492384U CN219483787U CN 219483787 U CN219483787 U CN 219483787U CN 202320492384 U CN202320492384 U CN 202320492384U CN 219483787 U CN219483787 U CN 219483787U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a bearing steel bar cooling device, and belongs to the technical field of bar cooling. The device comprises a water tank, a water inlet pneumatic valve, a water outlet pneumatic valve, a photoelectric detection device, an infrared thermometer, a pneumatic regulating valve, a pneumatic switch valve and a PLC; the PLC is respectively connected with the water inlet pneumatic valve, the water outlet pneumatic valve, the hot metal detector, the infrared thermometer, the pneumatic regulating valve and the pneumatic switch valve; the water inlet pneumatic valve and the water discharge pneumatic valve are arranged on a main pipeline of the water tank; the hot metal detector is arranged in front of the water tank; the infrared thermometer is arranged behind the water tank; the pneumatic regulating valves are arranged behind the water inlet pneumatic valve and behind the water outlet pneumatic valve; the pneumatic switch valve is arranged in front of the water tank nozzle. Solves the technical problems of uneven cooling and bending steel pile at the head in the prior art. The automatic and uniform cooling of the surface of the bar is realized, and the head of the bar is not cooled.
Description
Technical Field
The application relates to a bearing steel bar cooling device, which belongs to the technical field of bar cooling.
Background
In the rolling process of the bearing steel bar, water spraying is needed to cool down, so that the carbide net shape is less than or equal to 2.5 grade in the hot rolling state of the GCr15 phi 16-60mm bar; the carbide net shape is less than or equal to 3 grades in the hot rolling state of the GCr15 phi 61-80mm bar; the water cooling line is uniformly cooled, so that the cooling function of avoiding the head is realized, and steel piling caused by bending of the head is avoided;
at present, the on-site water tank is simple in structure, only manual water supply valves are used, the flow can only be manually adjusted each time, two water supply valves are fixed, the water distribution of each nozzle is uneven, the surface of a bar cannot be uniformly cooled, the cooling requirement of a product cannot be met, the complexity of operation and the instability of the flow are manually increased, meanwhile, the nozzles of the water tank are always in a water spraying state, namely, the bar is completely cooled from the head part to the tail part, bending can be caused after the head part is cooled, and steel stacking is caused when equipment in a channel is bumped in a subsequent channel or rolling.
In order to avoid the problem of head bending in the early stage, multiple input water tanks are selected, the water flow of each water tank is as small as possible, the head cannot be bent too much after being cooled, and the quality of the whole bar cannot meet the net-shaped requirement.
Disclosure of Invention
The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model. Its purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.
In view of the above, the utility model provides a bearing steel bar cooling device for solving the technical problems of uneven cooling and bending steel pile at the head in the prior art.
The first scheme is that the bearing steel bar cooling device comprises a water tank, a water inlet pneumatic valve, a water outlet pneumatic valve, a photoelectric detection device, an infrared thermometer, a pneumatic regulating valve, a pneumatic switch valve and a PLC; the PLC is respectively connected with the water inlet pneumatic valve, the water outlet pneumatic valve, the hot metal detector, the infrared thermometer, the pneumatic regulating valve and the pneumatic switch valve;
the water inlet pneumatic valve and the water discharge pneumatic valve are arranged on a main pipeline of the water tank;
the hot metal detector is arranged in front of the water tank;
the infrared thermometer is arranged behind the water tank;
the pneumatic regulating valve is arranged behind the water inlet pneumatic valve and behind the water outlet pneumatic valve;
the pneumatic switch valve is arranged in front of the water tank nozzle.
Preferably, the photoelectric detection device is a hot metal detector.
Preferably, a manual butterfly valve is arranged in front of the water inlet pneumatic valve and the water outlet pneumatic valve.
Preferably, a manual butterfly valve is arranged in front of the pneumatic switch valve.
Preferably, the pneumatic switch valve is an electromagnetic pneumatic switch valve.
The beneficial effects of the utility model are as follows: the utility model realizes the automatic uniform cooling of the surface of the bar, avoids the head of the bar from being rolled without cooling, and avoids the problem of steel piling caused by cooling and bending of the head; after the bar water tank is cooled, the temperature of the bar is detected at the outlet of the water tank, the closed-loop regulation function of the water supply quantity of the water tank is realized, and all water spray valves and the water spray quantity are automatically regulated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of a cooling device for a bearing steel bar;
fig. 2 is a schematic diagram of the connection of circuit elements of a cooling device for bearing steel bars.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
Example 1, description of the present embodiment with reference to fig. 1-2, a bearing steel bar cooling device, comprising a water tank, a water inlet pneumatic valve, a water outlet pneumatic valve, a hot metal detector, an infrared thermometer, a pneumatic control valve, a pneumatic switch valve and a PLC; the PLC is respectively connected with the water inlet pneumatic valve, the water outlet pneumatic valve, the hot metal detector, the infrared thermometer, the pneumatic regulating valve and the pneumatic switch valve;
the water inlet pneumatic valve and the water outlet pneumatic valve are arranged on the main pipeline of the water tank and are used for controlling water inlet and water outlet of the water tank;
the hot metal detector is arranged in front of the water tank and is used for detecting bars;
the infrared thermometer is arranged behind the water tank and is used for detecting the surface temperature of the bar;
the pneumatic regulating valve is arranged behind the water inlet pneumatic valve and behind the water outlet pneumatic valve and used for controlling the opening sizes of the water inlet control valve and the water outlet pneumatic valve;
the pneumatic switch valve is arranged in front of the water tank nozzle and used for controlling the switch of the water tank nozzle.
The photoelectric detection device is a hot metal detector.
The manual butterfly valve is arranged in front of the water inlet pneumatic valve and the water outlet pneumatic valve, so that the switching between manual control and automatic control during water inlet and water outlet can be realized.
A manual butterfly valve is arranged in front of the pneumatic switch valve, so that the manual switch of the water tank nozzle can be realized.
The pneumatic switch valve is an electromagnetic pneumatic switch valve.
The working principle of the utility model is as follows:
the method comprises the steps of measuring distances S1, S2 and S3 from each heat probe to the outlet of a water tank, inputting a control picture according to the speed of a rolled piece, enabling all nozzle valves of the water tank to be in a closed state before the rolled piece reaches the water tank, enabling a main pipeline water inlet pneumatic valve to be in an open water supply state, enabling a water draining pneumatic valve to be in an open water draining state, transmitting a signal to a PLC when the rolled piece is detected by a hot metal detector, enabling the PLC to automatically calculate the time that the head of a rolled bar reaches the outlet of the water tank, enabling 6 nozzle switch valves of the water tank to be fully opened after the time passes, simultaneously enabling the water draining pneumatic valve to be closed, enabling all water to be fully used for bar cooling, transmitting the signal to the PLC when the rolled piece is not detected by the hot metal detector, enabling the PLC to automatically calculate the time that the tail of the rolled bar reaches the outlet of the water tank, enabling the water tank to be in the water draining state, and completing the process that the head of the bar is not cooled, namely red head rolling.
The pneumatic switch valve is used for controlling the switch of the nozzles in the water tank, the pneumatic control valve controls the total flow of the main pipe, so that the opening degree of the 6 nozzles is the same, the water distribution is uniform, the data of the surface temperature of the bar detected by the infrared thermometer is transmitted to the PLC, the set temperature required by the process is compared with the actual temperature, the PID parameters are adjusted, when the detected temperature is lower than the set temperature, the control valve is automatically turned off, the water flow is reduced, and when the detected temperature is higher than the set temperature, the control valve is automatically turned on, so that the temperature closed-loop control is realized. The regulating valve is automatically closed, the water flow is reduced, and when the detected temperature is higher than the set temperature, the regulating valve is automatically opened, so that the temperature closed-loop control is realized. The automatic closing and adjusting functions are realized, the original manual adjustment is replaced, and the automatic adjustment is completely realized.
While the utility model has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of the above description, will appreciate that other embodiments are contemplated within the scope of the utility model as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The disclosure of the present utility model is intended to be illustrative, but not limiting, of the scope of the utility model, which is defined by the appended claims.
Claims (5)
1. The bearing steel bar cooling device is characterized by comprising a water tank, a water inlet pneumatic valve, a water outlet pneumatic valve, a photoelectric detection device, an infrared thermometer, a pneumatic regulating valve, a pneumatic switch valve and a PLC; the PLC is respectively connected with the water inlet pneumatic valve, the water outlet pneumatic valve, the photoelectric detection device, the infrared thermometer, the pneumatic regulating valve and the pneumatic switch valve;
the water inlet pneumatic valve and the water discharge pneumatic valve are arranged on a main pipeline of the water tank;
the photoelectric detection device is arranged in front of the water tank;
the infrared thermometer is arranged behind the water tank;
the pneumatic regulating valve is arranged behind the water inlet pneumatic valve and behind the water outlet pneumatic valve;
the pneumatic switch valve is arranged in front of the water tank nozzle.
2. The bearing steel bar cooling device according to claim 1, wherein the photoelectric detection device is a thermal metal detector.
3. The bearing steel bar cooling device according to claim 2, wherein a manual butterfly valve is arranged in front of the water inlet pneumatic valve and the water outlet pneumatic valve.
4. The bearing steel bar cooling device according to claim 2, wherein a manual butterfly valve is arranged in front of the pneumatic switching valve.
5. The bearing steel bar cooling device according to claim 2, wherein the pneumatic switching valve is an electromagnetic pneumatic switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320492384.8U CN219483787U (en) | 2023-03-14 | 2023-03-14 | Bearing steel bar cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320492384.8U CN219483787U (en) | 2023-03-14 | 2023-03-14 | Bearing steel bar cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219483787U true CN219483787U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320492384.8U Active CN219483787U (en) | 2023-03-14 | 2023-03-14 | Bearing steel bar cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219483787U (en) |
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2023
- 2023-03-14 CN CN202320492384.8U patent/CN219483787U/en active Active
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