Sewage pump of steel mill
By designing information breaking boxes, signal isolators, level transmitters, warning boxes, water pressure detection mechanisms, energy supply mechanisms and alarm generation mechanisms in the discharge pump of the steel mill, the liquid level monitoring and alarm functions are achieved, and the existing solutions are solved. The sewage pump level control relies on the motor start and stop and lack of alarms, which improves safety and equipment reliability.
Patent Information
- Application Number
- CN202420493113.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The liquid level control of the sewage pump in the existing steel rolling mill depends on the start and stop of the motor, and the components cannot start normally when the components fail, resulting in the hydraulic station being flooded, there are hidden equipment risks and lack of alarm equipment, making it difficult to detect and deal with it in a timely manner.
A sewage pump for a rolling mill was designed, including an information breaking box, a signal isolator, a liquid level transmitter, a warning box, a water pressure detection mechanism, an energy supply mechanism and an alarm generation mechanism. Through the coordinated work of these components, the liquid is realized. bit monitoring and alarm functions.
Through the liquid level monitoring and alarm functions, the risk of discharge of sewage is discovered in a timely manner, the probability of flooding is reduced, and safety is improved. The staff are reminded through alarms to further reduce the risk of flooding in sewage areas.
Smart Images
Figure CN222502032U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage pump auxiliary structures, in particular to a sewage pump for a steel rolling mill. Background Art
[0002] The sewage pit of the rolling line is mainly responsible for the collection and discharge of cooling water, oil and other fluids of the entire production line. At present, the sewage pump in the sewage pit is a set of separately controlled systems, mainly composed of switches, contactors, motors, liquid level transmitters and liquid level controllers. The start and stop of the current motor are controlled by the set value of the liquid level. When there is a problem with the transmitter, motor, contactor or other components, the installed sewage pump cannot be started normally, which will cause the hydraulic station to be flooded, and there are hidden dangers of equipment. At the same time, when the equipment has problems, there is a lack of alarm equipment, which is not convenient for the staff to discover and deal with it in time, and it is also easy to cause flooding. For this reason, a sewage pump for a steel rolling mill is proposed. Utility Model Content
[0003] The purpose of the utility model is to solve the problem that the start and stop of the current motor are controlled by the set value of the liquid level. When problems occur in the transmitter, motor, contactor or other components, the installed sewage pump cannot be started normally, which will cause the hydraulic station to be flooded and there will be equipment hidden dangers. At the same time, when problems occur in the equipment, there is a lack of alarm equipment, which is inconvenient for the staff to discover and deal with them in time, and it is also easy to cause flooding. The utility model provides a sewage pump for a steel rolling mill.
[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0005] A sewage pump for a steel rolling mill comprises a pump body, two mounting plates are fixedly mounted on the side walls of the pump body, an information disconnection box is fixedly mounted on one of the mounting plates, an information distribution mechanism is arranged in the information disconnection box, a warning box is fixedly mounted on the other mounting plate, a water inlet hole is opened on the upper side of the warning box, a water pressure detection mechanism is fixedly mounted in the warning box, an energy supply mechanism is arranged on the lower side of the water pressure detection mechanism in the warning box, and an alarm generating mechanism is installed on the bottom side wall of the warning box.
[0006] Preferably, the information distribution mechanism includes a positioning plate, the positioning plate is fixedly mounted on the inner wall of the information disconnecting box, and a signal isolator is fixedly mounted on the side wall of the positioning plate, the signal isolator is electrically connected to a liquid level transmitter, and the liquid level transmitter is embedded through the bottom side wall of the information disconnecting box, and the signal isolator is electrically connected to a transmission harness transmitted to the pump body controller and a control harness transmitted to the rolling line system.
[0007] Preferably, the water pressure detection mechanism includes a support plate, which is fixedly mounted on the inner wall of the warning box, and a pressure sensor is fixedly mounted on the support plate, a piston pressure plate is fixedly mounted on the probe of the pressure sensor, and the piston pressure plate is slidably arranged in the warning box.
[0008] Preferably, an elastic telescopic sleeve for resetting and limiting is fixedly mounted on the support plate, and one end of the elastic telescopic sleeve is fixedly mounted on the lower side wall of the piston pressure plate.
[0009] Preferably, the energy supply mechanism includes a mobile power supply, which is fixedly mounted on the inner wall of the warning box and is electrically connected to a charging wire, which passes through the side wall of the warning box and is electrically connected to the power supply of the pump body.
[0010] Preferably, the alarm generating mechanism includes an information processing control board, the information processing control board is fixedly mounted on the side wall of the warning box, a power supply wire is fixedly mounted on the warning box, a relay assembly is mounted on one end of the power supply wire, and the relay assembly is electrically connected to the information processing control board and the mobile power supply, a floating board is fixedly mounted on the other end of the power supply wire, and an alarm is fixedly mounted on the floating board, and the alarm is electrically connected to the power supply wire.
[0011] The beneficial effects of the utility model are as follows:
[0012] 1. In the utility model, by setting up components such as an information disconnection box, a signal isolator and a liquid level transmitter, the analog quantity transmitted by the liquid level transmitter is divided into two by means of a signal isolator, one is sent to the controller by means of a transmission harness, and the other is transmitted to the system on the rolling line. After the system collects the signal collected by the liquid level transmitter, it displays the liquid level and the high liquid level alarm is transmitted to the screen of the machine repair duty room, so that it is convenient for the staff to find the risk of sewage discharge in time in the duty room, reduces the probability of flooding due to untimely sewage discharge, and improves safety. When the water level continues to rise without sewage discharge, the water pressure will squeeze the piston pressure plate in the warning box, so that the piston pressure plate will slide and transmit the pressure to the pressure sensor, and then the pressure sensor will transmit the pressure to the information processing control board. When the pressure change is too large and exceeds the maximum value set by the information processing control board, the information processing control board will start the alarm with the help of a relay component, thereby reminding the staff in the sewage discharge area and further reducing the risk of flooding in the sewage discharge area. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a front view schematic diagram of the overall three-dimensional connection structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the three-dimensional connection structure of the information distribution mechanism in the utility model;
[0015] Figure 3 It is a schematic diagram of the overall three-dimensional connection structure of the test of the utility model;
[0016] Figure 4 It is a schematic diagram of the three-dimensional connection structure of the alarm generating mechanism in the utility model.
[0017] Figure numerals: 1. Pump body; 2. Mounting plate; 3. Information disconnection box; 4. Transmission harness; 5. Control harness; 6. Positioning plate; 7. Signal isolator; 8. Liquid level transmitter; 9. Warning box; 10. Water inlet; 11. Charging wire; 12. Power supply wire; 13. Floating plate; 14. Alarm; 15. Support plate; 16. Pressure sensor; 17. Elastic telescopic sleeve; 18. Piston pressure plate; 19. Mobile power supply; 20. Information processing control board. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0021] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0022] like Figure 1-4 As shown, a sewage pump for a steel rolling mill includes a pump body 1, two mounting plates 2 are fixedly mounted on the side wall of the pump body 1, an information disconnection box 3 is fixedly mounted on one of the mounting plates 2, an information distribution mechanism is arranged in the information disconnection box 3, the information distribution mechanism includes a positioning plate 6, the positioning plate 6 is fixedly mounted on the inner side wall of the information disconnection box 3, and a signal isolator 7 is fixedly mounted on the side wall of the positioning plate 6, the signal isolator 7 is electrically connected to a liquid level transmitter 8, and the liquid level transmitter 8 is embedded and installed on the bottom side wall of the information disconnection box 3, and the signal isolator 7 is electrically connected to a transmission harness 4 transmitted to the pump body 1 controller and a transmission harness 4 transmitted to the signal isolator 7. The control harness 5 of the rolling line system and the analog quantity transmitted by the liquid level transmitter 8 are divided into two by means of the signal isolator 7, and one way is sent to the controller by means of the transmission harness 4. The controller is the original equipment in the sewage pump system and is mainly used to control the operation of the pump. Therefore, it is not repeated here again. One way is transmitted to the system on the rolling line. The Beike system adopted is also the common existing technology used on the rolling line. After the system collects the signal collected by the liquid level transmitter 8, the liquid level display and high liquid level alarm are transmitted to the screen of the machine repair duty room, so as to facilitate the staff to find the sewage risk in time in the duty room, reduce the probability of flooding due to untimely sewage discharge, and improve safety.
[0023] A warning box 9 is fixedly installed on another mounting plate 2, a water inlet hole 10 is opened on the upper side of the warning box 9, and a water pressure detection mechanism is fixedly installed in the warning box 9, the water pressure detection mechanism includes a support plate 15, the support plate 15 is fixedly installed on the inner wall of the warning box 9, and a pressure sensor 16 is fixedly installed on the support plate 15, a piston pressure plate 18 is fixedly installed on the probe of the pressure sensor 16, and the piston pressure plate 18 is slidably arranged in the warning box 9, an elastic telescopic sleeve 17 for resetting and limiting is fixedly installed on the support plate 15, and one end of the elastic telescopic sleeve 17 is fixedly installed on the lower side wall of the piston pressure plate 18, the elastic telescopic sleeve 17 can limit the movement of the piston pressure plate 18, thereby preventing the piston pressure plate 18 from being subjected to excessive water pressure and causing damage to the probe of the piston pressure plate 18, thereby extending the service life of the equipment.
[0024] An energy supply mechanism is provided at the lower side of the water pressure detection mechanism in the warning box 9, and the energy supply mechanism includes a mobile power supply 19, which is fixedly mounted on the inner wall of the warning box 9, and the mobile power supply 19 is electrically connected to a charging wire 11, which passes through the side wall of the warning box 9 and is electrically connected to the power supply of the pump body 1, and an alarm generating mechanism is installed on the bottom side wall of the warning box 9, and the alarm generating mechanism includes an information processing control board 20, which is fixedly mounted on the side wall of the warning box 9, and an energy supply wire 12 is fixedly mounted on the warning box 9, and a relay is installed at one end of the energy supply wire 12. The relay assembly is electrically connected to the information processing control board 20 and the mobile power supply 19. The other end of the energy supply wire 12 is fixedly sleeved with a floating board 13, and an alarm 14 is fixedly installed on the floating board 13. The alarm 14 floats on the upper side of the sewage through the floating board 13. The alarm 14 is electrically connected to the energy supply wire 12. When the pressure change is too large and exceeds the maximum value set by the information processing control board 20, the information processing control board 20 will activate the alarm 14 with the help of the relay assembly, thereby reminding the staff in the sewage discharge area and further reducing the risk of flooding in the sewage discharge area.
[0025] In summary: when the water level in the sewage pit changes, the installed liquid level transmitter 8 will detect the change of water level, and then the analog quantity transmitted by the liquid level transmitter 8 will be divided into two with the help of the signal isolator 7. One way is sent to the controller with the help of the transmission harness 4, and the pump body 1 of the sewage pump is controlled by the controller to start working, and the other way is transmitted to the system on the rolling line. After the system collects the signal collected by the liquid level transmitter 8, the liquid level display and high liquid level alarm are transmitted to the screen of the machine repair duty room, and when the water level continues to rise without sewage discharge, the water pressure will squeeze the piston pressure plate 18 in the warning box 9, so that the piston pressure plate 18 will slide and transfer the pressure to the pressure sensor 16, and then the pressure sensor 16 will transfer the pressure to the information processing control board 20. When the pressure change is too large and exceeds the maximum value set by the information processing control board 20, the information processing control board 20 will start the alarm 14 with the help of the relay component, thereby quickly reminding the staff in the sewage discharge area through sound and light.
[0026] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A sewage pump for a steel rolling mill, characterized in that: The invention comprises a pump body (1), wherein two mounting plates (2) are fixedly mounted on the side wall of the pump body (1), wherein an information disconnection box (3) is fixedly mounted on one of the mounting plates (2), wherein an information distribution supply mechanism is arranged inside the information disconnection box (3), and a warning box (9) is fixedly mounted on the other mounting plate (2), wherein a water inlet hole (10) is provided on the upper side of the warning box (9), and a water pressure detection mechanism is fixedly mounted inside the warning box (9), wherein an energy supply mechanism is arranged on the lower side of the water pressure detection mechanism inside the warning box (9), and an alarm generating mechanism is installed on the bottom side wall of the warning box (9).
2. A sewage pump for a steel rolling mill according to claim 1, characterized in that: The information distribution mechanism comprises a positioning plate (6), the positioning plate (6) is fixedly mounted on the inner side wall of the information disconnection box (3), and a signal isolator (7) is fixedly mounted on the side wall of the positioning plate (6), the signal isolator (7) is electrically connected to a liquid level transmitter (8), and the liquid level transmitter (8) is embedded and mounted on the bottom side wall of the information disconnection box (3), and the signal isolator (7) is electrically connected to a transmission harness (4) transmitted to a pump body (1) controller and a control harness (5) transmitted to a rolling line system.
3. A sewage pump for a steel rolling mill according to claim 1, characterized in that: The water pressure detection mechanism comprises a support plate (15), the support plate (15) is fixedly mounted on the inner wall of the warning box (9), and a pressure sensor (16) is fixedly mounted on the support plate (15), a piston pressure plate (18) is fixedly mounted on the probe of the pressure sensor (16), and the piston pressure plate (18) is slidably arranged in the warning box (9).
4. A sewage pump for a steel rolling mill according to claim 3, characterized in that: An elastic telescopic sleeve (17) for resetting and limiting is fixedly mounted on the support plate (15), and one end of the elastic telescopic sleeve (17) is fixedly mounted on the lower side wall of the piston pressure plate (18).
5. A sewage pump for a steel rolling mill according to claim 1, characterized in that: The energy supply mechanism comprises a mobile power source (19), the mobile power source (19) is fixedly mounted on the inner wall of the warning box (9), and the mobile power source (19) is electrically connected to a charging wire (11), the charging wire (11) passes through the side wall of the warning box (9) and is electrically connected to the power source of the pump body (1).
6. A sewage pump for a steel rolling mill according to claim 1, characterized in that: The alarm generating mechanism comprises an information processing control board (20), the information processing control board (20) is fixedly mounted on the side wall of the warning box (9), a power supply wire (12) is fixedly mounted on the warning box (9), a relay assembly is mounted on one end of the power supply wire (12), and the relay assembly is electrically connected to the information processing control board (20) and the mobile power supply (19), a floating board (13) is fixedly mounted on the other end of the power supply wire (12), and an alarm (14) is fixedly mounted on the floating board (13), and the alarm (14) is electrically connected to the power supply wire (12).