Water temperature difference monitoring and early warning device

Abstract

The utility model relates to the technical field of blast furnace ironmaking, in particular to a water temperature difference monitoring and early warning device, which adopts the technical scheme that the water temperature difference monitoring and early warning device comprises a fixed plate, a lifting box and a mounting plate, the fixed plate is L-shaped, the lifting box is mounted at the upper end of the fixed plate, an alarm and a PLC (Programmable Logic Controller) are arranged at the rear end of the lifting box, and the PLC is positioned below the alarm; a threaded rod is rotatably mounted in the lifting box, a movable block is mounted on the threaded rod in a threaded manner, a fixed rod is mounted at the front end of the movable block, the mounting plate is mounted at the tail end of the fixed rod, an infrared temperature detector and a contact type molten iron thermodetector are arranged at the lower end of the mounting plate, and the infrared temperature detector and the contact type molten iron thermodetector are symmetrically distributed; the contact type molten iron thermodetector comprises a detection head, and the detection head is located at the lower end of the contact type molten iron thermodetector. The device has the advantages that the accuracy of molten iron temperature detection is ensured, the molten iron temperature is monitored in real time, and the molten iron temperature can be conveniently and timely controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace ironmaking, in particular to a water temperature difference monitoring and early warning device. Background Art

[0002] Molten iron is one of the important intermediate products in the steel production process, and its temperature has a crucial impact on the quality and efficiency of subsequent processes. Therefore, in the steel production process, how to control the temperature of molten iron has become an important technical problem. In the blast furnace process in the iron and steel industry, the temperature of molten iron is an important management indicator.

[0003] At present, it is impossible to monitor the molten iron temperature in real time. The method of regularly detecting the molten iron temperature is adopted. When the temperature difference of the molten iron changes greatly, it is not conducive to timely control of the molten iron temperature. Moreover, the position of the molten iron temperature detector is fixed and cannot be adjusted, and the accuracy of the molten iron detection cannot be guaranteed. Utility Model Content

[0004] The purpose of the utility model is to provide a water temperature difference monitoring and early warning device, which has the advantages of ensuring the accuracy of molten iron temperature detection, and real-time monitoring of molten iron temperature, conveniently and timely controlling the molten iron temperature, thereby solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water temperature difference monitoring and early warning device, comprising a fixed plate, a lifting box and a mounting plate, the fixed plate is arranged in an L shape, the lifting box is installed at the upper end of the fixed plate, an alarm and a PLC controller are arranged at the rear end of the lifting box, the PLC controller is located below the alarm, a threaded rod is rotatably installed in the lifting box, a movable block is threadedly installed on the threaded rod, a fixed rod is installed at the front end of the movable block, the mounting plate is installed at the end of the fixed rod, an infrared temperature detector and a contact-type molten iron thermometer are arranged at the lower end of the mounting plate, the infrared temperature detector and the contact-type molten iron thermometer are symmetrically distributed, and the contact-type molten iron thermometer includes a detection head, and the detection head is located at the lower end of the contact-type molten iron thermometer.

[0006] When using the water temperature difference monitoring and early warning device of the utility model,

[0007] The utility model is installed on the side end of a smelting blast furnace through a fixing plate, and an infrared temperature detector and a contact-type molten iron thermometer are located above the molten iron. The threaded rod can be rotated by driving a driving device according to the height of the molten iron, and the contact-type molten iron thermometer can be moved up and down with the cooperation of a movable block. The height of the contact-type molten iron thermometer can be adjusted to make the detection head contact the molten iron. The molten iron temperature can be directly detected by the contact-type molten iron thermometer, and the molten iron temperature can be detected by infrared by the infrared temperature detector. When the temperature difference of the molten iron temperature is too large, the alarm can sound an alarm to remind the staff.

[0008] Preferably, a mounting hole is opened at a side end of the fixing plate, and two mounting holes are provided, and the two mounting holes are distributed in an array with respect to the fixing plate.

[0009] Preferably, a driving device is installed at the upper end of the lifting box, and the main shaft of the driving device is connected to the axis of the threaded rod.

[0010] Preferably, a movable opening is provided at the front end of the lifting box, and the fixing rod extends out of the lifting box from the movable opening.

[0011] Preferably, the PLC controller is electrically connected to the alarm, the driving device, the infrared temperature detector and the contact-type molten iron temperature meter respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the height of the temperature detector can be adjusted so that the detection head of the contact-type molten iron thermometer can be in contact with the molten iron, and the molten iron temperature can be monitored by the contact-type molten iron thermometer and the infrared temperature detector at the same time, which can ensure the accuracy of the molten iron temperature and monitor it in real time. When the temperature difference of the molten iron is too large, an alarm can be issued to remind the staff, so as to facilitate and timely control of the molten iron temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0015] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0016] The reference numerals and names in the figures are as follows:

[0017] 101. Fixed plate; 102. Mounting hole; 201. Lifting box; 202. Movable opening; 203. PLC controller; 204. Alarm; 205. Driving device; 206. Fixed rod; 207. Threaded rod; 208. Movable block; 301. Mounting plate; 302. Infrared temperature detector; 303. Contact molten iron temperature meter; 304. Detection head. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figures 1 to 3 The utility model provides an embodiment: a water temperature difference monitoring and early warning device, comprising:

[0021] A fixed plate 101, a lifting box 201 and a mounting plate 301, wherein the fixed plate 101 is arranged in an L shape, the lifting box 201 is installed at the upper end of the fixed plate 101, an alarm 204 and a PLC controller 203 are arranged at the rear end of the lifting box 201, and the PLC controller 203 is located below the alarm 204, a threaded rod 207 is rotatably installed in the lifting box 201, a movable block 208 is threadedly installed on the threaded rod 207, a fixed rod 206 is installed at the front end of the movable block 208, the mounting plate 301 is installed at the end of the fixed rod 206, an infrared temperature detector 302 and a contact-type molten iron thermometer 303 are arranged at the lower end of the mounting plate 301, the infrared temperature detector 302 and the contact-type molten iron thermometer 303 are symmetrically distributed, and the contact-type molten iron thermometer 303 includes a detection head 304, and the detection head 304 is located at the lower end of the contact-type molten iron thermometer 303.

[0022] In this embodiment, a control program is written into the PLC controller 203, and the equipment in the utility model is controlled by the PLC controller 203. During use, the utility model is installed on the side end of the smelting blast furnace through the fixing plate 101, and the infrared temperature detector 302 and the contact molten iron thermometer 303 are located above the molten iron. The threaded rod 207 can be rotated by the driving device 205 according to the height of the molten iron, and the contact molten iron thermometer 303 can be moved up and down with the cooperation of the movable block 208. The height of the contact molten iron thermometer 303 can be adjusted so that the detection head 304 contacts the molten iron. The molten iron temperature can be directly detected by the contact molten iron thermometer 303, and the molten iron temperature can be detected by infrared by the infrared temperature detector 302. When the temperature difference of the molten iron temperature is too large, the alarm 204 can alarm to prompt the staff.

[0023] Furthermore,

[0024] A mounting hole 102 is formed at a side end of the fixing plate 101 . Two mounting holes 102 are provided and are distributed in an array with respect to the fixing plate 101 .

[0025] Furthermore,

[0026] The upper end of the lifting box 201 is provided with a driving device 205, and the main shaft of the driving device 205 is connected to the axis of the threaded rod 207. The driving device 205 can make the threaded rod 207 rotate clockwise or counterclockwise, and the threaded rod 207 can make the movable block 208 move up and down when the clockwise or counterclockwise rotation of the threaded rod 207 is performed.

[0027] Furthermore,

[0028] The front end of the lifting box 201 is provided with a movable opening 202, and the fixing rod 206 extends out of the lifting box 201 from the movable opening 202. The setting of the movable opening 202 can facilitate the fixing rod 206 to move up and down.

[0029] Furthermore,

[0030] The PLC controller 203 is electrically connected to the alarm 204 , the driving device 205 , the infrared temperature detector 302 and the contact-type molten iron temperature measuring instrument 303 , respectively.

[0031] The PLC controller 203, alarm 204, drive device 205, infrared temperature detector 302 and contact-type molten iron temperature meter 303 in the utility model are well-known devices, and their working principles and circuit connections are well known to technicians in the field, and are conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A water temperature difference monitoring and early warning device, comprising a fixing plate (101), a lifting box (201) and a mounting plate (301), characterized in that: The fixed plate (101) is arranged in an L shape, the lifting box (201) is installed at the upper end of the fixed plate (101), an alarm (204) and a PLC controller (203) are arranged at the rear end of the lifting box (201), the PLC controller (203) is located below the alarm (204), a threaded rod (207) is rotatably installed in the lifting box (201), a movable block (208) is threadedly installed on the threaded rod (207), and a movable block (208) is installed at the front end of the movable block (208) A fixing rod (206) is provided, the mounting plate (301) is mounted on the end of the fixing rod (206), an infrared temperature detector (302) and a contact-type molten iron temperature measuring instrument (303) are arranged at the lower end of the mounting plate (301), the infrared temperature detector (302) and the contact-type molten iron temperature measuring instrument (303) are symmetrically distributed, and the contact-type molten iron temperature measuring instrument (303) includes a detection head (304), and the detection head (304) is located at the lower end of the contact-type molten iron temperature measuring instrument (303).

2. A water temperature difference monitoring and early warning device according to claim 1, characterized in that: A mounting hole (102) is provided at a side end of the fixing plate (101), two mounting holes (102) are provided, and the two mounting holes (102) are distributed in an array with respect to the fixing plate (101).

3. A water temperature difference monitoring and early warning device according to claim 1, characterized in that: A driving device (205) is installed at the upper end of the lifting box (201), and the main shaft of the driving device (205) is connected to the axis of the threaded rod (207).

4. A water temperature difference monitoring and early warning device according to claim 1, characterized in that: The front end of the lifting box (201) is provided with a movable opening (202), and a fixing rod (206) extends out of the lifting box (201) from the movable opening (202).

5. A water temperature difference monitoring and early warning device according to claim 1, characterized in that: The PLC controller (203) is electrically connected to the alarm (204), the driving device (205), the infrared temperature detector (302) and the contact-type molten iron temperature measuring instrument (303) respectively.

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