阅读说明：本技术 一种金属液位检测装置 (Metal liquid level detection device ) 是由 田立 肖小文 许常龙 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种金属液位检测装置,包括炼炉,检测组件,感应组件和工控机,本发明通过设置检测组件和感应组件,放射源发出的γ射线穿过炼炉,金属液位越高,NaI闪烁探测器接收到的射线强度越低,数据采集器采集NaI闪烁探测器接收的射线强度,根据射线强度计算出金属液位高度,相比采用人工进行液位检测,降低检测误差的同时,提高检测装置的安全性能；通过设置感应组件,GPRS通讯器将数据采集器采集的数据信息通过无线信号输送到工控机,便于操作人员实时监测金属液位高度,有利于操作人员根据金属液位高度进行相应的操作；通过设置屏蔽层,屏蔽层对放射源起到屏蔽作用,避免放射源的辐射穿透外壳而对操作人员的身体健康造成危害。(The invention discloses a metal liquid level detection device, which comprises a smelting furnace, a detection assembly, a sensing assembly and an industrial personal computer, wherein the detection assembly and the sensing assembly are arranged, gamma rays emitted by a radioactive source penetrate through the smelting furnace, the higher the metal liquid level is, the lower the ray intensity received by a NaI scintillation detector is, a data collector collects the ray intensity received by the NaI scintillation detector, and the metal liquid level height is calculated according to the ray intensity; by arranging the induction component, the GPRS communicator transmits data information acquired by the data acquisition unit to the industrial personal computer through a wireless signal, so that an operator can monitor the metal liquid level height in real time conveniently, and the operator can perform corresponding operation according to the metal liquid level height conveniently; through setting up the shielding layer, the shielding layer plays the shielding effect to the radiation source, avoids the radiation of radiation source to penetrate the shell and cause harm to operating personnel's healthy.)

1. The utility model provides a metal liquid level detection device which characterized in that: the metal liquid level detection device comprises a smelting furnace (1), a detection assembly (2), an induction assembly (3) and an industrial personal computer (4), wherein the detection assembly (2) is fixed below the right side of the smelting furnace (1) through a bolt; the induction component (3) is fixed below the left side of the smelting furnace (1) through bolts, and the induction component (3) is aligned with the detection component (2); the industrial personal computer (4) is installed in the monitoring room, and the industrial personal computer (4) is connected with the sensing assembly (3) through a wireless signal.

2. A metal level detecting device according to claim 1, wherein: the detection assembly (2) comprises a shell (21), a mounting plate (22), a mounting groove (23), a storage cylinder (24), a radioactive source (25) and a shielding layer (26), wherein the shielding layer (26) is fixed inside the shell (21) through bolts; the mounting groove (23) is formed in the middle of the left side of the shielding layer (26); the mounting plate (22) is welded on the left side of the shell (21), and the mounting plate (22) is fixed below the right side of the smelting furnace (1) through bolts; the storage cylinder (24) is fixed at the middle position in the mounting groove (23) through a bolt; the radioactive source (25) is arranged at the right side inside the storage cylinder (24).

3. A metal level detecting device according to claim 2, wherein: the shell (21) is made of platinum-iridium alloy; the mounting plate (22) is provided with a mounting hole; the radioactive source (25) is a cesium 137 radioactive source; the shielding layer (26) is a lead layer, and the thickness of the shielding layer (26) is 30 cm.

4. A metal level detecting device according to claim 1, wherein: the induction component (3) comprises an induction box (31), a flange plate (32), a junction box (33), a NaI scintillation detector (34), a data acquisition unit (35), a GPRS communicator (36) and a heat insulation plate (37), wherein the flange plate (32) is welded on the right side of the induction box (31); the data acquisition unit (35) is fixed above the left side in the induction box (31) through a bolt; the GPRS communicator (36) is fixed below the left side in the induction box (31) through bolts; the NaI scintillation detector (34) is fixed on the left side inside the induction box (31) through a bolt, the NaI scintillation detector (34) is located below the data acquisition unit (35), and the NaI scintillation detector (34) is aligned to the radioactive source (25); the junction box (33) is fixed on the left side inside the induction box (31) through bolts, and the junction box (33) is located between the NaI scintillation detector (34) and the GPRS communicator (36); the heat insulation plate (37) is fixed on the right side inside the induction box (31) through bolts.

5. The metal level detecting device of claim 4, wherein: the junction box (33) is connected with commercial power through a wire; the NaI scintillation detector (34) is respectively connected with the junction box (33) and the data acquisition unit (35) through wires; the data acquisition unit (35) is respectively connected with the junction box (33) and the GPRS communicator (36) through wires; the GPRS communicator (36) is connected with the industrial personal computer (4) through a wireless signal, and the GPRS communicator (36) is connected with the junction box (33) through a wire.

Technical Field

The invention relates to the technical field of steel smelting, in particular to a metal liquid level detection device.

Background

At present, when a blast furnace molten iron tank is filled with molten iron, the liquid level height of the molten iron in the tank is mostly judged by adopting a manual visual inspection method, when the molten iron tank is filled with the molten iron, because the temperature of the molten iron and the surrounding of the blast furnace molten iron outlet is very high and a large amount of dust is diffused at the blast furnace molten iron outlet, the manual visual inspection is not facilitated, the surrounding visibility is low and the visual inspection accuracy is influenced, therefore, the method for visually inspecting the liquid level height of the molten iron in the manual molten iron tank is not safe and inaccurate, the situations of molten iron overflow or low molten iron utilization rate easily occur, and a metal liquid level detection device is urgently needed to be developed, the problems are solved, and the method is convenient for market popularization and application.

The existing metal liquid level is detected manually, detection errors are large, potential safety hazards exist, the liquid level height cannot be monitored in real time, corresponding operation is not facilitated for operators according to the liquid level height, and the conveying efficiency of molten iron is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a metal liquid level detection device, which solves the problems that the existing metal liquid level is detected manually, the detection error is large, potential safety hazards exist, the liquid level height cannot be monitored in real time, corresponding operation of an operator according to the liquid level height is not facilitated, and the conveying efficiency of molten iron is reduced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a metal liquid level detection device comprises a smelting furnace, a detection assembly, an induction assembly and an industrial personal computer, wherein the detection assembly is fixed below the right side of the smelting furnace through a bolt; the induction assembly is fixed below the left side of the smelting furnace through a bolt and is aligned with the detection assembly; the industrial computer install in the monitor, and the industrial computer passes through radio signal and sensing assembly and links to each other, this industrial computer chooses for use SK17A type.

The detection assembly comprises a shell, a mounting plate, a mounting groove, a storage cylinder, a radioactive source and a shielding layer, wherein the shielding layer is fixed in the shell through a bolt; the mounting groove is formed in the middle of the left side of the shielding layer; the mounting plate is welded on the left side of the shell and is fixed below the right side of the smelting furnace through bolts; the storage cylinder is fixed in the middle of the inside of the mounting groove through a bolt; the radioactive source is arranged on the right side inside the storage cylinder.

The shell is made of platinum-iridium alloy; the mounting plate is provided with a mounting hole; the radioactive source is cesium 137 radioactive source; the shielding layer is a lead layer, and the thickness of the shielding layer is 30 cm.

The induction assembly comprises an induction box, a flange plate, a junction box, a NaI scintillation detector, a data acquisition unit, a GPRS communicator and a heat insulation plate, wherein the flange plate is welded on the right side of the induction box; the data acquisition unit is fixed above the left side in the induction box through a bolt; the GPRS communicator is fixed below the left side in the induction box through a bolt; the NaI scintillation detector is fixed on the left side inside the induction box through a bolt, and is positioned below the data acquisition unit and aligned with the radioactive source; the junction box is fixed on the left side inside the induction box through a bolt and is positioned between the NaI scintillation detector and the GPRS communicator; the heat insulation plate is fixed on the right side inside the induction box through bolts.

The junction box is connected with commercial power through a wire; the NaI scintillation detector is respectively connected with the junction box and the data acquisition unit through wires and is of a CH282-01 type; the data acquisition unit is respectively connected with the junction box and the GPRS communicator through wires, and the data acquisition unit is of a DAQM-4206 type; the GPRS communicator is connected with the industrial personal computer through a wireless signal and connected with the junction box through a wire, and the HC-05 master-slave type is selected as the GPRS communicator.

(III) advantageous effects

The invention provides a metal liquid level detection device. The method has the following beneficial effects:

(1) according to the invention, by arranging the detection component and the induction component, gamma rays emitted by the radioactive source pass through the smelting furnace, the higher the metal liquid level is, the lower the ray intensity received by the NaI scintillation detector is, the data acquisition unit acquires the ray intensity received by the NaI scintillation detector, and the metal liquid level height is calculated according to the received ray intensity, so that the indirect detection of the metal liquid level is realized.

(2) According to the invention, the induction component is arranged, and the GPRS communicator transmits data information acquired by the data acquisition unit to the industrial personal computer through a wireless signal, so that an operator can conveniently monitor the metal liquid level height in real time, the operator can conveniently perform corresponding operation according to the metal liquid level height, and the metal liquid conveying efficiency is improved.

(3) According to the invention, the shielding layer and the heat insulation plate are arranged, the shielding layer plays a role in shielding the radioactive source, the radiation of the radioactive source is prevented from penetrating the shell to cause harm to the health of operators, the heat insulation plate plays a role in heat insulation, the phenomenon of line aging of electrical elements in the sensing assembly is avoided, and the service life of the detection device is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a detection assembly of the present invention;

fig. 3 is a schematic structural diagram of the sensing assembly of the present invention.

In the figure: 1 smelting furnace, 2 detection components, 21 shells, 22 mounting panels, 23 mounting grooves, 24 storage cylinders, 25 radioactive sources, 26 shielding layers, 3 sensing components, 31 sensing boxes, 32 flange plates, 33 junction boxes, 34NaI scintillation detectors, 35 data collectors, 36GPRS communicators, 37 heat insulation plates and 4 industrial personal computers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.