CN213842310U

CN213842310U - Molten iron liquid level detection device

Info

Publication number: CN213842310U
Application number: CN202023224689.6U
Authority: CN
Inventors: 田祖光; 邓力文; 周礼荣; 谢卫东; 田运辉
Original assignee: Hengyang Ramon Science & Technology Co ltd
Current assignee: Hengyang Ramon Science & Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-30
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to a detection device, in particular to a molten iron liquid level detection device, which comprises a shell and a radar body, wherein one side of the shell is provided with an opening; the radar device also comprises a baffle plate which is positioned between the radar body and the opening and is obliquely arranged, a first cavity is formed between one surface of the baffle plate, which is close to the radar body, and the shell, and a second cavity is formed between one surface of the baffle plate, which is close to the opening, and the shell; the shell is positioned on the first cavity and is provided with a first air inlet and a second air outlet respectively, the first air inlet is arranged towards one surface, close to the radar body, of the partition plate, the shell is positioned on the second cavity and is provided with a second air inlet, and the second air inlet is arranged towards one surface, close to the opening, of the partition plate; a first gas path for cooling the radar body is formed among the first gas inlet, the first cavity and the gas outlet, the accuracy of radar detection is improved, a second gas path for blowing dust is formed among the second gas inlet, the second cavity and the opening, the detection of the radar is prevented from being interfered by the smoke dust, and the accuracy of radar detection is further improved.

Description

Molten iron liquid level detection device

Technical Field

The utility model belongs to a detection device, specifically relate to a molten iron liquid level detection device.

Background

In the ferrous metallurgy industry field, because the molten iron temperature is higher (reaches 1400 ℃), can't do a comparatively accurate measurement to the molten iron height in the tank car, generally confirm the liquid level height through the visual observation, this kind of method subjectivity is strong, only can see approximate position, can't quantify, or measure the molten iron through liquid level radar, but the radar need arrange directly over the molten iron, the radar can be damaged to the heat radiation of high temperature molten iron, and the smoke and dust that the molten iron was kicked up can interfere the radar signal, and the integrated antenna emission system of radar detection end, the plastic envelope is in the sphere of plastics, can't bear high temperature, when heat radiation temperature reaches 200 ℃, the plastics sphere will melt, cause the inefficacy of radar, lead to can't carrying out accurate detection to the high temperature molten iron liquid level.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a detect more accurate molten iron liquid level detection device.

The content of the utility model comprises a shell and a radar body arranged in the shell, wherein an opening is arranged on one side of the shell, and the detection end of the radar body is arranged towards the opening; the radar device also comprises a baffle plate which is positioned between the radar body and the opening and is obliquely arranged, a first cavity is formed between one surface of the baffle plate, which is close to the radar body, and the shell, and a second cavity is formed between one surface of the baffle plate, which is close to the opening, and the shell; the casing is located and is provided with air inlet one and gas outlet on the cavity one respectively, and air inlet one sets up towards the one side that the baffle is close to the radar body, the casing is located and is provided with air inlet two on the cavity two, and air inlet two is close to open-ended one side setting towards the baffle, air inlet one and air inlet two are connected with outside air feeder.

Further, the first air inlet and the first air outlet are respectively arranged on two opposite sides of the cavity.

Furthermore, the height difference between the air outlet and the opening is larger than that between the first air inlet and the opening.

Furthermore, the second air inlet and the second air outlet are positioned on the same side of the shell.

Further, the separator is a mica plate.

Further, the surface of the housing is provided with a heat-resistant anticorrosive coating.

Furthermore, the shell is provided with a bracket, and the bracket is symmetrically arranged on the shell.

Furthermore, the shell comprises a shell framework, a lining and a shell which are arranged in sequence, and the shell framework, the lining and the shell are connected through fasteners.

Still further, the inner liner includes a plurality of sealing insulation panels disposed on an inner wall of the outer shell.

Furthermore, the shell framework is formed by connecting a plurality of angle steels.

The utility model has the advantages of simple structure, small volume and convenient installation and debugging; the interior of the shell is divided into a first cavity and a second cavity by arranging the inclined partition plate, a first air path is formed among the first air inlet, the first cavity and the air outlet, and the air forms upward cyclone under the blocking action of the inclined partition plate to cool the radar body, so that the detection result of the radar body is prevented from being influenced by the heat radiation of high-temperature molten iron, and the accuracy of radar detection is improved; and a second gas path is formed among the second gas inlet, the second cavity and the opening, and gas forms downward cyclone under the blocking action of the inclined partition plate to purge high-temperature and high-speed dust particles brought up by high-temperature iron water thermal convection, so that the dust particles are prevented from being accumulated or aggregated and slagging below the partition plate to influence the penetration of radar waves, and the accuracy of radar detection is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic flow diagram of the first gas circuit and the second gas circuit of the present invention.

In the figures, 1-stent; 2-a first air inlet; 3-a housing; 4-lining; 5-air outlet; 6-radar body; 7-a shell skeleton; 8-detection end; 9-air inlet II; 10-a separator; 11-opening; 12-Chamber one; 13-Cavity two.

Detailed Description

As shown in the accompanying drawings 1-3, the utility model discloses a casing and radar body 6, radar body 6 is fixed to be set up in the casing, be provided with opening 11 on one side of casing, the sense terminal 8 of radar body 6 sets up towards opening 11, and during the installation, opening 11 is located high temperature molten iron directly over, and radar body 6 detects the liquid level of high temperature molten iron through opening 11.

The utility model discloses still include baffle 10, baffle 10 sets up in the casing, and baffle 10 is located between radar body 6 and the opening 11 and baffle 10 is the slope setting, and baffle 10 is the casing internal partitioning for cavity one 12 and cavity two 13, specifically does, and baffle 10 is close to and forms cavity one 12 between the one side of radar body 6 and the casing, and baffle 10 is close to and forms cavity two 13 between opening 11's the one side and the casing.

The shell is provided with a first air inlet 2 and a first air outlet 5, the first air inlet 2 and the first air outlet 5 are positioned on a first cavity 12, the first air inlet 2 faces to one surface of the partition plate 10, which is close to the radar body 6, and the first air inlet 2 is connected with an external air supply device; be provided with two air inlets 9 on the casing, two 9 air inlets are located cavity two 13, and two 9 air inlets are close to the one side setting of opening 11 towards baffle 10, two 9 air inlets are connected with outside air feeder.

The utility model discloses at the during operation, through air inlet one 2 and two 9 transport gas in to cavity one 12 and cavity two 13 respectively, form gas circuit one between air inlet one 2, cavity one 12 and the gas outlet 5, form gas circuit two between air inlet two 9, cavity two 13 and the opening 11. The gas passing through the first cavity 12 and the second cavity 13 is preferably compressed air or nitrogen, more preferably nitrogen, and the cooling effect is better.

A gas path I: after the gas flows into the cavity I12 through the gas inlet I2, upward cyclone is formed under the blocking effect of the inclined partition plate 10, the whole radar body 6 is cooled, the radar body 6 is prevented from influencing a detection result due to heat radiation of high-temperature molten iron, and finally the gas flows out of the gas outlet 5, wherein the gas path I is a cooling gas path of the radar body 6; and the gas can also increase the pressure in the cavity I12 to form back pressure, so that surrounding dust cannot enter the cavity I12, the dust is isolated, and the radar body 6 is protected.

And a second gas path: after the gas flows into the second cavity 13 through the second gas inlet 9, a downward cyclone is formed under the blocking effect of the inclined partition plate 10, high-temperature high-speed dust particles brought up by the hydrothermal convection of high-temperature iron are swept, the dust particles are prevented from being accumulated or agglomerated and slag is prevented from affecting the penetration of radar waves below the partition plate 10, the detection accuracy of the radar body 6 is further improved, and the second gas path is a sweeping gas path of the partition plate 10; and the gas can also insulate hot air, so that the temperature of the partition board 10 is prevented from rising due to the heat radiation of the high-temperature molten iron, and the service life of the partition board 10 is prolonged.

The molten iron liquid level detection device provided by the utility model optimizes the whole structure, has simple structure and small volume, and is convenient to install and debug; the interior of the shell is divided into a first cavity 12 and a second cavity 13 by arranging the inclined partition plate 10, a first gas path is formed among the first gas inlet 2, the first cavity 12 and the gas outlet 5, and gas forms upward cyclone under the blocking action of the inclined partition plate 10 to cool the radar body 6, so that the detection result of the radar body 6 is prevented from being influenced by the heat radiation of high-temperature molten iron, and the accuracy of radar detection is improved; and a second gas path is formed among the second gas inlet 9, the second cavity 13 and the opening 11, and the gas forms downward cyclone under the blocking action of the inclined partition plate 10 to purge high-temperature and high-speed dust particles brought up by high-temperature hot iron water convection, so that the dust particles are prevented from being accumulated or aggregated and slagging below the partition plate 10 to influence the penetration of radar waves, and the accuracy of radar detection is further improved.

The utility model discloses in, air inlet one 2 and gas outlet 5 set up respectively on the both sides that cavity one 12 is relative, and air inlet one 2 and gas outlet 5 set up relatively, and gaseous flow is more smooth and easy. More specifically, the height difference between the air outlet 5 and the opening 11 is greater than the height difference between the air inlet one 2 and the opening 11, that is, the position of the air outlet 5 is higher than the position of the air inlet one 2, so that the path of the air path one is longer, the gas flow performance is better, and the cooling effect on the radar body 6 is better.

The utility model discloses in, two 9 air inlets and gas outlet 5 lie in the casing with one side on for overall structure is compacter.

The utility model discloses in, baffle 10 is the mica plate, and preferred HP-8 stereoplasm gold mica plate can not the separation radar signal, can be able to bear or endure 850 ℃ high temperature under the continuous service conditions, and the mica plate is chooseed for use to baffle 10 high temperature under the intermittent type service conditions, and the material of mica plate can effectively guarantee that the radar wave easily pierces through to reach accurate measuring effect.

The utility model discloses in, the surface of casing is provided with heat-resisting anticorrosive coating, preferably acrylic acid polyurethane paint, and existing good corrosion resistance can be able to bear or endure 120 ℃ high temperature again.

The utility model discloses in, be provided with support 1 on the casing, support 1 symmetry sets up on the casing, and through setting up support 1, the holistic installation of detection device of can being convenient for, wherein, preferred support 1 is provided with four, and four supports 1 set up in the relative both sides bottom of casing.

The utility model discloses in, the casing is including the casing skeleton 7, inside lining 4 and the shell 3 that set gradually, connects through the fastener between casing skeleton 7, inside lining 4 and the shell 3, and the dismouting of casing is convenient and fast more, and preferred fastener is the bolt, and heat-resisting anticorrosive coating sets up on shell 3 surface. More specifically, the housing 3 is made of a hard material, such as steel, and can prevent external impact and protect the radar body 6 inside; the lining 4 comprises a plurality of sealing heat-insulating plates arranged on the inner wall of the shell 3, the shell is sealed and heat-insulated by arranging the sealing heat-insulating plates, external heat is blocked, and the normal work of the radar body 6 is ensured, wherein the preferred sealing heat-insulating plate is an asbestos rubber plate; the shell framework 7 is formed by connecting a plurality of angle steels, and the rigidity and the strength are higher, so that the stability of the shell is better.

Claims

1. The molten iron liquid level detection device is characterized by comprising a shell and a radar body (6) arranged in the shell, wherein an opening (11) is formed in one side of the shell, and a detection end (8) of the radar body (6) is arranged towards the opening (11); the radar device is characterized by further comprising a partition plate (10) which is positioned between the radar body (6) and the opening (11) and is obliquely arranged, a first cavity (12) is formed between one surface, close to the radar body (6), of the partition plate (10) and the shell, and a second cavity (13) is formed between one surface, close to the opening (11), of the partition plate (10) and the shell; the casing is located and is provided with air inlet (2) and gas outlet (5) on cavity (12) respectively, and air inlet (2) is close to the one side setting of radar body (6) towards baffle (10), the casing is located and is provided with air inlet two (9) on cavity two (13), and air inlet two (9) are close to the one side setting of opening (11) towards baffle (10), air inlet one (2) and air inlet two (9) are connected with outside air feeder.

2. The molten iron level detecting device according to claim 1, wherein the inlet port one (2) and the outlet port (5) are respectively provided on opposite sides of the cavity one (12).

3. The molten iron level detecting apparatus according to claim 2, wherein a height difference between the outlet port (5) and the opening (11) is larger than a height difference between the inlet port one (2) and the opening (11).

4. The molten iron level detecting device according to claim 1, wherein the second inlet (9) and the outlet (5) are located on the same side of the housing.

5. The molten iron level detecting device according to claim 1, wherein the partition plate (10) is a mica plate.

6. The molten iron level detecting apparatus according to claim 1, wherein a heat-resistant and corrosion-resistant coating is provided on a surface of the housing.

7. The molten iron level detecting device according to any one of claims 1 to 6, wherein the housing is provided with a bracket (1), and the brackets (1) are symmetrically arranged on the housing.

8. The molten iron liquid level detection device according to any one of claims 1 to 6, wherein the shell comprises a shell skeleton (7), a lining (4) and a shell (3) which are arranged in sequence, and the shell skeleton (7), the lining (4) and the shell (3) are connected through fasteners.

9. The molten iron level detecting apparatus according to claim 8, wherein the inner lining (4) comprises a plurality of sealing heat insulating plates provided on an inner wall of the outer shell (3).

10. The molten iron level detecting device according to claim 8, wherein the shell frame (7) is formed by connecting a plurality of angle steels.