Infrared temperature measuring protection device for blast furnace hot blast stove and installation method

Abstract

The application discloses a blast furnace hot blast stove infrared temperature measurement protection device and mounting method, relates to the technical field of temperature measurement devices, and comprises a mechanical arm, a fixing frame is mounted at the execution end of the mechanical arm, a heat insulation plate is fixedly connected to the top of the fixing frame, a heat insulation box is fixedly connected to the rear side of the heat insulation plate, a supporting ring is fixedly connected inside the heat insulation box, a supporting sleeve is fixedly connected to one side of the supporting ring, a plurality of spiral grooves are formed in an annular array on the outer side of the supporting sleeve, a rotating sleeve ring is arranged on the outer side of the supporting sleeve, a limiting ring is rotationally connected to the inner side of the groove, a plurality of guide heads are fixedly connected in an annular array inside the rotating sleeve ring, bimetallic sheets are fixedly connected to one side of the plurality of fixing blocks, and a plurality of arc-shaped plates are arranged inside the coaming. The blast furnace hot blast stove infrared temperature measurement protection device and mounting method are favorable for automatically closing and heat-insulating the internal components of the heat insulation box in an emergency state, and improve the protection effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of temperature measuring devices, and particularly relates to an infrared temperature measuring protection device for a blast furnace hot blast stove and a mounting method. BACKGROUND

[0002] The blast furnace hot blast stove is an important equipment in the metallurgical industry for heating the air entering the blast furnace. Its function is to use the high-temperature flue gas generated by the combustion of fuel (such as coal gas, natural gas, etc.) to preheat the air, so as to improve the working efficiency and output of the blast furnace. During the operation of the blast furnace hot blast stove, regular inspection and maintenance are also needed to ensure the normal operation and safety performance of the equipment. For example, it is necessary to check the wear and tear of components such as burners, heat accumulators, and air supply pipelines, and replace damaged components in a timely manner; at the same time, it is also necessary to monitor parameters such as flue gas composition, temperature, and pressure, so as to discover and handle abnormal situations in a timely manner.

[0003] In the prior art, the infrared temperature measurement of the blast furnace hot blast stove often faces the problem of potential risks to the measuring equipment and operating personnel in the high-temperature environment. The traditional infrared temperature measurement system lacks effective temperature insulation and protection measures, which leads to the fact that the measuring equipment is easily damaged in the high-temperature environment, and the safety of the operating personnel is also difficult to guarantee. In addition, once the temperature data is abnormal, the existing system often cannot issue an alarm or take effective protection measures in a timely manner, which increases the risk of safety hazards and equipment failures. SUMMARY

[0004] The present application aims to provide an infrared temperature measurement protection device for a blast furnace hot blast stove and a mounting method, so as to solve the problems raised in the background.

[0005] In order to achieve the above object, the present application provides the following technical scheme: A blast furnace hot blast stove infrared temperature measurement protection device and installation method, including a mechanical arm, the mechanical arm executes the end installation has a fixed frame, the fixed frame top fixedly connected with a heat insulation plate, the heat insulation plate rear side fixedly connected with a heat insulation box, the heat insulation box inside fixedly connected with a support ring, the support ring one side fixedly connected with a support sleeve, the support sleeve outside annular array is provided with a plurality of spiral grooves, the support sleeve outside is equipped with a rotating sleeve ring, the rotating sleeve ring outside is provided with a groove, the groove inside rotationally connected with a limit ring, the rotating sleeve ring inside annular array fixedly connected with a plurality of guide heads, a plurality of The guide head is respectively connected in a plurality of spiral grooves and is matched with a plurality of spiral grooves, the heat insulation plate one side fixedly connected with a mounting frame, the mounting frame one side annular array fixedly connected with a plurality of fixed rods, a plurality of The fixed rod one end is fixedly connected with a fixed block, a plurality of The fixed block one side is fixedly connected with a bimetallic strip, the bimetallic strip is composed of two or more layers of metal or alloy with different thermal expansion coefficients, when the temperature changes, the deformation difference between each layer causes the bimetallic strip to bend or deform as a whole, the bimetallic strip one end fixedly connected with a push block, the limit ring outside annular array fixedly connected with a plurality of connecting blocks, the support ring outside fixedly connected with a fence, the fence inside is provided with a plurality of arc plates, a plurality of The arc plate one side is fixedly connected with a sealing pad.

[0006] Preferably, the fence inside annular array fixedly connected with a plurality of limit sleeves, a plurality of The limit sleeve inside is slidably connected with a moving rod, a plurality of The moving rod one end is respectively fixedly connected with a plurality of arc plates, a plurality of The arc plate one side is fixedly connected with a sealing pad, a plurality of The moving rod inside the limit sleeve one end is fixedly connected with a guide rod, a plurality of The guide rod is respectively penetrated through the top wall of the plurality of limit sleeves and is slidably connected with the plurality of limit sleeves, the guide rod drives the moving rod to move, thereby driving the arc plate to move.

[0007] Preferably, the fence inside rotationally connected with a rotating disc, the rotating disc inside is provided with a plurality of arc grooves, a plurality of The guide rod is respectively penetrated through the plurality of arc grooves and is slidably connected with the plurality of arc grooves, the guide rod is limited by the arc groove, thereby driving the plurality of guide rods to move.

[0008] Preferably, the rotating sleeve ring both sides are fixedly connected with a sliding sleeve, two The sliding sleeve inside is slidably connected with a sliding rod, two The sliding rod bottom is respectively fixedly connected with the rotating disc top two sides, the fence inside fixedly connected with a baffle, the baffle inside two sides are provided with a through slot, two The sliding rod bottom is respectively penetrated through two through slots and is slidably connected with two through slots, so that the rotating sleeve ring keeps synchronization with the rotating disc when it falls.

[0009] Preferably, a plurality of said arc-shaped plates are internally provided with curved grooves, a plurality of said arc-shaped plates are internally provided with elastic ropes, said elastic ropes penetrate through a plurality of curved grooves and are fixedly connected with a plurality of arc-shaped plates, a plurality of said temperature insulation cloths are fixedly connected inside said support ring, two sides of a plurality of said temperature insulation cloths are fixedly connected with a plurality of arc-shaped plates respectively, said elastic ropes penetrate through a plurality of temperature insulation cloths and are fixedly connected with a plurality of temperature insulation cloths, and a plurality of arc-shaped plates are expanded to drive the elastic ropes to be opened.

[0010] Preferably, a plurality of said push blocks are internally fixedly connected with push rods, a plurality of said push rods penetrate through a plurality of connecting blocks and are slidingly connected with a plurality of connecting blocks respectively, the deformation degrees of two metal sheets of the bimetallic strip are different after being heated, the bimetallic strip is bent, the push blocks and the push rods are moved, and the connecting blocks are moved.

[0011] Preferably, one end of said support sleeve is fixedly connected with a support cylinder, one end of said support cylinder is fixedly connected with a table plate, an infrared temperature measuring instrument is installed on one side of said table plate through bolts, a temperature measuring probe is installed on the front side of said temperature insulation plate through bolts, said temperature measuring probe and said infrared temperature measuring instrument are connected through wires, an alarm is installed on one side of said table plate through bolts, said alarm and said infrared temperature measuring instrument are electrically connected, a contact switch is fixedly connected at the bottom of said table plate, said contact switch and said alarm are connected through wires, one end of said rotating sleeve ring is in contact with said contact switch, a temperature signal detected by said temperature measuring probe is transmitted to said infrared temperature measuring instrument, and said infrared temperature measuring instrument transmits a control signal through said alarm.

[0012] Preferably, one side of the inside of said temperature insulation box is fixedly connected with a liquid storage tank, the other side of the inside of said temperature insulation box is fixedly connected with a cooling box, a temperature insulation pipe is fixedly connected between said liquid storage tank and said cooling box, one side of said liquid storage tank is fixedly connected with a first water pump, an input end of said first water pump is in communication with said liquid storage tank, one side of said cooling box is fixedly connected with a second water pump, and an output end of said second water pump is in communication with said cooling box.

[0013] Preferably, a water cooling pipe is arranged in said temperature insulation box, two ends of said water cooling pipe are respectively in communication with an output end of said first water pump and an input end of said second water pump, the cooling liquid in said liquid storage tank enters said water cooling pipe to cool the internal environment of said temperature insulation box, the cooling liquid flows into said cooling box to be cooled again, and finally reenters said liquid storage tank for recycling.

[0014] A mounting method of an infrared temperature measuring protection device for a blast furnace hot blast stove, comprising:

[0015] Step one: open the rear cover of the temperature insulation box, place the temperature measuring probe on one side of the temperature insulation plate, and pass the wire of the temperature measuring probe through the through hole in the temperature insulation plate, so that the wire passes through the center of the support sleeve and extends out of the inside of the support cylinder;

[0016] Step two: the temperature measuring probe is attached to the thermal insulation plate, and the temperature measuring probe is fixedly connected with the thermal insulation plate by using bolts;

[0017] Step three: connect the wires with the infrared thermometer, then place the infrared thermometer on one side of the table, install the infrared thermometer through the bolts, then install the alarm, and finally close the support cylinder rear cover.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] 1、The mechanical arm is connected with the fixing frame, the bottom end of the mechanical arm is installed on the electric trolley, the electric trolley and the outer side of the mechanical arm are wrapped with a thermal insulation layer to prevent damage to the internal circuit of the mechanical arm and the electric trolley, after the temperature measuring probe is installed, the mechanical arm walks and patrols in the hot blast furnace working area, the fixing frame and the thermal insulation plate are lifted to the vicinity of the hot blast furnace, the temperature of the hot blast furnace is measured by the temperature measuring probe, the high temperature is blocked by the thermal insulation plate to prevent affecting the infrared thermometer and the alarm behind the thermal insulation plate, the temperature measuring probe detects the temperature, and when the temperature exceeds the abnormal value, a signal is sent to the electric trolley, so that the trolley does not approach the heat source, and a signal is sent to the alarm, so that the alarm sends an alarm to remind the staff.

[0020] 2、If the temperature suddenly rises or the temperature measuring probe fails to measure accurate temperature data, the temperature inside the thermal insulation box continues to rise, and when the temperature inside the thermal insulation box reaches the threshold value that causes the bimetallic strip to deform, multiple bimetallic strips deform at the same time, the metal surface of the bimetallic strip with larger deformation faces the thermal insulation plate, and when the multiple bimetallic strips bend, the multiple push blocks are driven to move, and the push blocks drive the push rods to move, so that the multiple guide rods gradually move inward along the arc-shaped grooves, the multiple guide rods drive the multiple moving rods and the arc-shaped plates to move, the multiple arc-shaped plates drive the multiple sealing gaskets to move, the multiple sealing gaskets shrink inward, and the gap between the wires and the thermal insulation plate is closed, so as to close the gap between the wires and the thermal insulation plate, reduce the entry of hot air into the thermal insulation box, isolate the high temperature, improve the protection effect of the internal components of the thermal insulation box, and drive the elastic ropes to move when the multiple arc-shaped plates move inward, so that the elastic ropes shrink under the action of their own elasticity, and the elastic ropes and the multiple arc-shaped plates stretch the multiple thermal insulation cloths inward, so that the multiple thermal insulation cloths are tightly attached to the surface of the wires, thereby improving the thermal insulation effect, and facilitating automatic sealing and thermal insulation of the internal components of the thermal insulation box in an emergency state, and improving the protection effect.

[0021] 3、The first water pump is started to drive the cooling liquid in the liquid storage tank to flow into the water cooling pipe, the cooling liquid in the water cooling pipe is circulated to absorb heat and cool the inside of the thermal insulation box, the cooling liquid flows out of the water cooling pipe and enters the cooling box, the cooling box re-cools the cooling liquid, and the cooled cooling liquid re-enters the liquid storage tank for circulation. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of the insulated box of the present invention;

[0024] Figure 3 This is a schematic diagram of the internal structure of the insulated box of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the water-cooling pipe of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the insulation tube of the present invention;

[0027] Figure 6 This is a schematic diagram of the structure of the platform of the present invention;

[0028] Figure 7 This is a schematic diagram of the structure of the insulation board of the present invention;

[0029] Figure 8 This is a schematic diagram of the mounting bracket of the present invention;

[0030] Figure 9 This is a schematic diagram of the support sleeve of the present invention;

[0031] Figure 10 This is a schematic diagram of the structure of the enclosure of the present invention;

[0032] Figure 11 This is a schematic diagram of the arc-shaped plate of the present invention;

[0033] Figure 12 This is a schematic diagram of the limiting ring structure of the present invention;

[0034] Figure 13 This is a schematic diagram of the structure of the bimetallic sheet of the present invention;

[0035] Figure 14 This is a schematic diagram of the rotating collar structure of the present invention;

[0036] Figure 15 This is a schematic diagram of the structure of the sliding sleeve of the present invention;

[0037] Figure 16 This is a schematic diagram of the structure of the turntable of the present invention;

[0038] Figure 17 This is a schematic diagram of the elastic rope of the present invention.

[0039] The labels in the figure: 1, mechanical arm; 2, fixed frame; 3, temperature insulation plate; 4, temperature insulation box; 5, mounting frame; 6, support ring; 7, support sleeve; 8, helical groove; 9, rotating sleeve ring; 10, groove; 11, guide head; 12, limit ring; 13, fixed block; 14, bimetallic strip; 15, contact switch; 16, push block; 17, push rod; 18, connecting block; 19, sliding sleeve; 20, sliding rod; 21, limit sleeve; 22, moving rod; 23, arc plate; 24, gasket; 25, guide rod; 26, rotating disc; 27, arc-shaped groove; 28, baffle; 29, through groove; 30, temperature insulation cloth; 31, elastic rope; 32, curved groove; 33, infrared temperature measuring instrument; 34, support cylinder; 35, table plate; 36, temperature measuring probe; 37, alarm; 38, water cooling pipe; 39, liquid storage tank; 40, cooling box; 41, first water pump; 42, second water pump; 43, temperature insulation pipe; 44, coaming; 45, fixed rod. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] Embodiment: as Figures 1-17As shown, the present application provides a blast furnace hot blast stove infrared temperature measurement protection device and installation method technical scheme, including mechanical arm 1, mechanical arm 1 executes end installation fixed frame 2, fixed frame 2 top fixedly connected with heat insulation plate 3, heat insulation plate 3 rear side fixedly connected with heat insulation box 4, heat insulation box 4 inside fixedly connected with support ring 6, support ring 6 one side fixedly connected with support sleeve 7, support sleeve 7 outside is annular array and is provided with multiple spiral grooves 8, support sleeve 7 outside is provided with rotating sleeve ring 9, rotating sleeve ring 9 outside is provided with recess 10, recess 10 inside rotationally connected with limit ring 12, rotating sleeve ring 9 inside is annular array and is fixedly connected with multiple guide heads 11, multiple guide heads 11 are respectively slidably connected in multiple spiral grooves 8 and are adapted with multiple spiral grooves 8, heat insulation plate 3 one side fixedly connected with mounting bracket 5, mounting bracket 5 one side is annular array and is fixedly connected with multiple fixed rods 45, multiple fixed rods 45 one end are all fixedly connected with fixed block 13, multiple fixed blocks 13 one side are all fixedly connected with bimetallic strip 14, the bimetallic strip 14 is composed of two or more layers of different thermal expansion coefficient metals or alloys, when temperature changes, the deformation difference between each layer causes the bimetallic strip 14 to bend or deform, the bimetallic strip 14 one end is fixedly connected with push block 16, multiple push blocks 16 inside are all fixedly connected with push rod 17, multiple push rods 17 are respectively penetrated through multiple connecting blocks 18 and are slidably connected with multiple connecting blocks 18, so that the bimetallic strip 14 is heated and the deformation degree of the metal sheet on both sides is different, causing the bimetallic strip 14 to bend, so as to push the push block 16 and the push rod 17 to move, thereby driving the connecting block 18 to move.

[0042] Limit ring 12 outside is annular array and is fixedly connected with multiple connecting blocks 18, support ring 6 outside is fixedly connected with coaming 44, coaming 44 inside is provided with multiple arc-shaped plates 23, multiple arc-shaped plates 23 one side are all fixedly connected with sealing gasket 24, coaming 44 inside is annular array and is fixedly connected with multiple limit sleeves 21, multiple limit sleeves 21 inside are all slidably connected with moving rod 22, multiple moving rods 22 one end are respectively fixedly connected with multiple arc-shaped plates 23, multiple arc-shaped plates 23 one side are all fixedly connected with sealing gasket 24, multiple moving rods 22 inside one end are all fixedly connected with guide rod 25, multiple guide rods 25 are respectively penetrated through multiple limit sleeves 21 top wall and are slidably connected with multiple limit sleeves 21, moving rod 22 is driven to move by guide rod 25, so as to drive arc-shaped plate 23 to move, coaming 44 inside rotationally connected with rotating disc 26, rotating disc 26 inside is provided with multiple arc-shaped grooves 27, multiple guide rods 25 are respectively penetrated through multiple arc-shaped grooves 27 and are slidably connected with multiple arc-shaped grooves 27, guide rod 25 is limited by arc-shaped groove 27, so as to drive multiple guide rods 25 to move.

[0043] The rotating ring 9 is fixedly connected with the sliding sleeve 19 on both sides, the sliding sleeve 19 is slidably connected with the sliding rod 20 inside, the bottom end of the sliding rod 20 is fixedly connected with the rotating disc 26 on both sides, the baffle 28 is fixedly connected inside the surrounding plate 44, the through slot 29 is formed in the baffle 28 on both sides, and the bottom end of the sliding rod 20 penetrates through the through slot 29 and is slidably connected with the through slot 29, so that the rotating ring 9 is kept synchronous with the rotating disc 26 when descending.

[0044] The plurality of arc-shaped plates 23 are provided with the elastic rope 31 inside, the elastic rope 31 penetrates through the plurality of bend grooves 32 and is fixedly connected with the plurality of arc-shaped plates 23, the plurality of temperature insulation cloths 30 are fixedly connected inside the supporting ring 6, the plurality of temperature insulation cloths 30 are fixedly connected with the plurality of arc-shaped plates 23 on both sides, the elastic rope 31 penetrates through the plurality of temperature insulation cloths 30 and is fixedly connected with the plurality of temperature insulation cloths 30, and the plurality of arc-shaped plates 23 are expanded to drive the elastic rope 31 to be opened.

[0045] The supporting sleeve 7 is fixedly connected with the supporting barrel 34 at one end, the supporting barrel 34 is fixedly connected with the table plate 35 at one end, the infrared temperature measuring instrument 33 is installed on one side of the table plate 35 through bolts, the temperature measuring probe 36 is installed on the front side of the temperature insulation plate 3 through bolts, the temperature measuring probe 36 is connected with the infrared temperature measuring instrument 33 through wires, the alarm 37 is installed on one side of the table plate 35 through bolts, the alarm 37 is electrically connected with the infrared temperature measuring instrument 33, the contact switch 15 is fixedly connected at the bottom of the table plate 35, the contact switch 15 is connected with the alarm 37 through wires, one end of the rotating ring 9 is in contact with the contact switch 15, the temperature signal detected by the temperature measuring probe 36 is transmitted to the infrared temperature measuring instrument 33, and the infrared temperature measuring instrument 33 transmits a control signal through the alarm 37.

[0046] The liquid storage tank 39 is fixedly connected with the first water pump 41 on one side, the input end of the first water pump 41 is in communication with the liquid storage tank 39, the cooling tank 40 is fixedly connected with the second water pump 42 on one side, the output end of the second water pump 42 is in communication with the cooling tank 40, the water cooling pipe 38 is arranged inside the temperature insulation box 4, the two ends of the water cooling pipe 38 are in communication with the output end of the first water pump 41 and the input end of the second water pump 42 respectively, the cooling liquid in the liquid storage tank 39 enters the water cooling pipe 38 to cool the internal environment of the temperature insulation box 4, and the cooling liquid flows into the cooling tank 40 to be cooled again and finally reenters the liquid storage tank 39 for recycling.

[0047] In use, the mechanical arm 1 is connected with the fixing frame 2, the bottom end of the mechanical arm 1 is installed on the electric trolley, the electric trolley and the outside of the mechanical arm 1 are wrapped with a temperature insulation layer, damage to the internal circuit of the mechanical arm 1 and the electric trolley is prevented, after the temperature measuring probe 36 is installed, the mechanical arm 1 walks and patrols in the hot blast stove working area, the mechanical arm 1 lifts the fixing frame 2 and the temperature insulation plate 3 to the vicinity of the hot blast stove, the hot blast stove is measured by the temperature measuring probe 36, the high temperature is blocked by the temperature insulation plate 3, influence on the infrared temperature measuring instrument 33 and the alarm 37 behind the temperature insulation plate 3 is prevented, the temperature measuring probe 36 detects the temperature, when the temperature is abnormal, a signal is sent to the electric trolley, the trolley is not close to the heat source, a signal is sent to the alarm 37, the alarm 37 alarms, and the staff is reminded.

[0048] If the temperature suddenly rises or the temperature measuring probe 36 fails to accurately measure the temperature data, the temperature inside the temperature insulation box 4 continues to rise, and when the temperature inside the temperature insulation box 4 reaches the threshold value that causes the bimetallic strip 14 to deform, the multiple bimetallic strips 14 simultaneously deform, and the metal surface of the bimetallic strip 14 that deforms more faces the temperature insulation plate 3. When the multiple bimetallic strips 14 bend, the multiple push blocks 16 are driven to move, and the push blocks 16 drive the push rods 17 to move. Because the push rods 17 are inside the connecting blocks 18, the multiple push rods 17 simultaneously push the multiple connecting blocks 18 to move, and the multiple connecting blocks 18 drive the limiting ring 12 to move towards the temperature insulation plate 3. When the limiting ring 12 moves, it simultaneously drives the rotating sleeve ring 9 to move. When the rotating sleeve ring 9 moves, it is away from the contact switch 15, so that the contact switch 15 controls the alarm 37 to issue an alarm. The rotating sleeve ring 9 is fixedly connected with the multiple guide heads 11 inside. When the rotating sleeve ring 9 moves, it drives the multiple guide heads 11 to move. The multiple guide heads 11 slide inside the spiral groove 8, so that the multiple guide heads 11 deflect when moving along the spiral groove 8. Because the limiting ring 12 is rotationally connected with the rotating sleeve ring 9, it will not interfere. When the rotating sleeve ring 9 rotates, it drives the two sliding sleeves 19 on both sides to rotate, and the two sliding sleeves 19 drive the two slide rods 20 to rotate. When the two slide rods 20 rotate, they drive the rotating disc 26 to rotate. When the rotating disc 26 rotates, it limits and guides the multiple guide rods 25 through the multiple arc-shaped grooves 27. Thus, the multiple guide rods 25 gradually move inwards along the arc-shaped grooves 27. The multiple guide rods 25 drive the multiple moving rods 22 and the arc-shaped plates 23 to move, so that the multiple arc-shaped plates 23 drive the multiple sealing gaskets 24 to move. The multiple sealing gaskets 24 shrink inwards and fit the wires, so as to close the gap between the wires and the temperature insulation plate 3, reduce the entry of hot air into the temperature insulation box 4, isolate the high temperature, and improve the protection effect of the components inside the temperature insulation box 4. When the multiple arc-shaped plates 23 move inwards, they drive the elastic ropes 31 to move. The elastic ropes 31 shrink under the action of their own elasticity, and the elastic ropes 31 and the multiple arc-shaped plates 23 stretch the multiple temperature insulation cloths 30 inwards, so that the multiple temperature insulation cloths 30 tightly fit the surface of the wires, thereby improving the temperature insulation effect. This is conducive to automatically closing and temperature-insulating the components inside the temperature insulation box 4 in an emergency state, and improving the protection effect.

[0049] By controlling the first water pump 41 to start, the first water pump 41 transmits the cooling liquid inside the liquid storage tank 39 to the inside of the water-cooled pipe 38. The cooling liquid inside the water-cooled pipe 38 moves around to absorb heat and cool the inside of the temperature insulation box 4. After the cooling liquid flows out of the water-cooled pipe 38, it enters the inside of the cooling box 40, so that the cooling box 40 re-cools the cooling liquid. The cooled cooling liquid re-enters the inside of the liquid storage tank 39 for circulation.

[0050] A mounting method of a blast furnace hot blast stove infrared temperature measurement protection device, comprising:

[0051] Step one: open the rear cover of the temperature insulation box 4, place the temperature measuring probe 36 on one side of the temperature insulation plate 3, and pass the wire of the temperature measuring probe 36 through the through hole inside the temperature insulation plate 3, so that the wire passes through the center of the support sleeve 7 and extends out from the inside of the support cylinder 34;

[0052] Step two: adhere the temperature measuring probe 36 to the temperature insulation plate 3 and use bolts to fixedly connect the temperature measuring probe 36 and the temperature insulation plate 3;

[0053] Step three: connect the wire to the infrared temperature measuring instrument 33, then place the infrared temperature measuring instrument 33 on one side of the table plate 35, install the infrared temperature measuring instrument 33 through the bolts, then install the alarm 37, and finally close the rear cover of the support cylinder 34.

[0054] Firstly, the rear cover of the temperature insulation box 4 needs to be opened, and then the temperature measuring probe 36 assembly is placed on one side of the temperature insulation plate 3 assembly. Next, the wire of the temperature measuring probe 36 passes through the through hole inside the temperature insulation plate 3 assembly, ensuring that the wire can pass through the center of the support sleeve 7 assembly and finally extend out from the inside of the support cylinder 34 assembly; after the temperature measuring probe 36 assembly is adhered to the temperature insulation plate 3 assembly, the temperature measuring probe 36 assembly and the temperature insulation plate 3 assembly are fixedly connected by using bolts to ensure the stability of the connection; the wire is connected to the infrared temperature measuring instrument 33 assembly, and then the infrared temperature measuring instrument 33 assembly is placed on one side of the table plate 35 assembly. The infrared temperature measuring instrument 33 assembly is installed through the bolts to ensure that it is installed in place. Then, the alarm 37 assembly is installed, and finally the rear cover of the support cylinder 34 is closed, completing the entire installation process. It is convenient to install and disassemble, and it can be used with the above protective structure during work, greatly improving the safety.

[0055] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application should be defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A blast furnace hot blast stove infrared temperature measurement protection device, characterized in that: The utility model provides a kind of mechanical arm (1), the mechanical arm (1) is executed end installation is equipped with fixed frame (2), the fixed frame (2) top fixedly connected with heat insulation plate (3), the heat insulation plate (3) rear side fixedly connected with heat insulation box (4), the heat insulation box (4) inside fixedly connected with support ring (6), the support ring (6) one side fixedly connected with support sleeve (7), the support sleeve (7) outside is ring array and is equipped with multiple spiral grooves (8), the support sleeve (7) outside is equipped with rotating sleeve ring (9), the rotating sleeve ring (9) outside is equipped with recess (10), the recess (10) inboard rotationally connected with limit ring (12), the rotating sleeve ring (9) inside is ring array and is fixedly connected with multiple guide heads (11), multiple the guide head (11) is respectively slidably connected in multiple spiral grooves (8) inside and with multiple spiral grooves (8) adaptation, the heat insulation plate (3) one side fixedly connected with mounting frame (5), the mounting frame (5) one side is ring array and is fixedly connected with multiple fixed rods (45), multiple the fixed rod (45) one end is all fixedly connected with fixed block (13), multiple the fixed block (13) one side is all fixedly connected with bimetallic strip (14), the bimetallic strip (14) is composed of two or more layers of metal or alloy of different thermal expansion coefficients, when temperature changes, the deformation difference between each layer causes the overall bending or deformation of bimetallic strip (14), the bimetallic strip (14) one end fixedly connected with push block (16), the limit ring (12) outside is ring array and is fixedly connected with multiple connecting blocks (18), the support ring (6) outside is fixedly connected with fence (44), the fence (44) inside is provided with multiple arc plates (23), multiple the arc plate (23) one side is all fixedly connected with sealing pad (24), the fence (44) inside is ring array and is fixedly connected with multiple limit sleeves (21), multiple the limit sleeve (21) inside is all slidably connected with moving rod (22), multiple the moving rod (22) one end is respectively fixedly connected with multiple arc plates (23), multiple the moving rod (22) is located limit sleeve (21) inside one end and is all fixedly connected with guide rod (25), multiple the guide rod (25) is respectively penetrated through multiple limit sleeve (21) top wall and is slidably connected with multiple limit sleeve (21), the fence (44) inside rotationally connected with rotating disc (26), the rotating disc (26) inside is equipped with multiple arc grooves (27), multiple the guide rod (25) is respectively penetrated through multiple arc grooves (27) and is slidably connected with multiple arc grooves (27), the rotating sleeve ring (9) both sides are all fixedly connected with sliding sleeve (19), two the sliding sleeve (19) inside is all slidably connected with slide rod (20), two the slide rod (20) bottom is respectively fixedly connected with rotating disc (26) top both sides, multiple the push block (16) inside is all fixedly connected with push rod (17), multiple the push rod (17) is respectively penetrated through multiple connecting blocks (18) and is slidably connected with multiple connecting blocks (18),One end of the support sleeve (7) is fixedly connected with a support cylinder (34), one end of the support cylinder (34) is fixedly connected with a table plate (35), one side of the table plate (35) is provided with an infrared temperature measuring instrument (33) through bolt mounting, the front side of the temperature insulation plate (3) is provided with a temperature measuring probe (36) through bolt mounting, the temperature measuring probe (36) and the infrared temperature measuring instrument (33) are connected through wires, the wires of the temperature measuring probe (36) pass through the through hole in the inside of the temperature insulation plate (3) and make the wires pass through the center of the support sleeve (7), a plurality of arc-shaped plates (23) drive a plurality of sealing gaskets (24) to move, so that the plurality of sealing gaskets (24) shrink to the inside, and the wires are fitted.

2. The infrared temperature measurement protection device for a blast furnace hot blast stove according to claim 1, characterized in that: The baffle (28) is internally connected with the baffle (28), both sides of the baffle (28) are provided with a through slot (29), and the bottom ends of the two sliding rods (20) penetrate through the two through slots (29) and are connected with the two through slots (29) in a sliding manner.

3. The infrared temperature measurement protection device for a blast furnace hot blast stove according to claim 1, characterized in that: A plurality of the arc-shaped plates (23) are internally provided with a plurality of curved grooves (32), and a plurality of the arc-shaped plates (23) are provided with elastic ropes (31), the elastic ropes (31) penetrate through the plurality of curved grooves (32) and are fixedly connected with the plurality of arc-shaped plates (23), a plurality of the temperature insulation cloths (30) are fixedly connected inside the support ring (6), and the two sides of the plurality of temperature insulation cloths (30) are fixedly connected with the plurality of arc-shaped plates (23), the elastic ropes (31) penetrate through the plurality of temperature insulation cloths (30) and are fixedly connected with the plurality of temperature insulation cloths (30).

4. The infrared temperature measurement protection device for a blast furnace hot blast stove according to claim 1, characterized in that: The alarm (37) is electrically connected between the infrared temperature measuring instrument (33), the contact switch (15) is fixedly connected to the bottom of the table plate (35), and the contact switch (15) is connected with the alarm (37) through wires.

5. The infrared temperature measurement protection device for a blast furnace hot blast stove according to claim 1, characterized in that: The temperature insulation tank (4) is internally connected with the liquid storage tank (39) on one side, and the cooling tank (40) is fixedly connected on the other side, the temperature insulation pipe (43) is fixedly connected between the liquid storage tank (39) and the cooling tank (40), the first water pump (41) is fixedly connected to one side of the liquid storage tank (39), the input end of the first water pump (41) is communicated with the liquid storage tank (39), and the second water pump (42) is fixedly connected to one side of the cooling tank (40).

6. The infrared temperature measurement protection device for a blast furnace hot blast stove according to claim 5, characterized in that: The temperature insulation tank (4) is internally provided with a water cooling pipe (38), and the two ends of the water cooling pipe (38) are respectively communicated with the output end of the first water pump (41) and the input end of the second water pump (42).

7. A method for installing a protective device for infrared temperature measurement of a blast furnace hot blast stove, which is suitable for the protective device for infrared temperature measurement of a blast furnace hot blast stove according to any one of claims 1-6, characterized in that, It comprises: Step one: open the rear cover of the temperature insulation tank (4), place the temperature measuring probe (36) on one side of the temperature insulation plate (3), and pass the wire of the temperature measuring probe (36) through the through hole in the temperature insulation plate (3), so that the wire passes through the center of the support sleeve (7), and the wire extends out of the inside of the support cylinder (34); Step two: adhere the temperature measuring probe (36) to the temperature insulation plate (3), and fix the temperature measuring probe (36) and the temperature insulation plate (3) by using bolts; Step three: connect the wire with the infrared temperature measuring instrument (33), then place the infrared temperature measuring instrument (33) on one side of the table plate (35), install the infrared temperature measuring instrument (33) by using bolts, then install the alarm (37), and finally close the rear cover of the support cylinder (34).

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