Maintenance protection device in calcium carbide furnace

Abstract

The invention discloses a calcium carbide furnace internal maintenance protection device which comprises a heat insulation bottom plate, four support bases are fixed to the four corners of the heat insulation bottom plate, supports are rotatably mounted in the support bases, five square mounting frames are detachably mounted among the four supports through mounting pins, pleated heat insulation panels are movably mounted in the mounting frames, and the pleated heat insulation panels are movably mounted in the mounting frames. The pleated heat insulation panel is transversely or longitudinally mounted; the five pleated heat insulation panels and the heat insulation bottom plate arranged at the bottom can define a hollow box body which can be opened in any direction except the bottom, and the hollow box body is used for accommodating, insulating heat and protecting human bodies during maintenance in the calcium carbide furnace; according to the invention, the box body made of the heat insulation layer is arranged, so that people can be prevented from being scalded when being maintained in the box body; meanwhile, each pleated heat insulation panel arranged on the periphery is square, can be transversely or longitudinally installed and can be pulled open from four directions, and during maintenance, a maintainer can select a proper panel and pull open the pleated heat insulation panels according to the maintenance position to carry out maintenance.

Description

Technical Field

[0001] The invention relates to the technical field of maintenance inside a calcium carbide furnace, and in particular to a maintenance protection device inside a calcium carbide furnace. Background Art

[0002] Calcium carbide furnaces are used in calcium carbide production. Water leaks and other problems often occur in calcium carbide furnaces, and it is necessary to enter the furnaces for welding and maintenance.

[0003] However, the temperature inside the calcium carbide furnace is relatively high, and the bottom is loose. The current protective measure taken by maintenance personnel when entering for maintenance is to wear protective clothing. However, wearing protective clothing is not only bulky and affects maintenance operations, but the bottom of the calcium carbide furnace is loose and easy to slip or dent, making it difficult for maintenance personnel to stand firmly. Summary of the invention

[0004] The main purpose of the present invention is to provide a maintenance protection device inside a calcium carbide furnace, aiming to solve the technical problem of the prior art that the temperature inside the calcium carbide furnace is high and maintenance personnel are easily scalded.

[0005] To achieve the above-mentioned purpose, the present invention provides a maintenance protection device in a calcium carbide furnace, comprising: a heat-insulating bottom plate, four bracket seats are fixed at the four corners of the heat-insulating bottom plate, brackets are rotatably installed in the bracket seats, five installation frames are detachably installed between the four brackets through installation pins, the installation frames are square, pleated heat-insulating panels are movably installed in the installation frames, and the pleated heat-insulating panels are installed horizontally or vertically; The five pleated heat-insulating panels and the heat-insulating bottom plate arranged at the bottom can enclose a hollow box body which can be opened in any direction except the bottom, and is used for accommodating, insulating and protecting the human body during maintenance in the calcium carbide furnace; The heat-insulating bottom plate is made of a silicate aluminum plate, and the pleated heat-insulating panel is a honeycomb-shaped pleated heat-insulating panel made of heat-insulating cotton.

[0006] Furthermore, at least three fixing nuts are provided on the heat-insulating bottom plate, and a height-adjustable leveling screw is installed inside the fixing nut. The top of the leveling screw is provided with an adjustment handle, and the bottom end is rotatably provided with a support pad for adjusting the flatness of the heat-insulating bottom plate; The height of the support pad is smaller than the thickness of the heat insulation bottom plate.

[0007] Furthermore, a turntable is provided at the bottom of the bracket, a U-shaped groove is provided in the bracket seat, the turntable is rotatably installed in the U-shaped groove, three turntable pin holes with an angular distance of degrees are provided on the turntable, and a support pin hole is provided on the bracket seat. The bracket can be vertically fixed or horizontally fixed by the turntable pin hole, the support pin hole and the limit pin.

[0008] Furthermore, the bracket is a hollow rectangular tube, the mounting pin is provided with a limiting ring inside the bracket, a spring is sleeved between the limiting ring and the mounting pin pull ring, and the length of the mounting pin is greater than the width of the bracket.

[0009] Furthermore, the bracket is provided with a side frame groove adapted to the installation frame, and the installation frame is movably installed in the side frame groove; Each of the installation frames is provided with a pin hole adapted to the installation pin, and each of the installation frames is detachably embedded through at least three installation pins.

[0010] Furthermore, a pad is installed between the brackets, and a bottom frame groove adapted to the installation frame is provided on the pad, and the installation frame is also embedded in the bottom frame groove.

[0011] Furthermore, the installation frame is provided with a convex groove, and the pleated heat insulation panel can be pulled and installed in the convex groove by a roller; The pleated heat-insulating panel is hung on the roller via a hanging ring.

[0012] Furthermore, a waist-shaped groove is provided on the inner side wall of the installation frame, a fastening pin is installed in the waist-shaped groove between the rollers at both ends, a spring stopper is provided on the fastening pin, and a fastening spring is installed at the fastening pin located between the spring stopper and the waist-shaped groove.

[0013] Furthermore, a cooling fan and a wireless alarm switch are installed in the box, and the wireless alarm switch is electrically connected to the external alarm.

[0014] Furthermore, a handle is provided on the bottom plate. The beneficial effects of the present invention are embodied in: In the present invention, a box body made of a heat-insulating layer is provided, and a person can be located inside it during maintenance to avoid being scalded or hit; at the same time, each pleated heat-insulating panel arranged around is square, can be installed horizontally or vertically, and can be pulled open from four directions. During maintenance, the maintenance personnel can select a suitable panel according to the maintenance position, and can carry out maintenance by pulling open the pleated heat-insulating panel, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the bracket of the present invention; Figure 2 This is a schematic diagram of the structure of the pleated heat insulation panel of the present invention when it is installed vertically; Figure 3 This is a schematic diagram of the structure of the pleated heat insulation panel of the present invention when it is installed horizontally; Figure 4 It is a schematic diagram of the structure of the support assembly and the balance assembly of the present invention; Figure 5 for Figure 4 Enlarged view of point A in the middle; Figure 6 It is a schematic diagram of the structure of the pleated insulation panel assembly of the present invention; Figure 7 for Figure 6 Enlarged view of point B in the middle; Figure 8 for Figure 6 Enlarged view of point C in the middle; Fig. 9 It is a schematic diagram of the structure of the fan and alarm assembly of the present invention.

[0016] Description of reference numerals: 1. Insulation base plate, 1a. Handle, 2. Bracket seat, 3. Bracket, 3a. Side frame slot, 3b. Turntable, 4. Mounting frame, 4a. Convex slot, 5. Pleated insulation panel, 6. Mounting pin, 7. Limit pin, 8. Pad, 8a. Bottom frame slot, 9. Leveling screw, 10. Fixing nut, 11. Support pad, 13. Adjustment handle, 14. Limit ring, 15. Spring, 16. Roller, 17. Hanging ring, 18. Cooling fan, 19. Wireless alarm switch, 20. External alarm, 21. Fastening pin, 22. Fastening spring, 23. Spring baffle. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that A and B meet at the same time. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist.

[0020] See also Figures 1 to 9 The present invention provides a maintenance protection device for a calcium carbide furnace, comprising: a heat-insulating bottom plate 1, four bracket seats 2 are fixed at the four corners of the heat-insulating bottom plate 1, brackets 3 are rotatably installed in the bracket seats 2, five installation frames 4 are detachably installed between the four brackets 3 through installation pins 6, the installation frames 4 are square, pleated heat-insulating panels 5 are movably installed in the installation frames 4, and the pleated heat-insulating panels 5 are installed horizontally or vertically; The five pleated heat-insulating panels 5 and the heat-insulating bottom plate 1 arranged at the bottom can enclose a hollow box body which can be opened in any direction except the bottom, and is used for accommodating, insulating and protecting the human body during maintenance in the calcium carbide furnace; The insulation bottom plate 1 is made of a silicate aluminum plate, and the pleated insulation panel 5 is a honeycomb pleated insulation panel made of insulation cotton.

[0021] It should be noted that the honeycomb pleated insulation panel can be customized in the market, and the insulation cotton can be processed into pleated curtains. Whether it needs to be installed horizontally or vertically is determined according to actual needs. If it needs to be pulled open from the left or right, it should be installed vertically; if it needs to be pulled open from the top or bottom, it should be installed horizontally.

[0022] How it works Step 1 Move the whole unit to the position in the calcium carbide furnace that needs to be repaired, then pull out the limit pin, erect the bracket, and insert the limit pin to fix the bracket; Step 2 Install five pleated insulation panels on the brackets using mounting pins; Step 3 Pull open the pleated insulation panel from any direction, enter the box, and start the fan at the same time; Step 4 Observe whether the insulation base plate is level. If it is not level, turn the adjusting screw on the shorter side. Move the adjusting screw downward to push out the support pad and lift up the shorter side to achieve leveling. Step 5 Pull open the pleated insulation panel closest to the inspection point for inspection; Step 6 After the inspection is completed, pull open the pleated insulation panel from the nearest to the calcium carbide furnace door, then leave and take out the device, pull the installation pins in sequence, remove the pleated insulation panel; pull out the limit pin and put down the bracket; Step 7 When there is an emergency in the furnace and you need help, you can press the wireless alarm switch to sound the alarm.

[0023] In some embodiments, see Figure 4 As shown, the heat insulation bottom plate 1 is provided with at least three fixing nuts 10, and a height-adjustable adapted leveling screw 9 is installed inside the fixing nut 10. The top of the leveling screw 9 is provided with an adjusting handle 13, and the bottom end is rotatably provided with a supporting pad 11 for adjusting the flatness of the heat insulation bottom plate 1; The height of the support pad 11 is less than the thickness of the heat-insulating bottom plate 1. With such a design, when the heat-insulating bottom plate is placed in a loose calcium carbide furnace, there will be some depressions, and the leveling screw can be turned at the depressed places to perform leveling.

[0024] In some embodiments, see Figure 4 As shown, the bottom of the bracket 3 is provided with a turntable 3b, the bracket seat 2 is provided with a U-shaped groove, the turntable 3b is rotatably installed in the U-shaped groove, the turntable 3b is provided with three turntable pin holes with an angular distance of 90 degrees, the bracket seat 2 is provided with a support pin hole, and the bracket 3 can be fixed vertically or horizontally through the turntable pin hole, the support pin hole and the limit pin 7. This makes it easy to erect and put down the bracket.

[0025] In some embodiments, see Figure 5 As shown, the bracket 3 is a hollow rectangular tube, the mounting pin 6 is located inside the bracket 3 and is provided with a limiting ring 14, a spring 15 is installed between the limiting ring 14 and the pulling ring of the mounting pin 6, and the length of the mounting pin 6 is greater than the width of the bracket 3.

[0026] In some embodiments, see Figure 4 As shown, the bracket 3 is provided with a side frame groove 3a adapted to the mounting frame 4, and the mounting frame 4 is movably mounted in the side frame groove 3a; Each of the mounting frames 4 is provided with a pin hole adapted to the mounting pin 6, and each of the mounting frames 4 is detachably engaged by at least three mounting pins 6. This facilitates the disassembly, assembly and replacement of the pleated insulation board panel.

[0027] In some embodiments, see Figure 1 and 2 As shown, a backing plate 8 is installed between the brackets 3, and a bottom frame groove 8a adapted to the installation frame 4 is provided on the backing plate 8, and the installation frame 4 is also embedded in the bottom frame groove 8a.

[0028] In some embodiments, see Figure 6 and 7 As shown, the installation frame 4 is provided with a convex groove 4a, and the pleated insulation panel 5 can be pulled and installed in the convex groove 4a by a roller 16; The pleated heat-insulating panel 5 is hung on the roller 16 via a hanging ring 17 .

[0029] In some embodiments, see Figure 6 and 8 As shown, a waist-shaped groove is provided on the inner wall of the installation frame 4, and a fastening pin 21 is installed in the waist-shaped groove between the rollers 16 at both ends, and a spring stopper 23 is provided on the fastening pin 21. A fastening spring 22 is installed at the fastening pin 21 between the spring stopper 23 and the waist-shaped groove. This design makes it easy to fix the pleated insulation panel at any position.

[0030] In some embodiments, see Fig. 9 As shown, a cooling fan 18 and a wireless alarm switch 19 are installed in the box, and the wireless alarm switch 19 is electrically connected to the external alarm 20.

[0031] In some embodiments, see Figure 1 As shown, the base plate 1 is provided with a handle 1a.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A maintenance protection device for a calcium carbide furnace, characterized in that ,include: A heat-insulating base plate (1), wherein four bracket seats (2) are fixed at the four corners of the heat-insulating base plate (1), a bracket (3) is rotatably mounted in the bracket seat (2), five mounting frames (4) are detachably mounted between the four brackets (3) via mounting pins (6), the mounting frames (4) are square, and pleated heat-insulating panels (5) are movably mounted in the mounting frames (4), and the pleated heat-insulating panels (5) are mounted horizontally or vertically; The five pleated heat-insulating panels (5) and the heat-insulating bottom plate (1) arranged at the bottom can enclose a hollow box body that can be opened in any direction except the bottom, and is used to accommodate, insulate and protect the human body during maintenance in the calcium carbide furnace; The heat-insulating bottom plate (1) is made of a silicate aluminum plate, and the pleated heat-insulating panel (5) is a honeycomb-shaped pleated heat-insulating panel made of heat-insulating cotton.

2. A maintenance protection device for a calcium carbide furnace as claimed in claim 1, characterized in that: The heat-insulating bottom plate (1) is provided with at least three fixing nuts (10), and a height-adjustable leveling screw (9) is installed inside the fixing nut (10). The leveling screw (9) has an adjustment handle (13) at the top and a support pad (11) rotatably installed at the bottom for adjusting the flatness of the heat-insulating bottom plate (1); The height of the support pad (11) is less than the thickness of the heat-insulating bottom plate (1).

3. A maintenance protection device for a calcium carbide furnace as claimed in claim 1, characterized in that: A turntable (3b) is provided at the bottom of the bracket (3), a U-shaped groove is provided in the bracket seat (2), the turntable (3b) is rotatably installed in the U-shaped groove, three turntable pin holes with an angular distance of 90 degrees are provided on the turntable (3b), a support pin hole is provided on the bracket seat (2), and the bracket (3) can be fixed vertically or horizontally by the turntable pin hole, the support pin hole and the limit pin (7).

4. A maintenance protection device for a calcium carbide furnace as claimed in claim 3, characterized in that: The bracket (3) is a hollow rectangular tube, the mounting pin (6) is provided with a limiting ring (14) located inside the bracket (3), a spring (15) is sleeved between the limiting ring (14) and the pull ring of the mounting pin (6), and the length of the mounting pin (6) is greater than the width of the bracket (3).

5. A maintenance protection device for a calcium carbide furnace as claimed in claim 3, characterized in that: The bracket (3) is provided with a side frame groove (3a) adapted to the mounting frame (4), and the mounting frame (4) is movably mounted in the side frame groove (3a); Each of the installation frames (4) is provided with a pin hole adapted to the installation pin (6), and each of the installation frames (4) is detachably engaged via at least three installation pins (6).

6. A maintenance protection device for a calcium carbide furnace as claimed in claim 5, characterized in that: A backing plate (8) is installed between the brackets (3), and a bottom frame groove (8a) adapted to the installation frame (4) is provided on the backing plate (8), and the installation frame (4) is also embedded in the bottom frame groove (8a).

7. A maintenance protection device for a calcium carbide furnace as claimed in claim 1, characterized in that: The installation frame (4) is provided with a convex groove (4a), and the pleated heat insulation panel (5) can be pulled and installed in the convex groove (4a) by a roller (16); The pleated heat-insulating panel (5) is hung on the roller (16) via a hanging ring (17).

8. A maintenance protection device for a calcium carbide furnace as claimed in claim 7, characterized in that: A waist-shaped groove is provided on the inner side wall of the installation frame (4), a fastening pin (21) is installed in the waist-shaped groove between the rollers (16) at both ends, a spring stopper (23) is provided on the fastening pin (21), and a fastening spring (22) is sleeved on the fastening pin (21) located between the spring stopper (23) and the waist-shaped groove.

9. A maintenance protection device for a calcium carbide furnace as claimed in claim 1, characterized in that: A cooling fan (18) and a wireless alarm switch (19) are housed in the box, and the wireless alarm switch (19) is electrically connected to the external alarm (20).

10. A maintenance protection device for a calcium carbide furnace as claimed in claim 2, characterized in that: The bottom plate (1) is provided with a handle (1a).

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