Thermal insulation performance testing equipment for heating furnace

Abstract

The utility model discloses equipment for testing the thermal insulation performance of a heating furnace. Comprising a heating furnace table, a sealing shell installed at the upper end of the heating furnace table, a U-shaped block fixedly connected to the upper end of the heating furnace table, a heating mechanism arranged on the U-shaped block, a first moving mechanism arranged at the upper end of the heating furnace table, a supporting mechanism placed at the upper end of the heating furnace table and two lifting mechanisms arranged on the supporting mechanism in a sliding mode. The mounting plate is placed on the two lifting mechanisms, the movable box is placed at the upper end of the mounting plate, and the control box is fixedly connected to the peripheral wall of the movable box; a plurality of first arc-shaped blocks, a plurality of second arc-shaped blocks and a plurality of third arc-shaped blocks are fixedly connected to the bottom surface of the inner wall of the movable box, temperature measuring sensors are fixedly connected to the concave surfaces of the first arc-shaped blocks, the second arc-shaped blocks and the third arc-shaped blocks, and the first arc-shaped blocks are located on the same circumference. The device has the advantages of high automation degree, flexible and adjustable test point positions and capability of simulating various working conditions for comparison test.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial furnace detection technical field, concretely is heating furnace heat preservation performance test equipment. BACKGROUND

[0002] As the key thermal equipment in industrial production, the heating furnace directly influences energy utilization efficiency, production cost and equipment operation safety with the pros and cons of heat preservation performance. Therefore, accurate and reliable testing and evaluation of the heat preservation effect of the heating furnace is an important link of energy saving and equipment maintenance.

[0003] At present, the test of the heat preservation performance of the heating furnace mostly adopts the method of arranging thermocouples to measure temperature field distribution at fixed points in the furnace or indirectly evaluating by testing the outer surface temperature of the furnace body. These traditional methods have obvious limitations: first, the test points are fixed and limited, and it is difficult to comprehensively and stereoscopically reflect the temperature decay conditions of each position in the furnace space, especially to accurately evaluate the heat preservation uniformity of different heights and horizontal positions in the furnace; second, the test process usually needs manual repeated entry or adjustment of instrument position, which is tedious and inefficient, and it is difficult to realize rapid and safe point switching in high temperature environment; in addition, the existing test equipment is usually single-function, and when it is necessary to evaluate the heat insulation effect of the additional temperature insulation layer (such as inner lining cylinder, cover plate, etc.), there is a lack of an integrated device that can conveniently install test pieces and compare test with bare furnace state.

[0004] Therefore, an automatic heat preservation performance test equipment that can realize flexible and accurate displacement of test pieces in the working space of the heating furnace and is compatible with different test conditions (such as bare furnace test and test with temperature insulation layer) is urgently needed to obtain more comprehensive and accurate heat preservation performance data. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing heating furnace heat preservation performance test equipment, has the advantages such as high degree of automation, test point flexible adjustment, can simulate multiple conditions and carry out comparative test, solve the problem in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The heating furnace heat preservation performance test equipment comprises a heating furnace table, a sealed outer shell mounted on the upper end of the heating furnace table, a U-shaped block fixedly connected to the upper end of the heating furnace table, a heating mechanism arranged on the U-shaped block, a first moving mechanism arranged on the upper end of the heating furnace table, a supporting mechanism placed on the upper end of the heating furnace table, two lifting mechanisms slidingly arranged on the supporting mechanism, an installation plate placed on the two lifting mechanisms, a movable box placed on the upper end of the installation plate and a control box fixedly connected to the outer peripheral wall of the movable box.

[0008] The inner wall of the movable box is fixed with a plurality of first arc-shaped blocks, a plurality of second arc-shaped blocks and a plurality of third arc-shaped blocks, the concave surface of each first arc-shaped block, second arc-shaped block and third arc-shaped block is fixed with a temperature sensor, the plurality of first arc-shaped blocks are located on the same circumference, and there is a gap between the two adjacent first arc-shaped blocks;

[0009] The outer peripheral wall of the plurality of second arc-shaped blocks is provided with a temperature insulation cylinder, and the upper end of the plurality of second arc-shaped blocks is provided with a temperature insulation cover plate, and the outer peripheral wall of the temperature insulation cover plate and the inner wall of the temperature insulation cylinder are matched;

[0010] The top surface of the U-shaped block is U-shaped, and the first moving mechanism is connected with the lifting mechanism through the connecting mechanism;

[0011] The outer peripheral wall of the movable box is fixed with a guide sleeve block and an internal thread sleeve block, the second moving mechanism for guiding the guide sleeve block is arranged on the mounting plate, and the guiding mechanism for guiding the internal thread sleeve block is also arranged on the mounting plate.

[0012] Preferably, the heating mechanism comprises a groove body opened at the upper end of the U-shaped block, a plurality of air heating rods fixed to the inner wall bottom of the groove body, and an air hole penetrating the recess of the groove body.

[0013] Notably, the plurality of air heating rods are uniformly arranged, which can uniformly heat the air in the sealed shell, ensure the stability of the temperature field in the heating furnace, provide accurate heat source basis for the thermal insulation performance test, the air hole can quickly guide the hot air in the groove body into the sealed shell, reduce heat loss, improve heating efficiency, and at the same time, the hot air can circulate, further ensuring the uniformity of the temperature in the furnace.

[0014] Preferably, the first moving mechanism comprises a first fixed seat fixed to the upper end of the heating furnace table and an electric cylinder fixed to the inner wall of the first fixed seat.

[0015] Notably, the first fixed seat can firmly support the electric cylinder to ensure stable installation of the electric cylinder and avoid shaking and deviation of the electric cylinder during operation, thereby ensuring the stability of power transmission. As a power component, the electric cylinder has the advantages of high driving precision, stable operation and rapid response, can accurately drive the connecting mechanism, the lifting mechanism and the movable box to move, and realize accurate adjustment of the position of the temperature measuring assembly, and adapt to different test requirements of the thermal insulation sample.

[0016] Preferably, the connecting mechanism comprises a fixed block fixed to the side wall of the sliding block, a screw rod fixed to the end of the fixed block close to the first fixed seat, and an installation cylinder screwed on the outer peripheral wall of the screw rod, and the inner wall of the installation cylinder is screwed with the outer peripheral wall of the output shaft of the electric cylinder.

[0017] Notably, the connecting mechanism adopts a threaded connection mode, has the advantages of firm connection and convenient disassembly, and is convenient for maintenance, repair and replacement of equipment components in the later period, thereby reducing the maintenance cost.

[0018] Preferably, the supporting mechanism comprises two guide blocks placed at the upper end of the heating furnace table and two connecting blocks fixed to the mutually close end of the two guide blocks.

[0019] It is worth noting that the two guide blocks can provide stable sliding support for the sliding block of the lifting mechanism, ensuring smooth sliding of the sliding block along the guide block, avoiding jamming and deviation during sliding, and ensuring normal operation of the lifting mechanism; the connecting block can firmly connect the two guide blocks into a whole, enhancing the structural strength and stability of the supporting mechanism, avoiding relative displacement of the guide blocks during equipment operation, and thus ensuring the running stability of the lifting mechanism and the movable box.

[0020] Preferably, the lifting mechanism comprises a sliding block slidingly arranged on the side wall of the guide block, a rodless cylinder fixed to the upper end of the sliding block, and an L-shaped block fixed to the moving end of the rodless cylinder, a plurality of limiting holes being formed through the upper end of the L-shaped block, and a mounting plate being placed at the upper end of the two L-shaped blocks, a plurality of first limiting columns being fixed to the lower end of the mounting plate, and the outer peripheral wall of the first limiting column and the inner wall of the limiting hole being in abutment.

[0021] It is worth noting that the rodless cylinder can accurately drive the L-shaped block and the mounting plate to lift, thereby adjusting the height of the movable box and the temperature measuring assembly, adapting to the testing needs of different specifications of the heat preservation sample, and ensuring that the temperature sensor can maintain a reasonable relative position with the sample; the limiting holes on the L-shaped block and the first limiting columns on the lower end of the mounting plate cooperate with each other to quickly position and firmly fix the mounting plate, avoid displacement and shaking of the mounting plate during testing, ensure the stability of the relative position of the temperature sensor and the sample, and improve the accuracy of the test data.

[0022] Preferably, the plurality of second arc-shaped blocks are located on the same circumference, and there is a gap between adjacent two second arc-shaped blocks, and the plurality of third arc-shaped blocks are located on the same circumference, and there is a gap between adjacent two third arc-shaped blocks.

[0023] It is worth noting that the second arc-shaped block and the third arc-shaped block are arranged in a circumferential manner, which cooperates with the circumferential arrangement of the first arc-shaped block to form a multi-layer circumferential temperature measuring structure in the movable box, which can measure the temperature of the heat preservation sample at different heights and different circumferential positions, capture the temperature change data of each part of the sample, avoid the temperature measuring blind area, and ensure the comprehensiveness of the heat preservation performance test data; the gaps between adjacent arc-shaped blocks can effectively avoid the heat conduction interference between the arc-shaped blocks, prevent the temperature deviation of the temperature sensors on the adjacent arc-shaped blocks due to heat conduction, and ensure the accuracy of the detection data of each temperature sensor; at the same time, the circumferential arrangement structure can adapt to common shapes of cylindrical heat preservation samples, improving the versatility of the equipment.

[0024] Preferably, the control box is provided with a battery, a controller and a wireless transceiver.

[0025] It is worth noting that the battery can be used as a backup power supply to provide stable power support for each component of the device in the event of a power outage or no external power supply, avoid test interruption, test data loss, and ensure the continuity of the test work; the controller can centrally receive the detection data of each temperature sensor and automatically control each executing component such as the heating mechanism, the first moving mechanism, and the lifting mechanism, realize the automation and intelligentization of the thermal insulation performance test, reduce the manual operation intensity, and improve the test efficiency and test precision; the wireless transceiver can transmit the test data to an external terminal (such as a computer or a tablet) in real time, so that the staff can remotely monitor the test process, view and store the test data without real-time on-site attendance.

[0026] Preferably, the second limiting column is fixed at the lower end of the movable box, and the limiting sliding groove is formed in the upper end of the mounting plate.

[0027] It is worth noting that the second limiting column and the limiting sliding groove cooperate with each other to effectively limit and guide the movable box, avoid rotation and deviation of the movable box during movement or testing, and ensure the stability of the relative positions of the first, second and third arc-shaped blocks and the temperature sensor in the movable box and the thermal insulation sample, thereby ensuring the accuracy of the temperature measurement data.

[0028] Preferably, the second moving mechanism includes two second fixed seats fixed to the upper end of the mounting plate, a motor fixed to one of the second fixed seats, and a lead screw rotatably installed between the two second fixed seats, the output shaft of the motor passes through the one second fixed seat and is fixed to one end of the lead screw, and the guide mechanism includes two third fixed seats fixed to the upper end of the mounting plate and a guide rod fixed to the two third fixed seats, the outer peripheral wall of the guide rod and the inner wall of the internally threaded sleeve block are attached.

[0029] It is worth noting that the second fixed seat can firmly fix and support the motor and the lead screw, ensure the stable operation of the motor and the smooth rotation of the lead screw, and avoid shaking and deviation to affect the power transmission accuracy; the motor drives the lead screw to rotate, and the lead screw cooperates with the guide sleeve block to realize the accurate horizontal movement of the movable box, accurately adjust the relative position of the temperature sensor and the thermal insulation sample, adapt to the needs of different test points, and improve the comprehensiveness of the test data; the guide rod cooperates with the internally threaded sleeve block to form a double-guiding and limiting structure, avoid deviation and shaking of the movable box during movement, ensure the movement accuracy, and at the same time, share the stress of the lead screw, prolong the service life of the lead screw.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] 1. The utility model discloses a first moving mechanism, lifting mechanism and second moving mechanism are set up, and make it work together, realize the automatic positioning of test unit in the three-dimensional space inside heating furnace, in particular, first moving mechanism drives support mechanism and whole test unit installed on it move along a horizontal direction, lifting mechanism drives mounting plate and movable box to vertically lift, and second moving mechanism drives movable box to move along another horizontal direction on mounting plate, and this multi-degree-of-freedom linkage design makes the movable box containing heat medium can be accurately and flexibly positioned to any preset coordinate point in the space of sealed shell, solves the problem of fixed and limited test point, realizes the comprehensive temperature attenuation data collection of three-dimensional and gridding in the space of furnace.

[0032] 2. The utility model discloses an electric cylinder, rodless cylinder and motor drive screw rod are used, and cooperate wireless control unit, realize the remote automatic operation of test process, and operating personnel need not manually adjust near the high temperature sealed shell, only need to control the moving path and stay position of movable box through external control system to wireless receiving temperature data, greatly improve the test efficiency, eliminate the security risk of manual operation under high temperature environment, solve the problem of complicated operation, low efficiency and insecurity.

[0033] 3. The utility model discloses a plurality of arc blocks with interspace arrangement and temperature measuring sensor are set up in the inner bottom surface of movable box, optimize the measurement mode of heat medium internal temperature field, and the sensor array of different circumferential diameters can synchronously obtain the radial temperature distribution data from the center to the edge of heat medium, and the interspace between arc blocks guarantees the normal convection of heat medium, and the measured value is more regional representative, and this design makes single test can obtain more abundant and three-dimensional heat loss information, thereby can more accurately deduce the uniformity of heat preservation performance of heating furnace at the space point.

[0034] 4. The utility model discloses a temperature insulation cylinder and temperature insulation cover plate matched with second arc block are set up, provide a convenient comparison test function, after standard test is completed, can quickly assemble temperature insulation cylinder and temperature insulation cover plate to movable box, constitute a test body with temperature insulation layer, and repeat test under same heat environment and moving path, can directly and accurately evaluate the heat insulation effect of temperature insulation structure through comparing the temperature attenuation curve of heat medium in two tests. DRAWINGS

[0035] Figure 1 The utility model discloses a three-dimensional structure schematic diagram of heating mechanism.

[0036] Figure 2 The utility model discloses a three-dimensional structure schematic diagram of heating mechanism.

[0037] Figure 3The first mobile mechanism and the lifting mechanism of the utility model are shown in the three-dimensional structure schematic view.

[0038] Figure 4 The L-shaped block and the mounting plate of the utility model are shown in the three-dimensional split structure schematic view.

[0039] Figure 5 The second mobile mechanism and the guide mechanism of the utility model are shown in the three-dimensional structure schematic view.

[0040] Figure 6 The temperature insulation cylinder and the temperature insulation cover plate of the utility model are shown in the three-dimensional split structure schematic view.

[0041] Figure 7 The second limiting column of the utility model is shown in the three-dimensional structure schematic view.

[0042] The figure mark: 1, heating furnace table; 2, sealed shell; 3, U-shaped block; 4, groove body; 5, air heating rod; 6, air hole; 7, first fixed seat; 8, electric cylinder; 9, guide block; 10, connecting block; 11, sliding block; 12, rodless cylinder; 13, L-shaped block; 14, limiting hole; 15, mounting plate; 16, first limiting column; 17, second fixed seat; 18, motor; 19, screw rod; 20, third fixed seat; 21, guide rod; 22, limiting sliding slot; 23, movable box; 24, first arc-shaped block; 25, second arc-shaped block; 26, third arc-shaped block; 27, guide sleeve block; 28, internal thread sleeve block; 29, temperature sensor; 30, control box; 31, second limiting column; 111, fixed block; 112, screw rod; 113, mounting cylinder; 231, temperature insulation cylinder; 232, temperature insulation cover plate. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0044] In order to solve the problems of the existing technology, such as limited test point, incomplete data, low efficiency and unsafe manual operation, and inconvenient evaluation of additional temperature insulation material, the following technical solutions are given. Please refer to Figures 1-7 ;

[0045] The application relates to a heat preservation performance testing device for a heating furnace, which comprises a heating furnace table 1, a sealing shell 2 arranged on the upper end of the heating furnace table 1, a U-shaped block 3 fixedly connected to the upper end of the heating furnace table 1, a heating mechanism arranged on the U-shaped block 3, a first moving mechanism arranged on the upper end of the heating furnace table 1, a supporting mechanism arranged on the upper end of the heating furnace table 1, two lifting mechanisms slidingly arranged on the supporting mechanism, a mounting plate 15 arranged on the two lifting mechanisms, a movable box 23 arranged on the upper end of the mounting plate 15, and a control box 30 fixedly connected to the outer circumferential wall of the movable box 23,

[0046] A plurality of first arc-shaped blocks 24, a plurality of second arc-shaped blocks 25 and a plurality of third arc-shaped blocks 26 are fixedly connected to the inner wall bottom surface of the movable box 23, a temperature measuring sensor 29 is fixedly connected to the concave surface of each first arc-shaped block 24, second arc-shaped block 25 and third arc-shaped block 26, the plurality of first arc-shaped blocks 24 are located on the same circumference, and a gap is formed between the two adjacent first arc-shaped blocks 24.

[0047] A plurality of temperature insulation cylinders 231 are arranged on the outer circumferential wall of the plurality of second arc-shaped blocks 25, and a plurality of temperature insulation cover plates 232 are arranged on the upper end of the plurality of second arc-shaped blocks 25, and the outer circumferential wall of the temperature insulation cover plate 232 is attached to the inner wall of the temperature insulation cylinder 231.

[0048] The top surface of the U-shaped block 3 is in a U-shaped structure, and the first moving mechanism is connected to the lifting mechanism through a connecting mechanism.

[0049] The outer circumferential wall of the movable box 23 is fixedly connected to a guide sleeve block 27 and an internal thread sleeve block 28, the second moving mechanism for guiding the guide sleeve block 27 is arranged on the mounting plate 15, and a guide mechanism for guiding the internal thread sleeve block 28 is also arranged on the mounting plate 15.

[0050] In use, the heating mechanism on the U-shaped block 3 is turned on to heat the sealing shell 2, an appropriate amount of hot water is injected into the movable box 23, then the first moving mechanism is turned on to move the lifting mechanism, and the second moving mechanism is turned on to move the movable box 23 transversely, so that the position of the movable box 23 in the sealing shell 2 can be quickly adjusted, thereby facilitating the determination of the attenuation of the hot water at each position, and the heat preservation performance of the heating furnace table 1 can be reversely determined, in addition, the temperature insulation cylinder 231 can be arranged on the outer circumferential wall of the second arc-shaped block 25, and on this basis, the temperature insulation cover plate 232 can be arranged on the upper end of the plurality of movable boxes 23, so that the plurality of second arc-shaped blocks 25 can be sealed and covered, and the heat preservation and heat insulation effects of the temperature insulation cylinder 231 and the temperature insulation cover plate 232 can be determined.

[0051] In the embodiment, the heating mechanism comprises a groove 4 arranged on the upper end of the U-shaped block 3, a plurality of air heating rods 5 fixedly connected to the inner wall bottom surface of the groove 4, and an air hole 6 penetrating through the recess of the groove 4.

[0052] Specifically in this embodiment, the first moving mechanism comprises a first fixed seat 7 fixed to the upper end of the heating furnace table 1 and an electric cylinder 8 fixed to the inner wall of the first fixed seat 7.

[0053] Specifically in this embodiment, the connecting mechanism comprises a fixed block 111 fixed to the side wall of the sliding block 11, a screw rod 112 fixed to the end of the fixed block 111 close to the first fixed seat 7, and a mounting cylinder 113 threadedly mounted to the outer peripheral wall of the screw rod 112, and the inner wall of the mounting cylinder 113 is threadedly connected with the outer peripheral wall of the output shaft of the electric cylinder 8.

[0054] Specifically in this embodiment, the supporting mechanism comprises two guide blocks 9 placed on the upper end of the heating furnace table 1 and two connecting blocks 10 fixed to the ends of the two guide blocks 9 close to each other.

[0055] Specifically in this embodiment, the lifting mechanism comprises a sliding block 11 slidingly arranged on the side wall of the guide block 9, a rodless cylinder 12 fixed to the upper end of the sliding block 11, and an L-shaped block 13 fixed to the moving end of the rodless cylinder 12, a plurality of limiting holes 14 are formed through the upper end of the L-shaped block 13, a mounting plate 15 is placed on the upper ends of the two L-shaped blocks 13, a plurality of first limiting columns 16 are fixed to the lower end of the mounting plate 15, and the outer peripheral wall of the first limiting column 16 is in abutment with the inner wall of the limiting hole 14.

[0056] Specifically in this embodiment, the plurality of second arc-shaped blocks 25 are located on the same circumference, and there is a gap between the adjacent two second arc-shaped blocks 25, and the plurality of third arc-shaped blocks 26 are located on the same circumference, and there is a gap between the adjacent two third arc-shaped blocks 26.

[0057] Specifically in this embodiment, the control box 30 is internally provided with a storage battery, a controller, and a wireless transceiver.

[0058] Specifically in this embodiment, the lower end of the movable box 23 is fixedly connected with a second limiting column 31, the upper end of the mounting plate 15 is provided with a limiting sliding groove 22, and the second limiting column 31 is slidingly arranged on the inner wall of the limiting sliding groove 22.

[0059] Specifically in this embodiment, the second moving mechanism comprises two second fixed seats 17 fixed to the upper end of the mounting plate 15, a motor 18 fixed to one of the second fixed seats 17, and a lead screw 19 rotatably arranged between the two second fixed seats 17, the output shaft of the motor 18 penetrates through the one of the second fixed seats 17 and is fixed to one end of the lead screw 19, and the guide mechanism comprises two third fixed seats 20 fixed to the upper end of the mounting plate 15 and a guide rod 21 fixed to the two third fixed seats 20, and the outer peripheral wall of the guide rod 21 is in abutment with the inner wall of the internally-threaded sleeve block 28.

[0060] Working principle: first, the activity box 23 injects hot water, open U-shaped block 3 on the groove 4 installed in a plurality of air heating rod 5 to seal the shell 2 inside heating, while the air circulation through the vent 6 inside the hot air circulation;

[0061] During the test, the first fixed seat 7 on the electric cylinder 8 push the slider 11 along the guide block 9 transverse movement, electric cylinder 8 output shaft through the installation cylinder 113 and screw 112 connecting fixed block 111, so as to drive the slider 11 movement;

[0062] Through the rodless cylinder 12 drive L-shaped block 13 lifting, L-shaped block 13 through the limit hole 14 and the first limit column 16 cooperation of the lower end of the installation plate 15 to realize the vertical positioning of the installation plate 15;

[0063] The motor 18 on the installation plate 15 drives the screw 19 rotation, drive the activity box 23 along the guide rod 21 transverse movement, the activity box 23 through the guide sleeve block 27 in the installation plate 15 sliding to keep stable, the second limit column 31 of the activity box 23 along the limit sliding groove 22 guide;

[0064] Through the above first moving mechanism and the second moving mechanism of the coordinated action, the horizontal and vertical position of the activity box 23 in the sealed shell 2 can be accurately adjusted, so that the temperature sensor 29 installed on the plurality of first arc block 24, second arc block 25 and third arc block 26 in the activity box 23 can measure the hot water temperature attenuation data at different positions, and then analyze the heat preservation performance of the heating furnace table 1;

[0065] If you need to test the performance of the temperature insulation material, you can place the temperature insulation cylinder 231 on the outer circumferential wall of the plurality of second arc block 25, and then cover the temperature insulation cover plate 232 on the upper end of the temperature insulation cylinder 231 to form a closed temperature insulation layer. The above test process can be repeated to evaluate the heat preservation effect of the temperature insulation cylinder 231 and the temperature insulation cover plate 232.

[0066] During the test, all the data collected by the temperature sensor 29 is processed by the controller in the control box 30, and is transmitted to the external monitoring terminal by the wireless transceiver.

[0067] It should be noted that in this paper, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment.

[0068] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A heating furnace insulation performance testing device, characterized in that: It includes a heating furnace platform (1), a sealed outer shell (2) installed on the upper end of the heating furnace platform (1), a U-shaped block (3) fixed to the upper end of the heating furnace platform (1), a heating mechanism set on the U-shaped block (3), a first moving mechanism set on the upper end of the heating furnace platform (1), a support mechanism placed on the upper end of the heating furnace platform (1), two lifting mechanisms slidably set on the support mechanism, a mounting plate (15) placed on the two lifting mechanisms, a movable box (23) placed on the upper end of the mounting plate (15), and a control box (30) fixed to the outer peripheral wall of the movable box (23). Multiple first arc blocks (24), multiple second arc blocks (25) and multiple third arc blocks (26) are fixedly attached to the bottom surface of the inner wall of the active box (23). Temperature sensors (29) are fixedly attached to the concave surfaces of each first arc block (24), second arc block (25) and third arc block (26). Multiple first arc blocks (24) are located on the same circumference, and there is a gap between two adjacent first arc blocks (24). A heat insulation cylinder (231) is placed on the outer peripheral wall of a plurality of second arc-shaped blocks (25), and a heat insulation cover plate (232) is placed on the upper end of a plurality of second arc-shaped blocks (25). The outer peripheral wall of the heat insulation cover plate (232) and the inner wall of the heat insulation cylinder (231) are attached together. The top surface of the U-shaped block (3) is U-shaped, and the first moving mechanism is connected to the lifting mechanism through the connecting mechanism; The outer peripheral wall of the active box (23) is fixed with a guide sleeve (27) and an internal thread sleeve (28). The mounting plate (15) is provided with a second moving mechanism for the guide sleeve (27) and a guide mechanism for guiding the internal thread sleeve (28).

2. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The heating mechanism includes a groove (4) opened at the upper end of the U-shaped block (3), multiple air heating rods (5) fixed to the bottom surface of the inner wall of the groove (4), and a vent (6) through the recess of the groove (4).

3. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The first moving mechanism includes a first fixed seat (7) fixed to the upper end of the heating furnace platform (1) and an electric cylinder (8) fixed to the inner wall of the first fixed seat (7).

4. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The connecting mechanism includes a fixing block (111) fixed to the side wall of the slider (11), a screw (112) fixed to one end of the fixing block (111) near the first fixed seat (7), and a mounting cylinder (113) threadedly installed on the outer peripheral wall of the screw (112). The inner wall of the mounting cylinder (113) is threadedly connected to the outer peripheral wall of the output shaft of the electric cylinder (8).

5. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The support mechanism includes two guide blocks (9) placed on the upper end of the heating furnace platform (1) and two connecting blocks (10) fixed to one end of the two guide blocks (9) close to each other.

6. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The lifting mechanism includes a slider (11) that slides on the side wall of the guide block (9), a rodless cylinder (12) fixed to the upper end of the slider (11), and an L-shaped block (13) fixed to the moving end of the rodless cylinder (12). The upper end of the L-shaped block (13) is provided with multiple limiting holes (14). The mounting plate (15) is placed on the upper end of the two L-shaped blocks (13). The lower end of the mounting plate (15) is fixed with multiple first limiting posts (16). The outer peripheral wall of the first limiting post (16) and the inner wall of the limiting hole (14) are in contact.

7. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: Multiple second arc blocks (25) are located on the same circumference, and there is a gap between two adjacent second arc blocks (25). Multiple third arc blocks (26) are located on the same circumference, and there is a gap between two adjacent third arc blocks (26).

8. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The control box (30) contains a battery, a controller and a wireless transceiver.

9. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The lower center of the active box (23) is fixed with a second limiting post (31), and the upper end of the mounting plate (15) is provided with a limiting groove (22). The second limiting post (31) is slidably disposed on the inner wall of the limiting groove (22).

10. The heating furnace insulation performance testing equipment according to claim 1, characterized in that: The second moving mechanism includes two second fixed seats (17) fixed to the upper end of the mounting plate (15), a motor (18) fixed to one of the second fixed seats (17), and a lead screw (19) rotatably mounted between the two second fixed seats (17). The output shaft of the motor (18) passes through one of the second fixed seats (17) and is fixed to one end of the lead screw (19). The guiding mechanism includes two third fixed seats (20) fixed to the upper end of the mounting plate (15) and a guide rod (21) fixed to the two third fixed seats (20). The outer peripheral wall of the guide rod (21) and the inner wall of the internal threaded sleeve (28) are in contact.

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