Super-large L-shaped multifunctional fire-resistant test furnace

Abstract

The utility model relates to an oversized L-shaped multifunctional fire-resistant test furnace, which belongs to the technical field of fire-resistant test furnaces and comprises a mounting seat, a vertical furnace body is fixedly connected to the outer wall of a transverse furnace body, an overturning cover plate is rotatably connected to the top of the transverse furnace body, and a smoke suction hood is slidably connected to the top of the vertical furnace body. And the outer wall of the smoke suction cover is fixedly connected with a connecting hose. According to the utility model, when heat generated by the test furnace is recycled through the smoke suction cover, the adjusting cylinder can be turned on according to the requirement of a conveying path to improve the convenient conversion effect of the conveying path of the recycled heat and improve the multi-path use effect of the recycled heat, and the first servo motor can be turned on through the rotation of the worm rod; and the worm gear rotates to drive the adjusting cylinder to rotate through connection of the connecting shaft, so that the conversion port, the filter box and the connecting pipe are mutually switched, and the function of multi-path use of the recycled heat is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire resistance test furnace technical field, specifically, relate to a super L type multifunctional. BACKGROUND

[0002] The vertical furnace for building component fire resistance test is a special detection instrument in the field of safety science and technology, which is mainly used for testing the fire resistance characteristics of various structural components (such as walls, doors, windows, columns, roller shutter doors, fire smoke exhaust valves, etc.) under standard fire conditions. With the increasing perfection of building component product standards, the demand for detection of large-size building components is growing.

[0003] In the prior art, the fire resistance test furnace for testing the thermal conductivity of refractory material and the method for testing the thermal conductivity of refractory material by using the test furnace with the publication number CN107860228B are disclosed. The test furnace comprises a test furnace body, a test cavity is formed in the test furnace body, the test cavity comprises a heating cavity arranged at the middle part and a detection cavity arranged at both ends of the heating cavity, and the heating cavity and the detection cavity are in communication with each other. A plurality of heating grooves in a matrix arrangement are arranged in the upper part of the heating cavity and communicate with the heating cavity. A heating rod body is arranged in the heating groove and extends into the heating cavity. An infrared thermometer corresponding to the position of the detection cavity is arranged at both ends of the outer side of the test furnace body. The method for testing the thermal conductivity of refractory material by using the test furnace is simple, the data repeatability is good, the detection accuracy of the heterogeneous refractory material is greatly improved, and the test result can accurately reflect the thermal conductivity of the refractory material.

[0004] However, the existing fire resistance test furnace can better test the fire resistance of the test object, but during the daily use of the fire resistance test furnace, the waste gas treatment brings a large load to the environmental protection equipment, and the conversion effect of the heat transfer path of the recovered heat is not high during the waste gas recovery treatment, which reduces the multifunctionality of the use way of the recovered heat. In addition, the adjustment of the working area in the fire resistance test furnace is not high during the use of the fire resistance test furnace, which reduces the flexibility of the test of the products of different sizes placed in the fire resistance test furnace, and does not meet the use requirements of the people. Therefore, we propose a super L type multifunctional fire resistance test furnace. Utility model content

[0005] In order to solve the problems mentioned in the above background, the utility model provides a super L type multifunctional fire resistance test furnace to solve the problems that the waste gas treatment brings a large load to the environmental protection equipment, the conversion effect of the heat transfer path of the recovered heat is not high during the waste gas recovery treatment, and the adjustment of the working area in the fire resistance test furnace is not high during the use of the fire resistance test furnace.

[0006] In order to achieve the above technical purposes, the utility model adopts the technical scheme as follows:

[0007] A super L type multifunctional fire resistance test furnace, including the mounting seat, the outer wall of mounting seat is installed with horizontal furnace body, the outer wall of horizontal furnace body is fixedly connected with vertical furnace body, the top of horizontal furnace body is rotatably connected with turnover cover plate, the top of vertical furnace body is slidably connected with smoke suction cover, the outer wall of smoke suction cover is fixedly connected with connecting hose, one end of connecting hose is fixedly connected with conversion box, the outer wall of conversion box is fixedly connected with filter box through hose, the outer wall of filter box is fixedly connected with heat exchanger body through hose, the end of heat exchanger body is fixedly connected with the delivery pipe fixedly connected with the bottom of horizontal furnace body;

[0008] The mounting seat further comprises:

[0009] Control box, fixedly connected at the top of conversion box;

[0010] Conversion mechanism, set up in the inside of conversion box, is used for the convenient conversion movement of the smoke delivery path of recycling;

[0011] Adjusting mechanism, set up at the outer wall of vertical furnace body, is used for adjusting the processing area of horizontal furnace body and vertical furnace body;

[0012] The conversion mechanism includes adjusting cylinder, the outer wall of control box is fixedly connected with first servo motor, the output of first servo motor is fixedly connected with worm, the outer wall of worm is engaged with worm wheel, the rotation center of worm wheel is fixedly connected with signboard, the top of control box is fixedly connected with protractor at the side of signboard, the rotation center of worm wheel is fixedly connected with connecting shaft, one end of connecting shaft is fixedly connected with adjusting cylinder that is attached to the inner wall of adjusting cylinder, the connecting part of the outer wall of adjusting cylinder and filter box is provided with first conversion port, the outer wall of adjusting cylinder is provided with second conversion port, the connecting part of the outer wall of adjusting cylinder and connecting hose is provided with third conversion port, so that conversion port and filter box and connecting pipe are switched, improve the function of multiple ways of using recycled heat.

[0013] Preferably, the inner side wall of the transverse furnace body and the vertical furnace body is provided with a refractory fiber blanket, the outer frame of the transverse furnace body and the vertical furnace body is made of Q235 steel plate, the hearth bottom of the transverse furnace body and the vertical furnace body is paved with refractory bricks, the smoke hood adopts a dispersion type smoke exhaust technology, and the outer wall contour of the connecting part of the transverse furnace body and the vertical furnace body is L-shaped. Through the arrangement of the refractory fiber blanket, excellent heat preservation performance is achieved. The outer frame of the transverse furnace body and the vertical furnace body is made of Q235 steel plate, so as to ensure the rigidity and strength of the structure. The refractory bricks are arranged to improve the thermal conductivity of the furnace body and provide the necessary structural rigidity to meet the needs of vertical installation of the ventilation pipeline and horizontal installation of the component specimen detection.

[0014] Preferably, the sign constitutes a rotating structure with the control box through the worm and the worm wheel, and the rotation center of the worm wheel and the rotation center of the sign are arranged to coincide with each other, which facilitates the observation of the rotation angle of the adjusting cylinder.

[0015] Preferably, the adjusting cylinder constitutes a rotating structure with the conversion box through the worm and the worm wheel, and the rotation center of the worm wheel and the rotation center of the adjusting cylinder are arranged to coincide with each other, and the outer wall contour of the adjusting cylinder and the inner wall contour of the conversion box are arranged to match each other, and the overall material of the adjusting cylinder and the conversion box is transparent, which facilitates the convenient switching of the heat transfer path of the recovered heat.

[0016] Preferably, the center axis of the first conversion port and the center axis of the second conversion port and the center axis of the third conversion port are connected to form a T-shaped outer wall contour, the inner wall of the adjusting cylinder is provided with a conveying cavity, the specific model of the heat exchanger body is JNQ, and the outer wall of the conversion box is fixedly connected with a connecting pipe. Through the arrangement of the turnover cover plate, the needs of vertical installation of the ventilation pipeline and horizontal installation of the component specimen detection are met, the dispersion type smoke exhaust technology is adopted to ensure the uniformity of the pressure distribution in the furnace and realize the centralized control of the exhaust temperature, and the exhaust amount is effectively reduced.

[0017] Preferably, the outer wall of the mounting seat is fixedly connected with a second servo motor, the output end of the second servo motor is fixedly connected with a first threaded rod, and the outer wall of the first threaded rod is threadedly connected with a threaded sliding rod which is slidingly connected with the outer wall of the mounting seat.

[0018] Preferably, the threaded sliding rod constitutes a reciprocating sliding structure with the mounting seat through the first threaded rod, and the threaded sliding rod and the smoke hood are integrally fixedly connected, which facilitates the synchronous sliding use of the smoke hood.

[0019] Preferably, the adjusting mechanism comprises a rotating rod and a sealing plate, a third servo motor is fixedly connected to the side wall of the vertical furnace body, the output end of the third servo motor is fixedly connected with a second threaded rod, the outer wall of the second threaded rod is threadedly connected with a lifting rod slidingly connected with the side wall of the vertical furnace body, the outer wall of the lifting rod is rotationally connected with the rotating rod, one end of the rotating rod is rotationally connected with the sealing plate slidingly connected with the outer wall of the horizontal furnace body, so that the furnace body warming area has controllability, and only the front half of the furnace body is allowed to perform the detection task of the vertical component.

[0020] Preferably, the lifting rod and the vertical furnace body constitute a lifting structure through the second threaded rod, the rotating rod and the sealing plate constitute a rotating structure through the lifting rod, and the rotating rod is provided with two groups, and the positions of the two groups of rotating rods are symmetrically distributed about the central axis of the lifting rod.

[0021] Preferably, the sealing plate and the horizontal furnace body constitute a sliding structure through the lifting rod and the rotating rod, the sealing plate is provided with two groups, and the positions of the two groups of sealing plates are symmetrically distributed about the central axis of the horizontal furnace body, and a sealing ring is arranged at the connecting part between the outer wall of the horizontal furnace body and the sealing plate, so that the furnace body warming area has controllability, and only the front half of the furnace body is allowed to perform the detection task of the vertical component.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1、The adjusting cylinder is arranged, when the heat generated by the test furnace is recycled by the smoke suction cover, in order to improve the convenient conversion effect of the heat recycling conveying path, improve the use effect of the recycled heat in multiple ways, the first servo motor is opened to drive the worm to rotate, the worm rotates to drive the worm gear to rotate, the worm gear is connected with the connecting shaft, the adjusting cylinder is driven to rotate, the conversion port is switched between the filter box and the connecting pipe, and the function of multiple use of the recycled heat is improved.

[0024] 2、The utility model discloses a set up overturning cover plate to satisfy the demand of vertical installation ventilation pipeline and horizontal installation component test piece detection, and adopts dispersion type smoke exhaust technology to ensure the uniformity of furnace pressure distribution and realize the centralized control of smoke exhaust temperature, which effectively reduces the smoke exhaust amount.

[0025] 3、The utility model discloses a set up sealing plate, when needing to convert the test area in the furnace, the third servo motor is opened to drive the lifting rod to slide along the side wall of the vertical furnace body, the lifting rod slides to drive the rotating rod to rotate, and the sealing plate slides along the outer wall of the horizontal furnace body, so that the furnace body warming area has controllability, and only the front half of the furnace body is allowed to perform the detection task of the vertical component. DRAWINGS

[0026] Figure 1 It is the whole structure schematic view of the utility model;

[0027] Figure 2 It is the whole structure schematic view of the utility model;

[0028] Figure 3 It is the heat exchanger body position distribution structure schematic view of the utility model;

[0029] Figure 4 It is the sealing plate position distribution structure schematic view of the utility model;

[0030] Figure 5 It is the transverse furnace body and vertical furnace body connection cross section structure schematic view of the utility model;

[0031] Figure 6 It is the conversion box and connecting hose connection structure schematic view of the utility model;

[0032] Figure 7 It is the worm and worm wheel connection structure schematic view of the utility model;

[0033] Figure 8 It is the regulating cylinder cross section structure schematic view of the utility model;

[0034] Figure 9 It is the connecting shaft and regulating cylinder connection structure schematic view of the utility model;

[0035] Figure 10 It is the Figure 3 Enlarged structure schematic view of A in the utility model.

[0036] The sign in the drawing is:

[0037] 1, mounting seat, 2, transverse furnace body, 3, vertical furnace body, 4, turnover cover plate, 5, smoke cover, 6, connecting hose, 7, conversion box, 8, filter box, 9, heat exchanger body, 10, conveying pipe, 11, control box, 12, conversion mechanism, 1201, first servo motor, 1202, worm, 1203, worm wheel, 1204, signboard, 1205, protractor, 1206, connecting shaft, 1207, regulating cylinder, 1208, first conversion port, 1209, second conversion port, 1210, third conversion port, 13, connecting pipe, 14, second servo motor, 15, first threaded rod, 16, threaded slide rod, 17, adjusting mechanism, 1701, third servo motor, 1702, second threaded rod, 1703, lifting rod, 1704, rotating rod, 1705, sealing plate. DETAILED DESCRIPTION

[0038] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will combine the drawings and the preferred embodiments to specifically describe the specific implementation manners, structures, features and effects of the utility model.

[0039] Embodiment 1

[0040] Please refer to Figures 1 to 10 The embodiment provides a super L-shaped multifunctional fire resistance test furnace, which comprises a mounting seat 1, a transverse furnace body 2 is installed on the outer wall of the mounting seat 1, a vertical furnace body 3 is fixedly connected to the outer wall of the transverse furnace body 2, a turnover cover plate 4 is rotatably connected to the top of the transverse furnace body 2, a smoke suction cover 5 is slidably connected to the top of the vertical furnace body 3, a connecting hose 6 is fixedly connected to the outer wall of the smoke suction cover 5, one end of the connecting hose 6 is fixedly connected with a conversion box 7, the outer wall of the conversion box 7 is fixedly connected with a filter box 8 through a hose, the outer wall of the filter box 8 is fixedly connected with a heat exchanger body 9 through a hose, and the end of the heat exchanger body 9 is fixedly connected with a conveying pipe 10 fixedly connected with the bottom of the transverse furnace body 2.

[0041] Embodiment 2

[0042] Based on the basis of embodiment 1, the conversion mechanism 12 is further disclosed.

[0043] As Figures 6-9 shown, the mounting seat 1 further comprises:

[0044] The control box 11 is fixedly connected to the top of the conversion box 7.

[0045] The conversion mechanism 12 is arranged in the inside of the conversion box 7 and is used for conveniently converting the movement of the smoke conveying path.

[0046] The conversion mechanism 12 comprises an adjusting cylinder 1207, a first servo motor 1201 is fixedly connected to the outer wall of the control box 11, the output end of the first servo motor 1201 is fixedly connected with a worm 1202, the outer wall of the worm 1202 is engaged with a worm gear 1203, the rotation center of the worm gear 1203 is fixedly connected with an indicator 1204, the top of the control box 11 is fixedly connected with a protractor 1205 located on one side of the indicator 1204, the rotation center of the worm gear 1203 is fixedly connected with a connecting shaft 1206, one end of the connecting shaft 1206 is fixedly connected with the adjusting cylinder 1207 which is in close contact with the inner wall of the adjusting cylinder 1207, the outer wall of the adjusting cylinder 1207 is provided with a first conversion port 1208 at the connecting part of the filtering box 8, the outer wall of the adjusting cylinder 1207 is provided with a second conversion port 1209, and the outer wall of the adjusting cylinder 1207 is provided with a third conversion port 1210 at the connecting part of the connecting hose 6. By arranging the adjusting cylinder 1207, when the heat generated by the test furnace is recycled and used through the smoke hood 5, in order to improve the convenient conversion effect of the heat recycling path, improve the use effect of the recycled heat in multiple ways, the first servo motor 1201 can be turned on according to the needs of the conveying path, the worm 1202 is driven to rotate, the worm gear 1203 is driven to rotate, the worm gear 1203 is connected through the connecting shaft 1206, the adjusting cylinder 1207 is driven to rotate, the conversion port is switched between the filtering box 8 and the connecting pipe 13, and the function of multiple use of recycled heat is improved.

[0047] As shown in Figures 1-5 , the inner side walls of the transverse furnace body 2 and the vertical furnace body 3 are provided with refractory fiber blankets, the outer frames of the transverse furnace body 2 and the vertical furnace body 3 are made of Q235 steel plates, the hearth bottoms of the transverse furnace body 2 and the vertical furnace body 3 are paved with refractory bricks, the smoke hood 5 adopts dispersion type smoke exhaust technology, and the outer wall contour of the connecting part of the transverse furnace body 2 and the vertical furnace body 3 is L-shaped, which is beneficial to the setting of the refractory fiber blanket to achieve excellent heat preservation performance, beneficial to the setting of the outer frame of the transverse furnace body 2 and the vertical furnace body 3 made of Q235 steel plates to ensure the rigidity and strength of the structure, and beneficial to the setting of the refractory bricks to improve the thermal conductivity of the furnace body and also provide necessary structural rigidity.

[0048] As shown in Figure 7 , the indicator 1204 constitutes a rotating structure between the worm 1202 and the worm gear 1203 and the control box 11, the rotation center of the worm gear 1203 and the rotation center of the indicator 1204 are arranged to coincide with each other, which is beneficial to the rotation of the worm 1202, the connection of the worm gear 1203 drives the indicator 1204 to rotate along the inner wall of the control box 11, and plays a role in conveniently checking the rotation degree of the adjusting cylinder 1207.

[0049] As shown in Figures 8-9As shown, the adjusting cylinder 1207 is rotatably connected between the worm 1202 and the conversion box 7, the rotation center of the worm 1202 coincides with the rotation center of the adjusting cylinder 1207, the outer wall contour of the adjusting cylinder 1207 is matched with the inner wall contour of the conversion box 7, and the overall material of the adjusting cylinder 1207 and the conversion box 7 is transparent, which is beneficial to the rotation of the worm 1202, and through the connection of the worm 1203, the adjusting cylinder 1207 is driven to rotate along the inner wall of the conversion box 7, which plays a role in conveniently switching the conveying direction of the conversion port, and the overall material of the adjusting cylinder 1207 and the conversion box 7 is transparent, which is beneficial to conveniently checking the conveying state in the adjusting cylinder 1207.

[0050] As shown in Figures 8-9 , the center axis of the first conversion port 1208 and the center axis of the second conversion port 1209 and the center axis of the third conversion port 1210 are connected to the outer wall contour of the T-shaped part, the inner wall of the adjusting cylinder 1207 is provided with a conveying cavity, the specific model of the heat exchanger body 9 is JNQ, and the outer wall of the conversion box 7 is fixedly connected with the connecting pipe 13, which is beneficial to the T-shaped part of the center axis of the first conversion port 1208 and the center axis of the second conversion port 1209 and the center axis of the third conversion port 1210, which improves the function of multiple use of recovered heat, and is beneficial to the setting of the inner wall of the adjusting cylinder 1207 provided with a conveying cavity, which plays a role in temporarily storing the recovered heat, and through the setting of the outer wall of the conversion box 7 fixedly connected with the connecting pipe 13, the recovered heat is utilized in other operating equipment, which is beneficial to the setting of the specific model of the heat exchanger body 9 as JNQ, which plays a role in conveniently recycling and reusing the heat generated by the fire resistance test furnace.

[0051] As shown in Figure 2 , the outer wall of the mounting seat 1 is fixedly connected with the second servo motor 14, the output end of the second servo motor 14 is fixedly connected with the first threaded rod 15, the outer wall of the first threaded rod 15 is threadedly connected with the threaded sliding rod 16 which is slidingly connected with the outer wall of the mounting seat 1, through the setting of the turnover cover plate 4, the needs of vertical installation of ventilation ducts and horizontal installation of component test pieces are met, and the dispersion type smoke exhaust technology is adopted to ensure the uniformity of the furnace pressure distribution and realize the centralized control of the exhaust temperature, thereby effectively reducing the exhaust volume.

[0052] As shown in Figure 2 , the threaded sliding rod 16 is reciprocally slidably connected between the first threaded rod 15 and the mounting seat 1, and is integrally fixedly connected between the threaded sliding rod 16 and the smoke suction cover 5, which is beneficial to the rotation of the first threaded rod 15 to drive the threaded sliding rod 16 to reciprocally slide along the outer wall of the mounting seat 1, and through the integrally fixed connection between the threaded sliding rod 16 and the smoke suction cover 5, the smoke suction cover 5 is driven to synchronously slide.

[0053] As Figures 3-10 shown,

[0054] Adjusting mechanism 17, provided in the outer wall of the vertical furnace body 3, for adjusting the processing area of the horizontal furnace body 2 and the vertical furnace body 3;

[0055] Adjusting mechanism 17 includes rotating rod 1704 and sealing plate 1705, the side wall of the vertical furnace body 3 is fixedly connected with the third servo motor 1701, the output end of the third servo motor 1701 is fixedly connected with the second threaded rod 1702, the outer wall of the second threaded rod 1702 is threadedly connected with the lifting rod 1703 which is slidingly connected with the side wall of the vertical furnace body 3, the outer wall of the lifting rod 1703 is rotatably connected with the rotating rod 1704, one end of the rotating rod 1704 is rotatably connected with the sealing plate 1705 which is slidingly connected with the outer wall of the horizontal furnace body 2, by providing the sealing plate 1705, when it is needed to convert the test area in the furnace, the third servo motor 1701 is turned through the second threaded rod 1702, driving the lifting rod 1703 to slide along the side wall of the vertical furnace body 3, the sliding of the lifting rod 1703 drives the sealing plate 1705 to slide along the outer wall of the horizontal furnace body 2 through the rotation of the rotating rod 1704, so that the furnace body heating area has controllability, allowing only the front half of the furnace body to perform the detection task of vertical members.

[0056] As Figure 10 shown, the lifting rod 1703 and the vertical furnace body 3 constitute a lifting structure through the second threaded rod 1702, the rotating rod 1704 and the sealing plate 1705 constitute a rotating structure through the lifting rod 1703, the rotating rod 1704 is provided with two groups, the positions of the two groups of rotating rods 1704 are symmetrically distributed about the central axis of the lifting rod 1703, which is beneficial to the rotation of the second threaded rod 1702, driving the lifting rod 1703 to slide along the outer wall of the vertical furnace body 3, playing the role of driving the rotating rod 1704 to rotate conveniently, which is beneficial to the sliding of the lifting rod 1703 through the connection of the sealing plate 1705, driving the rotating rod 1704 to rotate conveniently, playing the role of driving the two groups of sealing plates 1705 to slide relative to each other.

[0057] As Figure 9As shown, the sealing plate 1705 forms a sliding structure with the transverse furnace body 2 through the lifting rod 1703 and the rotating rod 1704. There are two sets of sealing plates 1705, and the positions of the two sets of sealing plates 1705 are symmetrical about the central axis of the transverse furnace body 2. A sealing ring is provided at the connection between the outer wall of the transverse furnace body 2 and the sealing plate 1705. This facilitates the sliding of the lifting rod 1703 through the connection of the rotating rod 1704, which drives the sealing plate 1705 to slide along the outer wall of the transverse furnace body 2. This makes the heating area of ​​the furnace body controllable, allowing the testing of vertical components to be performed using only the front half of the furnace body. It is also beneficial to set up two sets of sealing plates 1705 with symmetrical positions about the central axis of the transverse furnace body 2, which can facilitate the convenient switching and adjustment of the test area.

[0058] Working principle:

[0059] like Figures 1 to 10 As shown, when the refractory test furnace is in use, firstly, when the heat generated by the test furnace is recovered and used through the fume hood 5, in order to improve the convenient switching effect of the heat recovery transmission path and improve the multi-path utilization effect of the recovered heat, the first servo motor 1201 can be turned on according to the needs of the transmission path. The rotation of the worm gear 1202 drives the worm wheel 1203 to rotate. The rotation of the worm wheel 1203, through the connection of the connecting shaft 1206, drives the adjusting cylinder 1207 to rotate, so that the switching port can switch between the filter box 8 and the connecting pipe 13, thereby improving the function of multi-path utilization of the recovered heat.

[0060] Next, by setting the flip cover plate 4, the requirements for testing vertically installed ventilation ducts and horizontally installed component specimens are met, and the diffused smoke exhaust technology is adopted to ensure the uniformity of pressure distribution inside the furnace and to achieve centralized control of the smoke exhaust temperature, effectively reducing the amount of smoke exhaust.

[0061] Finally, when it is necessary to switch the test area inside the furnace, the third servo motor 1701 is turned on, and the rotation of the second threaded rod 1702 drives the lifting rod 1703 to slide along the side wall of the vertical furnace body 3. The sliding of the lifting rod 1703 drives the rotation of the rotating rod 1704 to drive the sealing plate 1705 to slide along the outer wall of the horizontal furnace body 2, so that the heating area of ​​the furnace body is controllable, allowing the testing of vertical components to be performed using only the front half of the furnace body.

[0062] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content, or make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change or modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.

Claims

1. A super L-shaped multifunctional fire resistance test furnace comprising a mounting base (1), characterized in that: The outer wall of the mounting base (1) is provided with a transverse furnace body (2), the outer wall of the transverse furnace body (2) is fixedly connected with a vertical furnace body (3), the top of the transverse furnace body (2) is rotatably connected with a turnover cover plate (4), the top of the vertical furnace body (3) is slidably connected with a smoke suction cover (5), the outer wall of the smoke suction cover (5) is fixedly connected with a connecting hose (6), one end of the connecting hose (6) is fixedly connected with a conversion box (7), the outer wall of the conversion box (7) is fixedly connected with a filter box (8) through a hose, the outer wall of the filter box (8) is fixedly connected with a heat exchanger body (9) through a hose, and the end of the heat exchanger body (9) is fixedly connected with a conveying pipe (10) fixedly connected with the bottom of the transverse furnace body (2). The mounting base (1) further comprises: A control box (11) is fixedly connected to the top of the conversion box (7); A conversion mechanism (12) is arranged in the conversion box (7) for conveniently converting the movement of the recovered smoke delivery path; An adjusting mechanism (17) is arranged on the outer wall of the vertical furnace body (3) for adjusting the processing area of the transverse furnace body (2) and the vertical furnace body (3); The conversion mechanism (12) comprises an adjusting cylinder (1207), the outer wall of the control box (11) is fixedly connected with a first servo motor (1201), the output end of the first servo motor (1201) is fixedly connected with a worm (1202), the outer wall of the worm (1202) is engaged with a worm gear (1203), the rotation center of the worm gear (1203) is fixedly connected with an indicator (1204), the top of the control box (11) is fixedly connected with a protractor (1205) on one side of the indicator (1204), the rotation center of the worm gear (1203) is fixedly connected with a connecting shaft (1206), one end of the connecting shaft (1206) is fixedly connected with the adjusting cylinder (1207) which is in close contact with the inner wall of the adjusting cylinder (1207), the connecting part of the adjusting cylinder (1207) and the filter box (8) is provided with a first conversion opening (1208), the outer wall of the adjusting cylinder (1207) is provided with a second conversion opening (1209), and the connecting part of the adjusting cylinder (1207) and the connecting hose (6) is provided with a third conversion opening (1210).

2. The super L-shaped multifunctional fire resistance test furnace according to claim 1, characterized in that: The inner side walls of the transverse furnace body (2) and the vertical furnace body (3) are both provided with refractory fiber blankets, the outer frames of the transverse furnace body (2) and the vertical furnace body (3) are made of Q235 steel plates, the hearth bottoms of the transverse furnace body (2) and the vertical furnace body (3) are both paved with refractory bricks, the smoke suction cover (5) adopts a dispersion type smoke exhaust technology, and the outer wall contour of the connecting part of the transverse furnace body (2) and the vertical furnace body (3) is in an L shape.

3. The super L-shaped multifunctional fire resistance test furnace according to claim 1, characterized in that: The indicator (1204) and the control box (11) constitute a rotating structure through the worm (1202) and the worm gear (1203), and the rotation centers of the worm gear (1203) and the indicator (1204) are arranged to coincide with each other.

4. The super L-shaped multifunctional fire resistance test furnace according to claim 1, characterized in that: The adjusting cylinder (1207) is rotatably connected between the worm (1202) and the conversion box (7), the rotation center of the worm (1203) coincides with the rotation center of the adjusting cylinder (1207), the outer wall contour of the adjusting cylinder (1207) is matched with the inner wall contour of the conversion box (7), and the whole material of the adjusting cylinder (1207) and the conversion box (7) is transparent.

5. The super L-shaped multifunctional fire resistance test furnace according to claim 1, characterized in that: The center axis of the first conversion port (1208) and the center axis of the second conversion port (1209) are connected with the outer wall contour of the center axis of the third conversion port (1210) in a T shape, the inner wall of the adjusting cylinder (1207) is provided with a conveying cavity, the specific model of the heat exchanger body (9) is JNQ, and the outer wall of the conversion box (7) is fixedly connected with the connecting pipe (13).

6. The super L-shaped multifunctional fire resistance test furnace according to claim 1, characterized in that: The outer wall of the mounting seat (1) is fixedly connected with the second servo motor (14), the output end of the second servo motor (14) is fixedly connected with the first threaded rod (15), and the outer wall of the first threaded rod (15) is threadedly connected with the threaded sliding rod (16) which is slidingly connected with the outer wall of the mounting seat (1).

7. The super L-shaped multifunctional fire resistance test furnace according to claim 6, characterized in that: The threaded sliding rod (16) is reciprocatingly and slidingly connected between the first threaded rod (15) and the mounting seat (1), and is integrally and fixedly connected with the smoking cover (5).

8. The super L-shaped multifunctional fire resistance test furnace according to claim 1, characterized in that: The adjusting mechanism (17) comprises a rotating rod (1704) and a sealing plate (1705), the side wall of the vertical furnace body (3) is fixedly connected with the third servo motor (1701), the output end of the third servo motor (1701) is fixedly connected with the second threaded rod (1702), the outer wall of the second threaded rod (1702) is threadedly connected with the lifting rod (1703) which is slidingly connected with the side wall of the vertical furnace body (3), the outer wall of the lifting rod (1703) is rotatably connected with the rotating rod (1704), and one end of the rotating rod (1704) is rotatably connected with the sealing plate (1705) which is slidingly connected with the outer wall of the horizontal furnace body (2).

9. The super L-shaped multifunctional fire resistance test furnace according to claim 8, characterized in that: The lifting rod (1703) is liftingly connected between the second threaded rod (1702) and the vertical furnace body (3), the rotating rod (1704) is rotatably connected between the lifting rod (1703) and the sealing plate (1705), and the rotating rod (1704) is provided in two groups which are symmetrically distributed about the center axis of the lifting rod (1703).

10. The super L-shaped multifunctional fire resistance test furnace according to claim 8, characterized in that: The sealing plate (1705) is slidingly connected between the lifting rod (1703), the rotating rod (1704) and the horizontal furnace body (2), the sealing plate (1705) is provided in two groups which are symmetrically distributed about the center axis of the horizontal furnace body (2), and a sealing ring is arranged at the connecting position between the outer wall of the horizontal furnace body (2) and the sealing plate (1705).

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