CN114136093A - Multifunctional fire-resistant test furnace - Google Patents
Multifunctional fire-resistant test furnace Download PDFInfo
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- CN114136093A CN114136093A CN202111366574.7A CN202111366574A CN114136093A CN 114136093 A CN114136093 A CN 114136093A CN 202111366574 A CN202111366574 A CN 202111366574A CN 114136093 A CN114136093 A CN 114136093A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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Abstract
The invention provides a multifunctional fire-resistant test furnace, which comprises: the multifunctional fire-resistant test furnace comprises a furnace body, a furnace body and a test bed, wherein the furnace body comprises furnace walls on two sides and a ventilation wall, the furnace walls on the two sides are used as a main structure of the multifunctional fire-resistant test furnace, the ventilation wall is arranged between the furnace walls on the two sides, and the ventilation wall is used as an air pipeline between the furnace walls on the two sides; the matched frame is connected with the furnace body to complete the fire resistance test detection of the building component; the invention relates to a combustion system, which is connected with furnace walls on two sides, and comprises burners, pipelines and thermocouples, wherein at least one burner is arranged on the furnace walls on the two sides.
Description
Technical Field
The invention relates to the technical field of fire resistance test furnaces, in particular to a multifunctional fire resistance test furnace.
Background
A single fire-resistant test furnace can only carry out fire-resistant detection on at most two building component products, when multiple types of building components are subjected to fire-resistant tests, a plurality of fire-resistant test furnaces are required to be built, corresponding gas supply, a combustion system, smoke exhaust and dust removal equipment, a frame and the like are required to be provided for the use of each fire-resistant test furnace, and the specifications of burners, pipelines and the like used by each fire-resistant test furnace are different, so that multiple spare parts are required to be prepared for the fire-resistant tests of the traditional multiple types of building components, and the control systems (computers and control programs) of each fire-resistant test furnace are different, so that the construction cost is high, the maintenance cost is high, and the floor area is larger.
Summary of the invention
The invention aims to provide a multifunctional fire-resistant test furnace to solve the technical problems in the prior art. The technical effects generated by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a multifunctional fire-resistant test furnace, comprising:
the furnace body comprises two side furnace walls and a ventilation wall body, the two side furnace walls are used as a main body structure of the multifunctional fire-resistant test furnace, the ventilation wall body is arranged between the two side furnace walls, and the ventilation wall body is used as an air pipeline between the two side furnace walls;
the matched frame is connected with the furnace body to complete the fire resistance test detection of the building component;
the combustion system is connected with the furnace walls on the two sides and comprises burners, pipelines and thermocouples, and at least one burner is arranged on the furnace walls on the two sides.
Preferably, the basic test furnace further comprises a partition wall body, the partition wall body is arranged between the furnace walls on the two sides, the partition wall body is located above the ventilation wall body and connected with the ventilation wall body, and the partition wall body divides the basic test furnace into two vertical furnaces.
Preferably, the loading device and the guide rail are further included, the loading device is used for loading the steel beam during the test of the steel structure fireproof paint, and the guide rail supports the loading device.
Preferably, the matched frame is a vertical member frame, connecting parts are arranged on two sides of the vertical member frame, two sides of the vertical member frame are connected with the furnace walls on two sides through the connecting parts, and a hole for installing a tested piece is formed in the vertical member frame.
Preferably, the matched frame is a fireproof valve frame, connecting parts are arranged on two sides of the fireproof valve frame, two sides of the fireproof valve frame are connected with the furnace walls on two sides through the connecting parts, and a hole for installing a tested piece is formed in the fireproof valve frame.
Preferably, the steel beam experiment furnace cover is further included, the matched frame is a steel beam experiment frame, connecting portions are arranged on two sides of the steel beam experiment frame, two sides of the steel beam experiment frame are connected with the furnace walls on two sides through the connecting portions, and the steel beam experiment furnace cover is arranged above the furnace walls on two sides and the steel beam experiment frame.
Preferably, the matched frame is a tunnel coating frame and a blind plate, the tunnel coating frame is arranged at the tops of the furnace walls on the two sides, connecting parts are arranged on the two sides of the blind plate, the two sides of the blind plate are connected with the furnace walls on the two sides through the connecting parts, and a hole for installing a tested piece is formed in the tunnel coating frame.
Preferably, the matched frame is an air pipe frame and a blind plate, connecting parts are arranged on two sides of the air pipe frame, two sides of the air pipe frame are connected with the furnace walls on two sides through the connecting parts, connecting parts are arranged on two sides of the blind plate, two sides of the blind plate are connected with the furnace walls on two sides through the connecting parts, and an opening for installing a tested piece is formed in the air pipe frame.
Preferably, the furnace cover is further included, and the top of the furnace walls on the two sides is provided with a bearing part for bearing the furnace cover.
Preferably, the top of the furnace walls on the two sides is provided with a bearing part for bearing the furnace cover and the matched frame.
According to the multifunctional fire-resistant test furnace provided by the invention, the furnace body is matched with different matched frames to cover vertical building components such as doors and windows, glass and roller shutters, horizontal building components such as steel structure fire-resistant coating, fire-resistant bus ducts and the like, and fire-fighting smoke exhaust building components such as fire valves, fire-fighting smoke exhaust fans, smoke exhaust check valves and the like, so that the requirements of the test furnace can be met only by matching one set of gas supply, smoke exhaust and dust removal equipment, the construction cost is low, and the occupied area is small; the accessories are uniform in specification and convenient to maintain and replace, and requirements of a fire resistance test can be met by selecting a subprogram of a corresponding component of the program and matching with a corresponding frame system (matched frame).
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment 1 of the multifunctional fire resistance test furnace and the use method thereof according to the invention;
FIG. 2 is a schematic structural diagram of the furnace body of the invention;
FIG. 3 is a schematic structural view of the multifunctional fire-resistant test furnace and the method of using the same of the embodiment 2 of the invention;
FIG. 4 is a schematic structural view of the multifunctional fire-resistant test furnace and the method of using the same according to the embodiment 3 of the present invention;
FIG. 5 is a schematic structural view of an embodiment 5 of the multifunctional fire resistance test furnace and the use method thereof according to the invention;
FIG. 6 is a schematic structural view of the multifunctional fire resistance test furnace and the method of using the same of the embodiment 6 of the invention;
fig. 7 is a schematic structural diagram of the ventilating wall body.
In the figure: 1. two side furnace walls; 2. a ventilated wall; 3. a furnace cover 1; 4. a furnace cover 2; 5. a vertical member frame; 6. a fire damper door frame; 7. a tunnel paint frame; 8. a blind plate; 9. an air duct frame; 11. a substrate; 12. a steel beam experimental framework; 13. steel beam experimental furnace cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is obvious that the described embodiments are only a few embodiments of the invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the examples of the present invention are within the scope of the present invention.
The following detailed description of embodiments of the invention refers to the accompanying drawings. In the drawings, the same reference numerals indicate the same or corresponding features. The figures are only schematic and are not necessarily drawn to scale.
A multifunctional fire resistance test furnace comprising:
the furnace body comprises two side furnace walls 1 and a ventilation wall body 2, as shown in fig. 2, wherein the two side furnace walls are used as a main body structure of the multifunctional fire-resistant test furnace, the ventilation wall body is arranged between the two side furnace walls, and the ventilation wall body (as shown in fig. 7) is used as an air pipeline between the two side furnace walls;
the matched frame is connected with the furnace body to complete the fire resistance test detection of the building component;
and the combustion system is connected with the furnace walls on the two sides and comprises burners, pipelines and thermocouples, and at least one burner is arranged on the furnace walls on the two sides.
The furnace wall structure is characterized by further comprising a partition wall body, wherein the partition wall body is arranged between the furnace walls on the two sides, is positioned above the ventilation wall body and is connected with the ventilation wall body, and divides the basic test furnace into two vertical furnaces.
The number and the position are set according to a detection standard (GB/T9978.1-2008), the position and the number of burners of different building components in a detection test are specified in the standard, a simulation test is carried out according to the state of the components in an actual fire, in example 1, ABCAbc (or EFGefg) is used for detecting a vertical component (door and window roller shutter glass), namely, the door and window are in fire, the flame is on the vertical surface of the component, the horizontal component (steel structure fireproof paint and bus duct) is in fire, the flame is below the component, the orientation of the flame (namely, which burners are opened) in the test is determined according to the state in actual use, the standard has requirements on the number of the burners, and the requirement on the temperature in the test process also determines the number of the burners to be opened.
Example 1
The fire resistance of vertical members (window and door glass roller shutters, etc.) is detected as shown in fig. 1:
the two side furnace walls are used as the main structure of the multifunctional fire-resistant test furnace and take oxygen supply of a combustion system into consideration, the bottoms of the two side furnace walls are connected with a substrate 11, two sides of a vertical component frame are provided with connecting parts, two sides of the vertical component frame are connected with the two side furnace walls through the connecting parts, a hole for installing a tested piece is formed in the vertical component frame, two sides of the two side furnace walls are respectively connected with two vertical component frames 5, namely two furnace holes of a furnace body correspond to the vertical component frames, a ventilation wall body is arranged between the two side furnace walls, the ventilation wall body is used as an air pipeline between the two side furnace walls, a partition wall body is placed on the ventilation wall body, the test furnace is divided into two vertical test furnaces, one end of the partition wall body is connected with the ventilation wall body, the end surface of the partition wall body is flush with the tops of the two side furnace walls, then a furnace cover 1 and a furnace cover 2 are covered on the tops of the two side furnace walls, and the furnace covers 1 and the furnace cover 2 respectively correspond to the two vertical test furnaces, the method comprises the following steps that a hole is formed in a vertical component frame, a tested piece is installed in the hole of the vertical component frame, a fire-resistant control program corresponding to the vertical component is selected (the fire-resistant control program controls corresponding burners to start, as shown in figure 2, a front burner A, a burner B, a burner C works, a rear burner E, a burner F, a burner G, an electric thermocouple, a burner E, a burner G, a burner E, a burner G, a thermocouple, a temperature control program and a data acquisition record are respectively carried out on two vertical test furnaces;
the two vertical test furnaces are not interfered with each other, and can simultaneously test two vertical components, such as a front door and a rear window.
Example 2
And (3) carrying out fire resistance detection on the fire-proof valve, as shown in figure 3:
two side furnace walls are used as the main structure of the multifunctional fire-proof test furnace, oxygen supply of a combustion system is considered, the bottoms of the two side furnace walls are connected with a substrate, the two sides of the two side furnace walls are respectively connected with two fire-proof valve frames 6, namely two furnace openings of a furnace body correspond to the fire-proof valve frames, a ventilation wall body is arranged between the two side furnace walls and is used as an air pipeline between the two side furnace walls, a partition wall body is placed on the ventilation wall body, the test furnace is divided into two vertical test furnaces, one end of the partition wall body is connected with the ventilation wall body, the end face of the other end of the partition wall body is flush with the tops of the two side furnace walls, then a furnace cover 1 and a furnace cover 2 are covered on the tops of the two side furnace walls, the furnace cover 1 and the furnace cover 2 respectively correspond to the two vertical test furnaces, holes are arranged on the fire-proof valve frames, a tested piece is arranged at the hole of the fire-proof valve frames, a pipeline required for detecting the fire-proof valve is matched, and a fire-proof control program corresponding to the fire-proof valve is selected (a burner starting work is controlled by the fire-proof control program As shown in fig. 2, burners a, B, C, a, B, and C operate), the combustion system includes a burner, a pipeline, and a thermocouple, a plurality of burners are provided on the furnace walls on both sides, the burners are connected to the combustion system through the pipeline, the combustion system is configured with oxygen supply, the thermocouples are provided in the two vertical test furnaces, and the fire-resistant control program performs temperature control and data acquisition recording on the two vertical test furnaces respectively.
Example 3
And (3) carrying out fire resistance detection on the steel structure fireproof coating, as shown in figure 4:
coating paint on steel beams for testing, taking two side furnace walls as a main body structure of a multifunctional fire-resistant test furnace and considering oxygen supply of a combustion system into consideration, connecting bases 11 at the bottoms of the two side furnace walls, respectively connecting two sides of the two side furnace walls with two steel beam experiment frames, namely, two furnace mouths of a furnace body correspond to the steel beam experiment frames 12, arranging a ventilation wall between the two side furnace walls, taking the ventilation wall as an air pipeline between the two side furnace walls, placing a steel beam experiment furnace cover 13 above the two side furnace walls and the steel beam experiment frames, installing a steel beam, installing a loading system (loading device) above a guide rail, selecting a fire-resistant control program corresponding to the steel structure fire-resistant paint (the fire-resistant control program controls the corresponding burner starting work, such as burners BFHI and BFHI work shown in figure 2), wherein the combustion system comprises burners, pipelines and thermocouples, and is provided with a plurality of burners on the two side furnace walls, the burner is connected with a combustion system through a pipeline, the combustion system is provided with oxygen supply, a thermocouple is arranged in the test furnace, and a fire-resistant control program respectively carries out temperature control and data acquisition and recording on the test furnace.
Example 4
Carrying out fire-resistant detection on the fire-resistant bus duct:
furnace walls on two sides serve as a main body structure of the multifunctional fire-resistant test furnace, oxygen supply of a combustion system is considered, bases are connected to the bottoms of the furnace walls on the two sides, two sides of the furnace walls on the two sides are respectively connected with two steel beam experiment frames, a ventilation wall body is arranged between the furnace walls on the two sides and serves as an air pipeline between the furnace walls on the two sides, steel beam experiment furnace covers are placed above the furnace walls on the two sides and the steel beam experiment frames, a fire-resistant bus duct is installed, corresponding fire-resistant program control programs (such as the operation of burners BFHI and BFHI) are selected, and temperature control and data acquisition recording are carried out on the test furnace.
Example 5
The fire resistance test of the tunnel coating is carried out, as shown in fig. 5:
the two side furnace walls are used as the main structure of the multifunctional fire-resistant test furnace, oxygen supply of a combustion system is considered, the bottoms of the two side furnace walls are connected with a substrate, a tunnel coating frame is placed on the two side furnace walls (one side), a blind plate 8 is placed at the furnace mouth at one side, a ventilation wall body is arranged between the two side furnace walls, the ventilation wall body is used as an air pipeline between the two side furnace walls, a partition wall body is placed on the ventilation wall body, one end of the partition wall body is connected with the ventilation wall body, the end surface of the other end of the partition wall body is flush with the tops of the two side furnace walls, a tested piece is installed at the hole of the tunnel coating frame 7, a fire-resistant control program corresponding to the tunnel coating is selected (the fire-resistant control program controls the corresponding burners to start, as shown in figure 2, burners ABDI and ABDI work), the combustion system comprises burners, pipelines and thermocouples, a plurality of burners are arranged on the two side furnace walls, and the burners are connected with the combustion system through the pipelines, the combustion system is provided with oxygen supply, a thermocouple is arranged in the basic test furnace, and a fire-resistant control program is used for temperature control and data acquisition and recording.
Example 6
Fire resistance testing was performed on the ductwork as shown in fig. 6:
the two side furnace walls are used as a main structure of the multifunctional fire resistance test furnace, oxygen supply of a combustion system is considered, the bottoms of the two side furnace walls are connected with a substrate, a blind plate is placed at a furnace opening on one side, an air pipe frame is placed at a furnace opening on the other side, connecting parts are arranged on two sides of the air pipe frame, two sides of the air pipe frame are connected with the two side furnace walls through the connecting parts, the two sides of the blind plate are connected with the two side furnace walls through the connecting parts, two holes for installing a tested piece are formed in the air pipe frame, the tested piece is installed on the hole of the air pipe frame 9, a furnace cover 1 and a furnace cover 2 are placed on the two side furnace walls, a corresponding fire resistance program control program is selected (as shown in figure 2, a burner B, a burner F, a burner H, a burner I, a burner B, F, a burner H and a burner I work), and temperature control and data acquisition records are carried out on the test furnace.
The fire-resistant control program mainly comprises the following control steps:
s1: selecting a corresponding test area, namely the whole test furnace or only a single-side test furnace;
s2: starting the burner after selecting the burner;
s3: igniting;
s4: and measuring the temperature by using a thermocouple, comparing the temperature data obtained by the thermocouple, and adjusting the burner.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A multifunctional fire resistance test furnace is characterized by comprising:
the furnace body comprises two side furnace walls and a ventilation wall body, the two side furnace walls are used as a main body structure of the multifunctional fire-resistant test furnace, the ventilation wall body is arranged between the two side furnace walls, the bottoms of the two side furnace walls are connected with a substrate, the two side furnace walls, the ventilation wall body and the substrate form the furnace body with two furnace openings, and the ventilation wall body is used as an air pipeline between the two side furnace walls;
the matched frame is connected with the furnace body to complete the fire resistance test detection of the building component;
the combustion system is connected with the furnace walls on the two sides and comprises burners, pipelines and thermocouples, and at least one burner is arranged on the furnace walls on the two sides.
2. The multifunctional fire resistance test furnace of claim 1, further comprising a partition wall, wherein the partition wall is arranged between the two side furnace walls, the partition wall is positioned above and connected with the ventilation wall, and the partition wall divides the basic test furnace into two vertical furnaces.
3. The multifunctional fire-resistant test furnace of claim 2, further comprising a loading device and a guide rail, wherein the loading device is used for loading the steel beam during the test of the steel structure fire-resistant coating, and the guide rail supports the loading device.
4. The multifunctional fire resistance test furnace of claim 2, wherein the mating frame is a vertical member frame, two sides of the vertical member frame are provided with connecting parts, two sides of the vertical member frame are connected with the furnace walls at two sides through the connecting parts, and the vertical member frame is provided with a hole for installing a tested piece.
5. The multifunctional fire resistance test furnace according to claim 2, wherein the matching frame is a fire valve frame, connecting parts are arranged on two sides of the fire valve frame, two sides of the fire valve frame are connected with the furnace walls on two sides through the connecting parts, and a hole for installing a tested piece is formed in the fire valve frame.
6. The multifunctional fire-resistant test furnace according to claim 3, further comprising a steel beam test furnace cover, wherein the matching frame is a steel beam test frame, connecting portions are arranged on two sides of the steel beam test frame, two sides of the steel beam test frame are connected with the two side furnace walls through the connecting portions, and the steel beam test furnace cover is arranged above the two side furnace walls and the steel beam test frame.
7. The multifunctional fire-resistant test furnace of claim 2, wherein the matched frames are a tunnel coating frame and a blind plate, the tunnel coating frame is arranged on the tops of the two side furnace walls, connecting parts are arranged on two sides of the blind plate, two sides of the blind plate are connected with the two side furnace walls through the connecting parts, and a hole for installing a tested piece is formed in the tunnel coating frame.
8. The multifunctional fire-resistant test furnace according to claim 1, wherein the matching frames are an air pipe frame and a blind plate, connecting parts are arranged on two sides of the air pipe frame, two sides of the air pipe frame are connected with the furnace walls on two sides through the connecting parts, connecting parts are arranged on two sides of the blind plate, two sides of the blind plate are connected with the furnace walls on two sides through the connecting parts, and a hole for installing a tested piece is formed in the air pipe frame.
9. The multifunctional fire resistance test furnace according to claim 1, further comprising furnace covers, wherein the tops of the two furnace walls are provided with receiving parts for receiving the furnace covers.
10. The multifunctional fire resistance test furnace of claim 9, wherein the top of each of the two furnace walls is provided with a receiving portion for receiving the furnace cover and the mating frame.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114926004A (en) * | 2022-05-13 | 2022-08-19 | 镇江西门子母线有限公司 | Method and system for evaluating fire resistance of ceramic-based composite bus duct |
| CN117110514A (en) * | 2023-08-01 | 2023-11-24 | 南方检测认证股份有限公司 | Method for measuring steel structure fireproof paint by using vertical combustion test furnace |
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