CN111219988B - Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system - Google Patents

Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system Download PDF

Info

Publication number
CN111219988B
CN111219988B CN202010069176.8A CN202010069176A CN111219988B CN 111219988 B CN111219988 B CN 111219988B CN 202010069176 A CN202010069176 A CN 202010069176A CN 111219988 B CN111219988 B CN 111219988B
Authority
CN
China
Prior art keywords
furnace body
fire
furnace
special
resistant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010069176.8A
Other languages
Chinese (zh)
Other versions
CN111219988A (en
Inventor
仝玉
刘庆
孟天畅
王礼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianyan Fire Prevention Technology Co ltd
China Academy of Building Research CABR
Original Assignee
Jianyan Fire Prevention Technology Co ltd
China Academy of Building Research CABR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jianyan Fire Prevention Technology Co ltd, China Academy of Building Research CABR filed Critical Jianyan Fire Prevention Technology Co ltd
Priority to CN202010069176.8A priority Critical patent/CN111219988B/en
Publication of CN111219988A publication Critical patent/CN111219988A/en
Application granted granted Critical
Publication of CN111219988B publication Critical patent/CN111219988B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • F27D1/0009—Comprising ceramic fibre elements
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
    • F27D17/002—Details of the installations, e.g. fume conduits or seals
    • 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
    • F27D19/00—Arrangements of controlling devices
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/0005—Cooling of furnaces the cooling medium being a gas
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • F27D2021/026—Observation or illuminating devices using a video installation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention provides an assembled fire-resistant experimental furnace and a fire-resistant experimental system comprising the same, wherein the fire-resistant experimental furnace comprises a base, a furnace body, a steel frame structure, a burner device and a high-temperature-resistant camera device, the base is arranged below the furnace body, and a first row of flues are arranged in the inner space of the base; the furnace body is formed by assembling a plurality of ceramic fiber zirconium shield special-shaped pieces, and the burner device and the high-temperature-resistant camera device respectively provide combustion and camera functions for the furnace body through a preformed hole in the ceramic fiber zirconium shield special-shaped pieces; the steel frame construction includes first steel frame construction and second steel frame construction, a plurality of ceramic fibre zirconium shield dysmorphism pieces of fixed are connected to first steel frame construction, and second steel frame construction establishes at the furnace body periphery, strengthens the bulk strength of furnace body to and support the bell.

Description

Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system
Technical Field
The invention belongs to the technical field of fire-resistant experimental equipment, and particularly relates to an assembled fire-resistant experimental furnace and a fire-resistant experimental system comprising the same.
Background
With the development of modern building technology and urbanization, high requirements are put forward on the fire resistance and fire resistance of building structures, fire-proof doors and windows, ventilation pipelines and the like. The research on the fire resistance of the structure is of great significance to both academic research and technological progress. The refractory laboratory furnace is an important apparatus for conducting relevant research and testing. Traditional fire resistance test stove is fixed dimension mostly, even multi-functional experimental furnace, but fire door and oven can change in a flexible way, and when the fire resistance experiment of size surpassing conventional test piece is carried out to needs, perhaps during the fire resistance experiment of the special-shaped test piece of structure, the size of general experimental furnace is fixed, can't satisfy the experiment requirement for cost increase, extravagant manpower and time.
At present, a small number of fittings of the fire-resistant experimental furnace are assembled or assembled, the fittings are assembled according to actual needs during use and can be recycled, however, the assembly research on the whole experimental furnace and supporting facilities thereof is not mature. How to design the experimental furnace convenient to assemble and capable of meeting the size of most of the refractory experimental test pieces is a problem faced by technical personnel in the field, how to better control temperature deviation so that a test result is more accurate, and the experimental furnace is also a systematic problem requiring overall comprehensive consideration.
Disclosure of Invention
In order to solve the problems, the invention provides an assembled fire-resistant experimental furnace and a fire-resistant experimental system comprising the same, wherein the fire-resistant experimental furnace comprises a base, a furnace body, a steel frame structure, a burner device and a high-temperature-resistant camera device, the base is arranged below the furnace body, and a first row of flues are arranged in the inner space of the base; the furnace body is formed by assembling a plurality of ceramic fiber zirconium shield special-shaped pieces, and the burner device and the high-temperature-resistant camera device respectively provide combustion and camera functions for the furnace body through a preformed hole in the ceramic fiber zirconium shield special-shaped pieces; the steel frame construction includes first steel frame construction and second steel frame construction, a plurality of ceramic fibre zirconium shield dysmorphism pieces of fixed are connected to first steel frame construction, and second steel frame construction establishes at the furnace body periphery, strengthens the bulk strength of furnace body to and support the bell.
The base plays supporting role to the furnace body for leave the space between furnace body and the ground simultaneously, be convenient for arrange first row flue in the furnace body below, on the other hand, the base is thermal-insulated to be handled, prevents that the heat of furnace body is direct to conduct ground from the furnace body below, improves the heat preservation heat-proof quality of fire-resistant experimental furnace.
The base is even as an organic whole with the furnace body, for example, the furnace body concatenation is in the base top, is equipped with high temperature resistant cotton between furnace body and the base, plays heat preservation, buffering and sealed effect, improves the heat insulating ability of fire-resistant experimental furnace.
The base is internally provided with a first row of flues, the upper surface of the first row of flues is communicated with the interior of the furnace body, the side surface of the base is provided with a flue outlet, the flue outlet is used for connecting the first row of flues with a smoke exhaust pipeline outside the furnace body, and the first smoke exhaust channel is used for guiding smoke inside the furnace body and exhausting the furnace body, so that the pressure in the furnace body is balanced and the furnace body can run safely. The shape of the first row of flues is selected from a straight line shape or a curve shape, and the shape of the first row of flues is designed to be suitable according to the specific shape of the test piece, for example, the shape of the first row of flues is two or more straight line-shaped channels which are arranged side by side, and the straight line-shaped channels are connected into the flue outlet after being connected in parallel; the first row of flues is a circular or square channel, and one end of the channel is connected to the outlet of the flues.
The height of the base is flexibly set according to the size and the experiment temperature of a test piece in the furnace body, the base is preferably cubic, the base and the first row of flues are preferably made of concrete, and a layer of heat insulating material is laid on the surface of the base and can meet the requirements of supporting strength and heat insulation.
The furnace body is assembled by a plurality of ceramic fiber zirconium shield dysmorphism pieces and forms, like this, makes the shape of fire-resistant experimental furnace can be according to the size of test piece and nimble setting. Most of the traditional fire-resistant experimental furnaces are fixed in size, and through improvement of technicians in the field, a multifunctional experimental furnace is gradually developed, the overall dimension is also fixed, only the opening direction of a furnace mouth can be flexibly changed, and the experimental requirements of non-standard special-shaped fire-resistant components can not be met. The furnace body of the fire-resistant experimental furnace is formed by assembling a plurality of ceramic fiber zirconium shield special-shaped pieces, so that the furnace body with proper height, thickness and width can be conveniently built according to the shapes of different test pieces, the energy waste of redundant firing space of a larger furnace body is avoided, and when the furnace body is not used, the special-shaped pieces are disassembled, so that the occupied area is small.
Preferably, the shape of the furnace body is a cube, and more preferably, the shape of the furnace body is selected from a horizontal cube or a vertical cube, namely, the furnace body can meet the requirements of most test pieces.
Preferably, the dysmorphism piece is ceramic fibre zirconium shield dysmorphism board, ceramic fibre zirconium shield dysmorphism board is equipped with and runs through at least one preformed hole of dysmorphism board, the preformed hole is used for combustor device and high temperature resistant camera device to pass through and provide burning and camera shooting function in the entering furnace body.
In the invention, in order to adapt to the splicing of the cubic furnace body and the uniform arrangement of the burner device and the high-temperature resistant camera device, the ceramic fiber zirconium shield special-shaped plates adopt four ceramic fiber zirconium shield special-shaped plates with different sizes and shapes, namely a first special-shaped plate, a second special-shaped plate, a third special-shaped plate and a fourth special-shaped plate. The height, the width and the thickness of the first special-shaped plate are respectively (1-1.5) m, (0.8-1) m and (0.3-0.5) m, and the first special-shaped plate is arranged at the position of a top corner of the furnace body. The second profiled sheet, the third profiled sheet and the fourth profiled sheet are the same in size, and the height, the width and the thickness of the second profiled sheet are (1-1.5) m, (0.5-0.8) m and (0.3-0.5) m respectively. Preferably, the ceramic fiber zirconium shield special-shaped plates are equal in height and thickness, and are convenient to assemble and uniform and stable in heat preservation performance.
Preferably, the third irregular plate and the fourth irregular plate are completely the same, and have preformed holes, which are called as a third preformed hole and a fourth preformed hole, respectively, and the high temperature resistant camera device is installed through the third preformed hole, the burner device is installed through the fourth preformed hole, and the third irregular plate can be used as the fourth irregular plate after being turned upside down.
The volume weight of the ceramic fiber zirconium shield special-shaped plate is 300-400kg/m 3 Preferably, the volume weight of the ceramic fiber zirconium shield special-shaped plate is 350-400kg/m 3 。
The size and the arrangement position of the reserved holes of the four ceramic fiber zirconium shield special-shaped plates are convenient to distinguish the special-shaped plates with different functions and positions, and more importantly, the design of the four ceramic fiber zirconium shield special-shaped plates can be well suitable for assembling the furnace body for most size test pieces. Every the size of dysmorphism board is not big, and the operating personnel of being convenient for assemble, when assembling the furnace body within 10 meters simultaneously, the quantity of required dysmorphism board also can not be too big, has rationally reduced the cost and has assembled the degree of difficulty.
The high-temperature-resistant camera device and the burner are flexibly arranged at the proper positions of the furnace body through the change of the positions of the special-shaped plates, and one or more special-shaped plates can be arranged.
Preferably, according to actual needs, the preformed hole is inserted into a pressure tapping pipe, so that the pressure inside the furnace body can be measured conveniently.
Every the first steel-frame construction of outside fixed connection of dysmorphism board, it is preferred, first steel-frame construction is square frame, be equipped with at least one bolt groove on the length of side of square frame both sides respectively, when two when the dysmorphism board is the horizontal concatenation side by side, every the first steel-frame construction on the dysmorphism board is in on the same horizontal plane, and the bolt groove on the length of side of adjacent first steel-frame construction also is in on the same horizontal plane to a bolted connection, accomplish two with this assembly and fixing between the dysmorphism board. When two the dysmorphism board is during vertical concatenation side by side, every first steel frame construction on the dysmorphism board is in same vertical on-line, and corresponds from top to bottom, and the bolt groove on the length of side of adjacent first steel frame construction also is in same vertical on-line to use a bolted connection, accomplish two with this assemble and fix between the dysmorphism board.
Preferably, each edge of the first steel frame structure is provided with 1-2 bolt grooves, so that the first steel frame structure can be fixedly connected in multiple directions.
Preferably, ceramic fiber paper is filled between the adjacent special-shaped plates, and the ceramic fiber paper has excellent high-temperature resistance, heat insulation performance and melt infiltration resistance and plays a role in sealing and heat insulation. The ceramic fiber paper is selected from ceramic fiber soft paper or ceramic fiber semi-hard paper.
The furnace cover is arranged at the top of the furnace body and can be formed by splicing ceramic fiber zirconium shield special-shaped plates into a whole plate, the furnace cover can also be formed by manufacturing plates from other fireproof heat-insulating materials, and under the condition that a test piece is higher than the furnace body, the furnace cover is replaced by aluminum silicate fiber cotton, and the bulk density of the aluminum silicate fiber cotton is 100-150 kg/m- 3 Preferably, the aluminum silicate fiber cotton, the furnace body and the part of the test piece higher than the furnace body are bonded by using a high-temperature-resistant adhesive, so that the requirements of heat preservation and heat insulation are met. The furnace lid is supported by a second steel frame structure.
The second steel frame construction establishes around the furnace body is outside, and the bottom contact ground of second steel frame construction, bolt and first steel frame construction fixed connection are passed through on the top, and the middle part is equipped with the support, the support encircles outside a week of furnace body, and is preferred, and second steel frame construction is fixed mutually with oil supply pipeline and cooling gas pipeline in some positions, plays the effect of supporting oil supply pipeline and cooling gas pipeline.
The oil supply pipeline comprises an oil inlet pipeline and an oil return pipeline, one end of the oil inlet pipeline is connected with an oil tank and an oil pump and then winds around the furnace body for a circle, the other end of the oil inlet pipeline is connected with an inlet of the oil return pipeline, the oil return pipeline winds around the furnace body for a circle, and an outlet of the oil return pipeline is connected with a residual oil recovery oil tank; and the oil inlet pipeline and the oil return pipeline supply oil and discharge oil for each burner device through the oil way interfaces. Preferably, the oil way interface is provided with a valve, so that oil supply and oil outlet of each combustor device can be controlled independently.
The burner apparatus of the present invention is a burner used in imported refractory pilot furnaces, and in one embodiment of the present invention, the burner apparatus is a BTL 20P burner of baltrer with a power of 0.5 kW. The host computer of combustor is fixed the outside of fourth dysmorphism board, inside the combustion head stretched into the furnace body through the fourth preformed hole, can change the combustor of different models according to different intensification conditions.
Air compressor is connected to cooling gas pipeline one end, then around furnace body a week, and the position that the cooling gas pipeline is close to high temperature resistant camera device is equipped with the gas circuit interface, and the cooling gas pipeline passes through the gas circuit interface and provides cooling gas and exhaust for high temperature resistant camera device, and is preferred, the gas circuit interface is equipped with the valve, is convenient for the air feed and the exhaust of every high temperature resistant camera device of independent control.
The high-temperature resistant camera device is a commercially available high-temperature resistant camera, in a specific embodiment of the invention, the high-temperature resistant camera device is LM-NZ 700 pneumatic high-temperature industrial television equipment and is suitable for a high-temperature environment, a probe of the high-temperature resistant camera device is made of double-layer stainless steel materials, water is introduced into an interlayer of the high-temperature resistant camera device for direct cooling, cooling gas is introduced into an inner layer of the high-temperature resistant camera device for cooling the camera and a lens, and meanwhile, the cooling gas is sprayed out from the front end of the high-temperature resistant camera device to form an air curtain, and the high-temperature resistant camera device can enable a camera lens to directly extend into a furnace body for 24 hours to observe conditions of work piece operation, material melting, flame shape and the like in the furnace. The cooling air pipeline provides cooling air for the high-temperature-resistant camera device to ensure normal camera shooting work, and when the supply of the cooling air is insufficient or stopped, the temperature of the high-temperature-resistant camera device is too high, a protection program is started, shooting is stopped, and the furnace body is withdrawn, so that timely and sufficient supply of the cooling air is ensured.
The high-temperature-resistant camera device is provided with a cooling gas protection device, so that when the ambient temperature in the furnace is 1800 ℃, the temperature near the camera is not more than 55 ℃. Preferably, the cooling gas flux is 0.3-0.8 MPa.
The oil path interface and the gas path interface are both parallel to the ground or perpendicular to the ground, so that the design is convenient for adapting to furnace bodies with different shapes, for example, when the furnace body adopts a horizontal cube, the oil path interface and the gas path interface are both perpendicular to the ground, and are convenient for connecting a burner or a high-temperature-resistant camera device; when the furnace body adopts a vertical cube, the oil circuit interface and the gas circuit interface are parallel to the ground, so that the furnace body is convenient to connect a burner or a high-temperature-resistant camera device.
The fire-resistant experimental furnace integrally adopts an assembly type form, the furnace body is formed by assembling ceramic fiber zirconium shield special-shaped pieces with four special sizes and preset hole designs, the furnace body can be conveniently assembled into a plurality of forms such as a horizontal cuboid, a vertical cuboid or a cube furnace shape, and the like, the furnace body is suitable for fire-resistant tests of test pieces with different sizes and different shapes, specific fixing frames/walls are prevented from being manufactured for different test pieces, the cost is saved, and the furnace body conforms to the development trend of modern assembly type buildings. The fire-resistant experimental furnace easily assembles, connects each fixed ceramic fiber zirconium shield dysmorphism piece through first steel frame construction, forms furnace body structure, and second steel frame construction not only connects and further fixes the furnace body, supports moreover fuel feed line and cooling gas pipeline assist the completion burning and the function of making a video recording. The fire-resistant experimental furnace structure is regular, and furnace body, steel frame construction, oil feed pipeline, cooling gas pipeline, combustor device and high temperature resistant camera device all can be in a flexible way dismouting and arrange, and the deuterogamy oil circuit interface and gas circuit interface set up the direction, satisfy the requirement of differentiation experiment.
The furnace body is formed by splicing four ceramic fiber zirconium shield special-shaped pieces with special sizes and preset hole designs, the ceramic fiber paper is arranged between the adjacent special-shaped pieces, and the arrangement of the ceramic fiber paper is combined with the special-shaped plate provided by the invention for use, so that high-temperature smoke is prevented from leaking from the special-shaped plates and damaging a burner device and a high-temperature resistant camera device exposed outside the furnace body, meanwhile, the heat insulation performance of the furnace body is improved, and the experiment precision and the accuracy of the fire-resistant experiment furnace are improved. In addition, the combustor device cooperation the nimble of fourth dysmorphism board around the furnace body is arranged, is convenient for adjust the experiment temperature and the position of receiving a fire of being tested, is convenient for carry out the experiment that the precision is higher or different requirements. The size of the furnace body is adjusted according to the size of a tested piece, and meanwhile, a reasonable experimental space, namely a heating space, is defined, so that heat energy is reasonably utilized, and the problems that the heat energy is lost or the temperature is too high and is difficult to control due to too large or too small heating space are avoided. The technical characteristics are matched with the first row of flues, redundant heat and smoke in the furnace body are discharged in time, the stable pressure of the smoke is discharged, a good temperature control effect is achieved, and the experimental accuracy is improved.
The invention provides a fire-resistant experimental system which comprises a fire-resistant experimental furnace, a smoke exhaust system, a gas supply device, an oil supply device and a control system, wherein the smoke exhaust system comprises a smoke collecting hood and a smoke exhaust fan; the gas supply device is connected with the cooling gas pipeline, and the oil supply device is connected with the oil supply pipeline; the control system is connected with the burner device, the smoke exhaust fan, the gas supply device and the oil supply device and used for controlling the combustion and smoke exhaust conditions of the fire-resistant experimental furnace, and the control system can control the temperature rise process of the burner device according to a standard/non-standard temperature rise curve.
The smoke exhaust system comprises a smoke collecting hood and a smoke exhaust fan, wherein the smoke collecting hood is arranged above the fire-resistant experimental furnace and is used for collecting smoke emitted above the furnace body; the second discharge flue is connected at the outside top of collection petticoat pipe, the second discharge flue extends to ground after, with the first exhaust flue of fire-resistant experimental furnace is parallelly connected, smoke exhaust fan passes through discharge flue and connects second discharge flue and first exhaust flue, takes out the flue gas that collection petticoat pipe and first exhaust flue collected from fire-resistant experimental system, pressure in the balanced stove keeps the air clean.
Preferably, the smoke exhaust pipeline is introduced into a washing filter tank to filter and purify smoke.
Preferably, the air supply device comprises an air compressor and a pressure stabilizing air bottle, and the air compressor is sequentially connected with the pressure stabilizing air bottle and the cooling air pipeline. The air compressor provides the cooling gas, and the cooling gas gets into steady voltage gas cylinder and keeps in, works as when high temperature resistant camera device needs the air feed, steady voltage gas cylinder with be not more than 0.4Mpa the pressure to the cooling gas pipeline air feed guarantees high temperature resistant camera device normal operating.
Preferably, the oil supply device comprises an oil tank and an oil pump, and the oil tank is connected with the oil supply pipeline through the oil pump.
Specifically, the control system is connected with the combustor device, the smoke exhaust fan, the oil pump and the air compressor to control the combustion and smoke exhaust conditions of the fire-resistant experimental furnace. The control system is responsible for centralized control of the starting, stopping and running conditions of each combustor device, controls the starting, stopping and running conditions of the air compressor, the oil pump and the smoke exhaust fan, and controls fault alarm. Preferably, the control system controls the start, stop and operation of each high temperature resistant camera.
Preferably, a temperature measuring device is arranged in the furnace body and is connected with the control system through a line, so that the temperature in the furnace body can be monitored in real time conveniently.
The control system comprises a control cabinet, wherein each control cabinet is provided with a start button, a stop button, a fire indicator and an operation indicator of the combustor device, a start button, a stop button and an operation indicator of the air compressor, a start button, a stop button and an operation indicator of the oil pump, a start button, a stop button, an operation indicator of the smoke exhaust fan and a fault indicator.
The control system also comprises control software which can control the temperature rising process of each combustor device according to a standard temperature rising curve or a non-standard temperature rising curve, so that not only are experimental conditions of the standard temperature rising curve which is in line with the national regulation provided for the fire resistance experiment of a test piece provided, but also the non-standard temperature rising curve relative to the standard temperature rising curve is obtained through theoretical calculation for the test piece which is reduced in size according to the actual requirement, and the experiment is carried out according to the non-standard temperature rising curve. Preferably, the control software monitors the temperature measuring device in the furnace body, adjusts the temperature according to actual needs, and adjusts the temperature in the furnace body by adjusting the combustion of the burner device and the smoke exhaust and heat exhaust of the smoke exhaust fan.
The control system can accurately control the discharged waste gas amount of the first exhaust flue and the second exhaust flue through the smoke exhaust fan, namely, the heat exhaust amount of the exhaust flue is controlled, the control system can also accurately control the heat emitted by each burner device, and the design of the fire-resistant experimental furnace for improving the experimental accuracy is combined, so that the test temperature deviation in the furnace body is less than 1 percent, even less than three thousandths.
The fire-resistant experimental system provides a plurality of auxiliary functions of smoke exhaust, oil supply, gas supply and control for the fire-resistant experimental furnace, realizes clean smoke exhaust, controllable gas and oil supply, automatic centralized control, especially controllable gas and oil supply, ensures stable operation of the burner device, accurate experiment, stable operation of the high-temperature resistant camera device and continuous monitoring of combustion conditions in the furnace. The fire-resistant experiment system can reasonably select a temperature rise curve according to the condition of a test piece, and the experiment range is widened.
Drawings
FIG. 1 is a top view of a horizontal furnace body.
FIG. 2 is a schematic view of the connection between the second shaped plate and the first steel frame structure.
FIG. 3 is a structural view of a horizontal refractory laboratory furnace.
FIG. 4 is a schematic view of a vertical furnace, wherein (a) is a plan view, and (B) is a sectional view taken along line A-A ', and (c) is a sectional view taken along line B-B'.
FIG. 5 is a schematic diagram of a refractory experimental system, wherein (a) is a side view and (b) is a top view.
In the attached drawings, 1-a base, 101-a first flue, 2-a furnace body, 201-a first special-shaped plate, 202-a second special-shaped plate, 203-a third special-shaped plate, 204-a fourth special-shaped plate, 205-a third reserved hole, 206-a fourth reserved hole, 3-a first steel frame structure, 301-a bolt groove, 302-a bolt, 4-aluminum silicate fiber cotton, 5-a furnace cover, 6-a burner, 7-a high-temperature camera, 8-a second steel frame structure, 801-a bracket, 9-an oil inlet pipeline, 901-an oil return pipeline, 902-an oil pipeline interface, 903-an air passage interface, 904-a cooling air pipeline, 10-a smoke collecting hood, 1001-a second smoke exhaust pipeline, 11-a smoke exhaust fan, 12-a water washing pool and 13-an air compressor, 14-a pressure stabilizing gas cylinder, 15-an oil tank, 16-an oil pump and 17-a control cabinet.
Detailed Description
EXAMPLE 1 horizontal fire-resistant laboratory furnace
The structure of the horizontal assembled fire-resistant experimental furnace of the embodiment is shown in fig. 1-3, and the fire-resistant experimental furnace comprises a base 1, a furnace body 2, a steel frame structure, a burner 6 and a high-temperature camera 7. The base 1 is arranged below the furnace body 2, plays a role in supporting and insulating heat for the furnace body 2, and simultaneously leaves a space between the furnace body 2 and the ground, so that the first row of flues 101 are arranged below the furnace body 2. The base 1 and the furnace body 2 are connected into a whole through high-temperature-resistant cotton, so that the buffering, sealing and heat-insulating properties of the fire-resistant experimental furnace are improved. The burner 6 and the high-temperature camera 7 enter the furnace through a preformed hole on the ceramic fiber zirconium shield special-shaped plate to respectively provide burning and camera shooting functions for the furnace body 2; the steel frame construction includes first steel frame construction 3 and second steel frame construction 8, and a plurality of ceramic fibre zirconium shield dysmorphism boards are connected and fixed to first steel frame construction 3, and second steel frame construction 8 is established in furnace body 2 periphery, strengthens the bulk strength of furnace body 2 to and support the bell.
The inside first row flue 101 that is equipped with of base 1, the upper surface of first row flue 101 communicates with each other with furnace body 2 is inside, and base 1 side is equipped with the flue export, and the flue export is used for connecting first row flue 101 and the outside smoke exhaust pipe of furnace body, and first row flue 101 is used for guiding the inside flue gas of furnace body 2 and discharges the furnace body for pressure balance in the furnace body, safe operation. The first row of flues 101 in this embodiment is in the shape of two linear square channels arranged side by side, and the linear channels are connected in parallel and then connected to the flue outlet.
The base 1 and the first row of flues 101 are made of reinforced concrete, a layer of heat insulation material is paved on the surface of the base 1, and the base 1 is in a cubic shape and has a height of 0.6 m.
The furnace body 2 is formed by assembling 38 ceramic fiber zirconium shield different plates, and the furnace body 2 is shaped as a horizontal cube, so that when the furnace body is not used, the special-shaped plates are detached, and the occupied area is small. The furnace body 2 comprises four first profiled plates 201, 18 second profiled plates 202, 6 third profiled plates 203 and ten fourth profiled plates 204. The first special-shaped plate 201 is 1m × 0.8m × 0.3m in height, width and thickness and is arranged at four top corners of the furnace body 2. The second profile plate, the third profile plate and the fourth profile plate are the same in size, and are 1m multiplied by 0.5m multiplied by 0.3m in height, width and thickness.
The third irregular plate 203 and the fourth irregular plate 204 are identical, and are respectively provided with a reserved hole, which is correspondingly called as a third reserved hole 205 and a fourth reserved hole 206, the high-temperature camera 7 is installed through the third reserved hole, the burner 6 is installed through the fourth reserved hole, and the third irregular plate 203 can be used as a fourth irregular plate after being turned upside downThe plate 204 is used. The third irregular plate 203 is provided with a third preformed hole 205, the diameter of the third preformed hole 205 is 16cm, and the circle center of the third preformed hole 305 is 32cm away from the top edge of the third irregular plate. The volume weight of the ceramic fiber zirconium shield special-shaped plate is 350kg/m 3 。
The furnace body 2 is assembled as shown in figure 1, and the furnace body 2 only has a layer of ceramic fiber zirconium shield special-shaped plate with the total height of 5.5m, the total width of 4m and the height of 1 m. The combustor 6 is evenly arranged on the outer wall of the furnace body 2, and the high-temperature camera 7 is arranged beside the combustor 6, so that the burning state in the furnace body can be observed conveniently.
The outside of every ceramic fibre zirconium shield dysmorphism board is with first steel frame construction 3 of screw or bolt fixed connection, and first steel frame construction 3 is rectangular frame, all is equipped with 2 bolt grooves 301 on the long edge of first steel frame construction 3, all is equipped with 1 bolt groove on the short edge, and the first steel frame construction 3 of being convenient for is fixed connection multi-directionally. When two ceramic fiber zirconium shield special-shaped plates are horizontally spliced side by side, the first steel frame structure 3 on each special-shaped plate is positioned on the same horizontal plane, the bolt grooves 301 on the side length of the adjacent first steel frame structures are also positioned on the same horizontal plane and connected by a bolt 302, and therefore the splicing and fixing of the two special-shaped plates are completed. When two dysmorphism boards are vertically spliced side by side, first steel frame construction 3 on every dysmorphism board is in same vertical on-line, and corresponds from top to bottom, and the bolt groove 301 on the length of side of adjacent first steel frame construction 3 also is in same vertical on-line to use a bolted connection, accomplish assembling and fixing between two dysmorphism boards with this. In fig. 2, the connection among the first steel frame structures among the second special-shaped plates 202, the third special-shaped plates 203 and the fourth special-shaped plates 204 is taken as an example, horizontal and vertical connection modes are shown, the different special-shaped plates can be flexibly and firmly assembled, and furnace bodies with different shapes can be assembled.
Ceramic fiber soft paper is filled between adjacent special-shaped plates to play a role in sealing and heat insulation.
Since the height of the test piece is greater than that of the furnace body 2 in the embodiment, the furnace cover cannot adopt a full-coverage form. The furnace cover 5 arranged on the top of the furnace body 2 is aluminum silicate fiber cotton 4, and the volume weight of the aluminum silicate fiber cotton 4 is 128kg/m 3 Silicon with a thickness of 2.5cm and using a high temperature resistant adhesiveThe aluminum fiber cotton, the test piece and the furnace body 2 are bonded, and the requirements of heat preservation and heat insulation are met.
The second steel frame structure 8 is arranged around the outside of the furnace body 2, the bottom end of the second steel frame structure 8 is in contact with the ground, the top end of the second steel frame structure is fixedly connected with the bolt groove of the first steel frame structure 3 through a bolt 302, a support 801 is arranged in the middle of the second steel frame structure, the support 801 surrounds the outside of the furnace body for a circle, and the second steel frame structure 8 is fixed with the oil supply pipeline and the cooling air pipeline 904 at partial positions to play a role in supporting the oil supply pipeline and the cooling air pipeline 904.
The oil supply pipeline comprises an oil inlet pipeline 9 and an oil return pipeline 901, one end of the oil inlet pipeline 9 is connected with an oil tank 15 and an oil pump 16 and then winds the furnace body 2 for a circle, the other end of the oil inlet pipeline is connected with an inlet of the oil return pipeline 901, the oil return pipeline 901 winds the furnace body 2 for a circle, and an outlet of the oil return pipeline 901 is connected with a residual oil recovery oil tank; an oil way interface 902 is arranged at the position of the oil supply pipeline close to each combustor 6, and the oil inlet pipeline 9 and the oil return pipeline 901 supply oil and discharge oil for each combustor 6 through the oil way interface 902. Each oil port 902 is provided with a valve to facilitate individual control of the supply and discharge of oil to and from each of the combustion engines 6. The combustor 6 is a BTL 20P combustor from BALDUR with a power of 0.5 kW. The main body of each burner 6 is fixed on the outer side of the fourth shaped plate 204, and the burner head extends into the furnace body 2 through the fourth preformed hole 206.
Air compressor 13 is connected to cooling gas pipeline 904 one end, then around furnace body 2 a week, the evacuation of the other end, the position that cooling gas pipeline 904 is close to every high temperature camera 7 is equipped with gas circuit interface 903, cooling gas pipeline 904 provides cooling gas and exhaust for every high temperature camera 7 through gas circuit interface 903, every gas circuit interface 903 is equipped with the valve, the air feed and the exhaust of every high temperature camera 7 of the independent control of being convenient for. The high-temperature camera 7 is LM-NZ 700 pneumatic high-temperature industrial television equipment and is suitable for high-temperature environments. The high temperature camera 7 has a service temperature not higher than 55 deg.C and a cooling gas discharge amount of 0.3-0.8 MPa.
The oil path interface 902 and the air path interface 903 are both vertical to the ground, so that the combustor 6 or the high-temperature camera 7 can be conveniently connected.
EXAMPLE 2 vertical refractory laboratory furnace
The vertical assembled refractory laboratory furnace of the present embodiment is structured as shown in fig. 4, and the furnace body 2 is in the shape of a vertical cube. The bottom layer of the furnace body 2 is formed by assembling 12 ceramic fiber zirconium shield special-shaped plates, and when the furnace body is not used, the special-shaped plates are disassembled, so that the occupied area is small. The bottom layer of the furnace body 2 comprises two first profiled plates 201, four second profiled plates 202, two third profiled plates 203 and four fourth profiled plates 204. The first profiled plates 201 are arranged at two top corners of the furnace body 2. The furnace body 2 is formed by assembling three layers of ceramic fiber zirconium shield special-shaped plates in height. The fourth irregular plate 204 and six matched burners 6 are respectively and uniformly arranged on two sides of the furnace body 2, the third irregular plate 203 and four matched high-temperature cameras 7 are uniformly arranged on the rear side surface of the furnace body 2, and a test piece is placed on the front side surface of the furnace body 2.
When the furnace body adopts vertical cube, 8 bottom contact ground of second steel frame construction, the first steel frame construction 3 of the ceramic fibre zirconium shield dysmorphism board of fixed highest level is connected on the top, because combustor 6 and high temperature camera 7 distribute on three-layer dysmorphism board from top to bottom, so second steel frame construction 8 is equipped with support 801 at every layer, every layer of support supports into oil pipe way 9, return oil pipe way 901 and cooling gas pipeline 904, every layer of oil pipe way 9 and return oil pipe way 901 are equipped with oil circuit interface 902 near every combustor 6, be used for fuel feeding and oil extraction, every layer of cooling gas pipeline 904 is equipped with gas circuit interface 903 near every high temperature camera 7, be used for air feed and exhaust. The oil path interface 902 and the gas path interface 903 are both parallel to the ground, so that the combustor 6 or the high-temperature camera 7 can be conveniently connected.
2 tops of furnace body are equipped with bell 5, and bell 5 is assembled into monoblock panel by ceramic fibre zirconium shield sketch board and forms, uses high temperature resistant adhesive to bond between bell 5 and the furnace body 2, is supported by second steel frame construction 8 simultaneously, satisfies the thermal-insulated requirement that keeps warm.
The structure of the refractory test furnace of this example was the same as that of example 1.
Example 3 fire resistance test System
The structure of the fire-resistant experimental system of the present embodiment is shown in fig. 5, the fire-resistant experimental system includes the fire-resistant experimental furnace, the smoke exhaust system, the gas supply device, the oil supply device and the control system of embodiment 1, the smoke exhaust system includes a smoke collecting hood 10 and a smoke exhaust fan 11, the smoke collecting hood 10 is disposed above the fire-resistant experimental furnace, and the smoke exhaust fan 11 is connected in parallel with a second smoke exhaust channel 1001 and a first smoke exhaust channel 101 of the smoke collecting hood through a smoke exhaust pipe; the gas supply device is connected with the cooling gas pipeline 904, and the oil supply device is connected with the oil supply pipeline; the control system is connected with the combustor 6, the smoke exhaust fan 11, the gas supply device and the oil supply device, controls the combustion and smoke exhaust conditions of the fire-resistant experimental furnace, and can control the temperature rise process of the combustor device according to a standard/non-standard temperature rise curve.
The smoke collecting hood 10 collects smoke emitted above the furnace body 2, the top of the outer side of the smoke collecting hood 10 is connected with the second discharge flue 1001, the second discharge flue 1001 extends to the ground and is connected with the first discharge flue 101 of the fire-resistant experimental furnace in parallel, the smoke exhaust fan 11 is connected with the second discharge flue 1001 and the first discharge flue 101 through a smoke exhaust pipeline, the smoke collected by the smoke collecting hood 10 and the first discharge flue 101 is extracted from the fire-resistant experimental system, the pressure in the furnace is balanced, and the air is kept clean. The smoke exhaust pipeline is introduced into a water washing filtering tank 12 to filter and purify smoke.
The air supply device comprises an air compressor 13 and a pressure stabilizing air bottle 14, wherein the air compressor 13 is sequentially connected with the pressure stabilizing air bottle 14 and a cooling air pipeline 904. Air compressor 13 provides the cooling gas, and the cooling gas gets into steady voltage gas cylinder 14 and temporarily stores, and when high temperature camera 7 needs the air feed, steady voltage gas cylinder 14 is with the pressure that is not more than 0.4Mpa to cooling gas pipeline 904 air feed, guarantees high temperature resistant camera 7 continuous stable operation.
The oil supply device comprises an oil tank 15 and an oil pump 16, wherein the oil tank 15 is connected with an oil supply pipeline through the oil pump 16.
The control system is connected with each burner 6, the smoke exhaust fan 11, the oil pump 16 and the air compressor 13, and controls the combustion and smoke exhaust conditions of the fire-resistant experimental furnace. The control system is responsible for centralized control of the starting, stopping and running conditions of each combustor 6, control of the starting, stopping and running conditions of the air compressor 13, the oil pump 16 and the smoke exhaust fan 11, and control of fault alarm.
The control system comprises a control cabinet 17, wherein a combustor starting button, a combustor stopping button, a combustor running indicator lamp and a combustor fire indicator lamp of each combustor 6 are arranged on the surface of the control cabinet 17, an air compressor starting button, an air compressor stopping button and an air compressor running indicator lamp of the air compressor 13, an oil pump starting button, an oil pump stopping button and an oil pump running indicator lamp of the oil pump 16, a smoke exhaust fan starting button, a smoke exhaust fan stopping button and a smoke exhaust fan running indicator lamp of the smoke exhaust fan 11, and a fault indicator lamp.
The control system also comprises control software which can control the temperature rising process of each burner 6 according to a standard temperature rising curve (T ═ 345 Xlg (8 Xt +1) +20) or a non-standard temperature rising curve, so that the experimental conditions which meet the national standard temperature rising curve are provided for the fire resistance experiment of the test piece, and the non-standard temperature rising curve relative to the standard temperature rising curve is obtained through scientific measurement for the test piece which is reduced according to actual needs, and the experiment is carried out according to the non-standard temperature rising curve.
The temperature detector is arranged in the furnace body 2 and is connected with the control system through a line, so that the temperature in the furnace body can be monitored conveniently in real time. The control software monitors the temperature detector in the furnace body, adjusts the temperature according to actual needs, and adjusts the temperature in the furnace body by adjusting the combustion of the combustor and the smoke exhaust and heat exhaust of the smoke exhaust fan.

Claims (7)

1. The assembled fire-resistant experimental furnace is characterized by comprising a base, a furnace body, a steel frame structure, a burner device and a high-temperature-resistant camera device, wherein the base is arranged below the furnace body, and a first row of flues are arranged in the inner space of the base; the furnace body is formed by assembling a plurality of ceramic fiber zirconium shield special-shaped pieces, and the burner device and the high-temperature-resistant camera device respectively provide combustion and camera functions for the furnace body through a preformed hole in the ceramic fiber zirconium shield special-shaped pieces; the top of the furnace body is provided with a furnace cover; the steel frame structure comprises a first steel frame structure and a second steel frame structure, the first steel frame structure is fixedly connected with a plurality of ceramic fiber zirconium shield special-shaped pieces, and the second steel frame structure is arranged at the periphery of the furnace body, enhances the overall strength of the furnace body and is used for supporting the furnace cover, the oil supply pipeline and the cooling air pipeline;
the ceramic fiber zirconium shield special-shaped piece is a ceramic fiber zirconium shield special-shaped plate, and the ceramic fiber zirconium shield special-shaped plate comprises a first special-shaped plate, a second special-shaped plate, a third special-shaped plate and a fourth special-shaped plate;
reserved holes are respectively formed in the third irregular plate and the fourth irregular plate and are correspondingly called as a third reserved hole and a fourth reserved hole, the high-temperature-resistant camera device is arranged through the third reserved hole, and the burner device is arranged through the fourth reserved hole;
the high-temperature resistant camera device and the burner are flexibly arranged at proper positions of the furnace body through the change of the positions of the special-shaped plates, and one or more high-temperature resistant camera devices and one or more burners can be arranged;
the height, the width and the thickness of the first special-shaped plate are respectively (1-1.5) m, (0.8-1) m and (0.3-0.5) m, and the first special-shaped plate is arranged at the position of a top angle of the furnace body; the second special-shaped plate, the third special-shaped plate and the fourth special-shaped plate are the same in size, and the height, the width and the thickness of the second special-shaped plate are respectively (1-1.5) m, (0.5-0.8) m and (0.3-0.5) m;
the heights and the thicknesses of the ceramic fiber zirconium shield special-shaped plates are equal;
the third irregular plate can be used as a fourth irregular plate after being turned upside down;
ceramic fiber paper is filled between the adjacent special-shaped plates to play a role in sealing and heat insulation.
2. The fire-resistant experimental furnace as claimed in claim 1, wherein a first row of flue is arranged in the base, the upper surface of the first row of flue is communicated with the interior of the furnace body, a flue outlet is arranged on the side surface of the base, and the flue outlet is used for connecting the first row of flue with a smoke exhaust pipeline outside the furnace body;
the base is cubic, the base and the first row of flues are made of reinforced concrete materials.
3. The refractory experimental furnace as claimed in claim 2, wherein the furnace body is in the shape of a cube selected from a horizontal cube or a vertical cube.
4. The fire-resistant experimental furnace of claim 3, wherein a first steel frame structure is fixedly connected to the outer side of each of the special-shaped plates, the first steel frame structure is a square frame, at least one bolt slot is respectively formed on the side length of each of two sides of the square frame, and the adjacent special-shaped plates are connected with each other through the bolt slot and the bolt.
5. The fire-resistant experimental furnace according to claim 4, wherein the second steel frame structure is arranged around the outside of the furnace body, the bottom end of the second steel frame structure contacts the ground, the top end of the second steel frame structure is fixedly connected with the first steel frame structure through a bolt, a support is arranged in the middle of the second steel frame structure, the support surrounds the outside of the furnace body, and the second steel frame structure is fixed with the oil supply pipeline and the cooling air pipeline at partial positions; the oil supply pipeline comprises an oil inlet pipeline and an oil return pipeline, an oil way interface is arranged at a position, close to the burner device, of the oil supply pipeline, and the oil inlet pipeline and the oil return pipeline supply oil and return oil to the burner device through the oil way interface;
the cooling air pipeline is provided with an air pipeline interface at a position close to the high-temperature-resistant camera device and provides cooling air and exhaust for the high-temperature-resistant camera device through the air pipeline interface;
the oil path interface and the gas path interface are both parallel to the ground or perpendicular to the ground.
6. A fire-resistant experimental system, which is characterized by comprising the fire-resistant experimental furnace, a smoke exhaust system, a gas supply device, a oil supply device and a control system according to any one of claims 1 to 5, wherein the smoke exhaust system comprises a smoke collecting hood and a smoke exhaust fan, the smoke collecting hood is arranged above the fire-resistant experimental furnace, and the smoke exhaust fan is connected with a second smoke exhaust channel of the smoke collecting hood and a first smoke exhaust channel of the fire-resistant experimental furnace in parallel through a smoke exhaust pipeline; the gas supply device is connected with a cooling gas pipeline of the fire-resistant experimental furnace, and the oil supply device is connected with an oil supply pipeline of the fire-resistant experimental furnace; the control system is connected with a burner device, a smoke exhaust fan, a gas supply device and an oil supply device of the fire-resistant experimental furnace, controls the combustion and smoke exhaust conditions of the fire-resistant experimental furnace, and can control the temperature rise process of the burner device according to a standard/non-standard temperature rise curve.
7. The fire resistance experiment system of claim 6, wherein the fume collecting hood collects fume emitted from the upper part of the furnace body of the fire resistance experiment furnace, the top of the outer side of the fume collecting hood is connected with a second discharge flue, the second discharge flue is connected with a first discharge flue of the fire resistance experiment furnace in parallel after extending to the ground, and the fume exhaust fan is connected with the second discharge flue and the first discharge flue through a fume exhaust pipe;
the air supply device comprises an air compressor and a pressure stabilizing air bottle, and the air compressor is sequentially connected with the pressure stabilizing air bottle and a cooling air pipeline of the fire-resistant experimental furnace;
oil supply unit includes oil tank and oil pump, and the oil tank passes through the oil pump connection the fuel feed line of fire-resistant experiment stove, control system connects combustor device, smoke exhaust fan, oil pump and the air compressor of fire-resistant experiment stove, centralized control is every the start-up, the stop and the behavior of combustor device, control air compressor, oil pump, smoke exhaust fan's start-up, stop and the behavior of behavior, control failure alarm.
CN202010069176.8A 2020-01-21 2020-01-21 Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system Active CN111219988B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010069176.8A CN111219988B (en) 2020-01-21 2020-01-21 Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010069176.8A CN111219988B (en) 2020-01-21 2020-01-21 Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system

Publications (2)

Publication Number Publication Date
CN111219988A CN111219988A (en) 2020-06-02
CN111219988B true CN111219988B (en) 2022-09-20

Family

ID=70829690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010069176.8A Active CN111219988B (en) 2020-01-21 2020-01-21 Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system

Country Status (1)

Country Link
CN (1) CN111219988B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114137147B (en) * 2021-12-01 2023-07-04 安徽华瑞检测技术股份有限公司 Refractory performance detection device for refractory component

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100485358C (en) * 2006-03-31 2009-05-06 华南理工大学 Assembled refractory experimental furnace of building construction member
CN203965359U (en) * 2014-07-07 2014-11-26 中国矿业大学 The anti-fiery pilot system of reinforced concrete floor
CN204085178U (en) * 2014-09-24 2015-01-07 郑州金海威科技实业有限公司 Ceramic fiber module pin-connected panel hot pressed sintering furnace body
CN206803750U (en) * 2017-06-06 2017-12-26 赣州有色冶金研究所 A kind of box atmosphere furnace of use for laboratory

Also Published As

Publication number Publication date
CN111219988A (en) 2020-06-02

Similar Documents

Publication Publication Date Title
CN106091689B (en) A kind of vacuum incineration furnace apparatus and its working method
CN111219988B (en) Assembled fire-resistant experimental furnace and contain its fire-resistant experimental system
CN211627484U (en) Equipment for assembling fire-resistant experiment
CN207280211U (en) A kind of furnace drying device
CN102853667A (en) Method and device for controlling pressure in fire-resistance rating test furnace
CN205747978U (en) A kind of furnace drying device of industrial furnace module
RU120751U1 (en) FURNACE INSERT
CN212253637U (en) Chamber type gas heating furnace
WO2022068053A1 (en) New atmosphere protection kiln
CN108956459A (en) A kind of resistance to hot detection method of material in hot-blast stove inside
CN207570310U (en) It is a kind of that the chemical industry danger sodium chloride that gives up is converted into the stove of refining industrial salt
CN106017105A (en) Furnace drying method of industrial furnace module and furnace drying device of furnace drying method
CN217929769U (en) Experimental furnace for flame resistance of building material
CN206847390U (en) A kind of pressure control device on lithium electric material sintering batch-type furnace
CN211823822U (en) Celadon kiln body
CN214120105U (en) Heat accumulating type flue gas heating device
CN213687835U (en) Novel atmosphere protection kiln structure
CN213811734U (en) Fire resistance test equipment for building components
CN218722686U (en) A drying device for foamed ceramic heated board intermittent type formula production
CN208487776U (en) A kind of gas and hot water equipment efficient burning room
CN220602228U (en) Furnace gas waste heat utilization device
CN219607112U (en) Novel energy-conserving burning furnace that burns of gas
RU2779009C1 (en) Heat engineering unit
CN218460845U (en) Ladle cover baking kiln structure
CN220818538U (en) Brick baking kiln and glass kiln

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20200619

Address after: 100013 Beijing, North Third Ring Road, No. 30 East Road, Chaoyang District

Applicant after: CHINA ACADEMY OF BUILDING RESEARCH Ltd.

Applicant after: Jianyan Fire Prevention Technology Co.,Ltd.

Address before: 100013 Beijing, North Third Ring Road, No. 30 East Road, Chaoyang District

Applicant before: CHINA ACADEMY OF BUILDING RESEARCH Ltd.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant