CN203464327U - Device capable of controlling flame shape and flame temperature simultaneously - Google Patents
Device capable of controlling flame shape and flame temperature simultaneously Download PDFInfo
- Publication number
- CN203464327U CN203464327U CN201320448563.8U CN201320448563U CN203464327U CN 203464327 U CN203464327 U CN 203464327U CN 201320448563 U CN201320448563 U CN 201320448563U CN 203464327 U CN203464327 U CN 203464327U
- Authority
- CN
- China
- Prior art keywords
- flame
- controller
- burner
- wind speed
- flow deflector
- 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.)
- Expired - Lifetime
Links
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a device capable of controlling the flame shape and the flame temperature simultaneously. The device comprises an air supply fan, an air channel, a combustor, a mass flow meter, a temperature sensor, a controller and a test bench. A plurality of flow guide sheets are arranged in the air channel, and the rotation angle of each of the flow guide sheets is adjustable. The method comprises controlling of the air speed, lame shape and the flame temperature. Particularly, the air speed is subjected to rough adjustment through a fan frequency modulator, and the outlet air speed is subjected to fine adjustment through the flow guide sheets. The flame presents different shapes by controlling the air speed of all points on a combustion plate; temperature data are transmitted to the controller through the temperature sensor, and accordingly, the set gas flow or the gas type is adjusted, and the flame temperature is controlled. According to the device, external air during occurring of the building external fire is simulated through the fan, the flow guide sheets are controlled by an automatic control unit, the air speed can be controlled remotely and accurately, the gas flow is controlled through the mass flow meter, and accordingly, the flame temperature is controlled.
Description
Technical field
The utility model relates to simulation fire source control field, particularly a kind of device of simultaneously controlling flame profile and flame temperature.
Background technology
Fire takes place frequently now, and the generation that how to reduce fire is the difficult problem of pendulum in face of people always.From material, improve the fire safety performance of material, be one of effective ways that reduce fire generation.The fire safety performance of evaluating material how, for user provide select and pass judgment on according to being a very important job.Evaluation for architectural decorative and fitting materials, roofing, photovoltaic goods and assembly fire protecting performance, the method generally adopting is at present that a contingent burning things which may cause a fire disaster of simulation is lighted sample or fire-resistant test, observe whether it spreads, the phenomenon such as expansion, this method requires simulation fire source not only will have certain flame temperature, and approaches while requiring flame profile can occur with actual capabilities under certain wind speed effect fire as far as possible.Particularly for roofing, during breaking out of fire, generally belong to the category of building external fire, the maximum difference of building external fire and building interior fire is that the former is often subject to the impact of extraneous wind, under wind speed effect, outside burning things which may cause a fire disaster can present different shapes, and under different wind speed effects, the temperature of flame is also different, for fire protecting performance and the grade of real simulation roofing, the method and the device that need design different flame profiles and flame temperature under different wind speed effects to control simultaneously.
Flow control methods and the device of a Chinese invention patent ZL201010556982.4 simulation fire source, this device comprises computer, Intelligent controller for gas table, combustion-supporting gas intelligent control instrument, temperature acquisition intelligence instrument, thermocouple, burner, gas source, combustion gas quality flowmeter, help gas source, help combustion gas quality flowmeter, gas source is connected with the entrance of combustion gas quality flowmeter, the outlet of combustion gas quality flowmeter is connected with burner by snap joint, the described gas source that helps is connected with helping the entrance of combustion gas quality flowmeter, help the outlet of combustion gas quality flowmeter to be connected with burner by snap joint, combustion gas quality flowmeter, Intelligent controller for gas table, computer connect successively, help combustion gas quality flowmeter, combustion-supporting gas intelligent control instrument, computer by wire, to connect successively, thermocouple, temperature acquisition intelligence instrument, computer connect successively.The deficiency of this patent of invention is: the burning things which may cause a fire disaster flame of (1) this patent of invention is less; (2) this patent of invention is not considered outsidely as the impact of wind speed environment on flame, can not simulate the situation of some building external fire.
Chinese utility model patent CN201540211U has announced a kind of ignition control system for naked-flame burning test of upholstered furniture, this patent comprises main gas circuit, igniting gas circuit and test gas circuit, in main gas circuit, be serially connected with main air valve, one end of igniting gas circuit connects main gas circuit, the other end connects altar lamp, in igniting gas circuit, is serially connected with igniting air valve; One end of test gas circuit connects main gas circuit, and the other end connects combustion head, in test gas circuit, is serially connected with magnetic valve and gas flowmeter, and a timer is connected to the magnetic valve in test gas circuit, and altar lamp is placed near the gas vent of combustion head.This patent realizes the control to the duration of ignition of burner and gas flow, but this control method exists following deficiency: the adjusting of (1) spinner flowmeter flow must adopt manual Field adjustment, cannot control by remote auto, more cannot realize programme-control; (2) this patent is not considered the control situation of the flame under outside wind speed effect.
Chinese utility model patent < < boiler furnace temperature field distribution control system > > 201120084295.7 discloses a kind of shape and temperature of controlling flame by the coal-air ratio in control burner hearth, thereby improves burning of coal utilization rate; More abundant when the larger coal combustion of air quantity, flame temperature is higher, and burning of coal utilization rate is higher; The Main Function of wind is to improve burning of coal efficiency, thereby reaches the flame profile of coal combustion generation and the control of temperature.But this patent is mainly used for boiler combustion control field, take and improve coal-fired utilization rate as object, thus the economical operation that improves boiler.Different from technical field of the present invention, the technical problem of solution is also different.
Therefore, a kind of test method and device of simultaneously controlling flame profile and flame temperature need to be provided, for simulating under building external fire condition particularly the fiery state that is subject under additional wind speed effect, thereby fire protecting performance and the grade of roofing can be evaluated.
Utility model content
Main purpose of the present utility model is that the shortcoming that overcomes prior art, with not enough, provides a kind of device and method of simultaneously controlling flame profile and flame temperature, and it has advantages of, and flame profile is adjustable, wind speed is adjustable, temperature is adjustable.
The purpose of this utility model realizes by following technical scheme: a kind of device of simultaneously controlling flame profile and flame temperature, comprise breeze fan, air channel, burner, combustion gas quality flowmeter, temperature sensor, controller and testing stand, burner plate to be detected is fixed on testing stand, burner is arranged between the air outlet and testing stand in air channel, breeze fan is blown by air channel, in air channel, be provided with some flow deflectors, the anglec of rotation of every flow deflector is adjustable; Temperature sensor is arranged on burner plate, for the temperature on current burner plate is sent to controller; Burner, combustion gas quality flowmeter are connected successively with controller, and burner is also connected with outside fuel gas supply equipment, and the temperature that controller transmits according to temperature sensor is controlled gas flow or combustion gas type.Natural wind when the utility model occurs by the outside fire of simulant building also makes flame present certain shape, thus truth during the outside fire of simulant building.
Preferably, be provided with several wind speed measuring devices on described burner plate, wind speed measuring device is connected with controller, can read air speed data by remote measurement; Breeze fan is connected with controller by frequency converter, and the wind speed that controller records according to each measuring wind speed point is controlled frequency converter and then realized the adjusting to breeze fan rotating speed.
As preferably, described each flow deflector place is provided with for making the flow deflector automatic rotation control device of flow deflector rotation, this device is connected with controller, and the adjusting to the flow deflector anglec of rotation is controlled and then realized to controller according to wind speed that wind speed measuring device is surveyed to flow deflector automatic rotation control device.Thereby realize more intelligently the adjustable of flame profile.
Preferably, describedly in the pipeline of air channel, near air inlet place, be provided with current stabilization grid, size of mesh opening is (30～80) mm * (30～80) mm.The air-flow producing due to blower fan is inhomogeneous, by adopting this current stabilization grid to make the air-flow of its generation even.
Preferably, described burner is connected with outside a plurality of fuel gas supply equipments by a gas supply selector switch, and this gas supply selector switch is connected with control device; The combustion gas type of fuel gas supply equipment supply is at least one in methane, acetylene, propane, butane, liquefied petroleum gas, natural gas.
Preferably, described temperature sensor is thermocouple, is arranged on burner plate, and thermocouple is apart from burner 250mm～450mm.
Preferably, at air outlet place, wind channel tube road, be provided with 6～10 flow deflectors, each flow deflector is provided with a rotating shaft, rotating shaft is perpendicular to air channel axis, flow deflector is fixed on air channel by this rotating shaft, flow deflector is suitable with air channel height along the length of shaft axis direction, and along reducing gradually perpendicular to shaft axis direction thickness, flow deflector automatic rotation control device is arranged in rotating shaft.For wind speed is finely tuned.
Preferably, described breeze fan is a kind of in centrifugal blower or axial flow blower.
Preferably, described device is arranged on a Nei， combustion chamber, combustion chamber and adopts heat-barrier material to make, and in combustion chamber, some positions are provided with for observing the camera of flame profile.Thereby use safer.
Concrete, described burner is two sleeve pipe burners, and adopts two ends air feed simultaneously, guarantees the flame continuous uniform producing.The combustion heat rate of release adjustable extent of burner is 0～400kW.
A kind of method of controlling flame profile and flame temperature based on said apparatus time, in combustion process, by regulating the rotating speed of breeze fan, realize the coarse adjustment of wind speed, by regulating the anglec of rotation of each flow deflector in air channel to realize, the fine setting of wind speed is used to one's intention as revealed in what one says speed evenly, simultaneously, the temperature value measuring according to temperature sensor, controller is controlled gas flow or combustion gas type, makes flame profile and flame temperature all in default requirement.
Concrete, comprise the following steps:
(1) open breeze fan: breeze fan air-flow arrives duct outlet respectively in air channel after current stabilization grid, flow deflector;
(2) wind speed coarse adjustment: measure the wind speed on air port or burner plate, and the air speed value measuring is fed back to controller, controller is compared the air speed value recording and default air speed value, according to comparison result, breeze fan rotating speed is regulated, and wind speed is limited near default air speed value;
(3) wind speed fine setting: according to the wind speed of several measuring wind speed points on air outlet or burner plate, regulate the anglec of rotation of flow deflector in air channel, until the wind speed at these measuring wind speed point places reaches preset requirement;
(4) igniting: input combustion gas, startup combustion gas quality flowmeter, igniting;
(5) flame temperature regulates: the data that controller collects Current Temperatures sensor and default temperature value compare, according to comparison result, send control signals to and control combustion gas quality flowmeter to control gas flow, or send control signals to gas supply selector switch switching combustion gas type; Until the temperature data that feedback obtains meets the requirements;
(6) flame profile judgement: observe flame profile according to the monitoring camera being arranged in laboratory, if undesirable, flame-out, debug repeating step (3)-(5).
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, the utility model passes through wind speed coarse adjustment, fine setting, temperature is regulated, when can realize flame profile and temperature, control, and flame profile arbitrarily adjustable, wind speed is adjustable, temperature is adjustable, take into full account the impact of extraneous wind speed on burning things which may cause a fire disaster flame, extraneous wind while simulating generation building external fire by large fan, the scope of wind speed can be 0～10m/s, thereby meets the requirement to flame profile and temperature in different fire scenarios.
2, the air-flow that the utility model also adopts current stabilization grid that blower fan is produced is even.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the structural representation of flow deflector in the utility model.
Wherein, 1-blower fan; 2-air channel; 3-current stabilization grid; 4-flow deflector; 5-burner; 6-thermocouple; 7-combustion gas quality flowmeter; 8-computer; 9-rotating shaft.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
As shown in Figure 1, a kind of device of simultaneously controlling flame profile and flame temperature of the present embodiment comprises breeze fan 1, air channel 2, current stabilization grid 3, flow deflector 4, burner 5, thermocouple 6, combustion gas quality flowmeter 7, computer 8, testing stand etc.Above-mentioned each device is all arranged on a Nei， combustion chamber, combustion chamber and adopts heat-barrier material to make, and in combustion chamber, some positions are provided with for observing the camera of flame profile.Burner plate to be detected is fixed on testing stand, and burner 5 is arranged between the air outlet and testing stand in air channel 2, and breeze fan 1 is blown by air channel 2.
In order to take into full account the impact on burning things which may cause a fire disaster flame of extraneous wind speed, a kind of in centrifugal blower or axial flow blower of blower fan that the present embodiment adopts 1, the scope of wind speed is 0～10m/s.On described burner plate, be provided with 3-5 wind speed measuring device, wind speed measuring device is connected with computer 8, breeze fan 1 is connected with computer 8 by frequency converter, and the wind speed that computer 8 records according to each wind speed measuring device regulates the rotating speed of breeze fan by frequency converter.The air-flow that blower fan 1 produces faces flame interaction behind certain length air channel, by the adjustment to outlet wind speed, reaches the object that flame profile is controlled.By Frequency Converter Control wind speed size, extraneous air-flow under simulation different situations is to influence of fire, the air-flow producing due to blower fan is inhomogeneous, and in pipeline, the place of distance blower fan 1 certain distance is provided with current stabilization grid 3 and makes the air-flow of its generation even, and size of mesh opening is 50mm * 50mm.
In order to obtain different flame profiles, the fire scenario of simulation under different situations also need to arrange 6～10 flow deflectors 4 near the 2 pipeline air outlets of air channel, and as shown in Figure 2, the quantity of flow deflector can be according to actual needs, airduct size etc. selected.Each flow deflector 4 is provided with a rotating shaft 9, rotating shaft 9 is perpendicular to air channel axis, flow deflector 4 is fixed on air channel 2 by this rotating shaft 9, flow deflector 4 is suitable with air channel height along the length of shaft axis direction, can be 100mm～180mm, and along reducing gradually perpendicular to shaft axis direction thickness, flow deflector automatic rotation control device is arranged in rotating shaft, this device is connected with controller, and the adjusting to the flow deflector anglec of rotation is controlled and then realized to controller according to wind speed that wind speed measuring device is surveyed to flow deflector automatic rotation control device.By regulating the flow deflector anglec of rotation to regulate the wind speed of wind speed measuring device place measurement point, reach the control to flame profile, meet to the simulation to burning things which may cause a fire disaster under different situations, for example, in order to make flame reach triangle, can make the wind speed of intermediate point high, both sides wind speed is low.Flow deflector automatic rotation control device can be for being arranged on the knob assembly in rotating shaft in actual applications, and controller control handle rotates, and then realize the control to the flow deflector anglec of rotation.
Thermocouple 6 is arranged on burner plate, apart from burner 5250mm～450mm, for the temperature on current burner plate is sent to controller.Burner 5, combustion gas quality flowmeter 7 are connected successively with controller, and burner 5 is also connected with outside fuel gas supply equipment, and the temperature that controller transmits according to temperature sensor is controlled gas flow or combustion gas type.
Described burner 5 is connected with outside a plurality of fuel gas supply equipments by a gas supply selector switch, and this gas supply selector switch is connected with control device; The combustion gas type of fuel gas supply equipment supply is at least one in methane, acetylene, propane, butane, liquefied petroleum gas, natural gas.Burner 5 is two sleeve pipe burners, and adopts two ends air feed simultaneously, guarantees the flame continuous uniform of generation, and the combustion heat rate of release adjustable extent of burner is 0～400kW.
A kind of method of controlling flame profile and flame temperature based on said apparatus time, in combustion process, by regulating the rotating speed of breeze fan 1, realize the coarse adjustment of wind speed, by regulating the anglec of rotation of each flow deflector 4 in air channel 2 to realize the fine setting to wind speed, simultaneously, the temperature value measuring according to temperature sensor, controller is controlled gas flow or combustion gas type, makes flame profile and flame temperature all in default requirement.
Specifically comprise the following steps:
(1) open breeze fan 1: breeze fan air-flow arrives respectively air channel 2 air outlets in air channel 2 after current stabilization grid 3, flow deflector 4; Within the scope of can be controlled in ± 0.2m/s of fluctuations in wind speed on burner plate;
(2) wind speed coarse adjustment: measure some wind speed on air port or burner plate, and the air speed value measuring is fed back to controller, controller is compared the air speed value recording and default air speed value, according to comparison result, breeze fan rotating speed is regulated, wind speed is limited near default air speed value;
(3) wind speed fine setting: according to the wind speed of several measuring wind speed points on air outlet or burner plate, regulate the anglec of rotation of flow deflector 4 in air channel 2, until the wind speed at these measuring wind speed point places reaches preset requirement, for example, realize the about be controlled at ± 0.02m/s of wind speed of every on burner plate;
(4) igniting: input combustion gas, startup combustion gas quality flowmeter 7, igniting;
(5) flame temperature regulates: the data that controller collects Current Temperatures sensor and default temperature value compare, according to comparison result, send control signals to and control combustion gas quality flowmeter 7 to control gas flow, or send control signals to gas supply selector switch switching combustion gas type; Until the temperature data that feedback obtains meets the requirements;
(6) flame profile judgement: observe flame profile according to the monitoring camera being arranged in laboratory, if undesirable, flame-out, debug repeating step (3)-(5).
Embodiment 2
The present embodiment except following characteristics other structure with embodiment 1:
In this example, flow deflector 4 is 8, and size of mesh opening is 80mm * 80mm.
Embodiment 3
The present embodiment except following characteristics other structure with embodiment 1:
In this example, flow deflector 4 is 10, and size of mesh opening is 30mm * 30mm.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. a device of simultaneously controlling flame profile and flame temperature, it is characterized in that, comprise breeze fan, air channel, burner, combustion gas quality flowmeter, temperature sensor, controller and testing stand, burner plate to be detected is fixed on testing stand, burner is arranged between the air outlet and testing stand in air channel, breeze fan is blown by air channel, is provided with some flow deflectors in air channel, and the anglec of rotation of every flow deflector is adjustable; Temperature sensor is arranged on burner plate, for the temperature on current burner plate is sent to controller; Burner, combustion gas quality flowmeter are connected successively with controller, and burner is also connected with outside fuel gas supply equipment, and the temperature that controller transmits according to temperature sensor is controlled gas flow or combustion gas type.
2. the device of simultaneously controlling flame profile and flame temperature according to claim 1, it is characterized in that, on described burner plate, be provided with several wind speed measuring devices, wind speed measuring device is connected with controller, breeze fan is connected with controller by frequency converter, and the wind speed that controller records according to each wind speed measuring device is controlled frequency converter and then realized the adjusting to breeze fan rotating speed.
3. the device of simultaneously controlling flame profile and flame temperature according to claim 2, it is characterized in that, described each flow deflector place is provided with for making the flow deflector automatic rotation control device of flow deflector rotation, this device is connected with controller, and the adjusting to the flow deflector anglec of rotation is controlled and then realized to controller according to wind speed that wind speed measuring device is surveyed to flow deflector automatic rotation control device.
4. the device of simultaneously controlling flame profile and flame temperature according to claim 1, is characterized in that, describedly in the pipeline of air channel, near air inlet place, is provided with current stabilization grid, and size of mesh opening is (30～80) mm * (30～80) mm.
5. the device of simultaneously controlling flame profile and flame temperature according to claim 1, is characterized in that, described burner is connected with outside a plurality of fuel gas supply equipments by a gas supply selector switch, and this gas supply selector switch is connected with control device; The combustion gas type of fuel gas supply equipment supply is at least one in methane, acetylene, propane, butane, liquefied petroleum gas, natural gas.
6. the device of simultaneously controlling flame profile and flame temperature according to claim 1, is characterized in that, described temperature sensor is thermocouple, is arranged on burner plate, apart from burner 250mm～450mm.
7. the device of simultaneously controlling flame profile and flame temperature according to claim 3, it is characterized in that, at air outlet place, wind channel tube road, be provided with 6～10 flow deflectors, each flow deflector is provided with a rotating shaft, rotating shaft is perpendicular to air channel axis, and flow deflector is fixed on air channel by this rotating shaft, and flow deflector is suitable with air channel height along the length of shaft axis direction, and along reducing gradually perpendicular to shaft axis direction thickness, flow deflector automatic rotation control device is arranged in rotating shaft.
8. the device of simultaneously controlling flame profile and flame temperature according to claim 1, is characterized in that, described breeze fan is a kind of in centrifugal blower or axial flow blower.
9. the device of simultaneously controlling flame profile and flame temperature according to claim 1, is characterized in that, described device is arranged on a Nei， combustion chamber, combustion chamber and adopts heat-barrier material to make, and in combustion chamber, some positions are provided with for observing the camera of flame profile.
10. the device of simultaneously controlling flame profile and flame temperature according to claim 1, is characterized in that, described burner is two sleeve pipe burners, and two ends are air feed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448563.8U CN203464327U (en) | 2013-07-25 | 2013-07-25 | Device capable of controlling flame shape and flame temperature simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448563.8U CN203464327U (en) | 2013-07-25 | 2013-07-25 | Device capable of controlling flame shape and flame temperature simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203464327U true CN203464327U (en) | 2014-03-05 |
Family
ID=50176691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320448563.8U Expired - Lifetime CN203464327U (en) | 2013-07-25 | 2013-07-25 | Device capable of controlling flame shape and flame temperature simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203464327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501163A (en) * | 2014-12-11 | 2015-04-08 | 王立臣 | Oxygen-rich gas combustion device and oxygen-rich gas combustion method |
| CN103388833B (en) * | 2013-07-25 | 2015-12-09 | 广州市建筑材料工业研究所有限公司 | A kind of device and method simultaneously controlling flame profile and flame temperature |
-
2013
- 2013-07-25 CN CN201320448563.8U patent/CN203464327U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388833B (en) * | 2013-07-25 | 2015-12-09 | 广州市建筑材料工业研究所有限公司 | A kind of device and method simultaneously controlling flame profile and flame temperature |
| CN104501163A (en) * | 2014-12-11 | 2015-04-08 | 王立臣 | Oxygen-rich gas combustion device and oxygen-rich gas combustion method |
| CN104501163B (en) * | 2014-12-11 | 2017-01-25 | 王立臣 | Oxygen-rich gas combustion device and oxygen-rich gas combustion method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103388833B (en) | A kind of device and method simultaneously controlling flame profile and flame temperature | |
| CN105067655B (en) | A kind of flame retardant cable vertical combustibility test device under the conditions of barrel-shaped ring-type radiant heating | |
| CN102062410B (en) | Method for controlling flow of simulation fire source | |
| CN102937382B (en) | Adjusting and optimizing method of ratio-controlled combustion system | |
| CN203464327U (en) | Device capable of controlling flame shape and flame temperature simultaneously | |
| CN105067026A (en) | Device and method for studying influence of external wind speed on flame propagation and stability | |
| CN101303339B (en) | Fire field environmental simulation system | |
| CN204268501U (en) | There is the power station boiler pulverizing system of wind speed calibration equipment | |
| CN101893376B (en) | Device for testing vertical flammability of busway | |
| CN108470502B (en) | Linear fire source spreading device | |
| Lin et al. | Experimental research on gas interchangeability indices for domestic fully premixed burners | |
| CN104630403B (en) | The burning stove control method of a kind of top combustion stove and burning furnace control system | |
| CN203837876U (en) | A valve fireproof test apparatus combustion control system | |
| CN203744293U (en) | Numerical controlled gas combustion device | |
| JP2021139553A (en) | Combustion control method, control device and program | |
| CN201218650Y (en) | Combustion heating apparatus used for aggregate drying system of asphalt concrete mixing equipment | |
| CN107339695B (en) | Laminar diffusion flame gas combustion testing system | |
| CN102288632B (en) | Method for measuring ignition point of wind powder mixture in coal burning boiler | |
| CN212031385U (en) | Test device for evaluating fire resistance of large-diameter cable | |
| CN204787799U (en) | Fluidized bed furnace automatic temperature control system | |
| CN204832075U (en) | Vertical burning behavior testing arrangement of flame retarded cable under barrel -shaped cyclic annular radiation heating condition | |
| CN103162527A (en) | Vertical melting furnace premix type combustion system | |
| CN106678865A (en) | Novel combustion control system of fire resistance testing for valves | |
| CN104198522B (en) | A kind of online sintering test method of iron ore | |
| CN108506960B (en) | Linear hot smoke device and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device and method for simultaneously controlling flame shape and flame temperature Effective date of registration: 20191125 Granted publication date: 20140305 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU BUILDING MATERIALS INSTITUTE Ltd. Registration number: Y2019440000213 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201215 Granted publication date: 20140305 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU BUILDING MATERIALS INSTITUTE Ltd. Registration number: Y2019440000213 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |
|
| CX01 | Expiry of patent term |