CN203083357U - Smoke combustion furnace - Google Patents
Smoke combustion furnace Download PDFInfo
- Publication number
- CN203083357U CN203083357U CN 201220747173 CN201220747173U CN203083357U CN 203083357 U CN203083357 U CN 203083357U CN 201220747173 CN201220747173 CN 201220747173 CN 201220747173 U CN201220747173 U CN 201220747173U CN 203083357 U CN203083357 U CN 203083357U
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- China
- Prior art keywords
- heater
- combustion furnace
- smoke
- furnace
- heating plate
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Abstract
The utility model discloses a smoke combustion furnace, belongs to the technical field of fire detector performance tests, and particularly relates to the smoke combustion furnace used for producing a test smoke source so that a test can be carried out on a smoke fire detector. The smoke combustion furnace has the advantages of being safe, efficient, energy-saving, temperature-controllable, sensitive and the like. According to the technical scheme, the smoke combustion furnace comprises a furnace body, a smoke pipe is arranged above the furnace body, the smoke pipe is communicated with the furnace body, an axial flow fan is arranged on the lower portion of the smoke pipe, a furnace door is arranged on the furnace wall of the furnace body, an observation window is arranged on the furnace door, an electrical heating plate is arranged on the bottom inside the furnace body, and air inlets are formed on the bottom of the furnace body and on the periphery of the electrical heating plate.
Description
Technical field
The utility model belongs to the fire detector technical field of performance test, particularly relates to a kind of grey cigarette combustion furnace, is used for producing test cigarette source, so that smoke fire detector is tested.
Background technology
Building Fire Protection is firemanic importance, and in building fire prevention and control field, spot-type smoke detector is the detection product that is most widely used at present.It is by the concentration of smog in the air in the protected district of supervision, and realization early detection and warning by a series of alarms and interlock action, are notified the early stage prevention and control of evacuating personnel, realization fire, minimizing personnel and property loss.
Spot-type smoke detector must be tested the ability of explorer response smog in exploitation and production process, according to the specification requirement of GB4715-2005 " spot-type smoke detector ", generally adopts standard fume box to test.The cigarette source that standard fume box adopts generally has two kinds, and a kind of is igniting mosquito-repellent incense or cotton cord in smoke box, and the 2nd, adopt special-purpose aerosol generator, produce the cigarette source by the heating paraffin oil.Wherein, the mode temperature of igniting mosquito-repellent incense or cotton cord is uncontrollable, the smog poor repeatability of generation, and the kind difference of mosquito-repellent incense, and the combustion process difference is also bigger.Special-purpose aerosol generator (typical products has the AGW series of German LorenZ company) adopts the mode of heating paraffin oil to produce test cigarette source, and soot directly is evenly distributed, good reproducibility.But cost is too high, except needs import aerosol generator, also needs the paraffin oil of supporting use import, and therefore, domestic fire detector manufacturing enterprise generally is difficult to accept.In addition, paraffin steam can only be used for detecting the response lag of spot-type smoke detector as the cigarette source of test usefulness, can not test probe to the response sensitivity of true smog.
The utility model content
At the problem that prior art exists, the utility model provides a kind of grey cigarette combustion furnace, characteristics such as that this combustion furnace has is safe, efficient, energy-conservation, temperature control sensitivity.
To achieve these goals, the utility model adopts following technical scheme: a kind of grey cigarette combustion furnace, comprise body of heater, be provided with smoke pipe above body of heater, described smoke pipe is connected with body of heater, is provided with axial flow blower in the bottom of smoke pipe, the furnace wall of described body of heater is provided with fire door, fire door is provided with observation window, and the bottom in body of heater is provided with electric heating plate, is equipped with air inlet in the outer periphery of bottom of furnace body, electric heating plate.
Described fire door is provided with door lock.
Described body of heater adopts stainless steel, is double-decker, and the centre is provided with heat insulation foam.
Described fire door is connected with body of heater by hinge.
Described observation window adopts resistant to elevated temperatures lucite.
Described electric heating plate model is PS-100.
The beneficial effects of the utility model:
1, the utlity model has characteristics such as safe, efficient, energy-conservation, temperature control sensitivity;
2, electric heating plate model of the present utility model is PS-100, can accurately show the control temperature, realizes 300～500 ℃ of accurately adjustment of temperature; Can accurately adjust zero point, the automatic cold junction compensation of thermocouple in 0～60 ℃ of scope (error ± 2 ℃); Have manual control function, change hands moving unperturbed automatically and switch; Have earth leakage protective, power on and delay the slow turn-off function that starts and cut off the power supply;
3, the commentaries on classics scooter 0～3600r/min of axial flow blower.
Description of drawings
Fig. 1 is the structural representation of grey cigarette combustion furnace of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 3;
Among the figure, 1--body of heater, 2--fire door, 3--observation window, 4--door lock, 5-smoke pipe, 6-axial flow blower, 7-electric heating plate, 8-air inlet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As Fig. 1～shown in Figure 4, a kind of grey cigarette combustion furnace, comprise body of heater 1, be provided with smoke pipe 5 above body of heater 1, described smoke pipe 5 is connected with body of heater 1, is provided with axial flow blower 6 in the bottom of smoke pipe 5, the furnace wall of described body of heater 1 is provided with fire door 2, fire door 2 is provided with observation window 3, and the bottom in body of heater 1 is provided with electric heating plate 7, is equipped with air inlet 8 in the outer periphery of body of heater 1 bottom, electric heating plate 7.
Described fire door 2 is provided with door lock 4.
Described body of heater 1 adopts stainless steel, is double-decker, and the centre is provided with heat insulation foam.
Described heat insulation foam adopts the alumina silicate insulating.
Described fire door 2 is connected with body of heater 1 by hinge.
Described observation window 3 adopts resistant to elevated temperatures lucite.
Described electric heating plate 7 models are PS-100, and its card is a steel plate, and inner electric heating device and card, body of heater 1 and other parts all insulate.
Below in conjunction with a description of drawings use of the present utility model.
Before using the utility model, earlier electric heating plate 7 of the present utility model is connected with temperature control and distribution system.
Use process of the present utility model: at first the beech waddy with 10 75mm * 25mm * 20mm evenly is placed on the electric heating plate 7 of the present utility model, and beech waddy water content is approximately 5%, closes fire door 2, locking door lock 4.
The heating-up temperature of energising and design temperature adjusting apparatus control electric heating plate 7 is 350 ℃, starts heating, the pyrolysis situation of observing the beech waddys by observation window 3, and by smoke pipe 5 smog being introduced smoke box etc. needs in the device in cigarette source.Regulating shaft flow fan 6 is to 800r/min, regulates from air inlet 8 entering fresh air in the body of heater 1 by the rotating speed of axial flow blower 6, thus the cigarette amount and the speed of regulating the cigarette source.Cigarette amount and speed can be measured by the flue dust optical densitometer, and light extinction rate of smoke is remained between 0.015 ~ 0.1 dB/m min.
Temperature control that adopts in the present embodiment and distribution system are selected the JT360X intelligent PID humidostat and the JS3000@ Monophase electric power adjuster of Beijing Jie Dun Science and Technology Ltd. for use; The flue dust optical densitometer model that adopts in the present embodiment is: LorenZ AML.
Claims (6)
1. grey cigarette combustion furnace, it is characterized in that comprising body of heater, above body of heater, be provided with smoke pipe, described smoke pipe is connected with body of heater, bottom at smoke pipe is provided with axial flow blower, and the furnace wall of described body of heater is provided with fire door, and fire door is provided with observation window, bottom in body of heater is provided with electric heating plate, is equipped with air inlet in the outer periphery of bottom of furnace body, electric heating plate.
2. grey cigarette combustion furnace according to claim 1 is characterized in that described fire door is provided with door lock.
3. grey cigarette combustion furnace according to claim 1 is characterized in that described body of heater adopts stainless steel, is double-decker, and the centre is provided with heat insulation foam.
4. grey cigarette combustion furnace according to claim 1 is characterized in that described fire door is connected with body of heater by hinge.
5. grey cigarette combustion furnace according to claim 1 is characterized in that described observation window adopts resistant to elevated temperatures lucite.
6. grey cigarette combustion furnace according to claim 1 is characterized in that described electric heating plate model is PS-100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747173 CN203083357U (en) | 2012-12-29 | 2012-12-29 | Smoke combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747173 CN203083357U (en) | 2012-12-29 | 2012-12-29 | Smoke combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083357U true CN203083357U (en) | 2013-07-24 |
Family
ID=48829184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220747173 Expired - Fee Related CN203083357U (en) | 2012-12-29 | 2012-12-29 | Smoke combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033046A (en) * | 2012-12-29 | 2013-04-10 | 公安部沈阳消防研究所 | Smoke combustion furnace |
-
2012
- 2012-12-29 CN CN 201220747173 patent/CN203083357U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033046A (en) * | 2012-12-29 | 2013-04-10 | 公安部沈阳消防研究所 | Smoke combustion furnace |
| CN103033046B (en) * | 2012-12-29 | 2015-06-24 | 公安部沈阳消防研究所 | Smoke combustion furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20161229 |