CN111457733A - Energy-saving environment-friendly combustion heating system of building component fire-resistant experimental furnace - Google Patents
Energy-saving environment-friendly combustion heating system of building component fire-resistant experimental furnace Download PDFInfo
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- CN111457733A CN111457733A CN201910065583.9A CN201910065583A CN111457733A CN 111457733 A CN111457733 A CN 111457733A CN 201910065583 A CN201910065583 A CN 201910065583A CN 111457733 A CN111457733 A CN 111457733A
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- furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Abstract
The invention discloses an energy-saving environment-friendly combustion heating system of a building component fire-resistant experimental furnace, which comprises a heating furnace, a burner communicated with the interior of the heating furnace, a smoke hood arranged above the heating furnace, a smoke exhaust pipeline connected with a smoke exhaust port of the heating furnace, a heat exchanger and an exhaust chimney, wherein a heat source inlet of the heat exchanger is connected with the smoke exhaust pipeline, a heat source outlet is connected with the exhaust chimney, a cold source inlet is connected with the smoke hood, a cold source outlet is connected with the burner through a combustion-supporting pipeline, and the burner is connected with a natural gas pipeline. Compared with the prior art, the invention has the advantages of more energy saving, less fuel consumption, lower emission temperature, greatly reduced exhaust emission compared with the prior art, even 0 exhaust emission, and realization of a pollution-free, environment-friendly and energy-saving combustion system. The invention has double functions of a heating furnace and an incinerator, and can draw the discharged flue gas back into the furnace to be used as a flue gas incinerator while burning and heating.
Description
Technical Field
The invention relates to the field of fire resistance detection of building components, in particular to an energy-saving environment-friendly combustion heating system of a fire resistance experiment furnace of a building component.
Background
The fire-resistant component furnace is equipment for detecting temperature resistance limit performance of building components such as fire doors, fire windows, fire-resistant coatings and the like, is often applied to building science research institutes or fire experiments, and is necessary equipment for fire detection and fire product detection. The device is established according to GB/T9978.1-2008 construction member fire resistance experiment method, and temperature rise speed control of T345 x lg (8T +1) +20 is satisfied. The heating of the experimental furnace is realized by burning natural gas or liquefied gas, the temperature of the experimental furnace is simulated at the fire scene by heating to 1200 ℃, and the fire endurance performance and the deformation state of building components such as fire doors or fire windows are further actually inspected, so that the products are graded.
During the detection process, a large amount of smoke can be emitted out of the furnace, and the components of the smoke can change along with different detected products, and generally comprise the following components: 1; smoke dust, 2, acidic substances; 3. an organic waste gas; 4. a halogen radical. The flue gas is collected by a smoke hood and then treated by incineration environmental protection equipment (heated to 750-830 ℃) and then discharged. Because the furnace is burnt by adopting natural gas and air, only carbon dioxide and water are generated, the high-temperature flue gas in the furnace basically does not contain pollutants, only the flue gas emission temperature is higher, a large amount of heat energy is emitted to the atmosphere, and the energy waste is generated.
In summary, the existing heating system has the following disadvantages: the waste heat recovery function is not available, the emission temperature is high, waste of a large amount of energy is generated, and the smoke emission can meet the emission standard only by processing the smoke by using incineration type environment-friendly equipment.
Disclosure of Invention
The invention aims to solve the technical problem of providing an energy-saving and environment-friendly combustion heating system of a fire-resistant experimental furnace of a building member, which can solve the problems that the energy waste of a combustion system of the fire-resistant experimental furnace of the prior art is serious, and the smoke emission needs to be processed by environment-friendly equipment.
In order to solve the problems, the invention adopts the following technical scheme:
the invention provides an energy-saving environment-friendly combustion heating system of a building element fire-resistant experimental furnace, which comprises a heating furnace, a burner communicated with the interior of the heating furnace, a smoke hood arranged above the heating furnace, a smoke exhaust pipeline connected with a smoke exhaust port of the heating furnace, a heat exchanger and an exhaust chimney, wherein a heat source inlet of the heat exchanger is connected with the smoke exhaust pipeline, a heat source outlet is connected with the exhaust chimney, a cold source inlet is connected with the smoke hood, a cold source outlet is connected with the burner through a combustion-supporting pipeline, and the burner is connected with a natural gas pipeline.
As an optimized technical scheme, the combustion-supporting pipeline is sequentially provided with an electric oxygen supplementing valve, a combustion-supporting fan, an oxygen content analyzer, an air pressure gauge, a wind pressure switch, an air regulating valve, an air flow limiting valve and an air compensator along the direction from the heat exchanger to the burner.
Preferably, the electric oxygen supplementing valve is connected with an air filter.
As an optimized technical scheme, the natural gas pipeline is sequentially provided with a manual cut-off valve, a gas filter, a pressure reducing valve, a gas pressure gauge, an electromagnetic valve, a gas proportional valve, a gas flow limiting valve and a gas compensator along the direction from a pipeline inlet to a burner, and the gas proportional valve is connected with the combustion-supporting pipeline.
As a preferred technical scheme, the burner is connected with a flame probe and an ignition transformer.
As a preferable technical scheme, the temperature in the heating furnace is 1100-1200 ℃.
The energy-saving environment-friendly combustion heating system has the following beneficial effects:
(1) the exhaust emission is closed-loop control, and the flue gas generated in the product test is pumped into the burner to be combusted, so that the requirement of auxiliary environment-friendly equipment is not needed or reduced.
(2) The waste heat recovery function is added, and the energy is saved. The heat exchanger is added, so that heat exchange can be formed between high-temperature gas of the heating furnace and cold air in the heat exchanger, the cold air is heated to a higher temperature, and meanwhile, the discharge temperature is reduced. Through waste heat recovery, the energy-saving effect can reach more than 20%, and the capacity consumption is greatly reduced.
Compared with the prior art, the invention has the advantages of more energy saving, less fuel consumption, lower emission temperature, greatly reduced exhaust emission compared with the prior art, even 0 exhaust emission, and realization of a pollution-free, environment-friendly and energy-saving combustion system. The invention has double functions of a heating furnace and an incinerator, and can draw the discharged flue gas back into the furnace to be used as a flue gas incinerator while burning and heating.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic structural diagram of an environment-friendly combustion heating system of a fire-resistant experimental furnace of an energy-saving building component.
Wherein the reference numerals are specified as follows: the device comprises a manual cut-off valve 1, a gas filter 2, a pressure reducing valve 3, a gas pressure gauge 4, an electromagnetic valve 5, a gas proportional valve 6, a gas flow limiting valve 7, a gas compensator 8, a flame probe 9, an ignition transformer 10, a burner 11, an air compensator 12, an air flow limiting valve 13, an air regulating valve 14, a wind pressure switch 15, an air pressure gauge 16, a combustion fan 17, a smoke hood 18, a heating furnace 19, a smoke exhaust pipeline 20, an exhaust chimney 21, a heat exchanger 22, an electric oxygen supplementing valve 23, an oxygen content analyzer 24, an air filter 25, a combustion-supporting pipeline 26 and a natural gas pipeline 27.
Detailed Description
As shown in figure 1, the energy-saving and environment-friendly combustion heating system for the building element fire-resistant experimental furnace comprises a heating furnace 19, a burner 11 communicated with the inside of the heating furnace 19, a smoke hood 18 arranged above the heating furnace 19, a smoke exhaust pipeline 20 connected with a smoke exhaust port of the heating furnace 19, a heat exchanger 22 and an exhaust chimney 21, wherein a heat source inlet of the heat exchanger 22 is connected with the smoke exhaust pipeline 20, a heat source outlet is connected with the exhaust chimney 21, a cold source inlet is connected with the smoke hood 18, a cold source outlet is connected with the burner 11 through a combustion-supporting pipeline 26, and the burner 11 is connected. The burner 11 is connected with the flame probe 9 and the ignition transformer 10. The temperature in the heating furnace 19 is 1100 ℃ to 1200 ℃.
The combustion-supporting pipeline 26 is sequentially provided with an electric oxygen supplementing valve 23, a combustion-supporting fan 17, an oxygen content analyzer 24, an air pressure gauge 16, a wind pressure switch 15, an air regulating valve 14, an air flow limiting valve 13 and an air compensator 12 along the direction from the heat exchanger 22 to the burner 11. The electric oxygen supplementing valve 23 is connected with an air filter 25. The natural gas pipeline 27 is sequentially provided with a manual cut-off valve 1, a gas filter 2, a pressure reducing valve 3, a gas pressure gauge 4, an electromagnetic valve 5, a gas proportional valve 6, a gas flow limiting valve 7 and a gas compensator 8 along the direction from a pipeline inlet to a burner 11, and the gas proportional valve 6 is connected with a combustion-supporting pipeline 26.
The working process is as follows: before 11 ignitions of nozzle, open manual trip valve 1, the gas passes through gas filter 2, and relief pressure valve 3 reaches required gas pressure, and gas pressure accessible gas pressure table 4 observes, if gas pressure is correct, then opens combustion-supporting fan 17, observes air pressure table 16, if reach the pressure standard, and 15 signals of wind pressure switch are correct, then possess the condition of igniteing, can ignite the intensification at any time. When an ignition button is pressed, an ignition transformer 10 generates high-voltage electric sparks, meanwhile, an electromagnetic valve 5 and an air regulating valve 14 are opened, fuel gas and air are mixed in a burner 11 and ignited by the electric sparks, after a flame probe 9 detects flame, the combustion of the burner 11 is normal, at the moment, an experiment formally starts, the temperature in the furnace starts to rise, the temperature can quickly rise to the temperature required by the national standard (established according to GB/T9978.1-2008 construction component fire-resistant experiment method, and the temperature can meet the requirement of T345 lg (8T +1) +20 temperature rise speed control), and the highest temperature can reach 1200 ℃. Along with the temperature in the furnace is higher and higher, the detected product (such as a fire door and the like) starts to smoke, a large amount of smoke which is emitted by the detected product outside the furnace usually contains smoke dust, acidic substances, organic waste gas, halogen radicals and other pollution components, the smoke is collected by the smoke hood 18, then is sucked into the combustion-supporting pipeline 26 through the combustion-supporting fan 17 and is sent into the burner 11, the high-temperature flame of the burner 11 can decompose the smoke at high temperature to be pollution-free high-temperature gas and is discharged, the high-temperature gas enters the heat exchanger 22 through the smoke exhaust pipeline 20, the heat is absorbed by the heat exchanger 22 and is discharged through the exhaust chimney 21 when the temperature is reduced to below 400 ℃, meanwhile, the heat exchanger 22 heats the gas from the smoke hood 18 to above 400 ℃. If the oxygen content analyzer 24 detects that the oxygen concentration in the combustion air is reduced to cause that the sufficient combustion can not be maintained, the electric oxygen supplementing valve 23 is opened, and the oxygen is automatically supplemented to the normal oxygen content level.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (6)
1. The utility model provides a building element fire-resistant experiment stove energy-concerving and environment-protective burning heating system, its characterized in that, include the heating furnace, with the nozzle of the inside intercommunication of heating furnace, set up in the petticoat pipe of heating furnace top, connect the exhaust pipe, heat exchanger and the exhaust chimney of heating furnace exhaust port, the heat source entry linkage of heat exchanger the exhaust pipe, heat source exit linkage exhaust chimney, cold source entry linkage the petticoat pipe, cold source export are through combustion-supporting pipe connection the nozzle, natural gas line is connected to the nozzle.
2. The environmental-friendly combustion heating system of the building element fire-resistant experimental furnace as recited in claim 1, wherein: the combustion-supporting pipeline is provided with an electric oxygen supplementing valve, a combustion-supporting fan, an oxygen content analyzer, an air pressure gauge, a wind pressure switch, an air regulating valve, an air flow limiting valve and an air compensator in sequence along the direction from the heat exchanger to the burner.
3. The environmental-friendly combustion heating system of the building element fire-resistant experimental furnace as claimed in claim 2, wherein: the electric oxygen supplementing valve is connected with an air filter.
4. The environmental-friendly combustion heating system of the building element fire-resistant experimental furnace as claimed in claim 2, wherein: the natural gas pipeline is provided with a manual cut-off valve, a gas filter, a pressure reducing valve, a gas pressure gauge, an electromagnetic valve, a gas proportional valve, a gas flow limiting valve and a gas compensator in sequence along the direction from a pipeline inlet to a burner, and the gas proportional valve is connected with the combustion-supporting pipeline.
5. The environmental-friendly combustion heating system of the building element fire-resistant experimental furnace as recited in claim 1, wherein: the burner is connected with the flame probe and the ignition transformer.
6. The environmental-friendly combustion heating system of the building element fire-resistant experimental furnace as recited in claim 1, wherein: the temperature in the heating furnace is 1100-1200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065583.9A CN111457733A (en) | 2019-01-22 | 2019-01-22 | Energy-saving environment-friendly combustion heating system of building component fire-resistant experimental furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910065583.9A CN111457733A (en) | 2019-01-22 | 2019-01-22 | Energy-saving environment-friendly combustion heating system of building component fire-resistant experimental furnace |
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| CN111457733A true CN111457733A (en) | 2020-07-28 |
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| CN201910065583.9A Pending CN111457733A (en) | 2019-01-22 | 2019-01-22 | Energy-saving environment-friendly combustion heating system of building component fire-resistant experimental furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877688A (en) * | 2022-05-12 | 2022-08-09 | 滨州市博恒工程管理服务有限公司 | Environment-friendly building materials incombustibility experiment stove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040023180A1 (en) * | 2000-09-26 | 2004-02-05 | Yoshiyuki Kasai | Alumina honeycomb structure, method for manufacture of the same, and heat-storing honeycomb structure using the same |
| CN202330328U (en) * | 2011-08-18 | 2012-07-11 | 上海建科检验有限公司 | Combustion control system for building element fire-resistance test furnace |
| CN102853667A (en) * | 2012-08-31 | 2013-01-02 | 广州市建筑材料工业研究所有限公司 | Method and device for controlling pressure in fire-resistance rating test furnace |
| CN203731875U (en) * | 2014-01-26 | 2014-07-23 | 山东省金圣隆机械有限公司 | Waste heat recycling and smoke discharging system of fuel gas heat treatment furnace |
-
2019
- 2019-01-22 CN CN201910065583.9A patent/CN111457733A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040023180A1 (en) * | 2000-09-26 | 2004-02-05 | Yoshiyuki Kasai | Alumina honeycomb structure, method for manufacture of the same, and heat-storing honeycomb structure using the same |
| CN202330328U (en) * | 2011-08-18 | 2012-07-11 | 上海建科检验有限公司 | Combustion control system for building element fire-resistance test furnace |
| CN102853667A (en) * | 2012-08-31 | 2013-01-02 | 广州市建筑材料工业研究所有限公司 | Method and device for controlling pressure in fire-resistance rating test furnace |
| CN203731875U (en) * | 2014-01-26 | 2014-07-23 | 山东省金圣隆机械有限公司 | Waste heat recycling and smoke discharging system of fuel gas heat treatment furnace |
Non-Patent Citations (1)
| Title |
|---|
| 赵华利 等: "节能型烟气焚烧炉", 《工业炉》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877688A (en) * | 2022-05-12 | 2022-08-09 | 滨州市博恒工程管理服务有限公司 | Environment-friendly building materials incombustibility experiment stove |
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Application publication date: 20200728 |