CN219869117U

CN219869117U - Fireproof door and rolling door fireproof test furnace with waste gas treatment structure

Info

Publication number: CN219869117U
Application number: CN202321292505.0U
Authority: CN
Inventors: 王红; 张志明
Original assignee: Hubei Hele Door Industry Co Ltd
Current assignee: Hubei Hele Door Industry Co Ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-20
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a fireproof door with an exhaust gas treatment structure and a rolling door fireproof test furnace, which comprise a furnace body and a door leaf fixing device; the furnace body is of a cuboid structure with an opening on the front surface; the door leaf fixing device comprises a square fixing frame, the size of the fixing frame is matched with the opening of the furnace body, a door opening for fixing the door leaf is formed in the fixing frame, and the fixing frame is detachably connected with the furnace body. According to the utility model, the split type furnace body and the door leaf fixing device are arranged, when in test, the door leaf is fixed by the door leaf fixing device and then horizontally pushed to be connected with the furnace body, after the test is finished, the door lock is unscrewed after the temperature in the furnace body is reduced to the room temperature, the door leaf fixing device is pushed out, and the door leaf fixing device is easy, convenient and quick to replace for different test workpieces without lifting a test member; through setting up the flue gas treatment component, can discharge after the waste gas cooling after the internal combustion of stove, avoid the direct emission of high temperature waste gas to the air in, harm human health.

Description

Fireproof door and rolling door fireproof test furnace with waste gas treatment structure

Technical Field

The utility model relates to the technical field of building member fire resistance test equipment, in particular to a fire door and rolling shutter door fire resistance test furnace with an exhaust gas treatment structure.

Background

Building fires are one form of common occurrence of fires, and according to past year fire data statistics, the number of times of building fires accounts for more than 90% of the total number of fires, and compared with other forms of fires, building fires have greater life and property security threats to people. In the event of a building fire, the fire resistance of the building element directly determines the extent of damage to the lives and properties of people from the fire, while fire doors and roller blinds are important fire-resistant building elements. It is very necessary to develop a set of fire resistance test methods for the fireproof door and the rolling door and test the fire resistance performance of the fireproof door and the rolling door under the action of open fire.

Building materials flammability test stove with exhaust-gas treatment structure at present: 1. the active carbon is used for filtering and then is discharged into the air, the waste gas is not subjected to cooling treatment, the discharge temperature of the waste gas is high, and the risk of scalding workers exists; 2. secondly, in the existing refractory test furnace, test components are arranged at the top of the furnace body, and in the using process, the replacement process of different test components is complex.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a fireproof door and rolling door fireproof test furnace with an exhaust gas treatment structure, by arranging a split furnace body and a door leaf fixing device, when in test, a door leaf is fixed by the door leaf fixing device and then horizontally pushed to be connected with the furnace body, after the test is finished, the temperature in the furnace body is reduced to room temperature, a door lock is unscrewed, the door leaf fixing device is pushed out, and the test component is not required to be lifted for different test workpieces, so that the replacement is simple, convenient and quick; through setting up the flue gas treatment component, can discharge after the waste gas cooling after the internal combustion of stove, avoid the direct emission of high temperature waste gas to the air in, harm human health.

The aim of the utility model is realized by the following technical scheme:

fireproof door and rolling door fire resistance test furnace with waste gas treatment structure, comprising furnace body and door leaf fixing device;

the furnace body is of a cuboid structure with an opening on the front surface;

the door leaf fixing device comprises a square fixing frame, the size of the fixing frame is matched with the opening of the furnace body, a door opening for fixing the door leaf is formed in the fixing frame, universal wheels are arranged at the bottom of the fixing frame, and the fixing frame is detachably connected with the furnace body.

Further, the fixed frame is fixed with the furnace body through a door lock.

Further, the door leaf is fixed at the door opening through a bolt.

Further, a plurality of thermocouples and a plurality of burners are arranged in the furnace body, and the burners are communicated with a natural gas pipeline.

Further, the combustion-supporting assembly comprises a combustion-supporting fan and a combustion-supporting air pipeline, one end of the combustion-supporting air pipeline is communicated with air, the other end of the combustion-supporting air pipeline is communicated with a natural gas pipeline, and the combustion-supporting fan is connected with the combustion-supporting air pipeline.

Further, the furnace further comprises a flue gas treatment assembly, wherein the flue gas treatment assembly is used for cooling and purifying flue gas generated by the furnace body and then discharging the flue gas.

Further, the smoke treatment component comprises a smoke exhaust fan, a smoke collection box, a smoke exhaust fan cover, a sump cooling box and a smoke purification device;

the back and the bottom of the furnace body are respectively provided with a smoke exhaust hole, the smoke exhaust holes are respectively communicated with the air inlet of the smoke exhaust fan after passing through the sump cooling box and the smoke collecting box through air pipes, the smoke exhaust fan cover is arranged at the top of the furnace body, and the smoke exhaust fan cover is respectively communicated with the air inlet of the smoke exhaust fan after passing through the sump cooling box and the smoke collecting box through air pipes; and an air outlet of the smoke exhaust fan is communicated with the smoke purification device.

Further, the bottom of the sump cooling tank is communicated with the bottom of the flue gas purifying device through a water pipe;

the water pit cooling box is internally provided with a temperature sensor, the water inlet of the water pit cooling box is provided with a water inlet valve, and the outlet of the water pit cooling box is provided with a water discharge valve.

The beneficial effects of the utility model are as follows:

1) According to the utility model, the split type furnace body and the door leaf fixing device are arranged, when a test is carried out, the door leaf is fixed through the door leaf fixing device and then horizontally pushed to be connected with the furnace body, after the test is finished, the door lock is unscrewed after the temperature in the furnace body is reduced to the room temperature, the door leaf fixing device is pushed out, and the door leaf fixing device is easy, convenient and quick to replace for different test workpieces without lifting a test component.

2) By arranging the flue gas treatment assembly, the utility model can cool and discharge the waste gas after combustion in the furnace body, thereby avoiding the direct discharge of the high-temperature waste gas into the air and endangering the health of human bodies; dedusting and cooling high-temperature waste gas generated in the test process of the refractory test furnace in various modes; compared with the prior art, the combustion test device and the flue gas purification device provided by the utility model have the advantages of higher dust removal rate and lower cost.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a fire door and a rolling door fire resistance test furnace with an exhaust gas treatment structure in an embodiment of the utility model;

fig. 2 is a perspective view of a fire door and a rolling shutter door fire resistance test furnace having an exhaust gas treatment structure in an embodiment of the present utility model;

fig. 3 is a side view of a fire door and a rolling shutter door fire resistance test furnace having an exhaust gas treatment structure in an embodiment of the present utility model;

fig. 4 is a top view of a fire door and a rolling shutter door fire resistance test furnace having an exhaust gas treatment structure in an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4;

in the figure, 1, a furnace body; 2. a door leaf fixing device; 3. a fixed frame; 4. a door leaf; 5. a universal wheel; 6. a door lock; 7. a natural gas pipeline; 8. a combustion fan; 9. a combustion air duct; 10. a flue gas treatment assembly; 11. a smoke exhaust fan; 12. a flue gas collection box; 13. a smoke exhaust fan cover; 14. a sump cooling tank; 15. a flue gas purifying device; 16. a smoke vent; 17. a pressure transmitter; 18. a burner; 19. and a thermocouple.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

example 1:

as shown in fig. 1 to 5, a fire door and rolling door fire resistance test furnace with an exhaust gas treatment structure comprises a furnace body 1 and a door leaf fixing device 2;

the furnace body 1 is of a cuboid structure with an opening on the front surface;

as shown in fig. 1 and 2, the door leaf fixing device 2 comprises a square fixing frame 3, the size of the fixing frame 3 is matched with the opening of the furnace body 1, a door opening for fixing the door leaf 4 is formed in the fixing frame 3, universal wheels 5 are arranged at the bottom of the fixing frame 3, and the fixing frame 3 is detachably connected with the furnace body 1.

The fixed frame 3 is fixed with the furnace body 1 through a door lock 6.

The door leaf 4 is fixed at the door opening through a bolt.

A plurality of thermocouples 19 and a plurality of burners 18 are arranged in the furnace body 1, and the burners 18 are communicated with the natural gas pipeline 7.

As shown in fig. 4, the combustion-supporting device further comprises a combustion-supporting assembly, the combustion-supporting assembly comprises a combustion-supporting fan 8 and a combustion-supporting air pipeline 9, one end of the combustion-supporting air pipeline 9 is communicated with air, the other end of the combustion-supporting air pipeline is communicated with a natural gas pipeline 7, and the combustion-supporting fan 8 is connected with the combustion-supporting air pipeline 9.

Wherein the thermocouple 19 is: 1. a K-type nickel chromium-nickel silicon thermocouple 19; 2. wherein the ball valves on the combustion fan 8, the natural gas pipeline 7 and the combustion air pipeline 9 and the igniters in the burners 18 are controlled by an electric control cabinet, wherein the electric control cabinet is in the prior art, and the specific structure and principle of the electric control cabinet are not described herein. 3. The thermocouple 19 measures the temperature of the inner cavity of the furnace and transmits data, and an operator can control the temperature inside the test furnace by controlling the working quantity of the burner 18, so that the refractory performance of the refractory test piece at different temperatures is realized.

Working principle: the door locks 6 are arranged on two sides of the furnace body 1 and are used for fixing the door leaf fixing device 2, and the door leaf fixing device 2 is tightly locked with the furnace body 1. The operation steps are as follows: firstly, a test door is fixed in a door opening of a door leaf fixing device 2 through a bolt, the door leaf fixing device 2 is pushed to the front of a furnace body 1 through a universal wheel 5 at the bottom of a fixing frame 3, the door leaf fixing device 2 is firmly locked through a door lock 6, and meanwhile, a ball valve on a natural gas pipeline 7 and a combustion air pipeline 9 is opened, so that ignition can be started to perform a test.

According to the utility model, the split type furnace body 1 and the door leaf fixing device 2 are arranged, when in test, the door leaf 4 is horizontally pushed to be connected with the furnace body 1 after being fixed by the door leaf fixing device 2, after the test is finished, the door lock 6 is unscrewed after the temperature in the furnace body 1 is reduced to the room temperature, the door leaf fixing device 2 is pushed out, and the replacement of different test workpieces is simple, convenient and quick without lifting a test component.

Example 2:

the embodiment further comprises a flue gas treatment assembly 10 on the basis of embodiment 1, as shown in fig. 1-5, wherein the flue gas treatment assembly 10 is used for cooling and purifying flue gas generated by the furnace body 1 and then discharging the purified flue gas.

The flue gas treatment assembly 10 comprises a flue gas fan 11, a flue gas collecting box 12, a flue gas fan cover 13, a sump cooling box 14 and a flue gas purifying device 15;

as shown in fig. 2, 3 and 4, the back and the bottom of the furnace body 1 are respectively provided with a smoke exhaust hole 16, the smoke exhaust holes 16 are respectively communicated with the air inlet of the smoke exhaust fan 11 after passing through the sump cooling box 14 and the smoke collection box 12 through air pipes, the smoke exhaust fan cover 13 is arranged at the top of the furnace body 1, and the smoke exhaust fan cover 13 is respectively communicated with the air inlet of the smoke exhaust fan 11 after passing through the sump cooling box 14 and the smoke collection box 12 through air pipes; the air outlet of the smoke exhaust fan 11 is communicated with the smoke purifying device 15, and the air outlet along the purifying device is an air outlet.

The bottom of the sump cooling tank 14 is communicated with the bottom of the flue gas purifying device 15 through a water pipe;

a temperature sensor is arranged in the sump cooling tank 14, a water inlet valve is arranged at the water inlet of the sump cooling tank 14, and a water discharge valve is arranged at the outlet of the sump cooling tank 14.

Wherein, 1, still include vertical water pump, vertical water pump's inlet tube is connected with sump water-cooling tank, and the outlet pipe connects to the spray line of fume cleaning device 15, uses vertical water pump to draw the cooling water in the sump water-cooling tank for fume cleaning device 15 sprays, and spray water flows back to fume cleaning device 15 bottom, flows back into the sump water-cooling tank through the pipeline again. 2. The delay homogenization device is internally provided with the 50 ceramic filler, spray water of the spray pipeline of the flue gas purification device 15 is sprayed onto the 50 ceramic filler, the contact area between waste gas and the spray water is increased, the temperature of the spray water is also reduced in the spraying process, and meanwhile, dust removal and temperature reduction treatment are also carried out on the waste gas. 3. The furnace also comprises a pressure transmitter 17 arranged in the furnace body 1, natural gas is ignited to heat the inside of the furnace body 1, the pressure in the furnace body 1 begins to increase, and when the pressure in the furnace reaches a certain pressure, the pressure transmitter 17 controls the starting of the smoke exhaust fan 11.

Working principle: during the test, the combustion-supporting fan 8 is opened in the control of the electric cabinet, and the combustion-supporting fan 8 operates to provide the required air of burning for natural gas burning, controls the igniter in the nozzle 18 of both sides, ignites natural gas, heats furnace body 1 inside, and furnace body 1 internal pressure begins to increase, and when the furnace internal pressure reaches certain pressure, pressure transmitter 177 control smoke exhaust fan 11 starts.

The smoke exhaust fan 11 starts to work, high-temperature waste gas in the furnace body 1 is pumped out from a waste gas pipeline connected with the back smoke exhaust hole 16, the bottom smoke exhaust hole 16 and the smoke exhaust fan cover 13, is primarily cooled by the sump water cooling box and then is uniformly collected into the smoke collection box 12, and then is fed in from the air inlet of the smoke exhaust fan 11, and is discharged into the smoke purification device 15 from the air outlet.

The spraying pipeline of the flue gas purification device 15 sprays water to the 50 ceramic filler, the waste gas passes through the 50 ceramic filler in the flue gas purification device 15, the contact area between the waste gas and the spraying water is increased, the temperature of the spraying water is reduced in the spraying process, meanwhile, the waste gas is subjected to dust removal and cooling treatment, and the cooled waste gas is discharged to the air through the smoke exhaust hole 16 at the top of the flue gas purification device 15.

Because the flue gas purification device 15 bottom uses the pipeline intercommunication with sump water cooling tank bottom, spray water temperature should be guaranteed and be not higher than 65 ℃, places temperature detection sensor in the sump water cooling tank, and when the temperature exceeded the temperature limit of setting up, water intaking valve and the drain valve of sump water cooling tank were automatic simultaneously opened, discharged the cooling water in the original sump water cooling tank, reinjected new cooling water to realize controlling the temperature of whole circulation loop cooling water, guarantee the cooling effect of whole circulation loop to waste gas.

By arranging the flue gas treatment assembly, the utility model can cool and discharge the waste gas after combustion in the furnace body, thereby avoiding the direct discharge of the high-temperature waste gas into the air and endangering the health of human bodies; dedusting and cooling high-temperature waste gas generated in the test process of the refractory test furnace in various modes; compared with the prior art, the combustion test device and the flue gas purification device provided by the utility model have the advantages of higher dust removal rate and lower cost.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. Fireproof door with exhaust treatment structure and rolling slats door fire-resistant test stove, its characterized in that: comprises a furnace body and a door leaf fixing device;

the furnace body is of a cuboid structure with an opening on the front surface;

2. The fire door and roller shutter door fire resistance test furnace with the exhaust gas treatment structure according to claim 1, wherein: the fixed frame is fixed with the furnace body through a door lock.

3. The fire door and roller shutter fire resistance test furnace with the exhaust gas treatment structure according to claim 1 or 2, characterized in that: the door leaf is fixed at the door opening through a bolt.

4. A fire door and roller shutter door fire resistance test furnace having an exhaust gas treatment structure according to claim 3, wherein: the furnace body is internally provided with a plurality of thermocouples and a plurality of burners, and the burners are communicated with a natural gas pipeline.

5. The fire door and roller shutter door fire resistance test furnace with exhaust gas treatment structure according to claim 4, wherein: the combustion-supporting assembly comprises a combustion-supporting fan and a combustion-supporting air pipeline, one end of the combustion-supporting air pipeline is communicated with air, the other end of the combustion-supporting air pipeline is communicated with a natural gas pipeline, and the combustion-supporting fan is connected with the combustion-supporting air pipeline.

6. The fire door and roller shutter door fire resistance test furnace with the exhaust gas treatment structure according to claim 1, wherein: the furnace also comprises a flue gas treatment assembly, wherein the flue gas treatment assembly is used for cooling and purifying flue gas generated by the furnace body and then discharging the flue gas.

7. The fire door and roller shutter door fire resistance test furnace with exhaust gas treatment structure according to claim 6, wherein: the smoke treatment assembly comprises a smoke exhaust fan, a smoke collection box, a smoke exhaust fan cover, a sump cooling box and a smoke purification device;

8. The fire door and roller shutter door fire resistance test furnace with exhaust gas treatment structure according to claim 7, wherein: the bottom of the sump cooling box is communicated with the bottom of the flue gas purifying device through a water pipe;