CN210180666U - Fire prevention valve high temperature resistant detecting system - Google Patents
Fire prevention valve high temperature resistant detecting system Download PDFInfo
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- CN210180666U CN210180666U CN201921141440.3U CN201921141440U CN210180666U CN 210180666 U CN210180666 U CN 210180666U CN 201921141440 U CN201921141440 U CN 201921141440U CN 210180666 U CN210180666 U CN 210180666U
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- valve
- test tube
- fire damper
- combustion chamber
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Abstract
The utility model discloses a fire damper high temperature resistant detection system, including a combustion chamber, a test tube and an air exhauster, be equipped with a plurality of combustors on the combustion chamber, the fire damper that is surveyed is connected between combustion chamber and test tube, the combustor is the natural gas combustor, and this detection system still is equipped with preceding pressure sensor, back pressure sensor, preceding temperature sensor, back temperature sensor, flowmeter etc. of being connected with a control center signal, and through the data of sensor transmission, the control center carries out real-time adjustment to combustor etc. makes the system keep a invariable test temperature and pressure; to sum up, adopted the utility model discloses a fire prevention valve high temperature resistant detecting system has that the testing result is more accurate, and the operation is automatic and to advantages such as environmental pollution minimizing.
Description
Technical Field
The utility model relates to a detecting system especially relates to a detecting system who tests to fire control is with high temperature resistance ability of fire prevention valve belongs to detection machinery.
Background
The fire damper is an important part in the building fire safety link, and has an important function for escape of internal personnel when a building is in a fire. The high temperature resistance of the fire damper mainly refers to the technical index that the air leakage rate of the fire damper reaches the standard value within a certain time under the high temperature state when a fire disaster happens, and the performance directly determines the life safety of escape personnel. According to related national standards, sampling detection is required to be carried out on the high-temperature resistance of the fire damper leaving a factory. The existing fire damper high temperature resistance detection system mainly comprises a combustor (or a combustion chamber), an exhaust fan and an air pipe which connects the combustor and the exhaust fan together, the fire damper to be detected is arranged on the air pipe, and the air leakage quantity of the fire damper is measured by a flow meter arranged on one side of the fire damper, which faces to the exhaust fan. However, in the existing detection system, the burner is a diesel burner, an operator monitors the display temperature of the temperature sensor during testing, when the temperature is higher or lower, the nozzle of the burner is closed or opened by manual operation, the operation is very inconvenient, the fluctuation range of the tested smoke temperature is large, the detection result is inaccurate, meanwhile, the periphery of the detection system is seriously polluted by the waste gas generated after diesel burning, basically, after the detection system runs for a week, the wall of the detection chamber is completely blackened, the discharged waste gas seriously pollutes the air quality, and meanwhile, because the diesel is insufficiently burned, the waste heat of the detected tail gas is directly discharged, and the energy is greatly wasted.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims at providing a fire damper high temperature resistant detection system with convenient detection and accurate result.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a fire prevention valve high temperature resistant detecting system, includes a combustion chamber, a test tube and an air exhauster, be equipped with a plurality of combustor on the combustion chamber, the combustion chamber is connected with being surveyed the fire prevention valve through flange before the valve, the other end of being surveyed the fire prevention valve is connected with the test tube through flange behind the valve, the other end of test tube is connected with the air intake of air exhauster, be equipped with preceding temperature sensor in the flange before the valve, be equipped with back temperature sensor in the flange behind the valve, be equipped with the flowmeter in the test tube, to sum up, unanimous basically with current ordinary fire prevention valve high temperature resistant detecting system.
The technical proposal of the utility model is characterized in that the burner is a natural gas burner, and because the natural gas has high heat value, the residue after burning is little, and the pollution to the environment is little; be equipped with preceding pressure sensor in the flange before the valve, be equipped with back pressure sensor in the test tube, through preceding pressure sensor and back pressure sensor, can survey the pressure in combustion chamber and the test tube respectively.
A physical condenser is arranged at the joint of the valve rear flange and the test pipe, and is mainly used for cooling a small part of high-temperature flue gas leaked from the tested fire damper; the connection of test pipe and air exhauster is equipped with a pressure regulator, and pressure regulator's main effect is used for adjusting the negative pressure that the air exhauster operation back caused the test pipe, guarantees to be surveyed the fire prevention valve and is in under a invariable negative pressure value all the time. The pressure regulator comprises a cavity, one end of the cavity is communicated with the test tube, the other end of the cavity is provided with two air outlets, the air outlets are communicated with an air inlet of the exhaust fan through a Y-shaped tube, and an electric regulating valve is arranged between the two air outlets. The pressure in the test tube is adjusted by the opening and closing size of the valve plate of the electric adjusting valve.
Another innovation point of fire prevention valve high temperature resistant detecting system lie in the test tube link is kept away from to the combustion chamber is equipped with an regulation tuber pipe, the other end of adjusting the tuber pipe is linked together with an air intake of adjusting the fan. The adjusting fan is mainly used for adjusting the pressure in the combustion chamber, the adjusting fan adopts a variable frequency motor, and the constant pressure in the combustion chamber can be kept through the stepless adjustment of the rotating speed
For making fire prevention valve high temperature resistant detecting system can detect the fire prevention valve of multiple specification model, flange and valve rear flange have a plurality of models before the valve, the size of flange and valve rear flange before the valve and the size phase-match of being surveyed the fire prevention valve.
Fire prevention valve high temperature resistant detecting system, its another innovation point lies in combustor, preceding pressure sensor, back pressure sensor, preceding temperature sensor, flowmeter, back temperature sensor, regulation fan and electrical control valve respectively with a control center signal connection. The control center controls and adjusts the flame amount of the burner, the opening and closing size of the valve plate of the electric regulating valve and the rotating speed of the regulating fan in real time according to data read by the sensors, so that the detection is always carried out under a constant standard parameter.
To sum up, adopted the utility model discloses a fire prevention valve high temperature resistant detecting system has that the testing result is more accurate, and the operation is automatic and to advantages such as environmental pollution minimizing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a combustion chamber, 2-a test tube, 3-an exhaust fan, 4-a combustor, 5-a valve front flange, 6-a measured fire damper, 7-a valve rear flange, 8-a front pressure sensor, 9-a front temperature sensor, 10-a physical condenser, 11-a flowmeter, 12-a rear temperature sensor, 13-a pressure regulator, 14-a regulating air pipe, 15-a regulating fan, 16-a rear pressure sensor, 20-a cavity, 21-an air outlet and 22-an electric regulating valve.
Detailed Description
As shown in figure 1, the utility model discloses a fire prevention valve high temperature resistant detecting system.
Example (b): according to relevant test specifications, various parameter conditions during detection, such as detection temperature, pressure of a combustion chamber 1, pressure of a test tube 2 and the like, are set on a control center host computer;
connecting the fire damper 6 to be tested between the combustion chamber 1 and the test tube 2 through the front flange 5 and the rear flange 7 of each valve, and enabling the fire damper 6 to be tested to be in a closed state;
the combustor 4 is started to heat air in the combustion chamber 1, the exhaust fan 3 is started at the same time, the control center sends a control signal to the combustor 4 according to data transmitted by the front temperature sensor 9, the flame spraying amount of the combustor 4 is automatically adjusted in real time, the temperature of the side, facing the combustion chamber 1, of the measured fire damper 6 is kept constant at a preset standard value, and meanwhile, the rotating speed of the fan 15 is adjusted in real time according to data transmitted by the front pressure sensor 8, so that the combustion chamber 1 is always at a preset constant pressure; according to the data transmitted by the rear pressure sensor 16, the opening and closing size of the electric regulating valve 22 on the pressure regulator 13 is adjusted in real time, so that a preset constant pressure is always kept in the test tube 2.
And in the process from the beginning of the test to the end of the test, the control center records the data of the rear temperature sensor 12 and the flow meter 11 in real time to evaluate the high-temperature resistance of the tested fire damper 6.
Adopted the utility model discloses a fire prevention valve high temperature resistant detecting system, because adopt various sensors or instrument to detecting system's temperature, pressure carry out real-time supervision and real-time adjustment, make in the whole testing process by the test environment of survey fire prevention valve 6 keep under a invariable standard test condition, the test result is more accurate reliable, operating personnel only need operate on control center's computer, save the work of many on-the-spot adjusting device, both alleviateed intensity of labour, accidents such as high temperature scald that have stopped causing because of misoperation basically again.
Claims (5)
1. The high-temperature-resistant detection system for the fire damper comprises a combustion chamber (1), a test tube (2) and an exhaust fan (3), wherein a plurality of combustors (4) are arranged on the combustion chamber (1), the combustion chamber (1) is connected with a tested fire damper (6) through a valve front flange (5), the other end of the tested fire damper (6) is connected with the test tube (2) through a valve rear flange (7), the other end of the test tube (2) is connected with an air inlet of the exhaust fan (3), a front temperature sensor (9) is arranged in the valve front flange (5), a rear temperature sensor (12) is arranged in the valve rear flange (7), a flowmeter (11) is arranged in the test tube (2), and the high-temperature-resistant detection system is characterized in that the combustors (4) are natural gas combustors; the junction of valve rear flange (7) and test tube (2) is equipped with a physics condenser (10), the junction of test tube (2) and air exhauster (3) is equipped with a pressure regulator (13), be equipped with preceding pressure sensor (8) in preceding flange of valve (5), be equipped with back pressure sensor (16) in test tube (2).
2. The fire damper high temperature resistance detection system according to claim 1, wherein an adjusting air pipe (14) is arranged at a connection end of the combustion chamber (1) far away from the test pipe (2), and the other end of the adjusting air pipe (14) is communicated with an air inlet of an adjusting fan (15).
3. The fire damper high-temperature-resistant detection system according to claim 1, wherein the pressure regulator (13) comprises a cavity (20), one end of the cavity (20) is communicated with the test tube (2), the other end of the cavity is provided with two air outlets (21), the air outlets (21) are communicated with an air inlet of the exhaust fan (3) through a Y-shaped tube, and an electric control valve (22) is arranged between the two air outlets (21).
4. The fire damper high temperature resistance detection system according to claim 1, characterized in that the valve front flange (5) and the valve rear flange (7) have a plurality of models, and the size of the valve front flange (5) and the valve rear flange (7) matches the size of the fire damper (6) to be tested.
5. The fire damper high temperature resistant detection system according to claim 1, 2 or 3, characterized in that the burner (4), the front pressure sensor (8), the rear pressure sensor (16), the front temperature sensor (9), the flow meter (11), the rear temperature sensor (12), the adjusting fan (15) and the electric adjusting valve (22) are respectively in signal connection with a control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141440.3U CN210180666U (en) | 2019-07-19 | 2019-07-19 | Fire prevention valve high temperature resistant detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141440.3U CN210180666U (en) | 2019-07-19 | 2019-07-19 | Fire prevention valve high temperature resistant detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN210180666U true CN210180666U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921141440.3U Active CN210180666U (en) | 2019-07-19 | 2019-07-19 | Fire prevention valve high temperature resistant detecting system |
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| CN (1) | CN210180666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367784A (en) * | 2023-12-08 | 2024-01-09 | 湖南大用环保科技有限公司 | Multi-item valve performance comprehensive test system |
-
2019
- 2019-07-19 CN CN201921141440.3U patent/CN210180666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367784A (en) * | 2023-12-08 | 2024-01-09 | 湖南大用环保科技有限公司 | Multi-item valve performance comprehensive test system |
| CN117367784B (en) * | 2023-12-08 | 2024-03-01 | 湖南大用环保科技有限公司 | Multi-item valve performance comprehensive test system |
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