CN211825888U - Fire resistance test system for pipeline connecting piece - Google Patents
Fire resistance test system for pipeline connecting piece Download PDFInfo
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- CN211825888U CN211825888U CN201922141668.9U CN201922141668U CN211825888U CN 211825888 U CN211825888 U CN 211825888U CN 201922141668 U CN201922141668 U CN 201922141668U CN 211825888 U CN211825888 U CN 211825888U
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Abstract
The utility model discloses a fire-resistant test system for a pipeline connecting piece, which comprises a pipeline connecting piece (10) as a test piece; the water inlet at the right end of the pipeline connecting piece is communicated with one end of the water inlet pipeline (101); the other end of the water inlet pipeline is communicated with the water outlet of the circulating water pump (7); a water outlet at the left end of the pipeline connecting piece is communicated with one end of a water outlet pipeline (102); the other end of the water outlet pipeline is communicated with a water inlet of the circulating water pump; a second temperature sensor (2) is arranged on the water inlet pipeline (101); a first temperature sensor (1) is arranged on the water outlet pipeline; a water pressure gauge (3) is arranged on a water inlet pipeline connected with the water outlet of the circulating water pump; a plurality of carbon arc lamps (5) are arranged beside the pipeline connecting piece at intervals. The utility model discloses a carbon arc lamp heats the pipeline connecting piece is whole, can truly simulate the hull and catch fire the time pipeline connecting piece bear the state to examine pipeline connecting piece's reliability and stability.
Description
Technical Field
The utility model relates to a fire-resistant test technical field of boats and ships trade especially relates to a fire-resistant test system for tube coupling spare.
Background
The fire resistance test of the ship hull pipeline connecting piece is used for simulating the safety of the ship hull pipeline connecting piece under the fire condition, the improvement of the product is carried out through examination, and the reliability and the stability of the product during the use are ensured.
When the fire resistance test system of the ship body pipeline connecting piece is designed, the fire resistance test system needs to meet the requirements of GB/T22218-2008 'test method for fire resistance of metal pipeline accessories with elastic sealing elements in ship and offshore technology' and GB/T22219-2008 'test stand for fire resistance of metal pipeline accessories with elastic sealing elements in ship and offshore technology'.
For the existing fire-resistant test scheme of the ship pipeline connecting piece, the ship fire is simulated by using real fire, and whether the structure of products such as the pipeline connecting piece fails and leakage is generated or not in a real scene is checked. The existing fire resistance test of ship pipeline connecting pieces is a fire resistance test using propane as fuel. However, for large-sized pipeline connectors, flames are difficult to completely cover, the accuracy of the test cannot be effectively guaranteed, and the actual effect is poor.
In addition, the temperature during the test cannot be controlled, and the flame temperature is 800 degrees, but the actual temperature of the test specimen does not necessarily reach 800 degrees. The effect of the heating mode of the existing fire resistance test is mainly fire, and the product structure is mainly examined. Among them, the safety and controllability of the flame during the test are not well grasped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire resistance test system for tube coupling spare to the technical defect that prior art exists.
Therefore, the utility model provides a fire-resistant test system for pipeline connecting piece, which comprises a pipeline connecting piece as a test piece;
the water inlet at the right end of the pipeline connecting piece is communicated with one end of a water inlet pipeline;
the other end of the water inlet pipeline is communicated with a water outlet of the circulating water pump;
the water outlet at the left end of the pipeline connecting piece is communicated with one end of a water outlet pipeline;
the other end of the water outlet pipeline is communicated with a water inlet of the circulating water pump;
the water inlet pipeline is provided with a second temperature sensor for measuring the water temperature in the water inlet pipeline in real time;
the water outlet pipeline is provided with a first temperature sensor for measuring the water temperature in the water outlet pipeline in real time;
a water pressure gauge is arranged on a water inlet pipeline connected with the water outlet of the circulating water pump and used for measuring the water pressure in the water inlet pipeline;
and a plurality of carbon arc lamps are arranged beside the pipeline connecting piece at intervals and used for heating the pipeline connecting piece.
Wherein, a carbon arc lamp is respectively and symmetrically arranged at the front side and the rear side of the pipeline connecting piece.
Wherein, a plurality of carbon arc lamps are arranged around the pipeline connecting piece in an annular interval.
Wherein, the spacing distance between the pipeline connecting piece and any one carbon arc lamp is equal to mm.
Wherein, the pipeline connecting piece is fixed at the top of the tool rack which is horizontally distributed.
The water outlet of the circulating water pump is communicated with the other end of the water inlet pipeline through a water tank for storing water in advance;
a heating device is installed in the water tank.
Wherein, at the preset distance position from the pipeline connecting piece, a high temperature sensor is installed for measuring the temperature of the installed position.
The high-temperature sensor is connected with a signal input end of the temperature controller through a signal wire;
the first temperature sensor and the second temperature sensor are respectively connected with the signal input end of the temperature controller through signal lines.
By above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a fire resistance test system for tube coupling spare, its structural design science adopts the carbon arc lamp to wholly heat tube coupling spare, can simulate the ship body really and catch fire the time bearing state of tube coupling spare to examine tube coupling spare's reliability and stability, have the production practice meaning of great importance.
Drawings
Fig. 1 is a schematic structural diagram of a fire resistance testing system for a pipeline connector according to the present invention;
in the figure, 1 is a first temperature sensor, 2 is a second temperature sensor, 3 is a water pressure gauge, 4 is a high temperature sensor, and 5 is a carbon arc lamp;
6 is a tooling rack, 7 is a circulating water pump, 8 is a temperature controller, and 9 is a distribution box;
101 is a water inlet pipeline, and 102 is a water outlet pipeline.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the utility model provides a fire-resistant test system for pipeline connecting piece, which comprises a pipeline connecting piece 10 as a test piece;
a water inlet at the right end of the pipeline connector 10 is communicated with one end (the left end as shown in fig. 1) of an inlet pipeline 101;
the other end (the right end shown in fig. 1) of the water inlet pipeline 101 is communicated with a water outlet of the circulating water pump 7;
the water outlet at the left end of the pipeline connecting piece 10 is communicated with one end of a water outlet pipeline 102;
the other end of the water outlet pipeline 102 is communicated with a water inlet of the circulating water pump 7;
the water inlet pipeline 101 is provided with a second temperature sensor 2 for measuring the water temperature in the water inlet pipeline 101 in real time;
a first temperature sensor 1 is arranged on the water outlet pipeline 102 and used for measuring the water temperature in the water pipeline 102 in real time;
a water pressure gauge 3 is arranged on the water inlet pipeline 101 connected with the water outlet of the circulating water pump 7 and used for measuring the water pressure in the water inlet pipeline 101, namely the water pressure of the water inlet at the right end of the pipeline connecting piece 10;
a plurality of carbon arc lamps 5 are installed beside the pipeline connector 10 at intervals and used for heating the pipeline connector 10.
The utility model discloses in, on specifically realizing, a carbon arc lamp 5 is installed to both sides around the pipe connection spare 10, the symmetry respectively.
The utility model discloses in, on specifically realizing, pipeline connecting piece 10 is around, be annular interval (equidistant) and has arranged a plurality of carbon arc lamps 5.
The utility model discloses in, in the concrete realization, pipeline connecting piece 10, and the spacing distance between arbitrary one carbon arc lamp 5, preferably equal to 15 mm.
The utility model discloses in, on specifically realizing, pipeline connecting piece 10 is fixed at the 6 tops of frock rack of horizontal distribution.
In the present invention, in the concrete implementation, the water outlet of the circulating water pump 7 is communicated with the other end of the water inlet pipe 101 through a water tank for storing water in advance;
a heating device (such as a heating resistance wire which is used for heating the water stored in the water tank) is arranged in the water tank. Among them, the heating device is a conventional art known in the art, and is not described herein.
It should be noted that the water tank and the circulating water pump 7 form a circulating water pump heating system, which can heat the water in the circulating pipeline, so that the water temperature meets the target requirement.
It should be noted that the circulating water pump 7 and the water tank may constitute a circulating water pump system: the water pump adopts centrifugal pump (power more than 3 KW), and heating system (heating device) can use heater strip (3KW a set ofly, selects 2 ~ 4 groups according to the condition) and temperature sensor to constitute, connects temperature controller 8 and heats control.
The utility model discloses in, on specifically realizing, carbon arc lamp 5 is connected with switch board 9 through the electric wire.
The utility model discloses in, on specifically realizing, at the position apart from pipeline connecting piece 10 default distance (15mm), install high temperature sensor 4 for measure mounted position's temperature.
In particular, the high-temperature sensor 4 is connected with a signal input end of a temperature controller 8 through a signal wire;
the first temperature sensor 1 and the second temperature sensor 2 are respectively connected with a signal input end of a temperature controller 8 through signal lines.
In the concrete implementation, the signal output end of the temperature controller 8 is connected with the control end of the power distribution cabinet 9.
In particular, the temperature controller 8 is preferably a PID temperature controller. It should be noted that the temperature controller 8 is used for acquiring and displaying temperature data information of the first temperature sensor 1 and the second temperature sensor 2, and acquiring temperature data information sent by the high temperature sensor 4, and when a temperature value sent by the high temperature sensor 4 is lower than a preset target temperature value, sending a control signal to the distribution box 9, so that the distribution box 9 continues to output electric energy to the carbon arc lamp 5, and continues to heat the pipeline connecting piece 10 until the temperature value sent by the high temperature sensor 4 is equal to the preset target temperature value.
In the present invention, in particular, the temperature controller 8 may be a temperature controller known in the art, for example, a siemens RWD68 general single-loop temperature controller may be used.
In the concrete realization, block terminal 9 is current block terminal, and equipment in the block terminal includes: the system comprises an alternating current circuit breaker (schneider) and a three-phase KTY399 constant-voltage constant-current constant-power closed-loop thyristor voltage regulator (Beijing Jiakai Zhongxing automation technology, Inc.), wherein the alternating current circuit breaker is connected with the constant-voltage constant-current constant-power closed-loop thyristor voltage regulator, and a distribution box is connected with an external power supply (such as an alternating current power supply).
In the present invention, the function of the temperature controller 8 may include: firstly, PID control is carried out on the water temperature heating in the circulating water tank 7, so that the temperature in the circulating water tank is controlled within a target range; secondly, the voltage of the carbon arc lamp 5 in the distribution box 9 is regulated through the temperature feedback of the high-temperature sensor 4, the output power is changed, and PID control is carried out to control the temperature of the temperature sensor 4 within a target range;
the utility model discloses in, block terminal 9's effect can include: firstly, supply power for carbon arc lamp 5, accessible temperature controller 8's regulation reaches the effect that realizes the change of carbon arc lamp 5 output.
The utility model discloses in, the circulating water pump system effect that circulating water pump 7 and water tank are constituteed does: the pressure required by the test piece is provided for the pipeline, and the temperature can be heated to enable the temperature of the circulating water to reach the target temperature.
It should be noted that the utility model discloses a fire resistance test system for boats and ships trade, the security of pressure pipeline connecting piece under the condition of catching fire of purpose simulation hull. The major demand industry at present is the marine industry. The system has the advantages of simple structure, convenient operation, low investment cost, strong function integration and the like, and can be widely applied to the fire resistance test of the pipe connector in the ship industry.
To the utility model discloses, adopt the carbon arc lamp to heat the pipeline connecting piece. The carbon arc lamp is arranged around the pipeline connecting piece in an annular shape, the spacing distance between the carbon arc lamp and the pipeline connecting piece is adjusted to be 15mm (according to the standard ISO19921:2005), and the carbon arc lamp can be heated to 800 ℃ and then subjected to a fire resistance test. The diameter of the ring can be adjusted according to the size of the test piece. The technical scheme of the utility model, can carry out accurate control to the temperature, the security is good, can wholly heat the pipe connection spare as the test piece, the bearing state of test piece when more true simulation hull catches fire.
It should be noted that the utility model relates to an one set of fire resistance test system reforms transform on current equipment basis, designs frock, design fire resistance system to can be through control software (like PLC etc.), realize the PID cyclic control to experimental temperature, water pressure etc.. Wherein, the utility model can adjust the change of the output heat of the carbon arc lamp by controlling the output power of the distribution box; the utility model can further provide circulating water with rated pressure and PID water temperature heating for pipeline connecting pieces with different sizes; and simultaneously, the utility model discloses can further carry out monitor control, gather the experimental parameter that needs to relevant parameter through establishment experimental control and collection procedure.
In order to understand the technical solution of the present invention more clearly, the essential characteristics and advantages of the present invention will be further explained below with reference to the fire resistance test of a certain pipe connection, but the present invention is not limited to the listed embodiments. The specific test process is as follows:
firstly, the assembling process of the test system. The method comprises the following specific steps:
1. fixing a pipeline connecting piece 10 serving as a test piece on a tool rack 6, and respectively installing a second temperature sensor 2 and a first temperature sensor 1 on a water inlet pipeline 101 and a water outlet pipeline 102 which are connected with interfaces at two ends of the pipeline connecting piece 10;
2. a water pressure gauge 3 is arranged at the water inlet of the circulating water pump 7 and used for monitoring the water pressure of the water inlet of the pipeline connecting piece 10;
3. fixing the carbon arc lamps 5 on a tool rack 6, uniformly distributing the carbon arc lamps in an annular arrangement, and connecting the carbon arc lamps 5 with a power distribution cabinet 9 through electric wires;
4. a high-temperature sensor 4 is arranged at a position 15mm away from a pipeline connecting piece 10 serving as a test piece, and the high-temperature sensor 4 is connected with a signal input end of a temperature controller 8;
5. and the output signal end of the temperature controller 8 is connected with the control end of the power distribution cabinet 9.
And II, assembling the test system. The method comprises the following specific steps:
1. heating water in the water tank by using a heating device, wherein the water temperature meets the target requirement;
2. starting a circulating water pump 7, adjusting the circulating water pump, and enabling the pressure to reach the target requirement;
3. switch board 9 circular telegram uses temperature controller 8 to carry out temperature setting, sets up to the target value, opens temperature detect switch, makes high temperature sensor 4's temperature reach the target value, monitors first temperature sensor 1 and second temperature sensor 2 simultaneously, reaches the target requirement.
According to the technical scheme provided by the utility model, it can know, right the utility model provides a fire resistance test system can satisfy fire resistance test's relevant demand, and structural design science, the cost is lower, and the security is high. The utility model discloses a can be applied to similar fire resistance test or have the high temperature pipeline test system of other demands, have better commonality and practicality.
To sum up, compare with prior art, the utility model provides a pair of a fire resistance test system for tube coupling spare, its structural design science adopts the carbon arc lamp to heat the tube coupling spare is whole, can simulate the ship body really and catch fire the state of bearing of tube coupling spare to examine tube coupling spare's reliability and stability, have the significance of great production practice.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A fire resistance test system for a pipe connection, characterized by comprising a pipe connection (10) as a test piece;
the water inlet at the right end of the pipeline connecting piece (10) is communicated with one end of a water inlet pipeline (101);
the other end of the water inlet pipeline (101) is communicated with a water outlet of the circulating water pump (7);
the water outlet at the left end of the pipeline connecting piece (10) is communicated with one end of a water outlet pipeline (102);
the other end of the water outlet pipeline (102) is communicated with a water inlet of the circulating water pump (7);
the water inlet pipeline (101) is provided with a second temperature sensor (2) for measuring the water temperature in the water inlet pipeline (101) in real time;
the water outlet pipeline (102) is provided with a first temperature sensor (1) for measuring the water temperature in the water outlet pipeline (102) in real time;
a water pressure gauge (3) is arranged on a water inlet pipeline (101) connected with a water outlet of the circulating water pump (7) and used for measuring the water pressure in the water inlet pipeline (101);
a plurality of carbon arc lamps (5) are arranged beside the pipeline connecting piece (10) at intervals and used for heating the pipeline connecting piece (10).
2. The fire resistance testing system according to claim 1, wherein a carbon arc lamp (5) is symmetrically installed at each of the front and rear sides of the pipe connection member (10).
3. The fire resistance testing system according to claim 1, wherein a plurality of carbon arc lamps (5) are arranged around the pipe connection member (10) in an annular space.
4. The fire resistance testing system of claim 1, wherein the conduit connector (10) is spaced from any one of the carbon arc lamps (5) by a distance equal to 15 mm.
5. The fire resistance testing system according to claim 1, wherein the pipe connection (10) is fixed on top of a horizontally distributed tooling rack (6).
6. The fire resistance test system according to any one of claims 1 to 5, wherein a water outlet of the circulating water pump (7) is communicated with the other end of the water inlet pipe (101) through a water tank in which water is stored in advance;
a heating device is installed in the water tank.
7. The fire resistance testing system according to any one of claims 1 to 5, wherein a high temperature sensor (4) is installed at a predetermined distance from the pipeline connecting member (10) for measuring the temperature of the installed location.
8. The fire resistance testing system according to claim 7, wherein the high temperature sensor (4) is connected to a signal input terminal of the temperature controller (8) through a signal line;
the first temperature sensor (1) and the second temperature sensor (2) are respectively connected with the signal input end of the temperature controller (8) through signal lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141668.9U CN211825888U (en) | 2019-12-03 | 2019-12-03 | Fire resistance test system for pipeline connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141668.9U CN211825888U (en) | 2019-12-03 | 2019-12-03 | Fire resistance test system for pipeline connecting piece |
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| Publication Number | Publication Date |
|---|---|
| CN211825888U true CN211825888U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922141668.9U Active CN211825888U (en) | 2019-12-03 | 2019-12-03 | Fire resistance test system for pipeline connecting piece |
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| Country | Link |
|---|---|
| CN (1) | CN211825888U (en) |
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- 2019-12-03 CN CN201922141668.9U patent/CN211825888U/en active Active
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